path: root/src/game.cpp

/*
 *  The Mana World
 *  Copyright 2004 The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  The Mana World 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
 *  any later version.
 *
 *  The Mana World 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 The Mana World; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  $Id$
 */

#include "main.h"
#include "map.h"
#include "being.h"
#include "log.h"
#include "./gui/chat.h"
#include "./gui/gui.h"
#include "./gui/inventory.h"
#include "./gui/shop.h"
#include "./gui/npc.h"
#include "./gui/setup.h"
#include "./gui/stats.h"
#include "./gui/ok_dialog.h"
#include "./graphic/graphic.h"
#include "./sound/sound.h"

char map_path[480];

#ifndef WIN32
extern Sound sound;
#endif /* not WIN32 */

unsigned short dest_x, dest_y, src_x, src_y;
unsigned int player_x, player_y;
bool refresh_beings = false;
unsigned char keyb_state;
volatile int tick_time;
volatile bool action_time = false;
int current_npc, server_tick;
extern unsigned char screen_mode;
int fps = 0, frame = 0;

Setup *setup = NULL;
StatsWindow *stats = NULL;

#define MAX_TIME 10000

/**
 * Finite states machine to keep track of player walking status (2 steps
 * linear prediction)
 *
 *  0 = Standing
 *  1 = Walking without confirm packet
 *  2 = Walking with confirm
 */
char walk_status = 0;


// SDL callbacks
/*
Uint32 refresh_time(Uint32 interval, void *param)
{
    tick_time++;
    if (tick_time == MAX_TIME) tick_time = 0;
}

Uint32 second(Uint32 interval, void *param)
{
    action_time = true;
    fps = frame;
    frame = 0;
}
*/

void refresh_time(void) {
    tick_time++;
    if (tick_time == MAX_TIME) tick_time = 0;
}
END_OF_FUNCTION(refresh_frame);

/**
 * Lets u only trigger an action every other second
 * tmp. counts fps
 */
void second(void) {
    action_time = true;
    fps = frame;
    frame = 0;
}
END_OF_FUNCTION(second);

short get_elapsed_time(short start_time) {
    if (start_time <= tick_time) {
        return tick_time - start_time;
    }
    else {
        return tick_time + (MAX_TIME - start_time);
    }
}

void game() {
    do_init();
    GraphicEngine *graphicEngine = new GraphicEngine();

    //SDL_Event event;
    //SDL_EnableUNICODE(1);

    while (state != EXIT) {

        // Handle SDL events
        //while (SDL_PollEvent(&event)) {
        //    switch (event.type) {
        //        case SDL_QUIT:
        //            state = EXIT;
        //            break;
        //    }
        //}

        do_input();
        graphicEngine->refresh();
        do_parse();
        flush();
    }


    delete graphicEngine;
    close_session();
}

void do_init() {
    if (!load_map(map_path)) {
        error("Could not find map file");
    }

#ifndef WIN32
    sound.startBgm("./data/sound/Mods/somemp.xm", -1);
#endif /* not WIN32 */

    // Initialize timers
    tick_time = 0;

    // The SDL way
    //SDL_AddTimer(10, refresh_time, NULL);
    //SDL_AddTimer(1000, second, NULL);

    // The Allegro way
    LOCK_VARIABLE(tick_time);
    install_int_ex(refresh_time, MSEC_TO_TIMER(1));
    install_int_ex(second, BPS_TO_TIMER(1));

    // Initialize beings
    empty();
    player_node = new NODE();
    player_node->id = account_ID;
    player_node->type = ACTION_NODE;
    set_coordinates(player_node->coordinates, x, y, 0);
    player_node->speed = 150;
    player_node->hair_color = char_info->hair_color;
    player_node->hair_style = char_info->hair_style;
    if (char_info->weapon == 11) {
        char_info->weapon = 1;
    }
    player_node->weapon = char_info->weapon;
    add_node(player_node);

    remove("./docs/packet.list");
}

void do_exit() {
}

void do_input() {
    if (walk_status == 0) {
        int x = get_x(player_node->coordinates);
        int y = get_y(player_node->coordinates);

