refactor: move wave length calculation to util class

src/botlib.cpp

@@ -1170,7 +1170,7 @@ int Bot::pickBestWeapon (Array <int> &vec, int moneySave) {
    for (const auto &w : vec) {
       const auto &weapon = tab[w];
 
-      // if wea have enough money for weapon buy it
+      // if weaзщт have enough money for weapon buy it
       if (weapon.price + moneySave < m_moneyAmount + rg.get (50, 200) && rg.chance (chance)) {
          return w;
       }

src/config.cpp

@@ -348,7 +348,7 @@ void BotConfig::loadChatterConfig () {
 
                   for (auto &sound : sentences) {
                      sound.trim ().trim ("\"");
-                     auto duration = game.getWaveLen (sound.chars ());
+                     const auto duration = util.getWaveLength (sound.chars ());
 
                      if (duration > 0.0f) {
                         m_chatter[event.code].emplace (cr::move (sound), event.repeat, duration);

src/engine.cpp

@@ -269,85 +269,6 @@ void Game::testHull (const Vector &start, const Vector &end, int ignoreFlags, in
    engfuncs.pfnTraceHull (start, end, !!(ignoreFlags & TraceIgnore::Monsters), hullNumber, ignoreEntity, ptr);
 }
 
-// helper class for reading wave header
-class WaveEndianessHelper : public NonCopyable {
-private:
-#if defined (CR_ARCH_CPU_BIG_ENDIAN)
-   bool little { false };
-#else
-   bool little { true };
-#endif
-
-public:
-   uint16_t read16 (uint16_t value) {
-      return little ? value : static_cast <uint16_t> ((value >> 8) | (value << 8));
-   }
-
-   uint32_t read32 (uint32_t value) {
-      return little ? value : (((value & 0x000000ff) << 24) | ((value & 0x0000ff00) << 8) | ((value & 0x00ff0000) >> 8) | ((value & 0xff000000) >> 24));
-   }
-
-   bool isWave (char *format) {
-      if (little && memcmp (format, "WAVE", 4) == 0) {
-         return true;
-      }
-      return *reinterpret_cast <uint32_t *> (format) == 0x57415645;
-   }
-};
-
-float Game::getWaveLen (const char *fileName) {
-   auto filePath = strings.joinPath (cv_chatter_path.str (), strings.format ("%s.wav", fileName));
-
-   MemFile fp (filePath);
-
-   // we're got valid handle?
-   if (!fp) {
-      return 0.0f;
-   }
-
-   // else fuck with manual search
-   struct WavHeader {
-      char riff[4];
-      uint32_t chunkSize;
-      char wave[4];
-      char fmt[4];
-      uint32_t subchunk1Size;
-      uint16_t audioFormat;
-      uint16_t numChannels;
-      uint32_t sampleRate;
-      uint32_t byteRate;
-      uint16_t blockAlign;
-      uint16_t bitsPerSample;
-      char dataChunkId[4];
-      uint32_t dataChunkLength;
-   } header {};
-
-   WaveEndianessHelper weh;
-
-   if (fp.read (&header, sizeof (WavHeader)) == 0) {
-      logger.error ("Wave File %s - has wrong or unsupported format", filePath);
-      return 0.0f;
-   }
-   fp.close ();
-
-   if (!weh.isWave (header.wave)) {
-      logger.error ("Wave File %s - has wrong wave chunk id", filePath);
-      return 0.0f;
-   }
-
-   if (weh.read32 (header.dataChunkLength) == 0) {
-      logger.error ("Wave File %s - has zero length!", filePath);
-      return 0.0f;
-   }
-
-   const auto length = static_cast <float> (weh.read32 (header.dataChunkLength));
-   const auto bps = static_cast <float> (weh.read16 (header.bitsPerSample)) / 8;
-   const auto channels = static_cast <float> (weh.read16 (header.numChannels));
-   const auto rate = static_cast <float> (weh.read32 (header.sampleRate));
-
-   return length / bps / channels / rate;
-}
-
 bool Game::isDedicated () {
    // return true if server is dedicated server, false otherwise
    static const bool dedicated = engfuncs.pfnIsDedicatedServer () > 0;

