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         nametag(""),
  48         nametag_color(255, 255, 255, 255),
  49         automatic_face_movement_max_rotation_per_sec(-1)
  50 {
  51         textures.push_back("unknown_object.png");
  52         colors.push_back(video::SColor(255,255,255,255));
  53 }
  54
  55 std::string ObjectProperties::dump()
  56 {
  57         std::ostringstream os(std::ios::binary);
  58         os<<"hp_max="<<hp_max;
  59         os<<", physical="<<physical;
  60         os<<", collideWithObjects="<<collideWithObjects;
  61         os<<", weight="<<weight;
  62         os<<", collisionbox="<<PP(collisionbox.MinEdge)<<","<<PP(collisionbox.MaxEdge);
  63         os<<", visual="<<visual;
  64         os<<", mesh="<<mesh;
  65         os<<", visual_size="<<PP2(visual_size);
  66         os<<", textures=[";
  67         for(u32 i=0; i<textures.size(); i++){
  68                 os<<"\""<<textures[i]<<"\" ";
  69         }
  70         os<<"]";
  71         os<<", colors=[";
  72         for(u32 i=0; i<colors.size(); i++){
  73                 os<<"\""<<colors[i].getAlpha()<<","<<colors[i].getRed()<<","<<colors[i].getGreen()<<","<<colors[i].getBlue()<<"\" ";
  74         }
  75         os<<"]";
  76         os<<", spritediv="<<PP2(spritediv);
  77         os<<", initial_sprite_basepos="<<PP2(initial_sprite_basepos);
  78         os<<", is_visible="<<is_visible;
  79         os<<", makes_footstep_sound="<<makes_footstep_sound;
  80         os<<", automatic_rotate="<<automatic_rotate;
  81         os<<", backface_culling="<<backface_culling;
  82         os << ", nametag=" << nametag;
  83         os << ", nametag_color=" << "\"" << nametag_color.getAlpha() << "," << nametag_color.getRed()
  84                         << "," << nametag_color.getGreen() << "," << nametag_color.getBlue() << "\" ";
  85         return os.str();
  86 }
  87
  88 void ObjectProperties::serialize(std::ostream &os) const
  89 {
  90         writeU8(os, 1); // version
  91         writeS16(os, hp_max);
  92         writeU8(os, physical);
  93         writeF1000(os, weight);
  94         writeV3F1000(os, collisionbox.MinEdge);
  95         writeV3F1000(os, collisionbox.MaxEdge);
  96         os<<serializeString(visual);
  97         writeV2F1000(os, visual_size);
  98         writeU16(os, textures.size());
  99         for(u32 i=0; i<textures.size(); i++){
 100                 os<<serializeString(textures[i]);
 101         }
 102         writeV2S16(os, spritediv);
 103         writeV2S16(os, initial_sprite_basepos);
 104         writeU8(os, is_visible);
 105         writeU8(os, makes_footstep_sound);
 106         writeF1000(os, automatic_rotate);
 107         // Added in protocol version 14
 108         os<<serializeString(mesh);
 109         writeU16(os, colors.size());
 110         for(u32 i=0; i<colors.size(); i++){
 111                 writeARGB8(os, colors[i]);
 112         }
 113         writeU8(os, collideWithObjects);
 114         writeF1000(os,stepheight);
 115         writeU8(os, automatic_face_movement_dir);
 116         writeF1000(os, automatic_face_movement_dir_offset);
 117         writeU8(os, backface_culling);
 118         os << serializeString(nametag);
 119         writeARGB8(os, nametag_color);
 120         writeF1000(os, automatic_face_movement_max_rotation_per_sec);
 121
 122         // Add stuff only at the bottom.
 123         // Never remove anything, because we don't want new versions of this
 124 }
 125
 126 void ObjectProperties::deSerialize(std::istream &is)
 127 {
 128         int version = readU8(is);
 129         if(version == 1)
 130         {
 131                 try{
 132                         hp_max = readS16(is);
 133                         physical = readU8(is);
 134                         weight = readF1000(is);
 135                         collisionbox.MinEdge = readV3F1000(is);
 136                         collisionbox.MaxEdge = readV3F1000(is);
 137                         visual = deSerializeString(is);
 138                         visual_size = readV2F1000(is);
 139                         textures.clear();
 140                         u32 texture_count = readU16(is);
 141                         for(u32 i=0; i<texture_count; i++){
 142                                 textures.push_back(deSerializeString(is));
 143                         }
 144                         spritediv = readV2S16(is);
 145                         initial_sprite_basepos = readV2S16(is);
 146                         is_visible = readU8(is);
 147                         makes_footstep_sound = readU8(is);
 148                         automatic_rotate = readF1000(is);
 149                         mesh = deSerializeString(is);
 150                         u32 color_count = readU16(is);
 151                         for(u32 i=0; i<color_count; i++){
 152                                 colors.push_back(readARGB8(is));
 153                         }
 154                         collideWithObjects = readU8(is);
 155                         stepheight = readF1000(is);
 156                         automatic_face_movement_dir = readU8(is);
 157                         automatic_face_movement_dir_offset = readF1000(is);
 158                         backface_culling = readU8(is);
 159                         nametag = deSerializeString(is);
 160                         nametag_color = readARGB8(is);
 161                         automatic_face_movement_max_rotation_per_sec = readF1000(is);
 162                 }catch(SerializationError &e){}
 163         }
 164         else
 165         {
 166                 throw SerializationError("unsupported ObjectProperties version");
 167         }
 168 }