make $exit work without a quest loaded on most versions

src/ChatCommands.cc

@@ -908,24 +908,41 @@ ChatCommandDefinition cc_exit(
     {"$exit"},
     +[](const ServerArgs& a) {
       auto l = a.c->require_lobby();
-      if (l->is_game()) {
+      if (!l->is_game()) {
-        if (l->check_flag(Lobby::Flag::QUEST_IN_PROGRESS) || l->check_flag(Lobby::Flag::JOINABLE_QUEST_IN_PROGRESS)) {
+        // Client is in the lobby; send them to the login server (main menu)
-          G_UnusedHeader cmd = {0x73, 0x01, 0x0000};
-          a.c->channel.send(0x60, 0x00, cmd);
-          a.c->floor = 0;
-        } else if (is_ep3(a.c->version())) {
-          a.c->channel.send(0xED, 0x00);
-        } else {
-          throw precondition_failed("$C6You must return to\nthe lobby first");
-        }
-      } else {
         send_self_leave_notification(a.c);
         if (!a.c->config.check_flag(Client::Flag::NO_D6)) {
           send_message_box(a.c, "");
         }
-
         send_client_to_login_server(a.c);
+        return;
       }
+      if (is_ep3(a.c->version())) {
+        // Client is on Ep3; command ED triggers game exit
+        a.c->channel.send(0xED, 0x00);
+        return;
+      }
+      if (l->check_flag(Lobby::Flag::QUEST_IN_PROGRESS) || l->check_flag(Lobby::Flag::JOINABLE_QUEST_IN_PROGRESS)) {
+        // Client is in a quest; command 6x73 triggers game exit
+        G_UnusedHeader cmd = {0x73, 0x01, 0x0000};
+        a.c->channel.send(0x60, 0x00, cmd);
+        a.c->floor = 0;
+        return;
+      }
+      if (a.c->config.check_flag(Client::Flag::HAS_SEND_FUNCTION_CALL) &&
+          a.c->config.check_flag(Client::Flag::SEND_FUNCTION_CALL_ACTUALLY_RUNS_CODE)) {
+        auto s = a.c->require_server_state();
+        shared_ptr<const CompiledFunctionCode> fn;
+        try {
+          fn = s->function_code_index->get_patch("ExitAnywhere", a.c->config.specific_version);
+        } catch (const out_of_range&) {
+        }
+        if (fn) {
+          send_function_call(a.c, fn);
+          return;
+        }
+      }
+      throw precondition_failed("$C6You must return to\nthe lobby first");
     },
     +[](const ProxyArgs& a) {
       if (a.ses->is_in_game) {

system/client-functions/ExitAnywhere/ExitAnywhere.2OEF.patch.s

@@ -0,0 +1,26 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  mov     r2, 0
+  mova    r0, [addrs]
+  mov.l   r1, [r0]
+  mov.l   [r1], r2
+  mov.l   r1, [r0 + 4]
+  mov.l   [r1], r2
+  mov     r2, 1
+  mov.l   r1, [r0 + 8]
+  rets
+  mov.w   [r1], r2
+  .align  4
+addrs:
+  .data   0x8C4ED300
+  .data   0x8C4ED344
+  .data   0x8C4E8D88

system/client-functions/ExitAnywhere/ExitAnywhere.2OJ5.patch.s

@@ -0,0 +1,26 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  mov     r2, 0
+  mova    r0, [addrs]
+  mov.l   r1, [r0]
+  mov.l   [r1], r2
+  mov.l   r1, [r0 + 4]
+  mov.l   [r1], r2
+  mov     r2, 1
+  mov.l   r1, [r0 + 8]
+  rets
+  mov.w   [r1], r2
+  .align  4
+addrs:
+  .data   0x8C4ED300
+  .data   0x8C4ED344
+  .data   0x8C4E8D88

system/client-functions/ExitAnywhere/ExitAnywhere.2OJF.patch.s

@@ -0,0 +1,26 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  mov     r2, 0
+  mova    r0, [addrs]
+  mov.l   r1, [r0]
+  mov.l   [r1], r2
+  mov.l   r1, [r0 + 4]
+  mov.l   [r1], r2
+  mov     r2, 1
+  mov.l   r1, [r0 + 8]
+  rets
+  mov.w   [r1], r2
+  .align  4
+addrs:
+  .data   0x8C4E6DA0
+  .data   0x8C4E6DE4
+  .data   0x8C4E2828

system/client-functions/ExitAnywhere/ExitAnywhere.2OPF.patch.s

@@ -0,0 +1,26 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  mov     r2, 0
+  mova    r0, [addrs]
+  mov.l   r1, [r0]
+  mov.l   [r1], r2
+  mov.l   r1, [r0 + 4]
+  mov.l   [r1], r2
+  mov     r2, 1
+  mov.l   r1, [r0 + 8]
+  rets
+  mov.w   [r1], r2
+  .align  4
+addrs:
+  .data   0x8C4DC800
+  .data   0x8C4DC844
+  .data   0x8C4D8288

