jedioutcast/code/cgame/cg_camera.cpp
2013-04-04 13:07:40 -05:00

1410 lines
36 KiB
C++

//Client camera controls for cinematics
// this line must stay at top so the whole PCH thing works...
#include "cg_headers.h"
#include "cg_media.h"
#include "..\game\g_roff.h"
bool in_camera = false;
camera_t client_camera={0};
extern qboolean player_locked;
extern gentity_t *G_Find (gentity_t *from, int fieldofs, const char *match);
extern void G_UseTargets (gentity_t *ent, gentity_t *activator);
void CGCam_FollowDisable( void );
void CGCam_TrackDisable( void );
void CGCam_Distance( float distance, qboolean initLerp );
void CGCam_DistanceDisable( void );
extern int CG_CalcFOVFromX( float fov_x );
/*
TODO:
CloseUp, FullShot & Longshot commands:
camera( CLOSEUP, <entity targetname>, angles(pitch yaw roll) )
Will find the ent, apply angle offset to their head forward(minus pitch),
get a preset distance away and set the FOV. Trace to point, if less than
1.0, put it there and open up FOV accordingly.
Be sure to frame it so that eyespot and tag_head are positioned at proper
places in the frame - ie: eyespot not in center, but not closer than 1/4
screen width to the top...?
*/
/*
-------------------------
CGCam_Init
-------------------------
*/
void CGCam_Init( void )
{
extern qboolean qbVidRestartOccured;
if (!qbVidRestartOccured)
{
memset( &client_camera, 0, sizeof ( camera_t ) );
}
}
/*
-------------------------
CGCam_Enable
-------------------------
*/
extern void CG_CalcVrect(void);
void CGCam_Enable( void )
{
client_camera.bar_alpha = 0.0f;
client_camera.bar_time = cg.time;
client_camera.bar_alpha_source = 0.0f;
client_camera.bar_alpha_dest = 1.0f;
client_camera.bar_height_source = 0.0f;
client_camera.bar_height_dest = 480/10;
client_camera.bar_height = 0.0f;
client_camera.info_state |= CAMERA_BAR_FADING;
client_camera.FOV = CAMERA_DEFAULT_FOV;
client_camera.FOV2 = CAMERA_DEFAULT_FOV;
in_camera = true;
client_camera.next_roff_time = 0;
if ( &g_entities[0] && g_entities[0].client )
{
//Player zero not allowed to do anything
VectorClear( g_entities[0].client->ps.velocity );
g_entities[0].contents = 0;
if ( cg.zoomMode )
{
// need to shut off some form of zooming
cg.zoomMode = 0;
}
for ( int i = 0; i < NUM_FORCE_POWERS; i++ )
{//deactivate any active force powers
g_entities[0].client->ps.forcePowerDuration[i] = 0;
extern void WP_ForcePowerStop( gentity_t *self, forcePowers_t forcePower );
if ( g_entities[0].client->ps.forcePowerDuration[i] || (g_entities[0].client->ps.forcePowersActive&( 1 << i )) )
{
WP_ForcePowerStop( &g_entities[0], (forcePowers_t)i );
}
}
}
}
/*
-------------------------
CGCam_Disable
-------------------------
*/
void CGCam_Disable( void )
{
in_camera = false;
client_camera.bar_alpha = 1.0f;
client_camera.bar_time = cg.time;
client_camera.bar_alpha_source = 1.0f;
client_camera.bar_alpha_dest = 0.0f;
client_camera.bar_height_source = 480/10;
client_camera.bar_height_dest = 0.0f;
client_camera.info_state |= CAMERA_BAR_FADING;
if ( &g_entities[0] && g_entities[0].client )
{
g_entities[0].contents = CONTENTS_BODY;//MASK_PLAYERSOLID;
}
gi.SendServerCommand( NULL, "cts");
}
/*
-------------------------
CGCam_SetPosition
-------------------------
*/
void CGCam_SetPosition( vec3_t org )
{
VectorCopy( org, client_camera.origin );
VectorCopy( client_camera.origin, cg.refdef.vieworg );
}
/*
-------------------------
CGCam_Move
-------------------------
*/
void CGCam_Move( vec3_t dest, float duration )
{
if ( client_camera.info_state & CAMERA_ROFFING )
{
client_camera.info_state &= ~CAMERA_ROFFING;
}
CGCam_TrackDisable();
CGCam_DistanceDisable();
if ( !duration )
{
client_camera.info_state &= ~CAMERA_MOVING;
CGCam_SetPosition( dest );
return;
}
client_camera.info_state |= CAMERA_MOVING;
VectorCopy( dest, client_camera.origin2 );
client_camera.move_duration = duration;
client_camera.move_time = cg.time;
}
/*
-------------------------
CGCam_SetAngles
-------------------------
*/
void CGCam_SetAngles( vec3_t ang )
{
VectorCopy( ang, client_camera.angles );
VectorCopy(client_camera.angles, cg.refdefViewAngles );
}
/*
-------------------------
CGCam_Pan
-------------------------
*/
void CGCam_Pan( vec3_t dest, vec3_t panDirection, float duration )
{
//vec3_t panDirection = {0, 0, 0};
int i;
float delta1 , delta2;
CGCam_FollowDisable();
CGCam_DistanceDisable();
if ( !duration )
{
CGCam_SetAngles( dest );
client_camera.info_state &= ~CAMERA_PANNING;
return;
}
//FIXME: make the dest an absolute value, and pass in a
//panDirection as well. If a panDirection's axis value is
//zero, find the shortest difference for that axis.
