void CProjectileFX::Detonate(CollisionInfo* pInfo)
{
if (!m_pClientDE || m_bDetonated) return;
m_bDetonated = LTTRUE;
SurfaceType eType = ST_UNKNOWN;
LTVector vPos;
g_pLTClient->GetObjectPos(m_hServerObject, &vPos);
// Determine the normal of the surface we are impacting on...
LTVector vNormal;
VEC_SET(vNormal, 0.0f, 1.0f, 0.0f);
if (pInfo)
{
if (pInfo->m_hObject)
{
eType = GetSurfaceType(pInfo->m_hObject);
}
else if (pInfo->m_hPoly != INVALID_HPOLY)
{
eType = GetSurfaceType(pInfo->m_hPoly);
VEC_COPY(vNormal, pInfo->m_Plane.m_Normal);
LTRotation rRot(vNormal, LTVector(0.0f, 1.0f, 0.0f));
m_pClientDE->SetObjectRotation(m_hServerObject, &rRot);
// Calculate where we really hit the plane...
LTVector vVel, vP0, vP1;
g_pPhysicsLT->GetVelocity(m_hServerObject, &vVel);
VEC_COPY(vP1, vPos);
VEC_MULSCALAR(vVel, vVel, g_pGameClientShell->GetFrameTime());
VEC_SUB(vP0, vP1, vVel);
LTFLOAT fDot1 = VEC_DOT(pInfo->m_Plane.m_Normal, vP0) - pInfo->m_Plane.m_Dist;
LTFLOAT fDot2 = VEC_DOT(pInfo->m_Plane.m_Normal, vP1) - pInfo->m_Plane.m_Dist;
if (fDot1 < 0.0f && fDot2 < 0.0f || fDot1 > 0.0f && fDot2 > 0.0f)
{
VEC_COPY(vPos, vP1);
}
else
{
LTFLOAT fPercent = -fDot1 / (fDot2 - fDot1);
VEC_LERP(vPos, vP0, vP1, fPercent);
}
}
}
else
{
// Since pInfo was null, this means the projectile's lifetime was up,
// so we just blow-up in the air.
eType = ST_AIR;
}
HOBJECT hObj = !!pInfo ? pInfo->m_hObject : LTNULL;
::AddLocalImpactFX(hObj, m_vFirePos, vPos, vNormal, eType, m_vPath,
m_nWeaponId, m_nAmmoId, 0);
m_bWantRemove = LTTRUE;
}
void Prop::HandleAttachmentTouch( HOBJECT hToucher )
{
if( !hToucher || !m_bAttachmentShotOff )
return;
// Don't touch the owner...
if( hToucher == m_hAttachmentOwner )
return;
// Or any non-solid objects...
uint32 dwToucherFlags;
g_pCommonLT->GetObjectFlags( hToucher, OFT_Flags, dwToucherFlags );
if( !(dwToucherFlags & FLAG_SOLID) )
return;
CollisionInfo info;
g_pLTServer->GetLastCollision( &info );
LTVector vVel;
g_pPhysicsLT->GetVelocity( m_hObject, &vVel );
// Calculate where we really hit the world...
if( IsMainWorld( hToucher ))
{
LTVector vPos, vCurVel, vP0, vP1;
g_pLTServer->GetObjectPos( m_hObject, &vPos );
vP1 = vPos;
vCurVel = vVel * g_pLTServer->GetFrameTime();
vP0 = vP1 - vCurVel;
vP1 += vCurVel;
LTFLOAT fDot1 = VEC_DOT( info.m_Plane.m_Normal, vP0 ) - info.m_Plane.m_Dist;
LTFLOAT fDot2 = VEC_DOT( info.m_Plane.m_Normal, vP1 ) - info.m_Plane.m_Dist;
if( fDot1 < 0.0f && fDot2 < 0.0f || fDot1 > 0.0f && fDot2 > 0.0f )
{
vPos = vP1;
}
else
{
LTFLOAT fPercent = -fDot1 / (fDot2 - fDot1);
VEC_LERP( vPos, vP0, vP1, fPercent);
}
// Set our new "real" pos...
g_pLTServer->SetObjectPos( m_hObject, &vPos );
}
// If we're on the ground (or an object), stop movement...
