some rename in code_8006e9c0 (#512)

* some basic function renames

* Renaming player hud related variables.

asm/bss_8001C4D0.s

@@ -595,7 +595,7 @@ glabel gObjectList
 glabel D_80183D58
 .skip 4
 
-glabel D_80183D5C
+glabel objectListSize
 .skip 4
 
 glabel D_80183D60
@@ -667,76 +667,25 @@ glabel gItemWindowObjectByPlayerId
 glabel D_80183E98
 .skip 8
 
-glabel D_80183EA0
-.skip 4
-
-glabel D_80183EA4
-.skip 4
-
-glabel D_80183EA8
-.skip 4
-
-glabel D_80183EAC
-.skip 4
-
-glabel D_80183EB0
-.skip 16
-
-glabel D_80183EC0
-.skip 8
-
-glabel D_80183EC8
-.skip 20
-
-glabel D_80183EDC
-.skip 16
-
-glabel D_80183EEC
-.skip 60
-
-glabel D_80183F28
-.skip 4
-
-glabel D_80183F2C
-.skip 8
+glabel indexObjectList1
+.skip 128
 
-glabel D_80183F34
+glabel D_80183F20
 .skip 8
 
-glabel D_80183F3C
-.skip 20
-
-glabel D_80183F50
-.skip 4
-
-glabel D_80183F54
-.skip 16
-
-glabel D_80183F64
-.skip 16
-
-glabel D_80183F74
-.skip 52
+glabel indexObjectList2
+.skip 128
 
 glabel D_80183FA8
 .skip 32768
 
-glabel D_8018BFA8
-.skip 16
-
-glabel D_8018BFB8
-.skip 24
-
-glabel D_8018BFD0
-.skip 8
-
-glabel D_8018BFD8
-.skip 80
+glabel indexObjectList3
+.skip 128
 
 glabel D_8018C028
 .skip 8
 
-glabel D_8018C030
+glabel indexObjectList4
 .skip 128
 
 # Array of (4) Collisions?
@@ -795,9 +744,9 @@ glabel D_8018C970
 .skip 256
 
 # some hud related list begin
-# D_8018CA70 should be of size 528 (0x84 * 0x4)
+# playerHUD should be of size 528 (0x84 * 0x4)
 # D_8018CA74 through D_8018CC7D are all fake
-glabel D_8018CA70
+glabel playerHUD
 .skip 4
 
 glabel D_8018CA74
@@ -1022,7 +971,7 @@ glabel D_8018D010
 glabel D_8018D018
 .skip 4
 
-glabel D_8018D01C
+glabel xOrientation
 .skip 4
 
 glabel D_8018D020

asm/non_matchings/code_80057C60/func_8005CB60.s

@@ -1,10 +1,10 @@
 glabel func_8005CB60
 /* 05D760 8005CB60 0004C140 */  sll   $t8, $a0, 5
 /* 05D764 8005CB64 27BDFFC0 */  addiu $sp, $sp, -0x40
-/* 05D768 8005CB68 3C068019 */  lui   $a2, %hi(D_8018CA70) # $a2, 0x8019
+/* 05D768 8005CB68 3C068019 */  lui   $a2, %hi(playerHUD) # $a2, 0x8019
 /* 05D76C 8005CB6C 000470C0 */  sll   $t6, $a0, 3
 /* 05D770 8005CB70 0304C021 */  addu  $t8, $t8, $a0
-/* 05D774 8005CB74 24C6CA70 */  addiu $a2, %lo(D_8018CA70) # addiu $a2, $a2, -0x3590
+/* 05D774 8005CB74 24C6CA70 */  addiu $a2, %lo(playerHUD) # addiu $a2, $a2, -0x3590
 /* 05D778 8005CB78 AFB00018 */  sw    $s0, 0x18($sp)
 /* 05D77C 8005CB7C 01C47023 */  subu  $t6, $t6, $a0
 /* 05D780 8005CB80 0018C080 */  sll   $t8, $t8, 2

