t3du - New Image nodes: Draw Sub Image and Write Image

leenkx/Sources/leenkx/logicnode/DrawSubImageNode.hx

@@ -0,0 +1,59 @@
+package leenkx.logicnode;
+
+import iron.math.Vec4;
+import kha.Image;
+import kha.Color;
+import leenkx.renderpath.RenderToTexture;
+
+class DrawSubImageNode extends LogicNode {
+    var img: Image;
+    var lastImgName = "";
+
+    public function new(tree: LogicTree) {
+        super(tree);
+    }
+
+    override function run(from: Int) {
+        RenderToTexture.ensure2DContext("DrawImageNode");
+
+        final imgName: String = inputs[1].get();
+        final colorVec: Vec4 = inputs[2].get();
+        final anchorH: Int = inputs[3].get();
+        final anchorV: Int = inputs[4].get();
+        final x: Float = inputs[5].get();
+        final y: Float = inputs[6].get();
+        final width: Float = inputs[7].get();
+        final height: Float = inputs[8].get();
+        final sx: Float = inputs[9].get();
+        final sy: Float = inputs[10].get();
+        final swidth: Float = inputs[11].get();
+        final sheight: Float = inputs[12].get();
+        final angle: Float = inputs[13].get();
+
+        final drawx = x - 0.5 * width * anchorH;
+        final drawy = y - 0.5 * height * anchorV;
+        final sdrawx = sx - 0.5 * swidth * anchorH;
+        final sdrawy = sy - 0.5 * sheight * anchorV;
+
+        RenderToTexture.g.rotate(angle, x, y);
+
+        if (imgName != lastImgName) {
+            // Load new image
+            lastImgName = imgName;
+            iron.data.Data.getImage(imgName, (image: Image) -> {
+                img = image;
+            });
+        }
+
+        if (img == null) {
+            runOutput(0);
+            return;
+        }
+
+        RenderToTexture.g.color = Color.fromFloats(colorVec.x, colorVec.y, colorVec.z, colorVec.w);
+        RenderToTexture.g.drawScaledSubImage(img, sdrawx, sdrawy, swidth, sheight, drawx, drawy, width, height);
+        RenderToTexture.g.rotate(-angle, x, y);
+
+        runOutput(0);
+    }
+}