return (ServerEnvironment*)lua_touserdata(L, -1);
}
-static v3f readFloatPos(lua_State *L, int index)
+static v3f read_v3f(lua_State *L, int index)
{
v3f pos;
luaL_checktype(L, index, LUA_TTABLE);
lua_getfield(L, index, "z");
pos.Z = lua_tonumber(L, -1);
lua_pop(L, 1);
- pos *= BS; // Scale to internal format
+ return pos;
+}
+
+static v3f check_v3f(lua_State *L, int index)
+{
+ v3f pos;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ pos.X = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ pos.Y = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "z");
+ pos.Z = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
return pos;
}
push_v3f(L, p);
}
-static void pushpos(lua_State *L, v3s16 p)
+static v3f checkFloatPos(lua_State *L, int index)
+{
+ return check_v3f(L, index) * BS;
+}
+
+static void push_v3s16(lua_State *L, v3s16 p)
{
lua_newtable(L);
lua_pushnumber(L, p.X);
lua_setfield(L, -2, "z");
}
-static v3s16 readpos(lua_State *L, int index)
+static v3s16 read_v3s16(lua_State *L, int index)
+{
+ // Correct rounding at <0
+ v3f pf = read_v3f(L, index);
+ return floatToInt(pf, 1.0);
+}
+
+static v3s16 check_v3s16(lua_State *L, int index)
{
// Correct rounding at <0
- v3f pf = readFloatPos(L, index);
- return floatToInt(pf, BS);
+ v3f pf = check_v3f(L, index);
+ return floatToInt(pf, 1.0);
}
static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
return got;
}
+static std::string checkstringfield(lua_State *L, int table,
+ const char *fieldname)
+{
+ lua_getfield(L, table, fieldname);
+ std::string s = luaL_checkstring(L, -1);
+ lua_pop(L, 1);
+ return s;
+}
+
static std::string getstringfield_default(lua_State *L, int table,
const char *fieldname, const std::string &default_)
{
};
/*
- Global functions
+ Getters for stuff in main tables
*/
-static int l_register_nodedef_defaults(lua_State *L)
+static void objectref_get(lua_State *L, u16 id)
{
- luaL_checktype(L, 1, LUA_TTABLE);
-
- lua_pushvalue(L, 1); // Explicitly put parameter 1 on top of stack
- lua_setfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
-
- return 0;
+ // Get minetest.object_refs[i]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "object_refs");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushnumber(L, id);
+ lua_gettable(L, -2);
+ lua_remove(L, -2); // object_refs
+ lua_remove(L, -2); // minetest
}
-// Register new object prototype
-// register_entity(name, prototype)
-static int l_register_entity(lua_State *L)
+static void luaentity_get(lua_State *L, u16 id)
{
- std::string name = luaL_checkstring(L, 1);
- check_modname_prefix(L, name);
- //infostream<<"register_entity: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
-
- // Get minetest.registered_entities
+ // Get minetest.luaentities[i]
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_entities");
+ lua_getfield(L, -1, "luaentities");
luaL_checktype(L, -1, LUA_TTABLE);
- int registered_entities = lua_gettop(L);
- lua_pushvalue(L, 2); // Object = param 2 -> stack top
- // registered_entities[name] = object
- lua_setfield(L, registered_entities, name.c_str());
-
- // Get registered object to top of stack
- lua_pushvalue(L, 2);
-
- // Set __index to point to itself
- lua_pushvalue(L, -1);
- lua_setfield(L, -2, "__index");
+ lua_pushnumber(L, id);
+ lua_gettable(L, -2);
+ lua_remove(L, -2); // luaentities
+ lua_remove(L, -2); // minetest
+}
- // Set metatable.__index = metatable
- luaL_getmetatable(L, "minetest.entity");
- lua_pushvalue(L, -1); // duplicate metatable
- lua_setfield(L, -2, "__index");
- // Set object metatable
- lua_setmetatable(L, -2);
+/*
+ Object wrappers
+*/
- return 0; /* number of results */
-}
+#define method(class, name) {#name, class::l_##name}
-class LuaABM : public ActiveBlockModifier
+/*
+ ItemStack
+*/
+
+class ItemStack
{
private:
- lua_State *m_lua;
- int m_id;
+ InventoryItem *m_stack;
- std::set<std::string> m_trigger_contents;
- std::set<std::string> m_required_neighbors;
- float m_trigger_interval;
- u32 m_trigger_chance;
-public:
- LuaABM(lua_State *L, int id,
- const std::set<std::string> &trigger_contents,
- const std::set<std::string> &required_neighbors,
- float trigger_interval, u32 trigger_chance):
- m_lua(L),
- m_id(id),
- m_trigger_contents(trigger_contents),
- m_required_neighbors(required_neighbors),
- m_trigger_interval(trigger_interval),
- m_trigger_chance(trigger_chance)
+ static const char className[];
+ static const luaL_reg methods[];
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L) {
+ ItemStack *o = *(ItemStack **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+ // take_item(self)
+ static int l_take_item(lua_State *L)
{
+ ItemStack *o = checkobject(L, 1);
+ push_stack_item(L, o->m_stack);
+ if(o->m_stack->getCount() <= 1){
+ delete o->m_stack;
+ o->m_stack = NULL;
+ } else {
+ o->m_stack->remove(1);
+ }
+ return 1;
}
- virtual std::set<std::string> getTriggerContents()
+
+ // put_item(self, item) -> true/false
+ static int l_put_item(lua_State *L)
{
- return m_trigger_contents;
+ ItemStack *o = checkobject(L, 1);
+ InventoryItem *item = check_stack_item(L, 2);
+ if(!item){ // nil can always be inserted
+ lua_pushboolean(L, true);
+ return 1;
+ }
+ if(!item->addableTo(o->m_stack)){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ o->m_stack->add(1);
+ delete item;
+ lua_pushboolean(L, true);
+ return 1;
}
- virtual std::set<std::string> getRequiredNeighbors()
+
+public:
+ ItemStack(InventoryItem *item=NULL):
+ m_stack(item)
{
- return m_required_neighbors;
}
- virtual float getTriggerInterval()
+
+ ~ItemStack()
{
- return m_trigger_interval;
+ delete m_stack;
}
- virtual u32 getTriggerChance()
+
+ static ItemStack* checkobject(lua_State *L, int narg)
{
- return m_trigger_chance;
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(ItemStack**)ud; // unbox pointer
}
- virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
- u32 active_object_count, u32 active_object_count_wider)
+
+ InventoryItem* getItemCopy()
{
- lua_State *L = m_lua;
+ if(!m_stack)
+ return NULL;
+ return m_stack->clone();
+ }
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
+ // Creates an ItemStack and leaves it on top of stack
+ static int create_object(lua_State *L)
+ {
+ InventoryItem *item = NULL;
+ if(lua_isstring(L, 1)){
+ std::string itemstring = lua_tostring(L, 1);
+ if(itemstring != ""){
+ try{
+ IGameDef *gdef = get_server(L);
+ item = InventoryItem::deSerialize(itemstring, gdef);
+ }catch(SerializationError &e){
+ }
+ }
+ }
+ ItemStack *o = new ItemStack(item);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+ // Not callable from Lua
+ static int create(lua_State *L, InventoryItem *item)
+ {
+ ItemStack *o = new ItemStack(item);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+ }
- // Get minetest.registered_abms
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_abms");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_abms = lua_gettop(L);
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
- // Get minetest.registered_abms[m_id]
- lua_pushnumber(L, m_id);
- lua_gettable(L, registered_abms);
- if(lua_isnil(L, -1))
- assert(0);
-
- // Call action
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, "action");
- luaL_checktype(L, -1, LUA_TFUNCTION);
- pushpos(L, p);
- pushnode(L, n, env->getGameDef()->ndef());
- lua_pushnumber(L, active_object_count);
- lua_pushnumber(L, active_object_count_wider);
- if(lua_pcall(L, 4, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
-};
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-// register_abm({...})
-static int l_register_abm(lua_State *L)
-{
- //infostream<<"register_abm"<<std::endl;
- luaL_checktype(L, 1, LUA_TTABLE);
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
- // Get minetest.registered_abms
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_abms");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_abms = lua_gettop(L);
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
- int id = 1;
- // Find free id
- for(;;){
- lua_pushnumber(L, id);
- lua_gettable(L, registered_abms);
- if(lua_isnil(L, -1))
- break;
- lua_pop(L, 1);
- id++;
- }
- lua_pop(L, 1);
+ lua_pop(L, 1); // drop metatable
- infostream<<"register_abm: id="<<id<<std::endl;
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
- // registered_abms[id] = spec
- lua_pushnumber(L, id);
- lua_pushvalue(L, 1);
- lua_settable(L, registered_abms);
-
- return 0; /* number of results */
-}
+ // Can be created from Lua (ItemStack::create(itemstring))
+ lua_register(L, className, create_object);
+ }
+};
+const char ItemStack::className[] = "ItemStack";
+const luaL_reg ItemStack::methods[] = {
+ method(ItemStack, take_item),
+ method(ItemStack, put_item),
+ {0,0}
+};
-// register_tool(name, {lots of stuff})
-static int l_register_tool(lua_State *L)
+/*
+ InvRef
+*/
+
+class InvRef
{
- std::string name = luaL_checkstring(L, 1);
- check_modname_prefix(L, name);
- //infostream<<"register_tool: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
- int table = 2;
+private:
+ InventoryLocation m_loc;
- // Get the writable tool definition manager from the server
- IWritableToolDefManager *tooldef =
- get_server(L)->getWritableToolDefManager();
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static InvRef *checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(InvRef**)ud; // unbox pointer
+ }
- ToolDefinition def = read_tool_definition(L, table);
+ static Inventory* getinv(lua_State *L, InvRef *ref)
+ {
+ return get_server(L)->getInventory(ref->m_loc);
+ }
- tooldef->registerTool(name, def);
- return 0; /* number of results */
-}
+ static InventoryList* getlist(lua_State *L, InvRef *ref,
+ const char *listname)
+ {
+ Inventory *inv = getinv(L, ref);
+ if(!inv)
+ return NULL;
+ return inv->getList(listname);
+ }
-// register_craftitem(name, {lots of stuff})
-static int l_register_craftitem(lua_State *L)
-{
- std::string name = luaL_checkstring(L, 1);
- check_modname_prefix(L, name);
- //infostream<<"register_craftitem: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
- int table = 2;
+ static InventoryItem* getitem(lua_State *L, InvRef *ref,
+ const char *listname, int i)
+ {
+ InventoryList *list = getlist(L, ref, listname);
+ if(!list)
+ return NULL;
+ return list->getItem(i);
+ }
- // Get the writable CraftItem definition manager from the server
- IWritableCraftItemDefManager *craftitemdef =
- get_server(L)->getWritableCraftItemDefManager();
+ static void reportInventoryChange(lua_State *L, InvRef *ref)
+ {
+ // Inform other things that the inventory has changed
+ get_server(L)->setInventoryModified(ref->m_loc);
+ }
- // Check if on_drop is defined
- lua_getfield(L, table, "on_drop");
- bool got_on_drop = !lua_isnil(L, -1);
- lua_pop(L, 1);
-
- // Check if on_use is defined
- lua_getfield(L, table, "on_use");
- bool got_on_use = !lua_isnil(L, -1);
- lua_pop(L, 1);
-
- CraftItemDefinition def;
+ // Exported functions
- getstringfield(L, table, "image", def.imagename);
- getstringfield(L, table, "cookresult_itemstring", def.cookresult_item);
- getfloatfield(L, table, "furnace_cooktime", def.furnace_cooktime);
- getfloatfield(L, table, "furnace_burntime", def.furnace_burntime);
- def.usable = getboolfield_default(L, table, "usable", got_on_use);
- getboolfield(L, table, "liquids_pointable", def.liquids_pointable);
- def.dropcount = getintfield_default(L, table, "dropcount", def.dropcount);
- def.stack_max = getintfield_default(L, table, "stack_max", def.stack_max);
+ // garbage collector
+ static int gc_object(lua_State *L) {
+ InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
- // If an on_drop callback is defined, force dropcount to 1
- if (got_on_drop)
- def.dropcount = 1;
+ // get_size(self, listname)
+ static int l_get_size(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushinteger(L, list->getSize());
+ } else {
+ lua_pushinteger(L, 0);
+ }
+ return 1;
+ }
- // Register it
- craftitemdef->registerCraftItem(name, def);
+ // set_size(self, listname, size)
+ static int l_set_size(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int newsize = luaL_checknumber(L, 3);
+ Inventory *inv = getinv(L, ref);
+ if(newsize == 0){
+ inv->deleteList(listname);
+ return 0;
+ }
+ InventoryList *list = inv->getList(listname);
+ if(list){
+ list->setSize(newsize);
+ } else {
+ list = inv->addList(listname, newsize);
+ }
+ return 0;
+ }
- lua_pushvalue(L, table);
- scriptapi_add_craftitem(L, name.c_str());
+ // get_stack(self, listname, i)
+ static int l_get_stack(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3);
+ InventoryItem *item = getitem(L, ref, listname, i);
+ if(!item){
+ ItemStack::create(L, NULL);
+ return 1;
+ }
+ ItemStack::create(L, item->clone());
+ return 1;
+ }
- return 0; /* number of results */
