/**
* Write Terrain to a JSON file
*
* @param file
* @throws IOException
*/
public static void save(Terrain terrain, File file) throws IOException {
JSONObject json = new JSONObject();
Dimension size = terrain.size();
json.put("width", size.width);
json.put("depth", size.height);
JSONArray jsonSun = new JSONArray();
float[] sunlight = terrain.getSunlight();
jsonSun.put(sunlight[0]);
jsonSun.put(sunlight[1]);
jsonSun.put(sunlight[2]);
json.put("sunlight", jsonSun);
JSONArray altitude = new JSONArray();
for (int i = 0; i < size.width; i++) {
for (int j = 0; j < size.height; j++) {
altitude.put(terrain.getGridAltitude(i, j));
}
}
json.put("altitude", altitude);
JSONArray trees = new JSONArray();
for (Tree t : terrain.trees()) {
JSONObject j = new JSONObject();
double[] position = t.getPosition();
j.put("x", position[0]);
j.put("z", position[2]);
trees.put(j);
}
json.put("trees", trees);
JSONArray roads = new JSONArray();
for (Road r : terrain.roads()) {
JSONObject j = new JSONObject();
j.put("width", r.width());
JSONArray spine = new JSONArray();
int n = r.size();
for (int i = 0; i <= n * 3; i++) {
double[] p = r.controlPoint(i);
spine.put(p[0]);
spine.put(p[1]);
}
j.put("spine", spine);
roads.put(j);
}
json.put("roads", roads);
FileWriter out = new FileWriter(file);
json.write(out);
out.close();
}
