/*
===============
Set muzzle location relative to pivoting eye.
===============
*/
void G_CalcMuzzlePoint( gentity_t *self, vec3_t forward, vec3_t right, vec3_t up, vec3_t muzzlePoint )
{
vec3_t normal;
VectorCopy( self->client->ps.origin, muzzlePoint );
BG_GetClientNormal( &self->client->ps, normal );
VectorMA( muzzlePoint, self->client->ps.viewheight, normal, muzzlePoint );
VectorMA( muzzlePoint, 1, forward, muzzlePoint );
// snap to integer coordinates for more efficient network bandwidth usage
SnapVector( muzzlePoint );
}
// this causes a compiler bug on mac MrC compiler
static void CG_StepOffset( void )
{
float steptime;
int timeDelta;
vec3_t normal;
playerState_t *ps = &cg.predictedPlayerState;
BG_GetClientNormal( ps, normal );
steptime = BG_Class( ps->stats[ STAT_CLASS ] )->steptime;
// smooth out stair climbing
timeDelta = cg.time - cg.stepTime;
if( timeDelta < steptime )
{
float stepChange = cg.stepChange
* (steptime - timeDelta) / steptime;
VectorMA( cg.refdef.vieworg, -stepChange, normal, cg.refdef.vieworg );
}
}
// TODO: Use new vector math library for all calculations.
void ArmorComponent::HandleApplyDamageModifier(float& damage, Util::optional<Vec3> location,
Util::optional<Vec3> direction, int flags, meansOfDeath_t meansOfDeath) {
vec3_t origin, bulletPath, bulletAngle, locationRelativeToFloor, floor, normal;
// TODO: Remove dependency on client.
assert(entity.oldEnt->client);
// Use non-regional damage where appropriate.
if (flags & DAMAGE_NO_LOCDAMAGE || !location) {
// TODO: Move G_GetNonLocDamageMod to ArmorComponent.
damage *= GetNonLocationalDamageMod();
return;
}
// Get hit location relative to the floor beneath.
if (g_unlagged.integer && entity.oldEnt->client->unlaggedCalc.used) {
VectorCopy(entity.oldEnt->client->unlaggedCalc.origin, origin);
} else {
VectorCopy(entity.oldEnt->r.currentOrigin, origin);
}
BG_GetClientNormal(&entity.oldEnt->client->ps, normal);
VectorMA(origin, entity.oldEnt->r.mins[2], normal, floor);
VectorSubtract(location.value().Data(), floor, locationRelativeToFloor);
// Get fraction of height where the hit landed.
float height = entity.oldEnt->r.maxs[2] - entity.oldEnt->r.mins[2];
if (!height) height = 1.0f;
float hitRatio = Math::Clamp(DotProduct(normal, locationRelativeToFloor) / VectorLength(normal),
0.0f, height) / height;
// Get the yaw of the attack relative to the target's view yaw
VectorSubtract(location.value().Data(), origin, bulletPath);
vectoangles(bulletPath, bulletAngle);
int hitRotation = AngleNormalize360(entity.oldEnt->client->ps.viewangles[YAW] - bulletAngle[YAW]);
// Use regional modifier.
// TODO: Move G_GetPointDamageMod to ArmorComponent.
damage *= GetLocationalDamageMod(hitRotation, hitRatio);
}
/*
=============
CG_DrawDir
Draw dot marking the direction to an enemy
=============
*/
static void CG_DrawDir( rectDef_t *rect, vec3_t origin, vec4_t colour )
{
vec3_t drawOrigin;
vec3_t noZOrigin;
vec3_t normal, antinormal, normalDiff;
vec3_t view, noZview;
vec3_t up = { 0.0f, 0.0f, 1.0f };
vec3_t top = { 0.0f, -1.0f, 0.0f };
float angle;
playerState_t *ps = &cg.snap->ps;
BG_GetClientNormal( ps, normal );
AngleVectors( entityPositions.vangles, view, NULL, NULL );
ProjectPointOnPlane( noZOrigin, origin, normal );
ProjectPointOnPlane( noZview, view, normal );
VectorNormalize( noZOrigin );
VectorNormalize( noZview );
//calculate the angle between the images of the blip and the view
angle = RAD2DEG( acos( DotProduct( noZOrigin, noZview ) ) );
CrossProduct( noZOrigin, noZview, antinormal );
VectorNormalize( antinormal );
//decide which way to rotate
VectorSubtract( normal, antinormal, normalDiff );
if( VectorLength( normalDiff ) < 1.0f )
angle = 360.0f - angle;
RotatePointAroundVector( drawOrigin, up, top, angle );
trap_R_SetColor( colour );
CG_DrawPic( rect->x + ( rect->w / 2 ) - ( BLIPX2 / 2 ) - drawOrigin[ 0 ] * ( rect->w / 2 ),
rect->y + ( rect->h / 2 ) - ( BLIPY2 / 2 ) + drawOrigin[ 1 ] * ( rect->h / 2 ),
BLIPX2, BLIPY2, cgs.media.scannerBlipShader );
trap_R_SetColor( NULL );
}
bool BotPathIsWalkable( gentity_t *self, botTarget_t target )
{
vec3_t selfPos, targetPos;
vec3_t viewNormal;
botTrace_t trace;
BG_GetClientNormal( &self->client->ps, viewNormal );
VectorMA( self->s.origin, self->r.mins[2], viewNormal, selfPos );
BotGetTargetPos( target, targetPos );
if ( !trap_BotNavTrace( self->s.number, &trace, selfPos, targetPos ) )
{
return false;
}
if ( trace.frac >= 1.0f )
{
return true;
}
