extends Resource
class_name MovementParams

# ── Ground ────────────────────────────────────────────────────────────────────
@export var walk_speed: float = 11.0
@export var crouch_speed: float = 4.5
@export var ground_friction: float = 10.0
@export var ground_acceleration: float = 60.0
@export var ground_deceleration: float = 45.0

# ── Jump / Air ────────────────────────────────────────────────────────────────
@export var jump_velocity: float = 8.5
@export var coyote_time: float = 0.15
@export var jump_buffer: float = 0.12
@export var air_control: float = 0.35
@export var air_acceleration: float = 30.0
@export var max_air_speed: float = 18.0
@export var gravity: float = 22.0
@export var fall_multiplier: float = 2.0
@export var low_jump_multiplier: float = 1.6

# ── Air Strafe (Quake-style) ──────────────────────────────────────────────────
# Classic accelerate: only the velocity component along wish_dir is capped, so
# turning while strafing genuinely gains speed (up to max_air_speed overall).
@export var air_strafe_accel: float = 90.0
@export var air_wish_speed_cap: float = 2.5   # per-tick projection cap (m/s), quake-style
# Direct steering: bends existing horizontal velocity toward the input without
# changing its magnitude, so air direction changes feel light and responsive.
@export var air_steer_rate: float = 5.0

# ── Bunny Hop ─────────────────────────────────────────────────────────────────
@export var bunny_hop_impulse: float = 1.1
@export var bunny_hop_speed_gain: float = 0.7
@export var bunny_hop_speed_cap: float = 20.0

# ── Slide ─────────────────────────────────────────────────────────────────────
@export var slide_speed: float = 14.0
@export var slide_boost: float = 3.0             # flat entry boost when grounded and fast
@export var slide_friction_flat: float = 2.2     # m/s^2 decel on flat ground (low = long slides)
@export var slide_slope_accel: float = 16.0      # downhill acceleration from gravity projection
@export var slide_min_speed: float = 4.0
@export var slide_cooldown: float = 0.35         # prevents rapid slide re-entry
@export var slide_steer_rate: float = 2.5        # how fast slide direction bends toward input
@export var slide_jump_speed_boost: float = 1.5  # extra m/s added when jumping out of slide

# ── Wall Run ──────────────────────────────────────────────────────────────────
@export var wall_run_speed: float = 13.0
@export var wall_run_accel: float = 18.0          # accelerate toward run speed (no hard set)
@export var wall_run_duration: float = 1.8
@export var wall_run_gravity: float = 5.0
@export var wall_run_entry_max_up: float = 3.5    # keep this much upward momentum on attach
@export var wall_run_auto_jump_speed: float = 10.0
@export var wall_run_jump_horizontal: float = 8.0
@export var wall_run_jump_off_normal: float = 6.0
@export var wall_angle_threshold: float = 70.0
@export var wall_detect_distance: float = 0.8
@export var wall_ray_up_height: float = 0.6
@export var wall_ray_down_height: float = 0.0

# ── Wall Climb ────────────────────────────────────────────────────────────────
@export var wall_climb_speed: float = 6.5
@export var wall_climb_duration: float = 2.2
@export var wall_climb_max_angle: float = 75.0
@export var wall_climb_vault_forward: float = 14.0
@export var wall_climb_vault_up: float = 12.0
@export var wall_climb_vault_height_check: float = 1.0

# ── Jumping ───────────────────────────────────────────────────────────────────
@export var jump_cooldown: float = 0.12

# ── Wall Cling ────────────────────────────────────────────────────────────────
@export var wall_cling_slide_speed: float = -1.5
@export var wall_cling_stamina_drain: float = 1.0
@export var wall_cling_max_stamina: float = 2.5

# ── Grapple ───────────────────────────────────────────────────────────────────
@export var grapple_range: float = 35.0
@export var grapple_pull_force: float = 18.0      # constant reel toward the hook
@export var grapple_reel_force: float = 22.0      # extra reel while holding forward
@export var grapple_jump_boost: float = 12.0
@export var grapple_spring_strength: float = 14.0
@export var grapple_air_control: float = 24.0
@export var grapple_shoot_speed: float = 70.0     # hook travel speed (m/s)

# ── Dash ──────────────────────────────────────────────────────────────────────
@export var dash_speed: float = 13.0
@export var dash_duration: float = 0.18
@export var dash_charges: int = 2           # dashes available before recharging
@export var dash_cooldown: float = 2.0      # seconds to regain ONE charge
@export var dash_invulnerability_time: float = 0.1

# ── Landing feel ──────────────────────────────────────────────────────────────
@export var land_soft_speed: float = 8.0    # fall speed where landing feedback starts
@export var land_heavy_speed: float = 18.0  # fall speed considered a heavy landing

# ── Crouch ────────────────────────────────────────────────────────────────────
@export var crouch_transition_speed: float = 12.0  # capsule/camera height lerp rate

# ── Rocket Jump ───────────────────────────────────────────────────────────────
@export var rocket_jump_self_damage: float = 15.0
@export var rocket_jump_up_impulse: float = 20.0
@export var rocket_jump_explosion_radius: float = 6.0
@export var rocket_jump_falloff: float = 1.5

# ── Shotgun Jump ──────────────────────────────────────────────────────────────
@export var shotgun_jump_impulse: float = 12.0

# ── Double Jump ───────────────────────────────────────────────────────────────
@export var double_jump_velocity: float = 8.0
@export var double_jump_max_count: int = 2  # 1 base jump + 1 double

# ── Chaining ──────────────────────────────────────────────────────────────────
@export var chain_bonus_per_success: float = 0.05
@export var chain_bonus_cap: float = 0.25
@export var chain_bonus_decay_rate: float = 0.5
@export var chain_window: float = 1.5

# ── Camera ────────────────────────────────────────────────────────────────────
@export var mouse_sensitivity: float = 0.002
@export var base_fov: float = 90.0
@export var dash_fov: float = 110.0
@export var fov_lerp_speed: float = 10.0
@export var head_bob_frequency: float = 12.0
@export var head_bob_amplitude: float = 0.04
@export var wall_run_tilt_angle: float = 12.0
@export var wall_run_tilt_speed: float = 8.0
@export var slide_tilt_angle: float = 4.0
@export var land_dip_scale: float = 0.012    # camera dip per m/s of landing speed
@export var land_dip_max: float = 0.25       # max camera dip on heavy landings