sub_810C9A8

1 files changed, 315 insertions, 0 deletions

diff --git a/src/vs_seeker.c b/src/vs_seeker.c
index 9c4f12a1d..eace914f4 100644
--- a/src/vs_seeker.c
+++ b/src/vs_seeker.c
@@ -7,12 +7,16 @@
 #include "new_menu_helpers.h"
 #include "item_use.h"
 #include "event_scripts.h"
+#include "event_data.h"
 #include "script.h"
 #include "map_obj_lock.h"
 #include "field_specials.h"
 #include "item_menu.h"
 #include "field_effect.h"
 #include "script_movement.h"
+#include "battle_setup.h"
+#include "random.h"
+#include "field_map_obj.h"
 #include "vs_seeker.h"
 
 // static types
@@ -33,12 +37,21 @@ void sub_810D304(void);
 bool8 sub_810C96C(void);
 void sub_810C604(void);
 u8 sub_810C9A8(const void *);
+bool8 sub_810D0FC(struct VsSeekerSubstruct *);
 u16 sub_810D074(const u8 *);
 u8 sub_810D1CC(void);
+void sub_810D24C(struct VsSeekerSubstruct *, const u8 *);
+bool8 sub_810D164(const void *, u16, u8 *);
+u8 sub_810D280(int, u16);
+u8 sub_810CF90(u8);
+void sub_810C640(void);
 
 // rodata
 extern const struct UnkStruct_845318C gUnknown_845318C[];
 extern const u8 gUnknown_8453F5C[];
+extern const u8 gUnknown_8453F60[];
+extern const u8 gUnknown_8453F62[];
+extern const u8 gUnknown_8453F64[];
 
 // text
 void sub_810C670(u8 taskId)
@@ -164,3 +177,305 @@ u8 sub_810C96C(void)
         return 0;
     }
 }
+
+// Nonmatching due to register roulette
+#ifdef NONMATCHING
+u8 sub_810C9A8(const void * a0)
+{
+    u16 r8 = 0;
+    u8 sp0 = 0;
+    int vsSeekerIdx;
+
+    for (vsSeekerIdx = 0; gUnknown_203ADB8->unk_000[vsSeekerIdx].unk_6 != 0xFF; vsSeekerIdx++)
+    {
+        if (sub_810D0FC(&gUnknown_203ADB8->unk_000[vsSeekerIdx]) == 1)
+        {
+            r8 = gUnknown_203ADB8->unk_000[vsSeekerIdx].unk_4;
+            if (!HasTrainerAlreadyBeenFought(r8))
+            {
+                sub_810D24C(&gUnknown_203ADB8->unk_000[vsSeekerIdx], gUnknown_8453F60);
+                gUnknown_203ADB8->unk_431_0 = 1;
+            }
+            else
+            {
+                u8 r7 = sub_810D164(a0, r8, &sp0);
+                if (r7 == 0)
+                {
+                    sub_810D24C(&gUnknown_203ADB8->unk_000[vsSeekerIdx], gUnknown_8453F62);
+                    gUnknown_203ADB8->unk_431_1 = 1;
+                }
+                else
+                {
+                    u16 rval = Random() % 100;
+                    u8 r0 = sub_810D280(vsSeekerIdx, r8);
+                    if (r0 == 2)
+                        rval = 100;
+                    else if (r0 == 1)
+                        rval = 0;
+                    if (rval < 30)
+                    {
+                        sub_810D24C(&gUnknown_203ADB8->unk_000[vsSeekerIdx], gUnknown_8453F62);
+                        gUnknown_203ADB8->unk_431_1 = 1;
+                    }
+                    else
+                    {
+                        gSaveBlock1Ptr->trainerRematches[gUnknown_203ADB8->unk_000[vsSeekerIdx].unk_6] = r7;
+                        npc_coords_shift_still(&gUnknown_2036E38[gUnknown_203ADB8->unk_000[vsSeekerIdx].unk_7]);
+                        sub_810D24C(&gUnknown_203ADB8->unk_000[vsSeekerIdx], gUnknown_8453F64);
