#ifndef VEHICLE_H
#define VEHICLE_H

// vehicle requests
const int VR_SETUP          = 1; // (BOTH) setup vehicle data
.bool(entity) vr_setup;
const int VR_THINK		  	= 2; // (SERVER) logic to run every frame
.bool(entity) vr_think;
const int VR_DEATH          = 3; // (SERVER) called when vehicle dies
.bool(entity) vr_death;
const int VR_PRECACHE       = 4; // (BOTH) precaches models/sounds used by this vehicle
.bool(entity) vr_precache;
const int VR_ENTER          = 5; // (SERVER) called when a player enters this vehicle
.bool(entity) vr_enter;
const int VR_SPAWN          = 6; // (SERVER) called when the vehicle re-spawns
.bool(entity) vr_spawn;
const int VR_IMPACT         = 7; // (SERVER) called when a vehicle hits something
.bool(entity) vr_impact;
const int VR_HUD            = 8; // (CLIENT) logic to run every frame
.bool(entity) vr_hud;

// vehicle spawn flags (need them here for common registrations)
const int VHF_ISVEHICLE			= 2; /// Indicates vehicle
const int VHF_HASSHIELD			= 4; /// Vehicle has shileding
const int VHF_SHIELDREGEN		= 8; /// Vehicles shield regenerates
const int VHF_HEALTHREGEN		= 16; /// Vehicles health regenerates
const int VHF_ENERGYREGEN		= 32; /// Vehicles energy regenerates
const int VHF_DEATHEJECT		= 64; /// Vehicle ejects pilot upon fatal damage
const int VHF_MOVE_GROUND		= 128; /// Vehicle moves on gound
const int VHF_MOVE_HOVER		= 256; /// Vehicle hover close to gound
const int VHF_MOVE_FLY			= 512; /// Vehicle is airborn
const int VHF_DMGSHAKE			= 1024; /// Add random velocity each frame if health < 50%
const int VHF_DMGROLL			= 2048; /// Add random angles each frame if health < 50%
const int VHF_DMGHEADROLL		= 4096; /// Add random head angles each frame if health < 50%
const int VHF_MULTISLOT			= 8192; /// Vehicle has multiple player slots
const int VHF_PLAYERSLOT		= 16384; /// This ent is a player slot on a multi-person vehicle

// functions:
entity get_vehicleinfo(int id);

// fields:
.entity tur_head;

// other useful macros
#define _VEH_ACTION(veh, mrequest) veh.vehicle_func(veh, mrequest)
#define VEH_ACTION(veh, mrequest) _VEH_ACTION(get_vehicleinfo(veh), mrequest)
#define VEH_NAME(veh) (get_vehicleinfo(veh)).vehicle_name

bool v_new(entity, int);

CLASS(Vehicle, Object)
    ATTRIB(Vehicle, vehicleid, int, 0)
    /** hud icon */
    ATTRIB(Vehicle, m_icon, string, string_null)
    /** short name */
    ATTRIB(Vehicle, netname, string, "")
    /** human readable name */
    ATTRIB(Vehicle, vehicle_name, string, "Vehicle")
    /**  */
    ATTRIB(Vehicle, vehicle_func, bool(Vehicle, int), v_new)
    /** full name of model */
    ATTRIB(Vehicle, model, string, "")
    /** currently a copy of the model */
    ATTRIB(Vehicle, mdl, string, "")
    /** full name of tur_head model */
    ATTRIB(Vehicle, head_model, string, "")
    /** cockpit model */
    ATTRIB(Vehicle, hud_model, string, "")
    /** tur_head model tag */
    ATTRIB(Vehicle, tag_head, string, string_null)
    /** hud model tag */
    ATTRIB(Vehicle, tag_hud, string, string_null)
    /** cockpit model tag */
    ATTRIB(Vehicle, tag_view, string, string_null)
    /** player physics mod */
    ATTRIB(Vehicle, PlayerPhysplug, int(), func_null)
    /**  */
    ATTRIB(Vehicle, spawnflags, int, 0)
    /** vehicle hitbox size */
    ATTRIB(Vehicle, mins, vector, '-0 -0 -0')
    /** vehicle hitbox size */
    ATTRIB(Vehicle, maxs, vector, '0 0 0')
ENDCLASS(Vehicle)

bool v_new(Vehicle this, int req)
{
    if (req == VR_SETUP) return this.vr_setup ? this.vr_setup(this) : false;
    if (req == VR_THINK) return this.vr_think ? this.vr_think(this) : false;
    if (req == VR_DEATH) return this.vr_death ? this.vr_death(this) : false;
    if (req == VR_PRECACHE) return this.vr_precache ? this.vr_precache(this) : false;
    if (req == VR_ENTER) return this.vr_enter ? this.vr_enter(this) : false;
    if (req == VR_SPAWN) return this.vr_spawn ? this.vr_spawn(this) : false;
    if (req == VR_IMPACT) return this.vr_impact ? this.vr_impact(this) : false;
    if (req == VR_HUD) return this.vr_hud ? this.vr_hud(this) : false;
    return false;
}

#endif