mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-25 03:07:06 +00:00
3462 lines
77 KiB
C++
3462 lines
77 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 "kyra/screen.h"
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#include "kyra/kyra_v1.h"
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#include "kyra/resource.h"
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#include "common/endian.h"
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#include "common/memstream.h"
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#include "common/system.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 "graphics/sjis.h"
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namespace Kyra {
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Screen::Screen(KyraEngine_v1 *vm, OSystem *system)
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: _system(system), _vm(vm), _sjisInvisibleColor(0),
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_cursorColorKey((vm->game() == GI_KYRA1) ? 0xFF : 0x00) {
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_debugEnabled = false;
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_maskMinY = _maskMaxY = -1;
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_drawShapeVar1 = 0;
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_drawShapeVar3 = 1;
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_drawShapeVar4 = 0;
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_drawShapeVar5 = 0;
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memset(_fonts, 0, sizeof(_fonts));
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_currentFont = FID_8_FNT;
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_paletteChanged = true;
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}
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Screen::~Screen() {
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for (int i = 0; i < SCREEN_OVLS_NUM; ++i)
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delete[] _sjisOverlayPtrs[i];
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delete[] _pagePtrs[0];
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for (int f = 0; f < ARRAYSIZE(_fonts); ++f)
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delete _fonts[f];
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delete _screenPalette;
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delete _internFadePalette;
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delete[] _decodeShapeBuffer;
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delete[] _animBlockPtr;
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for (uint i = 0; i < _palettes.size(); ++i)
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delete _palettes[i];
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}
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bool Screen::init() {
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_debugEnabled = false;
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memset(_sjisOverlayPtrs, 0, sizeof(_sjisOverlayPtrs));
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_useOverlays = false;
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_useSJIS = false;
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_use16ColorMode = _vm->gameFlags().use16ColorMode;
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_isAmiga = (_vm->gameFlags().platform == Common::kPlatformAmiga);
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memset(_fonts, 0, sizeof(_fonts));
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if (_vm->gameFlags().useHiResOverlay) {
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_useOverlays = true;
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_useSJIS = (_vm->gameFlags().lang == Common::JA_JPN);
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_sjisInvisibleColor = (_vm->game() == GI_KYRA1) ? 0x80 : 0xF6;
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for (int i = 0; i < SCREEN_OVLS_NUM; ++i) {
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if (!_sjisOverlayPtrs[i]) {
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_sjisOverlayPtrs[i] = new uint8[SCREEN_OVL_SJIS_SIZE];
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assert(_sjisOverlayPtrs[i]);
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memset(_sjisOverlayPtrs[i], _sjisInvisibleColor, SCREEN_OVL_SJIS_SIZE);
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}
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}
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if (_useSJIS) {
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Graphics::FontSJIS *font = Graphics::FontSJIS::createFont(_vm->gameFlags().platform);
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if (!font)
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error("Could not load any SJIS font, neither the original nor ScummVM's 'SJIS.FNT'");
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_fonts[FID_SJIS_FNT] = new SJISFont(this, font, _sjisInvisibleColor, _use16ColorMode, !_use16ColorMode);
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}
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}
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_curPage = 0;
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uint8 *pagePtr = new uint8[SCREEN_PAGE_SIZE * 8];
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for (int pageNum = 0; pageNum < SCREEN_PAGE_NUM; pageNum += 2)
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_pagePtrs[pageNum] = _pagePtrs[pageNum + 1] = pagePtr + (pageNum >> 1) * SCREEN_PAGE_SIZE;
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memset(pagePtr, 0, SCREEN_PAGE_SIZE * 8);
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memset(_shapePages, 0, sizeof(_shapePages));
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const int paletteCount = _isAmiga ? 13 : 4;
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const int numColors = _use16ColorMode ? 16 : (_isAmiga ? 32 : 256);
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_interfacePaletteEnabled = false;
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_screenPalette = new Palette(numColors);
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assert(_screenPalette);
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_palettes.resize(paletteCount);
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for (int i = 0; i < paletteCount; ++i) {
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_palettes[i] = new Palette(numColors);
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assert(_palettes[i]);
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}
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_internFadePalette = new Palette(numColors);
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assert(_internFadePalette);
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setScreenPalette(getPalette(0));
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// We setup the PC98 text mode palette at [16, 24], since that will be used
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// for KANJI characters in Lands of Lore.
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if (_use16ColorMode && _vm->gameFlags().platform == Common::kPlatformPC98) {
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uint8 palette[8 * 3];
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for (int i = 0; i < 8; ++i) {
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palette[i * 3 + 0] = ((i >> 1) & 1) * 0xFF;
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palette[i * 3 + 1] = ((i >> 2) & 1) * 0xFF;
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palette[i * 3 + 2] = ((i >> 0) & 1) * 0xFF;
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}
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_system->getPaletteManager()->setPalette(palette, 16, 8);
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}
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_curDim = 0;
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_charWidth = 0;
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_charOffset = 0;
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for (int i = 0; i < ARRAYSIZE(_textColorsMap); ++i)
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_textColorsMap[i] = i;
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_decodeShapeBuffer = NULL;
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_decodeShapeBufferSize = 0;
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_animBlockPtr = NULL;
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_animBlockSize = 0;
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_mouseLockCount = 1;
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CursorMan.showMouse(false);
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_forceFullUpdate = false;
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return true;
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}
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bool Screen::enableScreenDebug(bool enable) {
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bool temp = _debugEnabled;
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if (_debugEnabled != enable) {
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_debugEnabled = enable;
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setResolution();
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_forceFullUpdate = true;
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updateScreen();
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}
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return temp;
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}
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void Screen::setResolution() {
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byte palette[3*256];
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_system->getPaletteManager()->grabPalette(palette, 0, 256);
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int width = 320, height = 200;
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bool defaultTo1xScaler = false;
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if (_vm->gameFlags().useHiResOverlay) {
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defaultTo1xScaler = true;
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height = 400;
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if (_debugEnabled)
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width = 960;
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else
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width = 640;
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} else {
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if (_debugEnabled)
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width = 640;
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else
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width = 320;
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}
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initGraphics(width, height, defaultTo1xScaler);
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_system->getPaletteManager()->setPalette(palette, 0, 256);
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}
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void Screen::updateScreen() {
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bool needRealUpdate = _forceFullUpdate || !_dirtyRects.empty() || _paletteChanged;
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_paletteChanged = false;
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if (_useOverlays)
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updateDirtyRectsOvl();
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else if (_isAmiga && _interfacePaletteEnabled)
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updateDirtyRectsAmiga();
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else
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updateDirtyRects();
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if (_debugEnabled) {
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needRealUpdate = true;
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if (!_useOverlays)
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_system->copyRectToScreen(getPagePtr(2), SCREEN_W, 320, 0, SCREEN_W, SCREEN_H);
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else
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_system->copyRectToScreen(getPagePtr(2), SCREEN_W, 640, 0, SCREEN_W, SCREEN_H);
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}
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if (needRealUpdate)
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_system->updateScreen();
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}
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void Screen::updateDirtyRects() {
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if (_forceFullUpdate) {
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_system->copyRectToScreen(getCPagePtr(0), SCREEN_W, 0, 0, SCREEN_W, SCREEN_H);
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} else {
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const byte *page0 = getCPagePtr(0);
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Common::List<Common::Rect>::iterator it;
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for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) {
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_system->copyRectToScreen(page0 + it->top * SCREEN_W + it->left, SCREEN_W, it->left, it->top, it->width(), it->height());
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}
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}
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_forceFullUpdate = false;
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_dirtyRects.clear();
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}
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void Screen::updateDirtyRectsAmiga() {
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if (_forceFullUpdate) {
