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Holopad networking rework #34112

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merged 7 commits into from
Jan 17, 2025
+92 −252
Merged

Holopad networking rework #34112

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ab5fc36
Initial commit
chromiumboy Dec 28, 2024
3ded436
Finalizing main changes
chromiumboy Dec 29, 2024
b582c5b
Addressed reviews
chromiumboy Jan 14, 2025
6c67a98
Merge branch 'master' of https://github.com/space-wizards/space-stati…
chromiumboy Jan 14, 2025
f951d2d
Fixed a few issues
chromiumboy Jan 14, 2025
9b3ef33
Switched to using global overrides
chromiumboy Jan 17, 2025
9cde028
Removed unnecessary references
chromiumboy Jan 17, 2025
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135 changes: 47 additions & 88 deletions Content.Client/Holopad/HolopadSystem.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,45 +2,38 @@
using Content.Shared.Holopad;
using Robust.Client.GameObjects;
using Robust.Client.Graphics;
using Robust.Client.Player;
using Robust.Shared.Prototypes;
using Robust.Shared.Timing;
using System.Linq;
using DrawDepth = Content.Shared.DrawDepth.DrawDepth;

namespace Content.Client.Holopad;

public sealed class HolopadSystem : SharedHolopadSystem
{
[Dependency] private readonly IPrototypeManager _prototypeManager = default!;
[Dependency] private readonly IPlayerManager _playerManager = default!;
[Dependency] private readonly IGameTiming _timing = default!;

public override void Initialize()
{
base.Initialize();

SubscribeLocalEvent<HolopadHologramComponent, ComponentInit>(OnComponentInit);
SubscribeLocalEvent<HolopadHologramComponent, ComponentStartup>(OnComponentStartup);
SubscribeLocalEvent<HolopadHologramComponent, BeforePostShaderRenderEvent>(OnShaderRender);
SubscribeAllEvent<TypingChangedEvent>(OnTypingChanged);

SubscribeNetworkEvent<PlayerSpriteStateRequest>(OnPlayerSpriteStateRequest);
SubscribeNetworkEvent<PlayerSpriteStateMessage>(OnPlayerSpriteStateMessage);
}

private void OnComponentInit(EntityUid uid, HolopadHologramComponent component, ComponentInit ev)
private void OnComponentStartup(Entity<HolopadHologramComponent> entity, ref ComponentStartup ev)
{
if (!TryComp<SpriteComponent>(uid, out var sprite))
return;

UpdateHologramSprite(uid);
UpdateHologramSprite(entity, entity.Comp.LinkedEntity);
}

private void OnShaderRender(EntityUid uid, HolopadHologramComponent component, BeforePostShaderRenderEvent ev)
private void OnShaderRender(Entity<HolopadHologramComponent> entity, ref BeforePostShaderRenderEvent ev)
{
if (ev.Sprite.PostShader == null)
return;

ev.Sprite.PostShader.SetParameter("t", (float)_timing.CurTime.TotalSeconds * component.ScrollRate);
UpdateHologramSprite(entity, entity.Comp.LinkedEntity);
}

private void OnTypingChanged(TypingChangedEvent ev, EntitySessionEventArgs args)
Expand All @@ -57,100 +50,66 @@ private void OnTypingChanged(TypingChangedEvent ev, EntitySessionEventArgs args)
RaiseNetworkEvent(netEv);
}

private void OnPlayerSpriteStateRequest(PlayerSpriteStateRequest ev)
private void UpdateHologramSprite(EntityUid hologram, EntityUid? target)
{
var targetPlayer = GetEntity(ev.TargetPlayer);
var player = _playerManager.LocalSession?.AttachedEntity;

// Ignore the request if received by a player who isn't the target
if (targetPlayer != player)
// Get required components
if (!TryComp<SpriteComponent>(hologram, out var hologramSprite) ||
!TryComp<HolopadHologramComponent>(hologram, out var holopadhologram))
return;

if (!TryComp<SpriteComponent>(player, out var playerSprite))
return;

var spriteLayerData = new List<PrototypeLayerData>();
// Remove all sprite layers
for (int i = hologramSprite.AllLayers.Count() - 1; i >= 0; i--)
hologramSprite.RemoveLayer(i);

