added missing file
authorPerttu Ahola <celeron55@gmail.com>
Sun, 10 Apr 2011 17:49:15 +0000 (20:49 +0300)
committerPerttu Ahola <celeron55@gmail.com>
Sun, 10 Apr 2011 17:49:15 +0000 (20:49 +0300)
src/staticobject.h [new file with mode: 0644]

diff --git a/src/staticobject.h b/src/staticobject.h
new file mode 100644 (file)
index 0000000..c3369af
--- /dev/null
@@ -0,0 +1,167 @@
+/*
+Minetest-c55
+Copyright (C) 2010-2011 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 General Public License as published by
+the Free Software Foundation; either version 2 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 General Public License for more details.
+
+You should have received a copy of the GNU 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 STATICOBJECT_HEADER
+#define STATICOBJECT_HEADER
+
+#include "common_irrlicht.h"
+#include <string>
+#include <sstream>
+#include "utility.h"
+
+struct StaticObject
+{
+       u8 type;
+       v3f pos;
+       std::string data;
+
+       StaticObject():
+               type(0),
+               pos(0,0,0)
+       {
+       }
+       StaticObject(u8 type_, v3f pos_, const std::string &data_):
+               type(type_),
+               pos(pos_),
+               data(data_)
+       {
+       }
+
+       void serialize(std::ostream &os)
+       {
+               char buf[12];
+               // type
+               buf[0] = type;
+               os.write(buf, 1);
+               // pos
+               writeV3S32((u8*)buf, v3s32(pos.X*1000,pos.Y*1000,pos.Z*1000));
+               os.write(buf, 12);
+               // data
+               os<<serializeString(data);
+       }
+       void deSerialize(std::istream &is, u8 version)
+       {
+               char buf[12];
+               // type
+               is.read(buf, 1);
+               type = buf[0];
+               // pos
+               is.read(buf, 12);
+               v3s32 intp = readV3S32((u8*)buf);
+               pos.X = (f32)intp.X/1000;
+               pos.Y = (f32)intp.Y/1000;
+               pos.Z = (f32)intp.Z/1000;
+               // data
+               data = deSerializeString(is);
+       }
+};
+
+class StaticObjectList
+{
+public:
+       /*
+               Inserts an object to the container.
+               Id must be unique or 0.
+       */
+       void insert(u16 id, StaticObject obj)
+       {
+               if(id == 0)
+               {
+                       m_stored.push_back(obj);
+               }
+               else
+               {
+                       if(m_active.find(id) != NULL)
+                       {
+                               dstream<<"ERROR: StaticObjectList::insert(): "
+                                               <<"id already exists"<<std::endl;
+                               assert(0);
+                               return;
+                       }
+                       m_active.insert(id, obj);
+               }
+       }
+
+       void remove(u16 id)
+       {
+               assert(id != 0);
+               if(m_active.find(id) == NULL)
+               {
+                       dstream<<"WARNING: StaticObjectList::remove(): id="<<id
+                                       <<" not found"<<std::endl;
+                       return;
+               }
+               m_active.remove(id);
+       }
+
+       void serialize(std::ostream &os)
+       {
+               char buf[12];
+               // version
+               buf[0] = 0;
+               os.write(buf, 1);
+               // count
+               u16 count = m_stored.size() + m_active.size();
+               writeU16((u8*)buf, count);
+               os.write(buf, 2);
+               for(core::list<StaticObject>::Iterator
+                               i = m_stored.begin();
+                               i != m_stored.end(); i++)
+               {
+                       StaticObject &s_obj = *i;
+                       s_obj.serialize(os);
+               }
+               for(core::map<u16, StaticObject>::Iterator
+                               i = m_active.getIterator();
+                               i.atEnd()==false; i++)
+               {
+                       StaticObject s_obj = i.getNode()->getValue();
+                       s_obj.serialize(os);
+               }
+       }
+       void deSerialize(std::istream &is)
+       {
+               char buf[12];
+               // version
+               is.read(buf, 1);
+               u8 version = buf[0];
+               // count
+               is.read(buf, 2);
+               u16 count = readU16((u8*)buf);
+               for(u16 i=0; i<count; i++)
+               {
+                       StaticObject s_obj;
+                       s_obj.deSerialize(is, version);
+                       m_stored.push_back(s_obj);
+               }
+       }
+       
+       /*
+               NOTE: When an object is transformed to active, it is removed
+               from m_stored and inserted to m_active.
+               The caller directly manipulates these containers.
+       */
+       core::list<StaticObject> m_stored;
+       core::map<u16, StaticObject> m_active;
+
+private:
+};
+
+#endif
+