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CryAnimation/CryModEffMorph.cpp

@@ -0,0 +1,67 @@
+#include "stdafx.h"
+#include "CryModEffMorph.h"
+
+CryModEffMorph::CryModEffMorph(/*CryModelAnimationContainer* pAnimations*/)
+//	:m_pAnimations(pAnimations)
+{
+}
+
+
+// starts the morphing sequence
+void CryModEffMorph::StartMorph (int nMorphTargetId, const CryCharMorphParams& rParams)
+{
+	m_Params = rParams;
+	m_nMorphTargetId = nMorphTargetId;
+	m_fTime = rParams.fStartTime;
+	m_nFlags = rParams.nFlags;
+}
+
+void CryModEffMorph::stop()
+{
+	m_nMorphTargetId = -1;
+}
+
+// advances the current time of the played animation and returns the blending factor by which this animation affects the bone pose
+void CryModEffMorph::Tick (float fDeltaTime)
+{
+	if (m_nMorphTargetId < 0)
+		return;
+
+	if (!(m_nFlags & m_Params.FLAGS_FREEZE))
+		m_fTime += fDeltaTime * m_Params.fSpeed;
+	
+	if (!(m_nFlags & m_Params.FLAGS_NO_BLENDOUT) && m_fTime > m_Params.fBlendIn + m_Params.fBlendOut + m_Params.fLength)
+		// we're finished
+		m_nMorphTargetId = -1;
+}
+
+// returns the blending for the morph target
+float CryModEffMorph::getBlending()const
+{
+	float fTimeStable = m_fTime - m_Params.fBlendIn;
+	
+	if (fTimeStable < 0) // blending in...
+		return m_fTime*m_Params.fAmplitude/m_Params.fBlendIn;
+
+	if (m_nFlags & m_Params.FLAGS_NO_BLENDOUT)
+		return m_Params.fAmplitude; // never blending out - stable morph
+
+	float fTimeBlendOut = fTimeStable - m_Params.fLength;
+	
+	if (fTimeBlendOut < 0)
+		return m_Params.fAmplitude;
+
+	return m_Params.fAmplitude * (1 - fTimeBlendOut/m_Params.fBlendOut);
+}
+
+// returns false when this morph target is inactive
+bool CryModEffMorph::isActive()const
+{
+	return m_nMorphTargetId >= 0;
+}
+
+// returns the morph target, or -1 if none
+int CryModEffMorph::getMorphTargetId () const
+{
+	return m_nMorphTargetId;
+}