using System.Numerics;

using ImGuiNET;
using SharpPluginLoader.Core;
using SharpPluginLoader.Core.Memory;
using SharpPluginLoader.Core.Entities;

namespace WorldTuningTool
{
    using static Plugin;

    public class Lights
    {
        public Lights() { }

        private class uLight
        {
            public nint Object = 0x0;
            public virtual int Type => -1;
            public virtual string Name => $"uLight";
            public virtual string Info => $"0x{Object:X}";
            public List<Parameter> Parameters = new List<Parameter>();

            public void UpdateParams()
            {
                Assert(Object != 0x0);
                foreach (Parameter param in Parameters)
                {
                    param.Update(Object);
                }
            }

            public uLight(nint lightObject)
            {
                Object = lightObject;
                Parameters.AddRange(new Parameter[]{
                    M<int>("Group", 0x13C, ParameterType.INT, 0x7, pMinMaxStep(0, 7, 1)), // 1 = World, (1 << 1) = Player/Palico, (1 << 2) = NPCs
                    M<int>("Priority", 0x138, ParameterType.INT, (0xFF << 6), pMinMaxStep(0, 255, 1)),
                    P<int>("Color", 0x140, ParameterType.COLOR),
                    P<float>("Intensity", 0x144, ParameterType.FLOAT),
                    P<float>("Min Roughness", 0x58C, ParameterType.FLOAT, pStep(0.001f)),
                    M<bool>("Disp", 0x138, ParameterType.FLAG, (1 << 24)),
                    M<bool>("Primary", 0x138, ParameterType.FLAG, (1 << 26)),
                    M<bool>("Shadow Cast", 0x138, ParameterType.FLAG, (1 << 23)),
                    M<int>("Shadow Priority", 0x138, ParameterType.INT, (0xFF << 14), pMinMaxStep(0, 255, 1)),
                    P<int>("Shadow Map Size", 0x1B8, ParameterType.ALIGNED_INT, pMinStep(0, 128)), // Result of mShadowMapSize.
                    P<float>("Near Clip Distance", 0x1B4, ParameterType.FLOAT),
                    P<float>("Shadow Depth Bias", 0x57C, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Shadow Sloped Depth Bias", 0x580, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Shadow Max Depth Bias", 0x584, ParameterType.FLOAT, pStep(0.00001f)),
                    P<bool>("Use Umbra", 0x591, ParameterType.BOOL),
                    P<bool>("Enable Camera Lod", 0x592, ParameterType.BOOL),
                    P<bool>("Do Volumetric", 0x590, ParameterType.BOOL)
                });
                UpdateParams();
            }
        }

        private class uInfiniteLight : uLight
        {
            public override int Type => 1;
            public override string Name => $"uInfiniteLight";
            // mpTexture unaccounted for.

            public uInfiniteLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<float>("Direction", 0x5A0, ParameterType.VECTOR3, pStep(0.00025f)),
                    P<float>("Shadow Distance", 0x5B0, ParameterType.FLOAT),
                    P<float>("Shadow Backforward Distance", 0x5B8, ParameterType.FLOAT),
                    P<float>("Shadow Distribution", 0x5B4, ParameterType.FLOAT),
                    P<float>("Shadow Radius Scale", 0x5BC, ParameterType.FLOAT),
                    P<bool>("Manual Split", 0x5C1, ParameterType.BOOL),
                    P<bool>("Individual Shadow Bias", 0x5D0, ParameterType.BOOL),
                    P<float>("Cascade Blend", 0x5C0, ParameterType.FLOAT),
                    P<float>("Fov", 0x630, ParameterType.FLOAT),
                    P<bool>("Is Fixed Fov Mode", 0x634, ParameterType.BOOL),
                    P<bool>("Is Discretized Fov Mode", 0x63C, ParameterType.BOOL),
                    P<float>("Discretization Angle", 0x638, ParameterType.FLOAT),
                    P<float>("Manual Split Distance[0]", 0x5C4, ParameterType.FLOAT),
                    P<float>("Cascade Depth Bias[0]", 0x5D4, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Cascade Sloped Depth Bias[0]", 0x5E0, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Cascade Max Depth Bias[0]", 0x5EC, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Manual Split Distance[1]", 0x5C8, ParameterType.FLOAT),
                    P<float>("Cascade Depth Bias[1]", 0x5D8, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Cascade Sloped Depth Bias[1]", 0x5E4, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Cascade Max Depth Bias[1]", 0x5F0, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Manual Split Distance[2]", 0x5CC, ParameterType.FLOAT),
                    P<float>("Cascade Depth Bias[2]", 0x5DC, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Cascade Sloped Depth Bias[2]", 0x5E8, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Cascade Max Depth Bias[2]", 0x5F4, ParameterType.FLOAT, pStep(0.00001f)),
                    P<float>("Projection Scale", 0x600, ParameterType.VECTOR2),
                    P<float>("Projection Offset", 0x60C, ParameterType.VECTOR2),
                    P<float>("Projection Up", 0x620, ParameterType.VECTOR3)
                });
                UpdateParams();
            }
        }

