mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-21 01:08:25 +00:00
689 lines
15 KiB
C++
689 lines
15 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#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 "kyra/resource.h"
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namespace Kyra {
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Screen_LoL::Screen_LoL(LoLEngine *vm, OSystem *system) : Screen_v2(vm, system), _vm(vm) {
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_customDimTable = new ScreenDim*[_screenDimTableCount];
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memset(_customDimTable, 0, sizeof(ScreenDim*) * _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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_curDimIndex = 0;
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_mapDimX = _mapDimY = _mapDimW = _mapDimH = _mapDimDstX = _mapBlockWidth = _mapDimDstY = _mapBlockHeight = _mapDimU5 = _mapDimU6 = _mapBlockWidth2 = _mapDimU8 = 0;
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}
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Screen_LoL::~Screen_LoL() {
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for (int i = 0; i < _screenDimTableCount; i++)
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delete _customDimTable[i];
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delete[] _customDimTable;
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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::setScreenDim(int dim) {
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debugC(9, kDebugLevelScreen, "Screen_LoL::setScreenDim(%d)", dim);
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assert(dim < _screenDimTableCount);
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_curDim = _customDimTable[dim] ? (const ScreenDim *)_customDimTable[dim] : &_screenDimTable[dim];
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_curDimIndex = dim;
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}
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const ScreenDim *Screen_LoL::getScreenDim(int dim) {
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debugC(9, kDebugLevelScreen, "Screen_LoL::getScreenDim(%d)", dim);
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assert(dim < _screenDimTableCount);
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return _customDimTable[dim] ? (const ScreenDim *)_customDimTable[dim] : &_screenDimTable[dim];
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}
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void Screen_LoL::modifyScreenDim(int dim, int x, int y, int w, int h) {
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delete _customDimTable[dim];
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_customDimTable[dim] = new ScreenDim;
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memcpy(_customDimTable[dim], &_screenDimTable[dim], sizeof(ScreenDim));
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_customDimTable[dim]->sx = x;
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_customDimTable[dim]->sy = y;
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_customDimTable[dim]->w = w;
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_customDimTable[dim]->h = h;
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setScreenDim(dim);
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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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debugC(9, kDebugLevelScreen, "Screen_LoL::fprintString('%s', %d, %d, %d, %d, %d, ...)", format, x, y, col1, col2, 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 (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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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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debugC(9, kDebugLevelScreen, "Screen_LoL::fprintStringIntro('%s', %d, %d, %d, %d, %d, %d, ...)", format, x, y, c1, c2, c3, 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::generateGrayOverlay(const uint8 *srcPal, uint8 *grayOverlay, int factor, int addR, int addG, int addB, int lastColor, bool skipSpecialColours) {
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uint8 tmpPal[768];
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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 + 3 * i, srcPal, lastColor, skipSpecialColours);
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}
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uint8 *Screen_LoL::generateLevelOverlay(const uint8 *srcPal, uint8 *ovl, int opColor, int weight) {
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if (!srcPal || !ovl)