asm/non_matchings/code_8006E9C0/func_8006F008.s

@@ -74,8 +74,8 @@ glabel func_8006F008
 /* 06FC0C 8006F00C AC2055C8 */  sw    $zero, %lo(D_801655C8)($at)
 /* 06FC10 8006F010 3C013F80 */  li    $at, 0x3F800000 # 1.000000
 /* 06FC14 8006F014 44812000 */  mtc1  $at, $f4
-/* 06FC18 8006F018 3C028019 */  lui   $v0, %hi(D_8018D01C) # $v0, 0x8019
-/* 06FC1C 8006F01C 2442D01C */  addiu $v0, %lo(D_8018D01C) # addiu $v0, $v0, -0x2fe4
+/* 06FC18 8006F018 3C028019 */  lui   $v0, %hi(xOrientation) # $v0, 0x8019
+/* 06FC1C 8006F01C 2442D01C */  addiu $v0, %lo(xOrientation) # addiu $v0, $v0, -0x2fe4
 /* 06FC20 8006F020 3C0E800E */  lui   $t6, %hi(gIsMirrorMode) # $t6, 0x800e
 /* 06FC24 8006F024 E4440000 */  swc1  $f4, ($v0)
 /* 06FC28 8006F028 8DCEC604 */  lw    $t6, %lo(gIsMirrorMode)($t6)

asm/non_matchings/code_8006E9C0/init_hud_one_player.s

@@ -24,16 +24,16 @@ glabel init_hud_one_player
 /* 072080 80071480 3C048018 */  lui   $a0, %hi(gItemWindowObjectByPlayerId + 4) # $a0, 0x8018
 /* 072084 80071484 0C01C7C0 */  jal   find_unused_obj_index
 /* 072088 80071488 24843E8C */   addiu $a0, %lo(gItemWindowObjectByPlayerId + 4) # addiu $a0, $a0, 0x3e8c
-/* 07208C 8007148C 0C01C064 */  jal   func_80070190
+/* 07208C 8007148C 0C01C064 */  jal   init_object_list_index
 /* 072090 80071490 00000000 */   nop
 /* 072094 80071494 0C01C157 */  jal   func_8007055C
 /* 072098 80071498 00000000 */   nop
 /* 07209C 8007149C 0C01C157 */  jal   func_8007055C
 /* 0720A0 800714A0 00000000 */   nop
-/* 0720A4 800714A4 0C01C1E0 */  jal   func_80070780
+/* 0720A4 800714A4 0C01C1E0 */  jal   init_course_object
 /* 0720A8 800714A8 00000000 */   nop
-/* 0720AC 800714AC 3C088019 */  lui   $t0, %hi(D_8018CA70) # $t0, 0x8019
-/* 0720B0 800714B0 2508CA70 */  addiu $t0, %lo(D_8018CA70) # addiu $t0, $t0, -0x3590
+/* 0720AC 800714AC 3C088019 */  lui   $t0, %hi(playerHUD) # $t0, 0x8019
+/* 0720B0 800714B0 2508CA70 */  addiu $t0, %lo(playerHUD) # addiu $t0, $t0, -0x3590
 /* 0720B4 800714B4 240E0156 */  li    $t6, 342
 /* 0720B8 800714B8 A50E003E */  sh    $t6, 0x3e($t0)
 /* 0720BC 800714BC 8518003E */  lh    $t8, 0x3e($t0)
@@ -90,7 +90,7 @@ glabel init_hud_one_player
 /* 072188 80071588 3C014220 */  li    $at, 0x42200000 # 40.000000
 /* 07218C 8007158C 44817000 */  mtc1  $at, $f14
 /* 072190 80071590 3C014040 */  li    $at, 0x40400000 # 3.000000
-/* 072194 80071594 3C088019 */  lui   $t0, %hi(D_8018CA70) # $t0, 0x8019
+/* 072194 80071594 3C088019 */  lui   $t0, %hi(playerHUD) # $t0, 0x8019
 /* 072198 80071598 3C038019 */  lui   $v1, %hi(D_8018D0C8) # $v1, 0x8019
 /* 07219C 8007159C 3C048019 */  lui   $a0, %hi(D_8018D028) # $a0, 0x8019
 /* 0721A0 800715A0 3C058019 */  lui   $a1, %hi(D_8018D050) # $a1, 0x8019
@@ -101,7 +101,7 @@ glabel init_hud_one_player
 /* 0721B4 800715B4 44816800 */  mtc1  $at, $f13
 /* 0721B8 800715B8 44806000 */  mtc1  $zero, $f12
 /* 0721BC 800715BC 44801000 */  mtc1  $zero, $f2
-/* 0721C0 800715C0 2508CA70 */  addiu $t0, %lo(D_8018CA70) # addiu $t0, $t0, -0x3590
+/* 0721C0 800715C0 2508CA70 */  addiu $t0, %lo(playerHUD) # addiu $t0, $t0, -0x3590
 /* 0721C4 800715C4 240A00A0 */  li    $t2, 160
 /* 0721C8 800715C8 2529D098 */  addiu $t1, %lo(D_8018D098) # addiu $t1, $t1, -0x2f68
 /* 0721CC 800715CC 2442D078 */  addiu $v0, %lo(D_8018D078) # addiu $v0, $v0, -0x2f88

