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Implemented the basic slime block pulling

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bibo38 2015-11-05 11:39:07 +01:00
parent 59a9ac5e6f
commit ede4eec4c5
1 changed files with 62 additions and 17 deletions
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79
src/Blocks/BlockPiston.cpp
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@ -233,31 +233,76 @@ void cBlockPistonHandler::RetractPiston(int a_BlockX, int a_BlockY, int a_BlockZ
return;
}
// Remove Extension
a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, -1);
a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, pistonBlock, pistonMeta & ~(8));
a_World->BroadcastBlockAction(a_BlockX, a_BlockY, a_BlockZ, 1, pistonMeta & ~(8), pistonBlock);
a_World->BroadcastSoundEffect("tile.piston.in", static_cast<double>(a_BlockX), static_cast<double>(a_BlockY), static_cast<double>(a_BlockZ), 0.5f, 0.7f);
AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, 1);
// Retract the extension, pull block if appropriate
if (IsSticky(pistonBlock))
if(!IsSticky(pistonBlock))
{
int tempx = a_BlockX, tempy = a_BlockY, tempz = a_BlockZ;
AddPistonDir(tempx, tempy, tempz, pistonMeta, 1);
BLOCKTYPE tempBlock;
NIBBLETYPE tempMeta;
a_World->GetBlockTypeMeta(tempx, tempy, tempz, tempBlock, tempMeta);
if (CanPull(tempBlock, tempMeta))
{
// Pull the block
a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, tempBlock, tempMeta);
a_World->SetBlock(tempx, tempy, tempz, E_BLOCK_AIR, 0);
return;
}
// No need for block pulling, bail out
return;
}
// Retract without pulling
a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, 2);
// Try to "push" the pulling block in the opposite direction
switch(pistonMeta & 0x07)
{
case 0:
case 1:
pistonMeta = 1 - pistonMeta;
break;
case 2:
case 3:
pistonMeta = 5 - pistonMeta;
break;
case 4:
case 5:
pistonMeta = 9 - pistonMeta;
break;
default:
{
LOGWARNING("%s: invalid direction %d, ignoring", __FUNCTION__, pistonMeta & 0x07); \
break;
}
}
std::unordered_set<Vector3i, VectorHasher<int>> pushedBlocks;
if (!CanPushBlock(a_BlockX, a_BlockY, a_BlockZ, a_World, true, pushedBlocks, pistonMeta))
{
// Not pushable, bail out
return;
}
Vector3i pistonMoveVec;
AddPistonDir(pistonMoveVec.x, pistonMoveVec.y, pistonMoveVec.z, pistonMeta, 1);
std::vector<Vector3i> sortedBlocks(pushedBlocks.begin(), pushedBlocks.end());
std::sort(sortedBlocks.begin(), sortedBlocks.end(), [pistonMoveVec](const Vector3i & a, const Vector3i & b)
{
return a.Dot(pistonMoveVec) > b.Dot(pistonMoveVec);
});
int moveX, moveY, moveZ;
BLOCKTYPE moveBlock;
NIBBLETYPE moveMeta;
for (const Vector3i & moveBlockVec : sortedBlocks)
{
moveX = moveBlockVec.x;
moveY = moveBlockVec.y;
moveZ = moveBlockVec.z;
a_World->GetBlockTypeMeta(moveX, moveY, moveZ, moveBlock, moveMeta);
a_World->SetBlock(moveX, moveY, moveZ, E_BLOCK_AIR, 0);
AddPistonDir(moveX, moveY, moveZ, pistonMeta, 1);
// TODO Do not allow pisons to pull breakable blocks
a_World->SetBlock(moveX, moveY, moveZ, moveBlock, moveMeta);
}
}