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NS/main/source/cl_dll/view.cpp

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// view/refresh setup functions
#include "hud.h"
#include "cl_util.h"
#include "cvardef.h"
#include "usercmd.h"
#include "const.h"
#include "entity_state.h"
#include "cl_entity.h"
#include "ref_params.h"
#include "in_defs.h" // PITCH YAW ROLL
#include "pm_movevars.h"
#include "pm_shared.h"
#include "pm_defs.h"
#include "event_api.h"
#include "pmtrace.h"
#include "bench.h"
#include "screenfade.h"
#include "engine/shake.h"
#include "mod/AvHClientUtil.h"
#include "engine/APIProxy.h"
#include "hltv.h"
#include "Exports.h"
#include "common/hltv.h"
#include "util/MathUtil.h"
#include "util/STLUtil.h"
#include "mod/AvHMarineEquipmentConstants.h"
#include "mod/AvHMarineWeaponConstants.h"
#include "mod/AvHAlienWeaponConstants.h"
#include "mod/AvHSpecials.h"
extern float gTopDownViewOrigin[3];
extern float gTopDownViewAngles[3];
#ifndef M_PI
#define M_PI 3.14159265358979323846 // matches value in gcc v2 math.h
#endif
int CL_IsThirdPerson( void );
void CL_CameraOffset( float *ofs );
void CL_DLLEXPORT V_CalcRefdef( struct ref_params_s *pparams );
void PM_ParticleLine( float *start, float *end, int pcolor, float life, float vert);
int PM_GetVisEntInfo( int ent );
int PM_GetPhysEntInfo( int ent );
//@linux
void InterpolateAngles( float * start, float * end, float * output, float frac );
void NormalizeAngles( float * angles );
//extern "C" float Distance(const float * v1, const float * v2);
//float AngleBetweenVectors(const float * v1, const float * v2 );
void V_DropPunchAngle ( float frametime, float *ev_punchangle );
void VectorAngles( const float *forward, float *angles );
void V_CalcTopDownRefdef ( struct ref_params_s *pparams );
extern float vJumpOrigin[3];
extern float vJumpAngles[3];
#include "r_studioint.h"
#include "common/com_model.h"
#include "kbutton.h"
extern engine_studio_api_t IEngineStudio;
extern kbutton_t in_mlook;
/*
The view is allowed to move slightly from it's true position for bobbing,
but if it exceeds 8 pixels linear distance (spherical, not box), the list of
entities sent from the server may not include everything in the pvs, especially
when crossing a water boudnary.
*/
//extern cvar_t *cl_forwardspeed;
extern cvar_t *chase_active;
extern cvar_t *scr_ofsx, *scr_ofsy, *scr_ofsz;
extern cvar_t *cl_vsmoothing;
#define CAM_MODE_RELAX 1
#define CAM_MODE_FOCUS 2
vec3_t v_origin, v_angles, v_cl_angles, v_sim_org, v_lastAngles, v_view_ofs;
float v_frametime, v_lastDistance;
float v_cameraRelaxAngle = 5.0f;
float v_cameraFocusAngle = 35.0f;
int v_cameraMode = CAM_MODE_FOCUS;
qboolean v_resetCamera = 1;
extern float gTopDownHeight;
vec3_t gLastCommanderViewpoint;
vec3_t ev_punchangle;
cvar_t *scr_ofsx;
cvar_t *scr_ofsy;
cvar_t *scr_ofsz;
cvar_t *v_centermove;
cvar_t *v_centerspeed;
cvar_t *cl_bobcycle;
cvar_t *cl_bob;
cvar_t *cl_bobup;
cvar_t *cl_bobview;
cvar_t *cl_waterdist;
cvar_t *cl_chasedist;
cvar_t *cl_hudcam;
// These cvars are not registered (so users can't cheat), so set the ->value field directly
// Register these cvars in V_Init() if needed for easy tweaking
cvar_t v_iyaw_cycle = {"v_iyaw_cycle", "2", 0, 2};
cvar_t v_iroll_cycle = {"v_iroll_cycle", "0.5", 0, 0.5};
cvar_t v_ipitch_cycle = {"v_ipitch_cycle", "1", 0, 1};
cvar_t v_iyaw_level = {"v_iyaw_level", "0.3", 0, 0.3};
cvar_t v_iroll_level = {"v_iroll_level", "0.1", 0, 0.1};
cvar_t v_ipitch_level = {"v_ipitch_level", "0.3", 0, 0.3};
float v_idlescale; // used by TFC for concussion grenade effect
//@linux
void NormalizeAngles( float *angles )
{
int i;
// Normalize angles
for ( i = 0; i < 3; i++ )
{
if ( angles[i] > 180.0 )
{
angles[i] -= 360.0;
}
else if ( angles[i] < -180.0 )
{
angles[i] += 360.0;
}
}
}
/*
===================
InterpolateAngles
Interpolate Euler angles.
FIXME: Use Quaternions to avoid discontinuities
Frac is 0.0 to 1.0 ( i.e., should probably be clamped, but doesn't have to be )
===================
*/
void InterpolateAngles( float *start, float *end, float *output, float frac )
{
int i;
float ang1, ang2;
float d;
NormalizeAngles( start );
NormalizeAngles( end );
for ( i = 0 ; i < 3 ; i++ )
{
ang1 = start[i];
ang2 = end[i];
d = ang2 - ang1;
if ( d > 180 )
{
d -= 360;
}
else if ( d < -180 )
{
d += 360;
}
output[i] = ang1 + d * frac;
}
NormalizeAngles( output );
}
/*
===================
AngleBetweenVectors
===================
*/
float AngleBetweenVectors( float* v1, float* v2 )
{
float angle;
float l1 = Length( v1 );
float l2 = Length( v2 );
if ( !l1 || !l2 )
return 0.0f;
angle = acos( DotProduct( v1, v2 ) ) / (l1*l2);
angle = ( angle * 180.0f ) / M_PI;
return angle;
}
//=============================================================================
/*
void V_NormalizeAngles( float *angles )
{
int i;
// Normalize angles
for ( i = 0; i < 3; i++ )
{
if ( angles[i] > 180.0 )
{
angles[i] -= 360.0;
}
else if ( angles[i] < -180.0 )
{
angles[i] += 360.0;
}
}
}
/*
===================
V_InterpolateAngles
Interpolate Euler angles.
FIXME: Use Quaternions to avoid discontinuities
Frac is 0.0 to 1.0 ( i.e., should probably be clamped, but doesn't have to be )
===================
void V_InterpolateAngles( float *start, float *end, float *output, float frac )
{
int i;
float ang1, ang2;
float d;
V_NormalizeAngles( start );
V_NormalizeAngles( end );
for ( i = 0 ; i < 3 ; i++ )
{
ang1 = start[i];
ang2 = end[i];
d = ang2 - ang1;
if ( d > 180 )
{
d -= 360;
}
else if ( d < -180 )
{
d += 360;
}
output[i] = ang1 + d * frac;
}
V_NormalizeAngles( output );
} */
// Quakeworld bob code, this fixes jitters in the mutliplayer since the clock (pparams->time) isn't quite linear
float V_CalcBob ( struct ref_params_s *pparams )
{
static double bobtime;
static float bob;
float cycle;
static float lasttime;
vec3_t vel;
if ( pparams->onground == -1 ||
pparams->time == lasttime )
{
// just use old value
return bob;
}
lasttime = pparams->time;
bobtime += pparams->frametime;
cycle = bobtime - (int)( bobtime / cl_bobcycle->value ) * cl_bobcycle->value;
cycle /= cl_bobcycle->value;
if ( cycle < cl_bobup->value )
{
cycle = M_PI * cycle / cl_bobup->value;
}
else
{
cycle = M_PI + M_PI * ( cycle - cl_bobup->value )/( 1.0 - cl_bobup->value );
}
// bob is proportional to simulated velocity in the xy plane
// (don't count Z, or jumping messes it up)
VectorCopy( pparams->simvel, vel );
vel[2] = 0;
bob = sqrt( vel[0] * vel[0] + vel[1] * vel[1] ) * cl_bob->value;
bob = bob * 0.3 + bob * 0.7 * sin(cycle);
bob = min( bob, 4 );
bob = max( bob, -7 );
return bob;
}
/*
===============
V_CalcRoll
Used by view and sv_user
===============
*/
float V_CalcRoll (vec3_t angles, vec3_t velocity, float rollangle, float rollspeed )
{
float sign;
float side;
float value;
vec3_t forward, right, up;
AngleVectors ( angles, forward, right, up );
side = DotProduct (velocity, right);
sign = side < 0 ? -1 : 1;
side = fabs( side );
value = rollangle;
if (side < rollspeed)
{
side = side * value / rollspeed;
}
else
{
side = value;
}
return side * sign;
}
typedef struct pitchdrift_s
{
float pitchvel;
int nodrift;
float driftmove;
double laststop;
} pitchdrift_t;
static pitchdrift_t pd;
void V_StartPitchDrift( void )
{
if ( pd.laststop == gEngfuncs.GetClientTime() )
{
return; // something else is keeping it from drifting
}
if ( pd.nodrift || !pd.pitchvel )
{
pd.pitchvel = v_centerspeed->value;
pd.nodrift = 0;
pd.driftmove = 0;
}
}
void V_StopPitchDrift ( void )
{
pd.laststop = gEngfuncs.GetClientTime();
pd.nodrift = 1;
pd.pitchvel = 0;
}
/*
===============
V_DriftPitch
Moves the client pitch angle towards idealpitch sent by the server.
If the user is adjusting pitch manually, either with lookup/lookdown,
mlook and mouse, or klook and keyboard, pitch drifting is constantly stopped.
