Littles fixes

-Light Manager: I prefer iterators
-OpenGL: The UV problem is solved, but you forget to change the cubemaps
-Texture: GetSize() could return a int instead a NzVector2ui
-Algorithm: Simplification
-Utility: Couldn't compile

Former-commit-id: db890711b451d03427871fb997549a1b13c7d80a

src/Nazara/Utility/Algorithm.cpp

@@ -189,11 +189,9 @@ namespace
 		void MoveTriangleToEnd(int tri)
 		{
 			auto it = std::find(tri_indices.begin(), tri_indices.end(), tri);
-			int t_ind = (it != tri_indices.end()) ? std::distance(tri_indices.begin(), it) : -1;
+			NazaraAssert(it != tri_indices.end(), "Triangle not found");
 
-			NazaraAssert(t_ind >= 0, "Triangle not found");
-
-			tri_indices.erase(tri_indices.begin() + t_ind, tri_indices.begin() + t_ind + 1);
+			tri_indices.erase(it);
 			tri_indices.push_back(tri);
 		}
 	};

src/Nazara/Utility/Utility.cpp

@@ -146,7 +146,7 @@ unsigned int NzUtility::ComponentCount[nzComponentType_Max+1] =
 
 static_assert(nzComponentType_Max+1 == 14, "Component count array is incomplete");
 
-unsigned int NzUtility::ComponentStride[nzComponentType_Max+1] =
+std::size_t NzUtility::ComponentStride[nzComponentType_Max+1] =
 {
 	4*sizeof(nzUInt8),  // nzComponentType_Color
 	1*sizeof(double),   // nzComponentType_Double1