150 lines
5.0 KiB
TypeScript
150 lines
5.0 KiB
TypeScript
module TK.SpaceTac {
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/**
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* Configuration of a trigger action
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*/
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export interface MoveActionConfig {
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// Distance allowed for each power point (raw, without applying maneuvrability)
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distance_per_power: number
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// Safety distance from other ships
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safety_distance: number
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}
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/**
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* Action to move the ship to a specific location
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*/
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export class MoveAction extends BaseAction implements MoveActionConfig {
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distance_per_power = 0
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safety_distance = 120
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maneuvrability_factor = 0
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constructor(name = "Engine", config?: Partial<MoveActionConfig>, code = "move") {
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super(name, code);
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if (config) {
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this.configureEngine(config);
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}
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}
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/**
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* Configure the engine
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*/
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configureEngine(config: Partial<MoveActionConfig>): void {
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copyfields(config, this);
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}
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getVerb(ship: Ship): string {
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return "Move";
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}
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getTitle(ship: Ship): string {
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return `Use ${this.name}`;
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}
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getTargettingMode(ship: Ship): ActionTargettingMode {
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return ActionTargettingMode.SPACE;
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}
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getDefaultTarget(ship: Ship): Target {
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return Target.newFromLocation(ship.arena_x + Math.cos(ship.arena_angle) * 100, ship.arena_y + Math.sin(ship.arena_angle) * 100);
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}
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checkCannotBeApplied(ship: Ship, remaining_ap: number | null = null): ActionUnavailability | null {
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let base = super.checkCannotBeApplied(ship, Infinity);
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if (base) {
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return base;
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}
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// Check AP usage
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if (remaining_ap === null) {
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remaining_ap = ship.getValue("power");
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}
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if (remaining_ap < 0.0001) {
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return ActionUnavailability.POWER;
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}
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// Check vigilance actions
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if (any(ship.getToggleActions(true), action => action instanceof VigilanceAction)) {
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return ActionUnavailability.VIGILANCE;
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}
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// Check pinned status
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if (any(ship.getEffects(), effect => effect instanceof PinnedEffect)) {
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return ActionUnavailability.PINNED;
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}
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return null;
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}
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getPowerUsage(ship: Ship, target: Target | null): number {
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if (this.distance_per_power == 0) {
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return Infinity;
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} else if (target) {
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let distance = Target.newFromShip(ship).getDistanceTo(target);
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return Math.ceil(distance / this.distance_per_power);
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} else {
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return 0;
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}
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}
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getRangeRadius(ship: Ship): number {
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return this.getRangeRadiusForPower(ship);
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}
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/**
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* Get the distance reachable with a given power
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*/
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getRangeRadiusForPower(ship: Ship, power = ship.getValue("power")): number {
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return power * this.distance_per_power;
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}
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/**
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* Get an exclusion helper for this move action
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*/
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getExclusionAreas(ship: Ship): ExclusionAreas {
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return ExclusionAreas.fromShip(ship, this.safety_distance);
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}
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/**
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* Apply exclusion areas (neer arena borders, or other ships)
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*/
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applyExclusion(ship: Ship, target: Target): Target {
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let exclusion = this.getExclusionAreas(ship);
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let destination = exclusion.stopBefore(new ArenaLocation(target.x, target.y), ship.location);
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target = Target.newFromLocation(destination.x, destination.y);
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return target;
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}
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/**
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* Apply reachable range, with remaining power
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*/
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applyReachableRange(ship: Ship, target: Target, margin = 0.1): Target {
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let max_distance = this.getRangeRadius(ship);
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max_distance = Math.max(0, max_distance - margin);
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return target.constraintInRange(ship.arena_x, ship.arena_y, max_distance);
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}
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checkLocationTarget(ship: Ship, target: Target): Target | null {
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target = this.applyReachableRange(ship, target);
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target = this.applyExclusion(ship, target);
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return target.getDistanceTo(ship.location) > 0 ? target : null;
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}
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protected getSpecificDiffs(ship: Ship, battle: Battle, target: Target): BaseBattleDiff[] {
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let angle = (arenaDistance(target, ship.location) < 0.00001) ? ship.arena_angle : arenaAngle(ship.location, target);
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let destination = new ArenaLocationAngle(target.x, target.y, angle);
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return [new ShipMoveDiff(ship, ship.location, destination, this)];
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}
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getEffectsDescription(): string {
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let result = `Move: ${this.distance_per_power}km per power point`;
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if (this.safety_distance) {
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result += ` (safety: ${this.safety_distance}km)`;
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}
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return result;
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}
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}
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}
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