moved cmd to own repository and finshed re-structuring of project (96fefbef) · Commits · bsmrgo / wator

pkg/wator/cell.go→cell.go

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cmd/wator/main.go

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		package main

		import (
		"fmt"
		"strconv"
		"time"

		"repositories.muehmer.net/bsmrgo/wator/pkg/wator"
		)

		func main() {
		// setup environment
		w := &wator.Wator{
		Debug: false, //true,
		Width: 72, //32,
		Height: 36, //14,
		InitialFishes: 400, //200,
		InitialSharks: 40, //20,
		BreedFish: 3,
		BreedShark: 30,
		StarveShark: 2,
		SleepMilliseconds: 50 * time.Millisecond,
		}

		initialize(w)
		print(w)
		repl(w)
		}

		func repl(w *wator.Wator) {
		cycles := read()
		if cycles == 0 {
		return
		}
		for i := 0; i < cycles; i++ {
		if i > 0 {
		time.Sleep(w.SleepMilliseconds)
		}
		evaluate(w)
		print(w)
		}
		repl(w)
		}

		func initialize(w *wator.Wator) {
		if err := w.Populate(); err != nil {
		panic(err)
		}
		}

		func print(w *wator.Wator) {
		fmt.Printf("\033[H\033[2J") // TBD: remove this hack
		if err := w.Display(); err != nil {
		panic(err)
		}
		fmt.Printf("%s\n", w)
		}

		func evaluate(w *wator.Wator) {
		if err := w.Next(); err != nil {
		panic(err)
		}
		}

		func read() int {
		cycles := 1
		done := false
		for !done {
		fmt.Printf("Command: ")
		var s string
		n, err := fmt.Scanf("%s", &s)
		if n == 0 {
		s = "n"
		err = nil
		}
		if err != nil {
		panic(err)
		}
		if num, err := strconv.Atoi(s); (err == nil) && (num > 0) && (num <= 100000) {
		done = true
		cycles = num
		}
		if !done {
		switch s {
		case "?", "h", "help":
		usage()
		case "n", "next":
		done = true
		case "q", "quit":
		cycles = 0
		done = true
		default:
		fmt.Printf("Unknown command \"%s\"\n", s)
		}
		}
		}
		return cycles
		}

		func usage() {
		fmt.Println("--- Commands ---")
		fmt.Println("?, h, help: show this usage information")
		fmt.Println("n, next : calculate next iteration")
		fmt.Println("<number> : do <number> iterations")
		fmt.Println("q, quit : terminate wator")
		}

pkg/wator/fish.go→fish.go

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pkg/wator/fish_test.go→fish_test.go

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pkg/wator/ocean.go→ocean.go

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