Allow spawning particles from the server, from lua
authorJeija <norrepli@gmail.com>
Wed, 23 Jan 2013 17:32:02 +0000 (18:32 +0100)
committerPilzAdam <pilzadam@minetest.net>
Sat, 23 Mar 2013 22:16:29 +0000 (23:16 +0100)
Spawn single particles or make use of ParticleSpawner for many randomly spawned particles.
Accessible in Lua using minetest.spawn_particle and minetest.add_particlespawner.
Increase Protocol Version to 17.

Conflicts:
src/clientserver.h

13 files changed:
doc/lua_api.txt
src/CMakeLists.txt
src/client.cpp
src/client.h
src/clientserver.h
src/game.cpp
src/particles.cpp
src/particles.h
src/scriptapi.cpp
src/scriptapi_particles.cpp [new file with mode: 0644]
src/scriptapi_particles.h [new file with mode: 0644]
src/server.cpp
src/server.h

index 3d47785bad4df7354b1c9d6e1ae3453372af2b8f..4edca5adb609fbfb69d35de5eb29c551e508dc12 100644 (file)
@@ -1028,6 +1028,37 @@ minetest.get_ban_description(ip_or_name) -> ban description (string)
 minetest.ban_player(name) -> ban a player
 minetest.unban_player_or_ip(name) -> unban player or IP address
 
+Particles:
+minetest.add_particle(pos, velocity, acceleration, expirationtime,
+       size, collisiondetection, texture, playername)
+^ Spawn particle at pos with velocity and acceleration
+^ Disappears after expirationtime seconds
+^ collisiondetection: if true collides with physical objects
+^ Uses texture (string)
+^ Playername is optional, if specified spawns particle only on the player's client
+
+minetest.add_particlespawner(amount, time,
+       minpos, maxpos,
+       minvel, maxvel,
+       minacc, maxacc,
+       minexptime, maxexptime,
+       minsize, maxsize,
+       collisiondetection, texture, playername)
+^ Add a particlespawner, an object that spawns an amount of particles over time seconds
+^ The particle's properties are random values in between the boundings:
+^ minpos/maxpos, minvel/maxvel (velocity), minacc/maxacc (acceleration),
+^ minsize/maxsize, minexptime/maxexptime (expirationtime)
+^ collisiondetection: if true uses collisiondetection
+^ Uses texture (string)
+^ Playername is optional, if specified spawns particle only on the player's client
+^ If time is 0 has infinite lifespan and spawns the amount on a per-second base
+^ Returns and id
+
+minetest.delete_particlespawner(id, player)
+^ Delete ParticleSpawner with id (return value from add_particlespawner)
+^ If playername is specified, only deletes on the player's client,
+^ otherwise on all clients
+
 Random:
 minetest.get_connected_players() -> list of ObjectRefs
 minetest.hash_node_position({x=,y=,z=}) -> 48-bit integer
index 8c2890f76fccab34eed21a595f40f14d01d31ab0..8f0cc1ac5ab32f773c188003496b13ffb66093a3 100644 (file)
@@ -219,6 +219,7 @@ set(common_SRCS
        scriptapi_object.cpp
        scriptapi_nodemeta.cpp
        scriptapi_inventory.cpp
+       scriptapi_particles.cpp
        scriptapi.cpp
        script.cpp
        log.cpp
index 2ccace8427c3645c3da27a3bdf2396c35e95273e..f27f95d98c2d939d7c8e010e28344f78ec67e90f 100644 (file)
@@ -1936,6 +1936,89 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
                event.show_formspec.formname = new std::string(formname);
                m_client_event_queue.push_back(event);
        }
+       else if(command == TOCLIENT_SPAWN_PARTICLE)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               v3f pos = readV3F1000(is);
+               v3f vel = readV3F1000(is);
+               v3f acc = readV3F1000(is);
+               float expirationtime = readF1000(is);
+               float size = readF1000(is);
+               bool collisiondetection = readU8(is);
+               std::string texture = deSerializeLongString(is);
+
+               ClientEvent event;
+               event.type = CE_SPAWN_PARTICLE;
+               event.spawn_particle.pos = new v3f (pos);
+               event.spawn_particle.vel = new v3f (vel);
+               event.spawn_particle.acc = new v3f (acc);
+
+               event.spawn_particle.expirationtime = expirationtime;
+               event.spawn_particle.size = size;
+               event.add_particlespawner.collisiondetection =
+                               collisiondetection;
+               event.spawn_particle.texture = new std::string(texture);
+
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_ADD_PARTICLESPAWNER)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               u16 amount = readU16(is);
+               float spawntime = readF1000(is);
+               v3f minpos = readV3F1000(is);
+               v3f maxpos = readV3F1000(is);
+               v3f minvel = readV3F1000(is);
+               v3f maxvel = readV3F1000(is);
+               v3f minacc = readV3F1000(is);
+               v3f maxacc = readV3F1000(is);
+               float minexptime = readF1000(is);
+               float maxexptime = readF1000(is);
+               float minsize = readF1000(is);
+               float maxsize = readF1000(is);
+               bool collisiondetection = readU8(is);
+               std::string texture = deSerializeLongString(is);
+               u32 id = readU32(is);
+
+               ClientEvent event;
+               event.type = CE_ADD_PARTICLESPAWNER;
+               event.add_particlespawner.amount = amount;
+               event.add_particlespawner.spawntime = spawntime;
+
+               event.add_particlespawner.minpos = new v3f (minpos);
+               event.add_particlespawner.maxpos = new v3f (maxpos);
+               event.add_particlespawner.minvel = new v3f (minvel);
+               event.add_particlespawner.maxvel = new v3f (maxvel);
+               event.add_particlespawner.minacc = new v3f (minacc);
+               event.add_particlespawner.maxacc = new v3f (maxacc);
+
+               event.add_particlespawner.minexptime = minexptime;
+               event.add_particlespawner.maxexptime = maxexptime;
+               event.add_particlespawner.minsize = minsize;
+               event.add_particlespawner.maxsize = maxsize;
+               event.add_particlespawner.collisiondetection = collisiondetection;
+               event.add_particlespawner.texture = new std::string(texture);
+               event.add_particlespawner.id = id;
+
+               m_client_event_queue.push_back(event);
+       }
+       else if(command == TOCLIENT_DELETE_PARTICLESPAWNER)
+       {
+               std::string datastring((char*)&data[2], datasize-2);
+               std::istringstream is(datastring, std::ios_base::binary);
+
+               u32 id = readU16(is);
+
+               ClientEvent event;
+               event.type = CE_DELETE_PARTICLESPAWNER;
+               event.delete_particlespawner.id = id;
+
+               m_client_event_queue.push_back(event);
+       }
        else
        {
                infostream<<"Client: Ignoring unknown command "
index 570a6b3b0847055336bf1eee6e0a2d7b469f6da1..d476a1d5189b7174ab9e93f6fc3b5835c0dffd85 100644 (file)
@@ -157,7 +157,10 @@ enum ClientEventType
        CE_PLAYER_FORCE_MOVE,
        CE_DEATHSCREEN,
        CE_TEXTURES_UPDATED,
-       CE_SHOW_FORMSPEC
+       CE_SHOW_FORMSPEC,
+       CE_SPAWN_PARTICLE,
+       CE_ADD_PARTICLESPAWNER,
+       CE_DELETE_PARTICLESPAWNER
 };
 
