]> de.git.xonotic.org Git - xonotic/xonotic-data.pk3dir.git/blobdiff - qcsrc/server/bot/default/navigation.qc
Merge branch 'terencehill/bot_waypoints' into terencehill/bot_ai
[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / bot / default / navigation.qc
index fc993400e2845a2da9404964810e099afb63d6fb..3754897bda3fe5ff2554409d318933ad3e11e38a 100644 (file)
@@ -1,5 +1,7 @@
 #include "navigation.qh"
 
+#include <server/defs.qh>
+#include <server/miscfunctions.qh>
 #include "cvars.qh"
 
 #include "bot.qh"
 
 .float speed;
 
+void navigation_goalrating_timeout_set(entity this)
+{
+       if(IS_MOVABLE(this.goalentity))
+               this.bot_strategytime = time + autocvar_bot_ai_strategyinterval_movingtarget;
+       else
+               this.bot_strategytime = time + autocvar_bot_ai_strategyinterval;
+}
+
+// use this when current goal must be discarded immediately
+void navigation_goalrating_timeout_force(entity this)
+{
+       navigation_goalrating_timeout_expire(this, 0);
+}
+
+// use this when current goal can be kept for a short while to increase the chance
+// of bot touching a waypoint, which helps to find a new goal more efficiently
+void navigation_goalrating_timeout_expire(entity this, float seconds)
+{
+       if (seconds <= 0)
+               this.bot_strategytime = 0;
+       else if (this.bot_strategytime > time + seconds)
+               this.bot_strategytime = time + seconds;
+}
+
+bool navigation_goalrating_timeout(entity this)
+{
+       return this.bot_strategytime < time;
+}
+
+#define MAX_CHASE_DISTANCE 700
+bool navigation_goalrating_timeout_can_be_anticipated(entity this)
+{
+       if(time > this.bot_strategytime - (IS_MOVABLE(this.goalentity) ? 3 : 2))
+               return true;
+
+       if (this.goalentity.bot_pickup && time > this.bot_strategytime - 5)
+       {
+               vector gco = (this.goalentity.absmin + this.goalentity.absmax) * 0.5;
+               if(!havocbot_goalrating_item_pickable_check_players(this, this.origin, this.goalentity, gco))
+               {
+                       this.ignoregoal = this.goalentity;
+                       this.ignoregoaltime = time + autocvar_bot_ai_ignoregoal_timeout;
+                       return true;
+               }
+       }
+       return false;
+}
+
 void navigation_dynamicgoal_init(entity this, bool initially_static)
 {
        this.navigation_dynamicgoal = true;
@@ -28,6 +78,8 @@ void navigation_dynamicgoal_init(entity this, bool initially_static)
 void navigation_dynamicgoal_set(entity this)
 {
        this.nearestwaypointtimeout = time;
+       if (this.nearestwaypoint)
+               this.nearestwaypointtimeout += 2;
 }
 
 void navigation_dynamicgoal_unset(entity this)
@@ -37,6 +89,97 @@ void navigation_dynamicgoal_unset(entity this)
        this.nearestwaypointtimeout = -1;
 }
 
