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path: root/src/script/cpp_api/s_player.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_player.h"
#include "cpp_api/s_internal.h"
#include "common/c_converter.h"
#include "common/c_content.h"
#include "util/string.h"

void ScriptApiPlayer::on_newplayer(ServerActiveObject *player)
{
	SCRIPTAPI_PRECHECKHEADER

	// Get core.registered_on_newplayers
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_newplayers");
	// Call callbacks
	objectrefGetOrCreate(L, player);
	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
}

void ScriptApiPlayer::on_dieplayer(ServerActiveObject *player)
{
	SCRIPTAPI_PRECHECKHEADER

	// Get core.registered_on_dieplayers
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_dieplayers");
	// Call callbacks
	objectrefGetOrCreate(L, player);
	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
}

bool ScriptApiPlayer::on_punchplayer(ServerActiveObject *player,
		ServerActiveObject *hitter,
		float time_from_last_punch,
		const ToolCapabilities *toolcap,
		v3f dir,
		s16 damage)
{
	SCRIPTAPI_PRECHECKHEADER
	// Get core.registered_on_punchplayers
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_punchplayers");
	// Call callbacks
	objectrefGetOrCreate(L, player);
	objectrefGetOrCreate(L, hitter);
	lua_pushnumber(L, time_from_last_punch);
	push_tool_capabilities(L, *toolcap);
	push_v3f(L, dir);
	lua_pushnumber(L, damage);
	runCallbacks(6, RUN_CALLBACKS_MODE_OR);
	return lua_toboolean(L, -1);
}

s16 ScriptApiPlayer::on_player_hpchange(ServerActiveObject *player,
	s16 hp_change)
{
	SCRIPTAPI_PRECHECKHEADER

	int error_handler = PUSH_ERROR_HANDLER(L);

	// Get core.registered_on_player_hpchange
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_player_hpchange");
	lua_remove(L, -2);

	objectrefGetOrCreate(L, player);
	lua_pushnumber(L, hp_change);
	PCALL_RES(lua_pcall(L, 2, 1, error_handler));
	hp_change = lua_tointeger(L, -1);
	lua_pop(L, 2); // Pop result and error handler
	return hp_change;
}

bool ScriptApiPlayer::on_respawnplayer(ServerActiveObject *player)
{
	SCRIPTAPI_PRECHECKHEADER

	// Get core.registered_on_respawnplayers
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_respawnplayers");
	// Call callbacks
	objectrefGetOrCreate(L, player);
	runCallbacks(1, RUN_CALLBACKS_MODE_OR);
	bool positioning_handled_by_some = lua_toboolean(L, -1);
	return positioning_handled_by_some;
}

bool ScriptApiPlayer::on_prejoinplayer(
	const std::string &name,
	const std::string &ip,
	std::string *reason)
{
	SCRIPTAPI_PRECHECKHEADER

	// Get core.registered_on_prejoinplayers
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_prejoinplayers");
	lua_pushstring(L, name.c_str());
	lua_pushstring(L, ip.c_str());
	runCallbacks(2, RUN_CALLBACKS_MODE_OR);
	if (lua_isstring(L, -1)) {
		reason->assign(lua_tostring(L, -1));
		return true;
	}
	return false;
}

void ScriptApiPlayer::on_joinplayer(ServerActiveObject *player)
{
	SCRIPTAPI_PRECHECKHEADER

	// Get core.registered_on_joinplayers
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_joinplayers");
	// Call callbacks
	objectrefGetOrCreate(L, player);
	runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
}

void ScriptApiPlayer::on_leaveplayer(ServerActiveObject *player,
		bool timeout)
{
	SCRIPTAPI_PRECHECKHEADER

	// Get core.registered_on_leaveplayers
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_leaveplayers");
	// Call callbacks
	objectrefGetOrCreate(L, player);
	lua_pushboolean(L, timeout);
	runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
}

void ScriptApiPlayer::on_cheat(ServerActiveObject *player,
		const std::string &cheat_type)
{
	SCRIPTAPI_PRECHECKHEADER

