Decompile berry_powder.c

4 files changed, 132 insertions, 6 deletions

diff --git a/src/berry_powder.c b/src/berry_powder.c
new file mode 100755
index 000000000..91f9d0d4e
--- /dev/null
+++ b/src/berry_powder.c
@@ -0,0 +1,128 @@
+#include "global.h"
+#include "berry_powder.h"
+#include "bg.h"
+#include "event_data.h"
+#include "load_save.h"
+#include "menu.h"
+#include "string_util.h"
+#include "strings.h"
+#include "text.h"
+#include "text_window.h"
+#include "window.h"
+
+#define MAX_BERRY_POWDER 99999
+
+static EWRAM_DATA u8 sBerryPowderVendorWindowId = 0;
+
+static u32 DecryptBerryPowder(u32 *powder)
+{
+    return *powder ^ gSaveBlock2Ptr->encryptionKey;
+}
+
+void SetBerryPowder(u32 *powder, u32 amount)
+{
+    *powder = amount ^ gSaveBlock2Ptr->encryptionKey;
+}
+
+void ApplyNewEncryptionKeyToBerryPowder(u32 encryptionKey)
+{
+    u32 *powder = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    ApplyNewEncryptionKeyToWord(powder, encryptionKey);
+}
+
+static bool8 HasEnoughBerryPowder_(u32 cost)
+{
+    u32 *powder = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    if (DecryptBerryPowder(powder) < cost)
+        return FALSE;
+    else
+        return TRUE;
+}
+
+bool8 HasEnoughBerryPowder(void)
+{
+    u32 *powder = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    if (DecryptBerryPowder(powder) < gSpecialVar_0x8004)
+        return FALSE;
+    else
+        return TRUE;
+}
+
+bool8 GiveBerryPowder(u32 amountToAdd)
+{
+    u32 *powder = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    u32 amount = DecryptBerryPowder(powder) + amountToAdd;
+    if (amount > MAX_BERRY_POWDER)
+    {
+        SetBerryPowder(powder, MAX_BERRY_POWDER);
+        return FALSE;
+    }
+    else
+    {
+        SetBerryPowder(powder, amount);
+        return TRUE;
+    }
+}
+
+static bool8 TakeBerryPowder_(u32 cost)
+{
+    u32 *powder = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    if (!HasEnoughBerryPowder_(cost))
+        return FALSE;
+
+    SetBerryPowder(powder, DecryptBerryPowder(powder) - cost);
+    return TRUE;
+}
+
+bool8 TakeBerryPowder(void)
+{
+    u32 *powder = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    if (!HasEnoughBerryPowder_(gSpecialVar_0x8004))
+        return FALSE;
+
+    SetBerryPowder(powder, DecryptBerryPowder(powder) - gSpecialVar_0x8004);
+    return TRUE;
+}
+
+u32 GetBerryPowder(void)
+{
+    u32 *powder = &gSaveBlock2Ptr->berryCrush.berryPowderAmount;
+    return DecryptBerryPowder(powder);
+}
+
+static void PrintBerryPowderAmount(u8 windowId, int amount, u8 x, u8 y, u8 speed)
+{
+    ConvertIntToDecimalStringN(gStringVar1, amount, STR_CONV_MODE_RIGHT_ALIGN, 5);
+    AddTextPrinterParameterized(windowId, 1, gStringVar1, x, y, speed, NULL);
+}
+
+static void DrawPlayerPowderAmount(u8 windowId, u16 baseTileOffset, u8 paletteNum, u32 amount)
+{
+    DrawStdFrameWithCustomTileAndPalette(windowId, FALSE, baseTileOffset, paletteNum);
+    AddTextPrinterParameterized(windowId, 1, gText_Powder, 0, 1, TEXT_SPEED_FF, NULL);
+    PrintBerryPowderAmount(windowId, amount, 26, 17, 0);
+}
+
+void PrintPlayerBerryPowderAmount(void)
+{
+    u32 amount = GetBerryPowder();
+    PrintBerryPowderAmount(sBerryPowderVendorWindowId, amount, 26, 17, 0);
+}
+
+void DisplayBerryPowderVendorMenu(void)
+{
+    struct WindowTemplate template;
+    SetWindowTemplateFields(&template, 0, 1, 1, 7, 4, 15, 0x1C);
+    sBerryPowderVendorWindowId = AddWindow(&template);
+    FillWindowPixelBuffer(sBerryPowderVendorWindowId, PIXEL_FILL(0));
+    PutWindowTilemap(sBerryPowderVendorWindowId);
+    LoadUserWindowBorderGfx_(sBerryPowderVendorWindowId, 0x21D, 0xD0);
+    DrawPlayerPowderAmount(sBerryPowderVendorWindowId, 0x21D, 13, GetBerryPowder());
+}
+
+void RemoveBerryPowderVendorMenu(void)
+{
+    ClearWindowTilemap(sBerryPowderVendorWindowId);
+    ClearStdWindowAndFrameToTransparent(sBerryPowderVendorWindowId, TRUE);
+    RemoveWindow(sBerryPowderVendorWindowId);
+}
diff --git a/src/item_use.c b/src/item_use.c
index e646a18ee..7947964ca 100755
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -4,6 +4,7 @@
 #include "battle_pyramid.h"
 #include "battle_pyramid_bag.h"
 #include "berry.h"
+#include "berry_powder.h"
 #include "bike.h"
 #include "coins.h"
 #include "data2.h"
@@ -45,8 +46,6 @@ extern u8 Route102_EventScript_274482[];
 extern u8 Route102_EventScript_2744C0[];
 extern u8 BattleFrontier_OutsideEast_EventScript_242CFC[];
 
-extern s32 sub_80247BC(void);
-
 void SetUpItemUseCallback(u8 taskId);
 void MapPostLoadHook_UseItem(void);
 void sub_80AF6D4(void);
@@ -638,7 +637,7 @@ void ItemUseOutOfBattle_CoinCase(u8 taskId)
 
 void ItemUseOutOfBattle_PowderJar(u8 taskId)
 {
-    ConvertIntToDecimalStringN(gStringVar1, sub_80247BC(), 0, 5);
+    ConvertIntToDecimalStringN(gStringVar1, GetBerryPowder(), 0, 5);
     StringExpandPlaceholders(gStringVar4, gText_PowderQty);
 
     if (!gTasks[taskId].data[3])
diff --git a/src/load_save.c b/src/load_save.c
index d6785254f..150c557c6 100644
--- a/src/load_save.c
+++ b/src/load_save.c
@@ -1,5 +1,6 @@
 #include "global.h"
 #include "alloc.h"
+#include "berry_powder.h"
 #include "item.h"
 #include "load_save.h"
 #include "main.h"
@@ -15,8 +16,6 @@
 
 static void ApplyNewEncryptionKeyToAllEncryptedData(u32 encryptionKey);
 
-extern void ApplyNewEncryptionKeyToBerryPowder(u32 key);
-
 #define SAVEBLOCK_MOVE_RANGE    128
 
 struct LoadedSaveData
diff --git a/src/new_game.c b/src/new_game.c
index 2e8930f7c..64c5779c1 100644
--- a/src/new_game.c
+++ b/src/new_game.c
@@ -41,12 +41,12 @@
 #include "secret_base.h"
 #include "player_pc.h"
 #include "field_specials.h"
+#include "berry_powder.h"
 
 
 extern void copy_strings_to_sav1(void);
 extern void sub_801AFD8(void);
 extern void ResetPokeJumpResults(void);
-extern void SetBerryPowder(u32* powder, u32 newValue);
 
 extern const u8 EventScript_ResetAllMapFlags[];