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_system->copyRectToScreen(getCPagePtr(0), SCREEN_W, 0, 0, SCREEN_W, 136);
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// Page 8 is not used by Kyra 1 AMIGA, thus we can use it to adjust the colors
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copyRegion(0, 136, 0, 0, 320, 64, 0, 8, CR_NO_P_CHECK);
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uint8 *dst = getPagePtr(8);
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for (int y = 0; y < 64; ++y)
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for (int x = 0; x < 320; ++x)
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*dst++ += 32;
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_system->copyRectToScreen(getCPagePtr(8), SCREEN_W, 0, 136, SCREEN_W, 64);
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} else {
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const byte *page0 = getCPagePtr(0);
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Common::List<Common::Rect>::iterator it;
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for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) {
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if (it->bottom <= 136) {
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_system->copyRectToScreen(page0 + it->top * SCREEN_W + it->left, SCREEN_W, it->left, it->top, it->width(), it->height());
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} else {
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// Check whether the rectangle is part of both the screen and the interface
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if (it->top < 136) {
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// The rectangle covers both screen part and interface part
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const int screenHeight = 136 - it->top;
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const int interfaceHeight = it->bottom - 136;
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const int width = it->width();
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const int lineAdd = SCREEN_W - width;
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// Copy the screen part verbatim
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_system->copyRectToScreen(page0 + it->top * SCREEN_W + it->left, SCREEN_W, it->left, it->top, width, screenHeight);
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// Adjust the interface part
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copyRegion(it->left, 136, 0, 0, width, interfaceHeight, 0, 8, Screen::CR_NO_P_CHECK);
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uint8 *dst = getPagePtr(8);
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for (int y = 0; y < interfaceHeight; ++y) {
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for (int x = 0; x < width; ++x)
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*dst++ += 32;
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dst += lineAdd;
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}
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_system->copyRectToScreen(getCPagePtr(8), SCREEN_W, it->left, 136, width, interfaceHeight);
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} else {
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// The rectangle only covers the interface part
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const int width = it->width();
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const int height = it->height();
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const int lineAdd = SCREEN_W - width;
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copyRegion(it->left, it->top, 0, 0, width, height, 0, 8, Screen::CR_NO_P_CHECK);
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uint8 *dst = getPagePtr(8);
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for (int y = 0; y < height; ++y) {
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for (int x = 0; x < width; ++x)
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*dst++ += 32;
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dst += lineAdd;
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}
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_system->copyRectToScreen(getCPagePtr(8), SCREEN_W, it->left, it->top, width, height);
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}
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}
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}
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}
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_forceFullUpdate = false;
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_dirtyRects.clear();
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}
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void Screen::updateDirtyRectsOvl() {
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if (_forceFullUpdate) {
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const byte *src = getCPagePtr(0);
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byte *dst = _sjisOverlayPtrs[0];
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scale2x(dst, 640, src, SCREEN_W, SCREEN_W, SCREEN_H);
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mergeOverlay(0, 0, 640, 400);
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_system->copyRectToScreen(dst, 640, 0, 0, 640, 400);
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} else {
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const byte *page0 = getCPagePtr(0);
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byte *ovl0 = _sjisOverlayPtrs[0];
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Common::List<Common::Rect>::iterator it;
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for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) {
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byte *dst = ovl0 + it->top * 1280 + (it->left<<1);
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const byte *src = page0 + it->top * SCREEN_W + it->left;
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scale2x(dst, 640, src, SCREEN_W, it->width(), it->height());
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mergeOverlay(it->left<<1, it->top<<1, it->width()<<1, it->height()<<1);
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_system->copyRectToScreen(dst, 640, it->left<<1, it->top<<1, it->width()<<1, it->height()<<1);
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}
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}
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_forceFullUpdate = false;
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_dirtyRects.clear();
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}
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void Screen::scale2x(byte *dst, int dstPitch, const byte *src, int srcPitch, int w, int h) {
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byte *dstL1 = dst;
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byte *dstL2 = dst + dstPitch;
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int dstAdd = dstPitch * 2 - w * 2;
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int srcAdd = srcPitch - w;
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while (h--) {
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for (int x = 0; x < w; ++x, dstL1 += 2, dstL2 += 2) {
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uint16 col = *src++;
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col |= col << 8;
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*(uint16 *)(dstL1) = col;
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*(uint16 *)(dstL2) = col;
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}
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dstL1 += dstAdd; dstL2 += dstAdd;
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src += srcAdd;
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}
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}
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void Screen::mergeOverlay(int x, int y, int w, int h) {
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byte *dst = _sjisOverlayPtrs[0] + y * 640 + x;
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const byte *src = _sjisOverlayPtrs[1] + y * 640 + x;
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int add = 640 - w;
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while (h--) {
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for (x = 0; x < w; ++x, ++dst) {
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byte col = *src++;
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if (col != _sjisInvisibleColor)
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*dst = col;
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}
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dst += add;
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src += add;
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}
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}
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uint8 *Screen::getPagePtr(int pageNum) {
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assert(pageNum < SCREEN_PAGE_NUM);
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return _pagePtrs[pageNum];
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}
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const uint8 *Screen::getCPagePtr(int pageNum) const {
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assert(pageNum < SCREEN_PAGE_NUM);
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return _pagePtrs[pageNum];
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}
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uint8 *Screen::getPageRect(int pageNum, int x, int y, int w, int h) {
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assert(pageNum < SCREEN_PAGE_NUM);
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if (pageNum == 0 || pageNum == 1)
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addDirtyRect(x, y, w, h);
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return _pagePtrs[pageNum] + y * SCREEN_W + x;
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}
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void Screen::clearPage(int pageNum) {
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assert(pageNum < SCREEN_PAGE_NUM);
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if (pageNum == 0 || pageNum == 1)
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_forceFullUpdate = true;
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memset(getPagePtr(pageNum), 0, SCREEN_PAGE_SIZE);
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clearOverlayPage(pageNum);
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}
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int Screen::setCurPage(int pageNum) {
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assert(pageNum < SCREEN_PAGE_NUM);
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int previousPage = _curPage;
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_curPage = pageNum;
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return previousPage;
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}
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void Screen::clearCurPage() {
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if (_curPage == 0 || _curPage == 1)
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_forceFullUpdate = true;
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memset(getPagePtr(_curPage), 0, SCREEN_PAGE_SIZE);
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clearOverlayPage(_curPage);
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}
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void Screen::copyWsaRect(int x, int y, int w, int h, int dimState, int plotFunc, const uint8 *src,
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int unk1, const uint8 *unkPtr1, const uint8 *unkPtr2) {
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uint8 *dstPtr = getPagePtr(_curPage);
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uint8 *origDst = dstPtr;
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const ScreenDim *dim = getScreenDim(dimState);
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int dimX1 = dim->sx << 3;
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int dimX2 = dim->w << 3;
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dimX2 += dimX1;
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int dimY1 = dim->sy;
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int dimY2 = dim->h;
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dimY2 += dimY1;
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int temp = y - dimY1;
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if (temp < 0) {
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if ((temp += h) <= 0)
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return;
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else {
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SWAP(temp, h);
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y += temp - h;
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src += (temp - h) * w;
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}
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}
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temp = dimY2 - y;
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if (temp <= 0)
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return;
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if (temp < h)
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h = temp;
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int srcOffset = 0;
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temp = x - dimX1;
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if (temp < 0) {
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temp = -temp;
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srcOffset = temp;
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x += temp;
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w -= temp;
