From df85ded9f36fa2df2a4b119ae712ef8fac2fd5ea Mon Sep 17 00:00:00 2001
From: Ryan Dwyer <ryandwyer1@gmail.com>
Date: Mon, 21 Oct 2019 22:06:01 +1000
Subject: [PATCH] Decompile aiSetAutogunType

---
 src/game/chr/chraicommands.c         | 51 ++++++++--------------------
 src/include/constants.h              |  1 +
 src/include/game/chr/chraicommands.h |  2 +-
 src/include/types.h                  | 24 +++++++++++++
 src/setup/setup_000000.c             |  2 +-
 5 files changed, 42 insertions(+), 38 deletions(-)

diff --git a/src/game/chr/chraicommands.c b/src/game/chr/chraicommands.c
index 945eaa517..3f2516340 100644
--- a/src/game/chr/chraicommands.c
+++ b/src/game/chr/chraicommands.c
@@ -16717,42 +16717,21 @@ glabel ai01b7
 /**
  * @cmd 01b8
  */
-GLOBAL_ASM(
-glabel ai01b8
-/*  f05e914:	3c05800a */ 	lui	$a1,0x800a
-/*  f05e918:	24a59fc0 */ 	addiu	$a1,$a1,-24640
-/*  f05e91c:	8cae0434 */ 	lw	$t6,0x434($a1)
-/*  f05e920:	8caf0438 */ 	lw	$t7,0x438($a1)
-/*  f05e924:	27bdffe0 */ 	addiu	$sp,$sp,-32
-/*  f05e928:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*  f05e92c:	01cf1821 */ 	addu	$v1,$t6,$t7
-/*  f05e930:	90640002 */ 	lbu	$a0,0x2($v1)
-/*  f05e934:	0fc2556c */ 	jal	objFindByTagId
-/*  f05e938:	afa3001c */ 	sw	$v1,0x1c($sp)
-/*  f05e93c:	3c05800a */ 	lui	$a1,0x800a
-/*  f05e940:	24a59fc0 */ 	addiu	$a1,$a1,-24640
-/*  f05e944:	1040000b */ 	beqz	$v0,.L0f05e974
-/*  f05e948:	8fa3001c */ 	lw	$v1,0x1c($sp)
-/*  f05e94c:	8c580014 */ 	lw	$t8,0x14($v0)
-/*  f05e950:	53000009 */ 	beqzl	$t8,.L0f05e978
-/*  f05e954:	8ca90438 */ 	lw	$t1,0x438($a1)
-/*  f05e958:	90590003 */ 	lbu	$t9,0x3($v0)
-/*  f05e95c:	2401000d */ 	addiu	$at,$zero,0xd
-/*  f05e960:	57210005 */ 	bnel	$t9,$at,.L0f05e978
-/*  f05e964:	8ca90438 */ 	lw	$t1,0x438($a1)
-/*  f05e968:	90680003 */ 	lbu	$t0,0x3($v1)
-/*  f05e96c:	ac4000a4 */ 	sw	$zero,0xa4($v0)
-/*  f05e970:	a04800a8 */ 	sb	$t0,0xa8($v0)
-.L0f05e974:
-/*  f05e974:	8ca90438 */ 	lw	$t1,0x438($a1)
-.L0f05e978:
-/*  f05e978:	8fbf0014 */ 	lw	$ra,0x14($sp)
-/*  f05e97c:	27bd0020 */ 	addiu	$sp,$sp,0x20
-/*  f05e980:	252a0004 */ 	addiu	$t2,$t1,0x4
-/*  f05e984:	acaa0438 */ 	sw	$t2,0x438($a1)
-/*  f05e988:	03e00008 */ 	jr	$ra
-/*  f05e98c:	00001025 */ 	or	$v0,$zero,$zero
-);
+bool aiSetAutogunType(void)
+{
+	u8 *cmd = g_Vars.ailist + g_Vars.aioffset;
+	struct defaultobj *obj = objFindByTagId(cmd[2]);
+
+	if (obj && obj->pos && obj->type == OBJTYPE_AUTOGUN) {
+		struct autogunobj *autogun = (struct autogunobj *)obj;
+		autogun->autogun_type = cmd[3];
+		autogun->unka4 = 0;
+	}
+
+	g_Vars.aioffset += 4;
+
+	return false;
+}
 
