mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-03 15:41:41 +00:00
894 lines
19 KiB
C++
894 lines
19 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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#ifdef ENABLE_LOL
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#include "kyra/screen_lol.h"
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#include "kyra/lol.h"
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#include "common/system.h"
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#include "graphics/palette.h"
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namespace Kyra {
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Screen_LoL::Screen_LoL(LoLEngine *vm, OSystem *system) : Screen_v2(vm, system, vm->gameFlags().use16ColorMode ? _screenDimTable16C : _screenDimTable256C, _screenDimTableCount) {
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_paletteOverlay1 = new uint8[0x100];
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_paletteOverlay2 = new uint8[0x100];
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_grayOverlay = new uint8[0x100];
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memset(_paletteOverlay1, 0, 0x100);
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memset(_paletteOverlay2, 0, 0x100);
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memset(_grayOverlay, 0, 0x100);
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for (int i = 0; i < 8; i++)
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_levelOverlays[i] = new uint8[256];
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_fadeFlag = 2;
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}
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Screen_LoL::~Screen_LoL() {
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for (int i = 0; i < 8; i++)
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delete[] _levelOverlays[i];
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delete[] _paletteOverlay1;
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delete[] _paletteOverlay2;
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delete[] _grayOverlay;
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}
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void Screen_LoL::fprintString(const char *format, int x, int y, uint8 col1, uint8 col2, uint16 flags, ...) {
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if (!format)
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return;
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char string[240];
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va_list vaList;
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va_start(vaList, flags);
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vsnprintf(string, sizeof(string), format, vaList);
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va_end(vaList);
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if (flags & 1)
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x -= (getTextWidth(string) >> 1);
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if (flags & 2)
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x -= getTextWidth(string);
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if (_use16ColorMode) {
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if (flags & 12) {
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printText(string, x - 1, y, 0x44, col2);
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printText(string, x, y + 1, 0x44, col2);
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}
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} else {
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if (flags & 4) {
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printText(string, x - 1, y, 1, col2);
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printText(string, x, y + 1, 1, col2);
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}
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if (flags & 8) {
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printText(string, x - 1, y, 227, col2);
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printText(string, x, y + 1, 227, col2);
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}
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}
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printText(string, x, y, col1, col2);
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}
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void Screen_LoL::fprintStringIntro(const char *format, int x, int y, uint8 c1, uint8 c2, uint8 c3, uint16 flags, ...) {
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char buffer[400];
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va_list args;
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va_start(args, flags);
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vsnprintf(buffer, sizeof(buffer), format, args);
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va_end(args);
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if ((flags & 0x0F00) == 0x100)
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x -= getTextWidth(buffer) >> 1;
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if ((flags & 0x0F00) == 0x200)
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x -= getTextWidth(buffer);
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if ((flags & 0x00F0) == 0x20) {
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printText(buffer, x - 1, y, c3, c2);
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printText(buffer, x, y + 1, c3, c2);
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}