else
{
return false;
}
}
/*
==================
PM_StepSlideMove
==================
*/
qboolean PM_StepSlideMove( qboolean gravity, qboolean predictive )
{
vec3_t start_o, start_v;
vec3_t down_o, down_v;
trace_t trace;
vec3_t normal;
vec3_t step_v, step_vNormal;
vec3_t up, down;
float stepSize;
qboolean stepped = qfalse;
BG_GetClientNormal( pm->ps, normal );
VectorCopy( pm->ps->origin, start_o );
VectorCopy( pm->ps->velocity, start_v );
if ( PM_SlideMove( gravity ) == 0 )
{
VectorCopy( start_o, down );
VectorMA( down, -STEPSIZE, normal, down );
pm->trace( &trace, start_o, pm->mins, pm->maxs, down, pm->ps->clientNum, pm->tracemask );
//we can step down
if ( trace.fraction > 0.01f && trace.fraction < 1.0f &&
!trace.allsolid && pml.groundPlane != qfalse )
{
if ( pm->debugLevel > 1 )
{
Com_Printf( "%d: step down\n", c_pmove );
}
stepped = qtrue;
}
}
else
{
VectorCopy( start_o, down );
VectorMA( down, -STEPSIZE, normal, down );
pm->trace( &trace, start_o, pm->mins, pm->maxs, down, pm->ps->clientNum, pm->tracemask );
// never step up when you still have up velocity
if ( DotProduct( trace.plane.normal, pm->ps->velocity ) > 0.0f &&
( trace.fraction == 1.0f || DotProduct( trace.plane.normal, normal ) < 0.7f ) )
{
return stepped;
}
VectorCopy( pm->ps->origin, down_o );
VectorCopy( pm->ps->velocity, down_v );
VectorCopy( start_o, up );
VectorMA( up, STEPSIZE, normal, up );
// test the player position if they were a stepheight higher
pm->trace( &trace, start_o, pm->mins, pm->maxs, up, pm->ps->clientNum, pm->tracemask );
if ( trace.allsolid )
{
if ( pm->debugLevel > 1 )
{
Com_Printf( "%i:bend can't step\n", c_pmove );
}
return stepped; // can't step up
}
VectorSubtract( trace.endpos, start_o, step_v );
VectorCopy( step_v, step_vNormal );
VectorNormalize( step_vNormal );
stepSize = DotProduct( normal, step_vNormal ) * VectorLength( step_v );
// try slidemove from this position
VectorCopy( trace.endpos, pm->ps->origin );
VectorCopy( start_v, pm->ps->velocity );
if ( PM_SlideMove( gravity ) == 0 )
{
if ( pm->debugLevel > 1 )
{
Com_Printf( "%d: step up\n", c_pmove );
}
stepped = qtrue;
}
// push down the final amount
VectorCopy( pm->ps->origin, down );
VectorMA( down, -stepSize, normal, down );
pm->trace( &trace, pm->ps->origin, pm->mins, pm->maxs, down, pm->ps->clientNum, pm->tracemask );
if ( !trace.allsolid )
{
VectorCopy( trace.endpos, pm->ps->origin );
}
if ( trace.fraction < 1.0f )
{
PM_ClipVelocity( pm->ps->velocity, trace.plane.normal, pm->ps->velocity );
}
}
if ( !predictive && stepped )
{
PM_StepEvent( start_o, pm->ps->origin, normal );
}
return stepped;
}
/*
===============
CG_OffsetFirstPersonView
===============
*/
void CG_OffsetFirstPersonView( void )
{
float *origin;
float *angles;
float bob;
float ratio;
float delta;
float speed;
float f;
vec3_t predictedVelocity;
int timeDelta;
float bob2;
vec3_t normal, baseOrigin;
playerState_t *ps = &cg.predictedPlayerState;
BG_GetClientNormal( ps, normal );
if( cg.snap->ps.pm_type == PM_INTERMISSION )
return;
origin = cg.refdef.vieworg;
angles = cg.refdefViewAngles;
VectorCopy( origin, baseOrigin );
// if dead, fix the angle and don't add any kick
if( cg.snap->ps.stats[ STAT_HEALTH ] <= 0 )
{
angles[ ROLL ] = 40;
angles[ PITCH ] = -15;
angles[ YAW ] = cg.snap->ps.stats[ STAT_VIEWLOCK ];
origin[ 2 ] += cg.predictedPlayerState.viewheight;
return;
}
// camera shake effect
else if( cg.snap->ps.stats[ STAT_SHAKE ] > 0 )
{
float fac;
fac = (float) cg.snap->ps.stats[ STAT_SHAKE ] *
cg_cameraShakeMagnitude.value * 0.15f;
angles[ 0 ] += crandom() * fac;
angles[ 1 ] += crandom() * fac;
angles[ 2 ] += crandom() * fac;
}
// add angles based on damage kick
if( cg.damageTime )
{
ratio = cg.time - cg.damageTime;
if( ratio < DAMAGE_DEFLECT_TIME )
{
ratio /= DAMAGE_DEFLECT_TIME;
angles[ PITCH ] += ratio * cg.v_dmg_pitch;
angles[ ROLL ] += ratio * cg.v_dmg_roll;
}
else
{
ratio = 1.0 - ( ratio - DAMAGE_DEFLECT_TIME ) / DAMAGE_RETURN_TIME;
if( ratio > 0 )
{
angles[ PITCH ] += ratio * cg.v_dmg_pitch;
angles[ ROLL ] += ratio * cg.v_dmg_roll;
}
}
}
// add pitch based on fall kick
#if 0
ratio = ( cg.time - cg.landTime) / FALL_TIME;
if (ratio < 0)
ratio = 0;
angles[PITCH] += ratio * cg.fall_value;
#endif
// add angles based on velocity
VectorCopy( cg.predictedPlayerState.velocity, predictedVelocity );
delta = DotProduct( predictedVelocity, cg.refdef.viewaxis[ 0 ] );
angles[ PITCH ] += delta * cg_runpitch.value;
