/*
* GClip_SetBrushModel
*
* Also sets mins and maxs for inline bmodels
*/
void GClip_SetBrushModel( edict_t *ent, char *name )
{
struct cmodel_s *cmodel;
if( !name )
{
//racesow
G_Printf( "Warning: GClip_SetBrushModel: NULL model in '%s'", ent->classname ? ent->classname : "no classname\n" );
GClip_UnlinkEntity( ent );
G_FreeEdict( ent );
return;
//!racesow
}
if( !name[0] )
{
ent->s.modelindex = 0;
return;
}
if( name[0] != '*' )
{
ent->s.modelindex = trap_ModelIndex( name );
return;
}
// if it is an inline model, get the size information for it
// world model is special
if( !strcmp( name, "*0" ) )
{
ent->s.modelindex = 0;
cmodel = trap_CM_InlineModel( 0 );
trap_CM_InlineModelBounds( cmodel, ent->r.mins, ent->r.maxs );
return;
}
// racesow: THIS IS A VERY DIRTY "FIX": it assigns normally unreachable models (the ones over MAX_MODELS) to unrelated models..
// normally this only affects buggy maps that otherwise wouldn't load (like amt-freestyle3)
// brush model
//ent->s.modelindex = trap_ModelIndex( name ); // <- This is the unmodified version
ent->s.modelindex = atoi( name+1 );
// !racesow
assert( ent->s.modelindex == (unsigned int)atoi( name + 1 ) );
cmodel = trap_CM_InlineModel( ent->s.modelindex );
trap_CM_InlineModelBounds( cmodel, ent->r.mins, ent->r.maxs );
GClip_LinkEntity( ent );
}
/*
* CG_DemoCam_LookAt
*/
bool CG_DemoCam_LookAt( int trackEnt, vec3_t vieworg, vec3_t viewangles ) {
centity_t *cent;
vec3_t dir;
vec3_t origin;
struct cmodel_s *cmodel;
int i;
if( trackEnt < 1 || trackEnt >= MAX_EDICTS ) {
return false;
}
cent = &cg_entities[trackEnt];
if( cent->serverFrame != cg.frame.serverFrame ) {
return false;
}
// seems to be valid. Find the angles to look at this entity
VectorLerp( cent->prev.origin, cg.lerpfrac, cent->current.origin, origin );
// if having a bounding box, look to its center
if( ( cmodel = CG_CModelForEntity( trackEnt ) ) != NULL ) {
vec3_t mins, maxs;
trap_CM_InlineModelBounds( cmodel, mins, maxs );
for( i = 0; i < 3; i++ )
origin[i] += ( mins[i] + maxs[i] );
}
VectorSubtract( origin, vieworg, dir );
VectorNormalize( dir );
VecToAngles( dir, viewangles );
return true;
}
/*
* GClip_SetBrushModel
*
* Also sets mins and maxs for inline bmodels
*/
void GClip_SetBrushModel( edict_t *ent, const char *name )
{
struct cmodel_s *cmodel;
if( !name )
{
G_Error( "GClip_SetBrushModel: NULL model in '%s'",
ent->classname ? ent->classname : "no classname" );
// racesow
GClip_UnlinkEntity( ent );
G_FreeEdict( ent );
return;
// !racesow
}
if( !name[0] )
{
ent->s.modelindex = 0;
return;
}
if( name[0] != '*' )
{
ent->s.modelindex = trap_ModelIndex( name );
return;
}
// if it is an inline model, get the size information for it
// world model is special
if( !strcmp( name, "*0" ) )
{
ent->s.modelindex = 0;
cmodel = trap_CM_InlineModel( 0 );
trap_CM_InlineModelBounds( cmodel, ent->r.mins, ent->r.maxs );
return;
}
// brush model
ent->s.modelindex = trap_ModelIndex( name );
assert( ent->s.modelindex == (unsigned int)atoi( name + 1 ) );
cmodel = trap_CM_InlineModel( ent->s.modelindex );
trap_CM_InlineModelBounds( cmodel, ent->r.mins, ent->r.maxs );
