Press n or j to go to the next uncovered block, b, p or k for the previous block.
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* @author Timo Lehnertz
*/
import { BoardPosition } from "./BoardPosition";
import { PlayerState } from "./PlayerState";
import { Treasure } from "./Treasure";
/**
* Immutable AllPlayerStates class containing the states of all players
*/
export class AllPlayerStates {
private readonly allPlayerStates: PlayerState[];
public readonly playerIndexToMove: number;
public constructor(
allPlayerStates: PlayerState[],
playerIndexToMove: number
) {
this.allPlayerStates = allPlayerStates;
this.playerIndexToMove = playerIndexToMove;
}
public get playerCount(): number {
return this.allPlayerStates.length;
}
public getPlayerPositions(): BoardPosition[] {
const positions: BoardPosition[] = [];
for (const playerState of this.allPlayerStates) {
positions.push(playerState.position);
}
return positions;
}
private copyPlayerStates(): PlayerState[] {
const newAllPlayerStates: PlayerState[] = [];
for (const playerState of this.allPlayerStates) {
newAllPlayerStates.push(playerState);
}
return newAllPlayerStates;
}
public collectTreasure(
playerIndex: number,
foundTreasure: Treasure
): AllPlayerStates {
const newAllPlayerStates = this.copyPlayerStates();
newAllPlayerStates[playerIndex] =
newAllPlayerStates[playerIndex].collectTreasure(foundTreasure);
return new AllPlayerStates(newAllPlayerStates, this.playerIndexToMove);
}
public removeLastTreasure(playerIndex: number) {
const newAllPlayerStates = this.copyPlayerStates();
newAllPlayerStates[playerIndex] =
newAllPlayerStates[playerIndex].removeLastTreasure();
return new AllPlayerStates(newAllPlayerStates, this.playerIndexToMove);
}
public mutateAll(
mutationCallback: (playerState: PlayerState) => PlayerState
): AllPlayerStates {
const newAllPlayerStates = this.copyPlayerStates();
for (let i = 0; i < newAllPlayerStates.length; i++) {
newAllPlayerStates[i] = mutationCallback(newAllPlayerStates[i]);
}
return new AllPlayerStates(newAllPlayerStates, this.playerIndexToMove);
}
public movePlayer(playerIndex: number, to: BoardPosition): AllPlayerStates {
const newAllPlayerStates = this.copyPlayerStates();
newAllPlayerStates[playerIndex] =
newAllPlayerStates[playerIndex].setPosition(to);
return new AllPlayerStates(newAllPlayerStates, this.playerIndexToMove);
}
public getPlayerToMoveState(): PlayerState {
return this.getPlayerState(this.playerIndexToMove);
}
public getPlayerState(playerIndex: number): PlayerState {
return this.allPlayerStates[playerIndex];
}
public nextPlayer(): AllPlayerStates {
return new AllPlayerStates(
this.allPlayerStates,
(this.playerIndexToMove + 1) % this.allPlayerStates.length
);
}
public prevPlayer(): AllPlayerStates {
let newPlayerIndexToMove = this.playerIndexToMove - 1;
Iif (newPlayerIndexToMove < 0) {
newPlayerIndexToMove = this.allPlayerStates.length - 1;
}
return new AllPlayerStates(this.allPlayerStates, newPlayerIndexToMove);
}
public getPlayerStatesWithAllTreasures(): {
playerIndex: number;
playerState: PlayerState;
}[] {
const playerStates: {
playerIndex: number;
playerState: PlayerState;
}[] = [];
for (let i = 0; i < this.allPlayerStates.length; i++) {
const playerState = this.allPlayerStates[i];
Iif (playerState.remainingTreasureCount === 0) {
playerStates.push({ playerState, playerIndex: i });
}
}
return playerStates;
}
public equals(other: AllPlayerStates): boolean {
Iif (this.playerIndexToMove !== other.playerIndexToMove) {
return false;
}
Iif (this.allPlayerStates.length !== other.allPlayerStates.length) {
return false;
}
for (let i = 0; i < this.allPlayerStates.length; i++) {
const a = this.allPlayerStates[i];
const b = other.allPlayerStates[i];
Iif (!a.equals(b)) {
return false;
}
}
return true;
}
public static create(instance: AllPlayerStates): AllPlayerStates {
const allPlayerStates: PlayerState[] = [];
for (const playerState of instance.allPlayerStates) {
allPlayerStates.push(PlayerState.create(playerState));
}
return new AllPlayerStates(allPlayerStates, instance.playerIndexToMove);
}
}
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