        if (key[KEY_8_PAD] || key[KEY_UP]) {
            if (get_walk(x, y - 1) != 0) {
                walk(x, y-1, NORTH);
                walk_status = 1;
                src_x = x;
                src_y = y;
                player_node->action = WALK;
                player_node->tick_time = tick_time;
                set_coordinates(player_node->coordinates, x, y - 1, NORTH);
            } else set_coordinates(player_node->coordinates, x, y, NORTH);
        } else if (key[KEY_2_PAD] || key[KEY_DOWN]) {
            if(get_walk(x, y + 1) != 0) {
                walk(x, y + 1, SOUTH);
                walk_status = 1;
                src_x = x;
                src_y = y;
                player_node->action = WALK;
                player_node->tick_time = tick_time;
                set_coordinates(player_node->coordinates, x, y + 1, SOUTH);
            } else set_coordinates(player_node->coordinates, x, y, SOUTH);
        } else if (key[KEY_4_PAD] || key[KEY_LEFT]) {
            if (get_walk(x - 1, y) != 0) {
                walk(x - 1, y, WEST);
                walk_status = 1;
                src_x = x;
                src_y = y;
                player_node->action = WALK;
                player_node->tick_time = tick_time;
                set_coordinates(player_node->coordinates, x - 1, y, WEST);
            } else set_coordinates(player_node->coordinates, x, y, WEST);
        } else if (key[KEY_6_PAD] || key[KEY_RIGHT]) {
            if (get_walk(x + 1, y) != 0) {
                walk(x + 1, y, EAST);
                walk_status = 1;
                src_x = x;
                src_y = y;
                player_node->action = WALK;
                player_node->tick_time = tick_time;
                set_coordinates(player_node->coordinates, x + 1, y, EAST);
            } else set_coordinates(player_node->coordinates, x, y, EAST);
        }
    }

    if (player_node->action == STAND) {
        if (key[KEY_LCONTROL]) {
            player_node->action = ATTACK;
            attack(get_x(player_node->coordinates),
                    get_y(player_node->coordinates),
                    get_direction(player_node->coordinates));
            player_node->tick_time = tick_time;
        }
    }

    if (key[KEY_F5] && action_time) {
        if (player_node->action == STAND)
            action(2, 0);
        else if (player_node->action == SIT)
            action(3, 0);
        action_time = false;
        //alert("","","","","",0,0);
    }

    // Emotions, Skill dialog
    if (key_shifts & KB_ALT_FLAG && action_time == true) {
        if (player_node->emotion == 0) {
            unsigned char emotion = 0;
            if (key[KEY_1]) emotion = 1;
            else if (key[KEY_2]) emotion = 2;
            else if (key[KEY_3]) emotion = 3;
            else if (key[KEY_4]) emotion = 4;
            else if (key[KEY_5]) emotion = 5;
            else if (key[KEY_6]) emotion = 6;
            else if (key[KEY_7]) emotion = 7;
            else if (key[KEY_8]) emotion = 8;
            else if (key[KEY_9]) emotion = 9;
            else if (key[KEY_0]) emotion = 10;
            if (emotion != 0) {
                WFIFOW(0) = net_w_value(0x00bf);
                WFIFOB(2) = emotion;
                WFIFOSET(3);
                action_time = false;
            }
        }
    }

    if (mouse_b & 2) {
        // Make contact with NPC
        int npc_x = mouse_x / 32 + camera_x;
        int npc_y = mouse_y / 32 + camera_y;
        int id = find_npc(npc_x, npc_y);
        if (id != 0) {
            WFIFOW(0) = net_w_value(0x0090);
            WFIFOL(2) = net_l_value(id);
            WFIFOB(6) = 0;
            WFIFOSET(7);
        }
    }
}

bool handle_key(int unicode, int scancode)
{
    switch (scancode) {
        case KEY_ESC:
            state = EXIT;
            return true;
        case KEY_F1:
            save_bitmap("./data/graphic/screenshot.bmp", buffer, NULL);
            return true;
#ifndef WIN32
        case KEY_F12:
            sound.adjustVolume(1);
            return true;
        case KEY_F11:
            sound.adjustVolume(-1);
            return true;
#endif /* not WIN32 */
        case KEY_F9:
            setup = Setup::create_setup();
            return true;
        case KEY_F10:
            // was 3 goes to 0
            // was 0 goes to 3
            screen_mode = 3 - screen_mode;
            if (set_gfx_mode(screen_mode, 800, 600, 0, 0) != 0) {
                // less than: to add support for other hardware platforms
                error(allegro_error);
            }
            return true;
    }

