dfhack/library/TileTypes.cpp

/*
https://github.com/peterix/dfhack
Copyright (c) 2009-2011 Petr Mrázek (peterix@gmail.com)

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.

Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation
would be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.

3. This notice may not be removed or altered from any source
distribution.
*/

#include "Internal.h"
#include "TileTypes.h"
#include "Export.h"

namespace DFHack
{
    const TileRow tileTypeTable[TILE_TYPE_ARRAY_LENGTH] =
    {
        // 0x000
        { "void", tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "ramp top", RAMP_TOP, AIR, VAR_1 },
        { "murky pool", POOL, SOIL, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x010
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "driftwood", FLOOR, DRIFTWOOD, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { "tree", TREE_OK, SOIL, VAR_1 },
        { "ice stair up/down", STAIR_UPDOWN, ICE, VAR_1 },
        { "ice stair down", STAIR_DOWN, ICE, VAR_1 },
        { "ice stair up", STAIR_UP, ICE, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x020
        { "empty space", EMPTY, AIR, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "shrub", SHRUB_OK, SOIL, VAR_1 },
        { "chasm", ENDLESS_PIT, AIR, VAR_1 },
        { "obsidian stair up/down", STAIR_UPDOWN, OBSIDIAN, VAR_1 },
        { "obsidian stair down", STAIR_DOWN, OBSIDIAN, VAR_1 },
        { "obsidian stair up", STAIR_UP, OBSIDIAN, VAR_1 },
        { "soil stair up/down", STAIR_UPDOWN, SOIL, VAR_1 },
        { "soil stair down", STAIR_DOWN, SOIL, VAR_1 },
        { "soil stair up", STAIR_UP, SOIL, VAR_1 },
        { "eerie pit", ENDLESS_PIT, HFS, VAR_1 },
        { "smooth stone floor", FLOOR, STONE, VAR_1, TILE_SMOOTH },
        { "smooth obsidian floor", FLOOR, OBSIDIAN, VAR_1, TILE_SMOOTH },
        { "smooth featstone floor", FLOOR, FEATSTONE, VAR_1, TILE_SMOOTH },
        { "smooth vein floor", FLOOR, VEIN, VAR_1, TILE_SMOOTH },
        { "smooth ice floor", FLOOR, ICE, VAR_1, TILE_SMOOTH },

        // 0x030
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "light grass stair up/down", STAIR_UPDOWN, GRASS, VAR_1 },
        { "light grass stair down", STAIR_DOWN, GRASS, VAR_1 },
        { "light grass stair up", STAIR_UP, GRASS, VAR_1 },
        { "dark grass stair up/down", STAIR_UPDOWN, GRASS2, VAR_1 },
        { "dark grass stair down", STAIR_DOWN, GRASS2, VAR_1 },
        { "dark grass stair up", STAIR_UP, GRASS2, VAR_1 },
        { "stone stair up/down", STAIR_UPDOWN, STONE, VAR_1 },

        { "stone stair down", STAIR_DOWN, STONE, VAR_1 },
        { "stone stair up", STAIR_UP, STONE, VAR_1 },
        { "vein stair up/down", STAIR_UPDOWN, VEIN, VAR_1 },
        { "vein stair down", STAIR_DOWN, VEIN, VAR_1 },
        { "vein stair up", STAIR_UP, VEIN, VAR_1 },
        { "featstone stair up/down", STAIR_UPDOWN, FEATSTONE, VAR_1 },
        { "featstone stair down", STAIR_DOWN, FEATSTONE, VAR_1 },
        { "featstone stair up", STAIR_UP, FEATSTONE, VAR_1 },

        // 0x040
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "stone fortification", FORTIFICATION, STONE, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "campfire", FLOOR, CAMPFIRE, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "fire", FLOOR, FIRE, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "stone pillar", PILLAR, STONE, VAR_1 },

