(*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2008 Andrey Korotaev <unC0Rr@gmail.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; version 2 of the License

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 *)

unit uTeams;

interface

uses SDLh, uConsts, uKeys, uGears, uRandom, uFloat, uStats, 

{$IFDEF IPHONE}

	gles11,

{$ELSE}

	GL,

{$ENDIF}

	uSound;

{$INCLUDE options.inc}

type PHHAmmo = ^THHAmmo;

	THHAmmo = array[0..cMaxSlotIndex, 0..cMaxSlotAmmoIndex] of TAmmo;

	PHedgehog = ^THedgehog;

	PTeam     = ^TTeam;

	PClan     = ^TClan;

	THedgehog = record

			Name: string[MAXNAMELEN];

			Gear: PGear;

			NameTagTex,

			HealthTagTex,

			HatTex: PTexture;

			Ammo: PHHAmmo;

			AmmoStore: Longword;

			CurSlot, CurAmmo: LongWord;

			Team: PTeam;

			AttacksNum: Longword;

			visStepPos: LongWord;

			BotLevel  : LongWord; // 0 - Human player

			HatVisibility: GLfloat;

			stats: TStatistics;

			Hat: String;

			end;

	TTeam = record

			Clan: PClan;

			TeamName: string[MAXNAMELEN];

			ExtDriven: boolean;

			Binds: TBinds;

			Hedgehogs: array[0..cMaxHHIndex] of THedgehog;

			CurrHedgehog: LongWord;

			NameTagTex: PTexture;

			CrosshairTex,

			GraveTex,

			HealthTex: PTexture;

			GraveName: string;

			FortName: string;

			TeamHealth: LongInt;

			TeamHealthBarWidth,

			NewTeamHealthBarWidth: LongInt;

			DrawHealthY: LongInt;

			AttackBar: LongWord;

			HedgehogsNumber: Longword;

			hasGone: boolean;

			voicepack: PVoicepack;

			end;

	TClan = record

			Color: Longword;

			Teams: array[0..Pred(cMaxTeams)] of PTeam;

			TeamsNumber: Longword;

			CurrTeam: LongWord;

			ClanHealth: LongInt;

			ClanIndex: LongInt;

			TurnNumber: LongWord;

			end;

var CurrentTeam: PTeam = nil;

	PreviousTeam: PTeam = nil;

	CurrentHedgehog: PHedgehog = nil;

	TeamsArray: array[0..Pred(cMaxTeams)] of PTeam;

	TeamsCount: Longword = 0;

	ClansArray: array[0..Pred(cMaxTeams)] of PClan;

	ClansCount: Longword = 0;

	CurMinAngle, CurMaxAngle: Longword;

function  AddTeam(TeamColor: Longword): PTeam;

procedure SwitchHedgehog;

procedure AfterSwitchHedgehog;

procedure InitTeams;

function  TeamSize(p: PTeam): Longword;

procedure RecountTeamHealth(team: PTeam);

procedure RestoreTeamsFromSave;

function  CheckForWin: boolean;

procedure TeamGone(s: shortstring);

implementation

const MaxTeamHealth: LongInt = 0;

procedure FreeTeamsList; forward;

function CheckForWin: boolean;

var AliveClan: PClan;

    s: shortstring;

    t, AliveCount, i, j: LongInt;

begin

AliveCount:= 0;

for t:= 0 to Pred(ClansCount) do

	if ClansArray[t]^.ClanHealth > 0 then

		begin

		inc(AliveCount);

		AliveClan:= ClansArray[t]

		end;

if (AliveCount > 1)

or ((AliveCount = 1) and ((GameFlags and gfOneClanMode) <> 0)) then exit(false);

CheckForWin:= true;

TurnTimeLeft:= 0;

if AliveCount = 0 then

	begin // draw

	AddCaption(trmsg[sidDraw], $FFFFFF, capgrpGameState);

	SendStat(siGameResult, trmsg[sidDraw]);

