Vertex declaration changes (#135)

* Add type to ComponentType conversion

* Change type to ComponentType conversion

* Change assert to condition, add check on particle mapper.

* Change particle life type

* Changes as requested

* Fix Travis try 1

* Changes as requested

* move IsSuitableForComponent to inl

src/Nazara/Utility/Mesh.cpp

@@ -1,4 +1,4 @@
-// Copyright (C) 2017 Jérôme Leclercq
+// Copyright (C) 2017 Jérôme Leclercq
 // This file is part of the "Nazara Engine - Utility module"
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
@@ -41,6 +41,12 @@ namespace Nz
 			return false;
 		}
 
+		if (vertexDeclaration == nullptr)
+		{
+			NazaraError("The vertex declaration can't be null");
+			return false;
+		}
+
 		return true;
 	}
 
@@ -101,6 +107,7 @@ namespace Nz
 		NazaraAssert(m_impl, "Mesh should be created first");
 		NazaraAssert(m_impl->animationType == AnimationType_Static, "Submesh building only works for static meshes");
 		NazaraAssert(params.IsValid(), "Invalid parameters");
+		NazaraAssert(params.vertexDeclaration->HasComponentOfType<Vector3f>(VertexComponent_Position), "The vertex declaration doesn't have a Vector3 position component");
 
 		Boxf aabb;
 		IndexBufferRef indexBuffer;
@@ -109,7 +116,7 @@ namespace Nz
 		Matrix4f matrix(primitive.matrix);
 		matrix *= params.matrix;
 
-		VertexDeclaration* declaration = VertexDeclaration::Get(VertexLayout_XYZ_Normal_UV_Tangent);
+		VertexDeclaration* declaration = params.vertexDeclaration;
 
 		switch (primitive.type)
 		{