81 lines
3.1 KiB
C#
81 lines
3.1 KiB
C#
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using UnityEditor;
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using UnityEngine;
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namespace FlatKit {
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public class TerrainEditor : StylizedSurfaceEditor, ITerrainLayerCustomUI {
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private class StylesLayer {
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public readonly GUIContent diffuseTexture = new GUIContent("Diffuse");
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public readonly GUIContent colorTint = new GUIContent("Color Tint");
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public readonly GUIContent opacityAsDensity = new GUIContent("Opacity as Density",
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"Enable Density Blend (if unchecked, opacity is used as Smoothness)");
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}
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static StylesLayer s_Styles = null;
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private static StylesLayer styles {
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get {
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if (s_Styles == null) s_Styles = new StylesLayer();
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return s_Styles;
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}
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}
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// Height blend params
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const string kEnableHeightBlend = "_EnableHeightBlend";
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public bool OnTerrainLayerGUI(TerrainLayer terrainLayer, Terrain terrain) {
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var terrainLayers = terrain.terrainData.terrainLayers;
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// Don't use the member field enableHeightBlend as ShaderGUI.OnGUI might not be called if the material UI is folded.
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// heightblend shouldn't be available if we are in multi-pass mode, because it is guaranteed to be broken.
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bool heightBlendAvailable = (terrainLayers.Length <= 4);
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bool heightBlend = heightBlendAvailable && terrain.materialTemplate.HasProperty(kEnableHeightBlend) &&
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(terrain.materialTemplate.GetFloat(kEnableHeightBlend) > 0);
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terrainLayer.diffuseTexture =
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EditorGUILayout.ObjectField(styles.diffuseTexture, terrainLayer.diffuseTexture, typeof(Texture2D), false) as
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Texture2D;
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TerrainLayerUtility.ValidateDiffuseTextureUI(terrainLayer.diffuseTexture);
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var diffuseRemapMin = terrainLayer.diffuseRemapMin;
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var diffuseRemapMax = terrainLayer.diffuseRemapMax;
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EditorGUI.BeginChangeCheck();
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bool enableDensity = false;
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if (terrainLayer.diffuseTexture != null) {
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var rect = GUILayoutUtility.GetLastRect();
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rect.y += 16 + 4;
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rect.width = EditorGUIUtility.labelWidth + 64;
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rect.height = 16;
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++EditorGUI.indentLevel;
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var diffuseTint = new Color(diffuseRemapMax.x, diffuseRemapMax.y, diffuseRemapMax.z);
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diffuseTint = EditorGUI.ColorField(rect, styles.colorTint, diffuseTint, true, false, false);
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diffuseRemapMax.x = diffuseTint.r;
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diffuseRemapMax.y = diffuseTint.g;
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diffuseRemapMax.z = diffuseTint.b;
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diffuseRemapMin.x = diffuseRemapMin.y = diffuseRemapMin.z = 0;
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if (!heightBlend) {
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rect.y = rect.yMax + 2;
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enableDensity = EditorGUI.Toggle(rect, styles.opacityAsDensity, diffuseRemapMin.w > 0);
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}
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--EditorGUI.indentLevel;
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}
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diffuseRemapMax.w = 1;
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diffuseRemapMin.w = enableDensity ? 1 : 0;
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if (EditorGUI.EndChangeCheck()) {
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terrainLayer.diffuseRemapMin = diffuseRemapMin;
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terrainLayer.diffuseRemapMax = diffuseRemapMax;
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}
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EditorGUILayout.Space();
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TerrainLayerUtility.TilingSettingsUI(terrainLayer);
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return true;
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}
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}
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}
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