//Store the delta in client_camera.angles2.
for( i = 0; i < 3; i++ )
{
dest[i] = AngleNormalize360( dest[i] );
delta1 = dest[i] - AngleNormalize360( client_camera.angles[i] );
if ( delta1 < 0 )
{
delta2 = delta1 + 360;
}
else
{
delta2 = delta1 - 360;
}
if ( !panDirection[i] )
{//Didn't specify a direction, pick shortest
if( fabs(delta1) < fabs(delta2) )
{
client_camera.angles2[i] = delta1;
}
else
{
client_camera.angles2[i] = delta2;
}
}
else if ( panDirection[i] < 0 )
{
if( delta1 < 0 )
{
client_camera.angles2[i] = delta1;
}
else if( delta1 > 0 )
{
client_camera.angles2[i] = delta2;
}
else
{//exact
client_camera.angles2[i] = 0;
}
}
else if ( panDirection[i] > 0 )
{
if( delta1 > 0 )
{
client_camera.angles2[i] = delta1;
}
else if( delta1 < 0 )
{
client_camera.angles2[i] = delta2;
}
else
{//exact
client_camera.angles2[i] = 0;
}
}
}
//VectorCopy( dest, client_camera.angles2 );
client_camera.info_state |= CAMERA_PANNING;
client_camera.pan_duration = duration;
client_camera.pan_time = cg.time;
}
/*
-------------------------
CGCam_SetRoll
-------------------------
*/
void CGCam_SetRoll( float roll )
{
client_camera.angles[2] = roll;
}
/*
-------------------------
CGCam_Roll
-------------------------
*/
void CGCam_Roll( float dest, float duration )
{
if ( !duration )
{
CGCam_SetRoll( dest );
return;
}
//FIXME/NOTE: this will override current panning!!!
client_camera.info_state |= CAMERA_PANNING;
VectorCopy( client_camera.angles, client_camera.angles2 );
client_camera.angles2[2] = AngleDelta( dest, client_camera.angles[2] );
client_camera.pan_duration = duration;
client_camera.pan_time = cg.time;
}
/*
-------------------------
CGCam_SetFOV
-------------------------
*/
void CGCam_SetFOV( float FOV )
{
client_camera.FOV = FOV;
}
/*
-------------------------
CGCam_Zoom
-------------------------
*/
void CGCam_Zoom( float FOV, float duration )
{
if ( !duration )
{
CGCam_SetFOV( FOV );
return;
}
client_camera.info_state |= CAMERA_ZOOMING;
client_camera.FOV_time = cg.time;
client_camera.FOV2 = FOV;
client_camera.FOV_duration = duration;
}
/*
-------------------------
CGCam_Fade
-------------------------
*/
void CGCam_SetFade( vec4_t dest )
{//Instant completion
client_camera.info_state &= ~CAMERA_FADING;
client_camera.fade_duration = 0;
Vector4Copy( dest, client_camera.fade_source );
Vector4Copy( dest, client_camera.fade_color );
}
/*
-------------------------
CGCam_Fade
-------------------------
*/
void CGCam_Fade( vec4_t source, vec4_t dest, float duration )
{
if ( !duration )
{
CGCam_SetFade( dest );
return;
}
Vector4Copy( source, client_camera.fade_source );
Vector4Copy( dest, client_camera.fade_dest );
client_camera.fade_duration = duration;
client_camera.fade_time = cg.time;
client_camera.info_state |= CAMERA_FADING;
}
void CGCam_FollowDisable( void )
{
client_camera.info_state &= ~CAMERA_FOLLOWING;
client_camera.cameraGroup[0] = 0;
client_camera.cameraGroupZOfs = 0;
client_camera.cameraGroupTag[0] = 0;
}
void CGCam_TrackDisable( void )
{
client_camera.info_state &= ~CAMERA_TRACKING;
client_camera.trackEntNum = ENTITYNUM_WORLD;
}
void CGCam_DistanceDisable( void )
{
client_camera.distance = 0;
}
/*
-------------------------
CGCam_Follow
-------------------------
*/
void CGCam_Follow( const char *cameraGroup, float speed, float initLerp )
{
int len;
//Clear any previous
CGCam_FollowDisable();
if(!cameraGroup || !cameraGroup[0])
{
return;
}
if ( Q_stricmp("none", (char *)cameraGroup) == 0 )
{//Turn off all aiming
return;
}
//NOTE: if this interrupts a pan before it's done, need to copy the cg.refdef.viewAngles to the camera.angles!