asm/non_matchings/code_80071F00/func_8007DB44.s

@@ -18,14 +18,14 @@ glabel func_8007DB44
 /* 07E780 8007DB80 3C088019 */  lui   $t0, %hi(D_8018D000) # $t0, 0x8019
 /* 07E784 8007DB84 2508D000 */  addiu $t0, %lo(D_8018D000) # addiu $t0, $t0, -0x3000
 /* 07E788 8007DB88 85020000 */  lh    $v0, ($t0)
-/* 07E78C 8007DB8C 3C108018 */  lui   $s0, %hi(D_80183EA0) # $s0, 0x8018
+/* 07E78C 8007DB8C 3C108018 */  lui   $s0, %hi(indexObjectList1) # $s0, 0x8018
 /* 07E790 8007DB90 00002825 */  move  $a1, $zero
 /* 07E794 8007DB94 10400003 */  beqz  $v0, .L8007DBA4
 /* 07E798 8007DB98 24060003 */   li    $a2, 3
 /* 07E79C 8007DB9C 244FFFFF */  addiu $t7, $v0, -1
 /* 07E7A0 8007DBA0 A50F0000 */  sh    $t7, ($t0)
 .L8007DBA4:
-/* 07E7A4 8007DBA4 8E103EA0 */  lw    $s0, %lo(D_80183EA0)($s0)
+/* 07E7A4 8007DBA4 8E103EA0 */  lw    $s0, %lo(indexObjectList1)($s0)
 /* 07E7A8 8007DBA8 2418FFFF */  li    $t8, -1
 /* 07E7AC 8007DBAC AFB80014 */  sw    $t8, 0x14($sp)
 /* 07E7B0 8007DBB0 24070001 */  li    $a3, 1

asm/non_matchings/code_80071F00/func_80080E8C.s

@@ -16,7 +16,7 @@ glabel func_80080E8C
 /* 081A9C 80080E9C AFB00014 */  sw    $s0, 0x14($sp)
 /* 081AA0 80080EA0 AFA40040 */  sw    $a0, 0x40($sp)
 /* 081AA4 80080EA4 AFA60048 */  sw    $a2, 0x48($sp)
-/* 081AA8 80080EA8 0C01C8E9 */  jal   func_800723A4
+/* 081AA8 80080EA8 0C01C8E9 */  jal   init_object
 /* 081AAC 80080EAC 00C02825 */   move  $a1, $a2
 /* 081AB0 80080EB0 8FAE0040 */  lw    $t6, 0x40($sp)
 /* 081AB4 80080EB4 240700E0 */  li    $a3, 224

