117 lines
2.7 KiB
Haxe
117 lines
2.7 KiB
Haxe
package armory.logicnode;
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import armory.trait.internal.CanvasScript;
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import iron.Scene;
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#if arm_ui
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import zui.Canvas.Anchor;
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#end
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class OnCanvasElementNode extends LogicNode {
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var canvas: CanvasScript;
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var element: String;
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/**
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* The event type this node should react to, can be "click" or "hover".
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*/
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public var property0: String;
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/**
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* If the event type is click, this property states whether to check for
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* "down", "started" or "released" events.
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*/
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public var property1: String;
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/**
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* The mouse button that this node should react to. Only used when listening
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* for mouse clicks.
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*/
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public var property2: String;
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public function new(tree: LogicTree) {
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super(tree);
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tree.notifyOnUpdate(update);
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}
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#if arm_ui
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function update() {
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element = inputs[0].get();
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// Ensure canvas is ready
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if(!Scene.active.ready) return;
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canvas = Scene.active.getTrait(CanvasScript);
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if (canvas == null) canvas = Scene.active.camera.getTrait(CanvasScript);
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if(canvas == null) return;
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if (!canvas.ready) return;
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if(canvas.getElement(element) == null) return;
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if(canvas.getElement(element).visible == false) return;
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var mouse = iron.system.Input.getMouse();
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var isEvent = false;
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if (property0 == "click") {
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switch (property1) {
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case "down":
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isEvent = mouse.down(property2);
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case "started":
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isEvent = mouse.started(property2);
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case "released":
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isEvent = mouse.released(property2);
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}
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}
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// Hovered
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else {
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isEvent = true;
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}
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if (isEvent)
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{
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var canvasElem = canvas.getElement(element);
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var left = canvasElem.x;
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var top = canvasElem.y;
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var right = left + canvasElem.width;
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var bottom = top + canvasElem.height;
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var anchor = canvasElem.anchor;
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var cx = canvas.getCanvas().width;
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var cy = canvas.getCanvas().height;
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var mouseX = mouse.x;
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var mouseY = mouse.y;
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switch(anchor)
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{
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case Top:
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mouseX -= cx/2 - canvasElem.width/2;
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case TopRight:
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mouseX -= cx - canvasElem.width;
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case CenterLeft:
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mouseY -= cy/2 - canvasElem.height/2;
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case Anchor.Center:
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mouseX -= cx/2 - canvasElem.width/2;
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mouseY -= cy/2 - canvasElem.height/2;
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case CenterRight:
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mouseX -= cx - canvasElem.width;
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mouseY -= cy/2 - canvasElem.height/2;
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case BottomLeft:
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mouseY -= cy - canvasElem.height;
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case Bottom:
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mouseX -= cx/2 - canvasElem.width/2;
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mouseY -= cy - canvasElem.height;
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case BottomRight:
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mouseX -= cx - canvasElem.width;
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mouseY -= cy - canvasElem.height;
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}
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if((mouseX >= left) && (mouseX <= right))
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{
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if((mouseY >= top) && (mouseY <= bottom))
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{
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runOutput(0);
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}
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}
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}
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}
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#else
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function update() {}
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#end
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}
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