 struct ClientEvent
@@ -185,6 +188,35 @@ struct ClientEvent
                } show_formspec;
                struct{
                } textures_updated;
+               struct{
+                       v3f *pos;
+                       v3f *vel;
+                       v3f *acc;
+                       f32 expirationtime;
+                       f32 size;
+                       bool collisiondetection;
+                       std::string *texture;
+               } spawn_particle;
+               struct{
+                       u16 amount;
+                       f32 spawntime;
+                       v3f *minpos;
+                       v3f *maxpos;
+                       v3f *minvel;
+                       v3f *maxvel;
+                       v3f *minacc;
+                       v3f *maxacc;
+                       f32 minexptime;
+                       f32 maxexptime;
+                       f32 minsize;
+                       f32 maxsize;
+                       bool collisiondetection;
+                       std::string *texture;
+                       u32 id;
+               } add_particlespawner;
+               struct{
+                       u32 id;
+               } delete_particlespawner;
        };
 };
 
index 6d830b92b423af1fd328855c0dd4d9018bb6b809..535fc04d8a7f52d8d81b6797e35ead0cdd69a389 100644 (file)
@@ -82,6 +82,9 @@ SharedBuffer<u8> makePacket_TOCLIENT_TIME_OF_DAY(u16 time, float time_speed);
        PROTOCOL_VERSION 17:
                Serialization format change: include backface_culling flag in TileDef
                Added rightclickable field in nodedef
+               TOCLIENT_SPAWN_PARTICLE
+               TOCLIENT_ADD_PARTICLESPAWNER
+               TOCLIENT_DELETE_PARTICLESPAWNER
 */
 
 #define LATEST_PROTOCOL_VERSION 17
@@ -359,6 +362,7 @@ enum ToClientCommand
                u8[len] name
                [2] serialized inventory
        */
+
        TOCLIENT_SHOW_FORMSPEC = 0x44,
        /*
                [0] u16 command
@@ -384,6 +388,46 @@ enum ToClientCommand
                f1000 movement_liquid_sink
                f1000 movement_gravity
        */
+
+       TOCLIENT_SPAWN_PARTICLE = 0x46,
+       /*
+               u16 command
+               v3f1000 pos
+               v3f1000 velocity
+               v3f1000 acceleration
+               f1000 expirationtime
+               f1000 size
+               u8 bool collisiondetection
+               u32 len
+               u8[len] texture
+       */
+
+       TOCLIENT_ADD_PARTICLESPAWNER = 0x47,
+       /*
+               u16 command
+               u16 amount
+               f1000 spawntime
+               v3f1000 minpos
+               v3f1000 maxpos
+               v3f1000 minvel
+               v3f1000 maxvel
+               v3f1000 minacc
+               v3f1000 maxacc
+               f1000 minexptime
+               f1000 maxexptime
+               f1000 minsize
+               f1000 maxsize
+               u8 bool collisiondetection
+               u32 len
+               u8[len] texture
+               u32 id
+       */
+
+       TOCLIENT_DELETE_PARTICLESPAWNER = 0x48,
+       /*
+               u16 command
+               u32 id
+       */
 };
 
 enum ToServerCommand
index 1ae29b13b6956f5387d31c5fd301907998c442e3..58ca654a0258d922eddc65f5aa6408b2b408afe8 100644 (file)
@@ -2186,6 +2186,47 @@ void the_game(
                                {
                                        update_wielded_item_trigger = true;
                                }
+                               else if(event.type == CE_SPAWN_PARTICLE)
+                               {
+                                       LocalPlayer* player = client.getEnv().getLocalPlayer();
+                                       AtlasPointer ap =
+                                               gamedef->tsrc()->getTexture(*(event.spawn_particle.texture));
+
+                                       new Particle(gamedef, smgr, player, client.getEnv(),
+                                               *event.spawn_particle.pos,
+                                               *event.spawn_particle.vel,
+                                               *event.spawn_particle.acc,
+                                                event.spawn_particle.expirationtime,
+                                                event.spawn_particle.size,
+                                                event.spawn_particle.collisiondetection, ap);
+                               }
+                               else if(event.type == CE_ADD_PARTICLESPAWNER)
+                               {
+                                       LocalPlayer* player = client.getEnv().getLocalPlayer();
+                                       AtlasPointer ap =
+                                               gamedef->tsrc()->getTexture(*(event.add_particlespawner.texture));
+
+                                       new ParticleSpawner(gamedef, smgr, player,
+                                                event.add_particlespawner.amount,
+                                                event.add_particlespawner.spawntime,
+                                               *event.add_particlespawner.minpos,
+                                               *event.add_particlespawner.maxpos,
+                                               *event.add_particlespawner.minvel,
+                                               *event.add_particlespawner.maxvel,
+                                               *event.add_particlespawner.minacc,
+                                               *event.add_particlespawner.maxacc,
+                                                event.add_particlespawner.minexptime,
+                                                event.add_particlespawner.maxexptime,
+                                                event.add_particlespawner.minsize,
+                                                event.add_particlespawner.maxsize,
+                                                event.add_particlespawner.collisiondetection,
+                                                ap,
+                                                event.add_particlespawner.id);
+                               }
+                               else if(event.type == CE_DELETE_PARTICLESPAWNER)
+                               {
+                                       delete_particlespawner (event.delete_particlespawner.id);
+                               }
                        }
                }
                
