/// <summary>
/// Updates all the little components of mouse controller.
/// </summary>
private void Update()
{
IMouseHandler handler = mouseHandlers[(int)currentMode];
Vector3 mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
bool mouseButton0Up = Input.GetMouseButtonUp(0);
bool mouseButton1Up = Input.GetMouseButtonUp(1);
bool mouseButton2Up = Input.GetMouseButtonUp(2);
bool performDragThisFrame = false;
CurrentFramePosition = new Vector3(mousePos.x, mousePos.y, WorldController.Instance.CameraController.CurrentLayer);
// The mode is enabled
if (statusOfModes[(int)currentMode])
{
if ((handler.CallbacksEnabled & MouseHandlerCallbacks.HANDLE_PLACING_POSITION) == MouseHandlerCallbacks.HANDLE_PLACING_POSITION)
{
CurrentPlacingPosition = handler.HandlePlacingPosition(CurrentFramePosition);
}
else
{
CurrentPlacingPosition = CurrentFramePosition;
}
if ((mouseButton0Up || mouseButton1Up) && IsDragging)
{
if (IsPanning == false)
{
uiTooltip = null;
mouseCursor.UIMode = false;
}
IsDragging = false;
Selection = null;
if (mouseButton0Up)
{
// If we are over a UI element then don't perform the drag this frame
// Also only perform the drag if we are actually ending the drag with left click
// else its a cancel drag action
performDragThisFrame = !EventSystem.current.IsPointerOverGameObject();
}
}
else if (IsDragging == false && Input.GetMouseButtonDown(0))
{
IsDragging = true;
dragStartPosition = CurrentPlacingPosition;
}
}
mouseCursor.UpdateCursor(statusOfModes[(int)currentMode]);
// HANDLE DRAG
// Clear all the drag objects
for (int i = 0; i < DragPreviewGameObjects.Count; i++)
{
SimplePool.Despawn(DragPreviewGameObjects[i]);
}
DragPreviewGameObjects.Clear();
if (statusOfModes[(int)currentMode])
{
// If callback for handling drag is enabled then handle the drag
bool dragEnabled = (handler.CallbacksEnabled & MouseHandlerCallbacks.HANDLE_DRAG_FINISHED) == MouseHandlerCallbacks.HANDLE_DRAG_FINISHED;
bool dragVisualEnabled = (handler.CallbacksEnabled & MouseHandlerCallbacks.HANDLE_DRAG_VISUAL) == MouseHandlerCallbacks.HANDLE_DRAG_VISUAL;
if (dragEnabled || dragVisualEnabled)
{
DragParameters dragParams = handler.DisableDragging || (IsDragging == false && performDragThisFrame == false) ? new DragParameters(CurrentPlacingPosition) : new DragParameters(dragStartPosition, CurrentPlacingPosition);
if (dragVisualEnabled)
{
// HANDLE VISUAL
DragPreviewGameObjects = handler.HandleDragVisual(dragParams, mouseCursor.CursorCanvasGameObject.transform);
}
// If we have dragEnabled and we are to perform it on our next frame (which is this frame) perform it
if (dragEnabled && performDragThisFrame)
{
// HANDLE DRAG
handler.HandleDragFinished(dragParams);
}
}
}
UpdateCameraMovement();
if (statusOfModes[(int)currentMode])
{
// Tooltip handling
if ((handler.CallbacksEnabled & MouseHandlerCallbacks.HANDLE_TOOLTIP) == MouseHandlerCallbacks.HANDLE_TOOLTIP)
{
handler.HandleTooltip(CurrentFramePosition, mouseCursor, IsDragging);
}
// Could include drag clicks
// Should handle any 'building' that requires dragging in the HandleDrag callback
if ((handler.CallbacksEnabled & MouseHandlerCallbacks.HANDLE_CLICK) == MouseHandlerCallbacks.HANDLE_CLICK && EventSystem.current.IsPointerOverGameObject() == false)
{
if (mouseButton0Up)
{
handler.HandleClick(CurrentFramePosition, 0);
}
if (mouseButton1Up)
{
handler.HandleClick(CurrentFramePosition, 1);
}
if (mouseButton2Up)
{
handler.HandleClick(CurrentFramePosition, 2);
}
}
}
// Save the mouse position from this frame.
// We don't use currentFramePosition because we may have moved the camera.
mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
lastFramePosition.x = mousePos.x;
lastFramePosition.y = mousePos.y;
lastFramePosition.z = WorldController.Instance.CameraController.CurrentLayer;
}