mirror of
https://github.com/Ninjdai1/pokeemerald.git
synced 2024-11-18 20:47:40 +01:00
422 lines
9.1 KiB
C
422 lines
9.1 KiB
C
#include "global.h"
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#include "crt0.h"
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#include "alloc.h"
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#include "link.h"
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#include "link_rfu.h"
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#include "librfu.h"
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#include "m4a.h"
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#include "bg.h"
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#include "rtc.h"
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#include "scanline_effect.h"
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#include "overworld.h"
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#include "play_time.h"
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#include "random.h"
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#include "dma3.h"
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#include "gba/flash_internal.h"
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#include "load_save.h"
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#include "gpu_regs.h"
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#include "agb_flash.h"
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#include "sound.h"
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#include "battle.h"
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#include "battle_controllers.h"
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#include "text.h"
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#include "intro.h"
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#include "main.h"
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#include "trainer_hill.h"
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extern void sub_800B9B8(void);
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extern u8 gUnknown_03002748;
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static void VBlankIntr(void);
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static void HBlankIntr(void);
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static void VCountIntr(void);
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static void SerialIntr(void);
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static void IntrDummy(void);
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const u8 gGameVersion = GAME_VERSION;
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const u8 gGameLanguage = GAME_LANGUAGE; // English
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const char BuildDateTime[] = "2005 02 21 11:10";
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const IntrFunc gIntrTableTemplate[] =
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{
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VCountIntr, // V-count interrupt
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SerialIntr, // Serial interrupt
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Timer3Intr, // Timer 3 interrupt
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HBlankIntr, // H-blank interrupt
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VBlankIntr, // V-blank interrupt
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IntrDummy, // Timer 0 interrupt
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IntrDummy, // Timer 1 interrupt
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IntrDummy, // Timer 2 interrupt
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IntrDummy, // DMA 0 interrupt
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IntrDummy, // DMA 1 interrupt
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IntrDummy, // DMA 2 interrupt
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IntrDummy, // DMA 3 interrupt
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IntrDummy, // Key interrupt
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IntrDummy, // Game Pak interrupt
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};
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#define INTR_COUNT ((int)(sizeof(gIntrTableTemplate)/sizeof(IntrFunc)))
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static u16 gUnknown_03000000;
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u16 gKeyRepeatStartDelay;
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bool8 gLinkTransferringData;
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struct Main gMain;
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u16 gKeyRepeatContinueDelay;
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bool8 gSoftResetDisabled;
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IntrFunc gIntrTable[INTR_COUNT];
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u8 gLinkVSyncDisabled;
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u32 IntrMain_Buffer[0x200];
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s8 gPcmDmaCounter;
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static EWRAM_DATA u16 gTrainerId = 0;
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//EWRAM_DATA void (**gFlashTimerIntrFunc)(void) = NULL;
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static void UpdateLinkAndCallCallbacks(void);
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static void InitMainCallbacks(void);
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static void CallCallbacks(void);
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static void SeedRngWithRtc(void);
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static void ReadKeys(void);
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void InitIntrHandlers(void);
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static void WaitForVBlank(void);
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void EnableVCountIntrAtLine150(void);
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#define B_START_SELECT (B_BUTTON | START_BUTTON | SELECT_BUTTON)
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void AgbMain()
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{
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RegisterRamReset(RESET_ALL);
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*(vu16 *)BG_PLTT = 0x7FFF;
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InitGpuRegManager();
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REG_WAITCNT = WAITCNT_PREFETCH_ENABLE | WAITCNT_WS0_S_1 | WAITCNT_WS0_N_3;
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InitKeys();
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InitIntrHandlers();
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m4aSoundInit();
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EnableVCountIntrAtLine150();
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sub_800E6D0();
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RtcInit();
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CheckForFlashMemory();
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InitMainCallbacks();
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InitMapMusic();
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ClearDma3Requests();
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ResetBgs();
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SetDefaultFontsPointer();
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InitHeap(gHeap, HEAP_SIZE);
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gSoftResetDisabled = FALSE;
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if (gFlashMemoryPresent != TRUE)
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SetMainCallback2(NULL);
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gLinkTransferringData = FALSE;
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gUnknown_03000000 = 0xFC0;
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for (;;)
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{
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ReadKeys();
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if (gSoftResetDisabled == FALSE
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&& (gMain.heldKeysRaw & A_BUTTON)
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&& (gMain.heldKeysRaw & B_START_SELECT) == B_START_SELECT)
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{