@@ -2415,7 +2456,8 @@ void the_game(
                                                const ContentFeatures &features =
                                                        client.getNodeDefManager()->get(n);
                                                addPunchingParticles
-                                                       (gamedef, smgr, player, nodepos, features.tiles);
+                                                       (gamedef, smgr, player, client.getEnv(),
+                                                        nodepos, features.tiles);
                                        }
                                }
 
@@ -2453,7 +2495,8 @@ void the_game(
                                                const ContentFeatures &features =
                                                        client.getNodeDefManager()->get(wasnode);
                                                addDiggingParticles
-                                                       (gamedef, smgr, player, nodepos, features.tiles);
+                                                       (gamedef, smgr, player, client.getEnv(),
+                                                        nodepos, features.tiles);
                                        }
 
                                        dig_time = 0;
@@ -2734,6 +2777,7 @@ void the_game(
                */
 
                allparticles_step(dtime, client.getEnv());
+               allparticlespawners_step(dtime, client.getEnv());
                
                /*
                        Fog
@@ -3220,6 +3264,7 @@ void the_game(
                clouds->drop();
        if(gui_chat_console)
                gui_chat_console->drop();
+       clear_particles ();
        
        /*
                Draw a "shutting down" screen, which will be shown while the map
index fef21d91b1f043fd08a080f6d85abe7c44a6a1b7..0445d77264e44f13f44c53f926cc7e186af28e11 100644 (file)
@@ -32,19 +32,34 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "clientmap.h"
 #include "mapnode.h"
 
+/*
+       Utility
+*/
+
+v3f random_v3f(v3f min, v3f max)
+{
+       return v3f( rand()/(float)RAND_MAX*(max.X-min.X)+min.X,
+                       rand()/(float)RAND_MAX*(max.Y-min.Y)+min.Y,
+                       rand()/(float)RAND_MAX*(max.Z-min.Z)+min.Z);
+}
+
+std::vector<Particle*> all_particles;
+std::map<u32, ParticleSpawner*> all_particlespawners;
+
 Particle::Particle(
        IGameDef *gamedef,
        scene::ISceneManager* smgr,
        LocalPlayer *player,
-       s32 id,
+       ClientEnvironment &env,
        v3f pos,
        v3f velocity,
        v3f acceleration,
        float expirationtime,
        float size,
+       bool collisiondetection,
        AtlasPointer ap
 ):
-       scene::ISceneNode(smgr->getRootSceneNode(), smgr, id)
+       scene::ISceneNode(smgr->getRootSceneNode(), smgr)
 {
        // Misc
        m_gamedef = gamedef;
@@ -57,7 +72,6 @@ Particle::Particle(
        m_material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
        m_material.setTexture(0, ap.atlas);
        m_ap = ap;
-       m_light = 0;
 
 
        // Particle related
@@ -68,10 +82,20 @@ Particle::Particle(
        m_time = 0;
        m_player = player;
        m_size = size;
+       m_collisiondetection = collisiondetection;
 
-       // Irrlicht stuff (TODO)
-       m_collisionbox = core::aabbox3d<f32>(-size/2,-size/2,-size/2,size/2,size/2,size/2);
+       // Irrlicht stuff
+       m_collisionbox = core::aabbox3d<f32>
+                       (-size/2,-size/2,-size/2,size/2,size/2,size/2);
        this->setAutomaticCulling(scene::EAC_OFF);
+
+       // Init lighting
+       updateLight(env);
+
+       // Init model
+       updateVertices();
+
+       all_particles.push_back(this);
 }
 
 Particle::~Particle()
@@ -82,8 +106,10 @@ void Particle::OnRegisterSceneNode()
 {
        if (IsVisible)
        {
-               SceneManager->registerNodeForRendering(this, scene::ESNRP_TRANSPARENT);
-               SceneManager->registerNodeForRendering(this, scene::ESNRP_SOLID);
+               SceneManager->registerNodeForRendering
+                               (this, scene::ESNRP_TRANSPARENT);
+               SceneManager->registerNodeForRendering
+                               (this, scene::ESNRP_SOLID);
        }
 
        ISceneNode::OnRegisterSceneNode();
@@ -96,45 +122,45 @@ void Particle::render()
        video::IVideoDriver* driver = SceneManager->getVideoDriver();
        driver->setMaterial(m_material);
        driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
-       video::SColor c(255, m_light, m_light, m_light);
-
-       video::S3DVertex vertices[4] =
-       {
-               video::S3DVertex(-m_size/2,-m_size/2,0, 0,0,0, c, m_ap.x0(), m_ap.y1()),
-               video::S3DVertex(m_size/2,-m_size/2,0, 0,0,0, c, m_ap.x1(), m_ap.y1()),
-               video::S3DVertex(m_size/2,m_size/2,0, 0,0,0, c, m_ap.x1(), m_ap.y0()),
-               video::S3DVertex(-m_size/2,m_size/2,0, 0,0,0, c ,m_ap.x0(), m_ap.y0()),
-       };
-
-       for(u16 i=0; i<4; i++)
-       {
-               vertices[i].Pos.rotateYZBy(m_player->getPitch());
-               vertices[i].Pos.rotateXZBy(m_player->getYaw());
-               m_box.addInternalPoint(vertices[i].Pos);
-               vertices[i].Pos += m_pos*BS;
-       }
 
        u16 indices[] = {0,1,2, 2,3,0};
-       driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
-                       video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT);
+       driver->drawVertexPrimitiveList(m_vertices, 4,
+                       indices, 2, video::EVT_STANDARD,
+                       scene::EPT_TRIANGLES, video::EIT_16BIT);
 }
 
 void Particle::step(float dtime, ClientEnvironment &env)
 {
-       core::aabbox3d<f32> box = m_collisionbox;
-       v3f p_pos = m_pos*BS;
-       v3f p_velocity = m_velocity*BS;
-       v3f p_acceleration = m_acceleration*BS;
-       collisionMoveSimple(&env.getClientMap(), m_gamedef,
-               BS*0.5, box,
-               0, dtime,
-               p_pos, p_velocity, p_acceleration);
-       m_pos = p_pos/BS;
-       m_velocity = p_velocity/BS;
-       m_acceleration = p_acceleration/BS;
        m_time += dtime;
+       if (m_collisiondetection)
+       {
+               core::aabbox3d<f32> box = m_collisionbox;
+               v3f p_pos = m_pos*BS;
+               v3f p_velocity = m_velocity*BS;
+               v3f p_acceleration = m_acceleration*BS;
+               collisionMoveSimple(&env.getClientMap(), m_gamedef,
+                       BS*0.5, box,
+                       0, dtime,
+                       p_pos, p_velocity, p_acceleration);
+               m_pos = p_pos/BS;
+               m_velocity = p_velocity/BS;
+               m_acceleration = p_acceleration/BS;
+       }
+       else
+       {
+               m_velocity += m_acceleration * dtime;
+               m_pos += m_velocity * dtime;
+       }
 
