858 lines
35 KiB
C#
858 lines
35 KiB
C#
using UnityEngine;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Collections.Generic;
|
|
using UnityEngine.TerrainTools;
|
|
using UnityEditor.ShortcutManagement;
|
|
using UnityEditorInternal;
|
|
|
|
namespace UnityEditor.TerrainTools
|
|
{
|
|
//[FilePathAttribute("Library/TerrainTools/PaintTexture", FilePathAttribute.Location.ProjectFolder)]
|
|
internal class PaintTextureTool : TerrainPaintTool<PaintTextureTool>
|
|
{
|
|
#if UNITY_2019_1_OR_NEWER
|
|
[Shortcut("Terrain/Select Paint Texture Tool", typeof(TerrainToolShortcutContext), KeyCode.F2)] // tells shortcut manager what to call the shortcut and what to pass as args
|
|
static void SelectShortcut(ShortcutArguments args)
|
|
{
|
|
TerrainToolShortcutContext context = (TerrainToolShortcutContext)args.context; // gets interface to modify state of TerrainTools
|
|
context.SelectPaintTool<PaintTextureTool>(); // set active tool
|
|
TerrainToolsAnalytics.OnShortcutKeyRelease("Select Paint Texture Tool");
|
|
}
|
|
|
|
[ClutchShortcut("Terrain/Layer Eyedropper", KeyCode.A, ShortcutModifiers.Shift)]
|
|
static void LayerShortcut(ShortcutArguments args)
|
|
{
|
|
m_EyedropperSelected = args.stage == ShortcutStage.Begin ? true : false;
|
|
if (m_EyedropperSelected && m_PaintToolSelected)
|
|
{
|
|
Cursor.SetCursor(m_CursorTexture, m_CursorOffset, CursorMode.Auto);
|
|
}
|
|
else
|
|
{
|
|
Cursor.SetCursor(null, Vector2.zero, CursorMode.Auto);
|
|
TerrainToolsAnalytics.OnShortcutKeyRelease("Layer Eyedropper");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
[SerializeField]
|
|
IBrushUIGroup m_commonUI;
|
|
private IBrushUIGroup commonUI {
|
|
get
|
|
{
|
|
if (m_commonUI == null)
|
|
{
|
|
m_commonUI = new DefaultBrushUIGroup(
|
|
"PaintTexture",
|
|
UpdateAnalyticParameters,
|
|
DefaultBrushUIGroup.Feature.All,
|
|
new DefaultBrushUIGroup.FeatureDefaults { Strength = 0.71f }
|
|
);
|
|
m_commonUI.OnEnterToolMode();
|
|
}
|
|
|
|
return m_commonUI;
|
|
}
|
|
}
|
|
|
|
|
|
const string toolName = "Paint Texture";
|
|
const int kMaxLayerHD = 8;
|
|
const int kMaxNoLimit = 20;
|
|
|
|
[SerializeField]
|
|
TerrainPalette m_SelectedLayerPalette;
|
|
ReorderableList m_LayerList;
|
|
List<Layer> m_PaletteLayers = new List<Layer>();
|
|
Texture2D m_layerTexture;
|
|
Vector2 m_ScrollPos;
|
|
TerrainLayer m_PickedLayer;
|
|
[SerializeField]
|
|
string m_LayerName = "NewLayer";
|
|
int m_objPickerWindowID = -1;
|
|
int m_layerPickerWindowID = -1;
|
|
int m_MaxLayerCount;
|
|
|
|
[SerializeField]
|
|
float m_TargetStrength = 1.0f;
|
|
|
|
[SerializeField]
|
|
Terrain m_SelectedTerrain = null;
|
|
TerrainLayer m_SelectedTerrainLayer = null;
|
|
[SerializeField]
|
|
bool m_ToggleAllElements = false;
|
|
|
|
#if UNITY_2019_2_OR_NEWER
|
|
Editor m_TemplateMaterialEditor = null;
|
|
Editor m_SelectedTerrainLayerInspector = null;
|
|
|
|
[SerializeField]
|
|
bool m_ShowMaterialEditor = false;
|
|
[SerializeField]
|
|
bool m_ShowLayerProperties = false;
|
|
bool m_LayerRepaintFlag = false;
|
|
#endif
|
|
#if UNITY_2019_1_OR_NEWER
|
|
static bool m_EyedropperSelected = false;
|
|
static Texture2D m_CursorTexture;
|
|
static Vector2 m_CursorOffset = new Vector2(0, 30);
|
|
static bool m_PaintToolSelected = false;
|
|
#endif
|
|
|
|
[SerializeField]
|
|
bool m_ShowLayerInspector = true;
|
|
|
|
Material m_Material = null;
|
|
Material GetPaintMaterial()
|
|
{
|
|
if (m_Material == null)
|
|
m_Material = new Material(Shader.Find("PaintTextureAdvance"));
|
|
return m_Material;
|
|
}
|
|
|
|
