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Document cave transition code.

This commit is contained in:
tustin2121 2019-09-10 13:40:28 -04:00
parent 258784f263
commit 711e7d884c
3 changed files with 78 additions and 77 deletions
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2
include/fldeff.h
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@ -33,7 +33,7 @@ void sub_8161560(u8 taskId);
// flash // flash
bool8 SetUpFieldMove_Flash(void); bool8 SetUpFieldMove_Flash(void);
void c2_change_map(void); void CB2_DoChangeMap(void);
bool8 GetMapPairFadeToType(u8 a1, u8 a2); bool8 GetMapPairFadeToType(u8 a1, u8 a2);
bool8 GetMapPairFadeFromType(u8 a1, u8 a2); bool8 GetMapPairFadeFromType(u8 a1, u8 a2);

151
src/fldeff_flash.c
View File

@ -14,12 +14,13 @@
#include "sprite.h" #include "sprite.h"
#include "task.h" #include "task.h"
#include "constants/songs.h" #include "constants/songs.h"
#include "constants/map_types.h"
// structures // structures
struct FlashStruct struct FlashStruct
{ {
u8 unk0; u8 fromType;
u8 unk1; u8 toType;
bool8 unk2; bool8 unk2;
bool8 unk3; bool8 unk3;
void (*func)(void); void (*func)(void);
@ -28,38 +29,38 @@ struct FlashStruct
// static functions // static functions
static void hm2_flash(void); static void hm2_flash(void);
static void sub_81371B4(void); static void sub_81371B4(void);
static bool8 sub_8137304(void); static bool8 MaybeDoMapTransition(void);
static void sub_81373F0(void); static void DoExitCaveTransition(void);
static void sub_8137404(u8 taskId); static void Task_ExitCaveTransition1(u8 taskId);
static void sub_8137420(u8 taskId); static void Task_ExitCaveTransition2(u8 taskId);
static void sub_81374C4(u8 taskId); static void Task_ExitCaveTransition3(u8 taskId);
static void sub_813750C(u8 taskId); static void Task_ExitCaveTransition4(u8 taskId);
static void sub_8137574(u8 taskId); static void Task_ExitCaveTransition5(u8 taskId);
static void sub_81375A8(void); static void DoEnterCaveTransition(void);
static void sub_81375BC(u8 taskId); static void Task_EnterCaveTransition1(u8 taskId);
static void sub_81375D8(u8 taskId); static void Task_EnterCaveTransition2(u8 taskId);
static void sub_8137678(u8 taskId); static void Task_EnterCaveTransition3(u8 taskId);
static void sub_81376DC(u8 taskId); static void Task_EnterCaveTransition4(u8 taskId);
// rodata // rodata
static const struct FlashStruct gUnknown_085B27C8[] = static const struct FlashStruct sTransitionTypes[] =
{ {
{1, 4, 1, 0, sub_81375A8}, {MAP_TYPE_TOWN, MAP_TYPE_UNDERGROUND, 1, 0, DoEnterCaveTransition},
{2, 4, 1, 0, sub_81375A8}, {MAP_TYPE_CITY, MAP_TYPE_UNDERGROUND, 1, 0, DoEnterCaveTransition},
{3, 4, 1, 0, sub_81375A8}, {MAP_TYPE_ROUTE, MAP_TYPE_UNDERGROUND, 1, 0, DoEnterCaveTransition},
{5, 4, 1, 0, sub_81375A8}, {MAP_TYPE_UNDERWATER, MAP_TYPE_UNDERGROUND, 1, 0, DoEnterCaveTransition},
