Gui handler and basic inventory screen

client/client_world.ts

@@ -3,7 +3,6 @@ import { MovementSystem } from "$/common/systems/movement_system.ts";
 import { RenderSystem } from "$/client/systems/render_system.ts";
 import { PlayerControlsSystem } from "$/client/systems/player_controls.ts";
 import { DebugSystem } from "$/client/systems/debug_system.ts";
-import { InventorySystem } from "$/client/systems/inventory_system.ts";
 import { UIInteractionSystem } from "$/client/systems/ui_interaction_system.ts";
 import { UIRenderSystem } from "$/client/systems/ui_render_system.ts";
 import { create_main_menu } from "./main_menu.ts";
@@ -12,6 +11,7 @@ import { start_game } from "./game.ts";
 import { canvas, resize_canvas } from "./renderer.ts";
 import { DimensionLogicSystem } from "./systems/dimension_logic.ts";
 import { Dimension } from "./components/dimension.ts";
+import { GuiRenderSystem, GuiTickSystem } from "./gui/gui_systems.ts";
 
 export class ClientWorld extends World {
 	paused = false;
@@ -39,13 +39,14 @@ export class ClientWorld extends World {
 		this.add_system(new UIInteractionSystem(), "main_menu");
 		this.add_system(new UIInteractionSystem(), "paused");
 		this.add_system(new ClickableSystem(), "game");
-		this.add_system(new InventorySystem(), "game");
 		this.add_system(new PlayerControlsSystem(), "game");
 		this.add_system(new MovementSystem(), "game");
 		this.add_system(new DimensionLogicSystem(), "game");
+		this.add_system(new GuiTickSystem(), "game");
 
 		// render systems
 		this.add_system(new RenderSystem(), "game");
+		this.add_system(new GuiRenderSystem(), "game");
 		this.add_system(new DebugSystem(), "game");
 		this.add_system(new UIRenderSystem(), "main_menu");
 		this.add_system(new UIRenderSystem(), "paused");

client/gui/gui_player_inventory.ts

@@ -0,0 +1,66 @@
+import { Container, Inventory, PlayerInventory } from "../inventory.ts";
+import { add_player_hotbar, add_player_inventory, GuiScreen, Slot } from "./gui_screen.ts";
+import { canvas, draw_rect, Texture } from "$/client/renderer.ts";
+import { AssetManager } from "../assets.ts";
+import { SLOT_SIZE } from "../../common/constants.ts";
+import { draw_nine_slice } from "../systems/rendering/render_utils.ts";
+
+const PADDING = 10;
+
+export class GuiPlayerInventory extends GuiScreen {
+	override inventory_width = PADDING * 2 + SLOT_SIZE * 9;
+	override inventory_height = PADDING * 2 + SLOT_SIZE * 4 + PADDING + SLOT_SIZE * 3 + PADDING;
+
+	constructor(player_inventory: PlayerInventory) {
+		super(new Inventory(new Container(10)), player_inventory, undefined);
+
+		add_player_hotbar(this, player_inventory, PADDING, PADDING);
+		add_player_inventory(this, player_inventory, PADDING, PADDING * 2 + SLOT_SIZE);
+
+		const crafting_x = PADDING;
+		const crafting_y = PADDING * 3 + SLOT_SIZE * 4;
+
+		for (let i = 0; i < 3; i += 1) {
+			for (let j = 0; j < 3; j += 1) {
+				this.slots.push(
+					new Slot(this.inventory, i * 3 + j, crafting_x + i * SLOT_SIZE, crafting_y + j * SLOT_SIZE),
+				);
+			}
+		}
+
+		this.slots.push(new Slot(this.inventory, 9, crafting_x + 5 * SLOT_SIZE, crafting_y + 1 * SLOT_SIZE));
+	}
+
+	override on_render(): void {
+		draw_rect(0, 0, canvas.width, canvas.height, [0, 0, 0, 0.8]);
+
+		const ui = AssetManager.instance.get<Texture>("bworld:ui");
+
+		draw_nine_slice(
+			ui,
+			160,
+			0,
+			16,
+			16,
+			4,
+			4,
+			4,
+			4,
+			this.x,
+			this.y,
+			this.inventory_width,
+			this.inventory_height,
+		);
+
+		super.on_render();
+	}
+
+	override on_close(): void {
+		for (let i = 0; i < this.inventory.container.size; i += 1) {
+			const item = this.inventory.container.get_item(i);
+			if (item) {
+				this.player_inventory.container.add_item(item);
+			}
+		}
+	}
+}

