Decompile starInsert
This commit is contained in:
Ryan Dwyer
parent
1468ffe169
commit
a082bf3225
173
src/game/stars.c
173
src/game/stars.c
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@ -13,10 +13,10 @@
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#include "types.h"
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s32 g_StarCount;
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u8 *g_StarPositions = NULL;
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s8 *g_StarPositions = NULL;
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f32 *g_StarData3;
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s32 g_StarGridSize;
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s32 *g_StarData2;
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s32 *g_StarPosIndexes;
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bool g_StarsBelowHorizon = false;
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@ -66,133 +66,30 @@ void stars0f135c70(void)
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}
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}
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GLOBAL_ASM(
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glabel func0f135f08
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/* f135f08: 3c0a800a */ lui $t2,%hi(g_StarGridSize)
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/* f135f0c: 254a4158 */ addiu $t2,$t2,%lo(g_StarGridSize)
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/* f135f10: 8d460000 */ lw $a2,0x0($t2)
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/* f135f14: 240b0006 */ addiu $t3,$zero,0x6
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/* f135f18: 3c09800a */ lui $t1,%hi(g_StarData2)
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/* f135f1c: 00cb0019 */ multu $a2,$t3
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/* f135f20: 2529415c */ addiu $t1,$t1,%lo(g_StarData2)
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/* f135f24: 8d230000 */ lw $v1,0x0($t1)
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/* f135f28: afa50004 */ sw $a1,0x4($sp)
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/* f135f2c: 00043880 */ sll $a3,$a0,0x2
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/* f135f30: 00676821 */ addu $t5,$v1,$a3
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/* f135f34: 8da80004 */ lw $t0,0x4($t5)
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/* f135f38: 3c0c8008 */ lui $t4,%hi(g_StarPositions)
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/* f135f3c: 258cf120 */ addiu $t4,$t4,%lo(g_StarPositions)
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/* f135f40: 00007012 */ mflo $t6
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/* f135f44: 00000000 */ nop
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/* f135f48: 00000000 */ nop
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/* f135f4c: 01c60019 */ multu $t6,$a2
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/* f135f50: 00007812 */ mflo $t7
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/* f135f54: 000fc080 */ sll $t8,$t7,0x2
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/* f135f58: 0078c821 */ addu $t9,$v1,$t8
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/* f135f5c: 8f220000 */ lw $v0,0x0($t9)
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/* f135f60: 2442ffff */ addiu $v0,$v0,-1
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/* f135f64: 0048082a */ slt $at,$v0,$t0
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/* f135f68: 14200016 */ bnez $at,.L0f135fc4
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/* f135f6c: 00021880 */ sll $v1,$v0,0x2
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/* f135f70: 00621823 */ subu $v1,$v1,$v0
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/* f135f74: 8d8e0000 */ lw $t6,0x0($t4)
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.L0f135f78:
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/* f135f78: 2442ffff */ addiu $v0,$v0,-1
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/* f135f7c: 006e2821 */ addu $a1,$v1,$t6
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/* f135f80: 80af0000 */ lb $t7,0x0($a1)
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/* f135f84: a0af0003 */ sb $t7,0x3($a1)
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/* f135f88: 8d980000 */ lw $t8,0x0($t4)
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/* f135f8c: 00782821 */ addu $a1,$v1,$t8
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/* f135f90: 80b90001 */ lb $t9,0x1($a1)
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/* f135f94: a0b90004 */ sb $t9,0x4($a1)
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/* f135f98: 8d8d0000 */ lw $t5,0x0($t4)
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/* f135f9c: 006d2821 */ addu $a1,$v1,$t5
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/* f135fa0: 80ae0002 */ lb $t6,0x2($a1)
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/* f135fa4: 2463fffd */ addiu $v1,$v1,-3
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/* f135fa8: a0ae0005 */ sb $t6,0x5($a1)
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/* f135fac: 8d2f0000 */ lw $t7,0x0($t1)
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/* f135fb0: 01e7c021 */ addu $t8,$t7,$a3
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/* f135fb4: 8f080004 */ lw $t0,0x4($t8)
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/* f135fb8: 0048082a */ slt $at,$v0,$t0
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/* f135fbc: 5020ffee */ beqzl $at,.L0f135f78
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/* f135fc0: 8d8e0000 */ lw $t6,0x0($t4)
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.L0f135fc4:
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/* f135fc4: 8fb90004 */ lw $t9,0x4($sp)
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/* f135fc8: 3c0142fe */ lui $at,0x42fe
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/* f135fcc: 44810000 */ mtc1 $at,$f0
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/* f135fd0: c7240000 */ lwc1 $f4,0x0($t9)
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/* f135fd4: 24050003 */ addiu $a1,$zero,0x3
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/* f135fd8: 01050019 */ multu $t0,$a1
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/* f135fdc: 46002182 */ mul.s $f6,$f4,$f0