Material m_BlendMat = null;
|
|
Material GetBlendMaterial()
|
|
{
|
|
if (m_BlendMat == null)
|
|
{
|
|
m_BlendMat = new Material(Shader.Find("Hidden/TerrainTools/BlendModes"));
|
|
}
|
|
return m_BlendMat;
|
|
}
|
|
|
|
internal void SetSelectedTerrainLayer(TerrainLayer terrainLayer)
|
|
{
|
|
m_SelectedTerrainLayer = terrainLayer;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Allows overriding for unit testing purposes
|
|
/// </summary>
|
|
/// <param name="uiGroup"></param>
|
|
internal void ChangeCommonUI(IBrushUIGroup uiGroup)
|
|
{
|
|
m_commonUI = uiGroup;
|
|
}
|
|
|
|
public override string GetName()
|
|
{
|
|
return toolName;
|
|
}
|
|
|
|
public override string GetDescription()
|
|
{
|
|
return Styles.description.text;
|
|
}
|
|
|
|
public override void OnEnterToolMode()
|
|
{
|
|
base.OnEnterToolMode();
|
|
commonUI.OnEnterToolMode();
|
|
#if UNITY_2019_1_OR_NEWER
|
|
m_PaintToolSelected = true;
|
|
#endif
|
|
}
|
|
|
|
public override void OnExitToolMode()
|
|
{
|
|
base.OnExitToolMode();
|
|
commonUI.OnExitToolMode();
|
|
#if UNITY_2019_1_OR_NEWER
|
|
m_PaintToolSelected = false;
|
|
#endif
|
|
}
|
|
|
|
public override void OnEnable()
|
|
{
|
|
base.OnEnable();
|
|
GetAndSetActiveRenderPipelineSettings();
|
|
#if UNITY_2019_1_OR_NEWER
|
|
m_CursorTexture = (Texture2D)AssetDatabase.LoadAssetAtPath("Packages/com.unity.terrain-tools/Editor/Icons/LayersEyedropper.png", typeof(Texture2D));
|
|
#endif
|
|
}
|
|
|
|
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
|
|
{
|
|
#if UNITY_2019_1_OR_NEWER
|
|
if (m_EyedropperSelected && m_LayerList != null)
|
|
{
|
|
Texture2D[] splatmaps = terrain.terrainData.alphamapTextures;
|
|
int splatOffset = 0;
|
|
foreach (Texture2D splatmap in splatmaps)
|
|
{
|
|
Color pixel = splatmap.GetPixelBilinear(editContext.uv.x, editContext.uv.y);
|
|
if (pixel.r > .5f)
|
|
{
|
|
SelectEyedroppedLayer(terrain, splatOffset);
|
|
break;
|
|
}
|
|
else if (pixel.g > .5f)
|
|
{
|
|
SelectEyedroppedLayer(terrain, 1 + splatOffset);
|
|
break;
|
|
}
|
|
else if (pixel.b > .5f)
|
|
{
|
|
SelectEyedroppedLayer(terrain, 2 + splatOffset);
|
|
break;
|
|
}
|
|
else if (pixel.a > .5f)
|
|
{
|
|
SelectEyedroppedLayer(terrain, 3 + splatOffset);
|
|
break;
|
|
}
|
|
|
|
splatOffset += 4;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
#endif
|
|
commonUI.OnPaint(terrain, editContext);
|
|
|
|
if (commonUI.allowPaint)
|
|
{
|
|
Texture brushTexture = editContext.brushTexture;
|
|
|
|
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "PaintTextureTool", brushTexture))
|
|
{
|
|
if (brushRender.CalculateBrushTransform(out BrushTransform brushTransform))
|
|
{
|
|
Rect brushRect = brushTransform.GetBrushXYBounds();
|
|
PaintContext paintContext = brushRender.AcquireTexture(true, brushRect, m_SelectedTerrainLayer);
|
|
|
|
if (paintContext != null)
|
|
{
|
|
PaintContext heightContext = brushRender.AcquireHeightmap(false, brushRect);
|
|
|
|
// Evaluate the brush mask filter stack
|
|
Material mat = GetPaintMaterial();
|
|
var brushMask = RTUtils.GetTempHandle(heightContext.sourceRenderTexture.width, heightContext.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
|
|
Utility.GenerateAndSetFilterRT(commonUI, heightContext.sourceRenderTexture, brushMask, mat);
|
|
|
|
// apply brush
|
|
float targetAlpha = m_TargetStrength;
|
|
float s = commonUI.InvertStrength ? -commonUI.brushStrength : commonUI.brushStrength;
|
|
Vector4 brushParams = new Vector4(s, targetAlpha, 0.0f, 0.0f);
|
|
mat.SetTexture("_BrushTex", editContext.brushTexture);
|
|
