2048 lines
74 KiB
C#
2048 lines
74 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using UnityEditor;
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using UnityEditor.SceneManagement;
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using UnityEditorInternal;
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using UnityEngine;
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using UnityEngine.Experimental.Rendering;
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using UnityEngine.Experimental.TerrainAPI;
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namespace UnityEditor.Experimental.TerrainAPI
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{
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[Serializable]
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public class UtilitySettings : ScriptableObject
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{
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// Terrain Split
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public int TileXAxis = 2;
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public int TileZAxis = 2;
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public bool AutoUpdateSettings = true;
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public bool KeepOldTerrains = true;
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public string TerrainAssetDir = "Assets/Terrain";
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// Layers
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public string PalettePath = string.Empty;
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public bool ClearExistLayers = true;
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public bool ApplyAllTerrains = true;
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// Replace splatmap
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public Terrain SplatmapTerrain;
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public Texture2D SplatmapOld0;
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public Texture2D SplatmapNew0;
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public Texture2D SplatmapOld1;
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public Texture2D SplatmapNew1;
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public ImageFormat SelectedFormat = ImageFormat.TGA;
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public RotationAdjustment RotationAdjust = RotationAdjustment.Clockwise;
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public FlipAdjustment FlipAdjust = FlipAdjustment.Horizontal;
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public string SplatFolderPath = "Assets/Splatmaps/";
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public bool AdjustAllSplats = false;
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// Import heightmap
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public Texture2D HeightmapImport;
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public int HeightmapResolution;
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public float ImportHeightRemapMin;
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public float ImportHeightRemapMax;
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public Heightmap.Flip HeightmapFlipMode = Heightmap.Flip.None;
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// Export heightmaps
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public string HeightmapFolderPath = "Assets/Heightmaps/";
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public Heightmap.Format HeightFormat = Heightmap.Format.RAW;
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public Heightmap.Depth HeightmapDepth = Heightmap.Depth.Bit16;
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public ToolboxHelper.ByteOrder HeightmapByteOrder = ToolboxHelper.ByteOrder.Windows;
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public float ExportHeightRemapMin = 0.0f;
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public float ExportHeightRemapMax = 1.0f;
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public bool FlipVertically = false;
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// Enums
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public enum ImageFormat { TGA, PNG }
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public enum SplatmapChannel { R, G, B, A }
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public enum RotationAdjustment { Clockwise, Counterclockwise }
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public enum FlipAdjustment { Horizontal, Vertical }
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// GUI
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public bool ShowTerrainEdit = false;
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public bool ShowTerrainLayers = false;
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public bool ShowReplaceSplatmaps = false;
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public bool ShowExportSplatmaps = false;
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public bool ShowExportHeightmaps = false;
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}
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public class TerrainToolboxUtilities
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{
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Vector2 m_ScrollPosition = Vector2.zero;
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internal UtilitySettings m_Settings = ScriptableObject.CreateInstance<UtilitySettings>();
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// Splatmaps
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int m_SplatmapResolution = 0;
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Terrain[] m_SplatExportTerrains;
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// Terrain Edit
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Terrain[] m_Terrains;
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List<Material> m_TerrainMaterials = new List<Material>();
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// Terrain Split
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Terrain[] m_SplitTerrains;
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// Layers
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List<TerrainLayer> m_CopiedLayers = new List<TerrainLayer>();
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List<Layer> m_PaletteLayers = new List<Layer>();
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ReorderableList m_LayerList;
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TerrainPalette m_SelectedLayerPalette = ScriptableObject.CreateInstance<TerrainPalette>();
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// Heightmap export
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Dictionary<string, Heightmap.Depth> m_DepthOptions = new Dictionary<string, Heightmap.Depth>()
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{
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{ "16 bit", Heightmap.Depth.Bit16 },
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{ "8 bit", Heightmap.Depth.Bit8 }
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};
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internal int m_SelectedDepth = 0;
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// Splatmaps
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internal List<Texture2D> m_Splatmaps = new List<Texture2D>();
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HashSet<Texture2D> m_SplatmapHasCopy = new HashSet<Texture2D>();
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internal ReorderableList m_SplatmapList;
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int m_SelectedSplatMap = 0;
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bool m_PreviewIsDirty = false;
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MaterialPropertyBlock m_PreviewMaterialPropBlock = new MaterialPropertyBlock();
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ToolboxHelper.RenderPipeline m_ActiveRenderPipeline = ToolboxHelper.RenderPipeline.None;
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//Visualization
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Material m_PreviewMaterial;
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bool m_ShowSplatmapPreview = false;
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#if UNITY_2019_2_OR_NEWER
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#else
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Terrain.MaterialType m_TerrainMaterialType;
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float m_TerrainLegacyShininess;
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Color m_TerrainLegacySpecular;
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#endif
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int m_MaxLayerCount = 0;
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int m_MaxSplatmapCount = 0;
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const int kMaxLayerHD = 8; // HD allows up to 8 layers with 2 splat alpha maps
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const int kMaxLayerFeatureLW = 4; // LW allows up to 4 layers when having density or height-based blending enabled
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const int kMaxSplatmapHD = 2;
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const int kMaxSplatmapFeatureLW = 1;
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const int kMaxNoLimit = 20;
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const int kMinHeightmapRes = 32;
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static class Styles
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{
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public static readonly GUIContent TerrainLayers = EditorGUIUtility.TrTextContent("Terrain Layers");
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public static readonly GUIContent ImportSplatmaps = EditorGUIUtility.TrTextContent("Terrain Splatmaps");
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public static readonly GUIContent ExportSplatmaps = EditorGUIUtility.TrTextContent("Export Splatmaps");
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public static readonly GUIContent ExportHeightmaps = EditorGUIUtility.TrTextContent("Export Heightmaps");
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public static readonly GUIContent TerrainEdit = EditorGUIUtility.TrTextContent("Terrain Edit");
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public static readonly GUIContent DuplicateTerrain = EditorGUIUtility.TrTextContent("Duplicate");
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public static readonly GUIContent RemoveTerrain = EditorGUIUtility.TrTextContent("Clean Remove");
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public static readonly GUIContent SplitTerrain = EditorGUIUtility.TrTextContent("Split");
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public static readonly GUIContent DuplicateTerrainBtn = EditorGUIUtility.TrTextContent("Duplicate", "Start duplicating selected terrain(s) and create new terrain data.");
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public static readonly GUIContent RemoveTerrainBtn = EditorGUIUtility.TrTextContent("Remove", "Start removing selected terrain(s) and delete terrain data asset files.");
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public static readonly GUIContent PalettePreset = EditorGUIUtility.TrTextContent("Palette Preset:", "Select or make a palette preset asset.");
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public static readonly GUIContent SavePalette = EditorGUIUtility.TrTextContent("Save", "Save the current palette asset file on disk.");
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public static readonly GUIContent SaveAsPalette = EditorGUIUtility.TrTextContent("Save As", "Save the current palette asset as a new file on disk.");
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public static readonly GUIContent RefreshPalette = EditorGUIUtility.TrTextContent("Refresh", "Load selected palette and apply to list of layers.");
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public static readonly GUIContent ClearExistingLayers = EditorGUIUtility.TrTextContent("Clear Existing Layers", "Remove existing layers on selected terrain(s).");
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public static readonly GUIContent ApplyToAllTerrains = EditorGUIUtility.TrTextContent("All Terrains in Scene", "When unchecked only apply layer changes to selected terrain(s).");
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public static readonly GUIContent ImportTerrainLayersBtn = EditorGUIUtility.TrTextContent("Import From Terrain", "Import layers from the selected terrain.");
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public static readonly GUIContent AddLayersBtn = EditorGUIUtility.TrTextContent("Add to Terrain(s)", "Start adding layers to either all or selected terrain(s).");
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public static readonly GUIContent RemoveLayersBtn = EditorGUIUtility.TrTextContent("Remove All Layers", "Start removing all layers from either all or selected terrain(s)");
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public static readonly GUIContent TerrainToReplaceSplatmap = EditorGUIUtility.TrTextContent("Terrain", "Select a terrain to replace splatmaps on.");
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public static readonly GUIContent SplatmapResolution = EditorGUIUtility.TrTextContent("Splatmap Resolution: ", "The control texture resolution setting of selected terrain.");
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public static readonly GUIContent SplatAlpha0 = EditorGUIUtility.TrTextContent("Old SplatAlpha0", "The SplatAlpha 0 texture from selected terrain.");
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public static readonly GUIContent SplatAlpha1 = EditorGUIUtility.TrTextContent("Old SplatAlpha1", "The SplatAlpha 1 texture from selected terrain.");
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public static readonly GUIContent SplatAlpha0New = EditorGUIUtility.TrTextContent("New SplatAlpha0", "Select a texture to replace the SplatAlpha 0 texture on selected terrain.");
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public static readonly GUIContent SplatAlpha1New = EditorGUIUtility.TrTextContent("New SplatAlpha1", "Select a texture to replace the SplatAlpha 1 texture on selected terrain.");
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public static readonly GUIContent ImportFromSplatmapBtn = EditorGUIUtility.TrTextContent("Import from Selected Terrain", "Import splatmaps from the selected terrain.");
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public static readonly GUIContent ReplaceSplatmapsBtn = EditorGUIUtility.TrTextContent("Replace Splatmaps", "Replace splatmaps with new splatmaps on selected terrain.");
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public static readonly GUIContent ResetSplatmapsBtn = EditorGUIUtility.TrTextContent("Reset Splatmaps", "Clear splatmap textures on selected terrain(s).");
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public static readonly GUIContent ExportToTerrSplatmapBtn = EditorGUIUtility.TrTextContent("Apply to Terrain", "Export splatmaps to selected terrains.");
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public static readonly GUIContent PreviewSplatMapTogg = EditorGUIUtility.TrTextContent("Preview Splatmap", "Preview a splatmap on selected terrains.");
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public static readonly GUIContent RotateSplatmapLabel = EditorGUIUtility.TrTextContent("Rotate Adjustment", "Select whether to rotate clockwise or counterclockwise.");
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public static readonly GUIContent FlipSplatmapLabel = EditorGUIUtility.TrTextContent("Flip Adjustment", "Select whether to flip horizontally or vertically.");
