bd.qc

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#include "bd.qh"
REGISTER_MINIGAME(bd, _("Bulldozer"));
 
REGISTER_NET_LINKED(ENT_CLIENT_BD_CONTROLLER)
 
const int BD_TURN_MOVE  = 0x0100; // player must move the bulldozer
const int BD_TURN_WIN   = 0x0200; // victory
const int BD_TURN_LOSS  = 0x0400; // they did it?!
const int BD_TURN_EDIT  = 0x0800; // editing mode
const int BD_TURN_TYPE  = 0x0f00; // turn type mask
 
// send flags
const int BD_SF_PLAYERMOVES = MINIG_SF_CUSTOM;
const int BD_SF_UPDATE_SINGLE = MINIG_SF_CUSTOM<<1;
const int BD_SF_UPDATE_ALL = MINIG_SF_CUSTOM<<2;
 
// 240 tiles...
const int BD_LET_CNT = 20;
const int BD_NUM_CNT = 20;
 
const int BD_TILE_SIZE = 20;
 
const int BD_TEAMS = 1;
const int BD_SPECTATOR_TEAM = 255; // must be above max teams and equal to or below 255
 
.int bd_dir;
 
.int bd_dirs[BD_NUM_CNT];
 
.int bd_moves;
 
.int bd_tilelet;
 
.string bd_levelname;
.string bd_nextlevel;
 
#ifdef SVQC
.bool bd_canedit;
.int bd_forceupdate;
#endif
 
.int bd_tiletypes[BD_NUM_CNT];
 
.int bd_tiletype;
const int BD_TILE_DOZER = 1;
const int BD_TILE_TARGET = 2;
const int BD_TILE_BOULDER = 3;
const int BD_TILE_BRICK1 = 4;
const int BD_TILE_BRICK2 = 5;
const int BD_TILE_BRICK3 = 6;
const int BD_TILE_BRICK4 = 7;
const int BD_TILE_BRICK5 = 8;
const int BD_TILE_BRICK6 = 9;
const int BD_TILE_BRICK7 = 10;
const int BD_TILE_BRICK8 = 11;
const int BD_TILE_LAST = 11;
 
const int BD_DIR_UP = 0;
const int BD_DIR_DN = 1;
const int BD_DIR_LF = 2;
const int BD_DIR_RT = 3;
 
#ifdef SVQC
string autocvar_sv_minigames_bulldozer_startlevel = "level1";
#endif
 
// find same game piece given its tile name
entity bd_find_piece(entity minig, string tile, bool check_target)
{
    entity e = NULL;
    while ( ( e = findfloat(e,minigame_id,minig.minigame_id) ) )
        if ( e.classname == "minigame_board_piece" && e.netname == tile && ((check_target) ? e.bd_tiletype == BD_TILE_TARGET : e.bd_tiletype != BD_TILE_TARGET) )
            return e;
    return NULL;
}
 
entity bd_find_controller(entity minig, int letter)
{
    entity e = NULL;
    while ( ( e = findfloat(e,minigame_id,minig.minigame_id) ) )
        if ( e.classname == "bd_controller" && e.bd_tilelet == letter )
            return e;
    return NULL;
}
 
// check if the tile name is valid (15x15 grid)
bool bd_valid_tile(string tile)
{
    if ( !tile )
        return false;
    int number = minigame_tile_number(tile);
    int letter = minigame_tile_letter(tile);
    return 0 <= number && number < BD_NUM_CNT && 0 <= letter && letter < BD_LET_CNT;
}
 
void bd_controller_update(entity controller, int number)
{
#ifdef SVQC
    controller.bd_forceupdate = number;
#endif
    minigame_server_sendflags(controller,BD_SF_UPDATE_SINGLE);
}
 
entity bd_find_dozer(entity minig)
{
    entity e = NULL;
    while ( ( e = findfloat(e,minigame_id,minig.minigame_id) ) )
        if ( e.classname == "minigame_board_piece" && e.bd_tiletype == BD_TILE_DOZER )
            return e;
    return NULL;
}
 
#ifdef SVQC
bool bd_controller_send(entity this, entity to, int sf)
{
    WriteHeader(MSG_ENTITY, ENT_CLIENT_BD_CONTROLLER);
    if(sf & BD_SF_UPDATE_ALL)
        sf &= ~BD_SF_UPDATE_SINGLE;
 
    WriteByte(MSG_ENTITY, sf);
    WriteByte(MSG_ENTITY, this.bd_tilelet);
    WriteShort(MSG_ENTITY, this.minigame_id);
    WriteRegistered(Minigames, MSG_ENTITY, this.descriptor);
 
    if(sf & BD_SF_UPDATE_SINGLE)
    {
        int number = this.bd_forceupdate;
        //this.bd_forceupdate = 0;
        int ttype = this.bd_tiletypes[number];
        int dir = this.bd_dirs[number];
        WriteByte(MSG_ENTITY, number);
        WriteByte(MSG_ENTITY, ttype);
        WriteByte(MSG_ENTITY, dir);
    }
 
    if(sf & BD_SF_UPDATE_ALL)
    {
        for(int j = 0; j < BD_NUM_CNT; ++j)
        {
            int ttype = this.bd_tiletypes[j];
            int dir = this.bd_dirs[j];
            WriteByte(MSG_ENTITY, ttype);
            WriteByte(MSG_ENTITY, dir);
        }
    }
 
    return true;
}
#elif defined(CSQC)
NET_HANDLE(ENT_CLIENT_BD_CONTROLLER, bool isNew)
{
    this.classname = "bd_controller";
    return = true;
 
    int sf = ReadByte();
    this.bd_tilelet = ReadByte();
    this.minigame_id = ReadShort();
    this.descriptor = ReadRegistered(Minigames);
 
    if(sf & BD_SF_UPDATE_SINGLE)
    {
        int number = ReadByte();
        this.bd_tiletypes[number] = ReadByte();
        this.bd_dirs[number] = ReadByte();
    }
 
