start shop.c

1 files changed, 68 insertions, 0 deletions

diff --git a/src/shop.c b/src/shop.c
new file mode 100644
index 000000000..25b1f2a74
--- /dev/null
+++ b/src/shop.c
@@ -0,0 +1,68 @@
+#include "global.h"
+#include "menu.h"
+#include "new_menu_helpers.h"
+#include "window.h"
+#include "field_specials.h"
+#include "task.h"
+
+
+
+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_1:5;
+			 u16 unk16_2:7;
+	//INCOMPLETE
+};
+
+
+// external defines
+extern const struct WindowTemplate gUnknown_83DF0BC[];	//sShopMenuWindowTemplates
+extern const struct MenuAction gUnknown_83DF09C[];	//sShopMenuActions_BuySellQuit
+
+extern u8 sub_809AB7C(u8 a);
+extern void sub_809AC10(u8 taskId);
+
+EWRAM_DATA struct ShopData gShopData = {0};
+EWRAM_DATA u8 gUnknown_2039950 = 0;
+
+
+
+u8 sub_809AAB0(u8 a0)
+{
+	u32 v1, v2;
+	
+	//gShopData.martType = (sub_809AB7C(a0) & 0xF) | ((u8) gShopData.martType & 0xF0);
+	gShopData.martType = sub_809AB7C(a0);
+	gShopData.cursorPos = 0;
+	if (!(ContextNpcGetTextColor()))
+	{
+		v1 = (u16) gShopData.unk16_1;
+		v1 = ~(0x1F0);
+		//v1 = (s16) gShopData.unk16_1 & 0xFFFFFE0F;
+		//v1 = gShopData.unk16_1 & (u32) 0xFFFFFE0F;
+		//v1 &= 0xFE0F;
+		v2 = 0x40;
+	}
+	else
+	{
+		v1 = (u16) gShopData.unk16_1;
+		v1 = ~(0x1F0);
+		v2 = 0x50;
+	}
+	gShopData.martType = v1 | v2;
+	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);
+}