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Decompile sky0f11f1fc

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This commit is contained in:
Ryan Dwyer
2022-03-26 20:54:28 +10:00
parent 7ebd2578f7
commit 81a5ad69be
3 changed files with 55 additions and 133 deletions
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src/game/sky.c
+47 -125
View File
@@ -93,16 +93,13 @@ void sky0f11f000(f32 left, f32 top, struct coord *arg2)
bool sky0f11f07c(struct coord *arg0, struct coord *arg1, f32 *arg2)
{
struct coord *campos;
f32 f12;
f32 sp2C;
struct coord *campos = &g_Vars.currentplayer->cam_pos;
f32 f12 = 2.0f * arg0->y / sqrtf(arg0->f[0] * arg0->f[0] + arg0->f[2] * arg0->f[2] + 0.0001f);
f32 sp2c;
f32 f12_2;
f32 sp24;
u32 stack[2];
campos = &g_Vars.currentplayer->cam_pos;
f12 = 2.0f * arg0->y / sqrtf(arg0->f[0] * arg0->f[0] + arg0->f[2] * arg0->f[2] + 0.0001f);
if (f12 > 1.0f) {
f12 = 1.0f;
}
@@ -116,16 +113,16 @@ bool sky0f11f07c(struct coord *arg0, struct coord *arg1, f32 *arg2)
}
if (sp24 > 0.0f) {
sp2C = (envGetCurrent()->clouds_scale - campos->y) / sp24;
f12_2 = sqrtf(arg0->f[0] * arg0->f[0] + arg0->f[2] * arg0->f[2]) * sp2C;
sp2c = (envGetCurrent()->clouds_scale - campos->y) / sp24;
f12_2 = sqrtf(arg0->f[0] * arg0->f[0] + arg0->f[2] * arg0->f[2]) * sp2c;
if (f12_2 > 300000) {
sp2C *= 300000 / f12_2;
sp2c *= 300000 / f12_2;
}
arg1->x = campos->x + sp2C * arg0->f[0];
arg1->y = campos->y + sp2C * sp24;
arg1->z = campos->z + sp2C * arg0->f[2];
arg1->x = campos->x + sp2c * arg0->f[0];
arg1->y = campos->y + sp2c * sp24;
arg1->z = campos->z + sp2c * arg0->f[2];
return true;
}
@@ -133,119 +130,44 @@ bool sky0f11f07c(struct coord *arg0, struct coord *arg1, f32 *arg2)
return false;
}
GLOBAL_ASM(
glabel sky0f11f1fc
.late_rodata
glabel var7f1b4fec
.word 0x38d1b717
glabel var7f1b4ff0
.word 0xbc23d70a
glabel var7f1b4ff4
.word 0x48927c00
.text
/* f11f1fc: 27bdffc8 */ addiu $sp,$sp,-56
/* f11f200: afbf001c */ sw $ra,0x1c($sp)
/* f11f204: afb10018 */ sw $s1,0x18($sp)
/* f11f208: afb00014 */ sw $s0,0x14($sp)
/* f11f20c: afa5003c */ sw $a1,0x3c($sp)
/* f11f210: afa60040 */ sw $a2,0x40($sp)
/* f11f214: c4800008 */ lwc1 $f0,0x8($a0)
/* f11f218: c48e0000 */ lwc1 $f14,0x0($a0)
/* f11f21c: 3c11800a */ lui $s1,%hi(g_Vars+0x284)
/* f11f220: 46000102 */ mul.s $f4,$f0,$f0
/* f11f224: 3c017f1b */ lui $at,%hi(var7f1b4fec)
/* f11f228: 8e31a244 */ lw $s1,%lo(g_Vars+0x284)($s1)
/* f11f22c: 460e7182 */ mul.s $f6,$f14,$f14
/* f11f230: c42a4fec */ lwc1 $f10,%lo(var7f1b4fec)($at)
/* f11f234: 00808025 */ or $s0,$a0,$zero
/* f11f238: 26311bb0 */ addiu $s1,$s1,7088
/* f11f23c: 46062200 */ add.s $f8,$f4,$f6
/* f11f240: 0c012974 */ jal sqrtf
/* f11f244: 460a4300 */ add.s $f12,$f8,$f10
/* f11f248: 3c013f80 */ lui $at,0x3f80
/* f11f24c: 44816000 */ mtc1 $at,$f12
/* f11f250: 3c01c000 */ lui $at,0xc000
