1 files changed, 89 insertions, 2 deletions
diff --git a/src/trainer_tower.c b/src/trainer_tower.c
index 86b4639dd..f1526dfc0 100644
--- a/src/trainer_tower.c
+++ b/src/trainer_tower.c
@@ -3,7 +3,9 @@
 #include "constants/vars.h"
 #include "malloc.h"
 #include "save.h"
+#include "string_util.h"
 #include "event_data.h"
+#include "random.h"
 #include "cereader_tool.h"
 
 struct UnkStruct_8479D34
@@ -16,9 +18,49 @@ struct UnkStruct_8479D34
     u8 flags3[8];
 };
 
-extern const struct UnkStruct_8479D34 gUnknown_8479D34[15];
+struct UnkStruct_203F458
+{
+    /* 0x0000 */ u8 filler_0000[0x1F0C];
+};
+
+struct UnkStruct_203F45C
+{
+    /* 0x00 */ u8 unk_00[11];
+    /* 0x0B */ u8 filler_0B[49];
+    /* 0x3C */ u8 unk_3C;
+    /* 0x3D */ u8 unk_3D;
+};
+
+EWRAM_DATA struct UnkStruct_203F458 * gUnknown_203F458 = NULL;
+EWRAM_DATA struct UnkStruct_203F45C * gUnknown_203F45C = NULL;
 
 void sub_815D96C(void);
+void sub_815DC8C(void);  // setup
+void sub_815DD2C(void);  // teardown
+void sub_815DD44(void);
+void sub_815DF54(void);
+void sub_815E160(void);
+void sub_815E1C0(void);
+void sub_815E1F0(void);
+void sub_815E218(void);
+void sub_815E28C(void);
+void sub_815E394(void);
+void sub_815E408(void);
+void sub_815E4B0(void);
+void sub_815E56C(void);
+void sub_815E5C4(void);
+void sub_815E5F0(void);
+void sub_815E658(void);
+void sub_815E720(void);
+void sub_815E88C(void);
+void sub_815E8B4(void);
+void sub_815E8CC(void);
+void sub_815E908(void);
+void sub_815E948(void);
+void sub_815E9C8(void);
+
+extern const struct UnkStruct_8479D34 gUnknown_8479D34[15];
+extern void (*const gUnknown_847A230[])(void);
 
 bool32 sub_815D7BC(void * dest, void * buffer)
 {
@@ -78,7 +120,7 @@ void sub_815D8C8(void)
     }
 }
 
-void sub_815D8F8(void)
+void sub_815D8F8(void) // fakematching
 {
     u8 i;
     register u32 found_map asm("r4") = 0xFF;
@@ -97,3 +139,48 @@ void sub_815D8F8(void)
         sub_815D96C();
     }
 }
+
+void sub_815D96C(void)
+{
+    u8 i, j;
+    const u8 * flags;
+    u16 rval;
+
+    for (i = 0; i < 15; i++)
+    {
+        rval = Random() % 100;
+        if (rval >= 90)
+            flags = gUnknown_8479D34[i].flags1;
+        else if (rval >= 60)
+            flags = gUnknown_8479D34[i].flags2;
+        else
+            flags = gUnknown_8479D34[i].flags3;
+        for (j = 0; j < 8; j++)
+        {
+            if (flags[j] != 0xFF)
+                FlagClear(FLAG_TRAINER_TOWER_START + flags[j]);
+        }
+    }
+}
+
+void sub_815D9E8(void)
+{
+    sub_815DC8C();
+    gUnknown_847A230[gSpecialVar_0x8004]();
+    sub_815DD2C();
+}
+
+u8 sub_815DA10(void)
+{
+    return gFacilityClassToTrainerClass[gUnknown_203F45C->unk_3D];
+}
+
+void sub_815DA28(u8 * dest)
+{
+    StringCopyN(dest, gUnknown_203F45C->unk_00, 11);
+}
+
+u8 sub_815DA3C(void)
+{
+    return gFacilityClassToPicIndex[gUnknown_203F45C->unk_3D];
+}