public void Add(TextureRegion region, Color color, float x, float y, float width, float height, float rotation)
{
SpriteInfo sprite = new SpriteInfo(region, color, x, y, width, height, rotation, count);
if (!sprites.ContainsKey(region.texture))
{
sprites[region.texture] = new List <SpriteInfo>();
}
sprites[region.texture].Add(sprite);
count++;
}
public void Add(TextureRegion region, Color color, float x, float y, float z, float width, float height, float rotation_x, float rotation_y, float rotation_z)
{
SpriteInfo sprite = new SpriteInfo(region, color, x, y, z, width, height, rotation_x, rotation_y, rotation_z, count);
if (!sprites.ContainsKey(region.texture))
sprites[region.texture] = new List<SpriteInfo>();
sprites[region.texture].Add(sprite);
count++;
}
public void End()
{
if (!has_begun)
{
throw new InvalidOperationException("Begin must be called before End can be called.");
}
if (primitivebatch == null || material == null)
{
Warm(device);
}
material.Parameters["TextureEnabled"].SetValue(true);
material.Parameters["World"].SetValue(Matrix.Identity);
if (is_ortho)
{
material.Parameters["View"].SetValue(view);
material.Parameters["Projection"].SetValue(proj);
}
else
{
material.Parameters["View"].SetValue(camera.view);
material.Parameters["Projection"].SetValue(camera.projection);
}
Matrix matrix;
float a, b, c, d, e, f;
foreach (Texture2D texture in sprites.Keys)
{
List <SpriteInfo> list = sprites[texture];
if (list.Count <= 0)
{
continue;
}
material.Parameters["Texture"].SetValue(texture);
material.CurrentTechnique.Passes[0].Apply();
primitivebatch.Begin(Primitive.Quad);
float texture_pixel_width = 1.0f / texture.Width;
float texture_pixel_height = 1.0f / texture.Height;
for (int i = 0; i < list.Count; i++)
{
SpriteInfo sprite = list[i];
TextureRegion region = sprite.region;
float index = 0;
if (is_ortho)
{
index = 1 - (((float)(sprite.index)) / count);
index *= -0.09f;
}
matrix = Matrix.Identity;
if (sprite.rotation_z != 0 || sprite.rotation_x != 0 || sprite.rotation_y != 0)
{
a = (float)Math.Cos(sprite.rotation_x);
b = (float)Math.Sin(sprite.rotation_x);
c = (float)Math.Cos(sprite.rotation_y);
d = (float)Math.Sin(sprite.rotation_y);
e = (float)Math.Cos(sprite.rotation_z);
f = (float)Math.Sin(sprite.rotation_z);
matrix.M11 = (c * e);
matrix.M12 = (c * f);
matrix.M13 = -d;
matrix.M21 = (e * b * d - a * f);
matrix.M22 = ((e * a) + (f * b * d));
matrix.M23 = (b * c);
matrix.M31 = (e * a * d + b * f);
matrix.M33 = (a * c);
matrix.M32 = -(b * e - f * a * d);
}
matrix.M41 = sprite.x;
matrix.M42 = sprite.y;
matrix.M43 = sprite.z + index;
primitivebatch.SetTransform(ref matrix);
primitivebatch.SetColor(sprite.color);
primitivebatch.SetTextureCoords(region.u * texture_pixel_width, region.v * texture_pixel_height);
if (is_ortho) //in ortho the view is upside down
{
primitivebatch.AddVertex(0, 0, 0, 0, 0);
primitivebatch.AddVertex(0, 0 + sprite.height, 0, 0, 0 + region.height * texture_pixel_height);
primitivebatch.AddVertex(0 + sprite.width, 0 + sprite.height, 0, 0 + region.width * texture_pixel_width, 0 + region.height * texture_pixel_height);
primitivebatch.AddVertex(0 + sprite.width, 0, 0, 0 + region.width * texture_pixel_width, 0);
}
else
{
primitivebatch.AddVertex(0, 0 + sprite.height, 0, 0, 0);
primitivebatch.AddVertex(0, 0, 0, 0, 0 + region.height * texture_pixel_height);
primitivebatch.AddVertex(0 + sprite.width, 0, 0, 0 + region.width * texture_pixel_width, 0 + region.height * texture_pixel_height);
primitivebatch.AddVertex(0 + sprite.width, 0 + sprite.height, 0, 0 + region.width * texture_pixel_width, 0);
}
}
primitivebatch.End();
list.Clear();
}
has_begun = false;
}