    if(sf & BD_SF_UPDATE_ALL)
    {
        for(int j = 0; j < BD_NUM_CNT; ++j)
        {
            this.bd_tiletypes[j] = ReadByte();
            this.bd_dirs[j] = ReadByte();
        }
    }
}
#endif
 
void bd_check_winner(entity minig)
{
    int total = 0, valid = 0;
    entity e = NULL;
    while ( ( e = findfloat(e,minigame_id,minig.minigame_id) ) )
        if ( e.classname == "minigame_board_piece" && e.bd_tiletype == BD_TILE_TARGET )
        {
            ++total;
            if(bd_find_piece(minig, e.netname, false).bd_tiletype == BD_TILE_BOULDER)
                ++valid;
        }
 
    if(valid >= total)
    {
        minig.minigame_flags = BD_TURN_WIN;
        minigame_server_sendflags(minig,MINIG_SF_UPDATE);
    }
}
 
vector bd_get_dir(int bdir)
{
    switch(bdir)
    {
        case BD_DIR_UP: return '0 1 0'; // up
        default:
        case BD_DIR_DN: return '0 -1 0'; // down
        case BD_DIR_LF: return '-1 0 0'; // left
        case BD_DIR_RT: return '1 0 0'; // right
    }
}
 
string bd_get_dir_name(int bdir)
{
    switch(bdir)
    {
        case BD_DIR_UP: return "u"; // up
        default:
        case BD_DIR_DN: return "d"; // down
        case BD_DIR_LF: return "l"; // left
        case BD_DIR_RT: return "r"; // right
    }
}
 
int bd_dir_fromname(string bdir)
{
    if(bdir == "up" || bdir == "u")
        return BD_DIR_UP; // up
    if(bdir == "down" || bdir == "dn" || bdir == "d")
        return BD_DIR_DN; 
    if(bdir == "left" || bdir == "lt" || bdir == "l")
        return BD_DIR_LF; // left
    if(bdir == "right" || bdir == "rt" || bdir == "r")
        return BD_DIR_RT; // right
 
    return BD_DIR_DN; // down
}
 
bool bd_canfill(int ttype)
{
    switch(ttype)
    {
        case BD_TILE_BRICK8:
        case BD_TILE_BRICK7:
        case BD_TILE_BRICK6:
        case BD_TILE_BRICK5:
        case BD_TILE_BRICK4:
        case BD_TILE_BRICK3:
        case BD_TILE_BRICK2:
        case BD_TILE_BRICK1: return true;
    }
 
    return false;
}
 
bool bd_move_dozer(entity minigame, entity dozer)
{
    //if(!dozer.bd_dir)
        //return false; // nope!
 
    int myx = minigame_tile_letter(dozer.netname);
    int myy = minigame_tile_number(dozer.netname);
 
    vector dir = bd_get_dir(dozer.bd_dir);
 
    myx += dir.x;
    myy += dir.y;
 
    string newpos = minigame_tile_buildname(myx, myy);
    if(!bd_valid_tile(newpos))
        return false;
 
    entity hit = bd_find_piece(minigame, newpos, false);
 
    if(hit)
    switch(hit.bd_tiletype)
    {
        case BD_TILE_DOZER: // wtf, but let's do this incase
        case BD_TILE_BRICK8:
        case BD_TILE_BRICK7:
        case BD_TILE_BRICK6:
        case BD_TILE_BRICK5:
        case BD_TILE_BRICK4:
        case BD_TILE_BRICK3:
        case BD_TILE_BRICK2:
        case BD_TILE_BRICK1: return false;
        case BD_TILE_BOULDER:
        {
            string testpos;
            int tx = minigame_tile_letter(hit.netname);
            int ty = minigame_tile_number(hit.netname);
 
            tx += dir.x;
            ty += dir.y;
 
            testpos = minigame_tile_buildname(tx, ty);
            if(!bd_valid_tile(testpos))
                return false;
            entity testhit = bd_find_piece(minigame, testpos, false);
            if(testhit)
                return false;
 
            entity controller = bd_find_controller(minigame, minigame_tile_letter(testpos));
            int tnum = minigame_tile_number(testpos);
            switch(controller.bd_tiletypes[tnum])
            {
                case BD_TILE_BRICK8:
                case BD_TILE_BRICK7:
                case BD_TILE_BRICK6:
                case BD_TILE_BRICK5:
                case BD_TILE_BRICK4:
                case BD_TILE_BRICK3:
                case BD_TILE_BRICK2:
                case BD_TILE_BRICK1: return false;
            }
 
            strcpy(hit.netname, testpos);
            minigame_server_sendflags(hit,MINIG_SF_UPDATE);
            break;
        }
    }
 
    entity controller = bd_find_controller(minigame, minigame_tile_letter(newpos));
    int number = minigame_tile_number(newpos);
    switch(controller.bd_tiletypes[number])
    {
        case BD_TILE_BRICK8:
        case BD_TILE_BRICK7:
        case BD_TILE_BRICK6:
        case BD_TILE_BRICK5:
        case BD_TILE_BRICK4:
        case BD_TILE_BRICK3:
        case BD_TILE_BRICK2:
        case BD_TILE_BRICK1: return false;
    }
 
    strcpy(dozer.netname, newpos);
 
    return true;
}
 
// make a move
void bd_move(entity minigame, entity player, string dir)
{
    if ( minigame.minigame_flags & BD_TURN_MOVE )
    if ( dir )
    {
        //if ( bd_valid_tile(pos) )
        //if ( bd_find_piece(minigame, pos, false) )
        {
            entity dozer = bd_find_dozer(minigame);
            if(!dozer)
            {
                LOG_INFO("Dozer wasn't found!");
                return; // should not happen... TODO: end match?
            }
 
            string thedir = strtolower(dir);
            int bdir = bd_dir_fromname(thedir);
 
            int moved = 0;
            entity e = NULL;
            while ( ( e = findfloat(e,minigame_id,minigame.minigame_id) ) )
                if ( e.classname == "minigame_board_piece" && e.bd_tiletype == BD_TILE_DOZER )
                {
                    e.bd_dir = bdir;
 
                    if(bd_move_dozer(minigame, e))
                        ++moved;
 
                    minigame_server_sendflags(e,MINIG_SF_UPDATE); // update anyway
                }
 
            if(moved)
                ++player.bd_moves;
 
            bd_check_winner(minigame);
 
            minigame_server_sendflags(player,BD_SF_PLAYERMOVES);
            minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
        }
    }
}
 
