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y=src.y})","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:174"}},{"Del":{"text":" while #cands > 0 do","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:196"}},{"Del":{"text":" local cand = table.remove(cands, 1)","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:236"}},{"Del":{"text":" local x,y = cand.x, cand.y","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:267"}},{"Del":{"text":" if x == dst.x and y == dst.y then return cand end","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:321"}},{"Del":{"text":" if y >= 1 and y <= lh and x >= 1 and x <= lw and not done[y][x] then","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:394"}},{"Del":{"text":" done[y][x] = true","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:418"}},{"Del":{"text":" local curr = level[y][x]","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:449"}},{"Del":{"text":" if curr ~= CELL_WALL and curr ~= CELL_CRATE and curr ~= CELL_CRATE_ON_TARGET then","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:537"}},{"Del":{"text":" end end end end","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:771"}},{"Del":{"text":"","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:772"}},{"Del":{"text":"function is_empty(level, x,y)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1405"}},{"Del":{"text":" local curr = level[y][x]","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1432"}},{"Del":{"text":" return curr ~= CELL_WALL and curr ~= CELL_CRATE and curr ~= CELL_CRATE_ON_TARGET","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1515"}},{"Del":{"text":"end","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1519"}},{"Del":{"text":"","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1520"}},{"Del":{"text":"function unwind_path(c)","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:796"}},{"Del":{"text":" local result = {}","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:816"}},{"Del":{"text":" while c do","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:829"}},{"Del":{"text":" table.insert(result, {x=c.x, y=c.y})","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:870"}},{"Del":{"text":" c = c.prev","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:885"}},{"Del":{"text":" end","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:891"}},{"Del":{"text":" return result","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:907"}},{"Del":{"text":"end","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:911"}},{"Del":{"text":"","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:912"}},{"Del":{"text":"function draw_path(path)","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:937"}},{"Del":{"text":" color(1,0,0)","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:952"}},{"Del":{"text":" for _,cell in ipairs(path) do","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:984"}},{"Del":{"text":" rect('line', left+(cell.x-1)*side, top+(cell.y-1)*side, side, side)","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1056"}},{"Del":{"text":" end end","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1066"}},{"Del":{"text":"","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1067"}},{"Del":{"text":"function initialize_array(val, dim, ...)","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1108"}},{"Del":{"text":" local result = {}","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1128"}},{"Del":{"text":" local other_dims = {...}","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1155"}},{"Del":{"text":" if #other_dims == 0 then","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1182"}},{"Del":{"text":" for i=1,dim do","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1201"}},{"Del":{"text":" table.insert(result, val)","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1233"}},{"Del":{"text":" end","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1241"}},{"Del":{"text":" else","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1248"}},{"Del":{"text":" for i=1,dim do","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1267"}},{"Del":{"text":" table.insert(result, initialize_array(val, ...))","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1322"}},{"Del":{"text":" end","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1330"}},{"Del":{"text":" end","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1336"}},{"Del":{"text":" return result","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1352"}},{"Del":{"text":"end","pos":"FKENDSMEJXEZPAT6K5TYJC2KZBVYKMXA7LN7ZVPZMYIBODWIB64AC:1356"}},{"Del":{"text":"","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1512"}},{"Del":{"text":"function shortest_path(cands)","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1542"}},{"Del":{"text":" local min, minscore = 1, cands[1].path_length","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1615"}},{"Del":{"text":" for i=2,#cands do","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1635"}},{"Del":{"text":" local iscore = cands[i].path_length","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1675"}},{"Del":{"text":" if iscore < minscore then","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1756"}},{"Del":{"text":" min, minscore = i, iscore","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1788"}},{"Del":{"text":" end","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1796"}},{"Del":{"text":" end","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1802"}},{"Del":{"text":" return min","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1815"}},{"Del":{"text":"end","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1819"}},{"Del":{"text":"--? Real_print('', i, iscore, '<=>', min,minscore)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1606"}},{"Del":{"text":"--? Real_print('', #cands)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1550"}},{"Del":{"text":"function unwind_steps(c, out)","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:300"}},{"Del":{"text":" -- insert steps in reverse order","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:335"}},{"Del":{"text":" table.insert(out, c.dir)","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:376"}},{"Del":{"text":" end","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:412"}},{"Del":{"text":" return out","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:425"}},{"Del":{"text":"end","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:429"}},{"Del":{"text":"","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:430"}},{"Del":{"text":" c = c.prev","pos":"6EVAMGQ66R6WRLUOXNXQ4LIL52HHAIA46ZPJGZUO533D4CGPHPDAC:39"}},{"Del":{"text":" while c do","pos":"6EVAMGQ66R6WRLUOXNXQ4LIL52HHAIA46ZPJGZUO533D4CGPHPDAC:23"}},{"Del":{"text":" table.insert(cands, {x=x-1, y=y, dir='left', prev=cand})","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:75"}},{"Del":{"text":" table.insert(cands, {x=x+1, y=y, dir='right', prev=cand})","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:141"}},{"Del":{"text":" table.insert(cands, {x=x, y=y-1, dir='up', prev=cand})","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:204"}},{"Del":{"text":" table.insert(cands, {x=x, y=y+1, dir='down', prev=cand})","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:269"}},{"Del":{"text":"-- simple solver to remove some drudgery","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:9458"}},{"Del":{"text":"","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:9459"}},{"Del":{"text":"","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:839"}},{"Del":{"text":"-- like find_empty_path, but always allow going through empty_cell and never allow going through occupied_cell, regardless of what level says","pos":"RCEWATRPX3MDVMAIEBEYIRL2MXPQYD47IU7XQUKSUZVFJRU4AN4AC:492"}},{"Del":{"text":" local done = initialize_array(false, lh, lw)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3399"}},{"Del":{"text":" local cands = {}","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3418"}},{"Del":{"text":" while #cands > 0 do","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3482"}},{"Del":{"text":" local