#define P_CellsPerMeter 32.0
#define P_CellsPerSqMeter (P_CellsPerMeter * P_CellsPerMeter)

#define P_TilesPerMeter 2.0
#define P_TilesPerSqMeter (V_TilesPerMeter * V_TilesPerMeter)

#define P_WorldPitch 64.0
#define P_TilesPitch (P_WorldPitch * P_TilesPerMeter)
#define P_CellsPitch (P_WorldPitch * P_CellsPerMeter)

#define P_TilesCount (P_TilesPitch * P_TilesPitch)
#define P_CellsCount (P_CellsPitch * P_TilesPitch)

#define P_WorldTilesDims VEC2(P_TilesPitch, P_TilesPitch)
#define P_WorldCellsDims VEC2(P_CellsPitch, P_CellsPitch)

////////////////////////////////////////////////////////////
//~ Material types

Enum(P_MaterialKind)
{
  P_MaterialKind_Wall,
  P_MaterialKind_Flesh,
};

////////////////////////////////////////////////////////////
//~ Tile types

#define P_TilesXList(X)  \
  X(Empty)               \
  X(Wall)                \
  X(Tile)                \
  X(Carpet)              \
/* -------------------- */

//- Tile kinds
Enum(P_TileKind)
{
  #define X(name, ...) P_TileKind_##name,
    P_TilesXList(X)
  #undef X
  P_TileKind_COUNT
};

////////////////////////////////////////////////////////////
//~ Prefab types

#define P_PrefabsXList(X)                               \
  X(None,           P_PrefabFlag_HideFromEditor)        \
  X(Bot,            P_PrefabFlag_None)                  \
  X(GuySpawn,       P_PrefabFlag_None)                  \
  X(HealthSpawn,    P_PrefabFlag_None)                  \
/* --------------------------------------------------- */

//- Prefab flags
Enum(P_PrefabFlag)
{
  P_PrefabFlag_None = 0,
  P_PrefabFlag_HideFromEditor = (1 << 0),
};

//- Prefab kinds
Enum(P_PrefabKind)
{
  #define X(name, ...) P_PrefabKind_##name,
    P_PrefabsXList(X)
  #undef X
  P_PrefabKind_COUNT
};

////////////////////////////////////////////////////////////
//~ Tile helpers

i32 P_TileIdxFromTilePos(Vec2 p);

////////////////////////////////////////////////////////////
//~ Prefab helpers

P_PrefabFlag P_FlagsFromPrefabKind(P_PrefabKind kind);