GClip_LinkEntity( ent );
}
/*
* GClip_ClearWorld
* called after the world model has been loaded, before linking any entities
*/
void GClip_ClearWorld( void )
{
vec3_t world_mins, world_maxs;
struct cmodel_s *world_model;
world_model = trap_CM_InlineModel( 0 );
trap_CM_InlineModelBounds( world_model, world_mins, world_maxs );
GClip_Init_AreaGrid( &g_areagrid, world_mins, world_maxs );
}
/*
* GClip_ClearWorld
* called after the world model has been loaded, before linking any entities
*/
void GClip_ClearWorld( void )
{
vec3_t mins, maxs;
struct cmodel_s *cmodel;
memset( sv_areanodes, 0, sizeof( sv_areanodes ) );
sv_numareanodes = 0;
cmodel = trap_CM_InlineModel( 0 );
trap_CM_InlineModelBounds( cmodel, mins, maxs );
GClip_CreateAreaNode( 0, mins, maxs );
}
/*
* CG_Democam_CalcView
*/
static int CG_Democam_CalcView( void ) {
int i, viewType;
float lerpfrac;
vec3_t v;
viewType = VIEWDEF_PLAYERVIEW;
VectorClear( cam_velocity );
if( currentcam ) {
if( !nextcam ) {
lerpfrac = 0;
} else {
lerpfrac = (float)( demo_time - currentcam->timeStamp ) / (float)( nextcam->timeStamp - currentcam->timeStamp );
}
switch( currentcam->type ) {
case DEMOCAM_FIRSTPERSON:
VectorCopy( cg.view.origin, cam_origin );
VectorCopy( cg.view.angles, cam_angles );
VectorCopy( cg.view.velocity, cam_velocity );
cam_fov = cg.view.fov_y;
break;
case DEMOCAM_THIRDPERSON:
VectorCopy( cg.view.origin, cam_origin );
VectorCopy( cg.view.angles, cam_angles );
VectorCopy( cg.view.velocity, cam_velocity );
cam_fov = cg.view.fov_y;
cam_3dPerson = true;
break;
case DEMOCAM_POSITIONAL:
viewType = VIEWDEF_DEMOCAM;
cam_POVent = 0;
VectorCopy( currentcam->origin, cam_origin );
if( !CG_DemoCam_LookAt( currentcam->trackEnt, cam_origin, cam_angles ) ) {
VectorCopy( currentcam->angles, cam_angles );
}
cam_fov = currentcam->fov;
break;
case DEMOCAM_PATH_LINEAR:
viewType = VIEWDEF_DEMOCAM;
cam_POVent = 0;
VectorCopy( cam_origin, v );
if( !nextcam || nextcam->type == DEMOCAM_FIRSTPERSON || nextcam->type == DEMOCAM_THIRDPERSON ) {
CG_Printf( "Warning: CG_DemoCam: path_linear cam without a valid next cam\n" );
VectorCopy( currentcam->origin, cam_origin );
if( !CG_DemoCam_LookAt( currentcam->trackEnt, cam_origin, cam_angles ) ) {
VectorCopy( currentcam->angles, cam_angles );
}
cam_fov = currentcam->fov;
} else {
VectorLerp( currentcam->origin, lerpfrac, nextcam->origin, cam_origin );
if( !CG_DemoCam_LookAt( currentcam->trackEnt, cam_origin, cam_angles ) ) {
for( i = 0; i < 3; i++ ) cam_angles[i] = LerpAngle( currentcam->angles[i], nextcam->angles[i], lerpfrac );
}
cam_fov = (float)currentcam->fov + (float)( nextcam->fov - currentcam->fov ) * lerpfrac;
}
// set velocity
VectorSubtract( cam_origin, v, cam_velocity );
VectorScale( cam_velocity, 1.0f / (float)cg.frameTime, cam_velocity );
break;
case DEMOCAM_PATH_SPLINE:
viewType = VIEWDEF_DEMOCAM;
cam_POVent = 0;
clamp( lerpfrac, 0, 1 );
VectorCopy( cam_origin, v );
if( !nextcam || nextcam->type == DEMOCAM_FIRSTPERSON || nextcam->type == DEMOCAM_THIRDPERSON ) {
CG_Printf( "Warning: CG_DemoCam: path_spline cam without a valid next cam\n" );
