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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2005 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "common/system.h"
#include "common/util.h"
#include "scumm/scumm.h"
#include "scumm/intern.h"
#include "scumm/resource.h"
namespace Scumm {
void ScummEngine_v72he::remapPalette(uint8 *src, uint8 *dst) {
int r, g, b, sum, bestitem, bestsum;
int ar, ag, ab;
uint8 *palPtr;
src += 30;
if (_heversion >= 99) {
palPtr = _hePalettes + 1024 + 30;
} else {
palPtr = _currentPalette + 30;
}
for (int j = 10; j < 246; j++) {
bestitem = 0xFFFF;
bestsum = 0xFFFF;
r = *src++;
g = *src++;
b = *src++;
uint8 *curPal = palPtr;
for (int k = 10; k < 246; k++) {
ar = r - *curPal++;
ag = g - *curPal++;
ab = b - *curPal++;
sum = (ar * ar) + (ag * ag) + (ab * ab);
if (bestitem == 0xFFFF || sum <= bestsum) {
bestitem = k;
bestsum = sum;
}
}
dst[j] = bestitem;
}
}
uint8 *ScummEngine_v90he::getHEPaletteIndex(int palSlot) {
if (palSlot) {
assert(palSlot >= 1 && palSlot <= _numPalettes);
return _hePalettes + palSlot * 1024;
} else {
return _hePalettes + 1024;
}
}
int ScummEngine_v90he::getHEPaletteColor(int palSlot, int color) {
assert(palSlot >= 1 && palSlot <= _numPalettes);
assert(color >= 1 && color <= 255);
return _hePalettes[palSlot * 1024 + 768 + color];
}
void ScummEngine_v90he::setHEPaletteColor(int palSlot, uint8 color, uint8 r, uint8 g, uint8 b) {
debug(7, "setHEPaletteColor(%d, %d, %d, %d, %d)", palSlot, color, r, g, b);
assert(palSlot >= 1 && palSlot <= _numPalettes);
uint8 *p = _hePalettes + palSlot * 1024 + color * 3;
*(p + 0) = r;
*(p + 1) = g;
*(p + 2) = b;
_hePalettes[palSlot * 1024 + 768 + color] = color;
}
void ScummEngine_v90he::setHEPaletteFromPtr(int palSlot, const uint8 *palData) {
assert(palSlot >= 1 && palSlot <= _numPalettes);
uint8 *pc = _hePalettes + palSlot * 1024;
uint8 *pi = pc + 768;
for (int i = 0; i < 256; ++i) {
*pc++ = *palData++;
*pc++ = *palData++;
*pc++ = *palData++;
*pi++ = i;
}
}
void ScummEngine_v90he::setHEPaletteFromCostume(int palSlot, int resId) {
debug(7, "setHEPaletteFromCostume(%d, %d)", palSlot, resId);
assert(palSlot >= 1 && palSlot <= _numPalettes);
const uint8 *data = getResourceAddress(rtCostume, resId);
assert(data);
const uint8 *rgbs = findResourceData(MKID('RGBS'), data);
assert(rgbs);
setHEPaletteFromPtr(palSlot, rgbs);
}
void ScummEngine_v90he::setHEPaletteFromImage(int palSlot, int resId, int state) {
debug(7, "setHEPaletteFromImage(%d, %d, %d)", palSlot, resId, state);
assert(palSlot >= 1 && palSlot <= _numPalettes);
uint8 *data = getResourceAddress(rtImage, resId);
assert(data);
const uint8 *rgbs = findWrappedBlock(MKID('RGBS'), data, state, 0);
assert(rgbs);
setHEPaletteFromPtr(palSlot, rgbs);
}
void ScummEngine_v90he::setHEPaletteFromRoom(int palSlot, int resId, int state) {
debug(7, "setHEPaletteFromRoom(%d, %d, %d)", palSlot, resId, state);
assert(palSlot >= 1 && palSlot <= _numPalettes);
const uint8 *data = getResourceAddress(rtRoom, resId);
assert(data);
const uint8 *pals = findResourceData(MKID('PALS'), data);
assert(pals);
const uint8 *rgbs = findPalInPals(pals, state);
assert(rgbs);
setHEPaletteFromPtr(palSlot, rgbs);
}
void ScummEngine_v90he::restoreHEPalette(int palSlot) {
debug(7, "restoreHEPalette(%d)", palSlot);