client/gui/gui_screen.ts

@@ -0,0 +1,276 @@
+import { SLOT_SIZE } from "$/common/constants.ts";
+import { point_inside_rec } from "../../common/utils.ts";
+import { AssetManager } from "../assets.ts";
+import { InputManager } from "../input_manager.ts";
+import { Inventory, ItemStack, PlayerInventory } from "../inventory.ts";
+import { canvas, Texture } from "../renderer.ts";
+import { draw_item, draw_nine_slice } from "../systems/rendering/render_utils.ts";
+
+export class Slot {
+	inventory: Inventory;
+	index: number;
+	// relative to screen top left
+	x: number;
+	y: number;
+
+	constructor(inventory: Inventory, index: number, x: number, y: number) {
+		this.inventory = inventory;
+		this.index = index;
+		this.x = x;
+		this.y = y;
+	}
+
+	get item(): ItemStack | undefined {
+		return this.inventory.container.get_item(this.index);
+	}
+}
+
+export class GuiScreen<Inv extends Inventory = Inventory, Properties = Record<string, unknown> | undefined> {
+	inventory: Inv;
+	player_inventory: PlayerInventory;
+	properties: Properties;
+
+	slots: Slot[] = [];
+	x: number = 0;
+	y: number = 0;
+	inventory_width: number = 500;
+	inventory_height: number = 500;
+
+	constructor(
+		inventory: Inv,
+		player_inventory: PlayerInventory,
+		properties: Properties,
+	) {
+		this.inventory = inventory;
+		this.player_inventory = player_inventory;
+		this.properties = properties;
+	}
+
+	on_tick(_delta: number): void {
+		this.x = canvas.width / 2 - (this.inventory_width / 2);
+		this.y = canvas.height / 2 - (this.inventory_height / 2);
+
+		this.handle_interaction();
+
+		if (this.player_inventory.holding_item?.amount === 0) {
+			this.player_inventory.holding_item = undefined;
+		}
+	}
+
+	on_render(): void {
+		const ui = AssetManager.instance.get<Texture>("bworld:ui");
+
+		for (const slot of this.slots) {
+			draw_nine_slice(
+				ui,
+				slot.inventory.hovering_slot === slot.index ? 19 * 16 : 160 + 32,
+				slot.inventory.hovering_slot === slot.index ? 16 : 0,
+				16,
+				16,
+				4,
+				4,
+				4,
+				4,
+				this.x + slot.x,
+				this.y + slot.y,
+				SLOT_SIZE,
+				SLOT_SIZE,
+			);
+		}
+
+		for (const slot of this.slots) {
+			const item = slot.item;
+			if (item) {
+				draw_item(item, this.x + slot.x, this.y + slot.y);
+			}
+		}
+
+		if (this.player_inventory.holding_item) {
+			const mouse = InputManager.get_mouse_position();
+			draw_item(this.player_inventory.holding_item, mouse.x, mouse.y);
+		}
+	}
+
+	on_close(): void {}
+
+	handle_interaction() {
+		this.player_inventory.hovering_slot = -1;
+		this.inventory.hovering_slot = -1;
+		for (const slot of this.slots) {
+			const mouse = InputManager.get_mouse_position();
+			const slot_x = slot.x + this.x;
+			const slot_y = slot.y + this.y;
+			const hovering = point_inside_rec(mouse.x, mouse.y, slot_x, slot_y, SLOT_SIZE, SLOT_SIZE);
+			if (hovering) {
+				slot.inventory.hovering_slot = slot.index;
+
+				if (InputManager.is_mouse_pressed(0)) {
+					InputManager.consume_mouse(0);
+					this.handle_left_click(slot);
+					return;
+				}
+
+				if (InputManager.is_mouse_pressed(2)) {
+					InputManager.consume_mouse(2);
+					this.handle_right_click(slot);
+					return;
+				}
+			}
+		}
+	}
+
+	switch_item_with_holding(inventory: Inventory, index: number) {
+		const container_slot = inventory.container.get_slot(index);
+		const original_holding_item = this.player_inventory.holding_item;
+		this.player_inventory.holding_item = container_slot.get_item();
+		container_slot.set_item(original_holding_item);
+	}
+
+	handle_left_click(slot: Slot) {
+		const holding = this.player_inventory.holding_item;
+		const inventory_slot = slot.inventory.container.get_slot(slot.index);
+		const slot_item = inventory_slot.get_item();
+
+		// if you aren't holding anything
+		// "swap" with nothing on your hand (pick it up)
+		if (!holding) {
+			this.switch_item_with_holding(slot.inventory, slot.index);
+			return;
+		}
+
+		// if you are holding something and slot type equals holding type
+		// try to add to stack
+		if (slot_item && inventory_slot.type_id === holding.type_id) {
+			const space_left = inventory_slot.max_amount! - slot_item.amount!;
+			const amount_to_add = Math.min(space_left, holding.amount);
+
+			slot_item.amount += amount_to_add;
+			holding.amount -= amount_to_add;
+
+			return;
+		}
+
+		// if something on hand but not the same
+		// swap
+		this.switch_item_with_holding(slot.inventory, slot.index);
+	}
+
+	handle_right_click(slot: Slot) {
+		const holding = this.player_inventory.holding_item;
+		const inventory_slot = slot.inventory.container.get_slot(slot.index);
+		const slot_item = inventory_slot.get_item();
+
+		// if holding something
+		if (holding) {
+			// and slot type equals holding type
+			// add 1 to matching stack
+			if (slot_item && inventory_slot.type_id === holding.type_id) {
+				if (slot_item.amount < slot_item.max_amount!) {
+					slot_item.amount += 1;
+					holding.amount -= 1;
+				}
+				return;
+			}
+
+			// (actually the same as the last one but creates a new one techinically)
+			// place 1 into empty slot
+			if (!slot_item) {
+				const new_item = holding.clone();
+				new_item.amount = 1;
+				inventory_slot.set_item(new_item);
+				holding.amount -= 1;
+				return;
+			}
+
+			// if something on hand but not the same
+			// swap
+			this.switch_item_with_holding(slot.inventory, slot.index);
+			return;
+		}
+
+		// if player is holding nothing and clicks nothing, nothing happens
+		if (!slot_item) {
+			return;
+		}
+
+		// pick up half of the stack
+		const original_amount = slot_item.amount;
+		const half = Math.floor(original_amount / 2);
+
+		slot_item.amount = half;
+
+		const picked_up = slot_item.clone();
+		picked_up.amount = original_amount - half;
+
+		this.player_inventory.holding_item = picked_up;
+
+		if (slot_item.amount === 0) {
+			inventory_slot.set_item(undefined);
+		}
+	}
+
+	/*handle_hotbar(world: ClientWorld, player_inventory: PlayerInventory) {
+		const [player, player_hand] = world.get_tag("player")!;
+
+		const player_position = player.get(Position);
+		const player_sprite = player.get(AnimatedSprite);
+		const hand_position = player_hand.get(Position);
+		const hand_sprite = player_hand.get(Sprite);
+
+		if (!player_position || !hand_position || !hand_sprite || !player_sprite) {
+			return;
+		}
+
+		// sync position
+		hand_position.x = player_position.x + (player_sprite.flip_x ? 34 : 4);
+		hand_position.y = player_position.y + 34;
+		hand_sprite.flip_x = player_sprite.flip_x;
+
+		const maybe_item = player_inventory.container.get_item(player_inventory.hotbar_selected);
+		if (maybe_item) {
+			const region = get_sprite_region(maybe_item.type_id);
+			hand_sprite.source_x = region.x * 16;
+			hand_sprite.source_y = region.y * 16;
+			hand_sprite.source_width = 16;
+			hand_sprite.source_height = 16;
+			hand_sprite.width = 32;
+			hand_sprite.height = 32;
+		} else {
+			hand_sprite.width = 0;
+			hand_sprite.height = 0;
+		}
+	}*/
+}
+
+// generic methods that is often needed
+
+export function add_player_inventory(
+	handler: GuiScreen,
+	player_inventory: PlayerInventory,
+	offset_x: number,
+	offset_y: number,
+) {
+	for (let i = 0; i < 3; ++i) {
+		for (let l = 0; l < 9; ++l) {
+			handler.slots.push(
+				new Slot(
+					player_inventory,
+					l + i * 9 + 9,
+					offset_x + l * SLOT_SIZE,
+					offset_y + i * SLOT_SIZE,
+				),
+			);
+		}
+	}
+}
+
+export function add_player_hotbar(
+	handler: GuiScreen,
+	player_inventory: PlayerInventory,
+	offset_x: number,
+	offset_y: number,
+) {
+	for (let i = 0; i < 9; ++i) {
+		handler.slots.push(new Slot(player_inventory, i, offset_x + i * SLOT_SIZE, offset_y));
+	}
+}

