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-rw-r--r--engines/kyra/screen_v2.cpp458
1 files changed, 258 insertions, 200 deletions
diff --git a/engines/kyra/screen_v2.cpp b/engines/kyra/screen_v2.cpp
index f3eb840ca2..704296c534 100644
--- a/engines/kyra/screen_v2.cpp
+++ b/engines/kyra/screen_v2.cpp
@@ -11,7 +11,7 @@
* 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
+ * 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
@@ -23,256 +23,314 @@
*
*/
-#include "common/endian.h"
-
-#include "kyra/kyra_v2.h"
#include "kyra/screen_v2.h"
+#include "common/endian.h"
+
namespace Kyra {
-Screen_v2::Screen_v2(KyraEngine_v2 *vm, OSystem *system)
- : ScreenEx(vm, system) {
- _vm = vm;
- _wsaFrameAnimBuffer = new uint8[1024];
-}
+uint8 *Screen_v2::generateOverlay(const uint8 *palette, uint8 *buffer, int startColor, uint16 factor) {
+ if (!palette || !buffer)
+ return buffer;
-Screen_v2::~Screen_v2() {
- delete [] _wsaFrameAnimBuffer;
-}
+ factor = MIN<uint16>(255, factor);
+ factor >>= 1;
+ factor &= 0xFF;
+
+ const byte col1 = palette[startColor * 3 + 0];
+ const byte col2 = palette[startColor * 3 + 1];
+ const byte col3 = palette[startColor * 3 + 2];
-void Screen_v2::setScreenDim(int dim) {
- debugC(9, kDebugLevelScreen, "Screen_v2::setScreenDim(%d)", dim);
- assert(dim < _screenDimTableCount);
- _curDim = &_screenDimTable[dim];
+ uint8 *dst = buffer;
+ *dst++ = 0;
+
+ for (int i = 1; i != 255; ++i) {
+ uint8 processedPalette[3];
+ const uint8 *src = palette + i*3;
+ byte col;
+
+ col = *src++;
+ col -= ((((col - col1) * factor) << 1) >> 8) & 0xFF;
+ processedPalette[0] = col;
+
+ col = *src++;
+ col -= ((((col - col2) * factor) << 1) >> 8) & 0xFF;
+ processedPalette[1] = col;
+
+ col = *src++;
+ col -= ((((col - col3) * factor) << 1) >> 8) & 0xFF;
+ processedPalette[2] = col;
+
+ *dst++ = findLeastDifferentColor(processedPalette, palette+3, 255)+1;
+ }
+
+ return buffer;
}
-const ScreenDim *Screen_v2::getScreenDim(int dim) {
- debugC(9, kDebugLevelScreen, "Screen_v2::getScreenDim(%d)", dim);
- assert(dim < _screenDimTableCount);
- return &_screenDimTable[dim];
+void Screen_v2::applyOverlay(int x, int y, int w, int h, int pageNum, const uint8 *overlay) {
+ if (pageNum == 0 || pageNum == 1)
+ addDirtyRect(x, y, w, h);
+
+ uint8 *dst = getPagePtr(pageNum) + y * 320 + x;
+ while (h--) {
+ for (int wi = 0; wi < w; ++wi) {
+ uint8 index = *dst;
+ *dst++ = overlay[index];
+ }
+ dst += 320 - w;
+ }
}
-void Screen_v2::generateGrayOverlay(const uint8 *srcPal, uint8 *grayOverlay, int factor, int addR, int addG, int addB, int lastColor, bool flag) {
- uint8 tmpPal[768];
-
- for (int i = 0; i != lastColor; i++) {
- if (flag) {
- int v = ((((srcPal[3 * i] & 0x3f) + (srcPal[3 * i + 1] & 0x3f)
- + (srcPal[3 * i + 2] & 0x3f)) / 3) * factor) / 0x40;
- tmpPal[3 * i] = tmpPal[3 * i + 1] = tmpPal[3 * i + 2] = v & 0xff;
- } else {
- int v = (((srcPal[3 * i] & 0x3f) * factor) / 0x40) + addR;
- tmpPal[3 * i] = (v > 0x3f) ? 0x3f : v & 0xff;
- v = (((srcPal[3 * i + 1] & 0x3f) * factor) / 0x40) + addG;