delta = DotProduct( predictedVelocity, cg.refdef.viewaxis[ 1 ] );
angles[ ROLL ] -= delta * cg_runroll.value;
// add angles based on bob
// bob amount is class dependant
if( cg.snap->ps.persistant[ PERS_SPECSTATE ] != SPECTATOR_NOT )
bob2 = 0.0f;
else
bob2 = BG_Class( cg.predictedPlayerState.stats[ STAT_CLASS ] )->bob;
#define LEVEL4_FEEDBACK 10.0f
//give a charging player some feedback
if( ps->weapon == WP_ALEVEL4 )
{
if( ps->stats[ STAT_MISC ] > 0 )
{
float fraction = (float)ps->stats[ STAT_MISC ] /
LEVEL4_TRAMPLE_CHARGE_MAX;
if( fraction > 1.0f )
fraction = 1.0f;
bob2 *= ( 1.0f + fraction * LEVEL4_FEEDBACK );
}
}
if( bob2 != 0.0f )
{
// make sure the bob is visible even at low speeds
speed = cg.xyspeed > 200 ? cg.xyspeed : 200;
delta = cg.bobfracsin * ( bob2 ) * speed;
if( cg.predictedPlayerState.pm_flags & PMF_DUCKED )
delta *= 3; // crouching
angles[ PITCH ] += delta;
delta = cg.bobfracsin * ( bob2 ) * speed;
if( cg.predictedPlayerState.pm_flags & PMF_DUCKED )
delta *= 3; // crouching accentuates roll
if( cg.bobcycle & 1 )
delta = -delta;
angles[ ROLL ] += delta;
}
#define LEVEL3_FEEDBACK 20.0f
//provide some feedback for pouncing
if( ( cg.predictedPlayerState.weapon == WP_ALEVEL3 ||
cg.predictedPlayerState.weapon == WP_ALEVEL3_UPG ) &&
cg.predictedPlayerState.stats[ STAT_MISC ] > 0 )
{
float fraction1, fraction2;
vec3_t forward;
AngleVectors( angles, forward, NULL, NULL );
VectorNormalize( forward );
fraction1 = (float)cg.predictedPlayerState.stats[ STAT_MISC ] /
LEVEL3_POUNCE_TIME_UPG;
if( fraction1 > 1.0f )
fraction1 = 1.0f;
fraction2 = -sin( fraction1 * M_PI / 2 );
VectorMA( origin, LEVEL3_FEEDBACK * fraction2, forward, origin );
}
#define STRUGGLE_DIST 5.0f
#define STRUGGLE_TIME 250
//allow the player to struggle a little whilst grabbed
if( cg.predictedPlayerState.pm_type == PM_GRABBED )
{
vec3_t forward, right, up;
usercmd_t cmd;
int cmdNum;
float fFraction, rFraction, uFraction;
float fFraction2, rFraction2, uFraction2;
cmdNum = trap_GetCurrentCmdNumber();
trap_GetUserCmd( cmdNum, &cmd );
AngleVectors( angles, forward, right, up );
fFraction = (float)( cg.time - cg.forwardMoveTime ) / STRUGGLE_TIME;
rFraction = (float)( cg.time - cg.rightMoveTime ) / STRUGGLE_TIME;
uFraction = (float)( cg.time - cg.upMoveTime ) / STRUGGLE_TIME;
if( fFraction > 1.0f )
fFraction = 1.0f;
if( rFraction > 1.0f )
rFraction = 1.0f;
if( uFraction > 1.0f )
uFraction = 1.0f;
fFraction2 = -sin( fFraction * M_PI / 2 );
rFraction2 = -sin( rFraction * M_PI / 2 );
uFraction2 = -sin( uFraction * M_PI / 2 );
if( cmd.forwardmove > 0 )
VectorMA( origin, STRUGGLE_DIST * fFraction, forward, origin );
else if( cmd.forwardmove < 0 )
VectorMA( origin, -STRUGGLE_DIST * fFraction, forward, origin );
else
cg.forwardMoveTime = cg.time;
if( cmd.rightmove > 0 )
VectorMA( origin, STRUGGLE_DIST * rFraction, right, origin );
else if( cmd.rightmove < 0 )
VectorMA( origin, -STRUGGLE_DIST * rFraction, right, origin );
else
cg.rightMoveTime = cg.time;
if( cmd.upmove > 0 )
VectorMA( origin, STRUGGLE_DIST * uFraction, up, origin );
else if( cmd.upmove < 0 )
VectorMA( origin, -STRUGGLE_DIST * uFraction, up, origin );
else
cg.upMoveTime = cg.time;
}
if( ( cg.predictedPlayerEntity.currentState.eFlags & EF_POISONCLOUDED ) &&
( cg.time - cg.poisonedTime < PCLOUD_DISORIENT_DURATION) &&
!( cg.snap->ps.pm_flags & PMF_FOLLOW ) )
{
float scale, fraction, pitchFraction;
scale = 1.0f - (float)( cg.time - cg.poisonedTime ) /
BG_PlayerPoisonCloudTime( &cg.predictedPlayerState );
if( scale < 0.0f )
scale = 0.0f;
fraction = sin( ( cg.time - cg.poisonedTime ) / 500.0f * M_PI * PCLOUD_ROLL_FREQUENCY ) *
scale;
pitchFraction = sin( ( cg.time - cg.poisonedTime ) / 200.0f * M_PI * PCLOUD_ROLL_FREQUENCY ) *
scale;
angles[ ROLL ] += fraction * PCLOUD_ROLL_AMPLITUDE;
angles[ YAW ] += fraction * PCLOUD_ROLL_AMPLITUDE;
angles[ PITCH ] += pitchFraction * PCLOUD_ROLL_AMPLITUDE / 2.0f;
}
// this *feels* more realisitic for humans
if( cg.predictedPlayerState.stats[ STAT_TEAM ] == TEAM_HUMANS &&
( cg.predictedPlayerState.pm_type == PM_NORMAL ||
cg.predictedPlayerState.pm_type == PM_JETPACK ) )
{
angles[PITCH] += cg.bobfracsin * bob2 * 0.5;
// heavy breathing effects //FIXME: sound
if( cg.predictedPlayerState.stats[ STAT_STAMINA ] < STAMINA_BREATHING_LEVEL )
{
float deltaBreath = ( cg.predictedPlayerState.stats[ STAT_STAMINA ] -
STAMINA_BREATHING_LEVEL ) / -250.0;
float deltaAngle = cos( (float)cg.time/150.0 ) * deltaBreath;
