//-----------------------------------------------------------------------------
// Purpose: Attaches fire to the hitboxes of an animating character. The fire
// is distributed based on hitbox volumes -- it attaches to the larger
// hitboxes first.
//-----------------------------------------------------------------------------
void C_EntityFlame::AttachToHitBoxes( void )
{
m_pCachedModel = NULL;
C_BaseCombatCharacter *pAnimating = (C_BaseCombatCharacter *)m_hEntAttached.Get();
if (!pAnimating || !pAnimating->GetModel())
{
return;
}
CStudioHdr *pStudioHdr = pAnimating->GetModelPtr();
if (!pStudioHdr)
{
return;
}
mstudiohitboxset_t *set = pStudioHdr->pHitboxSet( pAnimating->m_nHitboxSet );
if ( !set )
{
return;
}
if ( !set->numhitboxes )
{
return;
}
m_pCachedModel = pAnimating->GetModel();
CBoneCache *pCache = pAnimating->GetBoneCache( pStudioHdr );
matrix3x4_t *hitboxbones[MAXSTUDIOBONES];
pCache->ReadCachedBonePointers( hitboxbones, pStudioHdr->numbones() );
//
// Sort the hitboxes by volume.
//
HitboxVolume_t hitboxvolume[MAXSTUDIOBONES];
for ( int i = 0; i < set->numhitboxes; i++ )
{
mstudiobbox_t *pBox = set->pHitbox(i);
hitboxvolume[i].nIndex = i;
hitboxvolume[i].flVolume = CalcBoxVolume(pBox->bbmin, pBox->bbmax);
}
qsort(hitboxvolume, set->numhitboxes, sizeof(hitboxvolume[0]), (int (__cdecl *)(const void *, const void *))SortHitboxVolumes);
//
// Attach fire to the hitboxes.
//
for ( int i = 0; i < NUM_HITBOX_FIRES; i++ )
{
int hitboxindex;
//
// Pick the 5 biggest hitboxes, or random ones if there are less than 5 hitboxes,
// then pick random ones after that.
//
if (( i < 5 ) && ( i < set->numhitboxes ))
{
hitboxindex = i;
}
else
{
hitboxindex = random->RandomInt( 0, set->numhitboxes - 1 );
}
mstudiobbox_t *pBox = set->pHitbox( hitboxvolume[hitboxindex].nIndex );
Assert( hitboxbones[pBox->bone] );
m_nHitbox[i] = hitboxvolume[hitboxindex].nIndex;
m_pFireSmoke[i] = new C_FireSmoke;
//
// Calculate a position within the hitbox to place the fire.
//
m_vecFireOrigin[i] = Vector(random->RandomFloat(pBox->bbmin.x, pBox->bbmax.x), random->RandomFloat(pBox->bbmin.y, pBox->bbmax.y), random->RandomFloat(pBox->bbmin.z, pBox->bbmax.z));
Vector vecAbsOrigin;
VectorTransform( m_vecFireOrigin[i], *hitboxbones[pBox->bone], vecAbsOrigin);
m_pFireSmoke[i]->SetLocalOrigin( vecAbsOrigin );
//
// The first fire emits smoke, the rest do not.
//
m_pFireSmoke[i]->m_nFlags = bitsFIRESMOKE_ACTIVE;
m_pFireSmoke[i]->m_nFlameModelIndex = modelinfo->GetModelIndex("sprites/fire1.vmt");
m_pFireSmoke[i]->m_nFlameFromAboveModelIndex = modelinfo->GetModelIndex("sprites/flamefromabove.vmt");
m_pFireSmoke[i]->m_flScale = 0;
m_pFireSmoke[i]->m_flStartScale = 0;
m_pFireSmoke[i]->m_flScaleTime = 1.5;
m_pFireSmoke[i]->m_flScaleRegister = 0.1;
m_pFireSmoke[i]->m_flChildFlameSpread = 20.0;
m_pFireSmoke[i]->m_flScaleStart = 0;
m_pFireSmoke[i]->SetOwnerEntity( this );
// Do a simple That Looks About Right clamp on the volumes
// so that we don't get flames too large or too tiny.