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public static readonly GUIContent RotateSplatmapBtn = EditorGUIUtility.TrTextContent("Rotate", "Rotate splatmap in the selected direction.");
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public static readonly GUIContent FlipSplatmapBtn = EditorGUIUtility.TrTextContent("Flip", "Flip splatmaps in the selected direction.");
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public static readonly GUIContent MultiAdjustTogg = EditorGUIUtility.TrTextContent("Adjust All Splatmaps", "Make changes to all splatmaps.");
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public static readonly GUIContent ExportSplatmapFolderPath = EditorGUIUtility.TrTextContent("Export Folder Path", "Select or input a folder path where splatmap textures will be saved.");
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public static readonly GUIContent ExportSplatmapFormat = EditorGUIUtility.TrTextContent("Splatmap Format", "Texture format of exported splatmap(s).");
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public static readonly GUIContent ExportSplatmapsBtn = EditorGUIUtility.TrTextContent("Export Splatmaps", "Start exporting splatmaps into textures as selected format from selected terrain(s).");
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public static readonly GUIContent OriginalTerrain = EditorGUIUtility.TrTextContent("Original Terrain", "Select a terrain to split into smaller tiles.");
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public static readonly GUIContent TilesX = EditorGUIUtility.TrTextContent("Tiles X Axis", "Number of tiles along X axis.");
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public static readonly GUIContent TilesZ = EditorGUIUtility.TrTextContent("Tiles Z Axis", "Number of tiles along Z axis.");
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public static readonly GUIContent AutoUpdateSetting = EditorGUIUtility.TrTextContent("Auto Update Terrain Settings", "Automatically copy terrain settings to new tiles from original tiles upon create.");
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public static readonly GUIContent KeepOldTerrains = EditorGUIUtility.TrTextContent("Keep Original Terrain", "Keep original terrain while splitting.");
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public static readonly GUIContent SplitTerrainBtn = EditorGUIUtility.TrTextContent("Split", "Start splitting original terrain into small tiles.");
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public static readonly GUIContent ExportHeightmapsBtn = EditorGUIUtility.TrTextContent("Export Heightmaps", "Start exporting raw heightmaps for selected terrain(s).");
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public static readonly GUIContent HeightmapSelectedFormat = EditorGUIUtility.TrTextContent("Heightmap Format", "Select the image format for exported heightmaps.");
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public static readonly GUIContent ExportHeightmapFolderPath = EditorGUIUtility.TrTextContent("Export Folder Path", "Select or input a folder path where heightmaps will be saved.");
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public static readonly GUIContent HeightmapBitDepth = EditorGUIUtility.TrTextContent("Heightmap Depth", "Select heightmap depth option from 8 bit or 16 bit.");
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public static readonly GUIContent HeightmapByteOrder = EditorGUIUtility.TrTextContent("Heightmap Byte Order", "Select heightmap byte order from Windows or Mac.");
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public static readonly GUIContent HeightmapRemap = EditorGUIUtility.TrTextContent("Levels Correction", "Remap the height range before export.");
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public static readonly GUIContent HeightmapRemapMin = EditorGUIUtility.TrTextContent("Min", "Minimum input height");
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public static readonly GUIContent HeightmapRemapMax = EditorGUIUtility.TrTextContent("Max", "Maximum input height");
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public static readonly GUIContent FlipVertically = EditorGUIUtility.TrTextContent("Flip Vertically", "Flip heights vertically when export. Enable this if using heightmap in external program like World Machine. Or use the Flip Y Axis option in World Machine instead.");
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public static readonly GUIStyle ToggleButtonStyle = "LargeButton";
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}
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public static void DrawSeperatorLine()
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{
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Rect rect = EditorGUILayout.GetControlRect(GUILayout.Height(12));
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rect.height = 1;
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rect.y = rect.y + 5;
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rect.x = 2;
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rect.width += 6;
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EditorGUI.DrawRect(rect, new Color(0.35f, 0.35f, 0.35f));
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}
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public void OnLoad()
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{
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if (m_Settings.PalettePath != string.Empty && File.Exists(m_Settings.PalettePath))
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{
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LoadPalette();
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}
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}
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public void OnGUI()
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{
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// scroll view of settings
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EditorGUIUtility.hierarchyMode = true;
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DrawSeperatorLine();
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m_ScrollPosition = EditorGUILayout.BeginScrollView(m_ScrollPosition);
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// Terrain Edit
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m_Settings.ShowTerrainEdit = TerrainToolGUIHelper.DrawHeaderFoldout(Styles.TerrainEdit, m_Settings.ShowTerrainEdit);
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++EditorGUI.indentLevel;
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if (m_Settings.ShowTerrainEdit)
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{
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ShowTerrainEditGUI();
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}
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--EditorGUI.indentLevel;
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DrawSeperatorLine();
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// Terrain Layers
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m_Settings.ShowTerrainLayers = TerrainToolGUIHelper.DrawHeaderFoldout(Styles.TerrainLayers, m_Settings.ShowTerrainLayers);
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++EditorGUI.indentLevel;
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if (m_Settings.ShowTerrainLayers)
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{
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ShowTerrainLayerGUI();
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}
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--EditorGUI.indentLevel;
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DrawSeperatorLine();
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// Terrain Splatmaps
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m_Settings.ShowReplaceSplatmaps = TerrainToolGUIHelper.DrawHeaderFoldout(Styles.ImportSplatmaps, m_Settings.ShowReplaceSplatmaps);
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++EditorGUI.indentLevel;
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if (m_Settings.ShowReplaceSplatmaps)
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{
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ShowSplatmapImportGUI();
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}
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--EditorGUI.indentLevel;
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DrawSeperatorLine();
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// Export Spaltmaps
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m_Settings.ShowExportSplatmaps = TerrainToolGUIHelper.DrawHeaderFoldout(Styles.ExportSplatmaps, m_Settings.ShowExportSplatmaps);
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++EditorGUI.indentLevel;
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if (m_Settings.ShowExportSplatmaps)
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{
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ShowExportSplatmapGUI();
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}
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--EditorGUI.indentLevel;
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DrawSeperatorLine();
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// Export Heightmaps
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m_Settings.ShowExportHeightmaps = TerrainToolGUIHelper.DrawHeaderFoldout(Styles.ExportHeightmaps, m_Settings.ShowExportHeightmaps);
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++EditorGUI.indentLevel;
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if (m_Settings.ShowExportHeightmaps)
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{
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ShowExportHeightmapGUI();
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}
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--EditorGUI.indentLevel;
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EditorGUILayout.EndScrollView();
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EditorGUILayout.Space();
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}
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void ShowTerrainEditGUI()
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{
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// Duplicate Terrain
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EditorGUILayout.LabelField(Styles.DuplicateTerrain, EditorStyles.boldLabel);
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++EditorGUI.indentLevel;
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EditorGUILayout.BeginHorizontal();
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EditorGUILayout.LabelField("Select terrain(s) to make a copy from with new terrain data assets: ");
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if (GUILayout.Button(Styles.DuplicateTerrain, GUILayout.Height(30), GUILayout.Width(200)))
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{
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DuplicateTerrains();
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}
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EditorGUILayout.EndHorizontal();
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// Clean Delete
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--EditorGUI.indentLevel;
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EditorGUILayout.LabelField(Styles.RemoveTerrain, EditorStyles.boldLabel);
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++EditorGUI.indentLevel;
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EditorGUILayout.BeginHorizontal();
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EditorGUILayout.LabelField("Select terrain(s) to remove and delete associated terrain data assets: ");
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if (GUILayout.Button(Styles.RemoveTerrainBtn, GUILayout.Height(30), GUILayout.Width(200)))
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{
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RemoveTerrains();
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}
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EditorGUILayout.EndHorizontal();
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// Split Terrain
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--EditorGUI.indentLevel;
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EditorGUILayout.LabelField(Styles.SplitTerrain, EditorStyles.boldLabel);
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++EditorGUI.indentLevel;
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EditorGUILayout.LabelField("Select terrain(s) to split: ");
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m_Settings.TileXAxis = EditorGUILayout.IntField(Styles.TilesX, m_Settings.TileXAxis);
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m_Settings.TileZAxis = EditorGUILayout.IntField(Styles.TilesZ, m_Settings.TileZAxis);
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m_Settings.AutoUpdateSettings = EditorGUILayout.Toggle(Styles.AutoUpdateSetting, m_Settings.AutoUpdateSettings);
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m_Settings.KeepOldTerrains = EditorGUILayout.Toggle(Styles.KeepOldTerrains, m_Settings.KeepOldTerrains);
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EditorGUILayout.BeginHorizontal();
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EditorGUILayout.Space();
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if (GUILayout.Button(Styles.SplitTerrainBtn, GUILayout.Height(30), GUILayout.Width(200)))
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{
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SplitTerrains();
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}
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EditorGUILayout.EndHorizontal();
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--EditorGUI.indentLevel;
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}
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void ShowTerrainLayerGUI()
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{
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// Layer Palette preset
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EditorGUILayout.BeginHorizontal();
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EditorGUILayout.LabelField(Styles.PalettePreset);
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EditorGUI.BeginChangeCheck();
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m_SelectedLayerPalette = (TerrainPalette)EditorGUILayout.ObjectField(m_SelectedLayerPalette, typeof(TerrainPalette), false);
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if (EditorGUI.EndChangeCheck() && m_SelectedLayerPalette != null)
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{
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if (EditorUtility.DisplayDialog("Confirm", "Load palette from selected?", "OK", "Cancel"))
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{
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LoadPalette();
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}
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}
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if (GUILayout.Button(Styles.SavePalette))
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{
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if (GetPalette())
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{
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m_SelectedLayerPalette.PaletteLayers.Clear();
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foreach (var layer in m_PaletteLayers)
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{
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m_SelectedLayerPalette.PaletteLayers.Add(layer.AssignedLayer);
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}
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AssetDatabase.SaveAssets();
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}
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}
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if (GUILayout.Button(Styles.SaveAsPalette))
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{