	AddGear(0, 0, gtATFinishGame, 0, _0, _0, 3000)

	end else // win

	with AliveClan^ do

		begin

		if TeamsNumber = 1 then

			s:= Format(trmsg[sidWinner], Teams[0]^.TeamName)  // team wins

		else

			s:= Format(trmsg[sidWinner], Teams[0]^.TeamName); // clan wins

		for j:= 0 to Pred(TeamsNumber) do

			with Teams[j]^ do

				for i:= 0 to cMaxHHIndex do

					with Hedgehogs[i] do

						if (Gear <> nil) then

							Gear^.State:= gstWinner;

		AddCaption(s, $FFFFFF, capgrpGameState);

		SendStat(siGameResult, s);

		AddGear(0, 0, gtATFinishGame, 0, _0, _0, 3000)

		end;

SendStats

end;

procedure SwitchHedgehog;

var c: LongWord;

    PrevHH, PrevTeam: LongWord;

begin

FreeActionsList;

TargetPoint.X:= NoPointX;

TryDo(CurrentTeam <> nil, 'nil Team', true);

PreviousTeam:= CurrentTeam;

with CurrentHedgehog^ do

	if Gear <> nil then

		begin

		AttacksNum:= 0;

		Gear^.Message:= 0;

		Gear^.Z:= cHHZ;

		RemoveGearFromList(Gear);

		InsertGearToList(Gear)

		end;

c:= CurrentTeam^.Clan^.ClanIndex;

repeat

	inc(c);

	if c = ClansCount then

		begin

		inc(TotalRounds);

		c:= 0

		end;

	with ClansArray[c]^ do

		begin

		PrevTeam:= CurrTeam;

		repeat

			CurrTeam:= Succ(CurrTeam) mod TeamsNumber;

			CurrentTeam:= Teams[CurrTeam];

			with CurrentTeam^ do

				begin

				PrevHH:= CurrHedgehog mod HedgehogsNumber; // prevent infinite loop when CurrHedgehog = 7, but HedgehogsNumber < 8 (team is destroyed before its first turn

				repeat

					CurrHedgehog:= Succ(CurrHedgehog) mod HedgehogsNumber;

				until (Hedgehogs[CurrHedgehog].Gear <> nil) or (CurrHedgehog = PrevHH)

				end

		until ((CurrentTeam^.Hedgehogs[CurrentTeam^.CurrHedgehog].Gear <> nil) and (not CurrentTeam^.hasGone)) or (PrevTeam = CurrTeam);

		end

until (CurrentTeam^.Hedgehogs[CurrentTeam^.CurrHedgehog].Gear <> nil) and (not CurrentTeam^.hasGone);

CurrentHedgehog:= @(CurrentTeam^.Hedgehogs[CurrentTeam^.CurrHedgehog])

end;

procedure AfterSwitchHedgehog;

var g: PGear;

begin

SwitchNotHeldAmmo(CurrentHedgehog^);

with CurrentHedgehog^ do

	begin

	with Gear^ do

		begin

		Z:= cCurrHHZ;

		State:= gstHHDriven;

		Active:= true

		end;

	RemoveGearFromList(Gear);

	InsertGearToList(Gear);

	FollowGear:= Gear

	end;

inc(CurrentTeam^.Clan^.TurnNumber);

ResetKbd;

cWindSpeed:= rndSign(GetRandom * cMaxWindSpeed);

g:= AddGear(0, 0, gtATSmoothWindCh, 0, _0, _0, 1);

g^.Tag:= hwRound(cWindSpeed * 72 / cMaxWindSpeed);

{$IFDEF DEBUGFILE}AddFileLog('Wind = '+FloatToStr(cWindSpeed));{$ENDIF}

ApplyAmmoChanges(CurrentHedgehog^);

if not CurrentTeam^.ExtDriven then SetBinds(CurrentTeam^.Binds);

bShowFinger:= true;

if (CurrentTeam^.ExtDriven or (CurrentHedgehog^.BotLevel > 0)) then

	PlaySound(sndIllGetYou, false, CurrentTeam^.voicepack)

else

	PlaySound(sndYesSir, false, CurrentTeam^.voicepack);

TurnTimeLeft:= cHedgehogTurnTime

end;

function AddTeam(TeamColor: Longword): PTeam;

var Result: PTeam;

    c: LongInt;

begin

TryDo(TeamsCount < cMaxTeams, 'Too many teams', true);

New(Result);

TryDo(Result <> nil, 'AddTeam: Result = nil', true);

