Speed up bot enemy choosing search loop

diff --git a/qcsrc/server/bot/default/havocbot/havocbot.qc b/qcsrc/server/bot/default/havocbot/havocbot.qc
index 5f1950774f55bd1805cba9f91c5d85870a5877d3..dd44bbb4e69e88c2d64cf38037cacbe93da9601a 100644 (file)
--- a/qcsrc/server/bot/default/havocbot/havocbot.qc
+++ b/qcsrc/server/bot/default/havocbot/havocbot.qc
@@ -864,9 +864,6 @@ entity havocbot_gettarget(entity this, bool secondary)
 
 void havocbot_chooseenemy(entity this)
 {
-       entity head, best, head2;
-       float rating, bestrating, hf;
-       vector eye, v;
        if (autocvar_bot_nofire || IS_INDEPENDENT_PLAYER(this))
        {
                this.enemy = NULL;
@@ -905,13 +902,12 @@ void havocbot_chooseenemy(entity this)
        if (time < this.havocbot_chooseenemy_finished)
                return;
        this.havocbot_chooseenemy_finished = time + autocvar_bot_ai_enemydetectioninterval;
-       eye = this.origin + this.view_ofs;
-       best = NULL;
-       bestrating = 100000000;
-       head = head2 = findchainfloat(bot_attack, true);
+       vector eye = this.origin + this.view_ofs;
+       entity best = NULL;
+       float bestrating = 100000000;
 
        // Backup hit flags
-       hf = this.dphitcontentsmask;
+       int hf = this.dphitcontentsmask;
 
        // Search for enemies, if no enemy can be seen directly try to look through transparent objects
 
@@ -924,42 +920,38 @@ void havocbot_chooseenemy(entity this)
        {
                scan_secondary_targets = false;
 LABEL(scan_targets)
-               for( ; head; head = head.chain)
+               IL_EACH(g_bot_targets, it.bot_attack,
                {
                        if(!scan_secondary_targets)
                        {
-                               if(head.classname == "misc_breakablemodel")
+                               if(it.classname == "misc_breakablemodel")
                                {
                                        have_secondary_targets = true;
                                        continue;
                                }
                        }
-                       else
-                       {
-                               if(head.classname != "misc_breakablemodel")
-                                       continue;
-                       }
+                       else if(it.classname != "misc_breakablemodel")
+                               continue;
 
-                       v = (head.absmin + head.absmax) * 0.5;
-                       rating = vlen(v - eye);
-                       if (rating<autocvar_bot_ai_enemydetectionradius)
+                       vector v = (it.absmin + it.absmax) * 0.5;
+                       float rating = vlen2(v - eye);
+                       if (vdist(v - eye, <, autocvar_bot_ai_enemydetectionradius))
                        if (bestrating > rating)
-                       if (bot_shouldattack(this, head))
+                       if (bot_shouldattack(this, it))
                        {
                                traceline(eye, v, true, this);
-                               if (trace_ent == head || trace_fraction >= 1)
+                               if (trace_ent == it || trace_fraction >= 1)
                                {
-                                       best = head;
+                                       best = it;
                                        bestrating = rating;
                                }
                        }
-               }
+               });
 
                if(!best && have_secondary_targets && !scan_secondary_targets)
                {
                        scan_secondary_targets = true;
                        // restart the loop
-                       head = head2;
                        bestrating = 100000000;
                        goto scan_targets;
                }
@@ -974,7 +966,6 @@ LABEL(scan_targets)
                // Set flags to see through transparent objects
                this.dphitcontentsmask |= DPCONTENTS_OPAQUE;
 
-               head = head2;
                scan_transparent = true;
        }