-}
+ // set_stack(self, listname, i, stack)
+ static int l_set_stack(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3);
+ ItemStack *stack = ItemStack::checkobject(L, 4);
+ InventoryList *list = getlist(L, ref, listname);
+ if(!list){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ InventoryItem *newitem = stack->getItemCopy();
+ InventoryItem *olditem = list->changeItem(i, newitem);
+ bool success = (olditem != newitem);
+ delete olditem;
+ lua_pushboolean(L, success);
+ return 1;
+ }
-// register_node(name, {lots of stuff})
-static int l_register_node(lua_State *L)
-{
- std::string name = luaL_checkstring(L, 1);
- check_modname_prefix(L, name);
- //infostream<<"register_node: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
- int nodedef_table = 2;
+public:
+ InvRef(const InventoryLocation &loc):
+ m_loc(loc)
+ {
+ }
- // Get the writable node definition manager from the server
- IWritableNodeDefManager *nodedef =
- get_server(L)->getWritableNodeDefManager();
-
- // Get default node definition from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
- int nodedef_default = lua_gettop(L);
+ ~InvRef()
+ {
+ }
- /*
- Add to minetest.registered_nodes with default as metatable
- */
-
- // Get the node definition table given as parameter
- lua_pushvalue(L, nodedef_table);
+ // Creates an InvRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, const InventoryLocation &loc)
+ {
+ InvRef *o = new InvRef(loc);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ }
+ static void createPlayer(lua_State *L, Player *player)
+ {
+ InventoryLocation loc;
+ loc.setPlayer(player->getName());
+ create(L, loc);
+ }
+ static void createNodeMeta(lua_State *L, v3s16 p)
+ {
+ InventoryLocation loc;
+ loc.setNodeMeta(p);
+ create(L, loc);
+ }
- // Set __index to point to itself
- lua_pushvalue(L, -1);
- lua_setfield(L, -2, "__index");
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
- // Set nodedef_default as metatable for the definition
- lua_pushvalue(L, nodedef_default);
- lua_setmetatable(L, nodedef_table);
-
- // minetest.registered_nodes[name] = nodedef
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_nodes");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushstring(L, name.c_str());
- lua_pushvalue(L, nodedef_table);
- lua_settable(L, -3);
-
- /*
- Create definition
- */
-
- ContentFeatures f;
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
- // Default to getting the corresponding NodeItem when dug
- f.dug_item = std::string("NodeItem \"")+name+"\" 1";
-
- // Default to unknown_block.png as all textures
- f.setAllTextures("unknown_block.png");
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
- /*
- Read definiton from Lua
- */
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
- f.name = name;
-
- /* Visual definition */
+ lua_pop(L, 1); // drop metatable
- f.drawtype = (NodeDrawType)getenumfield(L, nodedef_table, "drawtype", es_DrawType,
- NDT_NORMAL);
- getfloatfield(L, nodedef_table, "visual_scale", f.visual_scale);
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
- lua_getfield(L, nodedef_table, "tile_images");
- if(lua_istable(L, -1)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- int i = 0;
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- if(lua_isstring(L, -1))
- f.tname_tiles[i] = lua_tostring(L, -1);
- else
- f.tname_tiles[i] = "";
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- i++;
- if(i==6){
- lua_pop(L, 1);
- break;
- }
- }
- // Copy last value to all remaining textures
- if(i >= 1){
- std::string lastname = f.tname_tiles[i-1];
- while(i < 6){
- f.tname_tiles[i] = lastname;
- i++;
- }
- }
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
}
- lua_pop(L, 1);
+};
+const char InvRef::className[] = "InvRef";
+const luaL_reg InvRef::methods[] = {
+ method(InvRef, get_size),
+ method(InvRef, set_size),
+ method(InvRef, get_stack),
+ method(InvRef, set_stack),
+ {0,0}
+};
- getstringfield(L, nodedef_table, "inventory_image", f.tname_inventory);
+/*
+ NodeMetaRef
+*/
- lua_getfield(L, nodedef_table, "special_materials");
- if(lua_istable(L, -1)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- int i = 0;
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- int smtable = lua_gettop(L);
- std::string tname = getstringfield_default(
- L, smtable, "image", "");
- bool backface_culling = getboolfield_default(
- L, smtable, "backface_culling", true);
- MaterialSpec mspec(tname, backface_culling);
- f.setSpecialMaterial(i, mspec);
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- i++;
- if(i==6){
- lua_pop(L, 1);
- break;
- }
- }
- }
- lua_pop(L, 1);
+class NodeMetaRef
+{
+private:
+ v3s16 m_p;
+ ServerEnvironment *m_env;
- f.alpha = getintfield_default(L, nodedef_table, "alpha", 255);
+ static const char className[];
+ static const luaL_reg methods[];
- /* Other stuff */
+ static NodeMetaRef *checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(NodeMetaRef**)ud; // unbox pointer
+ }
- lua_getfield(L, nodedef_table, "post_effect_color");
- if(!lua_isnil(L, -1))
- f.post_effect_color = readARGB8(L, -1);
- lua_pop(L, 1);
+ static NodeMetadata* getmeta(NodeMetaRef *ref)
+ {
+ NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
+ return meta;
+ }
- f.param_type = (ContentParamType)getenumfield(L, nodedef_table, "paramtype",
- es_ContentParamType, CPT_NONE);
+ /*static IGenericNodeMetadata* getgenericmeta(NodeMetaRef *ref)
+ {
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL)
+ return NULL;
+ if(meta->typeId() != NODEMETA_GENERIC)
+ return NULL;
+ return (IGenericNodeMetadata*)meta;
+ }*/
+
+ static void reportMetadataChange(NodeMetaRef *ref)
+ {
+ // Inform other things that the metadata has changed
+ v3s16 blockpos = getNodeBlockPos(ref->m_p);
+ MapEditEvent event;
+ event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
+ event.p = blockpos;
+ ref->m_env->getMap().dispatchEvent(&event);
+ // Set the block to be saved
+ MapBlock *block = ref->m_env->getMap().getBlockNoCreateNoEx(blockpos);
+ if(block)
+ block->raiseModified(MOD_STATE_WRITE_NEEDED,
+ "NodeMetaRef::reportMetadataChange");
+ }
- // True for all ground-like things like stone and mud, false for eg. trees
- getboolfield(L, nodedef_table, "is_ground_content", f.is_ground_content);
- f.light_propagates = (f.param_type == CPT_LIGHT);
- warn_if_field_exists(L, nodedef_table, "light_propagates",
- "deprecated: determined from paramtype");
- getboolfield(L, nodedef_table, "sunlight_propagates", f.sunlight_propagates);
- // This is used for collision detection.
- // Also for general solidness queries.
- getboolfield(L, nodedef_table, "walkable", f.walkable);
- // Player can point to these
- getboolfield(L, nodedef_table, "pointable", f.pointable);
- // Player can dig these
- getboolfield(L, nodedef_table, "diggable", f.diggable);
- // Player can climb these
- getboolfield(L, nodedef_table, "climbable", f.climbable);
- // Player can build on these
- getboolfield(L, nodedef_table, "buildable_to", f.buildable_to);
- // If true, param2 is set to direction when placed. Used for torches.
- // NOTE: the direction format is quite inefficient and should be changed
- getboolfield(L, nodedef_table, "wall_mounted", f.wall_mounted);
- // Whether this content type often contains mineral.
- // Used for texture atlas creation.
- // Currently only enabled for CONTENT_STONE.
- getboolfield(L, nodedef_table, "often_contains_mineral", f.often_contains_mineral);
- // Inventory item string as which the node appears in inventory when dug.
- // Mineral overrides this.
- getstringfield(L, nodedef_table, "dug_item", f.dug_item);
- // Extra dug item and its rarity
- getstringfield(L, nodedef_table, "extra_dug_item", f.extra_dug_item);
- // Usual get interval for extra dug item
- getintfield(L, nodedef_table, "extra_dug_item_rarity", f.extra_dug_item_rarity);
- // Metadata name of node (eg. "furnace")
- getstringfield(L, nodedef_table, "metadata_name", f.metadata_name);
- // Whether the node is non-liquid, source liquid or flowing liquid
- f.liquid_type = (LiquidType)getenumfield(L, nodedef_table, "liquidtype",
- es_LiquidType, LIQUID_NONE);
- // If the content is liquid, this is the flowing version of the liquid.
- getstringfield(L, nodedef_table, "liquid_alternative_flowing",
- f.liquid_alternative_flowing);
- // If the content is liquid, this is the source version of the liquid.
- getstringfield(L, nodedef_table, "liquid_alternative_source",
- f.liquid_alternative_source);
- // Viscosity for fluid flow, ranging from 1 to 7, with
- // 1 giving almost instantaneous propagation and 7 being
- // the slowest possible
- f.liquid_viscosity = getintfield_default(L, nodedef_table,
- "liquid_viscosity", f.liquid_viscosity);
- // Amount of light the node emits
- f.light_source = getintfield_default(L, nodedef_table,
- "light_source", f.light_source);
- f.damage_per_second = getintfield_default(L, nodedef_table,
- "damage_per_second", f.damage_per_second);
+ // Exported functions
- lua_getfield(L, nodedef_table, "selection_box");
- if(lua_istable(L, -1)){
- f.selection_box.type = (NodeBoxType)getenumfield(L, -1, "type",
- es_NodeBoxType, NODEBOX_REGULAR);
-
- lua_getfield(L, -1, "fixed");
- if(lua_istable(L, -1))
- f.selection_box.fixed = read_aabbox3df32(L, -1, BS);
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "wall_top");
- if(lua_istable(L, -1))
- f.selection_box.wall_top = read_aabbox3df32(L, -1, BS);
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "wall_bottom");
- if(lua_istable(L, -1))
- f.selection_box.wall_bottom = read_aabbox3df32(L, -1, BS);
- lua_pop(L, 1);
+ // garbage collector
+ static int gc_object(lua_State *L) {
+ NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
- lua_getfield(L, -1, "wall_side");
- if(lua_istable(L, -1))
- f.selection_box.wall_side = read_aabbox3df32(L, -1, BS);
- lua_pop(L, 1);
+ // get_type(self)
+ static int l_get_type(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // Do it
+ lua_pushstring(L, meta->typeName());
+ return 1;
}
- lua_pop(L, 1);
- lua_getfield(L, nodedef_table, "material");
- if(lua_istable(L, -1)){
- f.material.diggability = (Diggability)getenumfield(L, -1, "diggability",
- es_Diggability, DIGGABLE_NORMAL);
-
- getfloatfield(L, -1, "constant_time", f.material.constant_time);
- getfloatfield(L, -1, "weight", f.material.weight);
- getfloatfield(L, -1, "crackiness", f.material.crackiness);
- getfloatfield(L, -1, "crumbliness", f.material.crumbliness);
- getfloatfield(L, -1, "cuttability", f.material.cuttability);
- getfloatfield(L, -1, "flammability", f.material.flammability);
+ // allows_text_input(self)
+ static int l_allows_text_input(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ lua_pushboolean(L, meta->allowsTextInput());
+ return 1;
}
- lua_pop(L, 1);
-
- getstringfield(L, nodedef_table, "cookresult_itemstring", f.cookresult_item);
- getfloatfield(L, nodedef_table, "furnace_cooktime", f.furnace_cooktime);
- getfloatfield(L, nodedef_table, "furnace_burntime", f.furnace_burntime);
-
- /*
- Register it
- */
-
- nodedef->set(name, f);
-
- return 0; /* number of results */
-}
-// alias_node(name, convert_to_name)
-static int l_alias_node(lua_State *L)
-{
- std::string name = luaL_checkstring(L, 1);
- std::string convert_to = luaL_checkstring(L, 2);
+ // set_text(self, text)
+ static int l_set_text(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string text = luaL_checkstring(L, 2);
+ meta->setText(text);
+ reportMetadataChange(ref);
+ return 0;
+ }
- // Get the writable node definition manager from the server
- IWritableNodeDefManager *nodedef =
- get_server(L)->getWritableNodeDefManager();
-
- nodedef->setAlias(name, convert_to);
-
- return 0; /* number of results */
-}
+ // get_text(self)
+ static int l_get_text(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string text = meta->getText();
+ lua_pushstring(L, text.c_str());
+ return 1;
+ }
-// alias_tool(name, convert_to_name)
-static int l_alias_tool(lua_State *L)
-{
- std::string name = luaL_checkstring(L, 1);
- std::string convert_to = luaL_checkstring(L, 2);
+ // get_owner(self)
+ static int l_get_owner(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string owner = meta->getOwner();
+ lua_pushstring(L, owner.c_str());
+ return 1;
+ }
- // Get the writable tool definition manager from the server
- IWritableToolDefManager *tooldef =
- get_server(L)->getWritableToolDefManager();
+ /* IGenericNodeMetadata interface */
- tooldef->setAlias(name, convert_to);
-
- return 0; /* number of results */
-}
+ // set_infotext(self, text)
+ static int l_set_infotext(lua_State *L)
+ {
+ infostream<<__FUNCTION_NAME<<std::endl;
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string text = luaL_checkstring(L, 2);
+ meta->setInfoText(text);
