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Render buttons as sprites (#488)

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Anders Jenbo 2025-07-05 07:39:51 +02:00 committed by GitHub
parent b2156c94bf
commit 761dc31ac0
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GPG Key ID: B5690EEEBB952194
1 changed files with 37 additions and 12 deletions
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43
LEGO1/omni/src/video/mxdisplaysurface.cpp
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@ -409,9 +409,16 @@ void MxDisplaySurface::VTable0x28(
return;
}
if (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount != 32) {
DDCOLORKEY colorKey;
if (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount == 8) {
colorKey.dwColorSpaceLowValue = colorKey.dwColorSpaceHighValue = 0x10;
}
else {
colorKey.dwColorSpaceLowValue = colorKey.dwColorSpaceHighValue = RGB555_CREATE(0x1f, 0, 0x1f);
}
tempSurface->SetColorKey(DDCKEY_SRCBLT, &colorKey);
}
DDSURFACEDESC tempDesc;
memset(&tempDesc, 0, sizeof(tempDesc));
@ -503,29 +510,43 @@ void MxDisplaySurface::VTable0x30(
DDSURFACEDESC ddsd;
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT | DDSD_CAPS;
ddsd.dwWidth = p_width;
ddsd.dwHeight = p_height;
ddsd.ddpfPixelFormat = m_surfaceDesc.ddpfPixelFormat;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
HRESULT hr = m_ddSurface2->Lock(NULL, &ddsd, DDLOCK_WAIT | DDLOCK_WRITEONLY, NULL);
if (hr == DDERR_SURFACELOST) {
m_ddSurface2->Restore();
hr = m_ddSurface2->Lock(NULL, &ddsd, DDLOCK_WAIT | DDLOCK_WRITEONLY, NULL);
LPDIRECTDRAW draw = MVideoManager()->GetDirectDraw();
LPDIRECTDRAWSURFACE tempSurface = nullptr;
if (draw->CreateSurface(&ddsd, &tempSurface, nullptr) != DD_OK || !tempSurface) {
return;
}
if (hr != DD_OK) {
DDCOLORKEY colorKey;
colorKey.dwColorSpaceLowValue = colorKey.dwColorSpaceHighValue = 0;
tempSurface->SetColorKey(DDCKEY_SRCBLT, &colorKey);
DDSURFACEDESC tempDesc;
memset(&tempDesc, 0, sizeof(tempDesc));
tempDesc.dwSize = sizeof(tempDesc);
if (tempSurface->Lock(NULL, &tempDesc, DDLOCK_WAIT | DDLOCK_WRITEONLY, NULL) != DD_OK) {
tempSurface->Release();
return;
}
MxU8* data = p_bitmap->GetStart(p_left, p_top);
MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
MxU8* surface = (MxU8*) ddsd.lpSurface + (bytesPerPixel * p_right) + (p_bottom * ddsd.lPitch);
MxU8* surface = (MxU8*) tempDesc.lpSurface;
if (p_RLE) {
MxS32 size = p_bitmap->GetBmiHeader()->biSizeImage;
DrawTransparentRLE(data, surface, size, p_width, p_height, ddsd.lPitch, bytesPerPixel * 8);
DrawTransparentRLE(data, surface, size, p_width, p_height, tempDesc.lPitch, bytesPerPixel * 8);
}
else {
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxLong length = -bytesPerPixel * p_width + ddsd.lPitch;
MxLong length = -bytesPerPixel * p_width + tempDesc.lPitch;
for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 j = 0; j < p_width; j++) {
@ -550,7 +571,11 @@ void MxDisplaySurface::VTable0x30(
}
}
m_ddSurface2->Unlock(ddsd.lpSurface);
tempSurface->Unlock(NULL);
m_ddSurface2->BltFast(p_right, p_bottom, tempSurface, NULL, DDBLTFAST_WAIT | DDBLTFAST_SRCCOLORKEY);
tempSurface->Release();
}
// FUNCTION: LEGO1 0x100bb500