asm/non_matchings/code_80071F00/func_80081FF4.s

@@ -3,7 +3,7 @@ glabel func_80081FF4
 /* 082BF8 80081FF8 AFBF0014 */  sw    $ra, 0x14($sp)
 /* 082BFC 80081FFC AFA5003C */  sw    $a1, 0x3c($sp)
 /* 082C00 80082000 AFA40038 */  sw    $a0, 0x38($sp)
-/* 082C04 80082004 0C01C8E9 */  jal   func_800723A4
+/* 082C04 80082004 0C01C8E9 */  jal   init_object
 /* 082C08 80082008 00002825 */   move  $a1, $zero
 /* 082C0C 8008200C 0C0ADF8D */  jal   random_int
 /* 082C10 80082010 2404001E */   li    $a0, 30
@@ -96,8 +96,8 @@ glabel func_80081FF4
 /* 082D48 80082148 254A6360 */  addiu $t2, %lo(gMoleSpawns) # addiu $t2, $t2, 0x6360
 /* 082D4C 8008214C 012A1021 */  addu  $v0, $t1, $t2
 /* 082D50 80082150 844B0000 */  lh    $t3, ($v0)
-/* 082D54 80082154 3C018019 */  lui   $at, %hi(D_8018D01C) # $at, 0x8019
-/* 082D58 80082158 C428D01C */  lwc1  $f8, %lo(D_8018D01C)($at)
+/* 082D54 80082154 3C018019 */  lui   $at, %hi(xOrientation) # $at, 0x8019
+/* 082D58 80082158 C428D01C */  lwc1  $f8, %lo(xOrientation)($at)
 /* 082D5C 8008215C 448B2000 */  mtc1  $t3, $f4
 /* 082D60 80082160 844C0002 */  lh    $t4, 2($v0)
 /* 082D64 80082164 844D0004 */  lh    $t5, 4($v0)

asm/non_matchings/code_80071F00/func_80082870.s

@@ -9,7 +9,7 @@ glabel func_80082870
 /* 08348C 8008288C AFB60038 */  sw    $s6, 0x38($sp)
 /* 083490 80082890 AFB3002C */  sw    $s3, 0x2c($sp)
 /* 083494 80082894 3C128018 */  lui   $s2, %hi(D_80183E40) # $s2, 0x8018
-/* 083498 80082898 3C148018 */  lui   $s4, %hi(D_80183F28) # $s4, 0x8018
+/* 083498 80082898 3C148018 */  lui   $s4, %hi(indexObjectList2) # $s4, 0x8018
 /* 08349C 8008289C 3C158016 */  lui   $s5, %hi(gObjectList) # $s5, 0x8016
 /* 0834A0 800828A0 3C171901 */  lui   $s7, (0x19017043 >> 16) # lui $s7, 0x1901
 /* 0834A4 800828A4 3C1E8016 */  lui   $fp, %hi(D_80165A90) # $fp, 0x8016
@@ -20,7 +20,7 @@ glabel func_80082870
 /* 0834B8 800828B8 27DE5A90 */  addiu $fp, %lo(D_80165A90) # addiu $fp, $fp, 0x5a90
 /* 0834BC 800828BC 36F77043 */  ori   $s7, (0x19017043 & 0xFFFF) # ori $s7, $s7, 0x7043
 /* 0834C0 800828C0 26B55C18 */  addiu $s5, %lo(gObjectList) # addiu $s5, $s5, 0x5c18
-/* 0834C4 800828C4 26943F28 */  addiu $s4, %lo(D_80183F28) # addiu $s4, $s4, 0x3f28
+/* 0834C4 800828C4 26943F28 */  addiu $s4, %lo(indexObjectList2) # addiu $s4, $s4, 0x3f28
 /* 0834C8 800828C8 26523E40 */  addiu $s2, %lo(D_80183E40) # addiu $s2, $s2, 0x3e40
 /* 0834CC 800828CC 00009825 */  move  $s3, $zero
 /* 0834D0 800828D0 241600E0 */  li    $s6, 224
@@ -64,8 +64,8 @@ glabel func_80082870
 /* 083564 80082964 26730001 */   addiu $s3, $s3, 1
 .L80082968:
 /* 083568 80082968 850876D2 */  lh    $t0, %lo(gCutsceneShotTimer)($t0)
-/* 08356C 8008296C 3C108018 */  lui   $s0, %hi(D_80183F2C) # $s0, 0x8018
-/* 083570 80082970 8E103F2C */  lw    $s0, %lo(D_80183F2C)($s0)
+/* 08356C 8008296C 3C108018 */  lui   $s0, %hi(indexObjectList2+4) # $s0, 0x8018
+/* 083570 80082970 8E103F2C */  lw    $s0, %lo(indexObjectList2+4)($s0)
 /* 083574 80082974 29010097 */  slti  $at, $t0, 0x97
 /* 083578 80082978 50200009 */  beql  $at, $zero, .L800829A0
 /* 08357C 8008297C 26730001 */   addiu $s3, $s3, 1

