protected override void OnUpdate()
{
//Go over all our spawners and figure out if any new entity need to be spawned
//Add the spawning info to spawnerSpawnInfoList
for (int i = 0; i < spawnerDataGroup.Length; i++)
{
SpawnerPositionData spawnerPositionData = spawnerDataGroup.spawnerPositionDataArray[i];
SpawnerHazardData spawnerHazardData = spawnerDataGroup.spawnerHazardDataArray[i];
SpawnerSpawnData spawnerSpawnData = spawnerDataGroup.spawnerSpawnDataArray[i];
if (spawnerHazardData.hazardIndexArrayLength == 0)
{
continue;
}
spawnerSpawnData.timeSinceLastSpawn += Time.deltaTime;
while (spawnerSpawnData.timeSinceLastSpawn >= spawnerSpawnData.spawnDelay)
{
spawnerSpawnData.timeSinceLastSpawn -= spawnerSpawnData.spawnDelay;
float yPositionSpawn = spawnerPositionData.position.y;
//Get a random index to spawn, the range depend on the amount of hazards we set in the editor
int hazardToSpawnIndex = Random.Range(0, spawnerHazardData.hazardIndexArrayLength);
SpawnerSpawnInfo spawnInfo = new SpawnerSpawnInfo
{
spawnYPosition = yPositionSpawn,
hazardIndexToSpawn = hazardToSpawnIndex,
isBackgroundSpawn = spawnerHazardData.isBackgroundSpawner,
};
spawnerSpawnInfoList.Add(spawnInfo);
}
spawnerDataGroup.spawnerSpawnDataArray[i] = spawnerSpawnData;
}
float3 cameraPosition = MonoBehaviourECSBridge.Instance.gameCamera.transform.position;
float3 forwardDirection = new float3(0.0f, 0.0f, 1.0f);
//We use the view frustum height/witdh at our spawner y position to figure out where to spawn the new entities
//The calculation assume a camera pointing down (no angle)
for (int i = 0; i < spawnerSpawnInfoList.Length; i++)
{
SpawnerSpawnInfo spawnInfo = spawnerSpawnInfoList[i];
float yPosition = spawnInfo.spawnYPosition;
float ydeltaFromCamera = Mathf.Abs(yPosition - cameraPosition.y);
float halfFrustumHeight = ydeltaFromCamera * Mathf.Tan(Camera.main.fieldOfView * 0.5f * Mathf.Deg2Rad);
//Spawn outside of the view frustrum to avoid any "popup"
halfFrustumHeight *= 1.05f;
float halfFrustumWidth = halfFrustumHeight * MonoBehaviourECSBridge.Instance.gameCamera.aspect;
//Enemy/Hazard are spawned from the top of the screen, Allies are spawned from the bottom
float3 spawnPositionHazard = new Vector3(Random.Range(cameraPosition.x - halfFrustumWidth, cameraPosition.x + halfFrustumWidth), yPosition, cameraPosition.z + halfFrustumHeight);
float3 spawnPositionAlly = new Vector3(Random.Range(cameraPosition.x - halfFrustumWidth, cameraPosition.x + halfFrustumWidth), yPosition, cameraPosition.z - halfFrustumHeight);
//Spawn the hazard using the index we randomnly generated
Entity newHazardEntity = EntityManager.Instantiate(MonoBehaviourECSBridge.Instance.GetPrefabHazardEntity(spawnInfo.hazardIndexToSpawn, spawnInfo.isBackgroundSpawn));
//Make sure to remove the prefab "tag" data component
EntityManager.RemoveComponent <EntityPrefabData>(newHazardEntity);
//Based on the type of entity spawned, set the data needed for it
EntityTypeData entityTypeData = EntityManager.GetSharedComponentData <EntityTypeData>(newHazardEntity);
switch (entityTypeData.entityType)
{
case EntityTypeData.EntityType.Asteroid:
{
Vector3 spawnRenderForward = new Vector3(Random.value, Random.value, 1.0f);
spawnRenderForward.Normalize();
Vector3 spawnRotationAxis = new Vector3(Random.value, 1.0f, Random.value);
spawnRotationAxis.Normalize();
AsteroidMoveData moveData = EntityManager.GetComponentData <AsteroidMoveData>(newHazardEntity);
