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Implement a few LegoVideoManager/MxDisplaySurface functions (#364)

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* implement a few functions

* fixes

* Fixes

* Add annotations

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
This commit is contained in:
Misha
2023-12-26 17:20:20 -05:00
committed by GitHub
parent e824e321e8
commit ceca2aac31
5 changed files with 123 additions and 9 deletions
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57
LEGO1/mxdisplaysurface.cpp
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@@ -5,6 +5,8 @@
DECOMP_SIZE_ASSERT(MxDisplaySurface, 0xac);
MxU32 g_unk0x1010215c = 0;
// FUNCTION: LEGO1 0x100ba500
MxDisplaySurface::MxDisplaySurface()
{
@@ -248,9 +250,60 @@ undefined4 MxDisplaySurface::VTable0x34(undefined4, undefined4, undefined4, unde
return 0;
}
// STUB: LEGO1 0x100bba50
void MxDisplaySurface::Display(undefined4, undefined4, undefined4, undefined4, undefined4, undefined4)
// FUNCTION: LEGO1 0x100bba50
void MxDisplaySurface::Display(MxS32 p_left, MxS32 p_top, MxS32 p_left2, MxS32 p_top2, MxS32 p_width, MxS32 p_height)
{
if (m_videoParam.Flags().GetF2bit1()) {
if (m_videoParam.Flags().GetFlipSurfaces()) {
if (g_unk0x1010215c < 2) {
g_unk0x1010215c++;
DDSURFACEDESC ddsd;
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
if (m_ddSurface2->Lock(NULL, &ddsd, 1, NULL) == S_OK) {
MxU8* surface = (MxU8*) ddsd.lpSurface;
MxS32 height = m_videoParam.GetRect().GetHeight();
for (MxU32 i = 0; i < ddsd.dwHeight; i++) {
memset(surface, 0, ddsd.dwWidth * ddsd.ddpfPixelFormat.dwRGBBitCount / 8);
surface += ddsd.lPitch;
}
m_ddSurface2->Unlock(ddsd.lpSurface);
}
else {
OutputDebugString("MxDisplaySurface::Display error\n");
}
}
m_ddSurface1->Flip(NULL, 1);
}
else {
POINT point = {0, 0};
ClientToScreen(MxOmni::GetInstance()->GetWindowHandle(), &point);
// TODO: Match
RECT rect1, rect2;
rect1.left = p_left2 + m_videoParam.GetRect().GetLeft() + point.x;
rect2.left = p_left;
rect1.top = p_top2 + m_videoParam.GetRect().GetTop() + point.y;
rect2.right = p_left + p_width;
rect2.top = p_top;
rect2.bottom = p_top + p_height;
rect1.right = rect1.left + p_width;
rect1.bottom = rect1.top + p_height;
DDBLTFX data;
memset(&data, 0, sizeof(data));
data.dwSize = sizeof(data);
data.dwDDFX = 8;
if (m_ddSurface1->Blt(&rect1, m_ddSurface2, &rect2, 0, &data) == DDERR_SURFACELOST) {
m_ddSurface1->Restore();
m_ddSurface1->Blt(&rect1, m_ddSurface2, &rect2, 0, &data);
}
}
}
}
// FUNCTION: LEGO1 0x100bbc10