// Gets the topmost unit in the array and that location, or null if empty
public BufferedImage getUnitSprite(MapLocation mapLocation) {
ArrayList<Unit> units = world.getUnitList(mapLocation);
if (units.isEmpty()) {
return null;
}
return unitMap.get(units.get(0).getUnitType());
}
// Gets the appropriate city sprite based on the city level or null if no city at that location
public BufferedImage getCitySprite(MapLocation mapLocation) {
City city = world.getCity(mapLocation);
if (city == null) {
return null;
}
return cityMap.get(city.getStyle().toString() + "_" + city.getLevel());
}
// Tries to retrieve the appropriate sprite given a set of
// coords as a map location, if it can't find it, the method
// will return null;
public BufferedImage getTerrainSprite(MapLocation coords) {
try {
// Get the tile that we want to look around for ease of use later.
Tile tile = world.getTile(coords);
TerrainType tileType = tile.getTerrainType();
// IF the tile is grass, then we dont care whats around, it we just
// return the grass sprite, otherwise we need to look.
if (tile.getTerrainType() == TerrainType.GRASSLAND) return this.terrainMap.get("GRASSLAND");
int y = coords.y;
int x = coords.x;
int my = world.getMap().getMapHeight();
int mx = world.getMap().getMapWidth();
// get the base key for the sprite, ex "DESERT"
String key = tile.getTerrainType().toString();
// Check whats around the tile :D
boolean north = (y > 0 ? world.getTile(x, y - 1).getTerrainType() == tileType : true);
boolean east =
(world.getTile(x + 1 > mx - 1 ? (x + 1) - mx : x + 1, y).getTerrainType() == tileType);
boolean south = (y < my - 1 ? world.getTile(x, y + 1).getTerrainType() == tileType : true);
boolean west =
(world.getTile(x - 1 < 0 ? (x - 1) + mx : x - 1, y).getTerrainType() == tileType);
// if the terrain is a hill, mountain or forest, we only care what
// is east and west of it (we dont have sprites for N and S)
if (tileType == TerrainType.HILLS
|| tileType == TerrainType.MOUNTAINS
|| tileType == TerrainType.FOREST) north = south = false;
// Append the appropriate key to the type of it has surrounding types
if (north || east || south || west)
key +=
"_" + (north ? "N" : "") + (east ? "E" : "") + (south ? "S" : "") + (west ? "W" : "");
// Return the sprite.
return this.terrainMap.get(key);
} catch (Exception e) {
return null;
}
}