mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-07-31 07:56:03 -04:00
Decompile env0f1657f8
This commit is contained in:
Ryan Dwyer
+39
-113
@@ -13,8 +13,8 @@ struct coord var800a65f0;
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u32 var800a65fc;
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struct var800a6600 var800a6600;
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u32 var800a6618;
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u32 var800a661c;
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f32 var800a6618;
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f32 var800a661c;
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struct envtype1 *var800a6620;
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struct envtype1 *g_EnvTransitionFrom;
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struct envtype1 *g_EnvTransitionTo;
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@@ -137,117 +137,43 @@ f32 env0f1657e4(void)
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return var80081050 * var80081050;
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}
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GLOBAL_ASM(
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glabel env0f1657f8
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.late_rodata
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glabel var7f1b76e0
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.word 0x3a83126f
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glabel var7f1b76e4
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.word 0x3a83126f
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.text
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/* f1657f8: 3c0e800a */ lui $t6,%hi(g_FogEnabled)
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/* f1657fc: 8dce65e0 */ lw $t6,%lo(g_FogEnabled)($t6)
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/* f165800: 27bdffc0 */ addiu $sp,$sp,-64
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/* f165804: afbf0014 */ sw $ra,0x14($sp)
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/* f165808: 51c0005d */ beqzl $t6,.L0f165980
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/* f16580c: 8fbf0014 */ lw $ra,0x14($sp)
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/* f165810: 0c002fb8 */ jal viGetZRange
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/* f165814: 27a40038 */ addiu $a0,$sp,0x38
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/* f165818: 0fc5722e */ jal currentPlayerGetScaleBg2Gfx
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/* f16581c: 00000000 */ nop
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/* f165820: 3c048008 */ lui $a0,%hi(g_Env)
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/* f165824: 24841058 */ addiu $a0,$a0,%lo(g_Env)
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/* f165828: 8c8f0000 */ lw $t7,0x0($a0)
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/* f16582c: c7a20038 */ lwc1 $f2,0x38($sp)
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/* f165830: c7b0003c */ lwc1 $f16,0x3c($sp)
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/* f165834: 448f2000 */ mtc1 $t7,$f4
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/* f165838: 3c017f1b */ lui $at,%hi(var7f1b76e0)
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/* f16583c: c42876e0 */ lwc1 $f8,%lo(var7f1b76e0)($at)
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/* f165840: 468021a0 */ cvt.s.w $f6,$f4
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/* f165844: 8c980004 */ lw $t8,0x4($a0)
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/* f165848: 3c03800a */ lui $v1,%hi(var800a661c)
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/* f16584c: 2463661c */ addiu $v1,$v1,%lo(var800a661c)
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/* f165850: 44982000 */ mtc1 $t8,$f4
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/* f165854: 46001083 */ div.s $f2,$f2,$f0
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/* f165858: 3c017f1b */ lui $at,%hi(var7f1b76e4)
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/* f16585c: 3c05800a */ lui $a1,%hi(var800a6618)
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/* f165860: 24a56618 */ addiu $a1,$a1,%lo(var800a6618)
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/* f165864: 46083282 */ mul.s $f10,$f6,$f8
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/* f165868: 3c02800a */ lui $v0,%hi(var800a6600)
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/* f16586c: 24426600 */ addiu $v0,$v0,%lo(var800a6600)
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/* f165870: 468021a0 */ cvt.s.w $f6,$f4
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/* f165874: e46a0000 */ swc1 $f10,0x0($v1)
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/* f165878: c42876e4 */ lwc1 $f8,%lo(var7f1b76e4)($at)
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/* f16587c: 3c018008 */ lui $at,%hi(var80081050)
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/* f165880: 46008403 */ div.s $f16,$f16,$f0
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/* f165884: 46083282 */ mul.s $f10,$f6,$f8
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/* f165888: e4aa0000 */ swc1 $f10,0x0($a1)
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/* f16588c: c4a40000 */ lwc1 $f4,0x0($a1)
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/* f165890: e7a4001c */ swc1 $f4,0x1c($sp)
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/* f165894: c7a6001c */ lwc1 $f6,0x1c($sp)
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/* f165898: 46028481 */ sub.s $f18,$f16,$f2
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/* f16589c: 46069202 */ mul.s $f8,$f18,$f6
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/* f1658a0: 46081280 */ add.s $f10,$f2,$f8
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/* f1658a4: e42a1050 */ swc1 $f10,%lo(var80081050)($at)
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/* f1658a8: c46c0000 */ lwc1 $f12,0x0($v1)
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/* f1658ac: 3c018008 */ lui $at,%hi(var80081054)
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/* f1658b0: c7aa001c */ lwc1 $f10,0x1c($sp)
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/* f1658b4: 460c9102 */ mul.s $f4,$f18,$f12
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/* f1658b8: 46041180 */ add.s $f6,$f2,$f4
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/* f1658bc: 460c5101 */ sub.s $f4,$f10,$f12
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/* f1658c0: e4261054 */ swc1 $f6,%lo(var80081054)($at)
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/* f1658c4: e4420000 */ swc1 $f2,0x0($v0)
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/* f1658c8: 3c014300 */ lui $at,0x4300
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/* f1658cc: c4480000 */ lwc1 $f8,0x0($v0)
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/* f1658d0: 44813000 */ mtc1 $at,$f6
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/* f1658d4: 3c013f00 */ lui $at,0x3f00
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/* f1658d8: 44815000 */ mtc1 $at,$f10
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/* f1658dc: e7a8002c */ swc1 $f8,0x2c($sp)
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/* f1658e0: 46043203 */ div.s $f8,$f6,$f4
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/* f1658e4: 3c014380 */ lui $at,0x4380
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/* f1658e8: e4500004 */ swc1 $f16,0x4($v0)
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/* f1658ec: c44e0004 */ lwc1 $f14,0x4($v0)
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/* f1658f0: 460c5181 */ sub.s $f6,$f10,$f12
