ddnet/src/game/client/components/camera.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 <engine/shared/config.h>
#include <base/tl/string.h>
#include <engine/serverbrowser.h>
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#include <base/math.h>
#include <game/collision.h>
#include <game/client/gameclient.h>
#include <game/client/component.h>
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#include "camera.h"
#include "controls.h"
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CCamera::CCamera()
{
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m_Zoom = 1.0f;
m_WasSpectator = false;
}
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void CCamera::OnRender()
{
//vec2 center;
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// update camera center
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if(m_pClient->m_Snap.m_Spectate)
{
if(!m_WasSpectator)
{
m_pClient->m_pControls->ClampMousePos();
m_WasSpectator = true;
}
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m_Center = m_pClient->m_pControls->m_MousePos;
}
else
{
if(m_WasSpectator)
{
m_pClient->m_pControls->ClampMousePos();
m_WasSpectator = false;
}
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float l = length(m_pClient->m_pControls->m_MousePos);
float DeadZone = g_Config.m_ClMouseDeadzone;
float FollowFactor = g_Config.m_ClMouseFollowfactor/100.0f;
vec2 CameraOffset(0, 0);
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float OffsetAmount = max(l-DeadZone, 0.0f) * FollowFactor;
if(l > 0.0001f) // make sure that this isn't 0
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CameraOffset = normalize(m_pClient->m_pControls->m_MousePos)*OffsetAmount;
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m_Center = m_pClient->m_LocalCharacterPos + CameraOffset;
}
}
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void CCamera::OnConsoleInit()
{
Console()->Register("zoom+", "", CFGFLAG_CLIENT, ConZoomPlus, this, "Zoom increase", 0);
Console()->Register("zoom-", "", CFGFLAG_CLIENT, ConZoomMinus, this, "Zoom decrease", 0);
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Console()->Register("zoom", "", CFGFLAG_CLIENT, ConZoomReset, this, "Zoom reset", 0);
}
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const float ZoomStep = 0.75f;
void CCamera::ConZoomPlus(IConsole::IResult *pResult, void *pUserData, int ClientID)
{
CCamera *pSelf = (CCamera *)pUserData;
CServerInfo Info;
pSelf->Client()->GetServerInfo(&Info);
if(g_Config.m_ClDDRaceCheats == 1 && str_find_nocase(Info.m_aGameType, "race"))
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((CCamera *)pUserData)->m_Zoom *= ZoomStep;
}
void CCamera::ConZoomMinus(IConsole::IResult *pResult, void *pUserData, int ClientID)
{
CCamera *pSelf = (CCamera *)pUserData;
CServerInfo Info;
pSelf->Client()->GetServerInfo(&Info);
if(g_Config.m_ClDDRaceCheats == 1 && str_find_nocase(Info.m_aGameType, "race"))
((CCamera *)pUserData)->m_Zoom *= 1/ZoomStep;
}
void CCamera::ConZoomReset(IConsole::IResult *pResult, void *pUserData, int ClientID)
{
CCamera *pSelf = (CCamera *)pUserData;
CServerInfo Info;
pSelf->Client()->GetServerInfo(&Info);
if(g_Config.m_ClDDRaceCheats == 1 && str_find_nocase(Info.m_aGameType, "race"))
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((CCamera *)pUserData)->m_Zoom = 1.0f;
}