client_camera.info_state |= CAMERA_FOLLOWING;
client_camera.info_state &= ~CAMERA_PANNING;
len = strlen(cameraGroup);
strncpy( client_camera.cameraGroup, cameraGroup, sizeof(client_camera.cameraGroup) );
//NULL terminate last char in case they type a name too long
client_camera.cameraGroup[len] = 0;
if ( speed )
{
client_camera.followSpeed = speed;
}
else
{
client_camera.followSpeed = 100.0f;
}
if ( initLerp )
{
client_camera.followInitLerp = qtrue;
}
else
{
client_camera.followInitLerp = qfalse;
}
}
/*
-------------------------
Q3_CameraAutoAim
Keeps camera pointed at an entity, usually will be a misc_camera_focus
misc_camera_focus can be on a track that stays closest to it's subjects on that
path (like Q3_CameraAutoTrack) or is can simply always put itself between it's subjects.
misc_camera_focus can also set FOV/camera dist needed to keep the subjects in frame
-------------------------
*/
void CG_CameraAutoAim( const char *name )
{
/*
gentity_t *aimEnt = NULL;
//Clear any previous
CGCam_FollowDisable();
if(Q_stricmp("none", (char *)name) == 0)
{//Turn off all aiming
return;
}
aimEnt = G_Find(NULL, FOFS(targetname), (char *)name);
if(!aimEnt)
{
gi.Printf(S_COLOR_RED"ERROR: %s camera aim target not found\n", name);
return;
}
//Lerp time...
//aimEnt->aimDebounceTime = level.time;//FIXME: over time
client_camera.aimEntNum = aimEnt->s.number;
CGCam_Follow( aimEnt->cameraGroup, aimEnt->speed, aimEnt->spawnflags&1 );
*/
}
/*
-------------------------
CGCam_Track
-------------------------
*/
//void CGCam_Track( char *trackName, float speed, float duration )
void CGCam_Track( const char *trackName, float speed, float initLerp )
{
gentity_t *trackEnt = NULL;
CGCam_TrackDisable();
if(Q_stricmp("none", (char *)trackName) == 0)
{//turn off tracking
return;
}
//NOTE: if this interrupts a move before it's done, need to copy the cg.refdef.vieworg to the camera.origin!
//This will find a path_corner now, not a misc_camera_track
trackEnt = G_Find(NULL, FOFS(targetname), (char *)trackName);
if ( !trackEnt )
{
gi.Printf(S_COLOR_RED"ERROR: %s camera track target not found\n", trackName);
return;
}
client_camera.info_state |= CAMERA_TRACKING;
client_camera.info_state &= ~CAMERA_MOVING;
client_camera.trackEntNum = trackEnt->s.number;
client_camera.initSpeed = speed/10.0f;
client_camera.speed = speed;
client_camera.nextTrackEntUpdateTime = cg.time;
if ( initLerp )
{
client_camera.trackInitLerp = qtrue;
}
else
{
client_camera.trackInitLerp = qfalse;
}
/*
if ( client_camera.info_state & CAMERA_FOLLOWING )
{//Used to snap angles? Do what...?
}
*/
//Set a moveDir
VectorSubtract( trackEnt->currentOrigin, client_camera.origin, client_camera.moveDir );
if ( !client_camera.trackInitLerp )
{//want to snap to first position
//Snap to trackEnt's origin
VectorCopy( trackEnt->currentOrigin, client_camera.origin );
//Set new moveDir if trackEnt has a next path_corner
//Possible that track has no next point, in which case we won't be moving anyway
if ( trackEnt->target && trackEnt->target[0] )
{
gentity_t *newTrackEnt = G_Find( NULL, FOFS(targetname), trackEnt->target );
if ( newTrackEnt )
{
VectorSubtract( newTrackEnt->currentOrigin, client_camera.origin, client_camera.moveDir );
}
}
}
VectorNormalize( client_camera.moveDir );
}
/*
-------------------------
Q3_CameraAutoTrack
Keeps camera a certain distance from target entity but on the specified CameraPath
The distance can be set in a script or derived from a misc_camera_focus.
Dist will interpolate when changed, can also set acceleration/deceleration values.
FOV will also interpolate.
