src/object_properties.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 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 "exceptions.h"
  23 #include "util/serialize.h"
  24 #include <sstream>
  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         collideWithObjects(true),
  33         weight(5),
  34         collisionbox(-0.5,-0.5,-0.5, 0.5,0.5,0.5),
  35         visual("sprite"),
  36         mesh(""),
  37         visual_size(1,1),
  38         spritediv(1,1),
  39         initial_sprite_basepos(0,0),
  40         is_visible(true),
  41         makes_footstep_sound(false),
  42         automatic_rotate(0),
  43         stepheight(0),
  44         automatic_face_movement_dir(false),
  45         automatic_face_movement_dir_offset(0.0),
  46         backface_culling(true)
  47 {
  48         textures.push_back("unknown_object.png");
  49         colors.push_back(video::SColor(255,255,255,255));
  50 }
  51
  52 std::string ObjectProperties::dump()
  53 {
  54         std::ostringstream os(std::ios::binary);
  55         os<<"hp_max="<<hp_max;
  56         os<<", physical="<<physical;
  57         os<<", collideWithObjects="<<collideWithObjects;
  58         os<<", weight="<<weight;
  59         os<<", collisionbox="<<PP(collisionbox.MinEdge)<<","<<PP(collisionbox.MaxEdge);
  60         os<<", visual="<<visual;
  61         os<<", mesh="<<mesh;
  62         os<<", visual_size="<<PP2(visual_size);
  63         os<<", textures=[";
  64         for(u32 i=0; i<textures.size(); i++){
  65                 os<<"\""<<textures[i]<<"\" ";
  66         }
  67         os<<"]";
  68         os<<", colors=[";
  69         for(u32 i=0; i<colors.size(); i++){
  70                 os<<"\""<<colors[i].getAlpha()<<","<<colors[i].getRed()<<","<<colors[i].getGreen()<<","<<colors[i].getBlue()<<"\" ";
  71         }
  72         os<<"]";
  73         os<<", spritediv="<<PP2(spritediv);
  74         os<<", initial_sprite_basepos="<<PP2(initial_sprite_basepos);
  75         os<<", is_visible="<<is_visible;
  76         os<<", makes_footstep_sound="<<makes_footstep_sound;
  77         os<<", automatic_rotate="<<automatic_rotate;
  78         os<<", backface_culling="<<backface_culling;
  79         return os.str();
  80 }
  81
  82 void ObjectProperties::serialize(std::ostream &os) const
  83 {
  84         writeU8(os, 1); // version
  85         writeS16(os, hp_max);
  86         writeU8(os, physical);
  87         writeF1000(os, weight);
  88         writeV3F1000(os, collisionbox.MinEdge);
  89         writeV3F1000(os, collisionbox.MaxEdge);
  90         os<<serializeString(visual);
  91         writeV2F1000(os, visual_size);
  92         writeU16(os, textures.size());
  93         for(u32 i=0; i<textures.size(); i++){
  94                 os<<serializeString(textures[i]);
  95         }
  96         writeV2S16(os, spritediv);
  97         writeV2S16(os, initial_sprite_basepos);
  98         writeU8(os, is_visible);
  99         writeU8(os, makes_footstep_sound);
 100         writeF1000(os, automatic_rotate);
 101         // Added in protocol version 14
 102         os<<serializeString(mesh);
 103         writeU16(os, colors.size());
 104         for(u32 i=0; i<colors.size(); i++){
 105                 writeARGB8(os, colors[i]);
 106         }
 107         writeU8(os, collideWithObjects);
 108         writeF1000(os,stepheight);
 109         writeU8(os, automatic_face_movement_dir);
 110         writeF1000(os, automatic_face_movement_dir_offset);
 111         writeU8(os, backface_culling);
 112         // Add stuff only at the bottom.
 113         // Never remove anything, because we don't want new versions of this
 114 }
 115
 116 void ObjectProperties::deSerialize(std::istream &is)
 117 {
 118         int version = readU8(is);
 119         if(version == 1)
 120         {
 121                 try{
 122                         hp_max = readS16(is);
 123                         physical = readU8(is);
 124                         weight = readF1000(is);
 125                         collisionbox.MinEdge = readV3F1000(is);
 126                         collisionbox.MaxEdge = readV3F1000(is);
 127                         visual = deSerializeString(is);
 128                         visual_size = readV2F1000(is);
 129                         textures.clear();
 130                         u32 texture_count = readU16(is);
 131                         for(u32 i=0; i<texture_count; i++){
 132                                 textures.push_back(deSerializeString(is));
 133                         }
 134                         spritediv = readV2S16(is);
 135                         initial_sprite_basepos = readV2S16(is);
 136                         is_visible = readU8(is);
 137                         makes_footstep_sound = readU8(is);
 138                         automatic_rotate = readF1000(is);
 139                         mesh = deSerializeString(is);
 140                         u32 color_count = readU16(is);
 141                         for(u32 i=0; i<color_count; i++){
 142                                 colors.push_back(readARGB8(is));
 143                         }
 144                         collideWithObjects = readU8(is);
 145                         stepheight = readF1000(is);
 146                         automatic_face_movement_dir = readU8(is);
 147                         automatic_face_movement_dir_offset = readF1000(is);
 148                         backface_culling = readU8(is);
 149                 }catch(SerializationError &e){}
 150         }
 151         else
 152         {
 153                 throw SerializationError("unsupported ObjectProperties version");
 154         }
 155 }