        private class uMhInfiniteLight : uInfiniteLight
        {
            public override string Name => $"uMhInfiniteLight";

            public uMhInfiniteLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<float>("Projection Offset Speed", 0x6D0, ParameterType.VECTOR2),
                    P<float>("Projection Offset Current", 0x6D8, ParameterType.VECTOR2)
                });
                UpdateParams();
            }
        }

        private class uMhActorInfiniteLight : uMhInfiniteLight
        {
            public override string Name => $"uMhActorInfiniteLight";

            public uMhActorInfiniteLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uLlkInfiniteLight : uInfiniteLight
        {
            public override string Name => $"uLlkInfiniteLight";
            public nint CycleTimelineRes => MemoryUtil.Read<nint>(Object + 0x658);
            public int CycleAnimNo => MemoryUtil.Read<int>(Object + 0x7A8);

            public uLlkInfiniteLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<int>("Llk Color", 0x640, ParameterType.COLOR),
                    P<float>("Llk Intensity", 0x644, ParameterType.FLOAT),
                    P<float>("Projection Offset Speed", 0x648, ParameterType.VECTOR2)
                });
                UpdateParams();
            }
        }

        private class uLlkActorInfiniteLight : uLlkInfiniteLight
        {
            public override string Name => $"uLlkActorInfiniteLight";

            public uLlkActorInfiniteLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uLlkFollowCameraInfiniteLight : uLlkInfiniteLight
        {
            public override string Name => $"uLlkFollowCameraInfiniteLight";

            public uLlkFollowCameraInfiniteLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uPointLight : uLight
        {
            public override int Type => 2;
            public override string Name => $"uPointLight";
            public override string Info => $"0x{Object:X}" + (Parent != 0x0 ? $", Parent: 0x{Parent:X}" : "");
            public nint Parent => MemoryUtil.Read<nint>(Object + 0x5C0);
            public int ParentNo => MemoryUtil.Read<int>(Object + 0x5C8);
            public Vector3 Position => MemoryUtil.Read<Vector3>(Object + 0x5A0);

            public uPointLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<float>("Position", 0x5A0, ParameterType.VECTOR3, pStep(0.15f)),
                    P<float>("Radius", 0x1B0, ParameterType.FLOAT),
                    P<float>("Effective Radius", 0x588, ParameterType.FLOAT)
                });
                UpdateParams();
            }
        }

        private class uMhPointLight : uPointLight
        {
            public override string Name => $"uMhPointLight";

            public uMhPointLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<bool>("Multiply Radius Square", 0x5D0, ParameterType.BOOL)
                });
                UpdateParams();
            }

            public uMhPointLight(nint lightObject, Vector3 pos) : this(lightObject)
            {
                foreach (Parameter param in Parameters)
                {
                    param.OverrideOn(false);
                }
                Parameters[0].SetOverrideValue(default, 0x7);
                Parameters[3].SetOverrideValue(new Vector4(10.0f, 0.0f, 0.0f, 0.0f), 0);
                Parameters[17].SetOverrideValue(new Vector4(pos.X, pos.Y, pos.Z, 0.0f), 0);
            }
        }

        private class uMhActorPointLight : uMhPointLight
        {
            public override string Name => $"uMhActorPointLight";

            public uMhActorPointLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uLlkPointLight : uPointLight
        {
            public override string Name => $"uLlkPointLight";
            public nint TimelineRes => MemoryUtil.Read<nint>(Object + 0x8A4);
            public int AnimNo => MemoryUtil.Read<int>(Object + 0x7A8);
            public NativeAction<nint> PlayResource = new NativeAction<nint>(0x141F89CB0);
            public NativeAction<nint> StopResource = new NativeAction<nint>(0x141F8A0C0);
            public nint CycleTimelineRes => MemoryUtil.Read<nint>(Object + 0x750);
            public int CycleAnimNo => MemoryUtil.Read<int>(Object + 0x8A0);

