private void updateTerrainTexture()
{
Terrain terr = Terrain.activeTerrain;
if (terr != null)
{
List <SplatPrototype> prototypes = new List <SplatPrototype>();
NodeManager.OrderValueFun orderFun = (n) => {
if (n.node.value.getNodeType() == NodeType.TextureOutput)
{
return(((TextureOutput)n.node.value).paintOrder);
}
return(0);
};
nodeManager.forEachNodes_Sorted(orderFun, (n) => {
if (n.node.value.getNodeType() == NodeType.TextureOutput)
{
TextureOutput texNode = (TextureOutput)(n.node.value);
if (texNode.Texture != null)
{
texNode.textureIndex = prototypes.Count;
SplatPrototype p = new SplatPrototype();
p.texture = texNode.Texture;
p.normalMap = texNode.Normal;
p.tileSize = new Vector2(texNode.texSizeX, texNode.texSizeY);
prototypes.Add(p);
}
}
});
terr.terrainData.splatPrototypes = prototypes.ToArray();
int w = terr.terrainData.alphamapWidth;
int h = terr.terrainData.alphamapHeight;
float[,] totalAlpha = new float[w, h];
float scaleX = terr.terrainData.heightmapWidth / ((float)w);
float scaleY = terr.terrainData.heightmapHeight / ((float)w);
int layers = terr.terrainData.alphamapLayers;
float[, ,] alphaDatas = new float[w, h, layers];//terr.terrainData.GetAlphamaps(0, 0, w, h);
for (int l = layers - 1; l >= 0; l--)
{
NodeBase tempNode = null;
nodeManager.forEachNodes((n) => {
if (n.node.value.getNodeType() == NodeType.TextureOutput)
{
if (((TextureOutput)n.node.value).paintOrder == l)
{
tempNode = n.node.value;
}
}
});
if (tempNode != null)
{
float[,] values = tempNode.update(nodeManager.seed, nodeManager.baseX, nodeManager.baseY, w, h, scaleX, scaleY);
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
if (totalAlpha[i, j] + values[i, j] <= 1.00001f)
{
alphaDatas[i, j, l] = values[i, j];
totalAlpha[i, j] += values[i, j];
}
else
{
alphaDatas[i, j, l] = 1f - totalAlpha[i, j];
totalAlpha[i, j] = 1f;
}
}
}
}
}
terr.terrainData.SetAlphamaps(0, 0, alphaDatas);
}
}
void OnGUI()
{
GUILayout.Space(10);
GUILayout.BeginHorizontal();
if (GUILayout.Button("New"))
{
DoNew();
}
if (GUILayout.Button("Load"))
{
DoLoad();
}
if (GUILayout.Button("Save"))
{
DoSave();
}
GUILayout.Space(100);
GUILayout.EndHorizontal();
GUILayout.Space(10);
//hillSize = EditorGUILayout.Slider("hillSize", hillSize, 0f, 1f);
//texture = (Texture2D)EditorGUILayout.ObjectField("Texture", texture, typeof(Texture2D), true);
//texture2 = (Texture2D)EditorGUILayout.ObjectField("Texture", texture2, typeof(Texture2D), true);
//tree = (Tree)EditorGUILayout.ObjectField("Tree", tree, typeof(UnityEngine.Tree), true);
//GUILayout.FlexibleSpace();
nodeManager.seed = EditorGUILayout.IntField("seed", nodeManager.seed);
nodeManager.baseX = EditorGUILayout.IntField("offset.x", nodeManager.baseX);
nodeManager.baseY = EditorGUILayout.IntField("offset.y", nodeManager.baseY);
NodeManager.OrderValueFun orderFun = (n) => {
if (n.node.value.getNodeType() == NodeType.HeightOutput)
{
return(0);
}
else if (n.node.value.getNodeType() == NodeType.TextureOutput)
{
return(((TextureOutput)n.node.value).paintOrder + 1000);
}
else if (n.node.value.getNodeType() == NodeType.GrassOutput)
{
return(2000);
}
else if (n.node.value.getNodeType() == NodeType.TreeOutput)
{
return(3000);
}
return(0);
};
nodeManager.forEachNodes_Sorted(orderFun, (n) => n.node.value.OnMainGUI(gui));
GUILayout.Space(10);
GUILayout.BeginHorizontal();
if (GUILayout.Button(" Generate "))
{
DoGenerate();
}
if (GUILayout.Button("Advance>>"))
{
DoAdvance();
}
GUILayout.EndHorizontal();
GUILayout.Space(10);
}
