Add support for large meshes in .irrmesh format. Patch submitted by pc0de.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2261 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CIrrMeshFileLoader.h

@@ -11,6 +11,7 @@
 #include "irrString.h"
 #include "SMesh.h"
 #include "SMeshBuffer.h"
+#include "CDynamicMeshBuffer.h"
 #include "ISceneManager.h"
 
 namespace irr
@@ -68,13 +69,11 @@ private:
 	//! reads floats from inside of xml element until end of xml element
 	void readFloatsInsideElement(io::IXMLReader* reader, f32* floats, u32 count);
 
-	//! read all 3 types of mesh buffers
-	void readMeshBuffer(io::IXMLReader* reader, int vertexCount, SMeshBuffer* sbuffer);
-	void readMeshBuffer(io::IXMLReader* reader, int vertexCount, SMeshBufferLightMap* sbuffer);
-	void readMeshBuffer(io::IXMLReader* reader, int vertexCount, SMeshBufferTangents* sbuffer);
+	//! read the mesh buffers
+	void readMeshBuffer(io::IXMLReader* reader, int vertexCount, CDynamicMeshBuffer* sbuffer);
 
 	//! read indices
-	void readIndices(io::IXMLReader* reader, int indexCount, core::array<u16>& indices);
+	void readIndices(io::IXMLReader* reader, int indexCount, IIndexBuffer& indices);
 
 
 	// member variables

source/Irrlicht/CIrrMeshWriter.cpp

@@ -252,13 +252,25 @@ void CIrrMeshWriter::writeMeshBuffer(const scene::IMeshBuffer* buffer)
 	Writer->writeLineBreak();
 
 	int indexCount = (int)buffer->getIndexCount();
-	const u16* idx = buffer->getIndices();
+
+	video::E_INDEX_TYPE iType = buffer->getIndexType();
+
+	const u16* idx16 = buffer->getIndices();
+	const u32* idx32 = (u32*) buffer->getIndices();
 	const int maxIndicesPerLine = 25;
 
 	for (int i=0; i<indexCount; ++i)
 	{
-		core::stringw str((int)idx[i]);
-		Writer->writeText(str.c_str());
+		if(iType == video::EIT_16BIT)
+		{
+			core::stringw str((int)idx16[i]);
+			Writer->writeText(str.c_str());
+		}
+		else
+		{
+			core::stringw str((int)idx32[i]);
+			Writer->writeText(str.c_str());
+		}
 
 		if (i % maxIndicesPerLine != maxIndicesPerLine)
 		{