mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-15 14:18:37 +00:00
393 lines
9.0 KiB
C++
393 lines
9.0 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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* $URL$
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* $Id$
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*
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*/
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// Video script opcodes for Simon1/Simon2
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#include "agos/agos.h"
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#include "agos/intern.h"
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#include "common/system.h"
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#include "graphics/surface.h"
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namespace AGOS {
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void AGOSEngine_Elvira2::setupVideoOpcodes(VgaOpcodeProc *op) {
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AGOSEngine::setupVideoOpcodes(op);
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op[17] = &AGOSEngine::vc17_waitEnd;
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op[19] = &AGOSEngine::vc19_loop;
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op[22] = &AGOSEngine::vc22_setPaletteOld;
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op[28] = &AGOSEngine::vc28_playSFX;
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op[32] = &AGOSEngine::vc32_saveScreen;
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op[37] = &AGOSEngine::vc37_pokePalette;
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op[45] = &AGOSEngine::vc45_setWindowPalette;
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op[46] = &AGOSEngine::vc46_setPaletteSlot1;
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op[47] = &AGOSEngine::vc47_setPaletteSlot2;
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op[48] = &AGOSEngine::vc48_setPaletteSlot3;
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op[53] = &AGOSEngine::vc53_dissolveIn;
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op[54] = &AGOSEngine::vc54_dissolveOut;
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op[57] = &AGOSEngine::vc57_blackPalette;
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op[56] = &AGOSEngine::vc56_fullScreen;
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op[58] = &AGOSEngine::vc58_checkCodeWheel;
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op[59] = &AGOSEngine::vc59_ifEGA;
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}
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void AGOSEngine::vc43_ifBitSet() {
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if (!getBitFlag(vcReadNextWord())) {
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vcSkipNextInstruction();
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}
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}
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void AGOSEngine::vc44_ifBitClear() {
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if (getBitFlag(vcReadNextWord())) {
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vcSkipNextInstruction();
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}
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}
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void AGOSEngine::vc45_setWindowPalette() {
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uint16 num = vcReadNextWord();
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uint16 color = vcReadNextWord();
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const uint16 *vlut = &_videoWindows[num * 4];
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uint8 width = vlut[2] * 8;
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uint8 height = vlut[3];
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if (num == 4) {
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byte *dst = _window4BackScn;
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for (uint8 h = 0; h < height; h++) {
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for (uint8 w = 0; w < width; w++) {
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uint16 val = READ_LE_UINT16(dst + w * 2);
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val &= 0xF0F;
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val |= color * 16;
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WRITE_LE_UINT16(dst + w * 2, val);
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}
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dst += width * 2;
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}
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} else {
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Graphics::Surface *screen = _system->lockScreen();
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byte *dst = (byte *)screen->pixels + vlut[0] * 16 + vlut[1] * _dxSurfacePitch;
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if (getGameType() == GType_ELVIRA2 && num == 7) {
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dst -= 8;
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width += 4;
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}
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for (uint8 h = 0; h < height; h++) {
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for (uint8 w = 0; w < width; w++) {
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uint16 val = READ_LE_UINT16(dst + w * 2);
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val &= 0xF0F;
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val |= color * 16;
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WRITE_LE_UINT16(dst + w * 2, val);
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}
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dst += _dxSurfacePitch;
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}
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_system->unlockScreen();
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}
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}
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void AGOSEngine::setPaletteSlot(uint16 srcOffs, uint8 dstOffs) {
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byte *offs, *palptr, *src;
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uint16 num;
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palptr = _displayPalette + dstOffs * 64;
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offs = _curVgaFile1 + READ_BE_UINT16(_curVgaFile1 + 6);
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src = offs + srcOffs * 32;
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num = 16;
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do {
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uint16 color = READ_BE_UINT16(src);
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palptr[0] = ((color & 0xf00) >> 8) * 32;
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palptr[1] = ((color & 0x0f0) >> 4) * 32;
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palptr[2] = ((color & 0x00f) >> 0) * 32;
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palptr[3] = 0;
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palptr += 4;
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src += 2;
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} while (--num);
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_paletteFlag = 2;
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}
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void AGOSEngine::vc46_setPaletteSlot1() {
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uint16 srcOffs = vcReadNextWord();
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setPaletteSlot(srcOffs, 1);
