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 <base/tl/string.h>
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#include <engine/shared/config.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"
#include <engine/serverbrowser.h>
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CCamera::CCamera()
{
m_CamType = CAMTYPE_UNDEFINED;
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m_ZoomSet = false;
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m_Zoom = 1.0;
}
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void CCamera::OnRender()
{
CServerInfo Info;
Client()->GetServerInfo(&Info);
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if(!(m_pClient->m_Snap.m_SpecInfo.m_Active || IsRace(&Info) || Client()->State() == IClient::STATE_DEMOPLAYBACK))
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{
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m_ZoomSet = false;
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m_Zoom = 1.0;
}
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else if(!m_ZoomSet && g_Config.m_ClDefaultZoom != 10)
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{
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m_ZoomSet = true;
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OnReset();
}
// update camera center
if(m_pClient->m_Snap.m_SpecInfo.m_Active && !m_pClient->m_Snap.m_SpecInfo.m_UsePosition)
{
if(m_CamType != CAMTYPE_SPEC)
{
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m_LastPos[g_Config.m_ClDummy] = m_pClient->m_pControls->m_MousePos[g_Config.m_ClDummy];
m_pClient->m_pControls->m_MousePos[g_Config.m_ClDummy] = m_PrevCenter;
m_pClient->m_pControls->ClampMousePos();
m_CamType = CAMTYPE_SPEC;
}
m_Center = m_pClient->m_pControls->m_MousePos[g_Config.m_ClDummy];
}
else
{
if(m_CamType != CAMTYPE_PLAYER)
{
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m_pClient->m_pControls->m_MousePos[g_Config.m_ClDummy] = m_LastPos[g_Config.m_ClDummy];
m_pClient->m_pControls->ClampMousePos();
m_CamType = CAMTYPE_PLAYER;
}
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vec2 CameraOffset(0, 0);
float l = length(m_pClient->m_pControls->m_MousePos[g_Config.m_ClDummy]);
if(l > 0.0001f) // make sure that this isn't 0
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{
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float DeadZone = g_Config.m_ClDyncam ? g_Config.m_ClDyncamDeadzone : g_Config.m_ClMouseDeadzone;
float FollowFactor = (g_Config.m_ClDyncam ? g_Config.m_ClDyncamFollowFactor : g_Config.m_ClMouseFollowfactor) / 100.0f;
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float OffsetAmount = max(l-DeadZone, 0.0f) * FollowFactor;
CameraOffset = normalize(m_pClient->m_pControls->m_MousePos[g_Config.m_ClDummy])*OffsetAmount;
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}
if(m_pClient->m_Snap.m_SpecInfo.m_Active)
m_Center = m_pClient->m_Snap.m_SpecInfo.m_Position + CameraOffset;
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else
m_Center = m_pClient->m_LocalCharacterPos + CameraOffset;
}
m_PrevCenter = m_Center;
}
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void CCamera::OnConsoleInit()
{
Console()->Register("zoom+", "", CFGFLAG_CLIENT, ConZoomPlus, this, "Zoom increase");
Console()->Register("zoom-", "", CFGFLAG_CLIENT, ConZoomMinus, this, "Zoom decrease");
Console()->Register("zoom", "", CFGFLAG_CLIENT, ConZoomReset, this, "Zoom reset");
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}
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const float ZoomStep = 0.866025f;
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void CCamera::OnReset()
{
m_Zoom = 1.0f;
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for (int i = g_Config.m_ClDefaultZoom; i < 10; i++)
{
m_Zoom *= 1/ZoomStep;
}
for (int i = g_Config.m_ClDefaultZoom; i > 10; i--)
{
m_Zoom *= ZoomStep;
}
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}
void CCamera::ConZoomPlus(IConsole::IResult *pResult, void *pUserData)
{
CCamera *pSelf = (CCamera *)pUserData;
CServerInfo Info;
pSelf->Client()->GetServerInfo(&Info);
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if(pSelf->m_pClient->m_Snap.m_SpecInfo.m_Active || IsRace(&Info) || pSelf->Client()->State() == IClient::STATE_DEMOPLAYBACK)
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((CCamera *)pUserData)->m_Zoom *= ZoomStep;
}
void CCamera::ConZoomMinus(IConsole::IResult *pResult, void *pUserData)
{
CCamera *pSelf = (CCamera *)pUserData;
CServerInfo Info;
pSelf->Client()->GetServerInfo(&Info);
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if(pSelf->m_pClient->m_Snap.m_SpecInfo.m_Active || IsRace(&Info) || pSelf->Client()->State() == IClient::STATE_DEMOPLAYBACK)
{
if(((CCamera *)pUserData)->m_Zoom < 500.0f/ZoomStep)
{
((CCamera *)pUserData)->m_Zoom *= 1/ZoomStep;
}
}
}
void CCamera::ConZoomReset(IConsole::IResult *pResult, void *pUserData)
{
CCamera *pSelf = (CCamera *)pUserData;
CServerInfo Info;
pSelf->Client()->GetServerInfo(&Info);
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((CCamera *)pUserData)->OnReset();
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}