client/gui/gui_systems.ts

@@ -0,0 +1,25 @@
+import { System } from "$/common/ecs/mod.ts";
+import { ClientWorld } from "../client_world.ts";
+import { PlayerComponent } from "../player.ts";
+
+export class GuiRenderSystem extends System {
+	update(world: ClientWorld, _delta: number): void {
+		const [player] = world.get_tag("player")!;
+		const player_component = player.get(PlayerComponent)!;
+
+		for (const screen of player_component.screens) {
+			screen.on_render();
+		}
+	}
+}
+
+export class GuiTickSystem extends System {
+	update(world: ClientWorld, delta: number): void {
+		const [player] = world.get_tag("player")!;
+		const player_component = player.get(PlayerComponent)!;
+
+		for (const screen of player_component.screens) {
+			screen.on_tick(delta);
+		}
+	}
+}

client/inventory.ts

@@ -1,5 +1,3 @@
-import { Component } from "$/common/ecs/mod.ts";
-import { SLOT_SIZE } from "$/common/constants.ts";
 import { EverythingRegistry, ItemRegistry } from "$/common/everything_registry.ts";
 
 export class ItemStack<T = unknown | undefined> {
@@ -108,18 +106,13 @@ export interface ContainerLayout {
 	offset_y: number;
 }
 
-export class Inventory extends Component {
+export class Inventory {
 	container: Container;
 
-	is_open: boolean = false;
-	layout: ContainerLayout;
-
 	hovering_slot: number = -1;
 
-	constructor(container: Container, layout: ContainerLayout) {
-		super();
+	constructor(container: Container) {
 		this.container = container;
-		this.layout = layout;
 	}
 }
 
