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 "irrlichttypes_bloated.h"
  22 #include "util/serialize.h"
  23 #include <sstream>
  24 #include <map>
  25
  26 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
  27 #define PP2(x) "("<<(x).X<<","<<(x).Y<<")"
  28
  29 ObjectProperties::ObjectProperties():
  30         hp_max(1),
  31         physical(false),
  32         weight(5),
  33         collisionbox(-0.5,-0.5,-0.5, 0.5,0.5,0.5),
  34         visual("sprite"),
  35         mesh(""),
  36         visual_size(1,1),
  37         spritediv(1,1),
  38         initial_sprite_basepos(0,0),
  39         is_visible(true),
  40         makes_footstep_sound(false),
  41         automatic_rotate(0)
  42 {
  43         textures.push_back("unknown_object.png");
  44         colors.push_back(video::SColor(255,255,255,255));
  45 }
  46
  47 std::string ObjectProperties::dump()
  48 {
  49         std::ostringstream os(std::ios::binary);
  50         os<<"hp_max="<<hp_max;
  51         os<<", physical="<<physical;
  52         os<<", weight="<<weight;
  53         os<<", collisionbox="<<PP(collisionbox.MinEdge)<<","<<PP(collisionbox.MaxEdge);
  54         os<<", visual="<<visual;
  55         os<<", mesh="<<mesh;
  56         os<<", visual_size="<<PP2(visual_size);
  57         os<<", textures=[";
  58         for(u32 i=0; i<textures.size(); i++){
  59                 os<<"\""<<textures[i]<<"\" ";
  60         }
  61         os<<"]";
  62         os<<", colors=[";
  63         for(u32 i=0; i<colors.size(); i++){
  64                 os<<"\""<<colors[i].getAlpha()<<","<<colors[i].getRed()<<","<<colors[i].getGreen()<<","<<colors[i].getBlue()<<"\" ";
  65         }
  66         os<<"]";
  67         os<<", spritediv="<<PP2(spritediv);
  68         os<<", initial_sprite_basepos="<<PP2(initial_sprite_basepos);
  69         os<<", is_visible="<<is_visible;
  70         os<<", makes_footstep_sound="<<makes_footstep_sound;
  71         os<<", automatic_rotate="<<automatic_rotate;
  72         return os.str();
  73 }
  74
  75 void ObjectProperties::serialize(std::ostream &os) const
  76 {
  77         writeU8(os, 2); // version
  78         writeS16(os, hp_max);
  79         writeU8(os, physical);
  80         writeF1000(os, weight);
  81         writeV3F1000(os, collisionbox.MinEdge);
  82         writeV3F1000(os, collisionbox.MaxEdge);
  83         os<<serializeString(visual);
  84         os<<serializeString(mesh);
  85         writeV2F1000(os, visual_size);
  86         writeU16(os, textures.size());
  87         for(u32 i=0; i<textures.size(); i++){
  88                 os<<serializeString(textures[i]);
  89         }
  90         writeU16(os, colors.size());
  91         for(u32 i=0; i<colors.size(); i++){
  92                 writeARGB8(os, colors[i]);
  93         }
  94         writeV2S16(os, spritediv);
  95         writeV2S16(os, initial_sprite_basepos);
  96         writeU8(os, is_visible);
  97         writeU8(os, makes_footstep_sound);
  98         writeF1000(os, automatic_rotate);
  99         // Stuff below should be moved to correct place in a version that otherwise changes
 100         // the protocol version
 101 }
 102
 103 void ObjectProperties::deSerialize(std::istream &is)
 104 {
 105         int version = readU8(is);
 106         if(version == 2) // In PROTOCOL_VERSION 14
 107         {
 108                 hp_max = readS16(is);
 109                 physical = readU8(is);
 110                 weight = readF1000(is);
 111                 collisionbox.MinEdge = readV3F1000(is);
 112                 collisionbox.MaxEdge = readV3F1000(is);
 113                 visual = deSerializeString(is);
 114                 mesh = deSerializeString(is);
 115                 visual_size = readV2F1000(is);
 116                 textures.clear();
 117                 u32 texture_count = readU16(is);
 118                 for(u32 i=0; i<texture_count; i++){
 119                         textures.push_back(deSerializeString(is));
 120                 }
 121                 u32 color_count = readU16(is);
 122                 for(u32 i=0; i<color_count; i++){
 123                         colors.push_back(readARGB8(is));
 124                 }
 125                 spritediv = readV2S16(is);
 126                 initial_sprite_basepos = readV2S16(is);
 127                 is_visible = readU8(is);
 128                 makes_footstep_sound = readU8(is);
 129                 automatic_rotate = readF1000(is);
 130                 // If you add anything here, insert it primarily inside the try-catch
 131                 // block to not need to increase the version.
 132                 try{
 133                         // Stuff below should be moved to correct place in a version that
 134                         // otherwise changes the protocol version
 135                 }catch(SerializationError &e){}
 136         }
 137         else if(version == 1) // In PROTOCOL_VERSION 13
 138         {
 139                 hp_max = readS16(is);
 140                 physical = readU8(is);
 141                 weight = readF1000(is);
 142                 collisionbox.MinEdge = readV3F1000(is);
 143                 collisionbox.MaxEdge = readV3F1000(is);
 144                 visual = deSerializeString(is);
 145                 visual_size = readV2F1000(is);
 146                 textures.clear();
 147                 u32 texture_count = readU16(is);
 148                 for(u32 i=0; i<texture_count; i++){
 149                         textures.push_back(deSerializeString(is));
 150                 }
 151                 spritediv = readV2S16(is);
 152                 initial_sprite_basepos = readV2S16(is);
 153                 is_visible = readU8(is);
 154                 makes_footstep_sound = readU8(is);
 155                 try{
 156                         automatic_rotate = readF1000(is);
 157                 }catch(SerializationError &e){}
 158         }
 159         else
 160         {
 161                 throw SerializationError("unsupported ObjectProperties version");
 162         }
 163 }
 164