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();
}
public void TerrainToolboxUtilites_WhenApplySplatmaps_DoesNotDividebyZero()
{
// Preparation:
// Collect data, create needed objects
Texture2D texture = new Texture2D(512, 512);
TerrainLayer layer = new TerrainLayer();
layer.diffuseTexture = texture;
TerrainLayer[] terrainLayers = { layer };
//Add splatmap to terrain in order to import into the Utilities Window
m_TerrainComponent.terrainData.terrainLayers = terrainLayers;
Selection.activeGameObject = m_TerrainGO;
// Execute the repro steps in code
TerrainToolboxWindow toolboxWindow = EditorWindow.GetWindow(typeof(TerrainToolboxWindow)) as TerrainToolboxWindow;
toolboxWindow.m_TerrainUtilitiesMode.ImportSplatmapsFromTerrain(true);
Selection.activeGameObject = null;
Assert.That(() =>
{
toolboxWindow.m_TerrainUtilitiesMode.ExportSplatmapsToTerrain(true);
}, !Throws.TypeOf <System.DivideByZeroException>());
toolboxWindow.Close();
}
public void TerrainToolboxUtilites_WhenSelectSplatmap_DoesNotIndexOutOfRange()
{
//Collect data, create needed objects
Texture2D texture = new Texture2D(512, 512);
TerrainLayer layer = new TerrainLayer();
layer.diffuseTexture = texture;
TerrainLayer[] terrainLayers = { layer };
//Create gameobject with terrain component
m_TerrainGO = new GameObject();
Terrain terrain = m_TerrainGO.AddComponent <Terrain>();
terrain.terrainData = new TerrainData();
//Add splatmap to terrain in order to import into the Utilities Window
terrain.terrainData.terrainLayers = terrainLayers;
//Execute the repro steps in code
TerrainToolboxWindow toolboxWindow = EditorWindow.GetWindow(typeof(TerrainToolboxWindow)) as TerrainToolboxWindow;
Selection.activeGameObject = m_TerrainGO;
toolboxWindow.m_TerrainUtilitiesMode.ImportSplatmapsFromTerrain();
Assert.That(() =>
{
toolboxWindow.m_TerrainUtilitiesMode.ExportSplatmapsToTerrain(true);
}, !Throws.TypeOf <System.IndexOutOfRangeException>());
toolboxWindow.Close();
}
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();
}
public void TerrainToolboxUtilites_WhenSplitTerrain_MissingTrees(int amountOfTreesX, int amountOfTreesZ, int tileXAxis, int tileZAxis)
{
//Setup tree prefab (Needs to be persistent)
GameObject treePrefab = GameObject.CreatePrimitive(PrimitiveType.Cube);
treePrefab.GetComponent <Renderer>().sharedMaterial.shader = Shader.Find("Nature/Tree Soft Occlusion Bark");
string localPath = $"Assets/{treePrefab.name}.prefab";
localPath = AssetDatabase.GenerateUniqueAssetPath(localPath);
PrefabUtility.SaveAsPrefabAsset(treePrefab, localPath);
treePrefab = AssetDatabase.LoadAssetAtPath(localPath, typeof(GameObject)) as GameObject;
//Setup terrain object with trees
TerrainData terrainData = m_TerrainComponent.terrainData;
TreePrototype prototype = new TreePrototype();
prototype.prefab = treePrefab;
terrainData.treePrototypes = new TreePrototype[]
{
prototype
};
TreeInstance[] treeInstancesArray = new TreeInstance[amountOfTreesX * amountOfTreesZ];
for (int z = 0; z < amountOfTreesZ; z++)
{
for (int x = 0; x < amountOfTreesX; x++)
{
TreeInstance treeInstance = new TreeInstance();
treeInstance.prototypeIndex = 0;
treeInstance.position = new Vector3(x / (float)amountOfTreesX, 0, z / (float)amountOfTreesZ);
treeInstancesArray[(z * amountOfTreesZ) + x] = treeInstance;
}
}
terrainData.treeInstances = treeInstancesArray;
// Set up parent object so we can locate the split tiles for cleanup after testing
int groupingId = 12345;
var parent = new GameObject().AddComponent <TerrainGroup>();
parent.GroupID = groupingId;
m_TerrainComponent.transform.SetParent(parent.transform);
//Execute the repro steps checking to make sure split terrains have trees
Selection.activeGameObject = m_TerrainGO;
TerrainToolboxWindow toolboxWindow = EditorWindow.GetWindow(typeof(TerrainToolboxWindow)) as TerrainToolboxWindow;
toolboxWindow.m_TerrainUtilitiesMode.m_Settings.KeepOldTerrains = true;
toolboxWindow.m_TerrainUtilitiesMode.m_Settings.TileXAxis = tileXAxis;
toolboxWindow.m_TerrainUtilitiesMode.m_Settings.TileZAxis = tileZAxis;
toolboxWindow.m_TerrainUtilitiesMode.SplitTerrains(true);
Terrain[] objs = GameObject.FindObjectsOfType <Terrain>();
Terrain[] splitTerrains = objs.Where(
obj => obj.terrainData?.treeInstanceCount > 0
).ToArray();
Assert.IsNotEmpty(splitTerrains);
//Cleanup
toolboxWindow.Close();
FileUtil.DeleteFileOrDirectory("Assets/Terrain");
File.Delete("Assets/Terrain.meta");
File.Delete(localPath);
File.Delete(localPath + ".meta");
UnityEditor.AssetDatabase.Refresh();
}
