mirror of
https://github.com/libretro/scummvm.git
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195 lines
4.7 KiB
C++
195 lines
4.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef TITANIC_TITANIC_H
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#define TITANIC_TITANIC_H
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#include "common/random.h"
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#include "engines/engine.h"
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#include "titanic/support/exe_resources.h"
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#include "titanic/support/movie_manager.h"
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#include "titanic/support/string.h"
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#include "titanic/support/strings.h"
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#include "common/language.h"
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/**
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* This is the namespace of the Titanic engine.
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*
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* Status of this engine: In Development
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*
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* Games using this engine:
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* - Starship Titanic
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*/
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class OSystem;
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namespace Graphics {
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class Screen;
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}
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namespace Common {
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class Error;
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class FSNode;
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}
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namespace Titanic {
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#define TITANIC_SAVEGAME_VERSION 1
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#define SCREEN_WIDTH 640
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#define SCREEN_HEIGHT 480
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#define TOTAL_ITEMS 46
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#define TOTAL_ROOMS 34
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#define MAX_SAVES 99
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// If enabled, fixes an original bug where dispensed chickens weren't
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// meant to be hot unless the Yellow fuse was left in the Fusebox.
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// This is being left disabled for now, since most walkthroughs for
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// the game redundantly suggest removing the fuse, which is wrong
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//#define FIX_DISPENSOR_TEMPATURE
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class CFilesManager;
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class CMainGameWindow;
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class CString;
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class CTrueTalkManager;
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class Events;
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class OSScreenManager;
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class CScriptHandler;
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class TTscriptBase;
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struct TitanicGameDescription;
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class TitanicEngine : public Engine {
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private:
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/**
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* Handles basic initialization
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*/
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bool initialize();
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/**
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* Handles game deinitialization
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*/
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void deinitialize();
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/**
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* Sets up the item names, short, and long descriptions
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*/
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void setItemNames();
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/**
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* Sets up the list of room names
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*/
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void setRoomNames();
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protected:
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const TitanicGameDescription *_gameDescription;
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// Engine APIs
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void initializePath(const Common::FSNode &gamePath) override;
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Common::Error run() override;
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bool hasFeature(EngineFeature f) const override;
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public:
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Events *_events;
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CFilesManager *_filesManager;
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CMovieManager _movieManager;
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Graphics::Screen *_screen;
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OSScreenManager *_screenManager;
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CMainGameWindow *_window;
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Common::RandomSource _randomSource;
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CScriptHandler *_scriptHandler;
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TTscriptBase *_script;
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CTrueTalkManager *_trueTalkManager;
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CExeResources _exeResources;
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StringArray _itemNames;
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StringArray _itemDescriptions;
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StringArray _itemIds;
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StringArray _roomNames;
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Strings _strings;
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CString _stateRoomExitView;
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int _loadSaveSlot;
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public:
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TitanicEngine(OSystem *syst, const TitanicGameDescription *gameDesc);
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~TitanicEngine() override;
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/**
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* Returns true if a savegame can be loaded
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*/
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bool canLoadGameStateCurrently(Common::U32String *msg = nullptr) override;
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/**
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* Returns true if the game can be saved
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*/
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bool canSaveGameStateCurrently(Common::U32String *msg = nullptr) override;
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/**
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* Called by the GMM to load a savegame
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*/
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Common::Error loadGameState(int slot) override;
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/**
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* Called by the GMM to save the game
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*/
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Common::Error saveGameState(int slot, const Common::String &desc, bool isAutosave = false) override;
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/**
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* Handles updates to the sound levels
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*/
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void syncSoundSettings() override;
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/**
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* Gets the game features
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*/
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uint32 getFeatures() const;
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/**
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* Returns the language for the game
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*/
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Common::Language getLanguage() const;
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/**
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* Returns true if it's the German version
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*/
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bool isGerman() const { return getLanguage() == Common::DE_DEU; }
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/**
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* Returns a uniform random unsigned integer in the interval [0, max]
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*/
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uint getRandomNumber(uint max) { return _randomSource.getRandomNumber(max); }
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/**
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* Returns a uniform random floating point number in the interval [0.0, 65535.0]
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*/
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double getRandomFloat() { return getRandomNumber(0xfffffffe) * 0.00001525855623540901; } // fffffffe=4294967294 and 0.00001525855623540901 ~= 1/65537.0
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/**
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* Checks whether a savegame exists for the given slot,
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* and if it exists, returns it's description
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*/
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CString getSavegameName(int slot);
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};
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extern TitanicEngine *g_vm;
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} // End of namespace Titanic
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#endif /* TITANIC_TITANIC_H */
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