{6, 4, 1, 0, sub_81375A8}, {MAP_TYPE_OCEAN_ROUTE, MAP_TYPE_UNDERGROUND, 1, 0, DoEnterCaveTransition},
{7, 4, 1, 0, sub_81375A8}, {MAP_TYPE_UNUSED_2, MAP_TYPE_UNDERGROUND, 1, 0, DoEnterCaveTransition},
{8, 4, 1, 0, sub_81375A8}, {MAP_TYPE_INDOOR, MAP_TYPE_UNDERGROUND, 1, 0, DoEnterCaveTransition},
{9, 4, 1, 0, sub_81375A8}, {MAP_TYPE_SECRET_BASE, MAP_TYPE_UNDERGROUND, 1, 0, DoEnterCaveTransition},
{4, 1, 0, 1, sub_81373F0}, {MAP_TYPE_UNDERGROUND, MAP_TYPE_TOWN, 0, 1, DoExitCaveTransition},
{4, 2, 0, 1, sub_81373F0}, {MAP_TYPE_UNDERGROUND, MAP_TYPE_CITY, 0, 1, DoExitCaveTransition},
{4, 3, 0, 1, sub_81373F0}, {MAP_TYPE_UNDERGROUND, MAP_TYPE_ROUTE, 0, 1, DoExitCaveTransition},
{4, 5, 0, 1, sub_81373F0}, {MAP_TYPE_UNDERGROUND, MAP_TYPE_UNDERWATER, 0, 1, DoExitCaveTransition},
{4, 6, 0, 1, sub_81373F0}, {MAP_TYPE_UNDERGROUND, MAP_TYPE_OCEAN_ROUTE, 0, 1, DoExitCaveTransition},
{4, 7, 0, 1, sub_81373F0}, {MAP_TYPE_UNDERGROUND, MAP_TYPE_UNUSED_2, 0, 1, DoExitCaveTransition},
{4, 8, 0, 1, sub_81373F0}, {MAP_TYPE_UNDERGROUND, MAP_TYPE_INDOOR, 0, 1, DoExitCaveTransition},
{4, 9, 0, 1, sub_81373F0}, {MAP_TYPE_UNDERGROUND, MAP_TYPE_SECRET_BASE, 0, 1, DoExitCaveTransition},
{0, 0, 0, 0, NULL}, {0, 0, 0, 0, NULL},
}; };
@ -108,7 +109,7 @@ static void sub_81371B4(void)
ScriptContext1_SetupScript(EventScript_2926F8); ScriptContext1_SetupScript(EventScript_2926F8);
} }
static void sub_81371D4(void) static void CB2_ChangeMapMain(void)
{ {
RunTasks(); RunTasks();
AnimateSprites(); AnimateSprites();
@ -116,14 +117,14 @@ static void sub_81371D4(void)
UpdatePaletteFade(); UpdatePaletteFade();
} }
static void sub_81371EC(void) static void VBC_ChangeMapVBlank(void)
{ {
LoadOam(); LoadOam();
ProcessSpriteCopyRequests(); ProcessSpriteCopyRequests();
TransferPlttBuffer(); TransferPlttBuffer();
} }
void c2_change_map(void) void CB2_DoChangeMap(void)
{ {
u16 ime; u16 ime;
@ -148,23 +149,23 @@ void c2_change_map(void)
REG_IME = 0; REG_IME = 0;
REG_IE |= INTR_FLAG_VBLANK; REG_IE |= INTR_FLAG_VBLANK;
REG_IME = ime; REG_IME = ime;
SetVBlankCallback(sub_81371EC); SetVBlankCallback(VBC_ChangeMapVBlank);
SetMainCallback2(sub_81371D4); SetMainCallback2(CB2_ChangeMapMain);
if (!sub_8137304()) if (!MaybeDoMapTransition())
SetMainCallback2(gMain.savedCallback); SetMainCallback2(gMain.savedCallback);
} }
static bool8 sub_8137304(void) static bool8 MaybeDoMapTransition(void)
{ {
u8 i; u8 i;
u8 v0 = GetLastUsedWarpMapType(); u8 fromType = GetLastUsedWarpMapType();
u8 v1 = GetCurrentMapType(); u8 toType = GetCurrentMapType();
for (i = 0; gUnknown_085B27C8[i].unk0; i++) for (i = 0; sTransitionTypes[i].fromType; i++)
{ {
if (gUnknown_085B27C8[i].unk0 == v0 && gUnknown_085B27C8[i].unk1 == v1) if (sTransitionTypes[i].fromType == fromType && sTransitionTypes[i].toType == toType)
