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Decompile dpi->zoom_level == 0 && image->flags & 4

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This commit is contained in:
Marijn van der Werf
2016-02-26 10:01:15 +01:00
parent cdf4b596e4
commit ebb2ab3b0c
1 changed files with 57 additions and 0 deletions
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57
src/interface/viewport.c
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@@ -2713,6 +2713,63 @@ void sub_679074(rct_drawpixelinfo *dpi, int imageId, sint16 x, sint16 y)
switch (dpi->zoom_level) {
case 0:
RCT2_GLOBAL(0x9E3D08, uint8*) = image->offset;
RCT2_GLOBAL(0x9E3D0C, sint16) = image->width;
RCT2_GLOBAL(0x9E3D0C + 2, sint16) = image->height;
RCT2_GLOBAL(0x9E3D10, sint16) = image->x_offset;
RCT2_GLOBAL(0x9E3D10 + 2, sint16) = image->y_offset;
RCT2_GLOBAL(0x9E3D14, uint16) = image->flags;
RCT2_GLOBAL(0x9E3D14 + 2, uint16) = image->zoomed_offset;
if (image->flags & 4) {
y += image->y_offset;
_yStartPoint = 0;
_yEndPoint = image->height;
y -= dpi->y;
if (y < 0) {
_yEndPoint += y;
if (_yEndPoint <= 0) {
return;
}
_yStartPoint -= y;
y = 0;
}
y += _yEndPoint;
y--;
if (y > 0) {
_yEndPoint -= y;
return;
}
sint16 ax = image->width;
_xStartPoint = 0;
_xEndPoint = ax;
x += image->x_offset;
x -= dpi->x;
if (x < 0) {
_xEndPoint += x;
if (_xEndPoint <= 0) {
return;
}
_xStartPoint -= x;
x = 0;
}
x += _xEndPoint;
x--;
if (x > 0) {
_xEndPoint -= x;
return;
}
// TODO: refactor in sub_67933B
// ebp might be dpi
RCT2_CALLPROC_X(0x0067933B, 0, 0, 0, 0, (int)image->offset, 0xEEEEEEEE, 0xFFFFFFFF);
return;
}
// TODO: loc_6790A0:
break;