src/script/cpp_api/s_node.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 "cpp_api/s_node.h"
  21 #include "cpp_api/s_internal.h"
  22 #include "common/c_converter.h"
  23 #include "common/c_content.h"
  24 #include "nodedef.h"
  25 #include "server.h"
  26 #include "environment.h"
  27 #include "util/pointedthing.h"
  28
  29
  30 struct EnumString ScriptApiNode::es_DrawType[] =
  31         {
  32                 {NDT_NORMAL, "normal"},
  33                 {NDT_AIRLIKE, "airlike"},
  34                 {NDT_LIQUID, "liquid"},
  35                 {NDT_FLOWINGLIQUID, "flowingliquid"},
  36                 {NDT_GLASSLIKE, "glasslike"},
  37                 {NDT_GLASSLIKE_FRAMED, "glasslike_framed"},
  38                 {NDT_GLASSLIKE_FRAMED_OPTIONAL, "glasslike_framed_optional"},
  39                 {NDT_ALLFACES, "allfaces"},
  40                 {NDT_ALLFACES_OPTIONAL, "allfaces_optional"},
  41                 {NDT_TORCHLIKE, "torchlike"},
  42                 {NDT_SIGNLIKE, "signlike"},
  43                 {NDT_PLANTLIKE, "plantlike"},
  44                 {NDT_FIRELIKE, "firelike"},
  45                 {NDT_FENCELIKE, "fencelike"},
  46                 {NDT_RAILLIKE, "raillike"},
  47                 {NDT_NODEBOX, "nodebox"},
  48                 {NDT_MESH, "mesh"},
  49                 {0, NULL},
  50         };
  51
  52 struct EnumString ScriptApiNode::es_ContentParamType2[] =
  53         {
  54                 {CPT2_NONE, "none"},
  55                 {CPT2_FULL, "full"},
  56                 {CPT2_FLOWINGLIQUID, "flowingliquid"},
  57                 {CPT2_FACEDIR, "facedir"},
  58                 {CPT2_WALLMOUNTED, "wallmounted"},
  59                 {CPT2_LEVELED, "leveled"},
  60                 {CPT2_DEGROTATE, "degrotate"},
  61                 {CPT2_MESHOPTIONS, "meshoptions"},
  62                 {CPT2_COLOR, "color"},
  63                 {CPT2_COLORED_FACEDIR, "colorfacedir"},
  64                 {CPT2_COLORED_WALLMOUNTED, "colorwallmounted"},
  65                 {CPT2_GLASSLIKE_LIQUID_LEVEL, "glasslikeliquidlevel"},
  66                 {0, NULL},
  67         };
  68
  69 struct EnumString ScriptApiNode::es_LiquidType[] =
  70         {
  71                 {LIQUID_NONE, "none"},
  72                 {LIQUID_FLOWING, "flowing"},
  73                 {LIQUID_SOURCE, "source"},
  74                 {0, NULL},
  75         };
  76
  77 struct EnumString ScriptApiNode::es_ContentParamType[] =
  78         {
  79                 {CPT_NONE, "none"},
  80                 {CPT_LIGHT, "light"},
  81                 {0, NULL},
  82         };
  83
  84 struct EnumString ScriptApiNode::es_NodeBoxType[] =
  85         {
  86                 {NODEBOX_REGULAR, "regular"},
  87                 {NODEBOX_FIXED, "fixed"},
  88                 {NODEBOX_WALLMOUNTED, "wallmounted"},
  89                 {NODEBOX_LEVELED, "leveled"},
  90                 {NODEBOX_CONNECTED, "connected"},
  91                 {0, NULL},
  92         };
  93
  94 ScriptApiNode::ScriptApiNode() {
  95 }
  96
  97 ScriptApiNode::~ScriptApiNode() {
  98 }
  99
 100 bool ScriptApiNode::node_on_punch(v3s16 p, MapNode node,
 101                 ServerActiveObject *puncher, PointedThing pointed)
 102 {
 103         SCRIPTAPI_PRECHECKHEADER
 104
 105         int error_handler = PUSH_ERROR_HANDLER(L);
 106
 107         INodeDefManager *ndef = getServer()->ndef();
 108
 109         // Push callback function on stack
 110         if (!getItemCallback(ndef->get(node).name.c_str(), "on_punch"))
 111                 return false;
 112
 113         // Call function
 114         push_v3s16(L, p);
 115         pushnode(L, node, ndef);
 116         objectrefGetOrCreate(L, puncher);
 117         pushPointedThing(pointed);
 118         PCALL_RES(lua_pcall(L, 4, 0, error_handler));
 119         lua_pop(L, 1);  // Pop error handler
 120         return true;
 121 }
 122
 123 bool ScriptApiNode::node_on_dig(v3s16 p, MapNode node,
 124                 ServerActiveObject *digger)
 125 {
 126         SCRIPTAPI_PRECHECKHEADER
 127
 128         int error_handler = PUSH_ERROR_HANDLER(L);
 129
 130         INodeDefManager *ndef = getServer()->ndef();
 131
 132         // Push callback function on stack
 133         if (!getItemCallback(ndef->get(node).name.c_str(), "on_dig"))
 134                 return false;
 135
 136         // Call function
 137         push_v3s16(L, p);
 138         pushnode(L, node, ndef);
 139         objectrefGetOrCreate(L, digger);
 140         PCALL_RES(lua_pcall(L, 3, 0, error_handler));
 141         lua_pop(L, 1);  // Pop error handler
 142         return true;
 143 }
 144
 145 void ScriptApiNode::node_on_construct(v3s16 p, MapNode node)
 146 {