+// returns point of ent closer to org
+vector get_closer_dest(entity ent, vector org)
+{
+       vector dest = '0 0 0';
+       if ((ent.classname != "waypoint") || ent.wpisbox)
+       {
+               vector wm1 = ent.origin + ent.mins;
+               vector wm2 = ent.origin + ent.maxs;
+               dest.x = bound(wm1.x, org.x, wm2.x);
+               dest.y = bound(wm1.y, org.y, wm2.y);
+               dest.z = bound(wm1.z, org.z, wm2.z);
+       }
+       else
+               dest = ent.origin;
+       return dest;
+}
+
+void set_tracewalk_dest(entity ent, vector org, bool fix_player_dest)
+{
+       if ((ent.classname != "waypoint") || ent.wpisbox)
+       {
+               vector wm1 = ent.origin + ent.mins;
+               vector wm2 = ent.origin + ent.maxs;
+               if (IS_PLAYER(ent) || IS_MONSTER(ent))
+               {
+                       // move destination point out of player bbox otherwise tracebox always fails
+                       // (if bot_navigation_ignoreplayers is false)
+                       wm1 += vec2(PL_MIN_CONST) + '-1 -1 0';
+                       wm2 += vec2(PL_MAX_CONST) + '1 1 0';
+               }
+               // set destination point to x and y coords of ent that are closer to org
+               // z coord is set to ent's min height
+               tracewalk_dest.x = bound(wm1.x, org.x, wm2.x);
+               tracewalk_dest.y = bound(wm1.y, org.y, wm2.y);
+               tracewalk_dest.z = wm1.z;
+               tracewalk_dest_height = wm2.z - wm1.z; // destination height
+       }
+       else
+       {
+               tracewalk_dest = ent.origin;
+               tracewalk_dest_height = 0;
+       }
+       if (fix_player_dest && IS_PLAYER(ent) && !IS_ONGROUND(ent))
+       {
+               // snap player to the ground
+               if (org.x == tracewalk_dest.x && org.y == tracewalk_dest.y)
+               {
+                       // bot is right under the player
+                       tracebox(ent.origin, ent.mins, ent.maxs, ent.origin - '0 0 700', MOVE_NORMAL, ent);
+                       tracewalk_dest = trace_endpos;
+                       tracewalk_dest_height = 0;
+               }
+               else
+               {
+                       tracebox(tracewalk_dest, ent.mins, ent.maxs, tracewalk_dest - '0 0 700', MOVE_NORMAL, ent);
+                       if (!trace_startsolid && tracewalk_dest.z - trace_endpos.z > 0)
+                       {
+                               tracewalk_dest_height = tracewalk_dest.z - trace_endpos.z;
+                               tracewalk_dest.z = trace_endpos.z;
+                       }
+               }
+       }
+}
+
+// returns point of ent closer to org
+vector set_tracewalk_dest_2(entity ent, vector org)
+{
+       vector closer_dest = '0 0 0';
+       if ((ent.classname != "waypoint") || ent.wpisbox)
+       {
+               vector wm1 = ent.origin + ent.mins;
+               vector wm2 = ent.origin + ent.maxs;
+               closer_dest.x = bound(wm1.x, org.x, wm2.x);
+               closer_dest.y = bound(wm1.y, org.y, wm2.y);
+               closer_dest.z = bound(wm1.z, org.z, wm2.z);
+               // set destination point to x and y coords of ent that are closer to org
+               // z coord is set to ent's min height
+               tracewalk_dest.x = closer_dest.x;
+               tracewalk_dest.y = closer_dest.y;
+               tracewalk_dest.z = wm1.z;
+               tracewalk_dest_height = wm2.z - wm1.z; // destination height
+       }
+       else
+       {
+               closer_dest = ent.origin;
+               tracewalk_dest = closer_dest;
+               tracewalk_dest_height = 0;
+       }
+       return closer_dest;
+}
+
 bool navigation_check_submerged_state(entity ent, vector pos)
 {
        bool submerged;
@@ -181,7 +324,15 @@ bool tracewalk(entity e, vector start, vector m1, vector m2, vector end, float e
                        {
                                tracebox(org, m1, m2, org - jumpheight_vec, movemode, e);
                                if (SUBMERGED(trace_endpos))
-                                       RESURFACE_LIMITED(trace_endpos, end.z);
+                               {
+                                       vector v = trace_endpos;
+                                       tracebox(v, m1, m2, end, movemode, e);
+                                       if(trace_endpos.z >= end.z - 1)
+                                       {
+                                               RESURFACE_LIMITED(v, trace_endpos.z);
+                                               trace_endpos = v;
+                                       }
+                               }
                                else if (trace_endpos.z > org.z - jumpheight_vec.z)
                                        tracebox(trace_endpos, m1, m2, trace_endpos + jumpheight_vec, movemode, e);
                                org = trace_endpos;
@@ -301,7 +452,7 @@ bool tracewalk(entity e, vector start, vector m1, vector m2, vector end, float e
                        {
                                tracebox(org, m1, m2, move, movemode, e); // swim
 
-                               bool stepswimmed = false;
+                               bool stepswum = false;
 
                                // hit something
                                if (trace_fraction < 1)
@@ -356,14 +507,14 @@ bool tracewalk(entity e, vector start, vector m1, vector m2, vector end, float e
                                                continue;
                                        }
 
-                                       stepswimmed = true;
+                                       stepswum = true;
                                }
 
