C++ CCharacter::CanCollide方法代码示例

// TODO: should be more general
CCharacter *CGameWorld::IntersectCharacter(vec2 Pos0, vec2 Pos1, float Radius, vec2& NewPos, CCharacter *pNotThis, int CollideWith, class CCharacter *pThisOnly)
{
	// Find other players
	float ClosestLen = distance(Pos0, Pos1) * 100.0f;
	vec2 LineDir = normalize(Pos1-Pos0);
	CCharacter *pClosest = 0;

	CCharacter *p = (CCharacter *)FindFirst(ENTTYPE_CHARACTER);
	for(; p; p = (CCharacter *)p->TypeNext())
 	{
		if(p == pNotThis)
			continue;
		if(CollideWith != -1 && !p->CanCollide(CollideWith)) continue;
		vec2 IntersectPos = closest_point_on_line(Pos0, Pos1, p->m_Pos);
		float Len = distance(p->m_Pos, IntersectPos);
		if(Len < p->m_ProximityRadius+Radius)
		{
			Len = distance(Pos0, IntersectPos);
			if(Len < ClosestLen)
			{
				NewPos = IntersectPos;
				ClosestLen = Len;
				pClosest = p;
			}
			if(pThisOnly && p == pThisOnly)
				return p;
		}
	}
	
	return pClosest;
}

void CProjectile::Snap(int SnappingClient)
{
	float Ct = (Server()->Tick()-m_StartTick)/(float)Server()->TickSpeed();

	if(NetworkClipped(SnappingClient, GetPos(Ct)))
		return;

	CCharacter* pSnapChar = GameServer()->GetPlayerChar(SnappingClient);
	int Tick = (Server()->Tick()%Server()->TickSpeed())%((m_Explosive)?6:20);
	if (pSnapChar && pSnapChar->IsAlive() && (m_Layer == LAYER_SWITCH && !GameServer()->Collision()->m_pSwitchers[m_Number].m_Status[pSnapChar->Team()] && (!Tick)))
		return;

	if(pSnapChar && m_Owner != -1 && !pSnapChar->CanCollide(m_Owner))
		return;

	CNetObj_Projectile *pProj = static_cast<CNetObj_Projectile *>(Server()->SnapNewItem(NETOBJTYPE_PROJECTILE, m_ID, sizeof(CNetObj_Projectile)));
	if(pProj)
		FillInfo(pProj);
}

void CLaser::Snap(int SnappingClient)
{
	if(NetworkClipped(SnappingClient))
		return;
	CCharacter * SnappingChar = GameServer()->GetPlayerChar(SnappingClient);
	CCharacter * OwnerChar = 0;
	if(m_Owner >= 0)
		OwnerChar = GameServer()->GetPlayerChar(m_Owner);
	if(!OwnerChar)
		return;
	if(SnappingChar && !SnappingChar->CanCollide(m_Owner))
		return;
	CNetObj_Laser *pObj = static_cast<CNetObj_Laser *>(Server()->SnapNewItem(NETOBJTYPE_LASER, m_ID, sizeof(CNetObj_Laser)));
	if(!pObj)
		return;

	pObj->m_X = (int)m_Pos.x;
	pObj->m_Y = (int)m_Pos.y;
	pObj->m_FromX = (int)m_From.x;
	pObj->m_FromY = (int)m_From.y;
	pObj->m_StartTick = m_EvalTick;
}

void CProjectile::Tick()
{
	float Pt = (Server()->Tick()-m_StartTick-1)/(float)Server()->TickSpeed();
	float Ct = (Server()->Tick()-m_StartTick)/(float)Server()->TickSpeed();
	vec2 PrevPos = GetPos(Pt);
	vec2 CurPos = GetPos(Ct);
	vec2 ColPos;
	vec2 NewPos;
	int Collide = GameServer()->Collision()->IntersectLine(PrevPos, CurPos, &ColPos, &NewPos, false);
	CCharacter *pOwnerChar = 0;



	if(m_Owner >= 0)
		pOwnerChar = GameServer()->GetPlayerChar(m_Owner);

	CCharacter *pTargetChr = GameServer()->m_World.IntersectCharacter(PrevPos, ColPos, m_Freeze ? 1.0f : 6.0f, ColPos, pOwnerChar);

	if(m_LifeSpan > -1)
		m_LifeSpan--;

	int TeamMask = -1;
	bool isWeaponCollide = false;
	if
	(
			pOwnerChar &&
			pTargetChr &&
			pOwnerChar->IsAlive() &&
			pTargetChr->IsAlive() &&
			!pTargetChr->CanCollide(m_Owner)
			)
	{
			isWeaponCollide = true;
			//TeamMask = OwnerChar->Teams()->TeamMask( OwnerChar->Team());
	}
	if (pOwnerChar && pOwnerChar->IsAlive())
	{
			TeamMask = pOwnerChar->Teams()->TeamMask(pOwnerChar->Team(), -1, m_Owner);
	}
	if( ((pTargetChr && (pOwnerChar ? !(pOwnerChar->m_Hit&CCharacter::DISABLE_HIT_GRENADE) : g_Config.m_SvHit || m_Owner == -1 || pTargetChr == pOwnerChar)) || Collide || GameLayerClipped(CurPos)) && !isWeaponCollide)
	{
		if(m_Explosive/*??*/ && (!pTargetChr || (pTargetChr && !m_Freeze)))
		{
			GameServer()->CreateExplosion(ColPos, m_Owner, m_Weapon, m_Owner == -1, (!pTargetChr ? -1 : pTargetChr->Team()),
			(m_Owner != -1)? TeamMask : -1);
			GameServer()->CreateSound(ColPos, m_SoundImpact,
			(m_Owner != -1)? TeamMask : -1);
		}
		else if(pTargetChr && m_Freeze && ((m_Layer == LAYER_SWITCH && GameServer()->Collision()->m_pSwitchers[m_Number].m_Status[pTargetChr->Team()]) || m_Layer != LAYER_SWITCH))
			pTargetChr->Freeze();
		if(Collide && m_Bouncing != 0)
		{
			m_StartTick = Server()->Tick();
			m_Pos = NewPos+(-(m_Direction*4));
			if (m_Bouncing == 1)
				m_Direction.x = -m_Direction.x;
			else if(m_Bouncing == 2)
				m_Direction.y =- m_Direction.y;
			if (fabs(m_Direction.x) < 1e-6)
				m_Direction.x = 0;
			if (fabs(m_Direction.y) < 1e-6)
				m_Direction.y = 0;
			m_Pos += m_Direction;
		}
		else if (m_Weapon == WEAPON_GUN)
		{
			GameServer()->CreateDamageInd(CurPos, -atan2(m_Direction.x, m_Direction.y), 10, (m_Owner != -1)? TeamMask : -1);
			GameServer()->m_World.DestroyEntity(this);
		}
		else
			if (!m_Freeze)
				GameServer()->m_World.DestroyEntity(this);
	}
	if(m_LifeSpan == -1)
	{
		GameServer()->m_World.DestroyEntity(this);
	}
}