        // Update lighting
+       updateLight(env);
+
+       // Update model
+       updateVertices();
+}
+
+void Particle::updateLight(ClientEnvironment &env)
+{
        u8 light = 0;
        try{
                v3s16 p = v3s16(
@@ -151,11 +177,37 @@ void Particle::step(float dtime, ClientEnvironment &env)
        m_light = decode_light(light);
 }
 
-std::vector<Particle*> all_particles;
+void Particle::updateVertices()
+{
+       video::SColor c(255, m_light, m_light, m_light);
+       m_vertices[0] = video::S3DVertex(-m_size/2,-m_size/2,0, 0,0,0,
+                       c, m_ap.x0(), m_ap.y1());
+       m_vertices[1] = video::S3DVertex(m_size/2,-m_size/2,0, 0,0,0,
+                       c, m_ap.x1(), m_ap.y1());
+       m_vertices[2] = video::S3DVertex(m_size/2,m_size/2,0, 0,0,0,
+                       c, m_ap.x1(), m_ap.y0());
+       m_vertices[3] = video::S3DVertex(-m_size/2,m_size/2,0, 0,0,0,
+                       c ,m_ap.x0(), m_ap.y0());
+
+       for(u16 i=0; i<4; i++)
+       {
+               m_vertices[i].Pos.rotateYZBy(m_player->getPitch());
+               m_vertices[i].Pos.rotateXZBy(m_player->getYaw());
+               m_box.addInternalPoint(m_vertices[i].Pos);
+               m_vertices[i].Pos += m_pos*BS;
+       }
+}
+
+
+/*
+       Helpers
+*/
+
 
 void allparticles_step (float dtime, ClientEnvironment &env)
 {
-       for(std::vector<Particle*>::iterator i = all_particles.begin(); i != all_particles.end();)
+       for(std::vector<Particle*>::iterator i = all_particles.begin();
+                       i != all_particles.end();)
        {
                if ((*i)->get_expired())
                {
@@ -171,22 +223,28 @@ void allparticles_step (float dtime, ClientEnvironment &env)
        }
 }
 
-void addDiggingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[])
+void addDiggingParticles(IGameDef* gamedef, scene::ISceneManager* smgr,
+               LocalPlayer *player, ClientEnvironment &env, v3s16 pos,
+               const TileSpec tiles[])
 {
        for (u16 j = 0; j < 32; j++) // set the amount of particles here
        {
-               addNodeParticle(gamedef, smgr, player, pos, tiles);
+               addNodeParticle(gamedef, smgr, player, env, pos, tiles);
        }
 }
 
-void addPunchingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[])
+void addPunchingParticles(IGameDef* gamedef, scene::ISceneManager* smgr,
+               LocalPlayer *player, ClientEnvironment &env,
+               v3s16 pos, const TileSpec tiles[])
 {
-       addNodeParticle(gamedef, smgr, player, pos, tiles);
+       addNodeParticle(gamedef, smgr, player, env, pos, tiles);
 }
 
 // add a particle of a node
 // used by digging and punching particles
-void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[])
+void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr,
+               LocalPlayer *player, ClientEnvironment &env, v3s16 pos,
+               const TileSpec tiles[])
 {
        // Texture
        u8 texid = myrand_range(0,5);
@@ -205,7 +263,10 @@ void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer
        ap.pos.Y = ap.y0() + (y1 - ap.y0()) * ((rand()%64)/64.-texsize);
 
        // Physics
-       v3f velocity((rand()%100/50.-1)/1.5, rand()%100/35., (rand()%100/50.-1)/1.5);
+       v3f velocity(   (rand()%100/50.-1)/1.5,
+                       rand()%100/35.,
+                       (rand()%100/50.-1)/1.5);
+
        v3f acceleration(0,-9,0);
        v3f particlepos = v3f(
                (f32)pos.X+rand()%100/200.-0.25,
@@ -213,17 +274,180 @@ void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer
                (f32)pos.Z+rand()%100/200.-0.25
        );
 
-       Particle *particle = new Particle(
+       new Particle(
                gamedef,
                smgr,
                player,
-               0,
+               env,
                particlepos,
                velocity,
                acceleration,
                rand()%100/100., // expiration time
                visual_size,
+               true,
                ap);
+}
 
