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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2017 numzero, Lobachevskiy Vitaliy <numzer0@yandex.ru>

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.
*/

#pragma once
#include "irrlichttypes_extrabloated.h"

class ShadowRenderer;
class Camera;
class Client;
class Hud;
class Minimap;

class RenderingCore
{
protected:
	v2u32 screensize;
	v2u32 virtual_size;
	video::SColor skycolor;
	bool show_hud;
	bool show_minimap;
	bool draw_wield_tool;
	bool draw_crosshair;

	IrrlichtDevice *device;
	video::IVideoDriver *driver;
	scene::ISceneManager *smgr;
	gui::IGUIEnvironment *guienv;

	Client *client;
	Camera *camera;
	Minimap *mapper;
	Hud *hud;

	ShadowRenderer *shadow_renderer;

	void updateScreenSize();
	virtual void initTextures() {}
	virtual void clearTextures() {}

	virtual void beforeDraw() {}
	virtual void drawAll() = 0;

	void draw3D();
	void drawHUD();
	void drawPostFx();

public:
	RenderingCore(IrrlichtDevice *_device, Client *_client, Hud *_hud);
	RenderingCore(const RenderingCore &) = delete;
	RenderingCore(RenderingCore &&) = delete;
	virtual ~RenderingCore();

	RenderingCore &operator=(const RenderingCore &) = delete;
	RenderingCore &operator=(RenderingCore &&) = delete;

	void initialize();
	void draw(video::SColor _skycolor, bool _show_hud, bool _show_minimap,
			bool _draw_wield_tool, bool _draw_crosshair);

