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screen_eob.cpp
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screen_eob.cpp
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/* 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.
*
*/
#if !defined(ENABLE_EOB)
#include "kyra/screen.h"
#endif
#ifdef ENABLE_EOB
#include "kyra/eobcommon.h"
#include "kyra/resource.h"
#include "common/system.h"
#include "graphics/cursorman.h"
namespace Kyra {
Screen_Eob::Screen_Eob(EobCoreEngine *vm, OSystem *system) : Screen(vm, system) {
_shapeFadeMode[0] = _shapeFadeMode[1] = 0;
_shapeFadeInternal = 0;
_fadeData = 0;
_fadeDataIndex = 0;
_dsX1 = _dsX2 = _dsY1 = _dsY2 = 0;
_gfxX = _gfxY = 0;
_gfxCol = 0;
_customDimTable = 0;
_dsTempPage = 0;
_curDimIndex = 0;
_dsDiv = 0;
_dsRem = 0;
_dsScaleTmp = 0;
_gfxMaxY = 0;
}
Screen_Eob::~Screen_Eob() {
delete[] _fadeData;
if (_customDimTable) {
for (int i = 0; i < _screenDimTableCount; i++)
delete _customDimTable[i];
}
delete[] _customDimTable;
delete[] _dsTempPage;
}
bool Screen_Eob::init() {
if (Screen::init()) {
_customDimTable = new ScreenDim*[_screenDimTableCount];
memset(_customDimTable, 0, sizeof(ScreenDim*) * _screenDimTableCount);
int temp;
_gfxMaxY = _vm->staticres()->loadRawData(kEobBaseExpObjectY, temp);
_fadeData = _vm->resource()->fileData("FADING.DAT", 0);
if (!_fadeData) {
_fadeData = new uint8[0x700];
memset(_fadeData, 0, 0x700);
uint8 *pal = _vm->resource()->fileData("palette1.pal", 0); // EGA: palette0.pal
for (int i = 0; i < 7; i++)
createFadeTable(pal, &_fadeData[i << 8], 18, (i + 1) * 36);
delete[] pal;
}
_dsTempPage = new uint8[6000];
return true;
}
return false;
}
void Screen_Eob::setScreenDim(int dim) {
assert(dim < _screenDimTableCount);
_curDim = _customDimTable[dim] ? (const ScreenDim *)_customDimTable[dim] : &_screenDimTable[dim];
_curDimIndex = dim;
}
const ScreenDim *Screen_Eob::getScreenDim(int dim) {
assert(dim < _screenDimTableCount);
return _customDimTable[dim] ? (const ScreenDim *)_customDimTable[dim] : &_screenDimTable[dim];
}
void Screen_Eob::modifyScreenDim(int dim, int x, int y, int w, int h) {
if (!_customDimTable[dim])
_customDimTable[dim] = new ScreenDim;
memcpy(_customDimTable[dim], &_screenDimTable[dim], sizeof(ScreenDim));
_customDimTable[dim]->sx = x;
_customDimTable[dim]->sy = y;
_customDimTable[dim]->w = w;
_customDimTable[dim]->h = h;
if (dim == _curDimIndex)
setScreenDim(dim);
}
void Screen_Eob::setClearScreenDim(int dim) {
setScreenDim(dim);
clearCurDim();
}
void Screen_Eob::clearCurDim() {
fillRect(_curDim->sx << 3, _curDim->sy, ((_curDim->sx + _curDim->w) << 3) - 1, (_curDim->sy + _curDim->h) - 1, _curDim->unkA);
}
void Screen_Eob::setMouseCursor(int x, int y, const byte *shape) {
if (!shape)
return;
int mouseW = shape[2] << 3;
int mouseH = shape[3];
uint8 *cursor = new uint8[mouseW * mouseH];
fillRect(0, 0, mouseW, mouseH, _cursorColorKey, 8);
drawShape(8, shape, 0, 0, 0);
CursorMan.showMouse(false);
copyRegionToBuffer(8, 0, 0, mouseW, mouseH, cursor);
CursorMan.replaceCursor(cursor, mouseW, mouseH, x, y, _cursorColorKey);
