pokeemerald/src/unk_transition.c
2018-07-15 04:30:37 -07:00

634 lines
14 KiB
C

#include "global.h"
#include "sprite.h"
#include "decompress.h"
#include "unk_transition.h"
#include "battle_transition.h"
#include "task.h"
#include "palette.h"
#include "trig.h"
#include "bg.h"
#include "gpu_regs.h"
typedef bool8 (*TransitionStateFunc)(struct Task *task);
// this file's functions
static void sub_81DA848(struct Sprite *sprite);
static void sub_81DA9BC(struct Sprite *sprite);
static bool8 sub_81DAACC(struct Task *task);
static bool8 sub_81DAC14(struct Task *task);
static bool8 sub_81DABBC(struct Task *task);
static bool8 sub_81DAB4C(struct Task *task);
static bool8 sub_81DAC80(struct Task *task);
static bool8 sub_81DACEC(struct Task *task);
static bool8 sub_81DAD58(struct Task *task);
static bool8 sub_81DADC4(struct Task *task);
static bool8 sub_81DAE44(struct Task *task);
static bool8 sub_81DAEB0(struct Task *task);
static bool8 sub_81DAF34(struct Task *task);
static bool8 sub_81DAFA0(struct Task *task);
static bool8 sub_81DB02C(struct Task *task);
static bool8 sub_81DB098(struct Task *task);
static bool8 sub_81DB124(struct Task *task);
static bool8 sub_81DB190(struct Task *task);
static bool8 sub_81DB224(struct Task *task);
static bool8 sub_81DB290(struct Task *task);
static bool8 sub_81DB328(struct Task *task);
// const rom data
// TODO: move those from .s file to .c
extern const u8 gUnknown_0862AD54[];
extern const u8 gUnknown_0862AF30[];
extern const u8 gUnknown_0862B0DC[];
extern const u16 gUnknown_0862B53C[];
static const struct OamData sOamData_862B71C =
{
.y = 0,
.affineMode = 0,
.objMode = 0,
.mosaic = 0,
.bpp = 0,
.shape = 0,
.x = 0,
.matrixNum = 0,
.size = 3,
.tileNum = 0,
.priority = 1,
.paletteNum = 0,
.affineParam = 0
};
static const struct CompressedSpriteSheet sUnknown_0862B724 =
{
gUnknown_0862B0DC, 0x1800, 11920
};
static const struct SpritePalette sUnknown_0862B72C =
{
gUnknown_0862B53C, 11920
};
static const union AnimCmd sSpriteAnim_862B734[] =
{
ANIMCMD_FRAME(0, 1),
ANIMCMD_END
};
static const union AnimCmd sSpriteAnim_862B73C[] =
{
ANIMCMD_FRAME(64, 1),
ANIMCMD_END
};
static const union AnimCmd sSpriteAnim_862B744[] =
{
ANIMCMD_FRAME(128, 1),
ANIMCMD_END
};
static const union AnimCmd *const sSpriteAnimTable_862B74C[] =
{
sSpriteAnim_862B734,
sSpriteAnim_862B73C,
sSpriteAnim_862B744
};
static const struct SpriteTemplate sUnknown_0862B758 =
{
.tileTag = 11920,
.paletteTag = 11920,
.oam = &sOamData_862B71C,
.anims = sSpriteAnimTable_862B74C,
.images = NULL,
.affineAnims = gDummySpriteAffineAnimTable,
.callback = SpriteCallbackDummy,
};
static const TransitionStateFunc sPhase2_34_Funcs[] =
{
sub_81DAACC,
sub_81DAC14,
sub_81DABBC,
sub_81DAB4C,
sub_81DAC80
};
static const TransitionStateFunc sPhase2_35_Funcs[] =
{
sub_81DAACC,
sub_81DACEC,
sub_81DABBC,
sub_81DAB4C,
sub_81DAD58
};
static const TransitionStateFunc sPhase2_36_Funcs[] =
{
sub_81DAACC,
sub_81DADC4,
sub_81DABBC,
sub_81DAB4C,
sub_81DAE44
};
static const TransitionStateFunc sPhase2_37_Funcs[] =
{
sub_81DAACC,