asm/non_matchings/code_80071F00/func_80082F1C.s

@@ -36,8 +36,8 @@ glabel func_80082F1C
 /* 083B88 80082F88 844D0002 */  lh    $t5, 2($v0)
 /* 083B8C 80082F8C 844E0004 */  lh    $t6, 4($v0)
 /* 083B90 80082F90 448C3000 */  mtc1  $t4, $f6
-/* 083B94 80082F94 3C018019 */  lui   $at, %hi(D_8018D01C) # $at, 0x8019
-/* 083B98 80082F98 C42AD01C */  lwc1  $f10, %lo(D_8018D01C)($at)
+/* 083B94 80082F94 3C018019 */  lui   $at, %hi(xOrientation) # $at, 0x8019
+/* 083B98 80082F98 C42AD01C */  lwc1  $f10, %lo(xOrientation)($at)
 /* 083B9C 80082F9C 46803220 */  cvt.s.w $f8, $f6
 /* 083BA0 80082FA0 448D9000 */  mtc1  $t5, $f18
 /* 083BA4 80082FA4 448E2000 */  mtc1  $t6, $f4

asm/non_matchings/code_80071F00/func_80086074.s

@@ -5,8 +5,8 @@ glabel func_80086074
 /* 086C80 80086080 27396734 */  addiu $t9, %lo(D_800E6734) # addiu $t9, $t9, 0x6734
 /* 086C84 80086084 000FC080 */  sll   $t8, $t7, 2
 /* 086C88 80086088 03191021 */  addu  $v0, $t8, $t9
-/* 086C8C 8008608C 3C018019 */  lui   $at, %hi(D_8018D01C) # $at, 0x8019
-/* 086C90 80086090 C426D01C */  lwc1  $f6, %lo(D_8018D01C)($at)
+/* 086C8C 8008608C 3C018019 */  lui   $at, %hi(xOrientation) # $at, 0x8019
+/* 086C90 80086090 C426D01C */  lwc1  $f6, %lo(xOrientation)($at)
 /* 086C94 80086094 C4440000 */  lwc1  $f4, ($v0)
 /* 086C98 80086098 27BDFFE0 */  addiu $sp, $sp, -0x20
 /* 086C9C 8008609C AFA50024 */  sw    $a1, 0x24($sp)