+ reportMetadataChange(ref);
+ return 0;
+ }
-// alias_craftitem(name, convert_to_name)
-static int l_alias_craftitem(lua_State *L)
-{
- std::string name = luaL_checkstring(L, 1);
- std::string convert_to = luaL_checkstring(L, 2);
+ // inventory_set_list(self, name, {item1, item2, ...})
+ static int l_inventory_set_list(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ Inventory *inv = meta->getInventory();
+ const char *name = luaL_checkstring(L, 2);
+ inventory_set_list_from_lua(inv, name, L, 3,
+ ref->m_env->getGameDef());
+ reportMetadataChange(ref);
+ return 0;
+ }
- // Get the writable CraftItem definition manager from the server
- IWritableCraftItemDefManager *craftitemdef =
- get_server(L)->getWritableCraftItemDefManager();
-
- craftitemdef->setAlias(name, convert_to);
+ // inventory_get_list(self, name)
+ static int l_inventory_get_list(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ Inventory *inv = meta->getInventory();
+ const char *name = luaL_checkstring(L, 2);
+ inventory_get_list_to_lua(inv, name, L);
+ return 1;
+ }
- return 0; /* number of results */
-}
+ // set_inventory_draw_spec(self, text)
+ static int l_set_inventory_draw_spec(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string text = luaL_checkstring(L, 2);
+ meta->setInventoryDrawSpec(text);
+ reportMetadataChange(ref);
+ return 0;
+ }
-// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
-static int l_register_craft(lua_State *L)
-{
- //infostream<<"register_craft"<<std::endl;
- luaL_checktype(L, 1, LUA_TTABLE);
- int table0 = 1;
+ // set_allow_text_input(self, text)
+ static int l_set_allow_text_input(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ bool b = lua_toboolean(L, 2);
+ meta->setAllowTextInput(b);
+ reportMetadataChange(ref);
+ return 0;
+ }
- // Get the writable craft definition manager from the server
- IWritableCraftDefManager *craftdef =
- get_server(L)->getWritableCraftDefManager();
-
- std::string output;
- int width = 0;
- std::vector<std::string> input;
+ // set_allow_removal(self, text)
+ static int l_set_allow_removal(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ bool b = lua_toboolean(L, 2);
+ meta->setRemovalDisabled(!b);
+ reportMetadataChange(ref);
+ return 0;
+ }
- lua_getfield(L, table0, "output");
- luaL_checktype(L, -1, LUA_TSTRING);
- if(lua_isstring(L, -1))
- output = lua_tostring(L, -1);
- lua_pop(L, 1);
+ // set_enforce_owner(self, text)
+ static int l_set_enforce_owner(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ bool b = lua_toboolean(L, 2);
+ meta->setEnforceOwner(b);
+ reportMetadataChange(ref);
+ return 0;
+ }
- lua_getfield(L, table0, "recipe");
- luaL_checktype(L, -1, LUA_TTABLE);
- if(lua_istable(L, -1)){
- int table1 = lua_gettop(L);
- lua_pushnil(L);
- int rowcount = 0;
- while(lua_next(L, table1) != 0){
- int colcount = 0;
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TTABLE);
- if(lua_istable(L, -1)){
- int table2 = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table2) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TSTRING);
- input.push_back(lua_tostring(L, -1));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- colcount++;
- }
- }
- if(rowcount == 0){
- width = colcount;
- } else {
- if(colcount != width){
- std::string error;
- error += "Invalid crafting recipe (output=\""
- + output + "\")";
- throw LuaError(L, error);
- }
- }
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- rowcount++;
- }
+ // is_inventory_modified(self)
+ static int l_is_inventory_modified(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ lua_pushboolean(L, meta->isInventoryModified());
+ return 1;
}
- lua_pop(L, 1);
- CraftDefinition def(output, width, input);
- craftdef->registerCraft(def);
-
- return 0; /* number of results */
-}
-
-// setting_get(name)
-static int l_setting_get(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- try{
- std::string value = g_settings->get(name);
- lua_pushstring(L, value.c_str());
- } catch(SettingNotFoundException &e){
- lua_pushnil(L);
- }
- return 1;
-}
-
-// setting_getbool(name)
-static int l_setting_getbool(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- try{
- bool value = g_settings->getBool(name);
- lua_pushboolean(L, value);
- } catch(SettingNotFoundException &e){
- lua_pushnil(L);
- }
- return 1;
-}
-
-// chat_send_all(text)
-static int l_chat_send_all(lua_State *L)
-{
- const char *text = luaL_checkstring(L, 1);
- // Get server from registry
- Server *server = get_server(L);
- // Send
- server->notifyPlayers(narrow_to_wide(text));
- return 0;
-}
-
-// chat_send_player(name, text)
-static int l_chat_send_player(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- const char *text = luaL_checkstring(L, 2);
- // Get server from registry
- Server *server = get_server(L);
- // Send
- server->notifyPlayer(name, narrow_to_wide(text));
- return 0;
-}
-
-// get_player_privs(name, text)
-static int l_get_player_privs(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- // Get server from registry
- Server *server = get_server(L);
- // Do it
- lua_newtable(L);
- int table = lua_gettop(L);
- u64 privs_i = server->getPlayerAuthPrivs(name);
- // Special case for the "name" setting (local player / server owner)
- if(name == g_settings->get("name"))
- privs_i = PRIV_ALL;
- std::set<std::string> privs_s = privsToSet(privs_i);
- for(std::set<std::string>::const_iterator
- i = privs_s.begin(); i != privs_s.end(); i++){
- lua_pushboolean(L, true);
- lua_setfield(L, table, i->c_str());
+ // reset_inventory_modified(self)
+ static int l_reset_inventory_modified(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ meta->resetInventoryModified();
+ reportMetadataChange(ref);
+ return 0;
}
- lua_pushvalue(L, table);
- return 1;
-}
-// get_modpath(modname)
-static int l_get_modpath(lua_State *L)
-{
- const char *modname = luaL_checkstring(L, 1);
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- // Do it
- const ModSpec *mod = server->getModSpec(modname);
- if(!mod){
- lua_pushnil(L);
+ // is_text_modified(self)
+ static int l_is_text_modified(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ lua_pushboolean(L, meta->isTextModified());
return 1;
}
- lua_pushstring(L, mod->path.c_str());
- return 1;
-}
-
-static const struct luaL_Reg minetest_f [] = {
- {"register_nodedef_defaults", l_register_nodedef_defaults},
- {"register_entity", l_register_entity},
- {"register_tool", l_register_tool},
- {"register_craftitem", l_register_craftitem},
- {"register_node", l_register_node},
- {"register_craft", l_register_craft},
- {"register_abm", l_register_abm},
- {"alias_node", l_alias_node},
- {"alias_tool", l_alias_tool},
- {"alias_craftitem", l_alias_craftitem},
- {"setting_get", l_setting_get},
- {"setting_getbool", l_setting_getbool},
- {"chat_send_all", l_chat_send_all},
- {"chat_send_player", l_chat_send_player},
- {"get_player_privs", l_get_player_privs},
- {"get_modpath", l_get_modpath},
- {NULL, NULL}
-};
-
-/*
- LuaEntity functions
-*/
-
-static const struct luaL_Reg minetest_entity_m [] = {
- {NULL, NULL}
-};
-
-/*
- Getters for stuff in main tables
-*/
-
-static void objectref_get(lua_State *L, u16 id)
-{
- // Get minetest.object_refs[i]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "object_refs");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushnumber(L, id);
- lua_gettable(L, -2);
- lua_remove(L, -2); // object_refs
- lua_remove(L, -2); // minetest
-}
-
-static void luaentity_get(lua_State *L, u16 id)
-{
- // Get minetest.luaentities[i]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "luaentities");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushnumber(L, id);
- lua_gettable(L, -2);
- lua_remove(L, -2); // luaentities
- lua_remove(L, -2); // minetest
-}
-
-/*
- Object wrappers
-*/
-
-#define method(class, name) {#name, class::l_##name}
-
-/*
- ItemStack
-*/
-
-class ItemStack
-{
-private:
- InventoryItem *m_stack;
-
- static const char className[];
- static const luaL_reg methods[];
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L) {
- ItemStack *o = *(ItemStack **)(lua_touserdata(L, 1));
- delete o;
+ // reset_text_modified(self)
+ static int l_reset_text_modified(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ meta->resetTextModified();
+ reportMetadataChange(ref);
return 0;
}
- // take_item(self)
- static int l_take_item(lua_State *L)
+ // set_string(self, name, var)
+ static int l_set_string(lua_State *L)
{
- ItemStack *o = checkobject(L, 1);
- push_stack_item(L, o->m_stack);
- if(o->m_stack->getCount() <= 1){
- delete o->m_stack;
- o->m_stack = NULL;
- } else {
- o->m_stack->remove(1);
- }
- return 1;
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string name = luaL_checkstring(L, 2);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 3, &len);
+ std::string str(s, len);
+ meta->setString(name, str);
+ reportMetadataChange(ref);
+ return 0;
}
- // put_item(self, item) -> true/false
- static int l_put_item(lua_State *L)
+ // get_string(self, name)
+ static int l_get_string(lua_State *L)
{
- ItemStack *o = checkobject(L, 1);
- InventoryItem *item = check_stack_item(L, 2);
- if(!item){ // nil can always be inserted
- lua_pushboolean(L, true);
- return 1;
- }
- if(!item->addableTo(o->m_stack)){
- lua_pushboolean(L, false);
- return 1;
- }
- o->m_stack->add(1);
- delete item;
- lua_pushboolean(L, true);
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string name = luaL_checkstring(L, 2);
+ std::string str = meta->getString(name);
+ lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
public:
- ItemStack(InventoryItem *item=NULL):
- m_stack(item)
+ NodeMetaRef(v3s16 p, ServerEnvironment *env):
+ m_p(p),
+ m_env(env)
{
}
- ~ItemStack()
+ ~NodeMetaRef()
{
- delete m_stack;
}
- static ItemStack* checkobject(lua_State *L, int narg)
+ // Creates an NodeMetaRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, v3s16 p, ServerEnvironment *env)
{
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(ItemStack**)ud; // unbox pointer
- }
-
- InventoryItem* getItemCopy()
- {
- if(!m_stack)
- return NULL;
- return m_stack->clone();
- }
-
- // Creates an ItemStack and leaves it on top of stack
- static int create_object(lua_State *L)
- {
- InventoryItem *item = NULL;
- if(lua_isstring(L, 1)){
- std::string itemstring = lua_tostring(L, 1);
- if(itemstring != ""){
- try{
- IGameDef *gdef = get_server(L);
- item = InventoryItem::deSerialize(itemstring, gdef);
- }catch(SerializationError &e){
- }
- }
- }
- ItemStack *o = new ItemStack(item);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- return 1;
- }
- // Not callable from Lua
- static int create(lua_State *L, InventoryItem *item)
- {
- ItemStack *o = new ItemStack(item);
+ NodeMetaRef *o = new NodeMetaRef(p, env);
+ //infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
- return 1;
}
static void Register(lua_State *L)
luaL_openlib(L, 0, methods, 0); // fill methodtable
lua_pop(L, 1); // drop methodtable
- // Can be created from Lua (ItemStack::create(itemstring))
- lua_register(L, className, create_object);
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
}
};
-const char ItemStack::className[] = "ItemStack";
-const luaL_reg ItemStack::methods[] = {
- method(ItemStack, take_item),
- method(ItemStack, put_item),
+const char NodeMetaRef::className[] = "NodeMetaRef";
+const luaL_reg NodeMetaRef::methods[] = {
+ method(NodeMetaRef, get_type),
+ method(NodeMetaRef, allows_text_input),
+ method(NodeMetaRef, set_text),
+ method(NodeMetaRef, get_text),
+ method(NodeMetaRef, get_owner),
+ method(NodeMetaRef, set_infotext),
+ method(NodeMetaRef, inventory_set_list),
+ method(NodeMetaRef, inventory_get_list),
+ method(NodeMetaRef, set_inventory_draw_spec),
+ method(NodeMetaRef, set_allow_text_input),
+ method(NodeMetaRef, set_allow_removal),
+ method(NodeMetaRef, set_enforce_owner),
+ method(NodeMetaRef, is_inventory_modified),
+ method(NodeMetaRef, reset_inventory_modified),
+ method(NodeMetaRef, is_text_modified),
+ method(NodeMetaRef, reset_text_modified),
+ method(NodeMetaRef, set_string),
+ method(NodeMetaRef, get_string),
{0,0}
};
/*
- InvRef
+ ObjectRef
*/
-class InvRef
+class ObjectRef
{
private:
- InventoryLocation m_loc;
+ ServerActiveObject *m_object;
static const char className[];
static const luaL_reg methods[];
- static InvRef *checkobject(lua_State *L, int narg)
+ static ObjectRef *checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if(!ud) luaL_typerror(L, narg, className);
- return *(InvRef**)ud; // unbox pointer
+ return *(ObjectRef**)ud; // unbox pointer
}
- static Inventory* getinv(lua_State *L, InvRef *ref)
+ static ServerActiveObject* getobject(ObjectRef *ref)
{
- return get_server(L)->getInventory(ref->m_loc);
+ ServerActiveObject *co = ref->m_object;