CameraPath might be a MAX path or perhaps a series of path_corners on the map itself
-------------------------
*/
void CG_CameraAutoTrack( const char *name )
{
/*
gentity_t *trackEnt = NULL;
CGCam_TrackDisable();
if(Q_stricmp("none", (char *)name) == 0)
{//turn off tracking
return;
}
//This will find a path_corner now, not a misc_camera_track
trackEnt = G_Find(NULL, FOFS(targetname), (char *)name);
if(!trackEnt)
{
gi.Printf(S_COLOR_RED"ERROR: %s camera track target not found\n", name);
return;
}
//FIXME: last arg will be passed in
CGCam_Track( trackEnt->s.number, trackEnt->speed, qfalse );
//FIXME: this will be a seperate call
CGCam_Distance( trackEnt->radius, qtrue);
*/
}
/*
-------------------------
CGCam_Distance
-------------------------
*/
void CGCam_Distance( float distance, float initLerp )
{
client_camera.distance = distance;
if ( initLerp )
{
client_camera.distanceInitLerp = qtrue;
}
else
{
client_camera.distanceInitLerp = qfalse;
}
}
//========================================================================================
void CGCam_FollowUpdate ( void )
{
vec3_t center, dir, cameraAngles, vec, focus[MAX_CAMERA_GROUP_SUBJECTS];//No more than 16 subjects in a cameraGroup
gentity_t *from = NULL;
centity_t *fromCent = NULL;
int num_subjects = 0, i;
qboolean focused = qfalse;
if ( client_camera.cameraGroup && client_camera.cameraGroup[0] )
{
//Stay centered in my cameraGroup, if I have one
while( NULL != (from = G_Find(from, FOFS(cameraGroup), client_camera.cameraGroup)))
{
/*
if ( from->s.number == client_camera.aimEntNum )
{//This is the misc_camera_focus, we'll be removing this ent altogether eventually
continue;
}
*/
if ( num_subjects >= MAX_CAMERA_GROUP_SUBJECTS )
{
gi.Printf(S_COLOR_RED"ERROR: Too many subjects in shot composition %s", client_camera.cameraGroup);
break;
}
fromCent = &cg_entities[from->s.number];
if ( !fromCent )
{
continue;
}
focused = qfalse;
if ( from->client && client_camera.cameraGroupTag && client_camera.cameraGroupTag[0] && fromCent->gent->ghoul2.size() )
{
int newBolt = gi.G2API_AddBolt( &fromCent->gent->ghoul2[from->playerModel], client_camera.cameraGroupTag );
if ( newBolt != -1 )
{
mdxaBone_t boltMatrix;
vec3_t fromAngles = {0,from->client->ps.legsYaw,0};
gi.G2API_GetBoltMatrix( fromCent->gent->ghoul2, from->playerModel, newBolt, &boltMatrix, fromAngles, fromCent->lerpOrigin, cg.time, cgs.model_draw, fromCent->currentState.modelScale );
gi.G2API_GiveMeVectorFromMatrix( boltMatrix, ORIGIN, focus[num_subjects] );
focused = qtrue;
}
}
if ( !focused )
{
if ( from->s.pos.trType != TR_STATIONARY )
// if ( from->s.pos.trType == TR_INTERPOLATE )
{//use interpolated origin?
VectorCopy(fromCent->lerpOrigin, focus[num_subjects]);
}
else
{
VectorCopy(from->currentOrigin, focus[num_subjects]);
}
//FIXME: make a list here of their s.numbers instead so we can do other stuff with the list below
if ( from->client )
{//Track to their eyes - FIXME: maybe go off a tag?
//FIXME:
//Based on FOV and distance to subject from camera, pick the point that
//keeps eyes 3/4 up from bottom of screen... what about bars?
focus[num_subjects][2] += from->client->ps.viewheight;
}
}
if ( client_camera.cameraGroupZOfs )
{
focus[num_subjects][2] += client_camera.cameraGroupZOfs;
}
num_subjects++;
}
if ( !num_subjects ) // Bad cameragroup
{
gi.Printf(S_COLOR_RED"ERROR: Camera Focus unable to locate cameragroup: %s\n", client_camera.cameraGroup);
return;
}
//Now average all points
VectorCopy( focus[0], center );
for( i = 1; i < num_subjects; i++ )
{
VectorAdd( focus[i], center, center );
}
VectorScale( center, 1.0f/((float)num_subjects), center );
}
else
{
return;
}
//Need to set a speed to keep a distance from
//the subject- fixme: only do this if have a distance
//set
VectorSubtract( client_camera.subjectPos, center, vec );
client_camera.subjectSpeed = VectorLengthSquared( vec ) * 100.0f / cg.frametime;
VectorCopy( center, client_camera.subjectPos );
VectorSubtract( center, cg.refdef.vieworg, dir );//can't use client_camera.origin because it's not updated until the end of the move.
//Get desired angle
vectoangles(dir, cameraAngles);
if ( client_camera.followInitLerp )
{//Lerping
float frac = cg.frametime/100.0f * client_camera.followSpeed/100.f;
for( i = 0; i < 3; i++ )
{
cameraAngles[i] = AngleNormalize180( cameraAngles[i] );
cameraAngles[i] = AngleNormalize180( client_camera.angles[i] + frac * AngleNormalize180(cameraAngles[i] - client_camera.angles[i]) );
cameraAngles[i] = AngleNormalize180( cameraAngles[i] );
}
#ifdef _DEBUG
Com_Printf( "%s\n", vtos(cameraAngles) );
#endif
}
else
{//Snapping, should do this first time if follow_lerp_to_start_duration is zero
//will lerp from this point on
client_camera.followInitLerp = qtrue;
//So tracker doesn't move right away thinking the first angle change
//is the subject moving... FIXME: shouldn't set this until lerp done OR snapped?