if (isMouseVisible())
CursorMan.showMouse(true);
delete[] cursor;
// makes sure that the cursor is drawn
// we do not use Screen::updateScreen here
// so we can be sure that changes to page 0
// are NOT updated on the real screen here
_system->updateScreen();
}
void Screen_Eob::loadFileDataToPage(Common::SeekableReadStream *s, int pageNum, uint32 size) {
s->read(_pagePtrs[pageNum], size);
}
void Screen_Eob::printShadedText(const char *string, int x, int y, int col1, int col2) {
printText(string, x - 1, y, 12, col2);
printText(string, x, y + 1, 12, 0);
printText(string, x - 1, y + 1, 12, 0);
printText(string, x, y, col1, 0);
}
void Screen_Eob::loadShapeSetBitmap(const char *file, int tempPage, int destPage) {
loadEobBitmap(file, 0, tempPage, destPage, -1);
_curPage = 2;
}
void Screen_Eob::loadEobBitmap(const char *file, const uint8 *ditheringData, int tempPage, int destPage, int copyToPage) {
Common::String tmp = Common::String::format("%s.CPS", file);
Common::SeekableReadStream *s = _vm->resource()->createReadStream(tmp);
bool loadAlternative = false;
if (s) {
// This additional check is necessary since some localized versions of EOB II seem to contain invalid (size zero) cps files
if (s->size())
loadBitmap(tmp.c_str(), tempPage, destPage, 0);
else
loadAlternative = true;
delete s;
} else {
loadAlternative = true;
}
if (loadAlternative) {
if (_vm->game() == GI_EOB1) {
tmp.insertChar('1', tmp.size() - 4);
loadBitmap(tmp.c_str(), tempPage, destPage, 0);
} else {
tmp.setChar('X', 0);
s = _vm->resource()->createReadStream(tmp);
if (!s)
error("Screen_Eob::loadEobBitmap(): CPS file loading failed.");
s->seek(768);
loadFileDataToPage(s, destPage, 64000);
delete s;
}
}
if (copyToPage == -1) {
return;
} else if (copyToPage == 0) {
copyPage(destPage, 2);
copyRegion(0, 0, 0, 0, 320, 200, 2, 0, Screen::CR_NO_P_CHECK);
} else {
copyPage(destPage, copyToPage);
}
}
uint8 *Screen_Eob::encodeShape(uint16 x, uint16 y, uint16 w, uint16 h, bool no4bitEncoding) {
uint8 *shp = 0;
uint16 shapesize = 0;
uint8 *srcPage = getPagePtr(_curPage) + y * 320 + (x << 3);
uint8 *src = srcPage;
if (no4bitEncoding) {
uint16 h1 = h;
while (h1--) {
uint8 *lineEnd = src + (w << 3);
do {
if (!*src++) {
shapesize++;
uint8 *startZeroPos = src;
while (src != lineEnd && *src == 0)
src++;
uint16 numZero = src - startZeroPos + 1;
if (numZero >> 8)
shapesize += 2;
}
shapesize++;
} while (src != lineEnd);
srcPage += 320;
src = srcPage;
}
shapesize += 4;
shp = new uint8[shapesize];
memset (shp, 0, shapesize);
uint8 *dst = shp;
*dst++ = 0;
*dst++ = (h & 0xff);
*dst++ = (w & 0xff);
*dst++ = (h & 0xff);
srcPage = getPagePtr(_curPage) + y * 320 + (x << 3);
src = srcPage;
h1 = h;
while (h1--) {
uint8 *lineEnd = src + (w << 3);
do {
uint8 val = *src++;
if (!val) {
*dst++ = 0;
uint8 *startZeroPos = src;
while (src != lineEnd && *src == 0)
src++;
uint16 numZero = src - startZeroPos + 1;
if (numZero >> 8) {
*dst++ = 255;
*dst++ = 0;
numZero -= 255;
}
val = numZero & 0xff;
}
*dst++ = val;
} while (src != lineEnd);
srcPage += 320;
src = srcPage;
