Initial commit

moved from private version control

scripts/nodes/library/graphics/spr.js

@@ -0,0 +1,76 @@
+import { createNodeModule } from "../../nodeTypes.js";
+
+/**
+ * Draws sprites from the sprite sheet.
+ */
+export const sprNode = createNodeModule(
+  {
+    id: "graphics_spr",
+    title: "Draw Sprite",
+    category: "Graphics",
+    description: "Blit one or more sprites at the given screen position.",
+    searchTags: ["spr", "sprite", "draw", "blit"],
+    inputs: [
+      { id: "exec_in", name: "Exec", direction: "input", kind: "exec" },
+      {
+        id: "sprite",
+        name: "Sprite",
+        direction: "input",
+        kind: "number",
+        defaultValue: 0,
+      },
+      {
+        id: "x",
+        name: "X",
+        direction: "input",
+        kind: "number",
+        defaultValue: 0,
+      },
+      {
+        id: "y",
+        name: "Y",
+        direction: "input",
+        kind: "number",
+        defaultValue: 0,
+      },
+      { id: "w", name: "Width", direction: "input", kind: "number" },
+      { id: "h", name: "Height", direction: "input", kind: "number" },
+      { id: "flip_x", name: "Flip X", direction: "input", kind: "boolean" },
+      { id: "flip_y", name: "Flip Y", direction: "input", kind: "boolean" },
+    ],
+    outputs: [
+      { id: "exec_out", name: "Exec", direction: "output", kind: "exec" },
+    ],
+    properties: [],
+  },
+  {
+    emitExec: ({ indent, indentLevel, resolveValueInput, emitNextExec }) => {
+      const OMIT = "__pg_omit__";
+      const sprite = resolveValueInput("sprite", "0");
+      const x = resolveValueInput("x", "0");
+      const y = resolveValueInput("y", "0");
+      const w = resolveValueInput("w", OMIT);
+      const h = resolveValueInput("h", OMIT);
+      const flipX = resolveValueInput("flip_x", OMIT);
+      const flipY = resolveValueInput("flip_y", OMIT);
+
+      const args = [sprite, x, y];
+      const includeSize =
+        w !== OMIT || h !== OMIT || flipX !== OMIT || flipY !== OMIT;
+
+      if (includeSize) {
+        args.push(w === OMIT ? "1" : w, h === OMIT ? "1" : h);
+      }
+
+      if (flipX !== OMIT || flipY !== OMIT) {
+        args.push(
+          flipX === OMIT ? "false" : flipX,
+          flipY === OMIT ? "false" : flipY
+        );
+      }
+
+      const line = `${indent(indentLevel)}spr(${args.join(", ")})`;
+      return [line, ...emitNextExec("exec_out")];
+    },
+  }
+);