Give names to battle anim backgrounds

src/battle_bg.c

@@ -598,6 +598,7 @@ const struct WindowTemplate * const gBattleWindowTemplates[] =
 
 static const struct BattleBackground gBattleTerrainTable[] =
 {
+    [BATTLE_TERRAIN_GRASS] =
     {
         .tileset = gBattleTerrainTiles_TallGrass,
         .tilemap = gBattleTerrainTilemap_TallGrass,
@@ -605,6 +606,8 @@ static const struct BattleBackground gBattleTerrainTable[] =
         .entryTilemap = gBattleTerrainAnimTilemap_TallGrass,
         .palette = gBattleTerrainPalette_TallGrass,
     },
+
+    [BATTLE_TERRAIN_LONG_GRASS] =
     {
         .tileset = gBattleTerrainTiles_LongGrass,
         .tilemap = gBattleTerrainTilemap_LongGrass,
@@ -612,6 +615,8 @@ static const struct BattleBackground gBattleTerrainTable[] =
         .entryTilemap = gBattleTerrainAnimTilemap_LongGrass,
         .palette = gBattleTerrainPalette_LongGrass,
     },
+
+    [BATTLE_TERRAIN_SAND] =
     {
         .tileset = gBattleTerrainTiles_Sand,
         .tilemap = gBattleTerrainTilemap_Sand,
@@ -619,6 +624,8 @@ static const struct BattleBackground gBattleTerrainTable[] =
         .entryTilemap = gBattleTerrainAnimTilemap_Sand,
         .palette = gBattleTerrainPalette_Sand,
     },
+
+    [BATTLE_TERRAIN_UNDERWATER] =
     {
         .tileset = gBattleTerrainTiles_Underwater,
         .tilemap = gBattleTerrainTilemap_Underwater,
@@ -626,6 +633,8 @@ static const struct BattleBackground gBattleTerrainTable[] =
         .entryTilemap = gBattleTerrainAnimTilemap_Underwater,
         .palette = gBattleTerrainPalette_Underwater,
     },
+
+    [BATTLE_TERRAIN_WATER] =
     {
         .tileset = gBattleTerrainTiles_Water,
         .tilemap = gBattleTerrainTilemap_Water,
@@ -633,6 +642,8 @@ static const struct BattleBackground gBattleTerrainTable[] =
         .entryTilemap = gBattleTerrainAnimTilemap_Water,
         .palette = gBattleTerrainPalette_Water,
     },
+
+    [BATTLE_TERRAIN_POND] =
     {
         .tileset = gBattleTerrainTiles_PondWater,
         .tilemap = gBattleTerrainTilemap_PondWater,
@@ -640,6 +651,8 @@ static const struct BattleBackground gBattleTerrainTable[] =
         .entryTilemap = gBattleTerrainAnimTilemap_PondWater,
         .palette = gBattleTerrainPalette_PondWater,
     },
+
+    [BATTLE_TERRAIN_MOUNTAIN] =
     {
         .tileset = gBattleTerrainTiles_Rock,
         .tilemap = gBattleTerrainTilemap_Rock,
@@ -647,6 +660,8 @@ static const struct BattleBackground gBattleTerrainTable[] =
         .entryTilemap = gBattleTerrainAnimTilemap_Rock,
         .palette = gBattleTerrainPalette_Rock,
     },
+
+    [BATTLE_TERRAIN_CAVE] =
     {
         .tileset = gBattleTerrainTiles_Cave,
         .tilemap = gBattleTerrainTilemap_Cave,
@@ -654,6 +669,8 @@ static const struct BattleBackground gBattleTerrainTable[] =
         .entryTilemap = gBattleTerrainAnimTilemap_Cave,
         .palette = gBattleTerrainPalette_Cave,
     },
+
+    [BATTLE_TERRAIN_BUILDING] =
     {
         .tileset = gBattleTerrainTiles_Building,
         .tilemap = gBattleTerrainTilemap_Building,
@@ -661,7 +678,9 @@ static const struct BattleBackground gBattleTerrainTable[] =
         .entryTilemap = gBattleTerrainAnimTilemap_Building,
         .palette = gBattleTerrainPalette_Building,
     },
-    {// plain
+
+    [BATTLE_TERRAIN_PLAIN] =
+    {
         .tileset = gBattleTerrainTiles_Building,
         .tilemap = gBattleTerrainTilemap_Building,
         .entryTileset = gBattleTerrainAnimTiles_Building,