public AnimalPreset(AnimalBehaviourComponent.AnimalSex sex, PackedScene scene, AnimalBehaviourComponent.AnimalDiet diet, int foodChainLevel, int breedability, string presetName, int foodDrop = 1,
float birthDrop = 20.0f, float oxygenConsumption = 0.0001f, float co2Production = 0.0001f)
{
this.sex = sex;
this.scene = scene;
this.diet = diet;
this.foodChainLevel = foodChainLevel;
this.breedability = breedability;
this.presetName = presetName;
this.oxygenConsumption = oxygenConsumption;
this.co2Production = co2Production;
this.foodDrop = foodDrop;
this.birthDrop = birthDrop;
}
public void SpawnAnimal(string presetName, AnimalBehaviourComponent.AnimalSex sex, Vector3 position)
{
// Choose preset
AnimalPreset preset = null;
foreach (AnimalPreset p in presets)
{
if (p.presetName.Equals(presetName) && p.sex == sex)
{
preset = p;
break;
}
}
// Use preset to generate animal
PackedScene chosenScene = preset.scene;
KinematicBody kb = (KinematicBody)chosenScene.Instance();
Entity entity = new Entity();
kb.AddChild(entity);
entity.SetName("Entity");
AnimalBehaviourComponent behaviourComponent = new AnimalBehaviourComponent(entity, preset.sex, preset.diet, preset.foodChainLevel, preset.breedability,
preset.presetName, preset.oxygenConsumption, preset.co2Production, preset.foodDrop, preset.birthDrop);
PhysicsComponent physicsComponent = new PhysicsComponent(entity);
entity.AddComponent(behaviourComponent);
entity.AddComponent(physicsComponent);
kb.SetTranslation(position);
AddChild(kb);
}
//Creates a chunk at specified index, note that the chunk's position will be chunkIndex * chunkSize
private void CreateChunk(IntVector2 chunkIndex, bool buildMesh)
{
if (loadedChunks.TryGetValue(chunkIndex, out Tuple <Chunk, bool, bool> tuple)) //Chunk already created
{
if (buildMesh && !tuple.Item2) //But maybe we need to build a mesh for it?
{
loadedChunks[chunkIndex] = new Tuple <Chunk, bool, bool>(tuple.Item1, true, tuple.Item3);
chunksToUpdate.AddLast(chunkIndex);
}
if (!tuple.Item3) // If node not created, but it is in memory
{
tuple.Item1.Visible = true;
}
}
else
{
byte[,,] blocks = worldGenerator.GetChunk(chunkIndex, Chunk.SIZE);
Chunk chunk = new Chunk(this, chunkIndex, blocks);
this.AddChild(chunk);
loadedChunks[chunkIndex] = new Tuple <Chunk, bool, bool>(chunk, buildMesh, true);
if (buildMesh)
{
chunksToUpdate.AddLast(chunkIndex);
}
chunkNo++;
//We take data from ANIMAL_CHUNK_RANGE closest chunks to player, throw it in a normal distribution, and generate animals from the dist.
if (chunkNo == (int)ANIMAL_CHUNK_RANGE)
{
chunkNo = 0;
// Spawn animals
Vector3 playerPos = player.GetTranslation();
IntVector2 playerChunk = new IntVector2((int)(playerPos.x / (Chunk.SIZE.x * Block.SIZE)), (int)(playerPos.z / (Chunk.SIZE.z * Block.SIZE)));
Dictionary <string, int> animalCount = CountAnimalsInChunk(playerChunk);
Random rand = new Random();
foreach (KeyValuePair <string, int> pair in animalCount)
{
//number to spawn
double u1 = 1.0 - rand.NextDouble(); //uniform(0,1] random doubles
double u2 = 1.0 - rand.NextDouble();
double randStdNormal = Math.Sqrt(-2.0 * Math.Log(u1)) *
Math.Sin(2.0 * Math.PI * u2); //random normal(0,1)
double randNormal = (pair.Value + (pair.Value / 4.0f) * randStdNormal);
int number = (int)(Math.Max(0, Math.Round(randNormal / ANIMAL_CHUNK_RANGE)));
for (int i = 0; i < number; i++)
{
double sexNum = rand.NextDouble();
AnimalBehaviourComponent.AnimalSex sex = (sexNum > 0.5 ? AnimalBehaviourComponent.AnimalSex.Male : AnimalBehaviourComponent.AnimalSex.Female);
Vector3 chunkOrigin = (new Vector3(chunkIndex.x * Chunk.SIZE.x, Chunk.SIZE.y / 2.0f, chunkIndex.y * Chunk.SIZE.z) * Block.SIZE);
Vector3 chunkSize = Chunk.SIZE * Block.SIZE;
Vector3 randomPosition = new Vector3(rand.Next(0, (int)chunkSize.x), 100.0f, rand.Next(0, (int)chunkSize.z));
// ugly, TODO: fix
GetNode(Game.GAME_PATH).GetNode("AnimalSpawner").Call("SpawnAnimal", pair.Key, sex, chunkOrigin + randomPosition);
}
}
}
}
}