CL_RotateMoves: helper builtin for Xonotic for perfect warpzone prediction

[xonotic/darkplaces.git] / cl_input.c

diff --git a/cl_input.c b/cl_input.c
index 1a0704d70dfa7785ea1dd72076547bd105fac079..577df50572811787e858b511261fa5cfa345acf9 100644 (file)
--- a/cl_input.c
+++ b/cl_input.c
@@ -1697,6 +1697,25 @@ void CL_NewFrameReceived(int num)
        cl.latestframenumsposition = (cl.latestframenumsposition + 1) % LATESTFRAMENUMS;
 }
 
+void CL_RotateMoves(const matrix4x4_t *m)
+{
+       // rotate viewangles in all previous moves
+       vec3_t v;
+       vec3_t f, r, u;
+       int i;
+       for (i = 0;i < CL_MAX_USERCMDS;i++)
+       {
+               if (cl.movecmd[i].sequence > cls.servermovesequence)
+               {
+                       usercmd_t *c = &cl.movecmd[i];
+                       AngleVectors(c->viewangles, f, r, u);
+                       Matrix4x4_Transform(m, f, v); VectorCopy(v, f);
+                       Matrix4x4_Transform(m, u, v); VectorCopy(v, u);
+                       AnglesFromVectors(c->viewangles, f, u, false);
+               }
+       }
+}
+
 /*
 ==============
 CL_SendMove