- tmpPal[3 * i + 1] = (v > 0x3f) ? 0x3f : v & 0xff;
- v = (((srcPal[3 * i + 2] & 0x3f) * factor) / 0x40) + addB;
- tmpPal[3 * i + 2] = (v > 0x3f) ? 0x3f : v & 0xff;
+int Screen_v2::findLeastDifferentColor(const uint8 *paletteEntry, const uint8 *palette, uint16 numColors) {
+ int m = 0x7fff;
+ int r = 0x101;
+
+ for (int i = 0; i < numColors; i++) {
+ int v = paletteEntry[0] - *palette++;
+ int c = v * v;
+ v = paletteEntry[1] - *palette++;
+ c += (v * v);
+ v = paletteEntry[2] - *palette++;
+ c += (v * v);
+
+ if (c <= m) {
+ m = c;
+ r = i;
}
}
- for (int i = 0; i < lastColor; i++)
- grayOverlay[i] = findLeastDifferentColor(tmpPal + 3 * i, srcPal, lastColor);
+ return r;
}
-void Screen_v2::wsaFrameAnimationStep(int x1, int y1, int x2, int y2,
- int w1, int h1, int w2, int h2, int srcPage, int dstPage, int dim) {
+void Screen_v2::copyWsaRect(int x, int y, int w, int h, int dimState, int plotFunc, const uint8 *src,
+ int unk1, const uint8 *unkPtr1, const uint8 *unkPtr2) {
+ uint8 *dstPtr = getPagePtr(_curPage);
+ uint8 *origDst = dstPtr;
+
+ const ScreenDim *dim = getScreenDim(dimState);
+ int dimX1 = dim->sx << 3;
+ int dimX2 = dim->w << 3;
+ dimX2 += dimX1;
+
+ int dimY1 = dim->sy;
+ int dimY2 = dim->h;
+ dimY2 += dimY1;
+
+ int temp = y - dimY1;
+ if (temp < 0) {
+ if ((temp += h) <= 0)
+ return;
+ else {
+ SWAP(temp, h);
+ y += temp - h;
+ src += (temp - h) * w;
+ }
+ }
- if (!(w1 || h1 || w2 || h2))
+ temp = dimY2 - y;
+ if (temp <= 0)
return;
- ScreenDim cdm = _screenDimTable[dim];
- cdm.sx <<= 3;
- cdm.w <<= 3;
+ if (temp < h)
+ h = temp;
- int na = 0, nb = 0, nc = w2;
-
- if (!calcBounds(cdm.w, cdm.h, x2, y2, w2, h2, na, nb, nc))
- return;
+ int srcOffset = 0;
+ temp = x - dimX1;
+ if (temp < 0) {
+ temp = -temp;
+ srcOffset = temp;
+ x += temp;
+ w -= temp;
+ }
- const uint8 *src = getPagePtr(srcPage) + y1 * 320;
- uint8 *dst = getPagePtr(dstPage) + (y2 + cdm.sy) * 320;
+ int srcAdd = 0;
- int u = -1;
+ temp = dimX2 - x;
+ if (temp <= 0)
+ return;
- do {
- int t = (nb * h1) / h2;
- if (t != u) {
- u = t;
- const uint8 *s = src + (x1 + t) * 320;
- uint8 *dt = (uint8*) _wsaFrameAnimBuffer;
+ if (temp < w) {
+ SWAP(w, temp);
+ temp -= w;
+ srcAdd = temp;
+ }
- t = w2 - w1;
- if (!t) {
- memcpy(dt, s, w2);
- } else if (t > 0) {
- if (w1 == 1) {
- memset(dt, *s, w2);
- } else {
- t = ((((((w2 - w1 + 1) & 0xffff) << 8) / w1) + 0x100) & 0xffff) << 8;
- int bp = 0;
- for (int i = 0; i < w1; i++) {
- int cnt = (t >> 16);
- bp += (t & 0xffff);
- if (bp > 0xffff) {
- bp -= 0xffff;
- cnt++;
- }
- memset(dt, *s++, cnt);
- dt += cnt;
- }
+ dstPtr += y * SCREEN_W + x;
+ uint8 *dst = dstPtr;
+
+ if (_curPage == 0 || _curPage == 1)
+ addDirtyRect(x, y, w, h);
+
+ clearOverlayRect(_curPage, x, y, w, h);
+
+ temp = h;
+ int curY = y;
+ while (h--) {
+ src += srcOffset;
+ ++curY;
+ int cW = w;
+
+ switch (plotFunc) {
+ case 0:
+ memcpy(dst, src, cW);
+ dst += cW; src += cW;
+ break;
+
+ case 1:
+ while (cW--) {
+ uint8 d = *src++;
+ uint8 t = unkPtr1[d];
+ if (t != 0xFF)
+ d = unkPtr2[*dst + (t << 8)];
+ *dst++ = d;
+ }
+ break;
+