                                if (!WETFEET(trace_endpos))
                                {
                                        tracebox(trace_endpos, m1, m2, trace_endpos - eZ * (stepdist + (m2.z - m1.z)), movemode, e);
-                                       // if stepswimmed we'll land on the obstacle, avoid the SUBMERGED check
-                                       if (!stepswimmed && SUBMERGED(trace_endpos))
+                                       // if stepswum we'll land on the obstacle, avoid the SUBMERGED check
+                                       if (!stepswum && SUBMERGED(trace_endpos))
                                        {
                                                RESURFACE_LIMITED(trace_endpos, end2.z);
                                                org = trace_endpos;
@@ -576,9 +727,10 @@ bool tracewalk(entity e, vector start, vector m1, vector m2, vector end, float e
 void navigation_clearroute(entity this)
 {
        this.goalcurrent_prev = this.goalcurrent;
-       this.goalcurrent_distance = 10000000;
+       this.goalcurrent_distance_2d = FLOAT_MAX;
+       this.goalcurrent_distance_z = FLOAT_MAX;
        this.goalcurrent_distance_time = 0;
-       //print("bot ", etos(this), " clear\n");
+       this.goalentity_lock_timeout = 0;
        this.goalentity = NULL;
        this.goalcurrent = NULL;
        this.goalstack01 = NULL;
@@ -623,7 +775,8 @@ void navigation_clearroute(entity this)
 void navigation_pushroute(entity this, entity e)
 {
        this.goalcurrent_prev = this.goalcurrent;
-       this.goalcurrent_distance = 10000000;
+       this.goalcurrent_distance_2d = FLOAT_MAX;
+       this.goalcurrent_distance_z = FLOAT_MAX;
        this.goalcurrent_distance_time = 0;
        //print("bot ", etos(this), " push ", etos(e), "\n");
        if(this.goalstack31 == this.goalentity)
@@ -668,11 +821,15 @@ void navigation_pushroute(entity this, entity e)
 void navigation_poproute(entity this)
 {
        this.goalcurrent_prev = this.goalcurrent;
-       this.goalcurrent_distance = 10000000;
+       this.goalcurrent_distance_2d = FLOAT_MAX;
+       this.goalcurrent_distance_z = FLOAT_MAX;
        this.goalcurrent_distance_time = 0;
        //print("bot ", etos(this), " pop\n");
        if(this.goalcurrent == this.goalentity)
+       {
                this.goalentity = NULL;
+               this.goalentity_lock_timeout = 0;
+       }
        this.goalcurrent = this.goalstack01;
        this.goalstack01 = this.goalstack02;
        this.goalstack02 = this.goalstack03;
@@ -710,7 +867,7 @@ void navigation_poproute(entity this)
 // walking to wp (walkfromwp == false) v2 and v2_height will be used as
 // waypoint destination coordinates instead of v (only useful for box waypoints)
 // for normal waypoints v2 == v and v2_height == 0
-float navigation_waypoint_will_link(vector v, vector org, entity ent, vector v2, float v2_height, float walkfromwp, float bestdist)
+float navigation_waypoint_will_link(vector v, vector org, entity ent, vector v2, float v2_height, vector o2, float o2_height, float walkfromwp, float bestdist)
 {
        if (vdist(v - org, <, bestdist))
        {
@@ -719,12 +876,12 @@ float navigation_waypoint_will_link(vector v, vector org, entity ent, vector v2,
                {
                        if (walkfromwp)
                        {
-                               if (tracewalk(ent, v, PL_MIN_CONST, PL_MAX_CONST, org, 0, bot_navigation_movemode))
+                               if (tracewalk(ent, v, PL_MIN_CONST, PL_MAX_CONST, v2, v2_height, bot_navigation_movemode))
                                        return true;
                        }
                        else
                        {
-                               if (tracewalk(ent, org, PL_MIN_CONST, PL_MAX_CONST, v2, v2_height, bot_navigation_movemode))
+                               if (tracewalk(ent, org, PL_MIN_CONST, PL_MAX_CONST, o2, o2_height, bot_navigation_movemode))
                                        return true;
                        }
                }
@@ -735,6 +892,9 @@ float navigation_waypoint_will_link(vector v, vector org, entity ent, vector v2,
 // find the spawnfunc_waypoint near a dynamic goal such as a dropped weapon
 entity navigation_findnearestwaypoint_withdist_except(entity ent, float walkfromwp, float bestdist, entity except)
 {
+       if(ent.tag_entity)
+               ent = ent.tag_entity;
+
        vector pm1 = ent.origin + ent.mins;
        vector pm2 = ent.origin + ent.maxs;
 
@@ -742,22 +902,30 @@ entity navigation_findnearestwaypoint_withdist_except(entity ent, float walkfrom
        IL_EACH(g_waypoints, it != ent && it != except,
        {
                if(boxesoverlap(pm1, pm2, it.absmin, it.absmax))
+               {
+                       if(!autocvar_g_waypointeditor && walkfromwp && !ent.navigation_dynamicgoal)
+                       {
+                               waypoint_clearlinks(ent); // initialize wpXXmincost fields
+                               navigation_item_addlink(it, ent);
+                       }
                        return it;
+               }
        });
 
