// Wrap a float[] in a direct FloatBuffer using native byte order.
private static FloatBuffer directNativeFloatBuffer(float[] array)
{
FloatBuffer buffer = ByteBuffer.AllocateDirect(array.Length * 4).Order(ByteOrder.NativeOrder()).AsFloatBuffer();
buffer.Put(array);
buffer.Flip();
return(buffer);
}
public FirstTriangleScreen(IGame g) : base(g)
{
_glGraphics = ((AndroidGLGame)g).GLGraphics;
ByteBuffer bb = ByteBuffer.AllocateDirect(3 * _vertexSize);
bb.Order(ByteOrder.NativeOrder());
_vertices = bb.AsFloatBuffer();
_vertices.Put(new float[] { 0.0f, 0.0f, 539.0f, 0.0f, 270.0f, 959.0f });
_vertices.Flip();
}
public TexturedTriangleScreen(IGame g) : base(g)
{
_glGraphics = ((AndroidGLGame)g).GLGraphics;
ByteBuffer bb = ByteBuffer.AllocateDirect(_vertexSize * 3);
bb.Order(ByteOrder.NativeOrder());
_vertices = bb.AsFloatBuffer();
_vertices.Put(new float[] { 0f, 0f, 0f, 1f, 540f, 0f, 1f, 1f, 270f, 960f, 0.5f, 0f });
_vertices.Flip();
_textureId = LoadTexture("bobargb8888.png");
}
public ColoredTriangleScreen(IGame g) : base(g)
{
_glGraphics = ((AndroidGLGame)g).GLGraphics;
ByteBuffer bb = ByteBuffer.AllocateDirect(3 * _vertexSize);
bb.Order(ByteOrder.NativeOrder());
_vertices = bb.AsFloatBuffer();
_vertices.Put(new float[] { 0, 0, 1, 0, 0, 1,
540, 0, 0, 1, 0, 1,
270, 960, 0, 0, 1, 1 });
_vertices.Flip();
}
public IndexedVerticesScreen(IGame g) : base(g)
{
_glGraphics = ((AndroidGLGame)g).GLGraphics;
ByteBuffer bb = ByteBuffer.AllocateDirect(_vertexSize * 4);
bb.Order(ByteOrder.NativeOrder());
_vertices = bb.AsFloatBuffer();
_vertices.Put(new float[] { 100f, 100f, 0f, 1f, 428f, 100f, 1f, 1f, 428f, 428f, 1f, 0f, 100f, 428f, 0f, 0f });
_vertices.Flip();
bb = ByteBuffer.AllocateDirect(6 * 2);
bb.Order(ByteOrder.NativeOrder());
_indices = bb.AsShortBuffer();
_indices.Put(new short[] { 0, 1, 2, 2, 3, 0 });
_indices.Flip();
_texture = new AndroidTexture((AndroidGLGame)g, "bobrgb888.png");
}
public void SetVertices(float[] vertices, int offset, int length)
{
_vertices.Clear();
_vertices.Put(vertices, offset, length);
_vertices.Flip();
}
public bool loadingBinModel(String fileName)
{
float[] floatArray;
long size;
try
{
// Vertex
vertexBuffer = null;
System.GC.Collect();
int resourceId = context.Resources.GetIdentifier(fileName + "_vert", "raw", context.PackageName);
Stream fileIn = context.Resources.OpenRawResource(resourceId) as Stream;
MemoryStream m = new MemoryStream();
fileIn.CopyTo(m);
size = m.Length;
floatArray = new float[size / 4];
System.Buffer.BlockCopy(m.ToArray(), 0, floatArray, 0, (int)size);
vertexBuffer = FloatBuffer.Allocate((int)size / 4); // float array to
vertexBuffer.Put(floatArray, 0, (int)size / 4);
vertexBuffer.Flip();
VBOManager.setSize(fileName, vertexBuffer.Capacity() / 4); //is size of vertex count = 1 vertex 4 float x,y,z, 1
floatArray = null;
fileIn.Close();
m.Close();
//----------------------------------------------------------------------------------------------------
normalBuffer = null;
System.GC.Collect();
resourceId = context.Resources.GetIdentifier(fileName + "_norm", "raw", context.PackageName);
fileIn = context.Resources.OpenRawResource(resourceId) as Stream;
m = new MemoryStream();
fileIn.CopyTo(m);
size = m.Length;
floatArray = new float[size / 4];
System.Buffer.BlockCopy(m.ToArray(), 0, floatArray, 0, (int)size);
normalBuffer = FloatBuffer.Allocate((int)size / 4); // float array to
normalBuffer.Put(floatArray, 0, (int)size / 4);
normalBuffer.Flip();
floatArray = null;
fileIn.Close();
m.Close();
//----------------------------------------------------------------------------------------------------
textureBuffer = null;
System.GC.Collect();
resourceId = context.Resources.GetIdentifier(fileName + "_texture", "raw", context.PackageName);
fileIn = context.Resources.OpenRawResource(resourceId) as Stream;
m = new MemoryStream();
fileIn.CopyTo(m);
size = m.Length;
floatArray = new float[size / 4];
System.Buffer.BlockCopy(m.ToArray(), 0, floatArray, 0, (int)size);
textureBuffer = FloatBuffer.Allocate((int)size / 4); // float array to
textureBuffer.Put(floatArray, 0, (int)size / 4);
textureBuffer.Flip();
floatArray = null;
fileIn.Close();
m.Close();
return(true);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return(false);
}
}