asm/non_matchings/hud_renderer/func_8004FA78.s

@@ -15,8 +15,8 @@ glabel func_8004FA78
 /* 0506AC 8004FAAC 10410069 */  beq   $v0, $at, .L8004FC54
 /* 0506B0 8004FAB0 00047140 */   sll   $t6, $a0, 5
 /* 0506B4 8004FAB4 01C47021 */  addu  $t6, $t6, $a0
-/* 0506B8 8004FAB8 3C0F8019 */  lui   $t7, %hi(D_8018CA70) # $t7, 0x8019
-/* 0506BC 8004FABC 25EFCA70 */  addiu $t7, %lo(D_8018CA70) # addiu $t7, $t7, -0x3590
+/* 0506B8 8004FAB8 3C0F8019 */  lui   $t7, %hi(playerHUD) # $t7, 0x8019
+/* 0506BC 8004FABC 25EFCA70 */  addiu $t7, %lo(playerHUD) # addiu $t7, $t7, -0x3590
 /* 0506C0 8004FAC0 000E7080 */  sll   $t6, $t6, 2
 /* 0506C4 8004FAC4 01CFA021 */  addu  $s4, $t6, $t7
 /* 0506C8 8004FAC8 3C188019 */  lui   $t8, %hi(D_8018D320) # $t8, 0x8019

asm/non_matchings/hud_renderer/func_80052590.s

@@ -1,7 +1,7 @@
 glabel func_80052590
 /* 053190 80052590 27BDFFB8 */  addiu $sp, $sp, -0x48
-/* 053194 80052594 3C028018 */  lui   $v0, %hi(D_80183EA0) # $v0, 0x8018
-/* 053198 80052598 8C423EA0 */  lw    $v0, %lo(D_80183EA0)($v0)
+/* 053194 80052594 3C028018 */  lui   $v0, %hi(indexObjectList1) # $v0, 0x8018
+/* 053198 80052598 8C423EA0 */  lw    $v0, %lo(indexObjectList1)($v0)
 /* 05319C 8005259C 00047080 */  sll   $t6, $a0, 2
 /* 0531A0 800525A0 AFBE0040 */  sw    $fp, 0x40($sp)
 /* 0531A4 800525A4 01C47023 */  subu  $t6, $t6, $a0

asm/non_matchings/save/func_800B5218.s

@@ -8,12 +8,12 @@ glabel func_800B5218
 /* 0B5E30 800B5230 27BDFFB8 */  addiu $sp, $sp, -0x48
 /* 0B5E34 800B5234 000E7880 */  sll   $t7, $t6, 2
 /* 0B5E38 800B5238 3C058019 */  lui   $a1, %hi(D_8018CA74) # $a1, 0x8019
-/* 0B5E3C 800B523C 3C068019 */  lui   $a2, %hi(D_8018CA70) # $a2, 0x8019
+/* 0B5E3C 800B523C 3C068019 */  lui   $a2, %hi(playerHUD) # $a2, 0x8019
 /* 0B5E40 800B5240 01F8C821 */  addu  $t9, $t7, $t8
 /* 0B5E44 800B5244 AFBF0014 */  sw    $ra, 0x14($sp)
 /* 0B5E48 800B5248 AFB90038 */  sw    $t9, 0x38($sp)
 /* 0B5E4C 800B524C 24070001 */  li    $a3, 1
-/* 0B5E50 800B5250 24C6CA70 */  addiu $a2, %lo(D_8018CA70) # addiu $a2, $a2, -0x3590
+/* 0B5E50 800B5250 24C6CA70 */  addiu $a2, %lo(playerHUD) # addiu $a2, $a2, -0x3590
 /* 0B5E54 800B5254 24A5CA74 */  addiu $a1, %lo(D_8018CA74) # addiu $a1, $a1, -0x358c
 /* 0B5E58 800B5258 24020001 */  li    $v0, 1
 /* 0B5E5C 800B525C 24080003 */  li    $t0, 3
@@ -25,8 +25,8 @@ glabel func_800B5218
 /* 0B5E70 800B5270 00025880 */  sll   $t3, $v0, 2
 /* 0B5E74 800B5274 0064082A */  slt   $at, $v1, $a0
 /* 0B5E78 800B5278 10200005 */  beqz  $at, .L800B5290
-/* 0B5E7C 800B527C 3C0C8019 */   lui   $t4, %hi(D_8018CA70) # $t4, 0x8019
-/* 0B5E80 800B5280 258CCA70 */  addiu $t4, %lo(D_8018CA70) # addiu $t4, $t4, -0x3590
+/* 0B5E7C 800B527C 3C0C8019 */   lui   $t4, %hi(playerHUD) # $t4, 0x8019
+/* 0B5E80 800B5280 258CCA70 */  addiu $t4, %lo(playerHUD) # addiu $t4, $t4, -0x3590
 /* 0B5E84 800B5284 004A3804 */  sllv  $a3, $t2, $v0
 /* 0B5E88 800B5288 10000005 */  b     .L800B52A0
 /* 0B5E8C 800B528C 016C3021 */   addu  $a2, $t3, $t4

