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https://github.com/litruv/picoGraph.git
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Initial commit
moved from private version control
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20
scripts/nodes/library/map/index.js
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20
scripts/nodes/library/map/index.js
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@@ -0,0 +1,20 @@
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import { mapMgetNode } from "./mget.js";
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import { mapMsetNode } from "./mset.js";
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import { mapDrawNode } from "./map.js";
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import { mapTlineNode } from "./tline.js";
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/**
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* All map-related node modules backed by PICO-8 helpers.
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*/
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export const mapNodes = [mapMgetNode, mapMsetNode, mapDrawNode, mapTlineNode];
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/**
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* Checklist tracking coverage of documented map helpers.
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* @type {Array<{ function: string, nodeId: string, implemented: boolean }>}
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*/
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export const mapFunctionChecklist = [
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{ function: "MGET", nodeId: "map_mget", implemented: true },
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{ function: "MSET", nodeId: "map_mset", implemented: true },
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{ function: "MAP", nodeId: "map_map", implemented: true },
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{ function: "TLINE", nodeId: "map_tline", implemented: true },
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];
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108
scripts/nodes/library/map/map.js
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108
scripts/nodes/library/map/map.js
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import { createNodeModule } from "../../nodeTypes.js";
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/**
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* Draws map tiles using PICO-8's map helper.
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*/
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export const mapDrawNode = createNodeModule(
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{
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id: "map_map",
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title: "Draw Map",
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category: "Map",
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description:
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"Render a section of the map to the screen with optional layers.",
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searchTags: ["map", "draw", "tiles", "layer"],
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inputs: [
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{ id: "exec_in", name: "Exec", direction: "input", kind: "exec" },
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{
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id: "tile_x",
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name: "Tile X",
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direction: "input",
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kind: "number",
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description: "Starting tile X coordinate",
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},
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{
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id: "tile_y",
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name: "Tile Y",
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direction: "input",
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kind: "number",
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description: "Starting tile Y coordinate",
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},
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{
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id: "screen_x",
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name: "Screen X",
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direction: "input",
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kind: "number",
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description: "Screen X position in pixels",
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},
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{
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id: "screen_y",
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name: "Screen Y",
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direction: "input",
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kind: "number",
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description: "Screen Y position in pixels",
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},
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{
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id: "tile_w",
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name: "Tile Width",
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direction: "input",
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kind: "number",
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description: "Number of tiles across",
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},
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{
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id: "tile_h",
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name: "Tile Height",
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direction: "input",
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kind: "number",
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description: "Number of tiles down",
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},
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{
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id: "layers",
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name: "Layers",
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direction: "input",
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kind: "number",
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description: "Sprite flag bitmask",
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},
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],
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outputs: [
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{ id: "exec_out", name: "Exec", direction: "output", kind: "exec" },
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],
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properties: [],
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},
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{
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emitExec: ({ indent, indentLevel, resolveValueInput, emitNextExec }) => {
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const OMIT = "__pg_omit__";
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const tileX = resolveValueInput("tile_x", OMIT);
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const tileY = resolveValueInput("tile_y", OMIT);
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const screenX = resolveValueInput("screen_x", OMIT);
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const screenY = resolveValueInput("screen_y", OMIT);
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const tileW = resolveValueInput("tile_w", OMIT);
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const tileH = resolveValueInput("tile_h", OMIT);
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const layers = resolveValueInput("layers", OMIT);
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const values = [
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{ value: tileX, placeholder: "0" },
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{ value: tileY, placeholder: "0" },
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{ value: screenX, placeholder: "0" },
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{ value: screenY, placeholder: "0" },
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{ value: tileW, placeholder: "nil" },
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{ value: tileH, placeholder: "nil" },
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{ value: layers, placeholder: "nil" },
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];
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let lastIndex = values.length - 1;
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while (lastIndex >= 0 && values[lastIndex].value === OMIT) {
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lastIndex -= 1;
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}
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const args = [];
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for (let index = 0; index <= lastIndex; index += 1) {
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const entry = values[index];
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args.push(entry.value === OMIT ? entry.placeholder : entry.value);
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}
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const call = args.length ? `map(${args.join(", ")})` : "map()";
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const line = `${indent(indentLevel)}${call}`;
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return [line, ...emitNextExec("exec_out")];
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},
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}
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);
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41
scripts/nodes/library/map/mget.js
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41
scripts/nodes/library/map/mget.js
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@@ -0,0 +1,41 @@
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import { createNodeModule } from "../../nodeTypes.js";
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/**
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* Reads a map tile value using PICO-8's mget helper.
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*/
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export const mapMgetNode = createNodeModule(
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{
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id: "map_mget",
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title: "Get Map Tile",
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category: "Map",
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description: "Fetch the numeric map value at a tile coordinate.",
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searchTags: ["mget", "map", "tile", "read"],
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inputs: [
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{
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id: "x",
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name: "Tile X",
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direction: "input",
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kind: "number",
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defaultValue: 0,
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},
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{
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id: "y",
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name: "Tile Y",
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direction: "input",
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kind: "number",
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defaultValue: 0,
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},
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],
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outputs: [
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{ id: "value", name: "Value", direction: "output", kind: "number" },
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],
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properties: [],
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},
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{
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evaluateValue: ({ resolveValueInput }) => {
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const x = resolveValueInput("x", "0");
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const y = resolveValueInput("y", "0");
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return `mget(${x}, ${y})`;
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},
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}
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);
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51
scripts/nodes/library/map/mset.js
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51
scripts/nodes/library/map/mset.js
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@@ -0,0 +1,51 @@
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import { createNodeModule } from "../../nodeTypes.js";
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/**
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* Writes a map tile value using PICO-8's mset helper.
