No more ecs

client/entity/local_player.ts

@@ -0,0 +1,93 @@
+import type { Client } from "../client.ts";
+import { InputManager } from "../input_manager.ts";
+import { ClientInventories } from "../inventory.ts";
+import { Player } from "./player.ts";
+
+// how often the position goes to the server
+const SEND_POSITION_INTERVAL = 1 / 10;
+
+// the player this client controls, like minecraft's LocalPlayer
+export class LocalPlayer extends Player {
+	client: Client;
+	inventories = new ClientInventories();
+
+	move_speed = 4;
+	jump_force = 6.7;
+
+	#send_timer = 0;
+
+	constructor(client: Client, id: string, name: string) {
+		super(client.level, id, name);
+		this.client = client;
+	}
+
+	tick(delta: number) {
+		if (!this.client.screen) {
+			this.#apply_input();
+		}
+		this.move(delta);
+		this.#send_position(delta);
+	}
+
+	// turns with the mouse, like minecraft's MouseHandler.turnPlayer
+	turn(mouse_dx: number, mouse_dy: number) {
+		this.yaw += -mouse_dx * 0.001;
+		this.pitch += -mouse_dy * 0.001;
+
+		const limit = Math.PI / 2 - 0.01;
+		this.pitch = Math.max(-limit, Math.min(limit, this.pitch));
+	}
+
+	// walking relative to where it's looking
+	#apply_input() {
+		const options = this.client.options;
+		let input_x = 0;
+		let input_z = 0;
+
+		if (InputManager.is_key_down(options.key_left)) {
+			input_x -= 1;
+		}
+		if (InputManager.is_key_down(options.key_right)) {
+			input_x += 1;
+		}
+		if (InputManager.is_key_down(options.key_forward)) {
+			input_z -= 1;
+		}
+		if (InputManager.is_key_down(options.key_back)) {
+			input_z += 1;
+		}
+
+		const size = Math.hypot(input_x, input_z);
+		if (size > 0) {
+			input_x /= size;
+			input_z /= size;
+		}
+
+		const sin = Math.sin(this.yaw);
+		const cos = Math.cos(this.yaw);
+		const speed = this.move_speed * (InputManager.is_key_down(options.key_sprint) ? 1.75 : 1);
+
+		this.vx = (sin * input_z + cos * input_x) * speed;
+		this.vz = (cos * input_z - sin * input_x) * speed;
+
+		if (InputManager.is_key_down(options.key_jump) && this.on_ground) {
+			this.vy += this.jump_force;
+		}
+	}
+
+	#send_position(delta: number) {
+		this.#send_timer += delta;
+		if (this.#send_timer < SEND_POSITION_INTERVAL) {
+			return;
+		}
+		this.#send_timer = 0;
+		this.client.connection.send({
+			type: "move",
+			x: this.x,
+			y: this.y,
+			z: this.z,
+			yaw: this.yaw,
+			pitch: this.pitch,
+		});
+	}
+}