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}
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int srcAdd = 0;
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temp = dimX2 - x;
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if (temp <= 0)
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return;
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if (temp < w) {
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SWAP(w, temp);
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temp -= w;
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srcAdd = temp;
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}
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dstPtr += y * SCREEN_W + x;
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uint8 *dst = dstPtr;
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if (_curPage == 0 || _curPage == 1)
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addDirtyRect(x, y, w, h);
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if (!_use16ColorMode)
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clearOverlayRect(_curPage, x, y, w, h);
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temp = h;
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int curY = y;
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while (h--) {
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src += srcOffset;
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++curY;
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int cW = w;
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switch (plotFunc) {
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case 0:
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memcpy(dst, src, cW);
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dst += cW; src += cW;
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break;
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case 1:
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while (cW--) {
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uint8 d = *src++;
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uint8 t = unkPtr1[d];
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if (t != 0xFF)
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d = unkPtr2[*dst + (t << 8)];
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*dst++ = d;
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}
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break;
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case 4:
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while (cW--) {
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uint8 d = *src++;
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if (d)
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*dst = d;
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++dst;
|
|
}
|
|
break;
|
|
|
|
case 5:
|
|
while (cW--) {
|
|
uint8 d = *src++;
|
|
if (d) {
|
|
uint8 t = unkPtr1[d];
|
|
if (t != 0xFF)
|
|
d = unkPtr2[*dst + (t << 8)];
|
|
*dst = d;
|
|
}
|
|
++dst;
|
|
}
|
|
break;
|
|
|
|
case 8:
|
|
case 9:
|
|
while (cW--) {
|
|
uint8 d = *src++;
|
|
uint8 t = _shapePages[0][dst - origDst] & 7;
|
|
if (unk1 < t && (curY > _maskMinY && curY < _maskMaxY))
|
|
d = _shapePages[1][dst - origDst];
|
|
*dst++ = d;
|
|
}
|
|
break;
|
|
|
|
case 12:
|
|
case 13:
|
|
while (cW--) {
|
|
uint8 d = *src++;
|
|
if (d) {
|
|
uint8 t = _shapePages[0][dst - origDst] & 7;
|
|
if (unk1 < t && (curY > _maskMinY && curY < _maskMaxY))
|
|
d = _shapePages[1][dst - origDst];
|
|
*dst++ = d;
|
|
} else {
|
|
d = _shapePages[1][dst - origDst];
|
|
*dst++ = d;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
dst = (dstPtr += SCREEN_W);
|
|
src += srcAdd;
|
|
}
|
|
}
|
|
|
|
uint8 Screen::getPagePixel(int pageNum, int x, int y) {
|
|
assert(pageNum < SCREEN_PAGE_NUM);
|
|
assert(x >= 0 && x < SCREEN_W && y >= 0 && y < SCREEN_H);
|
|
return _pagePtrs[pageNum][y * SCREEN_W + x];
|
|
}
|
|
|
|
void Screen::setPagePixel(int pageNum, int x, int y, uint8 color) {
|
|
assert(pageNum < SCREEN_PAGE_NUM);
|
|
assert(x >= 0 && x < SCREEN_W && y >= 0 && y < SCREEN_H);
|
|
if (pageNum == 0 || pageNum == 1)
|
|
addDirtyRect(x, y, 1, 1);
|
|
|
|
if (_use16ColorMode) {
|
|
color &= 0x0F;
|
|
color |= (color << 4);
|
|
}
|
|
|
|
_pagePtrs[pageNum][y * SCREEN_W + x] = color;
|
|
}
|
|
|
|
void Screen::fadeFromBlack(int delay, const UpdateFunctor *upFunc) {
|
|
fadePalette(getPalette(0), delay, upFunc);
|
|
}
|
|
|
|
void Screen::fadeToBlack(int delay, const UpdateFunctor *upFunc) {
|
|
Palette pal(getPalette(0).getNumColors());
|
|
fadePalette(pal, delay, upFunc);
|
|
}
|
|
|
|
void Screen::fadePalette(const Palette &pal, int delay, const UpdateFunctor *upFunc) {
|
|
updateScreen();
|
|
|
|
int diff = 0, delayInc = 0;
|
|
getFadeParams(pal, delay, delayInc, diff);
|
|
|
|
int delayAcc = 0;
|
|
while (!_vm->shouldQuit()) {
|
|
delayAcc += delayInc;
|
|
|
|
int refreshed = fadePalStep(pal, diff);
|
|
|
|
if (upFunc && upFunc->isValid())
|
|
(*upFunc)();
|
|
else
|
|
_system->updateScreen();
|
|
|
|
if (!refreshed)
|
|
break;
|
|
|
|
_vm->delay((delayAcc >> 8) * 1000 / 60);
|
|
delayAcc &= 0xFF;
|
|
}
|
|
}
|
|
|
|
void Screen::getFadeParams(const Palette &pal, int delay, int &delayInc, int &diff) {
|
|
uint8 maxDiff = 0;
|
|
|
|
for (int i = 0; i < pal.getNumColors() * 3; ++i) {
|
|
diff = ABS(pal[i] - (*_screenPalette)[i]);
|
|
maxDiff = MAX<uint8>(maxDiff, diff);
|
|
}
|
|
|
|
delayInc = (delay << 8) & 0x7FFF;
|
|
if (maxDiff != 0)
|
|
delayInc /= maxDiff;
|
|
|
|
delay = delayInc;
|
|
for (diff = 1; diff <= maxDiff; ++diff) {
|
|
if (delayInc >= 512)
|
|
break;
|
|
delayInc += delay;
|
|
}
|
|
}
|
|
|
|
int Screen::fadePalStep(const Palette &pal, int diff) {
|
|
_internFadePalette->copy(*_screenPalette);
|
|
|
|
bool needRefresh = false;
|
|
|
|
for (int i = 0; i < pal.getNumColors() * 3; ++i) {
|
|
int c1 = pal[i];
|
|
int c2 = (*_internFadePalette)[i];
|
|
if (c1 != c2) {
|
|
needRefresh = true;
|
|
if (c1 > c2) {
|
|
c2 += diff;
|
|
if (c1 < c2)
|
|
c2 = c1;
|
|
}
|
|
|
|
if (c1 < c2) {
|
|
c2 -= diff;
|
|
if (c1 > c2)
|
|
c2 = c1;
|
|
}
|
|
|
|
(*_internFadePalette)[i] = (uint8)c2;
|
|
}
|
|
}
|
|
|
|
if (needRefresh)
|
|
setScreenPalette(*_internFadePalette);
|
|
|
|
return needRefresh ? 1 : 0;
|
|
}
|
|
|
|
void Screen::setPaletteIndex(uint8 index, uint8 red, uint8 green, uint8 blue) {
|
|
Palette &pal = getPalette(0);
|
|
|
|
const int offset = index * 3;
|
|
|
|
if (pal[offset + 0] == red && pal[offset + 1] == green && pal[offset + 2] == blue)
|
|
return;
|
|
|
|
pal[offset + 0] = red;
|
|
pal[offset + 1] = green;
|
|
pal[offset + 2] = blue;
|
|
|
|
setScreenPalette(pal);
|
|
}
|
|
|
|
void Screen::getRealPalette(int num, uint8 *dst) {
|
|
const int colors = _use16ColorMode ? 16 : (_isAmiga ? 32 : 256);
|
|
const uint8 *palData = getPalette(num).getData();
|
|
|
|
if (!palData) {
|
|
memset(dst, 0, colors * 3);
|
|
return;
|
|
}
|
|
|
|
for (int i = 0; i < colors; ++i) {
|
|
dst[0] = (palData[0] * 0xFF) / 0x3F;
|
|
dst[1] = (palData[1] * 0xFF) / 0x3F;
|
|
dst[2] = (palData[2] * 0xFF) / 0x3F;
|
|
dst += 3;
|
|
palData += 3;
|
|
}
|
|
}
|
|
|
|
void Screen::setScreenPalette(const Palette &pal) {
|
|
uint8 screenPal[256 * 3];
|
|
_screenPalette->copy(pal);
|
|
|
|
for (int i = 0; i < pal.getNumColors(); ++i) {
|
|
screenPal[3 * i + 0] = (pal[i * 3 + 0] * 0xFF) / 0x3F;
|
|
screenPal[3 * i + 1] = (pal[i * 3 + 1] * 0xFF) / 0x3F;
|
|
screenPal[3 * i + 2] = (pal[i * 3 + 2] * 0xFF) / 0x3F;
|
|
}
|
|
|
|
_paletteChanged = true;
|
|
_system->getPaletteManager()->setPalette(screenPal, 0, pal.getNumColors());
|
|
}
|
|
|
|
void Screen::enableInterfacePalette(bool e) {
|
|
_interfacePaletteEnabled = e;
|
|
|
|
_forceFullUpdate = true;
|
|
_dirtyRects.clear();
|
|
|
|
// TODO: We might need to reset the mouse cursor
|
|
|
|
updateScreen();
|
|
}
|
|
|
|
void Screen::setInterfacePalette(const Palette &pal, uint8 r, uint8 g, uint8 b) {
|
|
if (!_isAmiga)
|
|
return;
|
|
|
|
uint8 screenPal[32 * 3];
|
|
|
|
assert(32 <= pal.getNumColors());
|
|
|
|
for (int i = 0; i < pal.getNumColors(); ++i) {
|
|
if (i != 0x10) {
|
|
screenPal[3 * i + 0] = (pal[i * 3 + 0] * 0xFF) / 0x3F;
|
|
screenPal[3 * i + 1] = (pal[i * 3 + 1] * 0xFF) / 0x3F;
|
|
screenPal[3 * i + 2] = (pal[i * 3 + 2] * 0xFF) / 0x3F;
|
|
} else {
|
|
screenPal[3 * i + 0] = (r * 0xFF) / 0x3F;
|
|
screenPal[3 * i + 1] = (g * 0xFF) / 0x3F;
|
|
screenPal[3 * i + 2] = (b * 0xFF) / 0x3F;
|
|
}
|
|
}
|
|
|
|
_paletteChanged = true;
|
|
_system->getPaletteManager()->setPalette(screenPal, 32, pal.getNumColors());
|
|
}
|
|
|
|
void Screen::copyToPage0(int y, int h, uint8 page, uint8 *seqBuf) {
|
|
assert(y + h <= SCREEN_H);
|
|
const uint8 *src = getPagePtr(page) + y * SCREEN_W;
|
|
uint8 *dstPage = getPagePtr(0) + y * SCREEN_W;
|
|
for (int i = 0; i < h; ++i) {
|
|
for (int x = 0; x < SCREEN_W; ++x) {
|
|
if (seqBuf[x] != src[x]) {
|
|
seqBuf[x] = src[x];
|
|
dstPage[x] = src[x];
|
|
}
|
|
}
|
|
src += SCREEN_W;
|
|
seqBuf += SCREEN_W;
|
|
dstPage += SCREEN_W;
|
|
}
|
|
addDirtyRect(0, y, SCREEN_W, h);
|
|
// This would remove the text in the end sequence of
|
|
// the (Kyrandia 1) FM-TOWNS version.
|
|
// Since this method is just used for the Seqplayer
|
|
// this shouldn't be a problem anywhere else, so it's
|
|
// safe to disable the call here.
|
|
//clearOverlayRect(0, 0, y, SCREEN_W, h);
|
|
}
|
|
|
|
void Screen::copyRegion(int x1, int y1, int x2, int y2, int w, int h, int srcPage, int dstPage, int flags) {
|
|
if (x2 < 0) {
|
|
if (x2 <= -w)
|
|
return;
|
|
w += x2;
|
|
x1 -= x2;
|
|
x2 = 0;
|
|
} else if (x2 + w >= SCREEN_W) {
|
|
if (x2 > SCREEN_W)
|
|
return;
|
|
w = SCREEN_W - x2;
|
|
}
|
|
|
|
if (y2 < 0) {
|
|
if (y2 <= -h)
|
|
return;
|
|
h += y2;
|
|
y1 -= y2;
|
|
y2 = 0;
|
|
} else if (y2 + h >= SCREEN_H) {
|
|
if (y2 > SCREEN_H)
|
|
return;
|
|
h = SCREEN_H - y2;
|
|
}
|
|
|
|
const uint8 *src = getPagePtr(srcPage) + y1 * SCREEN_W + x1;
|
|
uint8 *dst = getPagePtr(dstPage) + y2 * SCREEN_W + x2;
|
|
|
|
if (dstPage == 0 || dstPage == 1)
|
|
addDirtyRect(x2, y2, w, h);
|
|
|
|
copyOverlayRegion(x1, y1, x2, y2, w, h, srcPage, dstPage);
|
|
|
|
if (flags & CR_NO_P_CHECK) {
|
|
while (h--) {
|
|
memcpy(dst, src, w);
|
|
src += SCREEN_W;
|
|
dst += SCREEN_W;
|
|
}
|
|
} else {
|
|
while (h--) {
|
|
for (int i = 0; i < w; ++i) {
|
|
if (src[i])
|
|
dst[i] = src[i];
|
|
}
|
|
src += SCREEN_W;
|
|
dst += SCREEN_W;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Screen::copyRegionToBuffer(int pageNum, int x, int y, int w, int h, uint8 *dest) {
|
|
if (y < 0) {
|
|
dest += (-y) * w;
|
|
h += y;
|
|
y = 0;
|
|
} else if (y + h > SCREEN_H) {
|
|
h = SCREEN_H - y;
|
|
}
|
|
|
|
if (x < 0) {
|
|
dest += -x;
|
|
w += x;
|
|
x = 0;
|
|
} else if (x + w > SCREEN_W) {
|
|
w = SCREEN_W - x;
|
|
}
|
|
|
|
if (w < 0 || h < 0)
|
|
return;
|
|
|
|
uint8 *pagePtr = getPagePtr(pageNum);
|
|
|
|
for (int i = y; i < y + h; ++i)
|
|
memcpy(dest + (i - y) * w, pagePtr + i * SCREEN_W + x, w);
|
|
}
|
|
|
|
void Screen::copyPage(uint8 srcPage, uint8 dstPage) {
|
|
uint8 *src = getPagePtr(srcPage);
|
|
uint8 *dst = getPagePtr(dstPage);
|
|
memcpy(dst, src, SCREEN_W * SCREEN_H);
|
|
copyOverlayRegion(0, 0, 0, 0, SCREEN_W, SCREEN_H, srcPage, dstPage);
|
|
|
|
if (dstPage == 0 || dstPage == 1)
|
|
_forceFullUpdate = true;
|
|
}
|
|
|
|
void Screen::copyBlockToPage(int pageNum, int x, int y, int w, int h, const uint8 *src) {
|
|
if (y < 0) {
|
|
src += (-y) * w;
|
|
h += y;
|
|
y = 0;
|
|
} else if (y + h > SCREEN_H) {
|
|
h = SCREEN_H - y;
|
|
}
|
|
|
|
if (x < 0) {
|
|
src += -x;
|
|
w += x;
|
|
x = 0;
|
|
} else if (x + w > SCREEN_W) {
|
|
w = SCREEN_W - x;
|
|
}
|
|
|
|
if (w < 0 || h < 0)
|
|
return;
|
|
|
|
uint8 *dst = getPagePtr(pageNum) + y * SCREEN_W + x;
|
|
|
|
if (pageNum == 0 || pageNum == 1)
|
|
addDirtyRect(x, y, w, h);
|
|
|
|
clearOverlayRect(pageNum, x, y, w, h);
|
|
|
|
while (h--) {
|
|
memcpy(dst, src, w);
|
|
dst += SCREEN_W;
|
|
src += w;
|
|
}
|
|
}
|
|
|
|
void Screen::shuffleScreen(int sx, int sy, int w, int h, int srcPage, int dstPage, int ticks, bool transparent) {
|
|
assert(sx >= 0 && w <= SCREEN_W);
|
|
int x;
|
|
uint16 x_offs[SCREEN_W];
|
|
for (x = 0; x < SCREEN_W; ++x)
|
|
x_offs[x] = x;
|
|
|
|
for (x = 0; x < w; ++x) {
|
|
int i = _vm->_rnd.getRandomNumber(w - 1);
|
|
SWAP(x_offs[x], x_offs[i]);
|
|
}
|
|
|
|
assert(sy >= 0 && h <= SCREEN_H);
|
|
int y;
|
|
uint8 y_offs[SCREEN_H];
|
|
for (y = 0; y < SCREEN_H; ++y)
|
|
y_offs[y] = y;
|
|
|
|
for (y = 0; y < h; ++y) {
|
|
int i = _vm->_rnd.getRandomNumber(h - 1);
|
|
SWAP(y_offs[y], y_offs[i]);
|
|
}
|
|
|
|
int32 start, now;
|
|
int wait;
|
|
for (y = 0; y < h && !_vm->shouldQuit(); ++y) {
|
|
start = (int32)_system->getMillis();
|
|
int y_cur = y;
|
|
for (x = 0; x < w; ++x) {
|
|
int i = sx + x_offs[x];
|
|
int j = sy + y_offs[y_cur];
|
|
++y_cur;
|
|
if (y_cur >= h)
|
|
y_cur = 0;
|
|
|
|
uint8 color = getPagePixel(srcPage, i, j);
|
|
if (!transparent || color != 0)
|
|
setPagePixel(dstPage, i, j, color);
|
|
}
|
|
// forcing full update for now
|
|
_forceFullUpdate = true;
|
|
updateScreen();
|
|
now = (int32)_system->getMillis();
|
|
wait = ticks * _vm->tickLength() - (now - start);
|
|
if (wait > 0)
|
|
_vm->delay(wait);
|
|
}
|
|
|
|
copyOverlayRegion(sx, sy, sx, sy, w, h, srcPage, dstPage);
|
|
|
|
if (_vm->shouldQuit()) {
|
|
copyRegion(sx, sy, sx, sy, w, h, srcPage, dstPage);
|
|
_system->updateScreen();
|
|
}
|
|
}
|
|
|
|
void Screen::fillRect(int x1, int y1, int x2, int y2, uint8 color, int pageNum, bool xored) {
|
|
assert(x2 < SCREEN_W && y2 < SCREEN_H);
|
|
if (pageNum == -1)
|
|
pageNum = _curPage;
|
|
|
|
uint8 *dst = getPagePtr(pageNum) + y1 * SCREEN_W + x1;
|
|
|
|
if (pageNum == 0 || pageNum == 1)
|
|
addDirtyRect(x1, y1, x2-x1+1, y2-y1+1);
|
|
|
|
clearOverlayRect(pageNum, x1, y1, x2-x1+1, y2-y1+1);
|
|
|
|
if (_use16ColorMode) {
|
|
color &= 0x0F;
|
|
color |= (color << 4);
|
|
}
|
|
|
|
if (xored) {
|
|
for (; y1 <= y2; ++y1) {
|
|
for (int x = x1; x <= x2; ++x)
|
|
dst[x] ^= color;
|
|
dst += SCREEN_W;
|
|
}
|
|
} else {
|
|
for (; y1 <= y2; ++y1) {
|
|
memset(dst, color, x2 - x1 + 1);
|
|