float flVolume = hitboxvolume[hitboxindex].flVolume;
Assert( IsFinite(flVolume) );
#define FLAME_HITBOX_MIN_VOLUME 1000.0f
#define FLAME_HITBOX_MAX_VOLUME 4000.0f
if( flVolume < FLAME_HITBOX_MIN_VOLUME )
{
flVolume = FLAME_HITBOX_MIN_VOLUME;
}
else if( flVolume > FLAME_HITBOX_MAX_VOLUME )
{
flVolume = FLAME_HITBOX_MAX_VOLUME;
}
m_pFireSmoke[i]->m_flScaleEnd = 0.00012f * flVolume;
m_pFireSmoke[i]->m_flScaleTimeStart = Helper_GetTime();
m_pFireSmoke[i]->m_flScaleTimeEnd = Helper_GetTime() + 2.0;
m_pFireSmoke[i]->StartClientOnly();
}
m_bAttachedToHitboxes = true;
}
//-----------------------------------------------------------------------------
// Purpose: Recompute my rendering box
//-----------------------------------------------------------------------------
void C_QUA_Strider::ClientThink()
{
int i;
Vector vecMins, vecMaxs;
Vector vecAbsMins, vecAbsMaxs;
matrix3x4_t worldToStrider, hitboxToStrider;
Vector vecBoxMins, vecBoxMaxs;
Vector vecBoxAbsMins, vecBoxAbsMaxs;
mstudiohitboxset_t *set;
CBoneCache *pCache = NULL;
// The reason why this is here, as opposed to in SetObjectCollisionBox,
// is because of IK. The code below recomputes bones so as to get at the hitboxes,
// which causes IK to trigger, which causes raycasts against the other entities to occur,
// which is illegal to do while in the Relink phase.
studiohdr_t *pStudioHdr = GetModel()?modelinfo->GetStudiomodel( GetModel() ):NULL;
if (!pStudioHdr)
goto doneWithComputation;
set = pStudioHdr->pHitboxSet( m_nHitboxSet );
if ( !set || !set->numhitboxes )
goto doneWithComputation;
CStudioHdr *hdr = GetModelPtr();
pCache = GetBoneCache( hdr );
matrix3x4_t *hitboxbones[MAXSTUDIOBONES];
pCache->ReadCachedBonePointers( hitboxbones, pStudioHdr->numbones );
// // Compute a box in world space that surrounds this entity
m_vecRenderMins.Init( FLT_MAX, FLT_MAX, FLT_MAX );
m_vecRenderMaxs.Init( -FLT_MAX, -FLT_MAX, -FLT_MAX );
//
MatrixInvert( EntityToWorldTransform(), worldToStrider );
//
for ( i = 0; i < set->numhitboxes; i++ )
{
mstudiobbox_t *pbox = set->pHitbox(i);
ConcatTransforms( worldToStrider, *hitboxbones[pbox->bone], hitboxToStrider );
TransformAABB( hitboxToStrider, pbox->bbmin, pbox->bbmax, vecBoxMins, vecBoxMaxs );
VectorMin( m_vecRenderMins, vecBoxMins, m_vecRenderMins );
VectorMax( m_vecRenderMaxs, vecBoxMaxs, m_vecRenderMaxs );
}
// // Deberiamos poner aqui lo de la vista??
//
// // UNDONE: Disabled this until we can get closer to a final map and tune
//#if 0
// // Cut ropes.
// if ( gpGlobals->curtime >= m_flNextRopeCutTime )
// {
// // Blow the bbox out a little.
// Vector vExtendedMins = vecMins - Vector( 50, 50, 50 );
// Vector vExtendedMaxs = vecMaxs + Vector( 50, 50, 50 );
//
// C_RopeKeyframe *ropes[512];
// int nRopes = C_RopeKeyframe::GetRopesIntersectingAABB( ropes, ARRAYSIZE( ropes ), GetAbsOrigin() + vExtendedMins, GetAbsOrigin() + vExtendedMaxs );
// for ( int i=0; i < nRopes; i++ )
// {
// C_RopeKeyframe *pRope = ropes[i];
//
// if ( pRope->GetEndEntity() )
// {
// Vector vPos;
// if ( pRope->GetEndPointPos( 1, vPos ) )
// {
// // Detach the endpoint.
// pRope->SetEndEntity( NULL );
//
// // Make some spark effect here..
// g_pEffects->Sparks( vPos );
// }
// }
// }
//
// m_flNextRopeCutTime = gpGlobals->curtime + 0.5;
// }
//#endif
doneWithComputation:
// True argument because the origin may have stayed the same, but the size is expected to always change
g_pClientShadowMgr->AddToDirtyShadowList( this, true );
}