30 lines
863 B
TypeScript
30 lines
863 B
TypeScript
import type { World, EntityId } from "../../core/types";
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export function inBounds(w: World, x: number, y: number): boolean {
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return x >= 0 && y >= 0 && x < w.width && y < w.height;
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}
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export function idx(w: World, x: number, y: number): number {
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return y * w.width + x;
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}
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export function isWall(w: World, x: number, y: number): boolean {
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return w.tiles[idx(w, x, y)] === 1;
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}
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export function isBlocked(w: World, x: number, y: number): boolean {
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if (!inBounds(w, x, y)) return true;
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if (isWall(w, x, y)) return true;
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for (const a of w.actors.values()) {
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if (a.pos.x === x && a.pos.y === y) return true;
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}
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return false;
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}
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export function isPlayerOnExit(w: World, playerId: EntityId): boolean {
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const p = w.actors.get(playerId);
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if (!p) return false;
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return p.pos.x === w.exit.x && p.pos.y === w.exit.y;
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}
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