+                        gUnknown_203ADB8->unk_400[gUnknown_203ADB8->unk_430] = r8;
+                        gUnknown_203ADB8->unk_420[gUnknown_203ADB8->unk_430] = sub_810CF90(gUnknown_203ADB8->unk_000[vsSeekerIdx].unk_c);
+                        gUnknown_203ADB8->unk_430++;
+                        gUnknown_203ADB8->unk_431_2 = 1;
+                    }
+                }
+            }
+        }
+    }
+
+    if (gUnknown_203ADB8->unk_431_2)
+    {
+        PlaySE(SE_PIN);
+        FlagSet(0x801); // TODO: make this an enum
+        sub_810C640();
+        return 2;
+    }
+    if (gUnknown_203ADB8->unk_431_0)
+        return 1;
+    return 0;
+}
+#else
+NAKED
+u8 sub_810C9A8(const void * a0)
+{
+    asm_unified("\tpush {r4-r7,lr}\n"
+                "\tmov r7, r10\n"
+                "\tmov r6, r9\n"
+                "\tmov r5, r8\n"
+                "\tpush {r5-r7}\n"
+                "\tsub sp, 0x8\n"
+                "\tstr r0, [sp, 0x4]\n"
+                "\tmovs r0, 0\n"
+                "\tmov r8, r0\n"
+                "\tmov r0, sp\n"
+                "\tmov r1, r8\n"
+                "\tstrb r1, [r0]\n"
+                "\tmovs r2, 0\n"
+                "\tmov r9, r2\n"
+                "\tldr r4, _0810CA14 @ =gUnknown_203ADB8\n"
+                "\tldr r0, [r4]\n"
+                "\tldrb r0, [r0, 0x6]\n"
+                "\tcmp r0, 0xFF\n"
+                "\tbne _0810C9D0\n"
+                "\tb _0810CB2C\n"
+                "_0810C9D0:\n"
+                "\tadds r6, r4, 0\n"
+                "\tmovs r3, 0x86\n"
+                "\tlsls r3, 3\n"
+                "\tmov r10, r3\n"
+                "\tmovs r5, 0\n"
+                "_0810C9DA:\n"
+                "\tldr r0, [r6]\n"
+                "\tadds r0, r5\n"
+                "\tbl sub_810D0FC\n"
+                "\tlsls r0, 24\n"
+                "\tlsrs r0, 24\n"
+                "\tcmp r0, 0x1\n"
+                "\tbeq _0810C9EC\n"
+                "\tb _0810CB18\n"
+                "_0810C9EC:\n"
+                "\tldr r0, [r4]\n"
+                "\tadds r0, r5\n"
+                "\tldrh r0, [r0, 0x4]\n"
+                "\tmov r8, r0\n"
+                "\tbl HasTrainerAlreadyBeenFought\n"
+                "\tlsls r0, 24\n"
+                "\tcmp r0, 0\n"
+                "\tbne _0810CA20\n"
+                "\tldr r0, [r6]\n"
+                "\tadds r0, r5\n"
+                "\tldr r1, _0810CA18 @ =gUnknown_8453F60\n"
+                "\tbl sub_810D24C\n"
+                "\tldr r2, [r6]\n"
+                "\tldr r0, _0810CA1C @ =0x00000431\n"
+                "\tadds r2, r0\n"
+                "\tldrb r0, [r2]\n"
+                "\tmovs r1, 0x1\n"
+                "\tb _0810CB14\n"
+                "\t.align 2, 0\n"
+                "_0810CA14: .4byte gUnknown_203ADB8\n"
+                "_0810CA18: .4byte gUnknown_8453F60\n"
+                "_0810CA1C: .4byte 0x00000431\n"
+                "_0810CA20:\n"
+                "\tldr r0, [sp, 0x4]\n"
+                "\tmov r1, r8\n"
+                "\tmov r2, sp\n"
+                "\tbl sub_810D164\n"
+                "\tlsls r0, 24\n"
+                "\tlsrs r7, r0, 24\n"
+                "\tcmp r7, 0\n"