+ case 4:
+ while (cW--) {
+ uint8 d = *src++;
+ if (d)
+ *dst = d;
+ ++dst;
+ }
+ break;
+
+ case 5:
+ while (cW--) {
+ uint8 d = *src++;
+ if (d) {
+ uint8 t = unkPtr1[d];
+ if (t != 0xFF)
+ d = unkPtr2[*dst + (t << 8)];
+ *dst = d;
}
- } else {
- if (w2 == 1) {
- *dt = *s;
+ ++dst;
+ }
+ break;
+
+ case 8:
+ case 9:
+ while (cW--) {
+ uint8 d = *src++;
+ uint8 t = _shapePages[0][dst - origDst] & 7;
+ if (unk1 < t && (curY > _maskMinY && curY < _maskMaxY))
+ d = _shapePages[1][dst - origDst];
+ *dst++ = d;
+ }
+ break;
+
+ case 12:
+ case 13:
+ while (cW--) {
+ uint8 d = *src++;
+ if (d) {
+ uint8 t = _shapePages[0][dst - origDst] & 7;
+ if (unk1 < t && (curY > _maskMinY && curY < _maskMaxY))
+ d = _shapePages[1][dst - origDst];
+ *dst++ = d;
} else {
- t = (((((w1 - w2) & 0xffff) << 8) / w2) & 0xffff) << 8;
- int bp = 0;
- for (int i = 0; i < w2; i++) {
- *dt++ = *s++;
- bp += (t & 0xffff);
- if (bp > 0xffff) {
- bp -= 0xffff;
- s++;
- }
- s += (t >> 16);
- }
+ d = _shapePages[1][dst - origDst];
+ *dst++ = d;
}
}
- }
- memcpy(dst + x2 + cdm.sx, _wsaFrameAnimBuffer + na, w2);
- dst += 320;
- } while (++nb < h2);
-}
+ break;
-void Screen_v2::cmpFadeFrameStep(int srcPage, int srcW, int srcH, int srcX, int srcY, int dstPage, int dstW,
- int dstH, int dstX, int dstY, int cmpW, int cmpH, int cmpPage) {
-
- if (!(cmpW || cmpH ))
- return;
+ default:
+ break;
+ }
- int r1, r2, r3, r4, r5, r6;
+ dst = (dstPtr += SCREEN_W);
+ src += srcAdd;
+ }
+}
- int X1 = srcX;
- int Y1 = srcY;
- int W1 = cmpW;
- int H1 = cmpH;
+const uint8 *Screen_v2::getPtrToShape(const uint8 *shpFile, int shape) {
+ debugC(9, kDebugLevelScreen, "Screen_v2::getPtrToShape(%p, %d)", (const void *)shpFile, shape);
+ uint16 shapes = READ_LE_UINT16(shpFile);
- if (!calcBounds(srcW, srcH, X1, Y1, W1, H1, r1, r2, r3))
- return;
+ if (shapes <= shape)
+ return 0;
- int X2 = dstX;
- int Y2 = dstY;
- int W2 = W1;
- int H2 = H1;
+ uint32 offset = READ_LE_UINT32(shpFile + (shape << 2) + 2);
- if (!calcBounds(dstW, dstH, X2, Y2, W2, H2, r4, r5, r6))
- return;
+ return shpFile + offset + 2;
+}
- const uint8 *src = getPagePtr(srcPage) + srcW * (Y1 + r5);
- uint8 *dst = getPagePtr(dstPage) + dstW * (Y2 + r2);
- const uint8 *cmp = getPagePtr(cmpPage);
+uint8 *Screen_v2::getPtrToShape(uint8 *shpFile, int shape) {
+ debugC(9, kDebugLevelScreen, "Screen_v2::getPtrToShape(%p, %d)", (void *)shpFile, shape);
+ uint16 shapes = READ_LE_UINT16(shpFile);
- while (H2--) {
- const uint8 *s = src + r4 + X1;
- uint8 *d = dst + r1 + X2;
+ if (shapes <= shape)
+ return 0;
- for (int i = 0; i < W2; i++) {
- int ix = (*s++ << 8) + *d;
- *d++ = cmp[ix];
- }
+ uint32 offset = READ_LE_UINT32(shpFile + (shape << 2) + 2);
- src += W1;
- dst += W2;
- }
+ return shpFile + offset + 2;
}
-void Screen_v2::copyPageMemory(int srcPage, int srcPos, int dstPage, int dstPos, int numBytes) {
- const uint8 *src = getPagePtr(srcPage) + srcPos;
- uint8 *dst = getPagePtr(dstPage) + dstPos;
- memcpy(dst, src, numBytes);
+int Screen_v2::getShapeScaledWidth(const uint8 *shpFile, int scale) {
