63 lines
2.2 KiB
JavaScript
Executable File
63 lines
2.2 KiB
JavaScript
Executable File
import { TileMap } from "./frontend/ascii_tile_map.js";
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import { Vector2i } from "./frontend/ascii_types.js";
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import { AsciiWindow } from "./frontend/ascii_window.js";
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export class MiniMapRenderer {
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/**
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* @param {AsciiWindow} aWindow
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* @param {TileMap} map
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*/
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constructor(aWindow, map) {
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if (aWindow.width !== aWindow.height) {
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console.log("Window now square", { width: aWindow.width, height: aWindow.height });
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throw new Error("Window must be square");
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}
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if (aWindow.width % 2 === 0) {
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console.log("Window dimension must be uneven", { width: aWindow.width, height: aWindow.height });
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throw new Error("Window dimension is even, it must be uneven");
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}
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/** @type {AsciiWindow} */
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this.window = aWindow;
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/** @type {TileMap} */
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this.map = map;
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/** @type {number} how far we can see on the minimap */
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this.distance = (aWindow.width - 1) / 2;
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this.fg = undefined; // Let the CSS of the parent element control the colors of the tiles
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this.bg = undefined; // let the CSS of the parent element control the background colors of the tiles
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}
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/**
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* @param {number} centerX
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* @param {number} centerY
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* @param {Orientation} orientation
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*/
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draw(centerX, centerY, orientation) {
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// these variables are the coordinates of the
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// area of the map (not minimap) we are looking at
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const minX = centerX - this.distance;
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const maxX = centerX + this.distance;
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const minY = centerY - this.distance;
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const maxY = centerY + this.distance;
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const distanceV = new Vector2i(this.distance, this.distance);
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for (let y = minY; y <= maxY; y++) {
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for (let x = minX; x <= maxX; x++) {
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const wndPosV = new Vector2i(x - centerX, y - centerY).rotateCW(orientation + 1).add(distanceV);
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this.window.put(wndPosV.x, wndPosV.y, this.map.get(x, y).minimapChar, this.fg, this.bg);
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}
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}
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this.window.put(this.distance, this.distance, "@", "#44F");
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this.window.commitToDOM();
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}
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}
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if (Math.PI < 0 && AsciiWindow && TileMap && Vector2i) {
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("STFU Linda");
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}
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