}
} else {
uint8 nib = 0, col = 0;
uint8 *colorMap = new uint8[0x100];
memset (colorMap, 0xff, 0x100);
shapesize = h * (w << 2) + 20;
shp = new uint8[shapesize];
memset (shp, 0, shapesize);
uint8 *dst = shp;
*dst++ = 1;
*dst++ = (h & 0xff);
*dst++ = (w & 0xff);
*dst++ = (h & 0xff);
memset (dst, 0xff, 0x10);
uint8 *pal = dst;
dst += 0x10;
srcPage = getPagePtr(_curPage) + y * 320 + (x << 3);
src = srcPage;
nib = col = 0;
uint16 h1 = h;
while (h1--) {
uint16 w1 = w << 3;
while (w1--) {
uint8 s = *src++;
uint8 c = colorMap[s];
if (c == 0xff) {
if (col < 0x10) {
*pal++ = s;
c = colorMap[s] = col++;
if (!col)
c = 0;
} else {
c = 0;
}
}
if(++nib & 1) {
*dst = c << 4;
} else {
*dst++ |= c;
}
}
srcPage += 320;
src = srcPage;
}
delete [] colorMap;
}
return shp;
}
void Screen_Eob::drawShape(uint8 pageNum, const uint8 *shapeData, int x, int y, int sd, int flags, ...) {
uint8 *dst = getPagePtr(pageNum);
const uint8 *src = shapeData;
if (!src)
return;
va_list args;
va_start(args, flags);
uint8 *ovl = (flags & 2) ? va_arg(args, uint8*) : 0;
va_end(args);
if (sd != -1) {
const ScreenDim *dm = getScreenDim(sd);
setShapeFrame(dm->sx, dm->sy, dm->sx + dm->w, dm->sy + dm->h);
x += (_dsX1 << 3);
y += _dsY1;
}
dst += (_dsX1 << 3);
int16 dX = x - (_dsX1 << 3);
int16 dY = y;
int16 dW = _dsX2 - _dsX1;
uint8 flag = *src++;
uint16 dH = *src++;
uint16 width = (*src++) << 3;
src++;
int rX = x;
int rY = y;
int rW = width + 8;
int rH = dH;
uint16 w2 = width;
int d = dY - _dsY1;
int pixelStep = (flags & 1) ? -1 : 1;
if (flag) {
const uint8 *pal = ovl ? ovl : src;
src += 16;
if (d < 0) {
d = -d;
if (d >= dH)
return;
src += (d * (width >> 1));
d = dY + dH - _dsY1;
if (d >=0) {
dH = d;
dY = _dsY1;
d = _dsY2 - dY;
}
} else {
d = _dsY2 - dY;
}
if (d < 1)
return;
if (d < dH)
dH = d;
int16 cnt1 = 0;
int16 cnt2 = 0;
int16 dXbit1 = dX & 1;
if (dX < 0) {
width += dX;
d = -dX;
if (flags & 1)
src -= (d >> 1);
else
src += (d >> 1);
if (d >= w2)
return;
dX = 0;
cnt1++;
}
d = (dW << 3) - dX;
if (d < 1)
return;
if (d < width) {
width = d;
cnt2++;
}
dst += (dY * 320 + dX);
if (pageNum == 0 || pageNum == 1)
addDirtyRect(rX, rY, rW, rH);
int w3 = w2;
dY = 320 - width;
width >>= 1;
w2 >>= 1;
if (flags & 1)
src += (w2 - 1);
int16 w1shr = width;
if (cnt1 && (dXbit1 & 1)) {
w1shr++;
w2++;
if (!cnt2)
dY += 2;
}
if (cnt2 && (dXbit1 & 1))
w1shr++;
int lineSrcStep = (w2 - w1shr);
if (flags & 1)
lineSrcStep = w3 - lineSrcStep;
while (dH--) {
int16 hpos = width;
uint8 col = 0;
uint8 b = 0;
uint8 nextloop = 0;
if (cnt1 && dXbit1) {
if (!hpos)
return;
b = *src;
src += pixelStep;
nextloop = 2;
} else {
nextloop = hpos ? 1 : 3;
}
while (nextloop) {
switch (nextloop) {
case 1:
b = *src;
src += pixelStep;
col = pal[(flags & 1) ? (b & 0x0f) : (b >> 4)];
if (col)
drawShapeSetPixel(dst, col);
dst++;
case 2:
col = pal[(flags & 1) ? (b >> 4) : (b & 0x0f)];
if (!col) {
nextloop = 4;
break;
}
drawShapeSetPixel(dst++, col);
nextloop = --hpos ? 1 : 3;
break;
case 3:
if (cnt2 && dXbit1) {
col = pal[(flags & 1) ? (*src & 0x0f) : (*src >> 4)];
src += pixelStep;
if (col)
