import type { Vec3 } from '../math/vec3.js';
import type { PmoveAccelerateParams, PmoveCmd, PmoveFrictionParams, PmoveWishParams, PmoveWishResult, PmoveState, PmoveImports } from './types.js';
/**
 * Pure version of PM_Friction from rerelease p_move.cpp.
 * Handles ground and water friction and returns a new velocity.
 */
export declare function applyPmoveFriction(params: PmoveFrictionParams): Vec3;
/**
 * Pure version of PM_Accelerate from rerelease p_move.cpp.
 * Returns a new velocity with wishdir/wishspeed acceleration applied.
 */
export declare function applyPmoveAccelerate(params: PmoveAccelerateParams): Vec3;
/**
 * Mirrors PM_AirAccelerate in rerelease `p_move.cpp` (lines ~612-636): wishspeed is clamped
 * to 30 for the addspeed calculation but the acceleration magnitude still uses the full wishspeed.
 */
export declare function applyPmoveAirAccelerate(params: PmoveAccelerateParams): Vec3;
/**
 * Pure mirror of PM_CmdScale from rerelease `p_move.cpp`. Computes the scalar applied to
 * the command directional inputs so that the resulting wish velocity caps at `maxSpeed`
 * regardless of the directional mix.
 */
export declare function pmoveCmdScale(cmd: PmoveCmd, maxSpeed: number): number;
/**
 * Computes wishdir/wishspeed for ground/air movement as done in PM_AirMove and
 * PM_GroundMove. Z is forced to zero and wishspeed is clamped to maxSpeed, matching
 * the rerelease p_move.cpp helpers before they call PM_Accelerate/PM_AirAccelerate.
 */
export declare function buildAirGroundWish(params: PmoveWishParams): PmoveWishResult;
/**
 * Computes the wishdir/wishspeed mix for water movement, matching PM_WaterMove in
 * rerelease p_move.cpp: includes the upward bias when no strong upmove is requested,
 * clamps wishspeed to maxSpeed, and halves the returned wishspeed before acceleration.
 */
export declare function buildWaterWish(params: PmoveWishParams): PmoveWishResult;
/**
 * Runs the full player movement simulation for a single frame.
 */
export declare function runPmove(state: PmoveState, imports: PmoveImports): PmoveState;
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