public void SplatmapsAreCopiedOnImport()
{
var terrainData = new TerrainData();
terrainData.alphamapResolution = 16;
terrainData.terrainLayers = new []
{
new TerrainLayer(), new TerrainLayer()
};
float[,,] map = new float[terrainData.alphamapWidth, terrainData.alphamapHeight, 2];
for (int y = 0; y < terrainData.alphamapHeight; y++)
{
for (int x = 0; x < terrainData.alphamapWidth; x++)
{
map[x, y, 0] = 1;
}
}
map[0, 0, 0] = 0;
map[0, 0, 1] = 1;
terrainData.SetAlphamaps(0, 0, map);
// create terrain
var TerrainGO = Terrain.CreateTerrainGameObject(terrainData);
// import splatmaps into terrain toolbox
var terrainUtilities = new TerrainToolboxUtilities();
Selection.activeGameObject = TerrainGO;
terrainUtilities.ImportSplatmapsFromTerrain();
// perform flip operation (should modify data in the utilities local texture copy)
terrainUtilities.FlipSplatmap();
// confirm that the value in the terrain splatmap hasn't changed
terrainData.SyncTexture(TerrainData.AlphamapTextureName);
var newMap = terrainData.GetAlphamaps(0, 0, terrainData.alphamapResolution, terrainData.alphamapResolution);
Assert.That(newMap[0, 0, 0], Is.EqualTo(0));
Assert.That(newMap[0, 0, 1], Is.EqualTo(1));
}
public void TerrainToolboxUtilities_WhenApplySplatmaps_DoesNotModifyColorData()
{
//Setup terrain layer data
TerrainToolboxWindow toolboxWindow = EditorWindow.GetWindow <TerrainToolboxWindow>();
TerrainLayer layer = new TerrainLayer();
layer.diffuseTexture = CreateGradientTexture();
byte[] texData = layer.diffuseTexture.GetRawTextureData();
m_TerrainComponent.terrainData.terrainLayers = new TerrainLayer[] { layer };
//Reproduce steps
Selection.activeObject = m_TerrainGO;
TerrainToolboxUtilities utilities = toolboxWindow.m_TerrainUtilitiesMode;
utilities.ImportSplatmapsFromTerrain();
//Manually set splatmap list since the window's OnGUI method isn't called which normally sets the splatmap list
utilities.m_SplatmapList = new UnityEditorInternal.ReorderableList(utilities.m_Splatmaps, typeof(Texture2D), true, false, true, true);
utilities.ExportSplatmapsToTerrain(true);
Assert.AreEqual(texData, layer.diffuseTexture.GetRawTextureData());
}