private void DrawGridMarker()
{
if (_pieceSelected == null)
{
return;
}
bool isNotLayer = (currentEditMode != EditMode.ObjectLayer);
RaycastHit hit;
Ray worldRay = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
LayerMask _mask = isNotLayer ? 1 << LayerMask.NameToLayer("Editor") : 1 << LayerMask.NameToLayer("EditorLevel");
VGlobal vg = VGlobal.GetSetting();
bool isHit = Physics.Raycast(worldRay, out hit, (int)vg.editDis, _mask);
if (isHit && hit.collider.GetComponentInParent <Volume> () == volume)
{
if (hit.normal.y <= 0)
{
return;
}
RaycastHit hitFix = hit;
WorldPos pos = EditTerrain.GetBlockPos(hitFix, isNotLayer);
hitFix.point = new Vector3(pos.x * vg.w, pos.y * vg.h, pos.z * vg.d);
WorldPos gPos = EditTerrain.GetGridPos(hit.point);
gPos.y = isNotLayer ? 0 : (int)vg.h;
float gx = pos.x * vg.w + gPos.x + ((pos.x < 0) ? 1 : -1);
float gy = pos.y * vg.h + gPos.y - vg.hh;
float gz = pos.z * vg.d + gPos.z + ((pos.z < 0) ? 1 : -1);
LevelPiece.PivotType pivot = _pieceSelected.pivot;
if (CheckPlaceable((int)gPos.x, (int)gPos.z, pivot))
{
Handles.color = Color.red;
Handles.RectangleCap(0, new Vector3(gx, gy, gz), Quaternion.Euler(90, 0, 0), 0.5f);
Handles.color = Color.white;
}
Handles.color = Color.white;
Handles.lighting = true;
Handles.RectangleCap(0, hitFix.point - new Vector3(0, vg.hh - gPos.y, 0), Quaternion.Euler(90, 0, 0), vg.hw);
Handles.DrawLine(hit.point, hitFix.point);
volume.useBox = true;
BoxCursorUtils.UpdateBox(volume.box, hitFix.point, Vector3.zero);
SceneView.RepaintAll();
}
else
{
volume.useBox = false;
SceneView.RepaintAll();
}
}
private bool CheckPlaceable(int x, int z, LevelPiece.PivotType pType)
{
if (pType == LevelPiece.PivotType.Grid)
{
return(true);
}
else if (pType == LevelPiece.PivotType.Center && (x * z) == 1)
{
return(true);
}
else if (pType == LevelPiece.PivotType.Vertex && (x + z) % 2 == 0 && x * z != 1)
{
return(true);
}
else if (pType == LevelPiece.PivotType.Edge && (Mathf.Abs(x) + Mathf.Abs(z)) % 2 == 1)
{
return(true);
}
return(false);
}