src/manager.cpp

@@ -582,7 +582,7 @@ void BotManager::serverFill (int selection, int personality, int difficulty, int
       selection = 5;
    }
    constexpr char teams[6][12] = { "", {"Terrorists"}, {"CTs"}, "", "", {"Random"}, };
-   auto toAdd = numToAdd == -1 ? maxClients - (getHumansCount () + getBotCount ()) : numToAdd;
+   const auto toAdd = numToAdd == -1 ? maxClients - (getHumansCount () + getBotCount ()) : numToAdd;
 
    for (int i = 0; i <= toAdd; ++i) {
       addbot ("", difficulty, personality, selection, -1, true);

src/storage.cpp

@@ -322,7 +322,7 @@ String BotStorage::buildPath (int32_t file, bool isMemoryLoad) {
       path.emplace (game.getRunningModName ());
    }
 
-   // allways append addons/product
+   // always append addons/product
    path.emplace (folders.addons);
    path.emplace (folders.bot);
 

src/support.cpp

@@ -635,3 +635,83 @@ StringRef BotSupport::weaponIdToAlias (int32_t id) {
    }
    return none;
 }
+
+
+// helper class for reading wave header
+class WaveEndianessHelper final : public NonCopyable {
+private:
+#if defined (CR_ARCH_CPU_BIG_ENDIAN)
+   bool little { false };
+#else
+   bool little { true };
+#endif
+
+public:
+   uint16_t read16 (uint16_t value) {
+      return little ? value : static_cast <uint16_t> ((value >> 8) | (value << 8));
+   }
+
+   uint32_t read32 (uint32_t value) {
+      return little ? value : (((value & 0x000000ff) << 24) | ((value & 0x0000ff00) << 8) | ((value & 0x00ff0000) >> 8) | ((value & 0xff000000) >> 24));
+   }
+
+   bool isWave (char *format) const {
+      if (little && memcmp (format, "WAVE", 4) == 0) {
+         return true;
+      }
+      return *reinterpret_cast <uint32_t *> (format) == 0x57415645;
+   }
+};
+
+float BotSupport::getWaveLength (StringRef filename) {
+   auto filePath = strings.joinPath (cv_chatter_path.str (), strings.format ("%s.wav", filename));
+
+   MemFile fp (filePath);
+
+   // we're got valid handle?
+   if (!fp) {
+      return 0.0f;
+   }
+
+   // else fuck with manual search
+   struct WavHeader {
+      char riff[4];
+      uint32_t chunkSize;
+      char wave[4];
+      char fmt[4];
+      uint32_t subchunk1Size;
+      uint16_t audioFormat;
+      uint16_t numChannels;
+      uint32_t sampleRate;
+      uint32_t byteRate;
+      uint16_t blockAlign;
+      uint16_t bitsPerSample;
+      char dataChunkId[4];
+      uint32_t dataChunkLength;
+   } header {};
+
+   static WaveEndianessHelper weh;
+
+   if (fp.read (&header, sizeof (WavHeader)) == 0) {
+      logger.error ("Wave File %s - has wrong or unsupported format", filePath);
+      return 0.0f;
+   }
+   fp.close ();
+
+   if (!weh.isWave (header.wave)) {
+      logger.error ("Wave File %s - has wrong wave chunk id", filePath);
+      return 0.0f;
+   }
+
+   if (weh.read32 (header.dataChunkLength) == 0) {
+      logger.error ("Wave File %s - has zero length!", filePath);
+      return 0.0f;
+   }
+
+   const auto length = static_cast <float> (weh.read32 (header.dataChunkLength));
+   const auto bps = static_cast <float> (weh.read16 (header.bitsPerSample)) / 8;
+   const auto channels = static_cast <float> (weh.read16 (header.numChannels));
+   const auto rate = static_cast <float> (weh.read32 (header.sampleRate));
+
+   return length / bps / channels / rate;
+}