From 61f2079372726bf2ed1d2b7860f0f4f6d4f771c0 Mon Sep 17 00:00:00 2001
From: olebeck <31539311+olebeck@users.noreply.github.com>
Date: Thu, 25 Jul 2024 23:22:19 +0200
Subject: [PATCH] packet violation fix

---
 handlers/worlds/packets.go  | 34 +++++++++++++++++++++++++++++++++-
 handlers/worlds/world.go    |  2 +-
 ui/gui/popups/gatherings.go | 37 +++++++++++++++++++++----------------
 utils/proxy/context.go      |  4 ++++
 4 files changed, 59 insertions(+), 18 deletions(-)

diff --git a/handlers/worlds/packets.go b/handlers/worlds/packets.go
index 59d518e..c502392 100644
--- a/handlers/worlds/packets.go
+++ b/handlers/worlds/packets.go
@@ -37,12 +37,44 @@ func (w *worldsHandler) packetCB(_pk packet.Packet, toServer bool, timeReceived
 		switch pk := _pk.(type) {
 		case *packet.CompressedBiomeDefinitionList: // for client side generation, disabled by proxy
 			return nil, nil
+		case *packet.GameRulesChanged:
+			var haveGameRule = false
+			for i, gameRule := range pk.GameRules {
+				if gameRule.Name == "showCoordinates" {
+					haveGameRule = true
+					gameRule.Value = true
+					pk.GameRules[i] = gameRule
+					break
+				}
+			}
+			if !haveGameRule {
+				pk.GameRules = append(pk.GameRules, protocol.GameRule{
+					Name:  "showCoordinates",
+					Value: true,
+				})
+			}
 		case *packet.StartGame:
 			if !w.serverState.haveStartGame {
 				w.serverState.haveStartGame = true
 				w.currentWorld.SetTime(timeReceived, int(pk.Time))
 				w.serverState.useHashedRids = pk.UseBlockNetworkIDHashes
 
+				var haveGameRule = false
+				for i, gameRule := range pk.GameRules {
+					if gameRule.Name == "showCoordinates" {
+						haveGameRule = true
+						gameRule.Value = true
+						pk.GameRules[i] = gameRule
+						break
+					}
+				}
+				if !haveGameRule {
+					pk.GameRules = append(pk.GameRules, protocol.GameRule{
+						Name:  "showCoordinates",
+						Value: true,
+					})
+				}
+
 				w.serverState.blocks = world.DefaultBlockRegistry.Clone().(*world.BlockRegistryImpl)
 
 				world.InsertCustomItems(pk.Items)
@@ -128,7 +160,7 @@ func (w *worldsHandler) packetCB(_pk packet.Packet, toServer bool, timeReceived
 	switch pk := _pk.(type) {
 	case *packet.RequestChunkRadius:
 		pk.ChunkRadius = w.settings.ChunkRadius
-		pk.MaxChunkRadius = w.settings.ChunkRadius
+		//pk.MaxChunkRadius = w.settings.ChunkRadius
 
 	case *packet.ChunkRadiusUpdated:
 		w.serverState.radius = pk.ChunkRadius
diff --git a/handlers/worlds/world.go b/handlers/worlds/world.go
index a854a1d..837c64e 100644
--- a/handlers/worlds/world.go
+++ b/handlers/worlds/world.go
@@ -103,7 +103,7 @@ func NewWorldsHandler(settings WorldSettings) *proxy.Handler {
 	})
 
 	if settings.ChunkRadius == 0 {
-		settings.ChunkRadius = 80
+		settings.ChunkRadius = 76
 	}
 
 	ctx, cancel := context.WithCancel(context.Background())
diff --git a/ui/gui/popups/gatherings.go b/ui/gui/popups/gatherings.go
index e4ea1ad..ee7e7e8 100644
--- a/ui/gui/popups/gatherings.go
+++ b/ui/gui/popups/gatherings.go
@@ -196,22 +196,27 @@ func (g *Gatherings) Layout(gtx C, th *material.Theme) D {
 						Button:       click,
 						CornerRadius: 8,
 					}
-					return b.Layout(gtx, func(gtx C) D {
-						return layout.UniformInset(8).Layout(gtx, func(gtx C) D {
-							return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
-								layout.Rigid(func(gtx C) D {
-									return material.Label(th, th.TextSize, gatheringName).Layout(gtx)
-								}),
-								layout.Rigid(func(gtx C) D {
-									var text string
-									if hasStarted {
-										text = fmt.Sprintf("Ends in %s", time.Until(end).Truncate(time.Second))
-									} else {
-										text = fmt.Sprintf("Starts in %s", time.Until(start).Truncate(time.Second))
-									}
-									return material.Label(th, th.TextSize, text).Layout(gtx)
-								}),
-							)
+
+					return layout.Inset{
+						Bottom: 8,
+					}.Layout(gtx, func(gtx layout.Context) layout.Dimensions {
+						return b.Layout(gtx, func(gtx C) D {
+							return layout.UniformInset(8).Layout(gtx, func(gtx C) D {
+								return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
+									layout.Rigid(func(gtx C) D {
+										return material.Label(th, th.TextSize, gatheringName).Layout(gtx)
+									}),
+									layout.Rigid(func(gtx C) D {
+										var text string
+										if hasStarted {
+											text = fmt.Sprintf("Ends in %s", time.Until(end).Truncate(time.Second))
+										} else {
+											text = fmt.Sprintf("Starts in %s", time.Until(start).Truncate(time.Second))
+										}
+										return material.Label(th, th.TextSize, text).Layout(gtx)
+									}),
+								)
+							})
 						})
 					})
 				})
diff --git a/utils/proxy/context.go b/utils/proxy/context.go
index 6274f1d..7a2e554 100644
--- a/utils/proxy/context.go
+++ b/utils/proxy/context.go
@@ -147,6 +147,10 @@ func (p *Context) Run(ctx context.Context, connect *utils.ConnectInfo) (err erro
 			return nil
 		},
 		PacketCallback: func(pk packet.Packet, toServer bool, timeReceived time.Time, preLogin bool) (packet.Packet, error) {
+			if pk, ok := pk.(*packet.PacketViolationWarning); ok {
+				logrus.Infof("%+#v\n", pk)
+			}
+
 			haveMoved := p.session.Player.handlePackets(pk)
 			if haveMoved {
 				for _, cb := range p.PlayerMoveCB {