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CreateNewPalette();
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}
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if (GUILayout.Button(Styles.RefreshPalette))
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{
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if (GetPalette())
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{
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LoadPalette();
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}
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}
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EditorGUILayout.EndHorizontal();
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// layer reorderable list
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ShowLayerListGUI();
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// Apply button
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m_Settings.ClearExistLayers = EditorGUILayout.Toggle(Styles.ClearExistingLayers, m_Settings.ClearExistLayers);
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m_Settings.ApplyAllTerrains = EditorGUILayout.Toggle(Styles.ApplyToAllTerrains, m_Settings.ApplyAllTerrains);
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EditorGUILayout.BeginHorizontal();
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EditorGUILayout.Space();
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if (GUILayout.Button(Styles.AddLayersBtn, GUILayout.Height(30), GUILayout.Width(200)))
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{
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AddLayersToSelectedTerrains();
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}
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// Clear button
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if (GUILayout.Button(Styles.RemoveLayersBtn, GUILayout.Height(30), GUILayout.Width(200)))
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{
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RemoveLayersFromSelectedTerrains();
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}
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EditorGUILayout.EndHorizontal();
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}
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// layer list view
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const int kElementHeight = 70;
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const int kElementObjectFieldHeight = 16;
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const int kElementPadding = 2;
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const int kElementObjectFieldWidth = 240;
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const int kElementToggleWidth = 20;
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const int kElementImageWidth = 64;
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const int kElementImageHeight = 64;
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void ShowLayerListGUI()
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{
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EditorGUILayout.BeginVertical("Box");
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if (GUILayout.Button(Styles.ImportTerrainLayersBtn, GUILayout.Width(200)))
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{
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ImportLayersFromTerrain();
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}
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// List View
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if (m_LayerList == null)
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{
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m_LayerList = new ReorderableList(m_PaletteLayers, typeof(Layer), true, true, true, true);
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}
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m_LayerList.elementHeight = kElementHeight;
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m_LayerList.drawHeaderCallback = (Rect rect) => EditorGUI.LabelField(rect, "Material Layer Palette");
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m_LayerList.drawElementCallback = DrawLayerElement;
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m_LayerList.onAddCallback = OnAddLayerElement;
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m_LayerList.onRemoveCallback = OnRemoveLayerElement;
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m_LayerList.onCanAddCallback = OnCanAddLayerElement;
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m_LayerList.DoLayoutList();
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EditorGUILayout.EndVertical();
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}
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void DrawLayerElement(Rect rect, int index, bool selected, bool focused)
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{
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rect.y = rect.y + kElementPadding;
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var rectImage = new Rect((rect.x + kElementPadding), rect.y, kElementImageWidth, kElementImageHeight);
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|
var rectObject = new Rect((rectImage.x + kElementImageWidth), rect.y, kElementObjectFieldWidth, kElementObjectFieldHeight);
|
|
|
|
if (m_PaletteLayers.Count > 0 && m_PaletteLayers[index] != null)
|
|
{
|
|
EditorGUI.BeginChangeCheck();
|
|
EditorGUILayout.BeginHorizontal();
|
|
List<TerrainLayer> existLayers = m_PaletteLayers.Select(l => l.AssignedLayer).ToList();
|
|
TerrainLayer oldLayer = m_PaletteLayers[index].AssignedLayer;
|
|
Texture2D icon = null;
|
|
if (m_PaletteLayers[index].AssignedLayer != null)
|
|
{
|
|
icon = AssetPreview.GetAssetPreview(m_PaletteLayers[index].AssignedLayer.diffuseTexture);
|
|
}
|
|
GUI.Box(rectImage, icon);
|
|
m_PaletteLayers[index].AssignedLayer = EditorGUI.ObjectField(rectObject, m_PaletteLayers[index].AssignedLayer, typeof(TerrainLayer), false) as TerrainLayer;
|
|
EditorGUILayout.EndHorizontal();
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
if (existLayers.Contains(m_PaletteLayers[index].AssignedLayer) && m_PaletteLayers[index].AssignedLayer != oldLayer)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "Layer exists. Please select a different layer.", "OK");
|
|
m_PaletteLayers[index].AssignedLayer = oldLayer;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool OnCanAddLayerElement(ReorderableList list)
|
|
{
|
|
return list.count < m_MaxLayerCount;
|
|
}
|
|
|
|
void OnAddLayerElement(ReorderableList list)
|
|
{
|
|
Layer newLayer = ScriptableObject.CreateInstance<Layer>();
|
|
newLayer.IsSelected = true;
|
|
m_PaletteLayers.Add(newLayer);
|
|
m_LayerList.index = m_PaletteLayers.Count - 1;
|
|
}
|
|
|
|
void OnRemoveLayerElement(ReorderableList list)
|
|
{
|
|
m_PaletteLayers.RemoveAt(list.index);
|
|
list.index = 0;
|
|
}
|
|
|
|
void ShowSplatmapImportGUI()
|
|
{
|
|
EditorGUILayout.BeginVertical("Box");
|
|
if (GUILayout.Button(Styles.ImportFromSplatmapBtn, GUILayout.Width(200)))
|
|
{
|
|
ImportSplatmapsFromTerrain();
|
|
}
|
|
if (m_SplatmapList == null)
|
|
{
|
|
m_SplatmapList = new ReorderableList(m_Splatmaps, typeof(Texture2D), true, false, true, true);
|
|
}
|
|
m_SplatmapList.elementHeight = 70;
|
|
m_SplatmapList.drawHeaderCallback = (Rect rect) => EditorGUI.LabelField(rect, "Splatmaps");
|
|
m_SplatmapList.drawElementCallback = DrawSplatmapElement;
|
|
m_SplatmapList.onAddCallback = OnAddSplatmapElement;
|
|
m_SplatmapList.onRemoveCallback = OnRemoveSplatmapElement;
|
|
m_SplatmapList.onCanAddCallback = OnCanAddSplatmapElement;
|
|
m_SplatmapList.onSelectCallback = OnSelectSplatmapElement;
|
|
|
|
EditorGUI.BeginChangeCheck();
|
|
m_SplatmapList.DoLayoutList();
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
// check to see if any of the splatmaps in the list need to be copied
|
|
for (int i = 0; i < m_Splatmaps.Count; i++)
|
|
{
|
|
var splatmap = m_Splatmaps[i];
|
|
if (splatmap != null && !m_SplatmapHasCopy.Contains(splatmap))
|
|
{
|
|
var textureCopy = GetTextureCopy(splatmap);
|
|
m_Splatmaps[i] = textureCopy;
|
|
m_SplatmapHasCopy.Add(textureCopy);
|
|
}
|
|
}
|
|
// clean up the hashset
|
|
m_SplatmapHasCopy.Clear();
|
|
foreach (var splatmap in m_Splatmaps)
|
|
{
|
|
if (splatmap != null)
|
|
{
|
|
m_SplatmapHasCopy.Add(splatmap);
|
|
}
|
|
}
|
|
}
|
|
|
|
//Splatmap Preview and Adjustment
|
|
EditorStyles.label.fontStyle = FontStyle.Bold;
|
|
EditorGUI.BeginChangeCheck();
|
|
m_ShowSplatmapPreview = EditorGUILayout.Toggle(Styles.PreviewSplatMapTogg, m_ShowSplatmapPreview);
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
m_PreviewIsDirty = true;
|
|
if(m_ShowSplatmapPreview)
|
|
{
|
|
GetAndSetActiveRenderPipelineSettings();
|
|
}
|
|
}
|
|
EditorStyles.label.fontStyle = FontStyle.Normal;
|
|
|
|
++EditorGUI.indentLevel;
|
|
m_Settings.AdjustAllSplats = EditorGUILayout.Toggle(Styles.MultiAdjustTogg, m_Settings.AdjustAllSplats);
|
|
|
|
EditorGUILayout.BeginHorizontal();
|
|
m_Settings.RotationAdjust = (UtilitySettings.RotationAdjustment)EditorGUILayout.EnumPopup(Styles.RotateSplatmapLabel, m_Settings.RotationAdjust);
|
|
if (GUILayout.Button(Styles.RotateSplatmapBtn, GUILayout.Width(150)))
|
|
{
|
|
RotateSplatmap();
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
|
|
EditorGUILayout.BeginHorizontal();
|
|
m_Settings.FlipAdjust = (UtilitySettings.FlipAdjustment)EditorGUILayout.EnumPopup(Styles.FlipSplatmapLabel, m_Settings.FlipAdjust);
|
|
if (GUILayout.Button(Styles.FlipSplatmapBtn, GUILayout.Width(150)))
|
|
{
|
|
FlipSplatmap();
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
|
|
--EditorGUI.indentLevel;
|
|
EditorGUILayout.EndVertical();
|
|
|
|
EditorGUILayout.BeginHorizontal();
|
|
EditorGUILayout.Space();
|
|
|
|
if (GUILayout.Button(Styles.ExportToTerrSplatmapBtn, GUILayout.Height(30), GUILayout.Width(200)))
|
|
{
|
|
ExportSplatmapsToTerrain();
|
|
}
|
|
if (GUILayout.Button(Styles.ResetSplatmapsBtn, GUILayout.Height(30), GUILayout.Width(200)))
|
|
{
|
|
ResetSplatmaps();
|
|
}
|
|
|
|
EditorGUILayout.EndHorizontal();
|
|
|
|
if (m_PreviewIsDirty)
|
|
{
|
|
if (!m_ShowSplatmapPreview)
|
|
{
|
|
RevertPreviewMaterial();
|
|
}
|
|
else if (ValidatePreviewTexture())
|
|
{
|
|
m_PreviewMaterial.DisableKeyword("_HEATMAP");
|
|
m_PreviewMaterial.EnableKeyword("_SPLATMAP_PREVIEW");
|
|
UpdateAdjustedSplatmaps();
|
|
}
|
|
m_PreviewIsDirty = false;
|
|
}
|
|
}
|
|
|
|
bool OnCanAddSplatmapElement(ReorderableList list)
|
|
{
|
|
return list.count < m_MaxSplatmapCount;
|
|
}
|
|
|
|
void OnAddSplatmapElement(ReorderableList list)
|
|
{
|
|
Texture2D newSplatmap = null;
|
|
m_Splatmaps.Add(newSplatmap);
|
|
m_SplatmapList.index = m_Splatmaps.Count - 1;
|
|
}
|
|
|
|
void OnRemoveSplatmapElement(ReorderableList list)
|
|
{
|
|
m_Splatmaps.RemoveAt(list.index);
|
|
list.index = 0;
|
|
m_SelectedSplatMap = 0;
|
|
if (list.count == 0)
|
|
{
|
|
RevertPreviewMaterial();
|
|
}
|
|
}
|
|
|
|
void OnSelectSplatmapElement(ReorderableList list)
|
|
{
|
|
m_SelectedSplatMap = list.index;
|
|
m_PreviewIsDirty = true;
|
|
}
|
|
|
|
const int kSplatmapElementHeight = 64;
|
|
const int kSplatmapLabelWidth = 100;
|
|
const int kSplatmapFieldWidth = 75;
|
|
void DrawSplatmapElement(Rect rect, int index, bool selected, bool focused)
|
|
{
|
|
rect.height = rect.height + kElementPadding;
|
|
var rectLabel = new Rect(rect.x, rect.y, kSplatmapLabelWidth, kSplatmapElementHeight);
|
|
var rectObject = new Rect((rectLabel.x + kSplatmapLabelWidth), rect.y + kElementPadding, kSplatmapFieldWidth, kSplatmapElementHeight);
|
|
if (m_Splatmaps.Count > 0)
|
|
{
|
|
// label is the built-in splatmap name that gets auto assigned
|
|
string label = "SplatAlpha " + index;
|
|
EditorGUI.LabelField(rectLabel, label);
|
|
m_Splatmaps[index] = EditorGUI.ObjectField(rectObject, m_Splatmaps[index], typeof(Texture2D), false) as Texture2D;
|
|
}
|
|
}
|
|
|
|
void ShowReplaceSplatmapGUI()
|
|
{
|
|
// Replace Splatmap
|
|
EditorGUI.BeginChangeCheck();
|
|
m_Settings.SplatmapTerrain = EditorGUILayout.ObjectField(Styles.TerrainToReplaceSplatmap, m_Settings.SplatmapTerrain, typeof(Terrain), true) as Terrain;
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
if (m_Settings.SplatmapTerrain != null)
|
|
{
|
|
TerrainData terrainData = m_Settings.SplatmapTerrain.terrainData;
|
|
if (terrainData.alphamapTextureCount == 1)
|
|
{
|
|
m_Settings.SplatmapOld0 = terrainData.alphamapTextures[0];
|
|
m_Settings.SplatmapOld1 = null;
|
|
}
|
|
if (terrainData.alphamapTextureCount == 2)
|
|
{
|
|
m_Settings.SplatmapOld0 = terrainData.alphamapTextures[0];
|
|
m_Settings.SplatmapOld1 = terrainData.alphamapTextures[1];
|
|
}
|
|
m_SplatmapResolution = terrainData.alphamapResolution;
|
|
}
|
|
else
|
|
{
|
|
m_Settings.SplatmapOld0 = null;
|
|
m_Settings.SplatmapOld1 = null;
|
|
m_SplatmapResolution = 0;
|
|
}
|
|
}
|
|
EditorGUILayout.Separator();
|
|
EditorGUILayout.BeginHorizontal();
|
|
EditorGUILayout.LabelField(Styles.SplatmapResolution.text + m_SplatmapResolution.ToString());
|
|
EditorGUILayout.EndHorizontal();
|
|
EditorGUILayout.BeginHorizontal();
|
|
m_Settings.SplatmapOld0 = EditorGUILayout.ObjectField(Styles.SplatAlpha0, m_Settings.SplatmapOld0, typeof(Texture2D), false) as Texture2D;
|
|
m_Settings.SplatmapNew0 = EditorGUILayout.ObjectField(Styles.SplatAlpha0New, m_Settings.SplatmapNew0, typeof(Texture2D), false) as Texture2D;
|
|
EditorGUILayout.EndHorizontal();
|
|
EditorGUILayout.BeginHorizontal();
|
|
m_Settings.SplatmapOld1 = EditorGUILayout.ObjectField(Styles.SplatAlpha1, m_Settings.SplatmapOld1, typeof(Texture2D), false) as Texture2D;
|
|
m_Settings.SplatmapNew1 = EditorGUILayout.ObjectField(Styles.SplatAlpha1New, m_Settings.SplatmapNew1, typeof(Texture2D), false) as Texture2D;
|
|
EditorGUILayout.EndHorizontal();
|
|
EditorGUILayout.BeginHorizontal();
|
|
EditorGUILayout.Space();
|
|
if (GUILayout.Button(Styles.ReplaceSplatmapsBtn, GUILayout.Height(30), GUILayout.Width(200)))
|
|
{
|
|
ReplaceSplatmaps();
|
|
}
|
|
if (GUILayout.Button(Styles.ResetSplatmapsBtn, GUILayout.Height(30), GUILayout.Width(200)))
|
|
{
|
|
ResetSplatmaps();
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
}
|
|
|
|
void ShowExportSplatmapGUI()
|
|
{
|
|
// Export Splatmaps
|
|
EditorGUILayout.BeginHorizontal();
|
|
m_Settings.SplatFolderPath = EditorGUILayout.TextField(Styles.ExportSplatmapFolderPath, m_Settings.SplatFolderPath);
|
|
if (GUILayout.Button("...", GUILayout.Width(25)))
|
|
{
|
|
m_Settings.SplatFolderPath = EditorUtility.OpenFolderPanel("Select a folder...", m_Settings.SplatFolderPath, "");
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
m_Settings.SelectedFormat = (UtilitySettings.ImageFormat)EditorGUILayout.EnumPopup(Styles.ExportSplatmapFormat, m_Settings.SelectedFormat);
|
|
EditorGUILayout.BeginHorizontal();
|
|
EditorGUILayout.Space();
|
|
if (GUILayout.Button(Styles.ExportSplatmapsBtn, GUILayout.Height(30), GUILayout.Width(200)))
|
|
{
|
|
var selectedTerrains = Selection.GetFiltered(typeof(Terrain), SelectionMode.Unfiltered);
|
|
ExportSplatmaps(selectedTerrains);
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
}
|
|
|
|
void ShowExportHeightmapGUI()
|
|
{
|
|
EditorGUILayout.BeginHorizontal();
|
|
m_Settings.HeightmapFolderPath = EditorGUILayout.TextField(Styles.ExportHeightmapFolderPath, m_Settings.HeightmapFolderPath);
|
|
if (GUILayout.Button("...", GUILayout.Width(25)))
|
|
{
|
|
m_Settings.HeightmapFolderPath = EditorUtility.OpenFolderPanel("Select a folder...", m_Settings.HeightmapFolderPath, "");
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
//EditorGUILayout.LabelField("Heightmap Format: .raw");
|
|
//EditorGUILayout.BeginHorizontal();
|
|
//m_SelectedDepth = EditorGUILayout.Popup(Styles.HeightmapBitDepth, m_SelectedDepth, m_DepthOptions.Keys.ToArray());
|
|
//EditorGUILayout.EndHorizontal();
|
|
//EditorGUILayout.BeginHorizontal();
|
|
//m_Settings.HeightmapByteOrder = (ToolboxHelper.ByteOrder)EditorGUILayout.EnumPopup(Styles.HeightmapByteOrder, m_Settings.HeightmapByteOrder);
|
|
//EditorGUILayout.EndHorizontal();
|
|
|
|
//Future to support PNG and TGA.
