123

2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/CryAnimation/CryCharReShadowVolume.cpp
+++ b/CryAnimation/CryCharReShadowVolume.cpp
@@ -0,0 +1,151 @@
+#include "stdafx.h"
+//#include "CryAnimation.h"
+#include "CVars.h"
+#include "CryCharReShadowVolume.h"
+
+
+CryCharReShadowVolume::CryCharReShadowVolume():
+	m_pLeafBuffer (NULL),
+	m_pMesh (NULL),
+	m_nUsedMeshVertices(0),
+	m_arrIndices ("CryCharReShadowVolume.Indices"),
+	m_arrVertices ("CryCharReShadowVolume.Vertices"),
+	m_nLastFrameSubmitted(0)
+{
+}
+
+CryCharReShadowVolume::~CryCharReShadowVolume()
+{
+	clear();
+}
+
+void CryCharReShadowVolume::clear()
+{
+	if (m_pLeafBuffer)
+	{
+		g_GetIRenderer()->DeleteLeafBuffer (m_pLeafBuffer);
+		m_pLeafBuffer = NULL;
+	}
+  
+	if (m_pMesh)
+	{
+		m_pMesh->m_arrLBuffers[0].pVB = NULL;
+		m_pMesh->Release();
+		m_pMesh = NULL;
+	}
+}	
+
+
+// prepares for calculating the shadow volume	
+// numVertices is the minimal length of the vertex buffer
+// numIndices is the minimal length of the index buffer
+void CryCharReShadowVolume::prepare (unsigned numIndices, unsigned numVertices)
+{
+	bool bRecreate = false;
+
+	m_nUsedMeshVertices = numVertices;
+
+	// Realloc index in-mem buffer
+	if (m_arrIndices.size() < numIndices)
+	{
+		m_arrIndices.reinit(numIndices);
+	}
+	
+	// Realloc vertex in-mem buffer
+	if (m_arrVertices.size() < numVertices)
+	{
+		m_arrVertices.reinit(numVertices);
+	}
+
+	if (m_pLeafBuffer && m_pLeafBuffer->m_SecVertCount < (int)numVertices)
+	{
+		g_GetIRenderer()->DeleteLeafBuffer (m_pLeafBuffer);
+		m_pLeafBuffer = NULL;
+	}
+
+	if (!m_pMesh)
+  {
+		m_pMesh = (CRETriMeshShadow *)g_GetIRenderer()->EF_CreateRE (eDATA_TriMeshShadow);
+    m_pMesh->m_bAnimatedObject = true;
+  }
+	
+	if (!m_pMesh)
+	{
+		assert (0);
+		g_GetLog()->LogError ("Cannot get the render element for the stencil shadow volume");
+		return;
+	}
+
+	if (!m_pLeafBuffer)
+	{
+    assert(!m_arrVertices.empty());
+    m_pLeafBuffer = g_GetIRenderer()->CreateLeafBufferInitialized(&m_arrVertices[0], numVertices, VERTEX_FORMAT_P3F, NULL, 0, R_PRIMV_TRIANGLES, "Character ShadowVolume");
+    m_pLeafBuffer->SetChunk(0,0,numVertices,0,-1); // setup fake shunk to allow mfCheckUpdate
+		m_pMesh->m_arrLBuffers[0].pVB = m_pLeafBuffer; // use always slot 0
+	}
+  m_pMesh->m_nRendIndices = numIndices;
+}
+
+
+// assuming the calculation of the shadow volume is finished, submits it to the renderer
+void CryCharReShadowVolume::submit (const SRendParams *rParams, IShader* pShadowCull)
+{
+#ifdef _DEBUG
+	{
+		for (int i = 0; i < m_pLeafBuffer->m_Indices.m_nItems; ++i)
+			assert (m_arrIndices[i] < m_pLeafBuffer->m_SecVertCount);
+	}
+#endif
+
+	//get the effect object from the renderer
+	CCObject *pObj = g_GetIRenderer()->EF_GetObject (true);
+
+//  pObj->m_nScissorX1 = rParams->nScissorX1;
+//  pObj->m_nScissorY1 = rParams->nScissorY1;
+//  pObj->m_nScissorX2 = rParams->nScissorX2;
+//  pObj->m_nScissorY2 = rParams->nScissorY2;
+
+	pObj->m_DynLMMask = rParams->nDLightMask; // used for scissor test
+  Matrix34 t				= Matrix34::CreateTranslationMat(rParams->vPos);
+  Matrix33 r33			=	Matrix33::CreateRotationXYZ( Deg2Rad(Ang3(rParams->vAngles[0],-rParams->vAngles[1],rParams->vAngles[2])));	
+  pObj->m_Matrix    = GetTransposed44(t*r33);
+  pObj->m_ObjFlags |= FOB_TRANS_MASK;
+
+//  m_pMesh->mfCheckUpdate(0);
+
+//	GetRenderer()->UpdateBuffer(m_pLeafBuffer->m_pVertexBuffer,&m_arrVertices[0],numMeshVertices(),true);
+	//GetRenderer()->UpdateIndices(m_pLeafBuffer->m_pVertexBuffer,&m_arrIndices[0],numMeshIndices());		
+  
+  // update verts in system buffer
+  // it's better to make call back function and write directly into video memory
+  // indices are passed to CRETriMeshShadow by pointer as before
+  m_pLeafBuffer->UpdateSysVertices(&m_arrVertices[0],numMeshVertices());
+  m_pLeafBuffer->UpdateSysIndices(&m_arrIndices[0],m_pMesh->m_nRendIndices);
+
+	IShader * pSHStencil = g_GetIRenderer()->EF_LoadShader("<Stencil>", eSH_World, EF_SYSTEM);
+	g_GetIRenderer()->EF_AddEf(0, (CRendElement *)m_pMesh , pSHStencil, NULL, pObj, -1, pShadowCull, rParams->nSortValue);		
+
+	m_nLastFrameSubmitted = g_GetIRenderer()->GetFrameID();
+	m_fLastTimeSubmitted = g_GetTimer()->GetCurrTime();
+}
+
+
+void CryCharReShadowVolume::GetMemoryUsage (ICrySizer* pSizer)
+{
+	pSizer->Add(*this);
+	pSizer->AddContainer(m_arrIndices);
+	pSizer->AddContainer(m_arrVertices);
+}
+
+
+// returns the age of this shadow volume: the current frame - the frame it was submitted last
+unsigned CryCharReShadowVolume::getAgeFrames()
+{
+	return g_GetIRenderer()->GetFrameID() - m_nLastFrameSubmitted;
+}
+
+// returns the timeout from the last call to submit()
+float CryCharReShadowVolume::getAgeSeconds()
+{
+	return g_GetTimer()->GetCurrTime() - m_fLastTimeSubmitted;
+}