/* f11f254: 44812000 */ mtc1 $at,$f4
/* f11f258: c6060004 */ lwc1 $f6,0x4($s0)
/* f11f25c: 3c017f1b */ lui $at,%hi(var7f1b4ff0)
/* f11f260: 00001025 */ or $v0,$zero,$zero
/* f11f264: 46062202 */ mul.s $f8,$f4,$f6
/* f11f268: 46004083 */ div.s $f2,$f8,$f0
/* f11f26c: 4602603c */ c.lt.s $f12,$f2
/* f11f270: 00000000 */ nop
/* f11f274: 45020003 */ bc1fl .L0f11f284
/* f11f278: 46026281 */ sub.s $f10,$f12,$f2
/* f11f27c: 46006086 */ mov.s $f2,$f12
/* f11f280: 46026281 */ sub.s $f10,$f12,$f2
.L0f11f284:
/* f11f284: 8fae0040 */ lw $t6,0x40($sp)
/* f11f288: 44807000 */ mtc1 $zero,$f14
/* f11f28c: e5ca0000 */ swc1 $f10,0x0($t6)
/* f11f290: c6000004 */ lwc1 $f0,0x4($s0)
/* f11f294: 46007032 */ c.eq.s $f14,$f0
/* f11f298: 00000000 */ nop
/* f11f29c: 45020004 */ bc1fl .L0f11f2b0
/* f11f2a0: 46000406 */ mov.s $f16,$f0
/* f11f2a4: 10000002 */ b .L0f11f2b0
/* f11f2a8: c4304ff0 */ lwc1 $f16,%lo(var7f1b4ff0)($at)
/* f11f2ac: 46000406 */ mov.s $f16,$f0
.L0f11f2b0:
/* f11f2b0: 460e803c */ c.lt.s $f16,$f14
/* f11f2b4: 00000000 */ nop
/* f11f2b8: 4500002d */ bc1f .L0f11f370
/* f11f2bc: 00000000 */ nop
/* f11f2c0: 0fc595f3 */ jal envGetCurrent
/* f11f2c4: e7b00024 */ swc1 $f16,0x24($sp)
/* f11f2c8: c444002c */ lwc1 $f4,0x2c($v0)
/* f11f2cc: c6260004 */ lwc1 $f6,0x4($s1)
/* f11f2d0: c7b00024 */ lwc1 $f16,0x24($sp)
/* f11f2d4: c6000008 */ lwc1 $f0,0x8($s0)
/* f11f2d8: 46062201 */ sub.s $f8,$f4,$f6
/* f11f2dc: c60e0000 */ lwc1 $f14,0x0($s0)
/* f11f2e0: 46000282 */ mul.s $f10,$f0,$f0
/* f11f2e4: 00000000 */ nop
/* f11f2e8: 460e7102 */ mul.s $f4,$f14,$f14
/* f11f2ec: 46104083 */ div.s $f2,$f8,$f16
/* f11f2f0: 46045300 */ add.s $f12,$f10,$f4
/* f11f2f4: 0c012974 */ jal sqrtf
/* f11f2f8: e7a2002c */ swc1 $f2,0x2c($sp)
/* f11f2fc: c7a2002c */ lwc1 $f2,0x2c($sp)
/* f11f300: 3c017f1b */ lui $at,%hi(var7f1b4ff4)
/* f11f304: c4324ff4 */ lwc1 $f18,%lo(var7f1b4ff4)($at)
/* f11f308: 46020302 */ mul.s $f12,$f0,$f2
/* f11f30c: c7b00024 */ lwc1 $f16,0x24($sp)
/* f11f310: 460c903c */ c.lt.s $f18,$f12
/* f11f314: 00000000 */ nop
/* f11f318: 45020005 */ bc1fl .L0f11f330
/* f11f31c: c6080000 */ lwc1 $f8,0x0($s0)
/* f11f320: 460c9183 */ div.s $f6,$f18,$f12
/* f11f324: 46061082 */ mul.s $f2,$f2,$f6
/* f11f328: 00000000 */ nop
/* f11f32c: c6080000 */ lwc1 $f8,0x0($s0)
.L0f11f330:
/* f11f330: c6240000 */ lwc1 $f4,0x0($s1)
/* f11f334: 8fa3003c */ lw $v1,0x3c($sp)
/* f11f338: 46024282 */ mul.s $f10,$f8,$f2
/* f11f33c: 24020001 */ addiu $v0,$zero,0x1
/* f11f340: 46045180 */ add.s $f6,$f10,$f4
/* f11f344: 46101282 */ mul.s $f10,$f2,$f16
/* f11f348: e4660000 */ swc1 $f6,0x0($v1)
/* f11f34c: c6280004 */ lwc1 $f8,0x4($s1)
/* f11f350: 460a4100 */ add.s $f4,$f8,$f10
/* f11f354: e4640004 */ swc1 $f4,0x4($v1)
/* f11f358: c6060008 */ lwc1 $f6,0x8($s0)
/* f11f35c: c62a0008 */ lwc1 $f10,0x8($s1)
/* f11f360: 46023202 */ mul.s $f8,$f6,$f2