dst += SCREEN_W;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Screen::drawBox(int x1, int y1, int x2, int y2, int color) {
|
|
drawClippedLine(x1, y1, x2, y1, color);
|
|
drawClippedLine(x1, y1, x1, y2, color);
|
|
drawClippedLine(x2, y1, x2, y2, color);
|
|
drawClippedLine(x1, y2, x2, y2, color);
|
|
}
|
|
|
|
void Screen::drawShadedBox(int x1, int y1, int x2, int y2, int color1, int color2) {
|
|
assert(x1 >= 0 && y1 >= 0);
|
|
hideMouse();
|
|
|
|
fillRect(x1, y1, x2, y1 + 1, color1);
|
|
fillRect(x2 - 1, y1, x2, y2, color1);
|
|
|
|
drawClippedLine(x1, y1, x1, y2, color2);
|
|
drawClippedLine(x1 + 1, y1 + 1, x1 + 1, y2 - 1, color2);
|
|
drawClippedLine(x1, y2 - 1, x2 - 1, y2 - 1, color2);
|
|
drawClippedLine(x1, y2, x2, y2, color2);
|
|
|
|
showMouse();
|
|
}
|
|
|
|
void Screen::drawClippedLine(int x1, int y1, int x2, int y2, int color) {
|
|
if (x1 < 0)
|
|
x1 = 0;
|
|
else if (x1 > 319)
|
|
x1 = 319;
|
|
|
|
if (x2 < 0)
|
|
x2 = 0;
|
|
else if (x2 > 319)
|
|
x2 = 319;
|
|
|
|
if (y1 < 0)
|
|
y1 = 0;
|
|
else if (y1 > 199)
|
|
y1 = 199;
|
|
|
|
if (y2 < 0)
|
|
y2 = 0;
|
|
else if (y2 > 199)
|
|
y2 = 199;
|
|
|
|
if (x1 == x2)
|
|
if (y1 > y2)
|
|
drawLine(true, x1, y2, y1 - y2 + 1, color);
|
|
else
|
|
drawLine(true, x1, y1, y2 - y1 + 1, color);
|
|
else
|
|
if (x1 > x2)
|
|
drawLine(false, x2, y1, x1 - x2 + 1, color);
|
|
else
|
|
drawLine(false, x1, y1, x2 - x1 + 1, color);
|
|
}
|
|
|
|
void Screen::drawLine(bool vertical, int x, int y, int length, int color) {
|
|
uint8 *ptr = getPagePtr(_curPage) + y * SCREEN_W + x;
|
|
|
|
if (_use16ColorMode) {
|
|
color &= 0x0F;
|
|
color |= (color << 4);
|
|
}
|
|
|
|
if (vertical) {
|
|
assert((y + length) <= SCREEN_H);
|
|
int currLine = 0;
|
|
while (currLine < length) {
|
|
*ptr = color;
|
|
ptr += SCREEN_W;
|
|
currLine++;
|
|
}
|
|
} else {
|
|
assert((x + length) <= SCREEN_W);
|
|
memset(ptr, color, length);
|
|
}
|
|
|
|
if (_curPage == 0 || _curPage == 1)
|
|
addDirtyRect(x, y, (vertical) ? 1 : length, (vertical) ? length : 1);
|
|
|
|
clearOverlayRect(_curPage, x, y, (vertical) ? 1 : length, (vertical) ? length : 1);
|
|
}
|
|
|
|
void Screen::setAnimBlockPtr(int size) {
|
|
delete[] _animBlockPtr;
|
|
_animBlockPtr = new uint8[size];
|
|
assert(_animBlockPtr);
|
|
memset(_animBlockPtr, 0, size);
|
|
_animBlockSize = size;
|
|
}
|
|
|
|
void Screen::setTextColor(const uint8 *cmap, int a, int b) {
|
|
memcpy(&_textColorsMap[a], cmap, b-a+1);
|
|
|
|
// We need to update the color tables of all fonts, we
|
|
// setup so far here.
|
|
for (int i = 0; i < FID_NUM; ++i) {
|
|
if (_fonts[i])
|
|
_fonts[i]->setColorMap(_textColorsMap);
|
|
}
|
|
}
|
|
|
|
bool Screen::loadFont(FontId fontId, const char *filename) {
|
|
if (fontId == FID_SJIS_FNT) {
|
|
warning("Trying to replace system SJIS font");
|
|
return true;
|
|
}
|
|
|
|
Font *&fnt = _fonts[fontId];
|
|
|
|
if (!fnt) {
|
|
if (_isAmiga)
|
|
fnt = new AMIGAFont();
|
|
else
|
|
fnt = new DOSFont();
|
|
|
|
assert(fnt);
|
|
}
|
|
|
|
Common::SeekableReadStream *file = _vm->resource()->createReadStream(filename);
|
|
if (!file)
|
|
error("Font file '%s' is missing", filename);
|
|
|
|
bool ret = fnt->load(*file);
|
|
fnt->setColorMap(_textColorsMap);
|
|
delete file;
|
|
return ret;
|
|
}
|
|
|
|
Screen::FontId Screen::setFont(FontId fontId) {
|
|
FontId prev = _currentFont;
|
|
_currentFont = fontId;
|
|
|
|
assert(_fonts[_currentFont]);
|
|
return prev;
|
|
}
|
|
|
|
int Screen::getFontHeight() const {
|
|
return _fonts[_currentFont]->getHeight();
|
|
}
|
|
|
|
int Screen::getFontWidth() const {
|
|
return _fonts[_currentFont]->getWidth();
|
|
}
|
|
|
|
int Screen::getCharWidth(uint16 c) const {
|
|
const int width = _fonts[_currentFont]->getCharWidth(c);
|
|
return width + ((_currentFont != FID_SJIS_FNT) ? _charWidth : 0);
|
|
}
|
|
|
|
int Screen::getTextWidth(const char *str) const {
|
|
int curLineLen = 0;
|
|
int maxLineLen = 0;
|
|
|
|
while (1) {
|
|
uint c = fetchChar(str);
|
|
|
|
if (c == 0) {
|
|
break;
|
|
} else if (c == '\r') {
|
|
if (curLineLen > maxLineLen)
|
|
maxLineLen = curLineLen;
|
|
else
|
|
curLineLen = 0;
|
|
} else {
|
|
curLineLen += getCharWidth(c);
|
|
}
|
|
}
|
|
|
|
return MAX(curLineLen, maxLineLen);
|
|
}
|
|
|
|
void Screen::printText(const char *str, int x, int y, uint8 color1, uint8 color2) {
|
|
uint8 cmap[2];
|
|
cmap[0] = color2;
|
|
cmap[1] = color1;
|
|
setTextColor(cmap, 0, 1);
|
|
|
|
const uint8 charHeightFnt = getFontHeight();
|
|
|
|
if (x < 0)
|
|
x = 0;
|
|
else if (x >= SCREEN_W)
|
|
return;
|
|
|
|
int x_start = x;
|
|
if (y < 0)
|
|
y = 0;
|
|
else if (y >= SCREEN_H)
|
|
return;
|
|
|
|
while (1) {
|
|
uint c = fetchChar(str);
|
|
|
|
if (c == 0) {
|
|
break;
|
|
} else if (c == '\r') {
|
|
x = x_start;
|
|
y += charHeightFnt + _charOffset;
|
|
} else {
|
|
int charWidth = getCharWidth(c);
|
|
if (x + charWidth > SCREEN_W) {
|
|
x = x_start;
|
|
y += charHeightFnt + _charOffset;
|
|
if (y >= SCREEN_H)
|
|
break;
|
|
}
|
|
|
|
drawChar(c, x, y);
|
|
x += charWidth;
|
|
}
|
|
}
|
|
}
|
|
|
|
uint16 Screen::fetchChar(const char *&s) const {
|
|
if (_currentFont != FID_SJIS_FNT)
|
|
return (uint8)*s++;
|
|
|
|
uint16 ch = (uint8)*s++;
|
|
|
|
if (ch <= 0x7F || (ch >= 0xA1 && ch <= 0xDF))
|
|
return ch;
|
|
|
|
ch |= (uint8)(*s++) << 8;
|
|
return ch;
|
|
}
|
|
|
|
void Screen::drawChar(uint16 c, int x, int y) {
|
|
Font *fnt = _fonts[_currentFont];
|
|
assert(fnt);
|
|
|
|
const bool useOverlay = fnt->usesOverlay();
|
|
const int charWidth = fnt->getCharWidth(c);
|
|
const int charHeight = fnt->getHeight();
|
|
|
|
if (x < 0 || y < 0)
|
|
return;
|
|
if (x + charWidth > SCREEN_W || y + charHeight > SCREEN_H)
|
|
return;
|
|
|
|
if (useOverlay) {
|
|
uint8 *destPage = getOverlayPtr(_curPage);
|
|
if (!destPage) {
|
|
warning("trying to draw SJIS char on unsupported page %d", _curPage);
|
|
return;
|
|
}
|
|
|
|
destPage += (y * 2) * 640 + (x * 2);
|
|
|
|
fnt->drawChar(c, destPage, 640);
|
|
} else {
|
|
fnt->drawChar(c, getPagePtr(_curPage) + y * SCREEN_W + x, SCREEN_W);
|
|
}
|
|
|
|
if (_curPage == 0 || _curPage == 1)
|
|
addDirtyRect(x, y, charWidth, charHeight);
|
|
}
|
|
|
|
void Screen::drawShape(uint8 pageNum, const uint8 *shapeData, int x, int y, int sd, int flags, ...) {
|
|
if (!shapeData)
|
|
return;
|
|
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
shapeData += 2;
|
|
|
|
if (*shapeData & 1)
|
|
flags |= 0x400;
|
|
|
|
va_list args;
|
|
va_start(args, flags);
|
|
|
|
static const int drawShapeVar2[] = {
|
|
1, 3, 2, 5, 4, 3, 2, 1
|
|
};
|
|
|
|
_dsTable = 0;
|
|
_dsTableLoopCount = 0;
|
|
_dsTable2 = 0;
|
|
_dsTable3 = 0;
|
|
_dsTable4 = 0;
|
|
_dsTable5 = 0;
|
|
_dsDrawLayer = 0;
|
|
|
|
if (flags & 0x8000) {
|
|
_dsTable2 = va_arg(args, uint8 *);
|
|
}
|
|
|
|
if (flags & 0x100) {
|
|
_dsTable = va_arg(args, uint8 *);
|
|
_dsTableLoopCount = va_arg(args, int);
|
|
if (!_dsTableLoopCount)
|
|
flags &= ~0x100;
|
|
}
|
|
|
|
if (flags & 0x1000) {
|
|
_dsTable3 = va_arg(args, uint8 *);
|
|
_dsTable4 = va_arg(args, uint8 *);
|
|
}
|
|
|
|
if (flags & 0x200) {
|
|
_drawShapeVar1 = (_drawShapeVar1 + 1) & 0x7;
|
|
_drawShapeVar3 = drawShapeVar2[_drawShapeVar1];
|
|
_drawShapeVar4 = 0;
|
|
_drawShapeVar5 = 256;
|
|
}
|
|
|
|
if (flags & 0x4000)
|
|
_drawShapeVar5 = va_arg(args, int);
|
|
|
|
if (flags & 0x800)
|
|
_dsDrawLayer = va_arg(args, int);
|
|
|
|
if (flags & DSF_SCALE) {
|
|
_dsScaleW = va_arg(args, int);
|
|
_dsScaleH = va_arg(args, int);
|
|
} else {
|
|
_dsScaleW = 0x100;
|
|
_dsScaleH = 0x100;
|
|
}
|
|
|
|
if ((flags & 0x2000) && _vm->game() != GI_KYRA1)
|
|
_dsTable5 = va_arg(args, uint8 *);
|
|
|
|
static const DsMarginSkipFunc dsMarginFunc[] = {
|
|
&Screen::drawShapeMarginNoScaleUpwind,
|
|
&Screen::drawShapeMarginNoScaleDownwind,
|
|
&Screen::drawShapeMarginNoScaleUpwind,
|
|
&Screen::drawShapeMarginNoScaleDownwind,
|
|
&Screen::drawShapeMarginScaleUpwind,
|
|
&Screen::drawShapeMarginScaleDownwind,
|
|
&Screen::drawShapeMarginScaleUpwind,
|
|
&Screen::drawShapeMarginScaleDownwind
|
|
};
|
|
|
|
static const DsMarginSkipFunc dsSkipFunc[] = {
|
|
&Screen::drawShapeMarginNoScaleUpwind,
|
|
&Screen::drawShapeMarginNoScaleDownwind,
|
|
&Screen::drawShapeMarginNoScaleUpwind,
|
|
&Screen::drawShapeMarginNoScaleDownwind,
|
|
&Screen::drawShapeSkipScaleUpwind,
|
|
&Screen::drawShapeSkipScaleDownwind,
|
|
&Screen::drawShapeSkipScaleUpwind,
|
|
&Screen::drawShapeSkipScaleDownwind
|
|
};
|
|
|
|
static const DsLineFunc dsLineFunc[] = {
|
|
&Screen::drawShapeProcessLineNoScaleUpwind,
|
|
&Screen::drawShapeProcessLineNoScaleDownwind,
|
|
&Screen::drawShapeProcessLineNoScaleUpwind,
|
|
&Screen::drawShapeProcessLineNoScaleDownwind,
|
|
&Screen::drawShapeProcessLineScaleUpwind,
|
|
&Screen::drawShapeProcessLineScaleDownwind,
|
|
&Screen::drawShapeProcessLineScaleUpwind,
|
|
&Screen::drawShapeProcessLineScaleDownwind
|
|
};
|
|
|
|
static const DsPlotFunc dsPlotFunc[] = {
|
|
&Screen::drawShapePlotType0, // used by Kyra 1 + 2
|
|
&Screen::drawShapePlotType1, // used by Kyra 3
|
|
0,
|
|
&Screen::drawShapePlotType3_7, // used by Kyra 3 (shadow)
|
|
&Screen::drawShapePlotType4, // used by Kyra 1, 2 + 3
|
|
&Screen::drawShapePlotType5, // used by Kyra 1
|
|
&Screen::drawShapePlotType6, // used by Kyra 1 (invisibility)
|
|
&Screen::drawShapePlotType3_7, // used by Kyra 1 (invisibility)
|
|
&Screen::drawShapePlotType8, // used by Kyra 2
|
|
&Screen::drawShapePlotType9, // used by Kyra 1 + 3
|
|
0,
|
|
&Screen::drawShapePlotType11_15, // used by Kyra 1 (invisibility) + Kyra 3 (shadow)
|
|
&Screen::drawShapePlotType12, // used by Kyra 2
|
|
&Screen::drawShapePlotType13, // used by Kyra 1
|
|
&Screen::drawShapePlotType14, // used by Kyra 1 (invisibility)
|
|
&Screen::drawShapePlotType11_15, // used by Kyra 1 (invisibility)
|
|
&Screen::drawShapePlotType16, // used by LoL PC-98/16 Colors (teleporters),
|
|
0, 0, 0,
|
|
&Screen::drawShapePlotType20, // used by LoL (heal spell effect)
|
|
&Screen::drawShapePlotType21, // used by LoL (white tower spirits)
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0,
|
|
&Screen::drawShapePlotType33, // used by LoL (blood spots on the floor)
|
|
0, 0, 0,
|
|
&Screen::drawShapePlotType37, // used by LoL (monsters)
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
&Screen::drawShapePlotType48, // used by LoL (slime spots on the floor)
|
|
0, 0, 0,
|
|
&Screen::drawShapePlotType52, // used by LoL (projectiles)
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0
|
|
};
|
|
|
|
int scaleCounterV = 0;
|
|
|
|
const int drawFunc = flags & 0x0f;
|
|
_dsProcessMargin = dsMarginFunc[drawFunc];
|
|
_dsScaleSkip = dsSkipFunc[drawFunc];
|
|
_dsProcessLine = dsLineFunc[drawFunc];
|
|
|
|
const int ppc = (flags >> 8) & 0x3F;
|
|
_dsPlot = dsPlotFunc[ppc];
|
|
DsPlotFunc dsPlot2 = dsPlotFunc[ppc], dsPlot3 = dsPlotFunc[ppc];
|
|
if (flags & 0x800)
|
|
dsPlot3 = dsPlotFunc[((flags >> 8) & 0xF7) & 0x3F];
|
|
|
|
if (!_dsPlot || !dsPlot2 || !dsPlot3) {
|
|
if (!dsPlot2)
|
|
warning("Missing drawShape plotting method type %d", ppc);
|
|
if (dsPlot3 != dsPlot2 && !dsPlot3)
|
|
warning("Missing drawShape plotting method type %d", (((flags >> 8) & 0xF7) & 0x3F));
|
|
va_end(args);
|
|
return;
|
|
}
|
|
|
|
int curY = y;
|
|
const uint8 *src = shapeData;
|
|
uint8 *dst = _dsDstPage = getPagePtr(pageNum);
|
|
|
|
const ScreenDim *dsDim = getScreenDim(sd);
|
|
dst += (dsDim->sx << 3);
|
|
|
|
if (!(flags & 0x10))
|
|
x -= (dsDim->sx << 3);
|
|
|
|
int x2 = (dsDim->w << 3);
|
|
int y1 = dsDim->sy;
|
|
if (flags & 0x10)
|
|
y += y1;
|
|
|
|
int y2 = y1 + dsDim->h;
|
|
|
|
uint16 shapeFlags = READ_LE_UINT16(src); src += 2;
|
|
|
|
int shapeHeight = *src++;
|
|
uint16 shapeWidth = READ_LE_UINT16(src); src += 2;
|
|
|
|
int shpWidthScaled1 = shapeWidth;
|
|
int shpWidthScaled2 = shapeWidth;
|
|
|
|
if (flags & DSF_SCALE) {
|
|
shapeHeight = (shapeHeight * _dsScaleH) >> 8;
|
|
shpWidthScaled1 = shpWidthScaled2 = (shapeWidth * _dsScaleW) >> 8;
|
|
|
|
if (!shapeHeight || !shpWidthScaled1) {
|
|
va_end(args);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (flags & DSF_CENTER) {
|
|
x -= (shpWidthScaled1 >> 1);
|
|
y -= (shapeHeight >> 1);
|
|
}
|
|
|
|
src += 3;
|
|
|
|
uint16 frameSize = READ_LE_UINT16(src); src += 2;
|
|
|
|
int colorTableColors = ((_vm->game() != GI_KYRA1) && (shapeFlags & 4)) ? *src++ : 16;
|
|
|
|
if (!(flags & 0x8000) && (shapeFlags & 1))
|
|
_dsTable2 = src;
|
|
|
|
if (flags & 0x400)
|
|
src += colorTableColors;
|
|
|
|
if (!(shapeFlags & 2)) {
|
|
decodeFrame4(src, _animBlockPtr, frameSize);
|
|
src = _animBlockPtr;
|
|
}
|
|
|
|
int t = (flags & 2) ? y2 - y - shapeHeight : y - y1;
|
|
|
|
if (t < 0) {
|
|
shapeHeight += t;
|
|
if (shapeHeight <= 0) {
|
|
va_end(args);
|
|
return;
|
|
}
|
|
|
|
t *= -1;
|
|
const uint8 *srcBackUp = 0;
|
|
|
|
do {
|
|
_dsOffscreenScaleVal1 = 0;
|
|
srcBackUp = src;
|
|
_dsTmpWidth = shapeWidth;
|
|
|
|
int cnt = shapeWidth;
|
|
(this->*_dsScaleSkip)(dst, src, cnt);
|
|
|
|
scaleCounterV += _dsScaleH;
|
|
|
|
if (scaleCounterV & 0xFF00) {
|
|
uint8 r = scaleCounterV >> 8;
|
|
scaleCounterV &= 0xFF;
|
|
t -= r;
|
|
}
|
|
} while (!(scaleCounterV & 0xFF00) && (t > 0));
|
|
|
|
if (t < 0) {
|
|
src = srcBackUp;
|
|
scaleCounterV += (-t << 8);
|
|
}
|
|
|
|
if (!(flags & 2))
|
|
y = y1;
|
|
}
|
|
|
|
t = (flags & 2) ? y + shapeHeight - y1 : y2 - y;
|
|
if (t <= 0) {
|
|
va_end(args);
|
|
return;
|
|
}
|
|
|
|
if (t < shapeHeight) {
|
|
shapeHeight = t;
|
|
if (flags & 2)
|
|
y = y1;
|
|
}
|
|
|
|
_dsOffscreenLeft = 0;
|
|
if (x < 0) {
|
|
shpWidthScaled1 += x;
|
|
_dsOffscreenLeft = -x;
|
|
if (_dsOffscreenLeft >= shpWidthScaled2) {
|
|
va_end(args);
|
|
return;
|
|
}
|
|
x = 0;
|
|
}
|
|
|
|
_dsOffscreenRight = 0;
|
|
t = x2 - x;
|
|
|
|
if (t <= 0) {
|
|
va_end(args);
|
|
return;
|
|
}
|
|
|
|
if (t < shpWidthScaled1) {
|
|
shpWidthScaled1 = t;
|
|
_dsOffscreenRight = shpWidthScaled2 - _dsOffscreenLeft - shpWidthScaled1;
|
|
}
|
|
|
|
int dsPitch = 320;
|
|
int ty = y;
|
|
|
|
if (flags & 2) {
|
|
dsPitch *= -1;
|
|
ty = ty - 1 + shapeHeight;
|
|
}
|
|
|
|
if (flags & DSF_X_FLIPPED) {
|
|
SWAP(_dsOffscreenLeft, _dsOffscreenRight);
|
|
dst += (shpWidthScaled1 - 1);
|
|
}
|
|
|
|
dst += (320 * ty + x);
|
|
|
|
if (flags & DSF_SCALE) {
|
|
_dsOffscreenRight = 0;
|
|
