Add battle music for Legendary Pokémon forms (#3723)

README.md

@@ -53,6 +53,7 @@ Check out [Github Issues](https://github.com/pagefaultgames/pokerogue/issues) to
   - Pokémon Sun/Moon
   - Pokémon Ultra Sun/Ultra Moon
   - Pokémon Sword/Shield
+  - Pokémon Legends: Arceus
   - Pokémon Scarlet/Violet
   - Firel (Custom Laboratory, Metropolis, Seabed, and Space biome music)
   - Lmz (Custom Jungle biome music)

src/battle-scene.ts

@@ -1897,6 +1897,8 @@ export default class BattleScene extends SceneBase {
       return 22.770;
     case "battle_legendary_dia_pal": //ORAS Dialga & Palkia Battle
       return 16.009;
+    case "battle_legendary_origin_form": //LA Origin Dialga & Palkia Battle
+      return 18.961;
     case "battle_legendary_giratina": //ORAS Giratina Battle
       return 10.451;
     case "battle_legendary_arceus": //HGSS Arceus Battle
@@ -1925,6 +1927,8 @@ export default class BattleScene extends SceneBase {
       return 12.503;
     case "battle_legendary_calyrex": //SWSH Calyrex Battle
       return 50.641;
+    case "battle_legendary_riders": //SWSH Ice & Shadow Rider Calyrex Battle
+      return 18.155;
     case "battle_legendary_birds_galar": //SWSH Galarian Legendary Birds Battle
       return 0.175;
     case "battle_legendary_ruinous": //SV Treasures of Ruin Battle

src/battle.ts

@@ -275,8 +275,13 @@ export default class Battle {
             return "battle_legendary_sinnoh";
           }
           if (pokemon.species.speciesId === Species.DIALGA || pokemon.species.speciesId === Species.PALKIA) {
+            if (pokemon.getFormKey() === "") {
               return "battle_legendary_dia_pal";
             }
+            if (pokemon.getFormKey() === "origin") {
+              return "battle_legendary_origin_form";
+            }
+          }
           if (pokemon.species.speciesId === Species.GIRATINA) {
             return "battle_legendary_giratina";
           }
@@ -319,8 +324,13 @@ export default class Battle {
             return "battle_legendary_glas_spec";
           }
           if (pokemon.species.speciesId === Species.CALYREX) {
+            if (pokemon.getFormKey() === "") {
               return "battle_legendary_calyrex";
             }
+            if (pokemon.getFormKey() === "ice" || pokemon.getFormKey() === "shadow") {
+              return "battle_legendary_riders";
+            }
+          }
           if (pokemon.species.speciesId === Species.GALAR_ARTICUNO || pokemon.species.speciesId === Species.GALAR_ZAPDOS || pokemon.species.speciesId === Species.GALAR_MOLTRES) {
             return "battle_legendary_birds_galar";
           }

src/locales/en/bgm-name.json

@@ -45,6 +45,7 @@
   "battle_legendary_lake_trio": "ORAS Lake Guardians Battle",
   "battle_legendary_sinnoh": "ORAS Sinnoh Legendary Battle",
   "battle_legendary_dia_pal": "ORAS Dialga & Palkia Battle",
+  "battle_legendary_origin_form": "LA Origin Dialga & Palkia Battle",
   "battle_legendary_giratina": "ORAS Giratina Battle",
   "battle_legendary_arceus": "HGSS Arceus Battle",
   "battle_legendary_unova": "BW Unova Legendary Battle",
@@ -59,6 +60,7 @@
   "battle_legendary_zac_zam": "SWSH Zacian & Zamazenta Battle",
   "battle_legendary_glas_spec": "SWSH Glastrier & Spectrier Battle",
   "battle_legendary_calyrex": "SWSH Calyrex Battle",
+  "battle_legendary_riders": "SWSH Ice & Shadow Rider Calyrex Battle",
   "battle_legendary_birds_galar": "SWSH Galarian Legendary Birds Battle",
   "battle_legendary_ruinous": "SV Treasures of Ruin Battle",
   "battle_legendary_kor_mir": "SV Depths of Area Zero Battle",