===============
*/
void V_DriftPitch ( struct ref_params_s *pparams )
{
float delta, move;
if ( gEngfuncs.IsNoClipping() || !pparams->onground || pparams->demoplayback || pparams->spectator )
{
pd.driftmove = 0;
pd.pitchvel = 0;
return;
}
// don't count small mouse motion
if ( pd.nodrift)
{
if ( v_centermove->value > 0 && !(in_mlook.state & 1) )
{
// this is for lazy players. if they stopped, looked around and then continued
// to move the view will be centered automatically if they move more than
// v_centermove units.
if ( fabs( pparams->cmd->forwardmove ) < kForwardSpeed )
pd.driftmove = 0;
else
pd.driftmove += pparams->frametime;
if ( pd.driftmove > v_centermove->value)
{
V_StartPitchDrift ();
}
else
{
return; // player didn't move enough
}
}
return; // don't drift view
}
delta = pparams->idealpitch - pparams->cl_viewangles[PITCH];
if (!delta)
{
pd.pitchvel = 0;
return;
}
move = pparams->frametime * pd.pitchvel;
//pd.pitchvel += pparams->frametime * v_centerspeed->value;
pd.pitchvel *= (1.0f+(pparams->frametime*0.25f)); // get faster by time
if (delta > 0)
{
if (move > delta)
{
pd.pitchvel = 0;
move = delta;
}
pparams->cl_viewangles[PITCH] += move;
}
else if (delta < 0)
{
if (move > -delta)
{
pd.pitchvel = 0;
move = -delta;
}
pparams->cl_viewangles[PITCH] -= move;
}
}
/*
==============================================================================
VIEW RENDERING
==============================================================================
*/
/*
==================
V_CalcGunAngle
==================
*/
void V_CalcGunAngle ( struct ref_params_s *pparams )
{
cl_entity_t *viewent;
viewent = gEngfuncs.GetViewModel();
if ( !viewent )
return;
viewent->angles[YAW] = pparams->viewangles[YAW] + pparams->crosshairangle[YAW];
viewent->angles[PITCH] = -pparams->viewangles[PITCH] + pparams->crosshairangle[PITCH] * 0.25;
viewent->angles[ROLL] -= v_idlescale * sin(pparams->time*v_iroll_cycle.value) * v_iroll_level.value;
// don't apply all of the v_ipitch to prevent normally unseen parts of viewmodel from coming into view.
viewent->angles[PITCH] -= v_idlescale * sin(pparams->time*v_ipitch_cycle.value) * (v_ipitch_level.value * 0.5);
viewent->angles[YAW] -= v_idlescale * sin(pparams->time*v_iyaw_cycle.value) * v_iyaw_level.value;
VectorCopy( viewent->angles, viewent->curstate.angles );
VectorCopy( viewent->angles, viewent->latched.prevangles );
}
/*
==============
V_AddIdle
Idle swaying
==============
*/
void V_AddIdle ( struct ref_params_s *pparams )
{
pparams->viewangles[ROLL] += v_idlescale * sin(pparams->time*v_iroll_cycle.value) * v_iroll_level.value;
pparams->viewangles[PITCH] += v_idlescale * sin(pparams->time*v_ipitch_cycle.value) * v_ipitch_level.value;
pparams->viewangles[YAW] += v_idlescale * sin(pparams->time*v_iyaw_cycle.value) * v_iyaw_level.value;
}
/*
==============
V_CalcViewRoll
Roll is induced by movement and damage
==============
*/
void V_CalcViewRoll ( struct ref_params_s *pparams )
{
float side;
cl_entity_t *viewentity;
viewentity = gEngfuncs.GetEntityByIndex( pparams->viewentity );
if ( !viewentity )
return;
side = V_CalcRoll ( viewentity->angles, pparams->simvel, pparams->movevars->rollangle, pparams->movevars->rollspeed );
pparams->viewangles[ROLL] += side;
if ( pparams->health <= 0 && ( pparams->viewheight[2] != 0 ) )
{
// only roll the view if the player is dead and the viewheight[2] is nonzero
// this is so deadcam in multiplayer will work.
pparams->viewangles[ROLL] = 80; // dead view angle
return;
}
}
/*
==================
V_CalcIntermissionRefdef
==================
*/
void V_CalcIntermissionRefdef ( struct ref_params_s *pparams )
{
cl_entity_t *ent, *view;
float old;
// ent is the player model ( visible when out of body )
ent = gEngfuncs.GetLocalPlayer();
// view is the weapon model (only visible from inside body )
view = gEngfuncs.GetViewModel();
VectorCopy ( pparams->simorg, pparams->vieworg );
VectorCopy ( pparams->cl_viewangles, pparams->viewangles );
view->model = NULL;
// allways idle in intermission
old = v_idlescale;
v_idlescale = 1;
V_AddIdle ( pparams );
if ( gEngfuncs.IsSpectateOnly() )
{
// in HLTV we must go to 'intermission' position by ourself
VectorCopy( gHUD.m_Spectator.m_cameraOrigin, pparams->vieworg );
VectorCopy( gHUD.m_Spectator.m_cameraAngles, pparams->viewangles );
}
v_idlescale = old;
v_cl_angles = pparams->cl_viewangles;
v_origin = pparams->vieworg;
v_angles = pparams->viewangles;
v_view_ofs = pparams->viewheight;
}
#define ORIGIN_BACKUP 64
#define ORIGIN_MASK ( ORIGIN_BACKUP - 1 )
typedef struct
{
float Origins[ ORIGIN_BACKUP ][3];
float OriginTime[ ORIGIN_BACKUP ];
float Angles[ ORIGIN_BACKUP ][3];
float AngleTime[ ORIGIN_BACKUP ];
int CurrentOrigin;
int CurrentAngle;
} viewinterp_t;
/*
==================
V_CalcRefdef
==================
*/
void V_CalcNormalRefdef ( struct ref_params_s *pparams )
{
cl_entity_t *ent, *view;
int i;
vec3_t angles;
float bob, waterOffset;
static viewinterp_t ViewInterp;
static float oldz = 0;
static float lasttime;
vec3_t camAngles, camForward, camRight, camUp;
cl_entity_t *pwater;
V_DriftPitch ( pparams );
if ( gEngfuncs.IsSpectateOnly() )
{
ent = gEngfuncs.GetEntityByIndex( g_iUser2 );
}
else
{
// ent is the player model ( visible when out of body )
ent = gEngfuncs.GetLocalPlayer();
}
// view is the weapon model (only visible from inside body )
view = gEngfuncs.GetViewModel();
// transform the view offset by the model's matrix to get the offset from
// model origin for the view
bob = V_CalcBob ( pparams );
// refresh position
VectorCopy ( pparams->simorg, pparams->vieworg );
if (cl_bobview && cl_bobview->value != 0)
{
pparams->vieworg[2] += ( bob );
}
VectorAdd(pparams->vieworg, pparams->viewheight, pparams->vieworg);
VectorCopy ( pparams->cl_viewangles, pparams->viewangles );
gEngfuncs.V_CalcShake();
gEngfuncs.V_ApplyShake( pparams->vieworg, pparams->viewangles, 1.0 );
// never let view origin sit exactly on a node line, because a water plane can
// dissapear when viewed with the eye exactly on it.
// FIXME, we send origin at 1/128 now, change this?
// the server protocol only specifies to 1/16 pixel, so add 1/32 in each axis
pparams->vieworg[0] += 1.0/32;
pparams->vieworg[1] += 1.0/32;
pparams->vieworg[2] += 1.0/32;
// Check for problems around water, move the viewer artificially if necessary
// -- this prevents drawing errors in GL due to waves
waterOffset = 0;
if ( pparams->waterlevel >= 2 )
{
int i, contents, waterDist, waterEntity;
vec3_t point;
waterDist = cl_waterdist->value;
if ( pparams->hardware )
{
waterEntity = gEngfuncs.PM_WaterEntity( pparams->simorg );
if ( waterEntity >= 0 && waterEntity < pparams->max_entities )
{
pwater = gEngfuncs.GetEntityByIndex( waterEntity );
if ( pwater && ( pwater->model != NULL ) )
{
waterDist += ( pwater->curstate.scale * 16 ); // Add in wave height
}
}
}
else
{
waterEntity = 0; // Don't need this in software
}
VectorCopy( pparams->vieworg, point );
// Eyes are above water, make sure we're above the waves
if ( pparams->waterlevel == 2 )
{
point[2] -= waterDist;
for ( i = 0; i < waterDist; i++ )
{
contents = gEngfuncs.PM_PointContents( point, NULL );
if ( contents > CONTENTS_WATER )
break;
point[2] += 1;
}
waterOffset = (point[2] + waterDist) - pparams->vieworg[2];
}
else
{
// eyes are under water. Make sure we're far enough under
point[2] += waterDist;
for ( i = 0; i < waterDist; i++ )
{
contents = gEngfuncs.PM_PointContents( point, NULL );
if ( contents <= CONTENTS_WATER )
break;
point[2] -= 1;
}
waterOffset = (point[2] - waterDist) - pparams->vieworg[2];
}
}
pparams->vieworg[2] += waterOffset;
V_CalcViewRoll ( pparams );
V_AddIdle ( pparams );
// offsets
VectorCopy( pparams->cl_viewangles, angles );
AngleVectors ( angles, pparams->forward, pparams->right, pparams->up );
// don't allow cheats in multiplayer
if ( pparams->maxclients <= 1 )
{
for ( i=0 ; i<3 ; i++ )
{
pparams->vieworg[i] += scr_ofsx->value*pparams->forward[i] + scr_ofsy->value*pparams->right[i] + scr_ofsz->value*pparams->up[i];
}
}
// Treating cam_ofs[2] as the distance
if( CL_IsThirdPerson() )
{
vec3_t ofs;
ofs[0] = ofs[1] = ofs[2] = 0.0;
CL_CameraOffset( (float *)&ofs );
VectorCopy( ofs, camAngles );
camAngles[ ROLL ] = 0;
AngleVectors( camAngles, camForward, camRight, camUp );
for ( i = 0; i < 3; i++ )
{
pparams->vieworg[ i ] += -ofs[2] * camForward[ i ];
}
}
// Give gun our viewangles
VectorCopy ( pparams->cl_viewangles, view->angles );
// set up gun position
V_CalcGunAngle ( pparams );
// Use predicted origin as view origin.
VectorCopy ( pparams->simorg, view->origin );
view->origin[2] += ( waterOffset );
VectorAdd( view->origin, pparams->viewheight, view->origin );
// Let the viewmodel shake at about 10% of the amplitude
gEngfuncs.V_ApplyShake( view->origin, view->angles, 0.9 );
for ( i = 0; i < 3; i++ )
{
view->origin[ i ] += bob * 0.4 * pparams->forward[ i ];
}
if (cl_bobview && cl_bobview->value > 0.0f)
{
view->origin[2] += bob;
}
//// 2024 - This doesn't do what it's supposed to, and commenting it out makes the weapon model go nuts.
