From 53e22b11857fed62e2313d6d84d90f88ed412ffb Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Mon, 29 Jul 2013 12:13:03 +0100 Subject: Changed everyting to Unix line endings. --- source/Blocks/BlockRail.h | 842 +++++++++++++++++++++++----------------------- 1 file changed, 421 insertions(+), 421 deletions(-) (limited to 'source/Blocks/BlockRail.h') diff --git a/source/Blocks/BlockRail.h b/source/Blocks/BlockRail.h index 60865abf5..65d120923 100644 --- a/source/Blocks/BlockRail.h +++ b/source/Blocks/BlockRail.h @@ -1,421 +1,421 @@ - -#pragma once - -#include "BlockEntity.h" -#include "../World.h" - - - - - -/// Meta values for the rail -enum ENUM_RAIL_DIRECTIONS -{ - E_RAIL_NORTH_SOUTH = 0, - E_RAIL_EAST_WEST = 1, - E_RAIL_ASCEND_EAST = 2, - E_RAIL_ASCEND_WEST = 3, - E_RAIL_ASCEND_NORTH = 4, - E_RAIL_ASCEND_SOUTH = 5, - E_RAIL_CURVED_SOUTH_EAST = 6, - E_RAIL_CURVED_SOUTH_WEST = 7, - E_RAIL_CURVED_NORTH_WEST = 8, - E_RAIL_CURVED_NORTH_EAST = 9, - - // Some useful synonyms: - E_RAIL_DIR_X = E_RAIL_EAST_WEST, - E_RAIL_DIR_Z = E_RAIL_NORTH_SOUTH, - E_RAIL_ASCEND_XP = E_RAIL_ASCEND_EAST, - E_RAIL_ASCEND_XM = E_RAIL_ASCEND_WEST, - E_RAIL_ASCEND_ZM = E_RAIL_ASCEND_NORTH, - E_RAIL_ASCEND_ZP = E_RAIL_ASCEND_SOUTH, - E_RAIL_CURVED_XPZP = E_RAIL_CURVED_SOUTH_EAST, - E_RAIL_CURVED_XMZP = E_RAIL_CURVED_SOUTH_WEST, - E_RAIL_CURVED_XMZM = E_RAIL_CURVED_NORTH_WEST, - E_RAIL_CURVED_XPZM = E_RAIL_CURVED_NORTH_EAST, -} ; - - - - - -enum ENUM_PURE -{ - E_PURE_UPDOWN = 0, - E_PURE_DOWN = 1, - E_PURE_NONE = 2 -}; - - - - - -class cBlockRailHandler : - public cBlockHandler -{ -public: - cBlockRailHandler(BLOCKTYPE a_BlockType) - : cBlockHandler(a_BlockType) - { - } - - virtual bool GetPlacementBlockTypeMeta( - cWorld * a_World, cPlayer * a_Player, - int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, - int a_CursorX, int a_CursorY, int a_CursorZ, - BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta - ) override - { - a_BlockType = m_BlockType; - a_BlockMeta = FindMeta(a_World, a_BlockX, a_BlockY, a_BlockZ); - return true; - } - - - virtual void OnNeighborChanged(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ) override - { - NIBBLETYPE Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); - if (IsUnstable(a_World, a_BlockX, a_BlockY, a_BlockZ) && (Meta != FindMeta(a_World, a_BlockX, a_BlockY, a_BlockZ))) - { - a_World->FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, m_BlockType, FindMeta(a_World, a_BlockX, a_BlockY, a_BlockZ)); - } - } - - - virtual bool CanBeAt(int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override - { - if (a_RelY <= 0) - { - return false; - } - if (!g_BlockIsSolid[a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ)]) - { - return false; - } - - NIBBLETYPE Meta = a_Chunk.GetMeta(a_RelX, a_RelY, a_RelZ); - switch (Meta) - { - case E_RAIL_ASCEND_EAST: - case E_RAIL_ASCEND_WEST: - case E_RAIL_ASCEND_NORTH: - case E_RAIL_ASCEND_SOUTH: - { - // Mapping between the meta and the neighbors that need checking - Meta -= E_RAIL_ASCEND_EAST; // Base index at zero - static const struct - { - int x, z; - } Coords[] = - { - { 1, 0}, // east, XP - {-1, 0}, // west, XM - { 0, -1}, // north, ZM - { 0, 1}, // south, ZP - } ; - BLOCKTYPE BlockType; - NIBBLETYPE BlockMeta; - if (!a_Chunk.UnboundedRelGetBlock(a_RelX + Coords[Meta].x, a_RelY, a_RelZ + Coords[Meta].z, BlockType, BlockMeta)) - { - // Too close to the edge, cannot simulate - return true; - } - return g_BlockIsSolid[BlockType]; - } - } - return true; - } - - NIBBLETYPE FindMeta(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ) - { - NIBBLETYPE Meta = 0; - char RailsCnt = 0; - bool Neighbors[8]; // 0 - EAST, 1 - WEST, 2 - NORTH, 3 - SOUTH, 4 - EAST UP, 5 - WEST UP, 6 - NORTH UP, 7 - SOUTH UP - memset(Neighbors, false, sizeof(Neighbors)); - Neighbors[0] = (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)); - Neighbors[1] = (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)); - Neighbors[2] = (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)); - Neighbors[3] = (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)); - Neighbors[4] = (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)); - Neighbors[5] = (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)); - Neighbors[6] = (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)); - Neighbors[7] = (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)); - 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)) - Neighbors[0] = true; - 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)) - Neighbors[1] = true; - 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)) - Neighbors[2] = true; - 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)) - Neighbors[3] = true; - for (int i = 0; i < 8; i++) - { - if (Neighbors[i]) - { - RailsCnt++; - } - } - if (RailsCnt == 1) - { - if (Neighbors[7]) return E_RAIL_ASCEND_SOUTH; - else if (Neighbors[6]) return E_RAIL_ASCEND_NORTH; - else if (Neighbors[5]) return E_RAIL_ASCEND_WEST; - else if (Neighbors[4]) return E_RAIL_ASCEND_EAST; - else if (Neighbors[0] || Neighbors[1]) return E_RAIL_EAST_WEST; - else if (Neighbors[2] || Neighbors[3]) return E_RAIL_NORTH_SOUTH; - ASSERT(!"Weird neighbor count"); - return Meta; - } - for (int i = 0; i < 4; i++) - { - if (Neighbors[i + 4]) - { - Neighbors[i] = true; - } - } - if (RailsCnt > 1) - { - if (Neighbors[3] && Neighbors[0]) return E_RAIL_CURVED_SOUTH_EAST; - else if (Neighbors[3] && Neighbors[1]) return E_RAIL_CURVED_SOUTH_WEST; - else if (Neighbors[2] && Neighbors[0]) return E_RAIL_CURVED_NORTH_EAST; - else if (Neighbors[2] && Neighbors[1]) return E_RAIL_CURVED_NORTH_WEST; - else if (Neighbors[7] && Neighbors[2]) return E_RAIL_ASCEND_SOUTH; - else if (Neighbors[3] && Neighbors[6]) return E_RAIL_ASCEND_NORTH; - else if (Neighbors[5] && Neighbors[0]) return E_RAIL_ASCEND_WEST; - else if (Neighbors[4] && Neighbors[1]) return E_RAIL_ASCEND_EAST; - else if (Neighbors[0] && Neighbors[1]) return E_RAIL_EAST_WEST; - else if (Neighbors[2] && Neighbors[3]) return E_RAIL_NORTH_SOUTH; - ASSERT(!"Weird neighbor count"); - } - return Meta; - } - - - bool IsUnstable(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ) - { - if (a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_RAIL) - { - return false; - } - NIBBLETYPE Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); - switch (Meta) - { - case E_RAIL_NORTH_SOUTH: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH, E_PURE_DOWN) || - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH, E_PURE_DOWN) - ) - { - return true; - } - break; - } - - case E_RAIL_EAST_WEST: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST, E_PURE_DOWN) || - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST, E_PURE_DOWN) - ) - { - return true; - } - break; - } - - case E_RAIL_ASCEND_EAST: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_EAST) || - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST) - ) - { - return true; - } - break; - } - - case E_RAIL_ASCEND_WEST: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST) || - IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_WEST) - ) - { - return true; - } - break; - } - - case E_RAIL_ASCEND_NORTH: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_NORTH) || - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH) - ) - { - return true; - } - break; - } - - case E_RAIL_ASCEND_SOUTH: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH) || - IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_SOUTH) - ) - { - return true; - } - break; - } - - case E_RAIL_CURVED_SOUTH_EAST: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH) || - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST) - ) - { - return