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Implement MxDisplaySurface::VTable0x30 (#705)

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* Implement MxDisplaySurface::VTable0x30

* improve match

* style

* fix style

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
This commit is contained in:
Misha 2024-03-20 16:44:30 -04:00 committed by GitHub
parent e5fa35fd99
commit d8fedab090
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GPG key ID: B5690EEEBB952194
2 changed files with 124 additions and 6 deletions
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14
LEGO1/omni/include/mxdisplaysurface.h
View file

@ -55,7 +55,7 @@ class MxDisplaySurface : public MxCore {
undefined4,
MxBool
); // vtable+0x2c
virtual MxBool VTable0x30(
virtual void VTable0x30(
MxBitmap* p_bitmap,
MxS32 p_left,
MxS32 p_top,
@ -63,7 +63,7 @@ class MxDisplaySurface : public MxCore {
MxS32 p_bottom,
MxS32 p_width,
MxS32 p_height,
MxBool
MxBool p_und
); // vtable+0x30
virtual undefined4 VTable0x34(
undefined4,
@ -98,6 +98,16 @@ class MxDisplaySurface : public MxCore {
inline LPDIRECTDRAWSURFACE GetDirectDrawSurface2() { return this->m_ddSurface2; }
inline MxVideoParam& GetVideoParam() { return this->m_videoParam; }
static void FUN_100bb500(
MxU8** p_bitmapData,
MxU8** p_surfaceData,
MxU32 p_bitmapSize,
MxS32 p_width,
MxS32 p_height,
MxLong p_pitch,
MxU32 p_bpp
);
private:
MxU8 CountTotalBitsSetTo1(MxU32 p_param);
MxU8 CountContiguousBitsSetTo1(MxU32 p_param);

116
LEGO1/omni/src/video/mxdisplaysurface.cpp
View file

@ -470,8 +470,8 @@ void MxDisplaySurface::VTable0x28(
}
}
// STUB: LEGO1 0x100bb1d0
MxBool MxDisplaySurface::VTable0x30(
// FUNCTION: LEGO1 0x100bb1d0
void MxDisplaySurface::VTable0x30(
MxBitmap* p_bitmap,
MxS32 p_left,
MxS32 p_top,
@ -479,10 +479,118 @@ MxBool MxDisplaySurface::VTable0x30(
MxS32 p_bottom,
MxS32 p_width,
MxS32 p_height,
MxBool
MxBool p_und
)
{
return 0;
if (GetRectIntersection(
p_bitmap->GetBmiWidth(),
p_bitmap->GetBmiHeightAbs(),
m_videoParam.GetRect().GetWidth(),
m_videoParam.GetRect().GetHeight(),
&p_left,
&p_top,
&p_right,
&p_bottom,
&p_width,
&p_height
)) {
DDSURFACEDESC ddsd;
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
HRESULT hr = m_ddSurface2->Lock(NULL, &ddsd, DDLOCK_WAIT, NULL);
if (hr == DDERR_SURFACELOST) {
m_ddSurface2->Restore();
hr = m_ddSurface2->Lock(NULL, &ddsd, DDLOCK_WAIT, NULL);
}
if (hr == DD_OK) {
MxU8* data = p_bitmap->GetStart(p_left, p_top);
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
MxU8* surface = (MxU8*) ddsd.lpSurface + p_right + (p_bottom * ddsd.lPitch);
if (p_und) {
FUN_100bb500(
&data,
&surface,
p_bitmap->GetBmiHeader()->biSizeImage,
p_width,
p_height,
ddsd.lPitch,
8
);
}
else {
MxLong stride = p_bitmap->GetAdjustedStride();
MxLong length = ddsd.lPitch;
for (MxS32 i = 0; p_height > i; i++) {
for (MxS32 j = 0; p_width > j; j++) {
if (*data != 0) {
*(MxU8*) surface = *data;
}
data++;
surface++;
}
data += stride;
surface += length;
}
}
break;
}
case 16: {
MxU8* surface = (MxU8*) ddsd.lpSurface + (2 * p_right) + (p_bottom * ddsd.lPitch);
if (p_und) {
FUN_100bb500(
&data,
&surface,
p_bitmap->GetBmiHeader()->biSizeImage,
p_width,
p_height,
ddsd.lPitch,
16
);
}
else {
MxLong stride = p_bitmap->GetAdjustedStride();
MxLong v50 = stride - p_width;
MxLong length = ddsd.lPitch - (2 * p_width);
for (MxS32 i = 0; p_height > i; i++) {
for (MxS32 j = 0; p_width > j; j++) {
if (*data != 0) {
*(MxU16*) surface = m_16bitPal[*data];
}
data++;
surface += 2;
}
data += v50;
surface += length;
}
}
}
}
m_ddSurface2->Unlock(ddsd.lpSurface);
}
}
}
// STUB: LEGO1 0x100bb500
void MxDisplaySurface::FUN_100bb500(
MxU8** p_bitmapData,
MxU8** p_surfaceData,
MxU32 p_bitmapSize,
MxS32 p_width,
MxS32 p_height,
MxLong p_pitch,
MxU32 p_bpp
)
{
// TODO
}
// STUB: LEGO1 0x100bb850