bugfix(textureloader): Add null checks for D3DTexture to prevent crashes

Author: seer-by-sentry[bot]

Core/Libraries/Source/WWVegas/WW3D2/textureloader.cpp

@@ -1530,6 +1530,10 @@ bool TextureLoadTaskClass::Begin_Compressed_Load()
 #endif
 	);
 
+	if (!D3DTexture) {
+		return false;
+	}
+
 	MipLevelCount = mip_level_count;
 
 	return true;
@@ -1625,6 +1629,10 @@ bool TextureLoadTaskClass::Begin_Uncompressed_Load()
 #endif
 	);
 
+	if (!D3DTexture) {
+		return false;
+	}
+
 	return true;
 }
 
@@ -1775,6 +1783,10 @@ bool TextureLoadTaskClass::Begin_Uncompressed_Load()
 
 void TextureLoadTaskClass::Lock_Surfaces()
 {
+	if (!D3DTexture) {
+		return;
+	}
+
 	MipLevelCount = D3DTexture->GetLevelCount();
 
 	for (unsigned int i = 0; i < MipLevelCount; ++i)