1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
* Portions Copyright (C) 2000-2001 Tim Angus
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the OSML - Open Source Modification License v1.0 as
* described in the file COPYING which is distributed with this source
* code.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "cg_local.h"
/*
===============
CG_RunAMOLerpFrame
Sets cg.snap, cg.oldFrame, and cg.backlerp
cg.time should be between oldFrameTime and frameTime after exit
===============
*/
static void CG_RunAMOLerpFrame( lerpFrame_t *lf )
{
int f, numFrames;
animation_t *anim;
// debugging tool to get no animations
if ( cg_animSpeed.integer == 0 ) {
lf->oldFrame = lf->frame = lf->backlerp = 0;
return;
}
// if we have passed the current frame, move it to
// oldFrame and calculate a new frame
if ( cg.time >= lf->frameTime ) {
lf->oldFrame = lf->frame;
lf->oldFrameTime = lf->frameTime;
// get the next frame based on the animation
anim = lf->animation;
if ( !anim->frameLerp ) {
return; // shouldn't happen
}
if ( cg.time < lf->animationTime ) {
lf->frameTime = lf->animationTime; // initial lerp
} else {
lf->frameTime = lf->oldFrameTime + anim->frameLerp;
}
f = ( lf->frameTime - lf->animationTime ) / anim->frameLerp;
numFrames = anim->numFrames;
if (anim->flipflop) {
numFrames *= 2;
}
if ( f >= numFrames ) {
f -= numFrames;
if ( anim->loopFrames ) {
f %= anim->loopFrames;
f += anim->numFrames - anim->loopFrames;
} else {
f = numFrames - 1;
// the animation is stuck at the end, so it
// can immediately transition to another sequence
lf->frameTime = cg.time;
}
}
if ( anim->reversed ) {
lf->frame = anim->firstFrame + anim->numFrames - 1 - f;
}
else if (anim->flipflop && f>=anim->numFrames) {
lf->frame = anim->firstFrame + anim->numFrames - 1 - (f%anim->numFrames);
}
else {
lf->frame = anim->firstFrame + f;
}
if ( cg.time > lf->frameTime ) {
lf->frameTime = cg.time;
if ( cg_debugAnim.integer ) {
CG_Printf( "Clamp lf->frameTime\n");
}
}
}
if ( lf->frameTime > cg.time + 200 ) {
lf->frameTime = cg.time;
}
if ( lf->oldFrameTime > cg.time ) {
lf->oldFrameTime = cg.time;
}
// calculate current lerp value
if ( lf->frameTime == lf->oldFrameTime ) {
lf->backlerp = 0;
} else {
lf->backlerp = 1.0 - (float)( cg.time - lf->oldFrameTime ) / ( lf->frameTime - lf->oldFrameTime );
}
}
/*
===============
CG_AMOAnimation
===============
*/
static void CG_AMOAnimation( centity_t *cent, int *old, int *now, float *backLerp )
{
if( !( cent->currentState.eFlags & EF_MOVER_STOP ) )
{
int delta = cg.time - cent->miscTime;
//hack to prevent "pausing" mucking up the lerping
if( delta > 900 )
{
cent->lerpFrame.oldFrameTime += delta;
cent->lerpFrame.frameTime += delta;
}
CG_RunAMOLerpFrame( ¢->lerpFrame );
cent->miscTime = cg.time;
}
*old = cent->lerpFrame.oldFrame;
*now = cent->lerpFrame.frame;
*backLerp = cent->lerpFrame.backlerp;
}
/*
==================
CG_animMapObj
==================
*/
void CG_animMapObj( centity_t *cent )
{
refEntity_t ent;
entityState_t *es;
float scale;
animation_t anim;
es = ¢->currentState;
// if set to invisible, skip
if ( !es->modelindex || ( es->eFlags & EF_NODRAW ) )
return;
memset( &ent, 0, sizeof( ent ) );
VectorCopy( es->angles, cent->lerpAngles );
AnglesToAxis( cent->lerpAngles, ent.axis );
ent.hModel = cgs.gameModels[ es->modelindex ];
VectorCopy( cent->lerpOrigin, ent.origin);
VectorCopy( cent->lerpOrigin, ent.oldorigin);
ent.nonNormalizedAxes = qfalse;
//scale the model
if( es->angles2[ 0 ] )
{
scale = es->angles2[ 0 ];
VectorScale( ent.axis[0], scale, ent.axis[0] );
VectorScale( ent.axis[1], scale, ent.axis[1] );
VectorScale( ent.axis[2], scale, ent.axis[2] );
ent.nonNormalizedAxes = qtrue;
}
//setup animation
anim.firstFrame = es->powerups;
anim.numFrames = es->weapon;
anim.reversed = qfalse;
anim.flipflop = qfalse;
// if numFrames is negative the animation is reversed
if( anim.numFrames < 0 )
{
anim.numFrames = -anim.numFrames;
anim.reversed = qtrue;
}
anim.loopFrames = es->torsoAnim;
if( !es->legsAnim )
{
anim.frameLerp = 1000;
anim.initialLerp = 1000;
}
else
{
anim.frameLerp = 1000 / es->legsAnim;
anim.initialLerp = 1000 / es->legsAnim;
}
cent->lerpFrame.animation = &anim;
//run animation
CG_AMOAnimation( cent, &ent.oldframe, &ent.frame, &ent.backlerp );
// add to refresh list
trap_R_AddRefEntityToScene(&ent);
}
|