-       vector org = ent.origin + 0.5 * (ent.mins + ent.maxs);
-       org.z = ent.origin.z + ent.mins.z - PL_MIN_CONST.z; // player height
-       // TODO possibly make other code have the same support for bboxes
-       if(ent.tag_entity)
-               org = org + ent.tag_entity.origin;
+       vector org = ent.origin;
        if (navigation_testtracewalk)
                te_plasmaburn(org);
 
        entity best = NULL;
-       vector v, v2;
-       float v2_height;
+       vector v = '0 0 0';
 
-       if(!autocvar_g_waypointeditor && !ent.navigation_dynamicgoal)
+       if(ent.size && !IS_PLAYER(ent))
+       {
+               org += 0.5 * (ent.mins + ent.maxs);
+               org.z = ent.origin.z + ent.mins.z - PL_MIN_CONST.z; // player height
+       }
+
+       if(!autocvar_g_waypointeditor && walkfromwp && !ent.navigation_dynamicgoal)
        {
                waypoint_clearlinks(ent); // initialize wpXXmincost fields
                IL_EACH(g_waypoints, it != ent,
@@ -765,9 +933,13 @@ entity navigation_findnearestwaypoint_withdist_except(entity ent, float walkfrom
                        if(walkfromwp && (it.wpflags & WAYPOINTFLAG_NORELINK))
                                continue;
 
-                       SET_TRACEWALK_DESTCOORDS_2(it, org, v, v2, v2_height);
-                       if(navigation_waypoint_will_link(v, org, ent, v2, v2_height, walkfromwp, 1050))
+                       set_tracewalk_dest(ent, it.origin, false);
+                       if (vdist(tracewalk_dest - it.origin, <, 1050)
+                               && tracewalk(ent, it.origin, PL_MIN_CONST, PL_MAX_CONST,
+                               tracewalk_dest, tracewalk_dest_height, bot_navigation_movemode))
+                       {
                                navigation_item_addlink(it, ent);
+                       }
                });
        }
 
@@ -776,13 +948,46 @@ entity navigation_findnearestwaypoint_withdist_except(entity ent, float walkfrom
        {
                if(walkfromwp && (it.wpflags & WAYPOINTFLAG_NORELINK))
                        continue;
-               SET_TRACEWALK_DESTCOORDS_2(it, org, v, v2, v2_height);
-               if(navigation_waypoint_will_link(v, org, ent, v2, v2_height, walkfromwp, bestdist))
+               v = it.origin;
+
+               if (walkfromwp)
+               {
+                       set_tracewalk_dest(ent, v, true);
+                       if (trace_ent == ent)
+                       {
+                               bestdist = 0;
+                               best = it;
+                               break;
+                       }
+               }
+               else
+                       set_tracewalk_dest(it, org, false);
+
+               if (navigation_waypoint_will_link(v, org, ent,
+                       tracewalk_dest, tracewalk_dest_height,
+                       tracewalk_dest, tracewalk_dest_height, walkfromwp, bestdist))
                {
-                       bestdist = vlen(v - org);
+                       if (walkfromwp)
+                               bestdist = vlen(tracewalk_dest - v);
+                       else
+                               bestdist = vlen(v - org);
                        best = it;
                }
        });
+       if(!best && !ent.navigation_dynamicgoal)
+       {
+               int solid_save = ent.solid;
+               ent.solid = SOLID_BSP;
+               IL_EACH(g_jumppads, true,
+               {
+                       if(trigger_push_test(it, ent))
+                       {
+                               best = it.nearestwaypoint;
+                               break;
+                       }
+               });
+               ent.solid = solid_save;
+       }
        return best;
 }
 entity navigation_findnearestwaypoint(entity ent, float walkfromwp)
@@ -800,23 +1005,22 @@ entity navigation_findnearestwaypoint(entity ent, float walkfromwp)
 // finds the waypoints near the bot initiating a navigation query
 float navigation_markroutes_nearestwaypoints(entity this, float maxdist)
 {
-       vector v;
        //navigation_testtracewalk = true;
        int c = 0;
-       float v_height;
        IL_EACH(g_waypoints, !it.wpconsidered,
        {
-               SET_TRACEWALK_DESTCOORDS(it, this.origin, v, v_height);
+               set_tracewalk_dest(it, this.origin, false);
 
