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Add callback parameter for core.emerge_area()

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This commit is contained in:
kwolekr 2015-10-30 02:48:37 -04:00
parent 5c3546e459
commit c2b5da735e
9 changed files with 166 additions and 22 deletions
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39
src/script/cpp_api/s_env.cpp
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@ -157,3 +157,42 @@ void ScriptApiEnv::initializeEnvironment(ServerEnvironment *env)
}
lua_pop(L, 1);
}
void ScriptApiEnv::on_emerge_area_completion(
v3s16 blockpos, int action, ScriptCallbackState *state)
{
Server *server = getServer();
// Note that the order of these locks is important! Envlock must *ALWAYS*
// be acquired before attempting to acquire scriptlock, or else ServerThread
// will try to acquire scriptlock after it already owns envlock, thus
// deadlocking EmergeThread and ServerThread
MutexAutoLock envlock(server->m_env_mutex);
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, state->callback_ref);
luaL_checktype(L, -1, LUA_TFUNCTION);
push_v3s16(L, blockpos);
lua_pushinteger(L, action);
lua_pushinteger(L, state->refcount);
lua_rawgeti(L, LUA_REGISTRYINDEX, state->args_ref);
setOriginDirect(state->origin.c_str());
try {
PCALL_RES(lua_pcall(L, 4, 0, error_handler));
} catch (LuaError &e) {
server->setAsyncFatalError(e.what());
}
lua_pop(L, 1); // Pop error handler
if (state->refcount == 0) {
luaL_unref(L, LUA_REGISTRYINDEX, state->callback_ref);
luaL_unref(L, LUA_REGISTRYINDEX, state->args_ref);
}
}