public void Generate(World world)
{
int size = Math.Clamp(this.m_Random.Next() % this.m_MaxSize, this.m_MaxSize / 2, this.m_MaxSize);
var archetype = world.CreateArchetype(typeof(Position), typeof(TileChunk));
var tileCollection = new RandomTileMapCollection(this.m_Random, size);
tileCollection.Add(TileMap.Load(Assets.NameToPath("tm_flatland.tiles")), 30);
tileCollection.Add(TileMap.Load(Assets.NameToPath("tm_hill.tiles")), 20);
tileCollection.Add(TileMap.Load(Assets.NameToPath("tm_mountain.tiles")), 15);
tileCollection.Add(TileMap.Load(Assets.NameToPath("tm_cliff.tiles")), 15);
tileCollection.Add(TileMap.Load(Assets.NameToPath("tm_valley.tiles")), 15);
var spawnLeft = GenerateSpawn(
world,
TileMap.Load(Assets.NameToPath("tm_spawn_left.tiles")),
new Position(Vector2.Zero),
new Spawn {
damage = 0f, playerId = 0
});
var position = new Vector2(spawnLeft.Width, 0f);
float maxDeepness = 0f;
for (int i = 0; i < size; ++i)
{
var map = tileCollection.Choose();
var rect = map.Instantiate(world, new Position(position));
position.X += rect.Width;
float deepness = rect.Top + rect.Height;
if (deepness > maxDeepness)
{
maxDeepness = deepness;
}
}
var spawnRight = GenerateSpawn(
world,
TileMap.Load(Assets.NameToPath("tm_spawn_right.tiles")),
new Position(position.X, 0f),
new Spawn {
damage = 0f, playerId = 1
});
position.X += spawnRight.Width;
world.ForEach(archetype, (batch) => {
var chunks = batch.GetComponentDataReadWrite <TileChunk>();
var positions = batch.GetComponentData <Position>();
for (int i = 0; i < batch.length; ++i)
{
GenerateRandomizedTiles(positions[i].value, ref chunks[i]);
}
});
Vector2 bedrockPosition = new Vector2(0f, maxDeepness);
while (bedrockPosition.X < position.X)
{
var entity = world.CreateEntity(archetype);
world.SetComponentData <Position>(entity, new Position(bedrockPosition));
ref var chunk = ref world.RefComponentData <TileChunk>(entity);
chunk.SetAll(new Tile(TileType.Bedrock));
chunk.flags = chunk.flags | TileChunkFlags.NoneDestructible | TileChunkFlags.StaticNotEmpty;
bedrockPosition.X += TileChunk.PixelSize;
}