SomeThings

Assets/Scripts/TerrainGen/Data/TerrainData.asset.meta

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Assets/Scripts/TerrainGen/Data/TerrainData.cs

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+using UnityEngine;
+using System.Collections;
+
+[CreateAssetMenu()]
+public class TerrainData : UpdatableData {
+	
+	public float uniformScale = 2.5f;
+
+	public bool useFlatShading;
+	public bool useFalloff;
+
+	public float meshHeightMultiplier;
+	public AnimationCurve meshHeightCurve;
+
+	public float minHeight {
+		get {
+			return uniformScale * meshHeightMultiplier * meshHeightCurve.Evaluate (0);
+		}
+	}
+
+	public float maxHeight {
+		get {
+			return uniformScale * meshHeightMultiplier * meshHeightCurve.Evaluate (1);
+		}
+	}
+}

Assets/Scripts/TerrainGen/Data/TerrainData.cs.meta

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Assets/Scripts/TerrainGen/Data/TextureData.asset

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Assets/Scripts/TerrainGen/Data/TextureData.asset.meta

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Assets/Scripts/TerrainGen/Data/TextureData.cs

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+using UnityEngine;
+using System.Collections;
+using System.Linq;
+
+[CreateAssetMenu()]
+public class TextureData : UpdatableData {
+
+	const int textureSize = 512;
+	const TextureFormat textureFormat = TextureFormat.RGB565;
+
+	public Layer[] layers;
+
+	float savedMinHeight;
+	float savedMaxHeight;
+
+	public void ApplyToMaterial(Material material) {
+		
+		material.SetInt ("layerCount", layers.Length);
+		material.SetColorArray ("baseColours", layers.Select(x => x.tint).ToArray());
+		material.SetFloatArray ("baseStartHeights", layers.Select(x => x.startHeight).ToArray());
+		material.SetFloatArray ("baseBlends", layers.Select(x => x.blendStrength).ToArray());
+		material.SetFloatArray ("baseColourStrength", layers.Select(x => x.tintStrength).ToArray());
+		material.SetFloatArray ("baseTextureScales", layers.Select(x => x.textureScale).ToArray());
+		Texture2DArray texturesArray = GenerateTextureArray (layers.Select (x => x.texture).ToArray ());
+		material.SetTexture ("baseTextures", texturesArray);
+
+		UpdateMeshHeights (material, savedMinHeight, savedMaxHeight);
+	}
+
+	public void UpdateMeshHeights(Material material, float minHeight, float maxHeight) {
+		savedMinHeight = minHeight;
+		savedMaxHeight = maxHeight;
+
+		material.SetFloat ("minHeight", minHeight);
+		material.SetFloat ("maxHeight", maxHeight);
+	}
+
+	Texture2DArray GenerateTextureArray(Texture2D[] textures) {
+		Texture2DArray textureArray = new Texture2DArray (textureSize, textureSize, textures.Length, textureFormat, true);
+		for (int i = 0; i < textures.Length; i++) {
+			textureArray.SetPixels (textures [i].GetPixels (), i);
+		}
+		textureArray.Apply ();
+		return textureArray;
+	}
+
+	[System.Serializable]
+	public class Layer {
+		public Texture2D texture;
+		public Color tint;
+		[Range(0,1)]
+		public float tintStrength;
+		[Range(0,1)]
+		public float startHeight;
+		[Range(0,1)]
+		public float blendStrength;
+		public float textureScale;
+	}
+		
+	 
+}

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Assets/Scripts/TerrainGen/Data/UpdatableData.cs

@@ -0,0 +1,22 @@
+using UnityEngine;
+using System.Collections;
+
+public class UpdatableData : ScriptableObject {
+
+	public event System.Action OnValuesUpdated;
+	public bool autoUpdate;
+
+	protected virtual void OnValidate() {
+		if (autoUpdate) {
+			UnityEditor.EditorApplication.update += NotifyOfUpdatedValues;
+		}
+	}
+
+	public void NotifyOfUpdatedValues() {
+		UnityEditor.EditorApplication.update -= NotifyOfUpdatedValues;
+		if (OnValuesUpdated != null) {
+			OnValuesUpdated ();
+		}
+	}
+
+}

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