	inline v2u32 getVirtualSize() const { return virtual_size; }

	ShadowRenderer *get_shadow_renderer() { return shadow_renderer; };
};
="hl com">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. */ extern "C" { #include "lua.h" #include "lauxlib.h" #include "lualib.h" } #include "scriptapi.h" #include "common/c_converter.h" #include "lua_api/l_base.h" #include "log.h" #include "mods.h" int script_ErrorHandler(lua_State *L) { lua_getfield(L, LUA_GLOBALSINDEX, "debug"); if (!lua_istable(L, -1)) { lua_pop(L, 1); return 1; } lua_getfield(L, -1, "traceback"); if (!lua_isfunction(L, -1)) { lua_pop(L, 2); return 1; } lua_pushvalue(L, 1); lua_pushinteger(L, 2); lua_call(L, 2, 1); return 1; } bool ScriptApi::getAuth(const std::string &playername, std::string *dst_password, std::set<std::string> *dst_privs) { SCRIPTAPI_PRECHECKHEADER getAuthHandler(); lua_getfield(L, -1, "get_auth"); if(lua_type(L, -1) != LUA_TFUNCTION) throw LuaError(L, "Authentication handler missing get_auth"); lua_pushstring(L, playername.c_str()); if(lua_pcall(L, 1, 1, 0)) scriptError("error: %s", lua_tostring(L, -1)); // nil = login not allowed if(lua_isnil(L, -1)) return false; luaL_checktype(L, -1, LUA_TTABLE); std::string password; bool found = getstringfield(L, -1, "password", password); if(!found) throw LuaError(L, "Authentication handler didn't return password"); if(dst_password) *dst_password = password; lua_getfield(L, -1, "privileges"); if(!lua_istable(L, -1)) throw LuaError(L, "Authentication handler didn't return privilege table"); if(dst_privs) readPrivileges(-1, *dst_privs); lua_pop(L, 1); return true; } void ScriptApi::getAuthHandler() { lua_State *L = getStack(); lua_getglobal(L, "minetest"); lua_getfield(L, -1, "registered_auth_handler"); if(lua_isnil(L, -1)){ lua_pop(L, 1); lua_getfield(L, -1, "builtin_auth_handler"); } if(lua_type(L, -1) != LUA_TTABLE) throw LuaError(L, "Authentication handler table not valid"); } void ScriptApi::readPrivileges(int index,std::set<std::string> &result) { lua_State *L = getStack(); result.clear(); lua_pushnil(L); if(index < 0) index -= 1; while(lua_next(L, index) != 0){ // key at index -2 and value at index -1 std::string key = luaL_checkstring(L, -2); bool value = lua_toboolean(L, -1); if(value) result.insert(key); // removes value, keeps key for next iteration lua_pop(L, 1); } } void ScriptApi::createAuth(const std::string &playername, const std::string &password) { SCRIPTAPI_PRECHECKHEADER getAuthHandler(); lua_getfield(L, -1, "create_auth"); if(lua_type(L, -1) != LUA_TFUNCTION) throw LuaError(L, "Authentication handler missing create_auth"); lua_pushstring(L, playername.c_str()); lua_pushstring(L, password.c_str()); if(lua_pcall(L, 2, 0, 0)) scriptError("error: %s", lua_tostring(L, -1)); } bool ScriptApi::setPassword(const std::string &playername, const std::string &password) { SCRIPTAPI_PRECHECKHEADER getAuthHandler(); lua_getfield(L, -1, "set_password"); if(lua_type(L, -1) != LUA_TFUNCTION) throw LuaError(L, "Authentication handler missing set_password"); lua_pushstring(L, playername.c_str()); lua_pushstring(L, password.c_str()); if(lua_pcall(L, 2, 1, 0)) scriptError("error: %s", lua_tostring(L, -1)); return lua_toboolean(L, -1); } bool ScriptApi::on_chat_message(const std::string &name, const std::string &message) { SCRIPTAPI_PRECHECKHEADER // Get minetest.registered_on_chat_messages lua_getglobal(L, "minetest"); lua_getfield(L, -1, "registered_on_chat_messages"); // Call callbacks lua_pushstring(L, name.c_str()); lua_pushstring(L, message.c_str()); runCallbacks(2, RUN_CALLBACKS_MODE_OR_SC); bool ate = lua_toboolean(L, -1); return ate; } void ScriptApi::on_shutdown() { SCRIPTAPI_PRECHECKHEADER // Get registered shutdown hooks lua_getglobal(L, "minetest"); lua_getfield(L, -1, "registered_on_shutdown"); // Call callbacks runCallbacks(0, RUN_CALLBACKS_MODE_FIRST); } bool ScriptApi::loadMod(const std::string &scriptpath,const std::string &modname) { ModNameStorer modnamestorer(getStack(), modname); if(!string_allowed(modname, MODNAME_ALLOWED_CHARS)){ errorstream<<"Error loading mod \""<<modname <<"\": modname does not follow naming conventions: " <<"Only chararacters [a-z0-9_] are allowed."<<std::endl; return false; } bool success = false; try{ success = scriptLoad(scriptpath.c_str()); } catch(LuaError &e){ errorstream<<"Error loading mod \""<<modname <<"\": "<<e.what()<<std::endl; } return success; } ScriptApi::ScriptApi() { assert("Invalid call to default constructor of scriptapi!" == 0); } ScriptApi::ScriptApi(Server* server) { setServer(server); setStack(luaL_newstate()); assert(getStack()); //TODO add security luaL_openlibs(getStack()); SCRIPTAPI_PRECHECKHEADER lua_pushlightuserdata(L, this); lua_setfield(L, LUA_REGISTRYINDEX, "scriptapi"); lua_newtable(L); lua_setglobal(L, "minetest"); for (std::vector<ModApiBase*>::iterator i = m_mod_api_modules->begin(); i != m_mod_api_modules->end(); i++) { //initializers are called within minetest global table! lua_getglobal(L, "minetest"); int top = lua_gettop(L); bool ModInitializedSuccessfull = (*i)->Initialize(L,top); assert(ModInitializedSuccessfull); } infostream << "SCRIPTAPI: initialized " << m_mod_api_modules->size() << " modules" << std::endl; // Get the main minetest table lua_getglobal(L, "minetest"); // Add tables to minetest lua_newtable(L); lua_setfield(L, -2, "object_refs"); lua_newtable(L); lua_setfield(L, -2, "luaentities"); } ScriptApi::~ScriptApi() { lua_close(getStack()); } bool ScriptApi::scriptLoad(const char *path) { lua_State* L = getStack(); setStack(0); verbosestream<<"Loading and running script from "<<path<<std::endl; lua_pushcfunction(L, script_ErrorHandler); int errorhandler = lua_gettop(L); int ret = luaL_loadfile(L, path) || lua_pcall(L, 0, 0, errorhandler); if(ret){ errorstream<<"========== ERROR FROM LUA ==========="<<std::endl; errorstream<<"Failed to load and run script from "<<std::endl; errorstream<<path<<":"<<std::endl; errorstream<<std::endl; errorstream<<lua_tostring(L, -1)<<std::endl; errorstream<<std::endl; errorstream<<"=======END OF ERROR FROM LUA ========"<<std::endl; lua_pop(L, 1); // Pop error message from stack lua_pop(L, 1); // Pop the error handler from stack return false; } lua_pop(L, 1); // Pop the error handler from stack return true; } bool ScriptApi::registerModApiModule(ModApiBase* ptr) { if (ScriptApi::m_mod_api_modules == 0) ScriptApi::m_mod_api_modules = new std::vector<ModApiBase*>(); assert(ScriptApi::m_mod_api_modules != 0); ScriptApi::m_mod_api_modules->push_back(ptr); return true; } std::vector<ModApiBase*>* ScriptApi::m_mod_api_modules = 0;