cand = table.remove(cands, 1)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3522"}},{"Del":{"text":" if x == dst.x and y == dst.y then return cand end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3607"}},{"Del":{"text":" if y >= 1 and y <= lh and x >= 1 and x <= lw and not done[y][x] then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3680"}},{"Del":{"text":" done[y][x] = true","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3704"}},{"Del":{"text":" end end end end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4158"}},{"Del":{"text":"","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4159"}},{"Del":{"text":" if empty.y ~= occupied.y or empty.x ~= occupied.x then","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:287"}},{"Del":{"text":" if x == empty.x and y == empty.y then","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:348"}},{"Del":{"text":" return true","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:387"}},{"Del":{"text":" end","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:395"}},{"Del":{"text":" end","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:401"}},{"Del":{"text":" if x == occupied.x and y == occupied.y then","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:447"}},{"Del":{"text":" return false","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:485"}},{"Del":{"text":" end","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:491"}},{"Del":{"text":"end","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:605"}},{"Del":{"text":"","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:606"}},{"Del":{"text":" return is_empty(level, x,y)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1312"}},{"Del":{"text":"function unwind_steps_to_move_crate(c, out)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4203"}},{"Del":{"text":" -- insert steps in reverse order","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4238"}},{"Del":{"text":" while c do","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4251"}},{"Del":{"text":" table.insert(out, c.dir)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4280"}},{"Del":{"text":" unwind_steps(c.moves, out)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4311"}},{"Del":{"text":" c = c.prev","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4326"}},{"Del":{"text":" end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4332"}},{"Del":{"text":" return out","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4345"}},{"Del":{"text":"end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4349"}},{"Del":{"text":"","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4350"}},{"Del":{"text":"function vdump_path(c)","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:568"}},{"Del":{"text":" if c == nil then return end","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:598"}},{"Del":{"text":" if not c.dir then","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:618"}},{"Del":{"text":" assert(not c.moves)","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:642"}},{"Del":{"text":" assert(not c.prev)","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:665"}},{"Del":{"text":" return","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:676"}},{"Del":{"text":" end","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:682"}},{"Del":{"text":" Real_print('p'..c.dir)","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:707"}},{"Del":{"text":" local c2 = c.moves","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:728"}},{"Del":{"text":" while c2 do","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:742"}},{"Del":{"text":" if c2.dir then","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:761"}},{"Del":{"text":" Real_print('m'..c2.dir)","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:791"}},{"Del":{"text":" end","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:799"}},{"Del":{"text":" c2 = c2.prev","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:816"}},{"Del":{"text":" end","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:822"}},{"Del":{"text":" vdump_path(c.prev)","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:843"}},{"Del":{"text":"end","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:847"}},{"Del":{"text":"","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:848"}},{"Del":{"text":"end","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:611"}},{"Del":{"text":"","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:612"}},{"Del":{"text":"function dump_path(c)","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:634"}},{"Del":{"text":" if c == nil then return end","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:664"}},{"Del":{"text":" if not c.dir then","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:684"}},{"Del":{"text":" assert(not c.moves)","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:708"}},{"Del":{"text":" assert(not c.prev)","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:731"}},{"Del":{"text":" io.stdout:write('\\n')","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:757"}},{"Del":{"text":" return","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:768"}},{"Del":{"text":" end","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:774"}},{"Del":{"text":" local c2 = c.moves","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:834"}},{"Del":{"text":" while c2 do","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:848"}},{"Del":{"text":" if c2.dir then","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:867"}},{"Del":{"text":" end","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:919"}},{"Del":{"text":" c2 = c2.prev","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:936"}},{"Del":{"text":" end","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:942"}},{"Del":{"text":" dump_path(c.prev)","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:962"}},{"Del":{"text":" io.stdout:write('m'..c2.dir..' ')","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:544"}},{"Del":{"text":" io.stdout:write('p'..c.dir..' ')","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:503"}},{"Del":{"text":"function is_assumed_empty(level, x,y, empty, occupied)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1281"}},{"Del":{"text":" table.insert(cands, {x=x-1, y=y, dir='left', prev=cand, path_length=p+1})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1265"}},{"Del":{"text":" table.insert(cands, {x=x+1, y=y, dir='right', prev=cand, path_length=p+1})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1348"}},{"Del":{"text":" table.insert(cands, {x=x, y=y-1, dir='up', prev=cand, path_length=p+1})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1428"}},{"Del":{"text":" table.insert(cands, {x=x, y=y+1, dir='down', prev=cand, path_length=p+1})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1510"}},{"Del":{"text":" if is_assumed_empty(level, x,y, empty_cell, occupied_cell) then","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1225"}},{"Del":{"text":" local x,y, p = cand.x, cand.y, cand.path_length","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1182"}},{"Del":{"text":" table.insert(cands, {x=src.x, y=src.y, path_length=0})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1129"}},{"Del":{"text":"--? Real_print('find', src.x, src.y, '-', dst.x, dst.y, '-', empty_cell.x, empty_cell.y, '-', occupied_cell.x, occupied_cell.y)","pos":"AS76UT6HWXX47T2HMNHVPHNFMGC6WY3PWMWLUWFWYPD7XKMMJ2XAC:393"}},{"Del":{"text":"function find_assumed_empty_path_to_empty_cell(level, src, dst, empty_cell, occupied_cell)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:931"}},{"Del":{"text":" if not is_assumed_empty(level, dst.x, dst.y, empty_cell, occupied_cell) then","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1010"}},{"Del":{"text":" return","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1021"}},{"Del":{"text":" end","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1027"}},{"Del":{"text":"function draw_crate_to_move()","pos":"DFYYOQMHA7M7WMELX5DHXP5DT5KGQLNJHXYDJZ5P5BIJCTCOQ7LQC:40"}},{"Del":{"text":" if crate_to_move == nil then return