mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 18:02:05 +00:00
1782 lines
46 KiB
C++
1782 lines
46 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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#if !defined(ENABLE_EOB)
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#include "kyra/screen.h"
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#endif
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#ifdef ENABLE_EOB
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#include "kyra/eobcommon.h"
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#include "kyra/resource.h"
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#include "common/system.h"
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#include "graphics/cursorman.h"
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#include "graphics/palette.h"
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namespace Kyra {
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Screen_EoB::Screen_EoB(EoBCoreEngine *vm, OSystem *system) : Screen(vm, system, _screenDimTable, _screenDimTableCount) {
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_shapeFadeMode[0] = _shapeFadeMode[1] = 0;
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_shapeFadeInternal = 0;
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_fadeData = 0;
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_fadeDataIndex = 0;
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_dsX1 = _dsX2 = _dsY1 = _dsY2 = 0;
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_gfxX = _gfxY = 0;
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_gfxCol = 0;
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_dsTempPage = 0;
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_dsDiv = 0;
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_dsRem = 0;
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_dsScaleTrans = 0;
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_cgaScaleTable = 0;
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_gfxMaxY = 0;
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_egaDitheringTable = 0;
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_egaPixelValueTable = 0;
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_cgaMappingDefault = 0;
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_cgaDitheringTables[0] = _cgaDitheringTables[1] = 0;
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_useLoResEGA = _useHiResEGADithering = false;
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}
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Screen_EoB::~Screen_EoB() {
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delete[] _fadeData;
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delete[] _dsTempPage;
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delete[] _cgaScaleTable;
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delete[] _egaDitheringTable;
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delete[] _egaPixelValueTable;
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delete[] _cgaDitheringTables[0];
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delete[] _cgaDitheringTables[1];
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}
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bool Screen_EoB::init() {
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// Define hi-res pages for EGA mode in EOB II
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if (_vm->gameFlags().useHiRes) {
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for (int i = 0; i < 8; i++)
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_pageScaleFactor[i] = 2;
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}
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if (Screen::init()) {
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int temp;
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_gfxMaxY = _vm->staticres()->loadRawData(kEoBBaseExpObjectY, temp);
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if (_renderMode != Common::kRenderCGA && _renderMode != Common::kRenderEGA)
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_fadeData = _vm->resource()->fileData("FADING.DAT", 0);
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if (!_fadeData) {
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_fadeData = new uint8[0x700];
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memset(_fadeData, 0, 0x700);
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if (_renderMode != Common::kRenderCGA && _renderMode != Common::kRenderEGA) {
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uint8 *pal = _vm->resource()->fileData("PALETTE1.PAL", 0);
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for (int i = 0; i < 7; i++)
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createFadeTable(pal, &_fadeData[i << 8], 18, (i + 1) * 36);
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delete[] pal;
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}
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}
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_dsTempPage = new uint8[12000];
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if (_vm->gameFlags().useHiRes && _renderMode == Common::kRenderEGA) {
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_useHiResEGADithering = true;
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_egaDitheringTable = new uint8[256];
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_egaPixelValueTable = new uint8[256];
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for (int i = 0; i < 256; i++) {
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_egaDitheringTable[i] = i & 0x0f;
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_egaPixelValueTable[i] = i & 0x0f;
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}
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} else if (_renderMode == Common::kRenderEGA) {
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_useLoResEGA = true;
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} else if (_renderMode == Common::kRenderCGA) {
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_cgaMappingDefault = _vm->staticres()->loadRawData(kEoB1CgaMappingDefault, temp);
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_cgaDitheringTables[0] = new uint16[256];
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memset(_cgaDitheringTables[0], 0, 256 * sizeof(uint16));
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_cgaDitheringTables[1] = new uint16[256];
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memset(_cgaDitheringTables[1], 0, 256 * sizeof(uint16));
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_cgaScaleTable = new uint8[256];
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memset(_cgaScaleTable, 0, 256 * sizeof(uint8));
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for (int i = 0; i < 256; i++)
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_cgaScaleTable[i] = ((i & 0xf0) >> 2) | (i & 0x03);
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}
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return true;
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}
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return false;
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}
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void Screen_EoB::setClearScreenDim(int dim) {
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setScreenDim(dim);
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clearCurDim();
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}
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void Screen_EoB::clearCurDim() {
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fillRect(_curDim->sx << 3, _curDim->sy, ((_curDim->sx + _curDim->w) << 3) - 1, (_curDim->sy + _curDim->h) - 1, _curDim->unkA);
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}
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void Screen_EoB::setMouseCursor(int x, int y, const byte *shape) {
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setMouseCursor(x, y, shape, 0);
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}
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void Screen_EoB::setMouseCursor(int x, int y, const byte *shape, const uint8 *ovl) {
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if (!shape)
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return;
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int mouseW = (shape[2] << 3);
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int mouseH = (shape[3]);
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int colorKey = (_renderMode == Common::kRenderCGA) ? 0 : _cursorColorKey;
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uint8 *cursor = new uint8[mouseW * _pageScaleFactor[6] * mouseH * _pageScaleFactor[6]];
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// We use memset and copyBlockToPage instead of fillRect to make sure that the
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// color key 0xFF doesn't get converted into EGA color
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memset(cursor, colorKey, mouseW * _pageScaleFactor[6] * mouseH * _pageScaleFactor[6]);
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copyBlockToPage(6, 0, 0, mouseW, mouseH, cursor);
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drawShape(6, shape, 0, 0, 0, 2, ovl);
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CursorMan.showMouse(false);
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copyRegionToBuffer(6, 0, 0, mouseW, mouseH, cursor);
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// Mouse cursor post processing for CGA mode. Unlike the original (which uses drawShape for the mouse cursor)
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// the cursor manager cannot know whether a pixel value of 0 is supposed to be black or transparent. Thus, we
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// go over the transparency mask again and turn the black pixels to color 4.
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if (_renderMode == Common::kRenderCGA) {
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const uint8 *maskTbl = shape + 4 + ((mouseW * mouseH) >> 2);
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uint8 *dst = cursor;
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uint8 trans = 0;
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uint8 shift = 6;
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uint16 mH = mouseH;
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while (mH--) {
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uint16 mW = mouseW;
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while (mW--) {
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if (shift == 6)
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trans = *maskTbl++;
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if (!*dst && !((trans >> shift) & 3))
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*dst = 4;
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dst++;
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shift = (shift - 2) & 7;
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}
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}
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}
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CursorMan.replaceCursor(cursor, mouseW * _pageScaleFactor[6], mouseH * _pageScaleFactor[6], x, y, colorKey);
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if (isMouseVisible())
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CursorMan.showMouse(true);
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delete[] cursor;
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// makes sure that the cursor is drawn
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// we do not use Screen::updateScreen here
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// so we can be sure that changes to page 0
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// are NOT updated on the real screen here
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_system->updateScreen();
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}
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void Screen_EoB::loadFileDataToPage(Common::SeekableReadStream *s, int pageNum, uint32 size) {
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s->read(_pagePtrs[pageNum], size);
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}
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void Screen_EoB::printText(const char *str, int x, int y, uint8 color1, uint8 color2) {
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if (_useHiResEGADithering) {
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// This is sort of an abuse of the text color map. But since EOB doesn't use it anyway
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// and the font drawing code needs access to both the original color values and the
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// EGA dithering colors we pass them on like this.