_dsOffscreenScaleVal2 = _dsOffscreenLeft;
|
|
_dsOffscreenLeft <<= 8;
|
|
_dsOffscreenScaleVal1 = (_dsOffscreenLeft % _dsScaleW) * -1;
|
|
_dsOffscreenLeft /= _dsScaleW;
|
|
}
|
|
|
|
if (shapeHeight <= 0 || shpWidthScaled1 <= 0)
|
|
return;
|
|
|
|
if (pageNum == 0 || pageNum == 1)
|
|
addDirtyRect(x, y, shpWidthScaled1, shapeHeight);
|
|
clearOverlayRect(pageNum, x, y, shpWidthScaled1, shapeHeight);
|
|
|
|
uint8 *d = dst;
|
|
|
|
bool normalPlot = true;
|
|
while (true) {
|
|
while (!(scaleCounterV & 0xFF00)) {
|
|
scaleCounterV += _dsScaleH;
|
|
if (!(scaleCounterV & 0xFF00)) {
|
|
_dsTmpWidth = shapeWidth;
|
|
int cnt = shapeWidth;
|
|
(this->*_dsScaleSkip)(d, src, cnt);
|
|
}
|
|
}
|
|
|
|
const uint8 *b_src = src;
|
|
|
|
do {
|
|
src = b_src;
|
|
_dsTmpWidth = shapeWidth;
|
|
int cnt = _dsOffscreenLeft;
|
|
int scaleState = (this->*_dsProcessMargin)(d, src, cnt);
|
|
|
|
if (_dsTmpWidth) {
|
|
cnt += shpWidthScaled1;
|
|
if (cnt > 0) {
|
|
if (flags & 0x800)
|
|
normalPlot = (curY > _maskMinY && curY < _maskMaxY);
|
|
_dsPlot = normalPlot ? dsPlot2 : dsPlot3;
|
|
(this->*_dsProcessLine)(d, src, cnt, scaleState);
|
|
}
|
|
cnt += _dsOffscreenRight;
|
|
if (cnt)
|
|
(this->*_dsScaleSkip)(d, src, cnt);
|
|
}
|
|
dst += dsPitch;
|
|
d = dst;
|
|
++curY;
|
|
|
|
if (!--shapeHeight)
|
|
return;
|
|
|
|
scaleCounterV -= 0x100;
|
|
} while (scaleCounterV & 0xFF00);
|
|
}
|
|
|
|
va_end(args);
|
|
}
|
|
|
|
int Screen::drawShapeMarginNoScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt) {
|
|
while (cnt-- > 0) {
|
|
if (*src++)
|
|
continue;
|
|
cnt = cnt + 1 - (*src++);
|
|
}
|
|
|
|
cnt++;
|
|
dst -= cnt;
|
|
return 0;
|
|
}
|
|
|
|
int Screen::drawShapeMarginNoScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt) {
|
|
while (cnt-- > 0) {
|
|
if (*src++)
|
|
continue;
|
|
cnt = cnt + 1 - (*src++);
|
|
}
|
|
|
|
cnt++;
|
|
dst += cnt;
|
|
return 0;
|
|
}
|
|
|
|
int Screen::drawShapeMarginScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt) {
|
|
_dsTmpWidth -= cnt;
|
|
|
|
while (cnt > 0) {
|
|
--cnt;
|
|
if (*src++)
|
|
continue;
|
|
|
|
cnt = cnt + 1 - (*src++);
|
|
}
|
|
|
|
if (!cnt)
|
|
return _dsOffscreenScaleVal1;
|
|
|
|
_dsTmpWidth += cnt;
|
|
|
|
int i = (_dsOffscreenLeft - cnt) * _dsScaleW;
|
|
int res = i & 0xff;
|
|
i >>= 8;
|
|
i -= _dsOffscreenScaleVal2;
|
|
dst += i;
|
|
cnt = -i;
|
|
|
|
return res;
|
|
}
|
|
|
|
int Screen::drawShapeMarginScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt) {
|
|
_dsTmpWidth -= cnt;
|
|
|
|
while (cnt > 0) {
|
|
--cnt;
|
|
if (*src++)
|
|
continue;
|
|
|
|
cnt = cnt + 1 - (*src++);
|
|
}
|
|
|
|
if (!cnt)
|
|
return _dsOffscreenScaleVal1;
|
|
|
|
_dsTmpWidth += cnt;
|
|
|
|
int i = (_dsOffscreenLeft - cnt) * _dsScaleW;
|
|
int res = i & 0xff;
|
|
i >>= 8;
|
|
i -= _dsOffscreenScaleVal2;
|
|
dst -= i;
|
|
cnt = -i;
|
|
|
|
return res;
|
|
}
|
|
|
|
int Screen::drawShapeSkipScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt) {
|
|
cnt = _dsTmpWidth;
|
|
|
|
if (cnt <= 0)
|
|
return 0;
|
|
|
|
do {
|
|
--cnt;
|
|
if (*src++)
|
|
continue;
|
|
cnt = cnt + 1 - (*src++);
|
|
} while (cnt > 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int Screen::drawShapeSkipScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt) {
|
|
cnt = _dsTmpWidth;
|
|
bool found = false;
|
|
|
|
if (cnt == 0)
|
|
return 0;
|
|
|
|
do {
|
|
--cnt;
|
|
if (*src++)
|
|
continue;
|
|
found = true;
|
|
cnt = cnt + 1 - (*src++);
|
|
} while (cnt > 0);
|
|
|
|
return found ? 0 : _dsOffscreenScaleVal1;
|
|
}
|
|
|
|
void Screen::drawShapeProcessLineNoScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt, int16) {
|
|
do {
|
|
uint8 c = *src++;
|
|
if (c) {
|
|
uint8 *d = dst++;
|
|
(this->*_dsPlot)(d, c);
|
|
cnt--;
|
|
} else {
|
|
c = *src++;
|
|
dst += c;
|
|
cnt -= c;
|
|
}
|
|
} while (cnt > 0);
|
|
}
|
|
|
|
void Screen::drawShapeProcessLineNoScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt, int16) {
|
|
do {
|
|
uint8 c = *src++;
|
|
if (c) {
|
|
uint8 *d = dst--;
|
|
(this->*_dsPlot)(d, c);
|
|
cnt--;
|
|
} else {
|
|
c = *src++;
|
|
dst -= c;
|
|
cnt -= c;
|
|
}
|
|
} while (cnt > 0);
|
|
}
|
|
|
|
void Screen::drawShapeProcessLineScaleUpwind(uint8 *&dst, const uint8 *&src, int &cnt, int16 scaleState) {
|
|
int c = 0;
|
|
|
|
do {
|
|
if ((scaleState & 0x8000) || !(scaleState & 0xFF00)) {
|
|
c = *src++;
|
|
_dsTmpWidth--;
|
|
if (c) {
|
|
scaleState += _dsScaleW;
|
|
} else {
|
|
_dsTmpWidth++;
|
|
c = *src++;
|
|
_dsTmpWidth -= c;
|
|
int r = c * _dsScaleW + scaleState;
|
|
dst += (r >> 8);
|
|
cnt -= (r >> 8);
|
|
scaleState = r & 0xff;
|
|
}
|
|
} else if (scaleState) {
|
|
(this->*_dsPlot)(dst++, c);
|
|
scaleState -= 0x100;
|
|
cnt--;
|
|
}
|
|
} while (cnt > 0);
|
|
|
|
cnt = -1;
|
|
}
|
|
|
|
void Screen::drawShapeProcessLineScaleDownwind(uint8 *&dst, const uint8 *&src, int &cnt, int16 scaleState) {
|
|
int c = 0;
|
|
|
|
do {
|
|
if ((scaleState & 0x8000) || !(scaleState & 0xFF00)) {
|
|
c = *src++;
|
|
_dsTmpWidth--;
|
|
if (c) {
|
|
scaleState += _dsScaleW;
|
|
} else {
|
|
_dsTmpWidth++;
|
|
c = *src++;
|
|
_dsTmpWidth -= c;
|
|
int r = c * _dsScaleW + scaleState;
|
|
dst -= (r >> 8);
|
|
cnt -= (r >> 8);
|
|
scaleState = r & 0xff;
|
|
}
|
|
} else {
|
|
(this->*_dsPlot)(dst--, c);
|
|
scaleState -= 0x100;
|
|
cnt--;
|
|
}
|
|
} while (cnt > 0);
|
|
|
|
cnt = -1;
|
|
}
|
|
|
|
void Screen::drawShapePlotType0(uint8 *dst, uint8 cmd) {
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType1(uint8 *dst, uint8 cmd) {
|
|
for (int i = 0; i < _dsTableLoopCount; ++i)
|
|
cmd = _dsTable[cmd];
|
|
|
|
if (cmd)
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType3_7(uint8 *dst, uint8 cmd) {
|
|
cmd = *dst;
|
|
for (int i = 0; i < _dsTableLoopCount; ++i)
|
|
cmd = _dsTable[cmd];
|
|
|
|
if (cmd)
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType4(uint8 *dst, uint8 cmd) {
|
|
*dst = _dsTable2[cmd];
|
|
}
|
|
|
|
void Screen::drawShapePlotType5(uint8 *dst, uint8 cmd) {
|
|
cmd = _dsTable2[cmd];
|
|
for (int i = 0; i < _dsTableLoopCount; ++i)
|
|
cmd = _dsTable[cmd];
|
|
|
|
if (cmd)
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType6(uint8 *dst, uint8 cmd) {
|
|
int t = _drawShapeVar4 + _drawShapeVar5;
|
|
if (t & 0xff00) {
|
|
cmd = dst[_drawShapeVar3];
|
|
t &= 0xff;
|
|
} else {
|
|
cmd = _dsTable2[cmd];
|
|
}
|
|
|
|
_drawShapeVar4 = t;
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType8(uint8 *dst, uint8 cmd) {
|
|
uint32 relOffs = dst - _dsDstPage;
|
|
int t = (_shapePages[0][relOffs] & 0x7f) & 0x87;
|
|
if (_dsDrawLayer < t)
|
|
cmd = _shapePages[1][relOffs];
|
|
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType9(uint8 *dst, uint8 cmd) {
|
|
uint32 relOffs = dst - _dsDstPage;
|
|
int t = (_shapePages[0][relOffs] & 0x7f) & 0x87;
|
|
if (_dsDrawLayer < t) {
|
|
cmd = _shapePages[1][relOffs];
|
|
} else {
|
|
for (int i = 0; i < _dsTableLoopCount; ++i)
|
|
cmd = _dsTable[cmd];
|
|
}
|
|
|
|
if (cmd)
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType11_15(uint8 *dst, uint8 cmd) {
|
|
uint32 relOffs = dst - _dsDstPage;
|
|
int t = (_shapePages[0][relOffs] & 0x7f) & 0x87;
|
|
|
|
if (_dsDrawLayer < t) {
|
|
cmd = _shapePages[1][relOffs];
|
|
} else {
|
|
cmd = *dst;
|
|
for (int i = 0; i < _dsTableLoopCount; ++i)
|
|
cmd = _dsTable[cmd];
|
|
}
|
|
|
|
if (cmd)
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType12(uint8 *dst, uint8 cmd) {
|
|
uint32 relOffs = dst - _dsDstPage;
|
|
int t = (_shapePages[0][relOffs] & 0x7f) & 0x87;
|
|
if (_dsDrawLayer < t) {
|
|
cmd = _shapePages[1][relOffs];
|
|
} else {
|
|
cmd = _dsTable2[cmd];
|
|
}
|
|
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType13(uint8 *dst, uint8 cmd) {
|
|
uint32 relOffs = dst - _dsDstPage;
|
|
int t = (_shapePages[0][relOffs] & 0x7f) & 0x87;
|
|
if (_dsDrawLayer < t) {
|
|
cmd = _shapePages[1][relOffs];
|
|
} else {
|
|
cmd = _dsTable2[cmd];
|
|
for (int i = 0; i < _dsTableLoopCount; ++i)
|
|
cmd = _dsTable[cmd];
|
|
}
|
|
|
|
if (cmd)
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType14(uint8 *dst, uint8 cmd) {
|
|
uint32 relOffs = dst - _dsDstPage;
|
|
int t = (_shapePages[0][relOffs] & 0x7f) & 0x87;
|
|
if (_dsDrawLayer < t) {
|
|
cmd = _shapePages[1][relOffs];
|
|
} else {
|
|
t = _drawShapeVar4 + _drawShapeVar5;
|
|
if (t & 0xff00) {
|
|
cmd = dst[_drawShapeVar3];
|
|
t &= 0xff;
|
|
} else {
|
|
cmd = _dsTable2[cmd];
|
|
}
|
|
}
|
|
|
|
_drawShapeVar4 = t;
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType16(uint8 *dst, uint8 cmd) {
|
|
uint8 tOffs = _dsTable3[cmd];
|
|
if (!(tOffs & 0x80))
|
|
cmd = _dsTable4[tOffs << 8 | *dst];
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType20(uint8 *dst, uint8 cmd) {
|
|
cmd = _dsTable2[cmd];
|
|
uint8 tOffs = _dsTable3[cmd];
|
|
if (!(tOffs & 0x80))
|
|
cmd = _dsTable4[tOffs << 8 | *dst];
|
|
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType21(uint8 *dst, uint8 cmd) {
|
|
cmd = _dsTable2[cmd];
|
|
uint8 tOffs = _dsTable3[cmd];
|
|
if (!(tOffs & 0x80))
|
|
cmd = _dsTable4[tOffs << 8 | *dst];
|
|
|
|
for (int i = 0; i < _dsTableLoopCount; ++i)
|
|
cmd = _dsTable[cmd];
|
|
|
|
if (cmd)
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType33(uint8 *dst, uint8 cmd) {
|
|
if (cmd == 255) {
|
|
*dst = _dsTable5[*dst];
|
|
} else {
|
|
for (int i = 0; i < _dsTableLoopCount; ++i)
|
|
cmd = _dsTable[cmd];
|
|
if (cmd)
|
|
*dst = cmd;
|
|
}
|
|
}
|
|
|
|
void Screen::drawShapePlotType37(uint8 *dst, uint8 cmd) {
|
|
cmd = _dsTable2[cmd];
|
|
|
|
if (cmd == 255) {
|
|
cmd = _dsTable5[*dst];
|
|
} else {
|
|
for (int i = 0; i < _dsTableLoopCount; ++i)
|
|
cmd = _dsTable[cmd];
|
|
}
|
|
|
|
if (cmd)
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType48(uint8 *dst, uint8 cmd) {
|
|
uint8 offs = _dsTable3[cmd];
|
|
if (!(offs & 0x80))
|
|
cmd = _dsTable4[(offs << 8) | *dst];
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::drawShapePlotType52(uint8 *dst, uint8 cmd) {
|
|
cmd = _dsTable2[cmd];
|
|
uint8 offs = _dsTable3[cmd];
|
|
|
|
if (!(offs & 0x80))
|
|
cmd = _dsTable4[(offs << 8) | *dst];
|
|
|
|
*dst = cmd;
|
|
}
|
|
|
|
void Screen::decodeFrame3(const uint8 *src, uint8 *dst, uint32 size) {
|
|
const uint8 *dstEnd = dst + size;
|
|
while (dst < dstEnd) {
|
|
int8 code = *src++;
|
|
if (code == 0) {
|
|
uint16 sz = READ_BE_UINT16(src);
|
|
src += 2;
|
|
memset(dst, *src++, sz);
|
|
dst += sz;
|
|
} else if (code < 0) {
|
|
memset(dst, *src++, -code);
|
|
dst -= code;
|
|
} else {
|
|
memcpy(dst, src, code);
|
|
dst += code;
|
|
src += code;
|
|
}
|
|
}
|
|
}
|
|
|
|
uint Screen::decodeFrame4(const uint8 *src, uint8 *dst, uint32 dstSize) {
|
|
uint8 *dstOrig = dst;
|
|
uint8 *dstEnd = dst + dstSize;
|
|
while (1) {
|
|
int count = dstEnd - dst;
|
|
if (count == 0)
|
|
break;
|
|
|
|
uint8 code = *src++;
|
|
if (!(code & 0x80)) { // 8th bit isn't set
|
|
int len = MIN(count, (code >> 4) + 3); //upper half of code is the length
|
|
int offs = ((code & 0xF) << 8) | *src++; //lower half of code as byte 2 of offset.
|
|
const uint8 *dstOffs = dst - offs;
|
|
while (len--)
|
|
*dst++ = *dstOffs++;
|
|
} else if (code & 0x40) { // 7th bit is set
|
|
int len = (code & 0x3F) + 3;
|
|
if (code == 0xFE) {
|
|
len = READ_LE_UINT16(src); src += 2;
|
|
if (len > count)
|
|
len = count;
|
|
|
|
memset(dst, *src++, len); dst += len;
|
|
} else {
|
|
if (code == 0xFF) {
|
|
len = READ_LE_UINT16(src);
|
|
src += 2;
|
|
}
|
|
|
|
int offs = READ_LE_UINT16(src); src += 2;
|
|
if (len > count)
|
|
len = count;
|
|
|
|
const uint8 *dstOffs = dstOrig + offs;
|
|
while (len--)
|
|
*dst++ = *dstOffs++;
|
|
}
|
|
} else if (code != 0x80) { // not just the 8th bit set.
|
|
//Copy some bytes from source to dest.
|
|
int len = MIN(count, code & 0x3F);
|
|
while (len--)
|
|
*dst++ = *src++;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
return dst - dstOrig;
|
|
}
|
|
|
|
void Screen::decodeFrameDelta(uint8 *dst, const uint8 *src, bool noXor) {
|
|
if (noXor)
|
|
wrapped_decodeFrameDelta<true>(dst, src);
|
|
else
|
|
wrapped_decodeFrameDelta<false>(dst, src);
|
|
}
|
|
|
|
template <bool noXor>
|
|
void Screen::wrapped_decodeFrameDelta(uint8 *dst, const uint8 *src) {
|
|
while (1) {
|
|
uint8 code = *src++;
|
|
if (code == 0) {
|
|
uint8 len = *src++;
|
|
code = *src++;
|
|
while (len--) {
|
|
if (noXor)
|
|
*dst++ = code;
|
|
else
|
|
*dst++ ^= code;
|
|
}
|
|
} else if (code & 0x80) {
|
|
code -= 0x80;
|
|
if (code != 0) {
|
|
dst += code;
|
|
} else {
|
|
uint16 subcode = READ_LE_UINT16(src); src += 2;
|
|
if (subcode == 0) {
|
|
break;
|
|
} else if (subcode & 0x8000) {
|
|
subcode -= 0x8000;
|
|
if (subcode & 0x4000) {
|
|
uint16 len = subcode - 0x4000;
|
|
code = *src++;
|
|
while (len--) {
|
|
if (noXor)
|
|
*dst++ = code;
|
|
else
|
|
*dst++ ^= code;
|
|
}
|
|
} else {
|
|
while (subcode--) {
|
|
if (noXor)
|
|
*dst++ = *src++;
|
|
else
|
|
*dst++ ^= *src++;
|
|
}
|
|
}
|
|
} else {
|
|
dst += subcode;
|
|
}
|
|
}
|
|
} else {
|
|
while (code--) {
|
|
if (noXor)
|
|
*dst++ = *src++;
|
|
else
|
|
*dst++ ^= *src++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Screen::decodeFrameDeltaPage(uint8 *dst, const uint8 *src, int pitch, bool noXor) {
|
|
if (noXor)
|
|
wrapped_decodeFrameDeltaPage<true>(dst, src, pitch);
|
|
else
|
|
wrapped_decodeFrameDeltaPage<false>(dst, src, pitch);
|
|
}
|
|
|
|
void Screen::convertAmigaGfx(uint8 *data, int w, int h, int depth, bool wsa, int bytesPerPlane) {
|
|
const int planeWidth = (bytesPerPlane == -1) ? (w + 7) / 8 : bytesPerPlane;
|
|
const int planeSize = planeWidth * h;
|
|
const uint imageSize = planeSize * depth;
|
|
|
|
// Our static buffer which holds the plane data. We need this
|
|
// because the "data" pointer is both source and destination pointer.
|
|
// The buffer has enough space to fit the AMIGA MSC files, which are
|
|
// the biggest graphics files found in the AMIGA version.
|
|
static uint8 temp[40320];
|
|
assert(imageSize <= sizeof(temp));
|
|
|
|
// WSA files store their graphics data in a little different format, than
|
|
// the usual AMIGA graphics format used in BitMaps. Thus we need to do
|
|
// some special handling for them here. Means we convert them into
|
|
// the usual format.
|
|
//
|
|
// TODO: We might think of moving this conversion into the WSAMovieAmiga
|
|
// class.