client_camera.subjectSpeed = 0;
}
//Point camera to lerp angles
VectorCopy( cameraAngles, client_camera.angles );
}
void CGCam_TrackEntUpdate ( void )
{//FIXME: only do every 100 ms
gentity_t *trackEnt = NULL;
gentity_t *newTrackEnt = NULL;
qboolean reached = qfalse;
vec3_t vec;
float dist;
if ( client_camera.trackEntNum >= 0 && client_camera.trackEntNum < ENTITYNUM_WORLD )
{//We're already heading to a path_corner
trackEnt = &g_entities[client_camera.trackEntNum];
VectorSubtract( trackEnt->currentOrigin, client_camera.origin, vec );
dist = VectorLengthSquared( vec );
if ( dist < 256 )//16 squared
{//FIXME: who should be doing the using here?
G_UseTargets( trackEnt, trackEnt );
reached = qtrue;
}
}
if ( trackEnt && reached )
{
if ( trackEnt->target && trackEnt->target[0] )
{//Find our next path_corner
newTrackEnt = G_Find( NULL, FOFS(targetname), trackEnt->target );
if ( newTrackEnt )
{
if ( newTrackEnt->radius < 0 )
{//Don't bother trying to maintain a radius
client_camera.distance = 0;
client_camera.speed = client_camera.initSpeed;
}
else if ( newTrackEnt->radius > 0 )
{
client_camera.distance = newTrackEnt->radius;
}
if ( newTrackEnt->speed < 0 )
{//go back to our default speed
client_camera.speed = client_camera.initSpeed;
}
else if ( newTrackEnt->speed > 0 )
{
client_camera.speed = newTrackEnt->speed/10.0f;
}
}
}
else
{//stop thinking if this is the last one
CGCam_TrackDisable();
}
}
if ( newTrackEnt )
{//Update will lerp this
client_camera.info_state |= CAMERA_TRACKING;
client_camera.trackEntNum = newTrackEnt->s.number;
VectorCopy( newTrackEnt->currentOrigin, client_camera.trackToOrg );
}
client_camera.nextTrackEntUpdateTime = cg.time + 100;
}
void CGCam_TrackUpdate ( void )
{
vec3_t goalVec, curVec, trackPos, vec;
float goalDist, dist;
qboolean slowDown = qfalse;
if ( client_camera.nextTrackEntUpdateTime <= cg.time )
{
CGCam_TrackEntUpdate();
}
VectorSubtract( client_camera.trackToOrg, client_camera.origin, goalVec );
goalDist = VectorNormalize( goalVec );
if ( goalDist > 100 )
{
goalDist = 100;
}
else if ( goalDist < 10 )
{
goalDist = 10;
}
if ( client_camera.distance && client_camera.info_state & CAMERA_FOLLOWING )
{
float adjust = 0.0f, desiredSpeed = 0.0f;
float dot;
if ( !client_camera.distanceInitLerp )
{
VectorSubtract( client_camera.origin, client_camera.subjectPos, vec );
VectorNormalize( vec );
//FIXME: use client_camera.moveDir here?
VectorMA( client_camera.subjectPos, client_camera.distance, vec, client_camera.origin );
//Snap to first time only
client_camera.distanceInitLerp = qtrue;
return;
}
else if ( client_camera.subjectSpeed > 0.05f )
{//Don't start moving until subject moves
VectorSubtract( client_camera.subjectPos, client_camera.origin, vec );
dist = VectorNormalize(vec);
dot = DotProduct(goalVec, vec);
if ( dist > client_camera.distance )
{//too far away
if ( dot > 0 )
{//Camera is moving toward the subject
adjust = (dist - client_camera.distance);//Speed up
}
else if ( dot < 0 )
{//Camera is moving away from the subject
adjust = (dist - client_camera.distance) * -1.0f;//Slow down
}
}
else if ( dist < client_camera.distance )
{//too close
if(dot > 0)
{//Camera is moving toward the subject
adjust = (client_camera.distance - dist) * -1.0f;//Slow down
}
else if(dot < 0)
{//Camera is moving away from the subject
adjust = (client_camera.distance - dist);//Speed up
}
}
//Speed of the focus + our error
//desiredSpeed = aimCent->gent->speed + (adjust * cg.frametime/100.0f);//cg.frameInterpolation);
desiredSpeed = (adjust);// * cg.frametime/100.0f);//cg.frameInterpolation);
//self->moveInfo.speed = desiredSpeed;
//Don't change speeds faster than 10 every 10th of a second
float max_allowed_accel = MAX_ACCEL_PER_FRAME * (cg.frametime/100.0f);
if ( !client_camera.subjectSpeed )
{//full stop
client_camera.speed = desiredSpeed;
}
else if ( client_camera.speed - desiredSpeed > max_allowed_accel )
{//new speed much slower, slow down at max accel
client_camera.speed -= max_allowed_accel;
}
else if ( desiredSpeed - client_camera.speed > max_allowed_accel )
{//new speed much faster, speed up at max accel
client_camera.speed += max_allowed_accel;
}
else
{//remember this speed
client_camera.speed = desiredSpeed;
}
//Com_Printf("Speed: %4.2f (%4.2f)\n", self->moveInfo.speed, aimCent->gent->speed);
}
}
else
{
//slowDown = qtrue;
}
//FIXME: this probably isn't right, round it out more
VectorScale( goalVec, cg.frametime/100.0f, goalVec );
VectorScale( client_camera.moveDir, (100.0f - cg.frametime)/100.0f, curVec );
VectorAdd( goalVec, curVec, client_camera.moveDir );
VectorNormalize( client_camera.moveDir );
if(slowDown)
{
VectorMA( client_camera.origin, client_camera.speed * goalDist/100.0f * cg.frametime/100.0f, client_camera.moveDir, trackPos );
}
else
{
VectorMA( client_camera.origin, client_camera.speed * cg.frametime/100.0f , client_camera.moveDir, trackPos );
}
//FIXME: Implement
//Need to find point on camera's path that is closest to the desired distance from subject
//OR: Need to intelligently pick this desired distance based on framing...