 147         SCRIPTAPI_PRECHECKHEADER
 148
 149         int error_handler = PUSH_ERROR_HANDLER(L);
 150
 151         INodeDefManager *ndef = getServer()->ndef();
 152
 153         // Push callback function on stack
 154         if (!getItemCallback(ndef->get(node).name.c_str(), "on_construct"))
 155                 return;
 156
 157         // Call function
 158         push_v3s16(L, p);
 159         PCALL_RES(lua_pcall(L, 1, 0, error_handler));
 160         lua_pop(L, 1);  // Pop error handler
 161 }
 162
 163 void ScriptApiNode::node_on_destruct(v3s16 p, MapNode node)
 164 {
 165         SCRIPTAPI_PRECHECKHEADER
 166
 167         int error_handler = PUSH_ERROR_HANDLER(L);
 168
 169         INodeDefManager *ndef = getServer()->ndef();
 170
 171         // Push callback function on stack
 172         if (!getItemCallback(ndef->get(node).name.c_str(), "on_destruct"))
 173                 return;
 174
 175         // Call function
 176         push_v3s16(L, p);
 177         PCALL_RES(lua_pcall(L, 1, 0, error_handler));
 178         lua_pop(L, 1);  // Pop error handler
 179 }
 180
 181 void ScriptApiNode::node_after_destruct(v3s16 p, MapNode node)
 182 {
 183         SCRIPTAPI_PRECHECKHEADER
 184
 185         int error_handler = PUSH_ERROR_HANDLER(L);
 186
 187         INodeDefManager *ndef = getServer()->ndef();
 188
 189         // Push callback function on stack
 190         if (!getItemCallback(ndef->get(node).name.c_str(), "after_destruct"))
 191                 return;
 192
 193         // Call function
 194         push_v3s16(L, p);
 195         pushnode(L, node, ndef);
 196         PCALL_RES(lua_pcall(L, 2, 0, error_handler));
 197         lua_pop(L, 1);  // Pop error handler
 198 }
 199
 200 bool ScriptApiNode::node_on_timer(v3s16 p, MapNode node, f32 dtime)
 201 {
 202         SCRIPTAPI_PRECHECKHEADER
 203
 204         int error_handler = PUSH_ERROR_HANDLER(L);
 205
 206         INodeDefManager *ndef = getServer()->ndef();
 207
 208         // Push callback function on stack
 209         if (!getItemCallback(ndef->get(node).name.c_str(), "on_timer"))
 210                 return false;
 211
 212         // Call function
 213         push_v3s16(L, p);
 214         lua_pushnumber(L,dtime);
 215         PCALL_RES(lua_pcall(L, 2, 1, error_handler));
 216         lua_remove(L, error_handler);
 217         return (bool) lua_isboolean(L, -1) && (bool) lua_toboolean(L, -1) == true;
 218 }
 219
 220 void ScriptApiNode::node_on_receive_fields(v3s16 p,
 221                 const std::string &formname,
 222                 const StringMap &fields,
 223                 ServerActiveObject *sender)
 224 {
 225         SCRIPTAPI_PRECHECKHEADER
 226
 227         int error_handler = PUSH_ERROR_HANDLER(L);
 228
 229         INodeDefManager *ndef = getServer()->ndef();
 230
 231         // If node doesn't exist, we don't know what callback to call
 232         MapNode node = getEnv()->getMap().getNodeNoEx(p);
 233         if (node.getContent() == CONTENT_IGNORE)
 234                 return;
 235
 236         // Push callback function on stack
 237         if (!getItemCallback(ndef->get(node).name.c_str(), "on_receive_fields"))
 238                 return;
 239
 240         // Call function
 241         push_v3s16(L, p);                    // pos
 242         lua_pushstring(L, formname.c_str()); // formname
 243         lua_newtable(L);                     // fields
 244         StringMap::const_iterator it;
 245         for (it = fields.begin(); it != fields.end(); it++) {
 246                 const std::string &name = it->first;
 247                 const std::string &value = it->second;
 248                 lua_pushstring(L, name.c_str());
 249                 lua_pushlstring(L, value.c_str(), value.size());
 250                 lua_settable(L, -3);
 251         }
 252         objectrefGetOrCreate(L, sender);        // player
 253         PCALL_RES(lua_pcall(L, 4, 0, error_handler));
 254         lua_pop(L, 1);  // Pop error handler
 255 }
 256
 257 void ScriptApiNode::node_falling_update(v3s16 p)
 258 {
 259         SCRIPTAPI_PRECHECKHEADER
 260
 261         int error_handler = PUSH_ERROR_HANDLER(L);
 262
 263         lua_getglobal(L, "nodeupdate");
 264         push_v3s16(L, p);
 265         PCALL_RES(lua_pcall(L, 1, 0, error_handler));
 266         lua_pop(L, 1);  // Pop error handler
 267 }
 268
 269 void ScriptApiNode::node_falling_update_single(v3s16 p)
 270 {
 271         SCRIPTAPI_PRECHECKHEADER
 272
 273         int error_handler = PUSH_ERROR_HANDLER(L);
 274
 275         lua_getglobal(L, "nodeupdate_single");
 276         push_v3s16(L, p);
 277         PCALL_RES(lua_pcall(L, 1, 0, error_handler));
 278         lua_pop(L, 1);  // Pop error handler
 279 }