src/genericobject.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 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 "genericobject.h"
  21 #include "utility.h"
  22 #include <sstream>
  23
  24 std::string gob_cmd_set_properties(const ObjectProperties &prop)
  25 {
  26         std::ostringstream os(std::ios::binary);
  27         writeU8(os, GENERIC_CMD_SET_PROPERTIES);
  28         writeS16(os, prop.hp_max);
  29         writeU8(os, prop.physical);
  30         writeF1000(os, prop.weight);
  31         writeV3F1000(os, prop.collisionbox.MinEdge);
  32         writeV3F1000(os, prop.collisionbox.MaxEdge);
  33         os<<serializeString(prop.visual);
  34         writeV2F1000(os, prop.visual_size);
  35         writeU16(os, prop.textures.size());
  36         for(u32 i=0; i<prop.textures.size(); i++){
  37                 os<<serializeString(prop.textures[i]);
  38         }
  39         writeV2S16(os, prop.spritediv);
  40         writeV2S16(os, prop.initial_sprite_basepos);
  41         writeU8(os, prop.is_visible);
  42         writeU8(os, prop.makes_footstep_sound);
  43         return os.str();
  44 }
  45
  46 ObjectProperties gob_read_set_properties(std::istream &is)
  47 {
  48         ObjectProperties prop;
  49         prop.hp_max = readS16(is);
  50         prop.physical = readU8(is);
  51         prop.weight = readF1000(is);
  52         prop.collisionbox.MinEdge = readV3F1000(is);
  53         prop.collisionbox.MaxEdge = readV3F1000(is);
  54         prop.visual = deSerializeString(is);
  55         prop.visual_size = readV2F1000(is);
  56         prop.textures.clear();
  57         u32 texture_count = readU16(is);
  58         for(u32 i=0; i<texture_count; i++){
  59                 prop.textures.push_back(deSerializeString(is));
  60         }
  61         prop.spritediv = readV2S16(is);
  62         prop.initial_sprite_basepos = readV2S16(is);
  63         prop.is_visible = readU8(is);
  64         prop.makes_footstep_sound = readU8(is);
  65         return prop;
  66 }
  67
  68 std::string gob_cmd_update_position(
  69         v3f position,
  70         v3f velocity,
  71         v3f acceleration,
  72         f32 yaw,
  73         bool do_interpolate,
  74         bool is_movement_end,
  75         f32 update_interval
  76 ){
  77         std::ostringstream os(std::ios::binary);
  78         // command
  79         writeU8(os, GENERIC_CMD_UPDATE_POSITION);
  80         // pos
  81         writeV3F1000(os, position);
  82         // velocity
  83         writeV3F1000(os, velocity);
  84         // acceleration
  85         writeV3F1000(os, acceleration);
  86         // yaw
  87         writeF1000(os, yaw);
  88         // do_interpolate
  89         writeU8(os, do_interpolate);
  90         // is_end_position (for interpolation)
  91         writeU8(os, is_movement_end);
  92         // update_interval (for interpolation)
  93         writeF1000(os, update_interval);
  94         return os.str();
  95 }
  96
  97 std::string gob_cmd_set_texture_mod(const std::string &mod)
  98 {
  99         std::ostringstream os(std::ios::binary);
 100         // command
 101         writeU8(os, GENERIC_CMD_SET_TEXTURE_MOD);
 102         // parameters
 103         os<<serializeString(mod);
 104         return os.str();
 105 }
 106
 107 std::string gob_cmd_set_sprite(
 108         v2s16 p,
 109         u16 num_frames,
 110         f32 framelength,
 111         bool select_horiz_by_yawpitch
 112 ){
 113         std::ostringstream os(std::ios::binary);
 114         // command
 115         writeU8(os, GENERIC_CMD_SET_SPRITE);
 116         // parameters
 117         writeV2S16(os, p);
 118         writeU16(os, num_frames);
 119         writeF1000(os, framelength);
 120         writeU8(os, select_horiz_by_yawpitch);
 121         return os.str();
 122 }
 123
 124 std::string gob_cmd_punched(s16 damage, s16 result_hp)
 125 {
 126         std::ostringstream os(std::ios::binary);
 127         // command
 128         writeU8(os, GENERIC_CMD_PUNCHED);
 129         // damage
 130         writeS16(os, damage);
 131         // result_hp
 132         writeS16(os, result_hp);
 133         return os.str();
 134 }
 135
 136 std::string gob_cmd_update_armor_groups(const ItemGroupList &armor_groups)
 137 {
 138         std::ostringstream os(std::ios::binary);
 139         writeU8(os, GENERIC_CMD_UPDATE_ARMOR_GROUPS);
 140         writeU16(os, armor_groups.size());
 141         for(ItemGroupList::const_iterator i = armor_groups.begin();
 142                         i != armor_groups.end(); i++){
 143                 os<<serializeString(i->first);
 144                 writeS16(os, i->second);
 145         }
 146         return os.str();
 147 }
 148
 149