assert(palSlot >= 1 && palSlot <= _numPalettes);
if (palSlot != 1) {
memcpy(_hePalettes + palSlot * 1024, _hePalettes + 1024, 1024);
}
}
void ScummEngine_v90he::copyHEPalette(int dstPalSlot, int srcPalSlot) {
debug(7, "copyHEPalette(%d, %d)", dstPalSlot, srcPalSlot);
assert(dstPalSlot >= 1 && dstPalSlot <= _numPalettes);
assert(srcPalSlot >= 1 && srcPalSlot <= _numPalettes);
if (dstPalSlot != srcPalSlot) {
memcpy(_hePalettes + dstPalSlot * 1024, _hePalettes + srcPalSlot * 1024, 1024);
}
}
void ScummEngine_v90he::copyHEPaletteColor(int palSlot, uint8 dstColor, uint8 srcColor) {
debug(7, "copyHEPaletteColor(%d, %d, %d)", palSlot, dstColor, srcColor);
assert(palSlot >= 1 && palSlot + 1 <= _numPalettes);
uint8 *dstPal = _hePalettes + palSlot * 1024 + dstColor * 3;
const uint8 *srcPal = _hePalettes + (palSlot + 1) * 1024 + srcColor * 3;
memcpy(dstPal, srcPal, 3);
_hePalettes[palSlot * 1024 + 768 + dstColor] = srcColor;
}
void ScummEngine_v99he::setPaletteFromPtr(const byte *ptr, int numcolor) {
int i;
byte *dest, r, g, b;
if (numcolor < 0) {
numcolor = getResourceDataSize(ptr) / 3;
}
checkRange(256, 0, numcolor, "Too many colors (%d) in Palette");
dest = _hePalettes + 1024;
for (i = 0; i < numcolor; i++) {
r = *ptr++;
g = *ptr++;
b = *ptr++;
if (i <= 15 || r < 252 || g < 252 || b < 252) {
*dest++ = r;
*dest++ = g;
*dest++ = b;
_hePalettes[1792 + i] = i;
} else {
dest += 3;
}
}
memcpy(_hePalettes, _hePalettes + 1024, 768);
for (i = 0; i < 10; ++i)
_hePalettes[1792 + i] = i;
for (i = 246; i < 256; ++i)
_hePalettes[1792 + i] = i;
setDirtyColors(0, numcolor - 1);
}
void ScummEngine_v99he::darkenPalette(int redScale, int greenScale, int blueScale, int startColor, int endColor) {
if (startColor <= endColor) {
uint8 *src, *dest;
int color, j;
for (j = startColor; j <= endColor; j++) {
src = _hePalettes + j * 3;
dest = src + 1024;
color = *src++;
color = color * redScale / 0xFF;
if (color > 255)
color = 255;
*dest++ = color;
color = *src++;
color = color * greenScale / 0xFF;
if (color > 255)
color = 255;
*dest++ = color;
color = *src++;
color = color * blueScale / 0xFF;
if (color > 255)
color = 255;
*dest++ = color;
_hePalettes[1768 + startColor + j] = j;
setDirtyColors(j, endColor);
}
}
}
void ScummEngine_v99he::copyPalColor(int dst, int src) {
byte *dp, *sp;
if ((uint) dst >= 256 || (uint) src >= 256)
error("copyPalColor: invalid values, %d, %d", dst, src);
dp = &_hePalettes[1024 + dst * 3];
sp = &_hePalettes[1024 + src * 3];
dp[0] = sp[0];
dp[1] = sp[1];
dp[2] = sp[2];
_hePalettes[1792 + dst] = dst;
setDirtyColors(dst, dst);
}
void ScummEngine_v99he::setPalColor(int idx, int r, int g, int b) {
_hePalettes[1024 + idx * 3 + 0] = r;
_hePalettes[1024 + idx * 3 + 1] = g;
_hePalettes[1024 + idx * 3 + 2] = b;
_hePalettes[1792 + idx] = idx;
setDirtyColors(idx, idx);
}
void ScummEngine_v99he::updatePalette() {
if (_palDirtyMax == -1)
return;
int num = _palDirtyMax - _palDirtyMin + 1;
int i;
byte palette_colors[1024];
byte *p = palette_colors;
for (i = _palDirtyMin; i <= _palDirtyMax; i++) {
byte *data = _hePalettes + 1024 + i * 3;
*p++ = data[0];
*p++ = data[1];
*p++ = data[2];
*p++ = 0;
}
_system->setPalette(palette_colors, _palDirtyMin, num);
_palDirtyMax = -1;
_palDirtyMin = 256;
}
} // End of namespace Scumm
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