// editor
void bd_editor_place(entity minigame, entity player, string pos, int thetile, string thedir)
{
    if ( minigame.minigame_flags & BD_TURN_EDIT )
    if ( pos && thetile )
    {
        if ( bd_valid_tile(pos) )
        {
            entity found_piece = bd_find_piece(minigame, pos, false);
            entity targ = bd_find_piece(minigame, pos, true);
 
            if(found_piece.bd_tiletype == BD_TILE_DOZER && thedir != "")
            {
                string newdir = strtolower(thedir);
                int bdir = bd_dir_fromname(newdir);
 
                found_piece.bd_dir = bdir;
                minigame_server_sendflags(found_piece,MINIG_SF_UPDATE); // update anyway
                return;
            }
 
            //entity dozer = bd_find_dozer(minigame);
            //if(dozer && thetile == BD_TILE_DOZER && pos != dozer.netname)
                //return; // nice try
 
            int tlet = minigame_tile_letter(pos);
            int tnum = minigame_tile_number(pos);
            entity controller = bd_find_controller(minigame, tlet);
            if(controller.bd_tiletypes[tnum])
            {
                controller.bd_tiletypes[tnum] = 0;
                controller.bd_dirs[tnum] = 0;
                bd_controller_update(controller, tnum);
                return;
            }
 
            if(found_piece || (targ && thetile != BD_TILE_BOULDER))
            {
                entity piece = bd_find_piece(minigame, pos, false);
                if(!piece) piece = bd_find_piece(minigame, pos, true);
                if(!piece)
                    return; // how?!
 
                strfree(piece.netname);
                delete(piece);
                minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
                return;
            }
 
            if(bd_canfill(thetile))
            {
                int number = minigame_tile_number(pos);
                int letter = minigame_tile_letter(pos);
                entity controller = bd_find_controller(minigame, letter);
                controller.bd_tiletypes[number] = thetile;
                controller.bd_dirs[number] = 0;
                bd_controller_update(controller, number);
            }
            else
            {
                entity piece = msle_spawn(minigame,new(minigame_board_piece));
                piece.team = 1;
                piece.netname = strzone(pos);
                piece.bd_tiletype = thetile;
                piece.bd_dir = 0;
                minigame_server_sendflags(piece,MINIG_SF_UPDATE);
            }
 
            minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
        }
    }
}
 
void bd_do_move(entity minigame, entity player, string dir, string thetile, string thedir)
{
    if(minigame.minigame_flags & BD_TURN_MOVE)
        bd_move(minigame, player, dir);
 
    if(minigame.minigame_flags & BD_TURN_EDIT)
        bd_editor_place(minigame, player, dir, stof(thetile), thedir);
}
 
void bd_fill_recurse(entity minigame, entity player, int thetype, int letter, int number)
{
    string pos = minigame_tile_buildname(letter,number);
    if(!bd_valid_tile(pos))
        return;
    if(bd_find_piece(minigame, pos, false) || bd_find_piece(minigame, pos, true))
        return;
 
    bd_editor_place(minigame, player, pos, thetype, "");
 
    bd_fill_recurse(minigame, player, thetype, letter - 1, number);
    bd_fill_recurse(minigame, player, thetype, letter + 1, number);
    bd_fill_recurse(minigame, player, thetype, letter, number - 1);
    bd_fill_recurse(minigame, player, thetype, letter, number + 1);
}
 
void bd_unfill_recurse(entity minigame, entity player, int thetype, int letter, int number)
{
    string pos = minigame_tile_buildname(letter,number);
    if(!bd_valid_tile(pos))
        return;
 
    entity targ = bd_find_piece(minigame, pos, true);
    entity piece = bd_find_piece(minigame, pos, false);
 
    if(targ && thetype == targ.bd_tiletype)
    {
        strfree(targ.netname);
        delete(targ);
    }
    else if(piece && thetype == piece.bd_tiletype)
    {
        strfree(piece.netname);
        delete(piece);
    }
    else return;
 
    bd_unfill_recurse(minigame, player, thetype, letter - 1, number);
    bd_unfill_recurse(minigame, player, thetype, letter + 1, number);
    bd_unfill_recurse(minigame, player, thetype, letter, number - 1);
    bd_unfill_recurse(minigame, player, thetype, letter, number + 1);
}
 
void bd_do_fill(entity minigame, entity player, string dir, string thetile)
{
#ifdef SVQC
    if(!player.minigame_players.bd_canedit)
    {
        sprint(player.minigame_players, "You're not allowed to edit levels, sorry!\n");
        return;
    }
#endif
 
    if(minigame.minigame_flags & BD_TURN_EDIT)
    {
        int thetype = stof(thetile);
 
        entity targ = bd_find_piece(minigame, dir, true);
        entity piece = bd_find_piece(minigame, dir, false);
 
        if(!bd_canfill(thetype) || (piece || targ))
        {
            int killtype = 0;
 
            if(targ) { killtype = targ.bd_tiletype; }
            if(piece) { killtype = piece.bd_tiletype; }
 
            if(killtype)
            {
                int letter = minigame_tile_letter(dir);
                int number = minigame_tile_number(dir);
                bd_unfill_recurse(minigame, player, killtype, letter, number);
            }
 
            return;
        }
 
        int letter = minigame_tile_letter(dir);
        int number = minigame_tile_number(dir);
 
        bd_fill_recurse(minigame, player, thetype, letter, number);
    }
}
 
void bd_reset_moves(entity minigame)
{
    entity e;
#ifdef SVQC
    for(e = minigame.minigame_players; e; e = e.list_next)
#elif defined(CSQC)
    e = NULL;
    while( (e = findfloat(e,minigame_id,minigame.minigame_id)) )
        if ( e.classname == "minigame_player" )
#endif
        {
            e.bd_moves = 0;
            minigame_server_sendflags(e,BD_SF_PLAYERMOVES);
        }
}
 
