/**
* Generate a world and store it on disk
* @param world_id - name of the world
* @param width - width of the world
* @param height - height of the world
*/
public void generate_world(string world_id, int width, int height)
{
var timer = System.Diagnostics.Stopwatch.StartNew();
// create noise
var noise_generator = new NoiseGenerator();
var map_data = noise_generator.GenerateNoise(height, width);
// flatten noise to 0 or 1
var threshold = 0.5f; // walkable iff value <= threshold
var alt_threshold = 0.47f;
for (int i = 0; i < height; ++i)
{
for (int j = 0; j < width; ++j)
{
var value = map_data[i, j];
map_data[i, j] = value <= alt_threshold ? 1.1f : value <= threshold ? 1.0f : 0.0f;
}
}
// place portal entrance
var portal_entrance = new int[] { Random.Range(0, height - 3), Random.Range(0, width - 3) };
place_portal_in_map(portal_entrance, 3.0f, ref map_data);
// place dungeon entrance
var dungeon_entrance = new int[2];
{
bool dungeon_placed = false;
while (!dungeon_placed) // make sure it doesn't overwrite the portal entrance
{
dungeon_entrance = new int[] { Random.Range(0, height - 3), Random.Range(0, width - 3) };
dungeon_placed = place_portal_in_map(dungeon_entrance, 4.0f, ref map_data);
}
}
// place towns
// town 1
var town_1_size = 16;
var town_1 = new Town(town_1_size, town_1_size);
{
bool town_1_placed = false;
while (!town_1_placed)
{
town_1.pos = new int[] { Random.Range(0, height - town_1.height), Random.Range(0, width - town_1.width) };
town_1_placed = place_town_in_map(town_1, ref map_data);
}
}
// town 2
var town_2_size = 8;
var town_2 = new Town(town_2_size, town_2_size);
{
bool town_2_placed = false;
while (!town_2_placed)
{
town_2.pos = new int[] { Random.Range(0, height - town_2.height), Random.Range(0, width - town_2.width) };
town_2_placed = place_town_in_map(town_2, ref map_data);
}
}
// town 3
var town_3_size = 4;
var town_3 = new Town(town_3_size, town_3_size);
{
bool town_3_placed = false;
while (!town_3_placed)
{
town_3.pos = new int[] { Random.Range(0, height - town_3.height), Random.Range(0, width - town_3.width) };
town_3_placed = place_town_in_map(town_3, ref map_data);
}
}
// make sure key points are reachable
build_path_between(portal_entrance, dungeon_entrance, map_data);
build_path_between(town_1.pos, portal_entrance, map_data);
build_path_between(town_2.pos, portal_entrance, map_data);
build_path_between(town_3.pos, portal_entrance, map_data);
build_path_between(town_3.pos, town_1.pos, map_data);
build_path_between(town_3.pos, town_2.pos, map_data);
build_path_between(town_2.pos, town_1.pos, map_data);
// save map to disk
var map_color = world_id.Substring(0, world_id.IndexOf('_'));
var tilemap_data = new TileMapData(map_width, map_height, map_color);
for (int i = 0; i < map_height; ++i)
{
for (int j = 0; j < map_width; ++j)
{
var tile = new TileMapData.Tile();
tile.value = map_data[i, j];
tilemap_data.setTile(i, j, tile);
}
}
// store the key points in the tile map data for future reference for the merchant pathfinding
tilemap_data.portal_entrance = new int[] { portal_entrance[0] + 1, portal_entrance[1] + 1 };
tilemap_data.dungeon_entrance = new int[] { dungeon_entrance[0] + 1, dungeon_entrance[1] + 1 };
tilemap_data.town_1 = new int[] { town_1.pos[0] + town_1.height / 2, town_1.pos[1] + town_1.width / 2 };
tilemap_data.town_2 = new int[] { town_2.pos[0] + town_2.height / 2, town_2.pos[1] + town_2.width / 2 };
tilemap_data.town_3 = new int[] { town_3.pos[0] + town_3.height / 2, town_3.pos[1] + town_3.width / 2 };
// save to disk
tilemap_data.saveToDisk(world_id + "_map_data.bin");
Debug.Log(string.Format("Time to generate {1}: {0} ms", timer.ElapsedMilliseconds, world_id));
}
