// Currently shiftAmount needs to be 1 or -1
// Larger / smaller values won't work properly
public void ShiftLayer(TexPaintLayer layer, int shiftAmount)
{
if (layer.locked)
{
return;
}
int oldIndex = layer.transform.GetSiblingIndex();
int newIndex = oldIndex + shiftAmount;
if (newIndex >= 0 && newIndex < layersList.transform.childCount)
{
TexPaintLayer otherLayer = layersList.transform.GetChild(newIndex).GetComponent <TexPaintLayer>();
if (otherLayer.locked)
{
return;
}
// Move the layer
layer.transform.SetSiblingIndex(newIndex);
// Update terrain material
SetPaintTexture(newIndex, layer.assignedTexture.texture2D);
SetPaintMask(newIndex, layer.mask);
SetPaintTexture(oldIndex, otherLayer.assignedTexture.texture2D);
SetPaintMask(oldIndex, otherLayer.mask);
}
}
public void AddLayer(string name, bool locked = false)
{
if (GetNumberOfLayers() >= 32)
{
return;
}
TexPaintLayer layer = Instantiate(layerPrefab, layersList.transform);
layer.managerInstance = this;
layer.locked = locked;
layer.mask = new Texture2D(128, 128);
layer.mask.SetPixels(new Color[128 * 128]);
layer.SetTexture(activeTexture);
layer.SetName(name);
layer.Select();
RefreshTerrainShader();
int index = layer.transform.GetSiblingIndex();
SetPaintTexture(index, layer.assignedTexture.texture2D);
SetPaintMask(index, layer.mask);
}
