decompile script_pokemon_util_80F99CC.c except for sub_80F9FDC (#238)

* start decompiling script_pokemon_util_80F99CC.c

* formatting

* decompile more of script_pokemon_util_80F99CC.c

* finish decompiling script_pokemon_util_80F99CC except for sub_80F9FDC

* remove script_pokemon_util_80F99CC from ld_script.txt

2 files changed, 467 insertions, 17 deletions

diff --git a/src/battle_party_menu.c b/src/battle_party_menu.c
index c6d39d5a0..dab97db9b 100644
--- a/src/battle_party_menu.c
+++ b/src/battle_party_menu.c
@@ -9,6 +9,7 @@
 #include "string_util.h"
 #include "task.h"
 #include "text.h"
+#include "battle_party_menu.h"
 
 struct PartyMenuItem
 {
@@ -60,23 +61,6 @@ extern void sub_8094C98(u8, u8);
 extern void sub_806E6F0();
 extern void sub_806D538();
 
-struct UnknownStruct1
-{
-    u8 filler0[0x259];
-    u8 unk259;
-    u8 filler25A[6];
-    u8 unk260;
-    u8 filler261[1];
-    u8 unk262;
-    s16 unk264;
-    s16 unk266;
-};
-
-extern u8 unk_2000000[];
-
-#define EWRAM_1609D unk_2000000[0x1609D]
-#define EWRAM_1B000 (*(struct UnknownStruct1 *)(unk_2000000 + 0x1B000))
-
 extern u16 gScriptItemId;
 extern u8 gPlayerPartyCount;
 extern u8 gUnknown_02024A68;
diff --git a/src/script_pokemon_util_80F99CC.c b/src/script_pokemon_util_80F99CC.c
new file mode 100644
index 000000000..5e57ef84b
--- /dev/null
+++ b/src/script_pokemon_util_80F99CC.c
@@ -0,0 +1,466 @@
+#include "global.h"
+#include "script.h"
+#include "task.h"
+#include "palette.h"
+#include "battle_party_menu.h"
+#include "sound.h"
+#include "asm.h"
+#include "rom4.h"
+#include "pokemon.h"
+#include "text.h"
+#include "string_util.h"
+
+extern u8 gPlayerPartyCount;
+extern u16 gSpecialVar_0x8004;
+extern u16 gSpecialVar_0x8005;
+extern u8 gUnknown_02038694;
+extern u16 gScriptResult;
+
+extern u8 gMoveNames[][13];
+
+extern void (*gUnknown_0300485C)(void);
+
+extern void OpenPartyMenu(u8, u8);
+extern void TryCreatePartyMenuMonIcon(u8, u8, struct Pokemon *);
+extern void LoadHeldItemIconGraphics(void);
+extern void CreateHeldItemIcons_806DC34(); // undefined args
+extern u8 sub_806BD58(u8, u8);
+extern void PartyMenuPrintMonsLevelOrStatus(void);
+extern void PrintPartyMenuMonNicknames(void);
+extern u8 sub_806B58C(u8);
+extern u8 sub_80AE47C(struct Pokemon *party);
+extern void sub_806BC3C(u8, u8);
+extern u16 sub_806BD80(); // undefined args in battle_party_menu.c
+extern u8 sub_806CA38();
+extern void sub_8123138(u8);
+extern u8 sub_8040574(struct Pokemon *party);
+extern void sub_809D9F0(struct Pokemon *party, u8, u8, void *, u32);
+
+void sub_80F9A8C(u8);
+void sub_80F9C00(void);
+void sub_80F9E1C(void);
+
+struct UnknownStruct2018000
+{
+    u8 filler0[0x8];
+    u8 unk8;
+};
+
+extern struct UnknownStruct2018000 unk_2018000;
+
+void sub_80F99CC(void)
+{
+    u8 taskId;
+
+    ScriptContext2_Enable();
+    taskId = CreateTask((void *)sub_80F9A8C, 0xA);
+    gTasks[taskId].data[0] = 2;
+    BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+}
+
+void sub_80F9A0C(void)
+{
+    u8 taskId;
+
+    ScriptContext2_Enable();
+    taskId = CreateTask((void *)sub_80F9A8C, 0xA);
+    gTasks[taskId].data[0] = 3;
+    BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+}
+
+void sub_80F9A4C(void)
+{
+    u8 taskId;
