316 lines
11 KiB
C
316 lines
11 KiB
C
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#pragma once
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#include "BlockEntity.h"
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#include "../World.h"
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enum ENUM_RAIL_DIRECTIONS
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{
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E_RAIL_NORTH_SOUTH = 0,
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E_RAIL_EAST_WEST = 1,
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E_RAIL_ASCEND_EAST = 2,
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E_RAIL_ASCEND_WEST = 3,
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E_RAIL_ASCEND_NORTH = 4,
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E_RAIL_ASCEND_SOUTH = 5,
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E_RAIL_CURVED_SOUTH_EAST = 6,
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E_RAIL_CURVED_SOUTH_WEST = 7,
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E_RAIL_CURVED_NORTH_WEST = 8,
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E_RAIL_CURVED_NORTH_EAST = 9
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};
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enum ENUM_PURE
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{
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E_PURE_UPDOWN = 0,
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E_PURE_DOWN = 1,
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E_PURE_NONE = 2
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};
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class cBlockRailHandler :
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public cBlockHandler
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{
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public:
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cBlockRailHandler(BLOCKTYPE a_BlockType)
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: cBlockHandler(a_BlockType)
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{
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}
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virtual void PlaceBlock(cWorld * a_World, cPlayer * a_Player, NIBBLETYPE a_BlockMeta, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Dir) override
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{
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a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, m_BlockType, FindMeta(a_World, a_BlockX, a_BlockY, a_BlockZ));
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OnPlacedByPlayer(a_World, a_Player, a_BlockX, a_BlockY, a_BlockZ, a_Dir);
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NeighborChanged(a_World, a_BlockX - 1, a_BlockY + 1, a_BlockZ);
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NeighborChanged(a_World, a_BlockX + 1, a_BlockY + 1, a_BlockZ);
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NeighborChanged(a_World, a_BlockX, a_BlockY + 1, a_BlockZ - 1);
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NeighborChanged(a_World, a_BlockX, a_BlockY + 1, a_BlockZ + 1);
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NeighborChanged(a_World, a_BlockX - 1, a_BlockY - 1, a_BlockZ);
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NeighborChanged(a_World, a_BlockX + 1, a_BlockY - 1, a_BlockZ);
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NeighborChanged(a_World, a_BlockX, a_BlockY - 1, a_BlockZ - 1);
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NeighborChanged(a_World, a_BlockX, a_BlockY - 1, a_BlockZ + 1);
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}
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virtual void OnNeighborChanged(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ) override
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{
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if(IsUnstable(a_World, a_BlockX, a_BlockY, a_BlockZ))
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a_World->FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, m_BlockType, FindMeta(a_World, a_BlockX, a_BlockY, a_BlockZ));
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}
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virtual bool CanBeAt(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ) override
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{
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if(!g_BlockIsSolid[a_World->GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ)])
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return false;
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char Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
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switch(Meta)
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{
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case E_RAIL_ASCEND_EAST:
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{
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if(!g_BlockIsSolid[a_World->GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ)])
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return false;
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break;
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}
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case E_RAIL_ASCEND_WEST:
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{
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if(!g_BlockIsSolid[a_World->GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ)])
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return false;
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break;
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}
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case E_RAIL_ASCEND_NORTH:
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{
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if(!g_BlockIsSolid[a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ - 1)])
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return false;
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break;
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}
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case E_RAIL_ASCEND_SOUTH:
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{
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if(!g_BlockIsSolid[a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1)])
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return false;
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break;
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}
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}
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return true;
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}
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char FindMeta(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ)
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{
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char Meta = 0;
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char RailsCnt = 0;
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bool Neighbors[8]; // 0 - EAST, 1 - WEST, 2 - NORTH, 3 - SOUTH, 4 - EAST UP, 5 - WEST UP, 6 - NORTH UP, 7 - SOUTH UP
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memset(Neighbors, false, sizeof(Neighbors));
