Merge remote-tracking branch 'PeridexisErrant/digfort-checks'

Conflicts:
	NEWS

NEWS

@@ -3,6 +3,7 @@ DFHack Future
         plugins will not be loaded if globals they specify as required are not located (should prevent some crashes)
     Fixes
         advfort works again
+        digfort: now checks file type and existence
         exportlegends: Fixed map export
         full-heal: Fixed a problem with selecting units in the GUI
         gui/hack-wish: Fixed restrictive material filters

scripts/digfort.rb

@@ -1,31 +1,26 @@
 # designate an area for digging according to a plan in csv format
 
-raise "usage: digfort <plan filename>" if not $script_args[0]
-planfile = File.read($script_args[0])
+fname = $script_args[0].to_s
 
-if df.cursor.x == -30000
-	puts "place the game cursor to the top-left corner of the design"
+if not $script_args[0] then 
+    puts "  Usage: digfort <plan filename>"
+    throw :script_finished
+end
+if not fname[-4..-1] == ".csv" then
+    puts "  The plan file must be in .csv format."
+    throw :script_finished
+end
+if not File.file?(fname) then
+    puts "  The specified file does not exist."
     throw :script_finished
 end
 
-# a sample CSV file
-# empty lines are ignored
-# a special comment with start(dx, dy) means the actual patterns starts at cursor.x-dx, cursor.y-dy
-# the CSV file should be saved in the main DF directory, alongside of Dwarf Fortress.exe
-sample_csv = <<EOS
-# start(3, 4)
- ,d,d,d,d,d,d
-d, , , , , , ,d
-d, , , , , , ,d
-d, ,d, , ,d, ,d
-h, , , , , , ,h
-h,h,h,h,h,h,h,h
-h,h, ,d,d, ,h,h
-h,h,h,h,h,h,h,h
- ,h,h,h,h,h,h 
- , , ,h,h,h
- , , , ,h,h
-EOS
+planfile = File.read(fname)
+
+if df.cursor.x == -30000
+    puts "place the game cursor to the top-left corner of the design and retry"
+    throw :script_finished
+end
 
 offset = [0, 0]
 tiles = []
@@ -43,7 +38,7 @@ planfile.each_line { |l|
     }
 }
 
-x = x0 = df.cursor.x - offset[0]
+x = df.cursor.x - offset[0]
 y = df.cursor.y - offset[1]
 z = df.cursor.z
 
@@ -63,8 +58,8 @@ tiles.each { |line|
         end
         x += 1
     }
-	x = x0
+    x = df.cursor.x - offset[0]
     y += 1
 }
 
-puts 'done'
+puts '  done'