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return ovl;
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if (weight > 255)
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weight = 255;
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uint16 r = srcPal[opColor * 3];
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uint16 g = srcPal[opColor * 3 + 1];
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uint16 b = srcPal[opColor * 3 + 2];
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uint8 *d = ovl;
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*d++ = 0;
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for (int i = 1; i != 255; i++) {
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uint16 a = srcPal[i * 3];
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uint8 dr = a - ((((a - r) * (weight >> 1)) << 1) >> 8);
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a = srcPal[i * 3 + 1];
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uint8 dg = a - ((((a - g) * (weight >> 1)) << 1) >> 8);
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a = srcPal[i * 3 + 2];
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uint8 db = a - ((((a - b) * (weight >> 1)) << 1) >> 8);
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int l = opColor;
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int m = 0x7fff;
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int ii = 127;
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int x = 1;
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const uint8 *s = srcPal + 3;
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do {
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if (i == x) {
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s += 3;
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} else {
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int t = *s++ - dr;
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int c = t * t;
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t = *s++ - dg;
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c += (t * t);
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t = *s++ - db;
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c += (t * t);
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if (!c) {
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l = x;
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break;
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}
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if (c <= m) {
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m = c;
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l = x;
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}
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}
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x++;
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} while (--ii);
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*d++ = l & 0xff;
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}
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return ovl;
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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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} else {
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w = 1;
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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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uint8 *tpal = new uint8[768];
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memcpy(tpal, _currentPalette, 768);
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memset(tpal, 0, 384);
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loadSpecialColours(tpal);
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fadePalette(tpal, delay);
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fillRect(112, 0, 288, 120, 0);
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delete[] tpal;
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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::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;
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}
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s += 221;
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d += 44;
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}
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s = getPagePtr(srcPage2Num) + 112;
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d = getPagePtr(dstPageNum) + 0xa584;
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for (int i = 0; i < 120; i++) {
