/**************************************
Return RET_NOK on error
**************************************/
ret_code_t parse_incoming_data(context_t * context, Uint32 command, Uint32 command_size, char * data)
{
char * value = NULL;
char * fullname;
char * elements[512];
char * cksum;
int i;
char * user_name;
char * password;
if( !context_get_connected(context) && ( command != CMD_REQ_LOGIN && command != CMD_REQ_FILE) ) {
werr(LOGUSER,"Request from not authenticated client, close connection");
return RET_NOK;
}
switch(command) {
case CMD_REQ_LOGIN:
wlog(LOGDEBUG,"Received CMD_REQ_LOGIN");
user_name = _strsep(&data,NETWORK_DELIMITER);
password = _strsep(&data,NETWORK_DELIMITER);
if(entry_read_string(PASSWD_TABLE, user_name, &value, PASSWD_KEY_PASSWORD,NULL) == RET_NOK) {
return RET_NOK;
}
if( strcmp(value, password) != 0) {
free(value);
werr(LOGUSER,"Wrong login for %s",user_name);
// send answer
network_send_command(context, CMD_SEND_LOGIN_NOK, 0, NULL, false);
// force client disconnection
return RET_NOK;
} else {
free(value);
if( context_set_username(context, user_name) == RET_NOK ) {
return RET_NOK;
}
context_set_connected(context, true);
// send answer
network_send_command(context, CMD_SEND_LOGIN_OK, 0, NULL, false);
wlog(LOGUSER,"Login successful for user %s",context->user_name);
}
break;
case CMD_REQ_CHARACTER_LIST :
wlog(LOGDEBUG,"Received CMD_REQ_CHARACTER_LIST");
character_send_list(context);
wlog(LOGDEBUG,"character list sent");
break;
case CMD_REQ_FILE :
i = 0;
elements[i] = _strsep(&data,NETWORK_DELIMITER);
while(elements[i]) {
i++;
elements[i] = _strsep(&data,NETWORK_DELIMITER);
}
if(elements[0]==NULL || elements[1]==NULL) {
werr(LOGDEV,"Received erroneous CMD_REQ_FILE");
break;
}
wlog(LOGDEBUG,"Received CMD_REQ_FILE for %s",elements[0]);
/* compare checksum */
fullname = strconcat(base_directory,"/",elements[0],NULL);
cksum = checksum_file(fullname);
free(fullname);
if( cksum == NULL) {
werr(LOGUSER,"Required file %s doesn't exists",elements[0]);
break;
}
if( strcmp(elements[1],cksum) == 0 ) {
wlog(LOGDEBUG,"Client has already newest %s file",elements[0]);
free(cksum);
break;
}
free(cksum);
network_send_file(context,elements[0]);
wlog(LOGDEBUG,"File %s sent",elements[0]);
break;
case CMD_REQ_USER_CHARACTER_LIST :
wlog(LOGDEBUG,"Received CMD_REQ_USER_CHARACTER_LIST");
character_user_send_list(context);
wlog(LOGDEBUG,"user %s's character list sent",context->user_name);
break;
case CMD_REQ_START :
if( context->in_game == false ) {
context->id = strdup(data);
context->in_game = true;
context_update_from_file(context);
context_spread(context);
context_request_other_context(context);
}
wlog(LOGDEBUG,"Received CMD_REQ_START for %s /%s",context->user_name,context->id);
break;
case CMD_REQ_STOP :
wlog(LOGDEBUG,"Received CMD_REQ_STOP for %s /%s",context->user_name,context->id);
if( context->in_game == true ) {
context->in_game = false;
if( context->map ) {
free(context->map);
}
context->map = NULL;
if( context->prev_map ) {
free(context->prev_map);
}
context->prev_map = NULL;
if( context->id ) {
free(context->id);
}
context->id = NULL;
context_spread(context);
}
break;
case CMD_REQ_ACTION :
i = 0;
elements[i] = NULL;
elements[i] = _strsep(&data,NETWORK_DELIMITER);
while(elements[i]) {
