Initial commit

moved from private version control

scripts/nodes/library/graphics/clip.js

@@ -0,0 +1,63 @@
+import { createNodeModule } from "../../nodeTypes.js";
+
+/**
+ * Adjusts the active clipping rectangle for subsequent draw calls.
+ */
+export const clipNode = createNodeModule(
+  {
+    id: "graphics_clip",
+    title: "Set Clipping Rectangle",
+    category: "Graphics",
+    description:
+      "Set or reset the clipping rectangle that constrains all draw operations.",
+    searchTags: ["clip", "clipping", "graphics", "viewport"],
+    inputs: [
+      { id: "exec_in", name: "Exec", direction: "input", kind: "exec" },
+      { id: "x", name: "X", direction: "input", kind: "number" },
+      { id: "y", name: "Y", direction: "input", kind: "number" },
+      { id: "w", name: "Width", direction: "input", kind: "number" },
+      { id: "h", name: "Height", direction: "input", kind: "number" },
+      {
+        id: "clip_previous",
+        name: "Clip Previous",
+        direction: "input",
+        kind: "boolean",
+        defaultValue: false,
+      },
+    ],
+    outputs: [
+      { id: "exec_out", name: "Exec", direction: "output", kind: "exec" },
+    ],
+    properties: [],
+  },
+  {
+    emitExec: ({ indent, indentLevel, resolveValueInput, emitNextExec }) => {
+      const OMIT = "__pg_omit__";
+      const x = resolveValueInput("x", OMIT);
+      const y = resolveValueInput("y", OMIT);
+      const w = resolveValueInput("w", OMIT);
+      const h = resolveValueInput("h", OMIT);
+      const clipPrevious = resolveValueInput("clip_previous", OMIT);
+
+      let call;
+      if (x === OMIT && y === OMIT && w === OMIT && h === OMIT) {
+        call = "clip()";
+      } else {
+        const args = [
+          x === OMIT ? "0" : x,
+          y === OMIT ? "0" : y,
+          w === OMIT ? "128" : w,
+          h === OMIT ? "128" : h,
+        ];
+        if (clipPrevious !== OMIT) {
+          args.push(clipPrevious);
+        }
+        call = `clip(${args.join(", ")})`;
+      }
+
+      const lines = [`${indent(indentLevel)}${call}`];
+      lines.push(...emitNextExec("exec_out"));
+      return lines;
+    },
+  }
+);