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Inspector tests

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max
2024-11-02 21:59:35 +01:00
parent 57b42d8daa
commit 87ee6df46f
4 changed files with 137 additions and 12 deletions
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37
Nerfed.Editor/Systems/EditorInspectorWindow.cs
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@@ -1,6 +1,8 @@
using System.Numerics;
using ImGuiNET;
using MoonTools.ECS;
using Nerfed.Editor.Components;
using Nerfed.Runtime.Serialization;
#if DEBUG
namespace Nerfed.Editor.Systems
@@ -29,19 +31,40 @@ namespace Nerfed.Editor.Systems
private void DrawEntityComponents(Entity entity)
{
World.ComponentTypeEnumerator components = World.Debug_GetAllComponentTypes(entity);
foreach (Type type in components)
World.ComponentTypeEnumerator componentTypes = World.Debug_GetAllComponentTypes(entity);
ImGui.Text("ComponentInspectorByType");
foreach (Type componentType in componentTypes)
{
ImGui.Text(type.Name);
if (ComponentHelper.ComponentInspectorByType.TryGetValue(componentType, out Action<World, Entity> componentInspector))
{
componentInspector(World, entity);
}
else
{
ImGui.Text(componentType.Name);
}
ImGui.Separator();
}
ImGui.Dummy(new Vector2(16, 16));
ImGui.Text("GetComponentByType");
foreach (Type componentType in componentTypes)
{
if (!ComponentHelper.GetComponentByType.TryGetValue(componentType, out Func<World, Entity, ValueType> componentGetter)) continue;
ValueType component = componentGetter.Invoke(World, entity);
ImGui.Text(component.ToString());
ImGui.Separator();
}
ImGui.Dummy(new Vector2(16, 16));
ImGui.Separator();
ImGui.Text("Reflection");
// TODO: explore something without reflection.
// Maybe generate some look up dictionary<type, Action<world, entity>> for 'custom editors'.
// Look into serializing of entities and components.
foreach (Type component in components)
foreach (Type component in componentTypes)
{
System.Reflection.MethodInfo getMethodInfo = typeof(World).GetMethod("Get");
System.Reflection.MethodInfo getComponentMethod = getMethodInfo.MakeGenericMethod(component);

4
Nerfed.Runtime/Components/LocalTransform.cs
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@@ -4,10 +4,6 @@ namespace Nerfed.Runtime.Components
{
public readonly record struct LocalTransform(Vector3 position, Quaternion rotation, Vector3 scale)
{
public readonly Vector3 position = position;
public readonly Quaternion rotation = rotation;
public readonly Vector3 scale = scale;
public static readonly LocalTransform Identity = new(Vector3.Zero, Quaternion.Identity, Vector3.One);
}
}

57
Nerfed.Runtime/Serialization/ComponentHelper.cs Normal file
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@@ -0,0 +1,57 @@
using System.Numerics;
using ImGuiNET;
using MoonTools.ECS;
using Nerfed.Runtime.Components;
namespace Nerfed.Runtime.Serialization;
public static class ComponentHelper
{
public static readonly Dictionary<Type, Func<World, Entity, ValueType>> GetComponentByType = new()
{
{ typeof(LocalTransform), (world, entity) => world.Get<LocalTransform>(entity) },
{ typeof(Root), (world, entity) => world.Get<Root>(entity) },
};
public static readonly Dictionary<Type, Action<World, Entity, ValueType>> SetComponentByType = new()
{
{ typeof(LocalTransform), (world, entity, component) => world.Set(entity, (LocalTransform)component) },
{ typeof(Root), (world, entity, component) => world.Set(entity, (Root)component) },
};
public static readonly Dictionary<Type, Action<World, Entity>> ComponentInspectorByType = new()
{
{
typeof(LocalTransform), (world, entity) =>
{
(Vector3 position, Quaternion rotation, Vector3 scale) = world.Get<LocalTransform>(entity);
Vector3 eulerAngles = MathEx.ToEulerAngles(rotation);
eulerAngles = new Vector3(float.RadiansToDegrees(eulerAngles.X), float.RadiansToDegrees(eulerAngles.Y), float.RadiansToDegrees(eulerAngles.Z));
bool isDirty = false;
ImGui.BeginGroup();
ImGui.Text($"{nameof(LocalTransform)}");
isDirty |= ImGui.DragFloat3("Position", ref position, 0.2f, float.MinValue, float.MaxValue, "%f0 m"); // TODO: right format.
isDirty |= ImGui.DragFloat3("Rotation", ref eulerAngles);
isDirty |= ImGui.DragFloat3("Scale", ref scale);
ImGui.EndGroup();
if (!isDirty)
{
return;
}
eulerAngles = new Vector3(float.DegreesToRadians(eulerAngles.X), float.DegreesToRadians(eulerAngles.Y), float.DegreesToRadians(eulerAngles.Z));
world.Set(entity, new LocalTransform(position, MathEx.ToQuaternion(eulerAngles), scale));
}
},
{
typeof(Root), (world, entity) =>
{
ImGui.BeginGroup();
ImGui.Text($"{nameof(Root)}");
ImGui.EndGroup();
}
},
};
}

51
Nerfed.Runtime/Util/MathEx.cs
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@@ -1,3 +1,5 @@
using System.Numerics;
namespace Nerfed.Runtime;
public static class MathEx
@@ -17,4 +19,51 @@ public static class MathEx
public static float Remap(float value, float oldMin, float oldMax, float newMin, float newMax) {
return (value - oldMin) / (oldMax - oldMin) * (newMax - newMin) + newMin;
}
}
// https://stackoverflow.com/questions/70462758/c-sharp-how-to-convert-quaternions-to-euler-angles-xyz
public static Quaternion ToQuaternion(Vector3 v)
{
float cy = (float)Math.Cos(v.Z * 0.5);
float sy = (float)Math.Sin(v.Z * 0.5);
float cp = (float)Math.Cos(v.Y * 0.5);
float sp = (float)Math.Sin(v.Y * 0.5);
float cr = (float)Math.Cos(v.X * 0.5);
float sr = (float)Math.Sin(v.X * 0.5);
return new Quaternion
{
W = (cr * cp * cy + sr * sp * sy),
X = (sr * cp * cy - cr * sp * sy),
Y = (cr * sp * cy + sr * cp * sy),
Z = (cr * cp * sy - sr * sp * cy),
};
}
public static Vector3 ToEulerAngles(Quaternion q)
{
Vector3 angles = new();
// roll / x
double sinrCosp = 2 * (q.W * q.X + q.Y * q.Z);
double cosrCosp = 1 - 2 * (q.X * q.X + q.Y * q.Y);
angles.X = (float)Math.Atan2(sinrCosp, cosrCosp);
// pitch / y
double sinp = 2 * (q.W * q.Y - q.Z * q.X);
if (Math.Abs(sinp) >= 1)
{
angles.Y = (float)Math.CopySign(Math.PI / 2, sinp);
}
else
{
angles.Y = (float)Math.Asin(sinp);
}
// yaw / z
double sinyCosp = 2 * (q.W * q.Z + q.X * q.Y);
double cosyCosp = 1 - 2 * (q.Y * q.Y + q.Z * q.Z);
angles.Z = (float)Math.Atan2(sinyCosp, cosyCosp);
return angles;
}
}