end","pos":"DFYYOQMHA7M7WMELX5DHXP5DT5KGQLNJHXYDJZ5P5BIJCTCOQ7LQC:82"}},{"Del":{"text":" color(1,0,0)","pos":"DFYYOQMHA7M7WMELX5DHXP5DT5KGQLNJHXYDJZ5P5BIJCTCOQ7LQC:97"}},{"Del":{"text":" local x,y = crate_to_move.x, crate_to_move.y","pos":"DFYYOQMHA7M7WMELX5DHXP5DT5KGQLNJHXYDJZ5P5BIJCTCOQ7LQC:144"}},{"Del":{"text":" rect('line', left+(x-1)*side, top+(y-1)*side, side, side)","pos":"DFYYOQMHA7M7WMELX5DHXP5DT5KGQLNJHXYDJZ5P5BIJCTCOQ7LQC:204"}},{"Del":{"text":"end","pos":"DFYYOQMHA7M7WMELX5DHXP5DT5KGQLNJHXYDJZ5P5BIJCTCOQ7LQC:208"}},{"Del":{"text":"","pos":"DFYYOQMHA7M7WMELX5DHXP5DT5KGQLNJHXYDJZ5P5BIJCTCOQ7LQC:209"}},{"Del":{"text":"-- moving player without moving any crates","pos":"DGJOMSMTXML2XLFFUGCOI477TB55YZ4ZXVBTLQVAIHEWJWBE3KQAC:53"}},{"Del":{"text":"","pos":"DGJOMSMTXML2XLFFUGCOI477TB55YZ4ZXVBTLQVAIHEWJWBE3KQAC:54"}},{"Del":{"text":"function find_empty_path(level, src, dst)","pos":"DGJOMSMTXML2XLFFUGCOI477TB55YZ4ZXVBTLQVAIHEWJWBE3KQAC:96"}},{"Del":{"text":" if not is_empty(level, dst.x, dst.y) then","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1357"}},{"Del":{"text":" return","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1368"}},{"Del":{"text":" end","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:1374"}},{"Del":{"text":"","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:0"}},{"Del":{"text":"-- moving crate without moving any other crates","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:48"}},{"Del":{"text":"","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:49"}},{"Del":{"text":"function find_path_for_crate(level, player, crate, dst)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:1372"}},{"Del":{"text":" local done = initialize_array(false, lh, lw)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:1419"}},{"Del":{"text":" local cands = {}","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:1438"}},{"Del":{"text":" table.insert(cands, {crate={x=crate.x, y=crate.y}, player={x=player.x, y=player.y}, path_length=0})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:101"}},{"Del":{"text":"--? io.stdout:write('---\\n')","pos":"3CIDHIL2YPGFIPMVPGROBQPUGPGF5OPDQXHSRCQ7EVLNKJ6XDNHQC:30"}},{"Del":{"text":" while #cands > 0 do","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:1547"}},{"Del":{"text":" if c.x == dst.x and c.y == dst.y then return cand end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:1686"}},{"Del":{"text":" if c.y >= 1 and c.y <= lh and c.x >= 1 and c.x <= lw and not done[c.y][c.x] then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:1771"}},{"Del":{"text":" done[c.y][c.x] = true","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:1799"}},{"Del":{"text":" local curr = level[c.y][c.x]","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:1834"}},{"Del":{"text":" -- try to push crate left, by first getting to the right of it","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2065"}},{"Del":{"text":" if moves or (p.x == c.x+1 and p.y == c.y) then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2203"}},{"Del":{"text":" -- after the push, both player and crate have moved","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2265"}},{"Del":{"text":" end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2392"}},{"Del":{"text":" -- try to push crate right","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2427"}},{"Del":{"text":" if moves or (p.x == c.x-1 and p.y == c.y) then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2559"}},{"Del":{"text":" end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2687"}},{"Del":{"text":" -- try to push crate up","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2719"}},{"Del":{"text":" if moves or (p.x == c.x and p.y == c.y+1) then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2857"}},{"Del":{"text":" end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:2982"}},{"Del":{"text":" -- try to push crate down","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3016"}},{"Del":{"text":" if moves or (p.x == c.x and p.y == c.y-1) then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3148"}},{"Del":{"text":" end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3275"}},{"Del":{"text":" end end end end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:3297"}},{"Del":{"text":" table.insert(cands, {player={x=c.x, y=c.y}, crate={x=c.x, y=c.y+1}, dir='down', moves=moves, prev=cand, path_length=cand.path_length+moves.path_length})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:1071"}},{"Del":{"text":" moves = find_assumed_empty_path_to_empty_cell(level, p, {x=c.x, y=c.y-1}, crate, c)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:837"}},{"Del":{"text":" table.insert(cands, {player={x=c.x, y=c.y}, crate={x=c.x, y=c.y-1}, dir='up', moves=moves, prev=cand, path_length=cand.path_length+moves.path_length})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:907"}},{"Del":{"text":" local moves = find_assumed_empty_path_to_empty_cell(level, p, {x=c.x, y=c.y+1}, crate, c)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:704"}},{"Del":{"text":" table.insert(cands, {player={x=c.x, y=c.y}, crate={x=c.x+1, y=c.y}, dir='right', moves=moves, prev=cand, path_length=cand.path_length+moves.path_length})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:745"}},{"Del":{"text":" moves = find_assumed_empty_path_to_empty_cell(level, p, {x=c.x-1, y=c.y}, crate, c)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:569"}},{"Del":{"text":" table.insert(cands, {player={x=c.x, y=c.y}, crate={x=c.x-1, y=c.y}, dir='left', moves=moves, prev=cand, path_length=cand.path_length+moves.path_length})","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:580"}},{"Del":{"text":" local moves = find_assumed_empty_path_to_empty_cell(level, p, {x=c.x+1, y=c.y}, --[[empty]] crate, --[[occupied]] c)","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:476"}},{"Del":{"text":" if curr ~= CELL_WALL and (curr ~= CELL_CRATE or (c.y == crate.y and c.x == crate.x)) and (curr ~= CELL_CRATE_ON_TARGET or (c.y == crate.y and c.x == crate.x)) then","pos":"5PAVGVYV2QQ3DQWDXT4NOCZXVVDXYJOMNPLJEDIHRYYSYQV72DEQC:180"}},{"Del":{"text":" local min_index = shortest_path(cands)","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:145"}},{"Del":{"text":" local cand = table.remove(cands, min_index)","pos":"YR62G4PUZEC2PMXMLTPUKFYTSQ3YTCAXXFGLZOIQTUOM2FABPNFQC:193"}},{"Del":{"text":" local p, c = cand.player, cand.crate","pos":"U32AYLUP4N32MVWH5WFCKP64CW4XO3CCV2AVQ357CMCY7CUBSYJQC:40"}},{"Del":{"text":"--? i = i+1","pos":"AS76UT6HWXX47T2HMNHVPHNFMGC6WY3PWMWLUWFWYPD7XKMMJ2XAC:43"}},{"Del":{"text":"--? io.stdout:write(tostring(i)..' '..tostring(crate.x)..','..tostring(crate.y)..' '..tostring(crate.id)..' '..tostring(p.x)..','..tostring(p.y)..' '..tostring(c.x)..','..tostring(c.y)..' ')","pos":"AS76UT6HWXX47T2HMNHVPHNFMGC6WY3PWMWLUWFWYPD7XKMMJ2XAC:238"}},{"Del":{"text":"--? dump_path(cand)","pos":"AS76UT6HWXX47T2HMNHVPHNFMGC6WY3PWMWLUWFWYPD7XKMMJ2XAC:262"}},{"Del":{"text":"--? local i=0","pos":"AS76UT6HWXX47T2HMNHVPHNFMGC6WY3PWMWLUWFWYPD7XKMMJ2XAC:26"}}]}},{"FileAdd":{"meta":{"basename":"move_to_empty","metadata":0},"path":"screens/move_to_empty","context":[{"change":6,"pos":1}],"contents":[{"Add":{"text":"-- moving player without moving any crates","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:81"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:82"}},{"Add":{"text":"function draw_crate_to_move()","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:112"}},{"Add":{"text":" if crate_to_move == nil then return end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:154"}},{"Add":{"text":" color(1,0,0)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:169"}},{"Add":{"text":" local x,y = crate_to_move.x, crate_to_move.y","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:216"}},{"Add":{"text":" rect('line', left+(x-1)*side, top+(y-1)*side, side, side)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:276"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:280"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:281"}},{"Add":{"text":"function car.update()","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:303"}},{"Add":{"text":" if