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Decompile dyntexUpdateLinear

This commit is contained in:
Ryan Dwyer 2022-06-27 18:03:28 +10:00
parent b235ac5e3c
commit 2bd000e8d9
1 changed files with 12 additions and 64 deletions
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76
src/game/game_13b670.c
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@ -90,73 +90,21 @@ u32 var8007f728 = 0x000002f7;
u32 var8007f72c = 0x00000012;
u32 var8007f730 = 0x00000012;
void dyntexUpdateLinear(struct gfxvtx *vertices, struct dyntextype *type);
void dyntexUpdateOcean(struct gfxvtx *vertices, struct dyntextype *type);
void dyntexUpdateArrows(struct gfxvtx *vertices, struct dyntextype *type);
GLOBAL_ASM(
glabel dyntexUpdateLinear
/* f13b670: 3c018006 */ lui $at,%hi(var80061634)
/* f13b674: c4241634 */ lwc1 $f4,%lo(var80061634)($at)
/* f13b678: 3c014120 */ lui $at,0x4120
/* f13b67c: 44813000 */ mtc1 $at,$f6
/* f13b680: 3c014580 */ lui $at,0x4580
/* f13b684: 44815000 */ mtc1 $at,$f10
/* f13b688: 46062202 */ mul.s $f8,$f4,$f6
/* f13b68c: 27bdfff8 */ addiu $sp,$sp,-8
/* f13b690: afb00004 */ sw $s0,0x4($sp)
/* f13b694: 90a90001 */ lbu $t1,0x1($a1)
/* f13b698: 3c08800a */ lui $t0,%hi(g_DyntexVertices)
/* f13b69c: 00808025 */ or $s0,$a0,$zero
/* f13b6a0: 2508418c */ addiu $t0,$t0,%lo(g_DyntexVertices)
/* f13b6a4: 460a4402 */ mul.s $f16,$f8,$f10
/* f13b6a8: 00001825 */ or $v1,$zero,$zero
/* f13b6ac: 00003025 */ or $a2,$zero,$zero
/* f13b6b0: 4600848d */ trunc.w.s $f18,$f16
/* f13b6b4: 44029000 */ mfc1 $v0,$f18
/* f13b6b8: 00000000 */ nop
/* f13b6bc: 04410004 */ bgez $v0,.L0f13b6d0
/* f13b6c0: 304f0fff */ andi $t7,$v0,0xfff
/* f13b6c4: 11e00002 */ beqz $t7,.L0f13b6d0
/* f13b6c8: 00000000 */ nop
/* f13b6cc: 25eff000 */ addiu $t7,$t7,-4096
.L0f13b6d0:
/* f13b6d0: 000fc400 */ sll $t8,$t7,0x10
/* f13b6d4: 1920001c */ blez $t1,.L0f13b748
/* f13b6d8: 00181403 */ sra $v0,$t8,0x10
/* f13b6dc: 94ab0002 */ lhu $t3,0x2($a1)
.L0f13b6e0:
/* f13b6e0: 8d0a0000 */ lw $t2,0x0($t0)
/* f13b6e4: 24630001 */ addiu $v1,$v1,0x1
/* f13b6e8: 000b6080 */ sll $t4,$t3,0x2
/* f13b6ec: 018b6023 */ subu $t4,$t4,$t3
/* f13b6f0: 000c6040 */ sll $t4,$t4,0x1
/* f13b6f4: 014c6821 */ addu $t5,$t2,$t4
/* f13b6f8: 01a63821 */ addu $a3,$t5,$a2
/* f13b6fc: 94ee0000 */ lhu $t6,0x0($a3)
/* f13b700: 84ef0004 */ lh $t7,0x4($a3)
/* f13b704: 01d02021 */ addu $a0,$t6,$s0
/* f13b708: 01e2c021 */ addu $t8,$t7,$v0
/* f13b70c: a498000a */ sh $t8,0xa($a0)
/* f13b710: 94a90002 */ lhu $t1,0x2($a1)
/* f13b714: 8d190000 */ lw $t9,0x0($t0)
/* f13b718: 00095880 */ sll $t3,$t1,0x2
/* f13b71c: 01695823 */ subu $t3,$t3,$t1
/* f13b720: 000b5840 */ sll $t3,$t3,0x1
/* f13b724: 032b5021 */ addu $t2,$t9,$t3
/* f13b728: 01466021 */ addu $t4,$t2,$a2
/* f13b72c: 858d0002 */ lh $t5,0x2($t4)
/* f13b730: 24c60006 */ addiu $a2,$a2,0x6
/* f13b734: a48d0008 */ sh $t5,0x8($a0)
/* f13b738: 90ae0001 */ lbu $t6,0x1($a1)
/* f13b73c: 006e082a */ slt $at,$v1,$t6
/* f13b740: 5420ffe7 */ bnezl $at,.L0f13b6e0
/* f13b744: 94ab0002 */ lhu $t3,0x2($a1)
.L0f13b748:
/* f13b748: 8fb00004 */ lw $s0,0x4($sp)
/* f13b74c: 03e00008 */ jr $ra
/* f13b750: 27bd0008 */ addiu $sp,$sp,0x8
);
void dyntexUpdateLinear(struct gfxvtx *vertices, struct dyntextype *type)
{
s16 tmp = (s32) (var80061634 * 10.0f * 4096.0f) % 4096;
s32 i;
for (i = 0; i < type->numvertices; i++) {
struct gfxvtx *vertex = (struct gfxvtx *)((s32)vertices + g_DyntexVertices[type->vertexlistoffset + i].offset);
vertex->unk0a = g_DyntexVertices[type->vertexlistoffset + i].t + tmp;
vertex->unk08 = g_DyntexVertices[type->vertexlistoffset + i].s;
}
}
void dyntexUpdateReset(struct gfxvtx *vertices, struct dyntextype *type)
{