    if (key_shifts & KB_ALT_FLAG) {
        switch (scancode) {
            case KEY_I:
                inventoryWindow->setVisible(!inventoryWindow->isVisible());
                return true;
            case KEY_S:
                if (stats == NULL)
                    stats = StatsWindow::create_statswindow();
                else {
                    stats->setVisible(!stats->isVisible());
                }
                return true;
            case KEY_K:
                //show_skill_list_dialog = !show_skill_dialog;
                skillDialog->setVisible(!skillDialog->isVisible());
                return true;
        }
    }

    return false;
}

int get_packet_length(short id) {
    int len = get_length(id);
    if (len == -1)len = RFIFOW(2);
    return len;
}

void do_parse() {
    unsigned short id;
    char *temp;
    char direction;
    NODE *node = NULL;
    PATH_NODE *pn;
    int len;

    // We need at least 2 bytes to identify a packet
    if (in_size >= 2) {
        // Check if the received packet is complete
        while (in_size >= (len = get_packet_length(id = RFIFOW(0)))) {
            // Add infos to log file and dump the latest received packet
            char pkt_nfo[60];
            sprintf(pkt_nfo,"In-buffer size: %i Packet id: %x Packet length: %i",in_size,RFIFOW(0),len);
            /*
            log_hex("Packet", "Packet_ID", RFIFOW(0));
            log_int("Packet", "Packet_length", get_length(RFIFOW(0)));
            log_int("Packet", "Packet_in_size", RFIFOW(2));
            log_int("Packet", "In_size", in_size);
            FILE *file = fopen("packet.dump", "wb");
            for(int i=0;i<len;i++) {
                fprintf(file, "%x|%i|%c ", RFIFOB(i), RFIFOB(i), RFIFOB(i));
                if((i+1)%10==0)fprintf(file, "\n");
            }
            fclose(file);
            */
#ifdef DEBUG
            FILE *file = fopen("./docs/packet.list", "ab");
            fprintf(file, "%x\n", RFIFOW(0));
            fclose(file);
#endif
            // Parse packet based on their id
            switch(id) {
                // Received speech
                case 0x008d:
                    temp = (char *)malloc(RFIFOW(2)-7);
                    memset(temp, '\0', RFIFOW(2)-7);
                    memcpy(temp, RFIFOP(8), RFIFOW(2)-8);
                    node = find_node(RFIFOL(4));
                    if(node!=NULL) {
                        if(node->speech!=NULL) {
                            free(node->speech);
                            node->speech = NULL;
                            node->speech_time = 0;
                        }
                        node->speech = temp;
                        node->speech_time = SPEECH_TIME;
                        node->speech_color = makecol(255, 255, 255);
                        chatlog.chat_log(node->speech, BY_OTHER, font);
                    }
                    break;
                case 0x008e:
                case 0x009a:
                    if (RFIFOW(2)>4) {
                        if(player_node->speech!=NULL) {
                            free(player_node->speech);
                            player_node->speech = NULL;
                        }

                        player_node->speech = (char *)malloc(RFIFOW(2)-3);
                        memset(player_node->speech, '\0', RFIFOW(2)-3);
                        memcpy(player_node->speech, RFIFOP(4), RFIFOW(2)-4);  // receive 1 byte less than expected, server might be sending garbage instead of '\0' /-kth5

                        player_node->speech_time = SPEECH_TIME;
                        player_node->speech_color = makecol(255, 255, 255);