	// Get core.registered_on_cheats
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_cheats");
	// Call callbacks
	objectrefGetOrCreate(L, player);
	lua_newtable(L);
	lua_pushlstring(L, cheat_type.c_str(), cheat_type.size());
	lua_setfield(L, -2, "type");
	runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
}

void ScriptApiPlayer::on_playerReceiveFields(ServerActiveObject *player,
		const std::string &formname,
		const StringMap &fields)
{
	SCRIPTAPI_PRECHECKHEADER

	// Get core.registered_on_chat_messages
	lua_getglobal(L, "core");
	lua_getfield(L, -1, "registered_on_player_receive_fields");
	// Call callbacks
	// param 1
	objectrefGetOrCreate(L, player);
	// param 2
	lua_pushstring(L, formname.c_str());
	// param 3
	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);
	}
	runCallbacks(3, RUN_CALLBACKS_MODE_OR_SC);
}

ScriptApiPlayer::~ScriptApiPlayer()
{
}


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/*
Minetest
Copyright (C) 2013 sapier

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 "lua_api/l_mainmenu.h"
#include "lua_api/l_internal.h"
#include "common/c_content.h"
#include "cpp_api/s_async.h"
#include "gui/guiEngine.h"
#include "gui/guiMainMenu.h"
#include "gui/guiKeyChangeMenu.h"
#include "gui/guiPathSelectMenu.h"
#include "version.h"
#include "porting.h"
#include "filesys.h"
#include "convert_json.h"
#include "content/content.h"
#include "content/subgames.h"
#include "serverlist.h"
#include "mapgen/mapgen.h"
#include "settings.h"

#include <IFileArchive.h>
#include <IFileSystem.h>
#include "client/renderingengine.h"
#include "network/networkprotocol.h"


/******************************************************************************/
std::string ModApiMainMenu::getTextData(lua_State *L, std::string name)
{
	lua_getglobal(L, "gamedata");

	lua_getfield(L, -1, name.c_str());

	if(lua_isnil(L, -1))
		return "";

	return luaL_checkstring(L, -1);
}

/******************************************************************************/
int ModApiMainMenu::getIntegerData(lua_State *L, std::string name,bool& valid)
{
	lua_getglobal(L, "gamedata");

	lua_getfield(L, -1, name.c_str());

	if(lua_isnil(L, -1)) {
		valid = false;
		return -1;
		}

	valid = true;
	return luaL_checkinteger(L, -1);
}

/******************************************************************************/
int ModApiMainMenu::getBoolData(lua_State *L, std::string name,bool& valid)
{
	lua_getglobal(L, "gamedata");

	lua_getfield(L, -1, name.c_str());

	if(lua_isnil(L, -1)) {
		valid = false;
		return false;
		}

	valid = true;
	return readParam<bool>(L, -1);
}

/******************************************************************************/
int ModApiMainMenu::l_update_formspec(lua_State *L)
{
	GUIEngine* engine = getGuiEngine(L);
	sanity_check(engine != NULL);

	if (engine->m_startgame)
		return 0;

	//read formspec
	std::string formspec(luaL_checkstring(L, 1));

	if (engine->m_formspecgui != 0) {
		engine->m_formspecgui->setForm(formspec);
	}

	return 0;
}

/******************************************************************************/
int ModApiMainMenu::l_set_formspec_prepend(lua_State *L)
{
	GUIEngine *engine = getGuiEngine(L);
	sanity_check(engine != NULL);

	if (engine->m_startgame)
		return 0;

	std::string formspec(luaL_checkstring(L, 1));
	engine->setFormspecPrepend(formspec);

	return 0;
}

/******************************************************************************/
int ModApiMainMenu::l_start(lua_State *L)
{
	GUIEngine* engine = getGuiEngine(L);
	sanity_check(engine != NULL);

	//update c++ gamedata from lua table

	bool valid = false;

