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Match ClampLine

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This commit is contained in:
Christian Semmler 2024-02-29 11:42:31 -05:00
parent 7bc8d1e910
commit 4cd2944a2c
1 changed files with 25 additions and 11 deletions
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36
LEGO1/omni/src/video/flic.cpp
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@ -78,26 +78,36 @@ void WritePixels(
// FUNCTION: LEGO1 0x100bd600 // FUNCTION: LEGO1 0x100bd600
int ClampLine(LPBITMAPINFOHEADER p_bitmapHeader, short& p_column, short& p_row, short& p_count) int ClampLine(LPBITMAPINFOHEADER p_bitmapHeader, short& p_column, short& p_row, short& p_count)
{ {
short lp_count; short column = p_column;
short end = p_column + p_count; short row = p_row;
short count = p_count;
short end = column + count;
int result;
if (p_row >= 0 && p_row < p_bitmapHeader->biHeight && end >= 0 && p_column < p_bitmapHeader->biWidth) { if (row < 0 || p_bitmapHeader->biHeight <= row || end < 0 || p_bitmapHeader->biWidth <= column) {
if (p_column < 0) { result = 0;
lp_count = end; }
else {
if (column < 0) {
count += column;
p_count = end; p_count = end;
p_column = 0; p_column = 0;
} }
if (end > p_bitmapHeader->biWidth) { if (p_bitmapHeader->biWidth < end) {
lp_count -= end; count -= end - p_bitmapHeader->biWidth;
lp_count += p_bitmapHeader->biWidth; p_count = count;
p_count = lp_count;
} }
return lp_count >= 0; if (count < 0) {
result = 0;
}
else {
result = 1;
}
} }
return 0; return result;
} }
// FUNCTION: LEGO1 0x100bd680 // FUNCTION: LEGO1 0x100bd680
@ -319,9 +329,11 @@ void DecodeSS2(LPBITMAPINFOHEADER p_bitmapHeader, BYTE* p_pixelData, BYTE* p_dat
while (--lines > 0) { while (--lines > 0) {
short token; short token;
while (TRUE) { while (TRUE) {
token = *((short*) data); token = *((short*) data);
data += 2; data += 2;
if (token < 0) { if (token < 0) {
if (token & 0x4000) { if (token & 0x4000) {
row += token; row += token;
@ -346,6 +358,7 @@ void DecodeSS2(LPBITMAPINFOHEADER p_bitmapHeader, BYTE* p_pixelData, BYTE* p_dat
break; break;
} }
} }
short column = 0; short column = 0;
do { do {
column += *(data++); column += *(data++);
@ -365,6 +378,7 @@ void DecodeSS2(LPBITMAPINFOHEADER p_bitmapHeader, BYTE* p_pixelData, BYTE* p_dat
column += type; column += type;
} }
} while (--token); } while (--token);
row--; row--;
} }
} }