mirrors/isle
1
0
Fork 0
mirror of https://github.com/isledecomp/isle.git synced 2025-10-23 00:14:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

Implement MxDisplaySurface::CreateCursorSurface (#471)

Browse Source 
* Update mxdisplaysurface.cpp

* Fixes

* Update legovideomanager.cpp

* Match to 100%

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
This commit is contained in:
Misha
2024-01-20 16:12:35 -05:00
committed by GitHub
parent 67fa5e7cca
commit 93012b62f4
4 changed files with 85 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
LEGO1/omni/include/mxdisplaysurface.h
View File

@@ -91,7 +91,7 @@ public:
); // vtable+0x44
void ClearScreen();
static LPDIRECTDRAWSURFACE FUN_100bc070();
static LPDIRECTDRAWSURFACE CreateCursorSurface();
inline LPDIRECTDRAWSURFACE GetDirectDrawSurface1() { return this->m_ddSurface1; }
inline LPDIRECTDRAWSURFACE GetDirectDrawSurface2() { return this->m_ddSurface2; }

74
LEGO1/omni/src/video/mxdisplaysurface.cpp
View File

@@ -679,9 +679,79 @@ done:
return surface;
}
// STUB: LEGO1 0x100bc070
LPDIRECTDRAWSURFACE MxDisplaySurface::FUN_100bc070()
// FUNCTION: LEGO1 0x100bc070
LPDIRECTDRAWSURFACE MxDisplaySurface::CreateCursorSurface()
{
LPDIRECTDRAWSURFACE newSurface = NULL;
IDirectDraw* draw = MVideoManager()->GetDirectDraw();
MVideoManager();
DDSURFACEDESC ddsd;
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
if (draw->GetDisplayMode(&ddsd) != S_OK) {
return NULL;
}
if (ddsd.ddpfPixelFormat.dwRGBBitCount != 16) {
return NULL;
}
ddsd.dwWidth = 16;
ddsd.dwHeight = 16;
ddsd.dwFlags = DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_VIDEOMEMORY | DDSCAPS_OFFSCREENPLAIN;
if (draw->CreateSurface(&ddsd, &newSurface, NULL) != S_OK) {
ddsd.ddsCaps.dwCaps &= ~DDSCAPS_VIDEOMEMORY;
ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY;
if (draw->CreateSurface(&ddsd, &newSurface, NULL) != S_OK)
goto done;
}
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
if (newSurface->Lock(NULL, &ddsd, DDLOCK_WAIT, NULL) != S_OK)
goto done;
else {
MxU16* surface = (MxU16*) ddsd.lpSurface;
MxLong pitch = ddsd.lPitch;
// draw a simple cursor to the surface
for (MxS32 x = 0; x < 16; x++) {
MxU16* surface2 = surface;
for (MxS32 y = 0; y < 16; y++) {
if ((y > 10 || x) && (x > 10 || y) && x + y != 10) {
if (x + y > 10)
*surface2 = 31775;
else
*surface2 = -1;
}
else {
*surface2 = 0;
}
surface2++;
}
surface = (MxU16*) ((MxU8*) surface + pitch);
}
newSurface->Unlock(ddsd.lpSurface);
DDCOLORKEY colorkey;
colorkey.dwColorSpaceHighValue = 31775;
colorkey.dwColorSpaceLowValue = 31775;
newSurface->SetColorKey(DDCKEY_SRCBLT, &colorkey);
return newSurface;
}
done:
if (newSurface) {
newSurface->Release();
}
return NULL;
}