fix: Add some default power connections to the power grid.

Closes #613

server/src/spawners/ship.ts

@@ -182,6 +182,49 @@ export function spawnShip(
 	systemEntities.forEach((e) => {
 		entity.components.shipSystems?.shipSystems.set(e.id, {});
 	});
+
+	// And connect up the power nodes for good measure
+	// Every battery gets one Reactor
+	const batteries = systemEntities.filter((e) => e.components.isBattery);
+	const reactors = systemEntities.filter((e) => e.components.isReactor);
+	let reactorIndex = 0;
+	// Connect batteries to power nodes in this order
+	const powerNodeOrder = [
+		"internal",
+		"intel",
+		"defense",
+		"navigation",
+		"offense",
+	];
+	batteries.forEach((battery, i) => {
+		reactorIndex = i % reactors.length;
+		const reactor = reactors[reactorIndex];
+		reactor.updateComponent("isReactor", {
+			connectedEntities: [
+				...(reactor.components.isReactor?.connectedEntities || []),
+				battery.id,
+			],
+		});
+		const powerNode = powerNodes[powerNodeOrder[i % powerNodeOrder.length]];
+		battery.updateComponent("isBattery", {
+			connectedNodes: [
+				...(battery.components.isBattery?.connectedNodes || []),
+				powerNode.entity.id,
+			],
+		});
+	});
+	// Make sure every power node is connected to at least one reactor
+	Object.values(powerNodes).forEach((node, i) => {
+		const reactor = reactors[(reactorIndex + i) % reactors.length];
+		reactor.updateComponent("isReactor", {
+			connectedEntities: [
+				...(reactor.components.isReactor?.connectedEntities || []),
+				node.entity.id,
+			],
+		});
+	});
+
+	// Now we can add the ship to the ECS
 	if (params.playerShip) {
 		entity.addComponent("isPlayerShip");
 		entity.addComponent("physicsWorld");