VectorCopy( currentcam->origin, cam_origin );
if( !CG_DemoCam_LookAt( currentcam->trackEnt, cam_origin, cam_angles ) ) {
VectorCopy( currentcam->angles, cam_angles );
}
cam_fov = currentcam->fov;
} else { // valid spline path
#define VectorHermiteInterp( a, at, b, bt, c, v ) ( ( v )[0] = ( 2 * pow( c, 3 ) - 3 * pow( c, 2 ) + 1 ) * a[0] + ( pow( c, 3 ) - 2 * pow( c, 2 ) + c ) * 2 * at[0] + ( -2 * pow( c, 3 ) + 3 * pow( c, 2 ) ) * b[0] + ( pow( c, 3 ) - pow( c, 2 ) ) * 2 * bt[0], ( v )[1] = ( 2 * pow( c, 3 ) - 3 * pow( c, 2 ) + 1 ) * a[1] + ( pow( c, 3 ) - 2 * pow( c, 2 ) + c ) * 2 * at[1] + ( -2 * pow( c, 3 ) + 3 * pow( c, 2 ) ) * b[1] + ( pow( c, 3 ) - pow( c, 2 ) ) * 2 * bt[1], ( v )[2] = ( 2 * pow( c, 3 ) - 3 * pow( c, 2 ) + 1 ) * a[2] + ( pow( c, 3 ) - 2 * pow( c, 2 ) + c ) * 2 * at[2] + ( -2 * pow( c, 3 ) + 3 * pow( c, 2 ) ) * b[2] + ( pow( c, 3 ) - pow( c, 2 ) ) * 2 * bt[2] )
float lerpspline, A, B, C, n1, n2, n3;
cg_democam_t *previouscam = NULL;
cg_democam_t *secondnextcam = NULL;
if( nextcam ) {
secondnextcam = CG_Democam_FindNext( nextcam->timeStamp );
}
if( currentcam->timeStamp > 0 ) {
previouscam = CG_Democam_FindCurrent( currentcam->timeStamp - 1 );
}
if( !previouscam && nextcam && !secondnextcam ) {
lerpfrac = (float)( demo_time - currentcam->timeStamp ) / (float)( nextcam->timeStamp - currentcam->timeStamp );
lerpspline = lerpfrac;
} else if( !previouscam && nextcam && secondnextcam ) {
n1 = nextcam->timeStamp - currentcam->timeStamp;
n2 = secondnextcam->timeStamp - nextcam->timeStamp;
A = n1 * ( n1 - n2 ) / ( pow( n1, 2 ) + n1 * n2 - n1 - n2 );
B = ( 2 * n1 * n2 - n1 - n2 ) / ( pow( n1, 2 ) + n1 * n2 - n1 - n2 );
lerpfrac = (float)( demo_time - currentcam->timeStamp ) / (float)( nextcam->timeStamp - currentcam->timeStamp );
lerpspline = A * pow( lerpfrac, 2 ) + B * lerpfrac;
} else if( previouscam && nextcam && !secondnextcam ) {
n2 = currentcam->timeStamp - previouscam->timeStamp;
n3 = nextcam->timeStamp - currentcam->timeStamp;
A = n3 * ( n2 - n3 ) / ( -n2 - n3 + n2 * n3 + pow( n3, 2 ) );
B = -1 / ( -n2 - n3 + n2 * n3 + pow( n3, 2 ) ) * ( n2 + n3 - 2 * pow( n3, 2 ) );
lerpfrac = (float)( demo_time - currentcam->timeStamp ) / (float)( nextcam->timeStamp - currentcam->timeStamp );
lerpspline = A * pow( lerpfrac, 2 ) + B * lerpfrac;
} else if( previouscam && nextcam && secondnextcam ) {
n1 = currentcam->timeStamp - previouscam->timeStamp;
n2 = nextcam->timeStamp - currentcam->timeStamp;
n3 = secondnextcam->timeStamp - nextcam->timeStamp;
A = -2 * pow( n2, 2 ) * ( -pow( n2, 2 ) + n1 * n3 ) / ( 2 * n2 * n3 + pow( n2, 3 ) * n3 - 3 * pow( n2, 2 ) * n1 + n1 * pow( n2, 3 ) + 2 * n1 * n2 - 3 * pow( n2, 2 ) * n3 - 3 * pow( n2, 3 ) + 2 * pow( n2, 2 ) + pow( n2, 4 ) + n1 * pow( n2, 2 ) * n3 - 3 * n1 * n2 * n3 + 2 * n1 * n3 );
B = pow( n2, 2 ) * ( -2 * n1 - 3 * pow( n2, 2 ) - n2 * n3 + 2 * n3 + 3 * n1 * n3 + n1 * n2 ) / ( 2 * n2 * n3 + pow( n2, 3 ) * n3 - 3 * pow( n2, 2 ) * n1 + n1 * pow( n2, 3 ) + 2 * n1 * n2 - 3 * pow( n2, 2 ) * n3 - 3 * pow( n2, 3 ) + 2 * pow( n2, 2 ) + pow( n2, 4 ) + n1 * pow( n2, 2 ) * n3 - 3 * n1 * n2 * n3 + 2 * n1 * n3 );