// throw in a little tilt.
view->angles[YAW] -= bob * 0.5;
view->angles[ROLL] -= bob * 1;
view->angles[PITCH] -= bob * 0.3;
// pushing the view origin down off of the same X/Z plane as the ent's origin will give the
// gun a very nice 'shifting' effect when the player looks up/down. If there is a problem
// with view model distortion, this may be a cause. (SJB).
view->origin[2] -= 1;
// fudge position around to keep amount of weapon visible
// roughly equal with different FOV
if (pparams->viewsize == 110)
{
view->origin[2] += 1;
}
else if (pparams->viewsize == 100)
{
view->origin[2] += 2;
}
else if (pparams->viewsize == 90)
{
view->origin[2] += 1;
}
else if (pparams->viewsize == 80)
{
view->origin[2] += 0.5;
}
// Add in the punchangle, if any
VectorAdd ( pparams->viewangles, pparams->punchangle, pparams->viewangles );
// Include client side punch, too
VectorAdd ( pparams->viewangles, (float *)&ev_punchangle, pparams->viewangles);
V_DropPunchAngle ( pparams->frametime, (float *)&ev_punchangle );
// smooth out stair step ups
#if 1
if ( !pparams->smoothing && pparams->onground && pparams->simorg[2] - oldz > 0)
{
float steptime;
steptime = pparams->time - lasttime;
if (steptime < 0)
//FIXME I_Error ("steptime < 0");
steptime = 0;
oldz += steptime * 150;
if (oldz > pparams->simorg[2])
oldz = pparams->simorg[2];
if (pparams->simorg[2] - oldz > 18)
oldz = pparams->simorg[2]- 18;
pparams->vieworg[2] += oldz - pparams->simorg[2];
view->origin[2] += oldz - pparams->simorg[2];
}
else
{
oldz = pparams->simorg[2];
}
#endif
{
static float lastorg[3];
vec3_t delta;
VectorSubtract( pparams->simorg, lastorg, delta );
if ( Length( delta ) != 0.0 )
{
VectorCopy( pparams->simorg, ViewInterp.Origins[ ViewInterp.CurrentOrigin & ORIGIN_MASK ] );
ViewInterp.OriginTime[ ViewInterp.CurrentOrigin & ORIGIN_MASK ] = pparams->time;
ViewInterp.CurrentOrigin++;
VectorCopy( pparams->simorg, lastorg );
}
}
// Smooth out whole view in multiplayer when on trains, lifts
if ( cl_vsmoothing && cl_vsmoothing->value &&
( pparams->smoothing && ( pparams->maxclients > 1 ) ) )
{
int foundidx;
int i;
float t;
if ( cl_vsmoothing->value < 0.0 )
{
gEngfuncs.Cvar_SetValue( "cl_vsmoothing", 0.0 );
}
t = pparams->time - cl_vsmoothing->value;
for ( i = 1; i < ORIGIN_MASK; i++ )
{
foundidx = ViewInterp.CurrentOrigin - 1 - i;
if ( ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ] <= t )
break;
}
if ( i < ORIGIN_MASK && ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ] != 0.0 )
{
// Interpolate
vec3_t delta;
double frac;
double dt;
vec3_t neworg;
dt = ViewInterp.OriginTime[ (foundidx + 1) & ORIGIN_MASK ] - ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ];
if ( dt > 0.0 )
{
frac = ( t - ViewInterp.OriginTime[ foundidx & ORIGIN_MASK] ) / dt;
frac = min( 1.0, frac );
VectorSubtract( ViewInterp.Origins[ ( foundidx + 1 ) & ORIGIN_MASK ], ViewInterp.Origins[ foundidx & ORIGIN_MASK ], delta );
VectorMA( ViewInterp.Origins[ foundidx & ORIGIN_MASK ], frac, delta, neworg );
// Dont interpolate large changes
if ( Length( delta ) < 64 )
{
VectorSubtract( neworg, pparams->simorg, delta );
VectorAdd( pparams->simorg, delta, pparams->simorg );
VectorAdd( pparams->vieworg, delta, pparams->vieworg );
VectorAdd( view->origin, delta, view->origin );
}
}
}
}
// Store off v_angles before munging for third person
v_angles = pparams->viewangles;
v_lastAngles = pparams->viewangles;
// v_cl_angles = pparams->cl_viewangles; // keep old user mouse angles !
if ( CL_IsThirdPerson() )
{
VectorCopy( camAngles, pparams->viewangles);
float pitch = camAngles[ 0 ];
// Normalize angles
if ( pitch > 180 )
pitch -= 360.0;
else if ( pitch < -180 )
pitch += 360;
// Player pitch is inverted
pitch /= -3.0;
// Slam local player's pitch value
ent->angles[ 0 ] = pitch;
ent->curstate.angles[ 0 ] = pitch;
ent->prevstate.angles[ 0 ] = pitch;
ent->latched.prevangles[ 0 ] = pitch;
}
// override all previous settings if the viewent isn't the client
if ( pparams->viewentity > pparams->maxclients )
{
cl_entity_t *viewentity;
viewentity = gEngfuncs.GetEntityByIndex( pparams->viewentity );
if ( viewentity )
{
VectorCopy( viewentity->origin, pparams->vieworg );
VectorCopy( viewentity->angles, pparams->viewangles );
// Store off overridden viewangles
v_angles = pparams->viewangles;
}
}
lasttime = pparams->time;
v_origin = pparams->vieworg;
v_view_ofs = pparams->viewheight;
}
/*
==================
V_CalcTopDownRefdef
==================
*/
void V_CalcTopDownRefdef ( struct ref_params_s *pparams )
{
cl_entity_t *ent, *view;
int i;
vec3_t angles;
//float waterOffset;
static viewinterp_t ViewInterp;
static float oldz = 0;
static float lasttime;
vec3_t camAngles, camForward, camRight, camUp;
//cl_entity_t *pwater;
V_DriftPitch ( pparams );
if ( gEngfuncs.IsSpectateOnly() )
{
ent = gEngfuncs.GetEntityByIndex( g_iUser2 );
}
else
{
// ent is the player model ( visible when out of body )
ent = gEngfuncs.GetLocalPlayer();
}
// view is the weapon model (only visible from inside body )
view = gEngfuncs.GetViewModel();
// Override topdown position and angles from physics code
VectorCopy( gTopDownViewOrigin, pparams->vieworg );
VectorCopy( gTopDownViewOrigin, pparams->simorg );
VectorCopy( gTopDownViewAngles, pparams->cl_viewangles );
VectorCopy( gTopDownViewAngles, pparams->viewangles );
gEngfuncs.V_CalcShake();
gEngfuncs.V_ApplyShake( pparams->vieworg, pparams->viewangles, 1.0 );
V_CalcViewRoll ( pparams );
//V_AddIdle ( pparams );
// offsets
VectorCopy( pparams->cl_viewangles, angles );
AngleVectors ( angles, pparams->forward, pparams->right, pparams->up );
// don't allow cheats in multiplayer
if ( pparams->maxclients <= 1 )
{
for ( i=0 ; i<3 ; i++ )
{
pparams->vieworg[i] += scr_ofsx->value*pparams->forward[i] + scr_ofsy->value*pparams->right[i] + scr_ofsz->value*pparams->up[i];
}
}
// smooth out stair step ups
#if 1
if ( !pparams->smoothing && pparams->onground && pparams->simorg[2] - oldz > 0)
{
float steptime;
steptime = pparams->time - lasttime;
if (steptime < 0)
//FIXME I_Error ("steptime < 0");
steptime = 0;
oldz += steptime * 150;
if (oldz > pparams->simorg[2])
oldz = pparams->simorg[2];
if (pparams->simorg[2] - oldz > 18)
oldz = pparams->simorg[2]- 18;
pparams->vieworg[2] += oldz - pparams->simorg[2];
view->origin[2] += oldz - pparams->simorg[2];
}
else
{
oldz = pparams->simorg[2];
}
#endif
{
static float lastorg[3];
vec3_t delta;
VectorSubtract( pparams->simorg, lastorg, delta );
if ( Length( delta ) != 0.0 )
{
VectorCopy( pparams->simorg, ViewInterp.Origins[ ViewInterp.CurrentOrigin & ORIGIN_MASK ] );
ViewInterp.OriginTime[ ViewInterp.CurrentOrigin & ORIGIN_MASK ] = pparams->time;
ViewInterp.CurrentOrigin++;
VectorCopy( pparams->simorg, lastorg );
}
}
// Smooth out whole view in multiplayer when on trains, lifts
if ( cl_vsmoothing && cl_vsmoothing->value &&
( pparams->smoothing && ( pparams->maxclients > 1 ) ) )
{
int foundidx;
int i;
float t;
if ( cl_vsmoothing->value < 0.0 )
{
gEngfuncs.Cvar_SetValue( "cl_vsmoothing", 0.0 );
}
t = pparams->time - cl_vsmoothing->value;
for ( i = 1; i < ORIGIN_MASK; i++ )
{
foundidx = ViewInterp.CurrentOrigin - 1 - i;
if ( ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ] <= t )
break;
}
if ( i < ORIGIN_MASK && ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ] != 0.0 )
{
// Interpolate
vec3_t delta;
double frac;
double dt;
vec3_t neworg;
dt = ViewInterp.OriginTime[ (foundidx + 1) & ORIGIN_MASK ] - ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ];
if ( dt > 0.0 )
{
frac = ( t - ViewInterp.OriginTime[ foundidx & ORIGIN_MASK] ) / dt;
frac = min( 1.0, frac );
VectorSubtract( ViewInterp.Origins[ ( foundidx + 1 ) & ORIGIN_MASK ], ViewInterp.Origins[ foundidx & ORIGIN_MASK ], delta );
VectorMA( ViewInterp.Origins[ foundidx & ORIGIN_MASK ], frac, delta, neworg );
// Dont interpolate large changes
if ( Length( delta ) < 64 )
{
VectorSubtract( neworg, pparams->simorg, delta );
VectorAdd( pparams->simorg, delta, pparams->simorg );
VectorAdd( pparams->vieworg, delta, pparams->vieworg );
VectorAdd( view->origin, delta, view->origin );
//VectorCopy( pparams->simorg, gTopDownViewOrigin );
}
}
}
}
// Store off v_angles before munging for third person
v_angles = pparams->viewangles;
v_lastAngles = pparams->viewangles;
// v_cl_angles = pparams->cl_viewangles; // keep old user mouse angles !
