void OnSceneGUI()
{
if (!target)
target = (TerrainTransparency)base.target;
// if auto-update is enabled, and used-event (e.g. mouse down/move/up, while painting) occurred with our target-terrain selected
if (target.autoUpdateTransparencyMap && Event.current.rawType == EventType.used && Event.current.button == 0 && Selection.transforms.Any(a=>a.gameObject == target.gameObject)) //Selection.activeTransform.gameObject == target.gameObject)
targetLastMouseChangeTimes[target] = Time.realtimeSinceStartup;
}
void OnSceneGUI()
{
if (!target)
{
target = (TerrainTransparency)base.target;
}
// if auto-update is enabled, and used-event (e.g. mouse down/move/up, while painting) occurred with our target-terrain selected
if (target.autoUpdateTransparencyMap && Event.current.rawType == EventType.used && Event.current.button == 0 && Selection.transforms.Any(a => a.gameObject == target.gameObject)) //Selection.activeTransform.gameObject == target.gameObject)
{
targetLastMouseChangeTimes[target] = Time.realtimeSinceStartup;
}
}
float GetOpacityAt(Vector3 position, TerrainData terrainData, TerrainTransparency terrainTransparencySettings)
{
var currentLocationOnTerrainAlphaMap = new Vector2((terrainData.alphamapResolution / terrainData.size.x) * position.x, (terrainData.alphamapResolution / terrainData.size.z) * position.z);
var aPos = (int)currentLocationOnTerrainAlphaMap.y; // for some reason we need to flip them
var bPos = (int)currentLocationOnTerrainAlphaMap.x;
if (aPos >= 0 && aPos < terrainData.alphamapResolution && bPos >= 0 && bPos < terrainData.alphamapResolution) // if in-bounds
{
float opacity = terrainTransparencySettings.opacityMap.GetPixel(bPos, aPos).a; //terrainAlphamaps[aPos, bPos, slotIndex];
float finalOpacity = opacity > terrainTransparencySettings.alphaCutoff ? 1 : 0;
return(finalOpacity);
}
return(1); // if no texture detected underneath, assume we're on solid/opaque terrain
}
public override void OnInspectorGUI()
{
if (!target)
target = (TerrainTransparency)base.target;
bool changeMade = DrawDefaultInspector();
if (GUILayout.Button("Update Transparency Map"))
{
target.UpdateTransparencyMap();
target.ApplyTransparencyMap();
}
// if auto-update is enabled, and just-drawn inspector made changes or an undo/redo has occurred
if (target.autoUpdateTransparencyMap && (changeMade || (new[] {EventType.ValidateCommand, EventType.Used}.Contains(Event.current.type) && Event.current.commandName == "UndoRedoPerformed")))
target.UpdateTransparencyMap();
}
float GetOpacityAt(Vector3 position, TerrainData terrainData, TerrainTransparency terrainTransparencySettings)
{
var currentLocationOnTerrainAlphaMap = new Vector2((terrainData.alphamapResolution / terrainData.size.x) * position.x, (terrainData.alphamapResolution / terrainData.size.z) * position.z);
var aPos = (int)currentLocationOnTerrainAlphaMap.y; // for some reason we need to flip them
var bPos = (int)currentLocationOnTerrainAlphaMap.x;
if (aPos >= 0 && aPos < terrainData.alphamapResolution && bPos >= 0 && bPos < terrainData.alphamapResolution) // if in-bounds
{
float transparency = terrainTransparencySettings.transparencyMap.GetPixel(bPos, aPos).a; //terrainAlphamaps[aPos, bPos, slotIndex];
float opacity = 1.0f - transparency;
float finalOpacity = opacity > terrainTransparencySettings.alphaCutoff ? 1 : 0;
return finalOpacity;
}
return 1; // if no texture detected underneath, assume we're on solid/opaque terrain
}
public override void OnInspectorGUI()
{
if (!target)
{
target = (TerrainTransparency)base.target;
}
bool changeMade = DrawDefaultInspector();
if (GUILayout.Button("Update Transparency Map"))
{
target.UpdateTransparencyMap();
target.ApplyTransparencyMap();
}
// if auto-update is enabled, and just-drawn inspector made changes or an undo/redo has occurred
if (target.autoUpdateTransparencyMap && (changeMade || (new[] { EventType.ValidateCommand, EventType.Used }.Contains(Event.current.type) && Event.current.commandName == "UndoRedoPerformed")))
{
target.UpdateTransparencyMap();
}
}