C = -( pow( n2, 2 ) * n1 - 2 * n1 * n2 + 3 * n1 * n2 * n3 - 2 * n1 * n3 - 2 * pow( n2, 4 ) + 3 * pow( n2, 3 ) - 2 * pow( n2, 3 ) * n3 + 5 * pow( n2, 2 ) * n3 - 2 * pow( n2, 2 ) - 2 * n2 * n3 ) / ( 2 * n2 * n3 + pow( n2, 3 ) * n3 - 3 * pow( n2, 2 ) * n1 + n1 * pow( n2, 3 ) + 2 * n1 * n2 - 3 * pow( n2, 2 ) * n3 - 3 * pow( n2, 3 ) + 2 * pow( n2, 2 ) + pow( n2, 4 ) + n1 * pow( n2, 2 ) * n3 - 3 * n1 * n2 * n3 + 2 * n1 * n3 );
lerpfrac = (float)( demo_time - currentcam->timeStamp ) / (float)( nextcam->timeStamp - currentcam->timeStamp );
lerpspline = A * pow( lerpfrac, 3 ) + B * pow( lerpfrac, 2 ) + C * lerpfrac;
} else {
lerpfrac = 0;
lerpspline = 0;
}
VectorHermiteInterp( currentcam->origin, currentcam->tangent, nextcam->origin, nextcam->tangent, lerpspline, cam_origin );
if( !CG_DemoCam_LookAt( currentcam->trackEnt, cam_origin, cam_angles ) ) {
VectorHermiteInterp( currentcam->angles, currentcam->angles_tangent, nextcam->angles, nextcam->angles_tangent, lerpspline, cam_angles );
}
cam_fov = (float)currentcam->fov + (float)( nextcam->fov - currentcam->fov ) * lerpfrac;
#undef VectorHermiteInterp
}
// set velocity
VectorSubtract( cam_origin, v, cam_velocity );
VectorScale( cam_velocity, 1.0f / (float)cg.frameTime, cam_velocity );
break;
case DEMOCAM_ORBITAL:
viewType = VIEWDEF_DEMOCAM;
cam_POVent = 0;
cam_fov = currentcam->fov;
VectorCopy( cam_origin, v );
if( !currentcam->trackEnt || currentcam->trackEnt >= MAX_EDICTS ) {
CG_Printf( "Warning: CG_DemoCam: orbital cam needs a track entity set\n" );
VectorCopy( currentcam->origin, cam_origin );
VectorClear( cam_angles );
VectorClear( cam_velocity );
} else {
vec3_t center, forward;
struct cmodel_s *cmodel;
const float ft = (float)cg.frameTime * 0.001f;
// find the trackEnt origin
VectorLerp( cg_entities[currentcam->trackEnt].prev.origin, cg.lerpfrac, cg_entities[currentcam->trackEnt].current.origin, center );
// if having a bounding box, look to its center
if( ( cmodel = CG_CModelForEntity( currentcam->trackEnt ) ) != NULL ) {
vec3_t mins, maxs;
trap_CM_InlineModelBounds( cmodel, mins, maxs );
for( i = 0; i < 3; i++ )
center[i] += ( mins[i] + maxs[i] );
}
if( !cam_orbital_radius ) {
// cam is just started, find distance from cam to trackEnt and keep it as radius
VectorSubtract( currentcam->origin, center, forward );
cam_orbital_radius = VectorNormalize( forward );
VecToAngles( forward, cam_orbital_angles );
}
for( i = 0; i < 3; i++ ) {
cam_orbital_angles[i] += currentcam->angles[i] * ft;
cam_orbital_angles[i] = AngleNormalize360( cam_orbital_angles[i] );
}
AngleVectors( cam_orbital_angles, forward, NULL, NULL );
VectorMA( center, cam_orbital_radius, forward, cam_origin );
// lookat
VectorInverse( forward );
VecToAngles( forward, cam_angles );
}
// set velocity
VectorSubtract( cam_origin, v, cam_velocity );
VectorScale( cam_velocity, 1.0f / ( cg.frameTime * 1000.0f ), cam_velocity );
break;
default:
break;
}
if( currentcam->type != DEMOCAM_ORBITAL ) {
VectorClear( cam_orbital_angles );
cam_orbital_radius = 0;
}
}
return viewType;
}