VectorCopy( trackPos, client_camera.origin );
}
//=========================================================================================
/*
-------------------------
CGCam_UpdateBarFade
-------------------------
*/
void CGCam_UpdateBarFade( void )
{
if ( client_camera.bar_time + BAR_DURATION < cg.time )
{
client_camera.bar_alpha = client_camera.bar_alpha_dest;
client_camera.info_state &= ~CAMERA_BAR_FADING;
client_camera.bar_height = client_camera.bar_height_dest;
}
else
{
client_camera.bar_alpha = client_camera.bar_alpha_source + ( ( client_camera.bar_alpha_dest - client_camera.bar_alpha_source ) / BAR_DURATION ) * ( cg.time - client_camera.bar_time );;
client_camera.bar_height = client_camera.bar_height_source + ( ( client_camera.bar_height_dest - client_camera.bar_height_source ) / BAR_DURATION ) * ( cg.time - client_camera.bar_time );;
}
}
/*
-------------------------
CGCam_UpdateFade
-------------------------
*/
void CGCam_UpdateFade( void )
{
if ( client_camera.info_state & CAMERA_FADING )
{
if ( client_camera.fade_time + client_camera.fade_duration < cg.time )
{
Vector4Copy( client_camera.fade_dest, client_camera.fade_color );
client_camera.info_state &= ~CAMERA_FADING;
}
else
{
for ( int i = 0; i < 4; i++ )
{
client_camera.fade_color[i] = client_camera.fade_source[i] + (( ( client_camera.fade_dest[i] - client_camera.fade_source[i] ) ) / client_camera.fade_duration ) * ( cg.time - client_camera.fade_time );
}
}
}
}
/*
-------------------------
CGCam_Update
-------------------------
*/
static void CGCam_Roff( void );
void CGCam_Update( void )
{
int i;
qboolean checkFollow = qfalse;
qboolean checkTrack = qfalse;
// Apply new roff data to the camera as needed
if ( client_camera.info_state & CAMERA_ROFFING )
{
CGCam_Roff();
}
//Check for a zoom
if ( client_camera.info_state & CAMERA_ZOOMING )
{
float actualFOV_X;
if ( client_camera.FOV_time + client_camera.FOV_duration < cg.time )
{
actualFOV_X = client_camera.FOV = client_camera.FOV2;
client_camera.info_state &= ~CAMERA_ZOOMING;
}
else
{
actualFOV_X = client_camera.FOV + (( ( client_camera.FOV2 - client_camera.FOV ) ) / client_camera.FOV_duration ) * ( cg.time - client_camera.FOV_time );
}
CG_CalcFOVFromX( actualFOV_X );
}
else
{
CG_CalcFOVFromX( client_camera.FOV );
}
//Check for roffing angles
if ( (client_camera.info_state & CAMERA_ROFFING) && !(client_camera.info_state & CAMERA_FOLLOWING) )
{
for ( i = 0; i < 3; i++ )
{
cg.refdefViewAngles[i] = client_camera.angles[i] + ( client_camera.angles2[i] / client_camera.pan_duration ) * ( cg.time - client_camera.pan_time );
}
}
else if ( client_camera.info_state & CAMERA_PANNING )
{
//Note: does not actually change the camera's angles until the pan time is done!
if ( client_camera.pan_time + client_camera.pan_duration < cg.time )
{//finished panning
for ( i = 0; i < 3; i++ )
{
client_camera.angles[i] = AngleNormalize360( ( client_camera.angles[i] + client_camera.angles2[i] ) );
}
client_camera.info_state &= ~CAMERA_PANNING;
VectorCopy(client_camera.angles, cg.refdefViewAngles );
}
else
{//still panning
for ( i = 0; i < 3; i++ )
{
//NOTE: does not store the resultant angle in client_camera.angles until pan is done
cg.refdefViewAngles[i] = client_camera.angles[i] + ( client_camera.angles2[i] / client_camera.pan_duration ) * ( cg.time - client_camera.pan_time );
}
}
}
else
{
checkFollow = qtrue;
}
AnglesToAxis( cg.refdefViewAngles, cg.refdef.viewaxis );
//Check for movement
if ( client_camera.info_state & CAMERA_MOVING )
{
//NOTE: does not actually move the camera until the movement time is done!