true; - } - break; - } - - case E_RAIL_CURVED_SOUTH_WEST: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH) || - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST) - ) - { - return true; - } - break; - } - - case E_RAIL_CURVED_NORTH_WEST: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH) || - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST) - ) - { - return true; - } - break; - } - - case E_RAIL_CURVED_NORTH_EAST: - { - if ( - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH) || - IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST) - ) - { - return true; - } - break; - } - } - return false; - } - - - bool IsNotConnected(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Pure = 0) - { - AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, false); - NIBBLETYPE Meta; - if (a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_RAIL) - { - if ((a_World->GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ) != E_BLOCK_RAIL) || (a_Pure != E_PURE_UPDOWN)) - { - if ((a_World->GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ) != E_BLOCK_RAIL) || (a_Pure == E_PURE_NONE)) - { - return true; - } - else - { - Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ); - } - } - else - { - Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY + 1, a_BlockZ); - } - } - else - { - Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); - } - - switch (a_BlockFace) - { - case BLOCK_FACE_NORTH: - { - if ( - (Meta == E_RAIL_NORTH_SOUTH) || - (Meta == E_RAIL_ASCEND_NORTH) || - (Meta == E_RAIL_ASCEND_SOUTH) || - (Meta == E_RAIL_CURVED_SOUTH_EAST) || - (Meta == E_RAIL_CURVED_SOUTH_WEST) - ) - { - return false; - } - break; - } - - case BLOCK_FACE_SOUTH: - { - if ( - (Meta == E_RAIL_NORTH_SOUTH) || - (Meta == E_RAIL_ASCEND_NORTH) || - (Meta == E_RAIL_ASCEND_SOUTH) || - (Meta == E_RAIL_CURVED_NORTH_EAST) || - (Meta == E_RAIL_CURVED_NORTH_WEST) - ) - { - return false; - } - break; - } - - case BLOCK_FACE_EAST: - { - if ( - (Meta == E_RAIL_EAST_WEST) || - (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; - } -} ; - - - - + +#pragma once + +#include "BlockEntity.h" +#include "../World.h" + + + + + +/// Meta values for the rail +enum ENUM_RAIL_DIRECTIONS +{ + E_RAIL_NORTH_SOUTH = 0, + E_RAIL_EAST_WEST = 1, + E_RAIL_ASCEND_EAST = 2, + E_RAIL_ASCEND_WEST = 3, + E_RAIL_ASCEND_NORTH = 4, + E_RAIL_ASCEND_SOUTH = 5, + E_RAIL_CURVED_SOUTH_EAST = 6, + E_RAIL_CURVED_SOUTH_WEST = 7, + E_RAIL_CURVED_NORTH_WEST = 8, + E_RAIL_CURVED_NORTH_EAST = 9, + + // Some useful synonyms: + E_RAIL_DIR_X = E_RAIL_EAST_WEST, + E_RAIL_DIR_Z = E_RAIL_NORTH_SOUTH, + E_RAIL_ASCEND_XP = E_RAIL_ASCEND_EAST, + E_RAIL_ASCEND_XM = E_RAIL_ASCEND_WEST, + E_RAIL_ASCEND_ZM = E_RAIL_ASCEND_NORTH, + E_RAIL_ASCEND_ZP = E_RAIL_ASCEND_SOUTH, + E_RAIL_CURVED_XPZP = E_RAIL_CURVED_SOUTH_EAST, + E_RAIL_CURVED_XMZP = E_RAIL_CURVED_SOUTH_WEST, + E_RAIL_CURVED_XMZM = E_RAIL_CURVED_NORTH_WEST, + E_RAIL_CURVED_XPZM = E_RAIL_CURVED_NORTH_EAST, +} ; + + + + + +enum ENUM_PURE +{ + E_PURE_UPDOWN = 0, + E_PURE_DOWN = 1, + E_PURE_NONE = 2 +}; + + + + + +class cBlockRailHandler : + public cBlockHandler +{ +public: + cBlockRailHandler(BLOCKTYPE a_BlockType) + : cBlockHandler(a_BlockType) + { + } + + virtual bool GetPlacementBlockTypeMeta( + cWorld * a_World, cPlayer * a_Player, + int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, + int a_CursorX, int a_CursorY, int a_CursorZ, + BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta + ) override + { + a_BlockType = m_BlockType; + a_BlockMeta = FindMeta(a_World, a_BlockX, a_BlockY, a_BlockZ); + return true; + } + + + virtual void OnNeighborChanged(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ) override + { + NIBBLETYPE Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); + if (IsUnstable(a_World, a_BlockX, a_BlockY, a_BlockZ) && (Meta != FindMeta(a_World, a_BlockX, a_BlockY, a_BlockZ))) + { + a_World->FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, m_BlockType, FindMeta(a_World, a_BlockX, a_BlockY, a_BlockZ)); + } + } + + + virtual bool CanBeAt(int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override + { + if (a_RelY <= 0) + { + return false; + } + if (!g_BlockIsSolid[a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ)]) + { + return false; + } + + NIBBLETYPE Meta = a_Chunk.GetMeta(a_RelX, a_RelY, a_RelZ); + switch (Meta) + { + case E_RAIL_ASCEND_EAST: + case E_RAIL_ASCEND_WEST: + case E_RAIL_ASCEND_NORTH: + case E_RAIL_ASCEND_SOUTH: + { + // Mapping between the meta and the neighbors that need checking + Meta -= E_RAIL_ASCEND_EAST; // Base index at zero + static const struct + { + int x, z; + } Coords[] = + { + { 1, 0}, // east, XP + {-1, 0}, // west, XM + { 0, -1}, // north, ZM + { 0, 1}, // south, ZP + } ; + BLOCKTYPE BlockType; + NIBBLETYPE BlockMeta; + if (!a_Chunk.UnboundedRelGetBlock(a_RelX + Coords[Meta].x, a_RelY, a_RelZ + Coords[Meta].z, BlockType, BlockMeta)) + { + // Too close to the edge, cannot simulate + return true; + } + return g_BlockIsSolid[BlockType]; + } + } + return true; + } + + NIBBLETYPE FindMeta(cWorld *a_World, int a_BlockX, int a_BlockY, int a_BlockZ) + { + NIBBLETYPE Meta = 0; + char RailsCnt = 0; + bool Neighbors[8]; // 0 - EAST, 1 - WEST, 2 - NORTH, 3 - SOUTH, 4 - EAST UP, 5 - WEST UP, 6 - NORTH UP, 7 - SOUTH UP + memset(Neighbors, false, sizeof(Neighbors)); + Neighbors[0] = (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)); + Neighbors[1] = (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)); + Neighbors[2] = (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)); + Neighbors[3] = (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)); + Neighbors[4] = (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)); + Neighbors[5] = (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)); + Neighbors[6] = (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)); + Neighbors[7] = (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)); + 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)) + Neighbors[0] = true; + 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)) + Neighbors[1] = true; + 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)) + Neighbors[2] = true; + 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)) + Neighbors[3] = true; + for (int i = 0; i < 8; i++) + { + if (Neighbors[i]) + { + RailsCnt++; + } + } + if (RailsCnt == 1) + { + if (Neighbors[7]) return E_RAIL_ASCEND_SOUTH; + else if (Neighbors[6]) return E_RAIL_ASCEND_NORTH; + else if (Neighbors[5]) return E_RAIL_ASCEND_WEST; + else if (Neighbors[4]) return E_RAIL_ASCEND_EAST; + else if (Neighbors[0] || Neighbors[1]) return E_RAIL_EAST_WEST; + else if (Neighbors[2] || Neighbors[3]) return E_RAIL_NORTH_SOUTH; + ASSERT(!"Weird neighbor count"); + return Meta; + } + for (int i = 0; i < 4; i++) + { + if (Neighbors[i + 4]) + { + Neighbors[i] = true; + } + } + if (RailsCnt > 1) + { + if (Neighbors[3] && Neighbors[0]) return E_RAIL_CURVED_SOUTH_EAST; + else if (Neighbors[3] && Neighbors[1]) return E_RAIL_CURVED_SOUTH_WEST; + else if (Neighbors[2] && Neighbors[0]) return E_RAIL_CURVED_NORTH_EAST; + else if (Neighbors[2] && Neighbors[1]) return E_RAIL_CURVED_NORTH_WEST; + else if (Neighbors[7] && Neighbors[2]) return E_RAIL_ASCEND_SOUTH; + else if (Neighbors[3] && Neighbors[6]) return E_RAIL_ASCEND_NORTH; + else if (Neighbors[5] && Neighbors[0]) return E_RAIL_ASCEND_WEST; + else if (Neighbors[4] && Neighbors[1]) return E_RAIL_ASCEND_EAST; + else if (Neighbors[0] && Neighbors[1]) return E_RAIL_EAST_WEST; + else if (Neighbors[2] && Neighbors[3]) return E_RAIL_NORTH_SOUTH; + ASSERT(!"Weird