From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Thu, 27 Mar 2003 08:02:43 +0000 (+0000)
Subject: added Math_atov function (ascii to vector), tries to parse any imaginable vector... 
X-Git-Tag: xonotic-v0.1.0preview~6716
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=2861288617172d7be2fc45c92b3bc1adb04f8a2a;p=xonotic%2Fdarkplaces.git

added Math_atov function (ascii to vector), tries to parse any imaginable vector (even badly formatted ones with varying numbers of spaces)


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@2854 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/mathlib.c b/mathlib.c
index a55ab9d6..e55de853 100644
--- a/mathlib.c
+++ b/mathlib.c
@@ -518,3 +518,25 @@ void Matrix4x4_Print (const matrix4x4_t *in)
 	, in->m[2][0], in->m[2][1], in->m[2][2], in->m[2][3]
 	, in->m[3][0], in->m[3][1], in->m[3][2], in->m[3][3]);
 }
+
+int Math_atov(const char *s, vec3_t out)
+{
+	int i;
+	VectorClear(out);
+	if (*s == '\'')
+		s++;
+	for (i = 0;i < 3;i++)
+	{
+		while (*s == ' ' || *s == '\t')
+			s++;
+		out[i] = atof (s);
+		if (out[i] == 0 && *s != '-' && *s != '+' && (*s < '0' || *s > '9'))
+			break; // not a number
+		while (*s && *s != ' ' && *s !='\t' && *s != '\'')
+			s++;
+		if (*s == '\'')
+			break;
+	}
+	return i;
+}
+
diff --git a/mathlib.h b/mathlib.h
index 3d567852..ba362ce3 100644
--- a/mathlib.h
+++ b/mathlib.h
@@ -223,6 +223,7 @@ float RadiusFromBoundsAndOrigin (const vec3_t mins, const vec3_t maxs, const vec
 // print a matrix to the console
 struct matrix4x4_s;
 void Matrix4x4_Print(const struct matrix4x4_s *in);
+int Math_atov(const char *s, vec3_t out);
 
 #endif