101 lines
3 KiB
TypeScript
101 lines
3 KiB
TypeScript
module SpaceTac.View {
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"use strict";
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// Targetting system
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// Allows to pick a target for an action
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export class Targetting {
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// Signal to receive hovering events
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targetHovered: Phaser.Signal;
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// Signal to receive targetting events
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targetSelected: Phaser.Signal;
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// Target visual line
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line: Phaser.Graphics;
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// Access to the parent battle view
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private battleview: BattleView;
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// Source of the targetting
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private source: PIXI.Sprite;
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// Current target
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private target: Game.Target;
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// Create a default targetting mode
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constructor(battleview: BattleView) {
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this.battleview = battleview;
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this.targetHovered = new Phaser.Signal();
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this.targetSelected = new Phaser.Signal();
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// Visual effects
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if (battleview) {
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this.line = new Phaser.Graphics(battleview.game, 0, 0);
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battleview.arena.add(this.line);
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}
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this.source = null;
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this.target = null;
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}
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// Destructor
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destroy(): void {
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this.targetHovered.dispose();
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this.targetSelected.dispose();
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if (this.line) {
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this.line.destroy();
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}
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}
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// Update visual effects for current targetting
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update(): void {
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if (this.battleview) {
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if (this.source && this.target) {
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this.line.clear();
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this.line.lineStyle(3, 0xFFFFFF);
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this.line.moveTo(this.source.x, this.source.y);
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this.line.lineTo(this.target.x, this.target.y);
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this.line.visible = true;
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} else {
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this.line.visible = false;
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}
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}
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}
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// Set the source sprite for the targetting (for visual effects)
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setSource(sprite: PIXI.Sprite) {
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this.source = sprite;
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}
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// Set a target from a target object
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setTarget(target: Game.Target, dispatch: boolean = true): void {
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this.target = target;
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if (dispatch) {
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this.targetHovered.dispatch(this.target);
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}
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this.update();
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}
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// Set no target
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unsetTarget(dispatch: boolean = true): void {
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this.setTarget(null, dispatch);
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}
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// Set the current target ship (when hovered)
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setTargetShip(ship: Game.Ship, dispatch: boolean = true): void {
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this.setTarget(Game.Target.newFromShip(ship), dispatch);
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}
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// Set the current target in space (when hovered)
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setTargetSpace(x: number, y: number, dispatch: boolean = true): void {
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this.setTarget(Game.Target.newFromLocation(x, y));
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}
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// Validate the current target (when clicked)
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// This will broadcast the targetSelected signal
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validate(): void {
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this.targetSelected.dispatch(this.target);
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}
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}
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}
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