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uint8 cmap[2];
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cmap[0] = _egaDitheringTable[color2];
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cmap[1] = _egaDitheringTable[color1];
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setTextColor(cmap, 2, 3);
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}
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Screen::printText(str, x, y, color1, color2);
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}
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void Screen_EoB::printShadedText(const char *string, int x, int y, int col1, int col2) {
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printText(string, x - 1, y, 12, col2);
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printText(string, x, y + 1, 12, 0);
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printText(string, x - 1, y + 1, 12, 0);
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printText(string, x, y, col1, 0);
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}
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void Screen_EoB::loadShapeSetBitmap(const char *file, int tempPage, int destPage) {
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loadEoBBitmap(file, _cgaMappingDefault, tempPage, destPage, -1);
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_curPage = 2;
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}
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void Screen_EoB::loadEoBBitmap(const char *file, const uint8 *cgaMapping, int tempPage, int destPage, int convertToPage) {
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const char *filePattern = (_vm->game() == GI_EOB1 && (_renderMode == Common::kRenderEGA || _renderMode == Common::kRenderCGA)) ? "%s.EGA" : "%s.CPS";
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Common::String tmp = Common::String::format(filePattern, file);
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Common::SeekableReadStream *s = _vm->resource()->createReadStream(tmp);
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bool loadAlternative = false;
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if (s) {
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// This additional check is necessary since some localized versions of EOB II seem to contain invalid (size zero) cps files
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if (s->size())
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loadBitmap(tmp.c_str(), tempPage, destPage, 0);
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else
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loadAlternative = true;
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delete s;
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} else {
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loadAlternative = true;
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}
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if (loadAlternative) {
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if (_vm->game() == GI_EOB1) {
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tmp.insertChar('1', tmp.size() - 4);
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loadBitmap(tmp.c_str(), tempPage, destPage, 0);
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} else {
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tmp.setChar('X', 0);
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s = _vm->resource()->createReadStream(tmp);
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if (!s)
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error("Screen_EoB::loadEoBBitmap(): Failed to load file '%s'", file);
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s->seek(768);
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loadFileDataToPage(s, destPage, 64000);
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delete s;
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}
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}
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if (convertToPage == -1) {
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return;
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} else if (convertToPage == 2 && _renderMode == Common::kRenderCGA) {
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convertPage(destPage, 4, cgaMapping);
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copyRegion(0, 0, 0, 0, 320, 200, 4, 2, Screen::CR_NO_P_CHECK);
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} else if (convertToPage == 0) {
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convertPage(destPage, 2, cgaMapping);
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copyRegion(0, 0, 0, 0, 320, 200, 2, 0, Screen::CR_NO_P_CHECK);
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} else {
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convertPage(destPage, convertToPage, cgaMapping);
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}
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}
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void Screen_EoB::convertPage(int srcPage, int dstPage, const uint8 *cgaMapping) {
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uint8 *src = getPagePtr(srcPage);
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uint8 *dst = getPagePtr(dstPage);
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if (src == dst)
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return;
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if (_renderMode == Common::kRenderCGA) {
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if (cgaMapping)
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generateCGADitheringTables(cgaMapping);
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uint16 *d = (uint16*)dst;
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uint8 tblSwitch = 0;
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for (int height = SCREEN_H; height; height--) {
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const uint16 *table = _cgaDitheringTables[(tblSwitch++) & 1];
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for (int width = SCREEN_W / 2; width; width--) {
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WRITE_LE_UINT16(d++, table[((src[1] & 0x0f) << 4) | (src[0] & 0x0f)]);
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src += 2;
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}
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}
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} else if (_useHiResEGADithering) {
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for (int height = SCREEN_H; height; height--) {
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uint8 *dst2 = dst + SCREEN_W * 2;
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for (int width = SCREEN_W; width; width--) {
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uint8 in = _egaDitheringTable[*src++];
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*dst++ = *dst2++ = in >> 4;
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*dst++ = *dst2++ = in & 0x0f;
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}
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dst += (SCREEN_W * 2);
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}
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} else if (_renderMode == Common::kRenderEGA) {
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uint32 len = SCREEN_W * SCREEN_H;
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while (len--)
