Version 1.6: less bitwise op deps, save/load functionality, no cheatmode anymore
This commit is contained in:
Luxferre
@@ -9,7 +9,7 @@ numerous fixes, optimizations and further gameplay improvements.
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The overall command for running awlite looks like this:
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LC_ALL=C awk -f awlite.awk [-v NO_ALIEN_ITEMS=1] [-v CENSORED=1] [-v CHEAT=1]
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LC_ALL=C awk -f awlite.awk [-v NO_ALIEN_ITEMS=1] [-v CENSORED=1]
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You can replace "awk" with "nawk", "busybox awk", "gawk --posix",
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"mawk -W posix" etc depending on which AWK implementation you have.
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@@ -20,8 +20,7 @@ nawk and busybox awk might not need it.
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Optionally, you can also supply these flags to change some game aspects:
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* -v NO_ALIEN_ITEMS=1 forces "Alien Items" goods unavailability in the game;
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* -v CENSORED=1 replaces "Slaves", "Narcotics" and "Liquors" goods names;
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* -v CHEAT=1 enables "cash" and "sneak" commands in the REPL.
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* -v CENSORED=1 replaces "Slaves", "Narcotics" and "Liquors" goods names.
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Of course, awlite is fully scriptable, e.g. you can append < script.txt to the
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basic game launch command.
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@@ -43,16 +42,13 @@ From now on, the following commands are available (case-insensitive):
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* mkt: show local planetary system market prices
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* local: list planetary systems within 7 lightyears (your max fuel capacity)
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* hold: expand your cargo bay to 35t for 400 credits (one-time upgrade only)
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* save (name): save the gamestate in the current working directory
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* load (name): load the gamestate from the current working directory
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* help: display an in-game command help screen
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* rand: toggle between the AWK's native PRNG (default) and a custom one
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* quit: quit the game
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The following commands are only available in the cheat mode (-v CHEAT=1):
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* cash (number): add (number) to your cash balance
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* sneak (planetname): fly to planetname without spending fuel
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All commands except "hold", "cash" and "sneak" can be abbreviated by their
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All commands except "hold", "save" and "load" can be abbreviated by their
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first letter. In addition, trade goods names can be abbreviated too (by several
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first letters). E.g. "b fo 5" is the same as "buy Food 5", and "q" is "quit".
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@@ -60,11 +56,10 @@ Fuel price is fixed at 0.2 CR/LY, you can hold 7LY of fuel at most.
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== Gameplay differences from the original TE 1.5 C version ==
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As of the current version, 1.5.8:
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As of the current version, 1.6:
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* multiple typos corrected in text strings
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* the "cash" and "sneak" commands are only available to the REPL if running
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with -v CHEAT=1
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* the "cash" and "sneak" commands were removed since v1.6
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* galaxy jumps are no longer free and cost 5000 credits each
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(like in classic Elite and Oolite)
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* cargo hold expansion also is non-free (400 credits) and can only be
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@@ -76,6 +71,7 @@ As of the current version, 1.5.8:
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* the following goods have been renamed: "Robot Slaves" to "Robots",
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"Liquor/Wines" to "Liquors", "Gem-Strones" to "Gem-stones"
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* market and local info tables are better aligned
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* state saving/loading functionality introduced with "save"/"load" commands
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To be continued. This list is expected to grow in the future.
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@@ -129,11 +125,14 @@ Because the current AWK gaming scene is rather poor (besides a handful of some
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GAWK-specific games), and it is an interesting challenge to port such a title
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to an environment requiring nothing except a bare kernel and BusyBox to play.
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- Why did you keep the cheating commands present in the original?
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- Why didn't you keep the cheating commands present in the original?
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To preserve backward compatibilty with some trading scripts written for the
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original Text Elite versions. Once it is proven the scripts won't work
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correctly anyway, the cheat mode will be removed from awlite.
