public void TerrainToolboxUtilities_WhenSplitTerrain_HeightmapResolutionIsCorrect(int xSplit, int zSplit, int originalHeightmapRes)
{
TerrainToolboxWindow toolboxWindow = EditorWindow.GetWindow(typeof(TerrainToolboxWindow)) as TerrainToolboxWindow;
Texture2D gradientTexture = CreateGradientTexture();
int baseLevel = 0;
int remapLevel = 1;
int numberOfTiles = 1;
ToolboxHelper.CopyTextureToTerrainHeight(m_TerrainComponent.terrainData, gradientTexture, Vector2Int.zero, originalHeightmapRes, numberOfTiles, baseLevel, remapLevel);
Selection.activeGameObject = m_TerrainGO;
m_TerrainGO.name = "TestTerrain";
m_TerrainComponent.name = "TestComponent";
RenderTexture oldRT = RenderTexture.active;
RenderTexture.active = m_TerrainComponent.terrainData.heightmapTexture;
// Run the test
TestSplitTerrainHeightmapResolution(toolboxWindow, originalHeightmapRes, xSplit, zSplit);
AssetDatabase.Refresh();
RenderTexture.active = oldRT;
toolboxWindow.Close();
}
void GetAndSetActiveRenderPipelineSettings()
{
ToolboxHelper.RenderPipeline m_ActiveRenderPipeline = ToolboxHelper.GetRenderPipeline();
m_VisualizationMaterial = AssetDatabase.LoadAssetAtPath <Material>("Packages/com.unity.terrain-tools/editor/terraintoolbox/materials/terrainvisualization.mat");
switch (m_ActiveRenderPipeline)
{
case ToolboxHelper.RenderPipeline.HD:
m_VisualizationMaterial.shader = AssetDatabase.LoadAssetAtPath <Shader>(k_HDRPShaderPath);
break;
case ToolboxHelper.RenderPipeline.Universal:
m_VisualizationMaterial.shader = AssetDatabase.LoadAssetAtPath <Shader>(k_URPShaderPath);
break;
default:
if (m_Terrains == null || m_Terrains.Count == 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_VisualizationMaterial.shader = Shader.Find("Hidden/Builtin_TerrainVisualization");
break;
}
}
public void ToggleVisualization()
{
if (GameObject.FindObjectOfType <Terrain>() == null)
{
m_selectedMode = VISUALIZERMODE.None;
m_Settings.ModeWarning = true;
return;
}
if (m_Terrains == null || GameObject.FindObjectsOfType <Terrain>().Length != m_Terrains.Count || m_Terrains[0] == null)
{
m_Terrains.Clear();
m_Terrains.AddRange(ToolboxHelper.GetAllTerrainsInScene());
m_Settings.TerrainMaxHeight = m_Terrains[0].terrainData.size.y;
}
switch (m_selectedMode)
{
case VISUALIZERMODE.AltitudeHeatmap:
RevertMaterial();
RefreshTerrainInScene();
UpdateHeatmapSettings();
break;
case VISUALIZERMODE.None:
RevertMaterial();
break;
}
m_ModeWarning = false;
m_previousMode = m_selectedMode;
}
public void HeightmapResolutionsArePowerOfTwoPlusOne()
{
// this currently doesn't fail, but its possible that there are times
foreach (var heightmapResolution in ToolboxHelper.GUIHeightmapResolutions)
{
Assert.That(ToolboxHelper.IsPowerOfTwo(heightmapResolution - 1), Is.True);
}
}
public void IsPowerOfTwo()
{
// confirm for the first 100 powers of two
for (int i = 0; i < 100; i++)
{
Assert.That(ToolboxHelper.IsPowerOfTwo((int)Mathf.Pow(2, i)), Is.True);
}
}
public void GetValidSaveDirectory()
{
// when requesting outside application data path, return a path relative to assets
Assert.That(ToolboxHelper.GetProjectRelativeSaveDirectory(Application.dataPath + "/.."), Is.EqualTo("Assets"));
Assert.That(ToolboxHelper.GetProjectRelativeSaveDirectory("Assets"), Is.EqualTo("Assets"));
Assert.That(ToolboxHelper.GetProjectRelativeSaveDirectory("Assets/Test/"), Is.EqualTo("Assets/Test/"));
Assert.That(ToolboxHelper.IsDirectoryWithinAssets("Assets/Test/"), Is.True);
Assert.That(ToolboxHelper.IsDirectoryWithinAssets("Assets/../.."), Is.False);
Assert.That(ToolboxHelper.IsDirectoryWithinAssets("Assetsasdf"), Is.False);