next_pending_move and Current_time >= next_pending_move then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:369"}},{"Add":{"text":" local dir = table.remove(pending_moves)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:413"}},{"Add":{"text":" move(dir, --[[add to undo]] false)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:452"}},{"Add":{"text":" if #pending_moves > 0 then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:483"}},{"Add":{"text":" next_pending_move = Current_time + 0.1","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:528"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:536"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:542"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:546"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:547"}},{"Add":{"text":"function make_all_pending_moves()","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:581"}},{"Add":{"text":" while #pending_moves > 0 do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:611"}},{"Add":{"text":" local dir = table.remove(pending_moves)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:655"}},{"Add":{"text":" move(dir, --[[add to undo]] false)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:694"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:700"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:704"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:705"}},{"Add":{"text":"function plan_move_to_empty_space(y, x)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:745"}},{"Add":{"text":" local path = find_empty_path(level_state, player, {y=y, x=x})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:809"}},{"Add":{"text":" if path == nil then return end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:842"}},{"Add":{"text":" pending_moves = unwind_steps(path, {})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:883"}},{"Add":{"text":" local src = level_state[player.y][player.x]","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:929"}},{"Add":{"text":" local dest = level_state[y][x]","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:962"}},{"Add":{"text":" local u = {","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:976"}},{"Add":{"text":" {x=player.x, y=player.y, cell=src},","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1016"}},{"Add":{"text":" {x=x, y=y, cell=dest}}","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1043"}},{"Add":{"text":" table.insert(undo_history, u) -- add to undo without making move yet","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1115"}},{"Add":{"text":" next_pending_move = Current_time","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1150"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1154"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1155"}},{"Add":{"text":"function find_empty_path(level, src, dst)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1197"}},{"Add":{"text":" if not is_empty(level, dst.x, dst.y) then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1241"}},{"Add":{"text":" return","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1252"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1258"}},{"Add":{"text":" local done = initialize_array(false, lh, lw)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1305"}},{"Add":{"text":" local cands = {}","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1324"}},{"Add":{"text":" table.insert(cands, {x=src.x, y=src.y})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1366"}},{"Add":{"text":" while #cands > 0 do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1388"}},{"Add":{"text":" local cand = table.remove(cands, 1)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1428"}},{"Add":{"text":" local x,y = cand.x, cand.y","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1459"}},{"Add":{"text":" if x == dst.x and y == dst.y then return cand end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1513"}},{"Add":{"text":" if y >= 1 and y <= lh and x >= 1 and x <= lw and not done[y][x] then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1586"}},{"Add":{"text":" done[y][x] = true","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1610"}},{"Add":{"text":" local curr = level[y][x]","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1641"}},{"Add":{"text":" if curr ~= CELL_WALL and curr ~= CELL_CRATE and curr ~= CELL_CRATE_ON_TARGET then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1729"}},{"Add":{"text":" table.insert(cands, {x=x-1, y=y, dir='left', prev=cand})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1794"}},{"Add":{"text":" table.insert(cands, {x=x+1, y=y, dir='right', prev=cand})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1860"}},{"Add":{"text":" table.insert(cands, {x=x, y=y-1, dir='up', prev=cand})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1923"}},{"Add":{"text":" table.insert(cands, {x=x, y=y+1, dir='down', prev=cand})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:1988"}},{"Add":{"text":" end end end end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2010"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2011"}},{"Add":{"text":"function is_empty(level, x,y)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2041"}},{"Add":{"text":" local curr = level[y][x]","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2068"}},{"Add":{"text":" return curr ~= CELL_WALL and curr ~= CELL_CRATE and curr ~= CELL_CRATE_ON_TARGET","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2151"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2155"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2156"}},{"Add":{"text":"function unwind_path(c)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2180"}},{"Add":{"text":" local result = {}","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2200"}},{"Add":{"text":" while c do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2213"}},{"Add":{"text":" table.insert(result, {x=c.x, y=c.y})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2254"}},{"Add":{"text":" c = c.prev","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2269"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2275"}},{"Add":{"text":" return result","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2291"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2295"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2296"}},{"Add":{"text":"function unwind_steps(c, out)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2326"}},{"Add":{"text":" -- insert steps in reverse order","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2361"}},{"Add":{"text":" while c do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2374"}},{"Add":{"text":" table.insert(out, c.dir)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2403"}},{"Add":{"text":" c = c.prev","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2418"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2424"}},{"Add":{"text":" return out","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2437"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2441"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2442"}},{"Add":{"text":"function initialize_array(val, dim, ...)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2483"}},{"Add":{"text":" local result = {}","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2503"}},{"Add":{"text":" local other_dims = {...