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In version 1.5.8, the commands "sneak" and "cash" were there in a special
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"cheat mode" to preserve backward compatibilty with some trading scripts
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written for the original Text Elite versions. Once it was proven the scripts
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won't work correctly anyway, the cheat mode was removed starting with awlite
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1.6. You can manipulate the savefiles to achieve the same functionality if
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you really need to cheat.
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- Why don't the scripts give the same results as for the original TE.EXE?
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+42
-45
@@ -1,5 +1,5 @@
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# awlite: POSIX AWK port of Text Elite
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# Version 1.5.8
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# Version 1.6.0
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# Original high-level algorithms from Text Elite 1.5 by Ian Bell, 1999, 2015
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# Porting, corrections, improvements and optimizations by Luxferre, 2024
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#
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@@ -9,7 +9,6 @@
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#
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# Gameplay differences from the original C version of TE 1.5:
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# - multiple typos corrected in text strings
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# - the "cash" and "sneak" commands are only available to the REPL if running with -v CHEAT=1
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# - galaxy jumps are no longer free and cost 5000 credits each (like in classic Elite and Oolite)
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# - cargo hold expansion also is non-free (400 credits) and can only be done once from 20t to 35t (like in classic Elite)
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# - alien items are available by default, can be overridden with -v NO_ALIEN_ITEMS=1
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@@ -17,6 +16,8 @@
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# - the "politically correct" goods names are turned on with -v CENSORED=1
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# - the following goods have been renamed: "Robot Slaves" to "Robots", "Liquor/Wines" to "Liquors", "Gem-Strones" to "Gem-stones"
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# - market and local info tables are better aligned
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# - the "cash" and "sneak" commands are removed since v1.6 (use saves to cheat)
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# - state saving functionality since v1.6 with "save" and "load" commands
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# ... to be continued ...
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# utility functions
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@@ -75,26 +76,6 @@ function bw_and(a, b, v, r) {
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}
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return int(r)
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}
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function bw_or(a, b, v, r) {
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v = 1; r = 0
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while(a > 0 || b > 0) {
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if((a%2) == 1 || (b%2) == 1) r += v
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a = int(a/2)
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b = int(b/2)
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v *= 2
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}
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return int(r)
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}
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function bw_xor(a, b, v, r) {
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v = 1; r = 0
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while(a > 0 || b > 0) {
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if((a%2) != (b%2)) r += v
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a = int(a/2)
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b = int(b/2)
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v *= 2
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}
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return int(r)
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}
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# ============================ #
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# Game code itself starts here #
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@@ -156,8 +137,9 @@ function makesystem(seeds, sinfo, p1, p2, p3, p4, lnf, ecof, sname) {
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sinfo["y"] = int(seeds[0] / 256)
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sinfo["govtype"] = int(seeds[1] / 8) % 8
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sinfo["economy"] = int(seeds[0] / 256) % 8
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if(sinfo["govtype"] <= 1) sinfo["economy"] = bw_or(sinfo["economy"], 2)
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ecof = bw_xor(sinfo["economy"], 7)
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if(sinfo["govtype"] <= 1)
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sinfo["economy"] = 2 + (sinfo["economy"]%2) + (sinfo["economy"]>3?4:0)
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ecof = 7 - sinfo["economy"]
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sinfo["techlev"] = (sinfo["x"] % 4) + ecof + int(sinfo["govtype"] / 2)
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if((sinfo["govtype"] % 2) == 1) sinfo["techlev"]++
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sinfo["population"] = 4 * (sinfo["techlev"]) + sinfo["economy"] + sinfo["govtype"] + 1
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@@ -378,15 +360,6 @@ function dojump(s, dest, d, p, si) {
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return 1
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}
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# dojump without fuel expense
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function dosneak(s, kp, r) {
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kp = player["fuel"]
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player["fuel"] = 666
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r = dojump(s)
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player["fuel"] = kp
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return r
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}
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# jump to next galaxy (planet number is preserved)
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function dogalhyp() {
