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Lua on each mapgen thread (#13092)

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sfan5 2024-02-13 22:47:30 +01:00 • committed by GitHub
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32 changed files with 1329 additions and 193 deletions
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src/script/cpp_api/s_mapgen.cpp Normal file
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/*
Minetest
Copyright (C) 2022 sfan5 <sfan5@live.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "cpp_api/s_mapgen.h"
#include "cpp_api/s_internal.h"
#include "common/c_converter.h"
#include "lua_api/l_vmanip.h"
#include "emerge.h"
void ScriptApiMapgen::on_mods_loaded()
{
SCRIPTAPI_PRECHECKHEADER
// Get registered shutdown hooks
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_mods_loaded");
// Call callbacks
runCallbacks(0, RUN_CALLBACKS_MODE_FIRST);
}
void ScriptApiMapgen::on_shutdown()
{
SCRIPTAPI_PRECHECKHEADER
// Get registered shutdown hooks
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_shutdown");
// Call callbacks
runCallbacks(0, RUN_CALLBACKS_MODE_FIRST);
}
void ScriptApiMapgen::on_generated(BlockMakeData *bmdata)
{
SCRIPTAPI_PRECHECKHEADER
v3s16 minp = bmdata->blockpos_min * MAP_BLOCKSIZE;
v3s16 maxp = bmdata->blockpos_max * MAP_BLOCKSIZE +
v3s16(1,1,1) * (MAP_BLOCKSIZE - 1);
LuaVoxelManip::create(L, bmdata->vmanip, true);
const int vmanip = lua_gettop(L);
// Store vmanip globally (used by helpers)
lua_getglobal(L, "core");
lua_pushvalue(L, vmanip);
lua_setfield(L, -2, "vmanip");
// Call callbacks
lua_getfield(L, -1, "registered_on_generateds");
lua_pushvalue(L, vmanip);
push_v3s16(L, minp);
push_v3s16(L, maxp);
lua_pushnumber(L, bmdata->seed);
runCallbacks(4, RUN_CALLBACKS_MODE_FIRST);
lua_pop(L, 1); // return val
// Unset core.vmanip again
lua_pushnil(L);
lua_setfield(L, -2, "vmanip");
}