/*
* @brief Updates the r_view_t for the renderer. Origin, angles, etc are calculated.
* Scene population is then delegated (asynchronously) to the client game.
*/
void Cl_UpdateView(void) {
if (!cl.frame.valid && !r_view.update)
return; // not a valid frame, and no forced update
Cl_ClearView();
const cl_frame_t *frame = &cl.frames[(cl.frame.frame_num - 1) & PACKET_MASK];
const player_state_t *from = frame->frame_num == cl.frame.frame_num - 1 ? &frame->ps : &cl.frame.ps;
Cl_UpdateOrigin(from, &cl.frame.ps);
Cl_UpdateAngles(from, &cl.frame.ps);
Cl_UpdateViewSize();
cls.cgame->UpdateView(&cl.frame);
// set time
r_view.time = cl.time;
// set area bits to mark visible leafs
r_view.area_bits = cl.frame.area_bits;
// create the thread which populates the view
r_view.thread = Thread_Create((ThreadRunFunc) cls.cgame->PopulateView, &cl.frame);
}
/*
* @brief Updates the r_view_t for the renderer. Origin, angles, etc are calculated.
* Scene population is then delegated to the client game.
*/
void Cl_UpdateView(void) {
if (!cl.frame.valid && !r_view.update)
return; // not a valid frame, and no forced update
// find the previous frame to interpolate from
cl_frame_t *prev = &cl.frames[(cl.frame.frame_num - 1) & PACKET_MASK];
if (prev->frame_num != cl.frame.frame_num - 1 || !prev->valid)
prev = &cl.frame; // previous frame was dropped or invalid
Cl_UpdateLerp(prev);
const player_state_t *ps = &cl.frame.ps;
const player_state_t *ops = &prev->ps;
if (ps != ops) { // see if we've teleported
vec3_t org, old_org, delta;
UnpackVector(ps->pm_state.origin, org);
UnpackVector(ops->pm_state.origin, old_org);
VectorSubtract(org, old_org, delta);
if (VectorLength(delta) > 256.0) {
ops = ps; // don't interpolate
}
}
Cl_ClearView();
Cl_UpdateOrigin(ps, ops);
Cl_UpdateAngles(ps, ops);
Cl_UpdateViewSize();
cls.cgame->UpdateView(&cl.frame);
// set time
r_view.time = cl.time;
// set area bits to mark visible leafs
r_view.area_bits = cl.frame.area_bits;
// create the thread which populates the view
r_view.thread = Thread_Create((ThreadRunFunc) cls.cgame->PopulateView, &cl.frame);
}