@@ -130,18 +123,7 @@ export class PlayerInventory extends Inventory {
 
 	constructor(owner_id: string) {
 		const container = new Container(9 * 4);
-		const layout: ContainerLayout = {
-			slots: [],
-			offset_x: 10,
-			offset_y: 10,
-		};
-
-		for (let row = 0; row < 4; row += 1) {
-			for (let column = 0; column < 9; column += 1) {
-				layout.slots.push({ type: "*", x: column * SLOT_SIZE, y: row * SLOT_SIZE });
-			}
-		}
-		super(container, layout);
+		super(container);
 		this.owner_id = owner_id;
 	}
 }

client/player.ts

@@ -1,12 +1,25 @@
 import { Position } from "$/common/components/position.ts";
 import { Velocity } from "$/common/components/velocity.ts";
-import { Entity } from "$/common/ecs/mod.ts";
+import { Component, Entity } from "$/common/ecs/mod.ts";
 import { Camera } from "$/client/components/camera.ts";
-import { ItemStack, PlayerInventory } from "$/client/components/inventory.ts";
+import { ItemStack, PlayerInventory } from "./inventory.ts";
 import { PlayerControls } from "$/client/components/player_controls.ts";
 import { AnimatedSprite, Sprite } from "$/client/components/sprite.ts";
 import { ClientWorld } from "./client_world.ts";
 import { AssetManager } from "./assets.ts";
+import { GuiScreen } from "./gui/gui_screen.ts";
+
+export class PlayerComponent extends Component {
+	player_inventory = new PlayerInventory("");
+	screens: GuiScreen[] = [];
+
+	pop_screen() {
+		const screen = this.screens.pop();
+		if (screen) {
+			screen.on_close();
+		}
+	}
+}
 
 export function create_player(world: ClientWorld) {
 	const player = new Entity("player");
@@ -31,18 +44,19 @@ export function create_player(world: ClientWorld) {
 		}, "idle"),
 	);
 	player.add(new PlayerControls());
-	// TODO: actual player ids
-	player.add(new PlayerInventory(player.id));
-	player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:pickaxe", 1, 1));
-	player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:hoe", 1, 1));
-	player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:watering_can", 1, 1));
-	player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:axe", 1, 1));
+
+	player.add(new PlayerComponent());
+	const player_inventory = player.get(PlayerComponent)!.player_inventory;
+	player_inventory.container.add_item(new ItemStack("bworld:pickaxe", 1, 1));
+	player_inventory.container.add_item(new ItemStack("bworld:hoe", 1, 1));
+	player_inventory.container.add_item(new ItemStack("bworld:watering_can", 1, 1));
+	player_inventory.container.add_item(new ItemStack("bworld:axe", 1, 1));
 	// player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:sword", 1, 1));
 	// player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:bomb", 64));
-	player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:tomato_seeds", 64));
-	player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:potato_seeds", 64));
-	player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:pumpkin_seeds", 64));
-	player.get(PlayerInventory)!.container.add_item(new ItemStack("bworld:carrot_seeds", 64));
+	player_inventory.container.add_item(new ItemStack("bworld:tomato_seeds", 64));
+	player_inventory.container.add_item(new ItemStack("bworld:potato_seeds", 64));
+	player_inventory.container.add_item(new ItemStack("bworld:pumpkin_seeds", 64));
+	player_inventory.container.add_item(new ItemStack("bworld:carrot_seeds", 64));
 	player.add(new Camera(-100, -100));
 
 	world.add_entity(player);

