RosettaCodeData/Task/RPG-attributes-generator/CLU/rpg-attributes-generator.clu
2023-07-01 13:44:08 -04:00

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% This program needs to be merged with PCLU's "misc" library
% to use the random number generator.
%
% pclu -merge $CLUHOME/lib/misc.lib -compile rpg_gen.clu
% Seed the random number generator with the current time
init_rng = proc ()
d: date := now()
seed: int := ((d.hour*60) + d.minute)*60 + d.second
random$seed(seed)
end init_rng
character = cluster is generate
rep = null
% Roll a die
roll_die = proc () returns (int)
return (1 + random$next(6))
end roll_die
% Roll four dice and get the sum of the highest three rolls
roll_four_times = proc () returns (int)
lowest: int := 7 % higher than any dice roll
sum: int := 0
for i: int in int$from_to(1,4) do
roll: int := roll_die()
sum := sum + roll
if roll < lowest then lowest := roll end
end
return (sum - lowest)
end roll_four_times
% Try to generate a character by rolling six values
try_generate = proc () returns (sequence[int])
rolls: sequence[int] := sequence[int]$[]
for i: int in int$from_to(1,6) do
rolls := sequence[int]$addh(rolls, roll_four_times())
end
return (rolls)
end try_generate
% See if a character is valid
valid = proc (c: sequence[int]) returns (bool)
total: int := 0
at_least_15: int := 0
for i: int in sequence[int]$elements(c) do
total := total + i
if i >= 15 then at_least_15 := at_least_15 + 1 end
end
return (total >= 75 & at_least_15 >= 2)
end valid
% Generate a character
generate = proc () returns (sequence[int])
while true do
c: sequence[int] := try_generate()
if valid(c) then return(c) end
end
end generate
end character
% Generate a character and display the six values
start_up = proc ()
po: stream := stream$primary_output()
init_rng()
hero: sequence[int] := character$generate()
for stat: int in sequence[int]$elements(hero) do
stream$putright(po, int$unparse(stat), 4)
end
end start_up