private bool CreateInt(string label, ref int v, MinMaxDescription minMax)
{
switch (minMax.Type)
{
case MinMaxDescriptionType.ZeroToOne:
return(ImGui.SliderInt(label, ref v, 0, 1));
case MinMaxDescriptionType.MinusOneToOne:
return(ImGui.SliderInt(label, ref v, -1, 1));
case MinMaxDescriptionType.ZeroToInfinity:
return(ImGui.DragInt(label, ref v, this.DragSpeed, 0));
case MinMaxDescriptionType.Custom:
if ((minMax.Max - minMax.Min) < SliderDragThreshold)
{
return(ImGui.SliderInt(label, ref v, (int)Math.Round(minMax.Min), (int)Math.Round(minMax.Max)));
}
return(ImGui.DragInt(label, ref v, this.DragSpeed, (int)Math.Round(minMax.Min), (int)Math.Round(minMax.Max)));
default:
case MinMaxDescriptionType.MinusInfinityToInfinity:
return(ImGui.DragInt(label, ref v, this.DragSpeed));
}
}
private bool CreateFloat(string label, ref float v, MinMaxDescription minMax)
{
switch (minMax.Type)
{
case MinMaxDescriptionType.ZeroToOne:
return(ImGui.SliderFloat(label, ref v, 0, 1));
case MinMaxDescriptionType.MinusOneToOne:
return(ImGui.SliderFloat(label, ref v, -1, 1));
case MinMaxDescriptionType.ZeroToInfinity:
return(ImGui.DragFloat(label, ref v, this.DragSpeed, 0, float.MaxValue));
case MinMaxDescriptionType.Custom:
if ((minMax.Max - minMax.Min) < SliderDragThreshold)
{
return(ImGui.SliderFloat(label, ref v, minMax.Min, minMax.Max));
}
return(ImGui.DragFloat(label, ref v, this.DragSpeed, minMax.Min, minMax.Max));
default:
case MinMaxDescriptionType.MinusInfinityToInfinity:
return(ImGui.DragFloat(label, ref v, this.DragSpeed));
}
}
public void Create(string label, object value, MinMaxDescription minMax, Action <object> setter, int index = 0)
{
if (setter == null)
{
switch (value)
{
case Texture2D texture:
ImGui.Text(label);
var id = this.GuiRenderer.BindTexture(texture, index);
var scale = Math.Min(1.0f, 256.0f / texture.Width);
ImGui.Text($"Bounds: {texture.Bounds}");
ImGui.Text($"Format: {texture.Format}");
ImGui.Text($"Levels: {texture.LevelCount}");
ImGui.Image(id, new Num.Vector2(scale * texture.Width, scale * texture.Height));
break;
default:
ImGui.Text($"{label}: {value.ToString()}");
break;
}
return;
}
switch (value)
{
case Vector3 vector:
var v = ToNum(vector);
if (this.CreateVector3(label, ref v, minMax))
{
setter(ToXna(v));
}
break;
case Pose pose:
{
ImGui.Text(label);
var yaw = pose.Yaw;
var pitch = pose.Pitch;
var roll = pose.Roll;
var translation = ToNum(pose.Translation);
var scale = ToNum(pose.Scale);
var set = false;
set |= this.CreateVector3("Translation", ref translation, MinMaxDescription.MinusInfinityToInfinity);
set |= this.CreateVector3("Scale", ref scale, MinMaxDescription.ZeroToInfinity);
set |= this.CreateFloat("Yaw", ref yaw, MinMaxDescription.MinusPiToPi);
set |= this.CreateFloat("Pitch", ref pitch, MinMaxDescription.MinusPiToPi);
set |= this.CreateFloat("Roll", ref roll, MinMaxDescription.MinusPiToPi);
if (set)
{
setter(new Pose(ToXna(translation), ToXna(scale), yaw, pitch, roll));
}
}
break;
case PerspectiveCamera camera:
{
ImGui.Text(label);
var position = ToNum(camera.Position);
var lookAt = ToNum(camera.LookAt);
var fov = camera.FieldOfView;
var set = false;
set |= this.CreateVector3("Position", ref position, MinMaxDescription.MinusInfinityToInfinity);
set |= this.CreateVector3("LookAt", ref lookAt, MinMaxDescription.MinusInfinityToInfinity);
set |= this.CreateFloat("FieldOfView", ref fov, new MinMaxDescription(0, MathHelper.Pi));
if (set)
{
camera.Move(ToXna(position), ToXna(lookAt));
camera.SetFieldOfView(fov);
}
}
break;
case Color color:
// TODO: colors are pre-multiplied, handle that better
var c = ToNum(color.ToVector4());
if (ImGui.ColorEdit4(label, ref c, ImGuiColorEditFlags.AlphaBar))
{
setter(new Color(ToXna(c)));
}
break;
case Seconds s:
var fs = s.Value;
if (this.CreateFloat(label, ref fs, minMax))
{
setter(new Seconds(fs));
}
break;
case Meters m:
var fm = m.Value;
if (this.CreateFloat(label, ref fm, minMax))
{
setter(new Meters(fm));
}
break;
case float f:
if (this.CreateFloat(label, ref f, minMax))
{
setter(f);
}
break;
case float[] floats:
for (var i = 0; i < floats.Length; i++)
{
var fv = floats[i];
if (this.CreateFloat($"{label}:{i}", ref fv, minMax))
{
floats[i] = fv;
setter(floats);
}
}
break;
case int i:
if (this.CreateInt(label, ref i, minMax))
{
setter(i);
}
break;
case bool b:
if (ImGui.Checkbox(label, ref b))
{
setter(b);
}
break;
case Enum e:
var items = Enum.GetNames(e.GetType()).ToList();
var ei = items.IndexOf(Enum.GetName(e.GetType(), e));
if (ImGui.Combo(label, ref ei, items.ToArray(), items.Count))
{
setter(Enum.Parse(e.GetType(), items[ei]));
}
break;
default:
ImGui.Text($"{label}: {value.ToString()}*");
return;
}
}
