From ea9a2ed9b9698d891769fa8598b8262aad97ed77 Mon Sep 17 00:00:00 2001
From: Tom Barham <me@cpdt.dev>
Date: Tue, 22 Feb 2022 08:33:50 +1000
Subject: Advanced chat: custom messages and client hooks (#217)

Co-authored-by: EmmaM <27428383+emma-miler@users.noreply.github.com>
---
 .../mod/scripts/vscripts/_chat.gnut                | 51 ++++++++++++++++++++++
 .../scripts/vscripts/_custom_codecallbacks.gnut    | 38 +++++++++++-----
 2 files changed, 77 insertions(+), 12 deletions(-)
 create mode 100644 Northstar.CustomServers/mod/scripts/vscripts/_chat.gnut

(limited to 'Northstar.CustomServers/mod')

diff --git a/Northstar.CustomServers/mod/scripts/vscripts/_chat.gnut b/Northstar.CustomServers/mod/scripts/vscripts/_chat.gnut
new file mode 100644
index 00000000..97ed959c
--- /dev/null
+++ b/Northstar.CustomServers/mod/scripts/vscripts/_chat.gnut
@@ -0,0 +1,51 @@
+untyped
+globalize_all_functions
+
+enum eChatMessageType
+{
+    CHAT = 1,
+    WHISPER = 2
+}
+
+// Displays a chat message as if the player sent it.
+void function Chat_Impersonate(entity player, string text, bool isTeamChat) {
+    NSSendMessage(player.GetPlayerIndex(), text, isTeamChat)
+}
+
+// Sends a whisper message from one player that is only shown to another. Will be shown as a whisper if whisper is set.
+void function Chat_PrivateMessage(entity fromPlayer, entity toPlayer, string text, bool whisper) {
+    NSBroadcastMessage(
+        fromPlayer.GetPlayerIndex(),
+        toPlayer.GetPlayerIndex(),
+        text,
+        false,
+        false,
+        whisper ? eChatMessageType.WHISPER : eChatMessageType.CHAT
+    )
+}
+
+// Broadcasts a message from the server to all players.
+void function Chat_ServerBroadcast(string text)
+{
+    NSBroadcastMessage(
+        -1,
+        -1,
+        text,
+        false,
+        false,
+        eChatMessageType.CHAT
+    )
+}
+
+// Sends a message from the server to one player. Will be shown as a whisper if whisper is set.
+void function Chat_ServerPrivateMessage(entity toPlayer, string text, bool whisper)
+{
+    NSBroadcastMessage(
+        -1,
+        toPlayer.GetPlayerIndex(),
+        text,
+        false,
+        false,
+        whisper ? eChatMessageType.WHISPER : eChatMessageType.CHAT
+    )
+}
diff --git a/Northstar.CustomServers/mod/scripts/vscripts/_custom_codecallbacks.gnut b/Northstar.CustomServers/mod/scripts/vscripts/_custom_codecallbacks.gnut
index 7f102f6e..9e46f99a 100644
--- a/Northstar.CustomServers/mod/scripts/vscripts/_custom_codecallbacks.gnut
+++ b/Northstar.CustomServers/mod/scripts/vscripts/_custom_codecallbacks.gnut
@@ -1,11 +1,12 @@
 untyped
 
-globalize_all_functions
+global function AddCallback_OnReceivedSayTextMessage
+global function NSSetupChathooksServer
 
 global struct ClServer_MessageStruct {
 	string message
 	entity player
-	int channelId
+	bool isTeam
 	bool shouldBlock
 }
 
@@ -13,32 +14,45 @@ struct {
 	array< ClServer_MessageStruct functionref( ClServer_MessageStruct ) > OnReceivedSayTextMessageCallbacks
 } NsCustomCallbacks
 
-void function CServerGameDLL_ProcessMessageStartThread()
+void function CServerGameDLL_ProcessMessageStartThread(int playerIndex, string message, bool isTeam)
 {
-	thread CServerGameDLL_OnReceivedSayTextMessageCallback()
+	thread CServerGameDLL_OnReceivedSayTextMessageCallback(playerIndex, message, isTeam)
 }
 
-void function CServerGameDLL_OnReceivedSayTextMessageCallback()
+void function CServerGameDLL_OnReceivedSayTextMessageCallback(int playerIndex, string message, bool isTeam)
 {
+	entity player = GetPlayerByIndex(playerIndex)
+	if (player == null) {
+		print("Ignored chat message from invalid player index " + playerIndex + ": " + message)
+		return
+	}
+
 	ClServer_MessageStruct localMessage
-	localMessage.message =  NSChatGetCurrentMessage()
-	localMessage.player = GetPlayerByIndex(NSChatGetCurrentPlayer())
-	localMessage.channelId = NSChatGetCurrentChannel()
+	localMessage.message = message
+	localMessage.player = player
+	localMessage.isTeam = isTeam
 	localMessage.shouldBlock = false
-
 	foreach ( callbackFunc in NsCustomCallbacks.OnReceivedSayTextMessageCallbacks )
 	{
 		ClServer_MessageStruct returnStruct = callbackFunc(localMessage)
 		localMessage.message = returnStruct.message
-		localMessage.player = returnStruct.player
-		localMessage.channelId = returnStruct.channelId
+		localMessage.isTeam = returnStruct.isTeam
 		localMessage.shouldBlock = localMessage.shouldBlock || returnStruct.shouldBlock
 	}
 
-	NSSetMessage(localMessage.message, localMessage.player.GetPlayerIndex(), localMessage.channelId, localMessage.shouldBlock)
+	if (localMessage.shouldBlock)
+	{
+		return
+	}
+
+	NSSendMessage(player.GetPlayerIndex(), localMessage.message, localMessage.isTeam)
 }
 
 void function AddCallback_OnReceivedSayTextMessage( ClServer_MessageStruct functionref (ClServer_MessageStruct) callbackFunc )
 {
 	NsCustomCallbacks.OnReceivedSayTextMessageCallbacks.append(callbackFunc)
+}
+
+void function NSSetupChathooksServer() {
+	getroottable().rawset("CServerGameDLL_ProcessMessageStartThread", CServerGameDLL_ProcessMessageStartThread)
 }
\ No newline at end of file
-- 
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