            public uLlkPointLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<int>("Llk Color", 0x970, ParameterType.COLOR),
                    P<float>("Llk Intensity", 0x974, ParameterType.FLOAT),
                    P<float>("Llk Radius", 0x978, ParameterType.FLOAT),
                    P<float>("Llk Effective Radius", 0x97C, ParameterType.FLOAT),
                    P<bool>("Multiply Radius Square", 0x980, ParameterType.BOOL),
                    P<int>("Random Param Bits", 0x6C8, ParameterType.HEX),
                    P<float>("Force Set Time", 0x8B4, ParameterType.FLOAT),
                    P<float>("Near Fade Out Start Distance", 0x8D4, ParameterType.FLOAT),
                    P<float>("Near Fade Out End Distance", 0x8D8, ParameterType.FLOAT),
                    P<float>("Fade Out Start Distance", 0x8DC, ParameterType.FLOAT),
                    P<float>("Fade Out End Distance", 0x8E0, ParameterType.FLOAT),
                    P<float>("Random Move Radius", 0x8E8, ParameterType.FLOAT),
                    P<float>("Random Move Friction", 0x900, ParameterType.VECTOR3),
                    P<float>("Random Move Force To Center", 0x8EC, ParameterType.FLOAT),
                    P<float>("Random Move Time Min", 0x8F8, ParameterType.FLOAT),
                    P<float>("Random Move Time Max", 0x8FC, ParameterType.FLOAT),
                    P<float>("Random Move Speed V Max", 0x940, ParameterType.VECTOR3),
                    P<float>("Random Move Force V Max", 0x960, ParameterType.VECTOR3)
                });
                UpdateParams();
            }
        }

        private class uLlkActorPointLight : uLlkPointLight
        {
            public override string Name => $"uLlkActorPointLight";

            public uLlkActorPointLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uLlkFollowCameraPointLight : uLlkPointLight
        {
            public override string Name => $"uLlkFollowCameraPointLight";

            public uLlkFollowCameraPointLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uSpotLight : uLight
        {
            public override int Type => 3;
            public override string Name => $"uSpotLight";
            public override string Info => $"0x{Object:X}, Parent: 0x{Parent:X}";
            public nint Parent => MemoryUtil.Read<nint>(Object + 0x600);
            public int ParentNo => MemoryUtil.Read<int>(Object + 0x610);
            public nint Target => MemoryUtil.Read<nint>(Object + 0x608);
            public int TargetNo => MemoryUtil.Read<int>(Object + 0x614);
            public nint Texture => MemoryUtil.Read<nint>(Object + 0x670);
            public nint ShadowCacheResource => MemoryUtil.Read<nint>(Object + 0x698);
            public Vector3 Position => MemoryUtil.Read<Vector3>(Object + 0x5A0);

            public uSpotLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<float>("Position", 0x5A0, ParameterType.VECTOR3, pStep(0.15f)),
                    P<float>("Direction", 0x5B0, ParameterType.VECTOR3, pStep(0.0025f)),
                    P<float>("Target Position", 0x5C0, ParameterType.VECTOR3, pStep(0.15f)),
                    P<bool>("Target Mode", 0x5F8, ParameterType.BOOL),
                    P<float>("Radius", 0x1B0, ParameterType.FLOAT),
                    P<float>("Effective Radius", 0x588, ParameterType.FLOAT),
                    P<float>("Cone", 0x5F0, ParameterType.FLOAT, pStep(0.01f)),
                    P<float>("Spread", 0x5F0, ParameterType.FLOAT, pStep(0.01f)),
                    P<float>("Falloff", 0x618, ParameterType.FLOAT, pStep(0.01f)),
                    P<float>("Projection Scale", 0x67C, ParameterType.VECTOR2),
                    P<float>("Projection Offset", 0x684, ParameterType.VECTOR2),
                    P<float>("Projection Rotation Z", 0x68C, ParameterType.FLOAT),
                    P<int>("Texture Index", 0x678, ParameterType.INT, pStep(1)),
                    P<bool>("Use Shadow Cache", 0x690, ParameterType.BOOL)
                });
                UpdateParams();
            }
        }

        private class uMhSpotLight : uSpotLight
        {
            public override string Name => $"uMhSpotLight";

            public uMhSpotLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<bool>("Multiply Radius Square", 0x6A0, ParameterType.BOOL),
                });
                UpdateParams();
            }

            public uMhSpotLight(nint lightObject, Vector3 pos) : this(lightObject)
            {
                foreach (Parameter param in Parameters)
                {
                    param.OverrideOn(false);
                }
                Parameters[0].SetOverrideValue(default, 0x7);
                Parameters[3].SetOverrideValue(new Vector4(350.0f, 0.0f, 0.0f, 0.0f), 0);
                Parameters[17].SetOverrideValue(new Vector4(pos.X, pos.Y + 200.0f, pos.Z, 0.0f), 0);
                Parameters[19].SetOverrideValue(new Vector4(pos.X, pos.Y, pos.Z, 0.0f), 0);
                Parameters[20].SetOverrideValue(default, 1);
                Parameters[23].SetOverrideValue(new Vector4(45.0f, 0.0f, 0.0f, 0.0f), 0);
            }
        }

        private class uMhActorSpotLight : uMhSpotLight
        {
            public override string Name => $"uMhActorSpotLight";