{ {
gUnknown_085B27C8[i].func(); sTransitionTypes[i].func();
return TRUE; return TRUE;
} }
} }
@ -172,51 +173,51 @@ static bool8 sub_8137304(void)
return FALSE; return FALSE;
} }
bool8 GetMapPairFadeToType(u8 a1, u8 a2) bool8 GetMapPairFadeToType(u8 _fromType, u8 _toType)
{ {
u8 i; u8 i;
u8 v0 = a1; u8 fromType = _fromType;
u8 v1 = a2; u8 toType = _toType;
for (i = 0; gUnknown_085B27C8[i].unk0; i++) for (i = 0; sTransitionTypes[i].fromType; i++)
{ {
if (gUnknown_085B27C8[i].unk0 == v0 && gUnknown_085B27C8[i].unk1 == v1) if (sTransitionTypes[i].fromType == fromType && sTransitionTypes[i].toType == toType)
{ {
return gUnknown_085B27C8[i].unk2; return sTransitionTypes[i].unk2;
} }
} }
return FALSE; return FALSE;
} }
bool8 GetMapPairFadeFromType(u8 a1, u8 a2) bool8 GetMapPairFadeFromType(u8 _fromType, u8 _toType)
{ {
u8 i; u8 i;
u8 v0 = a1; u8 fromType = _fromType;
u8 v1 = a2; u8 toType = _toType;
for (i = 0; gUnknown_085B27C8[i].unk0; i++) for (i = 0; sTransitionTypes[i].fromType; i++)
{ {
if (gUnknown_085B27C8[i].unk0 == v0 && gUnknown_085B27C8[i].unk1 == v1) if (sTransitionTypes[i].fromType == fromType && sTransitionTypes[i].toType == toType)
{ {
return gUnknown_085B27C8[i].unk3; return sTransitionTypes[i].unk3;
} }
} }
return FALSE; return FALSE;
} }
static void sub_81373F0(void) static void DoExitCaveTransition(void)
{ {
CreateTask(sub_8137404, 0); CreateTask(Task_ExitCaveTransition1, 0);
} }
static void sub_8137404(u8 taskId) static void Task_ExitCaveTransition1(u8 taskId)
{ {
gTasks[taskId].func = sub_8137420; gTasks[taskId].func = Task_ExitCaveTransition2;
} }
static void sub_8137420(u8 taskId) static void Task_ExitCaveTransition2(u8 taskId)
{ {
SetGpuReg(REG_OFFSET_DISPCNT, 0); SetGpuReg(REG_OFFSET_DISPCNT, 0);
LZ77UnCompVram(gCaveTransitionTiles, (void *)(VRAM + 0xC000)); LZ77UnCompVram(gCaveTransitionTiles, (void *)(VRAM + 0xC000));
@ -241,12 +242,12 @@ static void sub_8137420(u8 taskId)
| DISPCNT_OBJ_1D_MAP | DISPCNT_OBJ_1D_MAP
| DISPCNT_BG0_ON | DISPCNT_BG0_ON
| DISPCNT_OBJ_ON); | DISPCNT_OBJ_ON);
gTasks[taskId].func = sub_81374C4; gTasks[taskId].func = Task_ExitCaveTransition3;
gTasks[taskId].data[0] = 16; gTasks[taskId].data[0] = 16;
gTasks[taskId].data[1] = 0; gTasks[taskId].data[1] = 0;
} }
static void sub_81374C4(u8 taskId) static void Task_ExitCaveTransition3(u8 taskId)
{ {
u16 count = gTasks[taskId].data[1]; u16 count = gTasks[taskId].data[1];
u16 blend = count + 0x1000; u16 blend = count + 0x1000;
@ -259,11 +260,11 @@ static void sub_81374C4(u8 taskId)
else else
{ {
gTasks[taskId].data[2] = 0; gTasks[taskId].data[2] = 0;
gTasks[taskId].func = sub_813750C; gTasks[taskId].func = Task_ExitCaveTransition4;
} }
} }
static void sub_813750C(u8 taskId) static void Task_ExitCaveTransition4(u8 taskId)
{ {
u16 count; u16 count;
