safari_zone.c (#94)

* about halfway through with safari_zone.c

* Figured out more of UnkSafariZoneStruct

* Finished safari_zone.c

1 files changed, 305 insertions, 0 deletions

diff --git a/src/safari_zone.c b/src/safari_zone.c
new file mode 100644
index 000000000..32cf35ca2
--- /dev/null
+++ b/src/safari_zone.c
@@ -0,0 +1,305 @@
+#include "global.h"
+#include "flag.h"
+#include "main.h"
+#include "script.h"
+#include "string_util.h"
+
+
+#define FLAG_ID_SAFARI_ZONE 0x082C
+
+struct UnkSafariZoneStruct
+{
+    /*0x00*/ s16 x;
+    /*0x02*/ s16 y;
+    /*0x04*/ s8 mapNum;
+    /*0x05*/ u8 counter;
+    /*0x06*/ u8 field_4;
+    /*0x07*/ u8 field_5;
+    /*0x08*/ struct Pokeblock pokeblock;
+};
+
+
+void ClearEveryUnkSafariZoneStruct(void);
+void sub_80C8508(void);
+extern void c2_exit_to_overworld_2_switch(void);
+extern void c2_exit_to_overworld_1_continue_scripts_restart_music(void);
+extern void sub_8080E44(void);
+extern void CB2_LoadMap(void);
+extern void sav12_xor_increment(u8);
+extern void warp_in(void);
+extern void GetXYCoordsOneStepInFrontOfPlayer(void *, void *);
+extern void PlayerGetDestCoords(u16 *, u16 *);
+
+extern u8 gUnknown_02024D26;
+extern u8 gUnknown_02038808;
+extern u16 gUnknown_0203880A;
+
+extern struct UnkSafariZoneStruct gUnkSafariZoneStructArr[10];
+
+extern void (*gUnknown_0300485C)(void);
+
+extern u8 gUnknown_081C340A;
+extern u8 gUnknown_081C342D;
+extern u8 gUnknown_081C3448;
+extern u8 gUnknown_081C3459;
+extern u8 *gUnknown_083F7EB8[];
+
+extern u16 gScriptResult;
+
+
+bool32 GetSafariZoneFlag(void)
+{
+    bool8 ret = FlagGet(FLAG_ID_SAFARI_ZONE);
+    
+    return ret;
+}
+
+void SetSafariZoneFlag(void)
+{
+    FlagSet(FLAG_ID_SAFARI_ZONE);
+}
+
+void ResetSafariZoneFlag(void)
+{
+    FlagReset(FLAG_ID_SAFARI_ZONE);
+}
+
+
+void sub_80C81B8(void)
+{
+    sav12_xor_increment(0x11);
+    SetSafariZoneFlag();
+    ClearEveryUnkSafariZoneStruct();
+    
+    gUnknown_02038808 = 0x1E;
+    gUnknown_0203880A = 0x1F4;
+}
+
+void sub_80C81E4(void)
+{
+    ResetSafariZoneFlag();
+    ClearEveryUnkSafariZoneStruct();
+    
+    gUnknown_02038808 = 0;
+    gUnknown_0203880A = 0;
+}
+
+bool8 safari_step(void)
+{
+    if (GetSafariZoneFlag() == FALSE)
+    {
+        return FALSE;
+    }
+    
+    sub_80C8508();
+    
+    if (!(--gUnknown_0203880A))
+    {
+        ScriptContext1_SetupScript(&gUnknown_081C3448);
+        return TRUE;
+    }
+    
+    return FALSE;
+}
+
+void sub_80C823C(void)
+{
+    ScriptContext1_SetupScript(&gUnknown_081C342D);
+}
+
+void sub_80C824C(void)
+{
+    if (gUnknown_02038808 != 0)
+    {
+        SetMainCallback2(c2_exit_to_overworld_2_switch);
+    }
+    else if (gUnknown_02024D26 == 8)
+    {
+        ScriptContext2_RunNewScript(&gUnknown_081C340A);
+        warp_in();
+        gUnknown_0300485C = sub_8080E44;
+        SetMainCallback2(CB2_LoadMap);
+    }
+    else if (gUnknown_02024D26 == 7)
+    {
+        ScriptContext1_SetupScript(&gUnknown_081C3459);
+        ScriptContext1_Stop();
+        SetMainCallback2(c2_exit_to_overworld_1_continue_scripts_restart_music);
+    }
+}
+
+void ClearSingleUnkSafariZoneStruct(u8 index)
+{
+    memset(&gUnkSafariZoneStructArr[index], 0, 
+        sizeof(struct UnkSafariZoneStruct));
+}
+
+void ClearEveryUnkSafariZoneStruct(void)
+{
+    // 10 is the number of struct UnkSafariZoneStruct's in
+    // gUnkSafariZoneStructArr. It might be a good idea to create a #define
+    // for it.
+    memset(gUnkSafariZoneStructArr, 0, sizeof(struct UnkSafariZoneStruct) 
+        * 10);
+}
+
+void sub_80C82EC(void)
+{
+    s16 x, y;
+    u16 i;
+    
+    GetXYCoordsOneStepInFrontOfPlayer(&x, &y);
+    