// prefixed slashes to raise an exception within this function
Assert.That(ToolboxHelper.IsDirectoryWithinAssets("/Assets"), Is.False);
}
public void TerrainToolboxUtilites_WhenExportHeightmap_LevelCorrectionWorks(float min, float max, Heightmap.Format format, Heightmap.Depth depth = Heightmap.Depth.Bit16)
{
TerrainToolboxWindow toolboxWindow = EditorWindow.GetWindow(typeof(TerrainToolboxWindow)) as TerrainToolboxWindow;
Texture2D gradientTexture = CreateGradientTexture();
int heightmapResolution = 513;
int numberOfTiles = 1;
int baseLevel = 0;
int remapLevel = 1;
ToolboxHelper.CopyTextureToTerrainHeight(m_TerrainComponent.terrainData, gradientTexture, Vector2Int.zero, heightmapResolution, numberOfTiles, baseLevel, remapLevel);
Selection.activeGameObject = m_TerrainGO;
m_TerrainGO.name = "TestTerrain";
m_TerrainComponent.name = "TestComponent";
RenderTexture oldRT = RenderTexture.active;
RenderTexture.active = m_TerrainComponent.terrainData.heightmapTexture;
//Run Tests and Cleanup files
string fileName = m_TerrainGO.name + "_heightmap";
string path = Path.Combine(toolboxWindow.m_TerrainUtilitiesMode.m_Settings.HeightmapFolderPath, fileName);
switch (format)
{
case Heightmap.Format.PNG:
path += ".png";
Assert.IsTrue(TestLevelCorrection(toolboxWindow, new Vector2(min, max), path, format));
FileUtil.DeleteFileOrDirectory(path);
FileUtil.DeleteFileOrDirectory(path + ".meta");
break;
case Heightmap.Format.TGA:
path += ".tga";
Assert.IsTrue(TestLevelCorrection(toolboxWindow, new Vector2(min, max), path, format));
FileUtil.DeleteFileOrDirectory(path);
FileUtil.DeleteFileOrDirectory(path + ".meta");
break;
case Heightmap.Format.RAW:
path += ".raw";
Assert.IsTrue(TestLevelCorrection(toolboxWindow, new Vector2(min, max), path, depth));
FileUtil.DeleteFileOrDirectory(path);
FileUtil.DeleteFileOrDirectory(path + ".meta");
break;
}
AssetDatabase.Refresh();
RenderTexture.active = oldRT;
toolboxWindow.Close();
}
void LoadSettings()
{
string filePath = ToolboxHelper.GetPrefFilePath(ToolboxHelper.ToolboxPrefsWindow);
if (File.Exists(filePath))
{
string windowSettingsData = File.ReadAllText(filePath);
int value = 0;
if (int.TryParse(windowSettingsData, out value))
{
m_SelectedMode = (TerrainManagerMode)value;
}
}
}
public void SaveSettings()
{
if (m_SelectedPreset != null)
{
m_Settings.PresetPath = AssetDatabase.GetAssetPath(m_SelectedPreset);
}
else
{
m_Settings.PresetPath = string.Empty;
}
string filePath = ToolboxHelper.GetPrefFilePath(ToolboxHelper.ToolboxPrefsSettings);
string settingsData = JsonUtility.ToJson(m_Settings);
File.WriteAllText(filePath, settingsData);
}
public void FlipTexture()
{
var texture = new Texture2D(2, 2);
texture.SetPixels(new [] { Color.white, Color.black, Color.black, Color.black });
texture.Apply();
ToolboxHelper.FlipTexture(texture, true);
var horizontalFlip = texture.GetPixels();
Assert.That(horizontalFlip[1], Is.EqualTo(Color.white));
ToolboxHelper.FlipTexture(texture, false);
var verticalFlip = texture.GetPixels();
Assert.That(verticalFlip[3], Is.EqualTo(Color.white));
}
// Unity PNG encoder does not support 16bit export, change will come later 2019
public static void ExportTerrainHeightsToTexture(TerrainData terrainData, Heightmap.Format format, string path, bool flipVertical, Vector2 inputLevelsRange)
{
RenderTexture oldRT = RenderTexture.active;
int width = terrainData.heightmapTexture.width - 1;
int height = terrainData.heightmapTexture.height - 1;
var texture = new Texture2D(width, height, terrainData.heightmapTexture.graphicsFormat, TextureCreationFlags.None);
RenderTexture.active = terrainData.heightmapTexture;
texture.ReadPixels(new Rect(0, 0, width, height), 0, 0);