drawShapeSetPixel(dst, col);
dst++;
}
src += lineSrcStep;
dst += dY;
nextloop = 0;
break;
case 4:
dst++;
nextloop = --hpos ? 1 : 3;
break;
}
}
}
} else {
uint16 marginLeft = 0;
uint16 marginRight = 0;
if (d < 0) {
dH += d;
if (dH <= 0)
return;
d = -d;
for (int i = 0; i < d; i++) {
marginLeft = width;
for (int ii = 0; ii < marginLeft; ii++) {
if (!*src++)
marginLeft = marginLeft + 1 - *src++;
}
}
dY = _dsY1;
}
d = _dsY2 - dY;
if (d < 1)
return;
if (d < dH)
dH = d;
marginLeft = 0;
if (dX < 0) {
width += dX;
marginLeft = -dX;
if (marginLeft >= w2)
return;
dX = 0;
}
marginRight = 0;
d = (dW << 3) - dX;
if (d < 1)
return;
if (d < width) {
width = d;
marginRight = w2 - marginLeft - width;
}
dst += (dY * 320 + dX);
uint8 * dstL = dst;
if (pageNum == 0 || pageNum == 1)
addDirtyRect(rX, rY, rW, rH);
while (dH--) {
int16 xpos = (int16) marginLeft;
if (flags & 1) {
for (int i = 0; i < w2; i++) {
if (*src++ == 0) {
i += (*src - 1);
src += (*src - 1);
}
}
src--;
}
const uint8 *src2 = src;
if (xpos) {
do {
uint8 val = (flags & 1) ? *(src - 1) : *src;
while (val && xpos) {
src += pixelStep;
xpos--;
val = (flags & 1) ? *(src - 1) : *src;
}
val = (flags & 1) ? *(src - 1) : *src;
if (!val) {
src += pixelStep;
uint8 bt = (flags & 1) ? src[1] : src[0];
src += pixelStep;
xpos = xpos - bt;
}
} while (xpos > 0);
}
dst -= xpos;
xpos += width;
while (xpos > 0) {
uint8 c = *src;
uint8 m = (flags & 1) ? *(src - 1) : c;
src += pixelStep;
if (m) {
drawShapeSetPixel(dst++, c);
xpos--;
} else {
uint8 len = (flags & 1) ? src[1] : src[0];
dst += len;
xpos -= len;
src += pixelStep;
}
}
xpos += marginRight;
if (xpos) {
do {
uint8 val = (flags & 1) ? *(src - 1) : *src;
while (val && xpos) {
src += pixelStep;
xpos--;
val = (flags & 1) ? *(src - 1) : *src;
}
val = (flags & 1) ? *(src - 1) : *src;
if (!val) {
src += pixelStep;
uint8 bt = (flags & 1) ? src[1] : src[0];
src += pixelStep;
xpos = xpos - bt;
}
} while (xpos > 0);
}
dstL += 320;
dst = dstL;
if (flags & 1)
src = src2 + 1;
}
}
}
const uint8 *Screen_Eob::scaleShape(const uint8 *shapeData, int steps) {
setShapeFadeMode(1, steps ? true : false);
while (shapeData && steps--)
shapeData = scaleShapeStep(shapeData);
return shapeData;
}
const uint8 *Screen_Eob::scaleShapeStep(const uint8 *shp) {
uint8 *d = _dsTempPage;
*d++ = *shp++;
uint16 h = (*shp++) + 1;
d[0] = d[2] = (h << 1) / 3;
d++;
uint16 w = *shp++;
uint16 w2 = w << 2;
uint16 t = ((w << 1) % 3) ? 1 : 0;
*d++ = ((w << 1) / 3) + t;
shp++;
d++;
int i = 0;
while (i < 16) {
if (!shp[i]) {
i = -i;
break;
}
i++;
}
if (i >= 0)
i = 0;
else
i = -i;
_dsScaleTmp = (i << 4) | (i & 0x0f);
for (int ii = 0; ii < 16; ii++)
*d++ = *shp++;
_dsDiv = w2 / 3;
_dsRem = w2 % 3;
while (--h) {
scaleShapeProcessLine(d, shp);
if (!--h)
break;
scaleShapeProcessLine(d, shp);
if (!--h)
break;
shp += w2;
}
return (const uint8 *) _dsTempPage;
}
void Screen_Eob::replaceShapePalette(uint8 *shp, const uint8 *pal) {
if (*shp != 1)
return;
shp += 4;
memcpy(shp, pal, 16);
}
void Screen_Eob::applyShapeOverlay(uint8 *shp, int ovlIndex) {
if (*shp != 1)
return;