+                "\tbne _0810CA50\n"
+                "\tldr r0, [r6]\n"
+                "\tadds r0, r5\n"
+                "\tldr r1, _0810CA48 @ =gUnknown_8453F62\n"
+                "\tbl sub_810D24C\n"
+                "\tldr r2, [r6]\n"
+                "\tldr r3, _0810CA4C @ =0x00000431\n"
+                "\tadds r2, r3\n"
+                "\tldrb r0, [r2]\n"
+                "\tmovs r1, 0x2\n"
+                "\tb _0810CB14\n"
+                "\t.align 2, 0\n"
+                "_0810CA48: .4byte gUnknown_8453F62\n"
+                "_0810CA4C: .4byte 0x00000431\n"
+                "_0810CA50:\n"
+                "\tbl Random\n"
+                "\tlsls r0, 16\n"
+                "\tlsrs r0, 16\n"
+                "\tmovs r1, 0x64\n"
+                "\tbl __umodsi3\n"
+                "\tlsls r0, 16\n"
+                "\tlsrs r4, r0, 16\n"
+                "\tmov r0, r9\n"
+                "\tmov r1, r8\n"
+                "\tbl sub_810D280\n"
+                "\tlsls r0, 24\n"
+                "\tlsrs r0, 24\n"
+                "\tcmp r0, 0x2\n"
+                "\tbne _0810CA76\n"
+                "\tmovs r4, 0x64\n"
+                "\tb _0810CA7C\n"
+                "_0810CA76:\n"
+                "\tcmp r0, 0x1\n"
+                "\tbne _0810CA7C\n"
+                "\tmovs r4, 0\n"
+                "_0810CA7C:\n"
+                "\tcmp r4, 0x1D\n"
+                "\tbhi _0810CAA0\n"
+                "\tldr r0, [r6]\n"
+                "\tadds r0, r5\n"
+                "\tldr r1, _0810CA98 @ =gUnknown_8453F62\n"
+                "\tbl sub_810D24C\n"
+                "\tldr r2, [r6]\n"
+                "\tldr r0, _0810CA9C @ =0x00000431\n"
+                "\tadds r2, r0\n"
+                "\tldrb r0, [r2]\n"
+                "\tmovs r1, 0x2\n"
+                "\tb _0810CB14\n"
+                "\t.align 2, 0\n"
+                "_0810CA98: .4byte gUnknown_8453F62\n"
+                "_0810CA9C: .4byte 0x00000431\n"
+                "_0810CAA0:\n"
+                "\tldr r0, _0810CB54 @ =gSaveBlock1Ptr\n"
+                "\tldr r1, [r0]\n"
+                "\tldr r0, [r6]\n"
+                "\tadds r0, r5\n"
+                "\tldr r2, _0810CB58 @ =0x0000063a\n"
+                "\tadds r1, r2\n"
+                "\tldrb r0, [r0, 0x6]\n"
+                "\tadds r1, r0\n"
+                "\tstrb r7, [r1]\n"
+                "\tldr r0, [r6]\n"
+                "\tadds r0, r5\n"
+                "\tldrb r1, [r0, 0x7]\n"
+                "\tlsls r0, r1, 3\n"
+                "\tadds r0, r1\n"
+                "\tlsls r0, 2\n"
+                "\tldr r1, _0810CB5C @ =gUnknown_2036E38\n"
+                "\tadds r0, r1\n"
+                "\tbl npc_coords_shift_still\n"
+                "\tldr r0, [r6]\n"
+                "\tadds r0, r5\n"
+                "\tldr r1, _0810CB60 @ =gUnknown_8453F64\n"
+                "\tbl sub_810D24C\n"
+                "\tldr r2, [r6]\n"
+                "\tmov r3, r10\n"
+                "\tadds r0, r2, r3\n"
+                "\tldrb r1, [r0]\n"
+                "\tlsls r1, 1\n"
+                "\tmovs r3, 0x80\n"
+                "\tlsls r3, 3\n"