deltaAngle += ( deltaAngle < 0 ? -deltaAngle : deltaAngle ) * 0.5;
angles[ PITCH ] -= deltaAngle;
}
}
//===================================
// add view height
VectorMA( origin, ps->viewheight, normal, origin );
// smooth out duck height changes
timeDelta = cg.time - cg.duckTime;
if( timeDelta < DUCK_TIME)
{
cg.refdef.vieworg[ 2 ] -= cg.duckChange
* ( DUCK_TIME - timeDelta ) / DUCK_TIME;
}
// add bob height
bob = cg.bobfracsin * cg.xyspeed * bob2;
if( bob > 6 )
bob = 6;
VectorMA( origin, bob, normal, origin );
// add fall height
delta = cg.time - cg.landTime;
if( delta < LAND_DEFLECT_TIME )
{
f = delta / LAND_DEFLECT_TIME;
cg.refdef.vieworg[ 2 ] += cg.landChange * f;
}
else if( delta < LAND_DEFLECT_TIME + LAND_RETURN_TIME )
{
delta -= LAND_DEFLECT_TIME;
f = 1.0 - ( delta / LAND_RETURN_TIME );
cg.refdef.vieworg[ 2 ] += cg.landChange * f;
}
// add step offset
CG_StepOffset( );
}
/*
===============
CG_OffsetThirdPersonView
===============
*/
void CG_OffsetThirdPersonView( void )
{
int i;
vec3_t forward, right, up;
vec3_t view;
trace_t trace;
static vec3_t mins = { -8, -8, -8 };
static vec3_t maxs = { 8, 8, 8 };
vec3_t focusPoint;
vec3_t surfNormal;
int cmdNum;
usercmd_t cmd, oldCmd;
float range;
vec3_t mouseInputAngles;
vec3_t rotationAngles;
vec3_t axis[ 3 ], rotaxis[ 3 ];
float deltaPitch;
static float pitch;
static vec3_t killerPos = { 0, 0, 0 };
// If cg_thirdpersonShoulderViewMode == 2, do shoulder view instead
// If cg_thirdpersonShoulderViewMode == 1, do shoulder view when chasing
// a wallwalker because it's really erratic to watch
if( ( cg_thirdPersonShoulderViewMode.integer == 2 ) ||
( ( cg_thirdPersonShoulderViewMode.integer == 1 ) &&
( cg.snap->ps.stats[ STAT_STATE ] & SS_WALLCLIMBING ) &&
( cg.snap->ps.stats[ STAT_HEALTH ] > 0 ) ) )
{
CG_OffsetShoulderView( );
return;
}
BG_GetClientNormal( &cg.predictedPlayerState, surfNormal );
// Set the view origin to the class's view height
VectorMA( cg.refdef.vieworg, cg.predictedPlayerState.viewheight, surfNormal, cg.refdef.vieworg );
// Set the focus point where the camera will look (at the player's vieworg)
VectorCopy( cg.refdef.vieworg, focusPoint );
// If player is dead, we want the player to be between us and the killer
// so pretend that the player was looking at the killer, then place cam behind them.
if( cg.predictedPlayerState.stats[ STAT_HEALTH ] <= 0 )
{
int killerEntNum = cg.predictedPlayerState.stats[ STAT_VIEWLOCK ];
// already looking at ourself
if( killerEntNum != cg.snap->ps.clientNum )
{
vec3_t lookDirection;
if( cg.wasDeadLastFrame == qfalse || !cg_staticDeathCam.integer )
{
VectorCopy( cg_entities[ killerEntNum ].lerpOrigin, killerPos );
cg.wasDeadLastFrame = qtrue;
}
VectorSubtract( killerPos, cg.refdef.vieworg, lookDirection );
vectoangles( lookDirection, cg.refdefViewAngles );
}
}
// get and rangecheck cg_thirdPersonRange
range = cg_thirdPersonRange.value;
if( range > 150.0f ) range = 150.0f;
if( range < 30.0f ) range = 30.0f;
// Calculate the angle of the camera's position around the player.
// Unless in demo, PLAYING in third person, or in dead-third-person cam, allow the player
// to control camera position offsets using the mouse position.
if( cg.demoPlayback ||
( ( cg.snap->ps.pm_flags & PMF_FOLLOW ) &&
( cg.predictedPlayerState.stats[ STAT_HEALTH ] > 0 ) ) )
{
// Collect our input values from the mouse.
cmdNum = trap_GetCurrentCmdNumber();
trap_GetUserCmd( cmdNum, &cmd );
trap_GetUserCmd( cmdNum - 1, &oldCmd );
// Prevent pitch from wrapping and clamp it within a [-75, 90] range.
// Cgame has no access to ps.delta_angles[] here, so we need to reproduce
// it ourselves.
deltaPitch = SHORT2ANGLE( cmd.angles[ PITCH ] - oldCmd.angles[ PITCH ] );
if( fabs(deltaPitch) < 200.0f )
{
pitch += deltaPitch;
}
mouseInputAngles[ PITCH ] = pitch;
mouseInputAngles[ YAW ] = -1.0f * SHORT2ANGLE( cmd.angles[ YAW ] ); // yaw is inverted
mouseInputAngles[ ROLL ] = 0.0f;
for( i = 0; i < 3; i++ )
mouseInputAngles[ i ] = AngleNormalize180( mouseInputAngles[ i ] );
// Set the rotation angles to be the view angles offset by the mouse input
// Ignore the original pitch though; it's too jerky otherwise
if( !cg_thirdPersonPitchFollow.integer )
cg.refdefViewAngles[ PITCH ] = 0.0f;
for( i = 0; i < 3; i++ )
{
rotationAngles[ i ] = AngleNormalize180(cg.refdefViewAngles[ i ]) + mouseInputAngles[ i ];
AngleNormalize180( rotationAngles[ i ] );
}
// Don't let pitch go too high/too low or the camera flips around and
// that's really annoying.
