+
−/*
+
− * Hedgewars, a free turn based strategy game
+
− * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
+
− *
+
− * This program is free software; you can redistribute it and/or
+
− * modify it under the terms of the GNU General Public License
+
− * as published by the Free Software Foundation; either version 2
+
− * of the License, or (at your option) any later version.
+
− *
+
− * This program is distributed in the hope that it will be useful,
+
− * but WITHOUT ANY WARRANTY; without even the implied warranty of
+
− * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+
− * GNU General Public License for more details.
+
− *
+
− * You should have received a copy of the GNU General Public License
+
− * along with this program; if not, write to the Free Software
+
− * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
− */
+
−
+
−#include "netprotocol.h"
+
−
+
−#include "../util/util.h"
+
−#include "../util/logging.h"
+
−
+
−#include "../base64/base64.h"
+
−
+
−#include <zlib.h>
+
−
+
−#include <string.h>
+
−#include <stdio.h>
+
−#include <errno.h>
+
−#include <stdlib.h>
+
−
+
−static int fillTeamFromMsg(flib_team *team, char **parts) {
+
−    team->name = flib_strdupnull(parts[0]);
+
−    team->grave = flib_strdupnull(parts[1]);
+
−    team->fort = flib_strdupnull(parts[2]);
+
−    team->voicepack = flib_strdupnull(parts[3]);
+
−    team->flag = flib_strdupnull(parts[4]);
+
−    team->ownerName = flib_strdupnull(parts[5]);
+
−    if(!team->name || !team->grave || !team->fort || !team->voicepack || !team->flag || !team->ownerName) {
+
−        return -1;
+
−    }
+
−
+
−    errno = 0;
+
−    long difficulty = strtol(parts[6], NULL, 10);
+
−    if(errno) {
+
−        return -1;
+
−    }
+
−
+
−    for(int i=0; i<HEDGEHOGS_PER_TEAM; i++) {
+
−        flib_hog *hog = &team->hogs[i];
+
−        hog->difficulty = difficulty;
+
−        hog->name = flib_strdupnull(parts[7+2*i]);
+
−        hog->hat = flib_strdupnull(parts[8+2*i]);
+
−        if(!hog->name || !hog->hat) {
+
−            return -1;
+
−        }
+
−    }
+
−
+
−    // Set some default assumptions as well
+
−    team->colorIndex = DEFAULT_COLOR_INDEX;
+
−    team->hogsInGame = DEFAULT_HEDGEHOG_COUNT;
+
−    team->remoteDriven = true;
+
−    return 0;
+
−}
+
−
+
−flib_team *flib_team_from_netmsg(char **parts) {
+
−    flib_team *result = NULL;
+
−    flib_team *tmpTeam = flib_calloc(1, sizeof(flib_team));
+
−    if(tmpTeam) {
+
−        if(!fillTeamFromMsg(tmpTeam, parts)) {
+
−            result = tmpTeam;
+
−            tmpTeam = NULL;
+
−        } else {
+
−            flib_log_e("Error parsing team from net.");
+
−        }
+
−    }
+
−    flib_team_destroy(tmpTeam);
+
−    return result;
+
−}
+
−
+
−flib_scheme *flib_scheme_from_netmsg(char **parts) {
+
−    flib_scheme *result = flib_scheme_create(parts[0]);
+
−    if(result) {
+
−        for(int i=0; i<flib_meta.modCount; i++) {
+
−            result->mods[i] = !strcmp(parts[i+1], "true");
+
−        }
+
−        for(int i=0; i<flib_meta.settingCount; i++) {
+
−            result->settings[i] = atoi(parts[i+flib_meta.modCount+1]);
+
−        }
+
−    }
+
−    return result;
+
−}
+
−
+
−flib_map *flib_map_from_netmsg(char **parts) {
+
−    flib_map *result = flib_map_create_named(parts[3], parts[0]);
+
−    if(result) {
+
−        result->mapgen = atoi(parts[1]);
+
−        result->mazeSize = atoi(parts[2]);
+
−        result->templateFilter = atoi(parts[4]);
+
−    }
+
−    return result;
+
−}
+
−
+
−int flib_drawnmapdata_from_netmsg(char *netmsg, uint8_t** outbuf, size_t *outlen) {
+
−    int result = -1;
+
−
+
−    // First step: base64 decoding
+
−    char *base64decout = NULL;
+
−    size_t base64declen;
+
−    bool ok = base64_decode_alloc(netmsg, strlen(netmsg), &base64decout, &base64declen);
+
−    if(ok && base64declen>3) {
+
−        // Second step: unzip with the QCompress header. That header is just a big-endian
+
−        // uint32 indicating the length of the uncompressed data.
