void CScriptbind_Entity::SetTriggerBBox(IEntity *pEntity, AABB bounds)
{
IEntityTriggerProxy *pTriggerProxy = static_cast<IEntityTriggerProxy *>(pEntity->GetProxy(ENTITY_PROXY_TRIGGER));
if(!pTriggerProxy)
{
pEntity->CreateProxy(ENTITY_PROXY_TRIGGER);
pTriggerProxy = static_cast<IEntityTriggerProxy *>(pEntity->GetProxy(ENTITY_PROXY_TRIGGER));
}
if (pTriggerProxy)
pTriggerProxy->SetTriggerBounds(bounds);
}
void CAVMine::Launch(const Vec3 &pos, const Vec3 &dir, const Vec3 &velocity, float speedScale)
{
// sit flat on the ground.
Vec3 newDir = dir;
newDir.z = 0.0f;
CProjectile::Launch(pos, newDir, velocity, speedScale);
if(gEnv->bMultiplayer && gEnv->bServer)
{
CActor* pOwner = GetWeapon()->GetOwnerActor();
if(pOwner && pOwner->IsPlayer())
{
((CPlayer*)pOwner)->RecordExplosivePlaced(GetEntityId(), 1);
}
}
float boxDimension = 3;
m_triggerWeight = GetParam("triggerweight", m_triggerWeight);
boxDimension = GetParam("box_dimension", boxDimension);
if(gEnv->bServer)
{
IEntityTriggerProxy *pTriggerProxy = (IEntityTriggerProxy*)(GetEntity()->GetProxy(ENTITY_PROXY_TRIGGER));
if (!pTriggerProxy)
{
GetEntity()->CreateProxy(ENTITY_PROXY_TRIGGER);
pTriggerProxy = (IEntityTriggerProxy*)GetEntity()->GetProxy(ENTITY_PROXY_TRIGGER);
}
if(pTriggerProxy)
{
// increase box in the z direction to cope with big vehicles passing over the top (eg NK truck)
AABB boundingBox = AABB(Vec3(-boxDimension,-boxDimension,0), Vec3(boxDimension,boxDimension,(boxDimension+1)));
pTriggerProxy->SetTriggerBounds(boundingBox);
}
}
}
void CClaymore::Update(SEntityUpdateContext &ctx, int updateSlot)
{
CProjectile::Update(ctx, updateSlot);
bool debug = (g_pGameCVars->g_debugMines != 0);
if(gEnv->bServer)
{
if(m_armed)
{
CGameRules* pGR = g_pGame->GetGameRules();
if(pGR)
{
for(std::list<EntityId>::iterator it = m_targetList.begin(); it != m_targetList.end(); ++it)
{
IEntity* pEntity = gEnv->pEntitySystem->GetEntity(*it);
if(!pEntity) continue;
// if this is a team game, claymores aren't set off by their own team...
if(pGR->GetTeamCount() > 0 && (m_teamId != 0 && pGR->GetTeam(pEntity->GetId()) == m_teamId))
continue;
// otherwise, not set off by the player who dropped them.
if(pGR->GetTeamCount() == 0 && m_ownerId == pEntity->GetId())
continue;
IPhysicalEntity *pPhysics = pEntity->GetPhysics();
if(pPhysics)
{
pe_status_dynamics physStatus;
if(0 != pPhysics->GetStatus(&physStatus) && physStatus.v.GetLengthSquared() > 0.01f)
{
// now check angle between this claymore and approaching object
// to see if it is within the angular range m_triggerAngle.
// If it is, then check distance is less than m_triggerRange,
// and also check line-of-sight between the two entities.
IRenderAuxGeom * pRAG = gEnv->pRenderer->GetIRenderAuxGeom();
pRAG->SetRenderFlags( e_Mode3D | e_AlphaBlended | e_DrawInFrontOff | e_FillModeSolid | e_CullModeNone );
AABB entityBBox;
pEntity->GetWorldBounds(entityBBox);
if(debug)
{
pRAG->DrawAABB( entityBBox, true, ColorF(1,0,0,0.4f), eBBD_Faceted );
}
Vec3 enemyDir = entityBBox.GetCenter() - GetEntity()->GetPos();
Vec3 checkDir = enemyDir;
checkDir.z = 0;
float distanceSq = enemyDir.GetLengthSquared();
// for players a simple distance check is fine, but for vehicles use a better intersection check
// so any corner of the vehicle going inside the zone sets off the claymore.
