317 lines
11 KiB
TypeScript
317 lines
11 KiB
TypeScript
module TK.SpaceTac.UI {
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/**
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* Graphical representation of a battle
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*
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* This is the area in the BattleView that will display ships with their real positions
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*/
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export class Arena {
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// Link to battleview
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view: BattleView
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// Boundaries of the arena
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boundaries: IBounded = { x: 0, y: 0, width: 1808, height: 948 }
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// Hint for weapon or move range
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range_hint: RangeHint
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// Input capture
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private mouse_capture?: UIImage
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// List of ship sprites
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private ship_sprites: ArenaShip[] = []
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// List of drone sprites
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private drone_sprites: ArenaDrone[] = []
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// Currently hovered ship
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private hovered: ArenaShip | null
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// Currently playing ship
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private playing: ArenaShip | null
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// Layer for particles
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container: UIContainer
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layer_garbage: UIContainer
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layer_hints: UIContainer
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layer_drones: UIContainer
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layer_ships: UIContainer
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layer_weapon_effects: UIContainer
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layer_targetting: UIContainer
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// Callbacks to receive cursor events
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callbacks_hover: ((location: ArenaLocation | null, ship: Ship | null) => void)[] = []
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callbacks_click: (() => void)[] = []
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// Create a graphical arena for ship sprites to fight in a 2D space
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constructor(view: BattleView, container?: UIContainer) {
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this.view = view;
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this.playing = null;
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this.hovered = null;
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this.range_hint = new RangeHint(this);
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let builder = new UIBuilder(view, container);
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if (!container) {
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container = builder.container("arena");
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builder = builder.in(container);
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}
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this.container = container;
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container.setPosition(this.boundaries.x, this.boundaries.y);
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this.setupMouseCapture();
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this.layer_garbage = builder.container("garbage");
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this.layer_hints = builder.container("hints");
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this.layer_drones = builder.container("drones");
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this.layer_ships = builder.container("ships");
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this.layer_weapon_effects = builder.container("effects");
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this.layer_targetting = builder.container("targetting");
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this.range_hint.setLayer(this.layer_hints);
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this.addShipSprites();
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view.battle.drones.list().forEach(drone => this.addDrone(drone, 0));
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view.log_processor.register(diff => this.checkDroneDeployed(diff));
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view.log_processor.register(diff => this.checkDroneRecalled(diff));
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view.log_processor.watchForShipChange(ship => {
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return {
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foreground: async () => {
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await this.setShipPlaying(ship)
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}
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}
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});
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}
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/**
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* Move to a specific layer
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*/
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moveToLayer(layer: UIContainer): void {
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layer.add(this.container);
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}
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/**
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* Setup the mouse capture for targetting events
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*/
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setupMouseCapture() {
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let view = this.view;
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let background = new UIBuilder(view, this.container).image("battle-arena-background");
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background.setName("mouse-capture");
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background.setScale(this.boundaries.width / background.width, this.boundaries.height / background.height)
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// Capture clicks on background
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background.setInteractive();
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background.on("pointerup", (pointer: Phaser.Input.Pointer) => {
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if (pointer.buttons == 1) {
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this.callbacks_click.forEach(callback => callback());
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}
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});
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background.on("pointerout", () => {
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this.callbacks_hover.forEach(callback => callback(null, null));
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});
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// Watch mouse move to capture hovering over background
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view.input.on("pointermove", (pointer: Phaser.Input.Pointer) => {
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if (this.view.dialogs_opened.length > 0 || this.view.character_sheet.isOpened() || this.view.layer_overlay.length > 0) {
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return;
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}
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let location = new ArenaLocation(pointer.x, pointer.y);
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let ship = this.getShip(location);
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this.callbacks_hover.forEach(callback => callback(location, ship));
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}, null);
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this.mouse_capture = background;
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}
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/**
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* Get the ship under a cursor location
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*/
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getShip(location: ArenaLocation): Ship | null {
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let nearest = minBy(this.ship_sprites, sprite => arenaDistance(location, sprite.ship.location));
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if (nearest && arenaDistance(location, nearest) < 50) {
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return nearest.ship;
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} else {
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return null;
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}
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}
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/**
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* Add the sprites for all ships
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*/
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addShipSprites() {
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iforeach(this.view.battle.iships(), ship => {
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let sprite = new ArenaShip(this, ship);
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(ship.alive ? this.layer_ships : this.layer_garbage).add(sprite);
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this.ship_sprites.push(sprite);
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});
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}
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/**
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* Get the current MainUI instance
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*/
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get game(): MainUI {
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return this.view.gameui;
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}
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/**
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* Get the current battle displayed
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*/
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getBattle(): Battle {
