public void ApplyParams(MaterialParams p, Transform world)
{
BindAll(BuiltInParams.World, world);
foreach (var x in p.Params)
{
string name = x.Key;
var param = x.Value;
switch (param.Type)
{
case GLType.Int: BindAll(name, param.Get <int>()); break;
case GLType.Float: BindAll(name, param.Get <float>()); break;
case GLType.FloatMat4: BindAll(name, param.Get <Matrix4x4>()); break;
case GLType.FloatVec2: BindAll(name, param.Get <Vector2>()); break;
case GLType.FloatVec3: BindAll(name, param.Get <Vector3>()); break;
case GLType.FloatVec4: BindAll(name, param.Get <Vector4>()); break;
case GLType.Sampler2D:
if (!m_textureIDs.TryGetValue(name, out uint unit))
{
// TODO(local): error!!!
break;
}
param.Get <Texture>().Bind(unit);
BindAll(name, (int)unit);
break;
}
}
}
public void Bind(RenderState state, MaterialParams p)
{
BindAll(BuiltInParams.Projection, state.ProjectionMatrix);
BindAll(BuiltInParams.Camera, state.CameraMatrix);
ApplyParams(p, state.WorldTransform);
BindToContext();
}
public MaterialParams Copy()
{
var result = new MaterialParams();
foreach (var entry in Params)
{
result.Params[entry.Key] = entry.Value.Copy();
}
return(result);
}
public virtual void Draw(Transform world, Mesh mesh, Material mat, MaterialParams p)
{
var sdc = new SimpleDrawCall()
{
Mesh = mesh,
Material = mat,
Params = p,
WorldTransform = world,
Scissor = Rect.EmptyScissor,
};
m_orderedCommands.Add(sdc);
}
internal RenderBatcher2D(RenderBatch2D parent, int vertexCount = 0)
{
if (vertexCount < 0 || vertexCount > MaxVertexCount)
{
throw new ArgumentOutOfRangeException($"{nameof(vertexCount)} must be in the range [0,{MaxVertexCount})");
}
if (vertexCount == 0)
{
vertexCount = MaxVertexCount;
}
m_batch = parent;
m_mesh = new Mesh();
m_material = parent.Resources.AquireMaterial("materials/renderBatch2D");
m_params = new MaterialParams();
m_indices = new ushort[vertexCount];
m_vertices = new VertexRB2D[vertexCount];
}
internal void Begin()
{
m_vertexCount = 0;
m_indexCount = 0;
m_world = Transform.Identity;
m_projection = (Transform)Matrix4x4.CreateOrthographicOffCenter(0, Window.Width, Window.Height, 0, -10, 10);
m_camera = Transform.Identity;
m_texture = null;
m_fillKind = SolidFillKind;
m_vertexColor = Vector4.One;
m_transform = Transform.Identity;
m_scissor = null;
m_transformations.Clear();
m_savedTransformIndices.Clear();
m_savedScissors.Clear();
m_params = new MaterialParams();
}