moveData.position = spawnPositionHazard;
moveData.forwardDirection = -forwardDirection;
moveData.renderForward = spawnRenderForward;
moveData.rotationAxis = spawnRotationAxis;
EntityManager.SetComponentData <AsteroidMoveData>(newHazardEntity, moveData);
}
break;
case EntityTypeData.EntityType.EnemyShip:
{
AIMoveData moveData = EntityManager.GetComponentData <AIMoveData>(newHazardEntity);
moveData.position = spawnPositionHazard;
moveData.forwardDirection = -forwardDirection;
EntityManager.SetComponentData <AIMoveData>(newHazardEntity, moveData);
}
break;
case EntityTypeData.EntityType.AllyShip:
{
AIMoveData moveData = EntityManager.GetComponentData <AIMoveData>(newHazardEntity);
moveData.position = spawnPositionAlly;
moveData.forwardDirection = forwardDirection;
EntityManager.SetComponentData <AIMoveData>(newHazardEntity, moveData);
}
break;
}
}
spawnerSpawnInfoList.Clear();
}
protected override void OnUpdate()
{
ArchetypeChunkComponentType <SpawnerPositionData> spawnerPositionDataRO = GetArchetypeChunkComponentType <SpawnerPositionData>(true);
ArchetypeChunkComponentType <SpawnerHazardData> spawnerHazardDataRO = GetArchetypeChunkComponentType <SpawnerHazardData>(true);
ArchetypeChunkComponentType <SpawnerSpawnData> spawnerSpawnDataRW = GetArchetypeChunkComponentType <SpawnerSpawnData>(false);
NativeArray <ArchetypeChunk> spawnerDataChunkArray = spawnerDataGroup.CreateArchetypeChunkArray(Allocator.TempJob);
if (spawnerDataChunkArray.Length == 0)
{
spawnerDataChunkArray.Dispose();
return;
}
//Go over all our spawners and figure out if any new entity need to be spawned
//Add the spawning info to spawnerSpawnInfoList
for (int chunkIndex = 0; chunkIndex < spawnerDataChunkArray.Length; chunkIndex++)
{
ArchetypeChunk chunk = spawnerDataChunkArray[chunkIndex];
int dataCount = chunk.Count;
NativeArray <SpawnerPositionData> spawnerPositionDataArray = chunk.GetNativeArray(spawnerPositionDataRO);
NativeArray <SpawnerHazardData> spawnerHazardDataArray = chunk.GetNativeArray(spawnerHazardDataRO);
NativeArray <SpawnerSpawnData> spawnerSpawnDataArray = chunk.GetNativeArray(spawnerSpawnDataRW);
for (int dataIndex = 0; dataIndex < dataCount; dataIndex++)
{
SpawnerPositionData spawnerPositionData = spawnerPositionDataArray[dataIndex];
SpawnerHazardData spawnerHazardData = spawnerHazardDataArray[dataIndex];
SpawnerSpawnData spawnerSpawnData = spawnerSpawnDataArray[dataIndex];
if (spawnerHazardData.hazardIndexArrayLength == 0)
{
continue;
}
spawnerSpawnData.timeSinceLastSpawn += Time.deltaTime;
while (spawnerSpawnData.timeSinceLastSpawn >= spawnerSpawnData.spawnDelay)
{
spawnerSpawnData.timeSinceLastSpawn -= spawnerSpawnData.spawnDelay;
float yPositionSpawn = spawnerPositionData.position.y;
//Get a random index to spawn, the range depend on the amount of hazards we set in the editor
int hazardToSpawnIndex =
randomGenerator.NextInt(0, spawnerHazardData.hazardIndexArrayLength);
SpawnerSpawnInfo spawnInfo = new SpawnerSpawnInfo
{
spawnYPosition = yPositionSpawn,
hazardIndexToSpawn = hazardToSpawnIndex,
isBackgroundSpawn = spawnerHazardData.isBackgroundSpawner,
};
spawnerSpawnInfoList.Add(spawnInfo);
}
spawnerSpawnDataArray[dataIndex] = spawnerSpawnData;
}
}
spawnerDataChunkArray.Dispose();
float3 cameraPosition = MonoBehaviourECSBridge.Instance.gameCamera.transform.position;
float3 forwardDirection = new float3(0.0f, 0.0f, 1.0f);
