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#include "global.h"
#include "roulette_util.h"
#include "roulette.h"
static u8 sub_81249E4(struct UnkStruct3 *);
static u8 sub_8124BEC(struct UnkStruct3 *);
u8 unref_sub_81249B0(struct UnkStruct0 *, u8);
extern u16 gPlttBufferFaded[];
extern u16 gPlttBufferUnfaded[];
void sub_8124918(struct UnkStruct0 *r0)
{
r0->var00 = 0;
r0->var02 = 0;
memset(&r0->var04, 0, sizeof(r0->var04));
}
u8 sub_812492C(struct UnkStruct0 *r0, u8 r1, const struct UnkStruct1 *r2)
{
if (!(r1 < 16) || (r0->var04[r1].var00_7))
return 0xFF;
r0->var04[r1].var04.var00 = r2->var00;
r0->var04[r1].var04.var02 = r2->var02;
r0->var04[r1].var04.var04 = r2->var04;
r0->var04[r1].var04.var05 = r2->var05;
r0->var04[r1].var04.var06 = r2->var06;
r0->var04[r1].var04.var07_0 = r2->var07_0;
r0->var04[r1].var04.var07_5 = r2->var07_5;
r0->var04[r1].var04.var07_7 = r2->var07_7;
r0->var04[r1].var00_0 = 0;
r0->var04[r1].var00_7 = 1;
r0->var04[r1].var02 = 0;
r0->var04[r1].var01 = 0;
if (r0->var04[r1].var04.var07_7 < 0)
r0->var04[r1].var03 = 0xFF;
else
r0->var04[r1].var03 = 1;
return r1;
}
u8 unref_sub_81249B0(struct UnkStruct0 *r0, u8 r1)
{
if (r1 >= 16)
return 0xFF;
if (!r0->var04[r1].var00_7)
return 0xFF;
memset(&r0->var04[r1], 0, sizeof(r0->var04[r1]));
return r1;
}
u8 sub_81249E4(struct UnkStruct3 *r0)
{
u8 i;
u8 returnval;
for (i = 0; i < r0->var04.var04; i++)
{
struct PlttData *faded = (struct PlttData *)&gPlttBufferFaded[r0->var04.var02 + i];
struct PlttData *unfaded = (struct PlttData *)&gPlttBufferUnfaded[r0->var04.var02 + i];
switch (r0->var00_0)
{
case 1:
if (faded->r + r0->var03 >= 0 && faded->r + r0->var03 < 32)
faded->r += r0->var03;
if (faded->g + r0->var03 >= 0 && faded->g + r0->var03 < 32)
faded->g += r0->var03;
if (faded->b + r0->var03 >= 0 && faded->b + r0->var03 < 32)
faded->b += r0->var03;
break;
case 2:
if (r0->var03 < 0)
{
if (faded->r + r0->var03 >= unfaded->r)
faded->r += r0->var03;
if (faded->g + r0->var03 >= unfaded->g)
faded->g += r0->var03;
if (faded->b + r0->var03 >= unfaded->b)
faded->b += r0->var03;
}
else
{
if (faded->r + r0->var03 <= unfaded->r)
faded->r += r0->var03;
if (faded->g + r0->var03 <= unfaded->g)
faded->g += r0->var03;
if (faded->b + r0->var03 <= unfaded->b)
faded->b += r0->var03;
}
break;
}
}
if ((u32)r0->var02++ != r0->var04.var07_0)
{
returnval = 0;
}
else
{
r0->var02 = 0;
r0->var03 *= -1;
if (r0->var00_0 == 1)
r0->var00_0++;
else
r0->var00_0--;
returnval = 1;
}
return returnval;
}
u8 sub_8124BEC(struct UnkStruct3 *r0)
{
u8 rg2 = 0;
switch (r0->var00_0)
{
case 1:
for (rg2 = 0; rg2 < r0->var04.var04; rg2++)
gPlttBufferFaded[r0->var04.var02 + rg2] = r0->var04.var00;
r0->var00_0++;
break;
case 2:
for (rg2 = 0; rg2 < r0->var04.var04; rg2++)
gPlttBufferFaded[r0->var04.var02 + rg2] = gPlttBufferUnfaded[r0->var04.var02 + rg2];
r0->var00_0--;
break;
}
return 1;
}
void task_tutorial_controls_fadein(struct UnkStruct0 *r0)
{
u8 i = 0;
if (r0->var00)
{
for (i = 0; i < 16; i++)
{
if ((r0->var02 >> i) & 1)
{
if (--r0->var04[i].var01 == 0xFF) // if underflow ?
{
if (r0->var04[i].var04.var00 & 0x8000) // PlttData->unused_15 ?
sub_81249E4(&r0->var04[i]);
else
sub_8124BEC(&r0->var04[i]);
r0->var04[i].var01 = r0->var04[i].var04.var05;
}
}
}
}
}
void sub_8124CE8(struct UnkStruct0 *r0, u16 r1)
{
u8 i = 0;
r0->var00++;
for (i = 0; i < 16; i++)
{
if ((r1 >> i) & 1)
{
if (r0->var04[i].var00_7)
{
r0->var02 |= 1 << i;
r0->var04[i].var00_0 = 1;
}
}
}
}
void sub_8124D3C(struct UnkStruct0 *r0, u16 r1)
{
u8 i;
for (i = 0; i < 16; i++)
{
if ((r0->var02 >> i) & 1)
{
if (r0->var04[i].var00_7)
{
if ((r1 >> i) & 1)
{
u32 offset = r0->var04[i].var04.var02;
u16 *faded = &gPlttBufferFaded[offset];
u16 *unfaded = &gPlttBufferUnfaded[offset];
memcpy(faded, unfaded, r0->var04[i].var04.var04 * 2);
r0->var04[i].var00_0 = 0;
r0->var04[i].var02 = 0;
r0->var04[i].var01 = 0;
if (r0->var04[i].var04.var07_7 < 0)
r0->var04[i].var03 = 0xFF;
else
r0->var04[i].var03 = 0x1;
}
}
}
}
if (r1 == 0xFFFF)
{
r0->var00 = 0;
r0->var02 = 0;
}
else
{
r0->var02 = r0->var02 & ~r1;
}
}
void sub_8124DDC(u16 *dest, u16 src, u8 left, u8 top, u8 width, u8 height)
{
u16 *_dest;
u8 i;
u8 j;
i = 0;
dest = &dest[top * 32 + left];
for (; i < height; i++)
{
_dest = dest + i * 32;
for (j = 0; j < width; j++)
{
*_dest++ = src;
}
}
}
void sub_8124E2C(u16 *dest, u16 *src, u8 left, u8 top, u8 width, u8 height)
{
u16 *_dest;
u16 *_src = src;
u8 i;
u8 j;
i = 0;
dest = &dest[top * 32 + left];
for (; i < height; i++)
{
_dest = dest + i * 32;
for (j = 0; j < width; j++)
{
*_dest++ = *_src++;
}
}
}
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