mirror of
https://github.com/libretro/scummvm.git
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384 lines
10 KiB
C++
384 lines
10 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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* 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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* 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 "illusions/illusions.h"
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#include "illusions/actor.h"
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#include "illusions/camera.h"
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#include "illusions/cursor.h"
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#include "illusions/dictionary.h"
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#include "illusions/resources/fontresource.h"
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#include "illusions/graphics.h"
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#include "illusions/input.h"
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#include "illusions/resources/actorresource.h"
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#include "illusions/resources/backgroundresource.h"
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#include "illusions/resources/scriptresource.h"
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#include "illusions/resources/soundresource.h"
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#include "illusions/resources/talkresource.h"
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#include "illusions/resourcesystem.h"
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#include "illusions/screen.h"
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#include "illusions/screentext.h"
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#include "illusions/sound.h"
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#include "illusions/specialcode.h"
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#include "illusions/thread.h"
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#include "illusions/time.h"
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#include "illusions/updatefunctions.h"
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#include "illusions/threads/talkthread.h"
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#include "audio/audiostream.h"
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#include "video/video_decoder.h"
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#include "video/avi_decoder.h"
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#include "common/config-manager.h"
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#include "common/debug-channels.h"
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#include "common/error.h"
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#include "common/fs.h"
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#include "common/timer.h"
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#include "engines/util.h"
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#include "graphics/cursorman.h"
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#include "graphics/font.h"
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#include "graphics/fontman.h"
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#include "graphics/palette.h"
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#include "graphics/surface.h"
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namespace Illusions {
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char *debugW2I(byte *wstr) {
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static char buf[65];
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char *p = buf;
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int i = 0;
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while (*wstr != 0 && i < sizeof(buf) - 1) {
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*p++ = *wstr;
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wstr += 2;
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i++;
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}
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*p = 0;
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return buf;
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}
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IllusionsEngine::IllusionsEngine(OSystem *syst, const IllusionsGameDescription *gd) :
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Engine(syst), _gameDescription(gd) {
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_random = new Common::RandomSource("illusions");
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_rerunThreads = false;
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_isSaveAllowed = true; // TODO
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_resumeFromSavegameRequested = false;
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_savegameSceneId = 0;
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_savegameThreadId = 0;
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_nextTempThreadId = 0;
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Engine::syncSoundSettings();
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}
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IllusionsEngine::~IllusionsEngine() {
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delete _random;
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}
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void IllusionsEngine::updateEvents() {
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Common::Event event;
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while (_eventMan->pollEvent(event)) {
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_input->processEvent(event);
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switch (event.type) {
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case Common::EVENT_QUIT:
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quitGame();
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break;
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default:
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break;
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}
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}
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}
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void IllusionsEngine::runUpdateFunctions() {
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_updateFunctions->update();
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}
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Common::Point *IllusionsEngine::getObjectActorPositionPtr(uint32 objectId) {
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Control *control = getObjectControl(objectId);
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if (control && control->_actor)
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return &control->_actor->_position;
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return 0;
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}
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uint32 IllusionsEngine::getElapsedUpdateTime() {
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uint32 result = 0;
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uint32 currTime = getCurrentTime();
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if (_resGetCtr <= 0 ) {
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if (_unpauseControlActorFlag) {
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_unpauseControlActorFlag = false;
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result = 0;
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} else {
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result = currTime - _lastUpdateTime;
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}
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_lastUpdateTime = currTime;
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} else {
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result = _resGetTime - _lastUpdateTime;
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_lastUpdateTime = _resGetTime;
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}
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return result;
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}
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int IllusionsEngine::updateActors(uint flags) {