}","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2530"}},{"Add":{"text":" if #other_dims == 0 then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2557"}},{"Add":{"text":" for i=1,dim do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2576"}},{"Add":{"text":" table.insert(result, val)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2608"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2616"}},{"Add":{"text":" else","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2623"}},{"Add":{"text":" for i=1,dim do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2642"}},{"Add":{"text":" table.insert(result, initialize_array(val, ...))","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2697"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2705"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2711"}},{"Add":{"text":" return result","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2727"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2731"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2732"}},{"Add":{"text":"function dump_path(c)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2754"}},{"Add":{"text":" if c == nil then return end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2784"}},{"Add":{"text":" if not c.dir then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2804"}},{"Add":{"text":" assert(not c.moves)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2828"}},{"Add":{"text":" assert(not c.prev)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2851"}},{"Add":{"text":" io.stdout:write('\\n')","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2877"}},{"Add":{"text":" return","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2888"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2894"}},{"Add":{"text":" io.stdout:write('p'..c.dir..' ')","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2929"}},{"Add":{"text":" local c2 = c.moves","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2950"}},{"Add":{"text":" while c2 do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2964"}},{"Add":{"text":" if c2.dir then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:2983"}},{"Add":{"text":" io.stdout:write('m'..c2.dir..' ')","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3023"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3031"}},{"Add":{"text":" c2 = c2.prev","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3048"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3054"}},{"Add":{"text":" dump_path(c.prev)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3074"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3078"}}]}},{"FileAdd":{"meta":{"basename":"move_crate","metadata":0},"path":"screens/move_crate","context":[{"change":6,"pos":1}],"contents":[{"Add":{"text":"-- moving crate without moving any other crates","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3163"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3164"}},{"Add":{"text":"function plan_move_crate(y, x)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3195"}},{"Add":{"text":" local path = find_path_for_crate(level_state, player, crate_to_move, {y=y, x=x})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3278"}},{"Add":{"text":" if path == nil then return end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3311"}},{"Add":{"text":"--? Real_print('--')","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3334"}},{"Add":{"text":"--? vdump_path(path)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3357"}},{"Add":{"text":" pending_moves = unwind_steps_to_move_crate(path, {})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3412"}},{"Add":{"text":" for i=#pending_moves,1,-1 do print(pending_moves[i]) end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3471"}},{"Add":{"text":" local src = level_state[player.y][player.x]","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3517"}},{"Add":{"text":" local crate_cell = level_state[crate_to_move.y][crate_to_move.x]","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3584"}},{"Add":{"text":" local dest = level_state[y][x]","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3617"}},{"Add":{"text":" local u = {","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3631"}},{"Add":{"text":" {x=player.x, y=player.y, cell=src},","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3671"}},{"Add":{"text":" {x=crate_to_move.x, y=crate_to_move.y, cell=crate_cell},","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3732"}},{"Add":{"text":" {x=x, y=y, cell=dest}}","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3759"}},{"Add":{"text":" print('player initial', player.x, player.y, src)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3810"}},{"Add":{"text":" print('crate initial', crate_to_move.x, crate_to_move.y, crate_cell)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3881"}},{"Add":{"text":" print('crate final', x, y, dest)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3916"}},{"Add":{"text":" -- we also need to save the initial state of the final position of the player","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:3996"}},{"Add":{"text":" local fpy,fpx = compute_cell(y,x, opposite_dir(pending_moves[1]))","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4064"}},{"Add":{"text":" print('player final', fpx, fpy, level_state[fpy][fpx])","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4121"}},{"Add":{"text":" table.insert(u, {x=fpx, y=fpy, cell=level_state[fpy][fpx]})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4183"}},{"Add":{"text":" table.insert(undo_history, u) -- add to undo without making move yet","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4255"}},{"Add":{"text":" next_pending_move = Current_time","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4290"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4294"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4295"}},{"Add":{"text":"function find_path_for_crate(level, player, crate, dst)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4351"}},{"Add":{"text":" local done = initialize_array(false, lh, lw)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4398"}},{"Add":{"text":" local cands = {}","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4417"}},{"Add":{"text":"--? local i=0","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4433"}},{"Add":{"text":" table.insert(cands, {crate={x=crate.x, y=crate.y}, player={x=player.x, y=player.y}, path_length=0})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4535"}},{"Add":{"text":"--? io.stdout:write('---\\n')","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4566"}},{"Add":{"text":" while #cands > 0 do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4588"}},{"Add":{"text":" local min_index = shortest_path(cands)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4631"}},{"Add":{"text":" local cand = table.remove(cands, min_index)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4679"}},{"Add":{"text":" local p, c = cand.player, cand.crate","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4720"}},{"Add":{"text":"--? i = i+1","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4736"}},{"Add":{"text":"--? io.stdout:write(tostring(i)..' '..tostring(crate.x)..','..tostring(crate.y)..' '..tostring(crate.id)..' '..tostring(p.x)..','..tostring(p.y)..' '..tostring(c.x)..','..tostring(c.y)..' ')","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4931"}},{"Add":{"text":"--? dump_path(cand)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:4955"}},{"Add":{"text":" if c.x == dst.x and c.y == dst.y then return cand end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5013"}},{"Add":{"text":" if c.y >= 1 and c.y <= lh and c.x >= 1 and c.x <= lw and not done[c.y][c.x] then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5098"}},{"Add":{"text":" done[c.y][c.x] = true","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5126"}},{"Add":{"text":" local curr = level[c.y][c.x]","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5161"}},{"Add":{"text":" if curr ~= CELL_WALL and (curr ~= CELL_CRATE or (c.y == crate.y and c.x == crate.x)) and (curr ~= CELL_CRATE_ON_TARGET or (c.y == crate.y and c.x == crate.x)) then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5331"}},{"Add":{"text":" -- try to push crate left, by first getting to the right of it","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5402"}},{"Add":{"text":" local moves = find_assumed_empty_path_to_empty_cell(level, p, {x=c.x+1, y=c.y}, --[[empty]] crate, --[[occupied]] c)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5527"}},{"Add":{"text":" if moves or (p.x == c.x+1 and p.y == c.y) then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5582"}},{"Add":{"text":" -- after the push, both player and crate have