tommy/tbd-station-14
2
1
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Reduce puddle tile friction (#16375)

Browse Source
This commit is contained in:
metalgearsloth
2023-05-14 01:45:53 +10:00
committed by GitHub
parent 8d03d25f27
commit cb7f73927d
8 changed files with 76 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

100
Content.Shared/Friction/TileFrictionController.cs
View File

@@ -20,7 +20,7 @@ namespace Content.Shared.Friction
{
public sealed class TileFrictionController : VirtualController
{
[Dependency] private readonly IMapManager _mapManager = default!;
[Dependency] private readonly IConfigurationManager _configManager = default!;
[Dependency] private readonly ITileDefinitionManager _tileDefinitionManager = default!;
[Dependency] private readonly SharedGravitySystem _gravity = default!;
[Dependency] private readonly SharedMoverController _mover = default!;
@@ -28,30 +28,14 @@ namespace Content.Shared.Friction
private float _stopSpeed;
private float _frictionModifier;
private const float DefaultFriction = 0.3f;
public const float DefaultFriction = 0.3f;
public override void Initialize()
{
base.Initialize();
var configManager = IoCManager.Resolve<IConfigurationManager>();
configManager.OnValueChanged(CCVars.TileFrictionModifier, SetFrictionModifier, true);
configManager.OnValueChanged(CCVars.StopSpeed, SetStopSpeed, true);
SubscribeLocalEvent<TileFrictionModifierComponent, ComponentGetState>(OnGetState);
SubscribeLocalEvent<TileFrictionModifierComponent, ComponentHandleState>(OnHandleState);
}
private void OnHandleState(EntityUid uid, TileFrictionModifierComponent component, ref ComponentHandleState args)
{
if (args.Current is not TileFrictionComponentState tileState) return;
component.Modifier = tileState.Modifier;
}
private void OnGetState(EntityUid uid, TileFrictionModifierComponent component, ref ComponentGetState args)
{
args.State = new TileFrictionComponentState(component.Modifier);
_configManager.OnValueChanged(CCVars.TileFrictionModifier, SetFrictionModifier, true);
_configManager.OnValueChanged(CCVars.StopSpeed, SetStopSpeed, true);
}
private void SetStopSpeed(float value) => _stopSpeed = value;
@@ -61,10 +45,9 @@ namespace Content.Shared.Friction
public override void Shutdown()
{
base.Shutdown();
var configManager = IoCManager.Resolve<IConfigurationManager>();
configManager.UnsubValueChanged(CCVars.TileFrictionModifier, SetFrictionModifier);
configManager.UnsubValueChanged(CCVars.StopSpeed, SetStopSpeed);
_configManager.UnsubValueChanged(CCVars.TileFrictionModifier, SetFrictionModifier);
_configManager.UnsubValueChanged(CCVars.StopSpeed, SetStopSpeed);
}
public override void UpdateBeforeMapSolve(bool prediction, PhysicsMapComponent mapComponent, float frameTime)
@@ -75,6 +58,7 @@ namespace Content.Shared.Friction
var xformQuery = GetEntityQuery<TransformComponent>();
var pullerQuery = GetEntityQuery<SharedPullerComponent>();
var pullableQuery = GetEntityQuery<SharedPullableComponent>();
var gridQuery = GetEntityQuery<MapGridComponent>();
foreach (var body in mapComponent.AwakeBodies)
{
@@ -97,7 +81,7 @@ namespace Content.Shared.Friction
continue;
}
var surfaceFriction = GetTileFriction(uid, body, xform);
var surfaceFriction = GetTileFriction(uid, body, xform, gridQuery, frictionQuery);
var bodyModifier = 1f;
if (frictionQuery.TryGetComponent(uid, out var frictionComp))
@@ -130,7 +114,8 @@ namespace Content.Shared.Friction
{
var speed = body.LinearVelocity.Length;
if (speed <= 0.0f) return;
if (speed <= 0.0f)
return;
// This is the *actual* amount that speed will drop by, we just do some multiplication around it to be easier.
var drop = 0.0f;
@@ -161,7 +146,8 @@ namespace Content.Shared.Friction
{
var speed = MathF.Abs(body.AngularVelocity);
if (speed <= 0.0f) return;
if (speed <= 0.0f)
return;
// This is the *actual* amount that speed will drop by, we just do some multiplication around it to be easier.
var drop = 0.0f;
@@ -189,42 +175,58 @@ namespace Content.Shared.Friction
}
[Pure]
private float GetTileFriction(EntityUid uid, PhysicsComponent body, TransformComponent xform)
private float GetTileFriction(
EntityUid uid,
PhysicsComponent body,
TransformComponent xform,
EntityQuery<MapGridComponent> gridQuery,
EntityQuery<TileFrictionModifierComponent> frictionQuery)
{
// TODO: Make IsWeightless event-based; we already have grid traversals tracked so just raise events
if (_gravity.IsWeightless(uid, body, xform))
return 0.0f;
if (!xform.Coordinates.IsValid(EntityManager)) return 0.0f;
if (!xform.Coordinates.IsValid(EntityManager))
return 0.0f;
if (_mapManager.TryGetGrid(xform.GridUid, out var grid))
// If not on a grid then return the map's friction.
if (!gridQuery.TryGetComponent(xform.GridUid, out var grid))
{
var tile = grid.GetTileRef(xform.Coordinates);
// If it's a map but on an empty tile then just assume it has gravity.
if (tile.Tile.IsEmpty &&
HasComp<MapComponent>(xform.GridUid) &&
(!TryComp<GravityComponent>(xform.GridUid, out var gravity) || gravity.Enabled))
{
return DefaultFriction;
}
var tileDef = _tileDefinitionManager[tile.Tile.TypeId];
return tileDef.Friction;
return frictionQuery.TryGetComponent(xform.MapUid, out var friction)
? friction.Modifier
: DefaultFriction;
}
return TryComp<TileFrictionModifierComponent>(xform.MapUid, out var friction) ? friction.Modifier : DefaultFriction;
var tile = grid.GetTileRef(xform.Coordinates);
// If it's a map but on an empty tile then just assume it has gravity.
if (tile.Tile.IsEmpty &&
HasComp<MapComponent>(xform.GridUid) &&
(!TryComp<GravityComponent>(xform.GridUid, out var gravity) || gravity.Enabled))
{
return DefaultFriction;
}
// If there's an anchored ent that modifies friction then fallback to that instead.
var anc = grid.GetAnchoredEntitiesEnumerator(tile.GridIndices);
while (anc.MoveNext(out var tileEnt))
{
if (frictionQuery.TryGetComponent(tileEnt, out var friction))
return friction.Modifier;
}
var tileDef = _tileDefinitionManager[tile.Tile.TypeId];
return tileDef.Friction;
}
[NetSerializable, Serializable]
private sealed class TileFrictionComponentState : ComponentState
public void SetModifier(EntityUid entityUid, float value, TileFrictionModifierComponent? friction = null)
{
public float Modifier;
if (!Resolve(entityUid, ref friction) || value.Equals(friction.Modifier))
return;
public TileFrictionComponentState(float modifier)
{
Modifier = modifier;
}
friction.Modifier = value;
Dirty(friction);
}
}
}