            public uMhActorSpotLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uLlkSpotLight : uSpotLight
        {
            public override string Name => $"uLlkSpotLight";
            public nint TimelineRes => MemoryUtil.Read<nint>(Object + 0x790);
            public int AnimNo => MemoryUtil.Read<int>(Object + 0x974);
            public NativeAction<nint> PlayResource = new NativeAction<nint>(0x141F8D550);
            public NativeAction<nint> StopResource = new NativeAction<nint>(0x141F8D970);
            public nint CycleTimelineRes => MemoryUtil.Read<nint>(Object + 0x820);
            public int CycleAnimNo => MemoryUtil.Read<int>(Object + 0x970);

            public uLlkSpotLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<int>("Llk Color", 0xA40, ParameterType.COLOR),
                    P<float>("Llk Intensity", 0xA44, ParameterType.FLOAT),
                    P<float>("Llk Radius", 0xA48, ParameterType.FLOAT),
                    P<float>("Llk Effective Radius", 0xA4C, ParameterType.FLOAT),
                    P<float>("Llk Cone", 0xA50, ParameterType.FLOAT),
                    P<float>("Llk Spread", 0xA54, ParameterType.FLOAT),
                    P<float>("Llk Falloff", 0xA58, ParameterType.FLOAT),
                    P<bool>("Multiply Radius Square", 0xA68, ParameterType.BOOL),
                    P<int>("Random Param Bits", 0x798, ParameterType.HEX),
                    P<float>("Force Set Time", 0x984, ParameterType.FLOAT),
                    P<float>("Near Fade Out Start Distance", 0x9A4, ParameterType.FLOAT),
                    P<float>("Near Fade Out End Distance", 0x9A8, ParameterType.FLOAT),
                    P<float>("Fade Out Start Distance", 0x9AC, ParameterType.FLOAT),
                    P<float>("Fade Out End Distance", 0x9B0, ParameterType.FLOAT),
                    P<float>("Random Move Radius", 0x9B8, ParameterType.FLOAT),
                    P<float>("Random Move Friction", 0x9D0, ParameterType.VECTOR3),
                    P<float>("Random Move Force To Center", 0x9BC, ParameterType.FLOAT),
                    P<float>("Random Move Time Min", 0x9C8, ParameterType.FLOAT),
                    P<float>("Random Move Time Max", 0x9CC, ParameterType.FLOAT),
                    P<float>("Random Move Speed V Max", 0xA10, ParameterType.VECTOR3),
                    P<float>("Random Move Force V Max", 0xA30, ParameterType.VECTOR3),
                    P<float>("Projection Offset Speed", 0xA60, ParameterType.VECTOR2)
                });
                UpdateParams();
            }
        }

        private class uLlkActorSpotLight : uLlkSpotLight
        {
            public override string Name => $"uLlkActorSpotLight";

            public uLlkActorSpotLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uLlkNullAngleSpotLight : uLlkSpotLight
        {
            public override string Name => $"uLlkNullAngleSpotLight";

            public uLlkNullAngleSpotLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uLlkFollowCameraSpotLight : uLlkSpotLight
        {
            public override string Name => $"uLlkFollowCameraSpotLight";

            public uLlkFollowCameraSpotLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uHemiSphereLight : uLight
        {
            public override int Type => 4;
            public override string Name => $"uHemiSphereLight";

            public uHemiSphereLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<int>("Rev Color", 0x5A0, ParameterType.COLOR),
                    P<float>("Rev Intensity", 0x5A4, ParameterType.FLOAT),
                    P<float>("Direction", 0x5B0, ParameterType.VECTOR3, pStep(0.00025f))
                });
                UpdateParams();
            }
        }

        private class uMhHemiSphereLight : uHemiSphereLight
        {
            public override string Name => $"uMhHemiSphereLight";

            public uMhHemiSphereLight(nint lightObject) : base(lightObject)
            {
            }

            public uMhHemiSphereLight(nint lightObject, Vector3 pos) : this(lightObject)
            {
                foreach (Parameter param in Parameters)
                {
                    param.OverrideOn(false);
                }
            }
        }

        private class uLlkHemiSphereLight : uHemiSphereLight
        {
            public override string Name => $"uLlkHemiSphereLight";
            public nint CycleTimelineRes => MemoryUtil.Read<nint>(Object + 0x5D0);
            public int CycleAnimNo => MemoryUtil.Read<int>(Object + 0x720);

            public uLlkHemiSphereLight(nint lightObject) : base(lightObject)
            {
                Parameters.AddRange(new Parameter[]{
                    P<int>("Llk Color", 0x5C0, ParameterType.COLOR),
                    P<float>("Llk Intensity", 0x5C8, ParameterType.FLOAT),
                    P<int>("Llk Rev Color", 0x5C4, ParameterType.COLOR),
                    P<float>("Llk Rev Intensity", 0x5CC, ParameterType.FLOAT)
                });
                UpdateParams();
            }
        }

        private class uMhObjectLight : uLight
        {
            public override int Type => 5;
            public override string Name => $"uMhObjectLight";