	MainMenuData *data = engine->m_data;

	data->selected_world = getIntegerData(L, "selected_world",valid) -1;
	data->simple_singleplayer_mode = getBoolData(L,"singleplayer",valid);
	data->do_reconnect = getBoolData(L, "do_reconnect", valid);
	if (!data->do_reconnect) {
		data->name     = getTextData(L,"playername");
		data->password = getTextData(L,"password");
		data->address  = getTextData(L,"address");
		data->port     = getTextData(L,"port");
	}
	data->serverdescription = getTextData(L,"serverdescription");
	data->servername        = getTextData(L,"servername");

	//close menu next time
	engine->m_startgame = true;
	return 0;
}

/******************************************************************************/
int ModApiMainMenu::l_close(lua_State *L)
{
	GUIEngine* engine = getGuiEngine(L);
	sanity_check(engine != NULL);

	engine->m_kill = true;
	return 0;
}

/******************************************************************************/
int ModApiMainMenu::l_set_background(lua_State *L)
{
	GUIEngine* engine = getGuiEngine(L);
	sanity_check(engine != NULL);

	std::string backgroundlevel(luaL_checkstring(L, 1));
	std::string texturename(luaL_checkstring(L, 2));

	bool tile_image = false;
	bool retval     = false;
	unsigned int minsize = 16;

	if (!lua_isnone(L, 3)) {
		tile_image = readParam<bool>(L, 3);
	}

	if (!lua_isnone(L, 4)) {
		minsize = lua_tonumber(L, 4);
	}

	if (backgroundlevel == "background") {
		retval |= engine->setTexture(TEX_LAYER_BACKGROUND, texturename,
				tile_image, minsize);
	}

	if (backgroundlevel == "overlay") {
		retval |= engine->setTexture(TEX_LAYER_OVERLAY, texturename,
				tile_image, minsize);
	}

	if (backgroundlevel == "header") {
		retval |= engine->setTexture(TEX_LAYER_HEADER,  texturename,
				tile_image, minsize);
	}

	if (backgroundlevel == "footer") {
		retval |= engine->setTexture(TEX_LAYER_FOOTER, texturename,
				tile_image, minsize);
	}

	lua_pushboolean(L,retval);
	return 1;
}

/******************************************************************************/
int ModApiMainMenu::l_set_clouds(lua_State *L)
{
	GUIEngine* engine = getGuiEngine(L);
	sanity_check(engine != NULL);

	bool value = readParam<bool>(L,1);

	engine->m_clouds_enabled = value;

	return 0;
}

/******************************************************************************/
int ModApiMainMenu::l_get_textlist_index(lua_State *L)
{
	// get_table_index accepts both tables and textlists
	return l_get_table_index(L);
}

/******************************************************************************/
int ModApiMainMenu::l_get_table_index(lua_State *L)
{
	GUIEngine* engine = getGuiEngine(L);
	sanity_check(engine != NULL);

	std::string tablename(luaL_checkstring(L, 1));
	GUITable *table = engine->m_menu->getTable(tablename);
	s32 selection = table ? table->getSelected() : 0;

	if (selection >= 1)
		lua_pushinteger(L, selection);
	else
		lua_pushnil(L);
	return 1;
}

/******************************************************************************/
int ModApiMainMenu::l_get_worlds(lua_State *L)
{
	std::vector<WorldSpec> worlds = getAvailableWorlds();

	lua_newtable(L);
	int top = lua_gettop(L);
	unsigned int index = 1;

	for (const WorldSpec &world : worlds) {
		lua_pushnumber(L,index);

		lua_newtable(L);
		int top_lvl2 = lua_gettop(L);

		lua_pushstring(L,"path");
		lua_pushstring(L, world.path.c_str());
		lua_settable(L, top_lvl2);

		lua_pushstring(L,"name");
		lua_pushstring(L, world.name.c_str());
		lua_settable(L, top_lvl2);

		lua_pushstring(L,"gameid");
		lua_pushstring(L, world.gameid.c_str());
		lua_settable(L, top_lvl2);

		lua_settable(L, top);
		index++;
	}
	return 1;
}

/******************************************************************************/
int ModApiMainMenu::l_get_games(lua_State *L)
{
	std::vector<SubgameSpec> games = getAvailableGames();

	lua_newtable(L);
	int top = lua_gettop(L);
	unsigned int index = 1;