1 files changed, 150 insertions, 0 deletions
diff --git a/src/shop.c b/src/shop.c
new file mode 100644
index 000000000..3dd9ba102
--- /dev/null
+++ b/src/shop.c
@@ -0,0 +1,150 @@
+#include "global.h"
+#include "menu.h"
+#include "new_menu_helpers.h"
+#include "window.h"
+#include "field_specials.h"
+#include "task.h"
+#include "item.h"
+#include "main.h"
+#include "sound.h"
+
+// enums
+// RAM symbols
+// Function Declarations
+// Data Definitions
+
+
+struct ShopData {
+	/*0x00*/ void (*callback)(void);
+	/*0x04*/ const u16 *itemList;
+	/*0x08*/ u32 itemPrice;
+	/*0x0C*/ u16 cursorPos;
+	/*0x0E*/ u16 _;
+	/*0x10*/ u16 itemCount;
+	/*0x12*/ u16 field12;
+	/*0x14*/ u16 field14;
+	/*0x16*/ u16 martType:4;	// 0x1 if tm list
+             u16 unk16_4:5;
+             u16 unk16_9:7;
+	//INCOMPLETE
+};
+
+EWRAM_DATA struct ShopData gShopData = {0};
+EWRAM_DATA u8 gUnknown_2039950 = 0;
+
+//Function Declarations
+static u8 sub_809AB7C(bool32 a0);
+static void sub_809AC10(u8 taskId);
+
+// external defines
+extern const struct WindowTemplate gUnknown_83DF0BC[];	//sShopMenuWindowTemplates
+extern const struct MenuAction gUnknown_83DF09C[];	//sShopMenuActions_BuySellQuit
+
+extern void sub_809AC5C(u8 taskId);
+extern void sub_809AC98(u8 taskId);
+extern void sub_809ACF8(u8 taskId);
+
+//Data Definitions
+static const struct MenuAction sShopMenuActions_BuySellQuit[] =
+{
+	{gUnknown_8416738, {.void_u8 = sub_809AC5C}},
+	{gUnknown_841673C, {.void_u8 = sub_809AC98}},
+	{gUnknown_8416741, {.void_u8 = sub_809ACF8}}
+    //{ gText_ShopBuy, {.void_u8=Task_HandleShopMenuBuy} },
+    //{ gText_ShopSell, {.void_u8=Task_HandleShopMenuSell} },
+    //{ gText_ShopQuit, {.void_u8=Task_HandleShopMenuQuit} }
+};
+
+
+// Functions
+u8 sub_809AAB0(u8 a0)
+{
+	gShopData.martType = sub_809AB7C(a0) & 0xF;
+	gShopData.cursorPos = 0;
+	if (!(ContextNpcGetTextColor()))
+		gShopData.unk16_4 = 4;
+	else
+		gShopData.unk16_4 = 5;
+	
+	gUnknown_2039950 = AddWindow(gUnknown_83DF0BC);		//sShop
+	SetStdWindowBorderStyle(gUnknown_2039950, 0);
+	PrintTextArray(gUnknown_2039950, 2, GetMenuCursorDimensionByFont(2, 0), 2, 16, 3, gUnknown_83DF09C);
+	Menu_InitCursor(gUnknown_2039950, 2, 0, 2, 16, 3, 0);
+	PutWindowTilemap(gUnknown_2039950);
+	CopyWindowToVram(gUnknown_2039950, 1);
+	return CreateTask(sub_809AC10, 8);
+}
+
+static u8 sub_809AB7C(u32 a0)
+{	
+	u16 retVal, i;
+	if (a0)
+        return (u8)a0;
+    goto MAIN;
+    RETURN_1:
+    return 1;
+
+	MAIN:
+    i = 0;
+    if (i >= gShopData.itemCount)
+        goto RETURN_0;
+    else if (gShopData.itemList[0] == 0)
+        goto RETURN_0;
+
+    while (gShopData.itemList[i] != 0)
+    {
+        if (ItemId_GetPocket(gShopData.itemList[i]) == POCKET_TM_CASE)
+            goto RETURN_1;
+        ++i;
+        if (i >= gShopData.itemCount)
+            goto RETURN_0;
+        else if (gShopData.itemList[i] == 0)
+            goto RETURN_0;
+    }
+    RETURN_0:
+    return 0;
+}
+
+//SetShopItemsForSale
+void sub_809ABD8(const u16 *items) //I really don't know what GameFreak was thinking here..
+{    
+    struct ShopData *mart;
+    //u16 i;
+
+    mart = &gShopData;
+    mart->itemList = items;
+    mart->itemCount = 0;
+
+    //i = 0;
+    if (mart->itemList[0] == 0)
+        return;
+
+    do {
+        ++gShopData.itemCount;
+        //i = gShopData.itemCount;
+    //} while (mart->itemList[i]);
+	} while (mart->itemList[gShopData.itemCount]);
+}
+
+//SetShopMenuCallback
+void sub_809AC04(MainCallback callback)
+{
+	gShopData.callback = callback;
+}
+
+//Task_ShopMenu
+static void sub_809AC10(u8 taskId)
+{
+	s8 a0 = Menu_ProcessInputNoWrapAround();
+	if (a0 == -2)
+		return;
+	
+	if (a0 == -1)
+	{
+		PlaySE(5);
+		sub_809ACF8(taskId);
+		return;
+	}
+	//gUnknown_83DF09C.func.void_u8(Menu_GetCursorPos());
+}
+