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-rw-r--r--src/roulette_util.c280
1 files changed, 280 insertions, 0 deletions
diff --git a/src/roulette_util.c b/src/roulette_util.c
new file mode 100644
index 000000000..3d5b03a5c
--- /dev/null
+++ b/src/roulette_util.c
@@ -0,0 +1,280 @@
+#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, 0xC0);
+}
+
+u8 sub_812492C(struct UnkStruct0 *r0, u8 r1, struct UnkStruct1 *r2)
+{
+ if (!(r1 < 0x10) || (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 = 0x0;
+ r0->var04[r1].var00_7 = 0x1;
+
+ r0->var04[r1].var02 = 0x0;
+ r0->var04[r1].var01 = 0x0;
+ if (r0->var04[r1].var04.var07_7 < 0)
+ r0->var04[r1].var03 = 0xFF;
+ else
+ r0->var04[r1].var03 = 0x1;
+ return r1;
+}
+
+#ifdef NONMATCHING
+u8 unref_sub_81249B0(struct UnkStruct0 *r0, u8 r1)
+{
+ if (r1 < 0x10)
+ {
+ if (r0->var04[r1].var00_7)
+ {
+ r0->var04[r1] = (struct UnkStruct3){0};
+ return r1;
+ }
+ }
+ return 0xFF;
+}
+#else
+__attribute__((naked))
+u8 unref_sub_81249B0(struct UnkStruct0 *r0 , u8 r1)
+{
+ asm(".syntax unified\n\
+ push {r4,lr}\n\
+ adds r2, r0, 0\n\
+ lsls r1, 24\n\
+ lsrs r1, 24\n\
+ adds r4, r1, 0\n\
+ cmp r4, 0xF\n\
+ bhi _081249DC\n\
+ lsls r0, r4, 1\n\
+ adds r0, r4\n\
+ lsls r0, 2\n\
+ adds r1, r2, r0\n\
+ ldrb r0, [r1, 0x4]\n\
+ lsrs r0, 7\n\
+ cmp r0, 0\n\
+ beq _081249DC\n\
+ adds r0, r1, 0x4\n\
+ movs r1, 0\n\
+ movs r2, 0xC\n\
+ bl memset\n\
+ adds r0, r4, 0\n\
+ b _081249DE\n\
+ _081249DC:\n\
+ movs r0, 0xFF\n\
+ _081249DE:\n\
+ pop {r4}\n\
+ pop {r1}\n\
+ bx r1\n\
+ .syntax divided\n");
+}
+#endif
+
+u8 sub_81249E4(struct UnkStruct3 *r0)
+{
+ u8 i;
+ u8 returnval;
+ for (i = 0; i < r0->var04.var04; i++)
+ {
+ u32 offset = r0->var04.var02 + i;
+ struct PlttData *faded = (struct PlttData *)&gPlttBufferFaded[offset];
+ struct PlttData *unfaded = (struct PlttData *)&gPlttBufferUnfaded[offset];
+ switch(r0->var00_0)
+ {
+ case 0x1:
+ if ((u32)(faded->r + r0->var03) < 0x20)
+ faded->r += r0->var03;
+ if ((u32)(faded->g + r0->var03) < 0x20)
+ faded->g += r0->var03;
+ if ((u32)(faded->b + r0->var03) < 0x20)
+ faded->b += r0->var03;
+ break;
+ case 0x2:
+ 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 = 0x0;
+ }
+ else
+ {
+ r0->var02 = 0x0;
+ r0->var03 = r0->var03 * -1;
+ if (r0->var00_0 == 0x1)
+ r0->var00_0++;
+ else
+ r0->var00_0--;
+ returnval = 0x1;
+ }
+ return returnval;
+}
+
+u8 sub_8124BEC(struct UnkStruct3 *r0)
+{
+ u8 rg2 = 0;
+ switch (r0->var00_0)
+ {
+ case 0x1:
+ for (rg2 = 0; rg2 < r0->var04.var04; rg2++)
+ gPlttBufferFaded[r0->var04.var02 + rg2] = r0->var04.var00;
+ r0->var00_0++;
+ break;
+ case 0x2:
+ for (rg2 = 0; rg2 < r0->var04.var04; rg2++)
+ gPlttBufferFaded[r0->var04.var02 + rg2] = gPlttBufferUnfaded[r0->var04.var02 + rg2];
+ r0->var00_0--;
+ break;
+ }
+ return 0x1;
+}
+
+void task_tutorial_controls_fadein(struct UnkStruct0 *r0)
+{
+ u8 i = 0;
+ if (r0->var00)
+ {
+ for (i = 0; i < 0x10; i++)
+ {
+ if ((r0->var02 >> i) & 0x1)
+ {
+ if (((u8)--r0->var04[i].var01) == 0xFF) // if underflow ?
+ {
+ if (r0->var04[i].var04.var00 & (0x80 << 8)) // 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 < 0x10; i++)
+ {
+ if ((r1 >> i) & 0x1)
+ {
+ if (r0->var04[i].var00_7)
+ {
+ r0->var02 |= 0x1 << i;
+ r0->var04[i].var00_0 = 0x1;
+ }
+ }
+ }
+}
+
+void sub_8124D3C(struct UnkStruct0 *r0, u16 r1)
+{
+ u8 i;
+ for (i = 0; i < 0x10; i++)
+ {
+ if ((r0->var02 >> i) & 0x1)
+ {
+ if (r0->var04[i].var00_7)
+ {
+ if ((r1 >> i) & 0x1)
+ {
+ 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 = 0x0;
+ r0->var04[i].var02 = 0x0;
+ r0->var04[i].var01 = 0x0;
+ if (r0->var04[i].var04.var07_7 < 0)
+ r0->var04[i].var03 = 0xFF;
+ else
+ r0->var04[i].var03 = 0x1;
+ }
+ }
+ }
+ }
+ if (r1 == 0xFFFF)
+ {
+ r0->var00 = 0x0;
+ r0->var02 = 0x0;
+ }
+ 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 = 0x0;
+ 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 = 0x0;
+ dest = &dest[top * 32 + left];
+ for (; i < height; i++)
+ {
+ _dest = dest + i * 32;
+ for (j = 0; j < width; j++)
+ {
+ *_dest++ = *_src++;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-07 10:26:35 +0000