sub_81DAEB0,
sub_81DABBC,
sub_81DAB4C,
sub_81DAF34
};
static const TransitionStateFunc sPhase2_38_Funcs[] =
{
sub_81DAACC,
sub_81DAFA0,
sub_81DABBC,
sub_81DAB4C,
sub_81DB02C
};
static const TransitionStateFunc sPhase2_39_Funcs[] =
{
sub_81DAACC,
sub_81DB098,
sub_81DABBC,
sub_81DAB4C,
sub_81DB124
};
static const TransitionStateFunc sPhase2_40_Funcs[] =
{
sub_81DAACC,
sub_81DB190,
sub_81DABBC,
sub_81DAB4C,
sub_81DB224
};
static const TransitionStateFunc sPhase2_41_Funcs[] =
{
sub_81DAACC,
sub_81DB290,
sub_81DABBC,
sub_81DAB4C,
sub_81DB328
};
// code
static void sub_81DA700(void)
{
u16 *dst1, *dst2;
sub_8149F58(&dst1, &dst2);
LZ77UnCompVram(gUnknown_0862AD54, dst2);
LZ77UnCompVram(gUnknown_0862AF30, dst1);
LoadPalette(gUnknown_0862B53C, 0xF0, 0x20);
LoadCompressedObjectPic(&sUnknown_0862B724);
LoadSpritePalette(&sUnknown_0862B72C);
}
static u8 sub_81DA74C(s16 x, s16 y, u8 arg2, u8 arg3, s8 arg4, s8 arg5, u8 spriteAnimNum)
{
u8 spriteId = CreateSprite(&sUnknown_0862B758, x, y, 0);
switch (spriteAnimNum)
{
case 0:
gSprites[spriteId].data[0] = 120;
gSprites[spriteId].data[1] = 45;
break;
case 1:
gSprites[spriteId].data[0] = 89;
gSprites[spriteId].data[1] = 97;
break;
case 2:
gSprites[spriteId].data[0] = 151;
gSprites[spriteId].data[1] = 97;
break;
}
gSprites[spriteId].data[2] = arg4;
gSprites[spriteId].data[3] = arg5;
gSprites[spriteId].data[6] = arg2;
gSprites[spriteId].data[7] = arg3;
gSprites[spriteId].data[4] = 0;
gSprites[spriteId].data[5] = 0;
StartSpriteAnim(&gSprites[spriteId], spriteAnimNum);
gSprites[spriteId].callback = sub_81DA848;
return spriteId;
}
static void sub_81DA848(struct Sprite *sprite)
{
s16 *data = sprite->data;
if (sprite->pos1.x == data[0] && sprite->pos1.y == data[1])
{
sprite->callback = SpriteCallbackDummy;
}
else
{
if (data[4] == data[6])
{
sprite->pos1.x += data[2];
data[4] = 0;
}
else
{
data[4]++;
}
if (data[5] == data[7])
{
sprite->pos1.y += data[3];
data[5] = 0;
}
else
{
data[5]++;
}
}
}
static u8 sub_81DA8BC(s16 x, s16 y, s16 arg2, s16 arg3, s16 arg4, s16 arg5, s16 arg6, u8 spriteAnimNum)
{
u8 spriteId = CreateSprite(&sUnknown_0862B758, x, y, 0);
switch (spriteAnimNum)
{
case 0:
gSprites[spriteId].data[0] = 120;
gSprites[spriteId].data[1] = 45;
break;
case 1:
gSprites[spriteId].data[0] = 89;
gSprites[spriteId].data[1] = 97;
break;
case 2:
gSprites[spriteId].data[0] = 151;
gSprites[spriteId].data[1] = 97;
break;
}
gSprites[spriteId].data[2] = arg2;
gSprites[spriteId].data[3] = arg3;
gSprites[spriteId].data[4] = arg4;
gSprites[spriteId].data[5] = arg5;
gSprites[spriteId].data[6] = arg6;
StartSpriteAnim(&gSprites[spriteId], spriteAnimNum);
gSprites[spriteId].callback = sub_81DA9BC;
return spriteId;
}
static void sub_81DA9BC(struct Sprite *sprite)
{
sprite->pos2.x = (Sin2(sprite->data[2]) * sprite->data[4]) >> 12; // div by 4096
sprite->pos2.y = (Cos2(sprite->data[2]) * sprite->data[4]) >> 12; // div by 4096
sprite->data[2] = (sprite->data[2] + sprite->data[3]) % 360;
if (sprite->data[4] != sprite->data[5])
sprite->data[4] += sprite->data[6];
else
