// #define VEHICLES_USE_ODE

// vehicle cvars
float autocvar_g_vehicles;
float autocvar_g_vehicles_enter;
float autocvar_g_vehicles_enter_radius;
float autocvar_g_vehicles_steal;
float autocvar_g_vehicles_crush_dmg;
float autocvar_g_vehicles_crush_force;
float autocvar_g_vehicles_delayspawn;
float autocvar_g_vehicles_delayspawn_jitter;
float autocvar_g_vehicles_allow_bots;
var float autocvar_g_vehicles_nex_damagerate = 0.5;
var float autocvar_g_vehicles_uzi_damagerate = 0.5;
var float autocvar_g_vehicles_rifle_damagerate = 0.75;
var float autocvar_g_vehicles_minstanex_damagerate = 0.001;
var float autocvar_g_vehicles_tag_damagerate = 5;

// vehicle definitions
.entity gun1;
.entity gun2;
.entity gun3;
.entity vehicle_shieldent;  /// Entity to disply the shild effect on damage
.entity vehicle;
.entity vehicle_viewport;
.entity vehicle_hudmodel;
.entity vehicle_controller;

.entity gunner1;
.entity gunner2;

.float vehicle_health;      /// If self is player this is 0..100 indicating precentage of health left on vehicle. If self is vehile, this is the real health value.
.float vehicle_energy;      /// If self is player this is 0..100 indicating precentage of energy left on vehicle. If self is vehile, this is the real energy value.
.float vehicle_shield;      /// If self is player this is 0..100 indicating precentage of shield left on vehicle. If self is vehile, this is the real shield value.

.float vehicle_ammo1;   /// If self is player this field's use depends on the individual vehile. If self is vehile, this is the real ammo1 value.
.float vehicle_reload1; /// If self is player this field's use depends on the individual vehile. If self is vehile, this is the real reload1 value.
.float vehicle_ammo2;   /// If self is player this field's use depends on the individual vehile. If self is vehile, this is the real ammo2 value.
.float vehicle_reload2; /// If self is player this field's use depends on the individual vehile. If self is vehile, this is the real reload2 value.

.float sound_nexttime;
#define VOL_VEHICLEENGINE 1

const float SVC_SETVIEWPORT   = 5;   // Net.Protocol 0x05
const float SVC_SETVIEWANGLES = 10;  // Net.Protocol 0x0A
const float SVC_UPDATEENTITY  = 128; // Net.Protocol 0x80

#define VHSF_NORMAL 0
#define VHSF_FACTORY 2

.float hud;
.float dmg_time;

.float volly_counter;

const float MAX_AXH = 4;
.entity AuxiliaryXhair[MAX_AXH];

.entity wps_intruder;

.entity lock_target;
.float  lock_strength;
.float  lock_time;
.float  lock_soundtime;
const float	DAMAGE_TARGETDRONE = 10;

float  force_fromtag_power;
float  force_fromtag_normpower;
vector force_fromtag_origin;

float vehicles_exit_running;

#ifdef VEHICLES_USE_ODE
void(entity e, float physics_enabled) physics_enable = #540; // enable or disable physics on object
void(entity e, vector force, vector force_pos) physics_addforce = #541; // apply a force from certain origin, length of force vector is power of force
void(entity e, vector torque) physics_addtorque = #542; // add relative torque
#endif  // VEHICLES_USE_ODE

// functions used outside the vehicle code
void vehicles_exit(float eject);
void vehicles_enter(entity pl, entity veh);

// vehicle functions
.void(float _spawnflag) vehicle_spawn;  /// Vehicles custom fucntion to be efecuted when vehicle (re)spawns
.float(float _imp) vehicles_impulse;
.float vehicle_weapon2mode = volly_counter;
.void(float exit_flags) vehicle_exit;
const float VHEF_NORMAL = 0;  /// User pressed exit key
const float VHEF_EJECT  = 1;  /// User pressed exit key 3 times fast (not implemented) or vehile is dying
const float VHEF_RELESE = 2;  /// Release ownership, client possibly allready dissconnected / went spec / changed team / used "kill" (not implemented)

// macros
#define VEHICLE_UPDATE_PLAYER(ply,fld,vhname) \
	ply.vehicle_##fld = (self.vehicle_##fld / autocvar_g_vehicle_##vhname##_##fld) * 100

#define vehicles_sweap_collision(orig,vel,dt,acm,mult) \
	traceline(orig, orig + vel * dt, MOVE_NORMAL, self); \
	if(trace_fraction != 1) \
		acm += normalize(self.origin - trace_endpos) * (vlen(vel) * mult)