mat.SetVector("_BrushParams", brushParams);
|
|
|
|
brushRender.SetupTerrainToolMaterialProperties(paintContext, brushTransform, mat);
|
|
brushRender.RenderBrush(paintContext, mat, 0);
|
|
RTUtils.Release(brushMask);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void SelectEyedroppedLayer(Terrain terrain, int offset)
|
|
{
|
|
TerrainLayer[] layers = terrain.terrainData.terrainLayers;
|
|
if (layers.Length > offset)
|
|
{
|
|
m_SelectedTerrainLayer = layers[offset];
|
|
m_LayerList.index = offset;
|
|
}
|
|
}
|
|
|
|
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
|
|
{
|
|
commonUI.OnSceneGUI2D(terrain, editContext);
|
|
#if UNITY_2019_1_OR_NEWER
|
|
// Don't paint if eyedropper is selected
|
|
if (m_EyedropperSelected)
|
|
{
|
|
EditorGUIUtility.AddCursorRect(new Rect(0, 0, Screen.width, Screen.height), MouseCursor.CustomCursor);
|
|
editContext.Repaint();
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
// We're only doing painting operations, early out if it's not a repaint
|
|
if (!editContext.hitValidTerrain && !commonUI.isInUse)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// update brush UI group
|
|
commonUI.OnSceneGUI(terrain, editContext);
|
|
|
|
// Don't render preview if this isn't a repaint. losing performance if we do
|
|
if (Event.current.type != EventType.Repaint)
|
|
{
|
|
return;
|
|
}
|
|
|
|
Texture brushTexture = editContext.brushTexture;
|
|
|
|
using (IBrushRenderPreviewUnderCursor brushRender = new BrushRenderPreviewUIGroupUnderCursor(commonUI, "PaintTextureTool", brushTexture))
|
|
{
|
|
if (brushRender.CalculateBrushTransform(out BrushTransform brushTransform)) //cute.
|
|
{
|
|
RenderTexture tmpRT = RenderTexture.active;
|
|
Rect brushBounds = brushTransform.GetBrushXYBounds();
|
|
PaintContext heightmapContext = brushRender.AcquireHeightmap(false, brushBounds, 1);
|
|
var previewMaterial = Utility.GetDefaultPreviewMaterial(commonUI.hasEnabledFilters);
|
|
|
|
var texelCtx = Utility.CollectTexelValidity(heightmapContext.originTerrain, brushTransform.GetBrushXYBounds());
|
|
Utility.SetupMaterialForPaintingWithTexelValidityContext(heightmapContext, texelCtx, brushTransform, previewMaterial);
|
|
|
|
var filterRT = RTUtils.GetTempHandle(heightmapContext.sourceRenderTexture.width, heightmapContext.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
|
|
Utility.GenerateAndSetFilterRT(commonUI, heightmapContext.sourceRenderTexture, filterRT, previewMaterial);
|
|
|
|
brushRender.RenderBrushPreview(heightmapContext, TerrainBrushPreviewMode.SourceRenderTexture, brushTransform, previewMaterial, 0);
|
|
texelCtx.Cleanup();
|
|
RTUtils.Release(filterRT);
|
|
}
|
|
}
|
|
}
|
|
|
|
public override void OnInspectorGUI(Terrain terrain, IOnInspectorGUI editContext)
|
|
{
|
|
EditorGUI.BeginChangeCheck();
|
|
|
|
commonUI.OnInspectorGUI(terrain, editContext);
|
|
|
|
m_TargetStrength = EditorGUILayout.Slider(Styles.targetStrengthTxt, m_TargetStrength, 0.0f, 1.0f);
|
|
|
|
if (m_TemplateMaterialEditor == null) m_TemplateMaterialEditor = Editor.CreateEditor(terrain.materialTemplate); // fix - 1306604
|
|
|
|
#if UNITY_2019_2_OR_NEWER
|
|
|
|
// Material GUI
|
|
m_ShowMaterialEditor = TerrainToolGUIHelper.DrawHeaderFoldout(Styles.materialControls, m_ShowMaterialEditor);
|
|
if (m_ShowMaterialEditor)
|
|
{
|
|
Editor.DrawFoldoutInspector(terrain.materialTemplate, ref m_TemplateMaterialEditor);
|
|
#if UNITY_2021_2_OR_NEWER
|
|
TerrainInspectorUtility.TerrainShaderValidationGUI(terrain.materialTemplate);
|
|
#endif
|
|
EditorGUILayout.Space();
|
|
}
|
|