/* f11f364: 460a4100 */ add.s $f4,$f8,$f10
/* f11f368: 10000001 */ b .L0f11f370
/* f11f36c: e4640008 */ swc1 $f4,0x8($v1)
.L0f11f370:
/* f11f370: 8fbf001c */ lw $ra,0x1c($sp)
/* f11f374: 8fb00014 */ lw $s0,0x14($sp)
/* f11f378: 8fb10018 */ lw $s1,0x18($sp)
/* f11f37c: 03e00008 */ jr $ra
/* f11f380: 27bd0038 */ addiu $sp,$sp,0x38
);
bool sky0f11f1fc(struct coord *arg0, struct coord *arg1, f32 *arg2)
{
struct coord *campos = &g_Vars.currentplayer->cam_pos;
f32 f12 = -2.0f * arg0->y / sqrtf(arg0->f[0] * arg0->f[0] + arg0->f[2] * arg0->f[2] + 0.0001f);
f32 sp2c;
f32 f12_2;
f32 sp24;
u32 stack[2];
if (f12 > 1.0f) {
f12 = 1.0f;
}
*arg2 = 1.0f - f12;
if (arg0->y == 0.0f) {
sp24 = -0.01f;
} else {
sp24 = arg0->y;
}
if (sp24 < 0.0f) {
sp2c = (envGetCurrent()->water_scale - campos->y) / sp24;
f12_2 = sqrtf(arg0->f[0] * arg0->f[0] + arg0->f[2] * arg0->f[2]) * sp2c;
if (f12_2 > 300000) {
sp2c *= 300000 / f12_2;
}
arg1->x = campos->x + sp2c * arg0->f[0];
arg1->y = campos->y + sp2c * sp24;
arg1->z = campos->z + sp2c * arg0->f[2];
return true;
}
return false;
}
/**
* Scale base based on the height percentage between base and ref...
src/game/stars.c
+7 -7
View File
@@ -824,7 +824,7 @@ Gfx *starsRender(Gfx *gdl)
f32 f0;
f32 f0_2;
bool spd0[4][4];
struct coord spC4;
struct coord spc4;
for (j = 0; j <= g_StarGridSize; j++) {
for (k = 0; k <= g_StarGridSize; k++) {
@@ -858,16 +858,16 @@ Gfx *starsRender(Gfx *gdl)
nextgroupstart += groupsize;
}
spC4.f[0] = pos[0];
spC4.f[1] = pos[1];
spC4.f[2] = pos[2];
spc4.f[0] = pos[0];
spc4.f[1] = pos[1];
spc4.f[2] = pos[2];
pos += 3;
f0_2 = 1.0f / (mtx.m[0][2] * spC4.f[0] + mtx.m[1][2] * spC4.f[1] + mtx.m[2][2] * spC4.f[2]);
screenpos[1] = screenmidy + (mtx.m[0][1] * spC4.f[0] + mtx.m[1][1] * spC4.f[1] + mtx.m[2][1] * spC4.f[2]) * f0_2;
f0_2 = 1.0f / (mtx.m[0][2] * spc4.f[0] + mtx.m[1][2] * spc4.f[1] + mtx.m[2][2] * spc4.f[2]);
screenpos[1] = screenmidy + (mtx.m[0][1] * spc4.f[0] + mtx.m[1][1] * spc4.f[1] + mtx.m[2][1] * spc4.f[2]) * f0_2;
if (screenpos[1] > viewtop && screenpos[1] < viewbottom) {
screenpos[0] = screenmidx - (mtx.m[0][0] * spC4.f[0] + mtx.m[1][0] * spC4.f[1] + mtx.m[2][0] * spC4.f[2]) * f0_2;
screenpos[0] = screenmidx - (mtx.m[0][0] * spc4.f[0] + mtx.m[1][0] * spc4.f[1] + mtx.m[2][0] * spc4.f[2]) * f0_2;
if (screenpos[0] > viewleft && screenpos[0] < viewright) {
drawpos[0] = screenpos[0];
src/include/game/sky.h
+1 -1
View File
@@ -10,7 +10,7 @@ void skyTick(void);
void sky0f11f000(f32 left, f32 top, struct coord *arg2);
bool sky0f11f07c(struct coord *arg0, struct coord *arg1, f32 *arg2);
u32 sky0f11f1fc(void);
bool sky0f11f1fc(struct coord *arg0, struct coord *arg1, f32 *arg2);
void sky0f11f384(struct coord *arg0, struct coord *arg1, struct coord *out);
f32 sky0f11f3d0(f32 value, f32 min, f32 max);
f32 sky0f11f410(f32 value);