bool cItemHandler::OnPlayerPlace(
cWorld & a_World, cPlayer & a_Player, const cItem & a_EquippedItem,
int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
int a_CursorX, int a_CursorY, int a_CursorZ
)
{
if (a_BlockFace < 0)
{
// Clicked in air
return false;
}
if ((a_BlockY < 0) || (a_BlockY >= cChunkDef::Height))
{
// The clicked block is outside the world, ignore this call altogether (#128)
return false;
}
BLOCKTYPE ClickedBlock;
NIBBLETYPE ClickedBlockMeta;
a_World.GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, ClickedBlock, ClickedBlockMeta);
// Check if the block ignores build collision (water, grass etc.):
if (
BlockHandler(ClickedBlock)->DoesIgnoreBuildCollision() ||
BlockHandler(ClickedBlock)->DoesIgnoreBuildCollision(&a_Player, ClickedBlockMeta)
)
{
cChunkInterface ChunkInterface(a_World.GetChunkMap());
BlockHandler(ClickedBlock)->OnDestroyedByPlayer(ChunkInterface, a_World, &a_Player, a_BlockX, a_BlockY, a_BlockZ);
}
else
{
AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace);
if ((a_BlockY < 0) || (a_BlockY >= cChunkDef::Height))
{
// The block is being placed outside the world, ignore this packet altogether (#128)
return false;
}
NIBBLETYPE PlaceMeta;
BLOCKTYPE PlaceBlock;
a_World.GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, PlaceBlock, PlaceMeta);
// Clicked on side of block, make sure that placement won't be cancelled if there is a slab able to be double slabbed.
// No need to do combinability (dblslab) checks, client will do that here.
if (
!BlockHandler(PlaceBlock)->DoesIgnoreBuildCollision() &&
!BlockHandler(PlaceBlock)->DoesIgnoreBuildCollision(&a_Player, PlaceMeta)
)
{
// Tried to place a block *into* another?
// Happens when you place a block aiming at side of block with a torch on it or stem beside it
return false;
}
}
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
if (!GetPlacementBlockTypeMeta(&a_World, &a_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ, BlockType, BlockMeta))
{
// Handler refused the placement, send that information back to the client:
a_World.SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, &a_Player);
a_Player.GetInventory().SendEquippedSlot();
return false;
}
if (!a_Player.PlaceBlock(a_BlockX, a_BlockY, a_BlockZ, BlockType, BlockMeta))
{
// The placement failed, the block has already been re-sent, re-send inventory:
a_Player.GetInventory().SendEquippedSlot();
return false;
}
AString PlaceSound = cBlockInfo::GetPlaceSound(BlockType);
float Volume = 1.0f, Pitch = 0.8f;
if (PlaceSound == "dig.metal")
{
Pitch = 1.2f;
PlaceSound = "dig.stone";
}
else if (PlaceSound == "random.anvil_land")
{
Volume = 0.65f;
}
a_World.BroadcastSoundEffect(PlaceSound, a_BlockX + 0.5, a_BlockY + 0.5, a_BlockZ + 0.5, Volume, Pitch);
// Remove the "placed" item:
if (a_Player.IsGameModeSurvival())
{
a_Player.GetInventory().RemoveOneEquippedItem();
}
return true;
}
bool GetLargeTreeAdjustment(cWorld & a_World, int & a_X, int & a_Y, int & a_Z, NIBBLETYPE a_Meta)
{
bool IsLarge = true;
a_Meta = a_Meta & 0x07;
// Check to see if we are the northwest corner
for (int x = 0; x < 2; ++x)
{
for (int z = 0; z < 2; ++z)
{
NIBBLETYPE meta;
BLOCKTYPE type;
a_World.GetBlockTypeMeta(a_X + x, a_Y, a_Z + z, type, meta);
IsLarge = IsLarge && (type == E_BLOCK_SAPLING) && ((a_Meta & meta) == a_Meta);
}
}
if (IsLarge)
{
return true;
}
IsLarge = true;
// Check to see if we are the southwest corner
for (int x = 0; x < 2; ++x)
{
for (int z = 0; z > -2; --z)
{
NIBBLETYPE meta;
BLOCKTYPE type;
a_World.GetBlockTypeMeta(a_X + x, a_Y, a_Z + z, type, meta);
IsLarge = IsLarge && (type == E_BLOCK_SAPLING) && ((a_Meta & meta) == a_Meta);
}
}
if (IsLarge)
{
--a_Z;
return true;
}
IsLarge = true;
// Check to see if we are the southeast corner
for (int x = 0; x > -2; --x)
{
for (int z = 0; z > -2; --z)
{
NIBBLETYPE meta;
BLOCKTYPE type;
a_World.GetBlockTypeMeta(a_X + x, a_Y, a_Z + z, type, meta);
IsLarge = IsLarge && (type == E_BLOCK_SAPLING) && ((a_Meta & meta) == a_Meta);
}
}
if (IsLarge)
{
--a_Z;
--a_X;
return true;
}
IsLarge = true;
// Check to see if we are the northeast corner
for (int x = 0; x > -2; --x)
{
for (int z = 0; z < 2; ++z)
{
NIBBLETYPE meta;
BLOCKTYPE type;
a_World.GetBlockTypeMeta(a_X + x, a_Y, a_Z + z, type, meta);
IsLarge = IsLarge && (type == E_BLOCK_SAPLING) && ((a_Meta & meta) == a_Meta);
}
}
if (IsLarge)
{
--a_X;
}
return IsLarge;
}