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/* f135fe0: 3c0c8008 */ lui $t4,%hi(g_StarPositions)
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/* f135fe4: 258cf120 */ addiu $t4,$t4,%lo(g_StarPositions)
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/* f135fe8: 8d8f0000 */ lw $t7,0x0($t4)
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/* f135fec: 24830001 */ addiu $v1,$a0,0x1
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/* f135ff0: 00601025 */ or $v0,$v1,$zero
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/* f135ff4: 4600320d */ trunc.w.s $f8,$f6
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/* f135ff8: 0000c012 */ mflo $t8
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/* f135ffc: 01f8c821 */ addu $t9,$t7,$t8
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/* f136000: 440e4000 */ mfc1 $t6,$f8
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/* f136004: 00000000 */ nop
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/* f136008: a32e0000 */ sb $t6,0x0($t9)
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/* f13600c: 8fad0004 */ lw $t5,0x4($sp)
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/* f136010: 8d390000 */ lw $t9,0x0($t1)
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/* f136014: 8d8e0000 */ lw $t6,0x0($t4)
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/* f136018: c5aa0004 */ lwc1 $f10,0x4($t5)
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/* f13601c: 03276821 */ addu $t5,$t9,$a3
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/* f136020: 8daf0004 */ lw $t7,0x4($t5)
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/* f136024: 46005402 */ mul.s $f16,$f10,$f0
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/* f136028: 4600848d */ trunc.w.s $f18,$f16
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/* f13602c: 01e50019 */ multu $t7,$a1
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/* f136030: 44189000 */ mfc1 $t8,$f18
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/* f136034: 0000c812 */ mflo $t9
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/* f136038: 01d96821 */ addu $t5,$t6,$t9
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/* f13603c: a1b80001 */ sb $t8,0x1($t5)
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/* f136040: 8faf0004 */ lw $t7,0x4($sp)
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/* f136044: 8d2d0000 */ lw $t5,0x0($t1)
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/* f136048: 8d980000 */ lw $t8,0x0($t4)
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/* f13604c: c5e40008 */ lwc1 $f4,0x8($t7)
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/* f136050: 01a77821 */ addu $t7,$t5,$a3
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/* f136054: 8dee0004 */ lw $t6,0x4($t7)
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/* f136058: 46002182 */ mul.s $f6,$f4,$f0
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/* f13605c: 4600320d */ trunc.w.s $f8,$f6
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/* f136060: 01c50019 */ multu $t6,$a1
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/* f136064: 44194000 */ mfc1 $t9,$f8
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/* f136068: 00006812 */ mflo $t5
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/* f13606c: 030d7821 */ addu $t7,$t8,$t5
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/* f136070: a1f90002 */ sb $t9,0x2($t7)
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/* f136074: 8d460000 */ lw $a2,0x0($t2)
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/* f136078: 00cb0019 */ multu $a2,$t3
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/* f13607c: 00007012 */ mflo $t6
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/* f136080: 00000000 */ nop
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/* f136084: 00000000 */ nop
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/* f136088: 01c60019 */ multu $t6,$a2
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/* f13608c: 0000c012 */ mflo $t8
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/* f136090: 0303082a */ slt $at,$t8,$v1
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/* f136094: 14200012 */ bnez $at,.L0f1360e0
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/* f136098: 00031880 */ sll $v1,$v1,0x2
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/* f13609c: 8d2d0000 */ lw $t5,0x0($t1)
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.L0f1360a0:
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/* f1360a0: 24420001 */ addiu $v0,$v0,0x1
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/* f1360a4: 01a32021 */ addu $a0,$t5,$v1
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/* f1360a8: 8c990000 */ lw $t9,0x0($a0)
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/* f1360ac: 24630004 */ addiu $v1,$v1,0x4
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/* f1360b0: 272f0001 */ addiu $t7,$t9,0x1
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/* f1360b4: ac8f0000 */ sw $t7,0x0($a0)
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/* f1360b8: 8d460000 */ lw $a2,0x0($t2)
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/* f1360bc: 00cb0019 */ multu $a2,$t3
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/* f1360c0: 00007012 */ mflo $t6
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/* f1360c4: 00000000 */ nop
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/* f1360c8: 00000000 */ nop
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/* f1360cc: 01c60019 */ multu $t6,$a2
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/* f1360d0: 0000c012 */ mflo $t8
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/* f1360d4: 0302082a */ slt $at,$t8,$v0
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/* f1360d8: 5020fff1 */ beqzl $at,.L0f1360a0
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/* f1360dc: 8d2d0000 */ lw $t5,0x0($t1)
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.L0f1360e0:
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/* f1360e0: 03e00008 */ jr $ra
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/* f1360e4: 00000000 */ nop
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);
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/**
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* Insert a star position *after* the given index.