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printText(buffer, x, y, c1, c2);
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}
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void Screen_LoL::drawShadedBox(int x1, int y1, int x2, int y2, int color1, int color2) {
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assert(x1 >= 0 && y1 >= 0);
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hideMouse();
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fillRect(x1, y1, x2, y1 + 1, color1);
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fillRect(x1, y1, x1 + 1, y2, color1);
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drawClippedLine(x2, y1, x2, y2, color2);
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drawClippedLine(x2 - 1, y1 + 1, x2 - 1, y2 - 1, color2);
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drawClippedLine(x1 + 1, y2 - 1, x2, y2 - 1, color2);
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drawClippedLine(x1, y2, x2, y2, color2);
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if (_use16ColorMode && color1 > color2)
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drawBox(x1, y1, x2, y2, 0x44);
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showMouse();
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}
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void Screen_LoL::generateGrayOverlay(const Palette &srcPal, uint8 *grayOverlay, int factor, int addR, int addG, int addB, int lastColor, bool skipSpecialColors) {
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Palette tmpPal(lastColor);
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for (int i = 0; i != lastColor; i++) {
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int v = (((srcPal[3 * i] & 0x3F) * factor) / 0x40) + addR;
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tmpPal[3 * i] = (v > 0x3F) ? 0x3F : v & 0xFF;
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v = (((srcPal[3 * i + 1] & 0x3F) * factor) / 0x40) + addG;
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tmpPal[3 * i + 1] = (v > 0x3F) ? 0x3F : v & 0xFF;
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v = (((srcPal[3 * i + 2] & 0x3F) * factor) / 0x40) + addB;
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tmpPal[3 * i + 2] = (v > 0x3F) ? 0x3F : v & 0xFF;
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}
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for (int i = 0; i < lastColor; i++)
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grayOverlay[i] = findLeastDifferentColor(tmpPal.getData() + 3 * i, srcPal, 0, lastColor, skipSpecialColors);
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}
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void Screen_LoL::createTransparencyTablesIntern(const uint8 *ovl, int a, const uint8 *fxPal1, const uint8 *fxPal2, uint8 *outTable1, uint8 *outTable2, int b) {
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Palette screenPal(256);
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screenPal.copy(fxPal2, 0, 256);
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memset(outTable1, 0xFF, 256);
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for (int i = 0; i < a; i++)
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outTable1[ovl[i]] = i;
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for (int i = 0; i < a; i++) {
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if (ovl[i]) {
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uint8 tcol[3];
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uint16 fcol[3];
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uint16 scol[3];
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uint16 t1 = (b << 6) / 100;
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uint16 t2 = 64 - t1;
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uint8 c = ovl[i];
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fcol[0] = fxPal1[3 * c];
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fcol[1] = fxPal1[3 * c + 1];
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fcol[2] = fxPal1[3 * c + 2];
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uint8 *o = &outTable2[i << 8];
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for (int ii = 0; ii < 256; ii++) {
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scol[0] = screenPal[3 * ii];
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scol[1] = screenPal[3 * ii + 1];
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scol[2] = screenPal[3 * ii + 2];
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tcol[0] = CLIP(((fcol[0] * t2) >> 6) + ((scol[0] * t1) >> 6), 0, 63);
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tcol[1] = CLIP(((fcol[1] * t2) >> 6) + ((scol[1] * t1) >> 6), 0, 63);
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tcol[2] = CLIP(((fcol[2] * t2) >> 6) + ((scol[2] * t1) >> 6), 0, 63);
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o[ii] = findLeastDifferentColor(tcol, screenPal, 0, 255);
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}
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} else {
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memset(&outTable2[i << 8], 0, 256);
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}
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}
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}
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void Screen_LoL::drawGridBox(int x, int y, int w, int h, int col) {
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if (w <= 0 || x >= 320 || h <= 0 || y >= 200)
