unit uFLGameConfig;

interface

uses uFLTypes;

procedure resetGameConfig; cdecl;

procedure runQuickGame; cdecl;

procedure runLocalGame; cdecl;

procedure getPreview; cdecl;

procedure registerGUIMessagesCallback(p: pointer; f: TGUICallback); cdecl;

procedure setSeed(seed: PChar); cdecl;

function  getSeed: PChar; cdecl;

procedure setTheme(themeName: PChar); cdecl;

procedure setScript(scriptName: PChar); cdecl;

procedure setScheme(schemeName: PChar); cdecl;

procedure setAmmo(ammoName: PChar); cdecl;

procedure tryAddTeam(teamName: PChar); cdecl;

procedure tryRemoveTeam(teamName: PChar); cdecl;

procedure changeTeamColor(teamName: PChar; dir: LongInt); cdecl;

implementation

uses uFLIPC, hwengine, uFLUtils, uFLTeams, uFLData, uFLSChemes, uFLAmmo;

var guiCallbackPointer: pointer;

    guiCallbackFunction: TGUICallback;

const

    MAXCONFIGS = 5;

    MAXARGS = 32;

type

    TGameConfig = record

            seed: shortstring;

            theme: shortstring;

            script: shortstring;

            scheme: TScheme;

            ammo: TAmmo;

            mapgen: Longint;

            gameType: TGameType;

            teams: array[0..7] of TTeam;

            arguments: array[0..Pred(MAXARGS)] of shortstring;

            argv: array[0..Pred(MAXARGS)] of PChar;

            argumentsNumber: Longword;

            end;

    PGameConfig = ^TGameConfig;

var

    currentConfig: TGameConfig;

procedure sendConfig(config: PGameConfig);

var i: Longword;

begin

with config^ do

begin

    case gameType of

    gtPreview: begin

            if script <> '' then

                ipcToEngine('escript ' + script);

            ipcToEngine('eseed ' + seed);

            ipcToEngine('e$mapgen ' + intToStr(mapgen));

        end;

    gtLocal: begin

            if script <> '' then

                ipcToEngine('escript ' + script);

            ipcToEngine('eseed ' + seed);

            ipcToEngine('e$mapgen ' + intToStr(mapgen));

            ipcToEngine('e$theme ' + theme);

            sendSchemeConfig(scheme);

            i:= 0;

            while (i < 8) and (teams[i].hogsNumber > 0) do

                begin

                    sendAmmoConfig(config^.ammo);

                    ipcToEngine('eammstore');

                    sendTeamConfig(teams[i]);

                    inc(i)

                end;

        end;

    end;

    ipcToEngine('!');

end;

end;

procedure queueExecution;

var pConfig: PGameConfig;

    i: Longword;

begin

    new(pConfig);

    pConfig^:= currentConfig;

    with pConfig^ do

        for i:= 0 to Pred(MAXARGS) do

        begin

            if arguments[i][0] = #255 then 

                arguments[i][255]:= #0

            else

                arguments[i][byte(arguments[i][0]) + 1]:= #0;

            argv[i]:= @arguments[i][1]

        end;

    RunEngine(pConfig^.argumentsNumber, @pConfig^.argv);

    sendConfig(pConfig)

end;

procedure resetGameConfig; cdecl;

var i: Longword;

begin

    with currentConfig do

    begin

        for i:= 0 to 7 do

            teams[i].hogsNumber:= 0

    end

end;

procedure setSeed(seed: PChar); cdecl;

begin

    currentConfig.seed:= seed

end;

function getSeed: PChar; cdecl;

begin

    getSeed:= str2PChar(currentConfig.seed)

end;

function getUnusedColor: Longword;

var i, c: Longword;

    fColorMatched: boolean;

begin

    c:= 0;

    i:= 0;

    repeat

        repeat

            fColorMatched:= (currentConfig.teams[i].hogsNumber > 0) and (currentConfig.teams[i].color = c);

            inc(i)

        until (i >= 8) or (currentConfig.teams[i].hogsNumber = 0) or fColorMatched;

        if fColorMatched then

        begin

            i:= 0;

            inc(c)

        end;

    until not fColorMatched;

    getUnusedColor:= c

end;

procedure runQuickGame; cdecl;

begin

    with currentConfig do

    begin

        gameType:= gtLocal;

        arguments[0]:= '';

        arguments[1]:= '--internal';

        arguments[2]:= '--nomusic';

        argumentsNumber:= 3;

        teams[0]:= createRandomTeam;

        teams[0].color:= 0;

        teams[1]:= createRandomTeam;

        teams[1].color:= 1;

        teams[1].botLevel:= 1;

        queueExecution;

    end;

end;

procedure getPreview; cdecl;