moved","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5644"}},{"Add":{"text":" table.insert(cands, {player={x=c.x, y=c.y}, crate={x=c.x-1, y=c.y}, dir='left', moves=moves, prev=cand, path_length=cand.path_length+moves.path_length})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5807"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5819"}},{"Add":{"text":" -- try to push crate right","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5854"}},{"Add":{"text":" moves = find_assumed_empty_path_to_empty_cell(level, p, {x=c.x-1, y=c.y}, crate, c)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:5946"}},{"Add":{"text":" if moves or (p.x == c.x-1 and p.y == c.y) then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6001"}},{"Add":{"text":" table.insert(cands, {player={x=c.x, y=c.y}, crate={x=c.x+1, y=c.y}, dir='right', moves=moves, prev=cand, path_length=cand.path_length+moves.path_length})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6165"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6177"}},{"Add":{"text":" -- try to push crate up","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6209"}},{"Add":{"text":" local moves = find_assumed_empty_path_to_empty_cell(level, p, {x=c.x, y=c.y+1}, crate, c)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6307"}},{"Add":{"text":" if moves or (p.x == c.x and p.y == c.y+1) then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6362"}},{"Add":{"text":" table.insert(cands, {player={x=c.x, y=c.y}, crate={x=c.x, y=c.y-1}, dir='up', moves=moves, prev=cand, path_length=cand.path_length+moves.path_length})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6523"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6535"}},{"Add":{"text":" -- try to push crate down","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6569"}},{"Add":{"text":" moves = find_assumed_empty_path_to_empty_cell(level, p, {x=c.x, y=c.y-1}, crate, c)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6661"}},{"Add":{"text":" if moves or (p.x == c.x and p.y == c.y-1) then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6716"}},{"Add":{"text":" table.insert(cands, {player={x=c.x, y=c.y}, crate={x=c.x, y=c.y+1}, dir='down', moves=moves, prev=cand, path_length=cand.path_length+moves.path_length})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6879"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6891"}},{"Add":{"text":" end end end end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6913"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6914"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:6915"}},{"Add":{"text":"-- like find_empty_path, but always allow going through empty_cell and never allow going through occupied_cell, regardless of what level says","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7057"}},{"Add":{"text":"function find_assumed_empty_path_to_empty_cell(level, src, dst, empty_cell, occupied_cell)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7148"}},{"Add":{"text":" if not is_assumed_empty(level, dst.x, dst.y, empty_cell, occupied_cell) then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7227"}},{"Add":{"text":" return","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7238"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7244"}},{"Add":{"text":" local done = initialize_array(false, lh, lw)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7291"}},{"Add":{"text":" local cands = {}","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7310"}},{"Add":{"text":"--? Real_print('find', src.x, src.y, '-', dst.x, dst.y, '-', empty_cell.x, empty_cell.y, '-', occupied_cell.x, occupied_cell.y)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7440"}},{"Add":{"text":" table.insert(cands, {x=src.x, y=src.y, path_length=0})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7497"}},{"Add":{"text":" while #cands > 0 do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7519"}},{"Add":{"text":" local cand = table.remove(cands, 1)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7559"}},{"Add":{"text":" local x,y, p = cand.x, cand.y, cand.path_length","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7611"}},{"Add":{"text":" if x == dst.x and y == dst.y then return cand end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7665"}},{"Add":{"text":" if y >= 1 and y <= lh and x >= 1 and x <= lw and not done[y][x] then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7738"}},{"Add":{"text":" done[y][x] = true","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7762"}},{"Add":{"text":" if is_assumed_empty(level, x,y, empty_cell, occupied_cell) then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7832"}},{"Add":{"text":" table.insert(cands, {x=x-1, y=y, dir='left', prev=cand, path_length=p+1})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7914"}},{"Add":{"text":" table.insert(cands, {x=x+1, y=y, dir='right', prev=cand, path_length=p+1})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:7997"}},{"Add":{"text":" table.insert(cands, {x=x, y=y-1, dir='up', prev=cand, path_length=p+1})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8077"}},{"Add":{"text":" table.insert(cands, {x=x, y=y+1, dir='down', prev=cand, path_length=p+1})","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8159"}},{"Add":{"text":" end end end end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8181"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8182"}},{"Add":{"text":"function is_assumed_empty(level, x,y, empty, occupied)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8237"}},{"Add":{"text":" if empty.y ~= occupied.y or empty.x ~= occupied.x then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8294"}},{"Add":{"text":" if x == empty.x and y == empty.y then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8336"}},{"Add":{"text":" return true","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8354"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8362"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8368"}},{"Add":{"text":" if x == occupied.x and y == occupied.y then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8414"}},{"Add":{"text":" return false","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8431"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8437"}},{"Add":{"text":" return is_empty(level, x,y)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8467"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8471"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8472"}},{"Add":{"text":"function unwind_steps_to_move_crate(c, out)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8516"}},{"Add":{"text":" -- insert steps in reverse order","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8551"}},{"Add":{"text":" while c do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8564"}},{"Add":{"text":" table.insert(out, c.dir)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8593"}},{"Add":{"text":" unwind_steps(c.moves, out)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8624"}},{"Add":{"text":" c = c.prev","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8639"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8645"}},{"Add":{"text":" return out","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8658"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8662"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8663"}},{"Add":{"text":"function shortest_path(cands)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8693"}},{"Add":{"text":"--? Real_print('', #cands)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8722"}},{"Add":{"text":" local min, minscore = 1, cands[1].path_length","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8770"}},{"Add":{"text":" for i=2,#cands do","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8790"}},{"Add":{"text":" local iscore = cands[i].path_length","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8830"}},{"Add":{"text":"--? Real_print('', i, iscore, '<=>', min,minscore)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8885"}},{"Add":{"text":" if iscore < minscore then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8915"}},{"Add":{"text":" min, minscore = i, iscore","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8947"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8955"}},{"Add":{"text":" end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8961"}},{"Add":{"text":" return min","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8974"}},{"Add":{"text":"end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8978"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:8979"}},{"Add":{"text":"function compute_cell(y, x, dir)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9012"}},{"Add":{"text":" if dir == 'up' then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9034"}},{"Add":{"text":" return y-1, x","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9052"}},{"Add":{"text":" elseif dir == 'down' then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9080"}},{"Add":{"text":" return y+1, x","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9098"}},{"Add":{"text":" elseif dir == 'left' then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9126"}},{"Add":{"text":" return y, x-1","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9144"}},{"Add":{"text":" elseif dir == 'right' then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9173"}},{"Add":{"text":" return y, x+1","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9191"}},{"Add":{"text":" end end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9201"}},{"Add":{"text":"","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9202"}},{"Add":{"text":"function opposite_dir(dir)","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9229"}},{"Add":{"text":" if dir == 'up' then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9251"}},{"Add":{"text":" return 'down'","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9269"}},{"Add":{"text":" elseif dir == 'down' then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9297"}},{"Add":{"text":" return 'up'","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9313"}},{"Add":{"text":" elseif dir == 'left' then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9341"}},{"Add":{"text":" return 'right'","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9360"}},{"Add":{"text":" elseif dir == 'right' then","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9389"}},{"Add":{"text":" return 'left'","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9407"}},{"Add":{"text":" end end","pos":"7FNBZUF2PJZ2ZGZRZXQKZQFQGALELKAU2PIGII4745NUMJXGO6YQC:9417"}}]}},{"Edit":{"inode":{"change":6,"pos":1},"path":"screens/move","line":92,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":3206},"to":{"change":6,"start":753,"end":815},"introduced_by":6},{"previous":"","flag":"DELETED","from":{"change":6,"pos":815},"to":{"change":6,"start":3238,"end":3243},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":3238},"to":{"change":6,"start":3238,"end":3243},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":3243},"to":{"change":6,"start":816,"end":864},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":864},"to":{"change":6,"start":99,"end":176},"introduced_by":6},{"previous":"","flag":"DELETED","from":{"change":6,"pos":176},"to":{"change":6,"start":3349,"end":3732},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":3349},"to":{"change":6,"start":3349,"end":3732},"introduced_by":6}],"inode":{"change":6,"pos":1}}},"contents":[{"Del":{"text":" if add_to_undo then","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:774"}},{"Del":{"text":" table.insert(undo_history, u)","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:808"}},{"Del":{"text":" end","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:814"}},{"Del":{"text":"end","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3241"}},{"Del":{"text":"","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3242"}},{"Del":{"text":"function move_to_empty_space(y, x, add_to_undo)","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:863"}},{"Del":{"text":" local path = unwind_path(find_empty_path(level_state, player, {y=y, x=x}))","pos":"DGJOMSMTXML2XLFFUGCOI477TB55YZ4ZXVBTLQVAIHEWJWBE3KQAC:175"}},{"Del":{"text":" if #path == 0 then return end","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3380"}},{"Del":{"text":" local src = level_state[player.y][player.x]","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3426"}},{"Del":{"text":" local dest = level_state[y][x]","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3459"}},{"Del":{"text":" if dest == CELL_WALL or dest == CELL_CRATE or dest == CELL_CRATE_ON_TARGET then","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3541"}},{"Del":{"text":" return","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3552"}},{"Del":{"text":" end","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3558"}},{"Del":{"text":" local u = {","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3572"}},{"Del":{"text":" {x=player.x, y=player.y, cell=src},","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3612"}},{"Del":{"text":" {x=x, y=y, cell=dest}}","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3639"}},{"Del":{"text":" move_player_to(y, x)","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3662"}},{"Del":{"text":" remove_player_from(player.y, player.x)","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3703"}},{"Del":{"text":" player.x, player.y = x, y","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3731"}}]}},{"Edit":{"inode":{"change":6,"pos":1},"path":"screens/move","line":94,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":921},"to":{"change":6,"start":921,"end":972},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":972},"to":{"change":6,"start":177,"end":241},"introduced_by":6},{"previous":"","flag":"DELETED","from":{"change":6,"pos":241},"to":{"change":6,"start":1030,"end":1376},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":1030},"to":{"change":6,"start":1030,"end":1376},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":1376},"to":{"change":6,"start":4352,"end":4499},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":4499},"to":{"change":5,"start":396,"end":419},"introduced_by":5},{"previous":"","flag":"DELETED","from":{"change":5,"pos":419},"to":{"change":6,"start":869,"end":892},"introduced_by":5},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":869},"to":{"change":6,"start":869,"end":892},"introduced_by":6},{"previous":"","flag":"DELETED","from":{"change":6,"pos":892},"to":{"change":6,"start":4499,"end":5437},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":4499},"to":{"change":6,"start":4499,"end":5437},"introduced_by":6},{"previous":"","flag":"DELETED","from":{"change":6,"pos":5437},"to":{"change":6,"start":1376,"end":1464},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":1376},"to":{"change":6,"start":1376,"end":1464},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":1464},"to":{"change":2,"start":12,"end":95},"introduced_by":2},{"previous":"","flag":"DELETED","from":{"change":2,"pos":95},"to":{"change":6,"start":1464,"end":1495},"introduced_by":2},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":1464},"to":{"change":6,"start":1464,"end":1495},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":1582},"to":{"change":6,"start":1582,"end":1641},"introduced_by":6},{"previous":"","flag":"DELETED","from":{"change":6,"pos":1641},"to":{"change":6,"start":3764,"end":3769},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":3764},"to":{"change":6,"start":3764,"end":3769},"introduced_by":6},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":3769},"to":{"change":6,"start":1642,"end":1789},"introduced_by":6}],"inode":{"change":6,"pos":1}}},"contents":[{"Del":{"text":" end","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:926"}},{"Del":{"text":"end","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:930"}},{"Del":{"text":"","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:931"}},{"Del":{"text":"function plan_move_to_empty_space(y, x)","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:971"}},{"Del":{"text":" local path = find_empty_path(level_state, player, {y=y, x=x})","pos":"DGJOMSMTXML2XLFFUGCOI477TB55YZ4ZXVBTLQVAIHEWJWBE3KQAC:240"}},{"Del":{"text":" if path == nil then return