Initial PVS stubs

Runtime/Graphics/CPVSVisSet.hpp

@@ -0,0 +1,27 @@
+#ifndef __URDE_CPVSVISSET_HPP__
+#define __URDE_CPVSVISSET_HPP__
+
+#include "RetroTypes.hpp"
+#include <memory>
+
+namespace urde
+{
+
+class CPVSVisSet
+{
+    int x0_bitCount;
+    int x4_setCount = 0;
+    std::vector<unsigned char> x8_bitset;
+public:
+    CPVSVisSet(int count) : x0_bitCount(count) {}
+    CPVSVisSet(int a, std::vector<unsigned char>&& bitset)
+    : x0_bitCount(1), x4_setCount(a), x8_bitset(std::move(bitset)) {}
+    void Reset(bool);
+    bool GetVisible(int);
+    void SetVisible(int,bool);
+    void SetFromMemory(const unsigned char*);
+};
+
+}
+
+#endif // __URDE_CPVSVISSET_HPP__