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Clean up Task_BarnDoorWipeChild

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This commit is contained in:
jiangzhengwenjz
2019-12-27 16:54:49 +00:00
committed by Martin Griffin
parent 8fb5ce5790
commit da2ff948a6
1 changed files with 16 additions and 22 deletions
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src/field_screen_effect.c
+16 -22
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@@ -261,17 +261,17 @@ void Task_BarnDoorWipe(u8 taskId)
SetGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN1_ON);
if (data[10] == 0)
{
SetGpuReg(REG_OFFSET_WIN0H, 0);
SetGpuReg(REG_OFFSET_WIN0H, WIN_RANGE(0, 0));
SetGpuReg(REG_OFFSET_WIN1H, WIN_RANGE(240, 255));
SetGpuReg(REG_OFFSET_WIN0V, 255);
SetGpuReg(REG_OFFSET_WIN1V, 255);
SetGpuReg(REG_OFFSET_WIN0V, WIN_RANGE(0, 255));
SetGpuReg(REG_OFFSET_WIN1V, WIN_RANGE(0, 255));
}
else
{
SetGpuReg(REG_OFFSET_WIN0H, 120);
SetGpuReg(REG_OFFSET_WIN0V, 255);
SetGpuReg(REG_OFFSET_WIN0H, WIN_RANGE(0, 120));
SetGpuReg(REG_OFFSET_WIN0V, WIN_RANGE(0, 255));
SetGpuReg(REG_OFFSET_WIN1H, WIN_RANGE(120, 255));
SetGpuReg(REG_OFFSET_WIN1V, 255);
SetGpuReg(REG_OFFSET_WIN1V, WIN_RANGE(0, 255));
}
SetGpuReg(REG_OFFSET_WININ, 0);
SetGpuReg(REG_OFFSET_WINOUT, WINOUT_WIN01_BG_ALL | WINOUT_WIN01_OBJ | WINOUT_WIN01_CLR);
@@ -294,17 +294,16 @@ void Task_BarnDoorWipe(u8 taskId)
}
}
// TODO: Find an implicit way to generate lhs/rhs shifts.
static void Task_BarnDoorWipeChild(u8 taskId)
{
s16 *data = gTasks[taskId].data;
u8 parentTaskId = FindTaskIdByFunc(Task_BarnDoorWipe);
u32 lhs, rhs;
s16 lhs, rhs;
if (gTasks[parentTaskId].tDirection == DIR_WIPE_IN)
{
lhs = (u16)tChildOffset;
rhs = (u16)(240 - lhs);
if ((s16)lhs > 120)
lhs = tChildOffset;
rhs = 240 - tChildOffset;
if (lhs > 120)
{
DestroyTask(taskId);
return;
@@ -312,22 +311,17 @@ static void Task_BarnDoorWipeChild(u8 taskId)
}
else
{
u16 offset = tChildOffset;
u32 lhs2 = (120 - offset) << 16;
u32 rhs2 = (120 + offset) << 16;
lhs = lhs2 >> 16;
rhs = rhs2 >> 16;
if ((s16)(lhs2 >> 16) < 0)
lhs = 120 - tChildOffset;
rhs = 120 + tChildOffset;
if (lhs < 0)
{
DestroyTask(taskId);
return;
}
}
lhs <<= 16;
SetGpuReg(REG_OFFSET_WIN0H, lhs >> 16);
SetGpuReg(REG_OFFSET_WIN1H, WIN_RANGE((((s16)rhs) << 16) >> 16, 240));
lhs = (s32)lhs >> 16;
if ((s32)lhs <= 89)
SetGpuReg(REG_OFFSET_WIN0H, WIN_RANGE(0, lhs));
SetGpuReg(REG_OFFSET_WIN1H, WIN_RANGE(rhs, 240));
if (lhs <= 89)
{
tChildOffset += 4;
}