scummvm/engines/scumm/he/palette_he.cpp
2011-05-12 01:16:22 +02:00

391 lines
11 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifdef ENABLE_HE
#include "common/system.h"
#include "graphics/palette.h"
#include "scumm/scumm.h"
#include "scumm/he/intern_he.h"
#include "scumm/resource.h"
#include "scumm/util.h"
namespace Scumm {
void ScummEngine_v71he::remapHEPalette(const uint8 *src, uint8 *dst) {
int r, g, b, sum, bestitem, bestsum;
int ar, ag, ab;
uint8 *palPtr;
src += 30;
if (_game.heversion >= 99) {
palPtr = _hePalettes + _hePaletteSlot + 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 * _hePaletteSlot;
} else {
return _hePalettes + _hePaletteSlot;
}
}
int ScummEngine_v90he::getHEPaletteSimilarColor(int palSlot, int red, int green, int start, int end) {
assertRange(1, palSlot, _numPalettes, "palette");
assertRange(0, start, 255, "start palette slot");
assertRange(0, end, 255, "pend alette slot");
uint8 *pal = _hePalettes + palSlot * _hePaletteSlot + start * 3;
int bestsum = 0x7FFFFFFF;
int bestitem = start;
for (int i = start; i <= end; i++) {
int dr = red - pal[0];
int dg = green - pal[1];
int sum = dr * dr + dg * dg * 2;
if (sum == 0) {
return i;
}
if (sum < bestsum) {
bestsum = sum;
bestitem = i;
}
pal += 3;
}
return bestitem;
}
int ScummEngine_v90he::getHEPalette16BitColorComponent(int component, int type) {
uint16 col;
if (type == 2) {
col = (((component & 0xFFFF) >> 0) & 0x1F) << 3;
} else if (type == 1) {
col = (((component & 0xFFFF) >> 5) & 0x1F) << 3;
} else {
col = (((component & 0xFFFF) >> 10) & 0x1F) << 3;
}
return col;
}
int ScummEngine_v90he::getHEPaletteColorComponent(int palSlot, int color, int component) {
assertRange(1, palSlot, _numPalettes, "palette");
assertRange(0, color, 255, "palette slot");
return _hePalettes[palSlot * _hePaletteSlot + color * 3 + component % 3];
}
int ScummEngine_v90he::getHEPaletteColor(int palSlot, int color) {
assertRange(1, palSlot, _numPalettes, "palette");
assertRange(0, color, 255, "palette slot");
if (_game.features & GF_16BIT_COLOR)
return READ_LE_UINT16(_hePalettes + palSlot * _hePaletteSlot + 768 + color * 2);
else
return _hePalettes[palSlot * _hePaletteSlot + 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);
assertRange(1, palSlot, _numPalettes, "palette");
uint8 *p = _hePalettes + palSlot * _hePaletteSlot + color * 3;
*(p + 0) = r;
*(p + 1) = g;
*(p + 2) = b;
if (_game.features & GF_16BIT_COLOR) {
WRITE_LE_UINT16(_hePalettes + palSlot * _hePaletteSlot + 768 + color * 2, get16BitColor(r, g, b));
} else {
_hePalettes[palSlot * _hePaletteSlot + 768 + color] = color;
}
}
void ScummEngine_v90he::setHEPaletteFromPtr(int palSlot, const uint8 *palData) {
assertRange(1, palSlot, _numPalettes, "palette");
uint8 *pc = _hePalettes + palSlot * _hePaletteSlot;
uint8 *pi = pc + 768;
if (_game.features & GF_16BIT_COLOR) {
for (int i = 0; i < 256; ++i) {
uint8 r = *pc++ = *palData++;
uint8 g = *pc++ = *palData++;
uint8 b = *pc++ = *palData++;
WRITE_LE_UINT16(pi, get16BitColor(r, g, b)); pi += 2;
}
} else {
for (int i = 0; i < 256; ++i) {
*pc++ = *palData++;
*pc++ = *palData++;
*pc++ = *palData++;
*pi++ = i;
}
}
int i;
uint8 *palPtr = _hePalettes + palSlot * _hePaletteSlot + 768;
if (_game.features & GF_16BIT_COLOR) {
for (i = 0; i < 10; ++i)
WRITE_LE_UINT16(palPtr + i * 2, i);
for (i = 246; i < 256; ++i)
WRITE_LE_UINT16(palPtr + i * 2, i);
} else {
for (i = 0; i < 10; ++i)
*(palPtr + i) = i;
for (i = 246; i < 256; ++i)
*(palPtr + i) = i;
}
}
void ScummEngine_v90he::setHEPaletteFromCostume(int palSlot, int resId) {
debug(7, "setHEPaletteFromCostume(%d, %d)", palSlot, resId);
assertRange(1, palSlot, _numPalettes, "palette");
const uint8 *data = getResourceAddress(rtCostume, resId);
assert(data);
const uint8 *rgbs = findResourceData(MKTAG('R','G','B','S'), 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);
assertRange(1, palSlot, _numPalettes, "palette");
