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engines/agos/vga_s2.cpp
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231
engines/agos/vga_s2.cpp
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/* 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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#include "agos/agos.h"
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#include "agos/intern.h"
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#include "agos/midi.h"
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#include "agos/sound.h"
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#include "graphics/surface.h"
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namespace AGOS {
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void AGOSEngine_Simon2::setupVideoOpcodes(VgaOpcodeProc *op) {
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AGOSEngine_Simon1::setupVideoOpcodes(op);
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op[56] = &AGOSEngine::vc56_delayLong;
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op[58] = &AGOSEngine::vc58_changePriority;
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op[59] = &AGOSEngine::vc59_stopAnimations;
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op[64] = &AGOSEngine::vc64_ifSpeech;
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op[65] = &AGOSEngine::vc65_slowFadeIn;
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op[66] = &AGOSEngine::vc66_ifEqual;
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op[67] = &AGOSEngine::vc67_ifLE;
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op[68] = &AGOSEngine::vc68_ifGE;
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op[69] = &AGOSEngine::vc69_playSeq;
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op[70] = &AGOSEngine::vc70_joinSeq;
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op[71] = &AGOSEngine::vc71_ifSeqWaiting;
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op[72] = &AGOSEngine::vc72_segue;
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op[73] = &AGOSEngine::vc73_setMark;
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op[74] = &AGOSEngine::vc74_clearMark;
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}
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void AGOSEngine::vc56_delayLong() {
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uint16 num = vcReadVarOrWord() * _frameCount;
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addVgaEvent(num + _vgaBaseDelay, ANIMATE_EVENT, _vcPtr, _vgaCurSpriteId, _vgaCurZoneNum);
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_vcPtr = (byte *)&_vcGetOutOfCode;
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}
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void AGOSEngine::vc58_changePriority() {
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uint16 sprite = _vgaCurSpriteId;
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uint16 file = _vgaCurZoneNum;
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const byte *vcPtrOrg;
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uint16 tmp;
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_vgaCurZoneNum = vcReadNextWord();
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_vgaCurSpriteId = vcReadNextWord();
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tmp = to16Wrapper(vcReadNextWord());
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vcPtrOrg = _vcPtr;
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_vcPtr = (byte *)&tmp;
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vc23_setPriority();
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_vcPtr = vcPtrOrg;
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_vgaCurSpriteId = sprite;
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_vgaCurZoneNum = file;
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}
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void AGOSEngine::vc59_stopAnimations() {
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uint16 file = vcReadNextWord();
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uint16 start = vcReadNextWord();
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uint16 end = vcReadNextWord() + 1;
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do {
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vcStopAnimation(file, start);
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} while (++start != end);
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}
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void AGOSEngine::vc64_ifSpeech() {
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if ((getGameType() == GType_SIMON2 && _subtitles && _language != Common::HE_ISR) ||
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!_sound->isVoiceActive()) {
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vcSkipNextInstruction();
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}
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}
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void AGOSEngine::vc65_slowFadeIn() {
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_fastFadeInFlag = 624;
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_fastFadeCount = 208;
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if (_windowNum != 4) {
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_fastFadeInFlag = 768;
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_fastFadeCount = 256;
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}
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_fastFadeInFlag |= 0x8000;
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_fastFadeOutFlag = false;
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}
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void AGOSEngine::vc66_ifEqual() {
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uint16 a = vcReadNextWord();
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uint16 b = vcReadNextWord();
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if (vcReadVar(a) != vcReadVar(b))
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vcSkipNextInstruction();
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}
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void AGOSEngine::vc67_ifLE() {
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uint16 a = vcReadNextWord();
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uint16 b = vcReadNextWord();
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if (vcReadVar(a) >= vcReadVar(b))
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vcSkipNextInstruction();
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}
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void AGOSEngine::vc68_ifGE() {
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uint16 a = vcReadNextWord();
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uint16 b = vcReadNextWord();
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if (vcReadVar(a) <= vcReadVar(b))
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vcSkipNextInstruction();
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}
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void AGOSEngine::vc69_playSeq() {
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int16 track = vcReadNextWord();
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int16 loop = vcReadNextWord();
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// Jamieson630:
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// This is a "play track". The original
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// design stored the track to play if one was
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// already in progress, so that the next time a
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// "fill MIDI stream" event occurred, the MIDI
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// player would find the change and switch
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// tracks. We use a different architecture that
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// allows for an immediate response here, but
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// we'll simulate the variable changes so other
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// scripts don't get thrown off.
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// NOTE: This opcode looks very similar in function
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// to vc72(), except that vc72() may allow for
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// specifying a non-valid track number (999 or -1)
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// as a means of stopping what music is currently
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// playing.
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_midi->setLoop(loop != 0);
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playMusic(0, track);
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}
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void AGOSEngine::vc70_joinSeq() {
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// Simon2
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uint16 track = vcReadNextWord();
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uint16 loop = vcReadNextWord();
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// Jamieson630:
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// This sets the "on end of track" action.
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// It specifies whether to loop the current
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// track and, if not, whether to switch to
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// a different track upon completion.
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if (track != 0xFFFF && track != 999)
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_midi->queueTrack(track, loop != 0);
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else
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_midi->setLoop(loop != 0);
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}
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void AGOSEngine::vc71_ifSeqWaiting() {
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// Jamieson630:
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// This command skips the next instruction
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// unless (1) there is a track playing, AND
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// (2) there is a track queued to play after it.
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if (!_midi->isPlaying(true))
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vcSkipNextInstruction();
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}
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void AGOSEngine::vc72_segue() {
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// Jamieson630:
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// This is a "play or stop track". Note that
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// this opcode looks very similar in function
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// to vc69(), except that this opcode may allow
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// for specifying a track of 999 or -1 in order to
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// stop the music. We'll code it that way for now.
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// NOTE: It's possible that when "stopping" a track,
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// we're supposed to just go on to the next queued
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// track, if any. Must find out if there is ANY
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// case where this is used to stop a track in the
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// first place.
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int16 track = vcReadNextWord();
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int16 loop = vcReadNextWord();
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if (track == -1 || track == 999) {
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stopMusic();
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} else {
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_midi->setLoop(loop != 0);
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playMusic(0, track);
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}
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}
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void AGOSEngine::vc73_setMark() {
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_marks |= (1 << vcReadNextWord());
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}
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void AGOSEngine::vc74_clearMark() {
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_marks &= ~(1 << vcReadNextWord());
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}
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void AGOSEngine_Simon2::clearVideoWindow(uint16 num, uint16 color) {
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const uint16 *vlut = &_videoWindows[num * 4];
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uint16 xoffs = vlut[0] * 16;
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uint16 yoffs = vlut[1];
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uint16 dstWidth = _videoWindows[18] * 16;
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// TODO: Is there any known connection between dstWidth and the pitch
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// of the _window4BackScn Surface? If so, we might be able to pass
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// yoffs as proper y parameter to getBasePtr.
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byte *dst = (byte *)_window4BackScn->getBasePtr(xoffs, 0) + yoffs * dstWidth;
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setMoveRect(0, 0, vlut[2] * 16, vlut[3]);
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for (uint h = 0; h < vlut[3]; h++) {
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memset(dst, color, vlut[2] * 16);
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dst += dstWidth;
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}
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_window4Flag = 1;
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}
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} // End of namespace AGOS
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