From 2191b4bfa6c9ac10e540f0b308565a527f11de4e Mon Sep 17 00:00:00 2001
From: Randy Heit <rheit@zdoom.fake>
Date: Sat, 1 Jun 2013 02:19:18 +0000
Subject: [PATCH] - Added ACS function LineAttack via Ryan Cordell.

SVN r4304 (trunk)
---
 src/p_acs.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 71c0f53f3e..57bcc07c27 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -4112,6 +4112,7 @@ enum EACSFunctions
 	ACSF_SetCVarString,
 	ACSF_GetUserCVarString,
 	ACSF_SetUserCVarString,
+	ACSF_LineAttack,
 
 	// ZDaemon
 	ACSF_GetTeamScore = 19620,	// (int team)
@@ -4853,6 +4854,33 @@ int DLevelScript::CallFunction(int argCount, int funcIndex, SDWORD *args)
 			}
 			break;
 
+		//[RC] A bullet firing function for ACS. Thanks to DavidPH.
+		case ACSF_LineAttack:
+			{
+				fixed_t	angle		= args[1] << FRACBITS;
+				fixed_t	pitch		= args[2] << FRACBITS;
+				int	damage			= args[3];
+				FName pufftype		= argCount > 4 && args[4]? FName(FBehavior::StaticLookupString(args[4])) : NAME_BulletPuff;
+				FName damagetype	= argCount > 5 && args[5]? FName(FBehavior::StaticLookupString(args[5])) : NAME_None;
+				fixed_t	range		= argCount > 6 && args[6]? args[6] : 0x7FFFFFFF;
+
+				if (args[0] == 0)
+				{
+					P_LineAttack(activator, angle, range, pitch, damage, damagetype, pufftype);
+				}
+				else
+				{
+					AActor *source;
+					FActorIterator it(args[0]);
+
+					while ((source = it.Next()) != NULL)
+					{
+						P_LineAttack(activator, angle, range, pitch, damage, damagetype, pufftype);
+					}
+				}
+			}
+			break;
+
 		default:
 			break;
 	}