FillChar(Result^, sizeof(TTeam), 0);

Result^.AttackBar:= 2;

Result^.CurrHedgehog:= cMaxHHIndex;

TeamsArray[TeamsCount]:= Result;

inc(TeamsCount);

c:= Pred(ClansCount);

while (c >= 0) and (ClansArray[c]^.Color <> TeamColor) do dec(c);

if c < 0 then

   begin

   new(Result^.Clan);

   FillChar(Result^.Clan^, sizeof(TClan), 0);

   ClansArray[ClansCount]:= Result^.Clan;

   inc(ClansCount);

   with Result^.Clan^ do

        begin

        ClanIndex:= Pred(ClansCount);

        Color:= TeamColor

        end

   end else

   begin

   Result^.Clan:= ClansArray[c];

   end;

with Result^.Clan^ do

    begin

    Teams[TeamsNumber]:= Result;

    inc(TeamsNumber)

    end;

CurrentTeam:= Result;

AddTeam:= Result

end;

procedure FreeTeamsList;

var t: LongInt;

begin

for t:= 0 to Pred(TeamsCount) do Dispose(TeamsArray[t]);

TeamsCount:= 0

end;

procedure RecountAllTeamsHealth;

var t: LongInt;

begin 

for t:= 0 to Pred(TeamsCount) do

    RecountTeamHealth(TeamsArray[t])

end;

procedure InitTeams;

var i, t: LongInt;

    th: LongInt;

begin

for t:= 0 to Pred(TeamsCount) do

   with TeamsArray[t]^ do

      begin

      th:= 0;

      for i:= 0 to cMaxHHIndex do

          if Hedgehogs[i].Gear <> nil then

             inc(th, Hedgehogs[i].Gear^.Health);

      if th > MaxTeamHealth then MaxTeamHealth:= th;

      end;

RecountAllTeamsHealth

end;

function  TeamSize(p: PTeam): Longword;

var i, Result: Longword;

begin

Result:= 0;

for i:= 0 to cMaxHHIndex do

    if p^.Hedgehogs[i].Gear <> nil then inc(Result);

TeamSize:= Result

end;

procedure RecountClanHealth(clan: PClan);

var i: LongInt;

begin

with clan^ do

    begin

    ClanHealth:= 0;

    for i:= 0 to Pred(TeamsNumber) do

        inc(ClanHealth, Teams[i]^.TeamHealth)

    end

end;

procedure RecountTeamHealth(team: PTeam);

var i: LongInt;

begin

with team^ do

	begin

	NewTeamHealthBarWidth:= 0;

	if not hasGone then

		for i:= 0 to cMaxHHIndex do

			if Hedgehogs[i].Gear <> nil then

				inc(NewTeamHealthBarWidth, Hedgehogs[i].Gear^.Health);

	TeamHealth:= NewTeamHealthBarWidth;

	if NewTeamHealthBarWidth > MaxTeamHealth then

		begin

		MaxTeamHealth:= NewTeamHealthBarWidth;

		RecountAllTeamsHealth;

		end else NewTeamHealthBarWidth:= (NewTeamHealthBarWidth * cTeamHealthWidth) div MaxTeamHealth

	end;

RecountClanHealth(team^.Clan);

end;

procedure RestoreTeamsFromSave;

var t: LongInt;

begin

for t:= 0 to Pred(TeamsCount) do

   TeamsArray[t]^.ExtDriven:= false

end;

procedure TeamGone(s: shortstring);

var i, t: LongInt;

begin

t:= 0;

while (t < cMaxTeams)

	and (TeamsArray[t] <> nil)

	and (TeamsArray[t]^.TeamName <> s) do inc(t);

if (t = cMaxTeams) or (TeamsArray[t] = nil) then exit;

with TeamsArray[t]^ do

	begin

	AddChatString('** '+ TeamName + ' is gone');

	for i:= 0 to cMaxHHIndex do

		with Hedgehogs[i] do

			if Gear <> nil then

				begin

				if Gear^.State and gstAttacking <> 0 then

					AttackBar:= 0;

				Gear^.State:= Gear^.State and not gstHHDriven

				end;

	hasGone:= true

	end;

RecountTeamHealth(TeamsArray[t])

end;

initialization

finalization

FreeTeamsList

end.