415 lines
14 KiB
TypeScript
415 lines
14 KiB
TypeScript
/// <reference path="Serializable.ts"/>
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module TS.SpaceTac.Game {
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// A single ship in a Fleet
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export class Ship extends Serializable {
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// Fleet this ship is a member of
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fleet: Fleet;
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// Level of this ship
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level: number;
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// Name of the ship
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name: string;
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// Code of the ShipModel used to create it
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model: string;
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// Flag indicating if the ship is alive
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alive: boolean;
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// Position in the arena
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arena_x: number;
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arena_y: number;
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// Facing direction in the arena
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arena_angle: number;
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// Initiative (high numbers will allow this ship to play sooner)
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initiative: Attribute;
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// Current number of action points
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ap_current: Attribute;
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// Initial number of action points, at the start of a battle
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ap_initial: Attribute;
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// Number of action points recovered by turn
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ap_recover: Attribute;
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// Number of hull points (once it reaches 0, the ship is dead)
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hull: Attribute;
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// Number of shield points (a shield can absorb some damage to protect the hull)
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shield: Attribute;
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// Sticky effects that applies a given number of times
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sticky_effects: StickyEffect[];
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// Capabilities level
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cap_material: Attribute;
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cap_energy: Attribute;
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cap_electronics: Attribute;
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cap_human: Attribute;
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cap_time: Attribute;
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cap_gravity: Attribute;
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// List of slots, able to contain equipment
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slots: Slot[];
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// Collection of available attributes
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attributes: AttributeCollection;
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// Boolean set to true if the ship is currently playing its turn
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playing = false;
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// Create a new ship inside a fleet
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constructor(fleet: Fleet = null, name: string = null) {
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super();
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this.attributes = new AttributeCollection();
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this.fleet = fleet || new Fleet();
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this.level = 1;
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this.name = name;
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this.model = "default";
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this.alive = true;
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this.initiative = this.newAttribute(AttributeCode.Initiative);
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this.initiative.setMaximal(1);
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this.ap_current = this.newAttribute(AttributeCode.AP);
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this.ap_initial = this.newAttribute(AttributeCode.AP_Initial);
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this.ap_recover = this.newAttribute(AttributeCode.AP_Recovery);
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this.hull = this.newAttribute(AttributeCode.Hull);
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this.shield = this.newAttribute(AttributeCode.Shield);
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this.cap_material = this.newAttribute(AttributeCode.Cap_Material);
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this.cap_energy = this.newAttribute(AttributeCode.Cap_Energy);
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this.cap_electronics = this.newAttribute(AttributeCode.Cap_Electronics);
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this.cap_human = this.newAttribute(AttributeCode.Cap_Human);
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this.cap_time = this.newAttribute(AttributeCode.Cap_Time);
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this.cap_gravity = this.newAttribute(AttributeCode.Cap_Gravity);
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this.sticky_effects = [];
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this.slots = [];
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this.arena_x = 0;
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this.arena_y = 0;
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this.arena_angle = 0;
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if (fleet) {
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fleet.addShip(this);
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}
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}
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// Returns true if the ship is able to play
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// If *check_ap* is true, ap_current=0 will make this function return false
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isAbleToPlay(check_ap: boolean = true): boolean {
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var ap_checked = !check_ap || this.ap_current.current > 0;
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return this.alive && ap_checked;
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}
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// Create and register an attribute
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newAttribute(code: AttributeCode): Attribute {
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return this.attributes.getRawAttr(code);
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}
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// Set position in the arena
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// This does not consumes action points
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setArenaPosition(x: number, y: number) {
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this.arena_x = x;
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this.arena_y = y;
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}
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// Set facing angle in the arena
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setArenaFacingAngle(angle: number) {
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this.arena_angle = angle;
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}
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// String repr
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jasmineToString(): string {
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return "Ship " + this.name;
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}
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// Make an initiative throw, to resolve play order in a battle
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throwInitiative(gen: RandomGenerator): void {
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this.initiative.set(gen.throw(this.initiative.maximal));
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}
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// Return the player owning this ship
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getPlayer(): Player {
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if (this.fleet) {
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return this.fleet.player;
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} else {
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return null;
