Core/FifoAnalyzer: Convert DecodeMode enum into an enum class

Makes the enumeration elements strongly typed.

Source/Core/Core/FifoPlayer/FifoAnalyzer.cpp

@@ -188,7 +188,7 @@ u32 AnalyzeCommand(const u8* data, DecodeMode mode)
     int array = 0xc + (cmd - OpcodeDecoder::GX_LOAD_INDX_A) / 8;
     u32 value = ReadFifo32(data);
 
-    if (mode == DECODE_RECORD)
+    if (mode == DecodeMode::Record)
       FifoRecordAnalyzer::ProcessLoadIndexedXf(value, array);
     break;
   }
@@ -229,7 +229,7 @@ u32 AnalyzeCommand(const u8* data, DecodeMode mode)
       int vertexSize = offset;
       int numVertices = ReadFifo16(data);
 
-      if (mode == DECODE_RECORD && numVertices > 0)
+      if (mode == DecodeMode::Record && numVertices > 0)
       {
         for (int i = 0; i < 12; ++i)
         {

Source/Core/Core/FifoPlayer/FifoAnalyzer.h

@@ -10,10 +10,10 @@
 
 namespace FifoAnalyzer
 {
-enum DecodeMode
+enum class DecodeMode
 {
-  DECODE_RECORD,
-  DECODE_PLAYBACK,
+  Record,
+  Playback,
 };
 
 u32 AnalyzeCommand(const u8* data, DecodeMode mode);

Source/Core/Core/FifoPlayer/FifoPlaybackAnalyzer.cpp

@@ -63,9 +63,9 @@ void FifoPlaybackAnalyzer::AnalyzeFrames(FifoDataFile* file,
         ++nextMemUpdate;
       }
 
-      bool wasDrawing = s_DrawingObject;
-
-      u32 cmdSize = FifoAnalyzer::AnalyzeCommand(&frame.fifoData[cmdStart], DECODE_PLAYBACK);
+      const bool wasDrawing = s_DrawingObject;
+      const u32 cmdSize =
+          FifoAnalyzer::AnalyzeCommand(&frame.fifoData[cmdStart], DecodeMode::Playback);
 
 #if LOG_FIFO_CMDS
       CmdData cmdData;

Source/Core/Core/FifoPlayer/FifoRecorder.cpp

@@ -77,12 +77,14 @@ void FifoRecorder::WriteGPCommand(const u8* data, u32 size)
   {
     // Assumes data contains all information for the command
     // Calls FifoRecorder::UseMemory
-    u32 analyzed_size = FifoAnalyzer::AnalyzeCommand(data, FifoAnalyzer::DECODE_RECORD);
+    const u32 analyzed_size = FifoAnalyzer::AnalyzeCommand(data, FifoAnalyzer::DecodeMode::Record);
 
     // Make sure FifoPlayer's command analyzer agrees about the size of the command.
     if (analyzed_size != size)
+    {
       PanicAlert("FifoRecorder: Expected command to be %i bytes long, we were given %i bytes",
                  analyzed_size, size);
+    }
 
     // Copy data to buffer
     size_t currentSize = m_FifoData.size();