// However, when we're not on the floor or ceiling (wallwalk) pitch
// may not be pitch, so just let it go.
if( surfNormal[ 2 ] > 0.5f || surfNormal[ 2 ] < -0.5f )
{
if( rotationAngles[ PITCH ] > 85.0f )
rotationAngles[ PITCH ] = 85.0f;
else if( rotationAngles[ PITCH ] < -85.0f )
rotationAngles[ PITCH ] = -85.0f;
}
// Perform the rotations specified by rotationAngles.
AnglesToAxis( rotationAngles, axis );
if( !( cg.snap->ps.stats[ STAT_STATE ] & SS_WALLCLIMBING ) ||
!BG_RotateAxis( cg.snap->ps.grapplePoint, axis, rotaxis, qfalse,
cg.snap->ps.eFlags & EF_WALLCLIMBCEILING ) )
AxisCopy( axis, rotaxis );
// Convert the new axis back to angles.
AxisToAngles( rotaxis, rotationAngles );
}
else
{
if( cg.predictedPlayerState.stats[ STAT_HEALTH ] > 0 )
{
// If we're playing the game in third person, the viewangles already
// take care of our mouselook, so just use them.
for( i = 0; i < 3; i++ )
rotationAngles[ i ] = cg.refdefViewAngles[ i ];
}
else // dead
{
rotationAngles[ PITCH ] = 20.0f;
rotationAngles[ YAW ] = cg.refdefViewAngles[ YAW ];
}
}
rotationAngles[ YAW ] -= cg_thirdPersonAngle.value;
// Move the camera range distance back.
AngleVectors( rotationAngles, forward, right, up );
VectorCopy( cg.refdef.vieworg, view );
VectorMA( view, -range, forward, view );
// Ensure that the current camera position isn't out of bounds and that there
// is nothing between the camera and the player.
if( !cg_cameraMode.integer )
{
// Trace a ray from the origin to the viewpoint to make sure the view isn't
// in a solid block. Use an 8 by 8 block to prevent the view from near clipping anything
CG_Trace( &trace, cg.refdef.vieworg, mins, maxs, view, cg.predictedPlayerState.clientNum, MASK_SOLID );
if( trace.fraction != 1.0f )
{
VectorCopy( trace.endpos, view );
view[ 2 ] += ( 1.0f - trace.fraction ) * 32;
// Try another trace to this position, because a tunnel may have the ceiling
// close enogh that this is poking out.
CG_Trace( &trace, cg.refdef.vieworg, mins, maxs, view, cg.predictedPlayerState.clientNum, MASK_SOLID );
VectorCopy( trace.endpos, view );
}
}
// Set the camera position to what we calculated.
VectorCopy( view, cg.refdef.vieworg );
// The above checks may have moved the camera such that the existing viewangles
// may not still face the player. Recalculate them to do so.
// but if we're dead, don't bother because we'd rather see what killed us
if( cg.predictedPlayerState.stats[ STAT_HEALTH ] > 0 )
{
VectorSubtract( focusPoint, cg.refdef.vieworg, focusPoint );
vectoangles( focusPoint, cg.refdefViewAngles );
}
}
/*
===============
CG_smoothWWTransitions
===============
*/
static void CG_smoothWWTransitions( playerState_t *ps, const vec3_t in, vec3_t out )
{
vec3_t surfNormal, rotAxis, temp;
vec3_t refNormal = { 0.0f, 0.0f, 1.0f };
vec3_t ceilingNormal = { 0.0f, 0.0f, -1.0f };
int i;
float stLocal, sFraction, rotAngle;
float smoothTime, timeMod;
qboolean performed = qfalse;
vec3_t inAxis[ 3 ], lastAxis[ 3 ], outAxis[ 3 ];
if( cg.snap->ps.pm_flags & PMF_FOLLOW )
{
VectorCopy( in, out );
return;
}
//set surfNormal
BG_GetClientNormal( ps, surfNormal );
AnglesToAxis( in, inAxis );
//if we are moving from one surface to another smooth the transition
if( !VectorCompare( surfNormal, cg.lastNormal ) )
{
//if we moving from the ceiling to the floor special case
//( x product of colinear vectors is undefined)
if( VectorCompare( ceilingNormal, cg.lastNormal ) &&
VectorCompare( refNormal, surfNormal ) )
{
AngleVectors( in, temp, NULL, NULL );
ProjectPointOnPlane( rotAxis, temp, refNormal );
VectorNormalize( rotAxis );
rotAngle = 180.0f;
timeMod = 1.5f;
}
else
{
AnglesToAxis( cg.lastVangles, lastAxis );
rotAngle = DotProduct( inAxis[ 0 ], lastAxis[ 0 ] ) +
DotProduct( inAxis[ 1 ], lastAxis[ 1 ] ) +
DotProduct( inAxis[ 2 ], lastAxis[ 2 ] );
rotAngle = RAD2DEG( acos( ( rotAngle - 1.0f ) / 2.0f ) );
CrossProduct( lastAxis[ 0 ], inAxis[ 0 ], temp );
VectorCopy( temp, rotAxis );
CrossProduct( lastAxis[ 1 ], inAxis[ 1 ], temp );
VectorAdd( rotAxis, temp, rotAxis );
CrossProduct( lastAxis[ 2 ], inAxis[ 2 ], temp );
VectorAdd( rotAxis, temp, rotAxis );
VectorNormalize( rotAxis );
timeMod = 1.0f;
}
//add the op
CG_addSmoothOp( rotAxis, rotAngle, timeMod );
