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         hp_max(1),
  29         physical(false),
  30         weight(5),
  31         collisionbox(-0.5,-0.5,-0.5, 0.5,0.5,0.5),
  32         visual("sprite"),
  33         visual_size(1,1),
  34         spritediv(1,1),
  35         initial_sprite_basepos(0,0)
  36 {
  37         textures.push_back("unknown_object.png");
  38 }
  39
  40 std::string LuaEntityProperties::dump()
  41 {
  42         std::ostringstream os(std::ios::binary);
  43         os<<"hp_max="<<hp_max;
  44         os<<", physical="<<physical;
  45         os<<", weight="<<weight;
  46         os<<", collisionbox="<<PP(collisionbox.MinEdge)<<","<<PP(collisionbox.MaxEdge);
  47         os<<", visual="<<visual;
  48         os<<", visual_size="<<PP2(visual_size);
  49         os<<", textures=[";
  50         for(u32 i=0; i<textures.size(); i++){
  51                 os<<"\""<<textures[i]<<"\" ";
  52         }
  53         os<<"]";
  54         os<<", spritediv="<<PP2(spritediv);
  55         os<<", initial_sprite_basepos="<<PP2(initial_sprite_basepos);
  56         return os.str();
  57 }
  58
  59 void LuaEntityProperties::serialize(std::ostream &os)
  60 {
  61         writeU8(os, 1); // version
  62         writeS16(os, hp_max);
  63         writeU8(os, physical);
  64         writeF1000(os, weight);
  65         writeV3F1000(os, collisionbox.MinEdge);
  66         writeV3F1000(os, collisionbox.MaxEdge);
  67         os<<serializeString(visual);
  68         writeV2F1000(os, visual_size);
  69         writeU16(os, textures.size());
  70         for(u32 i=0; i<textures.size(); i++){
  71                 os<<serializeString(textures[i]);
  72         }
  73         writeV2S16(os, spritediv);
  74         writeV2S16(os, initial_sprite_basepos);
  75 }
  76
  77 void LuaEntityProperties::deSerialize(std::istream &is)
  78 {
  79         int version = readU8(is);
  80         if(version != 1) throw SerializationError(
  81                         "unsupported LuaEntityProperties version");
  82         hp_max = readS16(is);
  83         physical = readU8(is);
  84         weight = readF1000(is);
  85         collisionbox.MinEdge = readV3F1000(is);
  86         collisionbox.MaxEdge = readV3F1000(is);
  87         visual = deSerializeString(is);
  88         visual_size = readV2F1000(is);
  89         textures.clear();
  90         u32 texture_count = readU16(is);
  91         for(u32 i=0; i<texture_count; i++){
  92                 textures.push_back(deSerializeString(is));
  93         }
  94         spritediv = readV2S16(is);
  95         initial_sprite_basepos = readV2S16(is);
  96 }
  97
  98