Implement/match WriteDefaultTexture (#1213)

This commit is contained in:
Christian Semmler
2024-12-12 11:02:14 -07:00
committed by GitHub
parent aceba71fbb
commit 894034f9cf
4 changed files with 79 additions and 12 deletions

View File

@@ -686,9 +686,75 @@ LegoNamedTexture* ReadNamedTexture(LegoFile* p_file)
return namedTexture;
}
// STUB: LEGO1 0x1003f540
void FUN_1003f540(LegoFile* p_file, const char* p_filename)
// FUNCTION: LEGO1 0x1003f540
void WriteDefaultTexture(LegoFile* p_file, const char* p_name)
{
MxString name(p_name);
LegoTextureInfo* textureInfo = TextureContainer()->Get(p_name);
if (textureInfo != NULL) {
DDSURFACEDESC desc;
LegoPaletteEntry paletteEntries[256];
LPDIRECTDRAWSURFACE surface = textureInfo->m_surface;
memset(&desc, 0, sizeof(desc));
desc.dwSize = sizeof(desc);
if (surface->Lock(NULL, &desc, DDLOCK_SURFACEMEMORYPTR, NULL) == DD_OK) {
LegoImage* image = new LegoImage(desc.dwWidth, desc.dwHeight);
if (image != NULL) {
if (desc.dwWidth == desc.lPitch) {
memcpy(desc.lpSurface, image->GetBits(), desc.dwWidth * desc.dwHeight);
}
else {
MxU8* surface = (MxU8*) desc.lpSurface;
LegoU8* bits = image->GetBits();
for (MxS32 i = 0; i < desc.dwHeight; i++) {
memcpy(surface, bits, desc.dwWidth);
surface += desc.lPitch;
bits += desc.dwWidth;
}
}
surface->Unlock(desc.lpSurface);
PALETTEENTRY entries[256];
if (textureInfo->m_palette->GetEntries(0, 0, sizeOfArray(entries), entries) == DD_OK) {
MxS32 i;
for (i = 0; i < sizeOfArray(entries); i++) {
if (entries[i].peFlags != 0) {
break;
}
paletteEntries[i].SetRed(entries[i].peRed);
paletteEntries[i].SetGreen(entries[i].peGreen);
paletteEntries[i].SetBlue(entries[i].peBlue);
}
image->SetCount(i);
if (i > 0) {
// Note: this appears to be a bug. size should be i * sizeof(LegoPaletteEntry)
memcpy(image->GetPalette(), paletteEntries, i);
}
LegoTexture texture;
texture.SetImage(image);
p_file->WriteString(name);
texture.Write(p_file);
}
else {
delete image;
}
}
else {
surface->Unlock(desc.lpSurface);
}
}
}
}
// FUNCTION: LEGO1 0x1003f8a0