//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CHarpoon::HarpoonTouch( CBaseEntity *pOther )
{
// If we've stuck something, freeze. Make sure we hit it along our velocity.
if ( pOther->GetCollisionGroup() != TFCOLLISION_GROUP_SHIELD )
{
// Perform the collision response...
const trace_t &tr = CBaseEntity::GetTouchTrace( );
Vector vecNewVelocity;
PhysicsClipVelocity (GetAbsVelocity(), tr.plane.normal, vecNewVelocity, 2.0 - GetFriction());
SetAbsVelocity( vecNewVelocity );
}
else
{
// Move away from the shield...
// Fling it out a little extra along the plane normal
Vector vecCenter;
AngleVectors( pOther->GetAbsAngles(), &vecCenter );
Vector vecNewVelocity;
VectorMultiply( vecCenter, 400.0f, vecNewVelocity );
SetAbsVelocity( vecNewVelocity );
}
if ( !pOther->IsBSPModel() && !pOther->GetBaseAnimating() )
return;
// At this point, it shouldn't affect player movement
SetCollisionGroup( COLLISION_GROUP_DEBRIS );
// Remove myself soon
SetThink( SUB_Remove );
SetNextThink( gpGlobals->curtime + 30.0 );
m_hImpaledTarget = pOther;
// Should I impale something?
if ( pOther->GetBaseAnimating() )
{
CheckLinkedHarpoon();
if ( pOther->GetMoveType() != MOVETYPE_NONE )
{
ImpaleTarget( pOther );
return;
}
}
CheckLinkedHarpoon();
EmitSound( "Harpoon.Impact" );
// Stop moving
SetMoveType( MOVETYPE_NONE );
}
void CStickyBomb::Touch( CBaseEntity *pOther )
{
// Don't stick if already stuck
if ( GetMoveType() == MOVETYPE_FLYGRAVITY )
{
trace_t tr = GetTouchTrace();
// stickies don't stick to each other or sky
if ( FClassnameIs(pOther, "grenade_stickybomb") || (tr.surface.flags & SURF_SKY) )
{
// bounce
Vector vecNewVelocity;
PhysicsClipVelocity( GetAbsVelocity(), tr.plane.normal, vecNewVelocity, 1.0 );
SetAbsVelocity( vecNewVelocity );
}
else
{
SetAbsVelocity( vec3_origin );
SetMoveType( MOVETYPE_NONE );
if ( pOther->entindex() != 0 )
{
// set up notification if the parent is deleted before we explode
g_pNotify->AddEntity( this, pOther );
if ( (tr.surface.flags & SURF_HITBOX) && modelinfo->GetModelType( pOther->GetModel() ) == mod_studio )
{
CBaseAnimating *pOtherAnim = dynamic_cast<CBaseAnimating *>(pOther);
if ( pOtherAnim )
{
matrix3x4_t bombWorldSpace;
MatrixCopy( EntityToWorldTransform(), bombWorldSpace );
// get the bone info so we can follow the bone
FollowEntity( pOther );
SetOwnerEntity( pOther );
m_boneIndexAttached = pOtherAnim->GetHitboxBone( tr.hitbox );
matrix3x4_t boneToWorld;
pOtherAnim->GetBoneTransform( m_boneIndexAttached, boneToWorld );
// transform my current position/orientation into the hit bone's space
// UNDONE: Eventually we need to intersect with the mesh here
// REVISIT: maybe do something like the decal code to find a spot on
// the mesh.
matrix3x4_t worldToBone, localMatrix;
MatrixInvert( boneToWorld, worldToBone );
ConcatTransforms( worldToBone, bombWorldSpace, localMatrix );
MatrixAngles( localMatrix, m_boneAngles.GetForModify(), m_bonePosition.GetForModify() );
return;
}
}
SetParent( pOther );
}
}
}
}
void CBaseGrenadeProjectile::ResolveFlyCollisionCustom( trace_t &trace, Vector &vecVelocity )
{
//Assume all surfaces have the same elasticity
float flSurfaceElasticity = 1.0;
//Don't bounce off of players with perfect elasticity
if( trace.m_pEnt && trace.m_pEnt->IsPlayer() )
{
flSurfaceElasticity = 0.3;
}
// if its breakable glass and we kill it, don't bounce.
// give some damage to the glass, and if it breaks, pass
// through it.
bool breakthrough = false;
if( trace.m_pEnt && FClassnameIs( trace.m_pEnt, "func_breakable" ) )
{
breakthrough = true;
}
if( trace.m_pEnt && FClassnameIs( trace.m_pEnt, "func_breakable_surf" ) )
{
breakthrough = true;
}
if (breakthrough)
{
CTakeDamageInfo info( this, this, 10, DMG_CLUB );
trace.m_pEnt->DispatchTraceAttack( info, GetAbsVelocity(), &trace );
ApplyMultiDamage();
if( trace.m_pEnt->m_iHealth <= 0 )
{
// slow our flight a little bit
Vector vel = GetAbsVelocity();
vel *= 0.4;
SetAbsVelocity( vel );
return;
}
}
float flTotalElasticity = GetElasticity() * flSurfaceElasticity;
flTotalElasticity = clamp( flTotalElasticity, 0.0f, 0.9f );
// NOTE: A backoff of 2.0f is a reflection
Vector vecAbsVelocity;
PhysicsClipVelocity( GetAbsVelocity(), trace.plane.normal, vecAbsVelocity, 2.0f );
vecAbsVelocity *= flTotalElasticity;
// Get the total velocity (player + conveyors, etc.)
VectorAdd( vecAbsVelocity, GetBaseVelocity(), vecVelocity );
float flSpeedSqr = DotProduct( vecVelocity, vecVelocity );
// Stop if on ground.
if ( trace.plane.normal.z > 0.7f ) // Floor
{
// Verify that we have an entity.
CBaseEntity *pEntity = trace.m_pEnt;
Assert( pEntity );
SetAbsVelocity( vecAbsVelocity );
if ( flSpeedSqr < ( 30 * 30 ) )
{
if ( pEntity->IsStandable() )
{
SetGroundEntity( pEntity );
}
// Reset velocities.
SetAbsVelocity( vec3_origin );
SetLocalAngularVelocity( vec3_angle );
//align to the ground so we're not standing on end
QAngle angle;
VectorAngles( trace.plane.normal, angle );
// rotate randomly in yaw
angle[1] = random->RandomFloat( 0, 360 );
// TODO: rotate around trace.plane.normal
SetAbsAngles( angle );
}
else
{
Vector vecDelta = GetBaseVelocity() - vecAbsVelocity;
Vector vecBaseDir = GetBaseVelocity();
VectorNormalize( vecBaseDir );
float flScale = vecDelta.Dot( vecBaseDir );
VectorScale( vecAbsVelocity, ( 1.0f - trace.fraction ) * gpGlobals->frametime, vecVelocity );
VectorMA( vecVelocity, ( 1.0f - trace.fraction ) * gpGlobals->frametime, GetBaseVelocity() * flScale, vecVelocity );
PhysicsPushEntity( vecVelocity, &trace );
}
}
else
{
// If we get *too* slow, we'll stick without ever coming to rest because
// we'll get pushed down by gravity faster than we can escape from the wall.
if ( flSpeedSqr < ( 30 * 30 ) )
{
// Reset velocities.
SetAbsVelocity( vec3_origin );
SetLocalAngularVelocity( vec3_angle );
}
else
{
SetAbsVelocity( vecAbsVelocity );
}
}
BounceSound();
}