if ( client_camera.move_time + client_camera.move_duration < cg.time )
{
VectorCopy( client_camera.origin2, client_camera.origin );
client_camera.info_state &= ~CAMERA_MOVING;
VectorCopy( client_camera.origin, cg.refdef.vieworg );
}
else
{
for ( i = 0; i < 3; i++ )
{
cg.refdef.vieworg[i] = client_camera.origin[i] + (( ( client_camera.origin2[i] - client_camera.origin[i] ) ) / client_camera.move_duration ) * ( cg.time - client_camera.move_time );
}
}
}
else
{
checkTrack = qtrue;
}
if ( checkFollow )
{
if ( client_camera.info_state & CAMERA_FOLLOWING )
{//This needs to be done after camera movement
CGCam_FollowUpdate();
}
VectorCopy(client_camera.angles, cg.refdefViewAngles );
}
if ( checkTrack )
{
if ( client_camera.info_state & CAMERA_TRACKING )
{//This has to run AFTER Follow if the camera is following a cameraGroup
CGCam_TrackUpdate();
}
VectorCopy( client_camera.origin, cg.refdef.vieworg );
}
//Bar fading
if ( client_camera.info_state & CAMERA_BAR_FADING )
{
CGCam_UpdateBarFade();
}
//Normal fading - separate call because can finish after camera is disabled
CGCam_UpdateFade();
//Update shaking if there's any
//CGCam_UpdateSmooth( cg.refdef.vieworg, cg.refdefViewAngles );
CGCam_UpdateShake( cg.refdef.vieworg, cg.refdefViewAngles );
}
/*
-------------------------
CGCam_DrawWideScreen
-------------------------
*/
void CGCam_DrawWideScreen( void )
{
vec4_t modulate;
//Only draw if visible
if ( client_camera.bar_alpha )
{
CGCam_UpdateBarFade();
modulate[0] = modulate[1] = modulate[2] = 0.0f;
modulate[3] = client_camera.bar_alpha;
CG_FillRect( cg.refdef.x, cg.refdef.y, 640, client_camera.bar_height, modulate );
CG_FillRect( cg.refdef.x, cg.refdef.y + 480 - client_camera.bar_height, 640, client_camera.bar_height, modulate );
}
//NOTENOTE: Camera always draws the fades unless the alpha is 0
if ( client_camera.fade_color[3] == 0.0f )
return;
CG_FillRect( cg.refdef.x, cg.refdef.y, 640, 480, client_camera.fade_color );
}
/*
-------------------------
CGCam_RenderScene
-------------------------
*/
void CGCam_RenderScene( void )
{
CGCam_Update();
CG_CalcVrect();
}
/*
-------------------------
CGCam_Shake
-------------------------
*/
void CGCam_Shake( float intensity, int duration )
{
if ( intensity > MAX_SHAKE_INTENSITY )
intensity = MAX_SHAKE_INTENSITY;
client_camera.shake_intensity = intensity;
client_camera.shake_duration = duration;
client_camera.shake_start = cg.time;
}
/*
-------------------------
CGCam_UpdateShake
This doesn't actually affect the camera's info, but passed information instead
-------------------------
*/
void CGCam_UpdateShake( vec3_t origin, vec3_t angles )
{
vec3_t moveDir;
float intensity_scale, intensity;
if ( client_camera.shake_duration <= 0 )
return;
if ( cg.time > ( client_camera.shake_start + client_camera.shake_duration ) )
{
client_camera.shake_intensity = 0;
client_camera.shake_duration = 0;
client_camera.shake_start = 0;
return;
}
//intensity_scale now also takes into account FOV with 90.0 as normal
intensity_scale = 1.0f - ( (float) ( cg.time - client_camera.shake_start ) / (float) client_camera.shake_duration ) * (((client_camera.FOV+client_camera.FOV2)/2.0f)/90.0f);
intensity = client_camera.shake_intensity * intensity_scale;
for ( int i = 0; i < 3; i++ )
{
moveDir[i] = ( crandom() * intensity );
}
//FIXME: Lerp
//Move the camera
VectorAdd( origin, moveDir, origin );
for ( i=0; i < 2; i++ ) // Don't do ROLL
moveDir[i] = ( crandom() * intensity );
//FIXME: Lerp
//Move the angles
VectorAdd( angles, moveDir, angles );
}
void CGCam_Smooth( float intensity, int duration )
{
client_camera.smooth_active=false; // means smooth_origin and angles are valid
if ( intensity>1.0f||intensity==0.0f||duration<1)
{
client_camera.info_state &= ~CAMERA_SMOOTHING;
return;
}
client_camera.info_state |= CAMERA_SMOOTHING;
client_camera.smooth_intensity = intensity;
client_camera.smooth_duration = duration;
client_camera.smooth_start = cg.time;
}
void CGCam_UpdateSmooth( vec3_t origin, vec3_t angles )
{
if (!(client_camera.info_state&CAMERA_SMOOTHING)||cg.time > ( client_camera.smooth_start + client_camera.smooth_duration ))
{
client_camera.info_state &= ~CAMERA_SMOOTHING;
return;
}
if (!client_camera.smooth_active)
{
client_camera.smooth_active=true;
VectorCopy(origin,client_camera.smooth_origin);
return;
}
float factor=client_camera.smooth_intensity;
if (client_camera.smooth_duration>200&&cg.time > ( client_camera.smooth_start + client_camera.smooth_duration-100 ))
{
factor+=(1.0f-client_camera.smooth_intensity)*
(100.0f-(client_camera.smooth_start + client_camera.smooth_duration-cg.time))/100.0f;
}
int i;
for (i=0;i<3;i++)
{
client_camera.smooth_origin[i]*=(1.0f-factor);
client_camera.smooth_origin[i]+=factor*origin[i];
origin[i]=client_camera.smooth_origin[i];
}
}
/*
-------------------------
CGCam_StartRoff
Sets up the camera to use
a rof file
-------------------------
*/
void CGCam_StartRoff( char *roff )
{
CGCam_FollowDisable();
CGCam_TrackDisable();
// Set up the roff state info..we'll hijack the moving and panning code until told otherwise
// ...CAMERA_FOLLOWING would be a case that could override this..
