// Draw the Pixel Art Editor.
// This includes both toolbar and painting area.
// TODO: Add comments
void OnGUI()
{
if (window == null)
{
Init();
}
if (CurrentImg == null || CurrentImg.map == null)
{
string curImgPath = EditorPrefs.GetString("currentImgPath", "");
if (curImgPath.Length != 0)
{
CurrentImg = UPASession.OpenImageAtPath(curImgPath);
return;
}
if (GUI.Button(new Rect(window.position.width / 2f - 140, window.position.height / 2f - 25, 130, 50), "New Image"))
{
UPAImageCreationWindow.Init();
}
if (GUI.Button(new Rect(window.position.width / 2f + 10, window.position.height / 2f - 25, 130, 50), "Open Image"))
{
CurrentImg = UPASession.OpenImage();
return;
}
return;
}
bool updateRects = false;
if (window.position != lastPos)
{
updateRects = true;
}
lastPos = window.position;
EditorGUI.DrawRect(window.position, new Color32(30, 30, 30, 255));
#region Event handling
Event e = Event.current; //Init event handler
// If key is pressed
if (e.button == 0)
{
// Mouse buttons
if (e.isMouse && e.mousePosition.y > 40)
{
if (tool == UPATool.Eraser)
{
CurrentImg.ColorPixel(Color.clear, e.mousePosition);
}
else if (tool == UPATool.PaintBrush)
{
CurrentImg.ColorPixel(selectedColor, e.mousePosition);
}
else if (tool == UPATool.BoxBrush)
{
Debug.Log("TODO: Add Box Brush tool.");
}
}
// Key down
if (e.type == EventType.keyDown)
{
if (e.keyCode == KeyCode.W)
{
gridOffsetY += 20f;
updateRects = true;
}
if (e.keyCode == KeyCode.S)
{
gridOffsetY -= 20f;
updateRects = true;
}
if (e.keyCode == KeyCode.A)
{
gridOffsetX += 20f;
updateRects = true;
}
if (e.keyCode == KeyCode.D)
{
gridOffsetX -= 20f;
updateRects = true;
}
if (e.keyCode == KeyCode.Alpha1)
{
tool = UPATool.PaintBrush;
}
if (e.keyCode == KeyCode.Alpha2)
{
tool = UPATool.Eraser;
}
if (e.keyCode == KeyCode.UpArrow)
{
gridSpacing *= 1.2f;
}
if (e.keyCode == KeyCode.DownArrow)
{
gridSpacing *= 0.8f;
}
}
if (e.control)
{
if (lastTool == UPATool.Empty)
{
lastTool = tool;
tool = UPATool.Eraser;
}
}
else
{
if (lastTool != UPATool.Empty)
{
tool = lastTool;
lastTool = UPATool.Empty;
}
}
}
// TODO: Better way of doing this?
// Why does it behave so weirdly with my mac tablet.
if (e.type == EventType.scrollWheel)
{
gridSpacing -= e.delta.y;
}
#endregion
EditorGUI.DrawRect(CurrentImg.FillRect(), UPADrawer.gridBGColor);
// DRAW IMAGE
if (UPADrawer.DrawImage(CurrentImg, window.position))
{
updateRects = true;
}
if (UPADrawer.DrawToolbar(window.position))
{
updateRects = true;
}
if (GUI.changed)
{
updateRects = true;
}
if (updateRects)
{
if (CurrentImg != null)
{
CurrentImg.UpdateRects();
}
}
e.Use(); // Release event handler
}