        // 0x050
        { "obsidian pillar", PILLAR, OBSIDIAN, VAR_1, TILE_SMOOTH },
        { "featstone pillar", PILLAR, FEATSTONE, VAR_1, TILE_SMOOTH },
        { "vein pillar", PILLAR, VEIN, VAR_1, TILE_SMOOTH },
        { "ice pillar", PILLAR, ICE, VAR_1, TILE_SMOOTH },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "waterfall", FLOOR, SOIL, VAR_1, TILE_WATERFALL }, // verify material
        { "river source", FLOOR, SOIL, VAR_1, TILE_RIVER_SOURCE }, // verify material
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x060
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x070
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x080
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x090
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x0A0
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x0B0
        { "cracked stone wall", WALL, STONE, VAR_1, TILE_CRACKED },
        { "damaged stone wall", WALL, STONE, VAR_1, TILE_DAMAGED },
        { "worn stone wall", WALL, STONE, VAR_1, TILE_WORN },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x0C0
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x0D0
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "stone wall", WALL, STONE, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x0E0
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "sapling", SAPLING_OK, SOIL, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "dry grass ramp", RAMP, GRASS_DRY, VAR_1 },
        { "dead grass ramp", RAMP, GRASS_DEAD, VAR_1 },
        { "light grass ramp", RAMP, GRASS, VAR_1 },
        { "dark grass ramp", RAMP, GRASS2, VAR_1 },
        { "stone ramp", RAMP, STONE, VAR_1 },
        { "obsidian ramp", RAMP, OBSIDIAN, VAR_1 },
        { "featstone ramp", RAMP, FEATSTONE, VAR_1 },

        // 0x0F0
        { "vein ramp", RAMP, VEIN, VAR_1 },
        { "soil ramp", RAMP, SOIL, VAR_1 },
        { "ashes", FLOOR, ASHES, VAR_1 },
        { "ashes", FLOOR, ASHES, VAR_2 },
        { "ashes", FLOOR, ASHES, VAR_3 },
        { "ice ramp", RAMP, ICE, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x100
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "ice floor", FLOOR, ICE, VAR_2 },
        { "ice floor", FLOOR, ICE, VAR_3 },
        { "ice floor", FLOOR, ICE, VAR_4 },
        { "furrowed soil", FLOOR, SOIL, VAR_1 },
        { "ice floor", FLOOR, ICE, VAR_1 },
        { "semi-molten rock", WALL, MAGMA, VAR_1 }, // unminable magma wall

        { "magma flow", FLOOR, MAGMA, VAR_1 },
        { "soil wall", WALL, SOIL, VAR_1 },
        { "glowing barrier", WALL, CYAN_GLOW, VAR_1 },
        { "glowing floor", FLOOR, CYAN_GLOW, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "smooth obsidian wall RD2", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "--SS--E-" },
        { "smooth obsidian wall R2D", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "--S---EE" },
        { "smooth obsidian wall R2U", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "N-----EE" },

        // 0x110
        { "smooth obsidian wall RU2", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "NN----E-" },
        { "smooth obsidian wall L2U", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "N---WW--" },
        { "smooth obsidian wall LU2", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "NN--W---" },
        { "smooth obsidian wall L2D", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "--S-WW--" },
        { "smooth obsidian wall LD2", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "--SSW---" },
        { "smooth obsidian wall LRUD", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "N-S-W-E-" },
        { "smooth obsidian wall RUD", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "N-S---E-" },
        { "smooth obsidian wall LRD", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "--S-W-E-" },

        { "smooth obsidian wall LRU", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "N---W-E-" },
        { "smooth obsidian wall LUD", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "N-S-W---" },
        { "smooth obsidian wall RD", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "--S---E-" },
        { "smooth obsidian wall RU", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "N-----E-" },
        { "smooth obsidian wall LU", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "N---W---" },
        { "smooth obsidian wall LD", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "--S-W---" },
        { "smooth obsidian wall UD", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "N-S-----" },
        { "smooth obsidian wall LR", WALL, OBSIDIAN, VAR_1, TILE_SMOOTH, "----W-E-" },

