src/luaentity_common.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "luaentity_common.h"
  21
  22 #include "utility.h"
  23
  24 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
  25 #define PP2(x) "("<<(x).X<<","<<(x).Y<<")"
  26
  27 LuaEntityProperties::LuaEntityProperties():
  28         physical(false),
  29         weight(5),
  30         collisionbox(-0.5,-0.5,-0.5, 0.5,0.5,0.5),
  31         visual("sprite"),
  32         visual_size(1,1),
  33         spritediv(1,1),
  34         initial_sprite_basepos(0,0)
  35 {
  36         textures.push_back("unknown_object.png");
  37 }
  38
  39 std::string LuaEntityProperties::dump()
  40 {
  41         std::ostringstream os(std::ios::binary);
  42         os<<"physical="<<physical;
  43         os<<", weight="<<weight;
  44         os<<", collisionbox="<<PP(collisionbox.MinEdge)<<","<<PP(collisionbox.MaxEdge);
  45         os<<", visual="<<visual;
  46         os<<", visual_size="<<PP2(visual_size);
  47         os<<", textures=[";
  48         for(u32 i=0; i<textures.size(); i++){
  49                 os<<"\""<<textures[i]<<"\" ";
  50         }
  51         os<<"]";
  52         os<<", spritediv="<<PP2(spritediv);
  53         os<<", initial_sprite_basepos="<<PP2(initial_sprite_basepos);
  54         return os.str();
  55 }
  56
  57 void LuaEntityProperties::serialize(std::ostream &os)
  58 {
  59         writeU8(os, 0); // version
  60         writeU8(os, physical);
  61         writeF1000(os, weight);
  62         writeV3F1000(os, collisionbox.MinEdge);
  63         writeV3F1000(os, collisionbox.MaxEdge);
  64         os<<serializeString(visual);
  65         writeV2F1000(os, visual_size);
  66         writeU16(os, textures.size());
  67         for(u32 i=0; i<textures.size(); i++){
  68                 os<<serializeString(textures[i]);
  69         }
  70         writeV2S16(os, spritediv);
  71         writeV2S16(os, initial_sprite_basepos);
  72 }
  73
  74 void LuaEntityProperties::deSerialize(std::istream &is)
  75 {
  76         int version = readU8(is);
  77         if(version != 0) throw SerializationError(
  78                         "unsupported LuaEntityProperties version");
  79         physical = readU8(is);
  80         weight = readF1000(is);
  81         collisionbox.MinEdge = readV3F1000(is);
  82         collisionbox.MaxEdge = readV3F1000(is);
  83         visual = deSerializeString(is);
  84         visual_size = readV2F1000(is);
  85         textures.clear();
  86         u32 texture_count = readU16(is);
  87         for(u32 i=0; i<texture_count; i++){
  88                 textures.push_back(deSerializeString(is));
  89         }
  90         spritediv = readV2S16(is);
  91         initial_sprite_basepos = readV2S16(is);
  92 }
  93
  94