// if ( CL_IsThirdPerson() )
// {
// VectorCopy( camAngles, pparams->viewangles);
// float pitch = camAngles[ 0 ];
//
// // Normalize angles
// if ( pitch > 180 )
// pitch -= 360.0;
// else if ( pitch < -180 )
// pitch += 360;
//
// // Player pitch is inverted
// pitch /= -3.0;
//
// // Slam local player's pitch value
// ent->angles[ 0 ] = pitch;
// ent->curstate.angles[ 0 ] = pitch;
// ent->prevstate.angles[ 0 ] = pitch;
// ent->latched.prevangles[ 0 ] = pitch;
// }
// // override all previous settings if the viewent isn't the client
// if ( pparams->viewentity > pparams->maxclients )
// {
// cl_entity_t *viewentity;
// viewentity = gEngfuncs.GetEntityByIndex( pparams->viewentity );
// if ( viewentity )
// {
// VectorCopy( viewentity->origin, pparams->vieworg );
// VectorCopy( viewentity->angles, pparams->viewangles );
//
// // Store off overridden viewangles
// v_angles = pparams->viewangles;
// }
// }
lasttime = pparams->time;
v_origin = pparams->vieworg;
v_view_ofs = pparams->viewheight;
}
void V_SmoothInterpolateAngles( float * startAngle, float * endAngle, float * finalAngle, float degreesPerSec )
{
float absd,frac,d,threshhold;
NormalizeAngles( startAngle );
NormalizeAngles( endAngle );
for ( int i = 0 ; i < 3 ; i++ )
{
d = endAngle[i] - startAngle[i];
if ( d > 180.0f )
{
d -= 360.0f;
}
else if ( d < -180.0f )
{
d += 360.0f;
}
absd = fabs(d);
if ( absd > 0.01f )
{
frac = degreesPerSec * v_frametime;
threshhold= degreesPerSec / 4;
if ( absd < threshhold )
{
float h = absd / threshhold;
h *= h;
frac*= h; // slow down last degrees
}
if ( frac > absd )
{
finalAngle[i] = endAngle[i];
}
else
{
if ( d>0)
finalAngle[i] = startAngle[i] + frac;
else
finalAngle[i] = startAngle[i] - frac;
}
}
else
{
finalAngle[i] = endAngle[i];
}
}
NormalizeAngles( finalAngle );
}
// Get the origin of the Observer based around the target's position and angles
void V_GetChaseOrigin( float * angles, float * origin, float distance, float * returnvec )
{
vec3_t vecEnd;
vec3_t forward;
vec3_t vecStart;
pmtrace_t * trace;
int maxLoops = 8;
int ignoreent = -1; // first, ignore no entity
cl_entity_t * ent = NULL;
// Trace back from the target using the player's view angles
AngleVectors(angles, forward, NULL, NULL);
VectorScale(forward,-1,forward);
VectorCopy( origin, vecStart );
VectorMA(vecStart, distance , forward, vecEnd);
while ( maxLoops > 0)
{
trace = gEngfuncs.PM_TraceLine( vecStart, vecEnd, PM_TRACELINE_PHYSENTSONLY, 2, ignoreent );
// WARNING! trace->ent is is the number in physent list not the normal entity number
if ( trace->ent <= 0)
break; // we hit the world or nothing, stop trace
ent = gEngfuncs.GetEntityByIndex( PM_GetPhysEntInfo( trace->ent ) );
if ( ent == NULL )
break;
// hit non-player solid BSP , stop here
if ( ent->curstate.solid == SOLID_BSP && !ent->player )
break;
// if close enought to end pos, stop, otherwise continue trace
if( VectorDistance(trace->endpos, vecEnd ) < 1.0f )
{
break;
}
else
{
ignoreent = trace->ent; // ignore last hit entity
VectorCopy( trace->endpos, vecStart);
}
maxLoops--;
}
/* if ( ent )
{
gEngfuncs.Con_Printf("Trace loops %i , entity %i, model %s, solid %i\n",(8-maxLoops),ent->curstate.number, ent->model->name , ent->curstate.solid );
} */
VectorMA( trace->endpos, 4, trace->plane.normal, returnvec );
v_lastDistance = VectorDistance(trace->endpos, origin); // real distance without offset
}
/*void V_GetDeathCam(cl_entity_t * ent1, cl_entity_t * ent2, float * angle, float * origin)
{
float newAngle[3]; float newOrigin[3];
float distance = 168.0f;
v_lastDistance+= v_frametime * 96.0f; // move unit per seconds back
if ( v_resetCamera )
v_lastDistance = 64.0f;
if ( distance > v_lastDistance )
distance = v_lastDistance;
VectorCopy(ent1->origin, newOrigin);
if ( ent1->player )
newOrigin[2]+= 17; // head level of living player
// get new angle towards second target
if ( ent2 )
{
VectorSubtract( ent2->origin, ent1->origin, newAngle );
VectorAngles( newAngle, newAngle );
newAngle[0] = -newAngle[0];
}
else
{
// if no second target is given, look down to dead player
newAngle[0] = 90.0f;
newAngle[1] = 0.0f;
newAngle[2] = 0;
}
// and smooth view
V_SmoothInterpolateAngles( v_lastAngles, newAngle, angle, 120.0f );
V_GetChaseOrigin( angle, newOrigin, distance, origin );
VectorCopy(angle, v_lastAngles);
}*/
void V_GetSingleTargetCam(cl_entity_t * ent1, float * angle, float * origin)
{
float newAngle[3]; float newOrigin[3];
int flags = gHUD.m_Spectator.m_iObserverFlags;
// see is target is a dead player
qboolean deadPlayer = ent1->player && (ent1->curstate.solid == SOLID_NOT);
float dfactor = ( flags & DRC_FLAG_DRAMATIC )? -1.0f : 1.0f;
float distance = 112.0f + ( 16.0f * dfactor ); // get close if dramatic;
// go away in final scenes or if player just died
if ( flags & DRC_FLAG_FINAL )
distance*=2.0f;
else if ( deadPlayer )
distance*=1.5f;
// let v_lastDistance float smoothly away
v_lastDistance+= v_frametime * 32.0f; // move unit per seconds back
if ( distance > v_lastDistance )
distance = v_lastDistance;
VectorCopy(ent1->origin, newOrigin);
if ( ent1->player )
{
if ( deadPlayer )
newOrigin[2]+= 2; //laying on ground
else
newOrigin[2]+= 17; // head level of living player
}
else
newOrigin[2]+= 8; // object, tricky, must be above bomb in CS
// we have no second target, choose view direction based on
// show front of primary target
VectorCopy(ent1->angles, newAngle);
// show dead players from front, normal players back
if ( flags & DRC_FLAG_FACEPLAYER )
newAngle[1]+= 180.0f;
newAngle[0]+= 12.5f * dfactor; // lower angle if dramatic
// if final scene (bomb), show from real high pos
if ( flags & DRC_FLAG_FINAL )
newAngle[0] = 22.5f;
// choose side of object/player
if ( flags & DRC_FLAG_SIDE )
newAngle[1]+=22.5f;
else
newAngle[1]-=22.5f;
V_SmoothInterpolateAngles( v_lastAngles, newAngle, angle, 120.0f );
// HACK, if player is dead don't clip against his dead body, can't check this
V_GetChaseOrigin( angle, newOrigin, distance, origin );
}
float MaxAngleBetweenAngles( float * a1, float * a2 )
{
float d, maxd = 0.0f;
NormalizeAngles( a1 );
NormalizeAngles( a2 );
for ( int i = 0 ; i < 3 ; i++ )
{
d = a2[i] - a1[i];
if ( d > 180 )
{
d -= 360;
}
else if ( d < -180 )
{
d += 360;
}
d = fabs(d);
if ( d > maxd )
maxd=d;
}
return maxd;
}
void V_GetDoubleTargetsCam(cl_entity_t * ent1, const cl_entity_t * ent2,float * angle, float * origin)
{
float newAngle[3]; float newOrigin[3]; float tempVec[3];
int flags = gHUD.m_Spectator.m_iObserverFlags;
float dfactor = ( flags & DRC_FLAG_DRAMATIC )? -1.0f : 1.0f;
float distance = 112.0f + ( 16.0f * dfactor ); // get close if dramatic;
// go away in final scenes or if player just died
if ( flags & DRC_FLAG_FINAL )
distance*=2.0f;
// let v_lastDistance float smoothly away
v_lastDistance+= v_frametime * 32.0f; // move unit per seconds back
if ( distance > v_lastDistance )
distance = v_lastDistance;
VectorCopy(ent1->origin, newOrigin);
if ( ent1->player )
newOrigin[2]+= 17; // head level of living player
else
newOrigin[2]+= 8; // object, tricky, must be above bomb in CS
// get new angle towards second target
VectorSubtract( ent2->origin, ent1->origin, newAngle );
VectorAngles( newAngle, newAngle );
newAngle[0] = -newAngle[0];
// set angle diffrent in Dramtaic scenes
newAngle[0]+= 12.5f * dfactor; // lower angle if dramatic
if ( flags & DRC_FLAG_SIDE )
newAngle[1]+=22.5f;
else
newAngle[1]-=22.5f;
float d = MaxAngleBetweenAngles( v_lastAngles, newAngle );
if ( ( d < v_cameraFocusAngle) && ( v_cameraMode == CAM_MODE_RELAX ) )
{
// difference is to small and we are in relax camera mode, keep viewangles
VectorCopy(v_lastAngles, newAngle );
}
else if ( (d < v_cameraRelaxAngle) && (v_cameraMode == CAM_MODE_FOCUS) )
{
// we catched up with our target, relax again
v_cameraMode = CAM_MODE_RELAX;
}
else
{
// target move too far away, focus camera again
v_cameraMode = CAM_MODE_FOCUS;
}
// and smooth view, if not a scene cut
if ( v_resetCamera || (v_cameraMode == CAM_MODE_RELAX) )
{
VectorCopy( newAngle, angle );
}
else
{
V_SmoothInterpolateAngles( v_lastAngles, newAngle, angle, 180.0f );
}
V_GetChaseOrigin( newAngle, newOrigin, distance, origin );
// move position up, if very close at target
if ( v_lastDistance < 64.0f )
origin[2]+= 16.0f*( 1.0f - (v_lastDistance / 64.0f ) );
// calculate angle to second target
VectorSubtract( ent2->origin, origin, tempVec );
VectorAngles( tempVec, tempVec );
tempVec[0] = -tempVec[0];
/* take middle between two viewangles
InterpolateAngles( newAngle, tempVec, newAngle, 0.5f); */
}
void V_GetDirectedChasePosition(cl_entity_t * ent1, const cl_entity_t * ent2,float * angle, float * origin)
{
if ( v_resetCamera )
{
v_lastDistance = 4096.0f;
// v_cameraMode = CAM_MODE_FOCUS;
}
if ( ( ent2 == (cl_entity_t*)0xFFFFFFFF ) || ( ent1->player && (ent1->curstate.solid == SOLID_NOT) ) )
