use Win32::API;
$|++;

typedef Win32::API::Struct gs_peerchat_ctx => qw{
    char gs_peerchat_1; 
    char gs_peerchat_2;
    char gs_peerchat_crypt[256];
  };

#typedef struct {
#    unsigned char   gs_peerchat_1;
#    unsigned char   gs_peerchat_2;
#    unsigned char   gs_peerchat_crypt[256];
#} gs_peerchat_ctx;


#gs_peerchat_init
#----------------
#needs 3 arguments:
#- the gs_peerchat_ctx structure
#- the challenge of the host which refers the structure
#- the gamekey of the game

#void gs_peerchat_init(gs_peerchat_ctx *ctx, unsigned char *chall, unsigned char *gamekey)
Win32::API->Import('gs_peerchat', 'gs_peerchat_init(irc_data gs_peerchat_ctx, challenge ^challengepointer, gamekey ^gamekeypointer)');


# ^name = pointer
# irc_data daten die übergeben/gelesen werden (codierte daten in peerchat_ctx, routine callen, klartext in irc_data lesen yadayada)

#gs_peerchat
#-----------
#needs 3 arguments:
#- ctx:  the gs_peerchat_ctx structure
#- data: the buffer containing the data to encrypt/decrypt
#- size: the size of the data

#void gs_peerchat(gs_peerchat_ctx *ctx, unsigned char *data, int size)
Win32::API->Import('gs_peerchat', 'gs_peerchat(irc_data gs_peerchat_ctx, irc_buffer ^irc_bufferpointer, size integer)');

#peerchat_ctx = variableninhalt, type gs_peerchat_ctx definiert da oben mit den typedef
#muss vermutlich geändert werden

#1. functionstest, darf das gamekey heissen oder lieber anders weils da oben im import auch genannt ist (nicht das es datacollision gibt)

my $gamekey = "cc3tibwars";
my $challenge_server = "djhQLYRayo;lZ>Y|"; # kann natürlich auch hex sein?
my $challenge_client = "zNwEhedF{qGI^lhs";
# 1 zum decoden, 1 zum entcoden, weiss aber noch nciht welcher was ist, muss also evtl einfach vertauscht werden

my $datenpaket_test1 = "5...-..";#decode
my $datenpaket_test2 = "...V..^.....*.H5!;..P....";#encode
# muss bestimmt alles irgendwie in ein anderes format, pack/unpack hex zeugs 

void init(ctx *ctx, unsigned char *chall, unsigned char *key) {

void chat(ctx *ctx, unsigned char *data, int size) {