forked from Mirrorlandia_minetest/digistuff
45 lines
865 B
Lua
45 lines
865 B
Lua
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digistuff.rotate_rules = function(rulesin,dir)
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local rules = {}
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for k,v in ipairs(rulesin) do rules[k] = v end
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if dir.z > 0 then
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return rules
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elseif dir.z < 0 then
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for _,i in ipairs(rules) do
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i.x = -i.x
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i.z = -i.z
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end
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return rules
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elseif dir.x > 0 then
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for _,i in ipairs(rules) do
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local z = i.x
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i.x = i.z
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i.z = -z
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end
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return rules
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elseif dir.x < 0 then
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for _,i in ipairs(rules) do
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local z = i.x
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i.x = -i.z
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i.z = z
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end
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return rules
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elseif dir.y > 0 then
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for _,i in ipairs(rules) do
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local z = i.y
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i.y = i.z
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i.z = z
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end
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return rules
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elseif dir.y < 0 then
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for _,i in ipairs(rules) do
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local z = i.y
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i.y = -i.z
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i.z = -z
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end
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return rules
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else
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minetest.log("warning",string.format("digistuff.rotate_rules() called with invalid direction %s,%s,%s",dir.x,dir.y,dir.z))
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return {}
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end
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end
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