                        if(id==0x008e) {
                            chatlog.chat_log(player_node->speech, BY_PLAYER, font);
                        }
                        else {
                            chatlog.chat_log(player_node->speech, BY_GM, font);
                        }
                    }
                    break;
                    // Success to walk request
                case 0x0087:
                    if(walk_status==1) {
                        if(RFIFOL(2)>server_tick) {
                            walk_status = 2;
                            server_tick = RFIFOL(2);
                        }
                    }
                    break;
                    // Add new being / stop monster
                case 0x0078:
                    if(find_node(RFIFOL(2))==NULL) {
                        node = new NODE();
                        node->id = RFIFOL(2);
                        node->speed = RFIFOW(6);
                        if(node->speed==0) {
                            node->speed = 150; // Else division by 0 when calculating frame
                        }
                        node->job = RFIFOW(14);
                        empty_path(node);
                        memcpy(node->coordinates, RFIFOP(46), 3);
                        node->hair_color = RFIFOW(28);
                        node->hair_style = RFIFOW(16);
                        add_node(node);
                    }
                    else {
                        if(node) {
                            empty_path(node);
                            memcpy(node->coordinates, RFIFOP(46), 3);
                            node->frame = 0;
                            node->tick_time = tick_time;
                            node->action = STAND;
                        }
                    }
                    break;
                    // Remove a being
                case 0x0080:
                    node = find_node(RFIFOL(2));
                    if(node!=NULL) {
                        if(RFIFOB(6)==1) { // Death
                            if(node->job>110) {
                                node->action = MONSTER_DEAD;
                                node->frame = 0;
                                node->tick_time = tick_time;
                            }
                            else remove_node(RFIFOL(2));
                        }
                        else remove_node(RFIFOL(2));
                    }
                    break;
                    // Player moving
                case 0x01d8:
                case 0x01d9:
                    node = find_node(RFIFOL(2));
                    if(node==NULL) {
                        node = new NODE();
                        node->id = RFIFOL(2);
                        node->job = RFIFOW(14);
                        memcpy(node->coordinates, RFIFOP(46), 3);
                        add_node(node);
                        node->tick_time = tick_time;
                        node->frame = 0;
                        node->speed = RFIFOW(6);
                        node->hair_color = RFIFOW(28);
                        node->hair_style = RFIFOW(16);
                    }
                    break;
                    // Monster moving
                case 0x007b:
                    //case 0x01da:
                    node = find_node(RFIFOL(2));
                    if(node==NULL) {
                        node = new NODE();
                        node->action = STAND;
                        set_coordinates(node->coordinates,
                                get_src_x(RFIFOP(50)),
                                get_src_y(RFIFOP(50)), 0);
                        node->id = RFIFOL(2);
                        node->speed = RFIFOW(6);
                        node->job = RFIFOW(14);
                        add_node(node);
                    }
                    empty_path(node);
                    node->path = calculate_path(get_src_x(RFIFOP(50)),
                            get_src_y(RFIFOP(50)),get_dest_x(RFIFOP(50)),
                            get_dest_y(RFIFOP(50)));
                    if(node->path!=NULL) {
                        direction = 0;
                        if(node->path->next) {
                            if(node->path->next->x>node->path->x && node->path->next->y>node->path->y)direction = SE;
                            else if(node->path->next->x<node->path->x && node->path->next->y>node->path->y)direction = SW;
                            else if(node->path->next->x>node->path->x && node->path->next->y<node->path->y)direction = NE;
                            else if(node->path->next->x<node->path->x && node->path->next->y<node->path->y)direction = NW;
                            else if(node->path->next->x>node->path->x)direction = EAST;
                            else if(node->path->next->x<node->path->x)direction = WEST;
                            else if(node->path->next->y>node->path->y)direction = SOUTH;
                            else if(node->path->next->y<node->path->y)direction = NORTH;
                        }
                        pn = node->path;
                        node->path = node->path->next;
                        free(pn);
                        set_coordinates(node->coordinates, node->path->x, node->path->y, direction);
                        node->action = WALK;
                        node->tick_time = tick_time;
                        node->frame = 0;
                    }
                    break;
                    // Being moving
                case 0x01da:
                    node = find_node(RFIFOL(2));
                    if(node==NULL) {
                        node = new NODE();
                        node->id = RFIFOL(2);
                        node->job = RFIFOW(14);
