#include "global.h"
#include "decompress.h"
#include "palette.h"
#include "graphics.h"
#include "text.h"
#include "menu.h"
#include "battle.h"
#include "contest.h"
#include "link.h"

#define ABS(x) ((x) < 0 ? -(x) : (x))

void sub_80C37E4(void);
u8 sub_80C3990(u8 a0, u8 a5);
s8 sub_80C39E4(u8 a0, u8 a5);

void sub_80C2020(void)
{
    REG_DISPCNT = DISPCNT_OBJ_1D_MAP;
    Text_LoadWindowTemplate(&gWindowTemplate_81E6FA0);
    Text_InitWindowWithTemplate(&gMenuWindow, &gWindowTemplate_81E6FA0);
    REG_BG0CNT = BGCNT_WRAP | BGCNT_SCREENBASE(30);
    REG_BG1CNT = BGCNT_PRIORITY(3) | BGCNT_SCREENBASE(24);
    REG_BG2CNT = BGCNT_PRIORITY(3) | BGCNT_SCREENBASE(28);
    REG_BG3CNT = BGCNT_WRAP | BGCNT_PRIORITY(3) | BGCNT_SCREENBASE(26);
    REG_MOSAIC = 0;
    REG_WININ = 0x3f3f;
    REG_WINOUT = 0x3f2e;
    REG_WIN0H = 0;
    REG_WIN0V = 0;
    REG_WIN1H = 0;
    REG_WIN1V = 0;
    REG_BLDCNT = 0;
    REG_BLDALPHA = 0;
    REG_BLDY = 0;
    REG_BG0HOFS = 0;
    REG_BG0VOFS = 0;
    REG_BG1HOFS = 0;
    REG_BG1VOFS = 0;
    REG_BG2HOFS = 0;
    REG_BG2VOFS = 0;
    REG_BG3HOFS = 0;
    REG_BG3VOFS = 0;
    REG_DISPCNT |= DISPCNT_BG_ALL_ON | DISPCNT_OBJ_ON | DISPCNT_WIN0_ON | DISPCNT_WIN1_ON;
    gBattle_BG0_X = 0;
    gBattle_BG0_Y = 0;
    gBattle_BG1_X = 0;
    gBattle_BG1_Y = 0;
    gBattle_BG2_X = 0;
    gBattle_BG2_Y = 0;
    gBattle_BG3_X = 0;
    gBattle_BG3_Y = 0;
    gBattle_WIN0H = 0;
    gBattle_WIN0V = 0;
    gBattle_WIN1H = 0;
    gBattle_WIN1V = 0;
}

void sub_80C2144(void)
{
    int i;
    int j;
    s8 r7;
    s8 r4;
    u16 r6;
    u16 r3;

    DmaFill32Large(3, 0, VRAM, VRAM_SIZE, 0x1000);
    LZDecompressVram(gUnknown_08D1977C, BG_SCREEN_ADDR(0));
    LZDecompressVram(gUnknown_08D1A490, BG_SCREEN_ADDR(26));
    LZDecompressVram(gUnknown_08D1A364, BG_SCREEN_ADDR(28));
    LZDecompressVram(gUnknown_08D1A250, BG_SCREEN_ADDR(30));
    sub_80C37E4();
    LoadCompressedPalette(gUnknown_08D1A618, 0, 0x200);
    LoadFontDefaultPalette(&gWindowTemplate_81E6FA0);
    for (i = 0; i < 4; i++)
    {
        r7 = sub_80C3990(i, 1);
        r4 = sub_80C39E4(i, 1);
        for (j = 0; j < 10; j++)
        {
            r6 = 0x60b2;
            if (j < r7)
                r6 = 0x60b4;
            if (j < ABS(r4))
            {
                r3 = 0x60a4;
                if (r4 < 0)
                    r3 = 0x60a6;
            }
            else
                r3 = 0x60a2;
            ((u16 *)BG_VRAM)[i * 0x60 + j + 0x60b3] = r6;
            ((u16 *)BG_VRAM)[i * 0x60 + j + 0x60d3] = r3;
        }
    }
}