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rfu_REQ_stopMode();
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rfu_waitREQComplete();
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DoSoftReset();
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}
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if (sub_8087634() == 1)
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{
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gLinkTransferringData = TRUE;
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UpdateLinkAndCallCallbacks();
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gLinkTransferringData = FALSE;
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}
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else
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{
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gLinkTransferringData = FALSE;
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UpdateLinkAndCallCallbacks();
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if (sub_80875C8() == 1)
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{
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gMain.newKeys = 0;
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ClearSpriteCopyRequests();
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gLinkTransferringData = TRUE;
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UpdateLinkAndCallCallbacks();
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gLinkTransferringData = FALSE;
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}
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}
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PlayTimeCounter_Update();
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MapMusicMain();
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WaitForVBlank();
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}
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}
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static void UpdateLinkAndCallCallbacks(void)
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{
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if (!HandleLinkConnection())
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CallCallbacks();
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}
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static void InitMainCallbacks(void)
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{
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gMain.vblankCounter1 = 0;
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gUnknown_0203CF5C = NULL;
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gMain.vblankCounter2 = 0;
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gMain.callback1 = NULL;
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SetMainCallback2(CB2_InitCopyrightScreenAfterBootup);
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gSaveBlock2Ptr = &gSaveblock2;
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gPokemonStoragePtr = &gPokemonStorage;
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}
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static void CallCallbacks(void)
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{
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if (gMain.callback1)
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gMain.callback1();
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if (gMain.callback2)
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gMain.callback2();
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}
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void SetMainCallback2(MainCallback callback)
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{
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gMain.callback2 = callback;
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gMain.state = 0;
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}
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void StartTimer1(void)
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{
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REG_TM1CNT_H = 0x80;
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}
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void SeedRngAndSetTrainerId(void)
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{
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u16 val = REG_TM1CNT_L;
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SeedRng(val);
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REG_TM1CNT_H = 0;
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gTrainerId = val;
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}
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u16 GetGeneratedTrainerIdLower(void)
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{
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return gTrainerId;
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}
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void EnableVCountIntrAtLine150(void)
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{
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u16 gpuReg = (GetGpuReg(REG_OFFSET_DISPSTAT) & 0xFF) | (150 << 8);
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SetGpuReg(REG_OFFSET_DISPSTAT, gpuReg | DISPSTAT_VCOUNT_INTR);
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EnableInterrupts(INTR_FLAG_VCOUNT);
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}
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void InitKeys(void)
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{
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gKeyRepeatContinueDelay = 5;
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gKeyRepeatStartDelay = 40;
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gMain.heldKeys = 0;
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gMain.newKeys = 0;
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gMain.newAndRepeatedKeys = 0;
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gMain.heldKeysRaw = 0;
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gMain.newKeysRaw = 0;
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}
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static void ReadKeys(void)
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{
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u16 keyInput = REG_KEYINPUT ^ KEYS_MASK;
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gMain.newKeysRaw = keyInput & ~gMain.heldKeysRaw;
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gMain.newKeys = gMain.newKeysRaw;
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gMain.newAndRepeatedKeys = gMain.newKeysRaw;
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// BUG: Key repeat won't work when pressing L using L=A button mode
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// because it compares the raw key input with the remapped held keys.
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// Note that newAndRepeatedKeys is never remapped either.
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if (keyInput != 0 && gMain.heldKeys == keyInput)
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{
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gMain.keyRepeatCounter--;
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if (gMain.keyRepeatCounter == 0)
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{
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gMain.newAndRepeatedKeys = keyInput;
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gMain.keyRepeatCounter = gKeyRepeatContinueDelay;
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}
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}
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else
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{
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// If there is no input or the input has changed, reset the counter.
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gMain.keyRepeatCounter = gKeyRepeatStartDelay;
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}
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gMain.heldKeysRaw = keyInput;
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gMain.heldKeys = gMain.heldKeysRaw;
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// Remap L to A if the L=A option is enabled.