-       all_particles.push_back(particle);
+/*
+       ParticleSpawner
+*/
+
+ParticleSpawner::ParticleSpawner(IGameDef* gamedef, scene::ISceneManager *smgr, LocalPlayer *player,
+       u16 amount, float time,
+       v3f minpos, v3f maxpos, v3f minvel, v3f maxvel, v3f minacc, v3f maxacc,
+       float minexptime, float maxexptime, float minsize, float maxsize,
+       bool collisiondetection, AtlasPointer ap, u32 id)
+{
+       m_gamedef = gamedef;
+       m_smgr = smgr;
+       m_player = player;
+       m_amount = amount;
+       m_spawntime = time;
+       m_minpos = minpos;
+       m_maxpos = maxpos;
+       m_minvel = minvel;
+       m_maxvel = maxvel;
+       m_minacc = minacc;
+       m_maxacc = maxacc;
+       m_minexptime = minexptime;
+       m_maxexptime = maxexptime;
+       m_minsize = minsize;
+       m_maxsize = maxsize;
+       m_collisiondetection = collisiondetection;
+       m_ap = ap;
+       m_time = 0;
+
+       for (u16 i = 0; i<=m_amount; i++)
+       {
+               float spawntime = (float)rand()/(float)RAND_MAX*m_spawntime;
+               m_spawntimes.push_back(spawntime);
+       }
+
+       all_particlespawners.insert(std::pair<u32, ParticleSpawner*>(id, this));
+}
+
+ParticleSpawner::~ParticleSpawner() {}
+
+void ParticleSpawner::step(float dtime, ClientEnvironment &env)
+{
+       m_time += dtime;
+
+       if (m_spawntime != 0) // Spawner exists for a predefined timespan
+       {
+               for(std::vector<float>::iterator i = m_spawntimes.begin();
+                               i != m_spawntimes.end();)
+               {
+                       if ((*i) <= m_time && m_amount > 0)
+                       {
+                               m_amount--;
+
+                               v3f pos = random_v3f(m_minpos, m_maxpos);
+                               v3f vel = random_v3f(m_minvel, m_maxvel);
+                               v3f acc = random_v3f(m_minacc, m_maxacc);
+                               float exptime = rand()/(float)RAND_MAX
+                                               *(m_maxexptime-m_minexptime)
+                                               +m_minexptime;
+                               float size = rand()/(float)RAND_MAX
+                                               *(m_maxsize-m_minsize)
+                                               +m_minsize;
+
+                               new Particle(
+                                       m_gamedef,
+                                       m_smgr,
+                                       m_player,
+                                       env,
+                                       pos,
+                                       vel,
+                                       acc,
+                                       exptime,
+                                       size,
+                                       m_collisiondetection,
+                                       m_ap);
+                               m_spawntimes.erase(i);
+                       }
+                       else
+                       {
+                               i++;
+                       }
+               }
+       }
+       else // Spawner exists for an infinity timespan, spawn on a per-second base
+       {
+               for (int i = 0; i <= m_amount; i++)
+               {
+                       if (rand()/(float)RAND_MAX < dtime)
+                       {
+                               v3f pos = random_v3f(m_minpos, m_maxpos);
+                               v3f vel = random_v3f(m_minvel, m_maxvel);
+                               v3f acc = random_v3f(m_minacc, m_maxacc);
+                               float exptime = rand()/(float)RAND_MAX
+                                               *(m_maxexptime-m_minexptime)
+                                               +m_minexptime;
+                               float size = rand()/(float)RAND_MAX
+                                               *(m_maxsize-m_minsize)
+                                               +m_minsize;
+
+                               new Particle(
+                                       m_gamedef,
+                                       m_smgr,
+                                       m_player,
+                                       env,
+                                       pos,
+                                       vel,
+                                       acc,
+                                       exptime,
+                                       size,
+                                       m_collisiondetection,
+                                       m_ap);
+                       }
+               }
+       }
+}
+
+void allparticlespawners_step (float dtime, ClientEnvironment &env)
+{
+       for(std::map<u32, ParticleSpawner*>::iterator i = 
+                       all_particlespawners.begin();
+                       i != all_particlespawners.end();)
+       {
+               if (i->second->get_expired())
+               {
+                       delete i->second;
+                       all_particlespawners.erase(i++);
+               }
+               else
+               {
+                       i->second->step(dtime, env);
+                       i++;
+               }
+       }
+}
+
+void delete_particlespawner (u32 id)
+{
+       if (all_particlespawners.find(id) != all_particlespawners.end())
+       {
+               delete all_particlespawners.find(id)->second;
+               all_particlespawners.erase(id);
+       }
+}
+
+void clear_particles ()
+{
+       for(std::map<u32, ParticleSpawner*>::iterator i =
+                       all_particlespawners.begin();
+                       i != all_particlespawners.end();)
+       {
+               delete i->second;
+               all_particlespawners.erase(i++);
+       }
+
+       for(std::vector<Particle*>::iterator i =
+                       all_particles.begin();
+                       i != all_particles.end();)
+       {
+               (*i)->remove();
+               delete *i;
+               all_particles.erase(i);
+       }       
 }
index b317549e731044189a7fc3f2a2b557c55253cec2..308da551f997825c33febb3aa3ee856f1ba449bd 100644 (file)
@@ -35,12 +35,13 @@ class Particle : public scene::ISceneNode
                IGameDef* gamedef,
                scene::ISceneManager* mgr,
                LocalPlayer *player,
-               s32 id,
+               ClientEnvironment &env,
                v3f pos,
                v3f velocity,
                v3f acceleration,
                float expirationtime,
                float size,
+               bool collisiondetection,
                AtlasPointer texture
        );
        ~Particle();
@@ -69,6 +70,10 @@ class Particle : public scene::ISceneNode
        { return m_expiration < m_time; }
 
 private:
+       void updateLight(ClientEnvironment &env);
+       void updateVertices();
+
+       video::S3DVertex m_vertices[4];
        float m_time;
        float m_expiration;
 
@@ -87,12 +92,71 @@ private:
        float m_size;
        AtlasPointer m_ap;
        u8 m_light;
+       bool m_collisiondetection;
+};
+
+class ParticleSpawner
+{
+       public:
+       ParticleSpawner(IGameDef* gamedef,
+               scene::ISceneManager *smgr,
+               LocalPlayer *player,
+               u16 amount,
+               float time,
+               v3f minp, v3f maxp,
+               v3f minvel, v3f maxvel,
+               v3f minacc, v3f maxacc,
+               float minexptime, float maxexptime,
+               float minsize, float maxsize,
+               bool collisiondetection,
+               AtlasPointer ap,
+               u32 id);
+
+       ~ParticleSpawner();
+
+       void step(float dtime, ClientEnvironment &env);
+
+       bool get_expired ()
+       { return (m_amount <= 0) && m_spawntime != 0; }
+
+       private:
+       float m_time;
+       IGameDef *m_gamedef;
+       scene::ISceneManager *m_smgr;
+       LocalPlayer *m_player;
+       u16 m_amount;
+       float m_spawntime;
+       v3f m_minpos;
+       v3f m_maxpos;
+       v3f m_minvel;
+       v3f m_maxvel;
+       v3f m_minacc;
+       v3f m_maxacc;
+       float m_minexptime;
+       float m_maxexptime;
+       float m_minsize;
+       float m_maxsize;
+       AtlasPointer m_ap;
+       std::vector<float> m_spawntimes;
+       bool m_collisiondetection;
 };
 
 void allparticles_step (float dtime, ClientEnvironment &env);
+void allparticlespawners_step (float dtime, ClientEnvironment &env);
+
+void delete_particlespawner (u32 id);
+void clear_particles ();
+
+void addDiggingParticles(IGameDef* gamedef, scene::ISceneManager* smgr,
+       LocalPlayer *player, ClientEnvironment &env, v3s16 pos,
+       const TileSpec tiles[]);
+
+void addPunchingParticles(IGameDef* gamedef, scene::ISceneManager* smgr,
+       LocalPlayer *player, ClientEnvironment &env, v3s16 pos,
+       const TileSpec tiles[]);
 
-void addDiggingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[]);
-void addPunchingParticles(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[]);
-void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr, LocalPlayer *player, v3s16 pos, const TileSpec tiles[]);
+void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr,
+       LocalPlayer *player, ClientEnvironment &env, v3s16 pos,
+       const TileSpec tiles[]);
 