+    // 10 is the number of struct UnkSafariZoneStruct's in
+    // gUnkSafariZoneStructArr. It might be a good idea to create a #define
+    // for it.
+    for (i = 0; i < 10; i++)
+    {
+        if (gSaveBlock1.location.mapNum == gUnkSafariZoneStructArr[i].mapNum
+            && gUnkSafariZoneStructArr[i].x == x 
+            && gUnkSafariZoneStructArr[i].y == y)
+        {
+            gScriptResult = i;
+            
+            StringCopy(gStringVar1, gUnknown_083F7EB8
+                [gUnkSafariZoneStructArr[i].pokeblock.color]);
+            
+            return;
+        }
+    }
+    
+    gScriptResult = -1;
+}
+
+void sub_80C837C(void)
+{
+    s16 x, y;
+    u16 i;
+    
+    PlayerGetDestCoords(&x, &y);
+    
+    // 10 is the number of struct UnkSafariZoneStruct's in
+    // gUnkSafariZoneStructArr. It might be a good idea to create a #define
+    // for it.
+    for (i = 0; i < 10; i++)
+    {
+        if (gSaveBlock1.location.mapNum 
+            == gUnkSafariZoneStructArr[i].mapNum)
+        {
+            x -= gUnkSafariZoneStructArr[i].x;
+            y -= gUnkSafariZoneStructArr[i].y;
+            
+            if (x < 0)
+            {
+                x *= -1;
+            }
+            if (y < 0)
+            {
+                y *= -1;
+            }
+            
+            if ((x + y) <= 5)
+            {
+                gScriptResult = i;
+                return;
+            }
+        }
+    }
+    
+    gScriptResult = -1;
+}
+
+struct Pokeblock *unref_sub_80C8418(void)
+{
+    sub_80C82EC();
+    
+    if (gScriptResult == 0xFFFF)
+    {
+        return NULL;
+    }
+    
+    return &gUnkSafariZoneStructArr[gScriptResult].pokeblock;
+}
+
+
+struct Pokeblock *sub_80C8448(void)
+{
+    sub_80C837C();
+    
+    if (gScriptResult == 0xFFFF)
+    {
+        return NULL;
+    }
+    
+    return &gUnkSafariZoneStructArr[gScriptResult].pokeblock;
+}
+
+
+void sub_80C8478(u8 pokeblock_index)
+{
+    s16 x, y;
+    u8 i;
+    
+    // 10 is the number of struct UnkSafariZoneStruct's in
+    // gUnkSafariZoneStructArr. It might be a good idea to create a #define
+    // for it.
+    for (i = 0; i < 10; i++)
+    {
+        if (gUnkSafariZoneStructArr[i].mapNum == 0 
+            && gUnkSafariZoneStructArr[i].x == 0
+            && gUnkSafariZoneStructArr[i].y == 0)
+        {
+            GetXYCoordsOneStepInFrontOfPlayer(&x, &y);
+            
+            gUnkSafariZoneStructArr[i].mapNum 
+                = gSaveBlock1.location.mapNum;
+            
+            gUnkSafariZoneStructArr[i].pokeblock
+                = gSaveBlock1.pokeblocks[pokeblock_index];
+            
+            gUnkSafariZoneStructArr[i].counter = 0x64;
+            gUnkSafariZoneStructArr[i].x = x;
+            gUnkSafariZoneStructArr[i].y = y;
+            break;
+        }
+    }
+}
+
+void sub_80C8508(void)
+{
+    u8 i;
+    
+    // 10 is the number of struct UnkSafariZoneStruct's in
+    // gUnkSafariZoneStructArr. It might be a good idea to create a #define
+    // for it.
+    for (i = 0; i < 10; i++)
+    {
+        if (gUnkSafariZoneStructArr[i].counter != 0)
+        {
+            gUnkSafariZoneStructArr[i].counter--;
+            
+            if (gUnkSafariZoneStructArr[i].counter == 0)
+            {
+                ClearSingleUnkSafariZoneStruct(i);
+            }
+        }
+    }
+}
+
+bool8 unref_sub_80C853C(void)
+{
+    sub_80C82EC();
+    
+    if (gScriptResult == 0xFFFF)
+    {
+        return FALSE;
+    }
+    
+    ConvertIntToDecimalStringN(gStringVar2, 
+        gUnkSafariZoneStructArr[gScriptResult].counter, 
+        STR_CONV_MODE_LEADING_ZEROS, 3);
+    
+    return TRUE;
+}
+
+