system/client-functions/ExitAnywhere/ExitAnywhere.3OE0.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  li     r0, 0
+  stw    [r13 - 0x4748], r0
+  stw    [r13 - 0x4744], r0
+  li     r0, 1
+  sth    [r13 - 0x4938], r0
+  blr

system/client-functions/ExitAnywhere/ExitAnywhere.3OE1.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  li     r0, 0
+  stw    [r13 - 0x4748], r0
+  stw    [r13 - 0x4744], r0
+  li     r0, 1
+  sth    [r13 - 0x4938], r0
+  blr

system/client-functions/ExitAnywhere/ExitAnywhere.3OE2.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  li     r0, 0
+  stw    [r13 - 0x4728], r0
+  stw    [r13 - 0x4724], r0
+  li     r0, 1
+  sth    [r13 - 0x4918], r0
+  blr

system/client-functions/ExitAnywhere/ExitAnywhere.3OJ2.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  li     r0, 0
+  stw    [r13 - 0x4760], r0
+  stw    [r13 - 0x475C], r0
+  li     r0, 1
+  sth    [r13 - 0x4950], r0
+  blr

system/client-functions/ExitAnywhere/ExitAnywhere.3OJ3.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  li     r0, 0
+  stw    [r13 - 0x4758], r0
+  stw    [r13 - 0x4754], r0
+  li     r0, 1
+  sth    [r13 - 0x4948], r0
+  blr

system/client-functions/ExitAnywhere/ExitAnywhere.3OJ4.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  li     r0, 0
+  stw    [r13 - 0x4738], r0
+  stw    [r13 - 0x4734], r0
+  li     r0, 1
+  sth    [r13 - 0x4928], r0
+  blr

system/client-functions/ExitAnywhere/ExitAnywhere.3OJ5.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  li     r0, 0
+  stw    [r13 - 0x4738], r0
+  stw    [r13 - 0x4734], r0
+  li     r0, 1
+  sth    [r13 - 0x4928], r0
+  blr

system/client-functions/ExitAnywhere/ExitAnywhere.3OP0.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  li     r0, 0
+  stw    [r13 - 0x46E8], r0
+  stw    [r13 - 0x46E4], r0
+  li     r0, 1
+  sth    [r13 - 0x48D8], r0
+  blr

system/client-functions/ExitAnywhere/ExitAnywhere.4OED.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  xor    eax, eax
+  mov    [0x00632934], eax  # is_in_quest = false
+  mov    [0x00632930], eax  # dat_source_type = NONE
+  inc    eax
+  mov    [0x00723F88], ax  # should_leave_game = true
+  ret

system/client-functions/ExitAnywhere/ExitAnywhere.4OEU.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  xor    eax, eax
+  mov    [0x006321CC], eax  # is_in_quest = false
+  mov    [0x006321C8], eax  # dat_source_type = NONE
+  inc    eax
+  mov    [0x00723808], ax  # should_leave_game = true
+  ret

system/client-functions/ExitAnywhere/ExitAnywhere.4OJB.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  xor    eax, eax
+  mov    [0x0062D374], eax  # is_in_quest = false
+  mov    [0x0062D370], eax  # dat_source_type = NONE
+  inc    eax
+  mov    [0x0071E8E8], ax  # should_leave_game = true
+  ret

system/client-functions/ExitAnywhere/ExitAnywhere.4OJD.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  xor    eax, eax
+  mov    [0x0062D914], eax  # is_in_quest = false
+  mov    [0x0062D910], eax  # dat_source_type = NONE
+  inc    eax
+  mov    [0x0071EF48], ax  # should_leave_game = true
+  ret

system/client-functions/ExitAnywhere/ExitAnywhere.4OJU.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  xor    eax, eax
+  mov    [0x0063544C], eax  # is_in_quest = false
+  mov    [0x00635448], eax  # dat_source_type = NONE
+  inc    eax
+  mov    [0x00726A88], ax  # should_leave_game = true
+  ret

system/client-functions/ExitAnywhere/ExitAnywhere.4OPD.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  xor    eax, eax
+  mov    [0x00632934], eax  # is_in_quest = false
+  mov    [0x00632930], eax  # dat_source_type = NONE
+  inc    eax
+  mov    [0x00723F88], ax  # should_leave_game = true
+  ret

system/client-functions/ExitAnywhere/ExitAnywhere.4OPU.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  xor    eax, eax
+  mov    [0x00632CCC], eax  # is_in_quest = false
+  mov    [0x00632CC8], eax  # dat_source_type = NONE
+  inc    eax
+  mov    [0x00724308], ax  # should_leave_game = true
+  ret

system/client-functions/ExitAnywhere/ExitAnywhere.59NL.patch.s

@@ -0,0 +1,17 @@
+# This function implements $exit in a game when no quest is loaded.
+
+.meta name="Exit anywhere"
+.meta description=""
+.meta hide_from_patches_menu
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  xor    eax, eax
+  mov    [0x00A95624], eax  # is_in_quest = false
+  mov    [0x00A955E0], eax  # dat_source_type = NONE
+  inc    eax
+  mov    [0x00AAE6D4], ax  # should_leave_game = true
+  ret