            public uMhObjectLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private class uLlkObjectLight : uLight
        {
            public override string Name => $"uLlkObjectLight";

            public uLlkObjectLight(nint lightObject) : base(lightObject)
            {
            }
        }

        private delegate nint CreateLightObject(nint lightObject);
        private delegate nint DestroyLightObject(nint lightObjectInternal, int unknownInt);
        private Hook<CreateLightObject>? createLightObject;
        private static Dictionary<nint, Func<nint, uLight>> lightTypes = new Dictionary<nint, Func<nint, uLight>>()
        {
            { lton(0x143514168), (x) => new uLight(x) },
            { lton(0x143514288), (x) => new uInfiniteLight(x) },
            { lton(0x1434994D0), (x) => new uMhInfiniteLight(x) },
            { lton(0x1434954F0), (x) => new uMhActorInfiniteLight(x) },
            { lton(0x143494150), (x) => new uLlkInfiniteLight(x) },
            { lton(0x1434936A0), (x) => new uLlkActorInfiniteLight(x) },
            { lton(0x143493E30), (x) => new uLlkFollowCameraInfiniteLight(x) },
            { lton(0x1435143A8), (x) => new uPointLight(x) },
            { lton(0x14349A6C8), (x) => new uMhPointLight(x) },
            { lton(0x1434952B0), (x) => new uMhActorPointLight(x) },
            { lton(0x1434944E8), (x) => new uLlkPointLight(x) },
            { lton(0x143493460), (x) => new uLlkActorPointLight(x) },
            { lton(0x143493BF0), (x) => new uLlkFollowCameraPointLight(x) },
            { lton(0x1435144C8), (x) => new uSpotLight(x) },
            { lton(0x14349E280), (x) => new uMhSpotLight(x) },
            { lton(0x1434953D0), (x) => new uMhActorSpotLight(x) },
            { lton(0x143494888), (x) => new uLlkSpotLight(x) },
            { lton(0x143493580), (x) => new uLlkActorSpotLight(x) },
            { lton(0x1434937C0), (x) => new uLlkNullAngleSpotLight(x) },
            { lton(0x143493D10), (x) => new uLlkFollowCameraSpotLight(x) },
            { lton(0x1435145E8), (x) => new uHemiSphereLight(x) },
            { lton(0x143499378), (x) => new uMhHemiSphereLight(x) },
            { lton(0x143493F98), (x) => new uLlkHemiSphereLight(x) },
            { lton(0x14349A498), (x) => new uMhObjectLight(x) },
            { lton(0x1434942A0), (x) => new uLlkObjectLight(x) },
            { lton(0x143493918), (x) => new uLight(x) }, // @TODO: uLlkBaseModel is not implemented.
        };
        private static nint[] lightObjectDestructors = {
            lton(0x142311FF0), // # uLight
            lton(0x142311F40), // # uInfiniteLight
            lton(0x141FB8F50), // # uMhInfiniteLight
            lton(0x141F91DE0), // # uMhActorInfiniteLight
            lton(0x141F855A0), // # uLlkInfiniteLight
            lton(0x141F81940), // # uLlkActorInfiniteLight
            lton(0x141F83B00), // # uLlkFollowCameraInfiniteLight
            lton(0x142312070), // # uPointLight
            lton(0x141FC0950), // # uMhPointLight
            lton(0x141F91E80), // # uMhActorPointLight
            lton(0x141F87D90), // # uLlkPointLight
            lton(0x141F819B0), // # uLlkActorPointLight
            lton(0x141F83B70), // # uLlkFollowCameraPointLight
            lton(0x1423120F0), // # uSpotLight
            lton(0x141FDE0D0), // # uMhSpotLight
            lton(0x141F91F20), // # uMhActorSpotLight
            lton(0x141F8B390), // # uLlkSpotLight
            lton(0x141F81A20), // # uLlkActorSpotLight
            lton(0x141F81A90), // # uLlkNullAngleSpotLight
            lton(0x141F83BE0), // # uLlkFollowCameraSpotLight
            lton(0x142311EC0), // # uHemiSphereLight
            lton(0x141FB8C20), // # uMhHemiSphereLight
            lton(0x141F84A40), // # uLlkHemiSphereLight
            lton(0x141FBF6B0), // # uMhObjectLight
            lton(0x141F86270), // # uLlkObjectLight
            lton(0x141F83460), // # uLlkBaseModel
        };
        private Hook<DestroyLightObject>[] lightObjectDestructorHooks = new Hook<DestroyLightObject>[lightObjectDestructors.Length];

        private List<uLight> newLights = new List<uLight>();
        private List<uLight> sceneLights = new List<uLight>();
        private bool sortByDistanceToPlayerPoint = false;
        private bool sortByDistanceToPlayerSpot = false;