sprite->callback = SpriteCallbackDummy;
}
#define tState data[0]
static void sub_81DAA20(struct Task *task)
{
FreeSpriteTilesByTag(11920);
FreeSpritePaletteByTag(11920);
DestroySprite(&gSprites[task->data[4]]);
DestroySprite(&gSprites[task->data[5]]);
DestroySprite(&gSprites[task->data[6]]);
}
static bool8 sub_81DAA74(struct Task *task)
{
if (gSprites[task->data[4]].callback == SpriteCallbackDummy
&& gSprites[task->data[5]].callback == SpriteCallbackDummy
&& gSprites[task->data[6]].callback == SpriteCallbackDummy)
return TRUE;
else
return FALSE;
}
static bool8 sub_81DAACC(struct Task *task)
{
if (task->data[1] == 0)
{
ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON);
ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN1_ON);
ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_BG0_ON);
task->data[1]++;
return FALSE;
}
else
{
sub_81DA700();
SetGpuReg(REG_OFFSET_BLDCNT, 0x3F41);
SetGpuReg(REG_OFFSET_BLDALPHA, 0x1000);
ChangeBgX(0, 0, 0);
ChangeBgY(0, 0, 0);
ChangeBgY(0, 0x500, 2);
task->data[1] = 0;
task->tState++;
return TRUE;
}
}
static bool8 sub_81DAB4C(struct Task *task)
{
if (task->data[2] == 0)
SetGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_BG0_ON);
if (task->data[2] == 16)
{
if (task->data[3] == 31)
{
BeginNormalPaletteFade(0xFFFFFFFF, -1, 0, 0x10, 0);
task->tState++;
}
else
{
task->data[3]++;
}
}
else
{
u16 var;
task->data[2]++;
var = task->data[2];
SetGpuReg(REG_OFFSET_BLDALPHA, (var) | ((16 - var) << 8));
}
return FALSE;
}
static bool8 sub_81DABBC(struct Task *task)
{
if (sub_81DAA74(task) == TRUE)
task->tState++;
return FALSE;
}
void Phase2Task_34(u8 taskId)
{
while (sPhase2_34_Funcs[gTasks[taskId].tState](&gTasks[taskId]));
}
static bool8 sub_81DAC14(struct Task *task)
{
task->data[4] = sub_81DA74C(120, -51, 0, 0, 0, 2, 0);
task->data[5] = sub_81DA74C(-7, 193, 0, 0, 2, -2, 1);
task->data[6] = sub_81DA74C(247, 193, 0, 0, -2, -2, 2);
task->tState++;
return FALSE;
}
static bool8 sub_81DAC80(struct Task *task)
{
if (!gPaletteFade.active)
{
sub_81DAA20(task);
DestroyTask(FindTaskIdByFunc(Phase2Task_34));
}
return FALSE;
}
void Phase2Task_35(u8 taskId)
{
while (sPhase2_35_Funcs[gTasks[taskId].tState](&gTasks[taskId]));
}
static bool8 sub_81DACEC(struct Task *task)
{
task->data[4] = sub_81DA74C(120, 197, 0, 0, 0, -4, 0);
task->data[5] = sub_81DA74C(241, 59, 0, 1, -4, 2, 1);
task->data[6] = sub_81DA74C(-1, 59, 0, 1, 4, 2, 2);
task->tState++;
return FALSE;
}
static bool8 sub_81DAD58(struct Task *task)
{
if (!gPaletteFade.active)
{
sub_81DAA20(task);
DestroyTask(FindTaskIdByFunc(Phase2Task_35));
}
return FALSE;
}
void Phase2Task_36(u8 taskId)
{
while (sPhase2_36_Funcs[gTasks[taskId].tState](&gTasks[taskId]));
}
static bool8 sub_81DADC4(struct Task *task)
{
task->data[4] = sub_81DA8BC(120, 45, 12, 4, 128, 0, -4, 0);
task->data[5] = sub_81DA8BC(89, 97, 252, 4, 128, 0, -4, 1);
task->data[6] = sub_81DA8BC(151, 97, 132, 4, 128, 0, -4, 2);
task->tState++;
return FALSE;
}
static bool8 sub_81DAE44(struct Task *task)
{
if (!gPaletteFade.active)
{
sub_81DAA20(task);
DestroyTask(FindTaskIdByFunc(Phase2Task_36));