|
|
if (wsa) {
|
|
const byte *src = data;
|
|
for (int y = 0; y < h; ++y) {
|
|
for (int x = 0; x < planeWidth; ++x)
|
|
for (int i = 0; i < depth; ++i)
|
|
temp[y * planeWidth + x + planeSize * i] = *src++;
|
|
}
|
|
} else {
|
|
memcpy(temp, data, imageSize);
|
|
}
|
|
|
|
for (int y = 0; y < h; ++y) {
|
|
for (int x = 0; x < w; ++x) {
|
|
const int bytePos = x / 8 + y * planeWidth;
|
|
const int bitPos = 7 - (x & 7); // x & 7 == x % 8
|
|
|
|
byte col = 0;
|
|
|
|
for (int i = 0; i < depth; ++i)
|
|
col |= ((temp[bytePos + planeSize * i] >> bitPos) & 1) << i;
|
|
|
|
*data++ = col;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Screen::convertAmigaMsc(uint8 *data) {
|
|
// MSC files are always 320x144, thus we can safely assume
|
|
// this to be correct. Also they contain 7 planes instead
|
|
// of the normal 5 planes, which is used in 32 color mode.
|
|
// The need for 7 planes can be explained, because the MSC
|
|
// files have 6 bits for the layer number (bits 1 to 6)
|
|
// and one bit for the "blocked" flag (bit 0), and every
|
|
// plane contains one bit per pixel.
|
|
convertAmigaGfx(data, 320, 144, 7);
|
|
|
|
// We need to do some post conversion, since
|
|
// the AMIGA MSC format is different from the DOS
|
|
// one we use internally for our code.That is even
|
|
// after converting it from the AMIGA plane based
|
|
// approach to one byte per pixel approach.
|
|
for (int i = 0; i < 320 * 144; ++i) {
|
|
// The lowest bit indicates, whether the position
|
|
// is walkable or not. If the bit is set, the
|
|
// position is walkable, elsewise it is blocked.
|
|
if (data[i] & 1)
|
|
data[i] &= 0xFE;
|
|
else
|
|
data[i] |= 0x80;
|
|
|
|
// The graphics layer for the pixel is saved
|
|
// in the following format:
|
|
// The highest bit set indicates the number of
|
|
// the graphics layer. We count the first
|
|
// bit as 0 here, thus we need to add one,
|
|
// to get the correct number.
|
|
//
|
|
// Funnily since the first bit (bit 0) is
|
|
// resevered for testing whether the position
|
|
// is walkable or not, there is no possibility
|
|
// for layer 1 to be present.
|
|
int layer = 0;
|
|
for (int k = 0; k < 7; ++k)
|
|
if (data[i] & (1 << k))
|
|
layer = k + 1;
|
|
|
|
data[i] &= 0x80;
|
|
data[i] |= layer;
|
|
}
|
|
}
|
|
|
|
template<bool noXor>
|
|
void Screen::wrapped_decodeFrameDeltaPage(uint8 *dst, const uint8 *src, int pitch) {
|
|
int count = 0;
|
|
uint8 *dstNext = dst;
|
|
while (1) {
|
|
uint8 code = *src++;
|
|
if (code == 0) {
|
|
uint8 len = *src++;
|
|
code = *src++;
|
|
while (len--) {
|
|
if (noXor)
|
|
*dst++ = code;
|
|
else
|
|
*dst++ ^= code;
|
|
|
|
if (++count == pitch) {
|
|
count = 0;
|
|
dstNext += SCREEN_W;
|
|
dst = dstNext;
|
|
}
|
|
}
|
|
} else if (code & 0x80) {
|
|
code -= 0x80;
|
|
if (code != 0) {
|
|
dst += code;
|
|
|
|
count += code;
|
|
while (count >= pitch) {
|
|
count -= pitch;
|
|
dstNext += SCREEN_W;
|
|
dst = dstNext + count;
|
|
}
|
|
} else {
|
|
uint16 subcode = READ_LE_UINT16(src); src += 2;
|
|
if (subcode == 0) {
|
|
break;
|
|
} else if (subcode & 0x8000) {
|
|
subcode -= 0x8000;
|
|
if (subcode & 0x4000) {
|
|
uint16 len = subcode - 0x4000;
|
|
code = *src++;
|
|
while (len--) {
|
|
if (noXor)
|
|
*dst++ = code;
|
|
else
|
|
*dst++ ^= code;
|
|
|
|
if (++count == pitch) {
|
|
count = 0;
|
|
dstNext += SCREEN_W;
|
|
dst = dstNext;
|
|
}
|
|
}
|
|
} else {
|
|
while (subcode--) {
|
|
if (noXor)
|
|
*dst++ = *src++;
|
|
else
|
|
*dst++ ^= *src++;
|
|
|
|
if (++count == pitch) {
|
|
count = 0;
|
|
dstNext += SCREEN_W;
|
|
dst = dstNext;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
dst += subcode;
|
|
|
|
count += subcode;
|
|
while (count >= pitch) {
|
|
count -= pitch;
|
|
dstNext += SCREEN_W;
|
|
dst = dstNext + count;
|
|
}
|
|
|
|
}
|
|
}
|
|
} else {
|
|
while (code--) {
|
|
if (noXor)
|
|
*dst++ = *src++;
|
|
else
|
|
*dst++ ^= *src++;
|
|
|
|
if (++count == pitch) {
|
|
count = 0;
|
|
dstNext += SCREEN_W;
|
|
dst = dstNext;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
uint8 *Screen::encodeShape(int x, int y, int w, int h, int flags) {
|
|
uint8 *srcPtr = &_pagePtrs[_curPage][y * SCREEN_W + x];
|
|
int16 shapeSize = 0;
|
|
uint8 *tmp = srcPtr;
|
|
int xpos = w;
|
|
|
|
for (int i = h; i > 0; --i) {
|
|
uint8 *start = tmp;
|
|
shapeSize += w;
|
|
xpos = w;
|
|
while (xpos) {
|
|
uint8 value = *tmp++;
|
|
--xpos;
|
|
|
|
if (!value) {
|
|
shapeSize += 2;
|
|
int16 curX = xpos;
|
|
bool skip = false;
|
|
|
|
while (xpos) {
|
|
value = *tmp++;
|
|
--xpos;
|
|
|
|
if (value) {
|
|
skip = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!skip)
|
|
++curX;
|
|
|
|
curX -= xpos;
|
|
shapeSize -= curX;
|
|
|
|
while (curX > 0xFF) {
|
|
curX -= 0xFF;
|
|
shapeSize += 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
tmp = start + SCREEN_W;
|
|
}
|
|
|
|
int16 shapeSize2 = shapeSize;
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
shapeSize += 12;
|
|
else
|
|
shapeSize += 10;
|
|
|
|
if (flags & 1)
|
|
shapeSize += 16;
|
|
|
|
uint8 table[274];
|
|
int tableIndex = 0;
|
|
|
|
uint8 *newShape = 0;
|
|
newShape = new uint8[shapeSize+16];
|
|
assert(newShape);
|
|
|
|
byte *dst = newShape;
|
|
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
dst += 2;
|
|
|
|
WRITE_LE_UINT16(dst, (flags & 3)); dst += 2;
|
|
*dst = h; dst += 1;
|
|
WRITE_LE_UINT16(dst, w); dst += 2;
|
|
*dst = h; dst += 1;
|
|
WRITE_LE_UINT16(dst, shapeSize); dst += 2;
|
|
WRITE_LE_UINT16(dst, shapeSize2); dst += 2;
|
|
|
|
byte *src = srcPtr;
|
|
if (flags & 1) {
|
|
dst += 16;
|
|
memset(table, 0, sizeof(table));
|
|
tableIndex = 1;
|
|
}
|
|
|
|
for (int ypos = h; ypos > 0; --ypos) {
|
|
uint8 *srcBackUp = src;
|
|
xpos = w;
|
|
while (xpos) {
|
|
uint8 value = *src++;
|
|
if (value) {
|
|
if (flags & 1) {
|
|
if (!table[value]) {
|
|
if (tableIndex == 16) {
|
|
value = 1;
|
|
} else {
|
|
table[0x100+tableIndex] = value;
|
|
table[value] = tableIndex;
|
|
++tableIndex;
|
|
value = table[value];
|
|
}
|
|
} else {
|
|
value = table[value];
|
|
}
|
|
}
|
|
--xpos;
|
|
*dst++ = value;
|
|
} else {
|
|
int16 temp = 1;
|
|
--xpos;
|
|
|
|
while (xpos) {
|
|
if (*src)
|
|
break;
|
|
++src;
|
|
++temp;
|
|
--xpos;
|
|
}
|
|
|
|
while (temp > 0xFF) {
|
|
*dst++ = 0;
|
|
*dst++ = 0xFF;
|
|
temp -= 0xFF;
|
|
}
|
|
|
|
if (temp & 0xFF) {
|
|
*dst++ = 0;
|
|
*dst++ = temp & 0xFF;
|
|
}
|
|
}
|
|
}
|
|
src = srcBackUp + SCREEN_W;
|
|
}
|
|
|
|
if (!(flags & 2)) {
|
|
if (shapeSize > _animBlockSize) {
|
|
dst = newShape;
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
dst += 2;
|
|
|
|
flags = READ_LE_UINT16(dst);
|
|
flags |= 2;
|
|
WRITE_LE_UINT16(dst, flags);
|
|
} else {
|
|
src = newShape;
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
src += 2;
|
|
if (flags & 1)
|
|
src += 16;
|
|
|
|
src += 10;
|
|
uint8 *shapePtrBackUp = src;
|
|
dst = _animBlockPtr;
|
|
memcpy(dst, src, shapeSize2);
|
|
|
|
int16 size = encodeShapeAndCalculateSize(_animBlockPtr, shapePtrBackUp, shapeSize2);
|
|
if (size > shapeSize2) {
|
|
shapeSize -= shapeSize2 - size;
|
|
uint8 *newShape2 = new uint8[shapeSize];
|
|
assert(newShape2);
|
|
memcpy(newShape2, newShape, shapeSize);
|
|
delete[] newShape;
|
|
newShape = newShape2;
|
|
} else {
|
|
dst = shapePtrBackUp;
|
|
src = _animBlockPtr;
|
|
memcpy(dst, src, shapeSize2);
|
|
dst = newShape;
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
dst += 2;
|
|
flags = READ_LE_UINT16(dst);
|
|
flags |= 2;
|
|
WRITE_LE_UINT16(dst, flags);
|
|
}
|
|
}
|
|
}
|
|
|
|
dst = newShape;
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
dst += 2;
|
|
WRITE_LE_UINT16((dst + 6), shapeSize);
|
|
|
|
if (flags & 1) {
|
|
dst = newShape + 10;
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
dst += 2;
|
|
src = &table[0x100];
|
|
memcpy(dst, src, sizeof(uint8)*16);
|
|
}
|
|
|
|
return newShape;
|
|
}
|
|
|
|
int16 Screen::encodeShapeAndCalculateSize(uint8 *from, uint8 *to, int size_to) {
|
|
byte *fromPtrEnd = from + size_to;
|
|
bool skipPixel = true;
|
|
byte *tempPtr = 0;
|
|
byte *toPtr = to;
|
|
byte *fromPtr = from;
|
|
byte *toPtr2 = to;
|
|
|
|
*to++ = 0x81;
|
|
*to++ = *from++;
|
|
|
|
while (from < fromPtrEnd) {
|
|
byte *curToPtr = to;
|
|
to = fromPtr;
|
|
int size = 1;
|
|
|
|
while (true) {
|
|
byte curPixel = *from;
|
|
if (curPixel == *(from+0x40)) {
|
|
byte *toBackUp = to;
|
|
to = from;
|
|
|
|
for (int i = 0; i < (fromPtrEnd - from); ++i) {
|
|
if (*to++ != curPixel)
|
|
break;
|
|
}
|
|
--to;
|
|
uint16 diffSize = (to - from);
|
|
if (diffSize >= 0x41) {
|
|
skipPixel = false;
|
|
from = to;
|
|
to = curToPtr;
|
|
*to++ = 0xFE;
|
|
WRITE_LE_UINT16(to, diffSize); to += 2;
|
|
*to++ = curPixel;
|
|
curToPtr = to;
|
|
to = toBackUp;
|
|
continue;
|
|
} else {
|
|
to = toBackUp;
|
|
}
|
|
}
|
|
|
|
bool breakLoop = false;
|
|
while (true) {
|
|
if ((from - to) == 0) {
|
|
breakLoop = true;
|
|
break;
|
|
}
|
|
for (int i = 0; i < (from - to); ++i) {
|
|
if (*to++ == curPixel)
|
|
break;
|
|
}
|
|
if (*(to-1) == curPixel) {
|
|
if (*(from+size-1) != *(to+size-2))
|
|
continue;
|
|
|
|
byte *fromBackUp = from;
|
|
byte *toBackUp = to;
|
|
--to;
|
|
const int checkSize = fromPtrEnd - from;
|
|
for (int i = 0; i < checkSize; ++i) {
|
|
if (*from++ != *to++)
|
|
break;
|
|
}
|
|
if (*(from - 1) == *(to - 1))
|
|
++to;
|
|
from = fromBackUp;
|
|
int temp = to - toBackUp;
|
|
to = toBackUp;
|
|
if (temp >= size) {
|
|
size = temp;
|
|
tempPtr = toBackUp - 1;
|
|
}
|
|
break;
|
|
} else {
|
|
breakLoop = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (breakLoop)
|
|
break;
|
|
}
|
|
|
|
to = curToPtr;
|
|
if (size > 2) {
|
|
uint16 word = 0;
|
|
if (size <= 0x0A) {
|
|
uint16 diffSize = from - tempPtr;
|
|
if (diffSize <= 0x0FFF) {
|
|
byte highByte = ((diffSize & 0xFF00) >> 8) + (((size & 0xFF) - 3) << 4);
|
|
word = ((diffSize & 0xFF) << 8) | highByte;
|
|
WRITE_LE_UINT16(to, word); to += 2;
|
|
from += size;
|
|
skipPixel = false;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (size > 0x40) {
|
|
*to++ = 0xFF;
|
|
WRITE_LE_UINT16(to, size); to += 2;
|
|
} else {
|
|
*to++ = ((size & 0xFF) - 3) | 0xC0;
|
|
}
|
|
|
|
word = tempPtr - fromPtr;
|
|
WRITE_LE_UINT16(to, word); to += 2;
|
|
from += size;
|
|
skipPixel = false;
|
|
} else {
|
|
if (!skipPixel) {
|
|
toPtr2 = to;
|
|
*to++ = 0x80;
|
|
}
|
|
|
|
if (*toPtr2 == 0xBF) {
|
|
toPtr2 = to;
|
|
*to++ = 0x80;
|
|
}
|
|
|
|
++(*toPtr2);
|
|
*to++ = *from++;
|
|
skipPixel = true;
|
|
}
|
|
}
|
|
*to++ = 0x80;
|
|
|
|
return (to - toPtr);
|
|
}
|
|
|
|
void Screen::hideMouse() {
|
|
++_mouseLockCount;
|
|
CursorMan.showMouse(false);
|
|
}
|
|
|
|
void Screen::showMouse() {
|
|
if (_mouseLockCount == 1) {
|
|
CursorMan.showMouse(true);
|
|
|
|
// We need to call OSystem::updateScreen here, else the mouse cursor
|
|
// will only be visible on mouse movment.