+ return co;
}
-
- static InventoryList* getlist(lua_State *L, InvRef *ref,
- const char *listname)
+
+ static LuaEntitySAO* getluaobject(ObjectRef *ref)
{
- Inventory *inv = getinv(L, ref);
- if(!inv)
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
return NULL;
- return inv->getList(listname);
- }
-
- static InventoryItem* getitem(lua_State *L, InvRef *ref,
- const char *listname, int i)
- {
- InventoryList *list = getlist(L, ref, listname);
- if(!list)
+ if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
return NULL;
- return list->getItem(i);
+ return (LuaEntitySAO*)obj;
}
-
- static void reportInventoryChange(lua_State *L, InvRef *ref)
+
+ static ServerRemotePlayer* getplayer(ObjectRef *ref)
{
- // Inform other things that the inventory has changed
- get_server(L)->setInventoryModified(ref->m_loc);
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
+ return NULL;
+ return static_cast<ServerRemotePlayer*>(obj);
}
// Exported functions
// garbage collector
static int gc_object(lua_State *L) {
- InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
+ ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
+ //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
delete o;
return 0;
}
- // set_size(self, listname, size)
- static int l_set_size(lua_State *L)
+ // remove(self)
+ static int l_remove(lua_State *L)
{
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int newsize = luaL_checknumber(L, 3);
- Inventory *inv = getinv(L, ref);
- if(newsize == 0){
- inv->deleteList(listname);
- return 0;
- }
- InventoryList *list = inv->getList(listname);
- if(list){
- list->setSize(newsize);
- } else {
- list = inv->addList(listname, newsize);
- }
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ infostream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
+ co->m_removed = true;
return 0;
}
-
- // get_stack(self, listname, i)
- static int l_get_stack(lua_State *L)
+
+ // getpos(self)
+ // returns: {x=num, y=num, z=num}
+ static int l_getpos(lua_State *L)
{
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int i = luaL_checknumber(L, 3);
- InventoryItem *item = getitem(L, ref, listname, i);
- if(!item){
- ItemStack::create(L, NULL);
- return 1;
- }
- ItemStack::create(L, item->clone());
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ v3f pos = co->getBasePosition() / BS;
+ lua_newtable(L);
+ lua_pushnumber(L, pos.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, pos.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, pos.Z);
+ lua_setfield(L, -2, "z");
return 1;
}
-
- // set_stack(self, listname, i, stack)
- static int l_set_stack(lua_State *L)
+
+ // setpos(self, pos)
+ static int l_setpos(lua_State *L)
{
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int i = luaL_checknumber(L, 3);
- ItemStack *stack = ItemStack::checkobject(L, 4);
- InventoryList *list = getlist(L, ref, listname);
- if(!list){
- lua_pushboolean(L, false);
- return 1;
- }
- InventoryItem *newitem = stack->getItemCopy();
- InventoryItem *olditem = list->changeItem(i, newitem);
- bool success = (olditem != newitem);
- delete olditem;
- lua_pushboolean(L, success);
- return 1;
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setPos(pos);
+ return 0;
}
-
-public:
- InvRef(const InventoryLocation &loc):
- m_loc(loc)
+
+ // moveto(self, pos, continuous=false)
+ static int l_moveto(lua_State *L)
{
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // continuous
+ bool continuous = lua_toboolean(L, 3);
+ // Do it
+ co->moveTo(pos, continuous);
+ return 0;
}
- ~InvRef()
+ // punch(self, puncher); puncher = an another ObjectRef
+ static int l_punch(lua_State *L)
{
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *ref2 = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *co2 = getobject(ref2);
+ if(co == NULL) return 0;
+ if(co2 == NULL) return 0;
+ // Do it
+ co->punch(co2);
+ return 0;
}
- // Creates an InvRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, const InventoryLocation &loc)
- {
- InvRef *o = new InvRef(loc);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
- static void createPlayer(lua_State *L, Player *player)
- {
- InventoryLocation loc;
- loc.setPlayer(player->getName());
- create(L, loc);
- }
- static void createNodeMeta(lua_State *L, v3s16 p)
+ // right_click(self, clicker); clicker = an another ObjectRef
+ static int l_right_click(lua_State *L)
{
- InventoryLocation loc;
- loc.setNodeMeta(p);
- create(L, loc);
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *ref2 = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *co2 = getobject(ref2);
+ if(co == NULL) return 0;
+ if(co2 == NULL) return 0;
+ // Do it
+ co->rightClick(co2);
+ return 0;
}
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
-
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
-
- lua_pop(L, 1); // drop metatable
-
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
-
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
- }
-};
-const char InvRef::className[] = "InvRef";
-const luaL_reg InvRef::methods[] = {
- method(InvRef, set_size),
- method(InvRef, get_stack),
- method(InvRef, set_stack),
- {0,0}
-};
-
-/*
- NodeMetaRef
-*/
-
-class NodeMetaRef
-{
-private:
- v3s16 m_p;
- ServerEnvironment *m_env;
-
- static const char className[];
- static const luaL_reg methods[];
-
- static NodeMetaRef *checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(NodeMetaRef**)ud; // unbox pointer
- }
-
- static NodeMetadata* getmeta(NodeMetaRef *ref)
+ // get_wield_digging_properties(self)
+ static int l_get_wield_digging_properties(lua_State *L)
{
- NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
- return meta;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ ToolDiggingProperties prop;
+ co->getWieldDiggingProperties(&prop);
+ push_tool_digging_properties(L, prop);
+ return 1;
}
- /*static IGenericNodeMetadata* getgenericmeta(NodeMetaRef *ref)
- {
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL)
- return NULL;
- if(meta->typeId() != NODEMETA_GENERIC)
- return NULL;
- return (IGenericNodeMetadata*)meta;
- }*/
-
- static void reportMetadataChange(NodeMetaRef *ref)
+ // damage_wielded_item(self, amount)
+ static int l_damage_wielded_item(lua_State *L)
{
- // Inform other things that the metadata has changed
- v3s16 blockpos = getNodeBlockPos(ref->m_p);
- MapEditEvent event;
- event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
- event.p = blockpos;
- ref->m_env->getMap().dispatchEvent(&event);
- // Set the block to be saved
- MapBlock *block = ref->m_env->getMap().getBlockNoCreateNoEx(blockpos);
- if(block)
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- "NodeMetaRef::reportMetadataChange");
- }
-
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L) {
- NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
- delete o;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ int amount = lua_tonumber(L, 2);
+ co->damageWieldedItem(amount);
return 0;
}
- // get_type(self)
- static int l_get_type(lua_State *L)
+ // add_to_inventory(self, itemstring)
+ // returns: true if item was added, (false, "reason") otherwise
+ static int l_add_to_inventory(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL){
- lua_pushnil(L);
- return 1;
- }
+ ObjectRef *ref = checkobject(L, 1);
+ luaL_checkstring(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // itemstring
+ const char *itemstring = luaL_checkstring(L, 2);
+ infostream<<"ObjectRef::l_add_to_inventory(): id="<<co->getId()
+ <<" itemstring=\""<<itemstring<<"\""<<std::endl;
// Do it
- lua_pushstring(L, meta->typeName());
- return 1;
+ std::istringstream is(itemstring, std::ios::binary);
+ ServerEnvironment *env = co->getEnv();
+ assert(env);
+ IGameDef *gamedef = env->getGameDef();
+ try{
+ InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
+ if(item->getCount() == 0)
+ item->setCount(1);
+ bool added = co->addToInventory(item);
+ // Return
+ lua_pushboolean(L, added);
+ if(!added)
+ lua_pushstring(L, "failed to add item");
+ return 2;
+ } catch(SerializationError &e){
+ // Return
+ lua_pushboolean(L, false);
+ lua_pushstring(L, (std::string("Invalid item: ")
+ + e.what()).c_str());
+ return 2;
+ }
}
- // allows_text_input(self)
- static int l_allows_text_input(lua_State *L)
+ // add_to_inventory_later(self, itemstring)
+ // returns: nil
+ static int l_add_to_inventory_later(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ luaL_checkstring(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // itemstring
+ const char *itemstring = luaL_checkstring(L, 2);
+ infostream<<"ObjectRef::l_add_to_inventory_later(): id="<<co->getId()
+ <<" itemstring=\""<<itemstring<<"\""<<std::endl;
// Do it
- lua_pushboolean(L, meta->allowsTextInput());
- return 1;
+ std::istringstream is(itemstring, std::ios::binary);
+ ServerEnvironment *env = co->getEnv();
+ assert(env);
+ IGameDef *gamedef = env->getGameDef();
+ InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
+ infostream<<"item="<<env<<std::endl;
+ co->addToInventoryLater(item);
+ // Return
+ return 0;
}
- // set_text(self, text)
- static int l_set_text(lua_State *L)
+ // set_hp(self, hp)
+ // hp = number of hitpoints (2 * number of hearts)
+ // returns: nil
+ static int l_set_hp(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ luaL_checknumber(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ int hp = lua_tonumber(L, 2);
+ infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
+ <<" hp="<<hp<<std::endl;
// Do it
- std::string text = luaL_checkstring(L, 2);
- meta->setText(text);
- reportMetadataChange(ref);
+ co->setHP(hp);
+ // Return
return 0;
}
- // get_text(self)
- static int l_get_text(lua_State *L)
+ // get_hp(self)
+ // returns: number of hitpoints (2 * number of hearts)
+ // 0 if not applicable to this type of object
+ static int l_get_hp(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string text = meta->getText();
- lua_pushstring(L, text.c_str());
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ int hp = co->getHP();
+ infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
+ <<" hp="<<hp<<std::endl;
+ // Return
+ lua_pushnumber(L, hp);
return 1;
}
- // get_owner(self)
- static int l_get_owner(lua_State *L)
+ /* LuaEntitySAO-only */
+
+ // setvelocity(self, {x=num, y=num, z=num})
+ static int l_setvelocity(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
// Do it
- std::string owner = meta->getOwner();
- lua_pushstring(L, owner.c_str());
- return 1;
+ co->setVelocity(pos);
+ return 0;
}
-
- /* IGenericNodeMetadata interface */
- // set_infotext(self, text)
- static int l_set_infotext(lua_State *L)
+ // setacceleration(self, {x=num, y=num, z=num})
+ static int l_setacceleration(lua_State *L)
{
- infostream<<__FUNCTION_NAME<<std::endl;
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
// Do it
- std::string text = luaL_checkstring(L, 2);
- meta->setInfoText(text);
- reportMetadataChange(ref);
+ co->setAcceleration(pos);
return 0;
}
-
- // inventory_set_list(self, name, {item1, item2, ...})
- static int l_inventory_set_list(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- Inventory *inv = meta->getInventory();
- const char *name = luaL_checkstring(L, 2);
- inventory_set_list_from_lua(inv, name, L, 3,
- ref->m_env->getGameDef());
- reportMetadataChange(ref);
- return 0;
- }
-
- // inventory_get_list(self, name)
- static int l_inventory_get_list(lua_State *L)
+
+ // getacceleration(self)
+ static int l_getacceleration(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
// Do it
- Inventory *inv = meta->getInventory();
- const char *name = luaL_checkstring(L, 2);
- inventory_get_list_to_lua(inv, name, L);
+ v3f v = co->getAcceleration();
+ pushFloatPos(L, v);
return 1;
}
-
- // set_inventory_draw_spec(self, text)
- static int l_set_inventory_draw_spec(lua_State *L)
+
+ // settexturemod(self, mod)
+ static int l_settexturemod(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
// Do it
- std::string text = luaL_checkstring(L, 2);
- meta->setInventoryDrawSpec(text);
- reportMetadataChange(ref);
+ std::string mod = luaL_checkstring(L, 2);
+ co->setTextureMod(mod);
return 0;
}
-
- // set_allow_text_input(self, text)
- static int l_set_allow_text_input(lua_State *L)
+
+ // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
+ // select_horiz_by_yawpitch=false)
+ static int l_setsprite(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
// Do it
- bool b = lua_toboolean(L, 2);
- meta->setAllowTextInput(b);
- reportMetadataChange(ref);
+ v2s16 p(0,0);
+ if(!lua_isnil(L, 2))
+ p = read_v2s16(L, 2);
+ int num_frames = 1;
+ if(!lua_isnil(L, 3))
+ num_frames = lua_tonumber(L, 3);
+ float framelength = 0.2;
+ if(!lua_isnil(L, 4))
+ framelength = lua_tonumber(L, 4);
+ bool select_horiz_by_yawpitch = false;