|
|
m_Settings.HeightFormat = (Heightmap.Format)EditorGUILayout.EnumPopup(Styles.HeightmapSelectedFormat, m_Settings.HeightFormat);
|
|
if (m_Settings.HeightFormat == Heightmap.Format.RAW)
|
|
{
|
|
EditorGUILayout.BeginHorizontal();
|
|
m_Settings.HeightmapDepth = (Heightmap.Depth)EditorGUILayout.EnumPopup(Styles.HeightmapBitDepth, m_Settings.HeightmapDepth);
|
|
EditorGUILayout.EndHorizontal();
|
|
EditorGUILayout.BeginHorizontal();
|
|
m_Settings.HeightmapByteOrder = (ToolboxHelper.ByteOrder)EditorGUILayout.EnumPopup(Styles.HeightmapByteOrder, m_Settings.HeightmapByteOrder);
|
|
EditorGUILayout.EndHorizontal();
|
|
}
|
|
EditorGUILayout.BeginHorizontal();
|
|
EditorGUILayout.MinMaxSlider(Styles.HeightmapRemap, ref m_Settings.ExportHeightRemapMin, ref m_Settings.ExportHeightRemapMax, 0f, 1.0f);
|
|
EditorGUILayout.LabelField(Styles.HeightmapRemapMin, GUILayout.Width(40.0f));
|
|
m_Settings.ExportHeightRemapMin = EditorGUILayout.FloatField(m_Settings.ExportHeightRemapMin, GUILayout.Width(75.0f));
|
|
EditorGUILayout.LabelField(Styles.HeightmapRemapMax, GUILayout.Width(40.0f));
|
|
m_Settings.ExportHeightRemapMax = EditorGUILayout.FloatField(m_Settings.ExportHeightRemapMax, GUILayout.Width(75.0f));
|
|
EditorGUILayout.EndHorizontal();
|
|
m_Settings.FlipVertically = EditorGUILayout.Toggle(Styles.FlipVertically, m_Settings.FlipVertically);
|
|
EditorGUILayout.BeginHorizontal();
|
|
EditorGUILayout.Space();
|
|
if (GUILayout.Button(Styles.ExportHeightmapsBtn, GUILayout.Height(30), GUILayout.Width(200)))
|
|
{
|
|
var selectedTerrains = Selection.GetFiltered(typeof(Terrain), SelectionMode.Unfiltered);
|
|
ExportHeightmaps(selectedTerrains);
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
EditorGUILayout.Separator();
|
|
}
|
|
|
|
|
|
|
|
void UpdateAdjustedSplatmaps()
|
|
{
|
|
List<Terrain> terrains = m_Terrains.ToList();
|
|
if (terrains.Count == 0)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "Select a terrain before previewing the splatmap.", "OK");
|
|
RevertPreviewMaterial();
|
|
return;
|
|
}
|
|
|
|
List<Terrain> sortedTerrains = terrains.OrderBy(t => t.gameObject.transform.position.x).ThenBy(t => t.gameObject.transform.position.z).ToList();
|
|
|
|
Texture2D splatMap = m_Splatmaps[m_SelectedSplatMap];
|
|
Vector2Int tileOffset = Vector2Int.zero;
|
|
int tilesX = terrains.Select(t => t.gameObject.transform.position.x).Distinct().Count();
|
|
int tilesZ = terrains.Select(t => t.gameObject.transform.position.z).Distinct().Count();
|
|
int expectedCount = tilesX * tilesZ;
|
|
int tilesCount = terrains.Count;
|
|
int index = 0;
|
|
|
|
Vector2Int resolution = new Vector2Int(splatMap.width / tilesX, splatMap.height / tilesZ);
|
|
Texture2D texture = new Texture2D(resolution.x, resolution.y);
|
|
|
|
if (!ValidateSplatmap(terrains, resolution, expectedCount, tilesCount))
|
|
{
|
|
RevertPreviewMaterial();
|
|
return;
|
|
}
|
|
|
|
for (int x = 0; x < tilesX; x++, tileOffset.x += resolution.x)
|
|
{
|
|
tileOffset.y = 0;
|
|
for (int y = 0; y < tilesZ; y++, tileOffset.y += resolution.y)
|
|
{
|
|
texture = new Texture2D(resolution.x, resolution.y);
|
|
var newPixels = splatMap.GetPixels(tileOffset.x, tileOffset.y, resolution.x, resolution.y);
|
|
#if UNITY_2019_2_OR_NEWER
|
|
#else
|
|
sortedTerrains[index].materialType = Terrain.MaterialType.Custom;
|
|
#endif
|
|
sortedTerrains[index].materialTemplate = m_PreviewMaterial;
|
|
texture.SetPixels(newPixels);
|
|
texture.Apply();
|
|
|
|
m_PreviewMaterialPropBlock.Clear();
|
|
m_PreviewMaterialPropBlock.SetTexture("_SplatmapTex", texture);
|
|
sortedTerrains[index].SetSplatMaterialPropertyBlock(m_PreviewMaterialPropBlock);
|
|
index++;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void DrawLayerIcon(Texture icon, int index)
|
|
{
|
|
if (icon == null)
|
|
return;
|
|
|
|
int width = icon.width;
|
|
Rect position = new Rect(0, width * index, width, width);
|
|
int size = Mathf.Min((int)position.width, (int)position.height);
|
|
if (size >= icon.width * 2)
|
|
size = icon.width * 2;
|
|
|
|
FilterMode filterMode = icon.filterMode;
|
|
icon.filterMode = FilterMode.Point;
|
|
EditorGUILayout.BeginVertical("Box", GUILayout.Width(140));
|
|
GUILayout.Label(icon);
|
|
|
|
if (m_PaletteLayers[index] != null && m_PaletteLayers[index].AssignedLayer != null)
|
|
{
|
|
GUILayout.BeginHorizontal();
|
|
GUILayout.Label(m_PaletteLayers[index].AssignedLayer.name, GUILayout.Width(90));
|
|
GUILayout.EndHorizontal();
|
|
}
|
|
|
|
EditorGUILayout.EndVertical();
|
|
icon.filterMode = filterMode;
|
|
}
|
|
|
|
void AddLayersToSelectedTerrains()
|
|
{
|
|
Terrain[] terrains;
|
|
if (m_Settings.ApplyAllTerrains)
|
|
{
|
|
terrains = ToolboxHelper.GetAllTerrainsInScene();
|
|
}
|
|
else
|
|
{
|
|
terrains = ToolboxHelper.GetSelectedTerrainsInScene();
|
|
}
|
|
|
|
if (terrains == null || terrains.Length == 0)
|
|
{
|
|
EditorUtility.DisplayDialog("Warning", "No selected terrain found. Please select to continue.", "OK");
|
|
return;
|
|
}
|
|
|
|
int index = 0;
|
|
if (terrains.Length > 0 && m_PaletteLayers.Count > 0)
|
|
{
|
|
foreach (var terrain in terrains)
|
|
{
|
|
if (!terrain || !terrain.terrainData)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
EditorUtility.DisplayProgressBar("Applying terrain layers", string.Format("Updating terrain tile ({0})", terrain.name), ((float)index / (terrains.Count())));
|
|
TerrainToolboxLayer.AddLayersToTerrain(terrain.terrainData, m_PaletteLayers.Select(l => l.AssignedLayer).ToList(), m_Settings.ClearExistLayers);
|
|
|
|
index++;
|
|
}
|
|
|
|
AssetDatabase.SaveAssets();
|
|
EditorUtility.ClearProgressBar();
|
|
}
|
|
}
|
|
|
|
void RemoveLayersFromSelectedTerrains()
|
|
{
|
|
Terrain[] terrains;
|
|
if (m_Settings.ApplyAllTerrains)
|
|
{
|
|
terrains = ToolboxHelper.GetAllTerrainsInScene();
|
|
}
|
|
else
|
|
{
|
|
terrains = ToolboxHelper.GetSelectedTerrainsInScene();
|
|
}
|
|
|
|
if (terrains == null || terrains.Length == 0)
|
|
{
|
|
EditorUtility.DisplayDialog("Warning", "No selected terrain found. Please select to continue.", "OK");
|
|
return;
|
|
}
|
|
|
|
if (EditorUtility.DisplayDialog("Confirm", "Are you sure you want to remove all existing layers from terrain(s)?", "Continue", "Cancel"))
|
|
{
|
|
int index = 0;
|
|
if (terrains.Length > 0)
|
|
{
|
|
foreach (var terrain in terrains)
|
|
{
|
|
EditorUtility.DisplayProgressBar("Removing terrain layers", string.Format("Updating terrain tile ({0})", terrain.name), ((float)index / (terrains.Count())));
|
|
if (!terrain || !terrain.terrainData)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
var layers = terrain.terrainData.terrainLayers;
|
|
if (layers == null || layers.Length == 0)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
TerrainToolboxLayer.RemoveAllLayers(terrain.terrainData);
|
|
index++;
|
|
}
|
|
|
|
AssetDatabase.SaveAssets();
|
|
EditorUtility.ClearProgressBar();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void ImportLayersFromTerrain()
|
|
{
|
|
m_Terrains = ToolboxHelper.GetSelectedTerrainsInScene();
|
|
if (m_Terrains.Length != 1)
|
|
{
|
|
EditorUtility.DisplayDialog("Warning", "Layers can only be imported from 1 terrain.", "OK");
|
|
}
|
|
else
|
|
{
|
|
Terrain terrain = m_Terrains[0];
|
|
m_PaletteLayers.Clear();
|
|
m_CopiedLayers.Clear();
|
|
foreach (TerrainLayer layer in terrain.terrainData.terrainLayers)
|
|
{
|
|
Layer paletteLayer = ScriptableObject.CreateInstance<Layer>();
|
|
paletteLayer.AssignedLayer = layer;
|
|
m_PaletteLayers.Add(paletteLayer);
|
|
}
|
|
m_CopiedLayers.AddRange(terrain.terrainData.terrainLayers);
|
|
}
|
|
}
|
|
|
|
internal void ImportSplatmapsFromTerrain(bool autoAcceptWarning = false)
|
|
{
|
|
m_Terrains = ToolboxHelper.GetSelectedTerrainsInScene();
|
|
if (m_Terrains.Length != 1)
|
|
{
|
|
if(!autoAcceptWarning)
|
|
EditorUtility.DisplayDialog("Warning", "Splatmaps can only be imported from 1 terrain.", "OK");
|
|
}
|
|
else
|
|
{
|
|
Terrain terrain = m_Terrains[0];
|
|
m_Splatmaps.Clear();
|
|
foreach (Texture2D alphamap in terrain.terrainData.alphamapTextures)
|
|
{
|
|
var textureCopy = GetTextureCopy(alphamap);
|
|
m_SplatmapHasCopy.Add(textureCopy);
|
|
m_Splatmaps.Add(textureCopy);
|
|
}
|
|
|
|
UpdateCachedTerrainMaterials();
|
|
}
|
|
}
|
|
|
|
Texture2D GetTextureCopy(Texture2D texture)
|
|
{
|
|
var creationFlags = texture.mipmapCount > 0
|
|
? TextureCreationFlags.MipChain
|
|
: TextureCreationFlags.None;
|
|
var textureCopy = new Texture2D(texture.width, texture.height, texture.graphicsFormat,
|
|
creationFlags);
|
|
Graphics.CopyTexture(texture, textureCopy);
|
|
return textureCopy;
|
|
}
|
|
|
|
void DuplicateTerrains()
|
|
{
|
|
m_Terrains = ToolboxHelper.GetSelectedTerrainsInScene();