        private NativeAction<nint, int, nint, int> addToScene;
        private NativeAction<nint> removeFromScene;
        private List<uLight> ourLights = new List<uLight>();

        public void Initialize()
        {
            createLightObject = Hook.Create<CreateLightObject>(0x142311420, CreateLightObjectHook);
            DestroyLightObject[] destructorHookFuncs = {
                DestroyLightObjectHook0,
                DestroyLightObjectHook1,
                DestroyLightObjectHook2,
                DestroyLightObjectHook3,
                DestroyLightObjectHook4,
                DestroyLightObjectHook5,
                DestroyLightObjectHook6,
                DestroyLightObjectHook7,
                DestroyLightObjectHook8,
                DestroyLightObjectHook9,
                DestroyLightObjectHook10,
                DestroyLightObjectHook11,
                DestroyLightObjectHook12,
                DestroyLightObjectHook13,
                DestroyLightObjectHook14,
                DestroyLightObjectHook15,
                DestroyLightObjectHook16,
                DestroyLightObjectHook17,
                DestroyLightObjectHook18,
                DestroyLightObjectHook19,
                DestroyLightObjectHook20,
                DestroyLightObjectHook21,
                DestroyLightObjectHook22,
                DestroyLightObjectHook23,
                DestroyLightObjectHook24,
                DestroyLightObjectHook25
            };
            for (int i = 0; i < lightObjectDestructors.Length; i++)
            {
                lightObjectDestructorHooks[i] = Hook.Create<DestroyLightObject>(lightObjectDestructors[i], destructorHookFuncs[i]);
            }

            addToScene = new NativeAction<nint, int, nint, int>(0x142219070);
            removeFromScene = new NativeAction<nint>(0x142228F10);
        }

        public void PostUpdateLightLinker()
        {
            foreach (uLight light in sceneLights)
            {
                foreach (Parameter param in light.Parameters)
                {
                    param.Update(light.Object);
                }
            }
        }

        public void OnUpdate()
        {
            lock (newLights)
            {
                for (int i = newLights.Count - 1; i >= 0; i--)
                {
                    uLight light = newLights[i];
                    newLights.RemoveAt(i);
                    nint vTable = MemoryUtil.Read<nint>(light.Object);
                    if (lightTypes.ContainsKey(vTable))
                    {
                        if (vTable == lton(0x143514168))
                        {
                            Log.Error("Light is still uLight OnUpdate().");
                        }
                        sceneLights.Add(lightTypes[vTable](light.Object));
                    }
                    else
                    {
                        Log.Error($"Unknown Light Type: 0x{vTable:X}.");
                    }
                }
            }
        }

        private nint CreateLightObjectHook(nint lightObject)
        {
            lightObject = createLightObject!.Original(lightObject);
            uLight light = new uLight(lightObject);
            lock (newLights)
            {
                newLights.Add(light);
            }
            return lightObject;
        }

        private void cleanupCommon(nint lightObject)
        {
            for (int i = 0; i < sceneLights.Count; i++)
            {
                uLight light = sceneLights[i];
                if (lightObject == light.Object)
                {
                    sceneLights.RemoveAt(i);
                    return;
                }
            }
            for (int i = 0; i < ourLights.Count; i++)
            {
                uLight light = ourLights[i];
                if (lightObject == light.Object)
                {
                    ourLights.RemoveAt(i);
                    return;
                }
            }
            lock (newLights)
            {
                for (int i = 0; i < newLights.Count; i++)
                {
                    uLight light = newLights[i];
                    if (lightObject == light.Object)
                    {
                        newLights.RemoveAt(i);
                        return;
                    }
                }
            }
        }

        private nint DestroyLightObjectHook0(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[0]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook1(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[1]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook2(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[2]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook3(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[3]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook4(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[4]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook5(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[5]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook6(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[6]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook7(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[7]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook8(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[8]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook9(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[9]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook10(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[10]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook11(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[11]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook12(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[12]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook13(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[13]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook14(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[14]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook15(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[15]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook16(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[16]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook17(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[17]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook18(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[18]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook19(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[19]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook20(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[20]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook21(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[21]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook22(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[22]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook23(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[23]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook24(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[24]!.Original(lightObject, unknownInt);
        }
        private nint DestroyLightObjectHook25(nint lightObject, int unknownInt)
        {
            Assert(unknownInt == 1); cleanupCommon(lightObject);
            return lightObjectDestructorHooks[25]!.Original(lightObject, unknownInt);
        }