        // 0x120
        { "smooth featstone wall RD2", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "--SS--E-" },
        { "smooth featstone wall R2D", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "--S---EE" },
        { "smooth featstone wall R2U", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "N-----EE" },
        { "smooth featstone wall RU2", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "NN----E-" },
        { "smooth featstone wall L2U", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "N---WW--" },
        { "smooth featstone wall LU2", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "NN--W---" },
        { "smooth featstone wall L2D", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "--S-WW--" },
        { "smooth featstone wall LD2", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "--SSW---" },

        { "smooth featstone wall LRUD", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "N-S-W-E-" },
        { "smooth featstone wall RUD", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "N-S---E-" },
        { "smooth featstone wall LRD", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "--S-W-E-" },
        { "smooth featstone wall LRU", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "N---W-E-" },
        { "smooth featstone wall LUD", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "N-S-W---" },
        { "smooth featstone wall RD", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "--S---E-" },
        { "smooth featstone wall RU", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "N-----E-" },
        { "smooth featstone wall LU", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "N---W---" },

        // 0x130
        { "smooth featstone wall LD", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "--S-W---" },
        { "smooth featstone wall UD", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "N-S-----" },
        { "smooth featstone wall LR", WALL, FEATSTONE, VAR_1, TILE_SMOOTH, "----W-E-" },
        { "smooth stone wall RD2", WALL, STONE, VAR_1, TILE_SMOOTH, "--SS--E-" },
        { "smooth stone wall R2D", WALL, STONE, VAR_1, TILE_SMOOTH, "--S---EE" },
        { "smooth stone wall R2U", WALL, STONE, VAR_1, TILE_SMOOTH, "N-----EE" },
        { "smooth stone wall RU2", WALL, STONE, VAR_1, TILE_SMOOTH, "NN----E-" },
        { "smooth stone wall L2U", WALL, STONE, VAR_1, TILE_SMOOTH, "N---WW--" },

        { "smooth stone wall LU2", WALL, STONE, VAR_1, TILE_SMOOTH, "NN--W---" },
        { "smooth stone wall L2D", WALL, STONE, VAR_1, TILE_SMOOTH, "--S-WW--" },
        { "smooth stone wall LD2", WALL, STONE, VAR_1, TILE_SMOOTH, "--SSW---" },
        { "smooth stone wall LRUD", WALL, STONE, VAR_1, TILE_SMOOTH, "N-S-W-E-" },
        { "smooth stone wall RUD", WALL, STONE, VAR_1, TILE_SMOOTH, "N-S---E-" },
        { "smooth stone wall LRD", WALL, STONE, VAR_1, TILE_SMOOTH, "--S-W-E-" },
        { "smooth stone wall LRU", WALL, STONE, VAR_1, TILE_SMOOTH, "N---W-E-" },
        { "smooth stone wall LUD", WALL, STONE, VAR_1, TILE_SMOOTH, "N-S-W---" },

        // 0x140
        { "smooth stone wall RD", WALL, STONE, VAR_1, TILE_SMOOTH, "--S---E-" },
        { "smooth stone wall RU", WALL, STONE, VAR_1, TILE_SMOOTH, "N-----E-" },
        { "smooth stone wall LU", WALL, STONE, VAR_1, TILE_SMOOTH, "N---W---" },
        { "smooth stone wall LD", WALL, STONE, VAR_1, TILE_SMOOTH, "--S-W---" },
        { "smooth stone wall UD", WALL, STONE, VAR_1, TILE_SMOOTH, "N-S-----" },
        { "smooth stone wall LR", WALL, STONE, VAR_1, TILE_SMOOTH, "----W-E-" },
        { "obsidian fortification", FORTIFICATION, OBSIDIAN, VAR_1 },
        { "featstone fortification", FORTIFICATION, FEATSTONE, VAR_1 },

