Basic gameplay?

client/systems/dimension_logic.ts

@@ -0,0 +1,79 @@
+import { System } from "$/common/ecs/mod.ts";
+import { ClientWorld } from "../client_world.ts";
+import { Dimension } from "../components/dimension.ts";
+import { Camera, screen_to_world } from "../components/camera.ts";
+import { InputManager } from "../input_manager.ts";
+import { canvas } from "../renderer.ts";
+import { TILE_SIZE } from "$/common/constants.ts";
+import { EverythingRegistry, TileRegistry } from "$/common/everything_registry.ts";
+
+export class DimensionLogicSystem extends System {
+	update(world: ClientWorld, _delta: number): void {
+		const dimension_entity = world.get_entities().values().find((ent) => ent.get(Dimension));
+		const dimension = dimension_entity!.get(Dimension)!;
+
+		const [player] = world.get_tag("player")!;
+		const camera = player.get(Camera)!;
+
+		const mouse = InputManager.get_mouse_position();
+
+		const world_mouse = screen_to_world(
+			mouse.x,
+			mouse.y,
+			camera,
+			canvas.width,
+			canvas.height,
+		);
+
+		const tile_x = Math.floor(world_mouse.x / TILE_SIZE);
+		const tile_y = Math.floor(world_mouse.y / TILE_SIZE);
+
+		const tile = dimension.tiles.findLast((tile) => tile.x === tile_x && tile.y === tile_y);
+
+		if (tile) {
+			const tile_info = EverythingRegistry.get<TileRegistry>("tiles", tile.id);
+
+			if (!tile_info) {
+				return;
+			}
+
+			if (tile_info.on_interact || tile_info.on_click) {
+				if (tile_info.on_interact && InputManager.is_mouse_pressed(2)) {
+					InputManager.consume_mouse(2);
+					tile_info.on_interact(world, tile);
+				}
+				if (tile_info.on_click && InputManager.is_mouse_pressed(0)) {
+					InputManager.consume_mouse(0);
+					tile_info.on_click(world, tile);
+				}
+			}
+		}
+
+		/*for (const tile of dimension.tiles) {
+			const tile_info = EverythingRegistry.get<TileRegistry>("tiles", tile.id);
+			if (!tile_info) {
+				continue;
+			}
+
+			if (tile_info.on_interact || tile_info.on_click) {
+				console.log(tile_info);
+				const hovered = point_inside_rec(
+					world_mouse.x,
+					world_mouse.y,
+					tile.x * TILE_SIZE,
+					tile.y * TILE_SIZE,
+					TILE_SIZE,
+					TILE_SIZE,
+				);
+				if (tile_info.on_interact && hovered && InputManager.is_mouse_pressed(2)) {
+					InputManager.consume_mouse(2);
+					tile_info.on_interact(world, tile);
+				}
+				if (tile_info.on_click && hovered && InputManager.is_mouse_pressed(0)) {
+					InputManager.consume_mouse(0);
+					tile_info.on_click(world, tile);
+				}
+			}
+		}*/
+	}
+}