-               vector diff = v - this.origin;
+               vector diff = tracewalk_dest - this.origin;
                diff.z = max(0, diff.z);
                if(vdist(diff, <, maxdist))
                {
                        it.wpconsidered = true;
-                       if (tracewalk(this, this.origin, this.mins, this.maxs, v, v_height, bot_navigation_movemode))
+                       if (tracewalk(this, this.origin, this.mins, this.maxs,
+                               tracewalk_dest, tracewalk_dest_height, bot_navigation_movemode))
                        {
-                               it.wpnearestpoint = v;
-                               it.wpcost = waypoint_gettravelcost(this.origin, v, this, it) + it.dmg;
+                               it.wpnearestpoint = tracewalk_dest;
+                               it.wpcost = waypoint_gettravelcost(this.origin, tracewalk_dest, this, it) + it.dmg;
                                it.wpfire = 1;
                                it.enemy = NULL;
                                c = c + 1;
@@ -1157,29 +1361,11 @@ void navigation_routerating(entity this, entity e, float f, float rangebias)
                if ((!e.nearestwaypoint || e.navigation_dynamicgoal)
                        && e.nearestwaypointtimeout >= 0 && time > e.nearestwaypointtimeout)
                {
-                       nwp = navigation_findnearestwaypoint(e, true);
-                       if(nwp)
-                       {
-                               e.nearestwaypoint = nwp;
-
-                               vector m1 = nwp.absmin, m2 = nwp.absmax;
-                               m1.x = nwp.origin.x; m1.y = nwp.origin.y;
-                               m2.x = nwp.origin.x; m2.y = nwp.origin.y;
-                               vector ve = (e.absmin - e.absmax) * 0.5;
-                               ve.x = bound(m1.x, ve.x, m2.x);
-                               ve.y = bound(m1.y, ve.y, m2.y);
-                               ve.z = bound(m1.z, ve.z, m2.z);
-
-                               m1 = e.absmin; m2 = e.absmax;
-                               m1.x = e.origin.x; m1.y = e.origin.y;
-                               m2.x = e.origin.x; m2.y = e.origin.y;
-                               vector vnwp = nwp.origin;
-                               vnwp.x = bound(m1.x, vnwp.x, m2.x);
-                               vnwp.y = bound(m1.y, vnwp.y, m2.y);
-                               vnwp.z = bound(m1.z, vnwp.z, m2.z);
-                               e.nearestwaypoint_dist = vlen(ve - vnwp);
-                       }
+                       if(IS_BOT_CLIENT(e) && e.goalcurrent && e.goalcurrent.classname == "waypoint")
+                               e.nearestwaypoint = nwp = e.goalcurrent;
                        else
+                               e.nearestwaypoint = nwp = navigation_findnearestwaypoint(e, true);
+                       if(!nwp)
                        {
                                LOG_DEBUG("FAILED to find a nearest waypoint to '", e.classname, "' #", etos(e));
 
@@ -1202,11 +1388,15 @@ void navigation_routerating(entity this, entity e, float f, float rangebias)
        }
 
        LOG_DEBUG("-- checking ", e.classname, " (with cost ", ftos(nwp.wpcost), ")");
-       if (nwp)
-       if (nwp.wpcost < 10000000)
+       if (nwp && nwp.wpcost < 10000000)
        {
                //te_wizspike(nwp.wpnearestpoint);
-               float cost = nwp.wpcost + waypoint_gettravelcost(nwp.wpnearestpoint, goal_org, nwp, e);
+               float nwptoitem_cost = 0;
+               if(nwp.wpflags & WAYPOINTFLAG_TELEPORT)
+                       nwptoitem_cost = nwp.wp00mincost;
+               else
+                       nwptoitem_cost = waypoint_gettravelcost(nwp.wpnearestpoint, goal_org, nwp, e);
+               float cost = nwp.wpcost + nwptoitem_cost;
                LOG_DEBUG(e.classname, " ", ftos(f), "/(1+", ftos(cost), "/", ftos(rangebias), ") = ");
                f = f * rangebias / (rangebias + cost);
                LOG_DEBUG("considering ", e.classname, " (with rating ", ftos(f), ")");
@@ -1226,19 +1416,25 @@ bool navigation_routetogoal(entity this, entity e, vector startposition)
        if (!e)
                return false;
 
+       entity teleport_goal = NULL;
+
+       this.goalentity = e;
+
        if(e.wpflags & WAYPOINTFLAG_TELEPORT)
        {
                // force teleport destination as route destination
-               e.wp00.enemy = e;
-               e = e.wp00;
+               teleport_goal = e;
+               navigation_pushroute(this, e.wp00);
+               this.goalentity = e.wp00;
        }
 
-       this.goalentity = e;
-
        // put the entity on the goal stack
        //print("routetogoal ", etos(e), "\n");
        navigation_pushroute(this, e);
 
+       if(teleport_goal)
+               e = this.goalentity;
+
        if(e.classname == "waypoint" && !(e.wpflags & WAYPOINTFLAG_PERSONAL))
        {
                this.wp_goal_prev1 = this.wp_goal_prev0;
@@ -1250,11 +1446,13 @@ bool navigation_routetogoal(entity this, entity e, vector startposition)
                return true;
 
