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-rw-r--r--scumm/costume.cpp89
1 files changed, 41 insertions, 48 deletions
diff --git a/scumm/costume.cpp b/scumm/costume.cpp
index 4b637933cf..a6513f6e7b 100644
--- a/scumm/costume.cpp
+++ b/scumm/costume.cpp
@@ -308,14 +308,16 @@ void CostumeRenderer::procC64() {
const byte *src;
byte *dst;
byte len;
- int y;
- byte color;
+ uint y, height;
+ byte color, pcolor;
+ bool rep;
- y = 0;
+ y = v1.y;
src = _srcptr;
dst = v1.destptr;
len = v1.replen;
color = v1.repcolor;
+ height = _height;
// TODO:
// * figure out how to get the right colors/palette
@@ -326,57 +328,48 @@ void CostumeRenderer::procC64() {
// const byte *palette = _palette;
v1.skip_width >>= 3;
+
+ if (len)
+ goto StartPos;
+
do {
- color = *src++;
- if (color & 0x80) {
- len = color & 0x7f;
+ len = *src++;
+ if (len & 0x80)
color = *src++;
- while (len--) {
- if (!_mirror) {
- if ((color >> 6) & 3) dst[6] = dst[7] = palette[(color >> 6) & 3];
- if ((color >> 4) & 3) dst[4] = dst[5] = palette[(color >> 4) & 3];
- if ((color >> 2) & 3) dst[2] = dst[3] = palette[(color >> 2) & 3];
- if ((color >> 0) & 3) dst[0] = dst[1] = palette[(color >> 0) & 3];
- } else {
- if ((color >> 6) & 3) dst[0] = dst[1] = palette[(color >> 6) & 3];
- if ((color >> 4) & 3) dst[2] = dst[3] = palette[(color >> 4) & 3];
- if ((color >> 2) & 3) dst[4] = dst[5] = palette[(color >> 2) & 3];
- if ((color >> 0) & 3) dst[6] = dst[7] = palette[(color >> 0) & 3];
- }
- dst += _outwidth;
- y++;
- if (y >= _height) {
- if (!--v1.skip_width)
- return;
- y = 0;
- v1.destptr += 8 * v1.scaleXstep;
- dst = v1.destptr;
- }
- }
- } else {
- len = color;
- while (len--) {
+ StartPos:;
+ rep = (len & 0x80) != 0;
+ len &= 0x7f;
+ while (len--) {
+ if (!rep)
color = *src++;
+
+ if (y < _outheight) {
+#define MASK_AT(xoff) (v1.mask_ptr && ((v1.mask_ptr[(v1.x+xoff) >> 3] | v1.mask_ptr[((v1.x+xoff) >> 3) + v1.imgbufoffs]) & revBitMask[(v1.x+xoff) & 7]))
if (!_mirror) {
- if ((color >> 6) & 3) dst[6] = dst[7] = palette[(color >> 6) & 3];
- if ((color >> 4) & 3) dst[4] = dst[5] = palette[(color >> 4) & 3];
- if ((color >> 2) & 3) dst[2] = dst[3] = palette[(color >> 2) & 3];
- if ((color >> 0) & 3) dst[0] = dst[1] = palette[(color >> 0) & 3];
+ pcolor = (color >> 0) & 3; if (pcolor) { if (!MASK_AT(0)) dst[0] = palette[pcolor]; if (!MASK_AT(1)) dst[1] = palette[pcolor]; }
+ pcolor = (color >> 2) & 3; if (pcolor) { if (!MASK_AT(2)) dst[2] = palette[pcolor]; if (!MASK_AT(3)) dst[3] = palette[pcolor]; }
+ pcolor = (color >> 4) & 3; if (pcolor) { if (!MASK_AT(4)) dst[4] = palette[pcolor]; if (!MASK_AT(5)) dst[5] = palette[pcolor]; }
+ pcolor = (color >> 6) & 3; if (pcolor) { if (!MASK_AT(6)) dst[6] = palette[pcolor]; if (!MASK_AT(7)) dst[7] = palette[pcolor]; }
} else {
- if ((color >> 6) & 3) dst[0] = dst[1] = palette[(color >> 6) & 3];
- if ((color >> 4) & 3) dst[2] = dst[3] = palette[(color >> 4) & 3];
- if ((color >> 2) & 3) dst[4] = dst[5] = palette[(color >> 2) & 3];
- if ((color >> 0) & 3) dst[6] = dst[7] = palette[(color >> 0) & 3];
- }
- dst += _outwidth;
- y++;
- if (y >= _height) {
- if (!--v1.skip_width)
- return;
- y = 0;
- v1.destptr += 8 * v1.scaleXstep;
- dst = v1.destptr;
+ pcolor = (color >> 6) & 3; if (pcolor) { if (!MASK_AT(0)) dst[0] = palette[pcolor]; if (!MASK_AT(1)) dst[1] = palette[pcolor]; }
+ pcolor = (color >> 4) & 3; if (pcolor) { if (!MASK_AT(2)) dst[2] = palette[pcolor]; if (!MASK_AT(3)) dst[3] = palette[pcolor]; }
+ pcolor = (color >> 2) & 3; if (pcolor) { if (!MASK_AT(4)) dst[4] = palette[pcolor]; if (!MASK_AT(5)) dst[5] = palette[pcolor]; }
+ pcolor = (color >> 0) & 3; if (pcolor) { if (!MASK_AT(6)) dst[6] = palette[pcolor]; if (!MASK_AT(7)) dst[7] = palette[pcolor]; }
}
+#undef MASK_AT
+ }
+ dst += _outwidth;
+ y++;
+ if (!--height) {
+ if (!--v1.skip_width)
+ return;
+ height = _height;
+ y = v1.y;
+ v1.x += 8 * v1.scaleXstep;
+ if (v1.x < 0 || v1.x >= _vm->_screenWidth)
+ return;
+ v1.destptr += 8 * v1.scaleXstep;
+ dst = v1.destptr;
}
}
} while(1);