Class: FifthedSim::RollRepl

Inherits:
Object
  • Object
show all
Defined in:
lib/fifthed_sim/roll_repl.rb

Instance Method Summary collapse

Constructor Details

#initialize(inspect = true, errors = false) ⇒ RollRepl

Returns a new instance of RollRepl.



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# File 'lib/fifthed_sim/roll_repl.rb', line 3

def initialize(inspect = true, errors = false)
  @inspect = inspect
  @errors = errors
end

Instance Method Details

#display_compile_error(err, cmd) ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 83

def display_compile_error(err, cmd)
  if @errors
    error_msg("Could not read line: #{err.tree_cause}")
  else
    error_msg("Could not read line: #{err.message}")
  end
end

#display_roll(r) ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 70

def display_roll(r)
  if @inspect
    puts "  =  " + r.value_equation(terminal: true)
    puts "  => " + Rainbow(r.value.to_s).underline.bright.to_s
  else
    puts r.value.to_s
  end
end

#error_msg(msg) ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 79

def error_msg(msg)
  puts Rainbow(msg).color(:red).bright
end

#exit ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 99

def exit
  puts "Goodbye."
  exit!
end

#help ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 104

def help
  cmd = ->(a){ Rainbow(a.to_s).bright.underline + ":" }
  puts %Q{COMMANDS:
  #{cmd[:help]} display this message
  #{cmd[:inspect]} toggle equation inspection
  #{cmd[:quit]} exit the roller
  #{cmd[:errors]} toggle in-depth compile errors for dice expressions
  #{cmd["arrow keys"]} navigate like GNU readline
  #{cmd[:info]} get info about the previous roll, or a roll on this line.
  #{cmd["rr, reroll"]} reroll the previous dice
  }
end

#info(cmd) ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 21

def info(cmd)
  s = cmd.gsub(/info/, "").chomp
  if s.length > 0
    run_command(s)
  end
  return error_msg("Have nothing to get info of") unless @last_roll
  lb = ->(x){Rainbow(x).color(:yellow).bright.to_s + ": "}
  puts (%i(max min percentile).map do |p|
    lb[p] + @last_roll.public_send(p).to_s
  end.inject{|m, x| m + ", " + x})
end

#reroll ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 33

def reroll
  return error_msg("Nothing to reroll") unless @last_roll
  display_roll(@last_roll.reroll)
end

#roll(cmd) ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 58

def roll(cmd)
  r = DiceExpression(cmd)
  @last_roll = r
  display_roll(r)
rescue FifthedSim::Compiler::CompileError => e
  if e.char
    display_compile_error(e, cmd)
  else
    error_msg("Could not parse expression!")
  end
end

#run(kill_on_interrupt = false) ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 8

def run(kill_on_interrupt = false)
  begin
    while buf = Readline.readline("> ", true)
      run_cmd(buf)
      kill_on_interrupt = false
    end
  rescue Interrupt
    self.exit if kill_on_interrupt
    puts "Control-C again or 'Exit' to quit"
    run(true)
  end
end

#run_cmd(cmd) ⇒ Object 



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# File 'lib/fifthed_sim/roll_repl.rb', line 38

def run_cmd(cmd)
  case cmd
  when /(quit|exit|stop)/
    self.exit
  when "rr", "reroll"
    self.reroll
  when /info/

    self.info(cmd)
  when "help"
    self.help
  when "inspect"
    toggle_inspect
  when "errors"
    toggle_errors
  else
    self.roll(cmd)
  end
end