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143 lines
3 KiB
C++
143 lines
3 KiB
C++
/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */
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#include <engine/config.h>
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#include <engine/server.h>
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#include <game/generated/protocol.h>
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#include <game/server/gamecontext.h>
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#include "dragger.h"
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//////////////////////////////////////////////////
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// CDragger
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//////////////////////////////////////////////////
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const int LENGTH=700;
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CDragger::CDragger(CGameWorld *pGameWorld, vec2 pos, float strength, bool nw)
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: CEntity(pGameWorld, NETOBJTYPE_LASER)
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{
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this->m_Pos = pos;
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this->strength = strength;
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this->eval_tick=Server()->Tick();
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this->nw=nw;
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GameWorld()->InsertEntity(this);
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}
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void CDragger::move()
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{
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if (target)
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return;
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CCharacter *ents[16];
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int num = -1;
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num = GameServer()->m_World.FindEntities(m_Pos,LENGTH, (CEntity**)ents, 16, NETOBJTYPE_CHARACTER);
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int id=-1;
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int minlen=0;
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for (int i = 0; i < num; i++)
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{
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target = ents[i];
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int res=0;
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if (!nw)
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res = GameServer()->Collision()->IntersectNoLaser(m_Pos, target->m_Pos, 0, 0);
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else
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res = GameServer()->Collision()->IntersectNoLaserNW(m_Pos, target->m_Pos, 0, 0);
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if (res==0)
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{
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int len=length(ents[i]->m_Pos - m_Pos);
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if (minlen==0 || minlen>len)
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{
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minlen=len;
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id=i;
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}
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}
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}
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if (id!=-1)
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{
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target = ents[id];
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}
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else
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{
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target=0;
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}
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}
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void CDragger::drag()
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{
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if (target)
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{
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int res = 0;
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if (!nw)
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res = GameServer()->Collision()->IntersectNoLaser(m_Pos, target->m_Pos, 0, 0);
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else
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res = GameServer()->Collision()->IntersectNoLaserNW(m_Pos, target->m_Pos, 0, 0);
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if (res || length(m_Pos-target->m_Pos)>700)
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{
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target=0;
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}
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else
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if (length(m_Pos-target->m_Pos)>28)
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if(!((target->m_CurrentTile >= TILE_STOPL && target->m_CurrentTile <= TILE_STOPT) || (target->m_CurrentFTile >= TILE_STOPL && target->m_CurrentFTile <= TILE_STOPT)))
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target->m_Core.m_Vel+=normalize(m_Pos-target->m_Pos)*strength;
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}
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}
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void CDragger::Reset()
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{
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GameServer()->m_World.DestroyEntity(this);
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}
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void CDragger::Tick()
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{
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if (Server()->Tick()%int(Server()->TickSpeed()*0.15f)==0)
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{
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eval_tick=Server()->Tick();
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int index = GameServer()->Collision()->IsCp(m_Pos.x, m_Pos.y);
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if (index)
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{
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core=GameServer()->Collision()->CpSpeed(index);
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}
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m_Pos+=core;
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move();
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}
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drag();
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return;
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}
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void CDragger::Snap(int snapping_client)
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{
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if (target)
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{
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if(NetworkClipped(snapping_client, m_Pos) && NetworkClipped(snapping_client,target->m_Pos))
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return;
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}
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else
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if(NetworkClipped(snapping_client,m_Pos))
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return;
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CNetObj_Laser *obj = static_cast<CNetObj_Laser *>(Server()->SnapNewItem(NETOBJTYPE_LASER, m_Id, sizeof(CNetObj_Laser)));
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obj->m_X = (int)m_Pos.x;
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obj->m_Y = (int)m_Pos.y;
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if (target)
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{
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obj->m_FromX = (int)target->m_Pos.x;
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obj->m_FromY = (int)target->m_Pos.y;
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}
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else
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{
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obj->m_FromX = (int)m_Pos.x;
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obj->m_FromY = (int)m_Pos.y;
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}
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int start_tick = eval_tick;
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if (start_tick<Server()->Tick()-4)
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start_tick=Server()->Tick()-4;
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else if (start_tick>Server()->Tick())
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start_tick=Server()->Tick();
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obj->m_StartTick = start_tick;
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}
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//<2F> <20><><EFBFBD> <20><><EFBFBD>
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//<2F> <20><><EFBFBD><EFBFBD>
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