                        set_coordinates(node->coordinates, get_src_x(RFIFOP(50)), get_src_y(RFIFOP(50)), 0);
                        add_node(node);
                    }
                    if(node->action!=WALK) {
                        direction = get_direction(node->coordinates);
                        node->action = WALK;
                        if(get_dest_x(RFIFOP(50))>get_x(node->coordinates))direction = EAST;
                        else if(get_dest_x(RFIFOP(50))<get_x(node->coordinates))direction = WEST;
                        else if(get_dest_y(RFIFOP(50))>get_y(node->coordinates))direction = SOUTH;
                        else if(get_dest_y(RFIFOP(50))<get_y(node->coordinates))direction = NORTH;
                        else node->action = STAND;
                        if(node->action==WALK)node->tick_time = tick_time;
                        set_coordinates(node->coordinates, get_dest_x(RFIFOP(50)), get_dest_y(RFIFOP(50)), direction);
                    }
                    break;
                    // NPC dialog
                case 0x00b4:
                    npcTextDialog->addText(RFIFOP(8));
                    npcListDialog->setVisible(false);
                    npcTextDialog->setVisible(true);
                    break;
                    // Get the items
                case 0x01ee:
                    for (int loop = 0; loop < (RFIFOW(2) - 4) / 18; loop++) {
                        inventoryWindow->addItem(RFIFOW(4 + loop * 18),
                                RFIFOW(4 + loop * 18 + 2), RFIFOW(4 + loop * 18 + 6));
                    }
                    break;
                    // Can I use the item?
                case 0x00a8:
                    // index RFIFOW(2)
                    // succes or not RFIFOB(6);
                    //if (RFIFOB(6))
                    //  inventoryWindow->addItem(RFIFOW(2), RFIFOW(4));
                    break;
                    // Warp
                case 0x0091:
                    memset(map_path, '\0', 480);
                    append_filename(map_path, "./data/map/", RFIFOP(2), 480);
                    if (load_map(map_path)) {
                        empty();
                        player_node = new NODE();
                        player_node->job = 0;
                        player_node->action = STAND;
                        player_node->frame = 0;
                        player_node->type = ACTION_NODE;
                        player_node->speed = 150;
                        player_node->id = account_ID;
                        set_coordinates(player_node->coordinates, RFIFOW(18), RFIFOW(20), 0);
                        add_node(player_node);
                        walk_status = 0;
                        // Send "map loaded"
                        WFIFOW(0) = net_w_value(0x007d);
                        WFIFOSET(2);
                        while(out_size>0)flush();
                    }
                    else {
                        error("Could not find map file");
                    }
                    break;
                    // Skill ...
                case 0x011a:
                    break;
                case 0x01a4:
                    break;
                    // Action failed (ex. sit because you have not reached the right level)
                case 0x0110:
                    CHATSKILL action;
                    action.skill   = RFIFOW(2);
                    action.bskill  = RFIFOW(4);
                    action.unused  = RFIFOW(6);
                    action.success = RFIFOB(8);
                    action.reason  = RFIFOB(9);
                    if(action.success != SKILL_FAILED &&
                            action.bskill == BSKILL_EMOTE ) {
                        printf("Action: %d/%d", action.bskill, action.success);
                    }
                    chatlog.chat_log(action, font);
                    break;
                    // Update stat values
                case 0x00b0:
                    switch(RFIFOW(2)) {
                        //case 0x0000:
                        //    player_node->speed;
                        //    break;
                        case 0x0005:
                            char_info->hp = RFIFOW(4);
                            break;
                        case 0x0006:
                            char_info->max_hp = RFIFOW(4);
                            break;
                        case 0x0007:
                            char_info->sp = RFIFOW(4);
                            break;
                        case 0x0008:
                            char_info->max_sp = RFIFOW(4);
                            break;
                        case 0x000b:
                            char_info->lv = RFIFOW(4);
                            break;
                        case 0x000c:
                            char_info->skill_point = RFIFOW(4);
                            skillDialog->setPoints(char_info->skill_point);
                            break;
                        case 0x0037:
                            char_info->job_lv = RFIFOW(4);
                            break;
                    }
                    statusWindow->update();
                    if(char_info->hp==0) {
                        OkDialog *death = new OkDialog("Message",
                                "You're now dead, press ok to restart");
                        alert("","","","","",0,0);
                        WFIFOW(0) = net_w_value(0x00b2);
                        WFIFOB(2) = 0;
                        WFIFOSET(3);
                    }
                    break;
                    // Stop walking
                case 0x0088:  // Disabled because giving some problems
                    //if (node = find_node(RFIFOL(2))) {
                    //    if (node->id!=player_node->id) {
                    //        char ids[20];
