Unground smoothing. The roll slowly returns to normal when untouching the ground.

From: MirceaKitsune <sonichedgehog_hyperblast00@yahoo.com>

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@10282 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/client.h b/client.h
index 633335bb5f8df2099a63bd74c83d9374e8e561fb..4395eaafa1f1dd24ead0ac76849646f6d89677dd 100644 (file)
--- a/client.h
+++ b/client.h
@@ -978,6 +978,9 @@ typedef struct client_state_s
        double lastongroundtime;
        double hitgroundtime;
 
+       // used by bobroll
+       float bobroll_airtime;
+
        // don't change view angle, full screen, etc
        int intermission;
        // latched at intermission start

diff --git a/view.c b/view.c
index b5edbfb3ee741f75b58ff71e58ece6d8c550d1a3..2c330c616ab905f21194e52126f3fa77d3ab7ae2 100644 (file)
--- a/view.c
+++ b/view.c
@@ -42,6 +42,7 @@ cvar_t cl_bobup = {CVAR_SAVE, "cl_bobup","0.5", "view bobbing adjustment that ma
 cvar_t cl_bobroll = {CVAR_SAVE, "cl_bobroll","1", "view rolling amount"};
 cvar_t cl_bobrollcycle = {CVAR_SAVE, "cl_bobrollcycle","0.5", "view rolling speed"};
 cvar_t cl_bobrollup = {CVAR_SAVE, "cl_bobrollup","0.01", "view bobbing adjustment that makes the up or down swing of the roll last longer"};
+cvar_t cl_bobrollairtime = {CVAR_SAVE, "cl_bobrollairtime","0.05", "how fast the view rolls back when you stop touching the ground"};
 cvar_t cl_bobmodel = {CVAR_SAVE, "cl_bobmodel", "1", "enables gun bobbing"};
 cvar_t cl_bobmodel_side = {CVAR_SAVE, "cl_bobmodel_side", "0.15", "gun bobbing sideways sway amount"};
 cvar_t cl_bobmodel_up = {CVAR_SAVE, "cl_bobmodel_up", "0.06", "gun bobbing upward movement amount"};
@@ -667,10 +668,9 @@ void V_CalcRefdef (void)
 
                                        // view rolling code
                                        // TODO 1 (DONE): Make it work around the center rather than the left side
-                                       // TODO 2: Make the roll smoothly return to 0 when you stop touching the ground, rather than instantly
+                                       // TODO 2 (DONE): Make the roll smoothly return to 0 when you stop touching the ground, rather than instantly
                                        // TODO 3: Write cvars to darkplaces.txt, set better defaults and possibly disable by default once the first TODOs are ready
                                        if (cl_bobroll.value && cl_bobrollcycle.value)
-                                       if (cl.onground)
                                        {
                                                cycle2 = cl.time / cl_bobrollcycle.value;
                                                cycle2 -= (int) cycle2;
@@ -678,7 +678,18 @@ void V_CalcRefdef (void)
                                                        cycle2 = sin(M_PI * cycle2 / 0.5);
                                                else
                                                        cycle2 = sin(M_PI + M_PI * (cycle2-0.5)/0.5);
-                                               cycle2 *= cl_bobrollup.value;
+
+                                               if (cl.onground)
+                                                       cl.bobroll_airtime = 1;
+                                               else
+                                               {
+                                                       if(cl.bobroll_airtime > 0)
+                                                               cl.bobroll_airtime -= bound(0, cl_bobrollairtime.value, 1);
+                                                       else
+                                                               cl.bobroll_airtime = 0;
+                                               }
+
+                                               cycle2 *= cl_bobrollup.value * cl.bobroll_airtime;
                                                bobroll = xyspeed * cycle2;
                                                viewangles[2] = bound(-45, bobroll, 45);
                                        }
@@ -920,6 +931,7 @@ void V_Init (void)
        Cvar_RegisterVariable (&cl_bobroll);
        Cvar_RegisterVariable (&cl_bobrollcycle);
        Cvar_RegisterVariable (&cl_bobrollup);
+       Cvar_RegisterVariable (&cl_bobrollairtime);
        Cvar_RegisterVariable (&cl_bobmodel);
        Cvar_RegisterVariable (&cl_bobmodel_side);
        Cvar_RegisterVariable (&cl_bobmodel_up);