|
|
|
|
if (m_Terrains == null || m_Terrains.Length == 0)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "No terrain(s) selected. Please select and try again.", "OK");
|
|
return;
|
|
}
|
|
|
|
foreach (var terrain in m_Terrains)
|
|
{
|
|
// copy terrain data asset to be the new terrain data asset
|
|
var dataPath = AssetDatabase.GetAssetPath(terrain.terrainData);
|
|
var dataPathNew = AssetDatabase.GenerateUniqueAssetPath(dataPath);
|
|
AssetDatabase.CopyAsset(dataPath, dataPathNew);
|
|
TerrainData terrainData = AssetDatabase.LoadAssetAtPath<TerrainData>(dataPathNew);
|
|
// clone terrain from old terrain
|
|
GameObject newGO = UnityEngine.Object.Instantiate(terrain.gameObject);
|
|
newGO.transform.localPosition = terrain.gameObject.transform.position;
|
|
newGO.GetComponent<Terrain>().terrainData = terrainData;
|
|
// parent to parent if any
|
|
if (terrain.gameObject.transform.parent != null)
|
|
{
|
|
newGO.transform.SetParent(terrain.gameObject.transform.parent);
|
|
}
|
|
// update terrain data reference in terrain collider
|
|
TerrainCollider collider = newGO.GetComponent<TerrainCollider>();
|
|
collider.terrainData = terrainData;
|
|
|
|
Undo.RegisterCreatedObjectUndo(newGO, "Duplicate terrain");
|
|
}
|
|
|
|
AssetDatabase.SaveAssets();
|
|
AssetDatabase.Refresh();
|
|
}
|
|
|
|
void RemoveTerrains()
|
|
{
|
|
m_Terrains = ToolboxHelper.GetSelectedTerrainsInScene();
|
|
|
|
if (m_Terrains == null || m_Terrains.Length == 0)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "No terrain(s) selected. Please select and try again.", "OK");
|
|
return;
|
|
}
|
|
|
|
if (EditorUtility.DisplayDialog("Confirm", "Are you sure you want to delete selected terrain(s) And their data assets? This process is not undoable.", "Continue", "Cancel"))
|
|
{
|
|
foreach (var terrain in m_Terrains)
|
|
{
|
|
if (terrain.terrainData)
|
|
{
|
|
var path = AssetDatabase.GetAssetPath(terrain.terrainData);
|
|
AssetDatabase.DeleteAsset(path);
|
|
}
|
|
|
|
UnityEngine.Object.DestroyImmediate(terrain.gameObject);
|
|
}
|
|
|
|
AssetDatabase.Refresh();
|
|
}
|
|
}
|
|
|
|
bool MultipleIDExist(List<Terrain> terrains)
|
|
{
|
|
int[] ids = terrains.Select(t => t.groupingID).ToArray();
|
|
if (ids.Distinct().ToArray().Length > 1)
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
internal void SplitTerrains(bool isTest=false)
|
|
{
|
|
var terrainsFrom = ToolboxHelper.GetSelectedTerrainsInScene();
|
|
|
|
if (terrainsFrom == null || terrainsFrom.Length == 0)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "No terrain(s) selected. Please select and try again.", "OK");
|
|
return;
|
|
}
|
|
|
|
if (!m_Settings.KeepOldTerrains)
|
|
{
|
|
if (!EditorUtility.DisplayDialog("Warning", "About to split selected terrain(s), and this process is not undoable! You can enable Keep Original Terrain option to keep a copy of selected terrain(s). Are you sure to continue without a copy?", "Continue","Cancel"))
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
|
|
// check if multiple grouping ids selected
|
|
if (MultipleIDExist(terrainsFrom.ToList()))
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "The terrains selected have inconsistent Grouping IDs.", "OK");
|
|
return;
|
|
}
|
|
|
|
int new_id = GetGroupIDForSplittedNewTerrain(terrainsFrom);
|
|
|
|
try
|
|
{
|
|
foreach (var terrain in terrainsFrom)
|
|
{
|
|
SplitTerrain(terrain, new_id, isTest);
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
AssetDatabase.SaveAssets();
|
|
AssetDatabase.Refresh();
|
|
EditorUtility.ClearProgressBar();
|
|
|
|
if (!m_Settings.KeepOldTerrains)
|
|
{
|
|
foreach (var t in terrainsFrom)
|
|
{
|
|
GameObject.DestroyImmediate(t.gameObject);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
internal void SplitTerrain(Terrain terrain, int new_id, bool isTest=false)
|
|
{
|
|
TerrainData terrainData = terrain.terrainData;
|
|
Vector3 startPosition = terrain.transform.position;
|
|
float tileWidth = terrainData.size.x / m_Settings.TileXAxis;
|
|
float tileLength = terrainData.size.z / m_Settings.TileZAxis;
|
|
float tileHeight = terrainData.size.y;
|
|
Vector2Int tileResolution = new Vector2Int((int)(terrainData.size.x / m_Settings.TileXAxis), (int)(terrainData.size.z / m_Settings.TileZAxis));
|
|
Vector2Int heightOffset = Vector2Int.zero;
|
|
Vector2Int detailOffset = Vector2Int.zero;
|
|
Vector2Int controlOffset = Vector2Int.zero;
|
|
Vector3 tilePosition = terrain.transform.position;
|
|
|
|
// get terrain group
|
|
GameObject groupGO = null;
|
|
if (terrain.transform.parent != null && terrain.transform.parent.gameObject != null)
|
|
{
|
|
var parent = terrain.transform.parent.gameObject;
|
|
var groupComp = parent.GetComponent<TerrainGroup>();
|
|
if (parent != null && groupComp != null)
|
|
{
|
|
groupGO = parent;
|
|
}
|
|
}
|
|
|
|
int originalHeightmapRes = terrainData.heightmapResolution;
|
|
int newHeightmapRes = (originalHeightmapRes - 1) / m_Settings.TileXAxis;
|
|
int newDetailmapRes = terrainData.detailResolution / m_Settings.TileXAxis;
|
|
|
|
if (!ToolboxHelper.IsPowerOfTwo(newHeightmapRes))
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "Heightmap resolution of new tiles is not power of 2 with current settings.", "OK");
|
|
return;
|
|
}
|
|
|
|
if (newHeightmapRes < kMinHeightmapRes)
|
|
{
|
|
if (!isTest && !EditorUtility.DisplayDialog("Warning",
|
|
$"The heightmap resolution of the newly split tiles is {newHeightmapRes + 1}; "+
|
|
$"this is smaller than the minimum supported value of {kMinHeightmapRes + 1}.\n\n" +
|
|
$"Would you like to split terrain into {m_Settings.TileXAxis}x{m_Settings.TileZAxis} " +
|
|
$"tiles of heightmap resolution {kMinHeightmapRes + 1}?",
|
|
"OK",
|
|
"Cancel"))
|
|
{
|
|
return;
|
|
}
|
|
|
|
ToolboxHelper.ResizeHeightmap(terrainData, kMinHeightmapRes * Math.Max(m_Settings.TileXAxis, m_Settings.TileZAxis));
|
|
newHeightmapRes = kMinHeightmapRes;
|
|
}
|
|
|
|
// control map resolution
|
|
int newControlRes = terrainData.alphamapResolution / m_Settings.TileXAxis;
|
|
if (!ToolboxHelper.IsPowerOfTwo(newControlRes))
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "Splat control map resolution of new tiles is not power of 2 with current settings.", "OK");
|
|
return;
|
|
}
|
|
|
|
int tileIndex = 0;
|
|
int tileCount = m_Settings.TileXAxis * m_Settings.TileZAxis;
|
|
Terrain[] terrainsNew = new Terrain[tileCount];
|
|
#if UNITY_2019_3_OR_NEWER
|
|
|
|
// holes render texture
|
|
RenderTexture rt = RenderTexture.GetTemporary(terrainData.holesTexture.width, terrainData.holesTexture.height);
|
|
Graphics.Blit(terrainData.holesTexture, rt);
|
|
rt.filterMode = FilterMode.Point;
|
|
#endif
|
|
|
|
for (int x = 0; x < m_Settings.TileXAxis; x++, heightOffset.x += newHeightmapRes, detailOffset.x += newDetailmapRes, controlOffset.x += newControlRes, tilePosition.x += tileWidth)
|
|
{
|
|
heightOffset.y = 0;
|
|
detailOffset.y = 0;
|
|
controlOffset.y = 0;
|
|
tilePosition.z = startPosition.z;
|
|
|
|
for (int y = 0; y < m_Settings.TileZAxis; y++, heightOffset.y += newHeightmapRes, detailOffset.y += newDetailmapRes, controlOffset.y += newControlRes, tilePosition.z += tileLength)
|
|
{
|
|
EditorUtility.DisplayProgressBar("Creating terrains", string.Format("Updating terrain tile ({0}, {1})", x, y), ((float)tileIndex / tileCount));
|
|
|
|
TerrainData terrainDataNew = new TerrainData();
|
|
GameObject newGO = Terrain.CreateTerrainGameObject(terrainDataNew);
|
|
Terrain newTerrain = newGO.GetComponent<Terrain>();
|
|
|
|
Guid newGuid = Guid.NewGuid();
|
|
string terrainName = $"Terrain_{x}_{y}_{newGuid}";
|
|
newGO.name = terrainName;
|
|
newTerrain.transform.position = tilePosition;
|
|
newTerrain.groupingID = new_id;
|
|
newTerrain.allowAutoConnect = true;
|
|
newTerrain.drawInstanced = terrain.drawInstanced;
|
|
if (groupGO != null)
|
|
{
|
|
newTerrain.transform.SetParent(groupGO.transform);
|
|
}
|
|
|
|
// get and set heights
|
|
terrainDataNew.heightmapResolution = newHeightmapRes + 1;
|
|
var heightData = terrainData.GetHeights(heightOffset.x, heightOffset.y, (newHeightmapRes + 1), (newHeightmapRes + 1));
|
|
terrainDataNew.SetHeights(0, 0, heightData);
|
|
terrainDataNew.size = new Vector3(tileWidth, tileHeight, tileLength);
|
|
|
|
string assetPath = $"{m_Settings.TerrainAssetDir}/{terrainName}.asset";
|
|
if (!Directory.Exists(m_Settings.TerrainAssetDir))
|
|
{
|
|
Directory.CreateDirectory(m_Settings.TerrainAssetDir);
|
|
}
|
|
|
|
AssetDatabase.CreateAsset(terrainDataNew, assetPath);
|
|
|
|
// note that add layers and alphamap operations need to happen after terrain data asset being created, so cached splat 0 and 1 data gets cleared to avoid bumping to splat 2 map.