        { "cracked obsidian wall", WALL, OBSIDIAN, VAR_1, TILE_CRACKED },
        { "damaged obsidian wall", WALL, OBSIDIAN, VAR_1, TILE_DAMAGED },
        { "worn obsidian wall", WALL, OBSIDIAN, VAR_1, TILE_WORN },
        { "obsidian wall", WALL, OBSIDIAN, VAR_1 },
        { "cracked featstone wall", WALL, FEATSTONE, VAR_1, TILE_CRACKED },
        { "damaged featstone wall", WALL, FEATSTONE, VAR_1, TILE_DAMAGED },
        { "worn featstone wall", WALL, FEATSTONE, VAR_1, TILE_WORN },
        { "featstone wall", WALL, FEATSTONE, VAR_1 },

        // 0x150
        { "stone floor 1", FLOOR, STONE, VAR_1 },
        { "stone floor 2", FLOOR, STONE, VAR_2 },
        { "stone floor 3", FLOOR, STONE, VAR_3 },
        { "stone floor 4", FLOOR, STONE, VAR_4 },
        { "obsidian floor 1", FLOOR, OBSIDIAN, VAR_1 },
        { "obsidian floor 2", FLOOR, OBSIDIAN, VAR_2 },
        { "obsidian floor 3", FLOOR, OBSIDIAN, VAR_3 },
        { "obsidian floor 4", FLOOR, OBSIDIAN, VAR_4 },

        { "featstone floor 1", FLOOR, FEATSTONE, VAR_1 },
        { "featstone floor 2", FLOOR, FEATSTONE, VAR_2 },
        { "featstone floor 3", FLOOR, FEATSTONE, VAR_3 },
        { "featstone floor 4", FLOOR, FEATSTONE, VAR_4 },
        { "dark grass 1", FLOOR, GRASS2, VAR_1 },
        { "dark grass 2", FLOOR, GRASS2, VAR_2 },
        { "dark grass 3", FLOOR, GRASS2, VAR_3 },
        { "dark grass 4", FLOOR, GRASS2, VAR_4 },

        // 0x160
        { "soil floor 1", FLOOR, SOIL, VAR_1 },
        { "soil floor 2", FLOOR, SOIL, VAR_2 },
        { "soil floor 3", FLOOR, SOIL, VAR_3 },
        { "soil floor 4", FLOOR, SOIL, VAR_4 },
        { "wet soil floor 1", FLOOR, SOIL, VAR_1 },
        { "wet soil floor 2", FLOOR, SOIL, VAR_2 },
        { "wet soil floor 3", FLOOR, SOIL, VAR_3 },
        { "wet soil floor 4", FLOOR, SOIL, VAR_4 },

        { "ice fortification", FORTIFICATION, ICE, VAR_1 },
        { "cracked ice wall", WALL, ICE, VAR_1, TILE_CRACKED },
        { "damaged ice wall", WALL, ICE, VAR_1, TILE_DAMAGED },
        { "worn ice wall", WALL, ICE, VAR_1, TILE_WORN },
        { "ice wall", WALL, ICE, VAR_1 },
        { "river N", RIVER_BED, SOIL, VAR_1, TILE_NORMAL, "N" },
        { "river S", RIVER_BED, SOIL, VAR_1, TILE_NORMAL, "S" },
        { "river E", RIVER_BED, SOIL, VAR_1, TILE_NORMAL, "E" },