//Remap Texture
Color[] pixels = texture.GetPixels();
for (int i = 0; i < pixels.Length; i += 4)
{
pixels[i].r = (pixels[i].r * 2) * (inputLevelsRange.y - inputLevelsRange.x) + inputLevelsRange.x;
pixels[i + 1].r = (pixels[i + 1].r * 2) * (inputLevelsRange.y - inputLevelsRange.x) + inputLevelsRange.x;
pixels[i + 2].r = (pixels[i + 2].r * 2) * (inputLevelsRange.y - inputLevelsRange.x) + inputLevelsRange.x;
pixels[i + 3].r = (pixels[i + 3].r * 2) * (inputLevelsRange.y - inputLevelsRange.x) + inputLevelsRange.x;
}
texture.SetPixels(pixels);
texture.Apply();
//Flip Texture
if (flipVertical)
{
ToolboxHelper.FlipTexture(texture, true);
}
byte[] bytes;
switch (format)
{
case Heightmap.Format.TGA:
bytes = texture.EncodeToTGA();
path = path + ".tga";
break;
default:
bytes = texture.EncodeToPNG();
path = path + ".png";
break;
}
File.WriteAllBytes(path, bytes);
RenderTexture.active = oldRT;
}
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;
}
}
public void LoadSettings()
{
string filePath = ToolboxHelper.GetPrefFilePath(ToolboxHelper.ToolboxPrefsSettings);
if (File.Exists(filePath))
{
string settingsData = File.ReadAllText(filePath);
JsonUtility.FromJsonOverwrite(settingsData, m_Settings);
}
if (m_Settings.PresetPath == string.Empty)
{
m_SelectedPreset = null;
}
else
{
m_SelectedPreset = AssetDatabase.LoadAssetAtPath(m_Settings.PresetPath, typeof(TerrainSettings)) as TerrainSettings;
}
}
void RefreshTerrainInScene()
{
m_Terrains.Clear();
m_Terrains.AddRange(ToolboxHelper.GetAllTerrainsInScene());
if (m_Terrains.Count == 0)
{
m_ModeWarning = true;
return;
}
m_TerrainMaxHeight = m_Terrains.Max(t => t.terrainData.size.y);
m_TerrainMaterials.Clear();
foreach (Terrain terrain in m_Terrains)
{
m_TerrainMaterials.Add(terrain.materialTemplate);
}
m_ModeWarning = false;
}
public void SaveSettings()
{
if (m_SelectedPreset != null)
{
m_PresetPath = AssetDatabase.GetAssetPath(m_SelectedPreset);
}
else
{
m_PresetPath = string.Empty;
}
string filePath = ToolboxHelper.GetPrefFilePath(ToolboxHelper.ToolboxPrefsVisualization);
string settingsData = JsonUtility.ToJson(m_Settings);
File.WriteAllText(filePath, settingsData);
SceneView.RepaintAll();
EditorSceneManager.sceneSaving -= OnSceneSaving;
EditorSceneManager.sceneSaved -= OnSceneSaved;
EditorSceneManager.sceneOpened -= OnSceneOpened;
EditorApplication.playModeStateChanged -= PlayModeChanged;
Undo.undoRedoPerformed -= OnUndo;
}
public void LoadSettings()
{
string filePath = ToolboxHelper.GetPrefFilePath(ToolboxHelper.ToolboxPrefsVisualization);
if (File.Exists(filePath))
{
string settingsData = File.ReadAllText(filePath);
JsonUtility.FromJsonOverwrite(settingsData, m_Settings);
}
if (m_PresetPath == string.Empty)
{
m_SelectedPreset = null;
}
else
{
m_SelectedPreset = AssetDatabase.LoadAssetAtPath(m_PresetPath, typeof(TerrainVisualizationSettings)) as TerrainVisualizationSettings;
}
EditorSceneManager.sceneSaving += OnSceneSaving;
EditorSceneManager.sceneSaved += OnSceneSaved;
EditorSceneManager.sceneOpened += OnSceneOpened;
EditorApplication.playModeStateChanged += PlayModeChanged;
Undo.undoRedoPerformed += OnUndo;
}
void ApplySettingsToTerrains(Terrain[] terrains, string errorContext = "")
{
int index = 0;
try
{
bool continueEdit = true;
// Only show this warning if the user has Mesh Settings enabled.
if (m_Settings.EnableMeshResSettings)
{
var newSize = new Vector3(m_Settings.TerrainWidth, m_Settings.TerrainHeight,
m_Settings.TerrainLength);
foreach (var terrain in terrains)
{
// If any terrain has a size that's different from the specified settings, let's confirm
// the action.