|
|
// get and set terrain layers
|
|
TerrainToolboxLayer.AddLayersToTerrain(terrainDataNew, terrainData.terrainLayers.ToList(), true);
|
|
|
|
// get and set alphamaps
|
|
float[,,] alphamap = terrainData.GetAlphamaps(controlOffset.x, controlOffset.y, newControlRes, newControlRes);
|
|
terrainDataNew.alphamapResolution = newControlRes;
|
|
terrainDataNew.SetAlphamaps(0, 0, alphamap);
|
|
|
|
// get and set detailmap
|
|
int newDetailPatch = terrainData.detailResolutionPerPatch / m_Settings.TileXAxis;
|
|
terrainDataNew.SetDetailResolution(newDetailmapRes, newDetailPatch);
|
|
terrainDataNew.detailPrototypes = terrainData.detailPrototypes;
|
|
|
|
for (int i = 0; i < terrainDataNew.detailPrototypes.Length; i++)
|
|
{
|
|
int[,] detailLayer = terrainData.GetDetailLayer(detailOffset.x, detailOffset.y, newDetailmapRes, newDetailmapRes, i);
|
|
terrainDataNew.SetDetailLayer(0, 0, i, detailLayer);
|
|
}
|
|
|
|
// get and set treemap
|
|
float treeOffsetXMin = x / (float)m_Settings.TileXAxis;
|
|
float treeOffsetZMin = y / (float)m_Settings.TileZAxis;
|
|
float treeOffsetXMAX = treeOffsetXMin + (1 / (float)m_Settings.TileXAxis);
|
|
float treeOffsetZMAX = treeOffsetZMin + (1 / (float)m_Settings.TileZAxis);
|
|
terrainDataNew.treePrototypes = terrainData.treePrototypes;
|
|
List<TreeInstance> treeInstances = new List<TreeInstance>();
|
|
for (int i = 0; i < terrainData.treeInstances.Length; i++)
|
|
{
|
|
TreeInstance tree = terrainData.treeInstances[i];
|
|
if(treeOffsetXMin <= tree.position.x && tree.position.x <= treeOffsetXMAX &&
|
|
treeOffsetZMin <= tree.position.z && tree.position.z <= treeOffsetZMAX)
|
|
{
|
|
tree.position.x = (tree.position.x - treeOffsetXMin) * m_Settings.TileXAxis;
|
|
tree.position.z = (tree.position.z - treeOffsetZMin) * m_Settings.TileZAxis;
|
|
treeInstances.Add(tree);
|
|
}
|
|
}
|
|
terrainDataNew.SetTreeInstances(treeInstances.ToArray(), true);
|
|
|
|
#if UNITY_2019_3_OR_NEWER
|
|
// get and set holes, however there's currently a bug in GetHoles() so using render texture blit instead
|
|
//var holes = terrainData.GetHoles(heightOffset.x, heightOffset.y, newHeightmapRes, newHeightmapRes);
|
|
//terrainDataNew.SetHoles(0, 0, holes);
|
|
float divX = 1f / m_Settings.TileXAxis;
|
|
float divZ = 1f / m_Settings.TileZAxis;
|
|
Vector2 scale = new Vector2(divX, divZ);
|
|
Vector2 offset = new Vector2(divX * x, divZ * y);
|
|
Graphics.Blit(rt, (RenderTexture)terrainDataNew.holesTexture, scale, offset);
|
|
terrainDataNew.DirtyTextureRegion(TerrainData.HolesTextureName, new RectInt(0, 0, terrainDataNew.holesTexture.width, terrainDataNew.holesTexture.height), false);
|
|
#endif
|
|
// update other terrain settings
|
|
if (m_Settings.AutoUpdateSettings)
|
|
{
|
|
ApplySettingsFromSourceToTargetTerrain(terrain, newTerrain);
|
|
}
|
|
|
|
terrainsNew[tileIndex] = newTerrain;
|
|
tileIndex++;
|
|
|
|
Undo.RegisterCreatedObjectUndo(newGO, "Split terrain");
|
|
}
|
|
}
|
|
|
|
m_SplitTerrains = terrainsNew;
|
|
ToolboxHelper.CalculateAdjacencies(m_SplitTerrains, m_Settings.TileXAxis, m_Settings.TileZAxis);
|
|
#if UNITY_2019_3_OR_NEWER
|
|
RenderTexture.ReleaseTemporary(rt);
|
|
#endif
|
|
if (terrainData.heightmapResolution != originalHeightmapRes)
|
|
{
|
|
ToolboxHelper.ResizeHeightmap(terrainData, originalHeightmapRes);
|
|
}
|
|
}
|
|
|
|
int GetGroupIDForSplittedNewTerrain(Terrain[] exclude_terrains)
|
|
{
|
|
// check all other terrains in scene to see if group ID exists
|
|
Terrain[] all_terrains = ToolboxHelper.GetAllTerrainsInScene();
|
|
Terrain[] remaining_terrains = all_terrains.Except(exclude_terrains).ToArray();
|
|
List<int> ids = new List<int>();
|
|
int original_id = exclude_terrains[0].groupingID;
|
|
ids.Add(original_id);
|
|
bool exist = false;
|
|
foreach (var terrain in remaining_terrains)
|
|
{
|
|
if (terrain.groupingID == original_id)
|
|
{
|
|
exist = true;
|
|
}
|
|
|
|
ids.Add(terrain.groupingID);
|
|
}
|
|
List<int> unique_ids = ids.Distinct().ToList();
|
|
int max_id = unique_ids.Max();
|
|
|
|
// if found id exist in scene, give a new id with largest id + 1, otherwise use original terrain's id
|
|
if (exist)
|
|
{
|
|
return max_id + 1;
|
|
}
|
|
else
|
|
{
|
|
return original_id;
|
|
}
|
|
}
|
|
|
|
void ApplySettingsFromSourceToTargetTerrain(Terrain sourceTerrain, Terrain targetTerrain)
|
|
{
|
|
targetTerrain.allowAutoConnect = sourceTerrain.allowAutoConnect;
|
|
targetTerrain.drawHeightmap = sourceTerrain.drawHeightmap;
|
|
targetTerrain.drawInstanced = sourceTerrain.drawInstanced;
|
|
targetTerrain.heightmapPixelError = sourceTerrain.heightmapPixelError;
|
|
targetTerrain.basemapDistance = sourceTerrain.basemapDistance;
|
|
targetTerrain.shadowCastingMode = sourceTerrain.shadowCastingMode;
|
|
targetTerrain.materialTemplate = sourceTerrain.materialTemplate;
|
|
targetTerrain.reflectionProbeUsage = sourceTerrain.reflectionProbeUsage;
|
|
#if UNITY_2019_2_OR_NEWER
|
|
#else
|
|
targetTerrain.materialType = sourceTerrain.materialType;
|
|
targetTerrain.legacySpecular = sourceTerrain.legacySpecular;
|
|
targetTerrain.legacyShininess = sourceTerrain.legacyShininess;
|
|
#endif
|
|
targetTerrain.terrainData.baseMapResolution = sourceTerrain.terrainData.baseMapResolution;
|
|
|
|
targetTerrain.drawTreesAndFoliage = sourceTerrain.drawTreesAndFoliage;
|
|
targetTerrain.bakeLightProbesForTrees = sourceTerrain.bakeLightProbesForTrees;
|
|
targetTerrain.deringLightProbesForTrees = sourceTerrain.deringLightProbesForTrees;
|
|
targetTerrain.preserveTreePrototypeLayers = sourceTerrain.preserveTreePrototypeLayers;
|
|
targetTerrain.detailObjectDistance = sourceTerrain.detailObjectDistance;
|
|
targetTerrain.collectDetailPatches = sourceTerrain.collectDetailPatches;
|
|
targetTerrain.detailObjectDensity = sourceTerrain.detailObjectDistance;
|
|
targetTerrain.treeDistance = sourceTerrain.treeDistance;
|
|
targetTerrain.treeBillboardDistance = sourceTerrain.treeBillboardDistance;
|
|
targetTerrain.treeCrossFadeLength = sourceTerrain.treeCrossFadeLength;
|
|
targetTerrain.treeMaximumFullLODCount = sourceTerrain.treeMaximumFullLODCount;
|
|
|
|
targetTerrain.terrainData.wavingGrassStrength = sourceTerrain.terrainData.wavingGrassStrength;
|
|
targetTerrain.terrainData.wavingGrassSpeed = sourceTerrain.terrainData.wavingGrassSpeed;
|
|
targetTerrain.terrainData.wavingGrassAmount = sourceTerrain.terrainData.wavingGrassAmount;
|
|
targetTerrain.terrainData.wavingGrassTint = sourceTerrain.terrainData.wavingGrassTint;
|
|
}
|
|
|
|
void ReplaceSplatmaps()
|
|
{
|
|
if (m_Settings.SplatmapNew0 == null && m_Settings.SplatmapNew1 == null)
|
|
{
|
|
if (EditorUtility.DisplayDialog("Confirm", "You don't have new splatmaps assigned. Would you like to reset splatmaps to defaults on selected terrain?", "OK", "Cancel"))
|
|
{
|
|
// reset splatmaps
|
|
ResetSplatmapsOnTerrain(m_Settings.SplatmapTerrain);
|
|
return;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (m_Settings.SplatmapOld0 != null && m_Settings.SplatmapNew0 != null)
|
|
{
|
|
ReplaceSplatmapTexture(m_Settings.SplatmapOld0, m_Settings.SplatmapNew0);
|
|
}
|
|
|
|
if (m_Settings.SplatmapOld1 != null && m_Settings.SplatmapNew1 != null)
|
|
{
|
|
ReplaceSplatmapTexture(m_Settings.SplatmapOld1, m_Settings.SplatmapNew1);
|
|
}
|
|
|
|
AssetDatabase.SaveAssets();
|
|
}
|
|
|
|
void ReplaceSplatmapTexture(Texture2D oldTexture, Texture2D newTexture)
|
|
{
|
|
if (newTexture.width != newTexture.height)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "Could not replace splatmap. Non-square sized splatmap found.", "OK");
|
|
return;
|
|
}
|
|
|
|
var undoObjects = new List<UnityEngine.Object>();
|
|
undoObjects.Add(m_Settings.SplatmapTerrain.terrainData);
|
|
undoObjects.AddRange(m_Settings.SplatmapTerrain.terrainData.alphamapTextures);
|
|
Undo.RegisterCompleteObjectUndo(undoObjects.ToArray(), "Replace splatmaps");
|
|
|
|
// set new texture to be readable through Import Settings, so we can use GetPixels() later
|
|
if (!newTexture.isReadable)
|
|
{
|
|
var newPath = AssetDatabase.GetAssetPath(newTexture);
|
|
var newImporter = AssetImporter.GetAtPath(newPath) as TextureImporter;
|
|
if (newImporter != null)
|
|
{
|
|
newImporter.isReadable = true;
|
|
AssetDatabase.ImportAsset(newPath);
|
|
AssetDatabase.Refresh();
|
|
}
|
|
}
|
|
|
|
if (newTexture.width != oldTexture.width)
|
|
{
|
|
if (EditorUtility.DisplayDialog("Confirm", "Mismatched splatmap resolution found.", "Use New Resolution", "Use Old Resolution"))
|
|
{
|
|
// resize to new texture size
|
|
oldTexture.Resize(newTexture.width, newTexture.height, oldTexture.format, true);
|
|
// update splatmap resolution on terrain settings as well
|
|
m_Settings.SplatmapTerrain.terrainData.alphamapResolution = newTexture.width;
|
|
m_SplatmapResolution = newTexture.width;
|
|
}
|
|
else
|
|
{
|
|
// resize to old texture size
|
|
newTexture.Resize(oldTexture.width, oldTexture.height, newTexture.format, true);
|
|
}
|
|
}
|
|
|
|
var pixelsNew = newTexture.GetPixels();
|
|
oldTexture.SetPixels(pixelsNew);
|
|
oldTexture.Apply();
|
|
}
|
|
|
|
internal void ExportSplatmapsToTerrain(bool autoAcceptWarning = false)
|
|
{
|
|
// validate settings
|
|
// all splatmaps same resolution
|
|
// terrains same control map resolution
|
|
|
|
// get selected tiles and sort by position along X and Z
|
|
List<Terrain> terrains = ToolboxHelper.GetSelectedTerrainsInScene().ToList();
|
|
List<Terrain> sortedTerrains = terrains.OrderBy(t => t.gameObject.transform.position.x).ThenBy(t => t.gameObject.transform.position.z).ToList();
|
|
|
|
var undoObjects = new List<UnityEngine.Object>();
|
|
