From 4a7d4db25aeded30384018c800dafe6aa16b6927 Mon Sep 17 00:00:00 2001
From: nmlgc <nmlgc@nmlgc.net>
Date: Fri, 5 Apr 2024 23:38:09 +0200
Subject: [PATCH] =?UTF-8?q?[Reverse-engineering]=20[th02]=20Evil=20Eye=20?=
 =?UTF-8?q?=CE=A3:=20Fight=20duration?=
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Part of P0279, funded by Yanga and Blue Bolt.
---
 th02/main/boss/bosses.hpp | 5 +++++
 th02_main.asm             | 9 +++++----
 2 files changed, 10 insertions(+), 4 deletions(-)
 create mode 100644 th02/main/boss/bosses.hpp

diff --git a/th02/main/boss/bosses.hpp b/th02/main/boss/bosses.hpp
new file mode 100644
index 00000000..71811ec7
--- /dev/null
+++ b/th02/main/boss/bosses.hpp
@@ -0,0 +1,5 @@
+// TH02-specific boss declarations.
+
+// Total amount of frames spent in the Evil Eye Σ fight, excluding the defeat
+// animation.
+extern uint32_t sigma_frames;
diff --git a/th02_main.asm b/th02_main.asm
index 4f4a80de..444a1e6a 100644
--- a/th02_main.asm
+++ b/th02_main.asm
@@ -6791,7 +6791,7 @@ loc_FE9B:
 		push	si
 		call	sub_FC15
 		mov	ax, 4E20h
-		sub	ax, word ptr dword_20682
+		sub	ax, word ptr _sigma_frames
 		mov	si, ax
 		or	si, si
 		jge	short loc_FEB9
@@ -7149,7 +7149,7 @@ loc_102A9:
 		mov	byte_2066A, 0
 		mov	_boss_damage, 0
 		mov	byte_2066B, 0
-		mov	dword_20682, 0
+		mov	_sigma_frames, 0
 		mov	word_20686, 0
 		pop	si
 		pop	bp
@@ -18380,7 +18380,7 @@ loc_16948:
 		mov	ax, [bx]
 		mov	point_254E6.y, ax
 		call	sub_15907
-		inc	dword_20682
+		inc	_sigma_frames
 
 loc_16962:
 		call	sub_1566F
@@ -30549,7 +30549,8 @@ word_2066E	dw ?
 word_20670	dw ?
 byte_20672	db ?
 		db 15 dup(?)
-dword_20682	dd ?
+public _sigma_frames
+_sigma_frames	dd ?
 word_20686	dw ?
 		db 3000 dup(?)