+ debugC(9, kDebugLevelScreen, "Screen_v2::getShapeScaledWidth(%p, %d)", (const void*)shpFile, scale);
+ int width = READ_LE_UINT16(shpFile+3);
+ return (width * scale) >> 8;
}
+int Screen_v2::getShapeScaledHeight(const uint8 *shpFile, int scale) {
+ debugC(9, kDebugLevelScreen, "Screen_v2::getShapeScaledHeight(%p, %d)", (const void*)shpFile, scale);
+ int height = shpFile[2];
+ return (height * scale) >> 8;
+}
-void Screen_v2::copyRegionEx(int srcPage, int srcW, int srcH, int dstPage, int dstX,int dstY, int dstW, int dstH, const ScreenDim *dim, bool flag) {
- int x0 = dim->sx << 3;
- int y0 = dim->sy;
- int w0 = dim->w << 3;
- int h0 = dim->h;
-
- int x1 = dstX;
- int y1 = dstY;
- int w1 = dstW;
- int h1 = dstH;
+uint16 Screen_v2::getShapeSize(const uint8 *shp) {
+ debugC(9, kDebugLevelScreen, "Screen_v2::getShapeSize(%p)", (const void *)shp);
- int x2, y2, w2;
+ return READ_LE_UINT16(shp+6);
+}
- calcBounds(w0, h0, x1, y1, w1, h1, x2, y2, w2);
+uint8 *Screen_v2::makeShapeCopy(const uint8 *src, int index) {
+ debugC(9, kDebugLevelScreen, "Screen_v2::makeShapeCopy(%p, %d)", (const void *)src, index);
- const uint8 *src = getPagePtr(srcPage) + (320 * srcH) + srcW;
- uint8 *dst = getPagePtr(dstPage) + 320 * (y0 + y1);
+ const uint8 *shape = getPtrToShape(src, index);
+ int size = getShapeSize(shape);
- for (int y = 0; y < h1; y++) {
- const uint8 *s = src + x2;
- uint8 *d = dst + x0 + x1;
+ uint8 *copy = new uint8[size];
+ assert(copy);
+ memcpy(copy, shape, size);
- if (flag)
- d += (h1 >> 1);
+ return copy;
+}
- for (int x = 0; x < w1; x++) {
- if (*s)
- *d = *s;
- s++;
- d++;
- }
- dst += 320;
- src += 320;
- }
+int Screen_v2::getLayer(int x, int y) {
+ debugC(9, kDebugLevelScreen, "Screen_v2::getLayer(%d, %d)", x, y);
+ if (x < 0)
+ x = 0;
+ else if (x >= 320)
+ x = 319;
+ if (y < 0)
+ y = 0;
+ else if (y >= 144)
+ y = 143;
+
+ uint8 pixel = *(getCPagePtr(5) + y * 320 + x);
+ pixel &= 0x7F;
+ pixel >>= 3;
+
+ if (pixel < 1)
+ pixel = 1;
+ else if (pixel > 15)
+ pixel = 15;
+ return pixel;
}
-bool Screen_v2::calcBounds(int w0, int h0, int &x1, int &y1, int &w1, int &h1, int &x2, int &y2, int &w2) {
- x2 = 0;
- y2 = 0;
- w2 = w1;
-
- int t = x1 + w1;
- if (t < 1) {
- w1 = h1 = -1;
- } else {
- if (t <= x1) {
- x2 = w1 - t;
- w1 = t;
- x1 = 0;
- }
- t = w0 - x1;
- if (t < 1) {
- w1 = h1 = -1;
- } else {
- if (t <= w1) {
- w1 = t;
- }
- w2 -= w1;
- t = h1 + y1;
- if (t < 1) {
- w1 = h1 = -1;
- } else {
- if (t <= y1) {
- y2 = h1 - t;
- h1 = t;
- y1 = 0;
- }
- t = h0 - y1;
- if (t < 1) {
- w1 = h1 = -1;
- } else {
- if (t <= h1) {
- h1 = t;
- }
- }
- }
- }
- }
+int Screen_v2::getRectSize(int w, int h) {
+ debugC(9, kDebugLevelScreen, "Screen_v2::getRectSize(%d, %d)", w, h);
+ if (w > 320 || h > 200)
+ return 0;
+ return w*h;
+}
- return (w1 == -1) ? false : true;
+void Screen_v2::setTextColorMap(const uint8 *cmap) {
+ debugC(9, kDebugLevelScreen, "Screen_v2::setTextColorMap(%p)", (const void *)cmap);
+ setTextColor(cmap, 0, 15);
}
} // end of namespace Kyra
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