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128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
// copyright (c) 2007 magnus auvinen, see licence.txt for more info
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#include <game/generated/protocol.h>
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#include <game/server/gamecontext.h>
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#include <engine/shared/config.h>
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#include "laser.h"
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CLaser::CLaser(CGameWorld *pGameWorld, vec2 Pos, vec2 Direction, float StartEnergy, int Owner, int type)
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: CEntity(pGameWorld, NETOBJTYPE_LASER)
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{
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m_Pos = Pos;
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m_Owner = Owner;
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m_Energy = StartEnergy;
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m_Dir = Direction;
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m_Bounces = 0;
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m_EvalTick = 0;
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m_Type = type;
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GameWorld()->InsertEntity(this);
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DoBounce();
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}
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bool CLaser::HitCharacter(vec2 From, vec2 To)
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{
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vec2 At;
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CCharacter *OwnerChar = GameServer()->GetPlayerChar(m_Owner);
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CCharacter *Hit = GameServer()->m_World.IntersectCharacter(m_Pos, To, 0.f, At, OwnerChar);
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if(!Hit)
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return false;
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m_From = From;
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m_Pos = At;
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m_Energy = -1;
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if ((m_Type == 1 && g_Config.m_SvHit))
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{
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Hit->m_Core.m_Vel += normalize(m_PrevPos - Hit->m_Core.m_Pos) * 10;
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} else if (m_Type == 0)
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{
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Hit->UnFreeze();
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}
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return true;
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}
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void CLaser::DoBounce()
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{
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CCharacter *OwnerChar = GameServer()->GetPlayerChar(m_Owner);
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m_EvalTick = Server()->Tick();
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if(m_Energy < 0)
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{
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GameServer()->m_World.DestroyEntity(this);
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return;
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}
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m_PrevPos = m_Pos;
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vec2 To = m_Pos + m_Dir * m_Energy;
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vec2 OrgTo = To;
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vec2 Coltile;
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int res;
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res = GameServer()->Collision()->IntersectLine(m_Pos, To, &Coltile, &To);
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if(res)
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{
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if(!HitCharacter(m_Pos, To))
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{
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// intersected
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m_From = m_Pos;
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m_Pos = To;
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vec2 TempPos = m_Pos;
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vec2 TempDir = m_Dir * 4.0f;
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int f;
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if(res == -1) {
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f = GameServer()->Collision()->GetTile(round(Coltile.x), round(Coltile.y));
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GameServer()->Collision()->Set(round(Coltile.x), round(Coltile.y), CCollision::COLFLAG_SOLID);
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}
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GameServer()->Collision()->MovePoint(&TempPos, &TempDir, 1.0f, 0);
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if(res == -1) {
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GameServer()->Collision()->Set(round(Coltile.x), round(Coltile.y), f);
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}
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m_Pos = TempPos;
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m_Dir = normalize(TempDir);
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m_Energy -= distance(m_From, m_Pos) + GameServer()->Tuning()->m_LaserBounceCost;
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m_Bounces++;
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if(m_Bounces > GameServer()->Tuning()->m_LaserBounceNum)
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m_Energy = -1;
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GameServer()->CreateSound(m_Pos, SOUND_RIFLE_BOUNCE);
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}
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}
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else
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{
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if(!HitCharacter(m_Pos, To))
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{
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m_From = m_Pos;
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m_Pos = To;
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m_Energy = -1;
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}
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}
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m_Owner = -1;
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}
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void CLaser::Reset()
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{
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GameServer()->m_World.DestroyEntity(this);
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}
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void CLaser::Tick()
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{
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if(Server()->Tick() > m_EvalTick+(Server()->TickSpeed()*GameServer()->Tuning()->m_LaserBounceDelay)/1000.0f)
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DoBounce();
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}
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void CLaser::Snap(int SnappingClient)
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{
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if(NetworkClipped(SnappingClient))
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return;
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CNetObj_Laser *pObj = static_cast<CNetObj_Laser *>(Server()->SnapNewItem(NETOBJTYPE_LASER, m_Id, sizeof(CNetObj_Laser)));
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pObj->m_X = (int)m_Pos.x;
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pObj->m_Y = (int)m_Pos.y;
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pObj->m_FromX = (int)m_From.x;
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pObj->m_FromY = (int)m_From.y;
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pObj->m_StartTick = m_EvalTick;
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}
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