|
|
_system->updateScreen();
|
|
}
|
|
|
|
if (_mouseLockCount > 0)
|
|
_mouseLockCount--;
|
|
}
|
|
|
|
|
|
bool Screen::isMouseVisible() const {
|
|
return _mouseLockCount == 0;
|
|
}
|
|
|
|
void Screen::setShapePages(int page1, int page2, int minY, int maxY) {
|
|
_shapePages[0] = _pagePtrs[page1];
|
|
_shapePages[1] = _pagePtrs[page2];
|
|
_maskMinY = minY;
|
|
_maskMaxY = maxY;
|
|
}
|
|
|
|
void Screen::setMouseCursor(int x, int y, const byte *shape) {
|
|
if (!shape)
|
|
return;
|
|
// if mouseDisabled
|
|
// return _mouseShape
|
|
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
shape += 2;
|
|
|
|
int mouseHeight = *(shape + 2);
|
|
int mouseWidth = (READ_LE_UINT16(shape + 3)) + 2;
|
|
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
shape -= 2;
|
|
|
|
if (_vm->gameFlags().useHiResOverlay) {
|
|
x <<= 1;
|
|
y <<= 1;
|
|
mouseWidth <<= 1;
|
|
mouseHeight <<= 1;
|
|
}
|
|
|
|
|
|
uint8 *cursor = new uint8[mouseHeight * mouseWidth];
|
|
fillRect(0, 0, mouseWidth, mouseHeight, _cursorColorKey, 8);
|
|
drawShape(8, shape, 0, 0, 0, 0);
|
|
|
|
int xOffset = 0;
|
|
|
|
if (_vm->gameFlags().useHiResOverlay) {
|
|
xOffset = mouseWidth;
|
|
scale2x(getPagePtr(8) + mouseWidth, SCREEN_W, getPagePtr(8), SCREEN_W, mouseWidth, mouseHeight);
|
|
postProcessCursor(getPagePtr(8) + mouseWidth, mouseWidth, mouseHeight, SCREEN_W);
|
|
} else {
|
|
postProcessCursor(getPagePtr(8), mouseWidth, mouseHeight, SCREEN_W);
|
|
}
|
|
|
|
CursorMan.showMouse(false);
|
|
copyRegionToBuffer(8, xOffset, 0, mouseWidth, mouseHeight, cursor);
|
|
CursorMan.replaceCursor(cursor, mouseWidth, mouseHeight, x, y, _cursorColorKey);
|
|
if (isMouseVisible())
|
|
CursorMan.showMouse(true);
|
|
delete[] cursor;
|
|
|
|
// makes sure that the cursor is drawn
|
|
// we do not use Screen::updateScreen here
|
|
// so we can be sure that changes to page 0
|
|
// are NOT updated on the real screen here
|
|
_system->updateScreen();
|
|
}
|
|
|
|
Palette &Screen::getPalette(int num) {
|
|
assert(num >= 0 && (uint)num < _palettes.size());
|
|
return *_palettes[num];
|
|
}
|
|
|
|
void Screen::copyPalette(const int dst, const int src) {
|
|
getPalette(dst).copy(getPalette(src));
|
|
}
|
|
|
|
byte Screen::getShapeFlag1(int x, int y) {
|
|
uint8 color = _shapePages[0][y * SCREEN_W + x];
|
|
color &= 0x80;
|
|
color ^= 0x80;
|
|
|
|
if (color & 0x80)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
byte Screen::getShapeFlag2(int x, int y) {
|
|
uint8 color = _shapePages[0][y * SCREEN_W + x];
|
|
color &= 0x7F;
|
|
color &= 0x87;
|
|
return color;
|
|
}
|
|
|
|
int Screen::getDrawLayer(int x, int y) {
|
|
int xpos = x - 8;
|
|
int ypos = y - 1;
|
|
int layer = 1;
|
|
|
|
for (int curX = xpos; curX < xpos + 16; ++curX) {
|
|
int tempLayer = getShapeFlag2(curX, ypos);
|
|
|
|
if (layer < tempLayer)
|
|
layer = tempLayer;
|
|
|
|
if (layer >= 7)
|
|
return 7;
|
|
}
|
|
return layer;
|
|
}
|
|
|
|
int Screen::getDrawLayer2(int x, int y, int height) {
|
|
int xpos = x - 8;
|
|
int ypos = y - 1;
|
|
int layer = 1;
|
|
|
|
for (int useX = xpos; useX < xpos + 16; ++useX) {
|
|
for (int useY = ypos - height; useY < ypos; ++useY) {
|
|
int tempLayer = getShapeFlag2(useX, useY);
|
|
|
|
if (tempLayer > layer)
|
|
layer = tempLayer;
|
|
|
|
if (tempLayer >= 7)
|
|
return 7;
|
|
}
|
|
}
|
|
return layer;
|
|
}
|
|
|
|
|
|
int Screen::setNewShapeHeight(uint8 *shape, int height) {
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
shape += 2;
|
|
|
|
int oldHeight = shape[2];
|
|
shape[2] = height;
|
|
return oldHeight;
|
|
}
|
|
|
|
int Screen::resetShapeHeight(uint8 *shape) {
|
|
if (_vm->gameFlags().useAltShapeHeader)
|
|
shape += 2;
|
|
|
|
int oldHeight = shape[2];
|
|
shape[2] = shape[5];
|
|
return oldHeight;
|
|
}
|
|
|
|
void Screen::blockInRegion(int x, int y, int width, int height) {
|
|
assert(_shapePages[0]);
|
|
byte *toPtr = _shapePages[0] + (y * 320 + x);
|
|
for (int i = 0; i < height; ++i) {
|
|
byte *backUpTo = toPtr;
|
|
for (int i2 = 0; i2 < width; ++i2)
|
|
*toPtr++ &= 0x7F;
|
|
toPtr = (backUpTo + 320);
|
|
}
|
|
}
|
|
|
|
void Screen::blockOutRegion(int x, int y, int width, int height) {
|
|
assert(_shapePages[0]);
|
|
byte *toPtr = _shapePages[0] + (y * 320 + x);
|
|
for (int i = 0; i < height; ++i) {
|
|
byte *backUpTo = toPtr;
|
|
for (int i2 = 0; i2 < width; ++i2)
|
|
*toPtr++ |= 0x80;
|
|
toPtr = (backUpTo + 320);
|
|
}
|
|
}
|
|
|
|
void Screen::rectClip(int &x, int &y, int w, int h) {
|
|
if (x < 0)
|
|
x = 0;
|
|
else if (x + w >= 320)
|
|
x = 320 - w;
|
|
|
|
if (y < 0)
|
|
y = 0;
|
|
else if (y + h >= 200)
|
|
y = 200 - h;
|
|
}
|
|
|
|
void Screen::shakeScreen(int times) {
|
|
while (times--) {
|
|
// seems to be 1 line (320 pixels) offset in the original
|
|
// 4 looks more like dosbox though, maybe check this again
|
|
_system->setShakePos(4);
|
|
_system->updateScreen();
|
|
_system->setShakePos(0);
|
|
_system->updateScreen();
|
|
}
|
|
}
|
|
|
|
void Screen::loadBitmap(const char *filename, int tempPage, int dstPage, Palette *pal, bool skip) {
|
|
uint32 fileSize;
|
|
uint8 *srcData = _vm->resource()->fileData(filename, &fileSize);
|
|
|
|
if (!srcData) {
|
|
warning("couldn't load bitmap: '%s'", filename);
|
|
return;
|
|
}
|
|
|
|
if (skip)
|
|
srcData += 4;
|
|
|
|
const char *ext = filename + strlen(filename) - 3;
|
|
uint8 compType = srcData[2];
|
|
uint32 imgSize = scumm_stricmp(ext, "CMP") ? READ_LE_UINT32(srcData + 4) : READ_LE_UINT16(srcData);
|
|
uint16 palSize = READ_LE_UINT16(srcData + 8);
|
|
|
|
if (pal && palSize)
|
|
loadPalette(srcData + 10, *pal, palSize);
|
|
|
|
uint8 *srcPtr = srcData + 10 + palSize;
|
|
uint8 *dstData = getPagePtr(dstPage);
|
|
memset(dstData, 0, SCREEN_PAGE_SIZE);
|
|
if (dstPage == 0 || tempPage == 0)
|
|
_forceFullUpdate = true;
|
|
|
|
switch (compType) {
|
|
case 0:
|
|
memcpy(dstData, srcPtr, imgSize);
|
|
break;
|
|
case 3:
|
|
Screen::decodeFrame3(srcPtr, dstData, imgSize);
|
|
break;
|
|
case 4:
|
|
Screen::decodeFrame4(srcPtr, dstData, imgSize);
|
|
break;
|
|
default:
|
|
error("Unhandled bitmap compression %d", compType);
|
|
}
|
|
|
|
if (_isAmiga) {
|
|
if (!scumm_stricmp(ext, "MSC"))
|
|
Screen::convertAmigaMsc(dstData);
|
|
else
|
|
Screen::convertAmigaGfx(dstData, 320, 200);
|
|
}
|
|
|
|
if (skip)
|
|
srcData -= 4;
|
|
|
|
delete[] srcData;
|
|
}
|
|
|
|
bool Screen::loadPalette(const char *filename, Palette &pal) {
|
|
Common::SeekableReadStream *stream = _vm->resource()->createReadStream(filename);
|
|
|
|
if (!stream)
|
|
return false;
|
|
|
|
debugC(3, kDebugLevelScreen, "Screen::loadPalette('%s', %p)", filename, (const void *)&pal);
|
|
|
|
const int maxCols = pal.getNumColors();
|
|
int numCols = 0;
|
|
|
|
if (_isAmiga) {
|
|
numCols = stream->size() / Palette::kAmigaBytesPerColor;
|
|
pal.loadAmigaPalette(*stream, 0, MIN(maxCols, numCols));
|
|
} else if (_vm->gameFlags().platform == Common::kPlatformPC98 && _use16ColorMode) {
|
|
numCols = stream->size() / Palette::kPC98BytesPerColor;
|
|
pal.loadPC98Palette(*stream, 0, MIN(maxCols, numCols));
|
|
} else {
|
|
numCols = stream->size() / Palette::kVGABytesPerColor;
|
|
pal.loadVGAPalette(*stream, 0, MIN(maxCols, numCols));
|
|
}
|
|
|
|
if (numCols > maxCols)
|
|
warning("Palette file '%s' includes %d colors, but the target palette only support %d colors", filename, numCols, maxCols);
|
|
|
|
delete stream;
|
|
return true;
|
|
}
|
|
|
|
bool Screen::loadPaletteTable(const char *filename, int firstPalette) {
|
|
Common::SeekableReadStream *stream = _vm->resource()->createReadStream(filename);
|
|
|
|
if (!stream)
|
|
return false;
|
|
|
|
debugC(3, kDebugLevelScreen, "Screen::loadPaletteTable('%s', %d)", filename, firstPalette);
|
|
|
|
if (_isAmiga) {
|
|
const int numColors = getPalette(firstPalette).getNumColors();
|
|
const int palSize = getPalette(firstPalette).getNumColors() * Palette::kAmigaBytesPerColor;
|
|
const int numPals = stream->size() / palSize;
|
|
|
|
for (int i = 0; i < numPals; ++i)
|
|
getPalette(i + firstPalette).loadAmigaPalette(*stream, 0, numColors);
|
|
} else {
|
|
const int numColors = getPalette(firstPalette).getNumColors();
|
|
const int palSize = getPalette(firstPalette).getNumColors() * Palette::kVGABytesPerColor;
|
|
const int numPals = stream->size() / palSize;
|
|
|
|
for (int i = 0; i < numPals; ++i)
|
|
getPalette(i + firstPalette).loadVGAPalette(*stream, 0, numColors);
|
|
}
|
|
|
|
delete stream;
|
|
return true;
|
|
}
|
|
|
|
void Screen::loadPalette(const byte *data, Palette &pal, int bytes) {
|
|
Common::MemoryReadStream stream(data, bytes, DisposeAfterUse::NO);
|
|
|
|
if (_isAmiga)
|
|
pal.loadAmigaPalette(stream, 0, stream.size() / Palette::kAmigaBytesPerColor);
|
|
else if (_vm->gameFlags().platform == Common::kPlatformPC98 && _use16ColorMode)
|
|
pal.loadPC98Palette(stream, 0, stream.size() / Palette::kPC98BytesPerColor);
|
|
else
|
|
pal.loadVGAPalette(stream, 0, stream.size() / Palette::kVGABytesPerColor);
|
|
}
|
|
|
|
// dirty rect handling
|
|
|
|
void Screen::addDirtyRect(int x, int y, int w, int h) {
|
|
if (_dirtyRects.size() >= kMaxDirtyRects || _forceFullUpdate) {
|
|
_forceFullUpdate = true;
|
|
return;
|
|
}
|
|
|
|
Common::Rect r(x, y, x + w, y + h);
|
|
|
|
// Clip rectangle
|
|
r.clip(SCREEN_W, SCREEN_H);
|
|
|
|
// If it is empty after clipping, we are done
|
|
if (r.isEmpty())
|
|
return;
|
|
|
|
// Check if the new rectangle is contained within another in the list
|
|
Common::List<Common::Rect>::iterator it;
|
|
for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ) {
|
|
// If we find a rectangle which fully contains the new one,
|
|
// we can abort the search.
|
|
if (it->contains(r))
|
|
return;
|
|
|
|
// Conversely, if we find rectangles which are contained in
|
|
// the new one, we can remove them
|
|
if (r.contains(*it))
|
|
it = _dirtyRects.erase(it);
|
|
else
|
|
++it;
|
|
}
|
|
|
|
// If we got here, we can safely add r to the list of dirty rects.