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}
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void AGOSEngine::vc47_setPaletteSlot2() {
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uint16 srcOffs = vcReadNextWord();
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setPaletteSlot(srcOffs, 2);
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}
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void AGOSEngine::vc48_setPaletteSlot3() {
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uint16 srcOffs = vcReadNextWord();
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setPaletteSlot(srcOffs, 3);
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}
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void AGOSEngine::vc49_setBit() {
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uint16 bit = vcReadNextWord();
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if (getGameType() == GType_FF && bit == 82) {
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_variableArrayPtr = _variableArray2;
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}
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setBitFlag(bit, true);
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}
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void AGOSEngine::vc50_clearBit() {
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uint16 bit = vcReadNextWord();
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if (getGameType() == GType_FF && bit == 82) {
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_variableArrayPtr = _variableArray;
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}
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setBitFlag(bit, false);
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}
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void AGOSEngine::vc51_enableBox() {
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enableBox(vcReadNextWord());
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}
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void AGOSEngine::vc52_playSound() {
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bool ambient = false;
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uint16 sound = vcReadNextWord();
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if (sound >= 0x8000) {
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ambient = true;
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sound = -sound;
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}
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if (getGameType() == GType_FF || getGameType() == GType_PP) {
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int16 pan = vcReadNextWord();
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int16 vol = vcReadNextWord();
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if (ambient)
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loadSound(sound, pan, vol, 2);
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else
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loadSound(sound, pan, vol, 1);
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} else if (getGameType() == GType_SIMON2) {
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if (ambient)
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_sound->playAmbient(sound);
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else
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_sound->playEffects(sound);
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} else if (getFeatures() & GF_TALKIE) {
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_sound->playEffects(sound);
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} else if (getGameId() == GID_SIMON1DOS) {
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playSting(sound);
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} else {
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loadSound(sound);
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}
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}
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void AGOSEngine::vc53_dissolveIn() {
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uint16 num = vcReadNextWord();
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uint16 speed = vcReadNextWord() + 1;
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byte *src, *dst, *srcOffs, *srcOffs2, *dstOffs, *dstOffs2;
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uint8 color = 0;
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// Only uses Video Window 4
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num = 4;
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uint16 dissolveX = _videoWindows[num * 4 + 2] * 8;
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uint16 dissolveY = (_videoWindows[num * 4 + 3] + 1) / 2;
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uint16 dissolveCheck = dissolveY * dissolveX * 4;
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uint16 dissolveDelay = dissolveCheck * 2 / speed;
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uint16 dissolveCount = dissolveCheck * 2 / speed;
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int16 xoffs = _videoWindows[num * 4 + 0] * 16;
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int16 yoffs = _videoWindows[num * 4 + 1];
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int16 offs = xoffs + yoffs * _screenWidth;
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uint16 count = dissolveCheck * 2;
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while (count--) {
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Graphics::Surface *screen = _system->lockScreen();
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byte *dstPtr = (byte *)screen->pixels + offs;
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yoffs = _rnd.getRandomNumber(dissolveY);
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dst = dstPtr + yoffs * _screenWidth;
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src = _window4BackScn + yoffs * 224;
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xoffs = _rnd.getRandomNumber(dissolveX);
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dst += xoffs;
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src += xoffs;
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*dst &= color;
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*dst |= *src & 0xF;
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dstOffs = dst;
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srcOffs = src;
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xoffs = dissolveX * 2 - 1 - (xoffs * 2);
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dst += xoffs;
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src += xoffs;
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*dst &= color;
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*dst |= *src & 0xF;
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srcOffs2 = src;
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dstOffs2 = dst;
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yoffs = (dissolveY - 1) * 2 - (yoffs * 2);
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src = srcOffs + yoffs * 224;
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dst = dstOffs + yoffs * _screenWidth;
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color = 0xF0;
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*dst &= color;
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*dst |= *src & 0xF;
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dst = dstOffs2 + yoffs * _screenWidth;
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src = srcOffs2 + yoffs * 224;