+ if(!lua_isnil(L, 5))
+ select_horiz_by_yawpitch = lua_toboolean(L, 5);
+ co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
return 0;
}
- // set_allow_removal(self, text)
- static int l_set_allow_removal(lua_State *L)
+ /* Player-only */
+
+ // get_player_name(self)
+ static int l_get_player_name(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
// Do it
- bool b = lua_toboolean(L, 2);
- meta->setRemovalDisabled(!b);
- reportMetadataChange(ref);
- return 0;
+ lua_pushstring(L, player->getName());
+ return 1;
}
-
- // set_enforce_owner(self, text)
- static int l_set_enforce_owner(lua_State *L)
+
+ // inventory_set_list(self, name, {item1, item2, ...})
+ static int l_inventory_set_list(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ const char *name = luaL_checkstring(L, 2);
// Do it
- bool b = lua_toboolean(L, 2);
- meta->setEnforceOwner(b);
- reportMetadataChange(ref);
+ inventory_set_list_from_lua(&player->inventory, name, L, 3,
+ player->getEnv()->getGameDef(), PLAYER_INVENTORY_SIZE);
+ player->m_inventory_not_sent = true;
return 0;
}
- // is_inventory_modified(self)
- static int l_is_inventory_modified(lua_State *L)
+ // inventory_get_list(self, name)
+ static int l_inventory_get_list(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ const char *name = luaL_checkstring(L, 2);
// Do it
- lua_pushboolean(L, meta->isInventoryModified());
+ inventory_get_list_to_lua(&player->inventory, name, L);
return 1;
}
- // reset_inventory_modified(self)
- static int l_reset_inventory_modified(lua_State *L)
+ // get_wielded_itemstring(self)
+ static int l_get_wielded_itemstring(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
// Do it
- meta->resetInventoryModified();
- reportMetadataChange(ref);
- return 0;
+ InventoryItem *item = player->getWieldedItem();
+ if(item == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ lua_pushstring(L, item->getItemString().c_str());
+ return 1;
}
- // is_text_modified(self)
- static int l_is_text_modified(lua_State *L)
+ // get_wielded_item(self)
+ static int l_get_wielded_item(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
// Do it
- lua_pushboolean(L, meta->isTextModified());
+ InventoryItem *item0 = player->getWieldedItem();
+ push_stack_item(L, item0);
return 1;
}
- // reset_text_modified(self)
- static int l_reset_text_modified(lua_State *L)
+ // get_look_dir(self)
+ static int l_get_look_dir(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
// Do it
- meta->resetTextModified();
- reportMetadataChange(ref);
- return 0;
+ float pitch = player->getRadPitch();
+ float yaw = player->getRadYaw();
+ v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw));
+ push_v3f(L, v);
+ return 1;
}
- // set_string(self, name, var)
- static int l_set_string(lua_State *L)
+ // get_look_pitch(self)
+ static int l_get_look_pitch(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
// Do it
- std::string name = luaL_checkstring(L, 2);
- size_t len = 0;
- const char *s = lua_tolstring(L, 3, &len);
- std::string str(s, len);
- meta->setString(name, str);
- reportMetadataChange(ref);
- return 0;
+ lua_pushnumber(L, player->getRadPitch());
+ return 1;
}
- // get_string(self, name)
- static int l_get_string(lua_State *L)
+ // get_look_yaw(self)
+ static int l_get_look_yaw(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
// Do it
- std::string name = luaL_checkstring(L, 2);
- std::string str = meta->getString(name);
- lua_pushlstring(L, str.c_str(), str.size());
+ lua_pushnumber(L, player->getRadYaw());
return 1;
}
public:
- NodeMetaRef(v3s16 p, ServerEnvironment *env):
- m_p(p),
- m_env(env)
+ ObjectRef(ServerActiveObject *object):
+ m_object(object)
{
+ //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
}
- ~NodeMetaRef()
+ ~ObjectRef()
{
+ /*if(m_object)
+ infostream<<"ObjectRef destructing for id="
+ <<m_object->getId()<<std::endl;
+ else
+ infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
}
- // Creates an NodeMetaRef and leaves it on top of stack
+ // Creates an ObjectRef and leaves it on top of stack
// Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, v3s16 p, ServerEnvironment *env)
+ static void create(lua_State *L, ServerActiveObject *object)
{
- NodeMetaRef *o = new NodeMetaRef(p, env);
- //infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
+ ObjectRef *o = new ObjectRef(object);
+ //infostream<<"ObjectRef::create: o="<<o<<std::endl;
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
}
+ static void set_null(lua_State *L)
+ {
+ ObjectRef *o = checkobject(L, -1);
+ o->m_object = NULL;
+ }
+
static void Register(lua_State *L)
{
lua_newtable(L);
//lua_register(L, className, create_object);
}
};
-const char NodeMetaRef::className[] = "NodeMetaRef";
-const luaL_reg NodeMetaRef::methods[] = {
- method(NodeMetaRef, get_type),
- method(NodeMetaRef, allows_text_input),
- method(NodeMetaRef, set_text),
- method(NodeMetaRef, get_text),
- method(NodeMetaRef, get_owner),
- method(NodeMetaRef, set_infotext),
- method(NodeMetaRef, inventory_set_list),
- method(NodeMetaRef, inventory_get_list),
- method(NodeMetaRef, set_inventory_draw_spec),
- method(NodeMetaRef, set_allow_text_input),
- method(NodeMetaRef, set_allow_removal),
- method(NodeMetaRef, set_enforce_owner),
- method(NodeMetaRef, is_inventory_modified),
- method(NodeMetaRef, reset_inventory_modified),
- method(NodeMetaRef, is_text_modified),
- method(NodeMetaRef, reset_text_modified),
- method(NodeMetaRef, set_string),
- method(NodeMetaRef, get_string),
+const char ObjectRef::className[] = "ObjectRef";
+const luaL_reg ObjectRef::methods[] = {
+ // ServerActiveObject
+ method(ObjectRef, remove),
+ method(ObjectRef, getpos),
+ method(ObjectRef, setpos),
+ method(ObjectRef, moveto),
+ method(ObjectRef, punch),
+ method(ObjectRef, right_click),
+ method(ObjectRef, get_wield_digging_properties),
+ method(ObjectRef, damage_wielded_item),
+ method(ObjectRef, add_to_inventory),
+ method(ObjectRef, add_to_inventory_later),
+ method(ObjectRef, set_hp),
+ method(ObjectRef, get_hp),
+ // LuaEntitySAO-only
+ method(ObjectRef, setvelocity),
+ method(ObjectRef, setacceleration),
+ method(ObjectRef, getacceleration),
+ method(ObjectRef, settexturemod),
+ method(ObjectRef, setsprite),
+ // Player-only
+ method(ObjectRef, get_player_name),
+ method(ObjectRef, inventory_set_list),
+ method(ObjectRef, inventory_get_list),
+ method(ObjectRef, get_wielded_itemstring),
+ method(ObjectRef, get_wielded_item),
+ method(ObjectRef, get_look_dir),
+ method(ObjectRef, get_look_pitch),
+ method(ObjectRef, get_look_yaw),
{0,0}
};
+// Creates a new anonymous reference if id=0
+static void objectref_get_or_create(lua_State *L,
+ ServerActiveObject *cobj)
+{
+ if(cobj->getId() == 0){
+ ObjectRef::create(L, cobj);
+ } else {
+ objectref_get(L, cobj->getId());
+ }
+}
+
/*
- ObjectRef
+ EnvRef
*/
-class ObjectRef
+class EnvRef
{
private:
- ServerActiveObject *m_object;
+ ServerEnvironment *m_env;
static const char className[];
static const luaL_reg methods[];
- static ObjectRef *checkobject(lua_State *L, int narg)
+ static EnvRef *checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if(!ud) luaL_typerror(L, narg, className);
- return *(ObjectRef**)ud; // unbox pointer
- }
-
- static ServerActiveObject* getobject(ObjectRef *ref)
- {
- ServerActiveObject *co = ref->m_object;
- return co;
- }
-
- static LuaEntitySAO* getluaobject(ObjectRef *ref)
- {
- ServerActiveObject *obj = getobject(ref);
- if(obj == NULL)
- return NULL;
- if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
- return NULL;
- return (LuaEntitySAO*)obj;
- }
-
- static ServerRemotePlayer* getplayer(ObjectRef *ref)
- {
- ServerActiveObject *obj = getobject(ref);
- if(obj == NULL)
- return NULL;
- if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
- return NULL;
- return static_cast<ServerRemotePlayer*>(obj);
+ return *(EnvRef**)ud; // unbox pointer
}
// Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L) {
- ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
- //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
- delete o;
- return 0;
- }
- // remove(self)
- static int l_remove(lua_State *L)
+ // EnvRef:add_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_node(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- infostream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
- co->m_removed = true;
- return 0;
+ //infostream<<"EnvRef::l_add_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // content
+ MapNode n = readnode(L, 3, env->getGameDef()->ndef());
+ // Do it
+ bool succeeded = env->getMap().addNodeWithEvent(pos, n);
+ lua_pushboolean(L, succeeded);
+ return 1;
}
-
- // getpos(self)
- // returns: {x=num, y=num, z=num}
- static int l_getpos(lua_State *L)
+
+ // EnvRef:remove_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_remove_node(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- v3f pos = co->getBasePosition() / BS;
- lua_newtable(L);
- lua_pushnumber(L, pos.X);
- lua_setfield(L, -2, "x");
- lua_pushnumber(L, pos.Y);
- lua_setfield(L, -2, "y");
- lua_pushnumber(L, pos.Z);
- lua_setfield(L, -2, "z");
+ //infostream<<"EnvRef::l_remove_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ bool succeeded = env->getMap().removeNodeWithEvent(pos);
+ lua_pushboolean(L, succeeded);
return 1;
}
-
- // setpos(self, pos)
- static int l_setpos(lua_State *L)
+
+ // EnvRef:get_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- //LuaEntitySAO *co = getluaobject(ref);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
+ //infostream<<"EnvRef::l_get_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
// pos
- v3f pos = readFloatPos(L, 2);
+ v3s16 pos = read_v3s16(L, 2);
// Do it
- co->setPos(pos);
- return 0;
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
}
-
- // moveto(self, pos, continuous=false)
- static int l_moveto(lua_State *L)
+
+ // EnvRef:get_node_or_nil(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node_or_nil(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- //LuaEntitySAO *co = getluaobject(ref);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
+ //infostream<<"EnvRef::l_get_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
// pos
- v3f pos = readFloatPos(L, 2);
- // continuous
- bool continuous = lua_toboolean(L, 3);
+ v3s16 pos = read_v3s16(L, 2);
// Do it
- co->moveTo(pos, continuous);
- return 0;
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
}
- // punch(self, puncher); puncher = an another ObjectRef
- static int l_punch(lua_State *L)
+ // EnvRef:get_node_light(pos, timeofday)
+ // pos = {x=num, y=num, z=num}
+ // timeofday: nil = current time, 0 = night, 0.5 = day
+ static int l_get_node_light(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ObjectRef *ref2 = checkobject(L, 2);
- ServerActiveObject *co = getobject(ref);
- ServerActiveObject *co2 = getobject(ref2);
- if(co == NULL) return 0;
- if(co2 == NULL) return 0;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
// Do it
- co->punch(co2);
- return 0;
+ v3s16 pos = read_v3s16(L, 2);
+ u32 time_of_day = env->getTimeOfDay();
+ if(lua_isnumber(L, 3))
+ time_of_day = 24000.0 * lua_tonumber(L, 3);
+ time_of_day %= 24000;
+ u32 dnr = time_to_daynight_ratio(time_of_day);
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+ lua_pushinteger(L, n.getLightBlend(dnr, ndef));
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
}
- // right_click(self, clicker); clicker = an another ObjectRef
- static int l_right_click(lua_State *L)
+ // EnvRef:add_entity(pos, entityname)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_entity(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ObjectRef *ref2 = checkobject(L, 2);
- ServerActiveObject *co = getobject(ref);
- ServerActiveObject *co2 = getobject(ref2);
- if(co == NULL) return 0;
- if(co2 == NULL) return 0;
+ //infostream<<"EnvRef::l_add_entity()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // content
+ const char *name = luaL_checkstring(L, 3);
// Do it
- co->rightClick(co2);
+ ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
+ env->addActiveObject(obj);
return 0;
}
- // get_wield_digging_properties(self)
- static int l_get_wield_digging_properties(lua_State *L)
+ // EnvRef:add_item(pos, inventorystring)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_item(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
+ infostream<<"EnvRef::l_add_item()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // inventorystring
+ const char *inventorystring = luaL_checkstring(L, 3);
// Do it
- ToolDiggingProperties prop;
- co->getWieldDiggingProperties(&prop);
- push_tool_digging_properties(L, prop);
- return 1;
+ ServerActiveObject *obj = new ItemSAO(env, pos, inventorystring);
+ env->addActiveObject(obj);
+ return 0;