client_camera.info_state |= CAMERA_MOVING;
client_camera.info_state |= CAMERA_PANNING;
if ( !G_LoadRoff( roff ) )
{
// The load failed so don't turn on the roff playback...
Com_Printf( S_COLOR_RED"ROFF camera playback failed\n" );
return;
};
client_camera.info_state |= CAMERA_ROFFING;
strncpy(client_camera.sRoff,roff,sizeof(client_camera.sRoff));
client_camera.roff_frame = 0;
client_camera.next_roff_time = cg.time; // I can work right away
}
/*
-------------------------
CGCam_StopRoff
Stops camera rof
-------------------------
*/
static void CGCam_StopRoff( void )
{
// Clear the roff flag
client_camera.info_state &= ~CAMERA_ROFFING;
client_camera.info_state &= ~CAMERA_MOVING;
}
/*
------------------------------------------------------
CGCam_Roff
Applies the sampled roff data to the camera and does
the lerping itself...this is done because the current
camera interpolation doesn't seem to work all that
great when you are adjusting the camera org and angles
so often...or maybe I'm just on crack.
------------------------------------------------------
*/
static void CGCam_Roff( void )
{
while ( client_camera.next_roff_time <= cg.time )
{
int roff_id;
// Make sure that the roff is cached
roff_id = G_LoadRoff( client_camera.sRoff );
if ( !roff_id )
{
return;
}
roff_list_t *roff = &roffs[ roff_id - 1 ];
vec3_t org, ang;
if ( roff->type == 2 )
{
move_rotate2_t *data = &((move_rotate2_t *)roff->data)[ client_camera.roff_frame ];
VectorCopy( data->origin_delta, org );
VectorCopy( data->rotate_delta, ang );
}
else
{
move_rotate_t *data = &((move_rotate_t *)roff->data)[ client_camera.roff_frame ];
VectorCopy( data->origin_delta, org );
VectorCopy( data->rotate_delta, ang );
}
// Yeah, um, I guess this just has to be negated?
ang[PITCH] =- ang[PITCH];
ang[ROLL] =- ang[ROLL];
// might need to to yaw as well. need a test...
#ifdef _DEBUG
if ( cg_developer.integer )
{
Com_Printf( S_COLOR_GREEN"CamROFF : o:<%.2f %.2f %.2f> a:<%.2f %.2f %.2f>\n",
org[0], org[1], org[2],
ang[0], ang[1], ang[2] );
}
#endif
if ( client_camera.roff_frame )
{
// Don't mess with angles if we are following
if ( !(client_camera.info_state & CAMERA_FOLLOWING) )
{
VectorAdd( client_camera.angles, client_camera.angles2, client_camera.angles );
}
VectorCopy( client_camera.origin2, client_camera.origin );
}
// Don't mess with angles if we are following
if ( !(client_camera.info_state & CAMERA_FOLLOWING) )
{
VectorCopy( ang, client_camera.angles2 );
client_camera.pan_time = cg.time;
client_camera.pan_duration = roff->mFrameTime;
}
VectorAdd( client_camera.origin, org, client_camera.origin2 );
client_camera.move_time = cg.time;
client_camera.move_duration = roff->mFrameTime;
if ( ++client_camera.roff_frame >= roff->frames )
{
CGCam_StopRoff();
return;
}
// Check back in frameTime to get the next roff entry
client_camera.next_roff_time += roff->mFrameTime;
}
}
void CMD_CGCam_Disable( void )
{
vec4_t fade = {0, 0, 0, 0};
CGCam_Disable();
CGCam_SetFade( fade );
player_locked = qfalse;
}