init

packages/playground/src/runner/index.ts

@@ -0,0 +1,100 @@
+/// <reference lib="webworker" />
+import PF from 'pathfinding';
+import { State, calculatePrice } from '@shipped/engine';
+import { transpileModule, ModuleKind } from 'typescript';
+
+const dependencies = {
+  pathfinding: PF,
+  '@shipped/engine': {
+    calculatePrice,
+  },
+};
+
+declare const self: DedicatedWorkerGlobalScope;
+let state: State;
+
+const setup = (payload: any) => {
+  if (state) {
+    state.removeAllListeners();
+  }
+  state = new State(payload);
+  state.on('update', () => {
+    self.postMessage(JSON.stringify({ type: 'update', payload: {
+      delta: state.getState(),
+    }}));
+  }); 
+  self.postMessage(JSON.stringify({ type: 'sync', payload: {
+    state: state.getState(),
+    world: state.getWorld(),
+  }}));
+  self.postMessage(JSON.stringify({ type: 'setup' }));
+};
+
+let captainId = 0;
+
+self.onmessage = (event) => {
+  const { type, payload } = JSON.parse(event.data)
+
+  switch (type) {
+    case 'setup': {
+      setup(payload);
+      const update = () => {
+        state.update();
+        setTimeout(update, 100);
+      }
+      update();
+      break;
+    }
+    case 'run': {
+      const { outputText: script } = transpileModule(payload.script, {
+        compilerOptions: {
+          module: ModuleKind.CommonJS,
+          esModuleInterop: true,
+          allowSyntheticDefaultImports: true,
+        },
+      });
+      const exports = {} as any;
+      const module = { exports };
+      const api = {
+        module,
+        exports,
+        require: (name: string) => {
+          const m = dependencies[name as keyof typeof dependencies];
+          return m;
+        },
+      };
+      const fn = new Function(...Object.keys(api), script);
+      fn(...Object.values(api));
+
+      state.addCaptain(`captain-${captainId++}`, {
+        command: module.exports.default || module.exports,
+      })
+      const waterTiles = state.getWorld().map.map((row, y) => row.map((tile, x) => ({ x, y, tile })).filter(({ tile }) => tile.type === 'water')).flat();
+      const start = waterTiles[Math.floor(Math.random() * waterTiles.length)];
+      state.addVessel({
+        captain: `captain-${captainId - 1}`,
+        position: {
+          x: start.x,
+          y: start.y,
+        },
+        plan: [],
+        data: {},
+        direction: 0,
+        power: 1,
+        cash: 100000,
+        fuel: {
+          current: 100000,
+          capacity: 100000,
+        },
+        score: {
+          fuelUsed: 0,
+          distanceTravelled: 0,
+          rounds: 0,
+        },
+        goods: 0,
+        ...payload.data,
+      })
+      break;
+    }
+  }
+};