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*dst++ = *src++ & 0x0f;
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} else {
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copyPage(srcPage, dstPage);
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}
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if (dstPage == 0 || dstPage == 1)
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_forceFullUpdate = true;
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}
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void Screen_EoB::fillRect(int x1, int y1, int x2, int y2, uint8 color, int pageNum, bool xored) {
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if (!_useHiResEGADithering) {
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Screen::fillRect(x1, y1, x2, y2, color, pageNum, xored);
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return;
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}
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assert(x2 < SCREEN_W && y2 < SCREEN_H);
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if (pageNum == -1)
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pageNum = _curPage;
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uint16 pitch = (SCREEN_W - (x2 - x1 + 1)) * _pageScaleFactor[pageNum];
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uint8 col1 = (_egaDitheringTable[color] >> 4);
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uint8 col2 = (_egaDitheringTable[color] & 0x0f);
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x1 *= _pageScaleFactor[pageNum];
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y1 *= _pageScaleFactor[pageNum];
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x2 *= _pageScaleFactor[pageNum];
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y2 *= _pageScaleFactor[pageNum];
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uint16 w = x2 - x1 + _pageScaleFactor[pageNum];
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uint16 h = y2 - y1 + _pageScaleFactor[pageNum];
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uint8 *dst = getPagePtr(pageNum) + y1 * SCREEN_W * _pageScaleFactor[pageNum] + x1;
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if (pageNum == 0 || pageNum == 1)
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addDirtyRect(x1, y1, w, h);
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while (h--) {
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for (uint16 w1 = w; w1; w1 -= 2) {
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*dst++ = col1;
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*dst++ = col2;
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}
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dst += pitch;
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}
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}
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void Screen_EoB::drawLine(bool vertical, int x, int y, int length, int color) {
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if (!_useHiResEGADithering) {
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Screen::drawLine(vertical, x, y, length, color);
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return;
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}
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uint16 pitch = (SCREEN_W - 1) * _pageScaleFactor[_curPage];
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uint8 col1 = (_egaDitheringTable[color] >> 4);
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uint8 col2 = (_egaDitheringTable[color] & 0x0f);
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x *= _pageScaleFactor[_curPage];
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y *= _pageScaleFactor[_curPage];
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length *= _pageScaleFactor[_curPage];
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uint8 *ptr = getPagePtr(_curPage) + y * SCREEN_W * _pageScaleFactor[_curPage] + x;
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uint8 *ptr2 = ptr + SCREEN_W * _pageScaleFactor[_curPage];
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if (vertical) {
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assert((y + length) <= SCREEN_H * _pageScaleFactor[_curPage]);
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int currLine = 0;
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while (currLine < length) {
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*ptr++ = col1;
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*ptr++ = col2;
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ptr += pitch;
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currLine++;
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}
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} else {
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assert((x + length) <= SCREEN_W * _pageScaleFactor[_curPage]);
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int currLine = 0;
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while (currLine < length) {
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*ptr++ = *ptr2++ = col1;
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*ptr++ = *ptr2++ = col2;
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currLine += 2;
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}
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}
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if (_curPage == 0 || _curPage == 1)
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addDirtyRect(x, y, (vertical) ? _pageScaleFactor[_curPage] : length, (vertical) ? length : _pageScaleFactor[_curPage]);
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}
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uint8 Screen_EoB::getPagePixel(int pageNum, int x, int y) {
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if (!_useHiResEGADithering)
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return Screen::getPagePixel(pageNum, x, y);
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x *= _pageScaleFactor[_curPage];
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y *= _pageScaleFactor[_curPage];
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uint8 *pos = &_pagePtrs[pageNum][y * SCREEN_W * _pageScaleFactor[_curPage] + x];
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return _egaPixelValueTable[(pos[0] << 4) | (pos[1] & 0x0f)];
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}
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void Screen_EoB::setPagePixel(int pageNum, int x, int y, uint8 color) {
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if (!_useHiResEGADithering) {
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Screen::setPagePixel(pageNum, x, y, color);
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return;
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}
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assert(pageNum < SCREEN_PAGE_NUM);
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assert(x >= 0 && x < SCREEN_W && y >= 0 && y < SCREEN_H);
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x *= _pageScaleFactor[_curPage];
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y *= _pageScaleFactor[_curPage];
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if (pageNum == 0 || pageNum == 1)
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addDirtyRect(x, y, _pageScaleFactor[pageNum], _pageScaleFactor[pageNum]);
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uint8 *pos = &_pagePtrs[pageNum][y * SCREEN_W * _pageScaleFactor[_curPage] + x];