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/* f1658f4: 44815000 */ mtc1 $at,$f10
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/* f1658f8: e7a40020 */ swc1 $f4,0x20($sp)
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/* f1658fc: 3c013f80 */ lui $at,0x3f80
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/* f165900: 460a3182 */ mul.s $f6,$f6,$f10
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/* f165904: 46043283 */ div.s $f10,$f6,$f4
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/* f165908: c7a6002c */ lwc1 $f6,0x2c($sp)
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/* f16590c: e7a80028 */ swc1 $f8,0x28($sp)
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/* f165910: 46067101 */ sub.s $f4,$f14,$f6
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/* f165914: e7a40020 */ swc1 $f4,0x20($sp)
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/* f165918: e7aa0024 */ swc1 $f10,0x24($sp)
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/* f16591c: 46004287 */ neg.s $f10,$f8
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/* f165920: 44814000 */ mtc1 $at,$f8
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/* f165924: 460e5102 */ mul.s $f4,$f10,$f14
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/* f165928: 3c01437f */ lui $at,0x437f
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/* f16592c: 46083280 */ add.s $f10,$f6,$f8
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/* f165930: c7a80020 */ lwc1 $f8,0x20($sp)
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/* f165934: 460a2182 */ mul.s $f6,$f4,$f10
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/* f165938: 44815000 */ mtc1 $at,$f10
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/* f16593c: 3c013f80 */ lui $at,0x3f80
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/* f165940: 46083103 */ div.s $f4,$f6,$f8
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/* f165944: 44814000 */ mtc1 $at,$f8
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/* f165948: 3c01437f */ lui $at,0x437f
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/* f16594c: 460a2183 */ div.s $f6,$f4,$f10
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/* f165950: c7aa0028 */ lwc1 $f10,0x28($sp)
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/* f165954: 46087100 */ add.s $f4,$f14,$f8
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/* f165958: c7a80020 */ lwc1 $f8,0x20($sp)
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/* f16595c: e4460010 */ swc1 $f6,0x10($v0)
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/* f165960: 460a2182 */ mul.s $f6,$f4,$f10
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/* f165964: c7aa0024 */ lwc1 $f10,0x24($sp)
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/* f165968: 46083103 */ div.s $f4,$f6,$f8
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/* f16596c: 44814000 */ mtc1 $at,$f8
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/* f165970: 460a2180 */ add.s $f6,$f4,$f10
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/* f165974: 46083103 */ div.s $f4,$f6,$f8
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/* f165978: e4440014 */ swc1 $f4,0x14($v0)
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/* f16597c: 8fbf0014 */ lw $ra,0x14($sp)
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.L0f165980:
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/* f165980: 27bd0040 */ addiu $sp,$sp,0x40
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/* f165984: 03e00008 */ jr $ra
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/* f165988: 00000000 */ nop
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);
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void env0f1657f8(void)
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{
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struct zrange zrange;
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f32 scale;
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f32 zfar;
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f32 znear;
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f32 sp28;
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f32 sp24;
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if (!g_FogEnabled) {
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return;
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}
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viGetZRange(&zrange);
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scale = currentPlayerGetScaleBg2Gfx();
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zrange.near /= scale;
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zrange.far /= scale;
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var800a661c = g_Env.fogmin * 0.001f;
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var800a6618 = g_Env.fogmax * 0.001f;
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var80081050 = (zrange.far - zrange.near) * var800a6618 + zrange.f[0];
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var80081054 = (zrange.far - zrange.near) * var800a661c + zrange.f[0];
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var800a6600.znear = zrange.near;
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var800a6600.zfar = zrange.far;
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zfar = var800a6600.zfar;
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znear = var800a6600.znear;
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sp28 = 128.0f / (var800a6618 - var800a661c);
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sp24 = (0.5f - var800a661c) * 256.0f / (var800a6618 - var800a661c);
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var800a6600.unk10 = -sp28 * zfar * (znear + 1.0f) / (zfar - znear) / 255.0f;
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var800a6600.unk14 = ((zfar + 1.0f) * sp28 / (zfar - znear) + sp24) / 255.0f;
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}
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void envApplyType1(struct envtype1 *env)
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{
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+9
-4
@@ -3295,8 +3295,8 @@ struct mission {
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};
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struct var800a6600 {
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u32 unk00;
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u32 unk04;
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f32 znear;
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f32 zfar;
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u32 unk08;
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u32 unk0c;
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f32 unk10;
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@@ -5267,8 +5267,13 @@ struct var800a4640 {
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};
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struct zrange {
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f32 near;
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f32 far;
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union {
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struct {
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f32 near;
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f32 far;
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};
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f32 f[2];
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};
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};
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struct var800a4d00 {
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