4 #include "../dpdefs/progsdefs.qh"
5 #include "../dpdefs/dpextensions.qh"
6 #include "../common/vehicles/sv_vehicles.qh"
7 #include "../common/vehicles/vehicles.qh"
11 const int ANTILAG_MAX_ORIGINS = 64;
12 .vector antilag_origins[ANTILAG_MAX_ORIGINS];
13 .float antilag_times[ANTILAG_MAX_ORIGINS];
15 .vector antilag_saved_origin;
16 .float antilag_takenback;
20 void antilag_record(entity e, float t)
22 if (e.vehicle && e.vehicle.vehicle_flags == VHF_PLAYERSLOT)
26 antilag_record(e.vehicle, t);
28 if(time < e.(antilag_times[e.antilag_index]))
30 e.antilag_index = e.antilag_index + 1;
31 if(e.antilag_index >= ANTILAG_MAX_ORIGINS)
33 e.(antilag_times[e.antilag_index]) = t;
34 e.(antilag_origins[e.antilag_index]) = e.origin;
37 te_spark(antilag_takebackorigin(e, t - e.antilag_debug), '0 0 0', 32);
41 // finds the index BEFORE t
42 float antilag_find(entity e, float t)
44 for(int i = e.antilag_index; i > 0; --i)
45 if(e.(antilag_times[i]) >= t)
46 if(e.(antilag_times[i - 1]) < t)
49 if(e.(antilag_times[0]) >= t)
50 if(e.(antilag_times[ANTILAG_MAX_ORIGINS - 1]) < t)
51 return ANTILAG_MAX_ORIGINS - 1;
53 for(int i = ANTILAG_MAX_ORIGINS - 1; i > e.antilag_index + 1; --i)
54 if(e.(antilag_times[i]) >= t)
55 if(e.(antilag_times[i - 1]) < t)
58 // if we get here, t is sandwiched nowhere, so let's assume it's in the present
62 vector lerpv(float t0, vector v0, float t1, vector v1, float t)
64 return v0 + (v1 - v0) * ((t - t0) / (t1 - t0));
67 vector antilag_takebackorigin(entity e, float t)
69 int i0 = antilag_find(e, t);
73 if(e.antilag_takenback)
74 return e.antilag_saved_origin;
79 if (i1 >= ANTILAG_MAX_ORIGINS)
82 return lerpv(e.(antilag_times[i0]), e.(antilag_origins[i0]), e.(antilag_times[i1]), e.(antilag_origins[i1]), t);
85 vector antilag_takebackavgvelocity(entity e, float t0, float t1)
91 o0 = antilag_takebackorigin(e, t0);
92 o1 = antilag_takebackorigin(e, t1);
93 return (o1 - o0) * (1 / (t1 - t0));
96 void antilag_takeback(entity e, float t)
99 if (e.vehicle && e.vehicle.vehicle_flags == VHF_PLAYERSLOT)
103 antilag_takeback(e.vehicle, t);
105 if(!e.antilag_takenback)
106 e.antilag_saved_origin = e.origin;
108 setorigin(e, antilag_takebackorigin(e, t));
109 e.antilag_takenback = true;
112 void antilag_restore(entity e)
114 if (e.vehicle && e.vehicle.vehicle_flags == VHF_PLAYERSLOT)
118 antilag_restore(e.vehicle);
120 if(!e.antilag_takenback)
123 setorigin(e, e.antilag_saved_origin);
124 e.antilag_takenback = false;
127 void antilag_clear(entity e)
130 for (int i = 0; i < ANTILAG_MAX_ORIGINS; ++i)
132 e.(antilag_times[i]) = -2342;
133 e.(antilag_origins[i]) = e.origin;
135 e.antilag_index = ANTILAG_MAX_ORIGINS - 1; // next one is 0