+
+    ScriptContext2_Enable();
+    taskId = CreateTask((void *)sub_80F9A8C, 0xA);
+    gTasks[taskId].data[0] = 7;
+    BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+}
+
+void sub_80F9A8C(u8 taskId)
+{
+    if(!gPaletteFade.active)
+    {
+        gPaletteFade.bufferTransferDisabled = 1;
+        OpenPartyMenu(gTasks[taskId].data[0], 0);
+        DestroyTask(taskId);
+    }
+}
+
+bool8 sub_80F9ACC(void)
+{
+    switch(EWRAM_1B000.unk264)
+    {
+        case 0:
+            if(EWRAM_1B000.unk266 < gPlayerPartyCount)
+            {
+                TryCreatePartyMenuMonIcon(EWRAM_1B000.unk260, EWRAM_1B000.unk266, &gPlayerParty[EWRAM_1B000.unk266]);
+                EWRAM_1B000.unk266++;
+            }
+            else
+            {
+                EWRAM_1B000.unk266 = 0;
+                EWRAM_1B000.unk264++;
+            }
+            break;
+        case 1:
+            LoadHeldItemIconGraphics();
+            EWRAM_1B000.unk264++;
+            break;
+        case 2:
+            CreateHeldItemIcons_806DC34(EWRAM_1B000.unk260);
+            EWRAM_1B000.unk264++;
+            break;
+        case 3:
+            if(sub_806BD58(EWRAM_1B000.unk260, EWRAM_1B000.unk266) != 1)
+            {
+                EWRAM_1B000.unk266++;
+                break;
+            }
+            else
+            {
+                EWRAM_1B000.unk266 = 0;
+                EWRAM_1B000.unk264++;
+                break;
+            }
+        case 4:
+            PartyMenuPrintMonsLevelOrStatus();
+            EWRAM_1B000.unk264++;
+            break;
+        case 5:
+            PrintPartyMenuMonNicknames();
+            EWRAM_1B000.unk264++;
+            break;
+        case 6:
+            sub_80F9C00();
+            EWRAM_1B000.unk264++;
+            break;
+        case 7: // the only case that can return true.
+            if(sub_806B58C(EWRAM_1B000.unk266) != 1)
+            {
+                EWRAM_1B000.unk266++;
+                break;
+            }
+            else
+            {
+                EWRAM_1B000.unk266 = 0;
+                EWRAM_1B000.unk264 = 0;
+                return TRUE;
+            }
+    }
+    return FALSE;
+}
+
+void sub_80F9C00(void)
+{
+    u8 i;
+    
+    for(i = 0; i < gPlayerPartyCount; i++)
+    {
+        switch(sub_80AE47C(&gPlayerParty[i]))
+        {
+            case 0:
+            case 3:
+            case 4:
+                sub_806BC3C(i, 0x7E);
+                break;
+            case 1:
+            case 2:
+                sub_806BC3C(i, 0x70);
+                break;
+        }
+    }
+}
+
+void sub_80F9C6C(u8 var)
+{
+    if(!gPaletteFade.active)
+    {
+        switch(sub_806BD80(var))
+        {
+            case 1:
+                PlaySE(5);
+                gUnknown_02038694 = sub_806CA38(var);
+                gSpecialVar_0x8004 = gUnknown_02038694;
+                sub_8123138(var);
+                break;
+            case 2:
+                PlaySE(5);
+                gUnknown_02038694 = 0xFF;
+                gSpecialVar_0x8004 = 0xFF;
+                sub_8123138(var);
+                break;
+        }
+    }
+}
+
+bool8 sub_80F9CE8(void) // this is the same function as sub_80F9ACC except case 6 calls a different function. why
