114 lines
3.8 KiB
TypeScript
114 lines
3.8 KiB
TypeScript
/// <reference path="BaseAction.ts"/>
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module TS.SpaceTac {
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/**
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* Action to fire a weapon on another ship, or in space
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*/
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export class FireWeaponAction extends BaseAction {
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// Power consumption
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power: number;
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// Maximal range of the weapon
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range: number
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// Blast radius
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blast: number;
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// Effects applied on hit
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effects: BaseEffect[];
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// Equipment cannot be null
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equipment: Equipment;
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constructor(equipment: Equipment, power = 1, range = 0, blast = 0, effects: BaseEffect[] = [], name = "Fire") {
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super("fire-" + equipment.code, name, range > 0, equipment);
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this.power = power;
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this.range = range;
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this.effects = effects;
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this.blast = blast;
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}
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getActionPointsUsage(ship: Ship, target: Target | null): number {
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return this.power;
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}
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getRangeRadius(ship: Ship): number {
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return this.range;
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}
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getBlastRadius(ship: Ship): number {
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return this.blast;
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}
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checkLocationTarget(ship: Ship, target: Target): Target | null {
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if (target && this.blast > 0) {
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target = target.constraintInRange(ship.arena_x, ship.arena_y, this.range);
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return target;
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} else {
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return null;
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}
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}
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checkShipTarget(ship: Ship, target: Target): Target | null {
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if (target.ship && ship.getPlayer() === target.ship.getPlayer()) {
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// No friendly fire
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return null;
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} else {
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// Check if target is in range
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if (this.blast > 0) {
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return this.checkLocationTarget(ship, new Target(target.x, target.y));
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} else if (target.isInRange(ship.arena_x, ship.arena_y, this.range)) {
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return target;
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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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/**
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* Collect the effects applied by this action
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*/
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getEffects(ship: Ship, target: Target): [Ship, BaseEffect][] {
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let result: [Ship, BaseEffect][] = [];
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let blast = this.getBlastRadius(ship);
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let battle = ship.getBattle();
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let ships = (blast && battle) ? battle.collectShipsInCircle(target, blast, true) : ((target.ship && target.ship.alive) ? [target.ship] : []);
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ships.forEach(ship => {
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this.effects.forEach(effect => result.push([ship, effect]));
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});
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return result;
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}
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protected customApply(ship: Ship, target: Target | null) {
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if (!target) {
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// Self-target
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target = Target.newFromShip(ship);
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}
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// Face the target
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ship.rotate(Target.newFromShip(ship).getAngleTo(target), first(ship.listEquipment(SlotType.Engine), () => true));
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// Fire event
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ship.addBattleEvent(new FireEvent(ship, this.equipment, target));
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// Apply effects
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let effects = this.getEffects(ship, target);
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effects.forEach(([ship_target, effect]) => effect.applyOnShip(ship_target, ship));
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}
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getEffectsDescription(): string {
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if (this.effects.length == 0) {
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return "";
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}
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let desc = `${this.name} (power usage ${this.power}, max range ${this.range}km)`;
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let effects = this.effects.map(effect => {
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let suffix = this.blast ? `in ${this.blast}km radius` : "on target";
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return "• " + effect.getDescription() + " " + suffix;
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});
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return `${desc}:\n${effects.join("\n")}`;
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}
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}
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}
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