public Sprite (Stream stream, TextureSettings settings, Vector4 rect, bool relativeRect, Vector4 color, bool flipV = true) {
var tex = new Texture(stream, settings);
_material = new SpriteMaterial(new SpriteShader(), tex);
if (rect == Vector4.Zero)
rect = new Vector4(0, 0, tex.Size.Width, tex.Size.Height);
else if (relativeRect) {
rect.X *= tex.Size.Width;
rect.Y *= tex.Size.Height;
rect.Z *= tex.Size.Width;
rect.W *= tex.Size.Height;
}
_size = new Vector2(rect.Z - rect.X, rect.W - rect.Y);
_vbuffer = new VertexBuffer(VertexFormat.PositionColorUV);
_vbuffer.Data = new [] {
rect.X, rect.Y, 0f, color.X, color.Y, color.Z, color.W, 0f, flipV ? 1f : 0f,
rect.Z, rect.Y, 0f, color.X, color.Y, color.Z, color.W, 1f, flipV ? 1f : 0f,
rect.Z, rect.W, 0f, color.X, color.Y, color.Z, color.W, 1f, flipV ? 0f : 1f,
rect.X, rect.W, 0f, color.X, color.Y, color.Z, color.W, 0f, flipV ? 0f : 1f
};
_vbuffer.Commit ();
_ibuffer = new IndexBuffer();
_ibuffer.Data = new [] { 0, 1, 2, 2, 3, 0 };
_ibuffer.Commit ();
_ioffset = 0;
_icount = 6;
_ownResources = true;
}
public Mesh (string name, Material mat, VertexFormat format, float[] vertices, int[] indices, Bone[] bones) {
_name = name;
_material = mat;
_vbuffer = new VertexBuffer(format, vertices);
_ibuffer = new IndexBuffer(indices, BeginMode.Triangles);
_bones = bones;
if(_bones != null)
_boneTransforms = new Matrix4[_bones.Length];
}
public Sprite (Material material, Vector2 size, VertexBuffer vbuffer = null, IndexBuffer ibuffer = null, int ioffset = 0, int icount = 0, bool ownMaterial = false) {
_material = material;
_size = size;
_vbuffer = vbuffer;
_ibuffer = ibuffer;
_ioffset = ioffset;
_icount = icount;
_ownResources = ownMaterial;
}
public Quad (Material material, Vector4 rect, Vector4 color, bool flipV = false) {
_material = material;
_color = color;
_vbuffer = new VertexBuffer (VertexFormat.PositionColorUV);
_ibuffer = new IndexBuffer ();
if (rect == Vector4.Zero)
rect = new Vector4(-0.5f, -0.5f, 0.5f, 0.5f);
_vbuffer.Data = new [] {
rect.X, rect.Y, 0f, _color.X, _color.Y, _color.Z, _color.W, 0f, flipV ? 1f : 0f,
rect.Z, rect.Y, 0f, _color.X, _color.Y, _color.Z, _color.W, 1f, flipV ? 1f : 0f,
rect.Z, rect.W, 0f, _color.X, _color.Y, _color.Z, _color.W, 1f, flipV ? 0f : 1f,
rect.X, rect.W, 0f, _color.X, _color.Y, _color.Z, _color.W, 0f, flipV ? 0f : 1f
};
_vbuffer.Commit ();
_ibuffer.Data = new [] { 0, 1, 2, 2, 3, 0 };
_ibuffer.Commit ();
}
unsafe Mesh[] ReadMeshes (BinaryReader reader, Material[] materials) {
var meshCount = reader.ReadInt32();
var meshes = new Mesh[meshCount];
for (var i = 0; i < meshCount; i++) {
var name = reader.ReadString();
var format = GetVertexFormat((VertexFlags)reader.ReadInt32(), reader.ReadInt32());
var matIdx = reader.ReadInt32();
if (matIdx < 0 || matIdx >= materials.Length)
throw new ContentException("Invalid material index " + matIdx);
var count = reader.ReadInt32();
var vertices = new float[count];
byte[] buf = new byte[count * sizeof(float)];
reader.Read(buf, 0, buf.Length);
fixed(byte *bp = &buf[0]) {
fixed(float *fp = &vertices[0]) {
float* src = (float*)bp;
float* dst = fp;
for (var j = 0; j < count; j++) {
*(dst++) = *(src++);
}
}
}
count = reader.ReadInt32();
var indices = new int[count];
buf = new byte[count * sizeof(int)];
reader.Read(buf, 0, buf.Length);
fixed(byte *bp = &buf[0]) {
fixed(int *ip = &indices[0]) {
int* src = (int*)bp;
int* dst = ip;
for (var j = 0; j < count; j++) {
*(dst++) = *(src++);
}
}
}
count = reader.ReadInt32();
Bone[] bones = null;
if (count > 0) {
bones = new Bone[count];
for (var j = 0; j < count; j++) {
var boneName = reader.ReadString();
Matrix4 offset;
reader.ReadMatrix4(out offset);
var weightCount = reader.ReadInt32();
var weights = new VertexWeight[weightCount];
var sz = weightCount * sizeof(VertexWeight);
if (buf.Length < sz)
buf = new byte[sz];
reader.Read(buf, 0, sz);
fixed(byte *src = &buf[0]) {
var p = (VertexWeight*)src;
fixed(VertexWeight *dst = &weights[0]) {
for (var k = 0; k < weightCount; k++) {
*(dst + k) = *(p + k);
}
}
}
bones[j] = new Bone(j, boneName, ref offset, weights);
}
}
meshes[i] = new Mesh(name, materials[matIdx], format, vertices, indices, bones);
}
return meshes;
}
private SlicedSprite (Material material, Vector2 size) : base(material, size) {
_vbuffer = new VertexBuffer(VertexFormat.PositionColorUV);
_ibuffer = new IndexBuffer();
}
