FCTextureImportProcessor.cs

#if !UNITY_EDITOR || FCLOG
using Debug = FC.Debug;
#else
using Debug = UnityEngine.Debug;
#endif

using UnityEditor;
using UnityEngine;

public class FCTextureImportProcessor : AssetPostprocessor {

	// disabling this because it runs every time you Apply changes to a texture
	//private void OnPreprocessTexture() {
	//	var imp = assetImporter as TextureImporter;
	//	SetCompressed(imp);
	//}

	[MenuItem("Assets/Import/Set Texture Compressed 4096", false, 10000)]
	static void SetCompressedMenu4096() {
		SetCompressedMenu(4096);
	}
	
	[MenuItem("Assets/Import/Set Texture Compressed 2048", false, 10000)]
	static void SetCompressedMenu2048() {
		SetCompressedMenu(2048);
	}
	
	[MenuItem("Assets/Import/Set Texture Uncompressed 4096", false, 10000)]
	static void SetUnCompressedMenu4096() {
		SetUnCompressedMenu(4096);
	}
	
	[MenuItem("Assets/Import/Set Texture Uncompressed 2048", false, 10000)]
	static void SetUnCompressedMenu2048() {
		SetUnCompressedMenu(2048);
	}
	
	static void SetCompressedMenu(int size) {
		var objs = Selection.GetFiltered(typeof(Texture2D), SelectionMode.DeepAssets);
		foreach (var obj in objs) {
			var path = AssetDatabase.GetAssetPath(obj);
			var imp = AssetImporter.GetAtPath(path);
			var tImp = imp as TextureImporter;
			SetCompressed(tImp, size);
			tImp.SaveAndReimport();
		}
	}

	static void SetUnCompressedMenu(int size) {
		var objs = Selection.GetFiltered(typeof(Texture2D), SelectionMode.DeepAssets);
		foreach (var obj in objs) {
			var path = AssetDatabase.GetAssetPath(obj);
			var imp = AssetImporter.GetAtPath(path);
			var tImp = imp as TextureImporter;
			SetUncompressed(tImp, size);
			tImp.SaveAndReimport();
		}
	}

	public static void SetCompressed(TextureImporter imp, int textureSize) {
		imp.textureType = TextureImporterType.Sprite;
		imp.mipmapEnabled = false;
		imp.npotScale = TextureImporterNPOTScale.None;
		imp.maxTextureSize = textureSize;
		imp.textureCompression = TextureImporterCompression.CompressedHQ;
		imp.crunchedCompression = true;
		imp.compressionQuality = 100;

		var android = imp.GetPlatformTextureSettings("Android");
		android.overridden = true;
		android.format = TextureImporterFormat.ETC2_RGBA8Crunched;
		android.maxTextureSize = textureSize;
		android.compressionQuality = 100;
		android.crunchedCompression = true;
		android.androidETC2FallbackOverride = AndroidETC2FallbackOverride.UseBuildSettings;
		imp.SetPlatformTextureSettings(android);

		var iphone = imp.GetPlatformTextureSettings("iPhone");
		iphone.overridden = true;
		iphone.format = TextureImporterFormat.ETC2_RGBA8Crunched;
		iphone.maxTextureSize = textureSize;
		iphone.compressionQuality = 100;
		iphone.crunchedCompression = true;
		imp.SetPlatformTextureSettings(iphone);

		Debug.Log("FCTextureImportProcessor.SetCompressed: processed '" + imp.assetPath + "'.");
	}

	public static void SetUncompressed(TextureImporter imp, int textureSize) {
		imp.textureType = TextureImporterType.Sprite;
		imp.mipmapEnabled = false;
		imp.npotScale = TextureImporterNPOTScale.None;
		imp.maxTextureSize = textureSize;
		imp.textureCompression = TextureImporterCompression.Uncompressed;

		imp.ClearPlatformTextureSettings("Android");
		imp.ClearPlatformTextureSettings("iPhone");

		Debug.Log("FCTextureImportProcessor.SetUncompressed: processed '" + imp.assetPath + "'.");
	}

}