Fix mirrors, poly draw (WIP), and game over screen. Temp disable high scores.

PortabilityLayer/ScanlineMaskIterator.cpp

@@ -0,0 +1,40 @@
+#include "ScanlineMaskIterator.h"
+
+namespace PortabilityLayer
+{
+	ScanlineMaskIterator::ScanlineMaskIterator(const void *data, ScanlineMaskDataStorage dataStorage)
+		: m_loc(data)
+		, m_storage(dataStorage)
+	{
+	}
+
+	size_t ScanlineMaskIterator::Next()
+	{
+		switch (m_storage)
+		{
+		case ScanlineMaskDataStorage_UInt8:
+			{
+				const uint8_t *loc = static_cast<const uint8_t*>(m_loc);
+				uint8_t value = *loc;
+				m_loc = loc + 1;
+				return value;
+			}
+		case ScanlineMaskDataStorage_UInt16:
+			{
+				const uint16_t *loc = static_cast<const uint16_t*>(m_loc);
+				uint16_t value = *loc;
+				m_loc = loc + 1;
+				return value;
+			}
+		case ScanlineMaskDataStorage_UInt32:
+			{
+				const uint32_t *loc = static_cast<const uint32_t*>(m_loc);
+				uint32_t value = *loc;
+				m_loc = loc + 1;
+				return value;
+			}
+		default:
+			return 0;
+		}
+	}
+}