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*dst &= color;
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*dst |= *src & 0xF;
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_system->unlockScreen();
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dissolveCount--;
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if (!dissolveCount) {
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if (count >= dissolveCheck)
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dissolveDelay++;
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dissolveCount = dissolveDelay;
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delay(1);
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}
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}
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}
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void AGOSEngine::vc54_dissolveOut() {
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uint16 num = vcReadNextWord();
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uint16 color = vcReadNextWord();
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uint16 speed = vcReadNextWord() + 1;
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byte *dst, *dstOffs;
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uint16 dissolveX = _videoWindows[num * 4 + 2] * 8;
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uint16 dissolveY = (_videoWindows[num * 4 + 3] + 1) / 2;
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uint16 dissolveCheck = dissolveY * dissolveX * 4;
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uint16 dissolveDelay = dissolveCheck * 2 / speed;
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uint16 dissolveCount = dissolveCheck * 2 / speed;
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int16 xoffs = _videoWindows[num * 4 + 0] * 16;
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int16 yoffs = _videoWindows[num * 4 + 1];
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int16 offs = xoffs + yoffs * _screenWidth;
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uint16 count = dissolveCheck * 2;
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while (count--) {
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Graphics::Surface *screen = _system->lockScreen();
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byte *dstPtr = (byte *)screen->pixels + offs;
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color |= dstPtr[0] & 0xF0;
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yoffs = _rnd.getRandomNumber(dissolveY);
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xoffs = _rnd.getRandomNumber(dissolveX);
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dst = dstPtr + xoffs + yoffs * _screenWidth;
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*dst = color;
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dstOffs = dst;
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xoffs = dissolveX * 2 - 1 - (xoffs * 2);
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dst += xoffs;
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*dst = color;
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yoffs = (dissolveY - 1) * 2 - (yoffs * 2);
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dst = dstOffs + yoffs * _screenWidth;
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*dst = color;
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dst += xoffs;
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*dst = color;
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_system->unlockScreen();
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dissolveCount--;
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if (!dissolveCount) {
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if (count >= dissolveCheck)
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dissolveDelay++;
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dissolveCount = dissolveDelay;
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delay(1);
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}
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}
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}
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void AGOSEngine::vc55_moveBox() {
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HitArea *ha = _hitAreas;
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uint count = ARRAYSIZE(_hitAreas);
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uint16 id = vcReadNextWord();
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int16 x = vcReadNextWord();
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int16 y = vcReadNextWord();
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for (;;) {
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if (ha->id == id) {
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ha->x += x;
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ha->y += y;
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break;
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}
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ha++;
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if (!--count)
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break;
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}
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_needHitAreaRecalc++;
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}
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void AGOSEngine::vc56_fullScreen() {
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Graphics::Surface *screen = _system->lockScreen();
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byte *dst = (byte *)screen->pixels;
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byte *src = _curVgaFile2 + 32;
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memcpy(dst, src + 768, _screenHeight * _screenWidth);
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_system->unlockScreen();
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//fullFade();
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uint8 palette[1024];
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for (int i = 0; i < 256; i++) {
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palette[i * 4 + 0] = *src++ * 4;
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palette[i * 4 + 1] = *src++ * 4;
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palette[i * 4 + 2] = *src++ * 4;
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palette[i * 4 + 3] = 0;
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}
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_system->setPalette(palette, 0, 256);
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}
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void AGOSEngine::vc57_blackPalette() {
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uint8 palette[1024];
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memset(palette, 0, sizeof(palette));
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_system->setPalette(palette, 0, 256);
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}
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void AGOSEngine::vc58_checkCodeWheel() {
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_variableArray[0] = 0;
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}
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void AGOSEngine::vc59_ifEGA() {
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// Skip if not EGA
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vcSkipNextInstruction();
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}
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} // End of namespace AGOS
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