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// TODO Move to Controls class
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uint32 deltaTime = getElapsedUpdateTime();
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for (Controls::ItemsIterator it = _controls->_controls.begin(); it != _controls->_controls.end(); ++it) {
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Control *control = *it;
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if (control->_pauseCtr == 0 && control->_actor && control->_actor->_controlRoutine)
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control->_actor->runControlRoutine(control, deltaTime);
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}
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return kUFNext;
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}
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int IllusionsEngine::updateSequences(uint flags) {
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// TODO Move to Controls class
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for (Controls::ItemsIterator it = _controls->_controls.begin(); it != _controls->_controls.end(); ++it) {
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Control *control = *it;
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if (control->_pauseCtr == 0 && control->_actor && control->_actor->_seqCodeIp) {
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control->sequenceActor();
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}
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}
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return kUFNext;
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}
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int IllusionsEngine::updateGraphics(uint flags) {
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Common::Point panPoint(0, 0);
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uint32 currTime = getCurrentTime();
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_camera->update(currTime);
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updateFader();
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// TODO Move to BackgroundInstanceList class
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BackgroundInstance *backgroundItem = _backgroundInstances->findActiveBackgroundInstance();
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if (backgroundItem) {
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BackgroundResource *bgRes = backgroundItem->_bgRes;
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for (uint i = 0; i < bgRes->_bgInfosCount; ++i) {
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BgInfo *bgInfo = &bgRes->_bgInfos[i];
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uint32 priority = getPriorityFromBase(bgInfo->_priorityBase);
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_screen->_drawQueue->insertSurface(backgroundItem->_surfaces[i],
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bgInfo->_surfInfo._dimensions, backgroundItem->_panPoints[i], priority);
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if (bgInfo->_flags & 1)
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panPoint = backgroundItem->_panPoints[i];
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}
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}
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// TODO Move to Controls class
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for (Controls::ItemsIterator it = _controls->_controls.begin(); it != _controls->_controls.end(); ++it) {
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Control *control = *it;
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Actor *actor = control->_actor;
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if (control->_pauseCtr == 0 && actor && (actor->_flags & 1) && !(actor->_flags & 0x0200)) {
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Common::Point drawPosition = control->calcPosition(panPoint);
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if (actor->_flags & 0x2000) {
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Frame *frame = &(*actor->_frames)[actor->_frameIndex - 1];
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_screen->_decompressQueue->insert(&actor->_drawFlags, frame->_flags,
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frame->_surfInfo._pixelSize, frame->_surfInfo._dimensions,
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frame->_compressedPixels, actor->_surface);
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actor->_flags &= ~0x2000;
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}
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/* Unused
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if (actor->_flags & 0x4000) {
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nullsub_1(&actor->drawFlags);
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actor->flags &= ~0x4000;
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}
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*/
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if (actor->_surfInfo._dimensions._width && actor->_surfInfo._dimensions._height) {
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uint32 priority = control->getDrawPriority();
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_screen->_drawQueue->insertSprite(&actor->_drawFlags, actor->_surface,
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actor->_surfInfo._dimensions, drawPosition, control->_position,
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priority, actor->_scale, actor->_spriteFlags);
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}
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}
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}
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if (_screenText->_surface) {
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// TODO Make nicer
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uint32 priority = getGameId() == kGameIdDuckman ? getPriorityFromBase(19) : getPriorityFromBase(99);
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_screen->_drawQueue->insertTextSurface(_screenText->_surface, _screenText->_dimensions,
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_screenText->_position, priority);
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}
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return kUFNext;
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}
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int IllusionsEngine::updateSoundMan(uint flags) {
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_soundMan->update();
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return kUFNext;
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}
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int IllusionsEngine::updateSprites(uint flags) {
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_screen->updateSprites();
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_screenPalette->updatePalette();
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return kUFNext;
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}
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int IllusionsEngine::getRandom(int max) {
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return _random->getRandomNumber(max - 1);
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}
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int IllusionsEngine::convertPanXCoord(int16 x) {
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// TODO
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return 0;
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}
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bool IllusionsEngine::calcPointDirection(Common::Point &srcPt, Common::Point &dstPt, uint &facing) {
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facing = 0;
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uint xd = 0, yd = 0;
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if (srcPt.x < dstPt.x)
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xd = 0x40;
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else if (srcPt.x > dstPt.x)
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xd = 0x04;
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else
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xd = 0x00;
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if (srcPt.y < dstPt.y)
