Fix #2177 "Bot code causes division by zero"

diff --git a/qcsrc/server/bot/default/aim.qc b/qcsrc/server/bot/default/aim.qc
index 7af3fab05eef57c376298e302347b6d2bf4ef9bf..1f570eaf54fb9f2053a0d2bec4ca9f13f8279672 100644 (file)
--- a/qcsrc/server/bot/default/aim.qc
+++ b/qcsrc/server/bot/default/aim.qc
@@ -170,14 +170,15 @@ void bot_lagfunc(entity this, float t, float f1, float f2, entity e1, vector v1,
                this.bot_canfire = 1;
 }
 
+// this function should be called after bot_aim so the aim is reset the next frame
 void bot_aim_reset(entity this)
 {
+       this.bot_mouseaim = this.v_angle;
+       this.bot_olddesiredang = this.v_angle;
        this.bot_aimdir_executed = true;
        this.bot_badaimtime = 0;
        this.bot_aimthinktime = time;
        this.bot_prevaimtime = time;
-       this.bot_mouseaim = this.v_angle;
-       this.bot_olddesiredang = this.v_angle;
        this.bot_1st_order_aimfilter = '0 0 0';
        this.bot_2nd_order_aimfilter = '0 0 0';
        this.bot_3th_order_aimfilter = '0 0 0';
@@ -198,6 +199,10 @@ void bot_aimdir(entity this, vector v, float maxfiredeviation)
        this.v_angle_y = this.v_angle.y - floor(this.v_angle.y / 360) * 360;
        this.v_angle_z = 0;
 
+       // make work bot_aim_reset even if called before this function
+       if (this.bot_prevaimtime == time)
+               return;
+
        // invalid aim dir (can happen when bot overlaps target)
        if(!v) return;