shp += 4;
uint8 *ovl = getFadeTable(ovlIndex);
for (int i = 0; i < 16; i++)
shp[i] = ovl[shp[i]];
}
void Screen_Eob::setShapeFrame(int x1, int y1, int x2, int y2) {
_dsX1 = x1;
_dsY1 = y1;
_dsX2 = x2;
_dsY2 = y2;
}
void Screen_Eob::setShapeFadeMode (uint8 i, bool b) {
if (!i || i == 1)
_shapeFadeMode[i] = b;
}
void Screen_Eob::setGfxParameters(int x, int y, int col) {
_gfxX = x;
_gfxY = y;
_gfxCol = col;
}
void Screen_Eob::drawExplosion(int scale, int radius, int numElements, int stepSize, int aspectRatio, const uint8 *colorTable, int colorTableSize) {
int ymin = 0;
int ymax = _gfxMaxY[scale];
int xmin = -100;
int xmax = 276;
if (scale)
--scale;
hideMouse();
const ScreenDim *dm = getScreenDim(5);
int rX1 = dm->sx << 3;
int rY1 = dm->sy;
int rX2 = rX1 + (dm->w << 3);
int rY2 = rY1 + dm->h - 1;
int16 gx2 = _gfxX;
int16 gy2 = _gfxY;
int16 *ptr2 = (int16*)_dsTempPage;
int16 *ptr3 = (int16*)&_dsTempPage[300];
int16 *ptr4 = (int16*)&_dsTempPage[600];
int16 *ptr5 = (int16*)&_dsTempPage[900];
int16 *ptr6 = (int16*)&_dsTempPage[1200];
int16 *ptr7 = (int16*)&_dsTempPage[1500];
int16 *ptr8 = (int16*)&_dsTempPage[1800];
if (numElements > 150)
numElements = 150;
for (int i = 0; i < numElements; i++) {
ptr2[i] = ptr3[i] = 0;
ptr4[i] = _vm->_rnd.getRandomNumberRng(0, radius) - (radius >> 1);
ptr5[i] = _vm->_rnd.getRandomNumberRng(0, radius) - (radius >> 1) - (radius >> (8 - aspectRatio));
ptr7[i] = _vm->_rnd.getRandomNumberRng(1024 / stepSize, 2048 / stepSize);
ptr8[i] = scale << 8;
}
for (int l = 2; l;) {
if (l != 2) {
for (int i = numElements - 1; i >= 0; i--) {
int16 px = ((ptr2[i] >> 6) >> scale) + gx2;
int16 py = ((ptr3[i] >> 6) >> scale) + gy2;
if (py > ymax)
py = ymax;
if (posWithinRect(px, py, rX1, rY1, rX2, rY2))
setPagePixel(0, px, py, ptr6[i]);
}
}
l = 0;
for (int i = 0; i < numElements; i++) {
uint32 end = _system->getMillis() + 1;
if (ptr4[i] <= 0)
ptr4[i]++;
else
ptr4[i]--;
ptr2[i] += ptr4[i];
ptr5[i] += 5;
ptr3[i] += ptr5[i];
ptr8[i] += ptr7[i];
int16 px = ((ptr2[i] >> 6) >> scale) + gx2;
int16 py = ((ptr3[i] >> 6) >> scale) + gy2;
if (py >= ymax || py < ymin)
ptr5[i] = -(ptr5[i] >> 1);
if (px >= xmax || px < xmin)
ptr4[i] = -(ptr4[i] >> 1);
if (py > ymax)
py = ymax;
int pxVal1 = 0;
if (posWithinRect(px, py, 0, 0, 319, 199)) {
pxVal1 = getPagePixel(2, px, py);
ptr6[i] = getPagePixel(0, px, py);
}
assert((ptr8[i] >> 8) < colorTableSize);
int pxVal2 = colorTable[ptr8[i] >> 8];
if (pxVal2) {
l = 1;
if (pxVal1 == _gfxCol && posWithinRect(px, py, rX1, rY1, rX2, rY2)) {
setPagePixel(0, px, py, pxVal2);
if (i % 5 == 0) {
updateScreen();
uint32 cur = _system->getMillis();
if (end > cur)
_system->delayMillis(end - cur);
}
}
} else {
ptr7[i] = 0;
}
}
}
showMouse();
}
void Screen_Eob::drawVortex(int numElements, int radius, int stepSize, int, int disorder, const uint8 *colorTable, int colorTableSize) {
int16 *xCoords = (int16*)_dsTempPage;
int16 *yCoords = (int16*)&_dsTempPage[300];
int16 *xMod = (int16*)&_dsTempPage[600];
int16 *yMod = (int16*)&_dsTempPage[900];
int16 *pixBackup = (int16*)&_dsTempPage[1200];