end","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1062"}},{"Del":{"text":" pending_moves = unwind_steps(path, {})","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1103"}},{"Del":{"text":" local src = level_state[player.y][player.x]","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1149"}},{"Del":{"text":" local dest = level_state[y][x]","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1182"}},{"Del":{"text":" local u = {","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1196"}},{"Del":{"text":" {x=player.x, y=player.y, cell=src},","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1236"}},{"Del":{"text":" {x=x, y=y, cell=dest}}","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1263"}},{"Del":{"text":" table.insert(undo_history, u) -- add to undo without making move yet","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1335"}},{"Del":{"text":" next_pending_move = Current_time","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1370"}},{"Del":{"text":"end","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1374"}},{"Del":{"text":"","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1375"}},{"Del":{"text":"function plan_move_crate(y, x)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4382"}},{"Del":{"text":" local path = find_path_for_crate(level_state, player, crate_to_move, {y=y, x=x})","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4465"}},{"Del":{"text":" if path == nil then return end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4498"}},{"Del":{"text":"--? Real_print('--')","pos":"AS76UT6HWXX47T2HMNHVPHNFMGC6WY3PWMWLUWFWYPD7XKMMJ2XAC:418"}},{"Del":{"text":"--? vdump_path(path)","pos":"3AOSRXSHG5UYYVLV5RIDCPEG2NB7H3K23QF7V6EOJCP24TVP5U6QC:891"}},{"Del":{"text":" pending_moves = unwind_steps_to_move_crate(path, {})","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4553"}},{"Del":{"text":" for i=#pending_moves,1,-1 do print(pending_moves[i]) end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4612"}},{"Del":{"text":" local src = level_state[player.y][player.x]","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4658"}},{"Del":{"text":" local crate_cell = level_state[crate_to_move.y][crate_to_move.x]","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4725"}},{"Del":{"text":" local dest = level_state[y][x]","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4758"}},{"Del":{"text":" local u = {","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4772"}},{"Del":{"text":" {x=player.x, y=player.y, cell=src},","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4812"}},{"Del":{"text":" {x=crate_to_move.x, y=crate_to_move.y, cell=crate_cell},","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4873"}},{"Del":{"text":" {x=x, y=y, cell=dest}}","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4900"}},{"Del":{"text":" print('player initial', player.x, player.y, src)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:4951"}},{"Del":{"text":" print('crate initial', crate_to_move.x, crate_to_move.y, crate_cell)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5022"}},{"Del":{"text":" print('crate final', x, y, dest)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5057"}},{"Del":{"text":" -- we also need to save the initial state of the final position of the player","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5137"}},{"Del":{"text":" local fpy,fpx = compute_cell(y,x, opposite_dir(pending_moves[1]))","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5205"}},{"Del":{"text":" print('player final', fpx, fpy, level_state[fpy][fpx])","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5262"}},{"Del":{"text":" table.insert(u, {x=fpx, y=fpy, cell=level_state[fpy][fpx]})","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5324"}},{"Del":{"text":" table.insert(undo_history, u) -- add to undo without making move yet","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5396"}},{"Del":{"text":" next_pending_move = Current_time","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5431"}},{"Del":{"text":"end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5435"}},{"Del":{"text":"","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5436"}},{"Del":{"text":"function car.update()","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1397"}},{"Del":{"text":" if next_pending_move and Current_time >= next_pending_move then","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1463"}},{"Del":{"text":" local dir = table.remove(pending_moves)","pos":"53APNOQ4GXIZOVOAQ7D77NTHX5IR5UEUYKAEEXUMUT2OWZDC2XCAC:55"}},{"Del":{"text":" move(dir, --[[add to undo]] false)","pos":"53APNOQ4GXIZOVOAQ7D77NTHX5IR5UEUYKAEEXUMUT2OWZDC2XCAC:94"}},{"Del":{"text":" if #pending_moves > 0 then","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1494"}},{"Del":{"text":" next_pending_move = Current_time + 0.1","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1626"}},{"Del":{"text":" end","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1634"}},{"Del":{"text":" end","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1640"}},{"Del":{"text":"end","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3767"}},{"Del":{"text":"","pos":"AHABKD5VEK5RSTM3CME4XJAHCVTHYV2D2WAWUGSJ6PBUCUI7CB3AC:3768"}},{"Del":{"text":"function make_all_pending_moves()","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1675"}},{"Del":{"text":" while #pending_moves > 0 do","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1705"}},{"Del":{"text":" local dir = table.remove(pending_moves)","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1749"}},{"Del":{"text":" move(dir, --[[add to undo]] false)","pos":"7GQ5TOWHFPXHGR7RFYWHWWMO32MDSVVK7WRLWDEROVTKCQRHRMTAC:1788"}}]}},{"Edit":{"inode":{"change":6,"pos":1},"path":"screens/move","line":155,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":6,"pos":4963},"to":{"change":6,"start":5438,"end":5877},"introduced_by":6}],"inode":{"change":6,"pos":1}}},"contents":[{"Del":{"text":"","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5438"}},{"Del":{"text":"function compute_cell(y, x, dir)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5471"}},{"Del":{"text":" if dir == 'up' then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5493"}},{"Del":{"text":" return y-1, x","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5511"}},{"Del":{"text":" elseif dir == 'down' then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5539"}},{"Del":{"text":" return y+1, x","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5557"}},{"Del":{"text":" elseif dir == 'left' then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5585"}},{"Del":{"text":" return y, x-1","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5603"}},{"Del":{"text":" elseif dir == 'right' then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5632"}},{"Del":{"text":" return y, x+1","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5650"}},{"Del":{"text":" end end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5660"}},{"Del":{"text":"","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5661"}},{"Del":{"text":"function opposite_dir(dir)","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5688"}},{"Del":{"text":" if dir == 'up' then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5710"}},{"Del":{"text":" return 'down'","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5728"}},{"Del":{"text":" elseif dir == 'down' then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5756"}},{"Del":{"text":" return 'up'","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5772"}},{"Del":{"text":" elseif dir == 'left' then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5800"}},{"Del":{"text":" return 'right'","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5819"}},{"Del":{"text":" elseif dir == 'right' then","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5848"}},{"Del":{"text":" return 'left'","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5866"}},{"Del":{"text":" end end","pos":"BUPMQLGRZJFGYEY7DI7YV7V3URUE5HVT2AFQHQBG2GORLNSRW7VAC:5876"}}]}}],"owner":"akkartik","repo":"sokoban.love","login":null}

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