Files
tbd-station-14/Content.Server/GameObjects/EntitySystems/MoverSystem.cs

286 lines
11 KiB
C#

using Content.Server.GameObjects.Components;
using Content.Server.GameObjects.Components.Mobs;
using Content.Server.GameObjects.Components.Movement;
using Content.Server.GameObjects.Components.Sound;
using Content.Server.Interfaces.GameObjects.Components.Movement;
using Content.Server.Observer;
using Content.Shared.Audio;
using Content.Shared.GameObjects.Components.Inventory;
using Content.Shared.Maps;
using JetBrains.Annotations;
using Robust.Server.GameObjects;
using Robust.Server.GameObjects.EntitySystems;
using Robust.Server.Interfaces.GameObjects;
using Robust.Server.Interfaces.Player;
using Robust.Server.Interfaces.Timing;
using Robust.Shared.Configuration;
using Robust.Shared.GameObjects;
using Robust.Shared.GameObjects.Components.Transform;
using Robust.Shared.GameObjects.Systems;
using Robust.Shared.Input;
using Robust.Shared.Interfaces.Configuration;
using Robust.Shared.Interfaces.GameObjects;
using Robust.Shared.Interfaces.GameObjects.Components;
using Robust.Shared.Interfaces.Map;
using Robust.Shared.Interfaces.Random;
using Robust.Shared.IoC;
using Robust.Shared.Log;
using Robust.Shared.Map;
using Robust.Shared.Maths;
using Robust.Shared.Network;
using Robust.Shared.Players;
using Robust.Shared.Prototypes;
using Robust.Shared.Random;
namespace Content.Server.GameObjects.EntitySystems
{
[UsedImplicitly]
internal class MoverSystem : EntitySystem
{
#pragma warning disable 649
[Dependency] private readonly IPauseManager _pauseManager;
[Dependency] private readonly IPrototypeManager _prototypeManager;
[Dependency] private readonly ITileDefinitionManager _tileDefinitionManager;
[Dependency] private readonly IMapManager _mapManager;
[Dependency] private readonly IRobustRandom _robustRandom;
[Dependency] private readonly IConfigurationManager _configurationManager;
#pragma warning restore 649
private AudioSystem _audioSystem;
private const float StepSoundMoveDistanceRunning = 2;
private const float StepSoundMoveDistanceWalking = 1.5f;
/// <inheritdoc />
public override void Initialize()
{
EntityQuery = new TypeEntityQuery(typeof(IMoverComponent));
var moveUpCmdHandler = InputCmdHandler.FromDelegate(
session => HandleDirChange(session, Direction.North, true),
session => HandleDirChange(session, Direction.North, false));
var moveLeftCmdHandler = InputCmdHandler.FromDelegate(
session => HandleDirChange(session, Direction.West, true),
session => HandleDirChange(session, Direction.West, false));
var moveRightCmdHandler = InputCmdHandler.FromDelegate(
session => HandleDirChange(session, Direction.East, true),
session => HandleDirChange(session, Direction.East, false));
var moveDownCmdHandler = InputCmdHandler.FromDelegate(
session => HandleDirChange(session, Direction.South, true),
session => HandleDirChange(session, Direction.South, false));
var runCmdHandler = InputCmdHandler.FromDelegate(
session => HandleRunChange(session, false),
session => HandleRunChange(session, true));
var input = EntitySystemManager.GetEntitySystem<InputSystem>();
input.BindMap.BindFunction(EngineKeyFunctions.MoveUp, moveUpCmdHandler);
input.BindMap.BindFunction(EngineKeyFunctions.MoveLeft, moveLeftCmdHandler);
input.BindMap.BindFunction(EngineKeyFunctions.MoveRight, moveRightCmdHandler);
input.BindMap.BindFunction(EngineKeyFunctions.MoveDown, moveDownCmdHandler);
input.BindMap.BindFunction(EngineKeyFunctions.Run, runCmdHandler);
SubscribeLocalEvent<PlayerAttachSystemMessage>(PlayerAttached);
SubscribeLocalEvent<PlayerDetachedSystemMessage>(PlayerDetached);
_audioSystem = EntitySystemManager.GetEntitySystem<AudioSystem>();
_configurationManager.RegisterCVar("game.diagonalmovement", true, CVar.ARCHIVE);
}
private static void PlayerAttached(PlayerAttachSystemMessage ev)
{
if (!ev.Entity.HasComponent<IMoverComponent>())
{
ev.Entity.AddComponent<PlayerInputMoverComponent>();
}
}
private static void PlayerDetached(PlayerDetachedSystemMessage ev)
{
if (ev.Entity.HasComponent<PlayerInputMoverComponent>())
{
ev.Entity.RemoveComponent<PlayerInputMoverComponent>();
}
}
/// <inheritdoc />
public override void Shutdown()
{
if (EntitySystemManager.TryGetEntitySystem(out InputSystem input))
{
input.BindMap.UnbindFunction(EngineKeyFunctions.MoveUp);
input.BindMap.UnbindFunction(EngineKeyFunctions.MoveLeft);
input.BindMap.UnbindFunction(EngineKeyFunctions.MoveRight);
input.BindMap.UnbindFunction(EngineKeyFunctions.MoveDown);
input.BindMap.UnbindFunction(EngineKeyFunctions.Run);
}
base.Shutdown();
}
/// <inheritdoc />
public override void Update(float frameTime)
{
foreach (var entity in RelevantEntities)
{
if (_pauseManager.IsEntityPaused(entity))
{
continue;
}
var mover = entity.GetComponent<IMoverComponent>();
var physics = entity.GetComponent<PhysicsComponent>();
UpdateKinematics(entity.Transform, mover, physics);
}
}
private void UpdateKinematics(ITransformComponent transform, IMoverComponent mover, PhysicsComponent physics)
{
if (mover.VelocityDir.LengthSquared < 0.001 || !ActionBlockerSystem.CanMove(mover.Owner))
{
if (physics.LinearVelocity != Vector2.Zero)
physics.LinearVelocity = Vector2.Zero;
}
else
{
physics.LinearVelocity = mover.VelocityDir * (mover.Sprinting ? mover.CurrentSprintSpeed : mover.CurrentWalkSpeed);
transform.LocalRotation = mover.VelocityDir.GetDir().ToAngle();
// Handle footsteps.