        // if it can reach the goal there is nothing more to do
-       vector dest = (e.absmin + e.absmax) * 0.5;
-       dest.z = e.absmin.z;
-       float dest_height = e.absmax.z - e.absmin.z;
-       if (tracewalk(this, startposition, STAT(PL_MIN, this), STAT(PL_MAX, this), dest, dest_height, bot_navigation_movemode))
+       set_tracewalk_dest(e, startposition, true);
+       if ((!IS_MOVABLE(this.goalcurrent) || vdist(tracewalk_dest - this.origin, <, MAX_CHASE_DISTANCE))
+               && (trace_ent == this || tracewalk(this, startposition, STAT(PL_MIN, this), STAT(PL_MAX, this),
+               tracewalk_dest, tracewalk_dest_height, bot_navigation_movemode)))
+       {
                return true;
+       }
 
        entity nearest_wp = NULL;
        // see if there are waypoints describing a path to the item
@@ -1263,6 +1461,8 @@ bool navigation_routetogoal(entity this, entity e, vector startposition)
                e = e.nearestwaypoint;
                nearest_wp = e;
        }
+       else if(teleport_goal)
+               e = teleport_goal;
        else
                e = e.enemy; // we already have added it, so...
 
@@ -1272,21 +1472,27 @@ bool navigation_routetogoal(entity this, entity e, vector startposition)
        if(nearest_wp && nearest_wp.enemy)
        {
                // often path can be optimized by not adding the nearest waypoint
-               if (this.goalentity.nearestwaypoint_dist < 8)
-                       e = nearest_wp.enemy;
-               else
+               if (this.goalentity.navigation_dynamicgoal || autocvar_g_waypointeditor)
                {
-                       if (this.goalentity.navigation_dynamicgoal)
+                       if (nearest_wp.enemy.wpcost < autocvar_bot_ai_strategyinterval_movingtarget)
                        {
-                               vector dest = (this.goalentity.absmin + this.goalentity.absmax) * 0.5;
-                               dest.z = this.goalentity.absmin.z;
-                               float dest_height = this.goalentity.absmax.z - this.goalentity.absmin.z;
-                               if(tracewalk(this, nearest_wp.enemy.origin, STAT(PL_MIN, this), STAT(PL_MAX, this), dest, dest_height, bot_navigation_movemode))
+                               if (vdist(vec2(this.goalentity.origin - nearest_wp.origin), <, 32))
                                        e = nearest_wp.enemy;
+                               else
+                               {
+                                       set_tracewalk_dest(this.goalentity, nearest_wp.enemy.origin, true);
+                                       if (trace_ent == this || (vdist(tracewalk_dest - nearest_wp.enemy.origin, <, 1050)
+                                               && vlen2(tracewalk_dest - nearest_wp.enemy.origin) < vlen2(nearest_wp.origin - nearest_wp.enemy.origin)
+                                               && tracewalk(this, nearest_wp.enemy.origin, STAT(PL_MIN, this), STAT(PL_MAX, this),
+                                               tracewalk_dest, tracewalk_dest_height, bot_navigation_movemode)))
+                                       {
+                                               e = nearest_wp.enemy;
+                                       }
+                               }
                        }
-                       else if(navigation_item_islinked(nearest_wp.enemy, this.goalentity))
-                               e = nearest_wp.enemy;
                }
+               else if(navigation_item_islinked(nearest_wp.enemy, this.goalentity))
+                       e = nearest_wp.enemy;
        }
 
        for (;;)
@@ -1302,10 +1508,86 @@ bool navigation_routetogoal(entity this, entity e, vector startposition)
        return false;
 }
 