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}
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}
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// get the current battle this ship is engaged in
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getBattle(): Battle {
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if (this.fleet) {
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return this.fleet.battle;
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} else {
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return null;
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}
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}
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// Get the list of actions available
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// This list does not filter out actions unavailable due to insufficient AP, it only filters out
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// actions that are not allowed/available at all on the ship
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getAvailableActions(): BaseAction[] {
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var actions: BaseAction[] = [];
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this.slots.forEach((slot: Slot) => {
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if (slot.attached && slot.attached.action) {
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actions.push(slot.attached.action);
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}
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});
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actions.push(new EndTurnAction());
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return actions;
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}
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// Add an event to the battle log, if any
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addBattleEvent(event: BaseLogEvent): void {
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var battle = this.getBattle();
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if (battle && battle.log) {
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battle.log.add(event);
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}
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}
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// Set an attribute value
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// If offset is true, the value will be added to current value
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// If log is true, an attribute event will be added to the battle log
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setAttribute(attr: Attribute, value: number, offset: boolean = false, log: boolean = true) {
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var changed: boolean;
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if (offset) {
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changed = attr.add(value);
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} else {
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changed = attr.set(value);
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}
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if (changed && log) {
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this.addBattleEvent(new AttributeChangeEvent(this, attr));
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}
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}
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// Initialize the action points counter
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// This should be called once at the start of a battle
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// If no value is provided, the attribute ap_initial will be used
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initializeActionPoints(value: number = null): void {
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if (value === null) {
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value = this.ap_initial.current;
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}
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this.setAttribute(this.ap_current, value);
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}
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// Recover action points
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// This should be called once at the end of a turn
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// If no value is provided, the current attribute ap_recovery will be used
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recoverActionPoints(value: number = null): void {
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if (value === null) {
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value = this.ap_recover.current;
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}
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this.setAttribute(this.ap_current, value, true);
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}
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// Consumes action points
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useActionPoints(value: number): void {
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this.setAttribute(this.ap_current, -value, true);
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}
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// Method called at the start of battle
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startBattle() {
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this.updateAttributes();
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this.restoreHealth();
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this.initializeActionPoints();
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}
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// Method called at the start of this ship turn
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startTurn(): void {
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if (this.playing) {
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console.error("startTurn called twice", this);
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return;
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}
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this.playing = true;
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// Recompute attributes
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this.updateAttributes();
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// Apply sticky effects
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this.sticky_effects.forEach(effect => effect.startTurn(this));
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this.cleanStickyEffects();
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}
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// Method called at the end of this ship turn
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endTurn(): void {
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if (!this.playing) {
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console.error("endTurn called before startTurn", this);
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return;
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}
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this.playing = false;
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// Recover action points for next turn
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this.recoverActionPoints();
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// Apply sticky effects
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this.sticky_effects.forEach(effect => effect.endTurn(this));
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this.cleanStickyEffects();
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}
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/**
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* Register a sticky effect
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*
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* Pay attention to pass a copy, not the original equipment effect, because it will be modified
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*/
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addStickyEffect(effect: StickyEffect, log = true): void {
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this.sticky_effects.push(effect);
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if (log) {
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this.addBattleEvent(new EffectAddedEvent(this, effect));
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}
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}
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/**
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* Clean sticky effects that are no longer active
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*/
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cleanStickyEffects() {
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let [active, ended] = Tools.binpartition(this.sticky_effects, effect => effect.duration > 0);
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this.sticky_effects = active;
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ended.forEach(effect => this.addBattleEvent(new EffectRemovedEvent(this, effect)));