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if(IsUnstable(a_World, a_BlockX + 1, a_BlockY, a_BlockZ) || !IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST, E_PURE_DOWN))
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Neighbors[0] = true;
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if(IsUnstable(a_World, a_BlockX - 1, a_BlockY, a_BlockZ) || !IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST, E_PURE_DOWN))
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Neighbors[1] = true;
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if(IsUnstable(a_World, a_BlockX, a_BlockY, a_BlockZ - 1) || !IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH, E_PURE_DOWN))
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Neighbors[2] = true;
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if(IsUnstable(a_World, a_BlockX, a_BlockY, a_BlockZ + 1) || !IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH, E_PURE_DOWN))
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Neighbors[3] = true;
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if(IsUnstable(a_World, a_BlockX + 1, a_BlockY + 1, a_BlockZ) || !IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_EAST, E_PURE_NONE))
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Neighbors[4] = true;
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if(IsUnstable(a_World, a_BlockX - 1, a_BlockY + 1, a_BlockZ) || !IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_WEST, E_PURE_NONE))
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Neighbors[5] = true;
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if(IsUnstable(a_World, a_BlockX, a_BlockY + 1, a_BlockZ - 1) || !IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_NORTH, E_PURE_NONE))
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Neighbors[6] = true;
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if(IsUnstable(a_World, a_BlockX, a_BlockY + 1, a_BlockZ + 1) || !IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_SOUTH, E_PURE_NONE))
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Neighbors[7] = true;
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if(IsUnstable(a_World, a_BlockX + 1, a_BlockY - 1, a_BlockZ) || !IsNotConnected(a_World, a_BlockX, a_BlockY - 1, a_BlockZ, BLOCK_FACE_EAST))
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Neighbors[0] = true;
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if(IsUnstable(a_World, a_BlockX - 1, a_BlockY - 1, a_BlockZ) || !IsNotConnected(a_World, a_BlockX, a_BlockY - 1, a_BlockZ, BLOCK_FACE_WEST))
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Neighbors[1] = true;
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if(IsUnstable(a_World, a_BlockX, a_BlockY - 1, a_BlockZ - 1) || !IsNotConnected(a_World, a_BlockX, a_BlockY - 1, a_BlockZ, BLOCK_FACE_NORTH))
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Neighbors[2] = true;
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if(IsUnstable(a_World, a_BlockX, a_BlockY - 1, a_BlockZ + 1) || !IsNotConnected(a_World, a_BlockX, a_BlockY - 1, a_BlockZ, BLOCK_FACE_SOUTH))
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Neighbors[3] = true;
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for(int i = 0; i < 8; i++)
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{
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if(Neighbors[i])
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{
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RailsCnt++;
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}
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}
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if(RailsCnt == 1)
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{
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if(Neighbors[7]) Meta = E_RAIL_ASCEND_SOUTH;
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else if(Neighbors[6]) Meta = E_RAIL_ASCEND_NORTH;
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else if(Neighbors[5]) Meta = E_RAIL_ASCEND_WEST;
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else if(Neighbors[4]) Meta = E_RAIL_ASCEND_EAST;
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else if(Neighbors[0] || Neighbors[1]) Meta = E_RAIL_EAST_WEST;
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else if(Neighbors[2] || Neighbors[3]) Meta = E_RAIL_NORTH_SOUTH;
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return Meta;
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}
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for(int i = 0; i < 4; i++)
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{
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if(Neighbors[i+4])
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{
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Neighbors[i] = true;
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}
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}
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if(RailsCnt > 1)
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{
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if(Neighbors[3] && Neighbors[0]) Meta = E_RAIL_CURVED_SOUTH_EAST;
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else if(Neighbors[3] && Neighbors[1]) Meta = E_RAIL_CURVED_SOUTH_WEST;
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else if(Neighbors[2] && Neighbors[0]) Meta = E_RAIL_CURVED_NORTH_EAST;
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else if(Neighbors[2] && Neighbors[1]) Meta = E_RAIL_CURVED_NORTH_WEST;
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else if(Neighbors[7] && Neighbors[2]) Meta = E_RAIL_ASCEND_SOUTH;
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else if(Neighbors[3] && Neighbors[6]) Meta = E_RAIL_ASCEND_NORTH;
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else if(Neighbors[5] && Neighbors[0]) Meta = E_RAIL_ASCEND_WEST;
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else if(Neighbors[4] && Neighbors[1]) Meta = E_RAIL_ASCEND_EAST;
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else if(Neighbors[0] && Neighbors[1]) Meta = E_RAIL_EAST_WEST;
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else if(Neighbors[2] && Neighbors[3]) Meta = E_RAIL_NORTH_SOUTH;
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}
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return Meta;
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}
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bool IsUnstable(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ)
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{
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if(a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_RAIL) return false;
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char Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
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switch(Meta)
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{
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case E_RAIL_NORTH_SOUTH:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH, E_PURE_DOWN) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH, E_PURE_DOWN)) return true;
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break;
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}