+{
+    switch(EWRAM_1B000.unk264)
+    {
+        case 0:
+            if(EWRAM_1B000.unk266 < gPlayerPartyCount)
+            {
+                TryCreatePartyMenuMonIcon(EWRAM_1B000.unk260, EWRAM_1B000.unk266, &gPlayerParty[EWRAM_1B000.unk266]);
+                EWRAM_1B000.unk266++;
+            }
+            else
+            {
+                EWRAM_1B000.unk266 = 0;
+                EWRAM_1B000.unk264++;
+            }
+            break;
+        case 1:
+            LoadHeldItemIconGraphics();
+            EWRAM_1B000.unk264++;
+            break;
+        case 2:
+            CreateHeldItemIcons_806DC34(EWRAM_1B000.unk260);
+            EWRAM_1B000.unk264++;
+            break;
+        case 3:
+            if(sub_806BD58(EWRAM_1B000.unk260, EWRAM_1B000.unk266) != 1)
+            {
+                EWRAM_1B000.unk266++;
+                break;
+            }
+            else
+            {
+                EWRAM_1B000.unk266 = 0;
+                EWRAM_1B000.unk264++;
+                break;
+            }
+        case 4:
+            PartyMenuPrintMonsLevelOrStatus();
+            EWRAM_1B000.unk264++;
+            break;
+        case 5:
+            PrintPartyMenuMonNicknames();
+            EWRAM_1B000.unk264++;
+            break;
+        case 6:
+            sub_80F9E1C();
+            EWRAM_1B000.unk264++;
+            break;
+        case 7: // the only case that can return true.
+            if(sub_806B58C(EWRAM_1B000.unk266) != 1)
+            {
+                EWRAM_1B000.unk266++;
+                break;
+            }
+            else
+            {
+                EWRAM_1B000.unk266 = 0;
+                EWRAM_1B000.unk264 = 0;
+                return TRUE;
+            }
+    }
+    return FALSE;
+}
+
+void sub_80F9E1C(void)
+{
+    u8 i;
+    
+    for(i = 0; i < gPlayerPartyCount; i++)
+    {
+        if(!sub_8040574(&gPlayerParty[i]))
+            sub_806BC3C(i, 0x9A);
+        else
+            sub_806BC3C(i, 0x8C);
+    }
+}
+
+void sub_80F9E64(u8 var)
+{
+    if(!gPaletteFade.active)
+    {
+        switch(sub_806BD80(var))
+        {
+            case 1:
+                PlaySE(5);
+                gSpecialVar_0x8004 = sub_806CA38(var);
+                gSpecialVar_0x8005 = sub_8040574(&gPlayerParty[gSpecialVar_0x8004]);
+                sub_8123138(var);
+                break;
+            case 2:
+                PlaySE(5);
+                gSpecialVar_0x8004 = 0xFF;
+                sub_8123138(var);
+        }
+    }
+}
+
+void sub_80F9EEC(void)
+{
+    sub_809D9F0(&gPlayerParty[0], gSpecialVar_0x8004, gPlayerPartyCount - 1, c2_exit_to_overworld_2_switch, 0);
+    unk_2018000.unk8 = 3;
+    gUnknown_0300485C = sub_8080990;
+}
+
+void sub_80F9F3C(void) // count pokemon moves
+{
+    u8 i;
+
+    gScriptResult = 0;
+    
+    for(i = 0; i < 4; i++) // checks MOVE1-MOVE4
+        if(GetMonData(&gPlayerParty[gSpecialVar_0x8004], i + 13))
+            gScriptResult++;
+}
+
+void sub_80F9F84(void)
+{
+    struct Pokemon *party = &gPlayerParty[gSpecialVar_0x8004];
+    u16 data = GetMonData(party, gSpecialVar_0x8005 + 13);
+
+    GetMonNickname(party, gStringVar1);
+    StringCopy(gStringVar2, gMoveNames[data]);
+}
+
+// no. hard