client/systems/inventory_system.ts

@@ -1,187 +0,0 @@
-import { System } from "$/common/ecs/mod.ts";
-import { get_sprite_region, point_inside_rec } from "$/common/utils.ts";
-import { SLOT_SIZE } from "$/common/constants.ts";
-import { Container, PlayerInventory } from "$/client/components/inventory.ts";
-import { InputManager } from "$/client/input_manager.ts";
-import { ClientWorld } from "$/client/client_world.ts";
-import { Position } from "../../common/components/position.ts";
-import { AnimatedSprite, Sprite } from "../components/sprite.ts";
-import { canvas } from "../renderer.ts";
-
-export class InventorySystem extends System {
-	update(world: ClientWorld, _delta: number): void {
-		for (const entity of world.get_entities()) {
-			const player_inventory = entity.get(PlayerInventory);
-
-			if (player_inventory) {
-				this.handle_interaction(player_inventory);
-				this.handle_hotbar(world, player_inventory);
-			}
-		}
-	}
-
-	handle_interaction(player_inventory: PlayerInventory) {
-		const inventory_width = 10 * 2 + SLOT_SIZE * 9;
-		const inventory_height = 10 * 2 + SLOT_SIZE * 4;
-
-		const offset_x = canvas.width / 2 - (inventory_width / 2);
-		const offset_y = canvas.height / 2 - (inventory_height / 2);
-
-		player_inventory.hovering_slot = -1;
-		const container = player_inventory.container;
-		if (player_inventory.is_open) {
-			for (const [index, slot] of player_inventory.layout.slots.entries()) {
-				const mouse = InputManager.get_mouse_position();
-				const slot_x = slot.x + player_inventory.layout.offset_x + offset_x;
-				const slot_y = slot.y + player_inventory.layout.offset_y + offset_y;
-				const hovering = point_inside_rec(mouse.x, mouse.y, slot_x, slot_y, SLOT_SIZE, SLOT_SIZE);
-				if (hovering) {
-					player_inventory.hovering_slot = index;
-
-					if (InputManager.is_mouse_pressed(0)) {
-						InputManager.consume_mouse(0);
-						this.handle_left_click(player_inventory, container, index);
-						return;
-					}
-
-					if (InputManager.is_mouse_pressed(2)) {
-						InputManager.consume_mouse(2);
-						this.handle_right_click(player_inventory, container, index);
-						return;
-					}
-				}
-			}
-		} else {
-			if (player_inventory.holding_item) {
-				container.add_item(player_inventory.holding_item);
-				player_inventory.holding_item = undefined;
-			}
-		}
-
-		if (player_inventory.holding_item?.amount === 0) {
-			player_inventory.holding_item = undefined;
-		}
-	}
-
-	switch_item_with_holding(player_inventory: PlayerInventory, index: number) {
-		const container_slot = player_inventory.container.get_slot(index);
-		const original_holding_item = player_inventory.holding_item;
-		player_inventory.holding_item = container_slot.get_item();
-		container_slot.set_item(original_holding_item);
-	}
-
-	handle_left_click(player_inventory: PlayerInventory, container: Container, index: number) {
-		const holding = player_inventory.holding_item;
-		const slot = container.get_slot(index);
-		const slot_item = slot.get_item();
-
-		// if you aren't holding anything
-		// "swap" with nothing on your hand (pick it up)
-		if (!holding) {
-			this.switch_item_with_holding(player_inventory, index);
-			return;
-		}
-
-		// if you are holding something and slot type equals holding type
-		// try to add to stack
-		if (slot_item && slot.type_id === holding.type_id) {
-			const space_left = slot.max_amount! - slot_item.amount!;
-			const amount_to_add = Math.min(space_left, holding.amount);
-
-			slot_item.amount += amount_to_add;
-			holding.amount -= amount_to_add;
-
-			return;
-		}
-
-		// if something on hand but not the same
-		// swap
-		this.switch_item_with_holding(player_inventory, index);
-	}
-
-	handle_right_click(player_inventory: PlayerInventory, container: Container, index: number) {
-		const holding = player_inventory.holding_item;
-		const slot = container.get_slot(index);
-		const slot_item = slot.get_item();
-
-		// if holding something
-		if (holding) {
-			// and slot type equals holding type
-			// add 1 to matching stack
-			if (slot_item && slot.type_id === holding.type_id) {
-				if (slot_item.amount < slot_item.max_amount!) {
-					slot_item.amount += 1;
-					holding.amount -= 1;
-				}
-				return;
-			}
-
-			// (actually the same as the last one but creates a new one techinically)
-			// place 1 into empty slot
-			if (!slot_item) {
-				const new_item = holding.clone();
-				new_item.amount = 1;
-				slot.set_item(new_item);
-				holding.amount -= 1;
-				return;
-			}
-
-			// if something on hand but not the same
-			// swap
-			this.switch_item_with_holding(player_inventory, index);
-			return;
-		}
-
-		// if player is holding nothing and clicks nothing, nothing happens
-		if (!slot_item) {
-			return;
-		}
-
-		// pick up half of the stack
-		const original_amount = slot_item.amount;
-		const half = Math.floor(original_amount / 2);
-
-		slot_item.amount = half;
-
-		const picked_up = slot_item.clone();
-		picked_up.amount = original_amount - half;
-
-		player_inventory.holding_item = picked_up;
-
-		if (slot_item.amount === 0) {
-			slot.set_item(undefined);
-		}
-	}
-
-	handle_hotbar(world: ClientWorld, player_inventory: PlayerInventory) {
-		const [player, player_hand] = world.get_tag("player")!;
-
-		const player_position = player.get(Position);
-		const player_sprite = player.get(AnimatedSprite);
-		const hand_position = player_hand.get(Position);
-		const hand_sprite = player_hand.get(Sprite);
-
-		if (!player_position || !hand_position || !hand_sprite || !player_sprite) {
-			return;
-		}
-
-		// sync position
-		hand_position.x = player_position.x + (player_sprite.flip_x ? 34 : 4);
-		hand_position.y = player_position.y + 34;
-		hand_sprite.flip_x = player_sprite.flip_x;
-
-		const maybe_item = player_inventory.container.get_item(player_inventory.hotbar_selected);
-		if (maybe_item) {
-			const region = get_sprite_region(maybe_item.type_id);
-			hand_sprite.source_x = region.x * 16;
-			hand_sprite.source_y = region.y * 16;
-			hand_sprite.source_width = 16;
-			hand_sprite.source_height = 16;
-			hand_sprite.width = 32;
-			hand_sprite.height = 32;
-		} else {
-			hand_sprite.width = 0;
-			hand_sprite.height = 0;
-		}
-	}
-}