i++;
elements[i] = _strsep(&data,NETWORK_DELIMITER);
}
elements[i+1] = NULL;
wlog(LOGDEBUG,"Received CMD_REQ_ACTION %s from %s /%s",elements[0],context->user_name,context->character_name);
action_execute(context,elements[0],&elements[1]);
break;
default:
werr(LOGDEV,"Unknown request %d from client",command);
return RET_NOK;
}
return RET_OK;
}
/**********************************
Compose the character select screen
**********************************/
item_t * scr_play_compose(context_t * ctx)
{
int bg_red = 0;
int bg_blue = 0;
int bg_green = 0;
char * map_filename;
int layer_index = 0;
char * old_sfx = NULL;
option = option_get();
if(item_list) {
item_list_free(item_list);
item_list = NULL;
}
if(ctx->map == NULL ) {
if(context_update_from_file(ctx) == RET_NOK) {
return NULL;
}
}
if(init) {
/* Register this character to receive server notifications */
network_request_start(ctx,ctx->id);
ui_play_init();
init = false;
}
sdl_free_keycb();
sdl_free_mousecb();
sdl_add_mousecb(MOUSE_WHEEL_UP,cb_zoom);
sdl_add_mousecb(MOUSE_WHEEL_DOWN,cb_unzoom);
change_map = ctx->change_map;
if( change_map == true ) {
map_filename = strconcat( MAP_TABLE,"/",ctx->map,NULL);
network_send_req_file(ctx,map_filename);
free(map_filename);
if(default_layer) {
map_layer_delete(default_layer);
}
default_layer = map_layer_new(ctx->map,DEFAULT_LAYER,NULL);
}
if( default_layer && default_layer->active ) { // Make sure map data are available
for(layer_index = 0; layer_index < MAX_LAYER; layer_index++) {
compose_map_set(ctx,layer_index);
compose_map_scenery(ctx,layer_index);
compose_item(ctx,layer_index);
compose_sprite(ctx,layer_index);
compose_type(ctx,layer_index);
}
compose_map_button(ctx);
compose_select(ctx);
ui_play_compose(ctx,item_list);
// force virtual coordinate on map change
if( change_map == true ) {
sdl_force_virtual_x(map_t2p_x(ctx->pos_tx,ctx->pos_ty,default_layer) + default_layer->col_width[ctx->pos_tx%default_layer->col_num]/2 + default_layer->row_width[ctx->pos_ty%default_layer->row_num]/2 );
sdl_force_virtual_y(map_t2p_y(ctx->pos_tx,ctx->pos_ty,default_layer) + default_layer->col_height[ctx->pos_tx%default_layer->col_num]/2 + default_layer->row_height[ctx->pos_ty%default_layer->row_num]/2 );
}
// set virtual coordinate on the same map
else {
sdl_set_virtual_x(map_t2p_x(ctx->pos_tx,ctx->pos_ty,default_layer) + default_layer->col_width[ctx->pos_tx%default_layer->col_num]/2 + default_layer->row_width[ctx->pos_ty%default_layer->row_num]/2 );
sdl_set_virtual_y(map_t2p_y(ctx->pos_tx,ctx->pos_ty,default_layer) + default_layer->col_height[ctx->pos_tx%default_layer->col_num]/2 + default_layer->row_height[ctx->pos_ty%default_layer->row_num]/2 );
}
}
entry_read_int(MAP_TABLE,ctx->map,&bg_red,MAP_KEY_BG_RED,NULL);
entry_read_int(MAP_TABLE,ctx->map,&bg_blue,MAP_KEY_BG_BLUE,NULL);
entry_read_int(MAP_TABLE,ctx->map,&bg_green,MAP_KEY_BG_GREEN,NULL);
SDL_SetRenderDrawColor(ctx->render, bg_red, bg_blue, bg_green, 255);
old_sfx = sfx;
sfx = NULL;
entry_read_string(MAP_TABLE,ctx->map,&sfx,MAP_SFX,NULL);
if(old_sfx) {
if( sfx ) {
if( strcmp(old_sfx,sfx) ) {
sfx_stop(ctx,old_sfx);
}
} else { // sfx == NULL
sfx_stop(ctx,old_sfx);
}
free(old_sfx);
}
if( sfx && sfx[0]!=0 ) {
sfx_play(ctx,sfx,NO_RESTART);
}
return item_list;
}