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}
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// Move toward a location
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// This does not check or consume action points
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moveTo(x: number, y: number, log: boolean = true): void {
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var angle = Math.atan2(y - this.arena_y, x - this.arena_x);
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this.setArenaFacingAngle(angle);
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this.setArenaPosition(x, y);
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if (log) {
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this.addBattleEvent(new MoveEvent(this, x, y));
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}
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}
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// Set the death status on this ship
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setDead(log: boolean = true): void {
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this.alive = false;
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if (log) {
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this.addBattleEvent(new DeathEvent(this));
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}
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}
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// Apply damages to hull and/or shield
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addDamage(hull: number, shield: number, log: boolean = true): void {
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this.setAttribute(this.shield, -shield, true, log);
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this.setAttribute(this.hull, -hull, true, log);
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if (log) {
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this.addBattleEvent(new DamageEvent(this, hull, shield));
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}
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if (this.hull.current === 0) {
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// Ship is dead
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this.setDead(log);
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}
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}
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// Add an empty equipment slot of the given type
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addSlot(type: SlotType): Slot {
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var result = new Slot(this, type);
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this.slots.push(result);
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return result;
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}
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// List all attached equipments of a given type (all types if null)
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listEquipment(slottype: SlotType = null): Equipment[] {
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var result: Equipment[] = [];
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this.slots.forEach((slot: Slot) => {
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if (slot.type === slottype && slot.attached) {
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result.push(slot.attached);
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}
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});
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return result;
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}
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// Get the number of attached equipments
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getEquipmentCount(): number {
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var result = 0;
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this.slots.forEach((slot: Slot) => {
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if (slot.attached) {
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result++;
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}
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});
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return result;
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}
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// Get a random attached equipment, null if no equipment is attached
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getRandomEquipment(random: RandomGenerator = new RandomGenerator()): Equipment {
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var count = this.getEquipmentCount();
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if (count === 0) {
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return null;
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} else {
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var picked = random.throwInt(0, count - 1);
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var result: Equipment = null;
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var index = 0;
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this.slots.forEach((slot: Slot) => {
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if (slot.attached) {
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if (index === picked) {
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result = slot.attached;
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}
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index++;
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}
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});
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return result;
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}
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}
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// Update attributes, taking into account attached equipment and active effects
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updateAttributes(): void {
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// TODO Something more generic
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// Compute new maximal values for attributes
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var new_attrs = new AttributeCollection();
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this.collectEffects("attrmax").forEach((effect: AttributeMaxEffect) => {
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new_attrs.addValue(effect.attrcode, effect.value);
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});
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this.initiative.setMaximal(new_attrs.getValue(AttributeCode.Initiative));
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this.ap_current.setMaximal(new_attrs.getValue(AttributeCode.AP));
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this.hull.setMaximal(new_attrs.getValue(AttributeCode.Hull));
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this.shield.setMaximal(new_attrs.getValue(AttributeCode.Shield));
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// Compute new current values for attributes
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new_attrs = new AttributeCollection();
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this.collectEffects("attr").forEach((effect: AttributeMaxEffect) => {
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new_attrs.addValue(effect.attrcode, effect.value);
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});
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this.ap_initial.set(new_attrs.getValue(AttributeCode.AP_Initial));
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this.ap_recover.set(new_attrs.getValue(AttributeCode.AP_Recovery));
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}
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// Fully restore hull and shield
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restoreHealth(): void {
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this.hull.set(this.hull.maximal);
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this.shield.set(this.shield.maximal);
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}
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// Collect all effects to apply for updateAttributes
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private collectEffects(code: string = null): BaseEffect[] {
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var result: BaseEffect[] = [];
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this.slots.forEach((slot: Slot) => {
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if (slot.attached) {
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slot.attached.permanent_effects.forEach((effect: BaseEffect) => {
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if (effect.code === code) {
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result.push(effect);
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}
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});
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}
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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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