Merge pull request #491 from GeneralsOnlineDevelopmentTeam/seer/fix/w3d-treebuffer-null-mesh

bugfix(w3ddevice): Prevent null pointer dereference in W3DTreeBuffer for invalid tree meshes

Author: x64-dev

Core/GameEngineDevice/Source/W3DDevice/GameClient/W3DTreeBuffer.cpp

@@ -1014,7 +1014,7 @@ void W3DTreeBuffer::updateVertexBuffer()
 			Real theSin = m_trees[curTree].sin;
 			Real theCos = m_trees[curTree].cos;
 			if (type<0 || m_treeTypes[type].m_mesh == nullptr) {
-				type = 0;
+				continue; // No valid mesh for this tree type, skip to avoid null pointer dereference.
 			}
 
 			Int startVertex = m_trees[curTree].firstIndex;
@@ -2038,3 +2038,7 @@ void W3DTreeBuffer::loadPostProcess()
 
 
 
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