import type { Vec3 } from '@quake2ts/shared';
import type { Entity } from '../entities/entity.js';
import type { EntitySystem } from '../entities/system.js';
export type MutableVec3 = {
    x: number;
    y: number;
    z: number;
};
/**
 * Mirror of the rerelease `M_walkmove` helper without collision.
 * Moves the entity along its yaw plane and always reports success.
 */
export declare function walkMove(self: Entity, yawDegrees: number, distance: number): boolean;
/**
 * Match the rerelease `M_ChangeYaw` turning speed rules.
 * `yaw_speed` is interpreted the same way as Quake II: degrees per tenth-second.
 */
export declare function changeYaw(self: Entity, deltaSeconds: number): void;
export declare const M_ChangeYaw: typeof changeYaw;
export declare function facingIdeal(self: Entity): boolean;
export declare function ai_move(self: Entity, distance: number): void;
export declare function monster_done_dodge(self: Entity): void;
/**
 * Implements strafing logic for monsters (Combat Positioning).
 * Matches rerelease `ai_run_slide` behavior.
 */
export declare function ai_run_slide(self: Entity, distance: number, context: EntitySystem): void;
export declare function ai_stand(self: Entity, dist: number, context: EntitySystem): void;
export declare function ai_walk(self: Entity, dist: number, context: EntitySystem): void;
export declare function ai_turn(self: Entity, distance: number, deltaSeconds: number): void;
export declare function ai_run(self: Entity, dist: number, context: EntitySystem): void;
export declare function ai_charge(self: Entity, dist: number, context: EntitySystem): void;
export declare function ai_face(self: Entity, enemy: Entity | null, distance: number, deltaSeconds: number): void;
export declare function CheckGround(self: Entity, context: EntitySystem): void;
export declare function M_CheckBottomEx(self: Entity, context: EntitySystem): number;
export declare function M_CheckBottom(self: Entity, context: EntitySystem): boolean;
export declare function M_MoveStep(self: Entity, move: Vec3, relink: boolean, context: EntitySystem): boolean;
export declare function M_walkmove(self: Entity, yawDegrees: number, distance: number, context: EntitySystem): boolean;
export declare function SV_StepDirection(self: Entity, yaw: number, dist: number, context: EntitySystem): boolean;
export declare function SV_NewChaseDir(self: Entity, enemy: Entity | null, dist: number, context: EntitySystem): void;
export declare function M_MoveToPath(self: Entity, context: EntitySystem): void;
export declare function M_MoveToGoal(self: Entity, dist: number, context: EntitySystem): boolean;
export declare function G_IdealHoverPosition(ent: Entity, context: EntitySystem): Vec3;
export declare function SV_flystep(ent: Entity, move: Vec3, relink: boolean, context: EntitySystem): boolean;
export declare function M_droptofloor_generic(origin: MutableVec3, mins: Vec3, maxs: Vec3, ceiling: boolean, ignore: Entity, mask: number, allow_partial: boolean, context: EntitySystem): boolean;
export declare function M_droptofloor(ent: Entity, context: EntitySystem): boolean;
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