From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Mon, 9 Feb 2015 08:46:35 +0000 (+0000)
Subject: Fix dodgy use of plane.normal[3] as alias to plane.dist using a union.
X-Git-Tag: xonotic-v0.8.1~29^2~1
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=895325dda6c0a128301d687e5094fd91b7c6a467;p=xonotic%2Fdarkplaces.git

Fix dodgy use of plane.normal[3] as alias to plane.dist using a union.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12159 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/collision.h b/collision.h
index f4f47617..70fbd485 100644
--- a/collision.h
+++ b/collision.h
@@ -2,10 +2,14 @@
 #ifndef COLLISION_H
 #define COLLISION_H
 
-typedef struct plane_s
+typedef union plane_s
 {
-	vec3_t	normal;
-	float	dist;
+	struct
+	{
+		vec3_t	normal;
+		vec_t	dist;
+	};
+	vec4_t dist_and_normal;
 }
 plane_t;
 
@@ -76,8 +80,15 @@ typedef struct colplanef_s
 {
 	const struct texture_s *texture;
 	int q3surfaceflags;
-	vec3_t normal;
-	vec_t dist;
+	union
+	{
+		struct
+		{
+			vec3_t normal;
+			vec_t dist;
+		};
+		vec4_t normal_and_dist;
+	};
 }
 colplanef_t;