mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-07-11 14:08:37 -04:00
Decompile portal0f15b274
This commit is contained in:
Ryan Dwyer
+27
-99
@@ -3545,104 +3545,32 @@ s32 stageGetIndex2(s32 stagenum)
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return index;
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}
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GLOBAL_ASM(
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glabel func0f15b274
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/* f15b274: 27bdff50 */ addiu $sp,$sp,-176
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/* f15b278: 3c02800a */ lui $v0,%hi(g_BgPortals)
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/* f15b27c: 8c424cc8 */ lw $v0,%lo(g_BgPortals)($v0)
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/* f15b280: 000470c0 */ sll $t6,$a0,0x3
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/* f15b284: afbf005c */ sw $ra,0x5c($sp)
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/* f15b288: afb40058 */ sw $s4,0x58($sp)
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/* f15b28c: afb30054 */ sw $s3,0x54($sp)
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/* f15b290: afb20050 */ sw $s2,0x50($sp)
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/* f15b294: afb1004c */ sw $s1,0x4c($sp)
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/* f15b298: afb00048 */ sw $s0,0x48($sp)
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/* f15b29c: f7be0040 */ sdc1 $f30,0x40($sp)
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/* f15b2a0: f7bc0038 */ sdc1 $f28,0x38($sp)
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/* f15b2a4: f7ba0030 */ sdc1 $f26,0x30($sp)
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/* f15b2a8: f7b80028 */ sdc1 $f24,0x28($sp)
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/* f15b2ac: f7b60020 */ sdc1 $f22,0x20($sp)
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/* f15b2b0: f7b40018 */ sdc1 $f20,0x18($sp)
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/* f15b2b4: 004e7821 */ addu $t7,$v0,$t6
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/* f15b2b8: 95f80000 */ lhu $t8,0x0($t7)
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/* f15b2bc: 4480e000 */ mtc1 $zero,$f28
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/* f15b2c0: 24110002 */ addiu $s1,$zero,0x2
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/* f15b2c4: 03029821 */ addu $s3,$t8,$v0
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/* f15b2c8: 92740000 */ lbu $s4,0x0($s3)
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/* f15b2cc: 26720018 */ addiu $s2,$s3,0x18
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/* f15b2d0: 2a810003 */ slti $at,$s4,0x3
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/* f15b2d4: 14200034 */ bnez $at,.L0f15b3a8
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/* f15b2d8: 3c013f00 */ lui $at,0x3f00
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/* f15b2dc: 4481f000 */ mtc1 $at,$f30
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/* f15b2e0: 27b00084 */ addiu $s0,$sp,0x84
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.L0f15b2e4:
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/* f15b2e4: 27a40084 */ addiu $a0,$sp,0x84
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/* f15b2e8: 02401025 */ or $v0,$s2,$zero
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/* f15b2ec: 02602825 */ or $a1,$s3,$zero
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/* f15b2f0: 27a30078 */ addiu $v1,$sp,0x78
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.L0f15b2f4:
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/* f15b2f4: c444fff8 */ lwc1 $f4,-0x8($v0)
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/* f15b2f8: c4a60004 */ lwc1 $f6,0x4($a1)
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/* f15b2fc: 24630004 */ addiu $v1,$v1,0x4
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/* f15b300: 24840004 */ addiu $a0,$a0,0x4
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/* f15b304: 46062201 */ sub.s $f8,$f4,$f6
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/* f15b308: 24420004 */ addiu $v0,$v0,4
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/* f15b30c: 24a50004 */ addiu $a1,$a1,0x4
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/* f15b310: e488fffc */ swc1 $f8,-0x4($a0)
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/* f15b314: c444fff4 */ lwc1 $f4,-0xc($v0)
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/* f15b318: c44a0000 */ lwc1 $f10,0x0($v0)
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/* f15b31c: 46045181 */ sub.s $f6,$f10,$f4
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/* f15b320: 1470fff4 */ bne $v1,$s0,.L0f15b2f4
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/* f15b324: e466fffc */ swc1 $f6,-0x4($v1)
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/* f15b328: c7b00088 */ lwc1 $f16,0x88($sp)
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/* f15b32c: c7b20080 */ lwc1 $f18,0x80($sp)
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/* f15b330: c7b4007c */ lwc1 $f20,0x7c($sp)
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/* f15b334: c7b6008c */ lwc1 $f22,0x8c($sp)
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/* f15b338: 46128202 */ mul.s $f8,$f16,$f18
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/* f15b33c: c7b80078 */ lwc1 $f24,0x78($sp)
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/* f15b340: c7ba0084 */ lwc1 $f26,0x84($sp)
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/* f15b344: 4616a282 */ mul.s $f10,$f20,$f22
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/* f15b348: 4600d187 */ neg.s $f6,$f26
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/* f15b34c: 4616c102 */ mul.s $f4,$f24,$f22
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/* f15b350: 460a4001 */ sub.s $f0,$f8,$f10
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/* f15b354: 46123202 */ mul.s $f8,$f6,$f18
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/* f15b358: 00000000 */ nop
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/* f15b35c: 4614d282 */ mul.s $f10,$f26,$f20
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/* f15b360: e7a00090 */ swc1 $f0,0x90($sp)
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/* f15b364: 4610c182 */ mul.s $f6,$f24,$f16
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/* f15b368: 46082080 */ add.s $f2,$f4,$f8
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/* f15b36c: 46000102 */ mul.s $f4,$f0,$f0
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/* f15b370: 00000000 */ nop
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/* f15b374: 46021202 */ mul.s $f8,$f2,$f2
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/* f15b378: e7a20094 */ swc1 $f2,0x94($sp)
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/* f15b37c: 46065381 */ sub.s $f14,$f10,$f6
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/* f15b380: 460e7182 */ mul.s $f6,$f14,$f14
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/* f15b384: 46082280 */ add.s $f10,$f4,$f8
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/* f15b388: e7ae0098 */ swc1 $f14,0x98($sp)
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/* f15b38c: 0c012974 */ jal sqrtf
