sovereignx/src/field_region_map.c

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2017-10-29 14:38:25 +00:00
// Includes
#include "global.h"
#include "main.h"
#include "malloc.h"
#include "gpu_regs.h"
#include "bg.h"
#include "text.h"
#include "window.h"
#include "text_window.h"
#include "palette.h"
#include "menu.h"
// Static type declarations
// Static RAM declarations
EWRAM_DATA struct {
MainCallback callback;
u8 filler_004[0x888];
u16 unk_88c;
} *gUnknown_0203BCD0 = NULL;
// Static ROM declarations
static void sub_81701C4(void);
static void sub_8170260(void);
static void sub_8170274(void);
void sub_8170290(void);
// .rodata
extern const struct BgTemplate gUnknown_085E5068[];
extern const struct WindowTemplate gUnknown_085E5070[];
// .text
void sub_817018C(MainCallback callback)
{
SetVBlankCallback(NULL);
gUnknown_0203BCD0 = malloc(sizeof(*gUnknown_0203BCD0));
gUnknown_0203BCD0->unk_88c = 0;
gUnknown_0203BCD0->callback = callback;
SetMainCallback2(sub_81701C4);
}
static void sub_81701C4(void)
{
SetGpuReg(REG_OFFSET_DISPCNT, 0);
SetGpuReg(REG_OFFSET_BG0HOFS, 0);
SetGpuReg(REG_OFFSET_BG0VOFS, 0);
SetGpuReg(REG_OFFSET_BG1HOFS, 0);
SetGpuReg(REG_OFFSET_BG1VOFS, 0);
SetGpuReg(REG_OFFSET_BG2HOFS, 0);
SetGpuReg(REG_OFFSET_BG2VOFS, 0);
SetGpuReg(REG_OFFSET_BG3HOFS, 0);
SetGpuReg(REG_OFFSET_BG3VOFS, 0);
ResetSpriteData();
FreeAllSpritePalettes();
ResetBgsAndClearDma3BusyFlags(0);
InitBgsFromTemplates(1, gUnknown_085E5068, 2);
InitWindows(gUnknown_085E5070);
DeactivateAllTextPrinters();
sub_809882C(0, 0x27, 0xd0);
clear_scheduled_bg_copies_to_vram();
SetMainCallback2(sub_8170274);
SetVBlankCallback(sub_8170260);
}
static void sub_8170260(void)
{
LoadOam();
ProcessSpriteCopyRequests();
TransferPlttBuffer();
}
static void sub_8170274(void)
{
sub_8170290();
AnimateSprites();
BuildOamBuffer();
UpdatePaletteFade();
do_scheduled_bg_tilemap_copies_to_vram();
}