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case E_RAIL_EAST_WEST:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST, E_PURE_DOWN) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST, E_PURE_DOWN)) return true;
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break;
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}
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case E_RAIL_ASCEND_EAST:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_EAST) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST)) return true;
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break;
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}
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case E_RAIL_ASCEND_WEST:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_WEST)) return true;
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break;
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}
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case E_RAIL_ASCEND_NORTH:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_NORTH) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH)) return true;
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break;
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}
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case E_RAIL_ASCEND_SOUTH:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_SOUTH)) return true;
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break;
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}
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case E_RAIL_CURVED_SOUTH_EAST:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST)) return true;
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break;
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}
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case E_RAIL_CURVED_SOUTH_WEST:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST)) return true;
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break;
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}
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case E_RAIL_CURVED_NORTH_WEST:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST)) return true;
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break;
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}
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case E_RAIL_CURVED_NORTH_EAST:
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{
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if(IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH) ||
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IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST)) return true;
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break;
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}
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}
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return false;
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}
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bool IsNotConnected(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Direction, char a_Pure = 0)
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{
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AddDirection(a_BlockX, a_BlockY, a_BlockZ, a_Direction, false);
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char Meta;
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if(a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_RAIL)
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{
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if((a_World->GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ) != E_BLOCK_RAIL) || (a_Pure != E_PURE_UPDOWN))
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{
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if((a_World->GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ) != E_BLOCK_RAIL) || (a_Pure == E_PURE_NONE))
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{
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return true;
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}
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else
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{
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Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ);
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}
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}
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else
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{
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Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY + 1, a_BlockZ);
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}
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}
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else
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{
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Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
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}
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switch(a_Direction)
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{
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case BLOCK_FACE_NORTH:
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{
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if(Meta == E_RAIL_NORTH_SOUTH ||
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Meta == E_RAIL_ASCEND_NORTH ||
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Meta == E_RAIL_ASCEND_SOUTH ||
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Meta == E_RAIL_CURVED_SOUTH_EAST ||
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Meta == E_RAIL_CURVED_SOUTH_WEST)
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return false;
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break;
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}
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case BLOCK_FACE_SOUTH:
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{
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if(Meta == E_RAIL_NORTH_SOUTH ||
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Meta == E_RAIL_ASCEND_NORTH ||
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Meta == E_RAIL_ASCEND_SOUTH ||
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Meta == E_RAIL_CURVED_NORTH_EAST ||
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Meta == E_RAIL_CURVED_NORTH_WEST)
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return false;
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break;
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}
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case BLOCK_FACE_EAST:
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{
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if(Meta == E_RAIL_EAST_WEST ||
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Meta == E_RAIL_ASCEND_EAST ||
|
||
|
|
Meta == E_RAIL_ASCEND_WEST ||
|
||
|
|
Meta == E_RAIL_CURVED_SOUTH_WEST ||
|
||
|
|
Meta == E_RAIL_CURVED_NORTH_WEST)
|
||
|
|
return false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case BLOCK_FACE_WEST:
|
||
|
|
{
|
||
|
|
if(Meta == E_RAIL_EAST_WEST ||
|
||
|
|
Meta == E_RAIL_ASCEND_EAST ||
|
||
|
|
Meta == E_RAIL_ASCEND_WEST ||
|
||
|
|
Meta == E_RAIL_CURVED_SOUTH_EAST ||
|
||
|
|
Meta == E_RAIL_CURVED_NORTH_EAST)
|
||
|
|
return false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
} ;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|