101 lines
2.5 KiB
Lua
101 lines
2.5 KiB
Lua
--[[
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SWITCHING GAME by rnd, 2018
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lights:
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0110
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switches, each one toggles certain lights like: s1 1001 (toggles light with 1)
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PROBLEM:
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hit switches in correct order to turn on all lights
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GENERATE RANDOM CHALLENGE:
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start with all lights on and apply random sequence of switches
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TODO: instead of simply 0/1 switches have ones that advance +1 mod p (p can be say 3 or more)
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REMARKS: application of 2 different switches is commutative ( obvious, since just x->x+1 mod p)
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--]]
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if not init then
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init = true
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numlights = 2;
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numswitches = 2;
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states = 10;
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lights = {}; -- states of lights, initialy 1,1,...,1
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for i = 1, numlights do lights[i] = 0 end
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switches = {}
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--switches = {{1,0,0,1},{1,1,1,1}};
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make_random_switches = function(lights, switches,count)
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for i = 1, count do
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switches[i] = {};
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local switch = switches[i];
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for j = 1, #lights do switch[j] = math.random(states)-1 end
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end
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end
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make_random_switches(lights,switches, numswitches)
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pos = self.spawnpos(); pos.x = pos.x + 1;-- pos.z = pos.z + 1
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apply_switch = function(switches,lights,idx)
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local switch = switches[idx];
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for i = 1, #switch do
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local state = lights[i] + switch[i];
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if state >= states then state = state - states end
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lights[i] = state
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end
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end
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randomize = function(switches, lights, steps) -- randomize lights
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for i = 1, steps do
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local idx = math.random(#switches);
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apply_switch(switches,lights,idx);
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end
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end
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render_lights = function() for i = 1, #lights do keyboard.set({x=pos.x+i-1,y=pos.y+1, z=pos.z}, 7+lights[i]) end end
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render_switches = function(mode)
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if mode then
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for i = 1, #switches do keyboard.set({x=pos.x+i-1,y=pos.y, z=pos.z}, 1+i) end
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else
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for i = 1, #switches do keyboard.set({x=pos.x+i-1,y=pos.y, z=pos.z}, 0) end
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end
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end
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check_lights = function()
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for i = 1, #lights do if lights[i] ~= 0 then return false end end
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return true
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end
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step = 0
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randomize(switches,lights, math.min((#switches)^states,10000))
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if check_lights() then randomize(switches,lights, #switches + states) end
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render_lights(); render_switches(true)
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self.label("GOAL OF GAME: punch buttons with numbers in correct order to turn all blocks to 0")
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--self.label(serialize(switches))
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end
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event = keyboard.get()
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if event then
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local idx = event.x-pos.x+1;
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if event.y==pos.y and idx>=1 and idx <= #switches then
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apply_switch(switches, lights, idx)
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render_lights()
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step = step + 1
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if check_lights() then
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self.label("DONE IN " .. step .. " STEPS !")
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render_switches(false)
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else
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self.label("STEP " .. step)
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end
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end
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end |