+__attribute__((naked))
+void sub_80F9FDC(struct Pokemon *party, u8 var, u8 var2)
+{
+    asm(".syntax unified\n\
+    push {r4-r7,lr}\n\
+    mov r7, r10\n\
+    mov r6, r9\n\
+    mov r5, r8\n\
+    push {r5-r7}\n\
+    sub sp, 0x20\n\
+    mov r8, r0\n\
+    adds r5, r1, 0\n\
+    adds r4, r2, 0\n\
+    lsls r5, 24\n\
+    lsrs r5, 24\n\
+    lsls r4, 24\n\
+    lsrs r4, 24\n\
+    adds r0, r5, 0\n\
+    adds r0, 0xD\n\
+    str r0, [sp, 0x8]\n\
+    mov r0, r8\n\
+    ldr r1, [sp, 0x8]\n\
+    bl GetMonData\n\
+    mov r1, sp\n\
+    adds r1, 0x2\n\
+    str r1, [sp, 0x14]\n\
+    strh r0, [r1]\n\
+    adds r3, r4, 0\n\
+    adds r3, 0xD\n\
+    str r3, [sp, 0xC]\n\
+    mov r0, r8\n\
+    adds r1, r3, 0\n\
+    bl GetMonData\n\
+    mov r1, sp\n\
+    strh r0, [r1]\n\
+    adds r7, r5, 0\n\
+    adds r7, 0x11\n\
+    str r7, [sp, 0x10]\n\
+    mov r0, r8\n\
+    adds r1, r7, 0\n\
+    bl GetMonData\n\
+    mov r1, sp\n\
+    adds r1, 0x5\n\
+    str r1, [sp, 0x18]\n\
+    strb r0, [r1]\n\
+    adds r3, r4, 0\n\
+    adds r3, 0x11\n\
+    str r3, [sp, 0x1C]\n\
+    mov r0, r8\n\
+    adds r1, r3, 0\n\
+    bl GetMonData\n\
+    add r7, sp, 0x4\n\
+    mov r10, r7\n\
+    strb r0, [r7]\n\
+    mov r0, r8\n\
+    movs r1, 0x15\n\
+    bl GetMonData\n\
+    mov r6, sp\n\
+    adds r6, 0x6\n\
+    strb r0, [r6]\n\
+    ldr r1, _080FA0D8 @ =gUnknown_08208238\n\
+    adds r0, r5, r1\n\
+    ldrb r0, [r0]\n\
+    mov r9, r0\n\
+    ldrb r0, [r6]\n\
+    adds r2, r0, 0\n\
+    mov r3, r9\n\
+    ands r2, r3\n\
+    lsls r5, 1\n\
+    asrs r2, r5\n\
+    lsls r2, 24\n\
+    lsrs r2, 24\n\
+    adds r1, r4, r1\n\
+    ldrb r3, [r1]\n\
+    adds r1, r0, 0\n\
+    ands r1, r3\n\
+    lsls r4, 1\n\
+    asrs r1, r4\n\
+    lsls r1, 24\n\
+    lsrs r1, 24\n\
+    mov r7, r9\n\
+    bics r0, r7\n\
+    strb r0, [r6]\n\
+    ldrb r0, [r6]\n\
+    bics r0, r3\n\
+    strb r0, [r6]\n\
+    lsls r2, r4\n\
+    lsls r1, r5\n\
+    adds r2, r1\n\
+    ldrb r0, [r6]\n\
+    orrs r0, r2\n\
+    strb r0, [r6]\n\
+    mov r0, r8\n\
+    ldr r1, [sp, 0x8]\n\
+    mov r2, sp\n\
+    bl SetMonData\n\
+    mov r0, r8\n\
+    ldr r1, [sp, 0xC]\n\
+    ldr r2, [sp, 0x14]\n\
+    bl SetMonData\n\
+    mov r0, r8\n\
+    ldr r1, [sp, 0x10]\n\
+    mov r2, r10\n\
+    bl SetMonData\n\
+    mov r0, r8\n\
+    ldr r1, [sp, 0x1C]\n\
+    ldr r2, [sp, 0x18]\n\
+    bl SetMonData\n\
+    mov r0, r8\n\
+    movs r1, 0x15\n\
+    adds r2, r6, 0\n\
+    bl SetMonData\n\
+    add sp, 0x20\n\
+    pop {r3-r5}\n\
+    mov r8, r3\n\
+    mov r9, r4\n\
+    mov r10, r5\n\
+    pop {r4-r7}\n\
+    pop {r0}\n\
+    bx r0\n\
+    .align 2, 0\n\
+_080FA0D8: .4byte gUnknown_08208238\n\
+    .syntax divided");
+}
+
+void sub_80FA0DC(void)
+{
+    u16 i;
+
+    SetMonMoveSlot(&gPlayerParty[gSpecialVar_0x8004], 0, gSpecialVar_0x8005);
+    RemoveMonPPBonus(&gPlayerParty[gSpecialVar_0x8004], gSpecialVar_0x8005);
+    
+    for(i = gSpecialVar_0x8005; i < 3; i++)
+        sub_80F9FDC(&gPlayerParty[gSpecialVar_0x8004], i, i + 1);
+}
+
+void sub_80FA148(void)
+{
+    struct Pokemon *party = &gPlayerParty[gSpecialVar_0x8004];
+    gScriptResult = 0;
+    
+    if(GetMonData(party, MON_DATA_IS_EGG))
+        gScriptResult = 1;
+}