public static void Spawn(GameObject prefab, int amount, WorldGridSystem worldGridSystem)
{
GridData grid = worldGridSystem.Grid;
AnimalType animalType = prefab.GetComponentInChildren <AnimalTypeAuthoring>().animalType;
bool lookingForFreeTile;
int length = grid.Length;
for (int i = 0; i < amount; i++)
{
lookingForFreeTile = true;
while (lookingForFreeTile)
{
int n = Random.Range(0, length);
if (worldGridSystem.IsWalkable(animalType.Land, animalType.Water,
grid.GetGridPositionFromIndex(n)))
{
Vector3 spawnPos = grid.GetWorldPosition(grid.GetGridPositionFromIndex(n));
spawnPos.y = 1f;
GameObject animal = Instantiate(prefab, spawnPos, Quaternion.Euler(0, Random.Range(0, 360), 0));
animal.GetComponentInChildren <AgeAuthoring>().Age = animalType.Lifespan * Random.value;
lookingForFreeTile = false;
}
}
}
}
protected override void OnUpdate()
{
var blockedCells = worldGridSystem.BlockedCells;
var waterCells = worldGridSystem.WaterCells;
var grid = worldGridSystem.Grid;
var randomArray = randomSystem.RandomArray;
Entities
.WithNativeDisableContainerSafetyRestriction(randomArray)
.WithReadOnly(blockedCells)
.WithReadOnly(waterCells)
.ForEach((int nativeThreadIndex, Entity entity,
ref LookingForRandomTarget lookingForRandomTarget,
in Translation translation,
in MovementTerrain movementTerrain) =>
{
bool onLand = movementTerrain.MovesOnLand;
bool inWater = movementTerrain.MovesOnWater;
int randomIndex = nativeThreadIndex % JobsUtility.MaxJobThreadCount;
var random = randomArray[randomIndex];
float3 target = translation.Value;
float cap = 4; // cap + min = maximum distance from entity to pick a point.
float min = 2; // The minimum distance away from the entity to pick a point.
int tries = 10; // To handle case of no possible targets.
for (int i = 0; i < tries; i++)
{
float2 tile = random.NextFloat2(new float2(-cap, -cap), new float2(cap, cap));
tile.x += tile.x > 0 ? min : -min;
tile.y += tile.y > 0 ? min : -min;
float3 potentialtarget = new float3(translation.Value.x + tile.x, 0f, translation.Value.z + tile.y);
if (WorldGridSystem.IsWalkable(grid, blockedCells, waterCells, onLand, inWater,
grid.GetGridPosition(potentialtarget)))
{
target = potentialtarget;
break;
}
}
// Set result
if (math.distance(target, translation.Value) > 1f)
{
lookingForRandomTarget.HasFound = true;
lookingForRandomTarget.Position = target;
}
else
{
lookingForRandomTarget.HasFound = false;
}
randomArray[randomIndex] = random; // Necessary to update the generator.
}).ScheduleParallel();
protected override void OnUpdate()
{
var blockedCells = worldGridSystem.BlockedCells;
var waterCells = worldGridSystem.WaterCells;
var grid = worldGridSystem.Grid;
var directions = GetComponentDataFromEntity <MovementInput>();
Entities
.WithReadOnly(blockedCells)
.WithReadOnly(waterCells)
.WithReadOnly(directions)
.ForEach((Entity entity, int entityInQueryIndex,
ref LookingForPrey lookingForPrey,
in Translation position,
in DynamicBuffer <PreyTypesElement> preyTypeBuffer,
in DynamicBuffer <BucketAnimalData> sensedAnimals,
in MovementTerrain movementTerrain) =>
{
bool onLand = movementTerrain.MovesOnLand;
bool inWater = movementTerrain.MovesOnWater;
int closestPreyIndex = -1;
float closestPreyDistance = 0f;
// Check all animals that we can sense
for (int i = 0; i < sensedAnimals.Length; i++)
{
var sensedAnimalInfo = sensedAnimals[i];
AnimalTypeData targetAnimalType = sensedAnimalInfo.AnimalTypeData;
float3 targetPosition = sensedAnimalInfo.Position;
float targetDistance = math.distance(targetPosition, position.Value);
if (!IsPrey(targetAnimalType, preyTypeBuffer))
{
continue; // Not prey
}
if (closestPreyIndex != -1 && targetDistance >= closestPreyDistance)
{
continue; // Not the closest
}
closestPreyIndex = i;
closestPreyDistance = targetDistance;
}
// Set result
if (closestPreyIndex != -1)
{
float3 preyPosition = sensedAnimals[closestPreyIndex].Position;
lookingForPrey.HasFound = true;
lookingForPrey.Entity = sensedAnimals[closestPreyIndex].Entity;
lookingForPrey.Position = preyPosition;
int length = 3; // Might need adjusting
float3 predictedPosition;
do
{
predictedPosition = preyPosition + length * math.normalizesafe(directions[lookingForPrey.Entity].Direction);
length--;
}while (length >= 0 && !WorldGridSystem.IsWalkable(grid, blockedCells, waterCells, onLand, inWater,
grid.GetGridPosition(predictedPosition)));
lookingForPrey.PredictedPosition = predictedPosition;
}
else
{
lookingForPrey.HasFound = false;
}
}).ScheduleParallel();
protected override void OnUpdate()
{
var blockedCells = worldGridSystem.BlockedCells;
var waterCells = worldGridSystem.WaterCells;
var grid = worldGridSystem.Grid;
var randomArray = randomSystem.RandomArray;
Entities
.WithNativeDisableContainerSafetyRestriction(randomArray)
.WithReadOnly(blockedCells)
.WithReadOnly(waterCells)
.ForEach((int nativeThreadIndex, Entity entity,
ref LookingForFleeTarget lookingForFleeTarget,
in LookingForPredator lookingForPredator,
in Translation translation,
in MovementTerrain movementTerrain) =>
{
if (!lookingForPredator.HasFound)
{
return; // No predator to flee from
}
bool onLand = movementTerrain.MovesOnLand;
bool inWater = movementTerrain.MovesOnWater;
int randomIndex = nativeThreadIndex % JobsUtility.MaxJobThreadCount;
var random = randomArray[randomIndex];
float3 target = translation.Value;
float3 diff = target - lookingForPredator.Position;
float diffLength = Mathf.Sqrt(Mathf.Pow(diff.x, 2) + Mathf.Pow(diff.z, 2));
float3 startingPoint = target + 3f * diff / diffLength;
float max = 2; // maximum distance from startingPoint to pick a point.
int tries = 10; // To handle case of no possible targets.
for (int i = 0; i < tries; i++)
{
float2 tile = random.NextFloat2(new float2(-max, -max), new float2(max, max));
//tile.x += tile.x > 0 ? min : -min;
//tile.y += tile.y > 0 ? min : -min;
float3 potentialtarget = new float3(startingPoint.x + tile.x, 0f, startingPoint.z + tile.y);
if (WorldGridSystem.IsWalkable(grid, blockedCells, waterCells, onLand, inWater,
grid.GetGridPosition(potentialtarget)))
{
target = potentialtarget;
break;
}
}
// Set result
if (math.distance(target, translation.Value) > 1f)
{
lookingForFleeTarget.HasFound = true;
lookingForFleeTarget.Position = target;
}
else
{
lookingForFleeTarget.HasFound = false;
}
randomArray[randomIndex] = random; // Necessary to update the generator.
}).ScheduleParallel();