                    //        sprintf(ids,"%i",RFIFOL(2));
                    //        alert(ids,"","","","",0,0);
                    //        node->action = STAND;
                    //        node->frame = 0;
                    //        set_coordinates(node->coordinates, RFIFOW(6), RFIFOW(8), get_direction(node->coordinates));
                    //    }
                    //}
                    //break;
                    // Damage, sit, stand up
                case 0x008a:
                    switch(RFIFOB(26)) {
                        case 0: // Damage
                            node = find_node(RFIFOL(6));
                            if(node!=NULL) {
                                if(node->speech!=NULL) {
                                    free(node->speech);
                                    node->speech = NULL;
                                    //node->speech_time = SPEECH_TIME;
                                }
                                node->speech = (char *)malloc(5);
                                memset(node->speech, '\0', 5);
                                if(RFIFOW(22)==0) {
                                    sprintf(node->speech, "miss");
                                    node->speech_color = makecol(255, 255, 0);
                                } else {
                                    sprintf(node->speech, "%i", RFIFOW(22));
                                    if(node->id!=player_node->id)node->speech_color = makecol(0, 0, 255);
                                    else node->speech_color = makecol(255, 0, 0);
                                }
                                node->speech_time = SPEECH_TIME;
                                if(RFIFOL(2)!=player_node->id) { // buggy
                                    node = find_node(RFIFOL(2));
                                    if(node!=NULL) {
                                        if(node->job<10)
                                            node->action = ATTACK;
                                        else node->action = MONSTER_ATTACK;
                                        node->frame = 0;
                                    }
                                }
                            }
                            break;
                        case 2: // Sit
                        case 3: // Stand up
                            node = find_node(RFIFOL(2));
                            if(node!=NULL) {
                                node->frame = 0;
                                if(RFIFOB(26)==2) {
                                    node->action = SIT;
                                    //alert("","","","","",0,0);
                                    walk_status = 0;
                                }
                                else if(RFIFOB(26)==3)
                                    node->action = STAND;
                            }
                            break;
                    }
                    break;
                    // Status change
                case 0x00b1:
                    switch(RFIFOW(2)) {
                        case 1:
                            char_info->xp = RFIFOL(4);
                            break;
                        case 2:
                            char_info->job_xp = RFIFOL(4);
                            break;
                        case 20:
                            char_info->gp = RFIFOL(4);
                            break;
                            // case 16 and 17 missing
                    }
                    break;
                    // Level up
                case 0x019b:
                    if (RFIFOL(2) == player_node->id) {
#ifndef WIN32
                        SOUND_SID sound_id = sound.loadItem("./data/sound/wavs/level.ogg");
                        sound.startItem(sound_id, 64);
                        sound.clearCache();
#endif /* not WIN32 */
                    }
                    break;
                    // Emotion
                case 0x00c0:
                    node = find_node(RFIFOL(2));
                    if(node) {
                        node->emotion = RFIFOB(6);
                        node->emotion_time = EMOTION_TIME;
                    }
                    break;
                    // Update skill values
                case 0x0141:
                    switch(RFIFOL(2)) {
                        case 0x000d:
                            char_info->STR = RFIFOL(6) + RFIFOL(10); // Base + Bonus
                            break;
                        case 0x000e:
                            char_info->AGI = RFIFOL(6) + RFIFOL(10);
                            break;
                        case 0x000f:
                            char_info->VIT = RFIFOL(6) + RFIFOL(10);
                            break;
                        case 0x0010:
                            char_info->INT = RFIFOL(6) + RFIFOL(10);
                            break;
                        case 0x0011:
                            char_info->DEX = RFIFOL(6) + RFIFOL(10);
                            break;
                        case 0x0012:
                            char_info->LUK = RFIFOL(6) + RFIFOL(10);
                            break;
                    }
                    break;
                    // Buy/Sell dialog
                case 0x00c4:
                    buyDialog->setVisible(false);
                    sellDialog->setVisible(false);
                    buySellDialog->setVisible(true);
                    current_npc = RFIFOL(2);
                    break;
                    // Buy dialog
                case 0x00c6:
                    n_items = (len - 4) / 11;
                    buyDialog->reset();
                    buyDialog->setMoney(char_info->gp);
                    buyDialog->setVisible(true);
