From 9d49bc621ee64e2326c0b8641dc71d098ce8b2d3 Mon Sep 17 00:00:00 2001
From: Rudolf Polzer <divverent@xonotic.org>
Date: Fri, 1 Jul 2011 20:00:16 +0200
Subject: [PATCH] add a workaround for Xonotic 0.1.0 "crouchbug"

---
 qcsrc/client/View.qc        |  7 +++++++
 qcsrc/common/util-pre.qh    |  2 ++
 qcsrc/warpzonelib/client.qc | 18 ++++++++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/qcsrc/client/View.qc b/qcsrc/client/View.qc
index 69f7f4676..823f82044 100644
--- a/qcsrc/client/View.qc
+++ b/qcsrc/client/View.qc
@@ -549,8 +549,15 @@ void CSQC_UpdateView(float w, float h)
 
 	// ALWAYS Clear Current Scene First
 	R_ClearScene();
+#ifdef WORKAROUND_XON010
+	if(checkextension("DP_CSQC_ROTATEMOVES"))
+	{
+#endif
 	R_SetView(VF_ORIGIN, view_origin);
 	R_SetView(VF_ANGLES, view_angles);
+#ifdef WORKAROUND_XON010
+	}
+#endif
 
 	// FIXME engine bug? VF_SIZE and VF_MIN are not restored to sensible values by this
 	R_SetView(VF_SIZE, vf_size);
diff --git a/qcsrc/common/util-pre.qh b/qcsrc/common/util-pre.qh
index bc086e4a9..4e237bfb6 100644
--- a/qcsrc/common/util-pre.qh
+++ b/qcsrc/common/util-pre.qh
@@ -1,2 +1,4 @@
 #pragma flag enable subscope
 #pragma flag enable lo
+
+#define WORKAROUND_XON010
diff --git a/qcsrc/warpzonelib/client.qc b/qcsrc/warpzonelib/client.qc
index d0e797448..5979c804d 100644
--- a/qcsrc/warpzonelib/client.qc
+++ b/qcsrc/warpzonelib/client.qc
@@ -242,12 +242,19 @@ void WarpZone_FixView()
 
 	org = R_SetView3fv(VF_ORIGIN);
 	ang = R_SetView3fv(VF_ANGLES);
+#ifdef WORKAROUND_XON010
+	float dirty;
+	dirty = checkextension("DP_CSQC_ROTATEMOVES");
+#endif
 
 	e = WarpZone_Find(org, org);
 	if(e)
 	{
 		org = WarpZone_TransformOrigin(e, org);
 		ang = WarpZone_TransformVAngles(e, ang);
+#ifdef WORKAROUND_XON010
+		dirty = 1;
+#endif
 		WarpZone_View_Inside();
 	}
 	else
@@ -264,11 +271,22 @@ void WarpZone_FixView()
 	rick *= f;
 	R_SetView(VF_CL_VIEWANGLES_Z, rick);
 
+#ifdef WORKAROUND_XON010
+	if(ang_z > 1 || ang_z < -1)
+		dirty = 1;
+#endif
 	ang_z *= f;
 #endif
 
+#ifdef WORKAROUND_XON010
+	if(dirty)
+	{
+#endif
 	R_SetView(VF_ORIGIN, org);
 	R_SetView(VF_ANGLES, ang);
+#ifdef WORKAROUND_XON010
+	}
+#endif
 
 	nearclip = '0 0 1' * (cvar("r_nearclip") * 1.125);
 	corner0 = cs_unproject('0 0 0' + nearclip);
-- 
2.39.2