fixing stuff

src/game/Gen.cpp

@@ -0,0 +1,48 @@
+#include "Gen.h"
+
+namespace Generated
+{
+    bool IsValid(const ModelHandle& h)
+    {
+        return h.ModelIdx != UINT16_MAX && IsValid(h.Asset);
+    }
+    bool IsValid(const AssetHandle& h)
+    {
+        return h.Idx != UINT32_MAX;
+    }
+    bool operator==(const AssetHandle& lhs, const AssetHandle& rhs)
+    {
+        return lhs.Idx == rhs.Idx;
+    }
+    bool operator==(const ModelHandle& lhs, const ModelHandle& rhs)
+    {
+        if (!IsValid(lhs) || !IsValid(rhs)) return IsValid(lhs) == IsValid(rhs);
+        return lhs.ModelIdx == rhs.ModelIdx && lhs.Asset == rhs.Asset;
+    }
+    PuzPos operator+=(PuzPos lhs, const PuzPos& rhs)
+    {
+        lhs.X += rhs.X;
+        lhs.Y += rhs.Y;
+        return lhs;
+    }
+    PuzPos operator+(PuzPos lhs, const PuzPos& rhs)
+    {
+        PuzPos res = lhs;
+        res.X += rhs.X;
+        res.Y += rhs.Y;
+        return res;
+    }
+    PuzPos operator-=(PuzPos lhs, const PuzPos& rhs)
+    {
+        lhs.X -= rhs.X;
+        lhs.Y -= rhs.Y;
+        return lhs;
+    }
+    PuzPos operator-(PuzPos lhs, const PuzPos& rhs)
+    {
+        PuzPos res = lhs;
+        res.X += rhs.X;
+        res.Y += rhs.Y;
+        return res;
+    }
+} // namespace Generated