From 2d3f788eea54d8c24d5eb115eb234fc872e43ac8 Mon Sep 17 00:00:00 2001
From: Michael Sterrett <mr_bones_@gentoo.org>
Date: Thu, 19 Aug 2004 10:57:28 +0000
Subject: Add patch from marco to fix matrix function (bug #44429)

---
 dev-games/irrlicht/files/0.6-matrix4.patch | 44 ++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 dev-games/irrlicht/files/0.6-matrix4.patch

(limited to 'dev-games/irrlicht/files')

diff --git a/dev-games/irrlicht/files/0.6-matrix4.patch b/dev-games/irrlicht/files/0.6-matrix4.patch
new file mode 100644
index 000000000000..bf5d3742a2d9
--- /dev/null
+++ b/dev-games/irrlicht/files/0.6-matrix4.patch
@@ -0,0 +1,44 @@
+diff -Nur irrlicht-0.6/include/matrix4.h irrlicht-0.6_new/include/matrix4.h
+--- irrlicht-0.6/include/matrix4.h	2004-08-17 23:18:27.372459013 +0200
++++ irrlicht-0.6_new/include/matrix4.h	2004-08-17 23:21:56.520925016 +0200
+@@ -186,7 +186,7 @@
+ 		newMatrix[8] = m1[0]*m2[8] + m1[4]*m2[9] + m1[8]*m2[10] + m1[12]*m2[11];
+ 		newMatrix[9] = m1[1]*m2[8] + m1[5]*m2[9] + m1[9]*m2[10] + m1[13]*m2[11];
+ 		newMatrix[10] = m1[2]*m2[8] + m1[6]*m2[9] + m1[10]*m2[10] + m1[14]*m2[11];
+-		newMatrix[11] = m1[3]*m2[8] + m1[7]*m2[10] + m1[11]*m2[10] + m1[15]*m2[11];
++		newMatrix[11] = m1[3]*m2[8] + m1[7]*m2[9] + m1[11]*m2[10] + m1[15]*m2[11];
+ 		
+ 		newMatrix[12] = m1[0]*m2[12] + m1[4]*m2[13] + m1[8]*m2[14] + m1[12]*m2[15];
+ 		newMatrix[13] = m1[1]*m2[12] + m1[5]*m2[13] + m1[9]*m2[14] + m1[13]*m2[15];
+@@ -308,7 +308,7 @@
+ 
+ 		f32 rotx, roty, X, Z;
+  
+-		if (fabs(Y)>0.0005f) 
++		if (fabs(C)>0.0005f) 
+ 		{ 
+ 			rotx = mat(2,2) / C; 
+ 			roty = mat(2,1)  / C; 
+@@ -320,16 +320,16 @@
+ 		else 
+ 		{
+ 			X  = 0.0f; 
+-			rotx = -mat(1,1); 
+-			roty = mat(1,0); 
++			rotx = mat(1,1); 
++			roty = -mat(0,1); 
+ 			Z  = atan2f( roty, rotx ) * (f32)GRAD_PI; 
+ 		} 
+  
+-		if (fabs(X)>=360.00f) X=0.00f; 
+-		if (fabs(Y)>=360.00f) Y=0.00f; 
+-		if (fabs(Z)>=360.00f) Z=0.00f; 
++		if (X<0.00f) X+=360.00f; 
++		if (Y<0.00f) Y+=360.00f; 
++		if (Z<0.00f) Z+=360.00f; 
+  
+-		return vector3df(X,Y,Z); 
++		return vector3df((f32)X,(f32)Y,(f32)Z); 
+ 	}
+ 
+ 	inline void matrix4::setInverseRotationRadians( const vector3df& rotation )
-- 
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