void bd_load_level(entity minigame);
void bd_setup_pieces(entity minigame)
{
    entity e = NULL;
    while( (e = findfloat(e, minigame_id, minigame.minigame_id)) )
        if(e.classname == "minigame_board_piece")
        {
            strfree(e.netname);
            delete(e);
        }
    e = NULL;
    while( (e = findfloat(e, minigame_id, minigame.minigame_id)) )
        if(e.classname == "bd_controller")
        {
            delete(e);
        }
 
    for(int letter = 0; letter < BD_LET_CNT; ++letter)
    {
        entity controller = new_pure(bd_controller);
        controller.owner = minigame;
        controller.minigame_id = minigame.minigame_id;
        controller.descriptor = minigame.descriptor;
        controller.bd_tilelet = letter;
    #ifdef SVQC
        Net_LinkEntity(controller, false, 0, bd_controller_send);
    #endif
    }
 
    bd_load_level(minigame);
}
 
void bd_do_next_match(entity minigame, entity player)
{
    minigame.minigame_flags = BD_TURN_MOVE;
    minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
 
    if(minigame.bd_nextlevel && minigame.bd_nextlevel != "")
    {
        strcpy(minigame.bd_levelname, minigame.bd_nextlevel);
    }
 
    bd_setup_pieces(minigame);
 
    bd_reset_moves(minigame);
}
 
void bd_set_next_match(entity minigame, string next)
{
    strcpy(minigame.bd_nextlevel, next);
}
 
void bd_next_match(entity minigame, entity player, string next)
{
    if(minigame.minigame_flags & BD_TURN_WIN)
        bd_do_next_match(minigame, player);
    if(minigame.minigame_flags & BD_TURN_EDIT)
        bd_set_next_match(minigame, next);
}
 
// request a new match
void bd_restart_match(entity minigame, entity player)
{
    minigame.minigame_flags = BD_TURN_MOVE;
    minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
 
    bd_setup_pieces(minigame);
 
    bd_reset_moves(minigame);
}
 
void bd_activate_editor(entity minigame, entity player)
{
#ifdef SVQC
    if(!player.minigame_players.bd_canedit)
    {
        sprint(player.minigame_players, "You're not allowed to edit levels, sorry!\n");
        return;
    }
#endif
 
    minigame.minigame_flags = BD_TURN_EDIT;
    minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
 
    bd_reset_moves(minigame);
 
    bd_setup_pieces(minigame);
}
 
string bd_save_controller_piece(entity minigame, entity e, int number)
{
    string bd_string = "";
 
    string tilename = minigame_tile_buildname(e.bd_tilelet, number);
 
    bd_string = strcat(bd_string, "\"", tilename, "\" ");
    bd_string = strcat(bd_string, ftos(e.bd_tiletypes[number]), " ");
    bd_string = strcat(bd_string, ftos(e.bd_dirs[number]));
 
    return bd_string;
}
 
string bd_save_piece(entity minigame, entity e)
{
    string bd_string = "";
 
    bd_string = strcat(bd_string, "\"", e.netname, "\" ");
    bd_string = strcat(bd_string, ftos(e.bd_tiletype), " ");
    bd_string = strcat(bd_string, ftos(e.bd_dir));
 
    return bd_string;
}
 
void bd_set_nextlevel(entity minigame, string s)
{
    tokenize_console(s);
 
    strcpy(minigame.bd_nextlevel, argv(2));
}
 
int bd_fix_dir(vector dir)
{
    if(dir.x == 0 && dir.y == 1) { return BD_DIR_UP; } // up
    if(dir.x == 0 && dir.y == -1) { return BD_DIR_DN; } // down
    if(dir.x == -1 && dir.y == 0) { return BD_DIR_LF; } // left
    if(dir.x == 1 && dir.y == 0) { return BD_DIR_RT; } // right
 
    return BD_DIR_DN; // down if all else fails
}
 
void bd_load_piece(entity minigame, string s)
{
    // separate pieces between the ; symbols
    string bd_string = s;
 
    tokenize_console(bd_string);
 
    int argv_num = 0;
    string tilename = strzone(argv(argv_num)); ++argv_num;
    int tiletype = stoi(argv(argv_num)); ++argv_num;
    int dir = stoi(argv(argv_num)); ++argv_num;
 
    if(bd_canfill(tiletype))
    {
        int letter = minigame_tile_letter(tilename);
        int number = minigame_tile_number(tilename);
        entity controller = bd_find_controller(minigame, letter);
        controller.bd_tiletypes[number] = tiletype;
        controller.bd_dirs[number] = dir;
 
        bd_controller_update(controller, number);
    }
    else
    {
        entity e = msle_spawn(minigame,new(minigame_board_piece));
        e.netname = tilename;
        e.team = 1;
        e.bd_dir = dir;
        e.bd_tiletype = tiletype;
        minigame_server_sendflags(e,MINIG_SF_ALL);
    }
}
 
bool bd_save_level(entity minigame)
{
    if(minigame.bd_levelname && minigame.bd_levelname != "")
    {
        int target_count = 0, boulder_count = 0;
        entity piece = NULL;
        while((piece = findfloat(piece,minigame_id,minigame.minigame_id)))
            if(piece.classname == "minigame_board_piece")
            {
                if(piece.bd_tiletype == BD_TILE_BOULDER)
                    ++boulder_count;
                else if(piece.bd_tiletype == BD_TILE_TARGET)
                    ++target_count;
            }
 
        if(boulder_count != target_count)
        {
            LOG_INFO("Not enough targets or boulders, fix your level!");
            return false;
        }
 