begin

    with currentConfig do

    begin

        gameType:= gtPreview;

        arguments[0]:= '';

        arguments[1]:= '--internal';

        arguments[2]:= '--landpreview';

        argumentsNumber:= 3;

        queueExecution;

    end;

end;

procedure runLocalGame; cdecl;

begin

    with currentConfig do

    begin

        gameType:= gtLocal;

        arguments[0]:= '';

        arguments[1]:= '--internal';

        arguments[2]:= '--nomusic';

        argumentsNumber:= 3;

        queueExecution;

    end;

end;

procedure engineMessageCallback(p: pointer; msg: PChar; len: Longword);

begin

    if len = 128 * 256 then guiCallbackFunction(guiCallbackPointer, mtPreview, msg, len)

end;

procedure registerGUIMessagesCallback(p: pointer; f: TGUICallback); cdecl;

begin

    guiCallbackPointer:= p;

    guiCallbackFunction:= f;

    registerIPCCallback(nil, @engineMessageCallback)

end;

procedure tryAddTeam(teamName: PChar); cdecl;

var msg: ansistring;

    i, hn, hedgehogsNumber: Longword;

    team: PTeam;

    c: Longword;

begin

    with currentConfig do

    begin

        hedgehogsNumber:= 0;

        i:= 0;

        while (i < 8) and (teams[i].hogsNumber > 0) do

        begin

            inc(i);

            inc(hedgehogsNumber, teams[i].hogsNumber)

        end;

        // no free space for a team or reached hogs number maximum

        if (i > 7) or (hedgehogsNumber >= 48) then exit;

        team:= teamByName(teamName);

        if team = nil then exit;

        c:= getUnusedColor;

        teams[i]:= team^;

        if i = 0 then hn:= 4 else hn:= teams[i - 1].hogsNumber;

        if hn > 48 - hedgehogsNumber then hn:= 48 - hedgehogsNumber;

        teams[i].hogsNumber:= hn;

        teams[i].color:= c;

        msg:= '0' + #10 + teamName;

        guiCallbackFunction(guiCallbackPointer, mtAddPlayingTeam, @msg[1], length(msg));

        msg:= teamName + #10 + colorsSet[teams[i].color];

        guiCallbackFunction(guiCallbackPointer, mtTeamColor, @msg[1], length(msg));

        msg:= teamName;

        guiCallbackFunction(guiCallbackPointer, mtRemoveTeam, @msg[1], length(msg))

    end

end;

procedure tryRemoveTeam(teamName: PChar); cdecl;

var msg: ansistring;

    i: Longword;

    tn: shortstring;

begin

    with currentConfig do

    begin

        i:= 0;

        tn:= teamName;

        while (i < 8) and (teams[i].teamName <> tn) do

            inc(i);

        // team not found???

        if (i > 7) then exit;

        while (i < 7) and (teams[i + 1].hogsNumber > 0) do

        begin

            teams[i]:= teams[i + 1];

            inc(i)

        end;

        teams[i].hogsNumber:= 0

    end;

    msg:= teamName;

    guiCallbackFunction(guiCallbackPointer, mtRemovePlayingTeam, @msg[1], length(msg));

    guiCallbackFunction(guiCallbackPointer, mtAddTeam, @msg[1], length(msg))

end;

procedure changeTeamColor(teamName: PChar; dir: LongInt); cdecl;

var i, dc: Longword;

    tn: shortstring;

    msg: ansistring;

begin

    with currentConfig do

    begin

        i:= 0;

        tn:= teamName;

        while (i < 8) and (teams[i].teamName <> tn) do

            inc(i);

        // team not found???

        if (i > 7) then exit;

        if dir >= 0 then dc:= 1 else dc:= 8;

        teams[i].color:= (teams[i].color + dc) mod 9;

        msg:= tn + #10 + colorsSet[teams[i].color];

        guiCallbackFunction(guiCallbackPointer, mtTeamColor, @msg[1], length(msg))

    end

end;

procedure setTheme(themeName: PChar); cdecl;

begin

    currentConfig.theme:= themeName

end;

procedure setScript(scriptName: PChar); cdecl;

begin

    if scriptName <> 'Normal' then

        currentConfig.script:= '/Scripts/Multiplayer/' + scriptName + '.lua'

    else

        currentConfig.script:= ''

end;

procedure setScheme(schemeName: PChar); cdecl;

var scheme: PScheme;

begin

    scheme:= schemeByName(schemeName);

    if scheme <> nil then

        currentConfig.scheme:= scheme^

end;

procedure setAmmo(ammoName: PChar); cdecl;

var ammo: PAmmo;

begin

    ammo:= ammoByName(ammoName);

    if ammo <> nil then

        currentConfig.ammo:= ammo^

end;

end.