77 lines
1.7 KiB
Lua
77 lines
1.7 KiB
Lua
mg_villages.deepcopy = function(orig)
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return minetest.deserialize(minetest.serialize(orig))
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end
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mg_villages.rotate_facedir = function(facedir)
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return ({1, 2, 3, 0,
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13, 14, 15, 12,
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17, 18, 19, 16,
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9, 10, 11, 8,
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5, 6, 7, 4,
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21, 22, 23, 20})[facedir+1]
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end
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mg_villages.rotate_wallmounted = function(wallmounted)
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return ({0, 1, 5, 4, 2, 3})[wallmounted+1]
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end
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mg_villages.get_param2_rotated = function( paramtype2, p2 )
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local p2r = {};
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p2r[ 1 ] = p2;
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if( paramtype2 == 'wallmounted' ) then
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for i = 2,4 do
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p2r[ i ] = mg_villages.rotate_wallmounted( p2r[ i-1 ]);
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end
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elseif( paramtype2 == 'facedir' ) then
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for i = 2,4 do
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p2r[ i ] = mg_villages.rotate_facedir( p2r[ i-1 ]);
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end
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else
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return { p2, p2, p2, p2 };
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end
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return p2r;
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end
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mg_villages.rotate_scm_once = function(scm)
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local ysize = #scm
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local xsize = #scm[1]
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local zsize = #scm[1][1]
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new_scm = {}
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for i=1, ysize do
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new_scm[i] = {}
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for j=1, zsize do
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new_scm[i][j] = {}
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end
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end
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for y = 1, ysize do
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for x = 1, xsize do
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for z = 1, zsize do
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local old = scm[y][x][z]
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local newx = z
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local newz = xsize-x+1
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if type(old) ~= "table" or old.rotation == nil then
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new_scm[y][newx][newz] = old
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elseif old.rotation == "wallmounted" then
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new = mg_villages.deepcopy(old)
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new.node.param2 = mg_villages.rotate_wallmounted(new.node.param2)
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new_scm[y][newx][newz] = new
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elseif old.rotation == "facedir" then
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new = mg_villages.deepcopy(old)
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new.node.param2 = mg_villages.rotate_facedir(new.node.param2)
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new_scm[y][newx][newz] = new
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end
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end
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end
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end
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return new_scm
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end
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-- called from villages.lua
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mg_villages.rotate_scm = function(scm, times)
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for i=1, times do
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scm = mg_villages.rotate_scm_once(scm)
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end
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return scm
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end
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