/*
=============
SV_Submerged
determine how deep the entity is
=============
*/
float SV_Submerged( edict_t *ent )
{
vec3_t point;
vec3_t halfmax;
float waterlevel;
VectorAverage( ent->v.absmin, ent->v.absmax, halfmax );
waterlevel = ent->v.absmin[2] - halfmax[2];
switch( ent->v.waterlevel )
{
case 1:
return SV_RecursiveWaterLevel( halfmax, 0.0f, waterlevel, 0 ) - waterlevel;
case 3:
VectorSet( point, halfmax[0], halfmax[1], ent->v.absmax[2] );
svs.groupmask = ent->v.groupinfo;
if( SV_PointContents( point ) == CONTENTS_WATER )
{
return (ent->v.maxs[2] - ent->v.mins[2]);
}
// intentionally fallthrough
case 2:
return SV_RecursiveWaterLevel( halfmax, ent->v.absmax[2] - halfmax[2], 0.0f, 0 ) - waterlevel;
default:
return 0.0f;
}
}
/*
===============
R_TransEntityCompare
Sorting translucent entities by rendermode then by distance
===============
*/
static int R_TransEntityCompare( const cl_entity_t **a, const cl_entity_t **b )
{
cl_entity_t *ent1, *ent2;
vec3_t vecLen, org;
float len1, len2;
ent1 = (cl_entity_t *)*a;
ent2 = (cl_entity_t *)*b;
// now sort by rendermode
if( R_RankForRenderMode( ent1 ) > R_RankForRenderMode( ent2 ))
return 1;
if( R_RankForRenderMode( ent1 ) < R_RankForRenderMode( ent2 ))
return -1;
// then by distance
if( ent1->model->type == mod_brush )
{
VectorAverage( ent1->model->mins, ent1->model->maxs, org );
VectorAdd( ent1->origin, org, org );
VectorSubtract( RI.vieworg, org, vecLen );
}
else VectorSubtract( RI.vieworg, ent1->origin, vecLen );
len1 = VectorLength( vecLen );
if( ent2->model->type == mod_brush )
{
VectorAverage( ent2->model->mins, ent2->model->maxs, org );
VectorAdd( ent2->origin, org, org );
VectorSubtract( RI.vieworg, org, vecLen );
}
else VectorSubtract( RI.vieworg, ent2->origin, vecLen );
len2 = VectorLength( vecLen );
if( len1 > len2 )
return -1;
if( len1 < len2 )
return 1;
return 0;
}
//
// sound engine implementation
//
qboolean CL_GetEntitySpatialization( int entnum, vec3_t origin, float *pradius )
{
cl_entity_t *ent;
qboolean valid_origin;
ASSERT( origin != NULL );
if( entnum == 0 ) return true; // static sound
if(( entnum - 1 ) == cl.playernum )
{
VectorCopy( cl.frame.local.client.origin, origin );
return true;
}
valid_origin = VectorIsNull( origin ) ? false : true;
ent = CL_GetEntityByIndex( entnum );
// entity is not present on the client but has valid origin
if( !ent || !ent->index ) return valid_origin;
if( ent->curstate.messagenum == 0 )
{
// entity is never has updates on the client
// so we should use static origin instead
return valid_origin;
}
#if 0
// uncomment this if you want enable additional check by PVS
if( ent->curstate.messagenum != cl.parsecount )
return valid_origin;
#endif
// setup origin
VectorAverage( ent->curstate.mins, ent->curstate.maxs, origin );
VectorAdd( origin, ent->curstate.origin, origin );
// setup radius
if( pradius )
{
if( ent->model != NULL && ent->model->radius ) *pradius = ent->model->radius;
else *pradius = RadiusFromBounds( ent->curstate.mins, ent->curstate.maxs );
}
return true;
}
/*
===============
V_SetupOverviewState
Get initial overview values
===============
*/
void V_SetupOverviewState( void )
{
ref_overview_t *ov = &clgame.overView;
float mapAspect, screenAspect, aspect;
ov->rotated = ( world.size[1] <= world.size[0] ) ? true : false;
// calculate nearest aspect
mapAspect = world.size[!ov->rotated] / world.size[ov->rotated];
screenAspect = (float)glState.width / (float)glState.height;
aspect = max( mapAspect, screenAspect );
ov->zNear = world.maxs[2];
ov->zFar = world.mins[2];
ov->flZoom = ( 8192.0f / world.size[ov->rotated] ) / aspect;
VectorAverage( world.mins, world.maxs, ov->origin );
}
/*
=================
FinishBrush
produces a final brush based on the buildBrush->sides array
and links it to the current entity
=================
*/
brush_t *FinishBrush( void )
{
brush_t *b;
// create windings for sides and bounds for brush
if( !CreateBrushWindings( buildBrush ))
return NULL;
// origin brushes are removed, but they set the rotation origin for the rest of the brushes in the entity.