}
- // damage_wielded_item(self, amount)
- static int l_damage_wielded_item(lua_State *L)
+ // EnvRef:add_rat(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_rat(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
+ infostream<<"EnvRef::l_add_rat()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
// Do it
- int amount = lua_tonumber(L, 2);
- co->damageWieldedItem(amount);
+ ServerActiveObject *obj = new RatSAO(env, pos);
+ env->addActiveObject(obj);
return 0;
}
- // add_to_inventory(self, itemstring)
- // returns: true if item was added, (false, "reason") otherwise
- static int l_add_to_inventory(lua_State *L)
+ // EnvRef:add_firefly(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_firefly(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- luaL_checkstring(L, 2);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // itemstring
- const char *itemstring = luaL_checkstring(L, 2);
- infostream<<"ObjectRef::l_add_to_inventory(): id="<<co->getId()
- <<" itemstring=\""<<itemstring<<"\""<<std::endl;
+ infostream<<"EnvRef::l_add_firefly()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
// Do it
- std::istringstream is(itemstring, std::ios::binary);
- ServerEnvironment *env = co->getEnv();
- assert(env);
- IGameDef *gamedef = env->getGameDef();
- try{
- InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
- if(item->getCount() == 0)
- item->setCount(1);
- bool added = co->addToInventory(item);
- // Return
- lua_pushboolean(L, added);
- if(!added)
- lua_pushstring(L, "failed to add item");
- return 2;
- } catch(SerializationError &e){
- // Return
- lua_pushboolean(L, false);
- lua_pushstring(L, (std::string("Invalid item: ")
- + e.what()).c_str());
- return 2;
- }
+ ServerActiveObject *obj = new FireflySAO(env, pos);
+ env->addActiveObject(obj);
+ return 0;
}
- // add_to_inventory_later(self, itemstring)
- // returns: nil
- static int l_add_to_inventory_later(lua_State *L)
+ // EnvRef:get_meta(pos)
+ static int l_get_meta(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- luaL_checkstring(L, 2);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // itemstring
- const char *itemstring = luaL_checkstring(L, 2);
- infostream<<"ObjectRef::l_add_to_inventory_later(): id="<<co->getId()
- <<" itemstring=\""<<itemstring<<"\""<<std::endl;
+ //infostream<<"EnvRef::l_get_meta()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
// Do it
- std::istringstream is(itemstring, std::ios::binary);
- ServerEnvironment *env = co->getEnv();
- assert(env);
- IGameDef *gamedef = env->getGameDef();
- InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
- infostream<<"item="<<env<<std::endl;
- co->addToInventoryLater(item);
- // Return
- return 0;
+ v3s16 p = read_v3s16(L, 2);
+ NodeMetaRef::create(L, p, env);
+ return 1;
}
- // set_hp(self, hp)
- // hp = number of hitpoints (2 * number of hearts)
- // returns: nil
- static int l_set_hp(lua_State *L)
+ // EnvRef:get_player_by_name(name)
+ static int l_get_player_by_name(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- luaL_checknumber(L, 2);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- int hp = lua_tonumber(L, 2);
- infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
- <<" hp="<<hp<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
// Do it
- co->setHP(hp);
- // Return
- return 0;
+ const char *name = luaL_checkstring(L, 2);
+ ServerRemotePlayer *player =
+ static_cast<ServerRemotePlayer*>(env->getPlayer(name));
+ if(player == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // Put player on stack
+ objectref_get_or_create(L, player);
+ return 1;
}
- // get_hp(self)
- // returns: number of hitpoints (2 * number of hearts)
- // 0 if not applicable to this type of object
- static int l_get_hp(lua_State *L)
+ // EnvRef:get_objects_inside_radius(pos, radius)
+ static int l_get_objects_inside_radius(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- int hp = co->getHP();
- infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
- <<" hp="<<hp<<std::endl;
- // Return
- lua_pushnumber(L, hp);
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ // Get environemnt
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3f pos = checkFloatPos(L, 2);
+ float radius = luaL_checknumber(L, 3) * BS;
+ std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(std::set<u16>::const_iterator
+ i = ids.begin(); i != ids.end(); i++){
+ ServerActiveObject *obj = env->getActiveObject(*i);
+ // Insert object reference into table
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ objectref_get_or_create(L, obj);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
return 1;
}
- /* LuaEntitySAO-only */
-
- // setvelocity(self, {x=num, y=num, z=num})
- static int l_setvelocity(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // Do it
- co->setVelocity(pos);
+ static int gc_object(lua_State *L) {
+ EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
+ delete o;
return 0;
}
-
- // setacceleration(self, {x=num, y=num, z=num})
- static int l_setacceleration(lua_State *L)
+
+public:
+ EnvRef(ServerEnvironment *env):
+ m_env(env)
{
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // Do it
- co->setAcceleration(pos);
- return 0;
+ infostream<<"EnvRef created"<<std::endl;
}
-
- // getacceleration(self)
- static int l_getacceleration(lua_State *L)
+
+ ~EnvRef()
{
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- v3f v = co->getAcceleration();
- pushFloatPos(L, v);
- return 1;
+ infostream<<"EnvRef destructing"<<std::endl;
}
-
- // settexturemod(self, mod)
- static int l_settexturemod(lua_State *L)
+
+ // Creates an EnvRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, ServerEnvironment *env)
{
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- std::string mod = luaL_checkstring(L, 2);
- co->setTextureMod(mod);
- return 0;
+ EnvRef *o = new EnvRef(env);
+ //infostream<<"EnvRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
}
-
- // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
- // select_horiz_by_yawpitch=false)
- static int l_setsprite(lua_State *L)
+
+ static void set_null(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- v2s16 p(0,0);
- if(!lua_isnil(L, 2))
- p = read_v2s16(L, 2);
- int num_frames = 1;
- if(!lua_isnil(L, 3))
- num_frames = lua_tonumber(L, 3);
- float framelength = 0.2;
- if(!lua_isnil(L, 4))
- framelength = lua_tonumber(L, 4);
- bool select_horiz_by_yawpitch = false;
- if(!lua_isnil(L, 5))
- select_horiz_by_yawpitch = lua_toboolean(L, 5);
- co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
- return 0;
+ EnvRef *o = checkobject(L, -1);
+ o->m_env = NULL;
}
-
- /* Player-only */
- // get_player_name(self)
- static int l_get_player_name(lua_State *L)
+ static void Register(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL){
- lua_pushnil(L);
- return 1;
- }
- // Do it
- lua_pushstring(L, player->getName());
- return 1;
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
}
+};
+const char EnvRef::className[] = "EnvRef";
+const luaL_reg EnvRef::methods[] = {
+ method(EnvRef, add_node),
+ method(EnvRef, remove_node),
+ method(EnvRef, get_node),
+ method(EnvRef, get_node_or_nil),
+ method(EnvRef, get_node_light),
+ method(EnvRef, add_entity),
+ method(EnvRef, add_item),
+ method(EnvRef, add_rat),
+ method(EnvRef, add_firefly),
+ method(EnvRef, get_meta),
+ method(EnvRef, get_player_by_name),
+ method(EnvRef, get_objects_inside_radius),
+ {0,0}
+};
+
+/*
+ Global functions
+*/
+
+static int l_register_nodedef_defaults(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+
+ lua_pushvalue(L, 1); // Explicitly put parameter 1 on top of stack
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
+
+ return 0;
+}
+
+// Register new object prototype
+// register_entity(name, prototype)
+static int l_register_entity(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_entity: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+
+ // Get minetest.registered_entities
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_entities");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_entities = lua_gettop(L);
+ lua_pushvalue(L, 2); // Object = param 2 -> stack top
+ // registered_entities[name] = object
+ lua_setfield(L, registered_entities, name.c_str());
- // inventory_set_list(self, name, {item1, item2, ...})
- static int l_inventory_set_list(lua_State *L)
+ // Get registered object to top of stack
+ lua_pushvalue(L, 2);
+
+ // Set __index to point to itself
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+
+ // Set metatable.__index = metatable
+ luaL_getmetatable(L, "minetest.entity");
+ lua_pushvalue(L, -1); // duplicate metatable
+ lua_setfield(L, -2, "__index");
+ // Set object metatable
+ lua_setmetatable(L, -2);
+
+ return 0; /* number of results */
+}
+
+class LuaABM : public ActiveBlockModifier
+{
+private:
+ lua_State *m_lua;
+ int m_id;
+
+ std::set<std::string> m_trigger_contents;
+ std::set<std::string> m_required_neighbors;
+ float m_trigger_interval;
+ u32 m_trigger_chance;
+public:
+ LuaABM(lua_State *L, int id,
+ const std::set<std::string> &trigger_contents,
+ const std::set<std::string> &required_neighbors,
+ float trigger_interval, u32 trigger_chance):
+ m_lua(L),
+ m_id(id),
+ m_trigger_contents(trigger_contents),
+ m_required_neighbors(required_neighbors),
+ m_trigger_interval(trigger_interval),
+ m_trigger_chance(trigger_chance)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- const char *name = luaL_checkstring(L, 2);
- // Do it
- inventory_set_list_from_lua(&player->inventory, name, L, 3,
- player->getEnv()->getGameDef(), PLAYER_INVENTORY_SIZE);
- player->m_inventory_not_sent = true;
- return 0;
}
-
- // inventory_get_list(self, name)
- static int l_inventory_get_list(lua_State *L)
+ virtual std::set<std::string> getTriggerContents()
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- const char *name = luaL_checkstring(L, 2);
- // Do it
- inventory_get_list_to_lua(&player->inventory, name, L);
- return 1;
+ return m_trigger_contents;
}
-
- // get_wielded_itemstring(self)
- static int l_get_wielded_itemstring(lua_State *L)
+ virtual std::set<std::string> getRequiredNeighbors()
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- InventoryItem *item = player->getWieldedItem();
- if(item == NULL){
- lua_pushnil(L);
- return 1;
- }
- lua_pushstring(L, item->getItemString().c_str());
- return 1;
+ return m_required_neighbors;
}
-
- // get_wielded_item(self)
- static int l_get_wielded_item(lua_State *L)
+ virtual float getTriggerInterval()
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- InventoryItem *item0 = player->getWieldedItem();
- push_stack_item(L, item0);
- return 1;
+ return m_trigger_interval;
}
-
- // get_look_dir(self)
- static int l_get_look_dir(lua_State *L)
+ virtual u32 getTriggerChance()
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- float pitch = player->getRadPitch();
- float yaw = player->getRadYaw();
- v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw));
- push_v3f(L, v);
- return 1;
+ return m_trigger_chance;
}
+ virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
+ u32 active_object_count, u32 active_object_count_wider)
+ {
+ lua_State *L = m_lua;
+
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ // Get minetest.registered_abms[m_id]
+ lua_pushnumber(L, m_id);
+ lua_gettable(L, registered_abms);
+ if(lua_isnil(L, -1))
+ assert(0);
+
+ // Call action
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, "action");
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ push_v3s16(L, p);
+ pushnode(L, n, env->getGameDef()->ndef());
+ lua_pushnumber(L, active_object_count);
+ lua_pushnumber(L, active_object_count_wider);
+ if(lua_pcall(L, 4, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+};
+
+// register_abm({...})
+static int l_register_abm(lua_State *L)
+{
+ //infostream<<"register_abm"<<std::endl;
+ luaL_checktype(L, 1, LUA_TTABLE);
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ int id = 1;
+ // Find free id
+ for(;;){
+ lua_pushnumber(L, id);
+ lua_gettable(L, registered_abms);
+ if(lua_isnil(L, -1))
+ break;
+ lua_pop(L, 1);
+ id++;
+ }
+ lua_pop(L, 1);
+
+ infostream<<"register_abm: id="<<id<<std::endl;
+
+ // registered_abms[id] = spec
+ lua_pushnumber(L, id);
+ lua_pushvalue(L, 1);
+ lua_settable(L, registered_abms);
+
+ return 0; /* number of results */
+}
+
+// register_tool(name, {lots of stuff})
+static int l_register_tool(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_tool: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int table = 2;
+
+ // Get the writable tool definition manager from the server
+ IWritableToolDefManager *tooldef =
+ get_server(L)->getWritableToolDefManager();
+
+ ToolDefinition def = read_tool_definition(L, table);
+
