Additional debugging output

lighting.cpp

@@ -399,7 +399,12 @@ unsigned char compute_faceVertex_light5(const world_t* world, const face_t* refF
 	}
 
 	if (!numSamples)
-		return 0;	// Shouldn't happen
+	{
+		// This really shouldn't happen. At the very least we should get a sample from the reference face, which this point originates from.
+		// The most common cause of issues here are floating point rounding errors in world->facesWithPoint
+		printf("Couldn't get any light samples for point (%.2f, %.2f, %.2f)! This is definitely a bug and should be looked at!\n", point.x, point.y, point.z);
+		return 0;
+	}
 
 	// We should always end up with at least one sample (that from refFace itself), so if we divide by zero here something is very much wrong
 	return (unsigned char)(light / numSamples);

main.cpp

@@ -430,6 +430,15 @@ int process_faces(const world_t* world, const TextureList& textures)
 
 int process_bsp(const world_t *world)
 {
+	FILE* fents;
+	sprintf_s(path, _MAX_PATH, "%s.ents", world->name);
+	fopen_s(&fents, path, "w");
+	if (fents)
+	{
+		fwrite(world->entities, sizeof(char), world->entitiesLength, fents);
+		fclose(fents);
+	}
+
 	// Test exporting texture data
 	TextureList textures;
 	if (!process_textures(world, textures))