+                "\tadds r0, r2, r3\n"
+                "\tadds r0, r1\n"
+                "\tmov r1, r8\n"
+                "\tstrh r1, [r0]\n"
+                "\tadds r2, r5\n"
+                "\tldrb r0, [r2, 0xC]\n"
+                "\tbl sub_810CF90\n"
+                "\tldr r1, [r6]\n"
+                "\tmov r3, r10\n"
+                "\tadds r2, r1, r3\n"
+                "\tmovs r3, 0x84\n"
+                "\tlsls r3, 3\n"
+                "\tadds r1, r3\n"
+                "\tldrb r2, [r2]\n"
+                "\tadds r1, r2\n"
+                "\tstrb r0, [r1]\n"
+                "\tldr r1, [r6]\n"
+                "\tadd r1, r10\n"
+                "\tldrb r0, [r1]\n"
+                "\tadds r0, 0x1\n"
+                "\tstrb r0, [r1]\n"
+                "\tldr r2, [r6]\n"
+                "\tldr r0, _0810CB64 @ =0x00000431\n"
+                "\tadds r2, r0\n"
+                "\tldrb r0, [r2]\n"
+                "\tmovs r1, 0x4\n"
+                "_0810CB14:\n"
+                "\torrs r0, r1\n"
+                "\tstrb r0, [r2]\n"
+                "_0810CB18:\n"
+                "\tadds r5, 0x10\n"
+                "\tmovs r1, 0x1\n"
+                "\tadd r9, r1\n"
+                "\tldr r4, _0810CB68 @ =gUnknown_203ADB8\n"
+                "\tldr r0, [r4]\n"
+                "\tadds r0, r5\n"
+                "\tldrb r0, [r0, 0x6]\n"
+                "\tcmp r0, 0xFF\n"
+                "\tbeq _0810CB2C\n"
+                "\tb _0810C9DA\n"
+                "_0810CB2C:\n"
+                "\tldr r2, _0810CB68 @ =gUnknown_203ADB8\n"
+                "\tldr r0, [r2]\n"
+                "\tldr r3, _0810CB64 @ =0x00000431\n"
+                "\tadds r0, r3\n"
+                "\tldrb r1, [r0]\n"
+                "\tmovs r0, 0x4\n"
+                "\tands r0, r1\n"
+                "\tcmp r0, 0\n"
+                "\tbeq _0810CB70\n"
+                "\tmovs r0, 0x15\n"
+                "\tbl PlaySE\n"
+                "\tldr r0, _0810CB6C @ =0x00000801\n"
+                "\tbl FlagSet\n"
+                "\tbl sub_810C640\n"
+                "\tmovs r0, 0x2\n"
+                "\tb _0810CB7E\n"
+                "\t.align 2, 0\n"
+                "_0810CB54: .4byte gSaveBlock1Ptr\n"
+                "_0810CB58: .4byte 0x0000063a\n"
+                "_0810CB5C: .4byte gUnknown_2036E38\n"
+                "_0810CB60: .4byte gUnknown_8453F64\n"
+                "_0810CB64: .4byte 0x00000431\n"
+                "_0810CB68: .4byte gUnknown_203ADB8\n"
+                "_0810CB6C: .4byte 0x00000801\n"
+                "_0810CB70:\n"
+                "\tmovs r0, 0x1\n"
+                "\tands r0, r1\n"
+                "\tcmp r0, 0\n"
+                "\tbne _0810CB7C\n"
+                "\tmovs r0, 0\n"
+                "\tb _0810CB7E\n"
+                "_0810CB7C:\n"
+                "\tmovs r0, 0x1\n"
+                "_0810CB7E:\n"
+                "\tadd sp, 0x8\n"
+                "\tpop {r3-r5}\n"
+                "\tmov r8, r3\n"
+                "\tmov r9, r4\n"
+                "\tmov r10, r5\n"
+                "\tpop {r4-r7}\n"
+                "\tpop {r1}\n"
+                "\tbx r1");
+}
+#endif