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Merge pull request #384 from xanunderscore/move
use navmesh movement code
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| using Dalamud.Game.Config; | ||
| using Dalamud.Hooking; | ||
| using Dalamud.Utility.Signatures; | ||
| using System.Runtime.InteropServices; | ||
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| namespace BossMod.AI; | ||
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| [StructLayout(LayoutKind.Explicit, Size = 0x18)] | ||
| public unsafe struct PlayerMoveControllerFlyInput | ||
| { | ||
| [FieldOffset(0x0)] public float Forward; | ||
| [FieldOffset(0x4)] public float Left; | ||
| [FieldOffset(0x8)] public float Up; | ||
| [FieldOffset(0xC)] public float Turn; | ||
| [FieldOffset(0x10)] public float u10; | ||
| [FieldOffset(0x14)] public byte DirMode; | ||
| [FieldOffset(0x15)] public byte HaveBackwardOrStrafe; | ||
| } | ||
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| public sealed unsafe class AIMove : IDisposable | ||
| { | ||
| [System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "CA2211:Non-constant fields should not be visible", Justification = "Camera already does this")] | ||
| public static AIMove? Instance; | ||
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| public WPos? DesiredPosition; | ||
| public float? DesiredY; | ||
| public float Precision = 0.01f; | ||
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| private bool _legacyMode; | ||
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| private delegate bool RMIWalkIsInputEnabled(void* self); | ||
| private readonly RMIWalkIsInputEnabled _rmiWalkIsInputEnabled1; | ||
| private readonly RMIWalkIsInputEnabled _rmiWalkIsInputEnabled2; | ||
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| private delegate void RMIWalkDelegate(void* self, float* sumLeft, float* sumForward, float* sumTurnLeft, byte* haveBackwardOrStrafe, byte* a6, byte bAdditiveUnk); | ||
| [Signature("E8 ?? ?? ?? ?? 80 7B 3E 00 48 8D 3D")] | ||
| private readonly Hook<RMIWalkDelegate> _rmiWalkHook = null!; | ||
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| private delegate void RMIFlyDelegate(void* self, PlayerMoveControllerFlyInput* result); | ||
| [Signature("E8 ?? ?? ?? ?? 0F B6 0D ?? ?? ?? ?? B8")] | ||
| private readonly Hook<RMIFlyDelegate> _rmiFlyHook = null!; | ||
|
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| public AIMove() | ||
| { | ||
| var rmiWalkIsInputEnabled1Addr = Service.SigScanner.ScanText("E8 ?? ?? ?? ?? 84 C0 75 10 38 43 3C"); | ||
| var rmiWalkIsInputEnabled2Addr = Service.SigScanner.ScanText("E8 ?? ?? ?? ?? 84 C0 75 03 88 47 3F"); | ||
| Service.Log($"RMIWalkIsInputEnabled1 address: 0x{rmiWalkIsInputEnabled1Addr:X}"); | ||
| Service.Log($"RMIWalkIsInputEnabled2 address: 0x{rmiWalkIsInputEnabled2Addr:X}"); | ||
| _rmiWalkIsInputEnabled1 = Marshal.GetDelegateForFunctionPointer<RMIWalkIsInputEnabled>(rmiWalkIsInputEnabled1Addr); | ||
| _rmiWalkIsInputEnabled2 = Marshal.GetDelegateForFunctionPointer<RMIWalkIsInputEnabled>(rmiWalkIsInputEnabled2Addr); | ||
|
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| Service.Hook.InitializeFromAttributes(this); | ||
| Service.Log($"RMIWalk address: 0x{_rmiWalkHook.Address:X}"); | ||
| Service.GameConfig.UiControlChanged += OnConfigChanged; | ||
| UpdateLegacyMode(); | ||
|
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| _rmiWalkHook.Enable(); | ||
| _rmiFlyHook.Enable(); | ||
| } | ||
|
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| public void Dispose() | ||
| { | ||
| Service.GameConfig.UiControlChanged -= OnConfigChanged; | ||
| _rmiWalkHook.Dispose(); | ||
| _rmiFlyHook.Dispose(); | ||
| } | ||
|
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| private void RMIWalkDetour(void* self, float* sumLeft, float* sumForward, float* sumTurnLeft, byte* haveBackwardOrStrafe, byte* a6, byte bAdditiveUnk) | ||
| { | ||
| _rmiWalkHook.Original(self, sumLeft, sumForward, sumTurnLeft, haveBackwardOrStrafe, a6, bAdditiveUnk); | ||
| // TODO: we really need to introduce some extra checks that PlayerMoveController::readInput does - sometimes it skips reading input, and returning something non-zero breaks stuff... | ||
| bool movementAllowed = bAdditiveUnk == 0 && _rmiWalkIsInputEnabled1(self) && _rmiWalkIsInputEnabled2(self); //&& !Service.Condition[Dalamud.Game.ClientState.Conditions.ConditionFlag.BeingMoved]; | ||
| if (movementAllowed && (*sumLeft == 0 && *sumForward == 0) && DirectionToDestination(false) is var relDir && relDir != null) | ||
| { | ||
| var dir = relDir.Value.h.ToDirection(); | ||
| *sumLeft = dir.X; | ||
| *sumForward = dir.Z; | ||
| } | ||
| } | ||
|
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| private void RMIFlyDetour(void* self, PlayerMoveControllerFlyInput* result) | ||
| { | ||
| _rmiFlyHook.Original(self, result); | ||
| // TODO: we really need to introduce some extra checks that PlayerMoveController::readInput does - sometimes it skips reading input, and returning something non-zero breaks stuff... | ||
| if (result->Forward == 0 && result->Left == 0 && result->Up == 0 && DirectionToDestination(true) is var relDir && relDir != null) | ||
| { | ||
| var dir = relDir.Value.h.ToDirection(); | ||
| result->Forward = dir.Z; | ||
| result->Left = dir.X; | ||
| result->Up = relDir.Value.v.Rad; | ||
| } | ||
| } | ||
|
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| private (Angle h, Angle v)? DirectionToDestination(bool allowVertical) | ||
| { | ||
| if (DesiredPosition == null) | ||
| return null; | ||
|
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| var player = Service.ClientState.LocalPlayer; | ||
| if (player == null) | ||
| return null; | ||
|
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| var playerXZ = new WPos(player.Position.X, player.Position.Z); | ||
|
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| var distV3 = DesiredPosition.Value - playerXZ; | ||
| if (distV3.Length() <= Precision) | ||
| return null; | ||
|
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| var dist = new WDir(distV3.X, distV3.Z); | ||
|
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| var dirH = Angle.FromDirection(dist); | ||
| var dirV = allowVertical && DesiredY != null ? Angle.FromDirection(new(DesiredY.Value, dist.Length())) : default; | ||
|
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| var refDir = _legacyMode | ||
| ? Camera.Instance!.CameraAzimuth.Radians() + 180.Degrees() | ||
| : player.Rotation.Radians(); | ||
| return (dirH - refDir, dirV); | ||
| } | ||
|
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| private void OnConfigChanged(object? sender, ConfigChangeEvent evt) => UpdateLegacyMode(); | ||
| private void UpdateLegacyMode() | ||
| { | ||
| _legacyMode = Service.GameConfig.UiControl.TryGetUInt("MoveMode", out var mode) && mode == 1; | ||
| Service.Log($"Legacy mode is now {(_legacyMode ? "enabled" : "disabled")}"); | ||
| } | ||
| } |
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