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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/Cry3DEngine/BrushLM.cpp
+++ b/Cry3DEngine/BrushLM.cpp
@@ -0,0 +1,135 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   brushlm.cpp
+//  Version:     v1.00
+//  Created:     28/5/2001 by Vladimir Kajalin
+//  Compilers:   Visual Studio.NET
+//  Description: 
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+
+#include "StatObj.h"
+#include "objman.h"
+#include "visareas.h"
+#include "terrain_sector.h"
+#include "cbuffer.h"
+#include "3DEngine.h"
+#include "meshidx.h"
+#include "watervolumes.h"
+#include "LMCompStructures.h"
+#include "brush.h"
+#include "IEntitySystem.h"
+
+void CBrush::SetLightmap(RenderLMData *pLMData, float *pTexCoords, UINT iNumTexCoords, const unsigned char cucOcclIDCount, const std::vector<std::pair<EntityId, EntityId> >& aIDs)
+{
+	assert(cucOcclIDCount <= 4);
+
+	memset(m_arrOcclusionLightOwners,0,sizeof(m_arrOcclusionLightOwners));
+
+	if(GetCVars()->e_light_maps_occlusion)
+	{
+		if(m_bEditorMode)
+		{
+			for(int i=0; i<4 && i<cucOcclIDCount; ++i)
+			{
+				EntityId nEntId = aIDs[i].first;
+				IEntityRender * pEnt;
+				if(nEntId == (EntityId)-1)
+					pEnt = (IEntityRender*)-1; // sun
+				else
+					pEnt = GetSystem()->GetIEntitySystem()->GetEntity(nEntId);
+				//			assert(pEnt);
+				m_arrOcclusionLightOwners[i] = pEnt;
+			}
+		}
+		else
+		{
+			const list2<CDLight*> * pStaticLights = Get3DEngine()->GetStaticLightSources();
+			for(int i=0; (i<4) && (i<cucOcclIDCount) && (pStaticLights->Count()); ++i)
+			{
+				EntityId nEntId = aIDs[i].second;
+				IEntityRender * pEnt;
+				if(nEntId == (EntityId)-1)
+					pEnt = (IEntityRender*)-1; // sun
+				else
+					pEnt = pStaticLights->GetAt(nEntId)->m_pOwner;
+				assert(pEnt);
+				m_arrOcclusionLightOwners[i] = pEnt;
+			}
+		}
+	}
+
+	SetLightmap(pLMData, pTexCoords, iNumTexCoords, 0);
+}
+
+void CBrush::SetLightmap(RenderLMData *pLMData, float *pTexCoords, UINT iNumTexCoords, int nLod)
+{
+	// ---------------------------------------------------------------------------------------------
+	// Set a referenece of a DOT3 Lightmap object for this GLM
+	// ---------------------------------------------------------------------------------------------
+
+	IRenderer *pIRenderer = GetRenderer();
+
+	assert(iNumTexCoords);
+	assert(!IsBadReadPtr(pTexCoords, sizeof(float) * 2 * iNumTexCoords));
+
+	m_arrLMData[nLod].m_pLMData = pLMData;
+
+	if (m_arrLMData[nLod].m_pLMTCBuffer)
+	{
+		pIRenderer->DeleteLeafBuffer(m_arrLMData[nLod].m_pLMTCBuffer);
+		m_arrLMData[nLod].m_pLMTCBuffer = NULL;
+	}
+
+	IStatObj *pIStatObj = GetEntityStatObj(0, NULL);									
+
+	if (pIStatObj == NULL)
+		return;
+
+  if(!pIStatObj->EnableLightamapSupport())
+    return;
+
+	CLeafBuffer *pLeafBuffer = pIStatObj->GetLeafBuffer();			
+
+	if (pLeafBuffer == NULL)
+		return;
+
+	// Renderer expect 2 floats
+	std::vector<float> vTexCoord2;
+	vTexCoord2.reserve(iNumTexCoords * 2);
+	UINT i;
+	for (i=0; i<iNumTexCoords; i++)
+	{
+		vTexCoord2.push_back(pTexCoords[i * 2 + 0]); // S
+		vTexCoord2.push_back(pTexCoords[i * 2 + 1]); // T
+	}
+
+	if (pLeafBuffer->m_SecVertCount != iNumTexCoords)
+	{
+		char szBuffer[1024];
+		sprintf(szBuffer, "Error: CBrush::SetLightmap: Object at position (%f, %f, %f) has" \
+			" texture mismatch (%i coordinates supplied, %i required)\r\n",
+			GetPos().x, GetPos().y, GetPos().z, 
+			iNumTexCoords, pLeafBuffer->m_SecVertCount);
+		Warning(0,pIStatObj->GetFileName(),szBuffer);
+		// assert(pLeafBuffer->m_SecVertCount == iNumTexCoords);
+		return;
+	}
+
+	// Make leafbuffer and fill it with texture coordinates
+	m_arrLMData[nLod].m_pLMTCBuffer = GetRenderer()->CreateLeafBufferInitialized(
+		&vTexCoord2[0], pLeafBuffer->m_SecVertCount, VERTEX_FORMAT_TEX2F, 
+		0/*pLeafBuffer->GetIndices(0)*/, 0/*pLeafBuffer->m_Indices.m_nItems*/, 
+		R_PRIMV_TRIANGLES, "LMapTexCoords", eBT_Static, 1, 0, NULL, NULL, false, false);
+
+  C3DEngine *pEng = (C3DEngine *)Get3DEngine();
+	m_arrLMData[nLod].m_pLMTCBuffer->SetChunk(pEng->m_pSHDefault,
+		0,pLeafBuffer->m_SecVertCount, 0,pLeafBuffer->m_Indices.m_nItems);
+}