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if (gSaveBlock2Ptr->optionsButtonMode == 2)
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{
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if (gMain.newKeys & L_BUTTON)
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gMain.newKeys |= A_BUTTON;
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if (gMain.heldKeys & L_BUTTON)
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gMain.heldKeys |= A_BUTTON;
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}
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if (gMain.newKeys & gMain.watchedKeysMask)
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gMain.watchedKeysPressed = TRUE;
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}
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void InitIntrHandlers(void)
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{
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int i;
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for (i = 0; i < INTR_COUNT; i++)
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gIntrTable[i] = gIntrTableTemplate[i];
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DmaCopy32(3, IntrMain, IntrMain_Buffer, sizeof(IntrMain_Buffer));
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INTR_VECTOR = IntrMain_Buffer;
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SetVBlankCallback(NULL);
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SetHBlankCallback(NULL);
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SetSerialCallback(NULL);
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REG_IME = 1;
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EnableInterrupts(0x1);
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}
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void SetVBlankCallback(IntrCallback callback)
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{
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gMain.vblankCallback = callback;
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}
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void SetHBlankCallback(IntrCallback callback)
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{
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gMain.hblankCallback = callback;
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}
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void SetVCountCallback(IntrCallback callback)
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{
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gMain.vcountCallback = callback;
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}
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void RestoreSerialTimer3IntrHandlers(void)
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{
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gIntrTable[1] = SerialIntr;
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gIntrTable[2] = Timer3Intr;
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}
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void SetSerialCallback(IntrCallback callback)
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{
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gMain.serialCallback = callback;
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}
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extern void CopyBufferedValuesToGpuRegs(void);
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static void VBlankIntr(void)
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{
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if (gWirelessCommType != 0)
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RfuVSync();
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else if (gLinkVSyncDisabled == FALSE)
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LinkVSync();
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gMain.vblankCounter1++;
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if (gUnknown_0203CF5C && *gUnknown_0203CF5C < 0xFFFFFFFF)
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(*gUnknown_0203CF5C)++;
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if (gMain.vblankCallback)
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gMain.vblankCallback();
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gMain.vblankCounter2++;
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CopyBufferedValuesToGpuRegs();
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ProcessDma3Requests();
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gPcmDmaCounter = gSoundInfo.pcmDmaCounter;
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m4aSoundMain();
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sub_8033648();
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if (!gMain.inBattle || !(gBattleTypeFlags & (BATTLE_TYPE_LINK | BATTLE_TYPE_FRONTIER | BATTLE_TYPE_RECORDED)))
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Random();
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sub_800E174();
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INTR_CHECK |= INTR_FLAG_VBLANK;
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gMain.intrCheck |= INTR_FLAG_VBLANK;
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}
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void InitFlashTimer(void)
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{
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SetFlashTimerIntr(2, gIntrTable + 0x7);
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}
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static void HBlankIntr(void)
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{
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if (gMain.hblankCallback)
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gMain.hblankCallback();
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INTR_CHECK |= INTR_FLAG_HBLANK;
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gMain.intrCheck |= INTR_FLAG_HBLANK;
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}
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static void VCountIntr(void)
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{
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if (gMain.vcountCallback)
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gMain.vcountCallback();
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m4aSoundVSync();
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INTR_CHECK |= INTR_FLAG_VCOUNT;
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gMain.intrCheck |= INTR_FLAG_VCOUNT;
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}
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static void SerialIntr(void)
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{
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if (gMain.serialCallback)
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gMain.serialCallback();
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INTR_CHECK |= INTR_FLAG_SERIAL;
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gMain.intrCheck |= INTR_FLAG_SERIAL;
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}
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static void IntrDummy(void)
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{}
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static void WaitForVBlank(void)
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{
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gMain.intrCheck &= ~INTR_FLAG_VBLANK;
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while (!(gMain.intrCheck & INTR_FLAG_VBLANK))
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;
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}
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void sub_80008DC(u32 *var)
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{
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gUnknown_0203CF5C = var;
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}
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void sub_80008E8(void)
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{
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gUnknown_0203CF5C = NULL;
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}
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void DoSoftReset(void)
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{
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REG_IME = 0;
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m4aSoundVSyncOff();
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ScanlineEffect_Stop();
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DmaStop(1);
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DmaStop(2);
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DmaStop(3);
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SiiRtcProtect();
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SoftReset(RESET_ALL);
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}
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void ClearPokemonCrySongs(void)
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{
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CpuFill16(0, gPokemonCrySongs, MAX_POKEMON_CRIES * sizeof(struct PokemonCrySong));
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}
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