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yd = 0x01;
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else if (srcPt.y > dstPt.y)
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yd = 0x10;
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else
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yd = 0x00;
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if (!xd && !yd)
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facing = 0;
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else if (!yd && xd)
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facing = xd;
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else if (yd && !xd)
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facing = yd;
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else if (xd == 0x04 && yd == 0x01)
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facing = 0x02;
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else if (xd == 0x40 && yd == 0x01)
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facing = 0x80;
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else if (xd == 0x04 && yd == 0x10)
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facing = 0x08;
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else if (xd == 0x40 && yd == 0x10)
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facing = 0x20;
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return facing != 0;
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}
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void IllusionsEngine::playVideo(uint32 videoId, uint32 objectId, uint32 priority, uint32 threadId) {
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Video::VideoDecoder *videoDecoder = new Video::AVIDecoder();
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Common::String filename = Common::String::format("%08X.AVI", objectId);
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if (!videoDecoder->loadFile(filename)) {
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delete videoDecoder;
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warning("Unable to open video %s", filename.c_str());
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return;
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}
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videoDecoder->start();
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bool skipVideo = false;
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while (!shouldQuit() && !videoDecoder->endOfVideo() && !skipVideo) {
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if (videoDecoder->needsUpdate()) {
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const Graphics::Surface *frame = videoDecoder->decodeNextFrame();
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if (videoDecoder->hasDirtyPalette()) {
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const byte *palette = videoDecoder->getPalette();
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_system->getPaletteManager()->setPalette(palette, 0, 256);
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}
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if (frame) {
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_system->copyRectToScreen(frame->getPixels(), frame->pitch, 0, 0, frame->w, frame->h);
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_system->updateScreen();
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}
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}
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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_SPACE) ||
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event.type == Common::EVENT_LBUTTONUP)
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skipVideo = true;
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}
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}
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videoDecoder->close();
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delete videoDecoder;
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}
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bool IllusionsEngine::isSoundActive() {
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// TODO
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return true;
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}
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void IllusionsEngine::setCurrFontId(uint32 fontId) {
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_fontId = fontId;
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}
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bool IllusionsEngine::checkActiveTalkThreads() {
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return _threads->isActiveThread(kMsgQueryTalkThreadActive);
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}
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void IllusionsEngine::setTextDuration(int kind, uint32 duration) {
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_field8 = kind;
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switch (_field8) {
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case 1:
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case 2:
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_fieldA = 0;
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break;
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case 3:
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case 4:
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_fieldA = duration;
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break;
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default:
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break;
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}
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}
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uint32 IllusionsEngine::clipTextDuration(uint32 duration) {
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switch (_field8) {
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case 2:
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if (duration == 0)
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duration = 240;
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break;
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case 3:
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if (duration < _fieldA)
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duration = _fieldA;
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break;
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case 4:
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if (duration > _fieldA)
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duration = _fieldA;
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break;
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}
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return duration;
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}
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void IllusionsEngine::getDefaultTextDimensions(WidthHeight &dimensions) {
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dimensions = _defaultTextDimensions;
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}
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void IllusionsEngine::setDefaultTextDimensions(WidthHeight &dimensions) {
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_defaultTextDimensions = dimensions;
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}
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void IllusionsEngine::getDefaultTextPosition(Common::Point &position) {
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position = _defaultTextPosition;
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}
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void IllusionsEngine::setDefaultTextPosition(Common::Point &position) {
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_defaultTextPosition = position;
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}
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FramesList *IllusionsEngine::findActorSequenceFrames(Sequence *sequence) {
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return _actorInstances->findSequenceFrames(sequence);
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}
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} // End of namespace Illusions
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