{
// we have no second target or player just died
V_GetSingleTargetCam(ent1, angle, origin);
}
else if ( ent2 )
{
// keep both target in view
V_GetDoubleTargetsCam( ent1, ent2, angle, origin );
}
else
{
// second target disappeard somehow (dead)
// keep last good viewangle
float newOrigin[3];
int flags = gHUD.m_Spectator.m_iObserverFlags;
float dfactor = ( flags & DRC_FLAG_DRAMATIC )? -1.0f : 1.0f;
float distance = 112.0f + ( 16.0f * dfactor ); // get close if dramatic;
// go away in final scenes or if player just died
if ( flags & DRC_FLAG_FINAL )
distance*=2.0f;
// let v_lastDistance float smoothly away
v_lastDistance+= v_frametime * 32.0f; // move unit per seconds back
if ( distance > v_lastDistance )
distance = v_lastDistance;
VectorCopy(ent1->origin, newOrigin);
if ( ent1->player )
newOrigin[2]+= 17; // head level of living player
else
newOrigin[2]+= 8; // object, tricky, must be above bomb in CS
V_GetChaseOrigin( angle, newOrigin, distance, origin );
}
VectorCopy(angle, v_lastAngles);
}
void V_GetChasePos(int target, float * cl_angles, float * origin, float * angles)
{
cl_entity_t * ent = NULL;
if ( target )
{
ent = gEngfuncs.GetEntityByIndex( target );
};
if (!ent)
{
// just copy a save in-map position
VectorCopy ( vJumpAngles, angles );
VectorCopy ( vJumpOrigin, origin );
return;
}
if ( gHUD.m_Spectator.m_autoDirector->value )
{
if ( g_iUser3 )
V_GetDirectedChasePosition( ent, gEngfuncs.GetEntityByIndex( g_iUser3 ),
angles, origin );
else
V_GetDirectedChasePosition( ent, ( cl_entity_t*)0xFFFFFFFF,
angles, origin );
}
else
{
if ( cl_angles == NULL ) // no mouse angles given, use entity angles ( locked mode )
{
VectorCopy ( ent->angles, angles);
angles[0]*=-1;
}
else
VectorCopy ( cl_angles, angles);
VectorCopy ( ent->origin, origin);
origin[2]+= 28; // DEFAULT_VIEWHEIGHT - some offset
V_GetChaseOrigin( angles, origin, cl_chasedist->value, origin );
}
v_resetCamera = false;
}
void V_ResetChaseCam()
{
v_resetCamera = true;
}
void V_GetInEyePos(int target, float * origin, float * angles )
{
if ( !target)
{
// just copy a save in-map position
VectorCopy ( vJumpAngles, angles );
VectorCopy ( vJumpOrigin, origin );
return;
};
cl_entity_t * ent = gEngfuncs.GetEntityByIndex( target );
if ( !ent )
return;
VectorCopy ( ent->origin, origin );
VectorCopy ( ent->angles, angles );
angles[PITCH]*=-3.0f; // see CL_ProcessEntityUpdate()
if ( ent->curstate.solid == SOLID_NOT )
{
angles[ROLL] = 80; // dead view angle
origin[2]+= -8 ; // PM_DEAD_VIEWHEIGHT
}
else if (ent->curstate.usehull == 1 )
origin[2]+= 12; // VEC_DUCK_VIEW;
else
// exacty eye position can't be caluculated since it depends on
// client values like cl_bobcycle, this offset matches the default values
origin[2]+= 28; // DEFAULT_VIEWHEIGHT
}
void V_GetMapFreePosition( float * cl_angles, float * origin, float * angles )
{
vec3_t forward;
vec3_t zScaledTarget;
VectorCopy(cl_angles, angles);
// modify angles since we don't wanna see map's bottom
angles[0] = 51.25f + 38.75f*(angles[0]/90.0f);
zScaledTarget[0] = gHUD.m_Spectator.m_mapOrigin[0];
zScaledTarget[1] = gHUD.m_Spectator.m_mapOrigin[1];
zScaledTarget[2] = gHUD.m_Spectator.m_mapOrigin[2] * (( 90.0f - angles[0] ) / 90.0f );
AngleVectors(angles, forward, NULL, NULL);
VectorNormalize(forward);
VectorMA(zScaledTarget, -( 4096.0f / gHUD.m_Spectator.m_mapZoom ), forward , origin);
}
void V_GetMapChasePosition(int target, float * cl_angles, float * origin, float * angles)
{
vec3_t forward;
if ( target )
{
cl_entity_t * ent = gEngfuncs.GetEntityByIndex( target );
if ( gHUD.m_Spectator.m_autoDirector->value )
{
// this is done to get the angles made by director mode
V_GetChasePos(target, cl_angles, origin, angles);
VectorCopy(ent->origin, origin);
// keep fix chase angle horizontal
angles[0] = 45.0f;
}
else
{
VectorCopy(cl_angles, angles);
VectorCopy(ent->origin, origin);
// modify angles since we don't wanna see map's bottom
angles[0] = 51.25f + 38.75f*(angles[0]/90.0f);
}
}
else
{
// keep out roaming position, but modify angles
VectorCopy(cl_angles, angles);
angles[0] = 51.25f + 38.75f*(angles[0]/90.0f);
}
origin[2] *= (( 90.0f - angles[0] ) / 90.0f );
angles[2] = 0.0f; // don't roll angle (if chased player is dead)
AngleVectors(angles, forward, NULL, NULL);
VectorNormalize(forward);
VectorMA(origin, -1536, forward, origin);
}
void V_GetMiniMapOriginAndAngle(float * cl_angles, float * origin, float * angles)
{
// Center map on local player
VectorCopy(gEngfuncs.GetLocalPlayer()->curstate.origin, origin);
//v_origin.z += 300;
//// Set view height above parsed map settings
origin[2] = gHUD.m_Spectator.m_OverviewData.origin.z + 100;
//if(gHUD.m_Spectator.m_OverviewData.layers > 0)
//{
// v_origin.z = gHUD.m_Spectator.m_OverviewData.layersHeights[0];
//}
//
//v_origin.z += 300;
//V_GetMapChasePosition(gEngfuncs.GetLocalPlayer()->index, v_cl_angles, v_origin, v_angles );
// Set view like top down
cl_angles[0] = angles[0] = 90;//kTopDownYaw;
cl_angles[1] = angles[1] = 90;//kTopDownPitch;
cl_angles[2] = angles[2] = 0;//kTopDownRoll;
}
int V_FindViewModelByWeaponModel(int weaponindex, int inUser3, int inUser4)
{
int theViewModelIndex = 0;
static char * modelmap[][2] = {
{ kKNPModel, kKNVModel },
{ kHGPModel, kHGVModel },
{ kMGPModel, kMGVModel },
{ kSGPModel, kSGVModel },
{ kHMGPModel, kHMGVModel },
{ kGGPModel, kGGVModel },
{ kTripminePModel, kTripmineVModel },
{ kWelderPModel, kWelderVModel },
{ NULL, NULL }
};
static char * hvymodelmap[][2] = {
{ kKNPModel, kKNHVVModel },
{ kHGPModel, kHGHVVModel },
{ kMGPModel, kMGHVVModel },
{ kSGPModel, kSGHVVModel },
{ kHMGPModel, kHMGHVVModel },
{ kGGPModel, kGGHVVModel },
{ kTripminePModel, kTripmineHVVModel },
{ kWelderPModel, kWelderHVVModel },
{ NULL, NULL }
};
struct model_s * weaponModel = NULL;
// If we're an alien, get view model that way
if((inUser3 == AVH_USER3_ALIEN_PLAYER1) || (inUser3 == AVH_USER3_ALIEN_PLAYER2) || (inUser3 == AVH_USER3_ALIEN_PLAYER3) || (inUser3 == AVH_USER3_ALIEN_PLAYER4) || (inUser3 == AVH_USER3_ALIEN_PLAYER5))
{
const char* theViewModel = "";
switch(inUser3)
{
case AVH_USER3_ALIEN_PLAYER1:
theViewModel = kLevel1ViewModel;
break;
case AVH_USER3_ALIEN_PLAYER2:
theViewModel = kLevel2ViewModel;
break;
case AVH_USER3_ALIEN_PLAYER3:
theViewModel = kLevel3ViewModel;
break;
case AVH_USER3_ALIEN_PLAYER4:
theViewModel = kLevel4ViewModel;
break;
case AVH_USER3_ALIEN_PLAYER5:
theViewModel = kLevel5ViewModel;
break;
}
theViewModelIndex = gEngfuncs.pEventAPI->EV_FindModelIndex(theViewModel);
}
// else we're holding a weapon
else
{
// Take user3 and user4 into account for heavy armor
if(inUser3 == AVH_USER3_MARINE_PLAYER)
{
weaponModel = IEngineStudio.GetModelByIndex( weaponindex );
if ( weaponModel )
{
//int len = strlen( weaponModel->name );
int i = 0;
if(GetHasUpgrade(inUser4, MASK_UPGRADE_13))
{
while ( *hvymodelmap[i] != NULL )
{
const char* theCurrentPWeapon = hvymodelmap[i][0];
const char* theCurrentVWeapon = hvymodelmap[i][1];
if ( !SafeStrcmp( weaponModel->name, theCurrentPWeapon) )
{
theViewModelIndex = gEngfuncs.pEventAPI->EV_FindModelIndex( theCurrentVWeapon );
return theViewModelIndex;
}
i++;
}
}
else
{
while ( *modelmap[i] != NULL )
{
const char* theCurrentPWeapon = modelmap[i][0];
const char* theCurrentVWeapon = modelmap[i][1];
if ( !SafeStrcmp( weaponModel->name, theCurrentPWeapon) )
{
theViewModelIndex = gEngfuncs.pEventAPI->EV_FindModelIndex( theCurrentVWeapon );
return theViewModelIndex;
}
i++;
}
}
}
}
}
return theViewModelIndex;
}
/*
==================
V_CalcSpectatorRefdef
==================
*/
static int lastWeaponModelIndex = 0;
static int lastViewModelIndex = 0;
void V_CalcSpectatorRefdef ( struct ref_params_s * pparams )
{
vec3_t angles;
static viewinterp_t ViewInterp;
static float bob = 0.0f;
static vec3_t velocity ( 0.0f, 0.0f, 0.0f);
static float lasttime;
static float lastang[3];
static float lastorg[3];
vec3_t delta;
pparams->onlyClientDraw = false;
// refresh position
VectorCopy ( pparams->simorg, v_sim_org );
// get old values
VectorCopy ( pparams->cl_viewangles, v_cl_angles );
VectorCopy ( pparams->viewangles, v_angles );
VectorCopy ( pparams->vieworg, v_origin );
VectorCopy ( pparams->viewheight, v_view_ofs);
v_frametime = pparams->frametime;
if ( pparams->nextView == 0 )
{
// first renderer cycle, full screen
if (!gHUD.m_Spectator.IsInOverviewMode())
{
switch ( g_iUser1 )
{
case OBS_CHASE_LOCKED: V_GetChasePos( g_iUser2, NULL, v_origin, v_angles );
break;
case OBS_CHASE_FREE: V_GetChasePos( g_iUser2, v_cl_angles, v_origin, v_angles );
break;
case OBS_ROAMING : VectorCopy (v_cl_angles, v_angles);
VectorCopy (v_sim_org, v_origin);
break;
case OBS_IN_EYE : V_GetInEyePos( g_iUser2, v_origin, v_angles );
break;
}
}
else
{
pparams->onlyClientDraw = true;
V_GetMapFreePosition( v_cl_angles, v_origin, v_angles );
}
// Removed by mmcguire.