// after the entire entity is parsed, the planenums and texinfos will be adjusted for the origin brush
if( buildBrush->compileFlags & C_ORIGIN )
{
char string[32];
vec3_t size, movedir, origin;
if( numEntities == 1 )
{
Msg( "Entity %i, Brush %i: origin brushes not allowed in world\n", mapEnt->mapEntityNum, entitySourceBrushes );
return NULL;
}
// calcualte movedir (Xash 0.4 style)
VectorAverage( buildBrush->mins, buildBrush->maxs, origin );
VectorSubtract( buildBrush->maxs, buildBrush->mins, size );
if( size[2] > size[0] && size[2] > size[1] )
VectorSet( movedir, 0.0f, 1.0f, 0.0f ); // x-rotate
else if( size[1] > size[2] && size[1] > size[0] )
VectorSet( movedir, 1.0f, 0.0f, 0.0f ); // y-rotate
else if( size[0] > size[2] && size[0] > size[1] )
VectorSet( movedir, 0.0f, 0.0f, 1.0f ); // z-rotate
else VectorClear( movedir ); // custom movedir
#if 0
if( !VectorIsNull( movedir ))
{
com.snprintf( string, sizeof( string ), "%i %i %i", (int)movedir[0], (int)movedir[1], (int)movedir[2] );
SetKeyValue( &entities[numEntities - 1], "movedir", string );
}
#endif
if(!VectorIsNull( origin ))
{
com.snprintf( string, sizeof( string ), "%i %i %i", (int)origin[0], (int)origin[1], (int)origin[2] );
SetKeyValue( &entities[numEntities - 1], "origin", string );
VectorCopy( origin, entities[numEntities - 1].origin );
}
// don't keep this brush
return NULL;
}
// determine if the brush is an area portal
if( buildBrush->compileFlags & C_AREAPORTAL )
{
if( numEntities != 1 )
{
Msg( "Entity %i, Brush %i: areaportals only allowed in world\n", mapEnt->mapEntityNum, entitySourceBrushes );
return NULL;
}
}
AddBrushBevels();
b = CopyBrush( buildBrush );
b->entityNum = mapEnt->mapEntityNum;
b->brushNum = entitySourceBrushes;
b->original = b;
// link opaque brushes to head of list, translucent brushes to end
if( b->opaque || mapEnt->lastBrush == NULL )
{
b->next = mapEnt->brushes;
mapEnt->brushes = b;
if( mapEnt->lastBrush == NULL )
mapEnt->lastBrush = b;
}
else
{
b->next = NULL;
mapEnt->lastBrush->next = b;
mapEnt->lastBrush = b;
}
// link colorMod volume brushes to the entity directly
if( b->contentShader != NULL && b->contentShader->colorMod != NULL && b->contentShader->colorMod->type == CM_VOLUME )
{
b->nextColorModBrush = mapEnt->colorModBrushes;
mapEnt->colorModBrushes = b;
}
return b;
}
/*
============
SV_PushRotate
============
*/
static edict_t *SV_PushRotate( edict_t *pusher, float movetime )
{
int i, e, block, oldsolid;
matrix4x4 start_l, end_l;
vec3_t lmove, amove;
sv_pushed_t *p, *pushed_p;
vec3_t org, org2, temp;
edict_t *check;
if( svgame.globals->changelevel || VectorIsNull( pusher->v.avelocity ))
{
pusher->v.ltime += movetime;
return NULL;
}
for( i = 0; i < 3; i++ )
amove[i] = pusher->v.avelocity[i] * movetime;
// create pusher initial position
Matrix4x4_CreateFromEntity( start_l, pusher->v.angles, pusher->v.origin, 1.0f );
pushed_p = svgame.pushed;
// save the pusher's original position
pushed_p->ent = pusher;
VectorCopy( pusher->v.origin, pushed_p->origin );