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return this.view.battle;
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}
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// Remove a ship sprite
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markAsDead(ship: Ship): void {
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var sprite = this.findShipSprite(ship);
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if (sprite) {
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sprite.setDead(true);
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this.layer_garbage.add(sprite);
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}
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}
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// Find the sprite for a ship
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findShipSprite(ship: Ship | RObjectId | null): ArenaShip | null {
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return first(this.ship_sprites, sprite => sprite.ship.is(ship));
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}
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// Set the hovered state on a ship sprite
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setShipHovered(ship: Ship | null): void {
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if (this.hovered) {
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this.hovered.setHovered(false, false);
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}
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if (ship) {
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var arena_ship = this.findShipSprite(ship);
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if (arena_ship) {
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arena_ship.setHovered(true, false);
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this.layer_ships.bringToTop(arena_ship);
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}
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this.hovered = arena_ship;
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} else {
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this.hovered = null;
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}
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}
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/**
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* Set the playing state on a ship sprite
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*/
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async setShipPlaying(ship: Ship | null, animate = true): Promise<void> {
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if (this.playing) {
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this.playing.setPlaying(false);
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this.playing = null;
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}
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if (ship) {
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let arena_ship = this.findShipSprite(ship);
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if (arena_ship) {
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this.layer_ships.bringToTop(arena_ship);
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await arena_ship.setPlaying(true, animate);
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}
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this.playing = arena_ship;
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}
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}
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/**
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* Find an ArenaDrone displaying a Drone.
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*/
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findDrone(drone: Drone | RObjectId | null): ArenaDrone | null {
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return first(this.drone_sprites, sprite => sprite.drone.is(drone));
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}
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/**
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* Spawn a new drone
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*/
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async addDrone(drone: Drone, speed = 1): Promise<void> {
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if (!this.findDrone(drone)) {
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let sprite = new ArenaDrone(this.view, drone);
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let owner = this.view.battle.getShip(drone.owner) || new Ship();
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let angle = Math.atan2(drone.y - owner.arena_y, drone.x - owner.arena_x);
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this.layer_drones.add(sprite);
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this.drone_sprites.push(sprite);
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if (speed) {
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sprite.radius.setAlpha(0);
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sprite.setPosition(owner.arena_x, owner.arena_y);
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sprite.sprite.setRotation(owner.arena_angle);
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await this.view.animations.moveInSpace(sprite, drone.x, drone.y, angle, sprite.sprite, speed);
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await this.view.animations.addAnimation(sprite.radius, { alpha: 1 }, 500 / speed, "Cubic.easeIn");
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} else {
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sprite.setPosition(drone.x, drone.y);
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sprite.setRotation(angle);
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}
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} else {
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console.error("Drone added twice to arena", drone);
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}
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}
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/**
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* Remove a destroyed drone
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*/
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async removeDrone(drone: Drone, speed = 1): Promise<void> {
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let sprite = this.findDrone(drone);
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if (sprite) {
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remove(this.drone_sprites, sprite);
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return sprite.setDestroyed(speed);
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} else {
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console.error("Drone not found in arena for removal", drone);
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}
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}
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/**
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* Switch the tactical mode (shows information on all ships, and fades background)
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*/
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setTacticalMode(active: boolean): void {
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this.ship_sprites.forEach(sprite => sprite.setHovered(active, true));
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this.drone_sprites.forEach(drone => drone.setTacticalMode(active));
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this.view.animations.setVisible(this.layer_garbage, !active, 200);
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if (this.view.background) {
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this.view.animations.setVisible(this.view.background, !active, 200);
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}
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}
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/**
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* Get the boundaries of the arena on display
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*/
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getBoundaries(): IBounded {
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return this.boundaries;
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}
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/**
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* Check if a new drone as been deployed
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*/
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private checkDroneDeployed(diff: BaseBattleDiff): LogProcessorDelegate {
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if (diff instanceof DroneDeployedDiff) {
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return {
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foreground: async (speed: number) => {
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if (speed) {
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this.view.gameui.audio.playOnce("battle-drone-deploy");
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}
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await this.addDrone(diff.drone, speed);
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}
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}
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} else {
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return {};
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}
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}
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/**
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* Check if a drone as been recalled
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*/
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private checkDroneRecalled(diff: BaseBattleDiff): LogProcessorDelegate {
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if (diff instanceof DroneRecalledDiff) {
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return {
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foreground: async (speed: number) => {
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if (speed) {
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this.view.gameui.audio.playOnce("battle-drone-destroy");
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}
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await this.removeDrone(diff.drone, speed);
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}
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}
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} else {
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return {};
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}
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}
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}
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}
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