 #endif
index 13696eabf1bec4a76d00af7b8ddc04ba86eb917a..29494ff696134de7cf3173813701028c2562f90c 100644 (file)
@@ -44,6 +44,7 @@ extern "C" {
 #include "scriptapi_item.h"
 #include "scriptapi_content.h"
 #include "scriptapi_craft.h"
+#include "scriptapi_particles.h"
 
 /*****************************************************************************/
 /* Mod related                                                               */
@@ -1089,6 +1090,9 @@ static const struct luaL_Reg minetest_f [] = {
        {"get_all_craft_recipes", l_get_all_craft_recipes},
        {"rollback_get_last_node_actor", l_rollback_get_last_node_actor},
        {"rollback_revert_actions_by", l_rollback_revert_actions_by},
+       {"add_particle", l_add_particle},
+       {"add_particlespawner", l_add_particlespawner},
+       {"delete_particlespawner", l_delete_particlespawner},
        {NULL, NULL}
 };
 
diff --git a/src/scriptapi_particles.cpp b/src/scriptapi_particles.cpp
new file mode 100644 (file)
index 0000000..dc9b377
--- /dev/null
@@ -0,0 +1,143 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "scriptapi.h"
+#include "scriptapi_particles.h"
+#include "server.h"
+#include "script.h"
+#include "scriptapi_types.h"
+#include "scriptapi_common.h"
+
+// add_particle(pos, velocity, acceleration, expirationtime,
+//             size, collisiondetection, texture, player)
+// pos/velocity/acceleration = {x=num, y=num, z=num}
+// expirationtime = num (seconds)
+// size = num
+// texture = e.g."default_wood.png"
+int l_add_particle(lua_State *L)
+{
+       // Get server from registry
+       Server *server = get_server(L);
+       // Get parameters
+       v3f pos = check_v3f(L, 1);
+       v3f vel = check_v3f(L, 2);
+       v3f acc = check_v3f(L, 3);
+       float expirationtime = luaL_checknumber(L, 4);
+       float size = luaL_checknumber(L, 5);
+       bool collisiondetection = lua_toboolean(L, 6);
+       std::string texture = luaL_checkstring(L, 7);
+
+       if (lua_gettop(L) == 8) // only spawn for a single player
+       {
+               const char *playername = luaL_checkstring(L, 8);
+               server->spawnParticle(playername,
+                       pos, vel, acc, expirationtime,
+                       size, collisiondetection, texture);
+       }
+       else // spawn for all players
+       {
+               server->spawnParticleAll(pos, vel, acc,
+                       expirationtime, size, collisiondetection, texture);
+       }
+       return 1;
+}
+
+// add_particlespawner(amount, time,
+//                             minpos, maxpos,
+//                             minvel, maxvel,
+//                             minacc, maxacc,
+//                             minexptime, maxexptime,
+//                             minsize, maxsize,
+//                             collisiondetection,
+//                             texture,
+//                             player)
+// minpos/maxpos/minvel/maxvel/minacc/maxacc = {x=num, y=num, z=num}
+// minexptime/maxexptime = num (seconds)
+// minsize/maxsize = num
+// collisiondetection = bool
+// texture = e.g."default_wood.png"
+int l_add_particlespawner(lua_State *L)
+{
+       // Get server from registry
+       Server *server = get_server(L);
+       // Get parameters
+       u16 amount = luaL_checknumber(L, 1);
+       float time = luaL_checknumber(L, 2);
+       v3f minpos = check_v3f(L, 3);
+       v3f maxpos = check_v3f(L, 4);
+       v3f minvel = check_v3f(L, 5);
+       v3f maxvel = check_v3f(L, 6);
+       v3f minacc = check_v3f(L, 7);
+       v3f maxacc = check_v3f(L, 8);
+       float minexptime = luaL_checknumber(L, 9);
+       float maxexptime = luaL_checknumber(L, 10);
+       float minsize = luaL_checknumber(L, 11);
+       float maxsize = luaL_checknumber(L, 12);
+       bool collisiondetection = lua_toboolean(L, 13);
+       std::string texture = luaL_checkstring(L, 14);
+
+       if (lua_gettop(L) == 15) // only spawn for a single player
+       {
+               const char *playername = luaL_checkstring(L, 15);
+               u32 id = server->addParticleSpawner(playername,
+                                                       amount, time,
+                                                       minpos, maxpos,
+                                                       minvel, maxvel,
+                                                       minacc, maxacc,
+                                                       minexptime, maxexptime,
+                                                       minsize, maxsize,
+                                                       collisiondetection,
+                                                       texture);
+               lua_pushnumber(L, id);
+       }
+       else // spawn for all players
+       {
+               u32 id = server->addParticleSpawnerAll( amount, time,
+                                                       minpos, maxpos,
+                                                       minvel, maxvel,
+                                                       minacc, maxacc,
+                                                       minexptime, maxexptime,
+                                                       minsize, maxsize,
+                                                       collisiondetection,
+                                                       texture);
+               lua_pushnumber(L, id);
+       }
+       return 1;
+}
+
+// delete_particlespawner(id, player)
+// player (string) is optional
+int l_delete_particlespawner(lua_State *L)
+{
+       // Get server from registry
+       Server *server = get_server(L);
+       // Get parameters
+       u32 id = luaL_checknumber(L, 1);
+
+       if (lua_gettop(L) == 2) // only delete for one player
+       {
+               const char *playername = luaL_checkstring(L, 2);
+               server->deleteParticleSpawner(playername, id);
+       }
+       else // delete for all players
+       {
+               server->deleteParticleSpawnerAll(id);
+       }
+       return 1;
+}
diff --git a/src/scriptapi_particles.h b/src/scriptapi_particles.h
new file mode 100644 (file)
index 0000000..4b37d7c
--- /dev/null
@@ -0,0 +1,32 @@
+/*
+Minetest-c55
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUA_PARTICLES_H_
+#define LUA_PARTICLES_H_
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+int l_add_particle(lua_State *L);
+int l_add_particlespawner(lua_State *L);
+int l_delete_particlespawner(lua_State *L);
+
+#endif
index f77ac6ad94906c1af98d1d3abb77484cb5f7940e..644f8934918985aa972fcc9373ad1b54fdd7c574 100644 (file)
@@ -20,6 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "server.h"
 #include <iostream>
 #include <queue>
+#include <algorithm>
 #include "clientserver.h"
 #include "map.h"
 #include "jmutexautolock.h"
@@ -3474,6 +3475,132 @@ void Server::SendShowFormspecMessage(u16 peer_id, const std::string formspec, co
        m_con.Send(peer_id, 0, data, true);
 }
 