VectorCopy( pusher->v.angles, pushed_p->angles );
pushed_p++;
// move the pusher to it's final position
SV_AngularMove( pusher, movetime, pusher->v.friction );
SV_LinkEdict( pusher, false );
pusher->v.ltime += movetime;
oldsolid = pusher->v.solid;
// non-solid pushers can't push anything
if( pusher->v.solid == SOLID_NOT )
return NULL;
// create pusher final position
Matrix4x4_CreateFromEntity( end_l, pusher->v.angles, pusher->v.origin, 1.0f );
// see if any solid entities are inside the final position
for( e = 1; e < svgame.numEntities; e++ )
{
check = EDICT_NUM( e );
if( !SV_IsValidEdict( check ))
continue;
// filter movetypes to collide with
if( !SV_CanPushed( check ))
continue;
pusher->v.solid = SOLID_NOT;
block = SV_TestEntityPosition( check, pusher );
pusher->v.solid = oldsolid;
if( block ) continue;
// if the entity is standing on the pusher, it will definately be moved
if( !(( check->v.flags & FL_ONGROUND ) && check->v.groundentity == pusher ))
{
if( check->v.absmin[0] >= pusher->v.absmax[0]
|| check->v.absmin[1] >= pusher->v.absmax[1]
|| check->v.absmin[2] >= pusher->v.absmax[2]
|| check->v.absmax[0] <= pusher->v.absmin[0]
|| check->v.absmax[1] <= pusher->v.absmin[1]
|| check->v.absmax[2] <= pusher->v.absmin[2] )
continue;
// see if the ent's bbox is inside the pusher's final position
if( !SV_TestEntityPosition( check, NULL ))
continue;
}
// save original position of contacted entity
pushed_p->ent = check;
VectorCopy( check->v.origin, pushed_p->origin );
VectorCopy( check->v.angles, pushed_p->angles );
pushed_p->fixangle = check->v.fixangle;
pushed_p++;
// calculate destination position
if( check->v.movetype == MOVETYPE_PUSHSTEP || check->v.movetype == MOVETYPE_STEP )
VectorAverage( check->v.absmin, check->v.absmax, org );
else VectorCopy( check->v.origin, org );
Matrix4x4_VectorITransform( start_l, org, temp );
Matrix4x4_VectorTransform( end_l, temp, org2 );
VectorSubtract( org2, org, lmove );
// i can't clear FL_ONGROUND in all cases because many bad things may be happen
if( check->v.movetype != MOVETYPE_WALK )
{
if( lmove[2] != 0.0f ) check->v.flags &= ~FL_ONGROUND;
if( lmove[2] < 0.0f && !pusher->v.dmg )
lmove[2] = 0.0f; // let's the free falling
}
// try moving the contacted entity
pusher->v.solid = SOLID_NOT;
SV_PushEntity( check, lmove, amove, &block );
pusher->v.solid = oldsolid;
// pushed entity blocked by wall
if( block && check->v.movetype != MOVETYPE_WALK )
check->v.flags &= ~FL_ONGROUND;
// if it is still inside the pusher, block
if( SV_TestEntityPosition( check, NULL ) && block )
{
if( !SV_CanBlock( check ))
continue;
pusher->v.ltime -= movetime;
// move back any entities we already moved
// go backwards, so if the same entity was pushed
// twice, it goes back to the original position
for( p = pushed_p - 1; p >= svgame.pushed; p-- )
{
VectorCopy( p->origin, p->ent->v.origin );
VectorCopy( p->angles, p->ent->v.angles );
SV_LinkEdict( p->ent, (p->ent == check) ? true : false );
p->ent->v.fixangle = p->fixangle;
}
return check;
}
}
return NULL;
}