diff options
| author | yum <yum.food.vr@gmail.com> | 2025-02-20 17:58:06 -0800 |
|---|---|---|
| committer | yum <yum.food.vr@gmail.com> | 2025-02-20 17:58:06 -0800 |
| commit | 01eeb68639ee4e3a5aeacf321c35a46c7dfe5c3d (patch) | |
| tree | a2f20ba0d81bdc9427eec155fe4fc5ed4209648a /Scripts/Editor | |
| parent | 36bd33d973f54f91f881cee87a234994d3fbd4eb (diff) | |
Add metallic+gloss map
Diffstat (limited to 'Scripts/Editor')
| -rw-r--r-- | Scripts/Editor/GenerateMetallicGlossMap.cs | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/Scripts/Editor/GenerateMetallicGlossMap.cs b/Scripts/Editor/GenerateMetallicGlossMap.cs new file mode 100644 index 0000000..78f54cf --- /dev/null +++ b/Scripts/Editor/GenerateMetallicGlossMap.cs @@ -0,0 +1,94 @@ +using UnityEngine;
+using UnityEditor;
+using System.IO;
+
+public class GenerateMetallicGlossMap : EditorWindow
+{
+ private Texture2D metallicMap;
+ private Texture2D smoothnessMap;
+ private bool invertSmoothness = false;
+
+ [MenuItem("Tools/yum_food/GenerateMetallicGlossMap")]
+ public static void ShowWindow()
+ {
+ GetWindow<GenerateMetallicGlossMap>("Metallic Gloss Map Generator");
+ }
+
+ private void OnGUI()
+ {
+ GUILayout.Label("Metallic Gloss Map Generator", EditorStyles.boldLabel);
+
+ metallicMap = (Texture2D)EditorGUILayout.ObjectField(
+ "Metallic Map (R)", metallicMap, typeof(Texture2D), false);
+ smoothnessMap = (Texture2D)EditorGUILayout.ObjectField(
+ "Smoothness Map (R)", smoothnessMap, typeof(Texture2D), false);
+
+ invertSmoothness = EditorGUILayout.Toggle("Invert Smoothness", invertSmoothness);
+
+ if (GUILayout.Button("Generate Metallic Gloss Map") && metallicMap != null && smoothnessMap != null)
+ {
+ GenerateMap();
+ }
+ }
+
+ private void GenerateMap()
+ {
+ // Get path of metallic map
+ string path = AssetDatabase.GetAssetPath(metallicMap);
+ string directory = Path.GetDirectoryName(path);
+ string newPath = Path.Combine(directory, metallicMap.name + "_metallicgloss.png");
+
+ // Create new texture
+ int width = metallicMap.width;
+ int height = metallicMap.height;
+ Texture2D combinedTexture = new Texture2D(width, height, TextureFormat.RGBA32, false);
+
+ // Make the texture readable
+ TextureImporter metallicImporter = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(metallicMap)) as TextureImporter;
+ TextureImporter smoothnessImporter = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(smoothnessMap)) as TextureImporter;
+
+ bool metallicReadable = metallicImporter.isReadable;
+ bool smoothnessReadable = smoothnessImporter.isReadable;
+
+ metallicImporter.isReadable = true;
+ smoothnessImporter.isReadable = true;
+
+ AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(metallicMap));
+ AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(smoothnessMap));
+
+ // Get pixels
+ Color[] metallicPixels = metallicMap.GetPixels();
+ Color[] smoothnessPixels = smoothnessMap.GetPixels();
+ Color[] newPixels = new Color[metallicPixels.Length];
+
+ // Combine channels (R from metallic, A from smoothness)
+ for (int i = 0; i < metallicPixels.Length; i++)
+ {
+ float smoothness = invertSmoothness ? 1 - smoothnessPixels[i].r : smoothnessPixels[i].r;
+ newPixels[i] = new Color(
+ metallicPixels[i].r, // Metallic in R
+ 0, // Empty G
+ 0, // Empty B
+ smoothness // Smoothness in A (inverted if flag is set)
+ );
+ }
+
+ // Apply pixels and save
+ combinedTexture.SetPixels(newPixels);
+ combinedTexture.Apply();
+
+ // Encode and save
+ byte[] bytes = combinedTexture.EncodeToPNG();
+ File.WriteAllBytes(newPath, bytes);
+
+ // Restore original import settings
+ metallicImporter.isReadable = metallicReadable;
+ smoothnessImporter.isReadable = smoothnessReadable;
+
+ AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(metallicMap));
+ AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(smoothnessMap));
+ AssetDatabase.ImportAsset(newPath);
+
+ Debug.Log("Generated metallic gloss map at: " + newPath);
+ }
+}
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