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72 lines
2.8 KiB
72 lines
2.8 KiB
3 weeks ago
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import type { BattleServices } from '../combat/BattleServices';
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import type { Cell } from '../battlefield/Cell';
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import type { DeployResult, DeployRule } from './DeployTypes';
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import { BattlePhase } from '../core/BattlePhase';
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/** 仅允许 PREP 阶段部署（连续模式放宽） */
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export class PrepPhaseOnlyRule implements DeployRule {
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check(services: BattleServices, _playerId: number, _unitDefId: string, cells: Cell[]): DeployResult {
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if (services.phase !== BattlePhase.PREP && !services.isContinuousFlow) {
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return { ok: false, reason: 'not_prep_phase' };
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}
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return { ok: true, cells };
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}
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}
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/** 格子必须在玩家部署区域内 */
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export class InPlayerRegionRule implements DeployRule {
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check(services: BattleServices, playerId: number, _unitDefId: string, cells: Cell[]): DeployResult {
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const player = services.players[playerId];
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if (!player) return { ok: false, reason: 'invalid_player' };
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for (const c of cells) {
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if (!player.region.contains(c)) return { ok: false, reason: 'out_of_region' };
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}
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return { ok: true, cells };
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}
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}
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/** 格子必须未被 ECS 占用（合成格由 DeploySync 在部署前同步 buildable） */
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export class CellEmptyRule implements DeployRule {
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check(services: BattleServices, _playerId: number, _unitDefId: string, cells: Cell[]): DeployResult {
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for (const c of cells) {
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const s = services.grid.getCell(c);
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if (!s) return { ok: false, reason: 'out_of_bounds' };
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if (s.occupant != null) return { ok: false, reason: 'cell_occupied' };
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}
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return { ok: true, cells };
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}
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}
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/** 玩家金币必须足够 */
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export class EnoughGoldRule implements DeployRule {
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check(services: BattleServices, playerId: number, unitDefId: string, _cells: Cell[]): DeployResult {
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const def = services.config.getUnit(unitDefId);
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const cost = def?.deploy?.cost ?? 0;
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const player = services.players[playerId];
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if (!player || player.gold < cost) return { ok: false, reason: 'not_enough_gold' };
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return { ok: true };
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}
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}
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/** 占地形状必须在地图范围内 */
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export class ShapeInBoundsRule implements DeployRule {
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check(services: BattleServices, _playerId: number, _unitDefId: string, cells: Cell[]): DeployResult {
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for (const c of cells) {
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if (!services.grid.inBounds(c)) return { ok: false, reason: 'out_of_bounds' };
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}
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return { ok: true, cells };
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}
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}
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/** @returns 默认部署规则链 */
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export function createDefaultDeployRules(): DeployRule[] {
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return [
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new PrepPhaseOnlyRule(),
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new ShapeInBoundsRule(),
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new InPlayerRegionRule(),
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new CellEmptyRule(),
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];
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}
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export type { DeployRule };
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