}
//iterate through ops
for( i = MAXSMOOTHS - 1; i >= 0; i-- )
{
smoothTime = (int)( cg_wwSmoothTime.integer * cg.sList[ i ].timeMod );
//if this op has time remaining, perform it
if( cg.time < cg.sList[ i ].time + smoothTime )
{
stLocal = 1.0f - ( ( ( cg.sList[ i ].time + smoothTime ) - cg.time ) / smoothTime );
sFraction = -( cos( stLocal * M_PI ) + 1.0f ) / 2.0f;
RotatePointAroundVector( outAxis[ 0 ], cg.sList[ i ].rotAxis,
inAxis[ 0 ], sFraction * cg.sList[ i ].rotAngle );
RotatePointAroundVector( outAxis[ 1 ], cg.sList[ i ].rotAxis,
inAxis[ 1 ], sFraction * cg.sList[ i ].rotAngle );
RotatePointAroundVector( outAxis[ 2 ], cg.sList[ i ].rotAxis,
inAxis[ 2 ], sFraction * cg.sList[ i ].rotAngle );
AxisCopy( outAxis, inAxis );
performed = qtrue;
}
}
//if we performed any ops then return the smoothed angles
//otherwise simply return the in angles
if( performed )
AxisToAngles( outAxis, out );
else
VectorCopy( in, out );
//copy the current normal to the lastNormal
VectorCopy( in, cg.lastVangles );
VectorCopy( surfNormal, cg.lastNormal );
}
static float CalcDamageModifier( vec3_t point, gentity_t *target, class_t pcl, int damageFlags )
{
vec3_t targOrigin, bulletPath, bulletAngle, pMINUSfloor, floor, normal;
float clientHeight, hitRelative, hitRatio, modifier;
int hitRotation;
// handle nonlocational damage
if ( damageFlags & DAMAGE_NO_LOCDAMAGE )
{
return G_GetNonLocDamageMod( pcl );
}
// need a valid point for point damage
if ( point == NULL )
{
return 1.0f;
}
// Get the point location relative to the floor under the target
if ( g_unlagged.integer && target->client && target->client->unlaggedCalc.used )
{
VectorCopy( target->client->unlaggedCalc.origin, targOrigin );
}
else
{
VectorCopy( target->r.currentOrigin, targOrigin );
}
BG_GetClientNormal( &target->client->ps, normal );
VectorMA( targOrigin, target->r.mins[ 2 ], normal, floor );
VectorSubtract( point, floor, pMINUSfloor );
// Get the proportion of the target height where the hit landed
clientHeight = target->r.maxs[ 2 ] - target->r.mins[ 2 ];
if ( !clientHeight )
{
clientHeight = 1.0f;
}
hitRelative = DotProduct( normal, pMINUSfloor ) / VectorLength( normal );
if ( hitRelative < 0.0f )
{
hitRelative = 0.0f;
}
if ( hitRelative > clientHeight )
{
hitRelative = clientHeight;
}
hitRatio = hitRelative / clientHeight;
// Get the yaw of the attack relative to the target's view yaw
VectorSubtract( point, targOrigin, bulletPath );
vectoangles( bulletPath, bulletAngle );
hitRotation = AngleNormalize360( target->client->ps.viewangles[ YAW ] - bulletAngle[ YAW ] );
// Get damage region modifier
modifier = G_GetPointDamageMod( target, pcl, hitRotation, hitRatio );
return modifier;
}
/*
===============
CG_OffsetFirstPersonView
===============
*/
void CG_OffsetFirstPersonView( void )
{
float *origin;
float *angles;
float bob;
float ratio;
float delta;
float speed;
float f;
vec3_t predictedVelocity;
int timeDelta;
float bob2;
vec3_t normal, baseOrigin;
playerState_t *ps = &cg.predictedPlayerState;
BG_GetClientNormal( ps, normal );
if ( cg.snap->ps.pm_type == PM_INTERMISSION )
{
return;
}
origin = cg.refdef.vieworg;
angles = cg.refdefViewAngles;
VectorCopy( origin, baseOrigin );
// if dead, fix the angle and don't add any kick
if ( cg.snap->ps.stats[ STAT_HEALTH ] <= 0 )
{
angles[ ROLL ] = 40;
angles[ PITCH ] = -15;
angles[ YAW ] = cg.snap->ps.stats[ STAT_VIEWLOCK ];
origin[ 2 ] += cg.predictedPlayerState.viewheight;
return;
}
// add angles based on damage kick
if ( cg.damageTime )
{
ratio = cg.time - cg.damageTime;
if ( ratio < DAMAGE_DEFLECT_TIME )
{
ratio /= DAMAGE_DEFLECT_TIME;
angles[ PITCH ] += ratio * cg.v_dmg_pitch;
angles[ ROLL ] += ratio * cg.v_dmg_roll;
}
else
{
ratio = 1.0 - ( ratio - DAMAGE_DEFLECT_TIME ) / DAMAGE_RETURN_TIME;
if ( ratio > 0 )
{
angles[ PITCH ] += ratio * cg.v_dmg_pitch;
angles[ ROLL ] += ratio * cg.v_dmg_roll;
}
}
}
// add pitch based on fall kick
#if 0
ratio = ( cg.time - cg.landTime ) / FALL_TIME;
if ( ratio < 0 )
{
ratio = 0;
}
angles[ PITCH ] += ratio * cg.fall_value;
#endif
// add angles based on velocity
VectorCopy( cg.predictedPlayerState.velocity, predictedVelocity );
delta = DotProduct( predictedVelocity, cg.refdef.viewaxis[ 0 ] );