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if(player["cash"] > game["galhypcost"]) {
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@@ -486,12 +459,6 @@ function dofuel(f) {
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return 1
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}
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# (cheat) alter cash command implementation
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function docash(s) {
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player["cash"] += int(10 * s)
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if(player["cash"] < 0) player["cash"] = 0
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}
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# show stock market
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function domkt() {
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displaymarket()
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@@ -505,17 +472,47 @@ function dohelp() {
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printf("\nSell product amount")
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printf("\nFuel amount (buy amount LY of fuel)")
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printf("\nJump planetname (limited by fuel)")
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if(CHEAT) printf("\nSneak planetname (any distance - no fuel cost)")
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printf("\nGalhyp (jumps to next galaxy)")
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printf("\nInfo planetname (prints info on system)")
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printf("\nMkt (shows market prices)")
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printf("\nLocal (lists systems within 7 lightyears)")
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if(CHEAT) printf("\nCash number (alters cash)")
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printf("\nHold (expand cargo bay to %dt)", game["cargoexpsize"])
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printf("\nSave playername (save game into current working directory)")
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printf("\nLoad playername (load game from current working directory)")
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printf("\nQuit or ^D (exit)")
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printf("\nHelp (display this text)")
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printf("\nRand (toggle RNG)")
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printf("\n\nAbbreviations allowed eg. b fo 5 = Buy Food 5, m= Mkt")
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printf("\n\nAbbreviations allowed eg. b fo 5 = Buy Food 5, m = Mkt")
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}
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# Save/load functionality
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function dosave(savename, fs, fn) {
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gsub(/[^[:alnum:]]/, "_", savename) # sanitize all non-alnum chars
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player["cargo"] = assocser(shipshold, "@")
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fs = assocser(player, "|")
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delete player["cargo"]
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fn = savename ".awlite"
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printf("%s\n", fs) >> fn # write the savefile
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close(fn)
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printf("\nGame saved in %s", fn)
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}
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function doload(savename, fn, fs) {
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gsub(/[^[:alnum:]]/, "_", savename) # sanitize all non-alnum chars
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fn = savename ".awlite"
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if((getline fs < fn) > 0) { # read the savefile
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split("", player) # clear the player array
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split("", shipshold) # clear the shipshold array
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assocdes(fs, player, "|")
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assocdes(player["cargo"], shipshold, "@")
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delete player["cargo"]
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split("", globalseeds) # init galaxy seeds
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buildgalaxy(player["galaxynum"], globalseeds) # build the current galaxy
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genmarket(0, economies[player["currentplanet"]]) # build local market
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printf("\nGame loaded from %s", fn)
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} else printf("\nError reading the savefile!")
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close(fn)
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}
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# Game init procedure: first thing to call in the BEGIN block
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@@ -614,7 +611,7 @@ BEGIN {
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split("", globalseeds) # init galaxy seeds
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buildgalaxy(player["galaxynum"], globalseeds) # build the current galaxy
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genmarket(0, economies[player["currentplanet"]]) # build local market
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printf("\nWelcome to awlite 1.5.8 (based on Text Elite 1.5)\n")
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printf("\nWelcome to awlite 1.6.0\n")
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dohelp()
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# start the REPL
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printf("\n\nCash: %.1f> ", player["cash"]/10)
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@@ -635,8 +632,8 @@ BEGIN {
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else if(action == "j" || action == "jump") dojump(paramstr)
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else if(action == "f" || action == "fuel") dofuel(paramstr)
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else if(action == "hold") dohold(game["cargoexpsize"])
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else if(CHEAT && action == "cash") docash(paramstr)
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else if(CHEAT && action == "sneak") dosneak(paramstr)
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else if(action == "save") dosave(paramstr)
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else if(action == "load") doload(paramstr)
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else printf("Unknown command")
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printf("\n\nCash: %.1f> ", player["cash"]/10)
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}
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