mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-25 19:25:20 +00:00
299 lines
8.1 KiB
C++
299 lines
8.1 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/config-manager.h"
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#include "common/debug-channels.h"
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#include "common/events.h"
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#include "engines/util.h"
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#include "graphics/cursorman.h"
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#include "graphics/palette.h"
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#include "image/iff.h"
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#include "cine/cine.h"
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#include "cine/bg_list.h"
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#include "cine/main_loop.h"
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#include "cine/object.h"
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#include "cine/texte.h"
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#include "cine/sound.h"
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#include "cine/various.h"
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namespace Cine {
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Sound *g_sound = 0;
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CineEngine *g_cine = 0;
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CineEngine::CineEngine(OSystem *syst, const CINEGameDescription *gameDesc)
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: Engine(syst),
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_gameDescription(gameDesc),
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_rnd("cine") {
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DebugMan.addDebugChannel(kCineDebugScript, "Script", "Script debug level");
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DebugMan.addDebugChannel(kCineDebugPart, "Part", "Part debug level");
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DebugMan.addDebugChannel(kCineDebugSound, "Sound", "Sound debug level");
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DebugMan.addDebugChannel(kCineDebugCollision, "Collision", "Collision debug level");
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// Setup mixer
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syncSoundSettings();
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_console = new CineConsole(this);
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g_cine = this;
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for (int i = 0; i < NUM_FONT_CHARS; i++) {
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_textHandler.fontParamTable[i].characterIdx = 0;
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_textHandler.fontParamTable[i].characterWidth = 0;
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}
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_restartRequested = false;
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_preLoad = false;
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_timerDelayMultiplier = 12;
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}
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CineEngine::~CineEngine() {
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if (getGameType() == Cine::GType_OS) {
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freeErrmessDat();
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}
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DebugMan.clearAllDebugChannels();
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delete _console;
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}
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void CineEngine::syncSoundSettings() {
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Engine::syncSoundSettings();
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bool mute = false;
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if (ConfMan.hasKey("mute"))
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mute = ConfMan.getBool("mute");
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// Use music volume for plain sound types (At least the AdLib player uses a plain sound type
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// so previously the music and sfx volume controls didn't affect it at all).
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// FIXME: Make AdLib player differentiate between playing sound effects and music and remove this.
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_mixer->setVolumeForSoundType(Audio::Mixer::kPlainSoundType,
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mute ? 0 : ConfMan.getInt("music_volume"));
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}
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Common::Error CineEngine::run() {
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Graphics::ModeList modes;
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modes.push_back(Graphics::Mode(320, 200));
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if (g_cine->getGameType() == GType_FW && (g_cine->getFeatures() & GF_CD)) {
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modes.push_back(Graphics::Mode(640, 480));
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initGraphicsModes(modes);
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showSplashScreen();
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} else {
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initGraphicsModes(modes);
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}
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// Initialize backend
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initGraphics(320, 200);
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if (g_cine->getGameType() == GType_FW && (g_cine->getFeatures() & GF_CD))
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checkCD();
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if (getPlatform() == Common::kPlatformDOS) {
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g_sound = new PCSound(_mixer, this);
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} else {
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// Paula chipset for Amiga and Atari versions
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g_sound = new PaulaSound(_mixer, this);
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}
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_restartRequested = false;
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do {
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initialize();
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_restartRequested = false;
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CursorMan.showMouse(true);
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mainLoop(1);
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delete renderer;
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delete[] collisionPage;
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} while (_restartRequested);
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delete g_sound;
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return Common::kNoError;
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}
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int CineEngine::getTimerDelay() const {
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return (10923000 * _timerDelayMultiplier) / 1193180;
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}
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/**
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* Modify game speed
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* @param speedChange Negative values slow game down, positive values speed it up, zero does nothing
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* @return Timer delay multiplier's value after the game speed change
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*/
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int CineEngine::modifyGameSpeed(int speedChange) {
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// If we want more speed we decrement the timer delay multiplier and vice versa.
