ddnet/src/game/server/entity.cpp

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#include "entity.h"
#include "gamecontext.h"
//////////////////////////////////////////////////
// Entity
//////////////////////////////////////////////////
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CEntity::CEntity(CGameWorld *pGameWorld, int ObjType)
{
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m_pGameWorld = pGameWorld;
m_ObjType = ObjType;
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m_Pos = vec2(0,0);
m_ProximityRadius = 0;
m_MarkedForDestroy = false;
m_ID = Server()->SnapNewID();
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m_pPrevTypeEntity = 0;
m_pNextTypeEntity = 0;
}
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CEntity::~CEntity()
{
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GameWorld()->RemoveEntity(this);
Server()->SnapFreeID(m_ID);
}
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int CEntity::NetworkClipped(int SnappingClient)
{
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return NetworkClipped(SnappingClient, m_Pos);
}
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int CEntity::NetworkClipped(int SnappingClient, vec2 CheckPos)
{
if(SnappingClient == -1)
return 0;
float dx = GameServer()->m_apPlayers[SnappingClient]->m_ViewPos.x-CheckPos.x;
float dy = GameServer()->m_apPlayers[SnappingClient]->m_ViewPos.y-CheckPos.y;
if(absolute(dx) > 1000.0f || absolute(dy) > 800.0f)
return 1;
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if(distance(GameServer()->m_apPlayers[SnappingClient]->m_ViewPos, CheckPos) > 4000.0f)
return 1;
return 0;
}
bool CEntity::GameLayerClipped(vec2 CheckPos)
{
return round_to_int(CheckPos.x)/32 < -200 || round_to_int(CheckPos.x)/32 > GameServer()->Collision()->GetWidth()+200 ||
round_to_int(CheckPos.y)/32 < -200 || round_to_int(CheckPos.y)/32 > GameServer()->Collision()->GetHeight()+200 ? true : false;
}
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bool CEntity::GetNearestAirPos(vec2 Pos, vec2 PrevPos, vec2* pOutPos)
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{
for(int k = 0; k < 16 && GameServer()->Collision()->CheckPoint(Pos); k++)
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{
Pos -= normalize(PrevPos - Pos);
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}
vec2 PosInBlock = vec2(round_to_int(Pos.x) % 32, round_to_int(Pos.y) % 32);
vec2 BlockCenter = vec2(round_to_int(Pos.x), round_to_int(Pos.y)) - PosInBlock + vec2(16.0f, 16.0f);
*pOutPos = vec2(BlockCenter.x + (PosInBlock.x < 16 ? -2.0f : 1.0f), Pos.y);
if (!GameServer()->Collision()->TestBox(*pOutPos, vec2(28.0f, 28.0f)))
return true;
*pOutPos = vec2(Pos.x, BlockCenter.y + (PosInBlock.y < 16 ? -2.0f : 1.0f));
if (!GameServer()->Collision()->TestBox(*pOutPos, vec2(28.0f, 28.0f)))
return true;
*pOutPos = vec2(BlockCenter.x + (PosInBlock.x < 16 ? -2.0f : 1.0f),
BlockCenter.y + (PosInBlock.y < 16 ? -2.0f : 1.0f));
if (!GameServer()->Collision()->TestBox(*pOutPos, vec2(28.0f, 28.0f)))
return true;
return false;
}
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bool CEntity::GetNearestAirPosPlayer(vec2 PlayerPos, vec2* OutPos)
{
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for (int dist = 5; dist >= -1; dist--)
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{
*OutPos = vec2(PlayerPos.x, PlayerPos.y - dist);
if (!GameServer()->Collision()->TestBox(*OutPos, vec2(28.0f, 28.0f)))
{
return true;
}
}
return false;
}