+// shorten path by removing intermediate goals
+void navigation_shortenpath(entity this)
+{
+       if (!this.goalstack01 || wasfreed(this.goalstack01))
+               return;
+       if (this.bot_tracewalk_time > time)
+               return;
+       this.bot_tracewalk_time = max(time, this.bot_tracewalk_time) + 0.25;
+
+       bool cut_allowed = false;
+       entity next = this.goalentity;
+       // evaluate whether bot can discard current route and chase directly a player, trying to
+       // keep waypoint route as long as possible, as it is safer and faster (bot can bunnyhop)
+       if (IS_MOVABLE(next))
+       {
+               set_tracewalk_dest(next, this.origin, true);
+               if (vdist(this.origin - tracewalk_dest, <, 200))
+                       cut_allowed = true;
+               else if (vdist(tracewalk_dest - this.origin, <, MAX_CHASE_DISTANCE)
+                       && vdist(tracewalk_dest - this.goalcurrent.origin, >, 200)
+                       && vdist(this.origin - this.goalcurrent.origin, >, 100)
+                       && checkpvs(this.origin + this.view_ofs, next))
+               {
+                       if (vlen2(next.origin - this.origin) < vlen2(this.goalcurrent.origin - this.origin))
+                               cut_allowed = true;
+                       else
+                       {
+                               vector deviation = vectoangles(this.goalcurrent.origin - this.origin) - vectoangles(next.origin - this.origin);
+                               while (deviation.y < -180) deviation.y += 360;
+                               while (deviation.y > 180) deviation.y -= 360;
+                               if (fabs(deviation.y) > 25)
+                                       cut_allowed = true;
+                       }
+               }
+               if (cut_allowed)
+               {
+                       if (trace_ent == this || tracewalk(this, this.origin, this.mins, this.maxs,
+                               tracewalk_dest, tracewalk_dest_height, bot_navigation_movemode))
+                       {
+                               LOG_DEBUG("path optimized for ", this.netname, ", route cleared");
+                               do
+                               {
+                                       navigation_poproute(this);
+                               }
+                               while (this.goalcurrent != next);
+                       }
+                       return;
+               }
+       }
+
+       next = this.goalstack01;
+       // if for some reason the bot is closer to the next goal, pop the current one
+       if (!IS_MOVABLE(next) // already checked in the previous case
+               && vlen2(this.goalcurrent.origin - next.origin) > vlen2(next.origin - this.origin)
+               && checkpvs(this.origin + this.view_ofs, next))
+       {
+               set_tracewalk_dest(next, this.origin, true);
+               cut_allowed = true;
+       }
+
+       if (cut_allowed)
+       {
+               if (trace_ent == this || tracewalk(this, this.origin, this.mins, this.maxs,
+                       tracewalk_dest, tracewalk_dest_height, bot_navigation_movemode))
+               {
+                       LOG_DEBUG("path optimized for ", this.netname, ", removed a goal from the queue"); 
+                       navigation_poproute(this);
+               }
+       }
+}
+
 // removes any currently touching waypoints from the goal stack
 // (this is how bots detect if they reached a goal)
-void navigation_poptouchedgoals(entity this)
+int navigation_poptouchedgoals(entity this)
 {
+       int removed_goals = 0;
+
+       if(!this.goalcurrent)
+               return removed_goals;
+
        if(this.goalcurrent.wpflags & WAYPOINTFLAG_TELEPORT)
        {
                // make sure jumppad is really hit, don't rely on distance based checks
@@ -1313,6 +1595,12 @@ void navigation_poptouchedgoals(entity this)
                if(this.lastteleporttime > 0
                        && time - this.lastteleporttime < ((this.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL) ? 2 : 0.15))
                {
+                       if (this.jumppadcount && !boxesoverlap(this.goalcurrent.absmin, this.goalcurrent.absmax,
+                               this.lastteleport_origin + STAT(PL_MIN, this), this.lastteleport_origin + STAT(PL_MAX, this)))
+                       {
+                               return;
+                       }
+
                        if(this.aistatus & AI_STATUS_WAYPOINT_PERSONAL_GOING)
                        if(this.goalcurrent.wpflags & WAYPOINTFLAG_PERSONAL && this.goalcurrent.owner==this)
                        {
@@ -1320,30 +1608,11 @@ void navigation_poptouchedgoals(entity this)
                                this.aistatus |= AI_STATUS_WAYPOINT_PERSONAL_REACHED;
                        }
                        navigation_poproute(this);
+                       this.lastteleporttime = 0;
+                       ++removed_goals;
                }
                else
-                       return;
-       }
-
-       // If for some reason the bot is closer to the next goal, pop the current one
-       if(this.goalstack01 && !wasfreed(this.goalstack01))
-       if(vlen2(this.goalcurrent.origin - this.origin) > vlen2(this.goalstack01.origin - this.origin))
-       if(checkpvs(this.origin + this.view_ofs, this.goalstack01))
-       {
-               vector dest = (this.goalstack01.absmin + this.goalstack01.absmax) * 0.5;
-               dest.z = this.goalstack01.absmin.z;
-               float dest_height = this.goalstack01.absmax.z - this.goalstack01.absmin.z;
-               if(tracewalk(this, this.origin, this.mins, this.maxs, dest, dest_height, bot_navigation_movemode))
-               {
-                       LOG_DEBUG("path optimized for ", this.netname, ", removed a goal from the queue");
-                       navigation_poproute(this);
-                       // TODO this may also be a nice idea to do "early" (e.g. by
-                       // manipulating the vlen() comparisons) to shorten paths in
-                       // general - this would make bots walk more "on rails" than
-                       // "zigzagging" which they currently do with sufficiently
-                       // random-like waypoints, and thus can make a nice bot
-                       // personality property
-               }
+                       return removed_goals;
        }
 