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uint8 *pos2 = pos + SCREEN_W * _pageScaleFactor[_curPage];
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pos[0] = pos2[0] = _egaDitheringTable[color] >> 4;
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pos[1] = pos2[1] = _egaDitheringTable[color] & 0x0f;
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}
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void Screen_EoB::setScreenPalette(const Palette &pal) {
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if (_useHiResEGADithering && pal.getNumColors() != 16) {
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generateEGADitheringTable(pal);
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} else if (_renderMode == Common::kRenderEGA && pal.getNumColors() == 16) {
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_screenPalette->copy(pal);
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_system->getPaletteManager()->setPalette(_screenPalette->getData(), 0, _screenPalette->getNumColors());
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} else if (_renderMode != Common::kRenderCGA && _renderMode != Common::kRenderEGA) {
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Screen::setScreenPalette(pal);
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}
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}
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void Screen_EoB::getRealPalette(int num, uint8 *dst) {
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if (_renderMode == Common::kRenderCGA || _renderMode == Common::kRenderEGA) {
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const uint8 *pal = _screenPalette->getData();
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for (int i = 0; i < 16; ++i) {
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dst[0] = (pal[0] << 2) | (pal[0] & 3);
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dst[1] = (pal[1] << 2) | (pal[1] & 3);
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dst[2] = (pal[2] << 2) | (pal[2] & 3);
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dst += 3;
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pal += 3;
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}
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} else {
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Screen::getRealPalette(num, dst);
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}
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}
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|
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uint8 *Screen_EoB::encodeShape(uint16 x, uint16 y, uint16 w, uint16 h, bool encode8bit, const uint8 *cgaMapping) {
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uint8 *shp = 0;
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uint16 shapesize = 0;
|
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|
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uint8 *srcLineStart = getPagePtr(_curPage | 1) + y * 320 + (x << 3);
|
||
uint8 *src = srcLineStart;
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||
|
||
if (_useLoResEGA)
|
||
encode8bit = false;
|
||
|
||
if (_renderMode == Common::kRenderCGA) {
|
||
if (cgaMapping)
|
||
generateCGADitheringTables(cgaMapping);
|
||
shapesize = h * (w << 2) + 4;
|
||
shp = new uint8[shapesize];
|
||
memset(shp, 0, shapesize);
|
||
uint8 *dst = shp;
|
||
|
||
*dst++ = 4;
|
||
*dst++ = (h & 0xff);
|
||
*dst++ = (w & 0xff);
|
||
*dst++ = (h & 0xff);
|
||
|
||
uint8 *dst2 = dst + (h * (w << 1));
|
||
|
||
uint8 tblSwitch = 0;
|
||
uint16 h1 = h;
|
||
while (h1--) {
|
||
uint16 w1 = w << 1;
|
||
const uint16 *table = _cgaDitheringTables[(tblSwitch++) & 1];
|
||
|
||
while (w1--) {
|
||
uint16 p0 = table[((src[1] & 0x0f) << 4) | (src[0] & 0x0f)];
|
||
uint16 p1 = table[((src[3] & 0x0f) << 4) | (src[2] & 0x0f)];
|
||
|
||
*dst++ = ((p0 & 0x0003) << 6) | ((p0 & 0x0300) >> 4) | ((p1 & 0x0003) << 2) | ((p1 & 0x0300) >> 8);
|
||
|
||
uint8 msk = 0;
|
||
for (int i = 0; i < 4; i++) {
|
||
if (!src[3 - i])
|
||
msk |= (3 << (i << 1));
|
||
}
|
||
*dst2++ = msk;
|
||
src += 4;
|
||
}
|
||
srcLineStart += SCREEN_W;
|
||
src = srcLineStart;
|
||
}
|
||
|
||
} else if (encode8bit) {
|
||
uint16 h1 = h;
|
||
while (h1--) {
|
||
uint8 *lineEnd = src + (w << 3);
|
||
do {
|
||
if (!*src++) {
|
||
shapesize++;
|
||
uint8 *startZeroPos = src;
|
||
while (src != lineEnd && *src == 0)
|
||
src++;
|
||
|
||
uint16 numZero = src - startZeroPos + 1;
|
||
if (numZero >> 8)
|
||
shapesize += 2;
|
||
}
|
||
shapesize++;
|
||
} while (src != lineEnd);
|
||
|
||
srcLineStart += SCREEN_W;
|
||
src = srcLineStart;
|
||
}
|
||
|
||
shapesize += 4;
|
||
|
||
shp = new uint8[shapesize];
|
||
memset(shp, 0, shapesize);
|
||
uint8 *dst = shp;
|
||
|
||
*dst++ = 8;
|
||
*dst++ = (h & 0xff);
|
||
*dst++ = (w & 0xff);
|
||
*dst++ = (h & 0xff);
|
||
|
||
srcLineStart = getPagePtr(_curPage | 1) + y * 320 + (x << 3);
|
||
src = srcLineStart;
|
||
|
||
h1 = h;
|
||
while (h1--) {
|
||
uint8 *lineEnd = src + (w << 3);
|
||
do {
|
||
uint8 val = *src++;
|
||
if (!val) {
|
||
*dst++ = 0;
|
||
uint8 *startZeroPos = src;
|
||
|
||
while (src != lineEnd && *src == 0)
|
||
src++;
|
||
|
||
uint16 numZero = src - startZeroPos + 1;
|
||
if (numZero >> 8) {
|
||
*dst++ = 255;
|
||
*dst++ = 0;
|
||
numZero -= 255;
|
||
}
|
||
val = numZero & 0xff;
|
||
}
|
||
*dst++ = val;
|
||
} while (src != lineEnd);
|
||
|
||
srcLineStart += SCREEN_W;
|
||
src = srcLineStart;
|
||
}
|
||
|
||
} else {
|
||
uint8 nib = 0, col = 0;
|
||
uint8 *colorMap = 0;
|
||
|
||
if (_renderMode != Common::kRenderEGA || _useHiResEGADithering) {
|
||
colorMap = new uint8[0x100];
|
||
memset(colorMap, 0xff, 0x100);
|
||
}
|
||
|
||
shapesize = h * (w << 2) + 20;
|
||
shp = new uint8[shapesize];
|
||
memset(shp, 0, shapesize);
|
||
uint8 *dst = shp;
|
||
|
||
*dst++ = 2;
|
||
*dst++ = (h & 0xff);
|
||
*dst++ = (w & 0xff);
|
||
*dst++ = (h & 0xff);
|
||
|
||
if (_useLoResEGA) {
|
||
for (int i = 0; i < 16; i++)
|
||
dst[i] = i;
|
||
} else {
|
||
memset(dst, 0xff, 0x10);
|
||
}
|
||
|
||
uint8 *pal = dst;
|
||
dst += 16;
|
||
nib = col = 0;
|
||
|
||
uint16 h1 = h;
|
||
while (h1--) {
|
||
uint16 w1 = w << 3;
|
||
while (w1--) {
|
||
uint8 s = *src++;
|
||
uint8 c = s & 0x0f;
|
||
if (colorMap) {
|
||
c = colorMap[s];
|
||
if (c == 0xff) {
|
||
if (col < 0x10) {
|
||
*pal++ = s;
|
||
c = colorMap[s] = col++;
|
||
if (!col)
|
||
c = 0;
|
||
} else {
|
||
c = 0;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (++nib & 1)
|
||
*dst = c << 4;
|
||
else
|
||
*dst++ |= c;
|
||
}
|
||
srcLineStart += SCREEN_W;
|
||
src = srcLineStart;
|
||
}
|
||
delete [] colorMap;
|
||
}
|
||
|
||
return shp;
|
||
}
|
||
|
||
void Screen_EoB::drawShape(uint8 pageNum, const uint8 *shapeData, int x, int y, int sd, int flags, ...) {
|
||
uint8 *dst = getPagePtr(pageNum);
|
||
const uint8 *src = shapeData;
|
||
|
||
if (!src)
|
||
return;
|
||
|
||
va_list args;
|
||
va_start(args, flags);
|
||
uint8 *ovl = (flags & 2) ? va_arg(args, uint8 *) : 0;
|
||
va_end(args);
|
||
|
||
if (sd != -1) {
|
||
const ScreenDim *dm = getScreenDim(sd);
|
||
setShapeFrame(dm->sx, dm->sy, dm->sx + dm->w, dm->sy + dm->h);
|
||
x += (_dsX1 << 3);
|
||
y += _dsY1;
|
||
}
|
||
|
||
dst += (_dsX1 << 3) * _pageScaleFactor[pageNum];
|
||
int16 dX = x - (_dsX1 << 3);
|
||
int16 dY = y;
|
||
int16 dW = _dsX2 - _dsX1;
|
||
uint8 pixelsPerByte = *src++ ;
|
||
|
||
uint16 dH = *src++;
|
||
uint16 width = (*src++) << 3;
|
||
uint16 transOffset = (pixelsPerByte == 4) ? (dH * width) >> 2 : 0;
|
||
src++;
|
||
|
||
int rX = x;
|
||
int rY = y;
|
||