if (_mapManager.GridExists(mover.LastPosition.GridID))
{
// Can happen when teleporting between grids.
var distance = transform.GridPosition.Distance(_mapManager, mover.LastPosition);
mover.StepSoundDistance += distance;
}
mover.LastPosition = transform.GridPosition;
float distanceNeeded;
if (mover.Sprinting)
{
distanceNeeded = StepSoundMoveDistanceRunning;
}
else
{
distanceNeeded = StepSoundMoveDistanceWalking;
}
if (mover.StepSoundDistance > distanceNeeded)
{
mover.StepSoundDistance = 0;
if (!mover.Owner.HasComponent<FootstepSoundComponent>())
{
return;
}
if (mover.Owner.TryGetComponent<InventoryComponent>(out var inventory)
&& inventory.TryGetSlotItem<ItemComponent>(EquipmentSlotDefines.Slots.SHOES, out var item)
&& item.Owner.TryGetComponent<FootstepModifierComponent>(out var modifier))
{
modifier.PlayFootstep();
}
else
{
PlayFootstepSound(transform.GridPosition);
}
}
}
}
private static void HandleDirChange(ICommonSession session, Direction dir, bool state)
{
var playerSes = session as IPlayerSession;
if (!TryGetAttachedComponent(playerSes, out IMoverComponent moverComp))
return;
var owner = playerSes?.AttachedEntity;
if (owner != null)
{
foreach (var comp in owner.GetAllComponents<IRelayMoveInput>())
{
comp.MoveInputPressed(playerSes);
}
}
moverComp.SetVelocityDirection(dir, state);
}
private static void HandleRunChange(ICommonSession session, bool running)
{
if (!TryGetAttachedComponent(session as IPlayerSession, out PlayerInputMoverComponent moverComp))
return;
moverComp.Sprinting = running;
}
private static bool TryGetAttachedComponent<T>(IPlayerSession session, out T component)
where T : IComponent
{
component = default;
var ent = session.AttachedEntity;
if (ent == null || !ent.IsValid())
return false;
if (!ent.TryGetComponent(out T comp))
return false;
component = comp;
return true;
}
private void PlayFootstepSound(GridCoordinates coordinates)
{
// Step one: figure out sound collection prototype.
var grid = _mapManager.GetGrid(coordinates.GridID);
var tile = grid.GetTileRef(coordinates);
// If the coordinates have a catwalk, it's always catwalk.
string soundCollectionName;
var catwalk = false;
foreach (var maybeCatwalk in grid.GetSnapGridCell(tile.GridIndices, SnapGridOffset.Center))
{
if (maybeCatwalk.Owner.HasComponent<CatwalkComponent>())
{
catwalk = true;
break;
}
}
if (catwalk)
{
// Catwalk overrides tile sound.s
soundCollectionName = "footstep_catwalk";
}
else
{
// Walking on a tile.
var def = (ContentTileDefinition)_tileDefinitionManager[tile.Tile.TypeId];
if (def.FootstepSounds == null)
{
// Nothing to play, oh well.
return;
}
soundCollectionName = def.FootstepSounds;
}
// Ok well we know the position of the
try
{
var soundCollection = _prototypeManager.Index<SoundCollectionPrototype>(soundCollectionName);
var file = _robustRandom.Pick(soundCollection.PickFiles);
_audioSystem.Play(file, coordinates);
}
catch (UnknownPrototypeException)
{
// Shouldn't crash over a sound
Logger.ErrorS("sound", $"Unable to find sound collection for {soundCollectionName}");
}
}
}
}