private void init(IShader shader, ITexture2D texture, Stream stream, string metricsFileName, Loader.LoadedCallbackMethod loadedCallback)
{
try
{
// load characters
var metrics = new FontMetrics();
metrics.Load(stream);
Characters = new Character[metrics.Characters.Length];
for (int i = 0; i != metrics.Characters.Length; ++i)
{
var character = metrics.Characters[i];
Characters[i] = new Character(character.Key, new Vector2(character.X, character.Y), new Vector2(character.Width, character.Height));
}
// get shader variables
this.texture = texture;
this.shader = shader;
shaderCamera = shader.Variable("Camera");
shaderPosition = shader.Variable("Position");
shaderSize = shader.Variable("Size");
shaderPositionUV = shader.Variable("PositionUV");
shaderSizeUV = shader.Variable("SizeUV");
texelOffset = shader.Variable("TexelOffset");
shaderColor = shader.Variable("Color");
shaderTexture = shader.Resource("DiffuseTexture");
// create buffers
var layoutDesc = BufferLayoutDescAPI.New(BufferLayoutTypes.Position2);
layout = BufferLayoutAPI.New(this, shader, layoutDesc);
var Indices = new int[6]
{
0, 1, 2,
0, 2, 3
};
var Vertices = new float[8]
{
0, 0,
0, 1,
1, 1,
1, 0,
};
vertexBuffer = VertexBufferAPI.New(this, layoutDesc, BufferUsages.Default, VertexBufferTopologys.Triangle, Vertices, Indices);
}
catch (Exception e)
{
FailedToLoad = true;
Loader.AddLoadableException(e);
Dispose();
if (loadedCallback != null)
{
loadedCallback(this, false);
}
}
Loaded = true;
if (loadedCallback != null)
{
loadedCallback(this, true);
}
}
public Mesh(BinaryReader reader, Model model, int classicInstanceCount)
: base(model)
{
try
{
Name = reader.ReadString();
// material
int materialIndex = reader.ReadInt32();
if (materialIndex != -1)
{
Material = model.Materials[materialIndex];
}
// elements
int elementCount = reader.ReadInt32();
var elements = new List <BufferLayoutElement>();
for (int i = 0; i != elementCount; ++i)
{
elements.Add(new BufferLayoutElement((BufferLayoutElementTypes)reader.ReadInt32(), (BufferLayoutElementUsages)reader.ReadInt32(), reader.ReadInt32(), reader.ReadInt32(), reader.ReadInt32()));
}
LayoutDesc = BufferLayoutDescAPI.New(elements);
// vertices
int vertexFloatCount = reader.ReadInt32();
var vertices = new float[vertexFloatCount];
for (int i = 0; i != vertexFloatCount; ++i)
{
vertices[i] = reader.ReadSingle();
}
VertexBuffer = VertexBufferAPI.New(this, LayoutDesc, BufferUsages.Default, VertexBufferTopologys.Triangle, vertices);
// indices
int indexCount = reader.ReadInt32();
var indices = new int[indexCount];
for (int i = 0; i != indexCount; ++i)
{
indices[i] = reader.ReadInt32();
}
IndexBuffer = IndexBufferAPI.New(this, BufferUsages.Default, indices);
// create instancing buffers
ClassicInstanceCount = classicInstanceCount;
if (classicInstanceCount > 0)
{
var intancingElements = new List <BufferLayoutElement>();
foreach (var element in elements)
{
intancingElements.Add(element);
}
intancingElements.Add(new BufferLayoutElement(BufferLayoutElementTypes.Float, BufferLayoutElementUsages.IndexClassic, 0, 0, LayoutDesc.FloatCount));
InstancingLayoutDesc = BufferLayoutDescAPI.New(intancingElements);
int instanceVertexFloatCount = (vertexFloatCount * classicInstanceCount) + (VertexBuffer.VertexCount * classicInstanceCount);
var instancingVertices = new float[instanceVertexFloatCount];
int vi = 0;
for (int i = 0; i != classicInstanceCount; ++i)
{
int vOffset = 0;
for (int i2 = 0; i2 != VertexBuffer.VertexCount; ++i2)
{
for (int i3 = 0; i3 != VertexBuffer.VertexFloatArraySize; ++i3)
{
instancingVertices[vi] = vertices[vOffset];
++vi;
++vOffset;
}
instancingVertices[vi] = i;
++vi;
}
}
InstancingVertexBuffer = VertexBufferAPI.New(this, InstancingLayoutDesc, BufferUsages.Default, VertexBuffer.Topology, instancingVertices);
int instanceIndexCount = (indexCount * classicInstanceCount);
var instancingIndices = new int[instanceIndexCount];
int ii = 0, iOffset = 0;
for (int i = 0; i != classicInstanceCount; ++i)
{
for (int i2 = 0; i2 != indexCount; ++i2)
{
instancingIndices[ii] = indices[i2] + iOffset;
++ii;
}
iOffset += VertexBuffer.VertexCount;
}
InstancingIndexBuffer = IndexBufferAPI.New(this, BufferUsages.Default, instancingIndices);
}
}
catch (Exception e)
{
Dispose();
throw e;
}
}