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return;
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if (x < 0) {
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x += w;
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if (x <= 0)
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return;
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w = x;
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x = 0;
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}
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int tmp = x + w;
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if (tmp >= 320) {
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w = 320 - x;
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}
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int pitch = 320 - w;
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if (y < 0) {
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y += h;
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if (y <= 0)
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return;
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h = y;
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y = 0;
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}
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tmp = y + h;
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if (tmp >= 200) {
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h = 200 - y;
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}
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tmp = (y + x) & 1;
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uint8 *p = getPagePtr(_curPage) + y * 320 + x;
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uint8 s = (tmp >> 8) & 1;
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w >>= 1;
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int w2 = w;
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while (h--) {
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if (w) {
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while (w--) {
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*(p + tmp) = col;
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p += 2;
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}
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}
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if (s == 1) {
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if (tmp == 0)
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*p = col;
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p++;
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}
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tmp ^= 1;
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p += pitch;
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w = w2;
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}
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}
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void Screen_LoL::fadeClearSceneWindow(int delay) {
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if (_fadeFlag == 1)
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return;
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if (_use16ColorMode) {
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fadeToBlack(delay);
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fillRect(112, 0, 288, 120, 0x44);
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} else {
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Palette tpal(getPalette(0).getNumColors());
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tpal.copy(getPalette(0), 128);
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loadSpecialColors(tpal);
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fadePalette(tpal, delay);
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fillRect(112, 0, 288, 120, 0);
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}
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_fadeFlag = 1;
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}
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void Screen_LoL::backupSceneWindow(int srcPageNum, int dstPageNum) {
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uint8 *src = getPagePtr(srcPageNum) + 112;
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uint8 *dst = getPagePtr(dstPageNum) + 0xA500;
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for (int h = 0; h < 120; h++) {
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for (int w = 0; w < 176; w++)
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*dst++ = *src++;
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src += 144;
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}
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}
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void Screen_LoL::restoreSceneWindow(int srcPageNum, int dstPageNum) {
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uint8 *src = getPagePtr(srcPageNum) + 0xA500;
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uint8 *dst = getPagePtr(dstPageNum) + 112;
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for (int h = 0; h < 120; h++) {
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memcpy(dst, src, 176);
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src += 176;
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dst += 320;
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}
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if (!dstPageNum)
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addDirtyRect(112, 0, 176, 120);
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}