int rW = width + 8;
|
||
int rH = dH;
|
||
|
||
uint16 w2 = width;
|
||
int d = dY - _dsY1;
|
||
|
||
int pixelStep = (flags & 1) ? -1 : 1;
|
||
|
||
if (pixelsPerByte == 8) {
|
||
uint16 marginLeft = 0;
|
||
uint16 marginRight = 0;
|
||
|
||
if (d < 0) {
|
||
dH += d;
|
||
if (dH <= 0)
|
||
return;
|
||
d = -d;
|
||
|
||
for (int i = 0; i < d; i++) {
|
||
marginLeft = width;
|
||
for (int ii = 0; ii < marginLeft; ii++) {
|
||
if (!*src++)
|
||
marginLeft = marginLeft + 1 - *src++;
|
||
}
|
||
}
|
||
dY = _dsY1;
|
||
}
|
||
|
||
d = _dsY2 - dY;
|
||
|
||
if (d < 1)
|
||
return;
|
||
|
||
if (d < dH)
|
||
dH = d;
|
||
|
||
marginLeft = 0;
|
||
|
||
if (dX < 0) {
|
||
width += dX;
|
||
marginLeft = -dX;
|
||
|
||
if (marginLeft >= w2)
|
||
return;
|
||
|
||
dX = 0;
|
||
}
|
||
|
||
marginRight = 0;
|
||
d = (dW << 3) - dX;
|
||
|
||
if (d < 1)
|
||
return;
|
||
|
||
if (d < width) {
|
||
width = d;
|
||
marginRight = w2 - marginLeft - width;
|
||
}
|
||
|
||
dst += (dY * SCREEN_W * _pageScaleFactor[pageNum] * _pageScaleFactor[pageNum] + dX * _pageScaleFactor[pageNum]);
|
||
uint8 *dstL = dst;
|
||
|
||
if (pageNum == 0 || pageNum == 1)
|
||
addDirtyRect(rX * _pageScaleFactor[pageNum], rY * _pageScaleFactor[pageNum], rW * _pageScaleFactor[pageNum], rH * _pageScaleFactor[pageNum]);
|
||
|
||
while (dH--) {
|
||
int16 xpos = (int16) marginLeft;
|
||
|
||
if (flags & 1) {
|
||
for (int i = 0; i < w2; i++) {
|
||
if (*src++ == 0) {
|
||
i += (*src - 1);
|
||
src += (*src - 1);
|
||
}
|
||
}
|
||
src--;
|
||
}
|
||
const uint8 *src2 = src;
|
||
|
||
if (xpos) {
|
||
do {
|
||
uint8 val = (flags & 1) ? *(src - 1) : *src;
|
||
while (val && xpos) {
|
||
src += pixelStep;
|
||
xpos--;
|
||
val = (flags & 1) ? *(src - 1) : *src;
|
||
}
|
||
|
||
val = (flags & 1) ? *(src - 1) : *src;
|
||
if (!val) {
|
||
src += pixelStep;
|
||
uint8 bt = (flags & 1) ? src[1] : src[0];
|
||
src += pixelStep;
|
||
xpos = xpos - bt;
|
||
}
|
||
} while (xpos > 0);
|
||
}
|
||
|
||
dst -= (xpos * _pageScaleFactor[pageNum]);
|
||
xpos += width;
|
||
|
||
while (xpos > 0) {
|
||
uint8 c = *src;
|
||
uint8 m = (flags & 1) ? *(src - 1) : c;
|
||
src += pixelStep;
|
||
|
||
if (m) {
|
||
drawShapeSetPixel(dst, c, SCREEN_W * _pageScaleFactor[pageNum]);
|
||
dst += _pageScaleFactor[pageNum];
|
||
xpos--;
|
||
} else {
|
||
uint8 len = (flags & 1) ? src[1] : src[0];
|
||
dst += (len * _pageScaleFactor[pageNum]);
|
||
xpos -= len;
|
||
src += pixelStep;
|
||
}
|
||
}
|
||
xpos += marginRight;
|
||
|
||
if (xpos) {
|
||
do {
|
||
uint8 val = (flags & 1) ? *(src - 1) : *src;
|
||
while (val && xpos) {
|
||
src += pixelStep;
|
||
xpos--;
|
||
val = (flags & 1) ? *(src - 1) : *src;
|
||
}
|
||
|
||
val = (flags & 1) ? *(src - 1) : *src;
|
||
if (!val) {
|
||
src += pixelStep;
|
||
uint8 bt = (flags & 1) ? src[1] : src[0];
|
||
src += pixelStep;
|
||
xpos = xpos - bt;
|
||
}
|
||
} while (xpos > 0);
|
||
}
|
||
|
||
dstL += SCREEN_W * _pageScaleFactor[pageNum] * _pageScaleFactor[pageNum];
|
||
dst = dstL;
|
||
if (flags & 1)
|
||
src = src2 + 1;
|
||
}
|
||
} else {
|
||
const uint8 *pal = 0;
|
||
uint8 cgaPal[4];
|
||
memset(cgaPal, 0, 4);
|
||
|
||
if (pixelsPerByte == 2) {
|
||
pal = ovl ? ovl : src;
|
||
src += 16;
|
||
} else {
|
||
static const uint8 cgaDefOvl[] = { 0x00, 0x55, 0xaa, 0xff };
|
||
pal = ovl ? ovl : cgaDefOvl;
|
||
for (int i = 0; i < 4; i++)
|
||
cgaPal[i] = pal[i] & 3;
|
||
pal = cgaPal;
|
||
}
|
||
|
||
if (d < 0) {
|
||
d = -d;
|
||
if (d >= dH)
|
||
return;
|
||
src += (d * (width / pixelsPerByte));
|
||
d = dY + dH - _dsY1;
|
||
if (d >= 0) {
|
||
dH = d;
|
||
dY = _dsY1;
|
||
d = _dsY2 - dY;
|
||
}
|
||
} else {
|
||
d = _dsY2 - dY;
|
||
}
|
||
|
||
if (d < 1)
|
||
return;
|
||
|
||
if (d < dH)
|
||
dH = d;
|
||
|
||
bool trimL = false;
|
||
uint8 dXbitAlign = dX & (pixelsPerByte - 1);
|
||
|
||
if (dX < 0) {
|
||
width += dX;
|
||
d = -dX;
|
||
if (flags & 1)
|
||
src -= (d / pixelsPerByte);
|
||
else
|
||
src += (d / pixelsPerByte);
|
||
|
||
if (d >= w2)
|
||
return;
|
||
|
||
dX = 0;
|
||
trimL = true;
|
||
}
|
||
|
||
d = (dW << 3) - dX;
|
||
|
||
if (d < 1)
|
||
return;
|
||
|
||
if (d < width)
|
||
width = d;
|
||
|
||
dst += (dY * _pageScaleFactor[pageNum] * SCREEN_W * _pageScaleFactor[pageNum] + dX * _pageScaleFactor[pageNum]);
|
||
|
||
if (pageNum == 0 || pageNum == 1)
|
||
addDirtyRect(rX * _pageScaleFactor[pageNum], rY * _pageScaleFactor[pageNum], rW * _pageScaleFactor[pageNum], rH * _pageScaleFactor[pageNum]);
|
||
|
||
int pitch = SCREEN_W * _pageScaleFactor[pageNum] * _pageScaleFactor[pageNum] - width * _pageScaleFactor[pageNum];
|
||
int16 lineSrcStep = (w2 - width) / pixelsPerByte;
|
||
uint8 lineSrcStepRemainder = (w2 - width) % pixelsPerByte;
|
||
|
||
w2 /= pixelsPerByte;
|
||
if (flags & 1)
|
||
src += (w2 - 1);
|
||
|
||
uint8 pixelPacking = 8 / pixelsPerByte;
|
||
uint8 pixelPackingMask = 0;
|
||
|
||
for (int i = 0; i < pixelPacking; i++)
|
||
pixelPackingMask |= (1 << i);
|
||
|
||
if (trimL && (dXbitAlign > lineSrcStepRemainder))
|
||
lineSrcStep--;
|
||
|
||
uint8 bitShDef = 8 - pixelPacking;
|
||
if (flags & 1) {
|
||
lineSrcStep = (w2 << 1) - lineSrcStep;
|
||
bitShDef = 0;
|
||
}
|
||
|
||
uint8 bitShLineStart = bitShDef;
|
||
if (trimL)
|
||
bitShLineStart -= (dXbitAlign * pixelStep * pixelPacking);
|
||
|
||
while (dH--) {
|
||
int16 wd = width;
|
||
uint8 in = 0;
|
||
uint8 trans = 0;
|
||
uint8 shift = bitShLineStart;
|
||
uint8 shSwtch = bitShLineStart;
|
||
|
||
while (wd--) {
|
||
if (shift == shSwtch) {
|
||
in = *src;
|
||
trans = src[transOffset];
|
||
src += pixelStep;
|
||
shSwtch = bitShDef;
|
||
}
|
||
uint8 col = (pixelsPerByte == 2) ? pal[(in >> shift) & pixelPackingMask] : (*dst & ((trans >> shift) & (pixelPackingMask))) | pal[(in >> shift) & pixelPackingMask];
|
||
if (col || pixelsPerByte == 4)
|
||
drawShapeSetPixel(dst, col, SCREEN_W * _pageScaleFactor[pageNum]);
|
||
dst += _pageScaleFactor[pageNum];
|
||
shift = ((shift - (pixelStep * pixelPacking)) & 7);
|
||
}
|
||
src += lineSrcStep;
|
||
dst += pitch;
|
||
}
|
||
}
|
||
}
|
||
|
||
const uint8 *Screen_EoB::scaleShape(const uint8 *shapeData, int steps) {
|
||
setShapeFadeMode(1, steps ? true : false);
|
||
|
||
while (shapeData && steps--)
|
||
shapeData = scaleShapeStep(shapeData);
|
||
|
||
return shapeData;
|
||
}
|
||
|
||
const uint8 *Screen_EoB::scaleShapeStep(const uint8 *shp) {
|
||
uint8 *dst = (shp != _dsTempPage) ? _dsTempPage : _dsTempPage + 6000;
|
||
uint8 *d = dst;
|
||
uint8 pixelsPerByte = *d++ = *shp++;
|
||
assert (pixelsPerByte > 1);
|
||
|
||
uint16 h = shp[0] + 1;
|
||
d[0] = d[2] = (h << 1) / 3;
|
||
|
||
uint16 w = shp[1];
|
||
uint16 w2 = (w << 3) / pixelsPerByte;
|
||
uint16 t = ((w << 1) % 3) ? 1 : 0;
|
||
d[1] = ((w << 1) / 3) + t;
|
||
|
||
uint32 transOffsetSrc = (pixelsPerByte == 4) ? (shp[0] * shp[1]) << 1 : 0;
|
||
uint32 transOffsetDst = (pixelsPerByte == 4) ? (d[0] * d[1]) << 1 : 0;
|
||
shp += 3;
|
||
d += 3;
|
||
|
||
if (pixelsPerByte == 2) {
|
||
int i = 0;
|
||
while (i < 16) {
|
||
if (!shp[i]) {
|
||
i = -i;
|
||
break;
|
||
}
|
||
i++;
|
||
}
|
||
|
||
if (i >= 0)
|
||
i = 0;
|
||
else
|
||
i = -i;
|
||
|
||
_dsScaleTrans = (i << 4) | (i & 0x0f);
|
||
for (int ii = 0; ii < 16; ii++)
|
||
*d++ = *shp++;
|
||
}
|
||
|
||
_dsDiv = w2 / 3;
|
||
_dsRem = w2 % 3;
|
||
|
||
while (--h) {
|
||
if (pixelsPerByte == 2)
|
||
scaleShapeProcessLine4Bit(d, shp);
|
||
else
|
||
scaleShapeProcessLine2Bit(d, shp, transOffsetDst, transOffsetSrc);
|
||
if (!--h)
|
||
break;
|
||
if (pixelsPerByte == 2)
|
||
scaleShapeProcessLine4Bit(d, shp);
|
||
else
|
||
scaleShapeProcessLine2Bit(d, shp, transOffsetDst, transOffsetSrc);
