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Add multiplayer game replay visualizer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| import { useEffect, useRef } from "react"; | ||
| import { useRenderer } from "./Renderer"; | ||
| import { ZombieSurvival, type ZombieSurvivalOptions } from "@/simulator"; | ||
| import { Action } from "@/simulator/Action"; | ||
| import { replay } from "@/simulator/Replay"; | ||
|
|
||
| export function ReplayVisualizer({ | ||
| actions, | ||
| cellSize = 64, | ||
| map, | ||
| playerLabels, | ||
| simulatorOptions, | ||
| }: { | ||
| actions: Action[]; | ||
| cellSize?: number; | ||
| map: string[][]; | ||
| playerLabels: Record<string, string>; | ||
| simulatorOptions?: ZombieSurvivalOptions; | ||
| }) { | ||
| const simulator = useRef( | ||
| new ZombieSurvival( | ||
| replay(new ZombieSurvival(map, simulatorOptions), actions).getState(), | ||
| simulatorOptions, | ||
| ), | ||
| ); | ||
|
|
||
| const cachedActions = useRef(actions); | ||
| const canvas = useRef<HTMLCanvasElement | null>(null); | ||
| const renderer = useRenderer(map, canvas, playerLabels, cellSize); | ||
|
|
||
| useEffect(() => { | ||
| if (renderer !== null) { | ||
| renderer.render(simulator.current.getAllEntities()); | ||
| } | ||
| }, [renderer]); | ||
|
|
||
| useEffect(() => { | ||
| const newActions = actions.slice(cachedActions.current.length); | ||
| simulator.current.resetVisualEvents(); | ||
| replay(simulator.current, newActions); | ||
| cachedActions.current.push(...newActions); | ||
| renderer?.render(simulator.current.getAllEntities()); | ||
| }, [actions]); | ||
|
|
||
| return <canvas ref={canvas} />; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| import { type Action, ActionType } from "./Action"; | ||
| import { type ZombieSurvival } from "./ZombieSurvival"; | ||
|
|
||
| export function replay( | ||
| simulator: ZombieSurvival, | ||
| actions: Action | Action[], | ||
| ): ZombieSurvival { | ||
| const actualActions = Array.isArray(actions) ? actions : [actions]; | ||
|
|
||
| for (const action of actualActions) { | ||
| switch (action.type) { | ||
| case ActionType.PlayerShoot: { | ||
| if (action.position === undefined) { | ||
| throw new Error( | ||
| "Action position is required when player is shooting", | ||
| ); | ||
| } | ||
|
|
||
| const zombie = simulator.getZombieAt(action.position); | ||
|
|
||
| if (zombie === undefined) { | ||
| throw new Error("Unable to get action's zombie at a given position"); | ||
| } | ||
|
|
||
| zombie.hit(); | ||
| break; | ||
| } | ||
| case ActionType.PlayerWalk: { | ||
| if (action.position === undefined) { | ||
| throw new Error("Action position is required when moving a player"); | ||
| } | ||
|
|
||
| const player = simulator.getPlayer(action.token); | ||
|
|
||
| if (player === undefined) { | ||
| throw new Error("Unable to get action's token player"); | ||
| } | ||
|
|
||
| player.moveTo(action.position); | ||
| break; | ||
| } | ||
| case ActionType.ZombieSpawn: { | ||
| if (action.position === undefined) { | ||
| throw new Error("Action position is required when spawning a zombie"); | ||
| } | ||
|
|
||
| simulator.spawnZombieAt(action.position); | ||
| break; | ||
| } | ||
| case ActionType.ZombieStep: { | ||
| simulator.stepZombies(); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return simulator; | ||
| } |
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