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void Screen_LoL::clearGuiShapeMemory(int pageNum) {
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uint8 *dst = getPagePtr(pageNum) + 0x79B0;
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for (int i = 0; i < 23; i++) {
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memset(dst, 0, 176);
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dst += 320;
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}
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}
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void Screen_LoL::copyGuiShapeFromSceneBackupBuffer(int srcPageNum, int dstPageNum) {
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uint8 *src = getPagePtr(srcPageNum) + 0x79C3;
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uint8 *dst = getPagePtr(dstPageNum);
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for (int i = 0; i < 23; i++) {
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uint8 len = 0;
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uint8 v = 0;
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do {
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v = *src++;
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len++;
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} while (!v);
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*dst++ = len;
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len = 69 - len;
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memcpy(dst, src, len);
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src += (len + 251);
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dst += len;
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}
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}
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void Screen_LoL::copyGuiShapeToSurface(int srcPageNum, int dstPageNum) {
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uint8 *src = getPagePtr(srcPageNum);
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uint8 *dst = getPagePtr(dstPageNum) + 0xE7C3;
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for (int i = 0; i < 23; i++) {
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uint8 v = *src++;
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uint8 len = 69 - v;
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dst += v;
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memcpy(dst, src, len);
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src += (len - 1);
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dst += len;
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for (int ii = 0; ii < len; ii++)
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*dst++ = *src--;
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src += (len + 1);
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dst += (v + 38);
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}
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}
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void Screen_LoL::smoothScrollZoomStepTop(int srcPageNum, int dstPageNum, int x, int y) {
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uint8 *src = getPagePtr(srcPageNum) + 0xA500 + y * 176 + x;
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uint8 *dst = getPagePtr(dstPageNum) + 0xA500;
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x <<= 1;
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uint16 width = 176 - x;
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uint16 scaleX = (((x + 1) << 8) / width + 0x100);
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uint16 cntW = scaleX >> 8;
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scaleX <<= 8;
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width--;
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uint16 widthCnt = width;
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uint16 height = 46 - y;
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uint16 scaleY = (((y + 1) << 8) / height + 0x100);
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scaleY <<= 8;
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uint32 scaleYc = 0;
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while (height) {
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uint32 scaleXc = 0;
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do {
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scaleXc += scaleX;
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int numbytes = cntW + (scaleXc >> 16);
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scaleXc &= 0xFFFF;
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memset(dst, *src++, numbytes);
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dst += numbytes;
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} while (--widthCnt);
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*dst++ = *src++;
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widthCnt = width;
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src += x;
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scaleYc += scaleY;
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if (scaleYc >> 16) {
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scaleYc = 0;
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src -= 176;
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continue;
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}
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height--;
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}
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}