CollisionInfo standingInfo;
g_pLTServer->GetStandingOn( m_hObject, &standingInfo );
CollisionInfo* pInfo = standingInfo.m_hObject ? &standingInfo : &info;
if( pInfo->m_hObject )
{
// Don't stop on walls...
if( pInfo->m_Plane.m_Normal.y > 0.75f )
{
vVel.Init();
// Turn off gravity, solid, and touch notify....
uint32 dwFlags = FLAG_POINTCOLLIDE | FLAG_NOSLIDING | FLAG_TOUCH_NOTIFY | FLAG_GRAVITY;
g_pCommonLT->SetObjectFlags( m_hObject, OFT_Flags, 0, dwFlags );
// Rotate to rest...
if( m_bRotating )
{
LTRotation rRot( 0.0f, m_fYaw, 0.0f );
g_pLTServer->SetObjectRotation( m_hObject, &rRot );
m_bRotating = false;
StartFade( s_vtAttachmentFadeDuration.GetFloat(), s_vtAttachmentFadeDelay.GetFloat() );
}
}
}
// Remove the stoping velocity...
vVel = -info.m_vStopVel;
g_pPhysicsLT->SetVelocity( m_hObject, &vVel );
}
void CProjectile::Detonate(HOBJECT hObj)
{
if (m_bDetonated) return;
// Make sure we don't detonate if a cinematic is playing (i.e.,
// make sure the user doesn't disrupt the cinematic)...
if (Camera::IsActive())
{
RemoveObject();
return;
}
m_bDetonated = LTTRUE;
SurfaceType eType = ST_UNKNOWN;
LTVector vPos;
g_pLTServer->GetObjectPos(m_hObject, &vPos);
// Determine the normal of the surface we are impacting on...
LTVector vNormal(0.0f, 1.0f, 0.0f);
if (hObj)
{
if (IsMainWorld(hObj) || g_pLTServer->GetObjectType(hObj) == OT_WORLDMODEL)
{
CollisionInfo info;
g_pLTServer->GetLastCollision(&info);
if (info.m_hPoly)
{
eType = GetSurfaceType(info.m_hPoly);
}
LTPlane plane = info.m_Plane;
vNormal = plane.m_Normal;
// Calculate where we really hit the plane...
LTVector vVel, vP0, vP1, vDir;
g_pLTServer->GetVelocity(m_hObject, &vVel);
vDir = vVel;
vDir.Norm();
vP1 = vPos;
vVel *= g_pLTServer->GetFrameTime();
vP0 = vP1 - vVel;
vP1 += vVel;
// Make sure we don't tunnel through an object...
IntersectInfo iInfo;
IntersectQuery qInfo;
qInfo.m_Flags = INTERSECT_HPOLY | INTERSECT_OBJECTS | IGNORE_NONSOLID;
qInfo.m_From = vP0;
qInfo.m_To = vPos;
qInfo.m_FilterFn = SpecificObjectFilterFn;
qInfo.m_pUserData = m_hObject;
if (g_pLTServer->IntersectSegment(&qInfo, &iInfo))
{
vPos = iInfo.m_Point - vDir;
eType = GetSurfaceType(iInfo);
vNormal = iInfo.m_Plane.m_Normal;
}
else
{
//g_pLTServer->CPrint("P0 = %.2f, %.2f, %.2f", VEC_EXPAND(vP0));
//g_pLTServer->CPrint("P1 = %.2f, %.2f, %.2f", VEC_EXPAND(vP1));
//LTVector vDist = vP1 - vP0;
//g_pLTServer->CPrint("Distance from P0 to P1: %.2f", vDist.Mag());
LTFLOAT fDot1 = VEC_DOT(vNormal, vP0) - info.m_Plane.m_Dist;
LTFLOAT fDot2 = VEC_DOT(vNormal, vP1) - info.m_Plane.m_Dist;
if (fDot1 < 0.0f && fDot2 < 0.0f || fDot1 > 0.0f && fDot2 > 0.0f)
{
vPos = vP1;
}
else
{
LTFLOAT fPercent = -fDot1 / (fDot2 - fDot1);
//g_pLTServer->CPrint("Percent: %.2f", fPercent);
VEC_LERP(vPos, vP0, vP1, fPercent);
}
}
LTRotation rRot;
g_pLTServer->AlignRotation(&rRot, &vNormal, LTNULL);
g_pLTServer->SetObjectRotation(m_hObject, &rRot);
// g_pLTServer->CPrint("Pos = %.2f, %.2f, %.2f", VEC_EXPAND(vPos));
}
}
else
{
// Since hObj was null, this means the projectile's lifetime was up,
// so we just blew-up in the air.
