fp: Use meters for calculations

feely_pona_game.cpp

@@ -3,6 +3,36 @@
 #include "feely_pona_unity.h"
 #endif
 
+static Dqn_f32 FP_Game_PixelsToMeters(FP_Game const *game)
+{
+    Dqn_f32 result = game ? (1.f / game->meters_to_pixels) : 10.f;
+    return result;
+}
+
+static Dqn_f32 FP_Game_MetersToPixels(FP_Game const *game)
+{
+    Dqn_f32 result = game ? game->meters_to_pixels : 1 / 10.f;
+    return result;
+}
+
+static Dqn_V2 FP_Game_MetersToPixelsV2(FP_Game const *game, Dqn_V2 pos)
+{
+    Dqn_V2 result = pos * FP_Game_MetersToPixels(game);
+    return result;
+}
+
+static Dqn_f32 FP_Game_MetersToPixelsNx1(FP_Game const *game, Dqn_f32 val)
+{
+    Dqn_f32 result = val * FP_Game_MetersToPixels(game);
+    return result;
+}
+
+static Dqn_V2 FP_Game_MetersToPixelsNx2(FP_Game const *game, Dqn_f32 x, Dqn_f32 y)
+{
+    Dqn_V2 result = Dqn_V2_InitNx2(x, y) * FP_Game_MetersToPixels(game);
+    return result;
+}
+
 static bool operator==(FP_GameEntityHandle const &lhs, FP_GameEntityHandle const &rhs)
 {
     bool result = lhs.id == rhs.id;
@@ -203,9 +233,9 @@ static FP_GameEntity *FP_Game_MakeEntityPointerFV(FP_Game *game, DQN_FMT_STRING_
         result->handle.id = (game->entities.size - 1) & FP_GAME_ENTITY_HANDLE_INDEX_MASK;
     }
 
-    result->size_scale = Dqn_V2_InitNx1(1);
-    result->parent     = FP_Game_ActiveParentEntityPointer(game);
-    result->name       = TELY_ChunkPool_AllocFmtFV(game->chunk_pool, fmt, args);
+    result->sprite_height.meters = 1;
+    result->parent               = FP_Game_ActiveParentEntityPointer(game);
+    result->name                 = TELY_ChunkPool_AllocFmtFV(game->chunk_pool, fmt, args);
 
     // NOTE: Attach entity as a child to the parent
     FP_GameEntity *parent = result->parent;