public async Task PlaceBlock(BlockWorldPos location, EntityInteractHand hand, PlayerDiggingFace face, Vector3 cursorPosition)
{
if (face != PlayerDiggingFace.Special)
{
var world = AttachedObject.GetWorld();
var blockState = await world.GetBlockState(GrainFactory, location);
var blockHandler = BlockHandler.Create((BlockId)blockState.Id);
if (blockHandler.IsUsable)
{
await blockHandler.UseBy(AttachedObject, GrainFactory, world, location, cursorPosition);
}
else
{
var heldItem = await AttachedObject.GetComponent <HeldItemComponent>().GetHeldItem();
if (!heldItem.slot.IsEmpty)
{
var itemHandler = ItemHandler.Create((uint)heldItem.slot.BlockId);
if (itemHandler.IsPlaceable)
{
var inventory = AttachedObject.GetComponent <InventoryComponent>().GetInventoryWindow();
await itemHandler.PlaceBy(AttachedObject, GrainFactory, world, location, inventory, heldItem.index, face, cursorPosition);
}
}
}
}
}
public virtual async Task <bool> PlaceBy(IEntity entity, IGrainFactory grainFactory, IWorld world, BlockWorldPos position, Slot heldItem, PlayerDiggingFace face, Vector3 cursorPosition)
{
if (IsPlaceable)
{
AddFace(ref position, face);
var blockState = await world.GetBlockState(grainFactory, position);
if ((BlockId)blockState.Id == BlockId.Air)
{
if (!heldItem.IsEmpty)
{
var newState = await ConvertToBlock(entity, grainFactory, world, position, heldItem);
var blockHandler = BlockHandler.Create((BlockId)newState.Id);
if (await blockHandler.CanBeAt(position, grainFactory, world))
{
await world.SetBlockState(grainFactory, position, newState);
heldItem.ItemCount--;
heldItem.MakeEmptyIfZero();
await entity.Tell(new SetHeldItem { Slot = heldItem });
await blockHandler.OnPlaced(entity, grainFactory, world, position, newState);
return(true);
}
}
}
}
return(false);
}
public virtual async Task <bool> PlaceBy(IPlayer player, IGrainFactory grainFactory, IWorld world, BlockWorldPos position, IInventoryWindow inventoryWindow, int slotIndex, PlayerDiggingFace face, Vector3 cursorPosition)
{
if (IsPlaceable)
{
AddFace(ref position, face);
var blockState = await world.GetBlockState(grainFactory, position);
if ((BlockId)blockState.Id == BlockId.Air)
{
var slot = await inventoryWindow.GetSlot(player, slotIndex);
if (!slot.IsEmpty)
{
var newState = await ConvertToBlock(player, grainFactory, world, position, slot);
var blockHandler = BlockHandler.Create((BlockId)newState.Id);
if (await blockHandler.CanBeAt(position, grainFactory, world))
{
await world.SetBlockState(grainFactory, position, newState);
slot.ItemCount--;
slot.MakeEmptyIfZero();
await inventoryWindow.SetSlot(player, slotIndex, slot);
await blockHandler.OnPlaced(player, grainFactory, world, position, newState);
return(true);
}
}
}
}
return(false);
}
public async Task <bool> FinishedDigging(IEntity entity, IGrainFactory grainFactory, IWorld world, BlockWorldPos position, BlockState blockState, long usedTick, GameMode gameMode)
{
if (!blockState.IsSameId(BlockStates.Bedrock()))
{
var newState = BlockStates.Air();
await world.SetBlockState(grainFactory, position, newState);
// 产生 Pickup
if (gameMode.ModeClass != GameMode.Class.Creative)
{
var chunk = position.ToChunkWorldPos();
var finder = grainFactory.GetGrain <ICollectableFinder>(world.MakeAddressByPartitionKey(chunk));
var blockHandler = BlockHandler.Create((BlockId)blockState.Id);
var droppedSlot = blockHandler.DropBlock(ItemId, blockState);
if (!droppedSlot.IsEmpty)
{
await finder.SpawnPickup(position + new Vector3(0.5f, 0.5f, 0.5f), new[] { droppedSlot }.AsImmutable());
}
}
return(true);
}
return(false);
}
private BuildResult BuildMesh(ChunkSectionCompactStorage section, NeighborSections neighbor)
{
// 计算面总数
int planeCount = 0;
for (int z = 0; z < ChunkConstants.BlockEdgeWidthInSection; z++)
{
for (int y = 0; y < ChunkConstants.BlockEdgeWidthInSection; y++)
{
for (int x = 0; x < ChunkConstants.BlockEdgeWidthInSection; x++)
{
var blockHandler = BlockHandler.Create((BlockId)section.Data[x, y, z].Id, ServiceProvider);
planeCount += blockHandler.CalculatePlanesCount(new Vector3Int(x, y, z), section, neighbor);
}
}
}
if (planeCount == 0)
{
return(null);
}
// 填充 Mesh
var vertices = new Vector3[planeCount * 4];
var normals = new Vector3[planeCount * 4];
var uvs = new Vector2[planeCount * 4];
var triangles = new int[planeCount * 6];
int planeIndex = 0;
for (int z = 0; z < ChunkConstants.BlockEdgeWidthInSection; z++)
{
for (int y = 0; y < ChunkConstants.BlockEdgeWidthInSection; y++)
{
for (int x = 0; x < ChunkConstants.BlockEdgeWidthInSection; x++)
{
var blockHandler = BlockHandler.Create((BlockId)section.Data[x, y, z].Id, ServiceProvider);
blockHandler.CreateMesh(vertices, normals, uvs, triangles, ref planeIndex, new Vector3Int(x, y, z), section, neighbor);
}
}
}
return(new BuildResult
{
Vertices = vertices,
Normals = normals,
UVs = uvs,
Triangles = triangles
});
}