@ -278,12 +279,12 @@ static void sub_813750C(u8 taskId)
else else
{ {
LoadPalette(gCaveTransitionPalette_White, 0, 0x20); LoadPalette(gCaveTransitionPalette_White, 0, 0x20);
gTasks[taskId].func = sub_8137574; gTasks[taskId].func = Task_ExitCaveTransition5;
gTasks[taskId].data[2] = 8; gTasks[taskId].data[2] = 8;
} }
} }
static void sub_8137574(u8 taskId) static void Task_ExitCaveTransition5(u8 taskId)
{ {
if (gTasks[taskId].data[2]) if (gTasks[taskId].data[2])
gTasks[taskId].data[2]--; gTasks[taskId].data[2]--;
@ -291,17 +292,17 @@ static void sub_8137574(u8 taskId)
SetMainCallback2(gMain.savedCallback); SetMainCallback2(gMain.savedCallback);
} }
static void sub_81375A8(void) static void DoEnterCaveTransition(void)
{ {
CreateTask(sub_81375BC, 0); CreateTask(Task_EnterCaveTransition1, 0);
} }
static void sub_81375BC(u8 taskId) static void Task_EnterCaveTransition1(u8 taskId)
{ {
gTasks[taskId].func = sub_81375D8; gTasks[taskId].func = Task_EnterCaveTransition2;
} }
static void sub_81375D8(u8 taskId) static void Task_EnterCaveTransition2(u8 taskId)
{ {
SetGpuReg(REG_OFFSET_DISPCNT, 0); SetGpuReg(REG_OFFSET_DISPCNT, 0);
LZ77UnCompVram(gCaveTransitionTiles, (void *)(VRAM + 0xC000)); LZ77UnCompVram(gCaveTransitionTiles, (void *)(VRAM + 0xC000));
@ -320,13 +321,13 @@ static void sub_81375D8(u8 taskId)
| DISPCNT_OBJ_ON); | DISPCNT_OBJ_ON);
LoadPalette(gCaveTransitionPalette_White, 0xE0, 0x20); LoadPalette(gCaveTransitionPalette_White, 0xE0, 0x20);
LoadPalette(gCaveTransitionPalette_Black, 0, 0x20); LoadPalette(gCaveTransitionPalette_Black, 0, 0x20);
gTasks[taskId].func = sub_8137678; gTasks[taskId].func = Task_EnterCaveTransition3;
gTasks[taskId].data[0] = 16; gTasks[taskId].data[0] = 16;
gTasks[taskId].data[1] = 0; gTasks[taskId].data[1] = 0;
gTasks[taskId].data[2] = 0; gTasks[taskId].data[2] = 0;
} }
static void sub_8137678(u8 taskId) static void Task_EnterCaveTransition3(u8 taskId)
{ {
u16 count = gTasks[taskId].data[2]; u16 count = gTasks[taskId].data[2];
@ -346,11 +347,11 @@ static void sub_8137678(u8 taskId)
| BLDCNT_TGT2_BG3 | BLDCNT_TGT2_BG3
| BLDCNT_TGT2_OBJ | BLDCNT_TGT2_OBJ
| BLDCNT_TGT2_BD); | BLDCNT_TGT2_BD);
gTasks[taskId].func = sub_81376DC; gTasks[taskId].func = Task_EnterCaveTransition4;
} }
} }
static void sub_81376DC(u8 taskId) static void Task_EnterCaveTransition4(u8 taskId)
{ {
u16 count = 16 - gTasks[taskId].data[1]; u16 count = 16 - gTasks[taskId].data[1];
u16 blend = count + 0x1000; u16 blend = count + 0x1000;

2
src/overworld.c
View File

@ -1579,7 +1579,7 @@ void CB2_LoadMap(void)
ScriptContext1_Init(); ScriptContext1_Init();
ScriptContext2_Disable(); ScriptContext2_Disable();
SetMainCallback1(NULL); SetMainCallback1(NULL);
SetMainCallback2(c2_change_map); SetMainCallback2(CB2_DoChangeMap);
gMain.savedCallback = CB2_LoadMap2; gMain.savedCallback = CB2_LoadMap2;
} }