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don't do the lerp calcs for blend == 0 or blend == 1

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This commit is contained in:
Bill Currie 2001-08-21 05:46:55 +00:00
parent cd99a6a4b6
commit ec3eed4c7a
1 changed files with 44 additions and 41 deletions
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85
libs/video/renderer/gl/gl_rmain.c
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@ -451,6 +451,7 @@ GL_GetAliasFrameVerts (int frame, aliashdr_t *paliashdr, entity_t *e)
int numposes;
trivertx_t *verts;
int i;
float interval;
if ((frame >= paliashdr->mdl.numframes) || (frame < 0)) {
Con_DPrintf ("R_AliasSetupFrame: no such frame %d\n", frame);
@ -467,39 +468,27 @@ GL_GetAliasFrameVerts (int frame, aliashdr_t *paliashdr, entity_t *e)
vo->order = (int *) ((byte *) paliashdr + paliashdr->commands);
vo->verts = (blended_vert_t*)&vo[1];
if (!gl_lerp_anim->int_val) {
float interval;
if (numposes > 1) {
interval = paliashdr->frames[frame].interval;
pose += (int) (r_realtime / interval) % numposes;
}
for (i = 0; i < count; i++) {
vo->verts[i].vert[0] = verts[i].v[0];
vo->verts[i].vert[1] = verts[i].v[1];
vo->verts[i].vert[2] = verts[i].v[2];
vo->verts[i].lightdot = shadedots[verts[i].lightnormalindex];
}
lastposenum = pose;
if (numposes > 1) {
interval = paliashdr->frames[frame].interval;
pose += (int) (r_realtime / interval) % numposes;
} else {
/*
One tenth of a second is good for most Quake animations. If
the nextthink is longer then the animation is usually meant
to pause (e.g. check out the shambler magic animation in
shambler.qc). If its shorter then things will still be
smoothed partly, and the jumps will be less noticable
because of the shorter time. So, this is probably a good
assumption.
*/
interval = 0.1;
}
if (gl_lerp_anim->int_val) {
trivertx_t *verts1, *verts2;
float blend, lerp;
if (numposes > 1) {
e->frame_interval = paliashdr->frames[frame].interval;
pose += (int) (r_realtime / e->frame_interval) % numposes;
} else {
/*
One tenth of a second is good for most Quake animations. If
the nextthink is longer then the animation is usually meant
to pause (e.g. check out the shambler magic animation in
shambler.qc). If its shorter then things will still be
smoothed partly, and the jumps will be less noticable
because of the shorter time. So, this is probably a good
assumption.
*/
e->frame_interval = 0.1;
}
e->frame_interval = interval;
if (e->pose2 != pose) {
e->frame_start_time = r_realtime;
@ -522,20 +511,34 @@ GL_GetAliasFrameVerts (int frame, aliashdr_t *paliashdr, entity_t *e)
verts1 = verts + e->pose1 * count;
verts2 = verts + e->pose2 * count;
for (i = 0; i < count; i++) {
vo->verts[i].vert[0] = verts1[i].v[0] * lerp
+ verts2[i].v[0] * blend;
vo->verts[i].vert[1] = verts1[i].v[1] * lerp
+ verts2[i].v[1] * blend;
vo->verts[i].vert[2] = verts1[i].v[2] * lerp
+ verts2[i].v[2] * blend;
vo->verts[i].lightdot =
shadedots[verts1[i].lightnormalindex] * lerp
+ shadedots[verts2[i].lightnormalindex] * blend;
if (!blend) {
verts = verts1;
} else if (blend == 1) {
verts = verts2;
} else {
for (i = 0; i < count; i++) {
vo->verts[i].vert[0] = verts1[i].v[0] * lerp
+ verts2[i].v[0] * blend;
vo->verts[i].vert[1] = verts1[i].v[1] * lerp
+ verts2[i].v[1] * blend;
vo->verts[i].vert[2] = verts1[i].v[2] * lerp
+ verts2[i].v[2] * blend;
vo->verts[i].lightdot =
shadedots[verts1[i].lightnormalindex] * lerp
+ shadedots[verts2[i].lightnormalindex] * blend;
}
lastposenum0 = e->pose1;
lastposenum = e->pose2;
return vo;
}
lastposenum0 = e->pose1;
lastposenum = e->pose2;
}
for (i = 0; i < count; i++) {
vo->verts[i].vert[0] = verts[i].v[0];
vo->verts[i].vert[1] = verts[i].v[1];
vo->verts[i].vert[2] = verts[i].v[2];
vo->verts[i].lightdot = shadedots[verts[i].lightnormalindex];
}
lastposenum = pose;
return vo;
}