Physics (#3452)
* Content side new physics structure * BroadPhase outline done * But we need to fix WorldAABB * Fix static pvs AABB * Fix import * Rando fixes * B is for balloon * Change human mob hitbox to circle * Decent movement * Start adding friction to player controller I think it's the best way to go about it to keep other objects somewhat consistent for physics. * This baby can fit so many physics bugs in it. * Slight mob mover optimisations. * Player mover kinda works okay. * Beginnings of testbed * More testbed * Circlestack bed * Namespaces * BB fixes * Pull WorldAABB * Joint pulling * Semi-decent movement I guess. * Pulling better * Bullet controller + old movement * im too dumb for this shit * Use kinematic mob controller again It's probably for the best TBH * Stashed shitcode * Remove SlipController * In which movement code is entirely refactored * Singularity fix * Fix ApplyLinearImpulse * MoveRelay fix * Fix door collisions * Disable subfloor collisions Saves on broadphase a fair bit * Re-implement ClimbController * Zumzum's pressure * Laggy item throwing * Minor atmos change * Some caching * Optimise controllers * Optimise CollideWith to hell and back * Re-do throwing and tile friction * Landing too * Optimise controllers * Move CCVars and other stuff swept is beautiful * Cleanup a bunch of controllers * Fix shooting and high pressure movement controller * Flashing improvements * Stuff and things * Combat collisions * Combat mode collisions * Pulling distance joint again * Cleanup physics interfaces * More like scuffedularity * Shit's fucked * Haha tests go green * Bigmoneycrab Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>
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metalgearsloth
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#nullable enable
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using Content.Server.GameObjects.Components.GUI;
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using Content.Server.GameObjects.Components.Items.Storage;
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using Content.Server.GameObjects.Components.Mobs;
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using Content.Server.GameObjects.Components.Sound;
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using Content.Shared.Audio;
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using Content.Shared.GameObjects.Components.Inventory;
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using Content.Shared.GameObjects.Components.Movement;
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using Content.Shared.GameObjects.Components.Tag;
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using Content.Shared.GameObjects.EntitySystems;
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using Content.Shared.Maps;
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using Content.Shared.Physics;
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using JetBrains.Annotations;
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using Robust.Server.GameObjects;
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using Robust.Shared.Audio;
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using Robust.Shared.GameObjects;
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using Robust.Shared.IoC;
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using Robust.Shared.Log;
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using Robust.Shared.Map;
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using Robust.Shared.Prototypes;
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using Robust.Shared.Random;
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namespace Content.Server.GameObjects.EntitySystems
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{
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[UsedImplicitly]
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internal class MoverSystem : SharedMoverSystem
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{
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[Dependency] private readonly IPrototypeManager _prototypeManager = default!;
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[Dependency] private readonly ITileDefinitionManager _tileDefinitionManager = default!;
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[Dependency] private readonly IMapManager _mapManager = default!;
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[Dependency] private readonly IRobustRandom _robustRandom = default!;
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private AudioSystem _audioSystem = default!;
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private const float StepSoundMoveDistanceRunning = 2;
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private const float StepSoundMoveDistanceWalking = 1.5f;
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/// <inheritdoc />
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<PlayerDetachedSystemMessage>(PlayerDetached);
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_audioSystem = EntitySystemManager.GetEntitySystem<AudioSystem>();
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UpdatesBefore.Add(typeof(PhysicsSystem));
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}
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public override void Update(float frameTime)
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{
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foreach (var (moverComponent, collidableComponent) in EntityManager.ComponentManager
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.EntityQuery<IMoverComponent, IPhysicsComponent>(false))
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{
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var entity = moverComponent.Owner;
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UpdateKinematics(entity.Transform, moverComponent, collidableComponent);
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}
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}
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private void PlayerDetached(PlayerDetachedSystemMessage ev)
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{
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if (ev.Entity.TryGetComponent(out IPhysicsComponent? physics) &&
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physics.TryGetController(out MoverController controller) &&
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!ev.Entity.IsWeightless())
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{
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controller.StopMoving();
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}
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}
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protected override void HandleFootsteps(IMoverComponent mover)
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{
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var transform = mover.Owner.Transform;
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// Handle footsteps.
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if (_mapManager.GridExists(mover.LastPosition.GetGridId(EntityManager)))
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{
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// Can happen when teleporting between grids.
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if (!transform.Coordinates.TryDistance(EntityManager, mover.LastPosition, out var distance))
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{
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mover.LastPosition = transform.Coordinates;
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return;
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}
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mover.StepSoundDistance += distance;
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}
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mover.LastPosition = transform.Coordinates;
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float distanceNeeded;
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if (mover.Sprinting)
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{
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distanceNeeded = StepSoundMoveDistanceRunning;
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}
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else
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{
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distanceNeeded = StepSoundMoveDistanceWalking;
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}
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if (mover.StepSoundDistance > distanceNeeded)
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{
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mover.StepSoundDistance = 0;
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if (!mover.Owner.HasTag("FootstepSound"))
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{
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return;
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}
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if (mover.Owner.TryGetComponent<InventoryComponent>(out var inventory)
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&& inventory.TryGetSlotItem<ItemComponent>(EquipmentSlotDefines.Slots.SHOES, out var item)
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&& item.Owner.TryGetComponent<FootstepModifierComponent>(out var modifier))
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{
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modifier.PlayFootstep();
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}
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else
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{
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PlayFootstepSound(transform.Coordinates, mover.Sprinting);
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}
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}
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}
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private void PlayFootstepSound(EntityCoordinates coordinates, bool sprinting)
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{
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// Step one: figure out sound collection prototype.
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var grid = _mapManager.GetGrid(coordinates.GetGridId(EntityManager));
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var tile = grid.GetTileRef(coordinates);
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// If the coordinates have a FootstepModifier component
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// i.e. component that emit sound on footsteps emit that sound
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string? soundCollectionName = null;
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foreach (var maybeFootstep in grid.GetSnapGridCell(tile.GridIndices, SnapGridOffset.Center))
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{
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if (maybeFootstep.Owner.TryGetComponent(out FootstepModifierComponent? footstep))
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{
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soundCollectionName = footstep._soundCollectionName;
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break;
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}
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}
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// if there is no FootstepModifierComponent, determine sound based on tiles
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if (soundCollectionName == null)
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{
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// Walking on a tile.
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var def = (ContentTileDefinition) _tileDefinitionManager[tile.Tile.TypeId];
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if (def.FootstepSounds == null)
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{
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// Nothing to play, oh well.
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return;
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}
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soundCollectionName = def.FootstepSounds;
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}
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// Ok well we know the position of the
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try
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{
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var soundCollection = _prototypeManager.Index<SoundCollectionPrototype>(soundCollectionName);
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var file = _robustRandom.Pick(soundCollection.PickFiles);
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_audioSystem.PlayAtCoords(file, coordinates, sprinting ? AudioParams.Default.WithVolume(0.75f) : null);
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}
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catch (UnknownPrototypeException)
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{
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// Shouldn't crash over a sound
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Logger.ErrorS("sound", $"Unable to find sound collection for {soundCollectionName}");
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}
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}
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}
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}
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