foreach (var terrain in terrains)
|
|
{
|
|
undoObjects.Add(terrain.terrainData);
|
|
undoObjects.AddRange(terrain.terrainData.alphamapTextures);
|
|
}
|
|
Undo.RegisterCompleteObjectUndo(undoObjects.ToArray(), "Reset terrains");
|
|
|
|
int tilesX = terrains.Select(t => t.gameObject.transform.position.x).Distinct().Count();
|
|
int tilesZ = terrains.Select(t => t.gameObject.transform.position.z).Distinct().Count();
|
|
int expectedCount = tilesX * tilesZ;
|
|
if (expectedCount == 0)
|
|
{
|
|
if (!autoAcceptWarning)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "No terrain(s) selected. Please select terrain tile(s) to continue.", "OK");
|
|
}
|
|
return;
|
|
}
|
|
|
|
int tilesCount = terrains.Count;
|
|
Vector2Int tileOffset = Vector2Int.zero;
|
|
int index = 0;
|
|
|
|
try
|
|
{
|
|
for (int z = 0; z < m_Splatmaps.Count; z++)
|
|
{
|
|
index = 0;
|
|
tileOffset = Vector2Int.zero;
|
|
|
|
if (m_Splatmaps[z] != null)
|
|
{
|
|
Vector2Int resolution = new Vector2Int(m_Splatmaps[z].width / tilesX, m_Splatmaps[z].height / tilesZ);
|
|
if (ValidateSplatmap(terrains, resolution, expectedCount, tilesCount))
|
|
{
|
|
RenderTexture oldRT = RenderTexture.active;
|
|
RenderTexture[] rts = new RenderTexture[m_Splatmaps.Count];
|
|
rts[z] = RenderTexture.GetTemporary(resolution.x, resolution.x, 0, SystemInfo.GetGraphicsFormat(UnityEngine.Experimental.Rendering.DefaultFormat.HDR));
|
|
Graphics.Blit(m_Splatmaps[z], rts[z]);
|
|
RenderTexture.active = rts[z];
|
|
|
|
for (int x = 0; x < tilesX; x++, tileOffset.x += resolution.x)
|
|
{
|
|
tileOffset.y = 0;
|
|
for (int y = 0; y < tilesZ; y++, tileOffset.y += resolution.y)
|
|
{
|
|
EditorUtility.DisplayProgressBar("Applying splatmaps", string.Format("Updating terrain tile {0}", sortedTerrains[index].name), ((float)index / tilesCount));
|
|
|
|
ToolboxHelper.ResizeControlTexture(sortedTerrains[index].terrainData, resolution.x);
|
|
if (sortedTerrains[index].terrainData.alphamapTextures[z] != null)
|
|
{
|
|
ToolboxHelper.CopyActiveRenderTextureToTexture(sortedTerrains[index].terrainData.alphamapTextures[z], new RectInt(tileOffset.x, tileOffset.y, resolution.x, resolution.x), Vector2Int.zero, false);
|
|
}
|
|
|
|
index++;
|
|
}
|
|
}
|
|
|
|
RenderTexture.active = oldRT;
|
|
for (int i = 0; i < m_Splatmaps.Count; i++)
|
|
{
|
|
RenderTexture.ReleaseTemporary(rts[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
AssetDatabase.SaveAssets();
|
|
AssetDatabase.Refresh();
|
|
EditorUtility.ClearProgressBar();
|
|
}
|
|
}
|
|
|
|
bool ValidateSplatmap(List<Terrain> terrains, Vector2Int resolution, int expectedCount, int tilesCount)
|
|
{
|
|
foreach (Terrain terrain in terrains)
|
|
{
|
|
if (terrain.terrainData.alphamapTextures.Length < m_SplatmapList.count)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "You've selected more splatmaps to import than each terrain can hold. Either select less splatmaps or add more to your terrain.", "OK"); //string.Format("The selected amount of {0} splatmap textures, dosen't match that of the average splatmaps of {1:0.##} per terrain ", m_SplatmapList.count, averageSplatmaps)
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!ToolboxHelper.IsPowerOfTwo(resolution.x))
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "The selected splatmap resolutions aren't a power of two.", "OK");
|
|
return false;
|
|
}
|
|
else if (resolution.x != resolution.y)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "The selected splatmaps resolution isn't square.", "OK");
|
|
return false;
|
|
}
|
|
else if (expectedCount > tilesCount)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "The terrains selected aren't square.", "OK");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool ValidatePreviewTexture()
|
|
{
|
|
if (m_Splatmaps.Count == 0)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "Add and select a splatmap before previewing the splatmap.", "OK");
|
|
RevertPreviewMaterial();
|
|
return false;
|
|
}
|
|
else if (m_Splatmaps[m_SelectedSplatMap] == null)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "Select a splatmap before previewing the splatmap.", "OK");
|
|
|
|
if (m_Splatmaps[0] == null)
|
|
{
|
|
RevertPreviewMaterial();
|
|
return false;
|
|
}
|
|
m_SelectedSplatMap = 0;
|
|
}
|
|
|
|
Texture2D texture = m_Splatmaps[m_SelectedSplatMap];
|
|
TextureFormat format = texture.format;
|
|
if ((format != TextureFormat.RGBA32 && format != TextureFormat.ARGB32 && format != TextureFormat.RGB24) || !texture.isReadable)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "The Texture format isn't compatable. Please change it to either RGBA32, ARGB32, or RGB24 and enable Read/Write.", "OK");
|
|
RevertPreviewMaterial();
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void ResetSplatmaps()
|
|
{
|
|
var terrains = ToolboxHelper.GetSelectedTerrainsInScene();
|
|
int index = 0;
|
|
foreach (var terrain in terrains)
|
|
{
|
|
EditorUtility.DisplayProgressBar("Resetting Splatmaps", string.Format("Resetting splatmaps on terrain {0}", terrain.name), (index / (terrains.Count())));
|
|
ResetSplatmapsOnTerrain(terrain);
|
|
index++;
|
|
}
|
|
EditorUtility.ClearProgressBar();
|
|
}
|
|
|
|
void ResetSplatmapsOnTerrain(Terrain terrain)
|
|
{
|
|
TerrainData terrainData = terrain.terrainData;
|
|
if (terrainData.alphamapTextureCount < 1) return;
|
|
|
|
var undoObjects = new List<UnityEngine.Object>();
|
|
undoObjects.Add(terrainData);
|
|
undoObjects.AddRange(terrainData.alphamapTextures);
|
|
Undo.RegisterCompleteObjectUndo(undoObjects.ToArray(), "Reset splatmaps");
|
|
|
|
Color splatDefault = new Color(1, 0, 0, 0); // red
|
|
Color splatZero = new Color(0, 0, 0, 0);
|
|
|
|
var pixelsFirst = terrainData.alphamapTextures[0].GetPixels();
|
|
for (int p = 0; p < pixelsFirst.Length; p++)
|
|
{
|
|
pixelsFirst[p] = splatDefault;
|
|
}
|
|
terrainData.alphamapTextures[0].SetPixels(pixelsFirst);
|
|
terrainData.alphamapTextures[0].Apply();
|
|
|
|
for (int i = 1; i < terrainData.alphamapTextureCount; i++)
|
|
{
|
|
var pixels = terrainData.alphamapTextures[i].GetPixels();
|
|
for (int j = 0; j < pixels.Length; j++)
|
|
{
|
|
pixels[j] = splatZero;
|
|
}
|
|
terrainData.alphamapTextures[i].SetPixels(pixels);
|
|
terrainData.alphamapTextures[i].Apply();
|
|
}
|
|
|
|
AssetDatabase.SaveAssets();
|
|
AssetDatabase.Refresh();
|
|
}
|
|
|
|
void ExportSplatmaps(UnityEngine.Object[] terrains)
|
|
{
|
|
if (terrains == null || terrains.Length == 0)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "No terrain(s) selected. Please select terrain tile(s) to continue.", "OK");
|
|
return;
|
|
}
|
|
|
|
if (!Directory.Exists(m_Settings.SplatFolderPath))
|
|
{
|
|
Directory.CreateDirectory(m_Settings.SplatFolderPath);
|
|
}
|
|
|
|
var fileExtension = m_Settings.SelectedFormat == UtilitySettings.ImageFormat.TGA ? ".tga" : ".png";
|
|
int index = 0;
|
|
|
|
foreach (var t in terrains)
|
|
{
|
|
var terrain = t as Terrain;
|
|
EditorUtility.DisplayProgressBar("Exporting Splatmaps", string.Format("Exporting splatmaps on terrain {0}", terrain.name), (index / (terrains.Count())));
|
|
TerrainData data = terrain.terrainData;
|
|
for (var i = 0; i < data.alphamapTextureCount; i++)
|
|
{
|
|
Texture2D tex = data.alphamapTextures[i];
|
|
byte[] bytes;
|
|
if (m_Settings.SelectedFormat == UtilitySettings.ImageFormat.TGA)
|
|
{
|
|
bytes = tex.EncodeToTGA();
|
|
}
|
|
else
|
|
{
|
|
bytes = tex.EncodeToPNG();
|
|
}
|
|
string filename = terrain.name + "_splatmap_" + i + fileExtension;
|
|
File.WriteAllBytes($"{m_Settings.SplatFolderPath}/{filename}", bytes);
|
|
}
|
|
|
|
index++;
|
|
}
|
|
|
|
AssetDatabase.SaveAssets();
|
|
AssetDatabase.Refresh();
|
|
EditorUtility.ClearProgressBar();
|
|
}
|
|
|
|
void ImportHeightmap()
|
|
{
|
|
|
|
}
|
|
|
|
internal void ExportHeightmaps(UnityEngine.Object[] terrains)
|
|
{
|
|
if (terrains == null || terrains.Length == 0)
|
|
{
|
|
EditorUtility.DisplayDialog("Error", "No terrain(s) selected. Please select terrain tile(s) to continue.", "OK");
|
|
return;
|
|
}
|
|
|
|
if (!Directory.Exists(m_Settings.HeightmapFolderPath))
|
|
{
|
|
Directory.CreateDirectory(m_Settings.HeightmapFolderPath);
|
|
}
|
|
|
|
int index = 0;
|
|
|
|
foreach (var t in terrains)
|
|
{
|
|
var terrain = t as Terrain;
|
|
EditorUtility.DisplayProgressBar("Exporting Heightmaps", string.Format("Exporting heightmap on terrain {0}", terrain.name), (index / (terrains.Count())));
|
|
TerrainData terrainData = terrain.terrainData;
|
|
string fileName = terrain.name + "_heightmap";
|
|
string path = Path.Combine(m_Settings.HeightmapFolderPath, fileName);
|
|
|
|
switch (m_Settings.HeightFormat)
|
|
{
|
|
case Heightmap.Format.RAW:
|
|
ToolboxHelper.ExportTerrainHeightsToRawFile(terrainData, path, m_Settings.HeightmapDepth, m_Settings.FlipVertically, m_Settings.HeightmapByteOrder, new Vector2(m_Settings.ExportHeightRemapMin, m_Settings.ExportHeightRemapMax));
|
|
break;
|
|
default:
|
|
ToolboxHelper.ExportTerrainHeightsToTexture(terrainData, m_Settings.HeightFormat, path, m_Settings.FlipVertically, new Vector2(m_Settings.ExportHeightRemapMin, m_Settings.ExportHeightRemapMax));
|
|
break;
|
|
}
|
|
|
|
index++;
|
|
}
|
|
|
|
AssetDatabase.SaveAssets();
|
|
AssetDatabase.Refresh();
|
|
EditorUtility.ClearProgressBar();
|
|
}
|
|
|
|
internal void RotateSplatmap()
|
|
{
|
|
if (!ValidatePreviewTexture())
|
|
return;
|
|
|
|
if (m_Settings.AdjustAllSplats)
|
|
{
|
|
for (int i = 0; i < m_SplatmapList.count; i++)
|
|
{
|
|
RotateTexture(m_Splatmaps[i]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
RotateTexture(m_Splatmaps[m_SelectedSplatMap]);
