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path: root/src/script/cpp_api/s_mainmenu.cpp
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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

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_mainmenu.h"
#include "cpp_api/s_internal.h"
#include "common/c_converter.h"

void ScriptApiMainMenu::setMainMenuData(MainMenuDataForScript *data)
{
	SCRIPTAPI_PRECHECKHEADER

	lua_getglobal(L, "gamedata");
	int gamedata_idx = lua_gettop(L);
	lua_pushstring(L, "errormessage");
	if (!data->errormessage.empty()) {
		lua_pushstring(L, data->errormessage.c_str());
	} else {
		lua_pushnil(L);
	}
	lua_settable(L, gamedata_idx);
	setboolfield(L, gamedata_idx, "reconnect_requested", data->reconnect_requested);
	lua_pop(L, 1);
}

void ScriptApiMainMenu::handleMainMenuEvent(std::string text)
{
	SCRIPTAPI_PRECHECKHEADER

	int error_handler = PUSH_ERROR_HANDLER(L);

	// Get handler function
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "event_handler");
	lua_remove(L, -2); // Remove core
	if (lua_isnil(L, -1)) {
		lua_pop(L, 1); // Pop event_handler
		return;
	}
	luaL_checktype(L, -1, LUA_TFUNCTION);

	// Call it
	lua_pushstring(L, text.c_str());
	PCALL_RES(lua_pcall(L, 1, 0, error_handler));
	lua_pop(L, 1); // Pop error handler
}

void ScriptApiMainMenu::handleMainMenuButtons(const StringMap &fields)
{
	SCRIPTAPI_PRECHECKHEADER

	int error_handler = PUSH_ERROR_HANDLER(L);

	// Get handler function
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "button_handler");
	lua_remove(L, -2); // Remove core
	if (lua_isnil(L, -1)) {
		lua_pop(L, 1); // Pop button handler
		return;
	}
	luaL_checktype(L, -1, LUA_TFUNCTION);

	// Convert fields to a Lua table
	lua_newtable(L);
	StringMap::const_iterator it;
	for (it = fields.begin(); it != fields.end(); ++it) {
		const std::string &name = it->first;
		const std::string &value = it->second;
		lua_pushstring(L, name.c_str());
		lua_pushlstring(L, value.c_str(), value.size());
		lua_settable(L, -3);
	}

	// Call it
	PCALL_RES(lua_pcall(L, 1, 0, error_handler));
	lua_pop(L, 1); // Pop error handler
}
ua_getglobal(L, "core"); lua_getfield(L, -1, "registered_entities"); luaL_checktype(L, -1, LUA_TTABLE); lua_pushstring(L, name); lua_gettable(L, -2); // Should be a table, which we will use as a prototype //luaL_checktype(L, -1, LUA_TTABLE); if (lua_type(L, -1) != LUA_TTABLE){ errorstream<<"LuaEntity name \""<<name<<"\" not defined"<<std::endl; return false; } int prototype_table = lua_gettop(L); //dump2(L, "prototype_table"); // Create entity object lua_newtable(L); int object = lua_gettop(L); // Set object metatable lua_pushvalue(L, prototype_table); lua_setmetatable(L, -2); // Add object reference // This should be userdata with metatable ObjectRef push_objectRef(L, id); luaL_checktype(L, -1, LUA_TUSERDATA); if (!luaL_checkudata(L, -1, "ObjectRef")) luaL_typerror(L, -1, "ObjectRef"); lua_setfield(L, -2, "object"); // core.luaentities[id] = object lua_getglobal(L, "core"); lua_getfield(L, -1, "luaentities"); luaL_checktype(L, -1, LUA_TTABLE); lua_pushnumber(L, id); // Push id lua_pushvalue(L, object); // Copy object to top of stack lua_settable(L, -3); return true; } void ScriptApiEntity::luaentity_Activate(u16 id, const std::string &staticdata, u32 dtime_s) { SCRIPTAPI_PRECHECKHEADER verbosestream << "scriptapi_luaentity_activate: id=" << id << std::endl; int error_handler = PUSH_ERROR_HANDLER(L); // Get core.luaentities[id] luaentity_get(L, id); int object = lua_gettop(L); // Get on_activate function lua_getfield(L, -1, "on_activate"); if (!lua_isnil(L, -1)) { luaL_checktype(L, -1, LUA_TFUNCTION); lua_pushvalue(L, object); // self lua_pushlstring(L, staticdata.c_str(), staticdata.size()); lua_pushinteger(L, dtime_s); setOriginFromTable(object); PCALL_RES(lua_pcall(L, 3, 0, error_handler)); } else { lua_pop(L, 1); } lua_pop(L, 2); // Pop object and error handler } void ScriptApiEntity::luaentity_Deactivate(u16 id) { SCRIPTAPI_PRECHECKHEADER verbosestream << "scriptapi_luaentity_deactivate: id=" << id << std::endl; int error_handler = PUSH_ERROR_HANDLER(L); // Get the entity luaentity_get(L, id); int object = lua_gettop(L); // Get on_deactivate lua_getfield(L, -1, "on_deactivate"); if (!lua_isnil(L, -1)) { luaL_checktype(L, -1, LUA_TFUNCTION); lua_pushvalue(L, object); setOriginFromTable(object); PCALL_RES(lua_pcall(L, 1, 0, error_handler)); } else { lua_pop(L, 1); } lua_pop(L, 2); // Pop object and error handler } void ScriptApiEntity::luaentity_Remove(u16 id) { SCRIPTAPI_PRECHECKHEADER verbosestream << "scriptapi_luaentity_rm: id=" << id << std::endl; // Get core.luaentities table lua_getglobal(L, "core"); lua_getfield(L, -1, "luaentities"); luaL_checktype(L, -1, LUA_TTABLE); int objectstable = lua_gettop(L); // Set luaentities[id] = nil lua_pushnumber(L, id); // Push id lua_pushnil(L); lua_settable(L, objectstable); lua_pop(L, 2); // pop luaentities, core } std::string ScriptApiEntity::luaentity_GetStaticdata(u16 id) { SCRIPTAPI_PRECHECKHEADER //infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;