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void Screen_LoL::smoothScrollZoomStepBottom(int srcPageNum, int dstPageNum, int x, int y) {
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uint8 *src = getPagePtr(srcPageNum) + 0xC4A0 + x;
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uint8 *dst = getPagePtr(dstPageNum) + 0xC4A0;
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x <<= 1;
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uint16 width = 176 - x;
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uint16 scaleX = (((x + 1) << 8) / width + 0x100);
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uint16 cntW = scaleX >> 8;
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scaleX <<= 8;
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width--;
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uint16 widthCnt = width;
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uint16 height = 74 - y;
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uint16 scaleY = (((y + 1) << 8) / height + 0x100);
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scaleY <<= 8;
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uint32 scaleYc = 0;
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while (height) {
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uint32 scaleXc = 0;
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do {
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scaleXc += scaleX;
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int numbytes = cntW + (scaleXc >> 16);
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scaleXc &= 0xFFFF;
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memset(dst, *src++, numbytes);
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dst += numbytes;
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} while (--widthCnt);
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*dst++ = *src++;
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widthCnt = width;
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src += x;
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scaleYc += scaleY;
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if (scaleYc >> 16) {
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scaleYc = 0;
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src -= 176;
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continue;
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}
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height--;
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}
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}
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void Screen_LoL::smoothScrollHorizontalStep(int pageNum, int srcX, int dstX, int w) {
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uint8 *d = getPagePtr(pageNum);
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uint8 *s = d + 112 + srcX;
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int w2 = srcX + w - dstX;
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int pitchS = 320 + w2 - (w << 1);
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int pitchD = 320 - w;
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int h = 120;
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while (h--) {
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for (int i = 0; i < w; i++)
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*d++ = *s++;
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d -= w;
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s -= w2;
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for (int i = 0; i < w; i++)
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*s++ = *d++;
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s += pitchS;
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d += pitchD;
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}
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}
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void Screen_LoL::smoothScrollTurnStep1(int srcPage1Num, int srcPage2Num, int dstPageNum) {
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uint8 *s = getPagePtr(srcPage1Num) + 273;
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uint8 *d = getPagePtr(dstPageNum) + 0xA500;
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for (int i = 0; i < 120; i++) {
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uint8 a = *s++;
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*d++ = a;
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*d++ = a;
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for (int ii = 0; ii < 14; ii++) {
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a = *s++;
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*d++ = a;
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*d++ = a;
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*d++ = a;
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}
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s += 305;
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d += 132;
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}
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s = getPagePtr(srcPage2Num) + 112;
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d = getPagePtr(dstPageNum) + 0xA52C;
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for (int i = 0; i < 120; i++) {
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for (int ii = 0; ii < 33; ii++) {
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*d++ = *s++;
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*d++ = *s++;
