initial CGraphics class

Runtime/CGraphics.cpp

@@ -0,0 +1,36 @@
+#include "CGraphics.hpp"
+#include <Math.hpp>
+
+namespace Retro
+{
+
+u32 CGraphics::g_NumLightsActive = 0;
+ERglLight CGraphics::g_LightActive = ERglLight::None;
+ERglLight CGraphics::g_LightsWereOn = ERglLight::None;
+
+void CGraphics::DisableAllLights()
+{
+    g_NumLightsActive = 0;
+    g_LightActive = ERglLight::None;
+    // TODO: turn lights off for real
+}
+
+void CGraphics::EnableLight(ERglLight light)
+{
+    if ((light & g_LightActive) == ERglLight::None)
+    {
+        g_LightActive |= light;
+        ++g_NumLightsActive;
+        // TODO: turn light on for real
+    }
+    g_LightsWereOn = g_LightActive;
+}
+
+void CGraphics::SetLightState(ERglLight lightState)
+{
+    // TODO: set state for real
+    g_LightActive = lightState;
+    g_NumLightsActive = Zeus::Math::PopCount(lightState);
+}
+
+}