src/object_properties.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2012 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 Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser 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 "object_properties.h"
  21 #include "utility.h"
  22
  23 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
  24 #define PP2(x) "("<<(x).X<<","<<(x).Y<<")"
  25
  26 ObjectProperties::ObjectProperties():
  27         hp_max(1),
  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         is_visible(true),
  36         makes_footstep_sound(false),
  37         automatic_rotate(0)
  38 {
  39         textures.push_back("unknown_object.png");
  40 }
  41
  42 std::string ObjectProperties::dump()
  43 {
  44         std::ostringstream os(std::ios::binary);
  45         os<<"hp_max="<<hp_max;
  46         os<<", physical="<<physical;
  47         os<<", weight="<<weight;
  48         os<<", collisionbox="<<PP(collisionbox.MinEdge)<<","<<PP(collisionbox.MaxEdge);
  49         os<<", visual="<<visual;
  50         os<<", visual_size="<<PP2(visual_size);
  51         os<<", textures=[";
  52         for(u32 i=0; i<textures.size(); i++){
  53                 os<<"\""<<textures[i]<<"\" ";
  54         }
  55         os<<"]";
  56         os<<", spritediv="<<PP2(spritediv);
  57         os<<", initial_sprite_basepos="<<PP2(initial_sprite_basepos);
  58         os<<", is_visible="<<is_visible;
  59         os<<", makes_footstep_sound="<<makes_footstep_sound;
  60         os<<", automatic_rotate="<<automatic_rotate;
  61         return os.str();
  62 }
  63
  64 void ObjectProperties::serialize(std::ostream &os) const
  65 {
  66         writeU8(os, 1); // version
  67         writeS16(os, hp_max);
  68         writeU8(os, physical);
  69         writeF1000(os, weight);
  70         writeV3F1000(os, collisionbox.MinEdge);
  71         writeV3F1000(os, collisionbox.MaxEdge);
  72         os<<serializeString(visual);
  73         writeV2F1000(os, visual_size);
  74         writeU16(os, textures.size());
  75         for(u32 i=0; i<textures.size(); i++){
  76                 os<<serializeString(textures[i]);
  77         }
  78         writeV2S16(os, spritediv);
  79         writeV2S16(os, initial_sprite_basepos);
  80         writeU8(os, is_visible);
  81         writeU8(os, makes_footstep_sound);
  82         writeF1000(os, automatic_rotate);
  83 }
  84
  85 void ObjectProperties::deSerialize(std::istream &is)
  86 {
  87         int version = readU8(is);
  88         if(version != 1) throw SerializationError(
  89                         "unsupported ObjectProperties version");
  90         hp_max = readS16(is);
  91         physical = readU8(is);
  92         weight = readF1000(is);
  93         collisionbox.MinEdge = readV3F1000(is);
  94         collisionbox.MaxEdge = readV3F1000(is);
  95         visual = deSerializeString(is);
  96         visual_size = readV2F1000(is);
  97         textures.clear();
  98         u32 texture_count = readU16(is);
  99         for(u32 i=0; i<texture_count; i++){
 100                 textures.push_back(deSerializeString(is));
 101         }
 102         spritediv = readV2S16(is);
 103         initial_sprite_basepos = readV2S16(is);
 104         is_visible = readU8(is);
 105         makes_footstep_sound = readU8(is);
 106         try{
 107                 automatic_rotate = readF1000(is);
 108         }catch(SerializationError &e){}
 109 }
 110
 111