4 #include "../dpdefs/progsdefs.qc"
5 #include "../dpdefs/dpextensions.qc"
6 #include "vehicles/vehicles_def.qh"
10 const float ANTILAG_MAX_ORIGINS = 64;
11 .vector antilag_origins[ANTILAG_MAX_ORIGINS];
12 .float antilag_times[ANTILAG_MAX_ORIGINS];
14 .vector antilag_saved_origin;
15 .float antilag_takenback;
19 void antilag_record(entity e, float t)
21 if (e.vehicle && e.vehicle.vehicle_flags == VHF_PLAYERSLOT)
25 antilag_record(e.vehicle, t);
27 if(time < e.(antilag_times[e.antilag_index]))
29 e.antilag_index = e.antilag_index + 1;
30 if(e.antilag_index >= ANTILAG_MAX_ORIGINS)
32 e.(antilag_times[e.antilag_index]) = t;
33 e.(antilag_origins[e.antilag_index]) = e.origin;
36 te_spark(antilag_takebackorigin(e, t - e.antilag_debug), '0 0 0', 32);
40 // finds the index BEFORE t
41 float antilag_find(entity e, float t)
45 for(i = e.antilag_index; i > 0; --i)
46 if(e.(antilag_times[i]) >= t)
47 if(e.(antilag_times[i - 1]) < t)
50 if(e.(antilag_times[0]) >= t)
51 if(e.(antilag_times[ANTILAG_MAX_ORIGINS - 1]) < t)
52 return ANTILAG_MAX_ORIGINS - 1;
54 for(i = ANTILAG_MAX_ORIGINS - 1; i > e.antilag_index + 1; --i)
55 if(e.(antilag_times[i]) >= t)
56 if(e.(antilag_times[i - 1]) < t)
59 // if we get here, t is sandwiched nowhere, so let's assume it's in the present
63 vector lerpv(float t0, vector v0, float t1, vector v1, float t)
65 return v0 + (v1 - v0) * ((t - t0) / (t1 - t0));
68 vector antilag_takebackorigin(entity e, float t)
72 i0 = antilag_find(e, t);
76 if(e.antilag_takenback)
77 return e.antilag_saved_origin;
82 if(i1 >= ANTILAG_MAX_ORIGINS)
85 return lerpv(e.(antilag_times[i0]), e.(antilag_origins[i0]), e.(antilag_times[i1]), e.(antilag_origins[i1]), t);
88 vector antilag_takebackavgvelocity(entity e, float t0, float t1)
94 o0 = antilag_takebackorigin(e, t0);
95 o1 = antilag_takebackorigin(e, t1);
96 return (o1 - o0) * (1 / (t1 - t0));
99 void antilag_takeback(entity e, float t)
102 if (e.vehicle && e.vehicle.vehicle_flags == VHF_PLAYERSLOT)
106 antilag_takeback(e.vehicle, t);
108 if(!e.antilag_takenback)
109 e.antilag_saved_origin = e.origin;
111 setorigin(e, antilag_takebackorigin(e, t));
112 e.antilag_takenback = true;
115 void antilag_restore(entity e)
117 if (e.vehicle && e.vehicle.vehicle_flags == VHF_PLAYERSLOT)
121 antilag_restore(e.vehicle);
123 if(!e.antilag_takenback)
126 setorigin(e, e.antilag_saved_origin);
127 e.antilag_takenback = false;
130 void antilag_clear(entity e)
135 for(i = 0; i < ANTILAG_MAX_ORIGINS; ++i)
137 e.(antilag_times[i]) = -2342;
138 e.(antilag_origins[i]) = e.origin;
140 e.antilag_index = ANTILAG_MAX_ORIGINS - 1; // next one is 0