|
||
if (!--h)
|
||
break;
|
||
shp += w2;
|
||
}
|
||
|
||
return (const uint8*)dst;
|
||
}
|
||
|
||
const uint8 *Screen_EoB::generateShapeOverlay(const uint8 *shp, int paletteOverlayIndex) {
|
||
if (*shp != 2)
|
||
return 0;
|
||
|
||
shp += 4;
|
||
uint8 *ovl = getFadeTable(paletteOverlayIndex);
|
||
for (int i = 0; i < 16; i++)
|
||
_shapeOverlay[i] = ovl[shp[i]];
|
||
return _shapeOverlay;
|
||
}
|
||
|
||
void Screen_EoB::setShapeFrame(int x1, int y1, int x2, int y2) {
|
||
_dsX1 = x1;
|
||
_dsY1 = y1;
|
||
_dsX2 = x2;
|
||
_dsY2 = y2;
|
||
}
|
||
|
||
void Screen_EoB::setShapeFadeMode(uint8 i, bool b) {
|
||
if (!i || i == 1)
|
||
_shapeFadeMode[i] = b;
|
||
}
|
||
|
||
void Screen_EoB::setGfxParameters(int x, int y, int col) {
|
||
_gfxX = x;
|
||
_gfxY = y;
|
||
_gfxCol = col;
|
||
}
|
||
|
||
void Screen_EoB::drawExplosion(int scale, int radius, int numElements, int stepSize, int aspectRatio, const uint8 *colorTable, int colorTableSize) {
|
||
int ymin = 0;
|
||
int ymax = _gfxMaxY[scale];
|
||
int xmin = -100;
|
||
int xmax = 276;
|
||
|
||
if (scale)
|
||
--scale;
|
||
|
||
hideMouse();
|
||
|
||
const ScreenDim *dm = getScreenDim(5);
|
||
int rX1 = dm->sx << 3;
|
||
int rY1 = dm->sy;
|
||
int rX2 = rX1 + (dm->w << 3);
|
||
int rY2 = rY1 + dm->h - 1;
|
||
|
||
int16 gx2 = _gfxX;
|
||
int16 gy2 = _gfxY;
|
||
|
||
int16 *ptr2 = (int16 *)_dsTempPage;
|
||
int16 *ptr3 = (int16 *)&_dsTempPage[300];
|
||
int16 *ptr4 = (int16 *)&_dsTempPage[600];
|
||
int16 *ptr5 = (int16 *)&_dsTempPage[900];
|
||
int16 *ptr6 = (int16 *)&_dsTempPage[1200];
|
||
int16 *ptr7 = (int16 *)&_dsTempPage[1500];
|
||
int16 *ptr8 = (int16 *)&_dsTempPage[1800];
|
||
|
||
if (numElements > 150)
|
||
numElements = 150;
|
||
|
||
for (int i = 0; i < numElements; i++) {
|
||
ptr2[i] = ptr3[i] = 0;
|
||
ptr4[i] = _vm->_rnd.getRandomNumberRng(0, radius) - (radius >> 1);
|
||
ptr5[i] = _vm->_rnd.getRandomNumberRng(0, radius) - (radius >> 1) - (radius >> (8 - aspectRatio));
|
||
ptr7[i] = _vm->_rnd.getRandomNumberRng(1024 / stepSize, 2048 / stepSize);
|
||
ptr8[i] = scale << 8;
|
||
}
|
||
|
||
for (int l = 2; l;) {
|
||
if (l != 2) {
|
||
for (int i = numElements - 1; i >= 0; i--) {
|
||
int16 px = ((ptr2[i] >> 6) >> scale) + gx2;
|
||
int16 py = ((ptr3[i] >> 6) >> scale) + gy2;
|
||
if (py > ymax)
|
||
py = ymax;
|
||
if (posWithinRect(px, py, rX1, rY1, rX2, rY2))
|
||
setPagePixel(0, px, py, ptr6[i]);
|
||
}
|
||
}
|
||
|
||
l = 0;
|
||
|
||
for (int i = 0; i < numElements; i++) {
|
||
uint32 end = _system->getMillis() + 1;
|
||
if (ptr4[i] <= 0)
|
||
ptr4[i]++;
|
||
else
|
||
ptr4[i]--;
|
||
ptr2[i] += ptr4[i];
|
||
ptr5[i] += 5;
|
||
ptr3[i] += ptr5[i];
|
||
ptr8[i] += ptr7[i];
|
||
|
||
int16 px = ((ptr2[i] >> 6) >> scale) + gx2;
|
||
int16 py = ((ptr3[i] >> 6) >> scale) + gy2;
|
||
if (py >= ymax || py < ymin)
|
||
ptr5[i] = -(ptr5[i] >> 1);
|
||
if (px >= xmax || px < xmin)
|
||
ptr4[i] = -(ptr4[i] >> 1);
|
||
|
||
if (py > ymax)
|
||
py = ymax;
|
||
|
||
int pxVal1 = 0;
|
||
if (posWithinRect(px, py, 0, 0, 319, 199)) {
|
||
pxVal1 = getPagePixel(2, px, py);
|
||
ptr6[i] = getPagePixel(0, px, py);
|
||
}
|
||
|
||
assert((ptr8[i] >> 8) < colorTableSize);
|
||
int pxVal2 = colorTable[ptr8[i] >> 8];
|
||
if (pxVal2) {
|
||
l = 1;
|
||
if (pxVal1 == _gfxCol && posWithinRect(px, py, rX1, rY1, rX2, rY2)) {
|
||
setPagePixel(0, px, py, pxVal2);
|
||
if (i % 5 == 0) {
|
||
updateScreen();
|
||
uint32 cur = _system->getMillis();
|
||
if (end > cur)
|
||
_system->delayMillis(end - cur);
|
||
}
|
||
}
|
||
} else {
|
||
ptr7[i] = 0;
|
||
}
|
||
}
|
||
}
|
||
|
||
showMouse();
|
||
}
|
||
|
||
void Screen_EoB::drawVortex(int numElements, int radius, int stepSize, int, int disorder, const uint8 *colorTable, int colorTableSize) {
|
||
int16 *xCoords = (int16 *)_dsTempPage;
|
||
int16 *yCoords = (int16 *)&_dsTempPage[300];
|
||
int16 *xMod = (int16 *)&_dsTempPage[600];
|
||
int16 *yMod = (int16 *)&_dsTempPage[900];
|
||
int16 *pixBackup = (int16 *)&_dsTempPage[1200];
|
||
int16 *colTableStep = (int16 *)&_dsTempPage[1500];
|
||
int16 *colTableIndex = (int16 *)&_dsTempPage[1800];
|
||
int16 *pixDelay = (int16 *)&_dsTempPage[2100];
|
||
|
||
hideMouse();
|
||
int cp = _curPage;
|
||
|
||
if (numElements > 150)
|
||
numElements = 150;
|
||
|
||
int cx = 88;
|
||
int cy = 48;
|
||
radius <<= 6;
|
||
|
||
for (int i = 0; i < numElements; i++) {
|
||
int16 v38 = _vm->_rnd.getRandomNumberRng(radius >> 2, radius);
|
||
int16 stepSum = 0;
|
||
int16 sqsum = 0;
|
||
while (sqsum < v38) {
|
||
stepSum += stepSize;
|
||
sqsum += stepSum;
|
||
}
|
||
|
||
switch (_vm->_rnd.getRandomNumber(255) & 3) {
|
||
case 0:
|
||
xCoords[i] = 32;
|
||
yCoords[i] = sqsum;
|
||
xMod[i] = stepSum;
|
||
yMod[i] = 0;
|
||
break;
|
||
|
||
case 1:
|
||
xCoords[i] = sqsum;
|
||
yCoords[i] = 32;
|
||
xMod[i] = 0;
|
||
yMod[i] = stepSum;
|
||
break;
|
||
|
||
case 2:
|
||
xCoords[i] = 32;
|
||
yCoords[i] = -sqsum;
|
||
xMod[i] = stepSum;
|
||
yMod[i] = 0;
|
||
break;
|
||
|
||
default:
|
||
xCoords[i] = -sqsum;
|
||
yCoords[i] = 32;
|
||
xMod[i] = 0;
|
||
yMod[i] = stepSum;
|
||
break;
|
||
}
|
||
|
||
if (_vm->_rnd.getRandomBit()) {
|
||
xMod[i] *= -1;
|
||
yMod[i] *= -1;
|
||
}
|
||
|
||
colTableStep[i] = _vm->_rnd.getRandomNumberRng(1024 / disorder, 2048 / disorder);
|
||
colTableIndex[i] = 0;
|
||
pixDelay[i] = _vm->_rnd.getRandomNumberRng(0, disorder >> 2);
|
||
}
|
||
|
||
int d = 0;
|
||
for (int i = 2; i;) {
|
||
if (i != 2) {
|
||
for (int ii = numElements - 1; ii >= 0; ii--) {
|
||
int16 px = CLIP((xCoords[ii] >> 6) + cx, 0, SCREEN_W - 1);
|
||
int16 py = CLIP((yCoords[ii] >> 6) + cy, 0, SCREEN_H - 1);
|
||
setPagePixel(0, px, py, pixBackup[ii]);
|
||
}
|
||
}
|
||
|
||
i = 0;
|
||
int r = (stepSize >> 1) + (stepSize >> 2) + (stepSize >> 3);
|
||
uint32 nextDelay = _system->getMillis() + 1;
|
||
|
||
for (int ii = 0; ii < numElements; ii++) {
|
||
if (pixDelay[ii] == 0) {
|
||
if (xCoords[ii] > 0) {
|
||
xMod[ii] -= ((xMod[ii] > 0) ? stepSize : r);
|
||
} else {
|
||
xMod[ii] += ((xMod[ii] < 0) ? stepSize : r);
|
||
}
|
||
|
||
if (yCoords[ii] > 0) {
|
||
yMod[ii] -= ((yMod[ii] > 0) ? stepSize : r);
|
||
} else {
|
||
yMod[ii] += ((yMod[ii] < 0) ? stepSize : r);
|
||
}
|
||
|
||
xCoords[ii] += xMod[ii];
|
||
yCoords[ii] += yMod[ii];
|
||
colTableIndex[ii] += colTableStep[ii];
|
||
|
||
} else {
|
||
pixDelay[ii]--;
|
||
}
|
||
|
||
int16 px = CLIP((xCoords[ii] >> 6) + cx, 0, SCREEN_W - 1);
|
||
int16 py = CLIP((yCoords[ii] >> 6) + cy, 0, SCREEN_H - 1);
|
||
|
||
uint8 tc1 = ((disorder >> 2) <= d) ? getPagePixel(2, px, py) : 0;
|
||
pixBackup[ii] = getPagePixel(0, px, py);
|
||
uint8 tblIndex = CLIP(colTableIndex[ii] >> 8, 0, colorTableSize - 1);
|
||
uint8 tc2 = colorTable[tblIndex];
|
||
|
||
if (tc2) {
|
||
i = 1;
|
||
if (tc1 == _gfxCol && !pixDelay[ii]) {
|
||
setPagePixel(0, px, py, tc2);
|
||
if (ii % 15 == 0) {
|
||
updateScreen();
|
||
uint32 cur = _system->getMillis();
|
||
if (nextDelay > cur)
|
||
_system->delayMillis(nextDelay - cur);
|
||
nextDelay += 1;
|
||
}
|
||
}
|
||
} else {
|
||
colTableStep[ii] = 0;
|
||
}
|
||
}
|
||
d++;
|
||
}
|
||
|
||
_curPage = cp;
|
||
showMouse();
|
||
}
|
||
|
||
void Screen_EoB::fadeTextColor(Palette *pal, int color1, int rate) {
|
||
uint8 *col = pal->getData();
|
||
|
||
for (bool loop = true; loop;) {
|
||
loop = true;
|
||
uint32 end = _system->getMillis() + _vm->tickLength();
|
||
|
||
loop = false;
|
||
for (int ii = 0; ii < 3; ii++) {
|
||
uint8 c = col[color1 * 3 + ii];
|
||
if (c > rate) {
|
||
col[color1 * 3 + ii] -= rate;
|
||
loop = true;
|
||
} else if (c) {
|
||
col[color1 * 3 + ii] = 0;
|
||
loop = true;
|
||
}
|
||
}
|
