EveTriggerVolume implementation

trinity/CMakeLists.txt

@@ -776,6 +776,9 @@ set(_SOURCES
     Eve/AudioGameObject.cpp
     Eve/AudioGameObject.h
     Eve/AudioGameObject_Blue.cpp
+    Eve/EveTriggerVolume.cpp
+    Eve/EveTriggerVolume.h
+    Eve/EveTriggerVolume_Blue.cpp
     Eve/EveEffectRoot2.cpp
     Eve/EveEffectRoot2.h
     Eve/EveEffectRoot2_Blue.cpp

trinity/Controllers/Actions/Tr2ActionBindRTPC.cpp

@@ -85,6 +85,7 @@ void Tr2ActionBindRTPC::StartWithController( ITr2ActionController* controller )
 void Tr2ActionBindRTPC::Stop( ITr2ActionController& controller )
 {
 	controller.UnRegisterUpdateable( *this );
+	m_emitter = nullptr;
 }
 
 void Tr2ActionBindRTPC::StopWithController( ITr2ActionController* controller )

trinity/Eve/EveTriggerVolume.cpp

@@ -0,0 +1,292 @@
+// Copyright © 2026 CCP ehf.
+
+#include "StdAfx.h"
+#include "EveTriggerVolume.h"
+#include "TriDevice.h"
+
+namespace
+{
+void InvokeTriggerCallback( void* context, bool entered )
+{
+	EveTriggerVolume* triggerVolume = reinterpret_cast<EveTriggerVolume*>( context );
+
+	triggerVolume->InvokeCallback( entered );
+	triggerVolume->GetRawRoot()->Unlock();
+}
+
+void TriggerEnterCallback( void* context )
+{
+	InvokeTriggerCallback( context, true );
+}
+
+void TriggerExitCallback( void* context )
+{
+	InvokeTriggerCallback( context, false );
+}
+}
+
+EveTriggerVolume::EveTriggerVolume( IRoot* lockobj ) :
+	PARENTLOCK( m_volumes ),
+	PARENTLOCK( m_exclusionVolumes ),
+	PARENTLOCK( m_externalParameters ),
+	m_rotation( 0.0f, 0.0f, 0.0f, 1.0f ),
+	m_translation( 0.0f, 0.0f, 0.0f ),
+	m_worldTransform( IdentityMatrix() ),
+	m_enterThreshold( 0.5f ),
+	m_isInside( false ),
+	m_currentIntensity( 0.0f )
+{
+}
+
+EveTriggerVolume::~EveTriggerVolume()
+{
+}
+
+void EveTriggerVolume::RebuildBoundingSphere()
+{
+	CCP_STATS_ZONE( __FUNCTION__ );
+
+	m_boundingSphere = CcpMath::Sphere();
+
+	for( const auto& volume : m_volumes )
+	{
+		auto volumeSphere = volume->GetBoundingSphere();
+
+		if( !volumeSphere.IsInitialized() )
+		{
+			continue;
+		}
+
+		if( !m_boundingSphere.IsInitialized() || volumeSphere.IsSphereInside( m_boundingSphere ) )
+		{
+			m_boundingSphere = volumeSphere;
+			continue;
+		}
+
+		if( m_boundingSphere.IsSphereInside( volumeSphere ) )
+		{
+			continue;
+		}
+
+		Vector3 delta = volumeSphere.center - m_boundingSphere.center;
+		float deltaLen = Length( delta );
+
+		m_boundingSphere.center += 0.5f * ( 1.f + ( volumeSphere.radius - m_boundingSphere.radius ) / deltaLen ) * delta;
+		m_boundingSphere.radius = 0.5f * ( m_boundingSphere.radius + volumeSphere.radius + deltaLen );
+	}
+}
+
+void EveTriggerVolume::SetCallback( const BlueScriptCallback& callback )
+{
+	m_callback = callback;
+}
+
+void EveTriggerVolume::InvokeCallback( bool entered )
+{
+	BlueScriptCallback callback = m_callback;
+	if( !callback )
+	{
+		return;
+	}
+
+	callback.CallVoid( m_name.c_str(), entered ).ReportException();
+}
+
+void EveTriggerVolume::QueueCallback( bool entered )
+{
+	if( !m_callback )
+	{
+		return;
+	}
+	// Keeps the object alive until the queued callback runs.
+	GetRawRoot()->Lock();
+
+	if( entered )
+	{
+		gTriDev->AddPostUpdateCallback( TriggerEnterCallback, reinterpret_cast<void*>( this ) );
+	}
+	else
+	{
+		gTriDev->AddPostUpdateCallback( TriggerExitCallback, reinterpret_cast<void*>( this ) );
+	}
+}
+
+void EveTriggerVolume::UpdateWorldTransform( Be::Time time )
+{
+	Vector3 translation;
+
+	if( m_ballPosition )
+	{
+		m_ballPosition->Update( &translation, time );
+	}
+	else
+	{
+		translation = m_translation;
+	}
+
+	m_worldTransform = RotationMatrix( m_rotation ) * TranslationMatrix( translation );
+}
+
+// IEveSpaceObject2
+void EveTriggerVolume::UpdateSyncronous( const EveUpdateContext& updateContext )
+{
+	CCP_STATS_ZONE( __FUNCTION__ );
+
+	UpdateWorldTransform( updateContext.GetTime() );
+
+	RebuildBoundingSphere();
+
+	UpdateTriggerState( updateContext );
+}
+
+float EveTriggerVolume::GetMaxIntensity( const PIEveVolumeVector& volumes, const Vector3& position )
+{
+	float intensity = 0.0f;
+	for( const auto& volume : volumes )
+	{
+		intensity = std::max( intensity, volume->GetIntensity( position ) );