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/* f15b390: 460a3300 */ add.s $f12,$f6,$f10
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/* f15b394: 461e0102 */ mul.s $f4,$f0,$f30
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/* f15b398: 26310001 */ addiu $s1,$s1,0x1
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/* f15b39c: 2652000c */ addiu $s2,$s2,0xc
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/* f15b3a0: 1634ffd0 */ bne $s1,$s4,.L0f15b2e4
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/* f15b3a4: 4604e700 */ add.s $f28,$f28,$f4
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.L0f15b3a8:
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/* f15b3a8: 8fbf005c */ lw $ra,0x5c($sp)
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/* f15b3ac: 4600e006 */ mov.s $f0,$f28
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/* f15b3b0: d7bc0038 */ ldc1 $f28,0x38($sp)
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/* f15b3b4: d7b40018 */ ldc1 $f20,0x18($sp)
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/* f15b3b8: d7b60020 */ ldc1 $f22,0x20($sp)
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/* f15b3bc: d7b80028 */ ldc1 $f24,0x28($sp)
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/* f15b3c0: d7ba0030 */ ldc1 $f26,0x30($sp)
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/* f15b3c4: d7be0040 */ ldc1 $f30,0x40($sp)
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/* f15b3c8: 8fb00048 */ lw $s0,0x48($sp)
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/* f15b3cc: 8fb1004c */ lw $s1,0x4c($sp)
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/* f15b3d0: 8fb20050 */ lw $s2,0x50($sp)
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/* f15b3d4: 8fb30054 */ lw $s3,0x54($sp)
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/* f15b3d8: 8fb40058 */ lw $s4,0x58($sp)
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/* f15b3dc: 03e00008 */ jr $ra
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/* f15b3e0: 27bd00b0 */ addiu $sp,$sp,0xb0
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);
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f32 portal0f15b274(s32 portalnum)
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{
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struct portalvertices *pvertices = (struct portalvertices *)((u32)g_BgPortals + g_BgPortals[portalnum].verticesoffset);
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s32 count = pvertices->count;
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s32 i;
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s32 j;
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f32 sum = 0.0f;
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f32 sp90[3];
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f32 sp84[3];
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f32 sp78[3];
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for (i = 2; i < count; i++) {
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for (j = 0; j < 3; j++) {
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sp84[j] = pvertices->vertices[i - 1].f[j] - pvertices->vertices[0].f[j];
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sp78[j] = pvertices->vertices[i].f[j] - pvertices->vertices[i - 1].f[j];
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}
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sp90[0] = sp84[1] * sp78[2] - sp84[2] * sp78[1];
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sp90[1] = -sp84[0] * sp78[2] + sp84[2] * sp78[0];
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sp90[2] = sp84[0] * sp78[1] - sp84[1] * sp78[0];
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sum += sqrtf(sp90[0] * sp90[0] + sp90[1] * sp90[1] + sp90[2] * sp90[2]) * 0.5f;
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}
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return sum;
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}
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void func0f15b3e4(s32 portalnum, struct coord *a, struct coord *b, struct coord *c, struct coord *d)
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{
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@@ -3668,7 +3596,7 @@ void func0f15b3e4(s32 portalnum, struct coord *a, struct coord *b, struct coord
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u8 func0f15b4c0(s32 portal)
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{
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s32 uVar2 = func0f15b274(portal) / 10000.0f;
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s32 uVar2 = portal0f15b274(portal) / 10000.0f;
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if (uVar2 > 0xff) {
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uVar2 = 0xff;
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+3
-3
@@ -1615,10 +1615,10 @@ f32 func0f002334(s32 roomnum, f32 mult, s32 portalnum1, s32 portalnum2)
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f32 result;
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if (portalnum1 != -1) {
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fVar2 = func0f15b274(portalnum1);
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fVar2 = portal0f15b274(portalnum1);
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}
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result = (func0f15b274(portalnum2) / (g_Rooms[roomnum].unk70 - fVar2)) * mult;
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result = (portal0f15b274(portalnum2) / (g_Rooms[roomnum].unk70 - fVar2)) * mult;
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return result;
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}
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@@ -1848,7 +1848,7 @@ glabel var7f1a7d94
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/* f0026c8: 000a5840 */ sll $t3,$t2,0x1
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/* f0026cc: 012b6021 */ addu $t4,$t1,$t3
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/* f0026d0: 01906821 */ addu $t5,$t4,$s0
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/* f0026d4: 0fc56c9d */ jal func0f15b274
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/* f0026d4: 0fc56c9d */ jal portal0f15b274
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/* f0026d8: 85a40000 */ lh $a0,0x0($t5)
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/* f0026dc: 8eae0000 */ lw $t6,0x0($s5)
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/* f0026e0: 26310001 */ addiu $s1,$s1,0x1
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@@ -20,7 +20,7 @@ Gfx *bgRenderScene(Gfx *gdl);
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Gfx *func0f15b114(Gfx *gdl);
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void bgLoadFile(void *memaddr, u32 offset, u32 len);
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s32 stageGetIndex2(s32 stagenum);
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f32 func0f15b274(s32 portal);
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f32 portal0f15b274(s32 portal);
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u8 func0f15b4c0(s32 portal);
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u32 not(u32 arg);
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u32 xorBabebabe(u32 value);
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