client/systems/player_controls.ts

@@ -4,10 +4,11 @@ import { InputManager } from "../input_manager.ts";
 import { AnimatedSprite } from "../components/sprite.ts";
 import { ClientWorld } from "../client_world.ts";
 import { PlayerControls } from "../components/player_controls.ts";
-import { PlayerInventory } from "../components/inventory.ts";
 import { Camera } from "../components/camera.ts";
 import { Position } from "../../common/components/position.ts";
 import { canvas } from "../renderer.ts";
+import { PlayerComponent } from "../player.ts";
+import { GuiPlayerInventory } from "../gui/gui_player_inventory.ts";
 
 export class PlayerControlsSystem extends System {
 	constructor() {
@@ -18,7 +19,7 @@ export class PlayerControlsSystem extends System {
 		const [player] = world.get_tag("player")!;
 		const velocity = player.get(Velocity)!;
 		const controls = player.get(PlayerControls)!;
-		const player_inventory = player.get(PlayerInventory)!;
+		const player_component = player.get(PlayerComponent)!;
 
 		if (InputManager.is_key_down(controls.move_left)) {
 			velocity.vx = -controls.move_speed;
@@ -54,8 +55,11 @@ export class PlayerControlsSystem extends System {
 		}
 
 		if (InputManager.is_key_pressed(controls.open_inventory)) {
-			const inventory = player.get(PlayerInventory)!;
-			inventory.is_open = !inventory.is_open;
+			if (player_component.screens.length === 0) {
+				player_component.screens.push(new GuiPlayerInventory(player_component.player_inventory));
+			} else {
+				player_component.pop_screen();
+			}
 		}
 
 		if (InputManager.is_key_pressed(controls.open_debug)) {
@@ -70,7 +74,8 @@ export class PlayerControlsSystem extends System {
 		camera.offset_x = Math.floor(canvas.width / 2);
 		camera.offset_y = Math.floor(canvas.height / 2);
 
-		if (!player_inventory.is_open) {
+		if (player_component.screens.length === 0) {
+			const player_inventory = player_component.player_inventory;
 			const scroll = InputManager.get_wheel_delta();
 			if (scroll > 0) {
 				player_inventory.hotbar_selected = Math.min(8, player_inventory.hotbar_selected + 1);

client/systems/render_system.ts

@@ -3,13 +3,13 @@ import { World } from "$/common/ecs/world.ts";
 import { Position } from "$/common/components/position.ts";
 import { AnimatedSprite, Sprite } from "$/client/components/sprite.ts";
 import { Dimension } from "../components/dimension.ts";
-import { PlayerInventory } from "$/client/components/inventory.ts";
 import { Camera } from "$/client/components/camera.ts";
 
 import { render_animated_sprite, render_sprite } from "./rendering/sprites.ts";
 import { render_dimension } from "./rendering/dimension.ts";
-import { render_player_hotbar, render_player_inventory } from "./rendering/player.ts";
+import { render_player_hotbar } from "./rendering/player.ts";
 import { begin_mode_2d, end_mode_2d } from "../renderer.ts";
+import { PlayerComponent } from "../player.ts";
 
 export class RenderSystem extends System {
 	constructor() {
@@ -50,13 +50,10 @@ export class RenderSystem extends System {
 		end_mode_2d();
 
 		for (const entity of world.get_entities()) {
-			const player_inventory = entity.get(PlayerInventory);
+			const player_component = entity.get(PlayerComponent);
 
-			if (player_inventory) {
-				render_player_hotbar(player_inventory);
-				if (player_inventory.is_open) {
-					render_player_inventory(player_inventory);
-				}
+			if (player_component) {
+				render_player_hotbar(player_component.player_inventory);
 			}
 		}
 	}

client/systems/rendering/player.ts

@@ -1,106 +1,11 @@
 import { SLOT_SIZE } from "$/common/constants.ts";
 import { AssetManager } from "$/client/assets.ts";
-import { PlayerInventory } from "$/client/components/inventory.ts";
-import { InputManager } from "$/client/input_manager.ts";
+import { PlayerInventory } from "../../inventory.ts";
 import { draw_item, draw_nine_slice } from "./render_utils.ts";
-import { canvas, draw_rect, draw_text, measure_text, Texture } from "$/client/renderer.ts";
-import { EverythingRegistry, ItemRegistry } from "$/common/everything_registry.ts";
+import { canvas, Texture } from "$/client/renderer.ts";
 
 const PADDING = 10;
 