uint8 *data = getResourceAddress(rtImage, resId);
assert(data);
const uint8 *rgbs = findWrappedBlock(MKTAG('R','G','B','S'), data, state, 0);
if (rgbs)
setHEPaletteFromPtr(palSlot, rgbs);
}
void ScummEngine_v90he::setHEPaletteFromRoom(int palSlot, int resId, int state) {
debug(7, "setHEPaletteFromRoom(%d, %d, %d)", palSlot, resId, state);
assertRange(1, palSlot, _numPalettes, "palette");
const uint8 *data = getResourceAddress(rtRoom, resId);
assert(data);
const uint8 *pals = findResourceData(MKTAG('P','A','L','S'), 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);
assertRange(1, palSlot, _numPalettes, "palette");
if (palSlot != 1) {
memcpy(_hePalettes + palSlot * _hePaletteSlot, _hePalettes + _hePaletteSlot, _hePaletteSlot);
}
}
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 * _hePaletteSlot, _hePalettes + srcPalSlot * _hePaletteSlot, _hePaletteSlot);
}
}
void ScummEngine_v90he::copyHEPaletteColor(int palSlot, uint8 dstColor, uint16 srcColor) {
debug(7, "copyHEPaletteColor(%d, %d, %d)", palSlot, dstColor, srcColor);
assertRange(1, palSlot, _numPalettes, "palette");
uint8 *dstPal = _hePalettes + palSlot * _hePaletteSlot + dstColor * 3;
uint8 *srcPal = _hePalettes + _hePaletteSlot + srcColor * 3;
if (_game.features & GF_16BIT_COLOR) {
dstPal[0] = (srcColor >> 10) << 3;
dstPal[1] = (srcColor >> 5) << 3;
dstPal[2] = (srcColor >> 0) << 3;
WRITE_LE_UINT16(_hePalettes + palSlot * _hePaletteSlot + 768 + dstColor * 2, srcColor);
} else {
memcpy(dstPal, srcPal, 3);
_hePalettes[palSlot * _hePaletteSlot + 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;
}
assertRange(0, numcolor, 256, "setPaletteFromPtr: numcolor");
dest = _hePalettes + _hePaletteSlot;
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;
if (_game.features & GF_16BIT_COLOR) {
WRITE_LE_UINT16(_hePalettes + 2048 + i * 2, get16BitColor(r, g, b));
} else {
_hePalettes[1792 + i] = i;
}
} else {
dest += 3;
}
}
memcpy(_hePalettes, _hePalettes + _hePaletteSlot, 768);
if (_game.features & GF_16BIT_COLOR) {
for (i = 0; i < 10; ++i)
WRITE_LE_UINT16(_hePalettes + 2048 + i * 2, i);
for (i = 246; i < 256; ++i)
WRITE_LE_UINT16(_hePalettes + 2048 + i * 2, i);
} else {
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) {
uint8 *src, *dst;
int j, r, g, b;
src = _hePalettes + startColor * 3;
dst = _hePalettes + _hePaletteSlot + startColor * 3;
for (j = startColor; j <= endColor; j++) {
r = *src++;
r = r * redScale / 0xFF;
if (r > 255)
r = 255;
*dst++ = r;
g = *src++;
g = g * greenScale / 0xFF;
if (g > 255)
g = 255;
*dst++ = g;
b = *src++;
b = b * blueScale / 0xFF;
if (b > 255)
b = 255;
*dst++ = b;
if (_game.features & GF_16BIT_COLOR) {
WRITE_LE_UINT16(_hePalettes + 2048 + j * 2, get16BitColor(r, g, b));
} else {
_hePalettes[1792 + 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[_hePaletteSlot + dst * 3];
sp = &_hePalettes[_hePaletteSlot + src * 3];
dp[0] = sp[0];
dp[1] = sp[1];
dp[2] = sp[2];
if (_game.features & GF_16BIT_COLOR) {
WRITE_LE_UINT16(_hePalettes + 2048 + dst * 2, get16BitColor(sp[0], sp[1], sp[2]));
} else {
_hePalettes[1792 + dst] = dst;
}
setDirtyColors(dst, dst);
}
void ScummEngine_v99he::setPalColor(int idx, int r, int g, int b) {
_hePalettes[_hePaletteSlot + idx * 3 + 0] = r;
_hePalettes[_hePaletteSlot + idx * 3 + 1] = g;
_hePalettes[_hePaletteSlot + idx * 3 + 2] = b;
if (_game.features & GF_16BIT_COLOR) {
WRITE_LE_UINT16(_hePalettes + 2048 + idx * 2, get16BitColor(r, g, b));
} else {
_hePalettes[1792 + idx] = idx;
}
setDirtyColors(idx, idx);
}
void ScummEngine_v99he::updatePalette() {
if (_game.features & GF_16BIT_COLOR)
return;
if (_palDirtyMax == -1)
return;
int num = _palDirtyMax - _palDirtyMin + 1;
_system->getPaletteManager()->setPalette(_hePalettes + 1024 + _palDirtyMin * 3, _palDirtyMin, num);
_palDirtyMax = -1;
_palDirtyMin = 256;
}
} // End of namespace Scumm
#endif // ENABLE_HE