        // Loose goal touching check when running
@@ -1365,6 +1634,9 @@ void navigation_poptouchedgoals(entity this)
                                }
 
                                navigation_poproute(this);
+                               ++removed_goals;
+                               if(this.goalcurrent && this.goalcurrent.wpflags & WAYPOINTFLAG_TELEPORT)
+                                       return removed_goals;
                        }
                }
        }
@@ -1390,7 +1662,56 @@ void navigation_poptouchedgoals(entity this)
                }
 
                navigation_poproute(this);
+               ++removed_goals;
+               if(this.goalcurrent && this.goalcurrent.wpflags & WAYPOINTFLAG_TELEPORT)
+                       return removed_goals;
+       }
+       return removed_goals;
+}
+
+entity navigation_get_really_close_waypoint(entity this)
+{
+       entity wp = this.goalcurrent;
+       if(!wp)
+               wp = this.goalcurrent_prev;
+       if(!wp)
+               return NULL;
+       if(wp != this.goalcurrent_prev && vdist(wp.origin - this.origin, >, 50))
+       {
+               wp = this.goalcurrent_prev;
+               if(!wp)
+                       return NULL;
+       }
+       if(wp.classname != "waypoint")
+       {
+               wp = wp.nearestwaypoint;
+               if(!wp)
+                       return NULL;
        }
+       if(vdist(wp.origin - this.origin, >, 50))
+       {
+               wp = NULL;
+               IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
+               {
+                       if(vdist(it.origin - this.origin, <, 50))
+                       {
+                               wp = it;
+                               break;
+                       }
+               });
+               if(!wp)
+                       return NULL;
+       }
+       if(wp.wpflags & WAYPOINTFLAG_TELEPORT)
+               return NULL;
+
+       set_tracewalk_dest(wp, this.origin, false);
+       if (!tracewalk(this, this.origin, STAT(PL_MIN, this), STAT(PL_MAX, this),
+               tracewalk_dest, tracewalk_dest_height, bot_navigation_movemode))
+       {
+               return NULL;
+       }
+       return wp;
 }
 
 // begin a goal selection session (queries spawnfunc_waypoint network)
@@ -1401,9 +1722,10 @@ void navigation_goalrating_start(entity this)
 
        this.navigation_jetpack_goal = NULL;
        navigation_bestrating = -1;
+       entity wp = navigation_get_really_close_waypoint(this);
        navigation_clearroute(this);
        navigation_bestgoal = NULL;
-       navigation_markroutes(this, NULL);
+       navigation_markroutes(this, wp);
 }
 
 // ends a goal selection session (updates goal stack to the best goal)
@@ -1483,10 +1805,9 @@ void navigation_unstuck(entity this)
                // evaluate the next goal on the queue
                float d = vlen2(this.origin - bot_waypoint_queue_goal.origin);
                LOG_DEBUG(this.netname, " evaluating ", bot_waypoint_queue_goal.classname, " with distance ", ftos(d));
-               vector dest = (bot_waypoint_queue_goal.absmin + bot_waypoint_queue_goal.absmax) * 0.5;
-               dest.z = bot_waypoint_queue_goal.absmin.z;
-               float dest_height = bot_waypoint_queue_goal.absmax.z - bot_waypoint_queue_goal.absmin.z;
-               if(tracewalk(bot_waypoint_queue_goal, this.origin, STAT(PL_MIN, this), STAT(PL_MAX, this), dest, dest_height, bot_navigation_movemode))
+               set_tracewalk_dest(bot_waypoint_queue_goal, this.origin, false);
+               if (tracewalk(bot_waypoint_queue_goal, this.origin, STAT(PL_MIN, this), STAT(PL_MAX, this),
+                       tracewalk_dest, tracewalk_dest_height, bot_navigation_movemode))
                {
                        if( d > bot_waypoint_queue_bestgoalrating)
                        {
@@ -1502,7 +1823,7 @@ void navigation_unstuck(entity this)
                        {
                                LOG_DEBUG(this.netname, " stuck, reachable waypoint found, heading to it");
                                navigation_routetogoal(this, bot_waypoint_queue_bestgoal, this.origin);
-                               this.bot_strategytime = time + autocvar_bot_ai_strategyinterval;
+                               navigation_goalrating_timeout_set(this);
                                this.aistatus &= ~AI_STATUS_STUCK;
                        }
                        else