-export function render_player_inventory(player_inventory: PlayerInventory) {
-	draw_rect(0, 0, canvas.width, canvas.height, [0, 0, 0, 0.8]);
-
-	const ui = AssetManager.instance.get<Texture>("bworld:ui");
-	const layout = player_inventory.layout.slots;
-
-	const inventory_width = PADDING * 2 + SLOT_SIZE * 9;
-	const inventory_height = PADDING * 2 + SLOT_SIZE * 4;
-
-	const offset_x = canvas.width / 2 - (inventory_width / 2);
-	const offset_y = canvas.height / 2 - (inventory_height / 2);
-
-	draw_nine_slice(
-		ui,
-		160,
-		0,
-		16,
-		16,
-		4,
-		4,
-		4,
-		4,
-		offset_x,
-		offset_y,
-		inventory_width,
-		inventory_height,
-	);
-
-	for (const [index, slot] of layout.entries()) {
-		const x = slot.x + PADDING;
-		const y = slot.y + PADDING;
-		draw_nine_slice(
-			ui,
-			player_inventory.hovering_slot === index ? 19 * 16 : 160 + 32,
-			player_inventory.hovering_slot === index ? 16 : 0,
-			16,
-			16,
-			4,
-			4,
-			4,
-			4,
-			offset_x + x,
-			offset_y + y,
-			SLOT_SIZE,
-			SLOT_SIZE,
-		);
-	}
-	for (const [index, slot] of layout.entries()) {
-		const x = slot.x + PADDING;
-		const y = slot.y + PADDING;
-		const item = player_inventory.container.get_item(index);
-		if (item) {
-			draw_item(item, offset_x + x, offset_y + y);
-		}
-	}
-
-	const mouse = InputManager.get_mouse_position();
-
-	if (player_inventory.holding_item) {
-		draw_item(player_inventory.holding_item, mouse.x, mouse.y);
-	}
-
-	if (player_inventory.hovering_slot !== -1) {
-		const item = player_inventory.container.get_item(player_inventory.hovering_slot);
-		if (item) {
-			const item_info = EverythingRegistry.get<ItemRegistry>("items", item.type_id);
-			const item_name = item.type_id;
-			const box_width = measure_text(item_name, 2) + 4 * 3;
-			const lines = item_info?.get_lore ? 2 : 1;
-			draw_nine_slice(
-				ui,
-				16 * 11,
-				0,
-				16,
-				16,
-				4,
-				4,
-				4,
-				4,
-				mouse.x + 4,
-				mouse.y,
-				box_width,
-				32 * lines + 4 * (lines + 2),
-				[1, 1, 1, 0.8],
-			);
-			draw_text(item_name, mouse.x + 4, mouse.y, 2);
-			if (item_info?.get_lore) {
-				draw_text(item_info.get_lore(item), mouse.x + 4, mouse.y + 32, 2);
-			}
-		}
-	}
-}
-
 export function render_player_hotbar(player_inventory: PlayerInventory) {
 	const ui = AssetManager.instance.get<Texture>("bworld:ui");
 

client/systems/rendering/render_utils.ts

@@ -1,7 +1,7 @@
 import { SLOT_SIZE } from "$/common/constants.ts";
 import { get_sprite_region } from "$/common/utils.ts";
 import { AssetManager } from "$/client/assets.ts";
-import { ItemStack } from "$/client/components/inventory.ts";
+import { ItemStack } from "../../inventory.ts";
 import { draw_text, draw_texture_region, Texture } from "$/client/renderer.ts";
 
 export function draw_nine_slice(

client/tiles/crops.ts

@@ -1,5 +1,6 @@
 import { EverythingRegistry, TileRegistry } from "$/common/everything_registry.ts";
-import { ItemStack, PlayerInventory } from "../components/inventory.ts";
+import { ItemStack } from "../inventory.ts";
+import { PlayerComponent } from "../player.ts";
 
 interface CropsRegistry {
 	total_stages: number;
@@ -84,7 +85,7 @@ function create_crop_tile(crop_id: string) {
 		},
 		on_click(world, tile) {
 			const [player] = world.get_tag("player")!;
-			const player_inventory = player.get(PlayerInventory)!;
+			const player_inventory = player.get(PlayerComponent)!.player_inventory;
 			const item = player_inventory.container.get_item(player_inventory.hotbar_selected);
 			if (!item) {
 				return;
@@ -99,7 +100,7 @@ function create_crop_tile(crop_id: string) {
 				return;
 			}
 			const [player] = world.get_tag("player")!;
-			const player_inventory = player.get(PlayerInventory)!;
+			const player_inventory = player.get(PlayerComponent)!.player_inventory;
 			player_inventory.container.add_item(new ItemStack(crop_info.item_drop));
 			if (crop_info.regrowable) {
 				tile.data!.current_stage -= 1;

client/tiles/dirt.ts

@@ -1,6 +1,6 @@
 import { EverythingRegistry, TileRegistry } from "$/common/everything_registry.ts";
-import { PlayerInventory } from "../components/inventory.ts";
 import { WateringCanData } from "../items/watering_can.ts";
+import { PlayerComponent } from "../player.ts";
 
 EverythingRegistry.register<TileRegistry>("tiles", "bworld:dirt", {
 	texture_id: "bworld:dirt",
@@ -8,7 +8,7 @@ EverythingRegistry.register<TileRegistry>("tiles", "bworld:dirt", {
 
 	on_interact(world, tile) {
 		const [player] = world.get_tag("player")!;
-		const player_inventory = player.get(PlayerInventory)!;
+		const player_inventory = player.get(PlayerComponent)!.player_inventory;
 		const maybe_item = player_inventory.container.get_item(player_inventory.hotbar_selected);
 		if (maybe_item && maybe_item.type_id === "bworld:hoe") {
 			tile.id = "bworld:hoed_dirt";
@@ -22,7 +22,7 @@ EverythingRegistry.register<TileRegistry>("tiles", "bworld:hoed_dirt", {
 
