.vector warpzone_origin;
.vector warpzone_angles;
.vector warpzone_forward;
.vector warpzone_targetorigin;
.vector warpzone_targetangles;
.vector warpzone_targetforward;
.vector warpzone_transform;
void WarpZone_SetUp(entity e, vector my_org, vector my_ang, vector other_org, vector other_ang);

float FL_CAMERA = 8192;

float WarpZoneLib_BoxTouchesBrush(vector mi, vector ma, entity e, entity ig);

entity WarpZone_Find(vector mi, vector ma);
void WarpZone_MakeAllSolid();
void WarpZone_MakeAllOther();

var void(void) WarpZone_trace_callback; // called after every trace
vector WarpZone_trace_angles; // total angles accumulator
vector WarpZone_trace_v_angle; // total v_angle accumulator
vector WarpZone_trace_velocity; // total velocity
vector WarpZone_trace_endpos; // UNtransformed endpos
vector WarpZone_tracetoss_velocity; // ending velocity of a tracetoss (post-transform)
float WarpZone_tracetoss_time; // duration of toss (approximate)
void WarpZone_TraceBox(vector org, vector min, vector max, vector end, float nomonsters, entity forent);
void WarpZone_TraceLine(vector org, vector end, float nomonsters, entity forent);
void WarpZone_TraceToss(entity e, entity forent);
void WarpZone_TrailParticles(entity own, float eff, vector org, vector end);

float WarpZone_PlaneDist(entity wz, vector v);
float WarpZone_TargetPlaneDist(entity wz, vector v);
vector WarpZone_TransformOrigin(entity wz, vector v);
vector WarpZone_TransformVelocity(entity wz, vector v);
vector WarpZone_TransformAngles(entity wz, vector v);
vector WarpZone_TransformVAngles(entity wz, vector v);