#endif
|
|
// Layers GUI
|
|
m_ShowLayerInspector = TerrainToolGUIHelper.DrawHeaderFoldout(Styles.layerControls, m_ShowLayerInspector);
|
|
if (m_ShowLayerInspector)
|
|
{
|
|
LayersGUI(terrain, editContext);
|
|
|
|
#if UNITY_2019_2_OR_NEWER
|
|
m_ShowLayerProperties = TerrainToolGUIHelper.DrawHeaderFoldout(Styles.layerProperties, m_ShowLayerProperties);
|
|
if (m_ShowLayerProperties)
|
|
{
|
|
if (!m_LayerRepaintFlag)
|
|
{
|
|
TerrainLayerUtility.ShowTerrainLayerGUI(terrain, m_SelectedTerrainLayer, ref m_SelectedTerrainLayerInspector,
|
|
(m_TemplateMaterialEditor as MaterialEditor)?.customShaderGUI as ITerrainLayerCustomUI);
|
|
}
|
|
else
|
|
{
|
|
m_LayerRepaintFlag = false; // flag to skip layer property repaint when layer list modified
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
TerrainToolsAnalytics.OnParameterChange();
|
|
}
|
|
}
|
|
|
|
private static class Styles
|
|
{
|
|
public static readonly GUIContent description = EditorGUIUtility.TrTextContent("Applies tiled Textures onto the Terrain.\n\n" +
|
|
"Hold Shift + A + Click to sample layers from the terrain.");
|
|
#if UNITY_2019_2_OR_NEWER
|
|
public static readonly GUIContent materialControls = EditorGUIUtility.TrTextContent("Material");
|
|
public static readonly GUIContent layerProperties = EditorGUIUtility.TrTextContent("Layer Properties");
|
|
#endif
|
|
public static readonly GUIContent layerControls = EditorGUIUtility.TrTextContent("Layers");
|
|
public static readonly GUIContent PalettePreset = EditorGUIUtility.TrTextContent("Layer Palette Profile", "Select an existing layer palette asset or create a new palette asset from the layer list.");
|
|
public static readonly GUIContent NewLayer = EditorGUIUtility.TrTextContent("Create New Layer", "Create a new layer with provided name and add to the layer palette.");
|
|
public static readonly GUIContent CreateLayersBtn = EditorGUIUtility.TrTextContent("Create...", "Create a new layer.");
|
|
public static readonly GUIContent SavePaletteBtn = EditorGUIUtility.TrTextContent("Save", "Save the current layer list into selected palette asset file on disk.");
|
|
public static readonly GUIContent SaveAsPaletteBtn = EditorGUIUtility.TrTextContent("Save As", "Save the current palette asset as a new file on disk.");
|
|
public static readonly GUIContent RevertPaletteBtn = EditorGUIUtility.TrTextContent("Revert", "Load selected palette and apply to the layer list.");
|
|
public static readonly GUIContent RemoveLayersBtn = EditorGUIUtility.TrTextContent("Remove Selected Layers", "Removes layers that are selected within the Layer Palette.");
|
|
public static readonly GUIContent targetStrengthTxt = EditorGUIUtility.TrTextContent("Target Strength", "Maximum opacity this brush will paint to.");
|
|
public static readonly string LayersWarning = "The selected terrain doesn't contain any layers. Add or create layer(s) to paint on the terrain.";
|
|
}
|
|
|
|
// layer list view
|
|
const int kElementHeight = 70;
|
|
const int kElementObjectFieldHeight = 16;
|
|
const int kElementPadding = 2;
|
|
const int kElementObjectFieldWidth = 240;
|
|
const int kElementToggleWidth = 20;
|
|
const int kElementImageWidth = 64;
|
|
const int kElementImageHeight = 64;
|
|
|
|
void LayersGUI(Terrain terrain, IOnInspectorGUI editContext)
|
|
{
|
|
if (terrain != null && terrain.terrainData.terrainLayers.Length == 0)
|
|
{
|
|
EditorGUILayout.HelpBox(Styles.LayersWarning, MessageType.Warning);
|
|
}
|
|
|
|
// Layer Palette preset
|
|
EditorGUILayout.BeginHorizontal();
|
|
