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Finish Bitmap (#458)

Browse Source 
* Finish Bitmap

* Add missing vtable annotations

* Fixes

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
This commit is contained in:
Nathan M Gilbert
2024-01-19 09:38:06 -05:00
committed by GitHub
parent cecaced797
commit d5658efe02
6 changed files with 154 additions and 43 deletions
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50
LEGO1/omni/src/common/mxutil.cpp
View File

@@ -11,45 +11,45 @@
void (*g_omniUserMessage)(const char*, int);
// FUNCTION: LEGO1 0x100b6e10
MxBool FUN_100b6e10(
MxS32 p_bitmapWidth,
MxS32 p_bitmapHeight,
MxS32 p_videoParamWidth,
MxS32 p_videoParamHeight,
MxS32* p_left,
MxS32* p_top,
MxS32* p_right,
MxS32* p_bottom,
MxBool GetRectIntersection(
MxS32 p_rect1Width,
MxS32 p_rect1Height,
MxS32 p_rect2Width,
MxS32 p_rect2Height,
MxS32* p_rect1Left,
MxS32* p_rect1Top,
MxS32* p_rect2Left,
MxS32* p_rect2Top,
MxS32* p_width,
MxS32* p_height
)
{
MxPoint32 topLeft(*p_left, *p_top);
MxRect32 bitmapRect(MxPoint32(0, 0), MxSize32(p_bitmapWidth, p_bitmapHeight));
MxPoint32 rect1Origin(*p_rect1Left, *p_rect1Top);
MxRect32 rect1(MxPoint32(0, 0), MxSize32(p_rect1Width, p_rect1Height));
MxPoint32 bottomRight(*p_right, *p_bottom);
MxRect32 videoParamRect(MxPoint32(0, 0), MxSize32(p_videoParamWidth, p_videoParamHeight));
MxPoint32 rect2Origin(*p_rect2Left, *p_rect2Top);
MxRect32 rect2(MxPoint32(0, 0), MxSize32(p_rect2Width, p_rect2Height));
MxRect32 rect(0, 0, *p_width, *p_height);
rect.AddPoint(topLeft);
rect.AddPoint(rect1Origin);
if (!rect.IntersectsWith(bitmapRect))
if (!rect.IntersectsWith(rect1))
return FALSE;
rect.Intersect(bitmapRect);
rect.SubtractPoint(topLeft);
rect.AddPoint(bottomRight);
rect.Intersect(rect1);
rect.SubtractPoint(rect1Origin);
rect.AddPoint(rect2Origin);
if (!rect.IntersectsWith(videoParamRect))
if (!rect.IntersectsWith(rect2))
return FALSE;
rect.Intersect(videoParamRect);
rect.SubtractPoint(bottomRight);
rect.Intersect(rect2);
rect.SubtractPoint(rect2Origin);
*p_left += rect.GetLeft();
*p_top += rect.GetTop();
*p_right += rect.GetLeft();
*p_bottom += rect.GetTop();
*p_rect1Left += rect.GetLeft();
*p_rect1Top += rect.GetTop();
*p_rect2Left += rect.GetLeft();
*p_rect2Top += rect.GetTop();
*p_width = rect.GetWidth();
*p_height = rect.GetHeight();
return TRUE;

83
LEGO1/omni/src/video/mxbitmap.cpp
View File

@@ -1,6 +1,7 @@
#include "mxbitmap.h"
#include "decomp.h"
#include "mxutil.h"
DECOMP_SIZE_ASSERT(MxBitmap, 0x20);
DECOMP_SIZE_ASSERT(MxBITMAPINFO, 0x428);
@@ -207,14 +208,88 @@ MxResult MxBitmap::LoadFile(HANDLE p_handle)
return result;
}
// STUB: LEGO1 0x100bce70
void MxBitmap::VTable0x2c(int, int, int, int, int, int, int)
// FUNCTION: LEGO1 0x100bce70
void MxBitmap::BitBlt(
MxBitmap* p_src,
MxS32 p_srcLeft,
MxS32 p_srcTop,
MxS32 p_dstLeft,
MxS32 p_dstTop,
MxS32 p_width,
MxS32 p_height
)
{
MxLong dstHeight = GetBmiHeightAbs();
MxLong srcHeight = p_src->GetBmiHeightAbs();
if (GetRectIntersection(
p_src->GetBmiWidth(),
srcHeight,
GetBmiWidth(),
dstHeight,
&p_srcLeft,
&p_srcTop,
&p_dstLeft,
&p_dstTop,
&p_width,
&p_height
)) {
MxU8* srcStart = p_src->GetStart(p_srcLeft, p_srcTop);
MxU8* dstStart = GetStart(p_dstLeft, p_dstTop);
MxLong srcStride = p_src->GetAdjustedStride();
MxLong dstStride = GetAdjustedStride();
while (p_height--) {
memcpy(dstStart, srcStart, p_width);
dstStart += dstStride;
srcStart += srcStride;
}
}
}
// STUB: LEGO1 0x100bd020
void MxBitmap::VTable0x30(int, int, int, int, int, int, int)
// FUNCTION: LEGO1 0x100bd020
void MxBitmap::BitBltTransparent(
MxBitmap* p_src,
MxS32 p_srcLeft,
MxS32 p_srcTop,
MxS32 p_dstLeft,
MxS32 p_dstTop,
MxS32 p_width,
MxS32 p_height
)
{
MxLong dstHeight = GetBmiHeightAbs();
MxLong srcHeight = p_src->GetBmiHeightAbs();
if (GetRectIntersection(
p_src->GetBmiWidth(),
srcHeight,
GetBmiWidth(),
dstHeight,
&p_srcLeft,
&p_srcTop,
&p_dstLeft,
&p_dstTop,
&p_width,
&p_height
)) {
MxU8* srcStart = p_src->GetStart(p_srcLeft, p_srcTop);
MxU8* dstStart = GetStart(p_dstLeft, p_dstTop);
MxLong srcStride = p_src->GetAdjustedStride() - p_width;
MxLong dstStride = GetAdjustedStride() - p_width;
for (MxS32 h = 0; h < p_height; h++) {
for (MxS32 w = 0; w < p_width; w++) {
if (*srcStart)
*dstStart = *srcStart;
srcStart++;
dstStart++;
}
srcStart += srcStride;
dstStart += dstStride;
}
}
}
// FUNCTION: LEGO1 0x100bd1c0

2
LEGO1/omni/src/video/mxdisplaysurface.cpp
View File

@@ -305,7 +305,7 @@ void MxDisplaySurface::VTable0x28(
MxS32 p_height
)
{
if (FUN_100b6e10(
if (GetRectIntersection(
p_bitmap->GetBmiWidth(),
p_bitmap->GetBmiHeightAbs(),
m_videoParam.GetRect().GetWidth(),