        // saves all objects to the database file
        string file_name;
        float file_get;
 
        file_name = strcat("minigames/bulldozer/storage_", minigame.bd_levelname, ".txt");
        file_get = fopen(file_name, FILE_WRITE);
        fputs(file_get, strcat("// bulldozer storage \"", minigame.bd_levelname, "\" last updated ", strftime(true, "%d-%m-%Y %H:%M:%S"), "\n"));
 
        if(minigame.bd_nextlevel && minigame.bd_nextlevel != "" && fexists(strcat("minigames/bulldozer/storage_", minigame.bd_nextlevel, ".txt")))
            fputs(file_get, strcat("nextlevel = \"", minigame.bd_nextlevel, "\"\n"));
 
        entity e = NULL;
        while ( ( e = findfloat(e,minigame_id,minigame.minigame_id) ) )
        if ( e.classname == "bd_controller" )
        {
            for(int j = 0; j < BD_NUM_CNT; ++j)
            {
                // use a line of text for each object, listing all properties
                fputs(file_get, strcat(bd_save_controller_piece(minigame, e, j), "\n"));
            }
        }
        e = NULL;
 
        while ( ( e = findfloat(e,minigame_id,minigame.minigame_id) ) )
        if ( e.classname == "minigame_board_piece" )
        {
            // use a line of text for each object, listing all properties
            fputs(file_get, strcat(bd_save_piece(minigame, e), "\n"));
        }
        fclose(file_get);
 
        return true;
    }
 
    return false;
}
 
void bd_load_level(entity minigame)
{
    // loads all items from the database file
    string file_read, file_name;
    float file_get;
 
    file_name = strcat("minigames/bulldozer/storage_", minigame.bd_levelname, ".txt");
    file_get = fopen(file_name, FILE_READ);
    if(file_get < 0)
    {
        LOG_INFO("^3BULLDOZER: ^7could not find storage file ^3", file_name, "^7, no items were loaded");
    }
    else
    {
        for(;;)
        {
            file_read = fgets(file_get);
            if(file_read == "")
                break;
            if(substring(file_read, 0, 2) == "//")
                continue;
            if(substring(file_read, 0, 1) == "#")
                continue;
            if(substring(file_read, 0, 9) == "nextlevel")
            {
                bd_set_nextlevel(minigame, file_read);
                continue;
            }
 
            bd_load_piece(minigame, file_read);
        }
    }
    fclose(file_get);
}
 
void bd_close_editor(entity minigame, entity player)
{
#ifdef SVQC
    if(!player.minigame_players.bd_canedit)
    {
        sprint(player.minigame_players, "You're not allowed to edit levels, sorry!\n");
        return;
    }
#endif
 
    entity dozer = bd_find_dozer(minigame);
    if(!dozer)
    {
        LOG_INFO("You need to place a bulldozer on the level to save it!");
        return;
    }
 
    if(bd_save_level(minigame))
    {
        minigame.minigame_flags = BD_TURN_MOVE;
        minigame_server_sendflags(minigame,MINIG_SF_UPDATE);
    }
    else
    {
        LOG_INFO("You need to set the level name!");
        return;
    }
}
 
#ifdef SVQC
 
// required function, handle server side events
int bd_server_event(entity minigame, string event, ...)
{
    switch(event)
    {
        case "start":
        {
            strcpy(minigame.bd_levelname, autocvar_sv_minigames_bulldozer_startlevel);
            bd_setup_pieces(minigame);
            minigame.minigame_flags = BD_TURN_MOVE;
 
            return true;
        }
        case "end":
        {
            entity e = NULL;
            while( (e = findfloat(e, minigame_id, minigame.minigame_id)) )
            if(e.classname == "minigame_board_piece")
            {
                strfree(e.netname);
                delete(e);
            }
            e = NULL;
            while( (e = findfloat(e, minigame_id, minigame.minigame_id)) )
            if(e.classname == "bd_controller")
            {
                delete(e);
            }
 
            strfree(minigame.bd_nextlevel);
            strfree(minigame.bd_levelname);
            return false;
        }
        case "join":
        {
            int pl_num = minigame_count_players(minigame);
 
            if(pl_num >= BD_TEAMS) { return BD_SPECTATOR_TEAM; }
 
            return 1;
        }
        case "cmd":
        {
            entity player = ...(0,entity);
            bool event_blocked = (player.team == BD_SPECTATOR_TEAM);
            switch(argv(0))
            {
                case "move":
                    if(event_blocked)
                        return true;
                    bd_do_move(minigame, ...(0,entity), ((...(1,int)) >= 2 ? argv(1) : string_null), ((...(1,int)) >= 3 ? argv(2) : string_null), ((...(1,int)) >= 4 ? argv(3) : string_null));
                    return true;
                case "next":
                    if(event_blocked)
                        return true;
                    bd_next_match(minigame,...(0,entity), ((...(1,int) >= 2 ? argv(1) : string_null)));
                    return true;
                case "restart":
                    if(event_blocked)
                        return true;
                    bd_restart_match(minigame,...(0,entity));
                    return true;
                case "edit":
                    if(event_blocked)
                        return true;
                    bd_activate_editor(minigame,...(0,entity));
                    return true;
                case "save":
                    if(event_blocked)
                        return true;
                    bd_close_editor(minigame,...(0,entity));
                    return true;
                case "fill":
                    if(event_blocked)
                        return true;
                    bd_do_fill(minigame, ...(0,entity), ((...(1,int)) >= 2 ? argv(1) : string_null), ((...(1,int)) >= 3 ? argv(2) : string_null));
                    return true;
            }
 
            return false;
        }
        case "network_send":
        {
            entity sent = ...(0,entity);
            int sf = ...(1,int);
            if ( sent.classname == "minigame_board_piece" && (sf & MINIG_SF_UPDATE) )
            {
                int letter = minigame_tile_letter(sent.netname);
                int number = minigame_tile_number(sent.netname);
 
                WriteByte(MSG_ENTITY,letter);
                WriteByte(MSG_ENTITY,number);
 
                WriteByte(MSG_ENTITY,sent.bd_tiletype);
 
                WriteByte(MSG_ENTITY,sent.bd_dir);
            }
            else if(sent.classname == "minigame_player" && (sf & BD_SF_PLAYERMOVES))
                WriteShort(MSG_ENTITY,sent.bd_moves);
            return false;
        }
    }
 
    return false;
}
 
 
#elif defined(CSQC)
 
int bd_curr_tile;
string bd_curr_pos;
 