EditorGUILayout.LabelField(Styles.PalettePreset, GUILayout.Width(EditorGUIUtility.labelWidth - 4.5f));
|
|
EditorGUI.BeginChangeCheck();
|
|
m_SelectedLayerPalette = (TerrainPalette)EditorGUILayout.ObjectField(m_SelectedLayerPalette, typeof(TerrainPalette), false, GUILayout.MinWidth(130));
|
|
if (EditorGUI.EndChangeCheck() && m_SelectedLayerPalette != null)
|
|
{
|
|
if (EditorUtility.DisplayDialog("Confirm", "Load palette from selected?", "OK", "Cancel"))
|
|
{
|
|
LoadPalette();
|
|
}
|
|
}
|
|
if (GUILayout.Button(Styles.SavePaletteBtn))
|
|
{
|
|
if (GetPalette())
|
|
{
|
|
m_SelectedLayerPalette.PaletteLayers.Clear();
|
|
foreach (var layer in m_PaletteLayers)
|
|
{
|
|
m_SelectedLayerPalette.PaletteLayers.Add(layer.AssignedLayer);
|
|
}
|
|
AssetDatabase.SaveAssets();
|
|
}
|
|
}
|
|
if (GUILayout.Button(Styles.SaveAsPaletteBtn))
|
|
{
|
|
CreateNewPalette();
|
|
}
|
|
if (GUILayout.Button(Styles.RevertPaletteBtn))
|
|
{
|
|
if (GetPalette())
|
|
{
|
|
LoadPalette();
|
|
}
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
|
|
// Reorderable list view
|
|
EditorGUILayout.BeginVertical("Box");
|
|
if (m_LayerList == null)
|
|
{
|
|
m_LayerList = new ReorderableList(m_PaletteLayers, typeof(Layer), true, true, false, false);
|
|
m_LayerList.elementHeight = kElementHeight;
|
|
m_LayerList.drawHeaderCallback = DrawHeader;
|
|
m_LayerList.drawElementCallback = DrawLayerElement;
|
|
m_LayerList.onSelectCallback = OnSelectLayerElement;
|
|
m_LayerList.onReorderCallbackWithDetails = OnReorderLayerElement;
|
|
}
|
|
|
|
if (!terrain.terrainData.terrainLayers.Equals(m_PaletteLayers))
|
|
{
|
|
UpdateLayerPalette(terrain);
|
|
m_SelectedTerrain = terrain;
|
|
}
|
|
|
|
CreateLayersIfNeeded();
|
|
m_LayerList.DoLayoutList();
|
|
|
|
// Layer creation
|
|
if (Event.current.commandName == "ObjectSelectorClosed" &&
|
|
EditorGUIUtility.GetObjectPickerControlID() == m_layerPickerWindowID)
|
|
{
|
|
m_PickedLayer = (TerrainLayer)EditorGUIUtility.GetObjectPickerObject();
|
|
}
|
|
|
|
if (m_PickedLayer != null && Event.current.type == EventType.Repaint)
|
|
{
|
|
TerrainLayer tempLayer = m_PickedLayer;
|
|
m_PickedLayer = null;
|
|
AddLayerElement(tempLayer);
|
|
editContext.Repaint();
|
|
}
|
|
|
|
if (Event.current.commandName == "ObjectSelectorClosed" &&
|
|
EditorGUIUtility.GetObjectPickerControlID() == m_objPickerWindowID)
|
|
{
|
|
m_layerTexture = (Texture2D)EditorGUIUtility.GetObjectPickerObject();
|
|
}
|
|
|
|
if (m_layerTexture != null && Event.current.type == EventType.Repaint)
|
|
{
|
|
Texture2D tempTexture = m_layerTexture;
|
|
m_layerTexture = null;
|
|
CreateNewLayerWithTexture(tempTexture);
|
|
}
|
|
|
|
// Control buttons
|
|
EditorGUILayout.BeginHorizontal();
|
|
EditorGUI.BeginDisabledGroup(!CanAddLayerElement());
|
|
if (GUILayout.Button("Add Layer", GUILayout.Height(20)))
|
|
{
|
|
m_layerPickerWindowID = EditorGUIUtility.GetControlID(FocusType.Passive) + 200; // had to bump this to make it unique
|
|
EditorGUIUtility.ShowObjectPicker<TerrainLayer>(null, false, "", m_layerPickerWindowID);
|
|
}
|
|
EditorGUI.EndDisabledGroup();
|
|
if (GUILayout.Button("Remove Layer", GUILayout.Height(20)) &&
|
|
EditorUtility.DisplayDialog("Warning", "Splatmap data changed by this layer will be lost.", "OK", "Cancel"))
|
|
{
|
|
RemoveLayerElement();
|
|
}
|
|
if (GUILayout.Button(Styles.RemoveLayersBtn, GUILayout.Height(20)) &&
|
|
EditorUtility.DisplayDialog("Error", "Splatmap data changed by these layers will be lost.", "OK", "Cancel"))
|
|
{
|
|
RemoveSelectedLayerElements();
|
|
