117 lines
4.0 KiB
Lua
117 lines
4.0 KiB
Lua
--checkers by rnd, 1.5 hr
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if not init then init=true
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spos = self.spawnpos()
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sizex = 8; sizez= 8
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gamepieces = {
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{ -- player1: regular piece, queen
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"basic_robot:buttonFFFF80","basic_robot:buttonFF8080"
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},
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{ -- player2
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"basic_robot:button80FF80","basic_robot:button8080FF"
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}
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}
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show_mark = function(pos)
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minetest.add_particle(
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{
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pos = pos,
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expirationtime = 5,
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velocity = {x=0, y=0,z=0},
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size = 18,
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texture = "default_apple.png",
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acceleration = {x=0,y=0,z=0},
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collisiondetection = true,
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collision_removal = true,
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}
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)
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end
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build_game = function()
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for i = 1,sizez do
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for j = 1,2 do
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minetest.swap_node({x=spos.x+j,y=spos.y,z=spos.z+i},{name = "basic_robot:button_131"})
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minetest.swap_node({x=spos.x+j,y=spos.y+1,z=spos.z+i},{name = "air"})
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end
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minetest.swap_node({x=spos.x+3,y=spos.y,z=spos.z+i},{name = "basic_robot:button_".. (48+i), param2 = 3})
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end
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for i = 1,sizex do
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minetest.swap_node({x=spos.x+3+i,y=spos.y,z=spos.z},{name = "basic_robot:button_".. (64+i)})
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minetest.swap_node({x=spos.x+3+i,y=spos.y,z=spos.z+sizez+1},{name = "basic_robot:button_".. (64+i), param2 = 2})
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end
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local white = true;
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for i = 1,sizex do
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for j = 1,sizez do
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if white then
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minetest.swap_node({x=spos.x+3+i,y=spos.y,z=spos.z+j},{name = "basic_robot:button_0"})
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else
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minetest.swap_node({x=spos.x+3+i,y=spos.y,z=spos.z+j},{name = "basic_robot:button808080"})
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end
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white = not white
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minetest.swap_node({x=spos.x+3+i,y=spos.y+1,z=spos.z+j},{name = "air"})
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end
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white = not white
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end
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minetest.swap_node({x=spos.x+1,y=spos.y+1,z=spos.z+1},{name = gamepieces[1][1]})
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minetest.swap_node({x=spos.x+1,y=spos.y+2,z=spos.z+1},{name = gamepieces[1][2]})
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minetest.swap_node({x=spos.x+1,y=spos.y+1,z=spos.z+sizez},{name = gamepieces[2][1]})
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minetest.swap_node({x=spos.x+1,y=spos.y+2,z=spos.z+sizez},{name = gamepieces[2][2]})
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for i=1,sizex,2 do
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minetest.swap_node({x=spos.x+4+i,y=spos.y+1,z=spos.z+1},{name = gamepieces[1][1]})
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minetest.swap_node({x=spos.x+3+i,y=spos.y+1,z=spos.z+2},{name = gamepieces[1][1]})
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minetest.swap_node({x=spos.x+4+i,y=spos.y+1,z=spos.z+sizez-1},{name = gamepieces[2][1]})
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minetest.swap_node({x=spos.x+3+i,y=spos.y+1,z=spos.z+sizez},{name = gamepieces[2][1]})
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end
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end
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msgs = {1} --{idx, msg1, msg2,msg3, msg4, msg5}; -- up to 5 ingame messages displayed
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add_msg = function(text)
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local idx = msgs[1] or 1;
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msgs[idx+1] = text;idx = idx+1; if idx>5 then idx = 1 end msgs[1] = idx
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end
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show_msgs = function() -- last message on top
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local out = {}; local idx = msgs[1] or 1;
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for i = idx,2,-1 do out[#out+1] = msgs[i] or "" end
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for i = 6, idx+1,-1 do out[#out+1] = msgs[i] or "" end
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self.label(table.concat(out,"\n"))
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end
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build_game()
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punchpos = nil; -- pos of last punched piece
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step = 0;
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self.label("checkers\npunch piece then punch board to move")
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end
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event = keyboard.get()
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if event then
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--self.label(serialize(event))
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if event.y==spos.y+1 then -- piece was punched to be moved
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punchpos = {x=event.x,y=event.y,z=event.z}
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elseif event.y==spos.y and event.x~=spos.x+3 then -- board was punched
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if not punchpos then return end
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step = step+1
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local x1 = punchpos.x-spos.x-3; local z1 = punchpos.z-spos.z
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local x2 = event.x-spos.x-3; local z2 = event.z-spos.z
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add_msg(minetest.colorize("red","MOVE " .. step) .. ": " .. event.puncher .. " " .. string.char(64+x1) .. z1 .. " to " .. string.char(64+x2) .. z2); show_msgs()
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local nodename = minetest.get_node(punchpos).name
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minetest.swap_node(punchpos,{name = "air"})
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show_mark(punchpos)
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-- promotion of pieces to queen when reaching the opposite side
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if nodename == gamepieces[1][1] and event.z==spos.z+sizez and event.x>spos.x+3 then
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nodename = gamepieces[1][2]
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elseif nodename == gamepieces[2][1] and event.z==spos.z+1 and event.x>spos.x+3 then
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nodename = gamepieces[2][2]
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end
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minetest.swap_node({x=event.x,y=event.y+1,z=event.z},{name = nodename})
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show_mark({x=event.x,y=event.y+2,z=event.z})
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punchpos = nil
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end
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end |