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psyced/place/blackjack.c

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#include <net.h>
/* a room that plays 17+4
*
* output messages are not multilingual/textdb compliant. :(
* they are also all missing trailing periods.. ;)
*/
#define ON_COMMAND if (mycmd(command, args, source)) return 1;
#define NAME "BLACKJACK"
#include <place.gen>
#define DECK_SIZE 52
#define GAME_RUNNING sizeof(players)
volatile array(int) deck;
volatile int deck_top; // oberste karte
volatile array(mixed) cards;
volatile array(int) deny;
volatile array(object) players;
volatile int currentplayer;
volatile mapping colormap = ([ 0 : "Herz", 1 : "Karo", 2: "Pik", 3: "Kreuz" ]);
volatile mapping facemap = ([0:"As", 1:"2", 2:"3", 3:"4", 4:"5", 5:"6", 6:"7", 7:"8", 8:"9", 9:"10", 10:"Bube", 11:"Dame", 12:"Koenig" ]);
volatile mapping valuemap = ([0:11, 1:2, 2:3, 3:4, 4:5, 5:6, 6:7, 7:8, 8:9, 9:10, 10:10, 11:10, 12:10 ]);
#define card_name(i) colormap[i / 13] + " " + facemap[i % 13]
#define card_value(i) valuemap[i % 13]
#define PLAYER(o) (objectp(o) ? o->qName() : o)
void shuffle() {
deck = allocate(DECK_SIZE);
for (int i = 0; i < DECK_SIZE; i++)
deck[i] = i;
for (int i=0; i<DECK_SIZE-1; i++) {
int r = i + random(DECK_SIZE-i);
{ // swap
int t = deck[i];
deck[i] = deck[r];
deck[r] = t;
}
}
deck_top = 0;
}
int calculate_value() {
int sum = 0;
for (int i = 0; i < sizeof(cards[currentplayer]); i++)
sum += card_value(cards[currentplayer][i]);
return sum;
}
int next_player() {
for (int next = (currentplayer+1) % sizeof(players);
next != currentplayer;
next = (next + 1) % sizeof(players))
if (!deny[next])
return next;
if (!deny[currentplayer])
return currentplayer;
return -1;
}
end_game() {
int winner_sum = 0;
int winner = -1;
int draw = 0;
// evaluate statistics for each player
for (currentplayer = 0; currentplayer < sizeof(players); currentplayer++) {
int val = calculate_value();
if (val > 21)
continue;
if (val > winner_sum) {
winner_sum = val;
winner = currentplayer;
draw = 0;
} else if (val == winner_sum) {
if (sizeof(cards[currentplayer]) < sizeof(cards[winner])) {
winner = currentplayer;
} else if (sizeof(cards[currentplayer]) == sizeof(cards[winner])) {
draw = 1;
}
}
}
if (winner == -1 || draw) {
castmsg(ME, "_notice_place_game_end_draw", "Game over. It's a draw.", ([ ]));
} else {
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// This is an example of how you should NOT do it.. please put _nick_player
// into the variables or how is anyone supposed to add translations to this?
castmsg(ME, "_notice_place_game_end",
"Game over. " + PLAYER(players[winner]) + " gewinnt mit " + winner_sum + " Punkten.",
([ ]));
}
// reset globals
currentplayer = 0;
players = ({ });
}
// deals a card (and shows everyone (public_card=1) or just the player
void deal_card(int public_card) {
int current_card = deck[deck_top];
deck_top++;
cards[currentplayer] += ({ current_card });
if (public_card) {
castmsg(ME, "_notice_place_game_card",
PLAYER(players[currentplayer]) + " zieht " + card_name(current_card)+". " + calculate_value() + " Punkte.",
([ ]));
} else {
sendmsg(players[currentplayer], "_notice_place_game_card",
"Du ziehst " + card_name(current_card) + ". " + calculate_value() + " Punkte.",
([ "_nick_place" : MYNICK ]));
}
if (current_card == DECK_SIZE) {
end_game();
}
}
start_game() {
shuffle();
players = m_indices(_u);
deny = allocate(sizeof(players), 0);
cards = allocate(sizeof(players), ({ }));
castmsg(ME, "_notice_place_game_start", "Das Spiel beginnt.", ([ ]));
// two rounds for everyone, first one public
for (currentplayer = 0; currentplayer < sizeof(players); currentplayer++) {
deal_card(1);
}
for (currentplayer = 0; currentplayer < sizeof(players); currentplayer++) {
deal_card(0);
}
// no one can lose currently
currentplayer = 0;
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castmsg(ME, "_notice_place_game_player_next", PLAYER(players[currentplayer]) + " ist am Zug.", ([ ]));
}
take_card(object theplayer) {
if (theplayer == players[currentplayer]) {
deal_card(0);
if (calculate_value() > 21) { // verloren
// potentiell offenlegen
castmsg(ME, "_notice_place_game_player_lose",
PLAYER(players[currentplayer]) + " verliert mit mehr als 21 Punkten", ([ ]));
deny[currentplayer] = 1;
}
if (players) {
currentplayer = next_player();
if (currentplayer != -1)
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castmsg(ME, "_notice_place_game_player_next", PLAYER(players[currentplayer]) + " ist am Zug.", ([ ]));
else
end_game();
}
return 1;
} else {
P0(("%O ist nicht dran, %O ist am zug\n", theplayer, players[currentplayer]))
// FIXME: du bist nicht dran
}
}
deny_card(object theplayer) {
if (theplayer == players[currentplayer]) {
deny[currentplayer] = 1;
castmsg(ME, "_notice_place_game_deny", PLAYER(players[currentplayer]) + " zieht keine Karte.", ([ ]));
currentplayer = next_player();
if (currentplayer != -1)
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castmsg(ME, "_notice_place_game_player_next", PLAYER(players[currentplayer]) + " ist am Zug.", ([ ]));
else
end_game();
} else {
// hm... not taking a card may be decided in advance?
}
}
mycmd(a, args, source) {
switch (a) {
case "start":
if (GAME_RUNNING) {
// FIXME: game is running, error
start_game();
} else {
start_game();
}
return 1;
case "take":
if (GAME_RUNNING) {
take_card(source);
} else {
P0(("take card went wrong, no game is running\n"))
// FIXME: no game running
}
return 1;
case "deny":
if (GAME_RUNNING) {
deny_card(source);
} else {
P0(("deny card went wrong, no game is running\n"))
// FIXME: no gaming running
}
return 1;
}
}