This was SVN commit r5036.

source/graphics/GameView.cpp

@@ -305,6 +305,8 @@ void CGameView::EnumerateObjects(const CFrustum& frustum, SceneCollector* c)
 	PROFILE_START( "submit terrain" );
 	CTerrain* pTerrain = m->Game->GetWorld()->GetTerrain();
 	u32 patchesPerSide = pTerrain->GetPatchesPerSide();
+
+	// findout, which patches will be drawn
 	for (uint j=0; j<patchesPerSide; j++) {
 		for (uint i=0; i<patchesPerSide; i++) {
 			CPatch* patch=pTerrain->GetPatch(i,j);
@@ -317,7 +319,22 @@ void CGameView::EnumerateObjects(const CFrustum& frustum, SceneCollector* c)
 			}
 			
 			if (!m->Culling || frustum.IsBoxVisible (CVector3D(0,0,0), bounds)) {
+				//c->Submit(patch);
+				patch->setDrawState();
+			}
+		}
+	}
+
+	// draw the patches
+	for (uint j=0; j<patchesPerSide; j++)
+	{
+		for (uint i=0; i<patchesPerSide; i++)
+		{
+			CPatch* patch=pTerrain->GetPatch(i,j);
+			if(patch->getDrawState() == true)
+			{
 				c->Submit(patch);
+				patch->resetDrawState();
 			}
 		}
 	}

source/graphics/Patch.cpp

@@ -3,6 +3,7 @@
 // Name:		ModelDef.cpp
 // Author:		Rich Cross
 // Contact:		rich@wildfiregames.com
+// Modified by:	30. April 2007 - Christian Heubach
 //
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -16,12 +17,14 @@
 // CPatch constructor
 CPatch::CPatch() : m_Parent(0)
 {
+	this->m_bWillBeDrawn = false;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CPatch destructor
 CPatch::~CPatch()
 {
+	
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -43,6 +46,24 @@ void CPatch::Initialize(CTerrain* parent,u32 x,u32 z)
 	}
 
 	InvalidateBounds();
+
+	// get the neightbors
+	this->m_Neightbors[CPATCH_NEIGHTBOR_LEFT_TOP] = 
+		this->m_Parent->GetPatch(x-1,z-1);
+	this->m_Neightbors[CPATCH_NEIGHTBOR_TOP] = 
+		this->m_Parent->GetPatch(x,z-1);
+	this->m_Neightbors[CPATCH_NEIGHTBOR_RIGHT_TOP] = 
+		this->m_Parent->GetPatch(x+1,z-1);
+	this->m_Neightbors[CPATCH_NEIGHTBOR_LEFT] = 
+		this->m_Parent->GetPatch(x-1,z);
+	this->m_Neightbors[CPATCH_NEIGHTBOR_RIGHT] = 
+		this->m_Parent->GetPatch(x+1,z);
+	this->m_Neightbors[CPATCH_NEIGHTBOR_LEFT_BOTTOM] = 
+		this->m_Parent->GetPatch(x-1,z+1);
+	this->m_Neightbors[CPATCH_NEIGHTBOR_BOTTOM] = 
+		this->m_Parent->GetPatch(x,z+1);
+	this->m_Neightbors[CPATCH_NEIGHTBOR_RIGHT_BOTTOM] = 
+		this->m_Parent->GetPatch(x+1,z+1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////

source/graphics/Patch.h

@@ -3,6 +3,7 @@
 // Name:		Patch.h
 // Author:		Rich Cross
 // Contact:		rich@wildfiregames.com
+// Modified by:	30. April 2007 - Christian Heubach
 //
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -20,6 +21,18 @@ class CTerrain;
 // PATCH_SIZE: number of tiles in each patch
 const int	PATCH_SIZE = 16;
 
+///////////////////////////////////////////////////////////////////////////////
+// CPatchNeightbors: neightbor - IDs for CPatch
+
+#define	CPATCH_NEIGHTBOR_LEFT_TOP		0
+#define	CPATCH_NEIGHTBOR_TOP			1
+#define	CPATCH_NEIGHTBOR_RIGHT_TOP		2
+#define CPATCH_NEIGHTBOR_LEFT			3
+#define CPATCH_NEIGHTBOR_RIGHT			4
+#define CPATCH_NEIGHTBOR_LEFT_BOTTOM	5
+#define CPATCH_NEIGHTBOR_BOTTOM			6
+#define CPATCH_NEIGHTBOR_RIGHT_BOTTOM	7
+
 ///////////////////////////////////////////////////////////////////////////////
 // CPatch: a single terrain patch, PATCH_SIZE tiles square
 class CPatch : public CRenderableObject
@@ -35,6 +48,12 @@ public:
 	// calculate and store bounds of this patch
 	void CalcBounds();
 
+	// neightbors of this patch
+	CPatch *m_Neightbors[8];
+
+	// is alread in the DrawList
+	bool m_bWillBeDrawn;
+
 public:
 	// minipatches (tiles) making up the patch
 	CMiniPatch m_MiniPatches[PATCH_SIZE][PATCH_SIZE];
@@ -42,7 +61,20 @@ public:
 	u32 m_X,m_Z;
 	// parent terrain
 	CTerrain* m_Parent;
+	// draw state...
+	void resetDrawState() { this->m_bWillBeDrawn = false; }
+	void setDrawState()
+	{
+		for(int i=0;i<8;i++)
+		{
+			if(m_Neightbors[i])
+				m_Neightbors[i]->m_bWillBeDrawn = true;
+		}
+		m_bWillBeDrawn = true;
+	}
+	bool getDrawState() { return this->m_bWillBeDrawn; }
 };
 
 
 #endif
+