include/common_structs.h

@@ -508,8 +508,8 @@ typedef struct {
     /* 0x81 */ u8 unk_81;
     /* 0x82 */ s8 unk_82;
     /* 0x83 */ s8 unk_83;
-} struct_8018CA70_entry; // size = 0x84
+} hud_player; // size = 0x84
 
-#define D_8018CA70_SIZE 4
+#define HUD_PLAYERS_SIZE 4
 
 #endif

include/objects.h

@@ -175,10 +175,10 @@ extern s32 D_80183DB8[];
 // Appears to be a list of object list indices for the Item Window part of the HUD
 extern s32 gItemWindowObjectByPlayerId[];
 
-// Used for loop bounds when accessing D_80183EA0
+// Used for loop bounds when accessing indexObjectList1
 extern s16 D_80165750;
 // These seem to be limits on different object types in Moo Moo Farm
-// See func_80070780 in code_8006E9C0.c
+// See init_course_object in code_8006E9C0.c
 // Maybe max number of active moles in a given group of moles?
 extern s32 D_8018D1C8;
 extern s32 D_8018D1D0;
@@ -189,9 +189,9 @@ extern s32 D_8018D3C0;
 extern Collision D_8018C0B0[];
 
 /**
- * D_80183EA0, D_80183F28, D_8018BFA8, and D_8018C030 are all lists of indices in gObjectList.
- * func_80070190 initializes them in such a way that the indicies in each list are not adjacent.
- * First D_80183EA0 gets an unused index, then D_80183F28, then D_8018BFA8, then D_8018C030, and then it loops.
+ * indexObjectList1, indexObjectList2, indexObjectList3, and indexObjectList4 are all lists of indices in gObjectList.
+ * init_object_list_index initializes them in such a way that the indicies in each list are not adjacent.
+ * First indexObjectList1 gets an unused index, then indexObjectList2, then indexObjectList3, then indexObjectList4, and then it loops.
  * 
  * The objects found at the indices in each list appears to be course dependent
  **/ 
@@ -250,7 +250,7 @@ extern s16 gNumActiveThwomps;
  * Penguins in Sherbet Land?
  * Flag Poles in Yoshi Valley?
 **/
-extern s32 D_80183EA0[];
+extern s32 indexObjectList1[];
 
 
 #define NUM_SEAGULLS 10
@@ -280,7 +280,7 @@ extern Vec3s gHedgehogPatrolPoints[];
  * Hedgehogs in Yoshi Valley?
  * Spawn for big fire breath in Bowser's Castle
 **/
-extern s32 D_80183F28[];
+extern s32 indexObjectList2[];
 
 #define NUM_BOOS 0xA
 #define NUM_FIRE_BREATHS 4
@@ -291,10 +291,12 @@ extern Vec3s gFireBreathsSpawns[];
  * Boos in Banshee Boardwalk
  * Spawners for the 4 small fire breaths inside Bowser's Castle
 **/
-extern s32 D_8018BFA8[];
+extern s32 indexObjectList3[];
 
-// Appears to go entirely unused?
-extern s32 D_8018C030[];
+/**
+ * Unused list of object indices
+*/
+extern s32 indexObjectList4[];
 
 #define D_8018C1B0_SIZE 128
 #define NUM_MAX_MOLES  0x1F