.entity bd_enemy;
.bool bd_hide;
 
vector bd_boardpos; // HUD board position
vector bd_boardsize;// HUD board size
 
string bd_get_tile_pic(int tileid)
{
    switch(tileid)
    {
        case BD_TILE_BOULDER: return "bd/boulder";
        case BD_TILE_BRICK1: return "bd/brick1";
        case BD_TILE_BRICK2: return "bd/brick2";
        case BD_TILE_BRICK3: return "bd/brick3";
        case BD_TILE_BRICK4: return "bd/brick4";
        case BD_TILE_BRICK5: return "bd/brick5";
        case BD_TILE_BRICK6: return "bd/brick6";
        case BD_TILE_BRICK7: return "bd/brick7";
        case BD_TILE_BRICK8: return "bd/brick8";
        case BD_TILE_TARGET: return "bd/target";
        case BD_TILE_DOZER: return "bd/dozer";
    }
 
    return string_null;
}
 
// Required function, draw the game board
void bd_hud_board(vector pos, vector mySize)
{
    minigame_hud_fitsqare(pos, mySize);
    bd_boardpos = pos;
    bd_boardsize = mySize;
 
    minigame_hud_simpleboard(pos,mySize,minigame_texture("bd/board"));
 
    vector tile_size = minigame_hud_denormalize_size('1 1 0' / BD_TILE_SIZE,pos,mySize);
    vector tile_pos;
 
    entity e;
    FOREACH_MINIGAME_ENTITY(e)
    {
        if(e.classname == "minigame_board_piece")
        {
            if(e.bd_tiletype == BD_TILE_TARGET)
            {
                e.bd_enemy = NULL;
                e.bd_enemy = bd_find_piece(active_minigame, e.netname, false);
            }
            else if(e.bd_tiletype == BD_TILE_BOULDER)
            {
                e.bd_hide = false; // reset either way
                e.bd_hide = ((bd_find_piece(active_minigame, e.netname, true)) != NULL);
            }
        }
    }
    FOREACH_MINIGAME_ENTITY(e)
    {
        if ( e.classname == "bd_controller" )
        {
            for(int j = 0; j < BD_NUM_CNT; ++j)
            {
                if(!e.bd_tiletypes[j]) continue;
 
                int letter = e.bd_tilelet;
                string mypos = minigame_tile_buildname(letter, j);
 
                tile_pos = minigame_tile_pos(mypos,BD_NUM_CNT,BD_LET_CNT);
                tile_pos = minigame_hud_denormalize(tile_pos,pos,mySize);
 
                string thepiece = bd_get_tile_pic(e.bd_tiletypes[j]);
 
                minigame_drawpic_centered( tile_pos,
                        minigame_texture(thepiece),
                        tile_size, '1 1 1', panel_fg_alpha, DRAWFLAG_NORMAL );
            }
        }
        else if ( e.classname == "minigame_board_piece" )
        {
            if(e.bd_tiletype != BD_TILE_DOZER && !e.bd_hide) // hide boulders
            {
                tile_pos = minigame_tile_pos(e.netname,BD_NUM_CNT,BD_LET_CNT);
                tile_pos = minigame_hud_denormalize(tile_pos,pos,mySize);
 
                string thepiece = bd_get_tile_pic(e.bd_tiletype);
 
                if(e.bd_enemy)
                    thepiece = "bd/boulder_target";
 
                minigame_drawpic_centered( tile_pos,
                        minigame_texture(thepiece),
                        tile_size, '1 1 1', panel_fg_alpha, DRAWFLAG_NORMAL );
            }
        }
    }
 
    // draw dozers on top, always
    FOREACH_MINIGAME_ENTITY(e)
    {
        if ( e.classname == "minigame_board_piece" && e.bd_tiletype == BD_TILE_DOZER )
        {
            tile_pos = minigame_tile_pos(e.netname,BD_NUM_CNT,BD_LET_CNT);
            tile_pos = minigame_hud_denormalize(tile_pos,pos,mySize);
 
            int bdir = e.bd_dir;
            float theang = 0;
 
            switch(bdir)
            {
                case BD_DIR_UP: theang = 0; break;
                default:
                case BD_DIR_DN: theang = M_PI; break;
                case BD_DIR_LF: theang = M_PI * 3 / 2; break;
                case BD_DIR_RT: theang = M_PI / 2; break;
            }
 
            drawrotpic(tile_pos, theang, minigame_texture("bd/dozer"),
                        tile_size, tile_size/2, '1 1 1',
                        panel_fg_alpha, DRAWFLAG_NORMAL );
        }
    }
 
    if(active_minigame.minigame_flags & BD_TURN_EDIT)
    if(bd_valid_tile(bd_curr_pos))
    {
        entity piece = bd_find_piece(active_minigame, bd_curr_pos, false);
        entity targ = bd_find_piece(active_minigame, bd_curr_pos, true);
        string thepiece = ((piece || (targ && bd_curr_tile != BD_TILE_BOULDER)) ? "bd/delete" : bd_get_tile_pic(bd_curr_tile));
 
        tile_pos = minigame_tile_pos(bd_curr_pos,BD_LET_CNT,BD_NUM_CNT);
        tile_pos = minigame_hud_denormalize(tile_pos,pos,mySize);
        if(bd_curr_tile == BD_TILE_DOZER)
        {
            drawrotpic(tile_pos, M_PI, minigame_texture("bd/dozer"),
                        tile_size, tile_size/2, '1 1 1',
                        panel_fg_alpha/2, DRAWFLAG_NORMAL );
        }
        else
        {
            minigame_drawpic_centered( tile_pos,
                    minigame_texture(thepiece),
                    tile_size, '1 1 1', panel_fg_alpha/2, DRAWFLAG_NORMAL );
        }
    }
 
    if(active_minigame.minigame_flags & (BD_TURN_LOSS | BD_TURN_WIN))
    {
        vector winfs = hud_fontsize*2;
        string victory_text = _("Game over!");
 
        if(active_minigame.minigame_flags & BD_TURN_WIN)
            victory_text = _("Well done! Click \"Next Level\" to continue");
 