+ tooldef->registerTool(name, def);
+ return 0; /* number of results */
+}
+
+// register_craftitem(name, {lots of stuff})
+static int l_register_craftitem(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_craftitem: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int table = 2;
+
+ // Get the writable CraftItem definition manager from the server
+ IWritableCraftItemDefManager *craftitemdef =
+ get_server(L)->getWritableCraftItemDefManager();
+
+ // Check if on_drop is defined
+ lua_getfield(L, table, "on_drop");
+ bool got_on_drop = !lua_isnil(L, -1);
+ lua_pop(L, 1);
+
+ // Check if on_use is defined
+ lua_getfield(L, table, "on_use");
+ bool got_on_use = !lua_isnil(L, -1);
+ lua_pop(L, 1);
+
+ CraftItemDefinition def;
+
+ getstringfield(L, table, "image", def.imagename);
+ getstringfield(L, table, "cookresult_itemstring", def.cookresult_item);
+ getfloatfield(L, table, "furnace_cooktime", def.furnace_cooktime);
+ getfloatfield(L, table, "furnace_burntime", def.furnace_burntime);
+ def.usable = getboolfield_default(L, table, "usable", got_on_use);
+ getboolfield(L, table, "liquids_pointable", def.liquids_pointable);
+ def.dropcount = getintfield_default(L, table, "dropcount", def.dropcount);
+ def.stack_max = getintfield_default(L, table, "stack_max", def.stack_max);
+
+ // If an on_drop callback is defined, force dropcount to 1
+ if (got_on_drop)
+ def.dropcount = 1;
+
+ // Register it
+ craftitemdef->registerCraftItem(name, def);
+
+ lua_pushvalue(L, table);
+ scriptapi_add_craftitem(L, name.c_str());
+
+ return 0; /* number of results */
+}
+
+// register_node(name, {lots of stuff})
+static int l_register_node(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_node: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int nodedef_table = 2;
+
+ // Get the writable node definition manager from the server
+ IWritableNodeDefManager *nodedef =
+ get_server(L)->getWritableNodeDefManager();
+
+ // Get default node definition from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
+ int nodedef_default = lua_gettop(L);
+
+ /*
+ Add to minetest.registered_nodes with default as metatable
+ */
+
+ // Get the node definition table given as parameter
+ lua_pushvalue(L, nodedef_table);
+
+ // Set __index to point to itself
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+
+ // Set nodedef_default as metatable for the definition
+ lua_pushvalue(L, nodedef_default);
+ lua_setmetatable(L, nodedef_table);
+
+ // minetest.registered_nodes[name] = nodedef
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_nodes");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushstring(L, name.c_str());
+ lua_pushvalue(L, nodedef_table);
+ lua_settable(L, -3);
+
+ /*
+ Create definition
+ */
+
+ ContentFeatures f;
+
+ // Default to getting the corresponding NodeItem when dug
+ f.dug_item = std::string("NodeItem \"")+name+"\" 1";
+
+ // Default to unknown_block.png as all textures
+ f.setAllTextures("unknown_block.png");
+
+ /*
+ Read definiton from Lua
+ */
+
+ f.name = name;
+
+ /* Visual definition */
- // get_look_pitch(self)
- static int l_get_look_pitch(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- lua_pushnumber(L, player->getRadPitch());
- return 1;
- }
+ f.drawtype = (NodeDrawType)getenumfield(L, nodedef_table, "drawtype", es_DrawType,
+ NDT_NORMAL);
+ getfloatfield(L, nodedef_table, "visual_scale", f.visual_scale);
- // get_look_yaw(self)
- static int l_get_look_yaw(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- lua_pushnumber(L, player->getRadYaw());
- return 1;
+ lua_getfield(L, nodedef_table, "tile_images");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ if(lua_isstring(L, -1))
+ f.tname_tiles[i] = lua_tostring(L, -1);
+ else
+ f.tname_tiles[i] = "";
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
+ }
+ // Copy last value to all remaining textures
+ if(i >= 1){
+ std::string lastname = f.tname_tiles[i-1];
+ while(i < 6){
+ f.tname_tiles[i] = lastname;
+ i++;
+ }
+ }
}
+ lua_pop(L, 1);
-public:
- ObjectRef(ServerActiveObject *object):
- m_object(object)
- {
- //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
- }
+ getstringfield(L, nodedef_table, "inventory_image", f.tname_inventory);
- ~ObjectRef()
- {
- /*if(m_object)
- infostream<<"ObjectRef destructing for id="
- <<m_object->getId()<<std::endl;
- else
- infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
+ lua_getfield(L, nodedef_table, "special_materials");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ int smtable = lua_gettop(L);
+ std::string tname = getstringfield_default(
+ L, smtable, "image", "");
+ bool backface_culling = getboolfield_default(
+ L, smtable, "backface_culling", true);
+ MaterialSpec mspec(tname, backface_culling);
+ f.setSpecialMaterial(i, mspec);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
+ }
}
+ lua_pop(L, 1);
- // Creates an ObjectRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, ServerActiveObject *object)
- {
- ObjectRef *o = new ObjectRef(object);
- //infostream<<"ObjectRef::create: o="<<o<<std::endl;
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
+ f.alpha = getintfield_default(L, nodedef_table, "alpha", 255);
- static void set_null(lua_State *L)
- {
- ObjectRef *o = checkobject(L, -1);
- o->m_object = NULL;
- }
+ /* Other stuff */
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+ lua_getfield(L, nodedef_table, "post_effect_color");
+ if(!lua_isnil(L, -1))
+ f.post_effect_color = readARGB8(L, -1);
+ lua_pop(L, 1);
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
+ f.param_type = (ContentParamType)getenumfield(L, nodedef_table, "paramtype",
+ es_ContentParamType, CPT_NONE);
+
+ // True for all ground-like things like stone and mud, false for eg. trees
+ getboolfield(L, nodedef_table, "is_ground_content", f.is_ground_content);
+ f.light_propagates = (f.param_type == CPT_LIGHT);
+ warn_if_field_exists(L, nodedef_table, "light_propagates",
+ "deprecated: determined from paramtype");
+ getboolfield(L, nodedef_table, "sunlight_propagates", f.sunlight_propagates);
+ // This is used for collision detection.
+ // Also for general solidness queries.
+ getboolfield(L, nodedef_table, "walkable", f.walkable);
+ // Player can point to these
+ getboolfield(L, nodedef_table, "pointable", f.pointable);
+ // Player can dig these
+ getboolfield(L, nodedef_table, "diggable", f.diggable);
+ // Player can climb these
+ getboolfield(L, nodedef_table, "climbable", f.climbable);
+ // Player can build on these
+ getboolfield(L, nodedef_table, "buildable_to", f.buildable_to);
+ // If true, param2 is set to direction when placed. Used for torches.
+ // NOTE: the direction format is quite inefficient and should be changed
+ getboolfield(L, nodedef_table, "wall_mounted", f.wall_mounted);
+ // Whether this content type often contains mineral.
+ // Used for texture atlas creation.
+ // Currently only enabled for CONTENT_STONE.
+ getboolfield(L, nodedef_table, "often_contains_mineral", f.often_contains_mineral);
+ // Inventory item string as which the node appears in inventory when dug.
+ // Mineral overrides this.
+ getstringfield(L, nodedef_table, "dug_item", f.dug_item);
+ // Extra dug item and its rarity
+ getstringfield(L, nodedef_table, "extra_dug_item", f.extra_dug_item);
+ // Usual get interval for extra dug item
+ getintfield(L, nodedef_table, "extra_dug_item_rarity", f.extra_dug_item_rarity);
+ // Metadata name of node (eg. "furnace")
+ getstringfield(L, nodedef_table, "metadata_name", f.metadata_name);
+ // Whether the node is non-liquid, source liquid or flowing liquid
+ f.liquid_type = (LiquidType)getenumfield(L, nodedef_table, "liquidtype",
+ es_LiquidType, LIQUID_NONE);
+ // If the content is liquid, this is the flowing version of the liquid.
+ getstringfield(L, nodedef_table, "liquid_alternative_flowing",
+ f.liquid_alternative_flowing);
+ // If the content is liquid, this is the source version of the liquid.
+ getstringfield(L, nodedef_table, "liquid_alternative_source",
+ f.liquid_alternative_source);
+ // Viscosity for fluid flow, ranging from 1 to 7, with
+ // 1 giving almost instantaneous propagation and 7 being
+ // the slowest possible
+ f.liquid_viscosity = getintfield_default(L, nodedef_table,
+ "liquid_viscosity", f.liquid_viscosity);
+ // Amount of light the node emits
+ f.light_source = getintfield_default(L, nodedef_table,
+ "light_source", f.light_source);
+ f.damage_per_second = getintfield_default(L, nodedef_table,
+ "damage_per_second", f.damage_per_second);
+
+ lua_getfield(L, nodedef_table, "selection_box");
+ if(lua_istable(L, -1)){
+ f.selection_box.type = (NodeBoxType)getenumfield(L, -1, "type",
+ es_NodeBoxType, NODEBOX_REGULAR);
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
+ lua_getfield(L, -1, "fixed");
+ if(lua_istable(L, -1))
+ f.selection_box.fixed = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
- lua_pop(L, 1); // drop metatable
+ lua_getfield(L, -1, "wall_top");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_top = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
+ lua_getfield(L, -1, "wall_bottom");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_bottom = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
+ lua_getfield(L, -1, "wall_side");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_side = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
}
-};
-const char ObjectRef::className[] = "ObjectRef";
-const luaL_reg ObjectRef::methods[] = {
- // ServerActiveObject
- method(ObjectRef, remove),
- method(ObjectRef, getpos),
- method(ObjectRef, setpos),
- method(ObjectRef, moveto),
- method(ObjectRef, punch),
- method(ObjectRef, right_click),
- method(ObjectRef, get_wield_digging_properties),
- method(ObjectRef, damage_wielded_item),
- method(ObjectRef, add_to_inventory),
- method(ObjectRef, add_to_inventory_later),
- method(ObjectRef, set_hp),
- method(ObjectRef, get_hp),
- // LuaEntitySAO-only
- method(ObjectRef, setvelocity),
- method(ObjectRef, setacceleration),
- method(ObjectRef, getacceleration),
- method(ObjectRef, settexturemod),
- method(ObjectRef, setsprite),
- // Player-only
- method(ObjectRef, get_player_name),
- method(ObjectRef, inventory_set_list),
- method(ObjectRef, inventory_get_list),
- method(ObjectRef, get_wielded_itemstring),
- method(ObjectRef, get_wielded_item),
- method(ObjectRef, get_look_dir),
- method(ObjectRef, get_look_pitch),
- method(ObjectRef, get_look_yaw),
- {0,0}
-};
+ lua_pop(L, 1);
-// Creates a new anonymous reference if id=0
-static void objectref_get_or_create(lua_State *L,
- ServerActiveObject *cobj)
-{
- if(cobj->getId() == 0){
- ObjectRef::create(L, cobj);
- } else {
- objectref_get(L, cobj->getId());
+ lua_getfield(L, nodedef_table, "material");
+ if(lua_istable(L, -1)){
+ f.material.diggability = (Diggability)getenumfield(L, -1, "diggability",
+ es_Diggability, DIGGABLE_NORMAL);
+
+ getfloatfield(L, -1, "constant_time", f.material.constant_time);
+ getfloatfield(L, -1, "weight", f.material.weight);
+ getfloatfield(L, -1, "crackiness", f.material.crackiness);
+ getfloatfield(L, -1, "crumbliness", f.material.crumbliness);
+ getfloatfield(L, -1, "cuttability", f.material.cuttability);
+ getfloatfield(L, -1, "flammability", f.material.flammability);
}
-}
+ lua_pop(L, 1);
-/*
- EnvRef
-*/
+ getstringfield(L, nodedef_table, "cookresult_itemstring", f.cookresult_item);
+ getfloatfield(L, nodedef_table, "furnace_cooktime", f.furnace_cooktime);
+ getfloatfield(L, nodedef_table, "furnace_burntime", f.furnace_burntime);
+
+ /*
+ Register it
+ */
+
+ nodedef->set(name, f);
+
+ return 0; /* number of results */
+}
-class EnvRef
+// alias_node(name, convert_to_name)
+static int l_alias_node(lua_State *L)
{
-private:
- ServerEnvironment *m_env;
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
- static const char className[];
- static const luaL_reg methods[];
+ // Get the writable node definition manager from the server
+ IWritableNodeDefManager *nodedef =
+ get_server(L)->getWritableNodeDefManager();
+
+ nodedef->setAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
- static EnvRef *checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(EnvRef**)ud; // unbox pointer
- }
+// alias_tool(name, convert_to_name)
+static int l_alias_tool(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get the writable tool definition manager from the server
+ IWritableToolDefManager *tooldef =
+ get_server(L)->getWritableToolDefManager();
- // Exported functions
+ tooldef->setAlias(name, convert_to);
- // EnvRef:add_node(pos, node)
- // pos = {x=num, y=num, z=num}
- static int l_add_node(lua_State *L)
- {
- //infostream<<"EnvRef::l_add_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = readpos(L, 2);
- // content
