private void OnSceneGUI()
{
HandleUtility.nearestControl = GUIUtility.GetControlID(FocusType.Passive);
Ray ray = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
RaycastHit raycastHit;
if (world.transform.hasChanged == true)
{
world.transform.localScale = new Vector3(world.transform.localScale.x, world.transform.localScale.x, world.transform.localScale.x);
world.transform.localRotation = Quaternion.identity;
world.Generate();
world.transform.hasChanged = false;
}
if (Event.current.type == EventType.MouseDown)
{
if (Event.current.button == 0)
{
leftButtonDown = true;
}
else if (Event.current.button == 1)
{
rightButtonDown = true;
}
else if (Event.current.button == 2)
{
middleButtonDown = true;
}
}
else if (Event.current.type == EventType.MouseUp)
{
if (Event.current.button == 0)
{
leftButtonDown = false;
}
else if (Event.current.button == 1)
{
rightButtonDown = false;
}
else if (Event.current.button == 2)
{
middleButtonDown = false;
}
}
if (world.editMode == true)
{
if ((Event.current.shift == false || world.terrainMode == World.TerrainMode.Line))
{
// Brushes
if (Physics.Raycast(ray, out raycastHit, 1000, LayerMask.GetMask("Chunk")))
{
if (raycastHit.transform.GetComponent <Chunk>() != null)
{
World world = raycastHit.transform.parent.GetComponent <World>();
if (world.terrainMode == World.TerrainMode.Modify)
{
Handles.color = Color.white;
if (world.alwaysFaceUpwards == true)
{
Handles.DrawWireDisc(raycastHit.point, Vector3.up, world.range);
}
else
{
Handles.DrawWireDisc(raycastHit.point, raycastHit.normal, world.range);
}
if ((leftButtonDown == true || rightButtonDown == true) && (Event.current.type == EventType.MouseDown || Event.current.type == EventType.MouseDrag))
{
bool raise = true;
if (rightButtonDown == true)
{
raise = false;
}
if (world.alwaysFaceUpwards == true)
{
TerrainEditor.ModifyTerrain(world, raycastHit.point, Vector3.up, raise);
}
else
{
TerrainEditor.ModifyTerrain(world, raycastHit.point, raycastHit.normal, raise);
}
}
}
else if (world.terrainMode == World.TerrainMode.Set)
{
Handles.color = Color.white;
Handles.DrawWireDisc(raycastHit.point, Vector3.up, world.range);
if (leftButtonDown == true && (Event.current.type == EventType.MouseDown || Event.current.type == EventType.MouseDrag))
{
TerrainEditor.SetTerrain(world, raycastHit.point);
}
else if (middleButtonDown == true)
{
world.targetHeight = (raycastHit.point.y - raycastHit.transform.position.y) / world.transform.lossyScale.x + 0.5f;
}
}
else if (world.terrainMode == World.TerrainMode.Line)
{
if (world.startPosition != new Vector3(float.MaxValue, float.MaxValue, float.MaxValue) && world.endPosition != new Vector3(float.MaxValue, float.MaxValue, float.MaxValue))
{
Vector3 forward = world.startPosition - world.endPosition;
Vector3 left = new Vector3(-forward.z, 0, forward.x).normalized;
Handles.zTest = UnityEngine.Rendering.CompareFunction.Less;
Handles.color = world.settings.FindProperty("linePreviewColour").colorValue;
Handles.DrawLine(world.startPosition - left * world.range, world.endPosition - left * world.range / 2);
Handles.DrawLine(world.startPosition + left * world.range, world.endPosition + left * world.range / 2);
Handles.zTest = UnityEngine.Rendering.CompareFunction.Disabled;
}
if (Event.current.shift == false)
{
if (leftButtonDown == true)
{
world.startPosition = raycastHit.point;
}
else if (rightButtonDown == true)
{
world.endPosition = raycastHit.point;
}
}
}
else if (world.terrainMode == World.TerrainMode.Smooth)
{
Handles.color = Color.white;
Handles.DrawWireDisc(raycastHit.point, (ray.origin - raycastHit.point).normalized, world.range);
if (leftButtonDown == true)
{
TerrainEditor.SmoothTerrain(world, raycastHit.point, (ray.origin - raycastHit.point).normalized);
}
}
else if (world.terrainMode == World.TerrainMode.Paint)
{
Handles.color = Color.white;
Handles.DrawWireDisc(raycastHit.point, raycastHit.normal, world.range);
if (leftButtonDown == true && (Event.current.type == EventType.MouseDown || Event.current.type == EventType.MouseDrag))
{
TerrainEditor.PaintTerrain(world, raycastHit.point);
}
else if (middleButtonDown == true)
{
if (Event.current.control == true)
{
world.colourMask = raycastHit.transform.GetComponent <MeshFilter>().sharedMesh.colors[raycastHit.transform.GetComponent <MeshFilter>().sharedMesh.triangles[raycastHit.triangleIndex * 3]];
}
else
{
world.colour = raycastHit.transform.GetComponent <MeshFilter>().sharedMesh.colors[raycastHit.transform.GetComponent <MeshFilter>().sharedMesh.triangles[raycastHit.triangleIndex * 3]];
}
}
}
}
}
}
}
SceneView.currentDrawingSceneView.Repaint();
}