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uint8 a = *s++;
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*d++ = a;
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*d++ = a;
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}
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s += 221;
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d += 44;
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}
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}
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void Screen_LoL::smoothScrollTurnStep2(int srcPage1Num, int srcPage2Num, int dstPageNum) {
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uint8 *s = getPagePtr(srcPage1Num) + 244;
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uint8 *d = getPagePtr(dstPageNum) + 0xA500;
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for (int k = 0; k < 2; k++) {
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for (int i = 0; i < 120; i++) {
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for (int ii = 0; ii < 44; ii++) {
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uint8 a = *s++;
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*d++ = a;
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*d++ = a;
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}
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s += 276;
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d += 88;
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}
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s = getPagePtr(srcPage2Num) + 112;
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d = getPagePtr(dstPageNum) + 0xA558;
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}
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}
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void Screen_LoL::smoothScrollTurnStep3(int srcPage1Num, int srcPage2Num, int dstPageNum) {
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uint8 *s = getPagePtr(srcPage1Num) + 189;
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uint8 *d = getPagePtr(dstPageNum) + 0xA500;
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for (int i = 0; i < 120; i++) {
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for (int ii = 0; ii < 33; ii++) {
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*d++ = *s++;
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*d++ = *s++;
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uint8 a = *s++;
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*d++ = a;
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*d++ = a;
|
|
}
|
|
|
|
s += 221;
|
|
d += 44;
|
|
}
|
|
|
|
s = getPagePtr(srcPage2Num) + 112;
|
|
d = getPagePtr(dstPageNum) + 0xA584;
|
|
|
|
for (int i = 0; i < 120; i++) {
|
|
for (int ii = 0; ii < 14; ii++) {
|
|
uint8 a = *s++;
|
|
*d++ = a;
|
|
*d++ = a;
|
|
*d++ = a;
|
|
}
|
|
|
|
uint8 a = *s++;
|
|
*d++ = a;
|
|
*d++ = a;
|
|
|
|
s += 305;
|
|
d += 132;
|
|
}
|
|
}
|
|
|
|
void Screen_LoL::copyRegionSpecial(int page1, int w1, int h1, int x1, int y1, int page2, int w2, int h2, int x2, int y2, int w3, int h3, int mode, ...) {
|
|
if (!w3 || !h3)
|
|
return;
|
|
|
|
uint8 *table1 = 0;
|
|
uint8 *table2 = 0;
|
|
|
|
if (mode == 2) {
|
|
va_list args;
|
|
va_start(args, mode);
|
|
table1 = va_arg(args, uint8 *);
|
|
table2 = va_arg(args, uint8 *);
|
|
va_end(args);
|
|
}
|
|
|
|
int na = 0, nb = 0, nc = w3;
|
|
if (!calcBounds(w1, h1, x1, y1, w3, h3, na, nb, nc))
|
|
return;
|
|
|
|
int iu5_1 = na;
|
|
int iu6_1 = nb;
|
|
int ibw_1 = w3;
|
|
int dx_1 = x1;
|
|
int dy_1 = y1;
|
|
|
|
if (!calcBounds(w2, h2, x2, y2, w3, h3, na, nb, nc))
|
|
return;
|
|
|
|
int iu5_2 = na;
|
|
int iu6_2 = nb;
|
|
int ibw_2 = w3;
|
|
int ibh_2 = h3;
|
|
int dx_2 = x2;
|
|
int dy_2 = y2;
|
|
|
|
uint8 *src = getPagePtr(page1) + (dy_1 + iu6_2) * w1;
|
|
uint8 *dst = getPagePtr(page2) + (dy_2 + iu6_1) * w2;
|
|
|
|
for (int i = 0; i < ibh_2; i++) {
|
|
uint8 *s = src + iu5_2 + dx_1;
|
|
uint8 *d = dst + iu5_1 + dx_2;
|
|
|
|
if (mode == 0) {
|
|
memcpy(d, s, ibw_2);
|
|
|
|
} else if (mode == 1) {
|
|
if (!(i & 1)) {
|
|
s++;
|
|
d++;
|
|
}
|
|
|
|
for (int ii = (i & 1) ^ 1; ii < ibw_2; ii += 2) {
|
|
*d = *s;
|
|
d += 2;
|
|
s += 2;
|
|
}
|
|
|
|
} else if (mode == 2) {
|
|
for (int ii = 0; ii < ibw_2; ii++) {
|
|
uint8 cmd = *s++;
|
|
uint8 offs = table1[cmd];
|
|
if (!(offs & 0x80))
|
|
cmd = table2[(offs << 8) | *d];
|
|
*d++ = cmd;
|
|
}
|
|
|
|
} else if (mode == 3) {
|
|
s = s - iu5_2 + ibw_1;
|
|
s = s - iu5_2 - 1;
|
|
for (int ii = 0; ii < ibw_2; ii++)
|
|
*d++ = *s--;
|
|
}
|
|
|
|
dst += w2;
|
|
src += w1;
|
|
}
|
|
|
|
if (!page2)
|
|
addDirtyRect(x2, y2, w2, h2);
|
|
}
|
|
|
|
void Screen_LoL::copyBlockAndApplyOverlay(int page1, int x1, int y1, int page2, int x2, int y2, int w, int h, int dim, uint8 *ovl) {
|
|
if (!w || !h || !ovl)
|
|
return;
|
|
|
|
const ScreenDim *cdim = getScreenDim(dim);
|
|
int ix = cdim->sx << 3;
|
|
int iy = cdim->sy;
|
|
int iw = cdim->w << 3;
|
|
int ih = cdim->h;
|
|
|
|
int na = 0, nb = 0, nc = w;
|
|
if (!calcBounds(iw, ih, x2, y2, w, h, na, nb, nc))
|
|
return;
|
|
|
|
uint8 *src = getPagePtr(page1) + y1 * 320 + x1;
|
|
uint8 *dst = getPagePtr(page2) + (y2 + iy) * 320;
|
|
|
|
for (int i = 0; i < h; i++) {
|
|
uint8 *s = src + na;
|
|
uint8 *d = dst + (x2 + ix);
|
|
|
|
for (int ii = 0; ii < w; ii++) {
|
|
uint8 p = ovl[*s++];
|
|
if (p)
|
|
*d = p;
|
|
d++;
|
|
}
|
|
|
|
dst += 320;
|
|
src += 320;
|
|
}
|
|
|
|
if (!page2)
|
|
addDirtyRect(x2 + ix, y2 + iy, w, h);
|
|
}
|
|
|
|