static float playerRadius = 2.5f;
bool inside = false;
if(entityBBox.GetRadius() < playerRadius)
{
inside = (distanceSq < (m_triggerRadius * m_triggerRadius));
}
else
{
static ray_hit hit;
if(gEnv->pPhysicalWorld->CollideEntityWithBeam(pEntity->GetPhysics(), GetEntity()->GetWorldPos(), enemyDir, m_triggerRadius, &hit))
{
inside = true;
enemyDir = hit.pt - GetEntity()->GetWorldPos();
}
}
if(inside)
{
enemyDir.NormalizeSafe();
checkDir.NormalizeSafe();
float dotProd = checkDir.Dot(m_triggerDirection);
if(debug)
{
pRAG->DrawLine(GetEntity()->GetPos(), ColorF(1,0,0,1), GetEntity()->GetPos() + Matrix33::CreateRotationZ(m_triggerAngle/2.0f)*m_triggerDirection*m_triggerRadius, ColorF(1,0,0,1), 5.0f);
pRAG->DrawLine(GetEntity()->GetPos(), ColorF(1,0,0,1), GetEntity()->GetPos() + Matrix33::CreateRotationZ(-m_triggerAngle/2.0f)*m_triggerDirection*m_triggerRadius, ColorF(1,0,0,1), 5.0f);
ColorF clr;
clr.a = 0.3f;
clr.b = 0.4f;
clr.g = 0.1f;
clr.r = 1.0f;
pRAG->DrawLine(GetEntity()->GetPos(), clr, GetEntity()->GetPos() + (enemyDir * m_triggerRadius), clr, 5.0f);
}
if(dotProd > cry_cosf(m_triggerAngle/2.0f))
{
static const int objTypes = ent_all&(~ent_terrain);
static const unsigned int flags = rwi_stop_at_pierceable|rwi_colltype_any;
ray_hit hit;
int col = gEnv->pPhysicalWorld->RayWorldIntersection(GetEntity()->GetPos(), (enemyDir * m_triggerRadius * 1.5f), objTypes, flags, &hit, 1, GetEntity()->GetPhysics());
bool bang = false;
if (!col)
bang = true;
else if (entityBBox.IsContainPoint(hit.pt))
bang = true;
else if (hit.pt.GetSquaredDistance(GetEntity()->GetWorldPos()) >= distanceSq)
bang = true;
if (bang)
{
// pass in the explosion normal, which is -m_triggerDirection
Explode(true, false, Vec3(0,0,0), -m_triggerDirection);
if(debug)
{
ColorF clr;
clr.a = 0.3f;
clr.g = 0.1f;
clr.r = 1.0f;
clr.b = 1.0f;
pRAG->DrawLine(GetEntity()->GetPos(), clr, GetEntity()->GetPos() + (enemyDir * m_triggerRadius), clr, 5.0f);
}
}
}
}
}
}
}
}
}
else
{
m_timeToArm -= gEnv->pTimer->GetFrameTime();
if(m_timeToArm <= 0.0f)
{
m_armed = true;
IEntityTriggerProxy *pTriggerProxy = (IEntityTriggerProxy*)(GetEntity()->GetProxy(ENTITY_PROXY_TRIGGER));
if (!pTriggerProxy)
{
GetEntity()->CreateProxy(ENTITY_PROXY_TRIGGER);
pTriggerProxy = (IEntityTriggerProxy*)GetEntity()->GetProxy(ENTITY_PROXY_TRIGGER);
}
if(pTriggerProxy)
{
// create a trigger volume a couple of metres bigger than we need, to ensure we catch vehicles.
// Checks above will still make sure the entity is within the radius before detonating though.
float radius = m_triggerRadius + 2.0f;
AABB boundingBox = AABB(Vec3(-radius,-radius,-radius), Vec3(radius,radius,radius));
pTriggerProxy->SetTriggerBounds(boundingBox);
}
}
}
}
if(debug && m_armed)
{
IRenderAuxGeom * pRAG = gEnv->pRenderer->GetIRenderAuxGeom();
ColorF clr;
clr.a = 0.3f;
clr.b = 0.4f;
clr.g = 0.1f;
clr.r = 1.0f;
pRAG->SetRenderFlags( e_Mode3D | e_AlphaBlended | e_DrawInFrontOff | e_FillModeSolid | e_CullModeNone );
pRAG->DrawCylinder(GetEntity()->GetPos(), Vec3(0, 0, 1), m_triggerRadius, m_triggerRadius * 2.0f, clr);
Vec3 size(m_triggerRadius + 2.0f, m_triggerRadius + 2.0f, m_triggerRadius + 2.0f);
AABB box(GetEntity()->GetPos() - size, GetEntity()->GetPos() + size);
pRAG->DrawAABB(box, false, ColorF(0.1f, 0.1f, 0.1f, 0.1f), eBBD_Faceted);
pRAG->DrawLine(GetEntity()->GetPos(), clr, GetEntity()->GetPos() + m_triggerDirection, clr, 5.0f);
}
}