m_ToggleAllElements = false;
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
|
|
// Create new layer
|
|
EditorGUILayout.Space();
|
|
EditorGUILayout.BeginHorizontal();
|
|
m_LayerName = EditorGUILayout.TextField(Styles.NewLayer, m_LayerName);
|
|
if (GUILayout.Button(Styles.CreateLayersBtn, GUILayout.Width(85), GUILayout.Height(20)))
|
|
{
|
|
m_objPickerWindowID = EditorGUIUtility.GetControlID(FocusType.Passive) + 100; // had to bump this to make it unique
|
|
EditorGUIUtility.ShowObjectPicker<Texture2D>(null, false, "", m_objPickerWindowID);
|
|
}
|
|
EditorGUILayout.EndHorizontal();
|
|
EditorGUILayout.Space();
|
|
EditorGUILayout.EndVertical();
|
|
}
|
|
|
|
private void CreateLayersIfNeeded()
|
|
{
|
|
if (m_SelectedTerrain == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
for (int i = 0; i < m_PaletteLayers.Count && i < m_SelectedTerrain.terrainData.terrainLayers.Length; ++i)
|
|
{
|
|
if (m_PaletteLayers[i] == null)
|
|
{
|
|
m_PaletteLayers[ i ] = new Layer();
|
|
m_PaletteLayers[ i ].AssignedLayer = m_SelectedTerrain.terrainData.terrainLayers[ i ];
|
|
}
|
|
}
|
|
}
|
|
|
|
void DrawHeader(Rect rect)
|
|
{
|
|
var rectToggle = new Rect(rect.x + 16, rect.y, rect.width, rect.height);
|
|
EditorGUI.BeginChangeCheck();
|
|
m_ToggleAllElements = EditorGUI.Toggle(rectToggle, m_ToggleAllElements);
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
foreach (var layerElement in m_PaletteLayers)
|
|
{
|
|
layerElement.IsSelected = m_ToggleAllElements;
|
|
}
|
|
}
|
|
var rectLabel = new Rect(rectToggle.x + kElementToggleWidth + kElementPadding, rect.y, kElementObjectFieldWidth, kElementToggleWidth);
|
|
EditorGUI.LabelField(rectLabel, "Layer Palette", EditorStyles.boldLabel);
|
|
}
|
|
|
|
void DrawLayerElement(Rect rect, int index, bool selected, bool focused)
|
|
{
|
|
rect.y = rect.y + kElementPadding;
|
|
var rectButton = new Rect((rect.x + kElementPadding), rect.y, kElementToggleWidth, kElementToggleWidth);
|
|
var rectImage = new Rect((rectButton.x + kElementToggleWidth), rect.y, kElementImageWidth, kElementImageHeight);
|
|
var rectObject = new Rect((rectImage.x + kElementImageWidth + 10), rect.y, kElementObjectFieldWidth, kElementObjectFieldHeight);
|
|
|
|
if (m_PaletteLayers.Count > 0 && m_PaletteLayers.ElementAtOrDefault(index) != null)
|
|
{
|
|
m_PaletteLayers[index].IsSelected = EditorGUI.Toggle(rectButton, m_PaletteLayers[index].IsSelected);
|
|
|
|
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);
|
|
EditorGUI.BeginChangeCheck();
|
|
m_PaletteLayers[index].AssignedLayer = EditorGUI.ObjectField(rectObject, m_PaletteLayers[index].AssignedLayer, typeof(TerrainLayer), false) as TerrainLayer;
|
|
EditorGUILayout.EndHorizontal();
|
|
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
if (m_PaletteLayers[index].AssignedLayer == null)
|
|
{
|
|
m_PaletteLayers.RemoveAt(index);
|
|
TerrainToolboxLayer.RemoveLayerFromTerrain(m_SelectedTerrain.terrainData, index);
|
|
m_SelectedTerrainLayer = null;
|
|
}
|
|
else if (existLayers.Contains(m_PaletteLayers[index].AssignedLayer) && m_PaletteLayers[index].AssignedLayer != oldLayer)
|
|
{
|
|
m_PaletteLayers[index].AssignedLayer = oldLayer;
|
|
}
|
|
else
|
|
{
|
|
if (m_SelectedTerrain.terrainData.terrainLayers.Length < m_PaletteLayers.Count)
|
|
{
|
|
TerrainToolboxLayer.AddLayerToTerrain(m_SelectedTerrain.terrainData, m_PaletteLayers[index].AssignedLayer);
|
|
}
|
|
else
|
|
{
|
|
int layersLength = m_SelectedTerrain.terrainData.terrainLayers.Length;
|
|
TerrainLayer[] layers = m_SelectedTerrain.terrainData.terrainLayers;