||
|
||
if (loop) {
|
||
setScreenPalette(*pal);
|
||
updateScreen();
|
||
uint32 cur = _system->getMillis();
|
||
if (end > cur)
|
||
_system->delayMillis(end - cur);
|
||
}
|
||
}
|
||
}
|
||
|
||
bool Screen_EoB::delayedFadePalStep(Palette *fadePal, Palette *destPal, int rate) {
|
||
bool res = false;
|
||
|
||
uint8 *s = fadePal->getData();
|
||
uint8 *d = destPal->getData();
|
||
|
||
for (int i = 0; i < 765; i++) {
|
||
int fadeVal = *s++;
|
||
int dstCur = *d;
|
||
int diff = ABS(fadeVal - dstCur);
|
||
|
||
if (diff == 0) {
|
||
d++;
|
||
continue;
|
||
}
|
||
|
||
res = true;
|
||
diff = MIN(diff, rate);
|
||
|
||
if (dstCur < fadeVal)
|
||
*d += diff;
|
||
else
|
||
*d -= diff;
|
||
d++;
|
||
}
|
||
|
||
return res;
|
||
}
|
||
|
||
int Screen_EoB::getRectSize(int w, int h) {
|
||
return w * h;
|
||
}
|
||
|
||
void Screen_EoB::setFadeTableIndex(int index) {
|
||
_fadeDataIndex = (CLIP(index, 0, 7) << 8);
|
||
}
|
||
|
||
void Screen_EoB::createFadeTable(uint8 *palData, uint8 *dst, uint8 rootColor, uint8 weight) {
|
||
if (!palData)
|
||
return;
|
||
|
||
uint8 *src = palData + 3 * rootColor;
|
||
uint8 r = *src++;
|
||
uint8 g = *src++;
|
||
uint8 b = *src;
|
||
uint8 tr, tg, tb;
|
||
src = palData + 3;
|
||
|
||
*dst++ = 0;
|
||
weight >>= 1;
|
||
|
||
for (uint8 i = 1; i; i++) {
|
||
uint16 tmp = (uint16)((*src - r) * weight) << 1;
|
||
tr = *src++ - ((tmp >> 8) & 0xff);
|
||
tmp = (uint16)((*src - g) * weight) << 1;
|
||
tg = *src++ - ((tmp >> 8) & 0xff);
|
||
tmp = (uint16)((*src - b) * weight) << 1;
|
||
tb = *src++ - ((tmp >> 8) & 0xff);
|
||
|
||
uint8 *d = palData + 3;
|
||
uint16 v = 0xffff;
|
||
uint8 col = rootColor;
|
||
|
||
for (uint8 ii = 1; ii; ii++) {
|
||
int a = *d++ - tr;
|
||
int t = a * a;
|
||
a = *d++ - tg;
|
||
t += (a * a);
|
||
a = *d++ - tb;
|
||
t += (a * a);
|
||
|
||
if (t <= v && (ii == rootColor || ii != i)) {
|
||
v = t;
|
||
col = ii ;
|
||
}
|
||
}
|
||
*dst++ = col;
|
||
}
|
||
}
|
||
|
||
uint8 *Screen_EoB::getFadeTable(int index) {
|
||
return (index >= 0 && index < 5) ? &_fadeData[index << 8] : 0;
|
||
}
|
||
|
||
const uint16 *Screen_EoB::getCGADitheringTable(int index) {
|
||
return !(index & ~1) ? _cgaDitheringTables[index] : 0;
|
||
}
|
||
|
||
const uint8 *Screen_EoB::getEGADitheringTable() {
|
||
return _egaDitheringTable;
|
||
}
|
||
|
||
void Screen_EoB::drawShapeSetPixel(uint8 *dst, uint8 col, uint16 pitch) {
|
||
if ((_renderMode != Common::kRenderCGA && _renderMode != Common::kRenderEGA) || _useHiResEGADithering) {
|
||
if (_shapeFadeMode[0]) {
|
||
if (_shapeFadeMode[1]) {
|
||
col = _useHiResEGADithering ? _egaPixelValueTable[(dst[0] << 4) | (dst[1] & 0x0f)] : *dst;
|
||
} else {
|
||
_shapeFadeInternal &= 7;
|
||
col = _useHiResEGADithering ? _egaPixelValueTable[(dst[_shapeFadeInternal] << 4) | (dst[_shapeFadeInternal + 1] & 0x0f)] : dst[_shapeFadeInternal];
|
||
_shapeFadeInternal++;
|
||
}
|
||
}
|
||
|
||
if (_shapeFadeMode[1]) {
|
||
uint8 cnt = _shapeFadeMode[1];
|
||
while (cnt--)
|
||
col = _fadeData[_fadeDataIndex + col];
|
||
}
|
||
}
|
||
|
||
if (_useHiResEGADithering) {
|
||
col = _egaDitheringTable[col];
|
||
dst[0] = dst[pitch] = col >> 4;
|
||
dst[1] = dst[pitch + 1] = col & 0x0f;
|
||
} else {
|
||
*dst = col;
|
||
}
|
||
}
|
||
|
||
void Screen_EoB::scaleShapeProcessLine2Bit(uint8 *&shpDst, const uint8 *&shpSrc, uint32 transOffsetDst, uint32 transOffsetSrc) {
|
||
for (int i = 0; i < _dsDiv; i++) {
|
||
shpDst[0] = (_cgaScaleTable[shpSrc[0]] << 2) | (shpSrc[1] >> 6);
|
||
shpDst[1] = ((shpSrc[1] & 0x0f) << 4) | ((shpSrc[2] >> 2) & 0x0f);
|
||
shpDst[transOffsetDst] = (_cgaScaleTable[shpSrc[transOffsetSrc]] << 2) | (shpSrc[transOffsetSrc + 1] >> 6);
|
||
shpDst[transOffsetDst + 1] = ((shpSrc[transOffsetSrc + 1] & 0x0f) << 4) | ((shpSrc[transOffsetSrc + 2] >> 2) & 0x0f);
|
||
shpSrc += 3;
|
||
shpDst += 2;
|
||
}
|
||
|
||
if (_dsRem == 1) {
|
||
shpDst[0] = _cgaScaleTable[shpSrc[0]] << 2;
|
||
shpDst[1] = 0;
|
||
shpDst[transOffsetDst] = (_cgaScaleTable[shpSrc[transOffsetSrc]] << 2) | 3;
|
||
shpDst[transOffsetDst + 1] = 0xff;
|
||
shpSrc++;
|
||
shpDst += 2;
|
||
|
||
} else if (_dsRem == 2) {
|
||
shpDst[0] = (_cgaScaleTable[shpSrc[0]] << 2) | (shpSrc[1] >> 6);
|
||
shpDst[1] = (shpSrc[1] & 0x3f) << 2;
|
||
shpDst[transOffsetDst] = (_cgaScaleTable[shpSrc[transOffsetSrc]] << 2) | (shpSrc[transOffsetSrc + 1] >> 6);
|
||
shpDst[transOffsetDst + 1] = ((shpSrc[transOffsetSrc + 1] & 0x3f) << 2) | 3;
|
||
shpSrc += 2;
|
||
shpDst += 2;
|
||
}
|
||
}
|
||
|
||
void Screen_EoB::scaleShapeProcessLine4Bit(uint8 *&dst, const uint8 *&src) {
|
||
for (int i = 0; i < _dsDiv; i++) {
|
||
*dst++ = *src++;
|
||
*dst++ = (READ_BE_UINT16(src) >> 4) & 0xff;
|
||
src += 2;
|
||
}
|
||
|
||
if (_dsRem == 1) {
|
||
*dst++ = *src++;
|
||
*dst++ = _dsScaleTrans;
|
||
} else if (_dsRem == 2) {
|
||
*dst++ = (src[0] & 0xf0) | (src[1] >> 4);
|
||
src += 2;
|
||
*dst++ = _dsScaleTrans;
|
||
*dst++ = _dsScaleTrans;
|
||
*dst++ = _dsScaleTrans;
|
||
}
|
||
}
|
||
|
||
bool Screen_EoB::posWithinRect(int posX, int posY, int x1, int y1, int x2, int y2) {
|
||
if (posX < x1 || posX > x2 || posY < y1 || posY > y2)
|
||
return false;
|
||
return true;
|
||
}
|
||
|
||
void Screen_EoB::generateEGADitheringTable(const Palette &pal) {
|
||
assert(_egaDitheringTable);
|
||
const uint8 *src = pal.getData();
|
||
uint8 *dst = _egaDitheringTable;
|
||
|
||
for (int i = 256; i; i--) {
|
||
int r = *src++;
|
||
int g = *src++;
|
||
int b = *src++;
|
||
|
||
uint8 col = 0;
|
||
uint16 min = 0x2E83;
|
||
|
||
for (int ii = 256; ii; ii--) {
|
||
const uint8 *palEntry = _egaMatchTable + (ii - 1) * 3;
|
||
if (*palEntry == 0xff)
|
||
continue;
|
||
|
||
int e_r = palEntry[0] - r;
|
||
int e_g = palEntry[1] - g;
|
||
int e_b = palEntry[2] - b;
|
||
|
||
uint16 s = (e_r * e_r) + (e_g * e_g) + (e_b * e_b);
|
||
|
||
if (s <= min) {
|
||
min = s;
|
||
col = ii - 1;
|
||
}
|
||
}
|
||
*dst++ = col;
|
||
}
|
||
|
||
memset(_egaPixelValueTable, 0, 256);
|
||
for (int i = 0; i < 256; i++)
|
||
_egaPixelValueTable[_egaDitheringTable[i]] = i;
|
||
}
|
||
|
||
void Screen_EoB::generateCGADitheringTables(const uint8 *mappingData) {
|
||
for (int i = 0; i < 256; i++) {
|
||
_cgaDitheringTables[0][i] = (mappingData[(i >> 4) + 16] << 8) | mappingData[i & 0x0f];
|
||
_cgaDitheringTables[1][i] = (mappingData[i >> 4] << 8) | mappingData[(i & 0x0f) + 16];
|
||
}
|
||
}
|
||
|
||
const uint8 Screen_EoB::_egaMatchTable[] = {
|
||
0x00, 0x00, 0x00, 0x00, 0x00, 0x1E, 0x00, 0x1E, 0x00, 0x00, 0x1E, 0x1E, 0x1E, 0x00, 0x00, 0x1E,
|
||
0x00, 0x1E, 0x1E, 0x0F, 0x00, 0x1E, 0x1E, 0x1E, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x2D, 0x0F, 0x2D,
|
||
0x0F, 0x0F, 0x2D, 0x2D, 0x2D, 0x0F, 0x0F, 0x2D, 0x0F, 0x2D, 0x2D, 0x2D, 0x0F, 0x2D, 0x2D, 0x2D,
|
||
0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x2A, 0x00, 0x1E, 0x1E, 0x00, 0x1E, 0x2A, 0x1E, 0x00, 0x1E, 0x1E,
|
||
0x00, 0x2A, 0x1E, 0x0F, 0x1E, 0x1E, 0x1E, 0x2A, 0x0F, 0x0F, 0x21, 0x0F, 0x0F, 0x36, 0x0F, 0x2D,
|
||
0x21, 0x0F, 0x2D, 0x36, 0x2D, 0x0F, 0x21, 0x2D, 0x0F, 0x36, 0x2D, 0x2D, 0x21, 0x2D, 0x2D, 0x36,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x2A, 0x00, 0x00, 0x2A, 0x1E, 0x1E, 0x1E, 0x00, 0x1E,
|
||
0x1E, 0x1E, 0x1E, 0x21, 0x00, 0x1E, 0x2A, 0x1E, 0x0F, 0x21, 0x0F, 0x0F, 0x21, 0x2D, 0x0F, 0x36,
|
||
0x0F, 0x0F, 0x36, 0x2D, 0x2D, 0x21, 0x0F, 0x2D, 0x21, 0x2D, 0x2D, 0x36, 0x0F, 0x2D, 0x36, 0x2D,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x2A, 0x2A, 0x1E, 0x1E, 0x1E, 0x1E,
|
||
0x1E, 0x2A, 0x1E, 0x21, 0x1E, 0x1E, 0x2A, 0x2A, 0x0F, 0x21, 0x21, 0x0F, 0x21, 0x36, 0x0F, 0x36,
|
||
