162 lines
3.9 KiB
C++
162 lines
3.9 KiB
C++
|
||
#pragma once
|
||
#include "Block.h"
|
||
#include "../cTorch.h"
|
||
#include "../cWorld.h"
|
||
|
||
|
||
|
||
|
||
|
||
class cBlockTorchHandler : public cBlockHandler
|
||
{
|
||
public:
|
||
cBlockTorchHandler(BLOCKTYPE a_BlockID)
|
||
: cBlockHandler(a_BlockID)
|
||
{
|
||
}
|
||
|
||
|
||
virtual void PlaceBlock(cWorld * a_World, cPlayer * a_Player, NIBBLETYPE a_BlockMeta, int a_X, int a_Y, int a_Z, char a_Dir) override
|
||
{
|
||
if(!TorchCanBePlacedAt(a_World, a_X, a_Y, a_Z, a_Dir))
|
||
{
|
||
a_Dir = FindSuitableDirection(a_World, a_X, a_Y, a_Z);
|
||
|
||
if(a_Dir == BLOCK_FACE_BOTTOM)
|
||
return;
|
||
}
|
||
|
||
a_World->SetBlock(a_X, a_Y, a_Z, m_BlockID, cTorch::DirectionToMetaData(a_Dir));
|
||
OnPlacedByPlayer(a_World, a_Player, a_X, a_Y, a_Z, a_Dir);
|
||
}
|
||
|
||
|
||
virtual bool AllowBlockOnTop(void) override
|
||
{
|
||
return false;
|
||
}
|
||
|
||
|
||
static bool CanBePlacedOn(BLOCKTYPE a_BlockType, char a_Direction)
|
||
{
|
||
switch (a_BlockType)
|
||
{
|
||
case E_BLOCK_STONE:
|
||
case E_BLOCK_GRASS:
|
||
case E_BLOCK_DIRT:
|
||
case E_BLOCK_COBBLESTONE:
|
||
case E_BLOCK_PLANKS:
|
||
case E_BLOCK_BEDROCK:
|
||
case E_BLOCK_SAND:
|
||
case E_BLOCK_GRAVEL:
|
||
case E_BLOCK_GOLD_ORE:
|
||
case E_BLOCK_IRON_ORE:
|
||
case E_BLOCK_COAL_ORE:
|
||
case E_BLOCK_LOG:
|
||
case E_BLOCK_SPONGE:
|
||
case E_BLOCK_LAPIS_ORE:
|
||
case E_BLOCK_LAPIS_BLOCK:
|
||
case E_BLOCK_SANDSTONE:
|
||
case E_BLOCK_WOOL:
|
||
case E_BLOCK_GOLD_BLOCK:
|
||
case E_BLOCK_IRON_BLOCK:
|
||
case E_BLOCK_DOUBLE_STONE_SLAB:
|
||
case E_BLOCK_BRICK:
|
||
case E_BLOCK_BOOKCASE:
|
||
case E_BLOCK_MOSSY_COBBLESTONE:
|
||
case E_BLOCK_OBSIDIAN:
|
||
case E_BLOCK_MOB_SPAWNER:
|
||
case E_BLOCK_DIAMOND_ORE:
|
||
case E_BLOCK_DIAMOND_BLOCK:
|
||
case E_BLOCK_CRAFTING_TABLE:
|
||
case E_BLOCK_REDSTONE_ORE:
|
||
case E_BLOCK_REDSTONE_ORE_GLOWING:
|
||
case E_BLOCK_SNOW_BLOCK:
|
||
case E_BLOCK_CLAY:
|
||
case E_BLOCK_JUKEBOX:
|
||
case E_BLOCK_PUMPKIN:
|
||
case E_BLOCK_NETHERRACK:
|
||
case E_BLOCK_SOULSAND:
|
||
case E_BLOCK_JACK_O_LANTERN:
|
||
case E_BLOCK_LOCKED_CHEST:
|
||
case E_BLOCK_STONE_BRICKS:
|
||
case E_BLOCK_MELON:
|
||
case E_BLOCK_MYCELIUM:
|
||
case E_BLOCK_NETHER_BRICK:
|
||
case E_BLOCK_END_STONE:
|
||
case E_BLOCK_REDSTONE_LAMP_OFF:
|
||
case E_BLOCK_REDSTONE_LAMP_ON:
|
||
case E_BLOCK_DOUBLE_WOODEN_SLAB:
|
||
case E_BLOCK_EMERALD_ORE:
|
||
case E_BLOCK_ENDER_CHEST:
|
||
case E_BLOCK_EMERALD_BLOCK:
|
||
{
|
||
return true;
|
||
}
|
||
|
||
case E_BLOCK_GLASS:
|
||
case E_BLOCK_FENCE:
|
||
case E_BLOCK_NETHER_BRICK_FENCE:
|
||
{
|
||
return (a_Direction == 0x1); // allow only direction "standing on floor"
|
||
}
|
||
|
||
default:
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
static bool TorchCanBePlacedAt(cWorld * a_World, int a_X, int a_Y, int a_Z, char a_Dir)
|
||
{
|
||
// TODO: If placing a torch from below, check all 4 XZ neighbors, place it on that neighbor instead
|
||
// How to propagate that change up?
|
||
// Simon: The easiest way is to calculate the position two times, shouldn<64>t cost much cpu power :)
|
||
|
||
if(a_Dir == BLOCK_FACE_BOTTOM)
|
||
return false;
|
||
|
||
AddDirection( a_X, a_Y, a_Z, a_Dir, true );
|
||
|
||
return CanBePlacedOn(a_World->GetBlock( a_X, a_Y, a_Z ), a_Dir);
|
||
}
|
||
|
||
// Finds a suitable Direction for the Torch. Returns BLOCK_FACE_BOTTOM on failure
|
||
static char FindSuitableDirection(cWorld * a_World, int a_X, int a_Y, int a_Z)
|
||
{
|
||
for(int i = 1; i <= 5; i++)
|
||
{
|
||
if(TorchCanBePlacedAt(a_World, a_X, a_Y, a_Z, i))
|
||
return i;
|
||
}
|
||
return BLOCK_FACE_BOTTOM;
|
||
}
|
||
|
||
virtual bool CanBePlacedAt(cWorld * a_World, int a_X, int a_Y, int a_Z, char a_Dir) override
|
||
{
|
||
if(TorchCanBePlacedAt(a_World, a_X, a_Y, a_Z, a_Dir))
|
||
return true;
|
||
|
||
return FindSuitableDirection(a_World, a_X, a_Y, a_Z) != BLOCK_FACE_BOTTOM;
|
||
}
|
||
|
||
|
||
virtual bool CanBeAt(cWorld * a_World, int a_X, int a_Y, int a_Z) override
|
||
{
|
||
char Dir = cTorch::MetaDataToDirection(a_World->GetBlockMeta( a_X, a_Y, a_Z));
|
||
return TorchCanBePlacedAt(a_World, a_X, a_Y, a_Z, Dir);
|
||
}
|
||
|
||
virtual NIBBLETYPE GetDropMeta(NIBBLETYPE a_BlockMeta) override
|
||
{
|
||
return 0;
|
||
}
|
||
};
|
||
|
||
|
||
|
||
|