clean up a bit after change server settings/mods while hosting (#334)

* clean up change server settings/mods while hosting

* update discord activity when rehosting

* optimised lakitucam mod

mods/lakituCam.lua

@@ -1,6 +1,13 @@
 -- name: Visible Lakitu
 -- description: You can now see everyone's Lakitu camera like in the Mirror room.\n\nYou may use this code for your own mods.\n\nBy Isaac
 
+-- localized versions of globally defined functions exposed to C (that are used often), for performance
+local math_random, is_player_active, network_player_from_global_index, cur_obj_unhide, cur_obj_hide, cur_obj_angle_to_home, atan2s, cur_obj_lateral_dist_to_home, network_send_object =
+      math.random, is_player_active, network_player_from_global_index, cur_obj_unhide, cur_obj_hide, cur_obj_angle_to_home, atan2s, cur_obj_lateral_dist_to_home, network_send_object
+
+local l = gLakituState
+local npl = gNetworkPlayers[0]
+
 -- define our variables to hold the global id of each Lakitu's owner, and its blink timer
 define_custom_obj_fields({ oLakituOwner = 'u32', oLakituBlinkTimer = 's32' })
 
@@ -10,7 +17,7 @@ local boolToNumber = { [true] = 1, [false] = 0 }
 local function obj_update_blinking(o, timer, base, range, length)
     -- update our timer
     if timer > 0 then timer = timer - 1
-    else timer = base + (range * math.random()) end
+    else timer = base + (range * math_random()) end
 
     -- set Lakitu's blink state depending on what our timer is at
     o.oAnimState = boolToNumber[(timer <= length)]
@@ -98,16 +105,16 @@ local function bhv_custom_lakitu(o)
     end
 
     -- set the Lakitu position to the camera position of that player
-    o.oPosX = gLakituState.curPos.x
-    o.oPosY = gLakituState.curPos.y
-    o.oPosZ = gLakituState.curPos.z
+    o.oPosX = l.curPos.x
+    o.oPosY = l.curPos.y
+    o.oPosZ = l.curPos.z
 
     -- look at Mario
-    o.oHomeX = gLakituState.curFocus.x
-    o.oHomeZ = gLakituState.curFocus.z
+    o.oHomeX = l.curFocus.x
+    o.oHomeZ = l.curFocus.z
 
     o.oFaceAngleYaw = cur_obj_angle_to_home()
-    o.oFaceAnglePitch = atan2s(cur_obj_lateral_dist_to_home(), o.oPosY - gLakituState.curFocus.y)
+    o.oFaceAnglePitch = atan2s(cur_obj_lateral_dist_to_home(), o.oPosY - l.curFocus.y)
 
     -- send the current state of our Lakitu to other players if the area sync is valild
     if is_current_area_sync_valid() then
@@ -122,7 +129,7 @@ local function update_lakitu()
     -- spawn Lakitu with our custom Lakitu behavior and the default Lakitu model; and mark it as a sync object
     spawn_sync_object(bhvPlayerLakitu, E_MODEL_LAKITU, 0, 0, 0, function(o)
         -- save the global id of the player that owns this Lakitu
-        o.oLakituOwner = gNetworkPlayers[0].globalIndex
+        o.oLakituOwner = npl.globalIndex
     end)
 end
 

src/pc/djui/djui_panel_host.c

@@ -108,9 +108,13 @@ void djui_panel_host_create(struct DjuiBase* caller) {
             snprintf(portString, 32, "%d", configHostPort);
             djui_inputbox_set_text(inputbox1, portString);
             djui_interactable_hook_value_change(&inputbox1->base, djui_panel_host_port_text_change);
+            if (gNetworkType == NT_SERVER) {
+                djui_base_set_enabled(&inputbox1->base, false);
 #ifdef DISCORD_SDK
+            } else {
                 djui_base_set_enabled(&inputbox1->base, DJUI_HOST_NS_IS_SOCKET);
 #endif
+            }
             sInputboxPort = inputbox1;
         }
         

src/pc/network/network.c

@@ -8,6 +8,7 @@
 #include "src/game/scroll_targets.h"
 #ifdef DISCORD_SDK
 #include "discord/discord.h"
+#include "discord/activity.h"
 #endif
 #include "pc/configfile.h"
 #include "pc/cheats.h"
@@ -62,7 +63,7 @@ u8 gDebugPacketOnBuffer = 0;
 u32 gNetworkStartupTimer = 0;
 u32 sNetworkReconnectTimer = 0;
 u32 sNetworkRehostTimer = 0;
-enum NetworkSystemType sNetworkReconnectType = NT_NONE;
+enum NetworkSystemType sNetworkReconnectType = NS_SOCKET;
 
 struct StringLinkedList gRegisteredMods = { 0 };
 
@@ -390,7 +391,7 @@ void network_reset_reconnect_and_rehost(void) {
     gNetworkStartupTimer = 0;
     sNetworkReconnectTimer = 0;
     sNetworkRehostTimer = 0;
-    sNetworkReconnectType = NT_NONE;
+    sNetworkReconnectType = NS_SOCKET;
     gDiscordReconnecting = false;
 }
 
@@ -453,6 +454,11 @@ static void network_rehost_update(void) {
 
     gDiscordReconnecting = true;
     djui_panel_do_host();
+#ifdef DISCORD_SDK
+    if (sNetworkReconnectType == NS_DISCORD) {
+        discord_activity_update(true);
+    }
+#endif
     gDiscordReconnecting = false;
 }