+// Spawns a particle on peer with peer_id
+void Server::SendSpawnParticle(u16 peer_id, v3f pos, v3f velocity, v3f acceleration, float expirationtime, float size, bool collisiondetection, std::string texture)
+{
+       DSTACK(__FUNCTION_NAME);
+
+       std::ostringstream os(std::ios_base::binary);
+       writeU16(os, TOCLIENT_SPAWN_PARTICLE);
+       writeV3F1000(os, pos);
+       writeV3F1000(os, velocity);
+       writeV3F1000(os, acceleration);
+       writeF1000(os, expirationtime);
+       writeF1000(os, size);
+       writeU8(os,  collisiondetection);
+       os<<serializeLongString(texture);
+
+       // Make data buffer
+       std::string s = os.str();
+       SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+       // Send as reliable
+       m_con.Send(peer_id, 0, data, true);
+}
+
+// Spawns a particle on all peers
+void Server::SendSpawnParticleAll(v3f pos, v3f velocity, v3f acceleration, float expirationtime, float size, bool collisiondetection, std::string texture)
+{
+       for(std::map<u16, RemoteClient*>::iterator
+               i = m_clients.begin();
+               i != m_clients.end(); i++)
+       {
+               // Get client and check that it is valid
+               RemoteClient *client = i->second;
+               assert(client->peer_id == i->first);
+               if(client->serialization_version == SER_FMT_VER_INVALID)
+                       continue;
+
+               SendSpawnParticle(client->peer_id, pos, velocity, acceleration,
+                       expirationtime, size, collisiondetection, texture);
+       }
+}
+
+// Adds a ParticleSpawner on peer with peer_id
+void Server::SendAddParticleSpawner(u16 peer_id, u16 amount, float spawntime, v3f minpos, v3f maxpos,
+       v3f minvel, v3f maxvel, v3f minacc, v3f maxacc, float minexptime, float maxexptime,
+       float minsize, float maxsize, bool collisiondetection, std::string texture, u32 id)
+{
+       DSTACK(__FUNCTION_NAME);
+
+       std::ostringstream os(std::ios_base::binary);
+       writeU16(os, TOCLIENT_ADD_PARTICLESPAWNER);
+
+       writeU16(os, amount);
+       writeF1000(os, spawntime);
+       writeV3F1000(os, minpos);
+       writeV3F1000(os, maxpos);
+       writeV3F1000(os, minvel);
+       writeV3F1000(os, maxvel);
+       writeV3F1000(os, minacc);
+       writeV3F1000(os, maxacc);
+       writeF1000(os, minexptime);
+       writeF1000(os, maxexptime);
+       writeF1000(os, minsize);
+       writeF1000(os, maxsize);
+       writeU8(os,  collisiondetection);
+       os<<serializeLongString(texture);
+       writeU32(os, id);
+
+       // Make data buffer
+       std::string s = os.str();
+       SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+       // Send as reliable
+       m_con.Send(peer_id, 0, data, true);
+}
+
+// Adds a ParticleSpawner on all peers
+void Server::SendAddParticleSpawnerAll(u16 amount, float spawntime, v3f minpos, v3f maxpos,
+       v3f minvel, v3f maxvel, v3f minacc, v3f maxacc, float minexptime, float maxexptime,
+       float minsize, float maxsize, bool collisiondetection, std::string texture, u32 id)
+{
+       for(std::map<u16, RemoteClient*>::iterator
+               i = m_clients.begin();
+               i != m_clients.end(); i++)
+       {
+               // Get client and check that it is valid
+               RemoteClient *client = i->second;
+               assert(client->peer_id == i->first);
+               if(client->serialization_version == SER_FMT_VER_INVALID)
+                       continue;
+
+               SendAddParticleSpawner(client->peer_id, amount, spawntime,
+                       minpos, maxpos, minvel, maxvel, minacc, maxacc,
+                       minexptime, maxexptime, minsize, maxsize, collisiondetection, texture, id);
+       }
+}
+
+void Server::SendDeleteParticleSpawner(u16 peer_id, u32 id)
+{
+       DSTACK(__FUNCTION_NAME);
+
+       std::ostringstream os(std::ios_base::binary);
+       writeU16(os, TOCLIENT_DELETE_PARTICLESPAWNER);
+
+       writeU16(os, id);
+
+       // Make data buffer
+       std::string s = os.str();
+       SharedBuffer<u8> data((u8*)s.c_str(), s.size());
+       // Send as reliable
+       m_con.Send(peer_id, 0, data, true);
+}
+
+void Server::SendDeleteParticleSpawnerAll(u32 id)
+{
+       for(std::map<u16, RemoteClient*>::iterator
+               i = m_clients.begin();
+               i != m_clients.end(); i++)
+       {
+               // Get client and check that it is valid
+               RemoteClient *client = i->second;
+               assert(client->peer_id == i->first);
+               if(client->serialization_version == SER_FMT_VER_INVALID)
+                       continue;
+
+               SendDeleteParticleSpawner(client->peer_id, id);
+       }
+}
+
 void Server::BroadcastChatMessage(const std::wstring &message)
 {
        for(std::map<u16, RemoteClient*>::iterator
@@ -4432,6 +4559,111 @@ void Server::notifyPlayers(const std::wstring msg)
        BroadcastChatMessage(msg);
 }
 