        // 0x170
        { "river W", RIVER_BED, SOIL, VAR_1, TILE_NORMAL, "W" },
        { "river NW", RIVER_BED, SOIL, VAR_1, TILE_NORMAL, "NW" },
        { "river NE", RIVER_BED, SOIL, VAR_1, TILE_NORMAL, "NE" },
        { "river SW", RIVER_BED, SOIL, VAR_1, TILE_NORMAL, "SW" },
        { "river SE", RIVER_BED, SOIL, VAR_1, TILE_NORMAL, "SE" },
        { "brook bed N", BROOK_BED, SOIL, VAR_1, TILE_NORMAL, "N" },
        { "brook bed S", BROOK_BED, SOIL, VAR_1, TILE_NORMAL, "S" },
        { "brook bed E", BROOK_BED, SOIL, VAR_1, TILE_NORMAL, "E" },

        { "brook bed W", BROOK_BED, SOIL, VAR_1, TILE_NORMAL, "W" },
        { "brook bed NW", BROOK_BED, SOIL, VAR_1, TILE_NORMAL, "NW" },
        { "brook bed NE", BROOK_BED, SOIL, VAR_1, TILE_NORMAL, "NE" },
        { "brook bed SW", BROOK_BED, SOIL, VAR_1, TILE_NORMAL, "SW" },
        { "brook bed SE", BROOK_BED, SOIL, VAR_1, TILE_NORMAL, "SE" },
        { "brook top", BROOK_TOP, SOIL, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x180
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "dry grass 1", FLOOR, GRASS_DRY, VAR_1 },
        { "dry grass 2", FLOOR, GRASS_DRY, VAR_2 },
        { "dry grass 3", FLOOR, GRASS_DRY, VAR_3 },
        { "dry grass 4", FLOOR, GRASS_DRY, VAR_4 },
        { "dead tree", TREE_DEAD, SOIL, VAR_1 },

        { "dead sapling", SAPLING_DEAD, SOIL, VAR_1 },
        { "dead shrub", SHRUB_DEAD, SOIL, VAR_1 },
        { "dead grass 1", FLOOR, GRASS_DEAD, VAR_1 },
        { "dead grass 2", FLOOR, GRASS_DEAD, VAR_2 },
        { "dead grass 3", FLOOR, GRASS_DEAD, VAR_3 },
        { "dead grass 4", FLOOR, GRASS_DEAD, VAR_4 },
        { "light grass 1", FLOOR, GRASS, VAR_1 },
        { "light grass 2", FLOOR, GRASS, VAR_2 },

        // 0x190
        { "light grass 3", FLOOR, GRASS, VAR_3 },
        { "light grass 4", FLOOR, GRASS, VAR_4 },
        { "boulder", BOULDER, STONE, VAR_1 },
        { "obsidian boulder", BOULDER, OBSIDIAN, VAR_1 },
        { "featstone boulder", BOULDER, FEATSTONE, VAR_1 },
        { "stone pebbles 1", PEBBLES, STONE, VAR_1 },
        { "stone pebbles 2", PEBBLES, STONE, VAR_2 },
        { "stone pebbles 3", PEBBLES, STONE, VAR_3 },

        { "stone pebbles 4", PEBBLES, STONE, VAR_4 },
        { "obsidian pebbles 1", PEBBLES, OBSIDIAN, VAR_1 },
        { "obsidian pebbles 2", PEBBLES, OBSIDIAN, VAR_2 },
        { "obsidian pebbles 3", PEBBLES, OBSIDIAN, VAR_3 },
        { "obsidian pebbles 4", PEBBLES, OBSIDIAN, VAR_4 },
        { "featstone pebbles 1", PEBBLES, FEATSTONE, VAR_1 },
        { "featstone pebbles 2", PEBBLES, FEATSTONE, VAR_2 },
        { "featstone pebbles 3", PEBBLES, FEATSTONE, VAR_3 },

