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Decompile chrGetSideVectorToTarget

This commit is contained in:
Ryan Dwyer 2020-05-25 22:27:56 +10:00
parent de84735297
commit 435a7b8478
2 changed files with 33 additions and 62 deletions
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93
src/game/chr/chraction.c
View File

@ -9339,65 +9339,36 @@ glabel var7f1a8da0
/* f0369c8: 00000000 */ sll $zero,$zero,0x0
);
GLOBAL_ASM(
glabel chrGetSideVector
/* f0369cc: 27bdffd8 */ addiu $sp,$sp,-40
/* f0369d0: afbf0014 */ sw $ra,0x14($sp)
/* f0369d4: afa5002c */ sw $a1,0x2c($sp)
/* f0369d8: 8c83001c */ lw $v1,0x1c($a0)
/* f0369dc: afa60030 */ sw $a2,0x30($sp)
/* f0369e0: 0fc0a221 */ jal chrGetTargetProp
/* f0369e4: afa30024 */ sw $v1,0x24($sp)
/* f0369e8: 8fa60030 */ lw $a2,0x30($sp)
/* f0369ec: 44808000 */ mtc1 $zero,$f16
/* f0369f0: 3c013f80 */ lui $at,0x3f80
/* f0369f4: 44812000 */ mtc1 $at,$f4
/* f0369f8: 8fa30024 */ lw $v1,0x24($sp)
/* f0369fc: e4d00000 */ swc1 $f16,0x0($a2)
/* f036a00: e4d00004 */ swc1 $f16,0x4($a2)
/* f036a04: 10400022 */ beqz $v0,.L0f036a90
/* f036a08: e4c40008 */ swc1 $f4,0x8($a2)
/* f036a0c: c4460008 */ lwc1 $f6,0x8($v0)
/* f036a10: c4680008 */ lwc1 $f8,0x8($v1)
/* f036a14: c44a0010 */ lwc1 $f10,0x10($v0)
/* f036a18: c4720010 */ lwc1 $f18,0x10($v1)
/* f036a1c: 46083081 */ sub.s $f2,$f6,$f8
/* f036a20: afa60030 */ sw $a2,0x30($sp)
/* f036a24: 46125381 */ sub.s $f14,$f10,$f18
/* f036a28: 46021102 */ mul.s $f4,$f2,$f2
/* f036a2c: e7a2001c */ swc1 $f2,0x1c($sp)
/* f036a30: 460e7182 */ mul.s $f6,$f14,$f14
/* f036a34: e7ae0018 */ swc1 $f14,0x18($sp)
/* f036a38: 0c012974 */ jal sqrtf
/* f036a3c: 46062300 */ add.s $f12,$f4,$f6
/* f036a40: 44808000 */ mtc1 $zero,$f16
/* f036a44: 8fa60030 */ lw $a2,0x30($sp)
/* f036a48: c7a2001c */ lwc1 $f2,0x1c($sp)
/* f036a4c: 4600803c */ c.lt.s $f16,$f0
/* f036a50: c7ae0018 */ lwc1 $f14,0x18($sp)
/* f036a54: 8fae002c */ lw $t6,0x2c($sp)
/* f036a58: 4502000e */ bc1fl .L0f036a94
/* f036a5c: 8fbf0014 */ lw $ra,0x14($sp)
/* f036a60: 46001083 */ div.s $f2,$f2,$f0
/* f036a64: 11c00006 */ beqz $t6,.L0f036a80
/* f036a68: 46007383 */ div.s $f14,$f14,$f0
/* f036a6c: 46001207 */ neg.s $f8,$f2
/* f036a70: e4ce0000 */ swc1 $f14,0x0($a2)
/* f036a74: e4d00004 */ swc1 $f16,0x4($a2)
/* f036a78: 10000005 */ beqz $zero,.L0f036a90
/* f036a7c: e4c80008 */ swc1 $f8,0x8($a2)
.L0f036a80:
/* f036a80: 46007287 */ neg.s $f10,$f14
/* f036a84: e4d00004 */ swc1 $f16,0x4($a2)
/* f036a88: e4ca0000 */ swc1 $f10,0x0($a2)
/* f036a8c: e4c20008 */ swc1 $f2,0x8($a2)
.L0f036a90:
/* f036a90: 8fbf0014 */ lw $ra,0x14($sp)
.L0f036a94:
/* f036a94: 27bd0028 */ addiu $sp,$sp,0x28
/* f036a98: 03e00008 */ jr $ra
/* f036a9c: 00000000 */ sll $zero,$zero,0x0
);
void chrGetSideVectorToTarget(struct chrdata *chr, bool side, struct coord *vector)
{
struct prop *prop = chr->prop;
struct prop *target = chrGetTargetProp(chr);
vector->x = 0;
vector->y = 0;
vector->z = 1;
if (target) {
f32 x = target->pos.x - prop->pos.x;
f32 z = target->pos.z - prop->pos.z;
f32 distance = sqrtf(x * x + z * z);
if (distance > 0) {
x = x / distance;
z = z / distance;
if (side) {
vector->x = z;
vector->y = 0;
vector->z = -x;
} else {
vector->x = -z;
vector->y = 0;
vector->z = x;
}
}
}
}
bool chrCanRollInDirection(struct chrdata *chr, bool side, f32 distance)
{
@ -9405,7 +9376,7 @@ bool chrCanRollInDirection(struct chrdata *chr, bool side, f32 distance)
struct coord vector;
struct coord dstpos;
chrGetSideVector(chr, side, &vector);
chrGetSideVectorToTarget(chr, side, &vector);
dstpos.x = vector.x * distance + prop->pos.x;
dstpos.y = prop->pos.y;
@ -13334,7 +13305,7 @@ glabel chrTryRunSideways
/* f039ed8: 2cb90001 */ sltiu $t9,$a1,0x1
/* f039edc: 03202825 */ or $a1,$t9,$zero
/* f039ee0: 02202025 */ or $a0,$s1,$zero
/* f039ee4: 0fc0da73 */ jal chrGetSideVector
/* f039ee4: 0fc0da73 */ jal chrGetSideVectorToTarget
/* f039ee8: 27a60030 */ addiu $a2,$sp,0x30
/* f039eec: c7a0003c */ lwc1 $f0,0x3c($sp)
/* f039ef0: c7a80030 */ lwc1 $f8,0x30($sp)

2
src/include/game/chr/chraction.h
View File

@ -60,7 +60,7 @@ u32 func0f03654c(void);
bool propHasClearLineToPos(struct prop *prop, struct coord *arg1, struct coord *arg2);
bool func0f036918(struct prop *prop, struct coord *coord, f32 arg2);
u32 func0f036974(void);
void chrGetSideVector(struct chrdata *chr, bool side, struct coord *coord);
void chrGetSideVectorToTarget(struct chrdata *chr, bool side, struct coord *vector);
u32 chrCanRollInDirection(struct chrdata *chr, bool side, f32 distance);
u32 func0f036b10(void);
u32 func0f036b98(void);