        vector win_pos = pos+eY*(mySize_y-winfs_y)/2;
        vector win_sz = minigame_drawcolorcodedstring_wrapped(mySize_x,win_pos,
            victory_text, winfs, 0, DRAWFLAG_NORMAL, 0.5);
 
        drawfill(win_pos-eY*hud_fontsize_y,win_sz+2*eY*hud_fontsize_y,'0.3 0.3 1',0.8*panel_fg_alpha,DRAWFLAG_ADDITIVE);
 
        minigame_drawcolorcodedstring_wrapped(mySize_x,win_pos,
            victory_text, winfs, panel_fg_alpha, DRAWFLAG_NORMAL, 0.5);
    }
 
    minigame_show_allspecs(bd_boardpos, bd_boardsize);
}
 
 
// Required function, draw the game status panel
void bd_hud_status(vector pos, vector mySize)
{
    HUD_Panel_DrawBg();
    vector ts = minigame_drawstring_wrapped(mySize_x,pos,active_minigame.descriptor.message,
        hud_fontsize * 2, '0.25 0.47 0.72', panel_fg_alpha, DRAWFLAG_NORMAL,0.5);
 
    pos_y += ts_y;
    mySize_y -= ts_y;
 
    vector player_fontsize = hud_fontsize * 1.75;
    ts_y = ( mySize_y - 2*player_fontsize_y ) / BD_TEAMS;
    ts_x = mySize_x;
    vector mypos;
    vector tile_size = '48 48 0';
 
    if(minigame_self.team != BD_SPECTATOR_TEAM)
    {
        mypos = pos;
        drawfill(mypos,eX*mySize_x+eY*player_fontsize_y,'1 1 1',0.5*panel_fg_alpha,DRAWFLAG_ADDITIVE);
        mypos_y += player_fontsize_y;
        drawfill(mypos,eX*mySize_x+eY*tile_size_y,'1 1 1',0.25*panel_fg_alpha,DRAWFLAG_ADDITIVE);
    }
 
    entity e;
    FOREACH_MINIGAME_ENTITY(e)
    {
        if ( e.classname == "minigame_player" && e.team != BD_SPECTATOR_TEAM )
        {
            mypos = pos;
            minigame_drawcolorcodedstring_trunc(mySize_x,mypos,
                entcs_GetName(e.minigame_playerslot-1),
                player_fontsize, panel_fg_alpha, DRAWFLAG_NORMAL);
 
            mypos_y += player_fontsize_y;
            string thepiece = "bd/dozer";
            if(active_minigame.minigame_flags & BD_TURN_EDIT)
                thepiece = bd_get_tile_pic(bd_curr_tile);
            const float tile_scale = 0.7;
            drawpic( mypos + tile_size * 0.5 * (1 - tile_scale),
                    minigame_texture(thepiece),
                    tile_size * tile_scale, '1 1 1', panel_fg_alpha, DRAWFLAG_NORMAL );
 
            mypos_x += tile_size_x;
 
            drawstring(mypos,ftos(e.bd_moves),tile_size,
                       '0.7 0.84 1', panel_fg_alpha, DRAWFLAG_NORMAL);
        }
    }
}
 
// Turn a set of flags into a help message
string bd_turn_to_string(int turnflags)
{
    if(minigame_self.team == BD_SPECTATOR_TEAM)
        return _("You are spectating");
 
    if ( turnflags & BD_TURN_LOSS )
        return _("Better luck next time!");
 
    if ( turnflags & BD_TURN_WIN )
    {
        if(random() > 0.5)
            return _("Tubular! Press \"Next Level\" to continue!");
        else
            return _("Wicked! Press \"Next Level\" to continue!");
    }
 
    if( turnflags & BD_TURN_EDIT )
        return _("Press the spacebar to change your currently selected tile");
 
    if ( turnflags & BD_TURN_MOVE )
        return _("Push the boulders onto the targets");
 
    return "";
}
 
// Make the correct move
void bd_make_move(entity minigame, string dir)
{
    if ( minigame.minigame_flags == BD_TURN_MOVE )
    {
        minigame_cmd("move ", dir);
    }
}
 
void bd_editor_make_move(entity minigame, string dir)
{
    if ( minigame.minigame_flags == BD_TURN_EDIT )
    {
        minigame_cmd("move ", bd_curr_pos, " ", ftos(bd_curr_tile), " ", dir);
    }
}
 
void bd_editor_fill(entity minigame)
{
    if ( minigame.minigame_flags == BD_TURN_EDIT )
    {
        minigame_cmd("fill ", bd_curr_pos, " ", ftos(bd_curr_tile));
    }
}
 
void bd_set_curr_pos(string s)
{
    strfree(bd_curr_pos);
    if ( s )
        s = strzone(s);
    bd_curr_pos = s;
}
 
bool bd_change_dozer_angle(entity minigame)
{
    entity dozer = bd_find_piece(minigame, bd_curr_pos, false);
    if(!dozer || dozer.bd_tiletype != BD_TILE_DOZER)
        return false;
 
    switch(dozer.bd_dir)
    {
        case BD_DIR_UP: dozer.bd_dir = BD_DIR_LF; break; // up -> left
        default:
        case BD_DIR_DN: dozer.bd_dir = BD_DIR_RT; break; // down -> right
        case BD_DIR_LF: dozer.bd_dir = BD_DIR_DN; break; // left -> down
        case BD_DIR_RT: dozer.bd_dir = BD_DIR_UP; break; // right -> up
    }
    string thedir = bd_get_dir_name(dozer.bd_dir);
 
