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https://github.com/ddnet/ddnet.git
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85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
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/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#include "projectile_data.h"
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#include <engine/shared/snapshot.h>
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#include <game/client/prediction/gameworld.h>
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#include <game/generated/protocol.h>
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#include <game/collision.h>
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bool UseProjectileExtraInfo(const CNetObj_Projectile *pProj)
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{
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return pProj->m_VelY >= 0 && (pProj->m_VelY & PROJECTILEFLAG_IS_DDNET) != 0;
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}
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CProjectileData ExtractProjectileInfo(const CNetObj_Projectile *pProj, CGameWorld *pGameWorld)
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{
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if(UseProjectileExtraInfo(pProj))
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{
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CNetObj_DDNetProjectile Proj;
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mem_copy(&Proj, pProj, sizeof(Proj));
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return ExtractProjectileInfoDDNet(&Proj, pGameWorld);
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}
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CProjectileData Result = {vec2(0, 0)};
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Result.m_StartPos.x = pProj->m_X;
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Result.m_StartPos.y = pProj->m_Y;
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Result.m_StartVel.x = pProj->m_VelX / 100.0f;
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Result.m_StartVel.y = pProj->m_VelY / 100.0f;
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Result.m_Type = pProj->m_Type;
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Result.m_StartTick = pProj->m_StartTick;
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Result.m_ExtraInfo = false;
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Result.m_Owner = -1;
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Result.m_TuneZone = pGameWorld && pGameWorld->m_WorldConfig.m_UseTuneZones ? pGameWorld->Collision()->IsTune(pGameWorld->Collision()->GetMapIndex(Result.m_StartPos)) : 0;
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return Result;
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}
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CProjectileData ExtractProjectileInfoDDNet(const CNetObj_DDNetProjectile *pProj, CGameWorld *pGameWorld)
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{
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CProjectileData Result = {vec2(0, 0)};
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Result.m_StartPos.x = pProj->m_X / 100.0f;
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Result.m_StartPos.y = pProj->m_Y / 100.0f;
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float Angle = pProj->m_Angle / 1000000.0f;
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Result.m_StartVel.x = sin(-Angle);
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Result.m_StartVel.y = cos(-Angle);
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Result.m_Type = pProj->m_Type;
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Result.m_StartTick = pProj->m_StartTick;
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Result.m_ExtraInfo = true;
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Result.m_Owner = pProj->m_Data & 255;
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if(pProj->m_Data & PROJECTILEFLAG_NO_OWNER || Result.m_Owner < 0 || Result.m_Owner >= MAX_CLIENTS)
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{
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Result.m_Owner = -1;
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}
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// PROJECTILEFLAG_BOUNCE_HORIZONTAL, PROJECTILEFLAG_BOUNCE_VERTICAL
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Result.m_Bouncing = (pProj->m_Data >> 10) & 3;
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Result.m_Explosive = pProj->m_Data & PROJECTILEFLAG_EXPLOSIVE;
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Result.m_Freeze = pProj->m_Data & PROJECTILEFLAG_FREEZE;
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Result.m_TuneZone = pGameWorld && pGameWorld->m_WorldConfig.m_UseTuneZones ? pGameWorld->Collision()->IsTune(pGameWorld->Collision()->GetMapIndex(Result.m_StartPos)) : 0;
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return Result;
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}
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void SnapshotRemoveExtraProjectileInfo(unsigned char *pData)
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{
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CSnapshot *pSnap = (CSnapshot *)pData;
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for(int Index = 0; Index < pSnap->NumItems(); Index++)
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{
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const CSnapshotItem *pItem = pSnap->GetItem(Index);
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if(pItem->Type() == NETOBJTYPE_PROJECTILE)
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{
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CNetObj_Projectile *pProj = (CNetObj_Projectile *)((void *)pItem->Data());
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if(UseProjectileExtraInfo(pProj))
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{
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CProjectileData Data = ExtractProjectileInfo(pProj, nullptr);
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pProj->m_X = Data.m_StartPos.x;
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pProj->m_Y = Data.m_StartPos.y;
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pProj->m_VelX = (int)(Data.m_StartVel.x * 100.0f);
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pProj->m_VelY = (int)(Data.m_StartVel.y * 100.0f);
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}
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}
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}
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}
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