Footprint config (rh-hideout#3902)

* Footprint config

* Don't enable by default

include/config/pokemon.h

@@ -29,6 +29,7 @@
 
 // Other settings
 #define P_CUSTOM_GENDER_DIFF_ICONS  TRUE        // If TRUE, will give more Pokémon custom icons for their female forms, i.e. Hippopotas and Hippowdon
+#define P_FOOTPRINTS                TRUE        // If TRUE, Pokémon will have footprints (as was the case up to Gen 5 and in BDSP). Disabling this saves some ROM space.
 #define P_LEGENDARY_PERFECT_IVS     GEN_LATEST  // Since Gen 6, Legendaries, Mythicals and Ultra Beasts found in the wild or given through gifts have at least 3 perfect IVs.
 #define P_EV_CAP                    GEN_LATEST  // Since Gen 6, the max EVs per stat is 252 instead of 255.
 #define P_CATCH_CURVE               GEN_LATEST  // Since Gen 6, the capture rate curve was changed to make pokeballs more effective on lower level pokemon

src/data/pokemon/species_info.h

@@ -217,6 +217,12 @@ const u8 gOgerponCornerstoneMaskPokedexText[] = _(
         .levelUpLearnset = s ## learn##LevelUpLearnset,     \
         .teachableLearnset = s ## learn##TeachableLearnset
 
+#if P_FOOTPRINTS
+#define FOOTPRINT(sprite) .footprint = gMonFootprint_## sprite
+#else
+#define FOOTPRINT(sprite) .footprint = NULL
+#endif
+
 // Maximum value for a female Pokémon is 254 (MON_FEMALE) which is 100% female.
 // 255 (MON_GENDERLESS) is reserved for genderless Pokémon.
 #define PERCENT_FEMALE(percent) min(254, ((percent * 255) / 100))
@@ -330,7 +336,7 @@ const struct SpeciesInfo gSpeciesInfo[] =
         //PALETTE_FEMALE(CircledQuestionMark),
         ICON(QuestionMark, 0),
         //ICON_FEMALE(QuestionMark, 1),
-        //.footprint = gMonFootprint_None,
+        //FOOTPRINT(None),
         LEARNSETS(None),
         .evolutions = EVOLUTION({EVO_LEVEL, 100, SPECIES_NONE},
                                 {EVO_ITEM, ITEM_MOOMOO_MILK, SPECIES_NONE}),