From 36aa07e5cf91ae7e149effade3a09b1d20eb1c6d Mon Sep 17 00:00:00 2001
From: Ryan Dwyer <ryandwyer1@gmail.com>
Date: Wed, 11 Mar 2020 19:54:09 +1000
Subject: [PATCH] Attempt to decompile func0f028590

---
 src/game/game_01e250.c         | 47 ++++++++++++++++++++++++++++++++++
 src/include/boot/boot.h        |  2 ++
 src/include/game/game_01e250.h |  2 +-
 3 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/src/game/game_01e250.c b/src/game/game_01e250.c
index 85075389f..1ee18055f 100644
--- a/src/game/game_01e250.c
+++ b/src/game/game_01e250.c
@@ -1,5 +1,6 @@
 #include <ultra64.h>
 #include "constants.h"
+#include "boot/boot.h"
 #include "game/cheats.h"
 #include "game/chr/chraction.h"
 #include "game/data/data_000000.h"
@@ -11455,6 +11456,52 @@ glabel var7f1a8948
 /*  f028770:	27bd0070 */ 	addiu	$sp,$sp,0x70
 );
 
+// Mismatch due to not storing 0.75f in rodata
+// and suspected ASM hack in piracy check.
+//void func0f028590(f32 arg0)
+//{
+//	s32 i;
+//	f32 add = 0.75f;
+//
+//	for (i = 0; i < g_NumChrsA; i++) {
+//		if (g_ChrsA[i].animdata) {
+//			struct prop *prop = g_ChrsA[i].prop;
+//
+//			if (prop && prop->type == PROPTYPE_CHR &&
+//					chrGetTargetProp(&g_ChrsA[i]) == g_Vars.currentplayer->prop) {
+//
+//				f32 distance = chrGetDistanceToCurrentPlayer(&g_ChrsA[i]);
+//
+//				if (distance == 0) {
+//					distance = 2;
+//				} else {
+//					distance = (arg0 * 100 * g_ChrsA[i].hearingscale * (1.0f + add)) / distance;
+//				}
+//
+//				if (distance > 1.0f) {
+//					chrRecordLastHearTargetTime(&g_ChrsA[i]);
+//#if PIRACYCHECKS
+//					{
+//						s32 *i = (s32 *)&func00002078;
+//						s32 *end = (s32 *)&func00002148;
+//						u32 checksum = 0;
+//
+//						while (i < end) {
+//							checksum = *i + 2 * checksum;
+//							i++;
+//						}
+//
+//						if (checksum != 0xe1ab0f90) {
+//							g_Bodies[BODY_SKEDARKING].bodyfileid = 0;
+//						}
+//					}
+//#endif
+//				}
+//			}
+//		}
+//	}
+//}
+
 struct chrdata *chrFindByLiteralId(s32 chrnum)
 {
 	s32 lower = 0;
diff --git a/src/include/boot/boot.h b/src/include/boot/boot.h
index 7203e0bf1..056c1355f 100644
--- a/src/include/boot/boot.h
+++ b/src/include/boot/boot.h
@@ -10,6 +10,8 @@ s32 func000018ac(void);
 void func00001b28(u32 arg0);
 s32 func00001e30(void);
 s32 func00001fa8(void);
+s32 func00002078(void);
+s32 func00002148(void);
 s32 func00002148(void);
 s32 func000022e0(void);
 s32 func00002ff0(void);
diff --git a/src/include/game/game_01e250.h b/src/include/game/game_01e250.h
index 057f498b4..184d2eb73 100644
--- a/src/include/game/game_01e250.h
+++ b/src/include/game/game_01e250.h
@@ -42,7 +42,7 @@ u32 func0f0278a4(void);
 u32 func0f027994(void);
 u32 func0f027e1c(void);
 u32 func0f028498(void);
-u32 func0f028590(void);
+void func0f028590(f32 arg0);
 u32 func0f028a50(void);
 u32 func0f028d50(void);
 u32 func0f028e18(void);