combat: use scale for selecting new enemy

linkage: display hw renderer as game flags
linkage: display running engine (hl25) as game flags

ext/crlib

@@ -1 +1 @@
-Subproject commit 7179ca3e4f1bc72620d9ef76a9cf67e59ce76120
+Subproject commit 5767ac6bd530cebd257747835361456f4a40d567

inc/engine.h

@@ -45,7 +45,10 @@ CR_DECLARE_SCOPED_ENUM (GameFlags,
    FreeForAll = cr::bit (8), // csdm mod with ffa mode
    ReGameDLL = cr::bit (9), // server dll is a regamedll
    HasFakePings = cr::bit (10), // on that game version we can fake bots pings
-   HasBotVoice = cr::bit (11) // on that game version we can use chatter
+   HasBotVoice = cr::bit (11), // on that game version we can use chatter
+   SwRenderer = cr::bit (12), // game runs with software renderer
+   HwRenderer = cr::bit (13), // games runs with hardware renderer
+   AnniversaryHL25 = cr::bit (14) // half-life 25th anniversary engine
 )
 
 // defines map type

src/combat.cpp

@@ -284,7 +284,7 @@ bool Bot::lookupEnemies () {
             }
 
             // check the engine PVS
-            if (!frustum.check (m_viewFrustum, interesting) || !game.checkVisibility (interesting, set)) {
+            if (!game.checkVisibility (interesting, set)) {
                continue;
             }
 
@@ -310,7 +310,7 @@ bool Bot::lookupEnemies () {
          player = client.ent;
 
          // check the engine PVS
-         if (!frustum.check (m_viewFrustum, player) || !game.checkVisibility (player, set)) {
+         if (!game.checkVisibility (player, set)) {
             continue;
          }
 
@@ -322,7 +322,7 @@ bool Bot::lookupEnemies () {
             }
             const float distanceSq = player->v.origin.distanceSq (pev->origin);
 
-            if (distanceSq < nearestDistanceSq) {
+            if (distanceSq * 0.7f < nearestDistanceSq) {
                nearestDistanceSq = distanceSq;
                newEnemy = player;
 
@@ -333,7 +333,7 @@ bool Bot::lookupEnemies () {
             }
          }
       }
-      m_enemyUpdateTime = game.time () + (usesKnife () ? 1.0f : 0.75f);
+      m_enemyUpdateTime = game.time () + (usesKnife () ? 1.0f : 0.5f);
       
       if (game.isNullEntity (newEnemy) && !game.isNullEntity (shieldEnemy)) {
          newEnemy = shieldEnemy;

src/engine.cpp

@@ -333,7 +333,7 @@ void Game::registerEngineCommand (const char *command, void func ()) {
    // pointed to by "function" in order to handle it.
 
    // check for hl pre 1.1.0.4, as it's doesn't have pfnAddServerCommand
-   if (!plat.checkPointer (engfuncs.pfnAddServerCommand)) {
+   if (!plat.isValidPtr (engfuncs.pfnAddServerCommand)) {
       logger.fatal ("%s's minimum HL engine version is 1.1.0.4 and minimum Counter-Strike is Beta 6.5. Please update your engine / game version.", product.name);
    }
    engfuncs.pfnAddServerCommand (const_cast <char *> (command), func);
@@ -848,6 +848,19 @@ bool Game::postload () {
       });
    }
 
+   // setup flags
+   if (game.isSoftwareRenderer ()) {
+      m_gameFlags |= GameFlags::SwRenderer;
+   }
+   else {
+      m_gameFlags |= GameFlags::SwRenderer;
+   }
+
+   // is 25th anniversary
+   if (game.is25thAnniversaryUpdate ()) {
+      m_gameFlags |= GameFlags::AnniversaryHL25;
+   }
+
    // initialize weapons
    conf.initWeapons ();
 
@@ -1048,6 +1061,18 @@ void Game::printBotVersion () {
       botRuntimeFlags.push ("Metamod");
    }
 
+   if (is (GameFlags::AnniversaryHL25)) {
+      botRuntimeFlags.push ("HL25");
+   }
+
+   if (is (GameFlags::SwRenderer)) {
+      botRuntimeFlags.push ("SWR");
+   }
+
+   if (is (GameFlags::HwRenderer)) {
+      botRuntimeFlags.push ("HWR");
+   }
+
    // print if we're using sse 4.x instructions
    if (cpuflags.sse41 || cpuflags.sse42 || cpuflags.neon) {
       Array <String> simdLevels {};
@@ -1232,8 +1257,8 @@ float LightMeasure::getLightLevel (const Vector &point) {
 
    // it's depends if we're are on dedicated or on listenserver
    auto recursiveCheck = [&] () -> bool {
-      if (!game.isSoftwareRenderer ()) {
+      if (!game.is (GameFlags::SwRenderer)) {
-         if (game.is25thAnniversaryUpdate ()) {
+         if (game.is (GameFlags::AnniversaryHL25)) {
             return recursiveLightPoint <msurface_hw_25anniversary_t, mnode_hw_t> (reinterpret_cast <mnode_hw_t *> (m_worldModel->nodes), point, endPoint);
          }
          return recursiveLightPoint <msurface_hw_t, mnode_hw_t> (reinterpret_cast <mnode_hw_t *> (m_worldModel->nodes), point, endPoint);