int16 *colTableStep = (int16*)&_dsTempPage[1500];
int16 *colTableIndex = (int16*)&_dsTempPage[1800];
int16 *pixDelay = (int16*)&_dsTempPage[2100];
hideMouse();
int cp = _curPage;
if (numElements > 150)
numElements = 150;
int cx = 88;
int cy = 48;
radius <<= 6;
for (int i = 0; i < numElements; i++) {
int16 v38 = _vm->_rnd.getRandomNumberRng(radius >> 2, radius);
int16 stepSum = 0;
int16 sqsum = 0;
while (sqsum < v38) {
stepSum += stepSize;
sqsum += stepSum;
}
switch (_vm->_rnd.getRandomNumber(255) & 3) {
case 0:
xCoords[i] = 32;
yCoords[i] = sqsum;
xMod[i] = stepSum;
yMod[i] = 0;
break;
case 1:
xCoords[i] = sqsum;
yCoords[i] = 32;
xMod[i] = 0;
yMod[i] = stepSum;
break;
case 2:
xCoords[i] = 32;
yCoords[i] = -sqsum;
xMod[i] = stepSum;
yMod[i] = 0;
break;
default:
xCoords[i] = -sqsum;
yCoords[i] = 32;
xMod[i] = 0;
yMod[i] = stepSum;
break;
}
if (_vm->_rnd.getRandomBit()) {
xMod[i] *= -1;
yMod[i] *= -1;
}
colTableStep[i] = _vm->_rnd.getRandomNumberRng(1024 / disorder, 2048 / disorder);
colTableIndex[i] = 0;
pixDelay[i] = _vm->_rnd.getRandomNumberRng(0, disorder >> 2);
}
int d = 0;
for (int i = 2; i; ) {
if (i != 2) {
for (int ii = numElements - 1; ii >= 0; ii--) {
int16 px = CLIP((xCoords[ii] >> 6) + cx, 0, SCREEN_W - 1);
int16 py = CLIP((yCoords[ii] >> 6) + cy, 0, SCREEN_H - 1);
setPagePixel(0, px, py, pixBackup[ii]);
}
}
i = 0;
int r = (stepSize >> 1) + (stepSize >> 2) + (stepSize >> 3);
uint32 nextDelay = _system->getMillis() + 1;
for (int ii = 0; ii < numElements; ii++) {
if (pixDelay[ii] == 0) {
if (xCoords[ii] > 0) {
xMod[ii] -= ((xMod[ii] > 0) ? stepSize : r);
} else {
xMod[ii] += ((xMod[ii] < 0) ? stepSize : r);
}
if (yCoords[ii] > 0) {
yMod[ii] -= ((yMod[ii] > 0) ? stepSize : r);
} else {
yMod[ii] += ((yMod[ii] < 0) ? stepSize : r);
}
xCoords[ii] += xMod[ii];
yCoords[ii] += yMod[ii];
colTableIndex[ii] += colTableStep[ii];
} else {
pixDelay[ii]--;
}
int16 px = CLIP((xCoords[ii] >> 6) + cx, 0, SCREEN_W - 1);
int16 py = CLIP((yCoords[ii] >> 6) + cy, 0, SCREEN_H - 1);
uint8 tc1 = ((disorder >> 2) <= d) ? getPagePixel(2, px, py) : 0;
pixBackup[ii] = getPagePixel(0, px, py);
uint8 tblIndex = CLIP(colTableIndex[ii] >> 8, 0, colorTableSize - 1);
uint8 tc2 = colorTable[tblIndex];
if (tc2) {
i = 1;
if (tc1 == _gfxCol && !pixDelay[ii]) {
setPagePixel(0, px, py, tc2);
if (ii % 15 == 0) {
updateScreen();
uint32 cur = _system->getMillis();
if (nextDelay > cur)
_system->delayMillis(nextDelay - cur);
nextDelay += 1;
}
}
} else {
colTableStep[ii] = 0;
}
}
d++;
}
_curPage = cp;
showMouse();
}
void Screen_Eob::fadeTextColor(Palette *pal, int color1, int rate) {
uint8 *col = pal->getData();
for (bool loop = true; loop; ) {
loop = true;
uint32 end = _system->getMillis() + _vm->tickLength();
loop = false;
for (int ii = 0; ii < 3; ii++) {
uint8 c = col[color1 * 3 + ii];
if (c > rate) {
col[color1 * 3 + ii] -= rate;
loop = true;
} else if (c) {
col[color1 * 3 + ii] = 0;
loop = true;
}
}
if (loop) {
setScreenPalette(*pal);
updateScreen();
uint32 cur = _system->getMillis();
if (end > cur)
_system->delayMillis(end - cur);