        // 0x1A0
        { "featstone pebbles 4", PEBBLES, FEATSTONE, VAR_4 },
        { "smooth vein wall RD2", WALL, VEIN, VAR_1, TILE_SMOOTH, "--SS--E-" },
        { "smooth vein wall R2D", WALL, VEIN, VAR_1, TILE_SMOOTH, "--S---EE" },
        { "smooth vein wall R2U", WALL, VEIN, VAR_1, TILE_SMOOTH, "N-----EE" },
        { "smooth vein wall RU2", WALL, VEIN, VAR_1, TILE_SMOOTH, "NN----E-" },
        { "smooth vein wall L2U", WALL, VEIN, VAR_1, TILE_SMOOTH, "N---WW--" },
        { "smooth vein wall LU2", WALL, VEIN, VAR_1, TILE_SMOOTH, "NN--W---" },
        { "smooth vein wall L2D", WALL, VEIN, VAR_1, TILE_SMOOTH, "--S-WW--" },

        { "smooth vein wall LD2", WALL, VEIN, VAR_1, TILE_SMOOTH, "--SSW---" },
        { "smooth vein wall LRUD", WALL, VEIN, VAR_1, TILE_SMOOTH, "N-S-W-E-" },
        { "smooth vein wall RUD", WALL, VEIN, VAR_1, TILE_SMOOTH, "N-S---E-" },
        { "smooth vein wall LRD", WALL, VEIN, VAR_1, TILE_SMOOTH, "--S-W-E-" },
        { "smooth vein wall LRU", WALL, VEIN, VAR_1, TILE_SMOOTH, "N---W-E-" },
        { "smooth vein wall LUD", WALL, VEIN, VAR_1, TILE_SMOOTH, "N-S-W---" },
        { "smooth vein wall RD", WALL, VEIN, VAR_1, TILE_SMOOTH, "--S---E-" },
        { "smooth vein wall RU", WALL, VEIN, VAR_1, TILE_SMOOTH, "N-----E-" },

        // 0x1B0
        { "smooth vein wall LU", WALL, VEIN, VAR_1, TILE_SMOOTH, "N---W---" },
        { "smooth vein wall LD", WALL, VEIN, VAR_1, TILE_SMOOTH, "--S-W---" },
        { "smooth vein wall UD", WALL, VEIN, VAR_1, TILE_SMOOTH, "N-S-----" },
        { "smooth vein wall LR", WALL, VEIN, VAR_1, TILE_SMOOTH, "----W-E-" },
        { "vein fortification", FORTIFICATION, VEIN, VAR_1 },
        { "cracked vein wall", WALL, VEIN, VAR_1, TILE_CRACKED },
        { "damaged vein wall", WALL, VEIN, VAR_1, TILE_DAMAGED },
        { "worn vein wall", WALL, VEIN, VAR_1, TILE_WORN },

        { "vein wall", WALL, VEIN, VAR_1 },
        { "vein floor 1", FLOOR, VEIN, VAR_1 },
        { "vein floor 2", FLOOR, VEIN, VAR_2 },
        { "vein floor 3", FLOOR, VEIN, VAR_3 },
        { "vein floor 4", FLOOR, VEIN, VAR_4 },
        { "vein boulder", BOULDER, VEIN, VAR_1 },
        { "vein pebbles 1", PEBBLES, VEIN, VAR_1 },
        { "vein pebbles 2", PEBBLES, VEIN, VAR_2 },

        // 0x1C0
        { "vein pebbles 3", PEBBLES, VEIN, VAR_3 },
        { "vein pebbles 4", PEBBLES, VEIN, VAR_4 },
        { "smooth ice wall RD2", WALL, ICE, VAR_1, TILE_SMOOTH, "--SS--E-" },
        { "smooth ice wall R2D", WALL, ICE, VAR_1, TILE_SMOOTH, "--S---EE" },
        { "smooth ice wall R2U", WALL, ICE, VAR_1, TILE_SMOOTH, "N-----EE" },
        { "smooth ice wall RU2", WALL, ICE, VAR_1, TILE_SMOOTH, "NN----E-" },
        { "smooth ice wall L2U", WALL, ICE, VAR_1, TILE_SMOOTH, "N---WW--" },
        { "smooth ice wall LU2", WALL, ICE, VAR_1, TILE_SMOOTH, "NN--W---" },