+void Server::spawnParticle(const char *playername, v3f pos,
+               v3f velocity, v3f acceleration,
+               float expirationtime, float size, bool
+               collisiondetection, std::string texture)
+{
+       Player *player = m_env->getPlayer(playername);
+       if(!player)
+               return;
+       SendSpawnParticle(player->peer_id, pos, velocity, acceleration,
+                       expirationtime, size, collisiondetection, texture);
+}
+
+void Server::spawnParticleAll(v3f pos, v3f velocity, v3f acceleration,
+               float expirationtime, float size,
+               bool collisiondetection, std::string texture)
+{
+       SendSpawnParticleAll(pos, velocity, acceleration,
+                       expirationtime, size, collisiondetection, texture);
+}
+
+u32 Server::addParticleSpawner(const char *playername,
+               u16 amount, float spawntime,
+               v3f minpos, v3f maxpos,
+               v3f minvel, v3f maxvel,
+               v3f minacc, v3f maxacc,
+               float minexptime, float maxexptime,
+               float minsize, float maxsize,
+               bool collisiondetection, std::string texture)
+{
+       Player *player = m_env->getPlayer(playername);
+       if(!player)
+               return -1;
+
+       u32 id = 0;
+       for(;;) // look for unused particlespawner id
+       {
+               id++;
+               if (std::find(m_particlespawner_ids.begin(),
+                               m_particlespawner_ids.end(), id)
+                               == m_particlespawner_ids.end())
+               {
+                       m_particlespawner_ids.push_back(id);
+                       break;
+               }
+       }
+
+       SendAddParticleSpawner(player->peer_id, amount, spawntime,
+               minpos, maxpos, minvel, maxvel, minacc, maxacc,
+               minexptime, maxexptime, minsize, maxsize,
+               collisiondetection, texture, id);
+
+       return id;
+}
+
+u32 Server::addParticleSpawnerAll(u16 amount, float spawntime,
+               v3f minpos, v3f maxpos,
+               v3f minvel, v3f maxvel,
+               v3f minacc, v3f maxacc,
+               float minexptime, float maxexptime,
+               float minsize, float maxsize,
+               bool collisiondetection, std::string texture)
+{
+       u32 id = 0;
+       for(;;) // look for unused particlespawner id
+       {
+               id++;
+               if (std::find(m_particlespawner_ids.begin(),
+                               m_particlespawner_ids.end(), id)
+                               == m_particlespawner_ids.end())
+               {
+                       m_particlespawner_ids.push_back(id);
+                       break;
+               }
+       }
+
+       SendAddParticleSpawnerAll(amount, spawntime,
+               minpos, maxpos, minvel, maxvel, minacc, maxacc,
+               minexptime, maxexptime, minsize, maxsize,
+               collisiondetection, texture, id);
+
+       return id;
+}
+
+void Server::deleteParticleSpawner(const char *playername, u32 id)
+{
+       Player *player = m_env->getPlayer(playername);
+       if(!player)
+               return;
+
+       m_particlespawner_ids.erase(
+                       std::remove(m_particlespawner_ids.begin(),
+                       m_particlespawner_ids.end(), id),
+                       m_particlespawner_ids.end());
+       SendDeleteParticleSpawner(player->peer_id, id);
+}
+
+void Server::deleteParticleSpawnerAll(u32 id)
+{
+       m_particlespawner_ids.erase(
+                       std::remove(m_particlespawner_ids.begin(),
+                       m_particlespawner_ids.end(), id),
+                       m_particlespawner_ids.end());
+       SendDeleteParticleSpawnerAll(id);
+}
+
 void Server::queueBlockEmerge(v3s16 blockpos, bool allow_generate)
 {
        m_emerge->enqueueBlockEmerge(PEER_ID_INEXISTENT, blockpos, allow_generate);
index 63717eaecab4e97abee82f1fe910974542217376..813dc9828dc6fc4d67e9427dde21e9b6a8e166eb 100644 (file)
@@ -456,6 +456,35 @@ public:
        // Envlock and conlock should be locked when calling this
        void notifyPlayer(const char *name, const std::wstring msg);
        void notifyPlayers(const std::wstring msg);
+       void spawnParticle(const char *playername,
+               v3f pos, v3f velocity, v3f acceleration,
+               float expirationtime, float size,
+               bool collisiondetection, std::string texture);
+
+       void spawnParticleAll(v3f pos, v3f velocity, v3f acceleration,
+               float expirationtime, float size,
+               bool collisiondetection, std::string texture);
+
+       u32 addParticleSpawner(const char *playername,
+               u16 amount, float spawntime,
+               v3f minpos, v3f maxpos,
+               v3f minvel, v3f maxvel,
+               v3f minacc, v3f maxacc,
+               float minexptime, float maxexptime,
+               float minsize, float maxsize,
+               bool collisiondetection, std::string texture);
+
+       u32 addParticleSpawnerAll(u16 amount, float spawntime,
+               v3f minpos, v3f maxpos,
+               v3f minvel, v3f maxvel,
+               v3f minacc, v3f maxacc,
+               float minexptime, float maxexptime,
+               float minsize, float maxsize,
+               bool collisiondetection, std::string texture);
+
+       void deleteParticleSpawner(const char *playername, u32 id);
+       void deleteParticleSpawnerAll(u32 id);
+
 
        void queueBlockEmerge(v3s16 blockpos, bool allow_generate);
 
@@ -574,6 +603,41 @@ private:
        void sendDetachedInventoryToAll(const std::string &name);
        void sendDetachedInventories(u16 peer_id);
 
+       // Adds a ParticleSpawner on peer with peer_id
+       void SendAddParticleSpawner(u16 peer_id, u16 amount, float spawntime,
+               v3f minpos, v3f maxpos,
+               v3f minvel, v3f maxvel,
+               v3f minacc, v3f maxacc,
+               float minexptime, float maxexptime,
+               float minsize, float maxsize,
+               bool collisiondetection, std::string texture, u32 id);
+
+       // Adds a ParticleSpawner on all peers
+       void SendAddParticleSpawnerAll(u16 amount, float spawntime,
+               v3f minpos, v3f maxpos,
+               v3f minvel, v3f maxvel,
+               v3f minacc, v3f maxacc,
+               float minexptime, float maxexptime,
+               float minsize, float maxsize,
+               bool collisiondetection, std::string texture, u32 id);
+
+       // Deletes ParticleSpawner on a single client
+       void SendDeleteParticleSpawner(u16 peer_id, u32 id);
+
+       // Deletes ParticleSpawner on all clients
+       void SendDeleteParticleSpawnerAll(u32 id);
+
+       // Spawns particle on single client
+       void SendSpawnParticle(u16 peer_id,
+               v3f pos, v3f velocity, v3f acceleration,
+               float expirationtime, float size,
+               bool collisiondetection, std::string texture);
+
+       // Spawns particle on all clients
+       void SendSpawnParticleAll(v3f pos, v3f velocity, v3f acceleration,
+               float expirationtime, float size,
+               bool collisiondetection, std::string texture);
+
        /*
                Something random
        */
@@ -790,6 +854,11 @@ private:
        */
        // key = name
        std::map<std::string, Inventory*> m_detached_inventories;
+
+       /*
+               Particles
+       */
+       std::vector<u32> m_particlespawner_ids;
 };
 
 /*