                    for (int k = 0; k < n_items; k++) {
                        buyDialog->addItem(RFIFOW(4 + 11 * k + 9), RFIFOL(4 + 11 * k));
                    }
                    break;
                    // Sell dialog
                case 0x00c7:
                    n_items = (len - 4) / 10;
                    if (n_items > 0) {
                        sellDialog->reset();
                        sellDialog->setVisible(true);
                        for (int k = 0; k < n_items; k++) {
                            sellDialog->addItem(
                                    RFIFOW(4 + 10 * k), RFIFOL(4 + 10 * k + 2));
                        }
                    }
                    else {
                        chatlog.chat_log("Nothing to sell", BY_SERVER, font);
                    }
                    break;
                    // Answer to buy
                case 0x00ca:
                    if(RFIFOB(2)==0)
                        chatlog.chat_log("Thanks for buying", BY_SERVER, font);
                    else
                        chatlog.chat_log("Unable to buy", BY_SERVER, font);
                    break;
                    // Answer to sell
                case 0x00cb:
                    if(RFIFOB(2)==0)
                        chatlog.chat_log("Thanks for selling", BY_SERVER, font);
                    else
                        chatlog.chat_log("Unable to sell", BY_SERVER, font);
                    break;
                    // Add item to inventory after you bought it
                case 0x00a0:
                    if(RFIFOB(22)>0)
                        chatlog.chat_log("Unable to pick up item", BY_SERVER, font);
                    else
                        inventoryWindow->addItem(RFIFOW(2), RFIFOW(6), RFIFOW(4));
                    break;
                    // Remove item to inventory after you sold it
                case 0x00af:
                    printf("sell %i\n", -RFIFOW(4));
                    inventoryWindow->increaseQuantity(RFIFOW(2), -RFIFOW(4));
                    break;
                    // Use an item
                case 0x01c8:
                    inventoryWindow->changeQuantity(RFIFOW(2), RFIFOW(10));
                    break;
                    // ??
                case 0x0119:
                    sprintf(pkt_nfo, "%i %i %i %i", RFIFOL(2), RFIFOW(6), RFIFOW(8), RFIFOW(10));
                    //alert(pkt_nfo,"","","","",0,0);
                    break;
                    // Skill list TAG
                case 0x010f:
                {
                    int n_skills = (len - 4) / 37;
                    //SKILL *temp_skill = NULL;
                    for(int k=0;k<(len-4)/37;k++) {
                        if(RFIFOW(4+k*37+6)!=0 || RFIFOB(4+k*37+36)!=0) {
                            int skillId = RFIFOW(4+k*37);
                            if(skillDialog->getModel()->hasSkill(skillId)) {
                                skillDialog->getModel()->setSkill(skillId, RFIFOW(4+k*37+6), RFIFOW(4+k*37+36));
                            } else {
                                skillDialog->getModel()->addSkill(RFIFOW(4+k*37), RFIFOW(4+k*37+6), RFIFOW(4+k*37+8));
                            }
                        }
                    }
                } break;
                    // MVP experience
                case 0x010b:
                    break;
                    // Display MVP payer
                case 0x010c:
                    chatlog.chat_log("MVP player", BY_SERVER, font);
                    break;
                    // Item drop
                case 0x009e:
                    WFIFOW(0) = net_w_value(0x009f);
                    WFIFOL(2) = net_l_value(RFIFOL(2));
                    WFIFOSET(6);
                    break;
                    // Next button in NPC dialog
                case 0x00b5:
                    strcpy(npc_button, "Next");
                    current_npc = RFIFOL(2);
                    break;
                    // Close button in NPC dialog
                case 0x00b6:
                    strcpy(npc_button, "Close");
                    current_npc = RFIFOL(2);
                    break;
                    // List in NPC dialog
                case 0x00b7:
                    current_npc = RFIFOL(4);
                    // Hammerbear: Second argument here shouldn't be neccesary,
                    //  instead make sure the string is \0 terminated.
                    //parse_items(RFIFOP(8), RFIFOW(2));
                    npcListDialog->parseItems(RFIFOP(8));
                    RFIFOW(2);
                    npcListDialog->setVisible(true);
                    break;
                    // Look change
                case 0x00c3:
                    // Change hair color
                    if (RFIFOB(6) == 6) {
                        node = find_node(RFIFOL(2));
                        node->hair_color = RFIFOB(7);
                        //char prova[100];
                        //sprintf(prova, "%i %i %i", RFIFOL(2), RFIFOB(6), RFIFOB(7));
                        //alert(prova,"","","","",0,0);
                    } else if (RFIFOB(6) == 1) {
                        node = find_node(RFIFOL(2));
                        node->hair_style = RFIFOB(7);
                    }
                    break;
                case 0x00a4:
                    for (int i = 0; i < (RFIFOW(2) - 4) / 20; i++)
                        inventoryWindow->addItem(RFIFOW(4 + 20 * i), RFIFOW(6 + 20 * i), 1);
                    break;

                    // Manage non implemented packets
                default:
                    //printf("%x\n",id);
                    //alert(pkt_nfo,"","","","",0,0);
                    break;
            }
            //alert(pkt_nfo,"","","","",0,0);

            RFIFOSKIP(len);
        }
    }
}