From 122624f89ee179509fe3c0afc495d6b49240be5e Mon Sep 17 00:00:00 2001
From: Julie Marchant <onpon4@riseup.net>
Date: Sat, 22 Jun 2019 08:44:54 -0400
Subject: [PATCH] Change the method for determining Sid's good targets outside
 Classic difficulty.

The original method just looked for non-firing targets, which caused
Sid to piss around a bit with the non-target transports.  This new
method just targets the specific classes Sid is always going after,
cargo ships and bosses.
---
 src/alien.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/alien.c b/src/alien.c
index 098c8d6..06f70ca 100644
--- a/src/alien.c
+++ b/src/alien.c
@@ -1674,8 +1674,19 @@ void alien_searchForTarget(Object *alien)
 		if (targetEnemy->flags & FL_DISABLED)
 			return;
 
-		if (!(targetEnemy->flags & FL_NOFIRE))
-			badTarget = 1;
+		if (game.difficulty == DIFFICULTY_ORIGINAL)
+		{
+			if (!(targetEnemy->flags & FL_NOFIRE))
+				badTarget = 1;
+		}
+		else
+		{
+			if ((targetEnemy->classDef != CD_CARGOSHIP) &&
+					(targetEnemy->classDef != CD_BOSS))
+			{
+				badTarget = 1;
+			}
+		}
 	}
 
 	// Tell Phoebe and Ursula not to attack ships that cannot fire or are disabled (unless we're on the last mission)