 /**
  * @cmd 01b9
diff --git a/src/include/constants.h b/src/include/constants.h
index 154fdd7f7..271756f61 100644
--- a/src/include/constants.h
+++ b/src/include/constants.h
@@ -449,6 +449,7 @@
 #define OBJTYPE_WEAPON        0x08
 #define OBJTYPE_SINGLEMONITOR 0x0a
 #define OBJTYPE_MULTIMONITOR  0x0b
+#define OBJTYPE_AUTOGUN       0x0d
 #define OBJTYPE_LIFT          0x30
 
 #define OPERATOR_LESS_THAN    0
diff --git a/src/include/game/chr/chraicommands.h b/src/include/game/chr/chraicommands.h
index feffece87..147fd2e9e 100644
--- a/src/include/game/chr/chraicommands.h
+++ b/src/include/game/chr/chraicommands.h
@@ -403,7 +403,7 @@
 /*0x01b5*/ bool ai01b5(void);
 /*0x01b6*/ bool aiConfigureSnow(void);
 /*0x01b7*/ bool ai01b7(void);
-/*0x01b8*/ bool ai01b8(void);
+/*0x01b8*/ bool aiSetAutogunType(void);
 /*0x01b9*/ bool ai01b9(void);
 /*0x01ba*/ bool ai01ba(void);
 /*0x01bb*/ bool ai01bb(void);
diff --git a/src/include/types.h b/src/include/types.h
index 1633f07da..3c9239054 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -392,6 +392,30 @@ struct multimonitorobj { // objtype 0b
 	struct singlemonitorobj subobjs[4];
 };
 
+struct autogunobj { // objtype 0d
+	struct defaultobj base;
+	/*0x5c*/ u32 unk5c;
+	/*0x60*/ u32 unk60;
+	/*0x64*/ u32 unk64;
+	/*0x68*/ u32 unk68;
+	/*0x6c*/ u32 unk6c;
+	/*0x70*/ u32 unk70;
+	/*0x74*/ u32 unk74;
+	/*0x78*/ u32 unk78;
+	/*0x7c*/ u32 unk7c;
+	/*0x80*/ u32 unk80;
+	/*0x84*/ u32 unk84;
+	/*0x88*/ u32 unk88;
+	/*0x8c*/ u32 unk8c;
+	/*0x90*/ u32 unk90;
+	/*0x94*/ u32 unk94;
+	/*0x98*/ u32 unk98;
+	/*0x9c*/ u32 unk9c;
+	/*0xa0*/ u32 unka0;
+	/*0xa4*/ u32 unka4;
+	/*0xa8*/ u8 autogun_type;
+};
+
 struct liftobj {
 	struct defaultobj base;
 	/*0x5c*/ u32 unk5c;
diff --git a/src/setup/setup_000000.c b/src/setup/setup_000000.c
index 6b41b5bb0..db25126d8 100644
--- a/src/setup/setup_000000.c
+++ b/src/setup/setup_000000.c
@@ -14393,7 +14393,7 @@ bool (*command_pointers[])(void) = {
 	/*0x01b5*/ ai01b5,
 	/*0x01b6*/ aiConfigureSnow,
 	/*0x01b7*/ ai01b7,
-	/*0x01b8*/ ai01b8,
+	/*0x01b8*/ aiSetAutogunType,
 	/*0x01b9*/ ai01b9,
 	/*0x01ba*/ ai01ba,
 	/*0x01bb*/ ai01bb,