|
|
layers[index] = m_PaletteLayers[index].AssignedLayer;
|
|
m_SelectedTerrainLayer = m_PaletteLayers[index].AssignedLayer;
|
|
m_SelectedTerrain.terrainData.terrainLayers = layers;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void AddLayerElement(TerrainLayer layer)
|
|
{
|
|
if (LayerExists(layer))
|
|
{
|
|
m_SelectedTerrainLayer = layer;
|
|
return;
|
|
}
|
|
|
|
Layer newLayer = new Layer();
|
|
newLayer.AssignedLayer = layer;
|
|
newLayer.IsSelected = m_ToggleAllElements;
|
|
m_PaletteLayers.Add(newLayer);
|
|
TerrainToolboxLayer.AddLayerToTerrain(m_SelectedTerrain.terrainData, newLayer.AssignedLayer);
|
|
m_SelectedTerrainLayer = newLayer.AssignedLayer;
|
|
m_LayerList.index = m_PaletteLayers.Count - 1;
|
|
#if UNITY_2019_2_OR_NEWER
|
|
m_LayerRepaintFlag = true;
|
|
#endif
|
|
}
|
|
|
|
bool LayerExists(TerrainLayer layer)
|
|
{
|
|
List<TerrainLayer> existingLayers = m_PaletteLayers.Select(l => l.AssignedLayer).ToList();
|
|
|
|
if(existingLayers.Count > 0 && existingLayers.Contains(layer))
|
|
{
|
|
m_LayerList.index = existingLayers.IndexOf(layer);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void CreateNewLayerWithTexture(Texture2D texture)
|
|
{
|
|
Layer newLayer = new Layer();
|
|
newLayer.AssignedLayer = new TerrainLayer();
|
|
newLayer.AssignedLayer.diffuseTexture = texture;
|
|
m_PaletteLayers.Add(newLayer);
|
|
m_LayerList.index = m_PaletteLayers.Count - 1;
|
|
|
|
string path = "Assets";
|
|
foreach (UnityEngine.Object obj in Selection.GetFiltered(typeof(UnityEngine.Object), SelectionMode.Assets))
|
|
{
|
|
path = AssetDatabase.GetAssetPath(obj);
|
|
if (!string.IsNullOrEmpty(path) && File.Exists(path))
|
|
{
|
|
path = Path.GetDirectoryName(path);
|
|
break;
|
|
}
|
|
}
|
|
|
|
newLayer.AssignedLayer.name = m_LayerName;
|
|
TerrainToolboxLayer.AddLayerToTerrain(m_SelectedTerrain.terrainData, newLayer.AssignedLayer);
|
|
AssetDatabase.CreateAsset(newLayer.AssignedLayer, AssetDatabase.GenerateUniqueAssetPath($"{path}/{m_LayerName}.terrainlayer"));
|
|
}
|
|
|
|
void RemoveLayerElement()
|
|
{
|
|
if (m_PaletteLayers.ElementAtOrDefault(m_LayerList.index) == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
m_PaletteLayers.RemoveAt(m_LayerList.index);
|
|
|
|
if (m_SelectedTerrain.terrainData.terrainLayers.Length > m_LayerList.index)
|
|
{
|
|
TerrainToolboxLayer.RemoveLayerFromTerrain(m_SelectedTerrain.terrainData, m_LayerList.index);
|
|
}
|
|
|
|
m_LayerList.index = m_PaletteLayers.Count - 1;
|
|
if (m_LayerList.index >= 0 && m_LayerList.index < m_PaletteLayers.Count)
|
|
{
|
|
m_SelectedTerrainLayer = m_PaletteLayers[m_LayerList.index].AssignedLayer;
|
|
}
|
|
else
|
|
{
|
|
m_SelectedTerrainLayer = null;
|
|
}
|
|
}
|
|
|
|
void RemoveSelectedLayerElements()
|
|
{
|
|
for (int i = m_PaletteLayers.Count - 1; i >= 0; i--)
|
|
{
|
|
if (m_PaletteLayers[i].IsSelected)
|
|
{
|
|
if (m_PaletteLayers[i].AssignedLayer != null)
|
|
{
|
|
TerrainToolboxLayer.RemoveLayerFromTerrain(m_SelectedTerrain.terrainData, i);
|
|
}
|
|
m_PaletteLayers.RemoveAt(i);
|
|
}
|
|
}
|
|
m_SelectedTerrainLayer = null;
|
|
AssetDatabase.Refresh();
|
|
}
|
|
|
|
void OnSelectLayerElement(ReorderableList list)
|
|
{
|
|
if (m_SelectedTerrain.terrainData.terrainLayers.Length > list.index)
|
|
{
|
|
m_SelectedTerrainLayer = m_SelectedTerrain.terrainData.terrainLayers[list.index];
|
|
}
|
|
}
|
|
|
|
void OnReorderLayerElement(ReorderableList list, int oldIndex, int newIndex)
|
|
{
|
|
TerrainLayer[] layers = m_SelectedTerrain.terrainData.terrainLayers;
|
|
|
|