|
|
}
|
|
|
|
if (m_ShowSplatmapPreview)
|
|
m_PreviewIsDirty = true;
|
|
}
|
|
|
|
void RotateTexture(Texture2D texture)
|
|
{
|
|
Undo.RegisterCompleteObjectUndo(texture, "Rotate Texture");
|
|
Color32[] originalPixels;
|
|
Color32[] rotatedPixels;
|
|
originalPixels = texture.GetPixels32();
|
|
rotatedPixels = new Color32[originalPixels.Length];
|
|
//bool clockwise = m_Settings.RotationAdjust == UtilitySettings.RotationAdjustment.Clockwise ? true : false;
|
|
|
|
int width = texture.width;
|
|
int height = texture.height;
|
|
int rotatedIndex, originalIndex;
|
|
for (int row = 0; row < height; row++)
|
|
{
|
|
for (int col = 0; col < width; col++)
|
|
{
|
|
rotatedIndex = (col + 1) * height - row - 1;
|
|
if (m_Settings.RotationAdjust == UtilitySettings.RotationAdjustment.Clockwise)
|
|
{
|
|
originalIndex = originalPixels.Length - 1 - (row * width + col);
|
|
}
|
|
else
|
|
{
|
|
originalIndex = row * width + col;
|
|
}
|
|
//originalIndex = clockwise ? originalPixels.Length - 1 - (row * width + col) : row * width + col;
|
|
|
|
rotatedPixels[rotatedIndex] = originalPixels[originalIndex];
|
|
}
|
|
}
|
|
texture.SetPixels32(rotatedPixels);
|
|
texture.Apply();
|
|
}
|
|
|
|
internal void FlipSplatmap()
|
|
{
|
|
if (!ValidatePreviewTexture())
|
|
return;
|
|
|
|
bool horizontal = m_Settings.FlipAdjust == UtilitySettings.FlipAdjustment.Horizontal ? true : false;
|
|
|
|
if (m_Settings.AdjustAllSplats)
|
|
{
|
|
for (int i = 0; i < m_SplatmapList.count; i++)
|
|
{
|
|
ToolboxHelper.FlipTexture(m_Splatmaps[i], horizontal);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ToolboxHelper.FlipTexture(m_Splatmaps[m_SelectedSplatMap], horizontal);
|
|
}
|
|
|
|
if (m_ShowSplatmapPreview)
|
|
m_PreviewIsDirty = true;
|
|
}
|
|
|
|
void FlipTexture(Texture2D texture)
|
|
{
|
|
Undo.RegisterCompleteObjectUndo(texture, "Flip Texture");
|
|
Color32[] originalPixels;
|
|
Color32[] flippedPixels;
|
|
bool horizontal = m_Settings.FlipAdjust == UtilitySettings.FlipAdjustment.Horizontal ? true : false;
|
|
int difference;
|
|
int width;
|
|
int height;
|
|
|
|
int flippedIndex, originalIndex;
|
|
|
|
originalPixels = texture.GetPixels32();
|
|
flippedPixels = new Color32[originalPixels.Length];
|
|
width = texture.width;
|
|
height = texture.height;
|
|
difference = width - height;
|
|
for (int row = 0; row < height; row++)
|
|
{
|
|
for (int col = 0; col < width; col++)
|
|
{
|
|
flippedIndex = horizontal ? (((width - 1) - row) * height + col) - difference : (height - 1) + (row * width) - col - difference;
|
|
originalIndex = row * width + col;
|
|
if (flippedIndex < 0) continue;
|
|
flippedPixels[flippedIndex] = originalPixels[originalIndex];
|
|
}
|
|
}
|
|
texture.SetPixels32(flippedPixels);
|
|
texture.Apply();
|
|
}
|
|
|
|
internal void RevertPreviewMaterial()
|
|
{
|
|
if(m_PreviewMaterial == null)
|
|
{
|
|
GetAndSetActiveRenderPipelineSettings();
|
|
}
|
|
m_PreviewMaterial.DisableKeyword("_SPLATMAP_PREVIEW");
|
|
for (int i = 0; i < m_Terrains.Length; i++)
|
|
{
|
|
if(m_Terrains[i] != null)
|
|
{
|
|
#if UNITY_2019_2_OR_NEWER
|
|
m_Terrains[i].materialTemplate = m_TerrainMaterials[i];
|
|
#else
|
|
m_Terrains[i].materialType = m_TerrainMaterialType;
|
|
if (m_TerrainMaterialType == Terrain.MaterialType.Custom)
|
|
{
|
|
m_Terrains[i].materialTemplate = m_TerrainMaterials[i];
|
|
}
|
|
else if (m_TerrainMaterialType == Terrain.MaterialType.BuiltInLegacySpecular)
|
|
{
|
|
m_Terrains[i].legacyShininess = m_TerrainLegacyShininess;
|
|
m_Terrains[i].legacySpecular = m_TerrainLegacySpecular;
|
|
m_Terrains[i].materialTemplate = null;
|
|
}
|
|
else
|
|
{
|
|
m_Terrains[i].materialTemplate = null;
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
m_ShowSplatmapPreview = false;
|
|
}
|
|
|
|
void GetAndSetActiveRenderPipelineSettings()
|
|
{
|
|
m_PreviewMaterial = AssetDatabase.LoadAssetAtPath<Material>("Packages/com.unity.terrain-tools/editor/terraintoolbox/materials/terrainvisualization.mat");
|
|
m_Terrains = ToolboxHelper.GetSelectedTerrainsInScene();
|
|
UpdateCachedTerrainMaterials();
|
|
|
|
ToolboxHelper.RenderPipeline currentPipeline = ToolboxHelper.GetRenderPipeline();
|
|
if (m_ActiveRenderPipeline == currentPipeline)
|
|
return;
|
|
|
|
m_ActiveRenderPipeline = currentPipeline;
|
|
switch (m_ActiveRenderPipeline)
|
|
{
|
|
case ToolboxHelper.RenderPipeline.HD:
|
|
m_MaxLayerCount = kMaxLayerHD;
|
|
m_MaxSplatmapCount = kMaxSplatmapHD;
|
|
m_PreviewMaterial.shader = Shader.Find("Hidden/HDRP_TerrainVisualization");
|
|
break;
|
|
case ToolboxHelper.RenderPipeline.LW:
|
|
// this is a temp setting, in LW if height based blending or opacity as density enabled,
|
|
// we only support 4 layers and 1 splatmap
|
|
// this will get checked when applying changes to each terrain
|
|
// To-do: update max allowance check once LW terrain checked in
|
|
m_MaxLayerCount = kMaxNoLimit;
|
|
m_MaxSplatmapCount = kMaxNoLimit;
|
|
m_PreviewMaterial.shader = Shader.Find("Hidden/LWRP_TerrainVisualization");
|
|
break;
|
|
case ToolboxHelper.RenderPipeline.Universal:
|
|
m_MaxLayerCount = kMaxNoLimit;
|
|
m_MaxSplatmapCount = kMaxNoLimit;
|
|
m_PreviewMaterial.shader = Shader.Find("Hidden/Universal_TerrainVisualization");
|
|
break;
|
|
default:
|
|
m_MaxLayerCount = kMaxNoLimit;
|
|
m_MaxSplatmapCount = kMaxNoLimit;
|
|
if (m_Terrains == null || m_Terrains.Length == 0)
|
|
{
|
|
break;
|
|
}
|
|
#if UNITY_2019_2_OR_NEWER
|
|
#else
|
|
m_TerrainMaterialType = m_Terrains[0].materialType;
|
|
if (m_TerrainMaterialType == Terrain.MaterialType.BuiltInLegacySpecular)
|
|
{
|
|
m_TerrainLegacyShininess = m_Terrains[0].legacyShininess;
|
|
m_TerrainLegacySpecular = m_Terrains[0].legacySpecular;
|
|
}
|
|
#endif
|
|
m_PreviewMaterial.shader = Shader.Find("Hidden/Builtin_TerrainVisualization");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Updates an array of materials used to revert the selected terrain material from
|
|
/// the preview material back to its original Terrain material.
|
|
/// </summary>
|
|
void UpdateCachedTerrainMaterials()
|
|
{
|
|
m_TerrainMaterials.Clear();
|
|
|
|
foreach(Terrain terrain in m_Terrains)
|
|
{
|
|
m_TerrainMaterials.Add(terrain.materialTemplate);
|
|
}
|
|
}
|
|
|
|
void CreateNewPalette()
|
|
{
|
|
string filePath = EditorUtility.SaveFilePanelInProject("Create New Palette", "New Layer Palette.asset", "asset", "");
|
|
if (string.IsNullOrEmpty(filePath))
|
|
{
|
|
return;
|
|
}
|
|
m_SelectedLayerPalette = null;
|
|
var newPalette = ScriptableObject.CreateInstance<TerrainPalette>();
|
|
foreach (var layer in m_PaletteLayers)
|
|
{
|
|
newPalette.PaletteLayers.Add(layer.AssignedLayer);
|
|
}
|
|
AssetDatabase.CreateAsset(newPalette, filePath);
|
|
m_SelectedLayerPalette = newPalette;
|
|
|
|
AssetDatabase.SaveAssets();
|
|
AssetDatabase.Refresh();
|
|
}
|
|
|
|
void LoadPalette()
|
|
{
|
|
if (!GetPalette())
|
|
return;
|
|
|
|
m_PaletteLayers.Clear();
|
|
foreach (var layer in m_SelectedLayerPalette.PaletteLayers)
|
|
{
|
|
Layer newLayer = ScriptableObject.CreateInstance<Layer>();
|
|
newLayer.AssignedLayer = layer;
|
|
newLayer.IsSelected = true;
|
|
m_PaletteLayers.Add(newLayer);
|
|
}
|
|
}
|
|
|
|
bool GetPalette()
|
|
{
|
|
if (m_SelectedLayerPalette == null)
|
|
{
|
|
if (EditorUtility.DisplayDialog("Error", "No layer palette found, create a new one?", "OK", "Cancel"))
|
|
{
|
|
CreateNewPalette();
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public void SaveSettings()
|
|
{
|
|
if (m_SelectedLayerPalette != null)
|
|
{
|
|
m_Settings.PalettePath = AssetDatabase.GetAssetPath(m_SelectedLayerPalette);
|
|
}
|
|
else
|
|
{
|
|
m_Settings.PalettePath = string.Empty;
|
|
}
|
|
|
|
string filePath = ToolboxHelper.GetPrefFilePath(ToolboxHelper.ToolboxPrefsUtility);
|
|
string utilitySettings = JsonUtility.ToJson(m_Settings);
|
|
File.WriteAllText(filePath, utilitySettings);
|
|
RevertPreviewMaterial();
|
|
SceneView.RepaintAll();
|
|
}
|
|
|
|
public void LoadSettings()
|
|
{
|
|
string filePath = ToolboxHelper.GetPrefFilePath(ToolboxHelper.ToolboxPrefsUtility);
|
|
if (File.Exists(filePath))
|
|
{
|
|
string utilitySettingsData = File.ReadAllText(filePath);
|
|
JsonUtility.FromJsonOverwrite(utilitySettingsData, m_Settings);
|
|
}
|
|
|
|
if (m_Settings.PalettePath == string.Empty)
|
|
{
|
|
m_SelectedLayerPalette = null;
|
|
}
|
|
else
|
|
{
|
|
m_SelectedLayerPalette = AssetDatabase.LoadAssetAtPath(m_Settings.PalettePath, typeof(TerrainPalette)) as TerrainPalette;
|
|
}
|
|
|
|
GetAndSetActiveRenderPipelineSettings();
|
|
EditorSceneManager.sceneSaving += OnSceneSaving;
|
|
EditorSceneManager.sceneOpened += OnSceneOpened;
|
|
EditorApplication.playModeStateChanged += OnPlayModeChanged;
|
|
}
|
|
|
|
public void OnLostFocus()
|
|
{
|
|
if (!m_ShowSplatmapPreview)
|
|
return;
|
|
|
|
string mouseOverWindow;
|
|
try
|
|
{
|
|
mouseOverWindow = EditorWindow.mouseOverWindow.ToString();
|
|
}
|
|
catch
|
|
{
|
|
mouseOverWindow = null;
|
|
}
|
|
|
|
if (mouseOverWindow == null
|
|
|| mouseOverWindow != " (UnityEditor.Experimental.TerrainAPI.TerrainToolboxWindow)"
|
|
&& mouseOverWindow != " (UnityEditor.SceneView)")
|
|
{
|
|
RevertPreviewMaterial();
|
|
}
|
|
}
|
|
|
|
void OnSceneSaving(UnityEngine.SceneManagement.Scene scene, string path)
|
|
{
|
|
if(m_ShowSplatmapPreview)
|
|
{
|
|
RevertPreviewMaterial();
|
|
}
|
|
}
|
|
|
|
void OnSceneOpened(UnityEngine.SceneManagement.Scene scene, OpenSceneMode open)
|
|
{
|
|
m_PaletteLayers.Clear();
|
|
}
|
|
|
|
void OnPlayModeChanged(PlayModeStateChange state)
|
|
{
|
|
RevertPreviewMaterial();
|
|
}
|
|
}
|
|
}
|