void Screen_LoL::applyOverlaySpecial(int page1, int x1, int y1, int page2, int x2, int y2, int w, int h, int dim, int flag, uint8 *ovl) {
|
|
if (!w || !h || !ovl)
|
|
return;
|
|
|
|
const ScreenDim *cdim = getScreenDim(dim);
|
|
int ix = cdim->sx << 3;
|
|
int iy = cdim->sy;
|
|
int iw = cdim->w << 3;
|
|
int ih = cdim->h;
|
|
|
|
int na = 0, nb = 0, nc = w;
|
|
if (!calcBounds(iw, ih, x2, y2, w, h, na, nb, nc))
|
|
return;
|
|
|
|
uint8 *src = getPagePtr(page1) + y1 * 320 + x1;
|
|
uint8 *dst = getPagePtr(page2) + (y2 + iy) * 320;
|
|
|
|
for (int i = 0; i < h; i++) {
|
|
uint8 *s = src + na;
|
|
uint8 *d = dst + (x2 + ix);
|
|
|
|
if (flag)
|
|
d += (i >> 1);
|
|
|
|
for (int ii = 0; ii < w; ii++) {
|
|
if (*s++)
|
|
*d = ovl[*d];
|
|
d++;
|
|
}
|
|
|
|
dst += 320;
|
|
src += 320;
|
|
}
|
|
|
|
if (!page2)
|
|
addDirtyRect(x2 + ix, y2 + iy, w, h);
|
|
}
|
|
|
|
void Screen_LoL::copyBlockAndApplyOverlayOutro(int srcPage, int dstPage, const uint8 *ovl) {
|
|
if (!ovl)
|
|
return;
|
|
|
|
const byte *src = getCPagePtr(srcPage);
|
|
byte *dst = getPagePtr(dstPage);
|
|
|
|
for (int y = 0; y < 200; ++y) {
|
|
for (int x = 0; x < 80; ++x) {
|
|
uint32 srcData = READ_LE_UINT32(src); src += 4;
|
|
uint32 dstData = READ_LE_UINT32(dst);
|
|
uint16 offset = 0;
|
|
|
|
offset = ((srcData & 0xFF) << 8) + (dstData & 0xFF);
|
|
*dst++ = ovl[offset];
|
|
|
|
offset = (srcData & 0xFF00) + ((dstData & 0xFF00) >> 8);
|
|
*dst++ = ovl[offset];
|
|
|
|
srcData >>= 16;
|
|
dstData >>= 16;
|
|
|
|
offset = ((srcData & 0xFF) << 8) + (dstData & 0xFF);
|
|
*dst++ = ovl[offset];
|
|
|
|
offset = (srcData & 0xFF00) + ((dstData & 0xFF00) >> 8);
|
|
*dst++ = ovl[offset];
|
|
}
|
|
}
|
|
}
|
|
|
|
void Screen_LoL::fadeToBlack(int delay, const UpdateFunctor *upFunc) {
|
|
Screen::fadeToBlack(delay, upFunc);
|
|
_fadeFlag = 2;
|
|
}
|
|
|
|
void Screen_LoL::fadeToPalette1(int delay) {
|
|
loadSpecialColors(getPalette(1));
|
|
fadePalette(getPalette(1), delay);
|
|
_fadeFlag = 0;
|
|
}
|
|
|
|
void Screen_LoL::loadSpecialColors(Palette &dst) {
|
|
if (_use16ColorMode)
|
|
return;
|
|
|
|
dst.copy(*_screenPalette, 192, 4);
|
|
}
|
|
|
|
void Screen_LoL::copyColor(int dstColorIndex, int srcColorIndex) {
|
|
uint8 *s = _screenPalette->getData() + srcColorIndex * 3;
|
|
uint8 *d = _screenPalette->getData() + dstColorIndex * 3;
|
|
memcpy(d, s, 3);
|
|
|
|
uint8 ci[3];
|
|
ci[0] = (d[0] << 2) | (d[0] & 3);
|
|
ci[1] = (d[1] << 2) | (d[1] & 3);
|
|
ci[2] = (d[2] << 2) | (d[2] & 3);
|
|
|
|
_system->getPaletteManager()->setPalette(ci, dstColorIndex, 1);
|
|
}
|
|
|
|
bool Screen_LoL::fadeColor(int dstColorIndex, int srcColorIndex, uint32 elapsedTicks, uint32 totalTicks) {
|
|
if (_use16ColorMode)
|
|
return false;
|
|
|
|
const uint8 *dst = _screenPalette->getData() + 3 * dstColorIndex;
|
|
const uint8 *src = _screenPalette->getData() + 3 * srcColorIndex;
|
|
uint8 *p = getPalette(1).getData() + 3 * dstColorIndex;
|
|
|
|
bool res = false;
|
|
|
|
int16 srcV = 0;
|
|
int16 dstV = 0;
|
|
int32 outV = 0;
|
|
|
|
uint8 tmpPalEntry[3];
|
|
|
|
for (int i = 0; i < 3; i++) {
|
|
if (elapsedTicks < totalTicks) {
|
|
srcV = *src & 0x3F;
|
|
dstV = *dst & 0x3F;
|
|
|
|
outV = srcV - dstV;
|
|
if (outV)
|
|
res = true;
|
|
|
|
outV = dstV + ((((outV << 8) / (int32)totalTicks) * (int32)elapsedTicks) >> 8);
|
|
} else {
|
|
*p = outV = *src;
|
|
res = false;
|
|
}
|
|
|
|
tmpPalEntry[i] = outV & 0xFF;
|
|
src++;
|
|
dst++;
|
|
p++;
|
|
}
|
|
|
|
_internFadePalette->copy(*_screenPalette);
|
|
_internFadePalette->copy(tmpPalEntry, 0, 1, dstColorIndex);
|
|
setScreenPalette(*_internFadePalette);
|
|
updateScreen();
|
|
|
|
return res;
|
|
}
|
|
|
|
Palette **Screen_LoL::generateFadeTable(Palette **dst, Palette *src1, Palette *src2, int numTabs) {
|
|
int len = _use16ColorMode ? 48 : 768;
|
|
if (!src1)
|
|
src1 = _screenPalette;
|
|
|
|
uint8 *p1 = (*dst++)->getData();
|
|
uint8 *p2 = src1->getData();
|
|
uint8 *p3 = src2->getData();
|
|
uint8 *p4 = p1;
|
|
uint8 *p5 = p2;
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
int8 val = (int8)*p3++ - (int8)*p2++;
|
|
*p4++ = (uint8)val;
|
|
}
|
|
|
|
int16 t = 0;
|
|
int16 d = 256 / numTabs;
|
|
|
|
for (int i = 1; i < numTabs - 1; i++) {
|
|
p2 = p5;
|
|
p3 = p1;
|
|
t += d;
|
|
p4 = (*dst++)->getData();
|
|
|
|
for (int ii = 0; ii < len; ii++) {
|
|
int16 val = (((int8)*p3++ * t) >> 8) + (int8)*p2++;
|
|
*p4++ = (uint8)val;
|
|
}
|
|
}
|
|
|
|
memcpy(p1, p5, len);
|
|
(*dst)->copy(*src2);
|
|
|
|
return ++dst;
|
|
}
|
|
|
|
uint8 Screen_LoL::getShapePaletteSize(const uint8 *shp) {
|
|
return shp[10];
|
|
}
|
|
|
|
void Screen_LoL::mergeOverlay(int x, int y, int w, int h) {
|
|
// For now we convert to 16 colors on overlay merging. If that gives
|
|
// any problems, like Screen functionallity not prepared for the
|
|
// format PC98 16 color uses, we'll need to think of a better way.
|
|
//
|
|
// We must do this before merging the overlay, else the font colors
|
|
// will be wrong.
|
|
if (_use16ColorMode)
|
|
convertPC98Gfx(_sjisOverlayPtrs[0] + y * 640 + x, w, h, 640);
|
|
|
|
Screen_v2::mergeOverlay(x, y, w, h);
|
|
}
|
|
|
|
void Screen_LoL::convertPC98Gfx(uint8 *data, int w, int h, int pitch) {
|
|
while (h--) {
|
|
for (int i = 0; i < w; ++i) {
|
|
*data = (*data >> 4) & (*data & 0x0F);
|
|
++data;
|
|
}
|
|
|
|
data += pitch - w;
|
|
}
|
|
}
|
|
|
|
void Screen_LoL::postProcessCursor(uint8 *data, int w, int h, int pitch) {
|
|
if (!_use16ColorMode)
|
|
return;
|
|
|
|
while (h--) {
|
|
for (int i = 0; i < w; ++i) {
|
|
if (*data != _cursorColorKey)
|
|
*data = (*data >> 4) & (*data & 0x0F);
|
|
++data;
|
|
}
|
|
|
|
data += pitch - w;
|
|
}
|
|
}
|
|
|
|
} // End of namespace Kyra
|
|
|
|
#endif // ENABLE_LOL
|