diff options
Diffstat (limited to 'src/roulette_util.c')
| -rw-r--r-- | src/roulette_util.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/roulette_util.c b/src/roulette_util.c new file mode 100644 index 000000000..f3eae5518 --- /dev/null +++ b/src/roulette_util.c @@ -0,0 +1,242 @@ +#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, 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++; + } + } +} |