}
return FALSE;
}
void Phase2Task_37(u8 taskId)
{
while (sPhase2_37_Funcs[gTasks[taskId].tState](&gTasks[taskId]));
}
static bool8 sub_81DAEB0(struct Task *task)
{
task->data[4] = sub_81DA8BC(120, 80, 284, 8, 131, 35, -3, 0);
task->data[5] = sub_81DA8BC(120, 80, 44, 8, 131, 35, -3, 1);
task->data[6] = sub_81DA8BC(121, 80, 164, 8, 131, 35, -3, 2);
task->tState++;
return FALSE;
}
static bool8 sub_81DAF34(struct Task *task)
{
if (!gPaletteFade.active)
{
sub_81DAA20(task);
DestroyTask(FindTaskIdByFunc(Phase2Task_37));
}
return FALSE;
}
void Phase2Task_38(u8 taskId)
{
while (sPhase2_38_Funcs[gTasks[taskId].tState](&gTasks[taskId]));
}
static bool8 sub_81DAFA0(struct Task *task)
{
if (task->data[1] == 0)
{
task->data[4] = sub_81DA74C(120, -51, 0, 0, 0, 4, 0);
}
else if (task->data[1] == 16)
{
task->data[5] = sub_81DA74C(-7, 193, 0, 0, 4, -4, 1);
}
else if (task->data[1] == 32)
{
task->data[6] = sub_81DA74C(247, 193, 0, 0, -4, -4, 2);
task->tState++;
}
task->data[1]++;
return FALSE;
}
static bool8 sub_81DB02C(struct Task *task)
{
if (!gPaletteFade.active)
{
sub_81DAA20(task);
DestroyTask(FindTaskIdByFunc(Phase2Task_38));
}
return FALSE;
}
void Phase2Task_39(u8 taskId)
{
while (sPhase2_39_Funcs[gTasks[taskId].tState](&gTasks[taskId]));
}
static bool8 sub_81DB098(struct Task *task)
{
if (task->data[1] == 0)
{
task->data[4] = sub_81DA74C(120, 197, 0, 0, 0, -8, 0);
}
else if (task->data[1] == 16)
{
task->data[5] = sub_81DA74C(241, 78, 0, 0, -8, 1, 1);
}
else if (task->data[1] == 32)
{
task->data[6] = sub_81DA74C(-1, 78, 0, 0, 8, 1, 2);
task->tState++;
}
task->data[1]++;
return FALSE;
}
static bool8 sub_81DB124(struct Task *task)
{
if (!gPaletteFade.active)
{
sub_81DAA20(task);
DestroyTask(FindTaskIdByFunc(Phase2Task_39));
}
return FALSE;
}
void Phase2Task_40(u8 taskId)
{
while (sPhase2_40_Funcs[gTasks[taskId].tState](&gTasks[taskId]));
}
static bool8 sub_81DB190(struct Task *task)
{
if (task->data[1] == 0)
{
task->data[4] = sub_81DA8BC(120, 45, 12, 4, 128, 0, -4, 0);
}
else if (task->data[1] == 16)
{
task->data[5] = sub_81DA8BC(89, 97, 252, 4, 128, 0, -4, 1);
}
else if (task->data[1] == 32)
{
task->data[6] = sub_81DA8BC(151, 97, 132, 4, 128, 0, -4, 2);
task->tState++;
}
task->data[1]++;
return FALSE;
}
static bool8 sub_81DB224(struct Task *task)
{
if (!gPaletteFade.active)
{
sub_81DAA20(task);
DestroyTask(FindTaskIdByFunc(Phase2Task_40));
}
return FALSE;
}
void Phase2Task_41(u8 taskId)
{
while (sPhase2_41_Funcs[gTasks[taskId].tState](&gTasks[taskId]));
}
static bool8 sub_81DB290(struct Task *task)
{
if (task->data[1] == 0)
{
task->data[4] = sub_81DA8BC(120, 80, 284, 8, 131, 35, -3, 0);
}
else if (task->data[1] == 16)
{
task->data[5] = sub_81DA8BC(120, 80, 44, 8, 131, 35, -3, 1);
}
else if (task->data[1] == 32)
{
task->data[6] = sub_81DA8BC(121, 80, 164, 8, 131, 35, -3, 2);
task->tState++;
}
task->data[1]++;
return FALSE;
}
static bool8 sub_81DB328(struct Task *task)
{
if (!gPaletteFade.active)
{
sub_81DAA20(task);
DestroyTask(FindTaskIdByFunc(Phase2Task_41));
}
return FALSE;
}