//We use the view frustum height/witdh at our spawner y position to figure out where to spawn the new entities
//The calculation assume a camera pointing down (no angle)
for (int i = 0; i < spawnerSpawnInfoList.Length; i++)
{
SpawnerSpawnInfo spawnInfo = spawnerSpawnInfoList[i];
float yPosition = spawnInfo.spawnYPosition;
float ydeltaFromCamera = Mathf.Abs(yPosition - cameraPosition.y);
float halfFrustumHeight = ydeltaFromCamera * Mathf.Tan(Camera.main.fieldOfView * 0.5f * Mathf.Deg2Rad);
//Spawn outside of the view frustrum to avoid any "popup"
halfFrustumHeight *= 1.05f;
float halfFrustumWidth = halfFrustumHeight * MonoBehaviourECSBridge.Instance.gameCamera.aspect;
//Enemy/Hazard are spawned from the top of the screen, Allies are spawned from the bottom
float3 spawnPositionHazard = new Vector3(randomGenerator.NextFloat(cameraPosition.x - halfFrustumWidth, cameraPosition.x + halfFrustumWidth),
yPosition,
cameraPosition.z + halfFrustumHeight);
float3 spawnPositionAlly = new Vector3(randomGenerator.NextFloat(cameraPosition.x - halfFrustumWidth, cameraPosition.x + halfFrustumWidth),
yPosition,
cameraPosition.z - halfFrustumHeight);
//Spawn the hazard using the index we randomly generated
Entity newHazardEntity = EntityManager.Instantiate(MonoBehaviourECSBridge.Instance.GetPrefabHazardEntity(spawnInfo.hazardIndexToSpawn, spawnInfo.isBackgroundSpawn == 1));
//Make sure to remove the prefab "tag" data component
// EntityManager.RemoveComponent<Prefab>(newHazardEntity);
//Based on the type of entity spawned, set the data needed for it
EntityTypeData entityTypeData = EntityManager.GetSharedComponentData <EntityTypeData>(newHazardEntity);
switch (entityTypeData.entityType)
{
case EntityTypeData.EntityType.Asteroid:
{
Vector3 spawnRenderForward = new Vector3(randomGenerator.NextFloat(), randomGenerator.NextFloat(), 1.0f);
spawnRenderForward.Normalize();
Vector3 spawnRotationAxis = new Vector3(randomGenerator.NextFloat(), 1.0f, randomGenerator.NextFloat());
spawnRotationAxis.Normalize();
Position newPosition = new Position()
{
Value = spawnPositionHazard,
};
EntityManager.SetComponentData <Position>(newHazardEntity, newPosition);
Rotation newRotation = new Rotation()
{
Value = quaternion.LookRotation(spawnRenderForward, spawnRotationAxis),
};
EntityManager.SetComponentData <Rotation>(newHazardEntity, newRotation);
AsteroidMoveData moveData = EntityManager.GetComponentData <AsteroidMoveData>(newHazardEntity);
moveData.movementSpeed = -forwardDirection * 5.0f;
moveData.rotationAxis = spawnRotationAxis;
EntityManager.SetComponentData <AsteroidMoveData>(newHazardEntity, moveData);
}
break;
case EntityTypeData.EntityType.EnemyShip:
{
Position newPosition = new Position()
{
Value = spawnPositionHazard,
};
EntityManager.SetComponentData <Position>(newHazardEntity, newPosition);
Rotation newRotation = new Rotation()
{
Value = quaternion.LookRotation(-forwardDirection, new float3(0.0f, 1.0f, 0.0f)),
};
EntityManager.SetComponentData <Rotation>(newHazardEntity, newRotation);
}
break;
case EntityTypeData.EntityType.AllyShip:
{
Position newPosition = new Position()
{
Value = spawnPositionAlly,
};
EntityManager.SetComponentData <Position>(newHazardEntity, newPosition);
Rotation newRotation = new Rotation()
{
Value = quaternion.LookRotation(forwardDirection, new float3(0.0f, 1.0f, 0.0f)),
};
EntityManager.SetComponentData <Rotation>(newHazardEntity, newRotation);
}
break;
}
}
spawnerSpawnInfoList.Clear();
}