vertexuvmodifier.cpp

// © Copyright 2010 - 2016 BlackTopp Studios Inc.
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/*
 -----------------------------------------------------------------------------
 This source file is part of ogre-procedural

 For the latest info, see http://code.google.com/p/ogre-procedural/

 Copyright (c) 2010-2013 Michael Broutin

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
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 */
#ifndef _graphicsproceduralvertrxuvmodifier_cpp
#define _graphicsproceduralvertexuvmodifier_cpp

#include "Graphics/Procedural/Mesh/vertexuvmodifier.h"

namespace Mezzanine
{
    namespace Graphics
    {
        namespace Procedural
        {
            VertexUVModifier::VertexUVModifier() :
                UVTile(1.0,1.0),
                UVTranslate(0.0,0.0),
                SwitchUV(false)
                {  }

            VertexUVModifier::~VertexUVModifier()
                {  }

            ///////////////////////////////////////////////////////////////////////////////
            // Utility

            void VertexUVModifier::Modify(TriangleBuffer& Buffer)
            {
                VertexContainer& Vertices = Buffer.GetVertices();
                for( VertexIterator VertIt = Vertices.begin() ; VertIt != Vertices.end() ; ++VertIt )
                {
                    VertIt->UV = this->UVTranslate + this->UVTile * VertIt->UV;
                }
                if( this->SwitchUV ) {
                    for( VertexIterator VertIt = Vertices.begin() ; VertIt != Vertices.end() ; ++VertIt )
                    {
                        std::swap( VertIt->UV.X, VertIt->UV.Y );
                    }
                }
            }

            String VertexUVModifier::GetName() const
                { return "VertexUVModifier"; }

            ///////////////////////////////////////////////////////////////////////////////
            // Configuration

            VertexUVModifier& VertexUVModifier::SetUVTile(const Vector2& Tile)
            {
                this->UVTile = Tile;
                return *this;
            }

            VertexUVModifier& VertexUVModifier::SetUVTile(const Real X, const Real Y)
            {
                this->UVTile.SetValues(X,Y);
                return *this;
            }

            VertexUVModifier& VertexUVModifier::SetUVTranslate(const Vector2& Trans)
            {
                this->UVTranslate = Trans;
                return *this;
            }

            VertexUVModifier& VertexUVModifier::SetUVTranslate(const Real X, const Real Y)
            {
                this->UVTranslate.SetValues(X,Y);
                return *this;
            }

            VertexUVModifier& VertexUVModifier::SetSwitchUV(const Boole Switch)
            {
                this->SwitchUV = Switch;
                return *this;
            }
        }//Procedural
    }//Graphics
}//Mezzanine

#endif