        private void DrawLights(IEnumerable<uLight> lights, float width)
        {
            bool disableAll = ImGui.Button("Disable All");
            if (ImGui.BeginItemTooltip())
            {
                ImGui.Text("Set \"Group\" to 0, \"Intensity\" to 0.0 and Disable \"Shadow Cast\" and \"Do Volumetric\".");
                ImGui.EndTooltip();
            }
            ImGui.SameLine();
            bool enableAll = ImGui.Button("Enable All");
            foreach (uLight light in lights)
            {
                ImGui.PushID(light.Object);
                if (disableAll)
                {
                    light.Parameters[0].ForceOverrideOn();
                    light.Parameters[0].SetOverrideValue(default, 0);
                    light.Parameters[3].ForceOverrideOn();
                    light.Parameters[3].SetOverrideValue(new Vector4(0.0f, 0.0f, 0.0f, 0.0f), 0);
                    light.Parameters[7].ForceOverrideOn();
                    light.Parameters[7].SetOverrideValue(default, 0);
                    light.Parameters[16].ForceOverrideOn();
                    light.Parameters[16].SetOverrideValue(default, 0);
                    if (light is uLlkPointLight)
                    {
                        light.Parameters[21].ForceOverrideOn();
                        light.Parameters[21].SetOverrideValue(new Vector4(0.0f, 0.0f, 0.0f, 0.0f), 0);
                    }
                    if (light is uLlkSpotLight)
                    {
                        light.Parameters[32].ForceOverrideOn();
                        light.Parameters[32].SetOverrideValue(new Vector4(0.0f, 0.0f, 0.0f, 0.0f), 0);
                    }
                    if (light is uHemiSphereLight)
                    {
                        light.Parameters[18].ForceOverrideOn();
                        light.Parameters[18].SetOverrideValue(new Vector4(0.0f, 0.0f, 0.0f, 0.0f), 0);
                    }
                    if (light is uLlkHemiSphereLight)
                    {
                        light.Parameters[21].ForceOverrideOn();
                        light.Parameters[21].SetOverrideValue(new Vector4(0.0f, 0.0f, 0.0f, 0.0f), 0);
                        light.Parameters[23].ForceOverrideOn();
                        light.Parameters[23].SetOverrideValue(new Vector4(0.0f, 0.0f, 0.0f, 0.0f), 0);
                    }
                }
                if (enableAll)
                {
                    light.Parameters[0].ForceOverrideOff();
                    light.Parameters[3].ForceOverrideOff();
                    light.Parameters[7].ForceOverrideOff();
                    light.Parameters[16].ForceOverrideOff();
                    if (light is uLlkPointLight)
                    {
                        light.Parameters[21].ForceOverrideOff();
                    }
                    if (light is uLlkSpotLight)
                    {
                        light.Parameters[32].ForceOverrideOff();
                    }
                    if (light is uHemiSphereLight)
                    {
                        light.Parameters[18].ForceOverrideOff();
                    }
                    if (light is uLlkHemiSphereLight)
                    {
                        light.Parameters[21].ForceOverrideOff();
                        light.Parameters[23].ForceOverrideOff();
                    }
                }
                if (ImGui.CollapsingHeader(($"{light.Name} ({light.Info})")))
                {
                    foreach (Parameter param in light.Parameters)
                    {
                        param.Draw(width);
                    }
                }
                ImGui.PopID();
            }
        }

