public void PickAndSpawnChunk()
{
LevelChunkDataVariable chunkToSpawn = PickNextChunk();
GameObject objectFromChunk = chunkToSpawn.Value.levelChunks[Random.Range(0, chunkToSpawn.Value.levelChunks.Length)];
previousChunk = chunkToSpawn;
Instantiate(objectFromChunk, spawnPosition + spawnOrigin, Quaternion.identity);
}
void Start()
{
previousChunk = firstChunk;
for (int i = 0; i < firstChunksToSpawn; i++)
{
PickAndSpawnChunk();
}
}
LevelChunkDataVariable PickNextChunk()
{
List <LevelChunkDataVariable> allowedChunkList = new List <LevelChunkDataVariable>();
LevelChunkDataVariable nextChunk = null;
// Pick Next Chunk by looking at the previous chunks allowed directions
LevelChunkData.Direction nextRequiredEntryDirection = LevelChunkData.Direction.North;
// if previous chunk is a U road, we want to adjust spawn position
if (previousChunk.Value.entryDirection == previousChunk.Value.exitDirection)
{
spawnPosition += new Vector3(0f, 0f, previousChunk.Value.chunkSize.y / 2f);
}
switch (previousChunk.Value.exitDirection)
{
case LevelChunkData.Direction.North:
nextRequiredEntryDirection = LevelChunkData.Direction.South;
spawnPosition += new Vector3(0f, 0f, previousChunk.Value.chunkSize.y);
break;
case LevelChunkData.Direction.East:
nextRequiredEntryDirection = LevelChunkData.Direction.West;
spawnPosition += new Vector3(previousChunk.Value.chunkSize.x, 0f, 0f);
break;
case LevelChunkData.Direction.South:
nextRequiredEntryDirection = LevelChunkData.Direction.North;
spawnPosition += new Vector3(0f, 0f, -previousChunk.Value.chunkSize.y);
break;
case LevelChunkData.Direction.West:
nextRequiredEntryDirection = LevelChunkData.Direction.East;
spawnPosition += new Vector3(-previousChunk.Value.chunkSize.x, 0f, 0f);
break;
default:
break;
}
// if previous chunk is a corner chunk then we want straight road next time
LevelChunkData.Direction nextRequiredExitDirection;
if (previousChunk.Value.turningDirection != 0)
{
nextRequiredExitDirection = LevelChunkData.GetOppositeDirection(nextRequiredEntryDirection);
foreach (var item in levelChunkDatas)
{
if (item.Value.entryDirection == nextRequiredEntryDirection && item.Value.exitDirection == nextRequiredExitDirection)
{
allowedChunkList.Add(item);
}
}
}
else
{
foreach (var item in levelChunkDatas)
{
if (item.Value.entryDirection == nextRequiredEntryDirection)
{
allowedChunkList.Add(item);
}
}
}
nextChunk = allowedChunkList[Random.Range(0, allowedChunkList.Count)];
return(nextChunk);
}