        { "smooth ice wall L2D", WALL, ICE, VAR_1, TILE_SMOOTH, "--S-WW--" },
        { "smooth ice wall LD2", WALL, ICE, VAR_1, TILE_SMOOTH, "--SSW---" },
        { "smooth ice wall LRUD", WALL, ICE, VAR_1, TILE_SMOOTH, "N-S-W-E-" },
        { "smooth ice wall RUD", WALL, ICE, VAR_1, TILE_SMOOTH, "N-S---E-" },
        { "smooth ice wall LRD", WALL, ICE, VAR_1, TILE_SMOOTH, "--S-W-E-" },
        { "smooth ice wall LRU", WALL, ICE, VAR_1, TILE_SMOOTH, "N---W-E-" },
        { "smooth ice wall LUD", WALL, ICE, VAR_1, TILE_SMOOTH, "N-S-W---" },
        { "smooth ice wall RD", WALL, ICE, VAR_1, TILE_SMOOTH, "--S---E-" },

        // 0x1D0
        { "smooth ice wall RU", WALL, ICE, VAR_1, TILE_SMOOTH, "N-----E-" },
        { "smooth ice wall LU", WALL, ICE, VAR_1, TILE_SMOOTH, "N---W---" },
        { "smooth ice wall LD", WALL, ICE, VAR_1, TILE_SMOOTH, "--S-W---" },
        { "smooth ice wall UD", WALL, ICE, VAR_1, TILE_SMOOTH, "N-S-----" },
        { "smooth ice wall LR", WALL, ICE, VAR_1, TILE_SMOOTH, "----W-E-" },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        // 0x1E0
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },

        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 },
        { "constructed floor", FLOOR, CONSTRUCTED, VAR_1 },
        { "constructed fortification", FORTIFICATION, CONSTRUCTED, VAR_1 },
        { "constructed pillar", PILLAR, CONSTRUCTED, VAR_1 },

        // 0x1F0
        { "constructed wall RD2", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "--SS--E-" },
        { "constructed wall R2D", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "--S---EE" },
        { "constructed wall R2U", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "N-----EE" },
        { "constructed wall RU2", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "NN----E-" },
        { "constructed wall L2U", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "N---WW--" },
        { "constructed wall LU2", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "NN--W---" },
        { "constructed wall L2D", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "--S-WW--" },
        { "constructed wall LD2", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "--SSW---" },

        { "constructed wall LRUD", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "N-S-W-E-" },
        { "constructed wall RUD", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "N-S---E-" },
        { "constructed wall LRD", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "--S-W-E-" },
        { "constructed wall LRU", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "N---W-E-" },
        { "constructed wall LUD", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "N-S-W---" },
        { "constructed wall RD", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "--S---E-" },
        { "constructed wall RU", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "N-----E-" },
        { "constructed wall LU", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "N---W---" },

        // 0x200
        { "constructed wall LD", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "--S-W---" },
        { "constructed wall UD", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "N-S-----" },
        { "constructed wall LR", WALL, CONSTRUCTED, VAR_1, TILE_NORMAL, "----W-E-" },
        { "constructed stair up/down", STAIR_UPDOWN, CONSTRUCTED, VAR_1 },
        { "constructed stair down", STAIR_DOWN, CONSTRUCTED, VAR_1 },
        { "constructed stair up", STAIR_UP, CONSTRUCTED, VAR_1 },
        { "constructed ramp", RAMP, CONSTRUCTED, VAR_1 },

        // end
        { 0, tileshape_invalid, tilematerial_invalid, VAR_1 }
    };

    //set tile class string lookup table (e.g. for printing to user)
#define X(name,comment) #name,
    const char * TileShapeString[tileshape_count+1] = {
        TILESHAPE_MACRO
        0
    };
#undef X