if (terrain.terrainData.size != newSize)
{
var message =
"Some terrains have different sizes than the settings specified. This operation will resize the terrains potentially resulting in gaps and/or overlaps.";
if (string.IsNullOrEmpty(errorContext))
{
continueEdit = EditorUtility.DisplayDialog("Confirm",
$"{message}\nAre you sure you want to continue?",
"Continue", "Cancel");
}
else
{
continueEdit = EditorUtility.DisplayDialog("Confirm",
$"1. {errorContext}\n2. {message}\n\nAre you sure you want to continue?",
"Continue", "Cancel");
}
break;
}
}
}
if (continueEdit)
{
foreach (var terrain in terrains)
{
EditorUtility.DisplayProgressBar("Applying settings changes on terrains",
string.Format("Updating terrain tile {0}", terrain.name),
((float)index / terrains.Length));
if (m_Settings.EnableBasicSettings)
{
Undo.RecordObject(terrain, "Terrain property change");
terrain.groupingID = m_Settings.GroupingID;
terrain.allowAutoConnect = m_Settings.AutoConnect;
terrain.drawHeightmap = m_Settings.DrawHeightmap;
terrain.drawInstanced = m_Settings.DrawInstanced;
terrain.heightmapPixelError = m_Settings.PixelError;
terrain.basemapDistance = m_Settings.BaseMapDistance;
terrain.shadowCastingMode = m_Settings.ShadowCastingMode;
terrain.materialTemplate = m_Settings.MaterialTemplate;
terrain.reflectionProbeUsage = m_Settings.ReflectionProbeUsage;
#if UNITY_2019_2_OR_NEWER
#else
terrain.materialType = m_Settings.MaterialType;
if (m_Settings.MaterialType != Terrain.MaterialType.Custom)
{
terrain.legacySpecular = m_Settings.LegacySpecular;
terrain.legacyShininess = m_Settings.LegacyShininess;
}
#endif
}
if (m_Settings.EnableMeshResSettings)
{
Undo.RecordObject(terrain.terrainData, "TerrainData property change");
Vector3 size = new Vector3(m_Settings.TerrainWidth, m_Settings.TerrainHeight,
m_Settings.TerrainLength);
terrain.terrainData.size = size;
terrain.terrainData.SetDetailResolution(m_Settings.DetailResolutaion,
m_Settings.DetailResolutionPerPatch);
}
if (m_Settings.EnableTextureResSettings)
{
terrain.terrainData.baseMapResolution = m_Settings.BaseTextureResolution;
if (m_Settings.AlphaMapResolution != terrain.terrainData.alphamapResolution)
{
ToolboxHelper.ResizeControlTexture(terrain.terrainData, m_Settings.AlphaMapResolution);
}
if (m_Settings.HeightMapResolution != terrain.terrainData.heightmapResolution)
{
ToolboxHelper.ResizeHeightmap(terrain.terrainData, m_Settings.HeightMapResolution);
}
}
if (m_Settings.EnableTreeSettings)
{
Undo.RecordObject(terrain, "Terrain property change");
terrain.drawTreesAndFoliage = m_Settings.DrawTreesAndFoliage;
terrain.bakeLightProbesForTrees = m_Settings.BakeLightProbesForTrees;
terrain.deringLightProbesForTrees = m_Settings.DeringLightProbesForTrees;
terrain.preserveTreePrototypeLayers = m_Settings.PreserveTreePrototypeLayers;
terrain.detailObjectDistance = m_Settings.DetailObjectDistance;
terrain.collectDetailPatches = m_Settings.CollectDetailPatches;
terrain.detailObjectDensity = m_Settings.DetailObjectDensity;
terrain.treeDistance = m_Settings.TreeDistance;
terrain.treeBillboardDistance = m_Settings.TreeBillboardDistance;
terrain.treeCrossFadeLength = m_Settings.TreeCrossFadeLength;
terrain.treeMaximumFullLODCount = m_Settings.TreeMaximumFullLODCount;
}
if (m_Settings.EnableWindSettings)
{
Undo.RecordObject(terrain.terrainData, "TerrainData property change");
terrain.terrainData.wavingGrassStrength = m_Settings.WavingGrassStrength;
terrain.terrainData.wavingGrassSpeed = m_Settings.WavingGrassSpeed;
terrain.terrainData.wavingGrassAmount = m_Settings.WavingGrassAmount;
terrain.terrainData.wavingGrassTint = m_Settings.WavingGrassTint;
}
index++;
}
}
}
finally
{
AssetDatabase.Refresh();
EditorUtility.ClearProgressBar();
}
}
void SaveSettings()
{
string filePath = ToolboxHelper.GetPrefFilePath(ToolboxHelper.ToolboxPrefsWindow);
File.WriteAllText(filePath, ((int)m_SelectedMode).ToString());
}
