2 * Copyright (c) 2011 Rudolf Polzer
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to
6 * deal in the Software without restriction, including without limitation the
7 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
8 * sell copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23 .vector iorigin1, iorigin2;
24 .vector ivelocity1, ivelocity2;
25 .vector iforward1, iforward2;
27 .float itime1, itime2;
28 void InterpolateOrigin_Reset()
30 self.iflags &~= IFLAG_INTERNALMASK;
31 self.itime1 = self.itime2 = 0;
33 void InterpolateOrigin_Note()
38 dt = time - self.itime2;
41 if(self.iflags & IFLAG_PREVALID)
42 self.iflags |= IFLAG_VALID;
44 self.iflags |= IFLAG_PREVALID;
46 self.iorigin1 = self.iorigin2;
47 self.iorigin2 = self.origin;
49 if(self.iflags & IFLAG_AUTOANGLES)
50 if(self.iorigin2 != self.iorigin1)
51 self.angles = vectoangles(self.iorigin2 - self.iorigin1);
53 if(self.iflags & IFLAG_AUTOVELOCITY)
54 if(self.itime2 != self.itime1)
55 self.velocity = (self.iorigin2 - self.iorigin1) * (1.0 / (self.itime2 - self.itime1));
57 if(self.iflags & IFLAG_ANGLES)
59 fixedmakevectors(self.angles);
62 self.iforward1 = self.iforward2;
63 self.iup1 = self.iup2;
67 self.iforward1 = v_forward;
70 self.iforward2 = v_forward;
74 if(self.iflags & IFLAG_VELOCITY)
76 self.ivelocity1 = self.ivelocity2;
77 self.ivelocity2 = self.velocity;
80 if(self.iflags & IFLAG_TELEPORTED)
82 self.iflags &~= IFLAG_TELEPORTED;
83 self.itime1 = self.itime2 = time; // don't lerp
85 else if(vlen(self.iorigin2 - self.iorigin1) > 1000)
87 self.itime1 = self.itime2 = time; // don't lerp
89 else if((self.iflags & IFLAG_VELOCITY) && (vlen(self.ivelocity2 - self.ivelocity1) > 1000))
91 self.itime1 = self.itime2 = time; // don't lerp
95 self.itime1 = self.itime2 = time;
99 self.itime1 = serverprevtime;
103 void InterpolateOrigin_Do()
106 if(self.itime1 && self.itime2 && self.itime1 != self.itime2)
109 f = bound(0, (time - self.itime1) / (self.itime2 - self.itime1), 1 + autocvar_cl_lerpexcess);
110 self.origin = (1 - f) * self.iorigin1 + f * self.iorigin2;
111 if(self.iflags & IFLAG_ANGLES)
113 forward = (1 - f) * self.iforward1 + f * self.iforward2;
114 up = (1 - f) * self.iup1 + f * self.iup2;
115 self.angles = fixedvectoangles2(forward, up);
117 if(self.iflags & IFLAG_VELOCITY)
118 self.velocity = (1 - f) * self.ivelocity1 + f * self.ivelocity2;
121 void InterpolateOrigin_Undo()
123 setorigin(self, self.iorigin2);
124 if(self.iflags & IFLAG_ANGLES)
125 self.angles = fixedvectoangles2(self.iforward2, self.iup2);
126 if(self.iflags & IFLAG_VELOCITY)
127 self.velocity = self.ivelocity2;