eType = ST_AIR;
}
if (eType == ST_UNKNOWN)
{
eType = GetSurfaceType(hObj);
}
AddImpact(hObj, m_vFlashPos, vPos, vNormal, eType);
// Handle impact damage...
if (hObj)
{
HOBJECT hDamager = m_hFiredFrom ? m_hFiredFrom : m_hObject;
ImpactDamageObject(hDamager, hObj);
}
//g_pLTServer->CPrint("Server end pos (%.2f, %.2f, %.2f)", vPos.x, vPos.y, vPos.z);
//g_pLTServer->CPrint("Server fly time %.2f", g_pLTServer->GetTime() - m_fStartTime);
// Remove projectile from world...
RemoveObject();
}
void CSpear::HandleImpact(HOBJECT hObj)
{
if (!g_vtSpearStickPercentage.IsInitted())
{
g_vtSpearStickPercentage.Init(g_pLTServer, "SpearStickPercent", LTNULL, 0.9f);
}
if (!m_pAmmoData || !m_pAmmoData->pProjectileFX)
{
CProjectile::HandleImpact(hObj);
return;
}
CollisionInfo info;
g_pLTServer->GetLastCollision(&info);
LTVector vPos, vVel, vCurVel, vP0, vP1;
g_pLTServer->GetObjectPos(m_hObject, &vPos);
LTRotation rRot;
g_pLTServer->GetObjectRotation(m_hObject, &rRot);
// Should we break the spear?
enum SpearAction
{
eSpearActionBreak,
eSpearActionStickWorld,
eSpearActionStickAI,
eSpearActionStickPlayer,
eSpearActionStickBody
};
SpearAction eSpearAction = eSpearActionBreak;
// Randomly break even if we could sometimes stick...
if (GetRandom(0.0, 1.0f) > g_vtSpearStickPercentage.GetFloat())
{
eSpearAction = eSpearActionBreak;
}
else if (IsMainWorld(hObj))
{
// Calculate where we really hit the world...
g_pLTServer->GetVelocity(m_hObject, &vVel);
vP1 = vPos;
vCurVel = vVel * g_pLTServer->GetFrameTime();
vP0 = vP1 - vCurVel;
vP1 += vCurVel;
LTFLOAT fDot1 = VEC_DOT(info.m_Plane.m_Normal, vP0) - info.m_Plane.m_Dist;
LTFLOAT fDot2 = VEC_DOT(info.m_Plane.m_Normal, vP1) - info.m_Plane.m_Dist;
if (fDot1 < 0.0f && fDot2 < 0.0f || fDot1 > 0.0f && fDot2 > 0.0f)
{
vPos = vP1;
}
else
{
LTFLOAT fPercent = -fDot1 / (fDot2 - fDot1);
VEC_LERP(vPos, vP0, vP1, fPercent);
}
// Set our new "real" pos...
g_pLTServer->SetObjectPos(m_hObject, &vPos);
eSpearAction = eSpearActionStickWorld;
}
else if (IsMoveable(hObj))
{
if (IsAI(hObj))
{
// Attach to a AI
eSpearAction = eSpearActionStickAI;
}
else if (IsPlayer(hObj))
{
// Attach to a Player
eSpearAction = eSpearActionStickPlayer;
}
else if (IsBody(hObj))
{
// Attach to a body
eSpearAction = eSpearActionStickBody;
}
else
{
// Could probably come up with a way to attach to moveable
// non-character objects (like doors), but it is much easier
// to just break it ;)...
eSpearAction = eSpearActionBreak;
}
}
// If the surface is too hard, the spear will just break when
// it hits it...
