Allow server operators to set dropped CTF flag return time

README.md

@@ -156,6 +156,8 @@ Configuration example:
     $DF Spawn Health: 100
     // Initial player armor after spawn
     $DF Spawn Armor: 0
+    // Time before a dropped CTF flag will return to base in ms (default is same as stock RF - 25000)
+    $DF CTF Flag Return Time: 25000
     // Enable hit-sounds
     $DF Hitsounds: true
         // Sound used for hit notification

docs/CHANGELOG.md

@@ -44,6 +44,7 @@ Version 1.9.0 (not released yet)
 - Add level filename to "Level Initializing" console message
 - Properly handle WM_PAINT in dedicated server, may improve performance (DF bug)
 - Fix crash when `verify_level` command is run without a level being loaded
+- Add `$DF CTF Flag Return Time` option in dedicated server config
 
 Version 1.8.0 (released 2022-09-17)
 -----------------------------------

game_patch/multi/multi.cpp

@@ -3,8 +3,10 @@
 #include <winsock2.h>
 #include <patch_common/FunHook.h>
 #include <patch_common/CodeInjection.h>
+#include <patch_common/AsmWriter.h>
 #include "multi.h"
 #include "multi_private.h"
+#include "server_internal.h"
 #include "../misc/misc.h"
 #include "../rf/os/os.h"
 #include "../rf/os/timer.h"
@@ -335,6 +337,10 @@ void multi_do_patch()
     multi_limbo_init.install();
     multi_start_injection.install();
 
+    // Allow server to customize dropped flag return timer in ms
+    AsmWriter(0x00473B88).push(g_additional_server_config.ctf_flag_return_time_ms); // blue flag
+    AsmWriter(0x00473B28).push(g_additional_server_config.ctf_flag_return_time_ms); // red flag
+
     // Fix CTF flag not returning to the base if the other flag was returned when the first one was waiting
     ctf_flag_return_fix.install();
 

game_patch/multi/server.cpp

@@ -86,6 +86,10 @@ void load_additional_server_config(rf::Parser& parser)
         g_additional_server_config.spawn_armor = {parser.parse_float()};
     }
 
+    if (parser.parse_optional("$DF CTF Flag Return Time:")) {
+        g_additional_server_config.ctf_flag_return_time_ms = {parser.parse_int()};
+    }
+
     if (parser.parse_optional("$DF Hitsounds:")) {
         g_additional_server_config.hit_sounds.enabled = parser.parse_bool();
         if (parser.parse_optional("+Sound ID:")) {

game_patch/multi/server_internal.h

@@ -37,6 +37,7 @@ struct ServerAdditionalConfig
     int spawn_protection_duration_ms = 1500;
     std::optional<float> spawn_life;
     std::optional<float> spawn_armor;
+    int ctf_flag_return_time_ms = 25000;
     HitSoundsConfig hit_sounds;
     std::map<std::string, std::string> item_replacements;
     std::string default_player_weapon;