You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
o3de/Gems/Maestro/Code/Source/Cinematics/CVarNode.cpp

157 lines
3.8 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <AzCore/Serialization/SerializeContext.h>
#include "CVarNode.h"
#include "AnimTrack.h"
#include <ISystem.h>
#include <IConsole.h>
#include "Maestro/Types/AnimNodeType.h"
#include "Maestro/Types/AnimValueType.h"
#include "Maestro/Types/AnimParamType.h"
//////////////////////////////////////////////////////////////////////////
CAnimCVarNode::CAnimCVarNode(const int id)
: CAnimNode(id, AnimNodeType::CVar)
{
SetFlags(GetFlags() | eAnimNodeFlags_CanChangeName);
m_value = -1e-20f; //-1e-28;
}
CAnimCVarNode::CAnimCVarNode()
: CAnimCVarNode(0)
{
}
void CAnimCVarNode::CreateDefaultTracks()
{
CreateTrack(AnimParamType::Float);
}
void CAnimCVarNode::OnReset()
{
m_value = -1e-20f;
}
void CAnimCVarNode::OnResume()
{
OnReset();
}
//////////////////////////////////////////////////////////////////////////
unsigned int CAnimCVarNode::GetParamCount() const
{
return 1;
}
//////////////////////////////////////////////////////////////////////////
CAnimParamType CAnimCVarNode::GetParamType(unsigned int nIndex) const
{
if (nIndex == 0)
{
return AnimParamType::Float;
}
return AnimParamType::Invalid;
}
//////////////////////////////////////////////////////////////////////////
int CAnimCVarNode::GetDefaultKeyTangentFlags() const
{
int retTangentFlags = SPLINE_KEY_TANGENT_UNIFIED;
ICVar* var = gEnv->pConsole->GetCVar(GetNameFast());
// use step in tangents for int cvars
if (var && var->GetType() == CVAR_INT)
{
// clear tangent flags
retTangentFlags &= ~SPLINE_KEY_TANGENT_IN_MASK;
retTangentFlags &= ~SPLINE_KEY_TANGENT_OUT_MASK;
// set in tangents to step
retTangentFlags |= (SPLINE_KEY_TANGENT_STEP << SPLINE_KEY_TANGENT_IN_SHIFT);
retTangentFlags |= (SPLINE_KEY_TANGENT_CUSTOM << SPLINE_KEY_TANGENT_OUT_SHIFT);
}
return retTangentFlags;
}
//////////////////////////////////////////////////////////////////////////
bool CAnimCVarNode::GetParamInfoFromType(const CAnimParamType& paramId, SParamInfo& info) const
{
if (paramId.GetType() == AnimParamType::Float)
{
info.flags = IAnimNode::ESupportedParamFlags(0);
info.name = "Value";
info.paramType = AnimParamType::Float;
info.valueType = AnimValueType::Float;
return true;
}
return false;
}
//////////////////////////////////////////////////////////////////////////
void CAnimCVarNode::SetName(const char* name)
{
// Name of node is used as a name of console var.
CAnimNode::SetName(name);
ICVar* pVar = gEnv->pConsole->GetCVar(GetName());
if (pVar)
{
m_value = pVar->GetFVal();
}
}
//////////////////////////////////////////////////////////////////////////
void CAnimCVarNode::Animate(SAnimContext& ec)
{
if (ec.resetting)
{
return;
}
float value = m_value;
IAnimTrack* pValueTrack = GetTrackForParameter(AnimParamType::Float);
if (!pValueTrack || (pValueTrack->GetFlags() & IAnimTrack::eAnimTrackFlags_Disabled))
{
return;
}
pValueTrack->GetValue(ec.time, value);
if (value != m_value)
{
m_value = value;
// Change console var value.
ICVar* pVar = gEnv->pConsole->GetCVar(GetName());
if (pVar)
{
pVar->Set(m_value);
}
}
}
//////////////////////////////////////////////////////////////////////////
void CAnimCVarNode::Reflect(AZ::ReflectContext* context)
{
if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(context))
{
serializeContext->Class<CAnimCVarNode, CAnimNode>()
->Version(1);
}
}