/*
switch ( g_iUser1 )
{
case OBS_CHASE_LOCKED: V_GetChasePos( g_iUser2, NULL, v_origin, v_angles );
break;
case OBS_CHASE_FREE: V_GetChasePos( g_iUser2, v_cl_angles, v_origin, v_angles );
break;
case OBS_ROAMING : VectorCopy (v_cl_angles, v_angles);
VectorCopy (v_sim_org, v_origin);
break;
case OBS_IN_EYE : V_GetInEyePos( g_iUser2, v_origin, v_angles );
break;
case OBS_MAP_FREE : pparams->onlyClientDraw = true;
V_GetMapFreePosition( v_cl_angles, v_origin, v_angles );
break;
case OBS_MAP_CHASE : pparams->onlyClientDraw = true;
V_GetMapChasePosition( g_iUser2, v_cl_angles, v_origin, v_angles );
break;
}
*/
// if (g_iUser1)
// {
// // Adjust the viewport so that the letterbox spectator mode
// // doesn't cut anything off.
//
// pparams->viewport[1] += YRES(32);
//pparams->viewport[3] -= YRES(32 * 2);
//
// }
if ( gHUD.m_Spectator.IsInOverviewMode())
{
pparams->nextView = 1; // force a second renderer view
}
gHUD.m_Spectator.m_iDrawCycle = 0;
}
else
{
// second renderer cycle, inset window
// set inset parameters
pparams->viewport[0] = XRES(gHUD.m_Spectator.m_OverviewData.insetWindowX) + 1; // change viewport to inset window
pparams->viewport[1] = YRES(gHUD.m_Spectator.m_OverviewData.insetWindowY) + 1;
pparams->viewport[2] = XRES(gHUD.m_Spectator.m_OverviewData.insetWindowWidth) - 2;
pparams->viewport[3] = YRES(gHUD.m_Spectator.m_OverviewData.insetWindowHeight) - 2;
pparams->nextView = 0; // on further view
pparams->onlyClientDraw = false;
if (gHUD.m_Spectator.IsInOverviewMode())
{
if (g_iUser1 == OBS_IN_EYE)
{
V_GetInEyePos( g_iUser2, v_origin, v_angles );
}
else if (g_iUser1 == OBS_CHASE_FREE)
{
V_GetChasePos( g_iUser2, v_cl_angles, v_origin, v_angles );
}
else if (g_iUser1 == OBS_CHASE_LOCKED)
{
V_GetChasePos( g_iUser2, NULL, v_origin, v_angles );
}
else if (g_iUser1 == OBS_ROAMING)
{
VectorCopy (v_cl_angles, v_angles);
VectorCopy (v_sim_org, v_origin);
}
}
// Removed by mmcguire.
/*
// override some settings in certain modes
switch ( (int)gHUD.m_Spectator.m_pip->value )
{
case INSET_CHASE_FREE : V_GetChasePos( g_iUser2, v_cl_angles, v_origin, v_angles );
break;
case INSET_CHASE_LOCKED : V_GetChasePos( g_iUser2, NULL, v_origin, v_angles );
break;
case INSET_IN_EYE : V_GetInEyePos( g_iUser2, v_origin, v_angles );
break;
case INSET_MAP_FREE : pparams->onlyClientDraw = true;
V_GetMapFreePosition( v_cl_angles, v_origin, v_angles );
break;
case INSET_MAP_CHASE : pparams->onlyClientDraw = true;
if ( g_iUser1 == OBS_ROAMING )
V_GetMapChasePosition( 0, v_cl_angles, v_origin, v_angles );
else
V_GetMapChasePosition( g_iUser2, v_cl_angles, v_origin, v_angles );
break;
}
*/
gHUD.m_Spectator.m_iDrawCycle = 1;
}
// do the smoothing only once per frame, not in roaming or map mode
if ( (gHUD.m_Spectator.m_iDrawCycle == 0) && (g_iUser1 == OBS_IN_EYE) )
{
// smooth angles
VectorSubtract( v_angles, lastang, delta );
if ( Length( delta ) != 0.0f )
{
VectorCopy( v_angles, ViewInterp.Angles[ ViewInterp.CurrentAngle & ORIGIN_MASK ] );
ViewInterp.AngleTime[ ViewInterp.CurrentAngle & ORIGIN_MASK ] = pparams->time;
ViewInterp.CurrentAngle++;
VectorCopy( v_angles, lastang );
}
if ( cl_vsmoothing && cl_vsmoothing->value )
{
int foundidx;
int i;
float t;
t = pparams->time - cl_vsmoothing->value;
for ( i = 1; i < ORIGIN_MASK; i++ )
{
foundidx = ViewInterp.CurrentAngle - 1 - i;
if ( ViewInterp.AngleTime[ foundidx & ORIGIN_MASK ] <= t )
break;
}
if ( i < ORIGIN_MASK && ViewInterp.AngleTime[ foundidx & ORIGIN_MASK ] != 0.0 )
{
// Interpolate
double dt;
float da;
vec3_t v1,v2;
AngleVectors( ViewInterp.Angles[ foundidx & ORIGIN_MASK ], v1, NULL, NULL );
AngleVectors( ViewInterp.Angles[ (foundidx + 1) & ORIGIN_MASK ], v2, NULL, NULL );
da = AngleBetweenVectors( v1, v2 );
dt = ViewInterp.AngleTime[ (foundidx + 1) & ORIGIN_MASK ] - ViewInterp.AngleTime[ foundidx & ORIGIN_MASK ];
if ( dt > 0.0 && ( da < 22.5f) )
{
double frac;
frac = ( t - ViewInterp.AngleTime[ foundidx & ORIGIN_MASK] ) / dt;
frac = min( 1.0, frac );
// interpolate angles
InterpolateAngles( ViewInterp.Angles[ foundidx & ORIGIN_MASK ], ViewInterp.Angles[ (foundidx + 1) & ORIGIN_MASK ], v_angles, frac );
}
}
}
// smooth origin
VectorSubtract( v_origin, lastorg, delta );
if ( Length( delta ) != 0.0 )
{
VectorCopy( v_origin, ViewInterp.Origins[ ViewInterp.CurrentOrigin & ORIGIN_MASK ] );
ViewInterp.OriginTime[ ViewInterp.CurrentOrigin & ORIGIN_MASK ] = pparams->time;
ViewInterp.CurrentOrigin++;
VectorCopy( v_origin, lastorg );
}
// don't smooth in roaming (already smoothd),
if ( cl_vsmoothing && cl_vsmoothing->value )
{
int foundidx;
int i;
float t;
t = pparams->time - cl_vsmoothing->value;
for ( i = 1; i < ORIGIN_MASK; i++ )
{
foundidx = ViewInterp.CurrentOrigin - 1 - i;
if ( ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ] <= t )
break;
}
if ( i < ORIGIN_MASK && ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ] != 0.0 )
{
// Interpolate
vec3_t delta;
double frac;
double dt;
vec3_t neworg;
dt = ViewInterp.OriginTime[ (foundidx + 1) & ORIGIN_MASK ] - ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ];
if ( dt > 0.0 )
{
frac = ( t - ViewInterp.OriginTime[ foundidx & ORIGIN_MASK] ) / dt;
frac = min( 1.0, frac );
VectorSubtract( ViewInterp.Origins[ ( foundidx + 1 ) & ORIGIN_MASK ], ViewInterp.Origins[ foundidx & ORIGIN_MASK ], delta );
VectorMA( ViewInterp.Origins[ foundidx & ORIGIN_MASK ], frac, delta, neworg );
// Dont interpolate large changes
if ( Length( delta ) < 64 )
{
VectorCopy( neworg, v_origin );
}
}
}
}
}
// Hack in weapon model:
cl_entity_t* ent = gEngfuncs.GetEntityByIndex(g_iUser2);
cl_entity_t* gunModel = gEngfuncs.GetViewModel();
if ( (g_iUser1 == OBS_IN_EYE) && ent && g_iUser2 )
{
// get position for weapon model
VectorCopy( v_origin, gunModel->origin);
VectorCopy( v_angles, gunModel->angles);
// add idle tremble
gunModel->angles[PITCH]*=-1;
// calculate player velocity
float timeDiff = ent->curstate.msg_time - ent->prevstate.msg_time;
if ( timeDiff > 0 )
{
vec3_t distance;
VectorSubtract(ent->prevstate.origin, ent->curstate.origin, distance);
VectorScale(distance, 1/timeDiff, distance );
velocity[0] = velocity[0]*0.66f + distance[0]*0.33f;
velocity[1] = velocity[1]*0.66f + distance[1]*0.33f;
velocity[2] = velocity[2]*0.66f + distance[2]*0.33f;
VectorCopy(velocity, pparams->simvel);
pparams->onground = 1;
bob = V_CalcBob( pparams );
}
vec3_t forward;
AngleVectors(v_angles, forward, NULL, NULL );
for ( int i = 0; i < 3; i++ )
{
gunModel->origin[ i ] += bob * 0.4 * forward[ i ];
}
//// throw in a little tilt.