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*/
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void starInsert(s32 index, struct coord *arg1)
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{
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s32 i;
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// Shuffle g_StarPositions forward after the insertion point
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for (i = g_StarPosIndexes[g_StarGridSize * 6 * g_StarGridSize] - 1; i >= g_StarPosIndexes[index + 1]; i--) {
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g_StarPositions[i * 3 + 3] = g_StarPositions[i * 3 + 0];
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g_StarPositions[i * 3 + 4] = g_StarPositions[i * 3 + 1];
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g_StarPositions[i * 3 + 5] = g_StarPositions[i * 3 + 2];
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}
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// Write new data
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g_StarPositions[g_StarPosIndexes[index + 1] * 3 + 0] = arg1->x * 127;
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g_StarPositions[g_StarPosIndexes[index + 1] * 3 + 1] = arg1->y * 127;
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g_StarPositions[g_StarPosIndexes[index + 1] * 3 + 2] = arg1->z * 127;
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// Increment indexes after the insertion point
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for (i = index + 1; i <= g_StarGridSize * 6 * g_StarGridSize; i++) {
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g_StarPosIndexes[i]++;
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}
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}
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GLOBAL_ASM(
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glabel starsReset
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@ -322,10 +219,10 @@ glabel starsReset
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/* f1362ac: 3c0e800a */ lui $t6,%hi(g_StarCount)
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/* f1362b0: 8dce4150 */ lw $t6,%lo(g_StarCount)($t6)
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/* f1362b4: 00e60019 */ multu $a3,$a2
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/* f1362b8: 3c04800a */ lui $a0,%hi(g_StarData2)
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/* f1362b8: 3c04800a */ lui $a0,%hi(g_StarPosIndexes)
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/* f1362bc: 000e6880 */ sll $t5,$t6,0x2
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/* f1362c0: 01ae6823 */ subu $t5,$t5,$t6
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/* f1362c4: 2484415c */ addiu $a0,$a0,%lo(g_StarData2)
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/* f1362c4: 2484415c */ addiu $a0,$a0,%lo(g_StarPosIndexes)
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/* f1362c8: 01a27821 */ addu $t7,$t5,$v0
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/* f1362cc: ac8f0000 */ sw $t7,0x0($a0)
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/* f1362d0: 00001025 */ or $v0,$zero,$zero
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@ -709,7 +606,7 @@ glabel starsReset
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/* f136818: 02080019 */ multu $s0,$t0
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/* f13681c: 00005012 */ mflo $t2
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/* f136820: 01462021 */ addu $a0,$t2,$a2
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/* f136824: 0fc4d7c2 */ jal func0f135f08
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/* f136824: 0fc4d7c2 */ jal starInsert
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/* f136828: 00000000 */ nop
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/* f13682c: 3c0b800a */ lui $t3,%hi(g_StarCount)
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/* f136830: 8d6b4150 */ lw $t3,%lo(g_StarCount)($t3)
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@ -775,13 +672,13 @@ glabel starsReset
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//
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// if (g_StarPositions != NULL) {
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// s32 tmp;
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// g_StarData2 = (s32 *)(g_StarPositions + g_StarCount * 3);
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// g_StarPosIndexes = (s32 *)(g_StarPositions + g_StarCount * 3);
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//
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// for (i = 0; i < (g_StarGridSize * 6 * g_StarGridSize + 1); i++) {
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// g_StarData2[i] = 0;
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// g_StarPosIndexes[i] = 0;
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// }
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//
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// g_StarData3 = (f32 *)((u32)g_StarData2 + (g_StarGridSize * 6 * g_StarGridSize + 1) * sizeof(f32));
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// g_StarData3 = (f32 *)((u32)g_StarPosIndexes + (g_StarGridSize * 6 * g_StarGridSize + 1) * sizeof(f32));
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//
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// stars0f135c70();
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//
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@ -845,7 +742,7 @@ glabel starsReset
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// v1--;
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// }
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//
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// func0f135f08(spb0 * tmp + (g_StarGridSize * v1) + v0, spd4.f);
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// starInsert(spb0 * tmp + (g_StarGridSize * v1) + v0, spd4.f);
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// }
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// }
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// }
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@ -1193,12 +1090,12 @@ glabel var7f1b57bc
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/* f136d64: 3c013f80 */ lui $at,0x3f80
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/* f136d68: 37184340 */ ori $t8,$t8,0x4340
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/* f136d6c: 35ef031d */ ori $t7,$t7,0x31d
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/* f136d70: 3c1f800a */ lui $ra,%hi(g_StarData2)
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/* f136d70: 3c1f800a */ lui $ra,%hi(g_StarPosIndexes)
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/* f136d74: 44816000 */ mtc1 $at,$f12
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/* f136d78: ac4f0000 */ sw $t7,0x0($v0)
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/* f136d7c: ac580004 */ sw $t8,0x4($v0)
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/* f136d80: 24500008 */ addiu $s0,$v0,0x8
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/* f136d84: 27ff415c */ addiu $ra,$ra,%lo(g_StarData2)
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/* f136d84: 27ff415c */ addiu $ra,$ra,%lo(g_StarPosIndexes)
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/* f136d88: 0000b825 */ or $s7,$zero,$zero
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/* f136d8c: 241e0001 */ addiu $s8,$zero,0x1
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/* f136d90: 24160003 */ addiu $s6,$zero,0x3
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@ -5,7 +5,7 @@
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#include "types.h"
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void stars0f135c70(void);
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void func0f135f08(s32 arg0, f32 *arg1);
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void starInsert(s32 arg0, struct coord *arg1);
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void starsReset(void);
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Gfx *starsRender(Gfx *gdl);
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