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for (int ii = 0; ii < 14; ii++) {
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uint8 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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uint8 a = *s++;
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*d++ = a;
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*d++ = a;
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s += 305;
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d += 132;
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}
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}
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void Screen_LoL::copyBlockSpecial(int page1, int x1, int y1, int page2, int x2, int y2, int w, int h, int dim, uint8 *ovl) {
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if (!w || !h || !ovl)
|
|
return;
|
|
|
|
const ScreenDim *cdim = getScreenDim(dim);
|
|
_mapDimX = cdim->sx << 3;
|
|
_mapDimY = cdim->sy;
|
|
_mapDimW = cdim->w << 3;
|
|
_mapDimH = cdim->h;
|
|
|
|
calcMapBoundaries(x2, y2, w, h);
|
|
if (_mapBlockWidth == -1)
|
|
return;
|
|
|
|
uint8 *src = getPagePtr(page1) + y1 * 320 + x1;
|
|
uint8 *dst = getPagePtr(page2) + (_mapDimDstY + _mapDimY) * 320;
|
|
|
|
for (int i = 0; i < _mapBlockHeight; i++) {
|
|
uint8 *s = src + _mapDimU5;
|
|
uint8 *d = dst + (_mapDimDstX + _mapDimX);
|
|
|
|
for (int ii = 0; ii < _mapBlockWidth; ii++) {
|
|
uint8 p = ovl[*s++];
|
|
if (p)
|
|
*d = p;
|
|
d++;
|
|
}
|
|
|
|
dst += 320;
|
|
src += 320;
|
|
}
|
|
|
|
addDirtyRect(_mapDimDstX + _mapDimX, _mapDimDstY + _mapDimY, _mapBlockWidth, _mapBlockHeight);
|
|
}
|
|
|
|
void Screen_LoL::calcMapBoundaries(int dstX, int dstY, int width, int height) {
|
|
_mapBlockWidth = _mapBlockWidth2 = width;
|
|
_mapBlockHeight = height;
|
|
_mapDimDstX = dstX;
|
|
_mapDimDstY = dstY;
|
|
|
|
_mapDimU5 = _mapDimU6 = _mapDimU8 = 0;
|
|
|
|
int t = _mapDimDstX + _mapBlockWidth;
|
|
if (t <= 0) {
|
|
_mapBlockWidth = _mapBlockHeight = -1;
|
|
return;
|
|
}
|
|
|
|
if (t <= _mapDimDstX) {
|
|
_mapDimU5 = _mapBlockWidth - t;
|
|
_mapBlockWidth = t;
|
|
_mapDimDstX = 0;
|
|
}
|
|
|
|
t = _mapDimW - _mapDimDstX;
|
|
if (t <= 0) {
|
|
_mapBlockWidth = _mapBlockHeight = -1;
|
|
return;
|
|
}
|
|
|
|
if (t <= _mapBlockWidth)
|
|
_mapBlockWidth = t;
|
|
|
|
_mapBlockWidth2 -= _mapBlockWidth;
|
|
|
|
t = _mapDimDstY + _mapBlockHeight;
|
|
if (t <= 0) {
|
|
_mapBlockWidth = _mapBlockHeight = -1;
|
|
return;
|
|
}
|
|
|
|
if (t <= _mapDimDstY) {
|
|
_mapDimU6 = _mapBlockHeight - t;
|
|
_mapBlockHeight = t;
|
|
_mapDimDstY = 0;
|
|
}
|
|
|
|
t = _mapDimH - _mapDimDstY;
|
|
if (t <= 0) {
|
|
_mapBlockWidth = _mapBlockHeight = -1;
|
|
return;
|
|
}
|
|
|
|
if (t <= _mapBlockHeight)
|
|
_mapBlockHeight = t;
|
|
}
|
|
|
|
void Screen_LoL::fadeToBlack(int delay, const UpdateFunctor *upFunc) {
|
|
Screen::fadeToBlack(delay, upFunc);
|
|
_fadeFlag = 2;
|
|
}
|
|
|
|
void Screen_LoL::loadSpecialColours(uint8 *destPalette) {
|
|
memcpy(destPalette + 0x240, _screenPalette + 0x240, 12);
|
|
}
|
|
|
|
void Screen_LoL::copyColour(int dstColourIndex, int srcColourIndex) {
|
|
uint8 *s = _screenPalette + srcColourIndex * 3;
|
|
uint8 *d = _screenPalette + dstColourIndex * 3;
|
|
memcpy(d, s, 3);
|
|
|
|
uint8 ci[4];
|
|
ci[0] = (d[0] << 2) | (d[0] & 3);
|
|
ci[1] = (d[1] << 2) | (d[1] & 3);
|
|
ci[2] = (d[2] << 2) | (d[2] & 3);
|
|
ci[3] = 0;
|
|
|
|
_system->setPalette(ci, dstColourIndex, 1);
|
|
}
|
|
|
|
bool Screen_LoL::fadeColour(int dstColourIndex, int srcColourIndex, uint32 elapsedTime, uint32 targetTime) {
|
|
uint8 *dst = _screenPalette + 3 * dstColourIndex;
|
|
uint8 *src = _screenPalette + 3 * srcColourIndex;
|
|
uint8 *p = getPalette(1) + 3 * dstColourIndex;
|
|
|
|
bool res = false;
|
|
|
|
int16 t1 = 0;
|
|
int16 t2 = 0;
|
|
int32 t3 = 0;
|
|
|
|
uint8 tmpPalEntry[3];
|
|
|
|
for (int i = 0; i < 3; i++) {
|
|
if (elapsedTime < targetTime) {
|
|
t1 = *src & 0x3f;
|
|
t2 = *dst & 0x3f;
|
|
|
|
t3 = t1 - t2;
|
|
if (t3)
|
|
res = true;
|
|
|
|
t3 = (((t3 << 8) / (int)targetTime) * (int)elapsedTime) >> 8;
|
|
t3 = t2 + t3;
|
|
} else {
|
|
t1 = *dst & 0x3f;
|
|
*p = t3 = t1;
|
|
res = false;
|
|
}
|
|
|
|
tmpPalEntry[i] = t3 & 0xff;
|
|
src++;
|
|
dst++;
|
|
p++;
|
|
}
|
|
|
|
uint8 tpal[768];
|
|
memcpy(tpal, _screenPalette, 768);
|
|
memcpy(tpal + dstColourIndex * 3, tmpPalEntry, 3);
|
|
setScreenPalette(tpal);
|
|
updateScreen();
|
|
|
|
return res;
|
|
}
|
|
|
|
uint8 Screen_LoL::getShapePaletteSize(const uint8 *shp) {
|
|
debugC(9, kDebugLevelScreen, "Screen_LoL::getShapePaletteSize(%p)", (const void *)shp);
|
|
|
|
return shp[10];
|
|
}
|
|
|
|
} // end of namespace Kyra
|
|
|
|
#endif // ENABLE_LOL
|
|
|