    bd_editor_make_move(minigame, thedir);
    return true;
}
 
// Required function, handle client events
int bd_client_event(entity minigame, string event, ...)
{
    switch(event)
    {
        case "activate":
        {
            strcpy(minigame.message, bd_turn_to_string(minigame.minigame_flags));
            bd_set_curr_pos("");
            bd_curr_tile = BD_TILE_BRICK1;
            return false;
        }
        case "deactivate":
        {
            strfree(minigame.message);
            return false;
        }
        case "key_pressed":
        case "key_released":
        {
            bool event_blocked = ((event == "key_released")
                || !(minigame.minigame_flags & BD_TURN_MOVE) || (minigame_self.team == BD_SPECTATOR_TEAM));
            if (!(minigame.minigame_flags & (BD_TURN_WIN | BD_TURN_LOSS)))
            {
                switch ( ...(0,int) )
                {
                    case K_RIGHTARROW:
                    case K_KP_RIGHTARROW:
                        if (event_blocked)
                            return true;
                        bd_make_move(minigame, "r");
                        return true;
                    case K_LEFTARROW:
                    case K_KP_LEFTARROW:
                        if (event_blocked)
                            return true;
                        bd_make_move(minigame, "l");
                        return true;
                    case K_UPARROW:
                    case K_KP_UPARROW:
                        if (event_blocked)
                            return true;
                        bd_make_move(minigame, "u");
                        return true;
                    case K_DOWNARROW:
                    case K_KP_DOWNARROW:
                        if (event_blocked)
                            return true;
                        bd_make_move(minigame, "d");
                        return true;
                }
            }
 
            if(minigame.minigame_flags & BD_TURN_EDIT)
            {
                switch ( ...(0,int) )
                {
                    case K_RIGHTARROW:
                    case K_KP_RIGHTARROW:
                        if (event_blocked)
                            return true;
                        if ( ! bd_curr_pos )
                            bd_set_curr_pos("a3");
                        else
                            bd_set_curr_pos(minigame_relative_tile(bd_curr_pos,1,0,BD_NUM_CNT,BD_LET_CNT));
                        return true;
                    case K_LEFTARROW:
                    case K_KP_LEFTARROW:
                        if (event_blocked)
                            return true;
                        if ( ! bd_curr_pos )
                            bd_set_curr_pos("c3");
                        else
                            bd_set_curr_pos(minigame_relative_tile(bd_curr_pos,-1,0,BD_NUM_CNT,BD_LET_CNT));
                        return true;
                    case K_UPARROW:
                    case K_KP_UPARROW:
                        if (event_blocked)
                            return true;
                        if ( ! bd_curr_pos )
                            bd_set_curr_pos("a1");
                        else
                            bd_set_curr_pos(minigame_relative_tile(bd_curr_pos,0,1,BD_NUM_CNT,BD_LET_CNT));
                        return true;
                    case K_DOWNARROW:
                    case K_KP_DOWNARROW:
                        if (event_blocked)
                            return true;
                        if ( ! bd_curr_pos )
                            bd_set_curr_pos("a3");
                        else
                            bd_set_curr_pos(minigame_relative_tile(bd_curr_pos,0,-1,BD_NUM_CNT,BD_LET_CNT));
                        return true;
                    case K_ENTER:
                    case K_KP_ENTER:
                        if (event_blocked)
                            return true;
                        bd_editor_make_move(minigame, "");
                        return true;
                    case K_SPACE:
                        if (event_blocked)
                            return true;
                        if(bd_change_dozer_angle(minigame))
                            return true;
                        ++bd_curr_tile;
                        if(bd_curr_tile > BD_TILE_LAST)
                            bd_curr_tile = 1;
                        return true;
                }
            }
 
            return false;
        }
        case "mouse_pressed":
        {
            if((minigame.minigame_flags & BD_TURN_EDIT) && minigame_self.team != BD_SPECTATOR_TEAM)
            {
                if(...(0,int) == K_MOUSE1)
                {
                    bd_client_event(minigame, "mouse_moved");
                    bd_editor_make_move(minigame, "");
                    return true;
                }
 
                if(...(0,int) == K_MOUSE2)
                {
                    bd_client_event(minigame, "mouse_moved");
                    bd_editor_fill(minigame);
                    return true;
                }
            }
 
            return false;
        }
        case "mouse_moved":
        {
            if((minigame.minigame_flags & BD_TURN_EDIT) && minigame_self.team != BD_SPECTATOR_TEAM)
            {
                vector mouse_pos = minigame_hud_normalize(mousepos,bd_boardpos,bd_boardsize);
                bd_set_curr_pos(minigame_tile_name(mouse_pos,BD_LET_CNT,BD_NUM_CNT));
                if ( ! bd_valid_tile(bd_curr_pos) )
                    bd_set_curr_pos("");
            }
            return true;
        }
        case "network_receive":
        {
            entity sent = ...(0,entity);
            int sf = ...(1,int);
            if ( sent.classname == "minigame" )
            {
                if ( sf & MINIG_SF_UPDATE )
                {
                    strcpy(sent.message, bd_turn_to_string(sent.minigame_flags));
                    //if ( sent.minigame_flags & minigame_self.team )
                        //minigame_prompt();
                }
            }
            else if(sent.classname == "minigame_board_piece")
            {
                if(sf & MINIG_SF_UPDATE)
                {
                    int letter = ReadByte();
                    int number = ReadByte();
                    strcpy(sent.netname, minigame_tile_buildname(letter, number));
 
                    sent.bd_tiletype = ReadByte();
 
                    sent.bd_dir = ReadByte();
                }
            }
            else if(sent.classname == "minigame_player" && (sf & BD_SF_PLAYERMOVES))
                sent.bd_moves = ReadShort(); // make this a byte when possible
 
            return false;
        }
        case "menu_show":
        {
            HUD_MinigameMenu_CustomEntry(...(0,entity),_("Next Level"),"next");
            HUD_MinigameMenu_CustomEntry(...(0,entity),_("Restart"),"restart");
            HUD_MinigameMenu_CustomEntry(...(0,entity),_("Editor"),"edit");
            HUD_MinigameMenu_CustomEntry(...(0,entity),_("Save"),"save");
            return false;
        }
        case "menu_click":
        {
            if(...(0,string) == "next")
                minigame_cmd("next");
            if(...(0,string) == "restart")
                minigame_cmd("restart");
            if(...(0,string) == "edit")
                minigame_cmd("edit");
            if(...(0,string) == "save")
                minigame_cmd("save");
            return false;
        }
    }
 
    return false;
}
 
#endif