angles[ PITCH ] += delta * cg_runpitch.value;
delta = DotProduct( predictedVelocity, cg.refdef.viewaxis[ 1 ] );
angles[ ROLL ] -= delta * cg_runroll.value;
// add angles based on bob
// bob amount is class-dependent
if ( cg.snap->ps.persistant[ PERS_SPECSTATE ] != SPECTATOR_NOT )
{
bob2 = 0.0f;
}
else
{
bob2 = BG_Class( cg.predictedPlayerState.stats[ STAT_CLASS ] )->bob;
}
#define LEVEL4_FEEDBACK 10.0f
//give a charging player some feedback
if ( ps->weapon == WP_ALEVEL4 )
{
if ( ps->stats[ STAT_MISC ] > 0 )
{
float fraction = ( float ) ps->stats[ STAT_MISC ] /
LEVEL4_TRAMPLE_CHARGE_MAX;
if ( fraction > 1.0f )
{
fraction = 1.0f;
}
bob2 *= ( 1.0f + fraction * LEVEL4_FEEDBACK );
}
}
if ( bob2 != 0.0f )
{
// make sure the bob is visible even at low speeds
speed = cg.xyspeed > 200 ? cg.xyspeed : 200;
delta = cg.bobfracsin * ( bob2 ) * speed;
if ( cg.predictedPlayerState.pm_flags & PMF_DUCKED )
{
delta *= 3; // crouching
}
angles[ PITCH ] += delta;
delta = cg.bobfracsin * ( bob2 ) * speed;
if ( cg.predictedPlayerState.pm_flags & PMF_DUCKED )
{
delta *= 3; // crouching accentuates roll
}
if ( cg.bobcycle & 1 )
{
delta = -delta;
}
angles[ ROLL ] += delta;
}
#define LEVEL3_FEEDBACK 20.0f
//provide some feedback for pouncing
if ( ( cg.predictedPlayerState.weapon == WP_ALEVEL3 ||
cg.predictedPlayerState.weapon == WP_ALEVEL3_UPG ) &&
cg.predictedPlayerState.stats[ STAT_MISC ] > 0 )
{
float fraction1, fraction2;
vec3_t forward;
AngleVectors( angles, forward, NULL, NULL );
VectorNormalize( forward );
fraction1 = ( float ) cg.predictedPlayerState.stats[ STAT_MISC ] /
LEVEL3_POUNCE_TIME_UPG;
if ( fraction1 > 1.0f )
{
fraction1 = 1.0f;
}
fraction2 = -sin( fraction1 * M_PI / 2 );
VectorMA( origin, LEVEL3_FEEDBACK * fraction2, forward, origin );
}
#define STRUGGLE_DIST 5.0f
#define STRUGGLE_TIME 250
//allow the player to struggle a little whilst grabbed
if ( cg.predictedPlayerState.pm_type == PM_GRABBED )
{
vec3_t forward, right, up;
usercmd_t cmd;
int cmdNum;
float fFraction, rFraction, uFraction;
cmdNum = trap_GetCurrentCmdNumber();
trap_GetUserCmd( cmdNum, &cmd );
AngleVectors( angles, forward, right, up );
fFraction = ( float )( cg.time - cg.forwardMoveTime ) / STRUGGLE_TIME;
rFraction = ( float )( cg.time - cg.rightMoveTime ) / STRUGGLE_TIME;
uFraction = ( float )( cg.time - cg.upMoveTime ) / STRUGGLE_TIME;
if ( fFraction > 1.0f )
{
fFraction = 1.0f;
}
if ( rFraction > 1.0f )
{
rFraction = 1.0f;
}
if ( uFraction > 1.0f )
{
uFraction = 1.0f;
}
if ( cmd.forwardmove > 0 )
{
VectorMA( origin, STRUGGLE_DIST * fFraction, forward, origin );
}
else if ( cmd.forwardmove < 0 )
{
VectorMA( origin, -STRUGGLE_DIST * fFraction, forward, origin );
}
else
{
cg.forwardMoveTime = cg.time;
}
if ( cmd.rightmove > 0 )
{
VectorMA( origin, STRUGGLE_DIST * rFraction, right, origin );
}
else if ( cmd.rightmove < 0 )
{
VectorMA( origin, -STRUGGLE_DIST * rFraction, right, origin );
}
else
{
cg.rightMoveTime = cg.time;
}
if ( cmd.upmove > 0 )
{
VectorMA( origin, STRUGGLE_DIST * uFraction, up, origin );
}
else if ( cmd.upmove < 0 )
{
VectorMA( origin, -STRUGGLE_DIST * uFraction, up, origin );
}
else
{
cg.upMoveTime = cg.time;
}
}
// this *feels* more realisitic for humans <- this comment feels very descriptive
if ( cg.predictedPlayerState.persistant[ PERS_TEAM ] == TEAM_HUMANS &&
cg.predictedPlayerState.pm_type == PM_NORMAL )
{
angles[ PITCH ] += cg.bobfracsin * bob2 * 0.5;
}
// add view height
VectorMA( origin, ps->viewheight, normal, origin );
// smooth out duck height changes
timeDelta = cg.time - cg.duckTime;
if ( timeDelta < DUCK_TIME )
{
cg.refdef.vieworg[ 2 ] -= cg.duckChange
* ( DUCK_TIME - timeDelta ) / DUCK_TIME;
}
// add bob height
bob = cg.bobfracsin * cg.xyspeed * bob2;
if ( bob > 6 )
{
bob = 6;
}
VectorMA( origin, bob, normal, origin );
// add fall height
delta = cg.time - cg.landTime;
if ( delta < LAND_DEFLECT_TIME )
{
f = delta / LAND_DEFLECT_TIME;
cg.refdef.vieworg[ 2 ] += cg.landChange * f;
}
else if ( delta < LAND_DEFLECT_TIME + LAND_RETURN_TIME )
{
delta -= LAND_DEFLECT_TIME;
f = 1.0 - ( delta / LAND_RETURN_TIME );
cg.refdef.vieworg[ 2 ] += cg.landChange * f;
}
// add step offset
CG_StepOffset();
}
/*
==================