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*/
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export const mapMsetNode = createNodeModule(
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{
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id: "map_mset",
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title: "Set Map Tile",
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category: "Map",
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description: "Store a numeric value at a tile coordinate.",
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searchTags: ["mset", "map", "tile", "write"],
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inputs: [
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{ id: "exec_in", name: "Exec", direction: "input", kind: "exec" },
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{
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id: "x",
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name: "Tile X",
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direction: "input",
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kind: "number",
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defaultValue: 0,
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},
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{
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id: "y",
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name: "Tile Y",
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direction: "input",
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kind: "number",
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defaultValue: 0,
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},
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{
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id: "value",
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name: "Value",
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direction: "input",
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kind: "number",
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defaultValue: 0,
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},
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],
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outputs: [
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{ id: "exec_out", name: "Exec", direction: "output", kind: "exec" },
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],
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properties: [],
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},
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{
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emitExec: ({ indent, indentLevel, resolveValueInput, emitNextExec }) => {
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const x = resolveValueInput("x", "0");
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const y = resolveValueInput("y", "0");
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const value = resolveValueInput("value", "0");
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const line = `${indent(indentLevel)}mset(${x}, ${y}, ${value})`;
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return [line, ...emitNextExec("exec_out")];
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},
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}
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);
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157
scripts/nodes/library/map/tline.js
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157
scripts/nodes/library/map/tline.js
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@@ -0,0 +1,157 @@
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import { createNodeModule } from "../../nodeTypes.js";
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/**
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* Draws textured lines or configures precision using PICO-8's tline helper.
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*/
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export const mapTlineNode = createNodeModule(
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{
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id: "map_tline",
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title: "Draw Textured Line",
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category: "Map",
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description:
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"Render a textured line from map data or adjust tline precision.",
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searchTags: ["tline", "map", "texture", "line"],
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inputs: [
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{ id: "exec_in", name: "Exec", direction: "input", kind: "exec" },
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{
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id: "x0",
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name: "X0",
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direction: "input",
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kind: "number",
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description: "Line start X",
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},
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{
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id: "y0",
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name: "Y0",
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direction: "input",
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kind: "number",
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description: "Line start Y",
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},
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{
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id: "x1",
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name: "X1",
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direction: "input",
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kind: "number",
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description: "Line end X",
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},
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{
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id: "y1",
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name: "Y1",
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direction: "input",
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kind: "number",
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description: "Line end Y",
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},
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{
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id: "mx",
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name: "Map X",
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direction: "input",
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kind: "number",
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description: "Map sample X (tiles)",
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},
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{
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id: "my",
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name: "Map Y",
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direction: "input",
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kind: "number",
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description: "Map sample Y (tiles)",
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},
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{
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id: "mdx",
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name: "MDX",
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direction: "input",
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kind: "number",
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description: "Map X delta",
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},
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{
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id: "mdy",
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name: "MDY",
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direction: "input",
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kind: "number",
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description: "Map Y delta",
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},
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{
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id: "layers",
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name: "Layers",
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direction: "input",
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kind: "number",
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description: "Sprite flag bitmask",
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},
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{
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id: "precision",
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name: "Precision",
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direction: "input",
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kind: "number",
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description: "Precision override when setting mode",
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},
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],
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outputs: [
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{ id: "exec_out", name: "Exec", direction: "output", kind: "exec" },
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],
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properties: [
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{
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key: "mode",
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label: "Mode",
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type: "enum",
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defaultValue: "draw",
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options: [
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{ label: "Draw Line", value: "draw" },
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{ label: "Set Precision", value: "precision" },
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],
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},
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],
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},
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{
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emitExec: ({
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node,
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indent,
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indentLevel,
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resolveValueInput,
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emitNextExec,
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}) => {
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const mode = String(node.properties.mode ?? "draw");
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if (mode === "precision") {
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const precision = resolveValueInput("precision", "16");
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const line = `${indent(indentLevel)}tline(${precision})`;
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return [line, ...emitNextExec("exec_out")];
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}
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const OMIT = "__pg_omit__";
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const x0 = resolveValueInput("x0", OMIT);
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const y0 = resolveValueInput("y0", OMIT);
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const x1 = resolveValueInput("x1", OMIT);
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const y1 = resolveValueInput("y1", OMIT);
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const mx = resolveValueInput("mx", OMIT);
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const my = resolveValueInput("my", OMIT);
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const mdx = resolveValueInput("mdx", OMIT);
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const mdy = resolveValueInput("mdy", OMIT);
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const layers = resolveValueInput("layers", OMIT);
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const values = [
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{ value: x0, placeholder: "0" },
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{ value: y0, placeholder: "0" },
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{ value: x1, placeholder: "0" },
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{ value: y1, placeholder: "0" },
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{ value: mx, placeholder: "0" },
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{ value: my, placeholder: "0" },
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{ value: mdx, placeholder: "0.125" },
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{ value: mdy, placeholder: "0" },
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{ value: layers, placeholder: "nil" },
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];
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let lastIndex = values.length - 1;
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while (lastIndex >= 0 && values[lastIndex].value === OMIT) {
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lastIndex -= 1;
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}
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const args = [];
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for (let index = 0; index <= lastIndex; index += 1) {
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const entry = values[index];
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args.push(entry.value === OMIT ? entry.placeholder : entry.value);
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}
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const call = args.length ? `tline(${args.join(", ")})` : "tline()";
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const line = `${indent(indentLevel)}${call}`;
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return [line, ...emitNextExec("exec_out")];
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},
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}
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);
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