easymesh : Tweak previous crashfix.

src/easymesh/easymesh.cpp

@@ -371,10 +371,7 @@ EasyMesh::EasyMesh()
 bool EasyMesh::Compile(char const *command)
 {
     EasyMeshCompiler mc(*this);
-    bool res = mc.ParseString(command);
-    delete(m_build_data);
-    m_build_data = NULL;
-    return res;
+    return mc.ParseString(command);
 }
 
 //-----------------------------------------------------------------------------
@@ -391,6 +388,9 @@ void EasyMesh::CloseBrace()
 //-----------------------------------------------------------------------------
 void EasyMesh::MeshConvert(GpuShaderData* new_gpu_sdata)
 {
+    delete(m_build_data);
+    m_build_data = NULL;
+
     if (new_gpu_sdata)
     {
         m_gpu_data.AddGpuData(new_gpu_sdata, this);

src/easymesh/easymesh.h

@@ -21,6 +21,22 @@
 namespace lol
 {
 
+//Utility enum for renderers
+struct MeshRender
+{
+    enum Value
+    {
+        NeedInit,
+        CanRender,
+        IgnoreRender
+    }
+    m_value;
+
+    inline MeshRender(Value v) : m_value(v) {}
+    inline MeshRender() : m_value(NeedInit) {}
+    inline operator Value() { return m_value; }
+};
+
 //Vertex datas for easymesh vertex list.
 //TODO : <COORD, NORM, COLOR, UV>
 struct VertexData