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Peter Stockings
257
src/scenes/GameScene.ts
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257
src/scenes/GameScene.ts
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import Phaser from "phaser";
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import {
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type EntityId,
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type Vec2,
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type Action,
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type RunState,
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type World,
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TILE_SIZE
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} from "../game/types";
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import { inBounds, isBlocked, isPlayerOnExit } from "../game/world";
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import { findPathAStar } from "../game/pathfinding";
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import { applyAction, stepUntilPlayerTurn } from "../game/simulation";
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import { makeTestWorld } from "../game/generator";
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import { DungeonRenderer } from "./DungeonRenderer";
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export class GameScene extends Phaser.Scene {
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private world!: World;
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private playerId!: EntityId;
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private levelIndex = 1;
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private runState: RunState = {
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stats: { maxHp: 20, hp: 20, attack: 5, defense: 2 },
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inventory: { gold: 0, items: [] }
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};
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private cursors!: Phaser.Types.Input.Keyboard.CursorKeys;
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private playerPath: Vec2[] = [];
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private awaitingPlayer = false;
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// Sub-systems
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private dungeonRenderer!: DungeonRenderer;
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private isMenuOpen = false;
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constructor() {
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super("GameScene");
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}
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create() {
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this.cursors = this.input.keyboard!.createCursorKeys();
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// Camera
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this.cameras.main.setZoom(2);
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// Initialize Sub-systems
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this.dungeonRenderer = new DungeonRenderer(this);
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// Launch UI Scene
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this.scene.launch("GameUI");
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// Listen for Menu State
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this.events.on("menu-toggled", (isOpen: boolean) => {
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this.isMenuOpen = isOpen;
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});
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// Load initial level
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this.loadLevel(1);
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// Menu Inputs
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this.input.keyboard?.on("keydown-I", () => {
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this.events.emit("toggle-menu");
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// Force update UI in case it opened
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this.emitUIUpdate();
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});
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this.input.keyboard?.on("keydown-ESC", () => {
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this.events.emit("close-menu");
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});
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// Mouse click -> compute path (only during player turn, and not while menu is open)
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this.input.on("pointerdown", (p: Phaser.Input.Pointer) => {
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if (!this.awaitingPlayer) return;
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if (this.isMenuOpen) return;
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const tx = Math.floor(p.worldX / TILE_SIZE);
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const ty = Math.floor(p.worldY / TILE_SIZE);
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if (!inBounds(this.world, tx, ty)) return;
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// Exploration rule: cannot click-to-move into unseen tiles
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if (!this.dungeonRenderer.isSeen(tx, ty)) return;
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// Check if clicking on an enemy
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const isEnemy = [...this.world.actors.values()].some(a => a.pos.x === tx && a.pos.y === ty && !a.isPlayer);
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const player = this.world.actors.get(this.playerId)!;
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const path = findPathAStar(
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this.world,
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this.dungeonRenderer.seenArray,
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{ ...player.pos },
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{ x: tx, y: ty },
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{ ignoreBlockedTarget: isEnemy }
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);
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if (path.length >= 2) this.playerPath = path;
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this.dungeonRenderer.render(this.playerPath);
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});
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}
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update() {
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if (!this.awaitingPlayer) return;
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if (this.isMenuOpen) return;
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// Auto-walk one step per turn
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if (this.playerPath.length >= 2) {
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const player = this.world.actors.get(this.playerId)!;
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const next = this.playerPath[1];
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const dx = next.x - player.pos.x;
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const dy = next.y - player.pos.y;
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if (Math.abs(dx) + Math.abs(dy) !== 1) {
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this.playerPath = [];
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return;
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}
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if (isBlocked(this.world, next.x, next.y)) {
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// Check if it's an enemy at 'next'
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const targetId = [...this.world.actors.values()].find(
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a => a.pos.x === next.x && a.pos.y === next.y && !a.isPlayer
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)?.id;
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if (targetId !== undefined) {
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this.commitPlayerAction({ type: "attack", targetId });
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this.playerPath = []; // Stop after attack
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return;
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} else {
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// Blocked by something else (friendly?)
