71 lines
2.5 KiB
TypeScript
71 lines
2.5 KiB
TypeScript
module SpaceTac.Game {
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"use strict";
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// Base class for action definitions
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export class BaseAction {
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// Identifier code for the type of action
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code: string;
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// Boolean at true if the action needs a target
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needs_target: boolean;
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// Create the action
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constructor(code: string, needs_target: boolean) {
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this.code = code;
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this.needs_target = needs_target;
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}
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// Check basic conditions to know if the ship can use this action at all
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// Method to reimplement to set conditions
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canBeUsed(battle: Battle, ship: Ship): boolean {
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return true;
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}
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// Method to check if a target is applicable for this action
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// Will call checkLocationTarget or checkShipTarget by default
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checkTarget(battle: Battle, ship: Ship, target: Target): Target {
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if (!this.canBeUsed(battle, ship)) {
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return null;
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} else if (target) {
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if (target.ship) {
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return this.checkShipTarget(battle, ship, target);
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} else {
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return this.checkLocationTarget(battle, ship, target);
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}
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} else {
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return null;
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}
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}
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// Method to reimplement to check if a space target is applicable
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// Must return null if the target can't be applied, an altered target, or the original target
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checkLocationTarget(battle: Battle, ship: Ship, target: Target): Target {
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return null;
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}
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// Method to reimplement to check if a ship target is applicable
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// Must return null if the target can't be applied, an altered target, or the original target
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checkShipTarget(battle: Battle, ship: Ship, target: Target): Target {
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return null;
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}
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// Apply an action, returning true if it was successful
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apply(battle: Battle, ship: Ship, target: Target): boolean {
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if (this.canBeUsed(battle, ship)) {
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target = this.checkTarget(battle, ship, target);
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if (!target && this.needs_target) {
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return false;
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}
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return this.customApply(battle, ship, target);
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} else {
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return false;
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}
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}
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// Method to reimplement to apply a action
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protected customApply(battle: Battle, ship: Ship, target: Target): boolean {
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return false;
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}
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}
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}
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