- MapNode n = readnode(L, 3, env->getGameDef()->ndef());
- // Do it
- bool succeeded = env->getMap().addNodeWithEvent(pos, n);
- lua_pushboolean(L, succeeded);
- return 1;
- }
+ return 0; /* number of results */
+}
- // EnvRef:remove_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_remove_node(lua_State *L)
- {
- //infostream<<"EnvRef::l_remove_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = readpos(L, 2);
- // Do it
- bool succeeded = env->getMap().removeNodeWithEvent(pos);
- lua_pushboolean(L, succeeded);
- return 1;
- }
+// alias_craftitem(name, convert_to_name)
+static int l_alias_craftitem(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
- // EnvRef:get_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_get_node(lua_State *L)
- {
- //infostream<<"EnvRef::l_get_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = readpos(L, 2);
- // Do it
- MapNode n = env->getMap().getNodeNoEx(pos);
- // Return node
- pushnode(L, n, env->getGameDef()->ndef());
- return 1;
- }
+ // Get the writable CraftItem definition manager from the server
+ IWritableCraftItemDefManager *craftitemdef =
+ get_server(L)->getWritableCraftItemDefManager();
+
+ craftitemdef->setAlias(name, convert_to);
- // EnvRef:get_node_or_nil(pos)
- // pos = {x=num, y=num, z=num}
- static int l_get_node_or_nil(lua_State *L)
- {
- //infostream<<"EnvRef::l_get_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = readpos(L, 2);
- // Do it
- try{
- MapNode n = env->getMap().getNode(pos);
- // Return node
- pushnode(L, n, env->getGameDef()->ndef());
- return 1;
- } catch(InvalidPositionException &e)
- {
- lua_pushnil(L);
- return 1;
- }
- }
+ return 0; /* number of results */
+}
- // EnvRef:get_node_light(pos, timeofday)
- // pos = {x=num, y=num, z=num}
- // timeofday: nil = current time, 0 = night, 0.5 = day
- static int l_get_node_light(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- v3s16 pos = readpos(L, 2);
- u32 time_of_day = env->getTimeOfDay();
- if(lua_isnumber(L, 3))
- time_of_day = 24000.0 * lua_tonumber(L, 3);
- time_of_day %= 24000;
- u32 dnr = time_to_daynight_ratio(time_of_day);
- MapNode n = env->getMap().getNodeNoEx(pos);
- try{
- MapNode n = env->getMap().getNode(pos);
- INodeDefManager *ndef = env->getGameDef()->ndef();
- lua_pushinteger(L, n.getLightBlend(dnr, ndef));
- return 1;
- } catch(InvalidPositionException &e)
- {
- lua_pushnil(L);
- return 1;
- }
- }
+// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
+static int l_register_craft(lua_State *L)
+{
+ //infostream<<"register_craft"<<std::endl;
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int table0 = 1;
- // EnvRef:add_entity(pos, entityname)
- // pos = {x=num, y=num, z=num}
- static int l_add_entity(lua_State *L)
- {
- //infostream<<"EnvRef::l_add_entity()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // content
- const char *name = luaL_checkstring(L, 3);
- // Do it
- ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
- env->addActiveObject(obj);
- return 0;
- }
+ // Get the writable craft definition manager from the server
+ IWritableCraftDefManager *craftdef =
+ get_server(L)->getWritableCraftDefManager();
+
+ std::string output;
+ int width = 0;
+ std::vector<std::string> input;
- // EnvRef:add_item(pos, inventorystring)
- // pos = {x=num, y=num, z=num}
- static int l_add_item(lua_State *L)
- {
- infostream<<"EnvRef::l_add_item()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // inventorystring
- const char *inventorystring = luaL_checkstring(L, 3);
- // Do it
- ServerActiveObject *obj = new ItemSAO(env, pos, inventorystring);
- env->addActiveObject(obj);
- return 0;
- }
+ lua_getfield(L, table0, "output");
+ luaL_checktype(L, -1, LUA_TSTRING);
+ if(lua_isstring(L, -1))
+ output = lua_tostring(L, -1);
+ lua_pop(L, 1);
- // EnvRef:add_rat(pos)
- // pos = {x=num, y=num, z=num}
- static int l_add_rat(lua_State *L)
- {
- infostream<<"EnvRef::l_add_rat()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // Do it
- ServerActiveObject *obj = new RatSAO(env, pos);
- env->addActiveObject(obj);
- return 0;
+ lua_getfield(L, table0, "recipe");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ if(lua_istable(L, -1)){
+ int table1 = lua_gettop(L);
+ lua_pushnil(L);
+ int rowcount = 0;
+ while(lua_next(L, table1) != 0){
+ int colcount = 0;
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TTABLE);
+ if(lua_istable(L, -1)){
+ int table2 = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table2) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ input.push_back(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ colcount++;
+ }
+ }
+ if(rowcount == 0){
+ width = colcount;
+ } else {
+ if(colcount != width){
+ std::string error;
+ error += "Invalid crafting recipe (output=\""
+ + output + "\")";
+ throw LuaError(L, error);
+ }
+ }
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ rowcount++;
+ }
}
+ lua_pop(L, 1);
- // EnvRef:add_firefly(pos)
- // pos = {x=num, y=num, z=num}
- static int l_add_firefly(lua_State *L)
- {
- infostream<<"EnvRef::l_add_firefly()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // Do it
- ServerActiveObject *obj = new FireflySAO(env, pos);
- env->addActiveObject(obj);
- return 0;
- }
+ CraftDefinition def(output, width, input);
+ craftdef->registerCraft(def);
- // EnvRef:get_meta(pos)
- static int l_get_meta(lua_State *L)
- {
- //infostream<<"EnvRef::l_get_meta()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- v3s16 p = readpos(L, 2);
- NodeMetaRef::create(L, p, env);
- return 1;
- }
+ return 0; /* number of results */
+}
- // EnvRef:get_player_by_name(name)
- static int l_get_player_by_name(lua_State *L)
- {
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- const char *name = luaL_checkstring(L, 2);
- ServerRemotePlayer *player =
- static_cast<ServerRemotePlayer*>(env->getPlayer(name));
- if(player == NULL){
- lua_pushnil(L);
- return 1;
- }
- // Put player on stack
- objectref_get_or_create(L, player);
- return 1;
+// setting_get(name)
+static int l_setting_get(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ std::string value = g_settings->get(name);
+ lua_pushstring(L, value.c_str());
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
}
+ return 1;
+}
- // EnvRef:get_objects_inside_radius(pos, radius)
- static int l_get_objects_inside_radius(lua_State *L)
- {
- // Get the table insert function
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- // Get environemnt
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // Do it
- v3f pos = readFloatPos(L, 2);
- float radius = luaL_checknumber(L, 3) * BS;
- std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
- lua_newtable(L);
- int table = lua_gettop(L);
- for(std::set<u16>::const_iterator
- i = ids.begin(); i != ids.end(); i++){
- ServerActiveObject *obj = env->getActiveObject(*i);
- // Insert object reference into table
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, table);
- objectref_get_or_create(L, obj);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
- return 1;
+// setting_getbool(name)
+static int l_setting_getbool(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ bool value = g_settings->getBool(name);
+ lua_pushboolean(L, value);
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
}
+ return 1;
+}
- static int gc_object(lua_State *L) {
- EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
+// chat_send_all(text)
+static int l_chat_send_all(lua_State *L)
+{
+ const char *text = luaL_checkstring(L, 1);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Send
+ server->notifyPlayers(narrow_to_wide(text));
+ return 0;
+}
-public:
- EnvRef(ServerEnvironment *env):
- m_env(env)
- {
- infostream<<"EnvRef created"<<std::endl;
- }
+// chat_send_player(name, text)
+static int l_chat_send_player(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ const char *text = luaL_checkstring(L, 2);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Send
+ server->notifyPlayer(name, narrow_to_wide(text));
+ return 0;
+}
- ~EnvRef()
- {
- infostream<<"EnvRef destructing"<<std::endl;
+// get_player_privs(name, text)
+static int l_get_player_privs(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Do it
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ u64 privs_i = server->getPlayerAuthPrivs(name);
+ // Special case for the "name" setting (local player / server owner)
+ if(name == g_settings->get("name"))
+ privs_i = PRIV_ALL;
+ std::set<std::string> privs_s = privsToSet(privs_i);
+ for(std::set<std::string>::const_iterator
+ i = privs_s.begin(); i != privs_s.end(); i++){
+ lua_pushboolean(L, true);
+ lua_setfield(L, table, i->c_str());
}
+ lua_pushvalue(L, table);
+ return 1;
+}
- // Creates an EnvRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, ServerEnvironment *env)
- {
- EnvRef *o = new EnvRef(env);
- //infostream<<"EnvRef::create: o="<<o<<std::endl;
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
+// get_inventory(location)
+static int l_get_inventory(lua_State *L)
+{
+ InventoryLocation loc;
- static void set_null(lua_State *L)
- {
- EnvRef *o = checkobject(L, -1);
- o->m_env = NULL;
+ std::string type = checkstringfield(L, 1, "type");
+ if(type == "player"){
+ std::string name = checkstringfield(L, 1, "name");
+ loc.setPlayer(name);
+ } else if(type == "node"){
+ lua_getfield(L, 1, "pos");
+ v3s16 pos = check_v3s16(L, -1);
+ loc.setNodeMeta(pos);
}
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
-
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
+ if(get_server(L)->getInventory(loc) != NULL)
+ InvRef::create(L, loc);
+ else
+ lua_pushnil(L);
+ return 1;
+}
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
+// get_modpath(modname)
+static int l_get_modpath(lua_State *L)
+{
+ const char *modname = luaL_checkstring(L, 1);
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // Do it
+ const ModSpec *mod = server->getModSpec(modname);
+ if(!mod){
+ lua_pushnil(L);
+ return 1;
+ }
+ lua_pushstring(L, mod->path.c_str());
+ return 1;
+}
- lua_pop(L, 1); // drop metatable
+static const struct luaL_Reg minetest_f [] = {
+ {"register_nodedef_defaults", l_register_nodedef_defaults},
+ {"register_entity", l_register_entity},
+ {"register_tool", l_register_tool},
+ {"register_craftitem", l_register_craftitem},
+ {"register_node", l_register_node},
+ {"register_craft", l_register_craft},
+ {"register_abm", l_register_abm},
+ {"alias_node", l_alias_node},
+ {"alias_tool", l_alias_tool},
+ {"alias_craftitem", l_alias_craftitem},
+ {"setting_get", l_setting_get},
+ {"setting_getbool", l_setting_getbool},
+ {"chat_send_all", l_chat_send_all},
+ {"chat_send_player", l_chat_send_player},
+ {"get_player_privs", l_get_player_privs},
+ {"get_inventory", l_get_inventory},
+ {"get_modpath", l_get_modpath},
+ {NULL, NULL}
+};
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
+/*
+ LuaEntity functions
+*/
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
- }
-};
-const char EnvRef::className[] = "EnvRef";
-const luaL_reg EnvRef::methods[] = {
- method(EnvRef, add_node),
- method(EnvRef, remove_node),
- method(EnvRef, get_node),
- method(EnvRef, get_node_or_nil),
- method(EnvRef, get_node_light),
- method(EnvRef, add_entity),
- method(EnvRef, add_item),
- method(EnvRef, add_rat),
- method(EnvRef, add_firefly),
- method(EnvRef, get_meta),
- method(EnvRef, get_player_by_name),
- method(EnvRef, get_objects_inside_radius),
- {0,0}
+static const struct luaL_Reg minetest_entity_m [] = {
+ {NULL, NULL}
};
/*
{
lua_pushstring(L, "node");
lua_setfield(L, -2, "type");
- pushpos(L, pointed.node_undersurface);
+ push_v3s16(L, pointed.node_undersurface);
lua_setfield(L, -2, "under");
- pushpos(L, pointed.node_abovesurface);
+ push_v3s16(L, pointed.node_abovesurface);
lua_setfield(L, -2, "above");
}
else if(pointed.type == POINTEDTHING_OBJECT)
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TFUNCTION);
// Call function
- pushpos(L, p);
+ push_v3s16(L, p);
pushnode(L, newnode, ndef);
objectref_get_or_create(L, placer);
if(lua_pcall(L, 3, 0, 0))
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TFUNCTION);
// Call function
- pushpos(L, p);
+ push_v3s16(L, p);
pushnode(L, oldnode, ndef);
objectref_get_or_create(L, digger);
if(lua_pcall(L, 3, 0, 0))
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TFUNCTION);
// Call function
- pushpos(L, p);
+ push_v3s16(L, p);
pushnode(L, node, ndef);
objectref_get_or_create(L, puncher);
if(lua_pcall(L, 3, 0, 0))
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TFUNCTION);
// Call function
- pushpos(L, minp);
- pushpos(L, maxp);
+ push_v3s16(L, minp);
+ push_v3s16(L, maxp);
if(lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
// value removed, keep key for next iteration
projects / zefram / minetest / minetest_engine.git / commitdiff