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More accurate SetupCopyRect

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This commit is contained in:
Regan Green 2023-10-04 21:07:30 -04:00
parent 0ce5e79069
commit 4496905736
1 changed files with 18 additions and 19 deletions
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37
LEGO1/mxtransitionmanager.cpp
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@ -291,7 +291,7 @@ void MxTransitionManager::SubmitCopyRect(DDSURFACEDESC &ddsc)
m_copyBuffer = NULL;
}
// OFFSET: LEGO1 0x1004c580 STUB
// OFFSET: LEGO1 0x1004c580
void MxTransitionManager::SetupCopyRect(DDSURFACEDESC &ddsc)
{
// Check if the copy rect is setup
@ -304,39 +304,38 @@ void MxTransitionManager::SetupCopyRect(DDSURFACEDESC &ddsc)
// Check if wait indicator has started
if (m_waitIndicator->GetCurrentTickleState() >= MxPresenter::TickleState_Streaming) {
MxS32 left = m_waitIndicator->GetLocation().m_x;
MxS32 top = m_waitIndicator->GetLocation().m_y;
// Setup the copy rect
DWORD copyPitch = (ddsc.ddpfPixelFormat.dwRGBBitCount / 8) * (m_copyRect.right - m_copyRect.left + 1); // This uses m_copyRect, seemingly erroneously
DWORD bytesPerPixel = ddsc.ddpfPixelFormat.dwRGBBitCount / 8;
DWORD copyPitch = bytesPerPixel * (m_copyRect.right - m_copyRect.left + 1);
m_copyRect.left = left;
m_copyRect.top = top;
m_copyRect.left = m_waitIndicator->GetLocation().m_x;
m_copyRect.top = m_waitIndicator->GetLocation().m_y;
MxS32 height = m_waitIndicator->GetHeight();
MxS32 width = m_waitIndicator->GetWidth();
m_copyRect.right = left + width - 1;
m_copyRect.bottom = top + height - 1;
m_copyRect.right = m_copyRect.left + width - 1;
m_copyRect.bottom = m_copyRect.top + height - 1;
const char *src;
char *copyBuffer;
// Allocate the copy buffer
const char *src = (const char*)ddsc.lpSurface + m_copyRect.top * ddsc.lPitch + bytesPerPixel * m_copyRect.left;
src = (const char*)ddsc.lpSurface + m_copyRect.top * ddsc.lPitch + bytesPerPixel * m_copyRect.left;
copyBuffer = (char*)malloc(bytesPerPixel * (m_copyRect.right - m_copyRect.left + 1) * (m_copyRect.bottom - m_copyRect.top + 1));
this->m_copyBuffer = copyBuffer;
if (!copyBuffer)
m_copyBuffer = malloc(bytesPerPixel * width * height);
if (!m_copyBuffer)
return;
for (LONG i = 0; i < (m_copyRect.bottom - m_copyRect.top + 1); i++)
// Copy into the copy buffer
char *dst = (char*)m_copyBuffer;
for (MxS32 i = 0; i < (m_copyRect.bottom - m_copyRect.top + 1); i++)
{
memcpy(copyBuffer, src, copyPitch);
copyBuffer += copyPitch;
memcpy(dst, src, copyPitch);
src += ddsc.lPitch;
dst += copyPitch;
}
}
// Setup display surface
if ((m_waitIndicator->GetAction()->GetFlags() & 0x10) != 0)
{
MxDisplaySurface *displaySurface = VideoManager()->GetDisplaySurface();