diff options
| -rw-r--r-- | scumm/akos.cpp | 73 |
1 files changed, 71 insertions, 2 deletions
diff --git a/scumm/akos.cpp b/scumm/akos.cpp index acd038a9e6..729ffd8669 100644 --- a/scumm/akos.cpp +++ b/scumm/akos.cpp @@ -437,6 +437,76 @@ void akos_c1_spec1(AkosRenderer * ar) } while (1); } +void akos_c1_spec3(AkosRenderer * ar) +{ + byte *src, *dst; + byte len, height, maskbit; + uint y, color, pcolor; + const byte *scaleytab, *mask; + + + y = ar->v1.y; + + len = ar->v1.replen; + src = ar->srcptr; + dst = ar->v1.destptr; + color = ar->v1.repcolor; + height = ar->height; + + scaleytab = &ar->v1.scaletable[ar->v1.tmp_y]; + maskbit = revBitMask[ar->v1.x & 7]; + mask = ar->v1.mask_ptr + (ar->v1.x >> 3); + + if (len) + goto StartPos; + + do { + len = *src++; + color = len >> ar->v1.shl; + len &= ar->v1.mask; + if (!len) + len = *src++; + + do { + if (*scaleytab++ < ar->scale_y) { + if (color && y < ar->outheight + && (!ar->v1.mask_ptr || !((mask[0] | mask[ar->v1.imgbufoffs]) & maskbit))) { + pcolor = ar->palette[color]; + if (pcolor < 8) { + pcolor = (pcolor << 8) + *dst; + *dst = ar->shadow_table[pcolor]; + } else { + *dst = pcolor; + } + } + mask += 40; + dst += ar->outwidth; + y++; + } + if (!--height) { + if (!--ar->v1.skip_width) + return; + height = ar->height; + y = ar->v1.y; + + scaleytab = &ar->v1.scaletable[ar->v1.tmp_y]; + + if (ar->v1.scaletable[ar->v1.tmp_x] < ar->scale_x) { + ar->v1.x += ar->v1.scaleXstep; + if (ar->v1.x >= g_scumm->_realWidth) + return; + maskbit = revBitMask[ar->v1.x & 7]; + ar->v1.destptr += ar->v1.scaleXstep; + } + mask = ar->v1.mask_ptr + (ar->v1.x >> 3); + ar->v1.tmp_x += ar->v1.scaleXstep; + dst = ar->v1.destptr; + } + StartPos:; + } while (--len); + } while (1); +} + const byte default_scale_table[768] = { 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0, @@ -775,8 +845,7 @@ void AkosRenderer::codec1() warning("akos_c1_spec2"); return; case 3: -// akos_c1_spec3(this); - warning("akos_c1_spec3"); + akos_c1_spec3(this); return; } |