if (playerSprite.Visible)
if (TryComp<SpriteComponent>(target, out var targetSprite))
{
// Record the RSI paths, state names and shader paramaters of all visible layers
for (int i = 0; i < playerSprite.AllLayers.Count(); i++)
// Use the target's holographic avatar (if available)
if (TryComp<HolographicAvatarComponent>(target, out var targetAvatar) &&
targetAvatar.LayerData != null)
{
if (!playerSprite.TryGetLayer(i, out var layer))
continue;

if (!layer.Visible ||
string.IsNullOrEmpty(layer.ActualRsi?.Path.ToString()) ||
string.IsNullOrEmpty(layer.State.Name))
continue;

var layerDatum = new PrototypeLayerData();
layerDatum.RsiPath = layer.ActualRsi.Path.ToString();
layerDatum.State = layer.State.Name;

if (layer.CopyToShaderParameters != null)
for (int i = 0; i < targetAvatar.LayerData.Length; i++)
{
var key = (string)layer.CopyToShaderParameters.LayerKey;

if (playerSprite.LayerMapTryGet(key, out var otherLayerIdx) &&
playerSprite.TryGetLayer(otherLayerIdx, out var otherLayer) &&
otherLayer.Visible)
{
layerDatum.MapKeys = new() { key };

layerDatum.CopyToShaderParameters = new PrototypeCopyToShaderParameters()
{
LayerKey = key,
ParameterTexture = layer.CopyToShaderParameters.ParameterTexture,
ParameterUV = layer.CopyToShaderParameters.ParameterUV
};
}
var layer = targetAvatar.LayerData[i];
hologramSprite.AddLayer(targetAvatar.LayerData[i], i);
}
}

spriteLayerData.Add(layerDatum);
// Otherwise copy the target's current physical appearance
else
{
hologramSprite.CopyFrom(targetSprite);
}
}

// Return the recorded data to the server
var evResponse = new PlayerSpriteStateMessage(ev.TargetPlayer, spriteLayerData.ToArray());
RaiseNetworkEvent(evResponse);
}

private void OnPlayerSpriteStateMessage(PlayerSpriteStateMessage ev)
{
UpdateHologramSprite(GetEntity(ev.SpriteEntity), ev.SpriteLayerData);
}

private void UpdateHologramSprite(EntityUid uid, PrototypeLayerData[]? layerData = null)
{
if (!TryComp<SpriteComponent>(uid, out var hologramSprite))
return;

if (!TryComp<HolopadHologramComponent>(uid, out var holopadhologram))
return;
// There is no target, display a default sprite instead (if available)
else
{
if (string.IsNullOrEmpty(holopadhologram.RsiPath) || string.IsNullOrEmpty(holopadhologram.RsiState))
return;

for (int i = hologramSprite.AllLayers.Count() - 1; i >= 0; i--)
hologramSprite.RemoveLayer(i);
var layer = new PrototypeLayerData();
layer.RsiPath = holopadhologram.RsiPath;
layer.State = holopadhologram.RsiState;

if (layerData == null || layerData.Length == 0)
{
layerData = new PrototypeLayerData[1];
layerData[0] = new PrototypeLayerData()
{
RsiPath = holopadhologram.RsiPath,
State = holopadhologram.RsiState
};
hologramSprite.AddLayer(layer);
}

for (int i = 0; i < layerData.Length; i++)
{
var layer = layerData[i];
layer.Shader = "unshaded";
// Override specific values
hologramSprite.Color = Color.White;
hologramSprite.Offset = holopadhologram.Offset;
hologramSprite.DrawDepth = (int)DrawDepth.Mobs;
hologramSprite.NoRotation = true;
hologramSprite.DirectionOverride = Direction.South;
hologramSprite.EnableDirectionOverride = true;

hologramSprite.AddLayer(layerData[i], i);
// Remove shading from all layers (except displacement maps)
for (int i = 0; i < hologramSprite.AllLayers.Count(); i++)
{
if (hologramSprite.TryGetLayer(i, out var layer) && layer.ShaderPrototype != "DisplacedStencilDraw")
hologramSprite.LayerSetShader(i, "unshaded");
}

UpdateHologramShader(uid, hologramSprite, holopadhologram);
UpdateHologramShader(hologram, hologramSprite, holopadhologram);
}

private void UpdateHologramShader(EntityUid uid, SpriteComponent sprite, HolopadHologramComponent holopadHologram)
Expand Down
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