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_timerDelayMultiplier = CLIP(_timerDelayMultiplier - speedChange, 1, 50);
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return _timerDelayMultiplier;
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}
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void CineEngine::initialize() {
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_globalVars.reinit(NUM_MAX_VAR + 1);
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// Initialize all savegames' descriptions to empty strings
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memset(currentSaveName, 0, sizeof(currentSaveName));
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// Resize object table to its correct size and reset all its elements
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g_cine->_objectTable.resize(NUM_MAX_OBJECT);
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resetObjectTable();
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// Resize animation data table to its correct size and reset all its elements
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g_cine->_animDataTable.resize(NUM_MAX_ANIMDATA);
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freeAnimDataTable();
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// Resize zone data table to its correct size and reset all its elements
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g_cine->_zoneData.resize(NUM_MAX_ZONE);
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Common::fill(g_cine->_zoneData.begin(), g_cine->_zoneData.end(), 0);
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// Resize zone query table to its correct size and reset all its elements
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g_cine->_zoneQuery.resize(NUM_MAX_ZONE);
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Common::fill(g_cine->_zoneQuery.begin(), g_cine->_zoneQuery.end(), 0);
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_timerDelayMultiplier = 12; // Set default speed
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setupOpcodes();
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initLanguage(getLanguage());
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if (getGameType() == Cine::GType_OS) {
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renderer = new OSRenderer;
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} else {
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renderer = new FWRenderer;
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}
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renderer->initialize();
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collisionPage = new byte[320 * 200];
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memset(collisionPage, 0, 320 * 200);
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// Clear part buffer as there's nothing loaded into it yet.
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// Its size will change when loading data into it with the loadPart function.
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g_cine->_partBuffer.clear();
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if (getGameType() == Cine::GType_OS) {
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readVolCnf();
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}
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loadTextData("texte.dat");
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if (getGameType() == Cine::GType_OS && !(getFeatures() & GF_DEMO)) {
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loadPoldatDat("poldat.dat");
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loadErrmessDat("errmess.dat");
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}
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// in case ScummVM engines can be restarted in the future
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g_cine->_scriptTable.clear();
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g_cine->_relTable.clear();
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g_cine->_objectScripts.clear();
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g_cine->_globalScripts.clear();
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g_cine->_bgIncrustList.clear();
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freeAnimDataTable();
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g_cine->_overlayList.clear();
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g_cine->_messageTable.clear();
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resetObjectTable();
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if (getGameType() == Cine::GType_OS) {
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disableSystemMenu = 1;
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} else {
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// WORKAROUND: We do not save this variable in FW's savegames.
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// Initializing this to 1, like we do it in the OS case, will
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// cause the menu disabled when loading from the launcher or
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// command line.
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// A proper fix here would be to save this variable in FW's saves.
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// Since it seems these are unversioned so far, there would be need
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// to properly add versioning to them first.
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disableSystemMenu = 0;
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}
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var8 = 0;
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var2 = var3 = var4 = var5 = 0;
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musicIsPlaying = 0;
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currentDatName[0] = 0;
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_preLoad = false;
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if (ConfMan.hasKey("save_slot") && !_restartRequested) {
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char saveNameBuffer[256];
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sprintf(saveNameBuffer, "%s.%1d", _targetName.c_str(), ConfMan.getInt("save_slot"));
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bool res = makeLoad(saveNameBuffer);
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if (res)
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_preLoad = true;
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}
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if (!_preLoad) {
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loadPrc(BOOT_PRC_NAME);
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strcpy(currentPrcName, BOOT_PRC_NAME);
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setMouseCursor(MOUSE_CURSOR_NORMAL);
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}
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}
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void CineEngine::showSplashScreen() {
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Common::File file;
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if (!file.open("sony.lbm"))
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return;
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Image::IFFDecoder decoder;
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if (!decoder.loadStream(file))
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return;
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const Graphics::Surface *surface = decoder.getSurface();
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if (surface->w == 640 && surface->h == 480) {
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initGraphics(640, 480);
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const byte *palette = decoder.getPalette();
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int paletteColorCount = decoder.getPaletteColorCount();
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g_system->getPaletteManager()->setPalette(palette, 0, paletteColorCount);
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g_system->copyRectToScreen(surface->getPixels(), 640, 0, 0, 640, 480);
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g_system->updateScreen();
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Common::EventManager *eventMan = g_system->getEventManager();
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bool done = false;
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uint32 now = g_system->getMillis();
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while (!done && g_system->getMillis() - now < 2000) {
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Common::Event event;
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while (eventMan->pollEvent(event)) {
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if (event.type == Common::EVENT_KEYDOWN && event.kbd.keycode == Common::KEYCODE_ESCAPE) {
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done = true;
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break;
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}
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if (shouldQuit())
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done = true;
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}
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}
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}
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decoder.destroy();
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}
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} // End of namespace Cine
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