mirror of
https://github.com/DrBeef/Raze.git
synced 2024-11-18 02:01:46 +00:00
101 lines
2.3 KiB
Lua
101 lines
2.3 KiB
Lua
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#!/usr/bin/env luajit
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local io = require("io")
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local os = require("os")
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local string = require("string")
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local format = string.format
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local table = require("table")
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local B = require("build")
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local ffi = require("ffi")
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local C = ffi.C
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ffi.cdef[[
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int memcmp(const void *s1, const void *s2, size_t n);
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]]
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local fn1, fn2 = arg[1], arg[2]
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local noOnlyLeft = (arg[3]=="-l") -- don't show diff lines where left has tile, right hasn't
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local function err(str)
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io.stderr:write(str, "\n")
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os.exit(1)
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end
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local function printf(fmt, ...)
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io.stdout:write(string.format(fmt, ...), "\n")
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end
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if (not fn1 or not fn2) then
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err("Usage: "..arg[0].." </path/to/tilesXXX.ART> </path/to/tilesYYY.ART> [-l]")
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end
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local af1, errmsg = B.artfile(fn1)
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if (errmsg) then
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err(errmsg)
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end
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local af2, errmsg = B.artfile(fn2)
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if (errmsg) then
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err(errmsg)
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end
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-- Check for same start/end
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if (af1.tbeg ~= af2.tbeg) then
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err("tile starts differ: "..af1.tbeg.." "..af2.tbeg)
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end
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if (af1.tend ~= af2.tend) then
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err("tile ends differ: "..af1.tend.." "..af2.tend)
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end
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-- Compare the two ART files
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local SIZEOF_PICANM = ffi.sizeof(af1.picanm[0])
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for i=0,af1.numtiles-1 do
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local sx1, sx2 = af1.sizx[i], af2.sizx[i]
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local sxdif = (sx1 ~= sx2)
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local sy1, sy2 = af1.sizy[i], af2.sizy[i]
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local sydif = (sy1 ~= sy2)
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local sizedif = (sxdif or sydif)
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local picanmdif = (C.memcmp(af1.picanm[i], af2.picanm[i], SIZEOF_PICANM) ~= 0)
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local datadif = false
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-- compare data
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if (not sizedif) then
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local pic1 = af1:getpic(i)
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local pic2 = af2:getpic(i)
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if (pic1 and pic2 and C.memcmp(pic1, pic2, sx1*sy1) ~= 0) then
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datadif = true
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end
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end
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if (sizedif or picanmdif or datadif) then
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local strbuf = {}
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local s1str = sx1*sy1==0 and "none" or format("(%d,%d)", sx1, sy1)
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local s2str = sx2*sy2==0 and "none" or format("(%d,%d)", sx2, sy2)
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if ((sxdif or sydif) and (not noOnlyLeft or s2str ~= "none")) then
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strbuf[#strbuf+1] = format("size %s %s", s1str, s2str)
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end
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if (picanmdif) then
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strbuf[#strbuf+1] = "picanm"
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end
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if (not sizedif and datadif) then
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strbuf[#strbuf+1] = "data"
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end
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if (#strbuf > 0) then
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io.stdout:write(i..": "..table.concat(strbuf, ", "), "\n")
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end
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end
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end
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