//gunModel->angles[YAW] -= bob * 0.5;
//gunModel->angles[ROLL] -= bob * 1;
//gunModel->angles[PITCH] -= bob * 0.3;
VectorCopy( gunModel->angles, gunModel->curstate.angles );
VectorCopy( gunModel->angles, gunModel->latched.prevangles );
lastWeaponModelIndex = ent->curstate.weaponmodel;
int theCurrentViewModel = V_FindViewModelByWeaponModel( lastWeaponModelIndex, ent->curstate.iuser3, ent->curstate.iuser4);
//if ( lastWeaponModelIndex != ent->curstate.weaponmodel )
if ( lastViewModelIndex != theCurrentViewModel )
{
// weapon model changed
lastViewModelIndex = theCurrentViewModel;
if ( lastViewModelIndex )
{
gEngfuncs.pfnWeaponAnim(0,0); // reset weapon animation
}
else
{
// model not found
gunModel->model = NULL; // disable weaopn model
lastWeaponModelIndex = lastViewModelIndex = 0;
}
}
if ( lastViewModelIndex )
{
gunModel->model = IEngineStudio.GetModelByIndex( lastViewModelIndex );
gunModel->curstate.modelindex = lastViewModelIndex;
gunModel->curstate.frame = 0;
gunModel->curstate.colormap = 0;
gunModel->index = g_iUser2;
}
else
{
gunModel->model = NULL; // disable weaopn model
}
}
else
{
gunModel->model = NULL; // disable weaopn model
lastWeaponModelIndex = lastViewModelIndex = 0;
}
lasttime = pparams->time;
// write back new values into pparams
VectorCopy ( v_cl_angles, pparams->cl_viewangles );
VectorCopy ( v_angles, pparams->viewangles )
VectorCopy ( v_origin, pparams->vieworg );
}
void CL_DLLEXPORT V_CalcRefdef( struct ref_params_s *pparams )
{
// RecClCalcRefdef(pparams);
g_PostProcessShader.ClearFrameBuffer();
// intermission / finale rendering
if ( pparams->intermission )
{
V_CalcIntermissionRefdef ( pparams );
}
else if ( pparams->spectator || g_iUser1 ) // g_iUser true if in spectator mode
{
V_CalcSpectatorRefdef ( pparams );
}
else if ( !pparams->paused )
{
if(gHUD.GetInTopDownMode())
{
V_CalcTopDownRefdef ( pparams );
}
else
{
V_CalcNormalRefdef ( pparams );
}
}
/*
// Example of how to overlay the whole screen with red at 50 % alpha
#define SF_TEST
#if defined SF_TEST
{
screenfade_t sf;
gEngfuncs.pfnGetScreenFade( &sf );
sf.fader = 255;
sf.fadeg = 0;
sf.fadeb = 0;
sf.fadealpha = 128;
sf.fadeFlags = FFADE_STAYOUT | FFADE_OUT;
gEngfuncs.pfnSetScreenFade( &sf );
}
#endif
*/
}
/*
=============
V_DropPunchAngle
=============
*/
void V_DropPunchAngle ( float frametime, float *ev_punchangle )
{
float len;
len = VectorNormalize ( ev_punchangle );
len -= (10.0 + len * 0.5) * frametime;
len = max( len, 0.0 );
VectorScale ( ev_punchangle, len, ev_punchangle );
}
/*
=============
V_PunchAxis
Client side punch effect
=============
*/
void V_PunchAxis( int axis, float punch )
{
ev_punchangle[ axis ] = punch;
}
/*
=============
V_Init
=============
*/
void V_Init (void)
{
gEngfuncs.pfnAddCommand ("centerview", V_StartPitchDrift );
scr_ofsx = gEngfuncs.pfnRegisterVariable( "scr_ofsx","0", 0 );
scr_ofsy = gEngfuncs.pfnRegisterVariable( "scr_ofsy","0", 0 );
scr_ofsz = gEngfuncs.pfnRegisterVariable( "scr_ofsz","0", 0 );
v_centermove = gEngfuncs.pfnRegisterVariable( "v_centermove", "0.15", 0 );
v_centerspeed = gEngfuncs.pfnRegisterVariable( "v_centerspeed","500", 0 );
cl_bobcycle = gEngfuncs.pfnRegisterVariable( "cl_bobcycle","0.8", FCVAR_ARCHIVE);// best default for my experimental gun wag (sjb)
cl_bob = gEngfuncs.pfnRegisterVariable( "cl_bob","0.01", FCVAR_ARCHIVE);// best default for my experimental gun wag (sjb)
cl_bobup = gEngfuncs.pfnRegisterVariable( "cl_bobup","0.5", FCVAR_ARCHIVE);
cl_bobview = gEngfuncs.pfnRegisterVariable( "cl_bobview","0", FCVAR_ARCHIVE);
cl_waterdist = gEngfuncs.pfnRegisterVariable( "cl_waterdist","4", 0 );
cl_hudcam = gEngfuncs.pfnRegisterVariable( "cl_hudcam", "1", 0 );
cl_chasedist = gEngfuncs.pfnRegisterVariable( "cl_chasedist", "200", 0 );
// lightgamma doesn't save to config.cfg otherwise.
cvar_t* lightgamma = gEngfuncs.pfnGetCvarPointer("lightgamma");
lightgamma->flags |= FCVAR_ARCHIVE;
}
//#define TRACE_TEST
#if defined( TRACE_TEST )
extern float in_fov;
/*
====================
CalcFov
====================
*/
float CalcFov (float fov_x, float width, float height)
{
float a;
float x;
if (fov_x < 1 || fov_x > 179)
fov_x = 90; // error, set to 90
x = width/tan(fov_x/360*M_PI);
a = atan (height/x);
a = a*360/M_PI;
return a;
}
int hitent = -1;
extern playermove_t *pmove;
void PM_ParticleLine(vec3_t start, vec3_t end, int pcolor, float life, float vert)
{
float linestep = 2.0f;
float curdist;
float len;
vec3_t curpos;
vec3_t diff;
int i;
// Determine distance;
VectorSubtract(end, start, diff);
len = VectorNormalize(diff);
curdist = 0;
while (curdist <= len)
{
for (i = 0; i < 3; i++)
curpos[i] = start[i] + curdist * diff[i];
pmove->PM_Particle( curpos, pcolor, life, 0, vert);
curdist += linestep;
}
}
void V_Move( int mx, int my )
{
float fov;
float fx, fy;
float dx, dy;
float c_x, c_y;
float dX, dY;
vec3_t forward, up, right;
vec3_t newangles;
vec3_t farpoint;
pmtrace_t tr;
fov = CalcFov( in_fov, (float)ScreenWidth(), (float)ScreenHeight() );
c_x = (float)ScreenWidth() / 2.0;
c_y = (float)ScreenHeight() / 2.0;
dx = (float)mx - c_x;
dy = (float)my - c_y;
// Proportion we moved in each direction
fx = dx / c_x;
fy = dy / c_y;
dX = fx * in_fov / 2.0 ;
dY = fy * fov / 2.0;
newangles = v_angles;
newangles[ YAW ] -= dX;
newangles[ PITCH ] += dY;
// Now rotate v_forward around that point
AngleVectors ( newangles, forward, right, up );
farpoint = v_origin + 8192 * forward;
// Trace
tr = *(gEngfuncs.PM_TraceLine( (float *)&v_origin, (float *)&farpoint, PM_TRACELINE_PHYSENTSONLY, 2 /*point sized hull*/, -1 ));
if ( tr.fraction != 1.0 && tr.ent != 0 )
{
hitent = PM_GetPhysEntInfo( tr.ent );
PM_ParticleLine( (vec3_t)v_origin, (vec3_t)tr.endpos, 5, 1.0, 0.0 );
}
else
{
hitent = -1;
}
}
#endif
///*
//==================
//V_CalcTopDownRefdef
//
//==================
//*/
//void V_CalcTopDownRefdef ( struct ref_params_s *pparams )
//{
// cl_entity_t *ent, *view;
// int i;
// vec3_t angles;
// static viewinterp_t ViewInterp;
//
// static float oldz = 0;
// static float lasttime;
//
// static float lastang[3];
// vec3_t angdelta;
//
// vec3_t camAngles, camForward, camRight, camUp;
// //cl_entity_t *pwater;
//
// // don't allow cheats in multiplayer
// if ( pparams->maxclients > 1 )
// {
// scr_ofsx->value = 0.0;
// scr_ofsy->value = 0.0;
// scr_ofsz->value = 0.0;
// }
//
//
// V_DriftPitch ( pparams );
//
// // ent is the player model ( visible when out of body )
// ent = gEngfuncs.GetLocalPlayer();
//
// // view is the weapon model (only visible from inside body )
// view = gEngfuncs.GetViewModel();
//
// // Observer angle capturing and smoothing
// if ( iHasNewViewOrigin )
// {
// // Get the angles from the physics code
// VectorCopy( gTopDownViewOrigin, pparams->vieworg );
// VectorCopy( gTopDownViewOrigin, pparams->simorg );
// }
//
// // Override position to commander position
// pparams->vieworg[2] = gTopDownHeight;
// pparams->simorg[2] = gTopDownHeight;
//
// // Override view height when in top down
// pparams->viewheight[2] = 0.0f;
//
// // refresh position
// VectorCopy ( pparams->simorg, pparams->vieworg );
// VectorAdd( pparams->vieworg, pparams->viewheight, pparams->vieworg );
//
// // Observer angle capturing and smoothing
// if ( iHasNewViewAngles )
// {
// // Get the angles from the physics code
// VectorCopy( gTopDownViewAngles, pparams->cl_viewangles );
// }
//