    //string lookup table (e.g. for printing to user)
#define X(name,comment) #name,
    const char * TileMaterialString[tilematerial_count+1] = {
        TILEMATERIAL_MACRO
        0
    };
#undef X

    //string lookup table (e.g. for printing to user)
#define X(name,comment) #name,
    const char * TileSpecialString[tilespecial_count+1] = {
        TILESPECIAL_MACRO
        0
    };
#undef X

    int16_t findSimilarTileType( const int16_t sourceTileType, const TileShape tshape )
    {
        int16_t match=0;
        int value=0, matchv=0;
        const TileRow *source = &tileTypeTable[sourceTileType];

        //Shortcut.
        //If the current tile is already a shape match, leave.
        if( tshape == source->shape ) return sourceTileType;

        //Cheap pseudo-entropy, by using address of the variable on the stack.
        //No need for real random numbers.
        static int entropy;
        entropy += (int)( (void *)(&match) );
        entropy ^= ((entropy & 0xFF000000)>>24) ^ ((entropy & 0x00FF0000)>>16);


        #ifdef assert
        assert( sourceTileType >=0 && sourceTileType < TILE_TYPE_ARRAY_LENGTH );
        #endif

        //Special case for smooth pillars.
        //When you want a smooth wall, no need to search for best match.  Just use a pillar instead.
        //Choosing the right direction would require knowing neighbors.
        if( WALL==tshape && (TILE_SMOOTH==source->special || CONSTRUCTED==source->material) ){
            switch( source->material ){
                case CONSTRUCTED:      match=495;  break;
                case ICE:              match= 83;  break;
                case VEIN:             match= 82;  break;
                case FEATSTONE:        match= 81;  break;
                case OBSIDIAN:         match= 80;  break;
                case STONE:            match= 79;  break;
            }
            if( match ) return match;
        }

        //Run through until perfect match found or hit end.
        for(int16_t tt=0;tt<TILE_TYPE_ARRAY_LENGTH && value<(8|4|1); ++tt)
        {
            if( tshape == tileTypeTable[tt].shape )
            {
                //shortcut null entries
                if(!tileTypeTable[tt].name) continue;

                //Special flag match is absolutely mandatory!
                if( source->special != tileTypeTable[tt].special ) continue;

                //Special case for constructions.
                //Never turn a construction into a non-contruction.
                if( CONSTRUCTED == source->material && CONSTRUCTED != tileTypeTable[tt].material ) continue;

                value=0;
                //Material is high-value match
                if( tileTypeTable[tt].material == source->material ) value|=8;
                //Direction is medium value match
                if( tileTypeTable[tt].direction.whole == source->direction.whole ) value|=4;
                //Variant is low-value match
                if( tileTypeTable[tt].variant == source->variant ) value|=1;

                //Check value against last match.
                if( value>matchv )
                {
                    match=tt;
                    matchv=value;
                }
            }
        }

        //Post-processing for floors.
        //Give raw floors variation.
        //Variant matters, but does not matter for source.
        //Error on the side of caution.
        if( FLOOR==tshape && CONSTRUCTED!=source->material && !source->special )
        {
            //Trying to make a floor type with variants, so randomize the variant.
            //Very picky, only handle known safe tile types.
            //Some floors have 4 variants, some have 3, so the order of these matters.
            switch( match ){
                case 261:
                    //Furrowed soil got chosen by accident.  Fix that.
                    match=352+(3&entropy);
                    break;
                case 336:	//STONE
                case 340:	//OBSIDIAN
                case 344:	//featstone
                case 349:	//grass
                case 352:	//soil
                case 356:	//wet soil
                case 387:	//dry grass
                case 394:	//dead grass
                case 398:	//grass B
                case 441:	//vein
                    match +=  3&entropy;
                    break;
                case 242:	//ASHES
                case 258:	//ICE
                    match += (1&entropy) + (2&entropy);
                    break;
            }
        }
        if( match ) return match;
        return sourceTileType;
    }
}