ddnet/src/game/server/entities/plasma.cpp

/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */
#include <engine/server.h>
#include <engine/config.h>
#include <game/generated/protocol.h>
#include <game/server/gamecontext.h>
#include <game/server/teams.h>
#include <game/server/gamemodes/DDRace.h>
#include "plasma.h"

const float ACCEL=1.1f;


//////////////////////////////////////////////////
// turret
//////////////////////////////////////////////////

CPlasma::CPlasma(CGameWorld *pGameWorld, vec2 Pos, vec2 Dir, bool Freeze, bool Explosive, int ResponsibleTeam)
: CEntity(pGameWorld, CGameWorld::ENTTYPE_LASER)
{
	m_Pos = Pos;
	m_Core = Dir;
	m_Freeze = Freeze;
	m_Explosive = Explosive;
	m_EvalTick = Server()->Tick();
	m_LifeTime = Server()->TickSpeed() * 1.5;
	m_ResponsibleTeam = ResponsibleTeam;
	GameWorld()->InsertEntity(this);
}

bool CPlasma::HitCharacter()
{
	vec2 To2;
	CCharacter *Hit = GameServer()->m_World.IntersectCharacter(m_Pos, m_Pos+m_Core, 0.0f,To2);
	if(!Hit)
		return false;

	if(Hit->Team() != m_ResponsibleTeam) return false;
	m_Freeze ? Hit->Freeze() : Hit->UnFreeze();
	if(m_Explosive)
		GameServer()->CreateExplosion(m_Pos, -1, WEAPON_GRENADE, true, m_ResponsibleTeam, Hit->Teams()->TeamMask(m_ResponsibleTeam));
	GameServer()->m_World.DestroyEntity(this);
	return true;
}

void CPlasma::Move()
{
	m_Pos += m_Core;
	m_Core *= ACCEL;
}
	
void CPlasma::Reset()
{
	GameServer()->m_World.DestroyEntity(this);
}

void CPlasma::Tick()
{
	if (m_LifeTime==0)
	{
		Reset();
		return;
	}
	m_LifeTime--;
	Move();
	HitCharacter();

	int Res=0;
	Res = GameServer()->Collision()->IntersectNoLaser(m_Pos, m_Pos+m_Core,0, 0);
	if(Res)
	{
		if(m_Explosive)
			GameServer()->CreateExplosion(m_Pos, -1, WEAPON_GRENADE, true, m_ResponsibleTeam, ((CGameControllerDDRace*)GameServer()->m_pController)->m_Teams.TeamMask(m_ResponsibleTeam));
		Reset();
	}
	
}

void CPlasma::Snap(int SnappingClient)
{	
	if(NetworkClipped(SnappingClient))
		return;
	CCharacter* SnapChar = GameServer()->GetPlayerChar(SnappingClient);
	int Tick = (Server()->Tick()%Server()->TickSpeed())%11;

	if(SnapChar &&
			SnapChar->IsAlive() &&
			(
					m_Layer == LAYER_SWITCH &&
					!GameServer()->Collision()->m_pSwitchers[m_Number].m_Status[SnapChar->Team()]) &&
			(!Tick))
		return;
	if(SnapChar && (SnapChar->Team() != m_ResponsibleTeam) && (!SnapChar->GetPlayer()->m_IsUsingDDRaceClient || (GameServer()->m_apPlayers[SnappingClient]->m_IsUsingDDRaceClient && !GameServer()->m_apPlayers[SnappingClient]->m_ShowOthers)))
		return;
	CNetObj_Laser *pObj = static_cast<CNetObj_Laser *>(Server()->SnapNewItem(NETOBJTYPE_LASER, m_ID, sizeof(CNetObj_Laser)));
	pObj->m_X = (int)m_Pos.x;
	pObj->m_Y = (int)m_Pos.y;
	pObj->m_FromX = (int)m_Pos.x;
	pObj->m_FromY = (int)m_Pos.y;
	pObj->m_StartTick = m_EvalTick;
}