+
−        uint8_t *ubyteBuf = (uint8_t*)base64decout;
+
−        uint32_t unzipLen =
+
−                (((uint32_t)ubyteBuf[0])<<24)
+
−                + (((uint32_t)ubyteBuf[1])<<16)
+
−                + (((uint32_t)ubyteBuf[2])<<8)
+
−                + ubyteBuf[3];
+
−        if(unzipLen==0) {
+
−            *outbuf = NULL;
+
−            *outlen = 0;
+
−            result = 0;
+
−        } else {
+
−            uint8_t *out = flib_malloc(unzipLen);
+
−            if(out) {
+
−                uLongf actualUnzipLen = unzipLen;
+
−                int resultcode = uncompress(out, &actualUnzipLen, (Bytef*)(base64decout+4), base64declen-4);
+
−                if(resultcode == Z_OK) {
+
−                    *outbuf = out;
+
−                    *outlen = actualUnzipLen;
+
−                    out = NULL;
+
−                    result = 0;
+
−                } else {
+
−                    flib_log_e("Uncompressing drawn map failed. Code: %i", resultcode);
+
−                }
+
−            }
+
−            free(out);
+
−        }
+
−    } else {
+
−        flib_log_e("base64 decoding of drawn map failed.");
+
−    }
+
−    free(base64decout);
+
−    return result;
+
−}
+
−
+
−flib_room *flib_room_from_netmsg(char **params) {
+
−    flib_room *result = NULL;
+
−    flib_room *tmpRoom = flib_calloc(1, sizeof(flib_room));
+
−    if(tmpRoom) {
+
−        tmpRoom->inProgress = !strcmp(params[0], "True");
+
−        tmpRoom->name = flib_strdupnull(params[1]);
+
−        tmpRoom->playerCount = atoi(params[2]);
+
−        tmpRoom->teamCount = atoi(params[3]);
+
−        tmpRoom->owner = flib_strdupnull(params[4]);
+
−        tmpRoom->map = flib_strdupnull(params[5]);
+
−        tmpRoom->scheme = flib_strdupnull(params[6]);
+
−        tmpRoom->weapons = flib_strdupnull(params[7]);
+
−        if(tmpRoom->name && tmpRoom->owner && tmpRoom->map && tmpRoom->scheme && tmpRoom->weapons) {
+
−            result = tmpRoom;
+
−            tmpRoom = NULL;
+
−        }
+
−    }
+
−    flib_room_destroy(tmpRoom);
+
−    return result;
+
−}
+
−
+
−int fillRoomArray(flib_room **array, char **params, int count) {
+
−    for(int i=0; i<count; i++) {
+
−        array[i] = flib_room_from_netmsg(params + 8*i);
+
−        if(!array[i]) {
+
−            return -1;
+
−        }
+
−    }
+
−    return 0;
+
−}
+
−
+
−flib_room **flib_room_array_from_netmsg(char **params, int count) {
+
−    flib_room **result = flib_calloc(count, sizeof(flib_room*));
+
−    if(result) {
+
−        if(fillRoomArray(result, params, count)) {
+
−            for(int i=0; i<count; i++) {
+
−                flib_room_destroy(result[i]);
+
−            }
+
−            free(result);
+
−            result = NULL;
+
−        }
+
−    }
+
−    return result;
+
−}