0x21, 0x0F, 0x36, 0x36, 0x2D, 0x21, 0x21, 0x2D, 0x21, 0x36, 0x2D, 0x36, 0x21, 0x2D, 0x36, 0x36,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x2A, 0x00, 0x00, 0x2A,
|
||
0x00, 0x1E, 0x2A, 0x0F, 0x00, 0x2A, 0x1E, 0x1E, 0x21, 0x0F, 0x0F, 0x21, 0x0F, 0x2D, 0x21, 0x2D,
|
||
0x0F, 0x21, 0x2D, 0x2D, 0x36, 0x0F, 0x0F, 0x36, 0x0F, 0x2D, 0x36, 0x2D, 0x0F, 0x36, 0x2D, 0x2D,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x2A,
|
||
0x00, 0x2A, 0x2A, 0x0F, 0x1E, 0x2A, 0x1E, 0x2A, 0x21, 0x0F, 0x21, 0x21, 0x0F, 0x36, 0x21, 0x2D,
|
||
0x21, 0x21, 0x2D, 0x36, 0x36, 0x0F, 0x21, 0x36, 0x0F, 0x36, 0x36, 0x2D, 0x21, 0x36, 0x2D, 0x36,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0x2A, 0x15, 0x00, 0x2A, 0x21, 0x1E, 0x21, 0x15, 0x0F, 0x21, 0x15, 0x2D, 0x21, 0x2F,
|
||
0x0F, 0x21, 0x2F, 0x2D, 0x36, 0x15, 0x0F, 0x36, 0x15, 0x2D, 0x36, 0x2F, 0x0F, 0x36, 0x2F, 0x2D,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x2A, 0x2A, 0x2A, 0x21, 0x21, 0x21, 0x21, 0x21, 0x36, 0x21, 0x36,
|
||
0x21, 0x21, 0x36, 0x36, 0x36, 0x21, 0x21, 0x36, 0x21, 0x36, 0x36, 0x36, 0x21, 0x36, 0x36, 0x36,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x15, 0x15, 0x15, 0x15, 0x15, 0x2F, 0x15, 0x2F,
|
||
0x15, 0x15, 0x2F, 0x2F, 0x2F, 0x15, 0x15, 0x2F, 0x15, 0x2F, 0x2F, 0x2F, 0x15, 0x2F, 0x2F, 0x2F,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x15, 0x15, 0x3F, 0x15, 0x2F,
|
||
0x2F, 0x15, 0x2F, 0x3F, 0x2F, 0x15, 0x2F, 0x2F, 0x15, 0x3F, 0x2F, 0x2F, 0x2F, 0x2F, 0x2F, 0x3F,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x15, 0x3F,
|
||
0x15, 0x15, 0x3F, 0x2F, 0x2F, 0x2F, 0x15, 0x2F, 0x2F, 0x2F, 0x2F, 0x3F, 0x15, 0x2F, 0x3F, 0x2F,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0x15, 0x3F, 0x3F, 0x2F, 0x2F, 0x2F, 0x2F, 0x2F, 0x3F, 0x2F, 0x3F, 0x2F, 0x2F, 0x3F, 0x3F,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x15, 0x15, 0x3F, 0x15, 0x2F, 0x3F, 0x2F, 0x15, 0x3F, 0x2F, 0x2F,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x15, 0x3F, 0x3F, 0x2F, 0x2F, 0x3F, 0x2F, 0x3F,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x3F, 0x15, 0x3F, 0x3F, 0x2F,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
||
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x3F, 0x3F
|
||
};
|
||
|
||
uint16 *OldDOSFont::_cgaDitheringTable = 0;
|
||
int OldDOSFont::_numRef = 0;
|
||
|
||
OldDOSFont::OldDOSFont(Common::RenderMode mode, bool useHiResEGADithering) : _renderMode(mode), _useHiResEGADithering(useHiResEGADithering) {
|
||
_data = 0;
|
||
_width = _height = _numGlyphs = 0;
|
||
_bitmapOffsets = 0;
|
||
_useLoResEGA = (_renderMode == Common::kRenderEGA && !_useHiResEGADithering);
|
||
|
||
_numRef++;
|
||
if (!_cgaDitheringTable && _numRef == 1) {
|
||
_cgaDitheringTable = new uint16[256];
|
||
memset(_cgaDitheringTable, 0, 256 * sizeof(uint16));
|
||
static const uint bits[] = { 0, 3, 12, 15 };
|
||
for (int i = 0; i < 256; i++)
|
||
_cgaDitheringTable[i] = (bits[i & 3] << 8) | (bits[(i >> 2) & 3] << 12) | (bits[(i >> 4) & 3] << 0) | (bits[(i >> 6) & 3] << 4);
|
||
}
|
||
}
|
||
|
||
OldDOSFont::~OldDOSFont() {
|
||
unload();
|
||
|
||
if (_numRef)
|
||
--_numRef;
|
||
|
||
if (_cgaDitheringTable && !_numRef) {
|
||
delete[] _cgaDitheringTable;
|
||
_cgaDitheringTable = 0;
|
||
}
|
||
}
|
||
|
||
bool OldDOSFont::load(Common::SeekableReadStream &file) {
|
||
unload();
|
||
|
||
_data = new uint8[file.size()];
|
||
assert(_data);
|
||
|
||
file.read(_data, file.size());
|
||
if (file.err())
|
||
return false;
|
||
|
||
if (file.size() - 2 != READ_LE_UINT16(_data))
|
||
return false;
|
||
|
||
_width = _data[0x103];
|
||
_height = _data[0x102];
|
||
_numGlyphs = 255;
|
||
|
||
_bitmapOffsets = (uint16 *)(_data + 2);
|
||
|
||
for (int i = 0; i < _numGlyphs; ++i)
|
||
_bitmapOffsets[i] = READ_LE_UINT16(&_bitmapOffsets[i]);
|
||
|
||
return true;
|
||
}
|
||
|
||
int OldDOSFont::getCharWidth(uint16 c) const {
|
||
if (c >= _numGlyphs)
|
||
return 0;
|
||
return _width;
|
||
}
|
||
|
||
void OldDOSFont::drawChar(uint16 c, byte *dst, int pitch) const {
|
||
static const uint8 renderMaskTable6[] = { 0xFC, 0x00, 0x7E, 0x00, 0x3F, 0x00, 0x1F, 0x80, 0x0F, 0xC0, 0x07, 0xE0, 0x03, 0xF0, 0x01, 0xF8 };
|
||
static const uint8 renderMaskTable8[] = { 0xFF, 0x00, 0x7F, 0x80, 0x3F, 0xC0, 0x1F, 0xE0, 0x0F, 0xF0, 0x07, 0xF8, 0x03, 0xFC, 0x01, 0xFE };
|
||
|
||
if (_width != 8 && _width != 6)
|
||
error("EOB font rendering not implemented for other font widths than 6 and 8.");
|
||
|
||
if (_width == 6) {
|
||
switch (c) {
|
||
case 0x81:
|
||
case 0x9a:
|
||
c = 0x5d;
|
||
break;
|
||
case 0x84:
|
||
case 0x8e:
|
||
c = 0x5b;
|
||
break;
|
||
case 0x94:
|
||
case 0x99:
|
||
c = 0x40;
|
||
case 0xe1:
|
||
// TODO: recheck this: no conversion for '<27>' ?
|
||
break;
|
||
}
|
||
} else if (_width == 8) {
|
||
switch (c) {
|
||
case 0x81:
|
||
case 0x9a:
|
||
case 0x5d:
|
||
c = 0x1d;
|
||
break;
|
||
case 0x84:
|
||
case 0x5b:
|
||
c = 0x1e;
|
||
break;
|
||
case 0x94:
|
||
case 0x40:
|
||
c = 0x1f;
|
||
break;
|
||
case 0x8e:
|
||
c = 0x1b;
|
||
break;
|
||
case 0x99:
|
||
c = 0x1c;
|
||
break;
|
||
case 0xe1:
|
||
c = 0x19;
|
||
break;
|
||
}
|
||
}
|
||
|
||
const uint8 *src = &_data[_bitmapOffsets[c]];
|
||
uint8 *dst2 = dst + pitch;
|
||
|
||
int w = (_width - 1) >> 3;
|
||
pitch -= _width;
|
||
|
||
if (_useHiResEGADithering)
|
||
pitch *= 2;
|
||
|
||
uint8 color1 = _colorMap[1];
|
||
uint8 color2 = _colorMap[0];
|
||
|
||
uint8 colEGA11 = _colorMap[3] >> 4;
|
||
uint8 colEGA12 = _colorMap[3] & 0x0f;
|
||
uint8 colEGA21 = _colorMap[2] >> 4;
|
||
uint8 colEGA22 = _colorMap[2] & 0x0f;
|
||
|
||
static const uint16 cgaColorMask[] = { 0, 0x5555, 0xAAAA, 0xFFFF };
|
||
uint16 cgaMask1 = cgaColorMask[color1 & 3];
|
||
uint16 cgaMask2 = cgaColorMask[color2 & 3];
|
||
|
||
if (_renderMode == Common::kRenderCGA || _useLoResEGA) {
|
||
color1 &= 0x0f;
|
||
color2 &= 0x0f;
|
||
}
|
||
|
||
int cH = _height;
|
||
while (cH--) {
|
||
int cW = w;
|
||
uint8 last = 0;
|
||
const uint8 *mtbl = _width == 8 ? renderMaskTable8 : renderMaskTable6;
|
||
|
||
if (_renderMode == Common::kRenderCGA) {
|
||
uint8 s = *src++;
|
||
uint8 m = *mtbl++;
|
||
|
||
uint8 in = s | last;
|
||
uint16 cmp1 = 0;
|
||
uint16 cmp2 = 0;
|
||
|
||
if (color1) {
|
||
in &= m;
|
||
cmp1 = _cgaDitheringTable[in];
|
||
}
|
||
|
||
if (color2) {
|
||
in = ~in & m;
|
||
cmp2 = _cgaDitheringTable[in];
|
||
}
|
||
|
||
uint16 cDst = 0;
|
||
uint8 sh = 6;
|
||
for (int i = 0; i < _width; i++) {
|
||
cDst |= ((dst[i] & 3) << sh);
|
||
sh = (sh - 2) & 0x0f;
|
||
}
|
||
|
||
uint16 out = (~(cmp1 | cmp2) & cDst) | (cmp1 & cgaMask1) | (cmp2 & cgaMask2);
|
||
|
||
sh = 6;
|
||
for (int i = 0; i < _width; i++) {
|
||
*dst++ = (out >> sh) & 3;
|
||
sh = (sh - 2) & 0x0f;
|
||
}
|
||
|
||
last = s;
|
||
|
||
} else {
|
||
for (bool runWidthLoop = true; runWidthLoop;) {
|
||
uint8 s = *src++;
|
||
uint8 m = *mtbl++;
|
||
|
||
for (uint8 i = 0x80; i; i >>= 1) {
|
||
if (!(m & i)) {
|
||
runWidthLoop = false;
|
||
break;
|
||
}
|
||
|
||
if (_useHiResEGADithering) {
|
||
if (s & i) {
|
||
if (color1) {
|
||
dst[0] = dst2[0] = colEGA11;
|
||
dst[1] = dst2[1] = colEGA12;
|
||
}
|
||
} else if (color2) {
|
||
dst[0] = dst2[0] = colEGA21;
|
||
dst[1] = dst2[1] = colEGA22;
|
||
}
|
||
dst += 2;
|
||
dst2 += 2;
|
||
} else {
|
||
if (s & i) {
|
||
if (color1)
|
||
*dst = color1;
|
||
} else if (color2) {
|
||
*dst = color2;
|
||
}
|
||
dst++;
|
||
}
|
||
}
|
||
|
||
if (cW)
|
||
cW--;
|
||
else
|
||
runWidthLoop = false;
|
||
}
|
||
}
|
||
|
||
dst += pitch;
|
||
dst2 += pitch;
|
||
}
|
||
}
|
||
|
||
void OldDOSFont::unload() {
|
||
delete[] _data;
|
||
_data = 0;
|
||
_width = _height = _numGlyphs = 0;
|
||
_bitmapOffsets = 0;
|
||
}
|
||
|
||
} // End of namespace Kyra
|
||
|
||
#endif // ENABLE_EOB
|