void UpdateHeight(TerrainImport terrainImport)
{
// Height
if (terrainImport.heightSetup.heightMap == null)
{
return;
}
var format = terrainImport.heightSetup.heightMap.format;
GameDebug.Log("Update height");
// TODO: use Texture2D.GetRawTextureData ??
var terrain = terrainImport.GetComponent <Terrain>();
var terrainData = terrain.terrainData;
terrainData.heightmapResolution = terrainImport.heightSetup.heightMap.width;
terrainData.size = terrainImport.generalSetup.size;
var time = stopwatch.Elapsed;
var data = new float[terrainImport.heightSetup.heightMap.width, terrainImport.heightSetup.heightMap.height];
GameDebug.Log("Allocated buffer [" + (stopwatch.Elapsed - time).Milliseconds + "ms]");
ReadChannelFromTexture(terrainImport.heightSetup.heightMap, 0, ref data);
time = stopwatch.Elapsed;
terrainData.SetHeights(0, 0, data);
EditorUtility.SetDirty(terrainData);
EditorUtility.SetDirty(terrain);
GameDebug.Log("Set heights [" + (stopwatch.Elapsed - time).Milliseconds + "ms]");
}
//private GameObject terrain;
public void MapTabClicked()
{
string selectedMap = gameObject.transform.GetChild(0).GetComponent <Text>().text;
//terrain = GameObject.Find("[UI Manager]");
TerrainImport terrainImport = UIManager.staticUIManager.GetComponent <TerrainImport>();
terrainImport.MapSelected(selectedMap);
}
public void MapTabClicked()
{
string selectedMap = gameObject.transform.GetChild(0).GetComponent <UnityEngine.UI.Text>().text;
terrain = GameObject.Find("[UI Manager]");
TerrainImport terrainImport = terrain.GetComponent <TerrainImport>();
terrainImport.MapSelected(selectedMap);
}
void UpdateAlphaMaps(TerrainImport terrainImport)
{
var terrain = terrainImport.GetComponent <Terrain>();
var terrainData = terrain.terrainData;
if (terrainImport.materialSetup.baseMaterial == null)
{
Debug.LogError("No baselayer defined!");
return;
}
var width = 0;
var height = 0;
var sizeSet = false;
var layerCount = 1;
// Get size of data
for (int i = 0; i < terrainImport.materialSetup.layers.Count; i++)
{
var layerData = terrainImport.materialSetup.layers[i].data;
if (layerData != null)
{
width = layerData.width;
height = layerData.height;
break;
}
}
for (int i = terrainImport.materialSetup.layers.Count - 1; i >= 0; i--)
{
var layer = terrainImport.materialSetup.layers[i];
if (IsLayerValid(layer, width, height, true))
{
layerCount++;
}
}
Debug.Log("Updating " + layerCount + " layers. Size:" + width + "," + height);
var alphaMaps = new float[width, height, layerCount];
float[,] data = new float[width, height];
var terrainLayers = new List <TerrainLayer>();
// Add base layer
terrainLayers.Add(terrainImport.materialSetup.baseMaterial);
Clear(alphaMaps, 0);
for (int i = terrainImport.materialSetup.layers.Count - 1; i >= 0; i--)
{
var layer = terrainImport.materialSetup.layers[i];
if (!IsLayerValid(terrainImport.materialSetup.layers[i], width, height, false))
{
continue;
}
var layerIndex = terrainLayers.Count;
terrainLayers.Add(layer.material);
ReadChannelFromTexture(layer.data, layer.dataChannel, ref data);
Blend(alphaMaps, layerIndex, data);
}
terrainData.terrainLayers = terrainLayers.ToArray();
terrainData.alphamapResolution = width;
terrainData.SetAlphamaps(0, 0, alphaMaps);
EditorUtility.SetDirty(terrainData);
EditorUtility.SetDirty(terrain);
}
void UpdatePropLayer(TerrainImport terrainImport, TerrainImport.PropLayer layer)
{
var time = stopwatch.Elapsed;
var terrain = terrainImport.GetComponent <Terrain>();
var terrainData = terrain.terrainData;
if (layer.propSet == null)
{
return;
}
var instanceList = new List <TreeInstance>(terrainData.treeInstances);
foreach (var propData in layer.propSet.props)
{
sampler.Setup(new float2(terrainData.size.x, terrainData.size.z), Mathf.Min(propData.distanceStart, propData.distanceEnd));
if (layer.map != null)
{
float[,] mapData = new float[layer.map.width, layer.map.height];
ReadChannelFromTexture(layer.map, 0, ref mapData);
sampler.MapDesity(ref mapData, propData.minDensity, propData.maxDensity, propData.distanceStart, propData.distanceEnd);
}
sampler.Calculate();
var protoIndex = FindTreeProtoIndex(terrainData, propData.prefab);
if (protoIndex == -1)
{
var protoList = new List <TreePrototype>(terrainData.treePrototypes);
protoIndex = protoList.Count;
protoList.Add(new TreePrototype
{
prefab = propData.prefab
});
terrainData.treePrototypes = protoList.ToArray();
EditorUtility.SetDirty(terrainData);
EditorUtility.SetDirty(terrain);
}
for (int i = 0; i < sampler.propData.Count; i++)
{
var prop = sampler.propData[i];
var gridData = sampler.propGrid[prop.gridIndex];
var pos3D = new Vector3(prop.pos.x, 0, prop.pos.y);
var worldPos = terrainImport.transform.TransformPoint(pos3D);
var height = terrain.SampleHeight(worldPos);
var pos = new float3(sampler.propData[i].pos.x / terrainData.size.x, height / terrainData.size.y,
sampler.propData[i].pos.y / terrainData.size.z);
var densityFactor = 1.0f / (propData.maxDensity - propData.minDensity);
var scaleRange = propData.scaleEnd - propData.scaleStart;
var scale = propData.scaleStart + (gridData.density - propData.minDensity) * densityFactor * scaleRange;
scale = scale + Random.Range(0, scale * propData.scaleRandomFraction);
instanceList.Add(new TreeInstance
{
prototypeIndex = protoIndex,
widthScale = scale,
heightScale = scale,
rotation = Random.Range(0, 360),
color = propData.color,
lightmapColor = propData.lightmapColor,
position = pos
});
}
}
terrainData.treeInstances = instanceList.ToArray();
EditorUtility.SetDirty(terrainData);
EditorUtility.SetDirty(terrain);
GameDebug.Log("Prop layers applied [" + (stopwatch.Elapsed - time).Milliseconds + "ms]");
}
