104 lines
3.6 KiB
TypeScript
104 lines
3.6 KiB
TypeScript
module TK.SpaceTac {
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/**
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* Result of an ended battle
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*
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* This stores the winner, and the retrievable loot
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*/
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export class BattleOutcome {
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// Indicates if the battle is a draw (no winner)
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draw: boolean;
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// Victorious fleet
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winner: Fleet | null;
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// Retrievable loot
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loot: Equipment[];
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constructor(winner: Fleet | null) {
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this.winner = winner;
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this.draw = winner ? false : true;
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this.loot = [];
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}
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/**
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* Fill loot from defeated fleet
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*/
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createLoot(battle: Battle, random = RandomGenerator.global): void {
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this.loot = [];
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battle.fleets.forEach(fleet => {
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if (this.winner && !this.winner.player.is(fleet.player)) {
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fleet.ships.forEach(ship => {
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var luck = random.random();
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if (luck > 0.9) {
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// Salvage a supposedly transported item
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var transported = this.generateLootItem(random, ship.level.get());
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if (transported) {
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this.loot.push(transported);
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}
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} else if (luck > 0.5) {
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// Salvage one equipped item
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var token = ship.getRandomEquipment(random);
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if (token) {
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token.detach();
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this.loot.push(token);
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}
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}
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});
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}
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});
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}
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/**
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* Grant experience to participating fleets
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*/
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grantExperience(fleets: Fleet[]) {
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fleets.forEach(fleet => {
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let winfactor = (fleet == this.winner) ? 0.03 : (this.draw ? 0.01 : 0.005);
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let enemies = flatten(fleets.filter(f => f !== fleet).map(f => f.ships));
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let difficulty = sum(enemies.map(enemy => 100 + enemy.level.getExperience()));
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fleet.ships.forEach(ship => {
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ship.level.addExperience(Math.floor(difficulty * winfactor));
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ship.level.checkLevelUp();
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});
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});
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}
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/**
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* Create a loot generator for lucky finds
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*/
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getLootGenerator(random: RandomGenerator): LootGenerator {
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return new LootGenerator(random);
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}
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/**
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* Generate a loot item for the winner fleet
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*
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* The equipment will be in the dead ship range
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*/
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generateLootItem(random: RandomGenerator, base_level: number): Equipment | null {
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let generator = this.getLootGenerator(random);
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let level = random.randInt(Math.max(base_level - 1, 1), base_level + 1);
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let quality = random.random();
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return generator.generate(level, this.getQuality(quality));
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}
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/**
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* Get the quality enum matching a 0-1 value
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*/
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getQuality(quality: number): EquipmentQuality {
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if (quality < 0.1) {
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return EquipmentQuality.WEAK;
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} else if (quality > 0.99) {
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return EquipmentQuality.LEGENDARY;
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} else if (quality > 0.95) {
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return EquipmentQuality.PREMIUM;
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} else if (quality > 0.8) {
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return EquipmentQuality.FINE;
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} else {
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return EquipmentQuality.COMMON;
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}
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}
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}
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}
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