+#ifndef WARPZONELIB_COMMON_H
+#define WARPZONELIB_COMMON_H
+
// uncomment this if your mod uses the roll angle in fixangle
// #define KEEP_ROLL
.float warpzone_fadestart;
.float warpzone_fadeend;
void WarpZone_SetUp(entity e, vector my_org, vector my_ang, vector other_org, vector other_ang);
+void WarpZone_Camera_SetUp(entity e, vector my_org, vector my_ang);
float WarpZoneLib_BoxTouchesBrush(vector mi, vector ma, entity e, entity ig);
vector WarpZoneLib_NearestPointOnBox(vector mi, vector ma, vector org);
#define MOVE_NOTHING -1
entity WarpZone_trace_forent; // temp, callback is allowed to change it
typedef void(vector start, vector hit, vector end) WarpZone_trace_callback_t; // called on every elementary trace
-const var WarpZone_trace_callback_t WarpZone_trace_callback_t_null;
+var WarpZone_trace_callback_t WarpZone_trace_callback_t_null;
entity WarpZone_trace_transform; // transform accumulator during a trace
entity WarpZone_trace_firstzone; // first warpzone hit by a trace (can differ from the requested zone in case of _ThroughZone, the trace is aborted then)
entity WarpZone_trace_lastzone; // first warpzone hit by a trace (can differ from the requested zone in case of _ThroughZone, the trace is aborted then)
vector WarpZone_UnTransformVAngles(entity wz, vector v);
// reference systems (chained warpzone transforms)
-void WarpZone_RefSys_Add(entity me, entity wz);
-void WarpZone_RefSys_AddIncrementally(entity me, entity ref);
-void WarpZone_RefSys_BeginAddingIncrementally(entity me, entity ref);
-vector WarpZone_RefSys_TransformOrigin(entity from, entity to, vector org);
-vector WarpZone_RefSys_TransformVelocity(entity from, entity to, vector vel);
-vector WarpZone_RefSys_TransformAngles(entity from, entity to, vector ang);
-vector WarpZone_RefSys_TransformVAngles(entity from, entity to, vector ang);
-entity WarpZone_RefSys_SpawnSameRefSys(entity me);
-void WarpZone_RefSys_MakeSameRefSys(entity to, entity from);
+void WarpZone_RefSys_Clear(entity me); // R := id
+void WarpZone_RefSys_Add(entity me, entity wz); // me.R := wz me.R
+void WarpZone_RefSys_AddInverse(entity me, entity wz); // me.R := wz^-1 me.R
+void WarpZone_RefSys_AddTransform(entity me, vector t, vector s); // me.R := [t s] me.R
+void WarpZone_RefSys_AddInverseTransform(entity me, vector t, vector s); // me.R := [t s]^-1 me.R
+
+// makes this reference system track ref's changes
+// NOTE: this is ONLY sensible if WarpZone_RefSys_Add is no longer called on "me" while doing this
+// To achieve this, make sure no touch events on warpzone are raised by this entity
+// or set a movetype that causes no warpzoning (e.g. MOVETYPE_NONE, MOVETYPE_FOLLOW)
+void WarpZone_RefSys_AddIncrementally(entity me, entity ref); // me.R := ref.R me.Rref^-1 me.R; me.Rref := ref.R
+void WarpZone_RefSys_BeginAddingIncrementally(entity me, entity ref); // me.Rref := ref.R
+
+vector WarpZone_RefSys_TransformOrigin(entity from, entity to, vector org); // return to.R from.R^-1 org
+vector WarpZone_RefSys_TransformVelocity(entity from, entity to, vector vel); // return to.R from.R^-1 vel
+vector WarpZone_RefSys_TransformAngles(entity from, entity to, vector ang); // return to.R from.R^-1 ang
+vector WarpZone_RefSys_TransformVAngles(entity from, entity to, vector ang); // return to.R from.R^-1 ang
+void WarpZone_RefSys_Copy(entity me, entity from); // to.R := from.R
+entity WarpZone_RefSys_SpawnSameRefSys(entity me); // spawn().R = me.R
#ifndef BITCLR
# define BITCLR(a,b) ((a) - ((a) & (b)))
#ifndef BITXOR_ASSIGN
# define BITXOR_ASSIGN(a,b) ((a) = ((a) | (b)) - ((a) & (b)))
#endif
+float WarpZoneLib_MoveOutOfSolid(entity e);
+#define move_out_of_solid(e) WarpZoneLib_MoveOutOfSolid(e)
+
+float WarpZoneLib_ExactTrigger_Touch();
+void WarpZoneLib_ExactTrigger_Init();
+
+// WARNING: this kills the trace globals
+#define EXACTTRIGGER_TOUCH if(WarpZoneLib_ExactTrigger_Touch()) return
+#define EXACTTRIGGER_INIT WarpZoneLib_ExactTrigger_Init()
+#endif