|
|
_dirtyRects.push_back(r);
|
|
}
|
|
|
|
// overlay functions
|
|
|
|
byte *Screen::getOverlayPtr(int page) {
|
|
if (page == 0 || page == 1)
|
|
return _sjisOverlayPtrs[1];
|
|
else if (page == 2 || page == 3)
|
|
return _sjisOverlayPtrs[2];
|
|
|
|
if (_vm->game() == GI_KYRA2) {
|
|
if (page == 12 || page == 13)
|
|
return _sjisOverlayPtrs[3];
|
|
} else if (_vm->game() == GI_LOL) {
|
|
if (page == 4 || page == 5)
|
|
return _sjisOverlayPtrs[3];
|
|
if (page == 6 || page == 7)
|
|
return _sjisOverlayPtrs[4];
|
|
if (page == 12 || page == 13)
|
|
return _sjisOverlayPtrs[5];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void Screen::clearOverlayPage(int page) {
|
|
byte *dst = getOverlayPtr(page);
|
|
if (!dst)
|
|
return;
|
|
memset(dst, _sjisInvisibleColor, SCREEN_OVL_SJIS_SIZE);
|
|
}
|
|
|
|
void Screen::clearOverlayRect(int page, int x, int y, int w, int h) {
|
|
byte *dst = getOverlayPtr(page);
|
|
|
|
if (!dst || w < 0 || h < 0)
|
|
return;
|
|
|
|
x <<= 1; y <<= 1;
|
|
w <<= 1; h <<= 1;
|
|
|
|
dst += y * 640 + x;
|
|
|
|
if (w == 640 && h == 400) {
|
|
memset(dst, _sjisInvisibleColor, SCREEN_OVL_SJIS_SIZE);
|
|
} else {
|
|
while (h--) {
|
|
memset(dst, _sjisInvisibleColor, w);
|
|
dst += 640;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Screen::copyOverlayRegion(int x, int y, int x2, int y2, int w, int h, int srcPage, int dstPage) {
|
|
byte *dst = getOverlayPtr(dstPage);
|
|
const byte *src = getOverlayPtr(srcPage);
|
|
|
|
if (!dst || !src)
|
|
return;
|
|
|
|
x <<= 1; x2 <<= 1;
|
|
y <<= 1; y2 <<= 1;
|
|
w <<= 1; h <<= 1;
|
|
|
|
if (w == 640 && h == 400) {
|
|
memcpy(dst, src, SCREEN_OVL_SJIS_SIZE);
|
|
} else {
|
|
dst += y2 * 640 + x2;
|
|
src += y * 640 + x;
|
|
|
|
while (h--) {
|
|
for (x = 0; x < w; ++x)
|
|
memcpy(dst, src, w);
|
|
dst += 640;
|
|
src += 640;
|
|
}
|
|
}
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
DOSFont::DOSFont() {
|
|
_data = _widthTable = _heightTable = 0;
|
|
_colorMap = 0;
|
|
_width = _height = _numGlyphs = 0;
|
|
_bitmapOffsets = 0;
|
|
}
|
|
|
|
bool DOSFont::load(Common::SeekableReadStream &file) {
|
|
unload();
|
|
|
|
_data = new uint8[file.size()];
|
|
assert(_data);
|
|
|
|
file.read(_data, file.size());
|
|
if (file.err())
|
|
return false;
|
|
|
|
const uint16 fontSig = READ_LE_UINT16(_data + 2);
|
|
|
|
if (fontSig != 0x0500) {
|
|
warning("DOSFont: invalid font: %.04X)", fontSig);
|
|
return false;
|
|
}
|
|
|
|
const uint16 descOffset = READ_LE_UINT16(_data + 4);
|
|
|
|
_width = _data[descOffset + 5];
|
|
_height = _data[descOffset + 4];
|
|
_numGlyphs = _data[descOffset + 3] + 1;
|
|
|
|
_bitmapOffsets = (uint16 *)(_data + READ_LE_UINT16(_data + 6));
|
|
_widthTable = _data + READ_LE_UINT16(_data + 8);
|
|
_heightTable = _data + READ_LE_UINT16(_data + 12);
|
|
|
|
for (int i = 0; i < _numGlyphs; ++i)
|
|
_bitmapOffsets[i] = READ_LE_UINT16(&_bitmapOffsets[i]);
|
|
|
|
return true;
|
|
}
|
|
|
|
int DOSFont::getCharWidth(uint16 c) const {
|
|
if (c >= _numGlyphs)
|
|
return 0;
|
|
return _widthTable[c];
|
|
}
|
|
|
|
void DOSFont::drawChar(uint16 c, byte *dst, int pitch) const {
|
|
if (c >= _numGlyphs)
|
|
return;
|
|
|
|
if (!_bitmapOffsets[c])
|
|
return;
|
|
|
|
const uint8 *src = _data + _bitmapOffsets[c];
|
|
const uint8 charWidth = _widthTable[c];
|
|
|
|
if (!charWidth)
|
|
return;
|
|
|
|
pitch -= charWidth;
|
|
|
|
uint8 charH1 = _heightTable[c * 2 + 0];
|
|
uint8 charH2 = _heightTable[c * 2 + 1];
|
|
uint8 charH0 = _height - (charH1 + charH2);
|
|
|
|
while (charH1--) {
|
|
uint8 col = _colorMap[0];
|
|
for (int i = 0; i < charWidth; ++i) {
|
|
if (col != 0)
|
|
*dst = col;
|
|
++dst;
|
|
}
|
|
dst += pitch;
|
|
}
|
|
|
|
while (charH2--) {
|
|
uint8 b = 0;
|
|
for (int i = 0; i < charWidth; ++i) {
|
|
uint8 col;
|
|
if (i & 1) {
|
|
col = _colorMap[b >> 4];
|
|
} else {
|
|
b = *src++;
|
|
col = _colorMap[b & 0xF];
|
|
}
|
|
if (col != 0) {
|
|
*dst = col;
|
|
}
|
|
++dst;
|
|
}
|
|
dst += pitch;
|
|
}
|
|
|
|
while (charH0--) {
|
|
uint8 col = _colorMap[0];
|
|
for (int i = 0; i < charWidth; ++i) {
|
|
if (col != 0)
|
|
*dst = col;
|
|
++dst;
|
|
}
|
|
dst += pitch;
|
|
}
|
|
}
|
|
|
|
void DOSFont::unload() {
|
|
delete[] _data;
|
|
_data = _widthTable = _heightTable = 0;
|
|
_colorMap = 0;
|
|
_width = _height = _numGlyphs = 0;
|
|
_bitmapOffsets = 0;
|
|
}
|
|
|
|
|
|
AMIGAFont::AMIGAFont() {
|
|
_width = _height = 0;
|
|
memset(_chars, 0, sizeof(_chars));
|
|
}
|
|
|
|
bool AMIGAFont::load(Common::SeekableReadStream &file) {
|
|
const uint16 dataSize = file.readUint16BE();
|
|
if (dataSize + 2 != file.size())
|
|
return false;
|
|
|
|
_width = file.readByte();
|
|
_height = file.readByte();
|
|
|
|
// Read the character definition offset table
|
|
uint16 offsets[ARRAYSIZE(_chars)];
|
|
for (int i = 0; i < ARRAYSIZE(_chars); ++i)
|
|
offsets[i] = file.readUint16BE() + 4;
|
|
|
|
if (file.err())
|
|
return false;
|
|
|
|
for (int i = 0; i < ARRAYSIZE(_chars); ++i) {
|
|
file.seek(offsets[i], SEEK_SET);
|
|
|
|
_chars[i].yOffset = file.readByte();
|
|
_chars[i].xOffset = file.readByte();
|
|
_chars[i].width = file.readByte();
|
|
file.readByte(); // unused
|
|
|
|
// If the y offset is 255, then the character
|
|
// does not have any bitmap representation
|
|
if (_chars[i].yOffset != 255) {
|
|
Character::Graphics &g = _chars[i].graphics;
|
|
|
|
g.width = file.readUint16BE();
|
|
g.height = file.readUint16BE();
|
|
|
|
int depth = file.readByte();
|
|
int specialWidth = file.readByte();
|
|
int flags = file.readByte();
|
|
int bytesPerPlane = file.readByte();
|
|
|
|
assert(depth != 0 && specialWidth == 0 && flags == 0 && bytesPerPlane != 0);
|
|
|
|
// Allocate a temporary buffer to store the plane data
|
|
const int planesSize = bytesPerPlane * g.height * depth;
|
|
uint8 *tempData = new uint8[MAX(g.width * g.height, planesSize)];
|
|
assert(tempData);
|
|
|
|
file.read(tempData, planesSize);
|
|
|
|
// Convert the plane based graphics to our graphic format
|
|
Screen::convertAmigaGfx(tempData, g.width, g.height, depth, false, bytesPerPlane);
|
|
|
|
// Create a buffer perfectly fitting the character
|
|
g.bitmap = new uint8[g.width * g.height];
|
|
assert(g.bitmap);
|
|
|
|
memcpy(g.bitmap, tempData, g.width * g.height);
|
|
delete[] tempData;
|
|
}
|
|
|
|
if (file.err())
|
|
return false;
|
|
}
|
|
|
|
return !file.err();
|
|
}
|
|
|
|
int AMIGAFont::getCharWidth(uint16 c) const {
|
|
if (c >= 255)
|
|
return 0;
|
|
return _chars[c].width;
|
|
}
|
|
|
|
void AMIGAFont::drawChar(uint16 c, byte *dst, int pitch) const {
|
|
if (c >= 255)
|
|
return;
|
|
|
|
if (_chars[c].yOffset == 255)
|
|
return;
|
|
|
|
dst += _chars[c].yOffset * pitch;
|
|
dst += _chars[c].xOffset;
|
|
|
|
pitch -= _chars[c].graphics.width;
|
|
|
|
const uint8 *src = _chars[c].graphics.bitmap;
|
|
assert(src);
|
|
|
|
for (int y = 0; y < _chars[c].graphics.height; ++y) {
|
|
for (int x = 0; x < _chars[c].graphics.width; ++x) {
|
|
if (*src)
|
|
*dst = *src;
|
|
++src;
|
|
++dst;
|
|
}
|
|
|
|
dst += pitch;
|
|
}
|
|
}
|
|
|
|
void AMIGAFont::unload() {
|
|
_width = _height = 0;
|
|
for (int i = 0; i < ARRAYSIZE(_chars); ++i)
|
|
delete[] _chars[i].graphics.bitmap;
|
|
memset(_chars, 0, sizeof(_chars));
|
|
}
|
|
|
|
SJISFont::SJISFont(Screen *s, Graphics::FontSJIS *font, const uint8 invisColor, bool is16Color, bool outlineSize)
|
|
: _colorMap(0), _font(font), _invisColor(invisColor), _is16Color(is16Color), _screen(s) {
|
|
assert(_font);
|
|
|
|
_font->setDrawingMode(outlineSize ? Graphics::FontSJIS::kOutlineMode : Graphics::FontSJIS::kDefaultMode);
|
|
|
|
_sjisWidth = _font->getMaxFontWidth() >> 1;
|
|
_fontHeight = _font->getFontHeight() >> 1;
|
|
_asciiWidth = _font->getCharWidth('a') >> 1;
|
|
}
|
|
|
|
void SJISFont::unload() {
|
|
delete _font;
|
|
_font = 0;
|
|
}
|
|
|
|
int SJISFont::getHeight() const {
|
|
return _fontHeight;
|
|
}
|
|
|
|
int SJISFont::getWidth() const {
|
|
return _sjisWidth;
|
|
}
|
|
|
|
int SJISFont::getCharWidth(uint16 c) const {
|
|
if (c <= 0x7F || (c >= 0xA1 && c <= 0xDF))
|
|
return _asciiWidth;
|
|
else
|
|
return _sjisWidth;
|
|
}
|
|
|
|
void SJISFont::setColorMap(const uint8 *src) {
|
|
_colorMap = src;
|
|
|
|
if (!_is16Color) {
|
|
if (_colorMap[0] == _invisColor)
|
|
_font->setDrawingMode(Graphics::FontSJIS::kDefaultMode);
|
|
else
|
|
_font->setDrawingMode(Graphics::FontSJIS::kOutlineMode);
|
|
}
|
|
}
|
|
|
|
void SJISFont::drawChar(uint16 c, byte *dst, int pitch) const {
|
|
uint8 color1, color2;
|
|
|
|
if (_is16Color) {
|
|
// PC98 16 color games specify a color value which is for the
|
|
// PC98 text mode palette, thus we need to remap it.
|
|
color1 = ((_colorMap[1] >> 5) & 0x7) + 16;
|
|
color2 = ((_colorMap[0] >> 5) & 0x7) + 16;
|
|
} else {
|
|
color1 = _colorMap[1];
|
|
color2 = _colorMap[0];
|
|
}
|
|
|
|
_font->drawChar(dst, c, 640, 1, color1, color2, 640, 400);
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
Palette::Palette(const int numColors) : _palData(0), _numColors(numColors) {
|
|
_palData = new uint8[numColors * 3];
|
|
assert(_palData);
|
|
|
|
memset(_palData, 0, numColors * 3);
|
|
}
|
|
|
|
Palette::~Palette() {
|
|
delete[] _palData;
|
|
_palData = 0;
|
|
}
|
|
|
|
void Palette::loadVGAPalette(Common::ReadStream &stream, int startIndex, int colors) {
|
|
assert(startIndex + colors <= _numColors);
|
|
|
|
stream.read(_palData + startIndex * 3, colors * 3);
|
|
}
|
|
|
|
void Palette::loadAmigaPalette(Common::ReadStream &stream, int startIndex, int colors) {
|
|
assert(startIndex + colors <= _numColors);
|
|
|
|
for (int i = 0; i < colors; ++i) {
|
|
uint16 col = stream.readUint16BE();
|
|
_palData[(i + startIndex) * 3 + 2] = ((col & 0xF) * 0x3F) / 0xF; col >>= 4;
|
|
_palData[(i + startIndex) * 3 + 1] = ((col & 0xF) * 0x3F) / 0xF; col >>= 4;
|
|
_palData[(i + startIndex) * 3 + 0] = ((col & 0xF) * 0x3F) / 0xF; col >>= 4;
|
|
}
|
|
}
|
|
|
|
void Palette::loadPC98Palette(Common::ReadStream &stream, int startIndex, int colors) {
|
|
assert(startIndex + colors <= _numColors);
|
|
|
|
for (int i = 0; i < colors; ++i) {
|
|
const byte g = stream.readByte(), r = stream.readByte(), b = stream.readByte();
|
|
|
|
_palData[(i + startIndex) * 3 + 0] = ((r & 0xF) * 0x3F) / 0xF;
|
|
_palData[(i + startIndex) * 3 + 1] = ((g & 0xF) * 0x3F) / 0xF;
|
|
_palData[(i + startIndex) * 3 + 2] = ((b & 0xF) * 0x3F) / 0xF;
|
|
}
|
|
}
|
|
|
|
void Palette::clear() {
|
|
memset(_palData, 0, _numColors * 3);
|
|
}
|
|
|
|
void Palette::fill(int firstCol, int numCols, uint8 value) {
|
|
assert(firstCol >= 0 && firstCol + numCols <= _numColors);
|
|
|
|
memset(_palData + firstCol * 3, CLIP<int>(value, 0, 63), numCols * 3);
|
|
}
|
|
|
|
void Palette::copy(const Palette &source, int firstCol, int numCols, int dstStart) {
|
|
if (numCols == -1)
|
|
numCols = MIN(source.getNumColors(), _numColors) - firstCol;
|
|
if (dstStart == -1)
|
|
dstStart = firstCol;
|
|
|
|
assert(numCols >= 0 && numCols <= _numColors);
|
|
assert(firstCol >= 0 && firstCol <= source.getNumColors());
|
|
assert(dstStart >= 0 && dstStart + numCols <= _numColors);
|
|
|
|
memmove(_palData + dstStart * 3, source._palData + firstCol * 3, numCols * 3);
|
|
}
|
|
|
|
void Palette::copy(const uint8 *source, int firstCol, int numCols, int dstStart) {
|
|
if (dstStart == -1)
|
|
dstStart = firstCol;
|
|
|
|
assert(numCols >= 0 && numCols <= _numColors);
|
|
assert(firstCol >= 0);
|
|
assert(dstStart >= 0 && dstStart + numCols <= _numColors);
|
|
|
|
memmove(_palData + dstStart * 3, source + firstCol * 3, numCols * 3);
|
|
}
|
|
|
|
uint8 *Palette::fetchRealPalette() const {
|
|
uint8 *buffer = new uint8[_numColors * 3];
|
|
assert(buffer);
|
|
|
|
uint8 *dst = buffer;
|
|
const uint8 *palData = _palData;
|
|
|
|
for (int i = 0; i < _numColors; ++i) {
|
|
dst[0] = (palData[0] << 2) | (palData[0] & 3);
|
|
dst[1] = (palData[1] << 2) | (palData[1] & 3);
|
|
dst[2] = (palData[2] << 2) | (palData[2] & 3);
|
|
|
|
dst += 3;
|
|
palData += 3;
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
} // End of namespace Kyra
|