138 lines
3.5 KiB
C++
138 lines
3.5 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 ULTIMA0_H
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#define ULTIMA0_H
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#include "common/random.h"
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#include "common/serializer.h"
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#include "graphics/palette.h"
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#include "engines/engine.h"
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#include "ultima/detection.h"
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#include "ultima/ultima0/data/data.h"
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#include "ultima/ultima0/events.h"
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#include "ultima/ultima0/music.h"
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namespace Ultima {
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namespace Ultima0 {
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class Ultima0Engine : public Engine, public Events {
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private:
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Common::RandomSource _randomSource;
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//const UltimaGameDescription *_gameDescription;
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void syncSavegame(Common::Serializer &s);
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protected:
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// Engine APIs
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Common::Error run() override;
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public:
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Graphics::Palette _palette;
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PlayerInfo _player;
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WorldMapInfo _worldMap;
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DungeonMapInfo _dungeon;
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bool _showMinimap = false;
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MusicPlayer *_music = nullptr;
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Ultima0Engine(OSystem *syst, const Ultima::UltimaGameDescription *gameDesc);
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~Ultima0Engine() override;
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/**
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* Returns true if the game should quit
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*/
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bool shouldQuit() const override {
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return Engine::shouldQuit();
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}
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/**
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* Returns supported engine features
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*/
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bool hasFeature(EngineFeature f) const override;
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/**
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* Sets the random number seed
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*/
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void setRandomSeed(uint seed) {
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_randomSource.setSeed(seed);
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}
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/**
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* Get a random number
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*/
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uint getRandomNumber(uint maxVal = RND_MAX) { return _randomSource.getRandomNumber(maxVal); }
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uint getRandomNumber(uint minVal, uint maxVal) {
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return _randomSource.getRandomNumber(maxVal - minVal) + minVal;
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}
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/**
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* Returns true if enhancements are turned on
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*/
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bool isEnhanced() const {
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return true;
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}
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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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return true;
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}
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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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* Load a game state.
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* @param stream the stream to load the savestate from
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* @return returns kNoError on success, else an error code.
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*/
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Common::Error loadGameStream(Common::SeekableReadStream *stream) override;
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/**
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* Save a game state.
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* @param stream The write stream to save the savegame data to
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* @param isAutosave Expected to be true if an autosave is being created
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* @return returns kNoError on success, else an error code.
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*/
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Common::Error saveGameStream(Common::WriteStream *stream, bool isAutosave = false) override;
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/**
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* Returns true if any savegames exist
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*/
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bool savegamesExist() const;
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void playMidi(const char *name);
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void stopMidi();
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bool isMidiPlaying() const {
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return _music != nullptr;
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}
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};
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extern Ultima0Engine *g_engine;
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} // End of namespace Ultima4
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} // End of namespace Ultima
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#endif
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