/**
* Load water textures.
*/
protected void setupTextures() {
textureReflect = new Texture2D();
textureReflect.setWrap(Texture.WrapMode.EdgeClamp);
textureReflect.setMagnificationFilter(Texture.MagnificationFilter.Bilinear);
Matrix4 matrix = new Matrix4();
matrix.setM00(-1.0);
matrix.setM30(1.0);
textureReflect.setTextureMatrix(matrix);
tRenderer.setupTexture(textureReflect);
normalmapTexture = TextureManager.load(normalMapTextureString, Texture.MinificationFilter.Trilinear,
TextureStoreFormat.GuessCompressedFormat, true);
textureState.setTexture(normalmapTexture, 0);
normalmapTexture.setWrap(Texture.WrapMode.Repeat);
textureReflectBlur = new Texture2D();
textureReflectBlur.setWrap(Texture.WrapMode.EdgeClamp);
textureReflectBlur.setMagnificationFilter(Texture.MagnificationFilter.Bilinear);
textureReflectBlur.setTextureMatrix(matrix);
tRenderer.setupTexture(textureReflectBlur);
textureState.setTexture(textureReflectBlur, 1);
dudvTexture = TextureManager.load(dudvMapTextureString, Texture.MinificationFilter.Trilinear,
TextureStoreFormat.GuessNoCompressedFormat, true);
matrix = new Matrix4();
matrix.setM00(0.8);
matrix.setM11(0.8);
dudvTexture.setTextureMatrix(matrix);
textureState.setTexture(dudvTexture, 2);
dudvTexture.setWrap(Texture.WrapMode.Repeat);
if (useRefraction) {
textureRefract = new Texture2D();
textureRefract.setWrap(Texture.WrapMode.EdgeClamp);
textureRefract.setMagnificationFilter(Texture.MagnificationFilter.Bilinear);
tRenderer.setupTexture(textureRefract);
textureDepth = new Texture2D();
textureDepth.setWrap(Texture.WrapMode.EdgeClamp);
textureDepth.setMagnificationFilter(Texture.MagnificationFilter.NearestNeighbor);
textureDepth.setTextureStoreFormat(TextureStoreFormat.Depth24);
tRenderer.setupTexture(textureDepth);