SurfaceType eSurf = GetSurfaceType(info);
SURFACE* pSurf = g_pSurfaceMgr->GetSurface(eSurf);
if ((eSpearActionBreak == eSpearAction) || ((eSpearActionStickWorld == eSpearAction) && pSurf && pSurf->fHardness > 0.5))
{
// Create spear debris...
DEBRIS* pDebris = g_pDebrisMgr->GetDebris(m_pAmmoData->szName);
if (pDebris)
{
vVel.Norm();
LTVector vNegVel = -vVel;
CreatePropDebris(vPos, vNegVel, pDebris->nId);
}
CProjectile::HandleImpact(hObj);
return;
}
// Create the Spear powerup...
char szSpawn[512];
sprintf(szSpawn, "AmmoBox AmmoType1 %s;AmmoCount1 1;Filename %s;Skin %s",
m_pAmmoData->szName, m_pAmmoData->pProjectileFX->szModel,
m_pAmmoData->pProjectileFX->szSkin);
LTVector vScale = m_pAmmoData->pProjectileFX->vModelScale;
// Make sure the spear sticks out a little ways...
vVel.Norm();
vPos -= (vVel * vScale.z/2.0f);
if (eSpearActionStickWorld == eSpearAction)
{
g_pLTServer->AlignRotation(&rRot, &vVel, LTNULL);
}
BaseClass* pClass = SpawnObject(szSpawn, LTVector(-10000,-10000,-10000), rRot);
if (pClass)
{
g_pLTServer->ScaleObject(pClass->m_hObject, &vScale);
LTVector vDims;
g_pLTServer->GetObjectDims(pClass->m_hObject, &vDims);
vDims.x *= vScale.x;
vDims.y *= vScale.y;
vDims.z *= vScale.z;
g_pLTServer->SetObjectDims(pClass->m_hObject, &vDims);
// We don't want other projectiles to impact on us...
//uint32 dwUsrFlags = g_pLTServer->GetObjectUserFlags(pClass->m_hObject);
//dwUsrFlags |= USRFLG_IGNORE_PROJECTILES;
//g_pLTServer->SetObjectUserFlags(pClass->m_hObject, dwUsrFlags);
if ( eSpearActionStickAI == eSpearAction || eSpearActionStickPlayer == eSpearAction )
{
g_pLTServer->SetObjectUserFlags(pClass->m_hObject, g_pLTServer->GetObjectUserFlags(pClass->m_hObject) & ~USRFLG_GLOW);
g_pLTServer->SetObjectFlags(pClass->m_hObject, g_pLTServer->GetObjectFlags(pClass->m_hObject) & ~FLAG_TOUCH_NOTIFY);
if ( eSpearActionStickPlayer == eSpearAction )
{
g_pLTServer->SetObjectUserFlags(pClass->m_hObject, g_pLTServer->GetObjectUserFlags(pClass->m_hObject) | USRFLG_ATTACH_HIDE1SHOW3);
}
// Attach it to the character
CCharacter* pCharacter = (CCharacter*)g_pLTServer->HandleToObject(hObj);
pCharacter->AddSpear(pClass->m_hObject, pCharacter->GetModelNodeLastHit(), rRot);
}
else if ( eSpearActionStickBody == eSpearAction )
{
g_pLTServer->SetObjectUserFlags(pClass->m_hObject, g_pLTServer->GetObjectUserFlags(pClass->m_hObject) & ~USRFLG_GLOW);
g_pLTServer->SetObjectFlags(pClass->m_hObject, g_pLTServer->GetObjectFlags(pClass->m_hObject) & ~FLAG_TOUCH_NOTIFY);
// Attach it to the body
Body* pBody = (Body*)g_pLTServer->HandleToObject(hObj);
pBody->AddSpear(pClass->m_hObject, rRot);
}
else // ( eSpearActionStickWorld == eSpearAction )
{
// Move it to the right position in the world
g_pLTServer->SetObjectPos(pClass->m_hObject, &vPos);
}
}
CProjectile::HandleImpact(hObj);
}