+		if( intensity == 1.0f )
+		{
+			// early exit
+			break;
+		}
+	}
+	return intensity;
+}
+
+void EveTriggerVolume::UpdateTriggerState( const EveUpdateContext& updateContext )
+{
+	m_currentIntensity = 0.0f;
+
+	bool inside = false;
+	if( m_trackedPosition && !m_volumes.empty() )
+	{
+		Vector3 trackedPosition;
+		m_trackedPosition->Update( &trackedPosition, updateContext.GetTime() );
+
+		Matrix inverseWorldTransform = Inverse( m_worldTransform );
+		Vector3 positionInObjectSpace = Transform( trackedPosition, inverseWorldTransform ).GetXYZ();
+
+		// check first if the tracked position is within the bounding sphere
+		if( m_boundingSphere.IsPointInside( positionInObjectSpace ) )
+		{
+			m_currentIntensity = GetMaxIntensity( m_volumes, positionInObjectSpace );
+
+			if( m_currentIntensity != 0.0f )
+			{
+				// check if the tracked position is within an exclusion volume
+				float negativeIntensity = GetMaxIntensity( m_exclusionVolumes, positionInObjectSpace );
+				m_currentIntensity = std::max( 0.0f, m_currentIntensity - negativeIntensity );
+			}
+		}
+
+		inside = m_currentIntensity >= m_enterThreshold;
+	}
+
+	if( inside != m_isInside )
+	{
+		m_isInside = inside;
+		QueueCallback( inside );
+	}
+}
+
+void EveTriggerVolume::UpdateAsyncronous( const EveUpdateContext& updateContext )
+{
+}
+
+void EveTriggerVolume::UpdateVisibility( const EveUpdateContext& updateContext, const Matrix& parentTransform )
+{
+}
+
+void EveTriggerVolume::GetRenderables( std::vector<ITr2Renderable*>& renderables, Tr2ImpostorManager* impostors )
+{
+}
+
+bool EveTriggerVolume::GetBoundingSphere( Vector4& sphere, BoundingSphereQuery query ) const
+{
+	Vector3 worldCenter = Transform( m_boundingSphere.center, m_worldTransform ).GetXYZ();
+	sphere = Vector4( worldCenter.x, worldCenter.y, worldCenter.z, std::max( m_boundingSphere.radius, 1.0f ) );
+	return true;
+}
+
+void EveTriggerVolume::UpdateModelCenterWorldPosition( Vector3& position, Be::Time t )
+{
+	UpdateWorldTransform( t );
+	GetModelCenterWorldPosition( position );
+}
+
+void EveTriggerVolume::GetModelCenterWorldPosition( Vector3& position ) const
+{
+	position = Transform( m_boundingSphere.center, m_worldTransform ).GetXYZ();
+}
+
+bool EveTriggerVolume::GetLocalBoundingBox( Vector3& min, Vector3& max )
+{
+	// Fall back to a unit box when no volumes are set up yet, so the object stays pickable in Graphite.
+	float radius = std::max( m_boundingSphere.radius, 1.0f );
+	Vector3 extent( radius, radius, radius );
+
+	min = m_boundingSphere.center - extent;
+	max = m_boundingSphere.center + extent;
+	return true;
+}
+
+void EveTriggerVolume::GetLocalToWorldTransform( Matrix& transform ) const
+{
+	transform = m_worldTransform;
+}
+
+Vector3 EveTriggerVolume::GetWorldPosition()
+{
+	return m_worldTransform.GetTranslation();
+}
+
+Quaternion EveTriggerVolume::GetWorldRotation()
+{
+	return Normalize( RotationQuaternion( m_worldTransform ) );
+}
+
+bool EveTriggerVolume::Initialize()
+{
+	UpdateWorldTransform( Be::Time( 0.0 ) );
+	RebuildBoundingSphere();
+	return true;
+}
+
+void EveTriggerVolume::GetDebugOptions( Tr2DebugRendererOptions& options )
+{
+	options.insert( "Trigger Volumes" );
+	options.insert( "Trigger Exclusion Volumes" );
+	options.insert( "Trigger Bounding Sphere" );
+}
+
+void EveTriggerVolume::RenderDebugInfo( ITr2DebugRenderer2& renderer )
+{
+	if( renderer.HasOption( GetRawRoot(), "Trigger Volumes" ) )
+	{
+		// green when the tracked position is inside, white otherwise
+		Color color = 0xFFFFFFFF;
+		if( m_isInside )
+		{
+			color = 0xFF33FF33;
+		}
+
+		for( const auto& volume : m_volumes )
+		{
+			volume->RenderDebugInfo( renderer, m_worldTransform, color );
+		}
+	}
+
+	if( renderer.HasOption( GetRawRoot(), "Trigger Exclusion Volumes" ) )
+	{
+		for( const auto& volume : m_exclusionVolumes )
+		{
+			volume->RenderDebugInfo( renderer, m_worldTransform, 0xFFFF3333 );
+		}
+	}
+
+	if( renderer.HasOption( GetRawRoot(), "Trigger Bounding Sphere" ) )
+	{
+		renderer.DrawSphere( this, TranslationMatrix( m_boundingSphere.center ) * m_worldTransform, m_boundingSphere.radius, 10, Tr2DebugRenderer::Wireframe, 0xff333333 );
+	}
+}