297 lines
10 KiB
TypeScript
297 lines
10 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: Phaser.Button
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// Input callback to receive mouse move events
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private input_callback: any = null
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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: Phaser.Group
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layer_garbage: Phaser.Group
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layer_hints: Phaser.Group
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layer_drones: Phaser.Group
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layer_ships: Phaser.Group
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layer_weapon_effects: Phaser.Group
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layer_targetting: Phaser.Group
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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?: Phaser.Group) {
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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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this.container = container || new Phaser.Group(view.game, undefined, "arena");
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this.container.position.set(this.boundaries.x, this.boundaries.y);
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this.setupMouseCapture();
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this.layer_garbage = this.container.add(new Phaser.Group(view.game, undefined, "garbage"));
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this.layer_hints = this.container.add(new Phaser.Group(view.game, undefined, "hints"));
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this.layer_drones = this.container.add(new Phaser.Group(view.game, undefined, "drones"));
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this.layer_ships = this.container.add(new Phaser.Group(view.game, undefined, "ships"));
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this.layer_weapon_effects = this.container.add(new Phaser.Group(view.game, undefined, "effects"));
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this.layer_targetting = this.container.add(new Phaser.Group(view.game, undefined, "targetting"));
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this.range_hint.setLayer(this.layer_hints);
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this.addShipSprites();
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this.container.onDestroy.add(() => this.destroy());
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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: Phaser.Group): 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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var background = new Phaser.Button(view.game, 0, 0, "battle-arena-background");
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background.name = "mouse-capture";
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background.scale.set(this.boundaries.width / background.width, this.boundaries.height / background.height);
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this.mouse_capture = background;
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// Capture clicks on background
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background.onInputUp.add(() => {
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this.callbacks_click.forEach(callback => callback());
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});
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background.onInputOut.add(() => {
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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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this.input_callback = this.view.input.addMoveCallback((pointer: Phaser.Pointer) => {
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if (this.view.dialogs_opened.length > 0 || this.view.character_sheet.isOpened()) {
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return;
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}
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let point = new Phaser.Point();
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if (view.input.hitTest(background, pointer, point)) {
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let location = new ArenaLocation(point.x * background.scale.x, point.y * background.scale.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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}
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}, null);
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this.container.add(this.mouse_capture);
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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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* Call when the arena is destroyed to properly remove input handlers
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*/
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destroy() {
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if (this.input_callback) {
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this.view.input.deleteMoveCallback(this.input_callback);
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this.input_callback = 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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* Return the duration of deploy animation
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*/
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addDrone(drone: Drone, animate = true): number {
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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 (animate) {
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sprite.position.set(owner.arena_x, owner.arena_y);
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sprite.sprite.rotation = owner.arena_angle;
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let move_duration = Animations.moveInSpace(sprite, drone.x, drone.y, angle, sprite.sprite);
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this.view.tweens.create(sprite.radius).from({ alpha: 0 }, 500, Phaser.Easing.Cubic.In, true, move_duration);
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return move_duration + 500;
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} else {
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sprite.position.set(drone.x, drone.y);
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sprite.sprite.rotation = angle;
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return 0;
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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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return 0;
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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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* Return the duration of deploy animation
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*/
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removeDrone(drone: Drone): number {
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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();
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} else {
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console.error("Drone not found in arena for removal", drone);
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return 0;
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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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}
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