fix secret sound playing incorrectly in Tihocan

README.md

@@ -32,6 +32,8 @@ Currently the following configuration options are supported:
   etc. (similar to TR2 style).
 - `fix_end_of_level_freeze`: fix game freeze when ending the level with the
   Action key held.
+- `fix_tihocan_secret_sound`: disable the secret sound incorrectly playing
+  during using the golden key in Tomb of Tihocan.
 
 ## Decompilation progress
 

TR1Main.json

@@ -7,5 +7,6 @@
     "enable_red_healthbar": true,
     "enable_enemy_healthbar": true,
     "enable_look_while_running": true,
-    "fix_end_of_level_freeze": true
+    "fix_end_of_level_freeze": true,
+    "fix_tihocan_secret_sound": true
 }

src/game/effects.c

@@ -1,16 +1,22 @@
 #include "data.h"
 #include "effects.h"
+#include "mod.h"
 
 void __cdecl FxChainBlock(ITEM_INFO* item)
 {
-    if (FlipTimer == 0) {
-        SoundEffect(173, NULL, 0);
-    }
-
-    FlipTimer++;
-    if (FlipTimer == 55) {
+    if (TR1MConfig.fix_tihocan_secret_sound) {
         SoundEffect(33, NULL, 0);
         FlipEffect = -1;
+    } else {
+        if (FlipTimer == 0) {
+            SoundEffect(173, NULL, 0);
+        }
+
+        FlipTimer++;
+        if (FlipTimer == 55) {
+            SoundEffect(33, NULL, 0);
+            FlipEffect = -1;
+        }
     }
 }
 

src/main.c

@@ -71,6 +71,8 @@ static int TR1MReadConfig()
         tr1m_json_get_boolean_value(json, "enable_look_while_running");
     TR1MConfig.fix_end_of_level_freeze =
         tr1m_json_get_boolean_value(json, "fix_end_of_level_freeze");
+    TR1MConfig.fix_tihocan_secret_sound =
+        tr1m_json_get_boolean_value(json, "fix_tihocan_secret_sound");
 
     json_value_free(json);
     free(cfg_data);

src/mod.h

@@ -20,6 +20,7 @@ struct {
     int enable_enemy_healthbar;
     int enable_look_while_running;
     int fix_end_of_level_freeze;
+    int fix_tihocan_secret_sound;
 } TR1MConfig;
 
 struct {