 	on_click(world, tile) {
 		const [player] = world.get_tag("player")!;
-		const player_inventory = player.get(PlayerInventory)!;
+		const player_inventory = player.get(PlayerComponent)!.player_inventory;
 		const item = player_inventory.container.get_item(player_inventory.hotbar_selected);
 		if (!item) {
 			return;
@@ -34,7 +34,7 @@ EverythingRegistry.register<TileRegistry>("tiles", "bworld:hoed_dirt", {
 	},
 	on_interact(world, tile) {
 		const [player] = world.get_tag("player")!;
-		const player_inventory = player.get(PlayerInventory)!;
+		const player_inventory = player.get(PlayerComponent)!.player_inventory;
 		const item = player_inventory.container.get_item(player_inventory.hotbar_selected);
 		if (!item) {
 			return;
@@ -56,7 +56,7 @@ EverythingRegistry.register<TileRegistry>("tiles", "bworld:hoed_watered_dirt", {
 
 	on_click(world, tile) {
 		const [player] = world.get_tag("player")!;
-		const player_inventory = player.get(PlayerInventory)!;
+		const player_inventory = player.get(PlayerComponent)!.player_inventory;
 		const item = player_inventory.container.get_item(player_inventory.hotbar_selected);
 		if (!item) {
 			return;
@@ -68,7 +68,7 @@ EverythingRegistry.register<TileRegistry>("tiles", "bworld:hoed_watered_dirt", {
 	},
 	on_interact(world, tile) {
 		const [player] = world.get_tag("player")!;
-		const player_inventory = player.get(PlayerInventory)!;
+		const player_inventory = player.get(PlayerComponent)!.player_inventory;
 		const item = player_inventory.container.get_item(player_inventory.hotbar_selected);
 		if (!item) {
 			return;

client/tiles/grass.ts

@@ -1,5 +1,5 @@
 import { EverythingRegistry, TileRegistry } from "$/common/everything_registry.ts";
-import { PlayerInventory } from "../components/inventory.ts";
+import { PlayerComponent } from "../player.ts";
 
 EverythingRegistry.register<TileRegistry>("tiles", "bworld:grass", {
 	texture_id: "bworld:grass",
@@ -7,7 +7,7 @@ EverythingRegistry.register<TileRegistry>("tiles", "bworld:grass", {
 
 	on_interact(world, tile) {
 		const [player] = world.get_tag("player")!;
-		const player_inventory = player.get(PlayerInventory)!;
+		const player_inventory = player.get(PlayerComponent)!.player_inventory;
 		const maybe_item = player_inventory.container.get_item(player_inventory.hotbar_selected);
 		if (maybe_item && maybe_item.type_id === "bworld:hoe") {
 			tile.id = "bworld:hoed_dirt";

client/tiles/tree.ts

@@ -1,5 +1,6 @@
 import { EverythingRegistry, TileRegistry } from "$/common/everything_registry.ts";
-import { ItemStack, PlayerInventory } from "../components/inventory.ts";
+import { ItemStack } from "../inventory.ts";
+import { PlayerComponent } from "../player.ts";
 
 EverythingRegistry.register<TileRegistry>("tiles", "bworld:tree", {
 	texture_id: "bworld:tree",
@@ -7,7 +8,7 @@ EverythingRegistry.register<TileRegistry>("tiles", "bworld:tree", {
 
 	on_click(world, tile) {
 		const [player] = world.get_tag("player")!;
-		const player_inventory = player.get(PlayerInventory)!;
+		const player_inventory = player.get(PlayerComponent)!.player_inventory;
 		const maybe_item = player_inventory.container.get_item(player_inventory.hotbar_selected);
 		if (maybe_item && maybe_item.type_id === "bworld:axe") {
 			tile.id = "bworld:grass";

client/tiles/water.ts

@@ -1,6 +1,6 @@
 import { EverythingRegistry, TileRegistry } from "$/common/everything_registry.ts";
-import { PlayerInventory } from "../components/inventory.ts";
 import { WateringCanData } from "../items/watering_can.ts";
+import { PlayerComponent } from "../player.ts";
 
 EverythingRegistry.register<TileRegistry>("tiles", "bworld:water", {
 	texture_id: "bworld:water",
@@ -8,7 +8,7 @@ EverythingRegistry.register<TileRegistry>("tiles", "bworld:water", {
 
 	on_interact(world, _tile) {
 		const [player] = world.get_tag("player")!;
-		const player_inventory = player.get(PlayerInventory)!;
+		const player_inventory = player.get(PlayerComponent)!.player_inventory;
 		const maybe_item = player_inventory.container.get_item(player_inventory.hotbar_selected);
 		if (maybe_item && maybe_item.type_id === "bworld:watering_can") {
 			const data = maybe_item.data as WateringCanData;

common/everything_registry.ts

@@ -1,6 +1,6 @@
 import { ClientWorld } from "../client/client_world.ts";
 import { Tile } from "../client/components/dimension.ts";
-import { ItemStack } from "../client/components/inventory.ts";
+import { ItemStack } from "../client/inventory.ts";
 
 export class EverythingRegistry {
 	static #registries = new Map<string, Map<string, unknown>>();