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Implement MxDisplaySurface::VTable0x2c

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This commit is contained in:
Joshua Peisach 2024-12-23 08:10:40 -05:00
parent 1f582eb610
commit 7b2f708f39
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GPG Key ID: 41C3D4189AFEDB5A
2 changed files with 94 additions and 21 deletions
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20
LEGO1/omni/include/mxdisplaysurface.h
View File

@ -45,16 +45,16 @@ class MxDisplaySurface : public MxCore {
MxS32 p_width,
MxS32 p_height
); // vtable+0x28
virtual MxBool VTable0x2c(
LPDDSURFACEDESC,
MxBitmap*,
undefined4,
undefined4,
undefined4,
undefined4,
undefined4,
undefined4,
MxBool
virtual MxBool MxDisplaySurface::VTable0x2c(
LPDDSURFACEDESC p_ddSurface,
MxBitmap* p_bitmap,
MxS32 p_left,
MxS32 p_top,
MxS32 p_right,
MxS32 p_bottom,
MxS32 p_width,
MxS32 p_height,
MxBool p_und
); // vtable+0x2c
virtual void VTable0x30(
MxBitmap* p_bitmap,

95
LEGO1/omni/src/video/mxdisplaysurface.cpp
View File

@ -1212,20 +1212,93 @@ void MxDisplaySurface::VTable0x24(
}
}
// STUB: LEGO1 0x100bc630
// FUNCTION: LEGO1 0x100bc630
MxBool MxDisplaySurface::VTable0x2c(
LPDDSURFACEDESC,
MxBitmap*,
undefined4,
undefined4,
undefined4,
undefined4,
undefined4,
undefined4,
MxBool
LPDDSURFACEDESC p_ddSurface,
MxBitmap* p_bitmap,
MxS32 p_left,
MxS32 p_top,
MxS32 p_right,
MxS32 p_bottom,
MxS32 p_width,
MxS32 p_height,
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
)) {
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 FALSE;
}
// FUNCTION: LEGO1 0x100bc8b0