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Incorporate improvements from @madebr branch

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This commit is contained in:
Christian Semmler 2024-12-23 08:05:46 -07:00
parent b7e31cad33
commit e40a69de50
2 changed files with 57 additions and 65 deletions
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2
LEGO1/omni/include/mxdisplaysurface.h
View File

@ -45,7 +45,7 @@ class MxDisplaySurface : public MxCore {
MxS32 p_width,
MxS32 p_height
); // vtable+0x28
virtual MxBool VTable0x2c(
virtual void VTable0x2c(
LPDDSURFACEDESC p_ddSurface,
MxBitmap* p_bitmap,
MxS32 p_left,

120
LEGO1/omni/src/video/mxdisplaysurface.cpp
View File

@ -1213,8 +1213,8 @@ void MxDisplaySurface::VTable0x24(
}
// FUNCTION: LEGO1 0x100bc630
MxBool MxDisplaySurface::VTable0x2c(
LPDDSURFACEDESC p_ddSurface,
void MxDisplaySurface::VTable0x2c(
LPDDSURFACEDESC p_desc,
MxBitmap* p_bitmap,
MxS32 p_left,
MxS32 p_top,
@ -1222,10 +1222,12 @@ MxBool MxDisplaySurface::VTable0x2c(
MxS32 p_bottom,
MxS32 p_width,
MxS32 p_height,
MxBool p_und
MxBool p_RLE
)
{
if (GetRectIntersection(
// DECOMP: Almost an exact copy of VTable0x28, except that it uses the argument DDSURFACEDESC
// instead of getting one from GetDisplayMode.
if (!GetRectIntersection(
p_bitmap->GetBmiWidth(),
p_bitmap->GetBmiHeightAbs(),
m_videoParam.GetRect().GetWidth(),
@ -1237,68 +1239,58 @@ MxBool MxDisplaySurface::VTable0x2c(
&p_width,
&p_height
)) {
MxU8* data = p_bitmap->GetStart(p_left, p_top);
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
default:
return m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount;
break;
case 8: {
MxU8* surface = (MxU8*) p_ddSurface->lpSurface + p_right + (p_bottom * p_ddSurface->lPitch);
if (p_und) {
MxS32 size = p_bitmap->GetBmiHeader()->biSizeImage;
DrawTransparentRLE(data, surface, size, p_width, p_height, p_ddSurface->lPitch, 8);
}
else {
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxLong length = -p_width + p_ddSurface->lPitch;
for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 j = 0; j < p_width; j++) {
if (*data != 0) {
*surface = *data;
}
data++;
surface++;
}
data += stride;
surface += length;
}
}
return FALSE;
}
case 16: {
MxU8* surface = (MxU8*) p_ddSurface->lpSurface + (2 * p_right) + (p_bottom * p_ddSurface->lPitch);
if (p_und) {
MxS32 size = p_bitmap->GetBmiHeader()->biSizeImage;
DrawTransparentRLE(data, surface, size, p_width, p_height, p_ddSurface->lPitch, 16);
}
else {
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxLong length = -2 * p_width + p_ddSurface->lPitch;
for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 j = 0; j < p_width; j++) {
if (*data != 0) {
*(MxU16*) surface = m_16bitPal[*data];
}
data++;
surface += 2;
}
data += stride;
surface += length;
}
}
return FALSE;
}
}
return;
}
return FALSE;
MxU8* src = p_bitmap->GetStart(p_left, p_top);
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
MxLong destStride = p_desc->lPitch;
MxU8* dest = (MxU8*) p_desc->lpSurface + p_right + (p_bottom * p_desc->lPitch);
if (p_RLE) {
DrawTransparentRLE(src, dest, p_bitmap->GetBmiHeader()->biSizeImage, p_width, p_height, p_desc->lPitch, 8);
}
else {
MxLong srcSkip = GetAdjustedStride(p_bitmap) - p_width;
MxLong destSkip = destStride - p_width;
for (MxS32 i = 0; i < p_height; i++, src += srcSkip, dest += destSkip) {
for (MxS32 j = 0; j < p_width; j++, src++, dest++) {
if (*src) {
*dest = *src;
}
}
}
}
break;
}
case 16: {
MxLong destStride = p_desc->lPitch;
MxU8* dest = (MxU8*) p_desc->lpSurface + (2 * p_right) + (p_bottom * p_desc->lPitch);
if (p_RLE) {
DrawTransparentRLE(src, dest, p_bitmap->GetBmiHeader()->biSizeImage, p_width, p_height, p_desc->lPitch, 16);
}
else {
MxLong srcStride = GetAdjustedStride(p_bitmap);
MxLong srcSkip = srcStride - p_width;
MxLong destSkip = destStride - 2 * p_width;
for (MxS32 i = 0; i < p_height; i++, src += srcSkip, dest += destSkip) {
for (MxS32 j = 0; j < p_width; j++, src++, dest += 2) {
if (*src != 0) {
*(MxU16*) dest = m_16bitPal[*src];
}
}
}
}
break;
}
default:
break;
}
}
// FUNCTION: LEGO1 0x100bc8b0