        public unsafe void DrawUI(float width)
        {
            int lightType = -1;
            nint lightObject = 0x0;
            if (ImGui.Button("New Point Light"))
            {
                lightType = 2;
                lightObject = new NativeFunction<nint>(0x141FC0780).Invoke();
            }
            ImGui.SameLine();
            if (ImGui.Button("New Spot Light"))
            {
                lightType = 3;
                lightObject = new NativeFunction<nint>(0x141FDDF00).Invoke();
            }
            ImGui.SameLine();
            if (ImGui.Button("New Hemi Sphere Light"))
            {
                lightType = 4;
                lightObject = new NativeFunction<nint>(0x141FB8A50).Invoke();
            }
            bool lightTook = false;
            lock (newLights)
            {
                for (int i = newLights.Count - 1; i >= 0; i--)
                {
                    uLight light = newLights[i];
                    if (light.Object == lightObject)
                    {
                        newLights.RemoveAt(i);
                        lightTook = true;
                        break;
                    }
                }
            }
            if (lightTook && lightObject != 0x0)
            {
                Vector3 pos = default;
                Player? player = Player.MainPlayer;
                if (player != null)
                {
                    pos = player.Position;
                    pos.Y += 30.0f;
                }
                if (lightType == 2)
                {
                    ourLights.Add(new uMhPointLight(lightObject, pos));
                }
                else if (lightType == 3)
                {
                    ourLights.Add(new uMhSpotLight(lightObject, pos));
                }
                else if (lightType == 4)
                {
                    ourLights.Add(new uMhHemiSphereLight(lightObject, pos));
                }
                // mov byte ptr[rsp+20],00 unaccounted for, hopefully it never matters.
                addToScene.Invoke(MemoryUtil.Read<nint>(0x1451238C8), 0x16, lightObject, 0x0);
            }
            ImGui.PushID("Ours");
            for (int i = 0; i < ourLights.Count; i++)
            {
                uLight light = ourLights[i];
                ImGui.PushID(i);
                if (ImGui.Button("X"))
                {
                    removeFromScene.Invoke(light.Object); // removeFromScene triggers destructor.
                }
                ImGui.SameLine();
                if (ImGui.CollapsingHeader(($"{light.Name} (0x{light.Object:X})")))
                {
                    foreach (Parameter param in light.Parameters)
                    {
                        param.Draw(width, true);
                    }
                }
                ImGui.PopID();
            }
            ImGui.PopID();
            ImGui.Separator();
            ImGui.PushID("Scene");
            ImGuiTreeNodeFlags flags = ImGuiTreeNodeFlags.Framed;
            if (ImGui.TreeNodeEx("Scene Lights", flags))
            {
                ImGui.PushID("Infinite");
                if (ImGui.CollapsingHeader("Infinite"))
                {
                    DrawLights(sceneLights.Where(x => (x.Type == 1)), width);
                    ImGui.Separator();
                }
                ImGui.PopID();
                ImGui.PushID("Point");
                if (ImGui.CollapsingHeader("Point"))
                {
                    ImGui.Checkbox("Sort By Distance To Player", ref sortByDistanceToPlayerPoint);
                    ImGui.SameLine();
                    if (sortByDistanceToPlayerPoint)
                    {
                        Vector3 pos = default;
                        Player? player = Player.MainPlayer;
                        if (player != null) pos = player.Position;
                        DrawLights(Enumerable.OrderBy<uLight, uLight>(sceneLights.Where(x => (x.Type == 2)), x => x, Comparer<uLight>.Create((x, y) =>
                        {
                            Vector3 xPos = ((uPointLight)x).Position;
                            if (((uPointLight)x).Parent != 0x0)
                            {
                                xPos += MemoryUtil.GetRef<Vector3>(((uPointLight)x).Parent + 0x160);
                            }
                            Vector3 yPos = ((uPointLight)y).Position;
                            if (((uPointLight)y).Parent != 0x0)
                            {
                                yPos += MemoryUtil.GetRef<Vector3>(((uPointLight)y).Parent + 0x160);
                            }
                            float distX = Vector3.Distance(pos, xPos);
                            float distY = Vector3.Distance(pos, yPos);
                            if (distX < distY) return -1;
                            else if (distX > distY) return 1;
                            return 0;
                        })), width);
                    }
                    else
                    {
                        DrawLights(sceneLights.Where(x => (x.Type == 2)), width);
                    }
                    ImGui.Separator();
                }
                ImGui.PopID();
                ImGui.PushID("Spot");
                if (ImGui.CollapsingHeader("Spot"))
                {
                    ImGui.Checkbox("Sort By Distance To Player", ref sortByDistanceToPlayerSpot);
                    ImGui.SameLine();
                    if (sortByDistanceToPlayerSpot)
                    {
                        Vector3 pos = default;
                        Player? player = Player.MainPlayer;
                        if (player != null) pos = player.Position;
                        DrawLights(Enumerable.OrderBy<uLight, uLight>(sceneLights.Where(x => (x.Type == 3)), x => x, Comparer<uLight>.Create((x, y) =>
                        {
                            Vector3 xPos = ((uSpotLight)x).Position;
                            if (((uSpotLight)x).Parent != 0x0)
                            {
                                xPos += MemoryUtil.GetRef<Vector3>(((uSpotLight)x).Parent + 0x160);
                            }
                            Vector3 yPos = ((uSpotLight)y).Position;
                            if (((uSpotLight)y).Parent != 0x0)
                            {
                                yPos += MemoryUtil.GetRef<Vector3>(((uSpotLight)y).Parent + 0x160);
                            }
                            float distX = Vector3.Distance(pos, xPos);
                            float distY = Vector3.Distance(pos, yPos);
                            if (distX < distY) return -1;
                            else if (distX > distY) return 1;
                            return 0;
                        })), width);
                    }
                    else
                    {
                        DrawLights(sceneLights.Where(x => (x.Type == 3)), width);
                    }
                    ImGui.Separator();
                }
                ImGui.PopID();
                ImGui.PushID("HemiSphere");
                if (ImGui.CollapsingHeader("Hemi Sphere"))
                {
                    DrawLights(sceneLights.Where(x => (x.Type == 4)), width);
                    ImGui.Separator();
                }
                ImGui.PopID();
                ImGui.PushID("Other");
                if (ImGui.CollapsingHeader("Other"))
                {
                    DrawLights(sceneLights.Where(x => (x.Type == -1 || x.Type == 5)), width);
                }
                ImGui.PopID();
                ImGui.TreePop();
            }
            ImGui.PopID();
        }
    }
}