neighbor count"); + } + return Meta; + } + + + bool IsUnstable(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ) + { + if (a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_RAIL) + { + return false; + } + NIBBLETYPE Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); + switch (Meta) + { + case E_RAIL_NORTH_SOUTH: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH, E_PURE_DOWN) || + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH, E_PURE_DOWN) + ) + { + return true; + } + break; + } + + case E_RAIL_EAST_WEST: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST, E_PURE_DOWN) || + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST, E_PURE_DOWN) + ) + { + return true; + } + break; + } + + case E_RAIL_ASCEND_EAST: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_EAST) || + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST) + ) + { + return true; + } + break; + } + + case E_RAIL_ASCEND_WEST: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST) || + IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_WEST) + ) + { + return true; + } + break; + } + + case E_RAIL_ASCEND_NORTH: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_NORTH) || + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH) + ) + { + return true; + } + break; + } + + case E_RAIL_ASCEND_SOUTH: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH) || + IsNotConnected(a_World, a_BlockX, a_BlockY + 1, a_BlockZ, BLOCK_FACE_SOUTH) + ) + { + return true; + } + break; + } + + case E_RAIL_CURVED_SOUTH_EAST: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH) || + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST) + ) + { + return true; + } + break; + } + + case E_RAIL_CURVED_SOUTH_WEST: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_SOUTH) || + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST) + ) + { + return true; + } + break; + } + + case E_RAIL_CURVED_NORTH_WEST: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH) || + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_WEST) + ) + { + return true; + } + break; + } + + case E_RAIL_CURVED_NORTH_EAST: + { + if ( + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_NORTH) || + IsNotConnected(a_World, a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_EAST) + ) + { + return true; + } + break; + } + } + return false; + } + + + bool IsNotConnected(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Pure = 0) + { + AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, false); + NIBBLETYPE Meta; + if (a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_RAIL) + { + if ((a_World->GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ) != E_BLOCK_RAIL) || (a_Pure != E_PURE_UPDOWN)) + { + if ((a_World->GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ) != E_BLOCK_RAIL) || (a_Pure == E_PURE_NONE)) + { + return true; + } + else + { + Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ); + } + } + else + { + Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY + 1, a_BlockZ); + } + } + else + { + Meta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); + } + + switch (a_BlockFace) + { + case BLOCK_FACE_NORTH: + { + if ( + (Meta == E_RAIL_NORTH_SOUTH) || + (Meta == E_RAIL_ASCEND_NORTH) || + (Meta == E_RAIL_ASCEND_SOUTH) || + (Meta == E_RAIL_CURVED_SOUTH_EAST) || + (Meta == E_RAIL_CURVED_SOUTH_WEST) + ) + { + return false; + } + break; + } + + case BLOCK_FACE_SOUTH: + { + if ( + (Meta == E_RAIL_NORTH_SOUTH) || + (Meta == E_RAIL_ASCEND_NORTH) || + (Meta == E_RAIL_ASCEND_SOUTH) || + (Meta == E_RAIL_CURVED_NORTH_EAST) || + (Meta == E_RAIL_CURVED_NORTH_WEST) + ) + { + return false; + } + break; + } + + case BLOCK_FACE_EAST: + { + if ( + (Meta == E_RAIL_EAST_WEST) || + (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; + } +} ; + + + + -- cgit v1.2.3