if (layers[oldIndex] != null)
|
|
{
|
|
TerrainLayer temp = layers[oldIndex];
|
|
layers[oldIndex] = layers[newIndex];
|
|
layers[newIndex] = temp;
|
|
for (int i = 0; i < m_PaletteLayers.Count; i++)
|
|
{
|
|
layers[i] = m_PaletteLayers[i].AssignedLayer;
|
|
}
|
|
m_SelectedTerrain.terrainData.SetTerrainLayersRegisterUndo(layers, "Reorder Terrain Layers");
|
|
}
|
|
}
|
|
|
|
bool CanAddLayerElement()
|
|
{
|
|
return m_PaletteLayers.Count < m_MaxLayerCount;
|
|
}
|
|
|
|
void UpdateLayerPalette(Terrain terrain)
|
|
{
|
|
if (terrain == null || m_LayerList == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
bool[] selectedList = new bool[m_PaletteLayers.Count];
|
|
for (int i = 0; i < m_PaletteLayers.Count; i++)
|
|
{
|
|
selectedList[i] = m_PaletteLayers[i].IsSelected;
|
|
}
|
|
|
|
m_PaletteLayers.Clear();
|
|
m_LayerList.index = -1;
|
|
|
|
int index = 0;
|
|
foreach (TerrainLayer layer in terrain.terrainData.terrainLayers)
|
|
{
|
|
if (layer != null)
|
|
{
|
|
Layer paletteLayer = new Layer();
|
|
paletteLayer.AssignedLayer = layer;
|
|
paletteLayer.IsSelected = selectedList.ElementAtOrDefault(index);
|
|
m_PaletteLayers.Add(paletteLayer);
|
|
if (layer == m_SelectedTerrainLayer)
|
|
m_LayerList.index = index;
|
|
index++;
|
|
}
|
|
}
|
|
|
|
if (m_LayerList.index == -1)
|
|
{
|
|
m_SelectedTerrainLayer = null;
|
|
}
|
|
}
|
|
|
|
bool GetPalette()
|
|
{
|
|
if (m_SelectedLayerPalette == null)
|
|
{
|
|
if (EditorUtility.DisplayDialog("Error", "No layer palette found, create a new one?", "OK", "Cancel"))
|
|
{
|
|
return CreateNewPalette();
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void LoadPalette()
|
|
{
|
|
if (!GetPalette())
|
|
return;
|
|
|
|
m_PaletteLayers.Clear();
|
|
List<TerrainLayer> terrainLayers = new List<TerrainLayer>();
|
|
foreach (var layer in m_SelectedLayerPalette.PaletteLayers)
|
|
{
|
|
if (layer != null)
|
|
{
|
|
Layer newLayer = new Layer();
|
|
newLayer.AssignedLayer = layer;
|
|
m_PaletteLayers.Add(newLayer);
|
|
terrainLayers.Add(layer);
|
|
}
|
|
}
|
|
m_SelectedTerrain.terrainData.SetTerrainLayersRegisterUndo(terrainLayers.ToArray(), "Load Palette");
|
|
}
|
|
|
|
bool CreateNewPalette()
|
|
{
|
|
string filePath = EditorUtility.SaveFilePanelInProject("Create New Palette", "New Layer Palette.asset", "asset", "");
|
|
if (string.IsNullOrEmpty(filePath))
|
|
{
|
|
return false;
|
|
}
|
|
m_SelectedLayerPalette = CreateInstance<TerrainPalette>();
|
|
foreach (var layer in m_PaletteLayers)
|
|
{
|
|
m_SelectedLayerPalette.PaletteLayers.Add(layer.AssignedLayer);
|
|
}
|
|
AssetDatabase.CreateAsset(m_SelectedLayerPalette, filePath);
|
|
AssetDatabase.SaveAssets();
|
|
AssetDatabase.Refresh();
|
|
|
|
return true;
|
|
}
|
|
|
|
void GetAndSetActiveRenderPipelineSettings()
|
|
{
|
|
ToolboxHelper.RenderPipeline m_ActiveRenderPipeline = ToolboxHelper.GetRenderPipeline();
|
|
switch (m_ActiveRenderPipeline)
|
|
{
|
|
case ToolboxHelper.RenderPipeline.HD:
|
|
m_MaxLayerCount = kMaxLayerHD;
|
|
break;
|
|
case ToolboxHelper.RenderPipeline.LW:
|
|
m_MaxLayerCount = kMaxNoLimit;
|
|
break;
|
|
default:
|
|
m_MaxLayerCount = kMaxNoLimit;
|
|
break;
|
|
}
|
|
}
|
|
|
|
//Analytics Setup
|
|
private TerrainToolsAnalytics.IBrushParameter[] UpdateAnalyticParameters() => new TerrainToolsAnalytics.IBrushParameter[]{
|
|
new TerrainToolsAnalytics.BrushParameter<float>{Name = Styles.targetStrengthTxt.text, Value = m_TargetStrength},
|
|
new TerrainToolsAnalytics.BrushParameter<int>{Name = "Layers Count", Value = m_PaletteLayers.Count},
|
|
};
|
|
}
|
|
}
|