PM_StepSlideMove
==================
*/
bool PM_StepSlideMove( bool gravity, bool predictive )
{
vec3_t start_o, start_v;
#ifndef UNREALARENA
vec3_t down_o, down_v;
#endif
trace_t trace;
#ifndef UNREALARENA
vec3_t normal;
vec3_t step_v, step_vNormal;
#endif
vec3_t up, down;
float stepSize;
bool stepped = false;
#ifndef UNREALARENA
BG_GetClientNormal( pm->ps, normal );
#endif
VectorCopy( pm->ps->origin, start_o );
VectorCopy( pm->ps->velocity, start_v );
if ( !PM_SlideMove( gravity ) )
{
#ifdef UNREALARENA
return stepped; // we got exactly where we wanted to go first try
#else
VectorCopy( start_o, down );
VectorMA( down, -STEPSIZE, normal, down );
pm->trace( &trace, start_o, pm->mins, pm->maxs, down, pm->ps->clientNum, pm->tracemask, 0 );
//we can step down
if ( trace.fraction > 0.01f && trace.fraction < 1.0f &&
!trace.allsolid && pml.groundPlane )
{
if ( pm->debugLevel > 1 )
{
Log::Notice( "%d: step down\n", c_pmove );
}
stepped = true;
}
#endif
}
else
{
VectorCopy( start_o, down );
#ifdef UNREALARENA
down[ 2 ] -= STEPSIZE;
#else
VectorMA( down, -STEPSIZE, normal, down );
#endif
pm->trace( &trace, start_o, pm->mins, pm->maxs, down, pm->ps->clientNum, pm->tracemask, 0 );
#ifdef UNREALARENA
VectorSet( up, 0.0f, 0.0f, 1.0f );
#endif
// never step up when you still have up velocity
#ifdef UNREALARENA
if ( pm->ps->velocity[ 2 ] > 0.0f && ( trace.fraction == 1.0f || DotProduct( trace.plane.normal, up ) < 0.7f ) )
#else
if ( DotProduct( trace.plane.normal, pm->ps->velocity ) > 0.0f &&
( trace.fraction == 1.0f || DotProduct( trace.plane.normal, normal ) < 0.7f ) )
#endif
{
return stepped;
}
#ifndef UNREALARENA
// never step up when flying upwards with the jetpack
if ( pm->ps->velocity[ 2 ] > 0.0f && ( pm->ps->stats[ STAT_STATE2 ] & SS2_JETPACK_ACTIVE ) )
{
return stepped;
}
VectorCopy( pm->ps->origin, down_o );
VectorCopy( pm->ps->velocity, down_v );
#endif
VectorCopy( start_o, up );
#ifdef UNREALARENA
up[ 2 ] += STEPSIZE;
#else
VectorMA( up, STEPSIZE, normal, up );
#endif
// test the player position if they were a stepheight higher
pm->trace( &trace, start_o, pm->mins, pm->maxs, up, pm->ps->clientNum, pm->tracemask, 0 );
if ( trace.allsolid )
{
if ( pm->debugLevel > 1 )
{
Log::Notice( "%i:bend can't step\n", c_pmove );
}
return stepped; // can't step up
}
#ifdef UNREALARENA
stepSize = trace.endpos[ 2 ] - start_o[ 2 ];
// if the new position is falling then do nothing
if ( PM_CheckFallingFromLedge( trace.endpos ) )
{
VectorCopy( start_o, pm->ps->origin );
return stepped;
}
#else
VectorSubtract( trace.endpos, start_o, step_v );
VectorCopy( step_v, step_vNormal );
VectorNormalize( step_vNormal );
stepSize = DotProduct( normal, step_vNormal ) * VectorLength( step_v );
#endif
// try slidemove from this position
VectorCopy( trace.endpos, pm->ps->origin );
VectorCopy( start_v, pm->ps->velocity );
#ifdef UNREALARENA
PM_SlideMove( gravity, stepSize );
#else
if ( PM_SlideMove( gravity ) == 0 )
{
if ( pm->debugLevel > 1 )
{
Log::Notice( "%d: step up\n", c_pmove );
}
stepped = true;
}
#endif
// push down the final amount
VectorCopy( pm->ps->origin, down );
#ifdef UNREALARENA
down[ 2 ] -= stepSize;
#else
VectorMA( down, -stepSize, normal, down );
#endif
pm->trace( &trace, pm->ps->origin, pm->mins, pm->maxs, down, pm->ps->clientNum,
pm->tracemask, 0 );
if ( !trace.allsolid )
{
#ifdef UNREALARENA
// if the new position is falling then do nothing
if ( PM_CheckFallingFromLedge( trace.endpos ) )
{
VectorCopy( start_o, pm->ps->origin );
return stepped;
}
#endif
VectorCopy( trace.endpos, pm->ps->origin );
}
if ( trace.fraction < 1.0f )
{
PM_ClipVelocity( pm->ps->velocity, trace.plane.normal, pm->ps->velocity );
}
}
#ifdef UNREALARENA
if ( !predictive )
{
stepped = true;
// use the step move
float delta;
delta = pm->ps->origin[ 2 ] - start_o[ 2 ];
if ( delta > 2.0f )
{
if ( delta < 7.0f )
{
PM_AddEvent( EV_STEP_4 );
}
else if ( delta < 11.0f )
{
PM_AddEvent( EV_STEP_8 );
}
else if ( delta < 15.0f )
{
PM_AddEvent( EV_STEP_12 );
}
else
{
PM_AddEvent( EV_STEP_16 );
}
}
if ( pm->debugLevel > 1 )
{
Log::Notice( "%i:stepped\n", c_pmove );
}
}
#else
if ( !predictive && stepped )
{
PM_StepEvent( start_o, pm->ps->origin, normal );
}
#endif
return stepped;
}