// VectorSubtract( pparams->cl_viewangles, lastang, angdelta );
// if ( Length( angdelta ) != 0.0 )
// {
// VectorCopy( pparams->cl_viewangles, ViewInterp.Angles[ ViewInterp.CurrentAngle & ORIGIN_MASK ] );
// ViewInterp.AngleTime[ ViewInterp.CurrentAngle & ORIGIN_MASK ] = pparams->time;
// ViewInterp.CurrentAngle++;
//
// VectorCopy( pparams->cl_viewangles, lastang );
// }
//
// if ( cl_vsmoothing && cl_vsmoothing->value && ( iIsSpectator & SPEC_SMOOTH_ANGLES ) )
// {
// int foundidx;
// int i;
// float t;
//
// if ( cl_vsmoothing->value < 0.0 )
// {
// gEngfuncs.Cvar_SetValue( "cl_vsmoothing", 0.0 );
// }
//
// t = pparams->time - cl_vsmoothing->value;
//
// for ( i = 1; i < ORIGIN_MASK; i++ )
// {
// foundidx = ViewInterp.CurrentAngle - 1 - i;
// if ( ViewInterp.AngleTime[ foundidx & ORIGIN_MASK ] <= t )
// break;
// }
//
// if ( i < ORIGIN_MASK && ViewInterp.AngleTime[ foundidx & ORIGIN_MASK ] != 0.0 )
// {
// // Interpolate
// double dt;
//
// dt = ViewInterp.AngleTime[ (foundidx + 1) & ORIGIN_MASK ] - ViewInterp.AngleTime[ foundidx & ORIGIN_MASK ];
// if ( dt > 0.0 )
// {
// double frac;
//
// frac = ( t - ViewInterp.AngleTime[ foundidx & ORIGIN_MASK] ) / dt;
// frac = min( 1.0, frac );
//
// // interpolate angles
// InterpolateAngles( ViewInterp.Angles[ foundidx & ORIGIN_MASK ], ViewInterp.Angles[ (foundidx + 1) & ORIGIN_MASK ], pparams->cl_viewangles, frac );
//
// VectorCopy( pparams->cl_viewangles, gTopDownViewAngles );
// }
// }
// }
//
//
// VectorCopy ( pparams->cl_viewangles, pparams->viewangles );
//
// gEngfuncs.V_CalcShake();
// gEngfuncs.V_ApplyShake( pparams->vieworg, pparams->viewangles, 1.0 );
//
//// // never let view origin sit exactly on a node line, because a water plane can
//// // dissapear when viewed with the eye exactly on it.
//// // FIXME, we send origin at 1/128 now, change this?
//// // the server protocol only specifies to 1/16 pixel, so add 1/32 in each axis
////
//// pparams->vieworg[0] += 1.0/32;
//// pparams->vieworg[1] += 1.0/32;
//// pparams->vieworg[2] += 1.0/32;
//
// // Check for problems around water, move the viewer artificially if necessary
// // -- this prevents drawing errors in GL due to waves
//
//// if ( pparams->waterlevel >= 2 )
//// {
//// int waterDist, waterEntity;
//// vec3_t point;
//// waterDist = cl_waterdist->value;
////
//// if ( pparams->hardware )
//// {
//// waterEntity = gEngfuncs.PM_WaterEntity( pparams->simorg );
//// if ( waterEntity >= 0 && waterEntity < pparams->max_entities )
//// {
//// pwater = gEngfuncs.GetEntityByIndex( waterEntity );
//// if ( pwater && ( pwater->model != NULL ) )
//// {
//// waterDist += ( pwater->curstate.scale * 16 ); // Add in wave height
//// }
//// }
//// }
//// else
//// {
//// waterEntity = 0; // Don't need this in software
//// }
////
//// VectorCopy( pparams->vieworg, point );
//// }
//
// V_CalcViewRoll ( pparams );
//
// //V_AddIdle ( pparams );
//
// // offsets
// VectorCopy( pparams->cl_viewangles, angles );
//
// AngleVectors ( angles, pparams->forward, pparams->right, pparams->up );
//
// for ( i=0 ; i<3 ; i++ )
// {
// pparams->vieworg[i] += scr_ofsx->value*pparams->forward[i] + scr_ofsy->value*pparams->right[i] + scr_ofsz->value*pparams->up[i];
// }
//
// // Treating cam_ofs[2] as the distance
//// if( CL_IsThirdPerson() )
//// {
//// vec3_t ofs;
////
//// ofs[0] = ofs[1] = ofs[2] = 0.0;
////
//// CL_CameraOffset( (float *)&ofs );
////
//// VectorCopy( ofs, camAngles );
//// camAngles[ ROLL ] = 0;
////
//// AngleVectors( camAngles, camForward, camRight, camUp );
////
//// for ( i = 0; i < 3; i++ )
//// {
//// pparams->vieworg[ i ] += -ofs[2] * camForward[ i ];
//// }
//// }
//
// // Give gun our viewangles
//// VectorCopy ( pparams->cl_viewangles, view->angles );
//
// // set up gun position
//// V_CalcGunAngle ( pparams );
//
// // Use predicted origin as view origin.
// VectorCopy ( pparams->simorg, view->origin );
// VectorAdd( view->origin, pparams->viewheight, view->origin );
//
// // Let the viewmodel shake at about 10% of the amplitude
//// gEngfuncs.V_ApplyShake( view->origin, view->angles, 0.9 );
//
// // smooth out stair step ups
//#if 1
// if ( !pparams->smoothing && pparams->onground && pparams->simorg[2] - oldz > 0)
// {
// float steptime;
//
// steptime = pparams->time - lasttime;
// if (steptime < 0)
// //FIXME I_Error ("steptime < 0");
// steptime = 0;
//
// oldz += steptime * 150;
// if (oldz > pparams->simorg[2])
// oldz = pparams->simorg[2];
// if (pparams->simorg[2] - oldz > 18)
// oldz = pparams->simorg[2]- 18;
// pparams->vieworg[2] += oldz - pparams->simorg[2];
// view->origin[2] += oldz - pparams->simorg[2];
// }
// else
// {
// oldz = pparams->simorg[2];
// }
//#endif
//
// {
// static float lastorg[3];
// vec3_t delta;
//
// VectorSubtract( pparams->simorg, lastorg, delta );
//
// if ( Length( delta ) != 0.0 )
// {
// VectorCopy( pparams->simorg, ViewInterp.Origins[ ViewInterp.CurrentOrigin & ORIGIN_MASK ] );
// ViewInterp.OriginTime[ ViewInterp.CurrentOrigin & ORIGIN_MASK ] = pparams->time;
// ViewInterp.CurrentOrigin++;
//
// VectorCopy( pparams->simorg, lastorg );
// }
// }
//
// // Smooth out whole view in multiplayer when on trains, lifts
// if ( cl_vsmoothing && cl_vsmoothing->value &&
// ( ( iIsSpectator & SPEC_SMOOTH_ORIGIN ) || (pparams->smoothing && ( pparams->maxclients > 1 ) ) ) )
// {
// int foundidx;
// int i;
// float t;
//
// if ( cl_vsmoothing->value < 0.0 )
// {
// gEngfuncs.Cvar_SetValue( "cl_vsmoothing", 0.0 );
// }
//
// t = pparams->time - cl_vsmoothing->value;
//
// for ( i = 1; i < ORIGIN_MASK; i++ )
// {
// foundidx = ViewInterp.CurrentOrigin - 1 - i;
// if ( ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ] <= t )
// break;
// }
//
// if ( i < ORIGIN_MASK && ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ] != 0.0 )
// {
// // Interpolate
// vec3_t delta;
// double frac;
// double dt;
// vec3_t neworg;
//
// dt = ViewInterp.OriginTime[ (foundidx + 1) & ORIGIN_MASK ] - ViewInterp.OriginTime[ foundidx & ORIGIN_MASK ];
// if ( dt > 0.0 )
// {
// frac = ( t - ViewInterp.OriginTime[ foundidx & ORIGIN_MASK] ) / dt;
// frac = min( 1.0, frac );
// VectorSubtract( ViewInterp.Origins[ ( foundidx + 1 ) & ORIGIN_MASK ], ViewInterp.Origins[ foundidx & ORIGIN_MASK ], delta );
// VectorMA( ViewInterp.Origins[ foundidx & ORIGIN_MASK ], frac, delta, neworg );
//
// // Dont interpolate large changes
// if ( Length( delta ) < 64 )
// {
// VectorSubtract( neworg, pparams->simorg, delta );
//
// VectorAdd( pparams->simorg, delta, pparams->simorg );
// VectorAdd( pparams->vieworg, delta, pparams->vieworg );
// VectorAdd( view->origin, delta, view->origin );
//
// VectorCopy( pparams->simorg, gTopDownViewOrigin );
// }
// }
// }
// }
//
// // Store off v_angles before munging for third person
// v_angles = pparams->viewangles;
//
// // override all previous settings if the viewent isn't the client
// if ( pparams->viewentity > pparams->maxclients )
// {
// cl_entity_t *viewentity;
// viewentity = gEngfuncs.GetEntityByIndex( pparams->viewentity );
// if ( viewentity )
// {
// VectorCopy( viewentity->origin, pparams->vieworg );
// VectorCopy( viewentity->angles, pparams->viewangles );
//
// // Store off overridden viewangles
// v_angles = pparams->viewangles;
// }
// }
//
// lasttime = pparams->time;
//
// v_origin = pparams->vieworg;
//}
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