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this.playerPath = [];
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return;
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}
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}
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this.commitPlayerAction({ type: "move", dx, dy });
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this.playerPath.shift();
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return;
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}
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// Arrow keys
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let action: Action | null = null;
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let dx = 0;
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let dy = 0;
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if (Phaser.Input.Keyboard.JustDown(this.cursors.left!)) dx = -1;
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else if (Phaser.Input.Keyboard.JustDown(this.cursors.right!)) dx = 1;
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else if (Phaser.Input.Keyboard.JustDown(this.cursors.up!)) dy = -1;
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else if (Phaser.Input.Keyboard.JustDown(this.cursors.down!)) dy = 1;
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if (dx !== 0 || dy !== 0) {
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console.log("Input: ", dx, dy);
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const player = this.world.actors.get(this.playerId)!;
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const targetX = player.pos.x + dx;
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const targetY = player.pos.y + dy;
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console.log("Target: ", targetX, targetY);
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// Check for enemy at target position
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const targetId = [...this.world.actors.values()].find(
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a => a.pos.x === targetX && a.pos.y === targetY && !a.isPlayer
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)?.id;
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console.log("Found Target ID:", targetId);
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if (targetId !== undefined) {
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action = { type: "attack", targetId };
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} else {
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action = { type: "move", dx, dy };
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}
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}
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if (action) {
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this.playerPath = [];
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this.commitPlayerAction(action);
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}
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}
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private emitUIUpdate() {
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this.events.emit("update-ui", {
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world: this.world,
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playerId: this.playerId,
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levelIndex: this.levelIndex
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});
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}
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private commitPlayerAction(action: Action) {
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this.awaitingPlayer = false;
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const playerEvents = applyAction(this.world, this.playerId, action);
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const enemyStep = stepUntilPlayerTurn(this.world, this.playerId);
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this.awaitingPlayer = enemyStep.awaitingPlayerId === this.playerId;
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// Process events for visual fx
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const allEvents = [...playerEvents, ...enemyStep.events];
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if (allEvents.length > 0) console.log("Events:", allEvents);
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for (const ev of allEvents) {
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if (ev.type === "damaged") {
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console.log("Showing damage:", ev.amount, "at", ev.x, ev.y);
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this.dungeonRenderer.showDamage(ev.x, ev.y, ev.amount);
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}
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}
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// Level transition
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if (isPlayerOnExit(this.world, this.playerId)) {
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this.syncRunStateFromPlayer();
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this.loadLevel(this.levelIndex + 1);
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return;
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}
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this.dungeonRenderer.computeFov(this.playerId);
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this.centerCameraOnPlayer();
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this.dungeonRenderer.render(this.playerPath);
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this.emitUIUpdate();
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}
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private loadLevel(level: number) {
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this.levelIndex = level;
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const { world, playerId } = makeTestWorld(level, this.runState);
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this.world = world;
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this.playerId = playerId;
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// Reset transient state
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this.playerPath = [];
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this.awaitingPlayer = false;
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// Camera bounds for this level
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this.cameras.main.setBounds(0, 0, this.world.width * TILE_SIZE, this.world.height * TILE_SIZE);
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// Initialize Renderer for new level
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this.dungeonRenderer.initializeLevel(this.world);
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// Step until player turn
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const enemyStep = stepUntilPlayerTurn(this.world, this.playerId);
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this.awaitingPlayer = enemyStep.awaitingPlayerId === this.playerId;
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this.dungeonRenderer.computeFov(this.playerId);
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this.centerCameraOnPlayer();
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this.dungeonRenderer.render(this.playerPath);
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this.emitUIUpdate();
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}
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private syncRunStateFromPlayer() {
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const p = this.world.actors.get(this.playerId);
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if (!p?.stats || !p.inventory) return;
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this.runState = {
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stats: { ...p.stats },
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inventory: { gold: p.inventory.gold, items: [...p.inventory.items] }
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};
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}
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private centerCameraOnPlayer() {
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const player = this.world.actors.get(this.playerId)!;
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this.cameras.main.centerOn(
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player.pos.x * TILE_SIZE + TILE_SIZE / 2,
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player.pos.y * TILE_SIZE + TILE_SIZE / 2
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);
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}
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}
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