(* * Hedgewars, a worms-like game * Copyright (c) 2006, 2007 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 uAmmos;interfaceuses uConsts, uTeams;{$INCLUDE options.inc}procedure AddAmmoStore(s: shortstring);procedure AssignStores;procedure AddAmmo(var Hedgehog: THedgehog; ammo: TAmmoType);function HHHasAmmo(var Hedgehog: THedgehog; Ammo: TAmmoType): boolean;procedure PackAmmo(Ammo: PHHAmmo; Slot: LongInt);procedure OnUsedAmmo(var Hedgehog: THedgehog);procedure ApplyAmmoChanges(var Hedgehog: THedgehog);procedure SwitchNotHoldedAmmo(var Hedgehog: THedgehog);implementationuses uMisc, uGears, uWorld, uLocale;type TAmmoCounts = array[TAmmoType] of Longword;var StoresList: array[0..Pred(cMaxHHs)] of PHHAmmo; StoreCnt: Longword = 0;procedure FillAmmoStore(Ammo: PHHAmmo; var cnts: TAmmoCounts);var mi: array[0..cMaxSlotIndex] of byte; a: TAmmoType;beginFillChar(mi, sizeof(mi), 0);FillChar(Ammo^, sizeof(Ammo^), 0);for a:= Low(TAmmoType) to High(TAmmoType) do if cnts[a] > 0 then begin TryDo(mi[Ammoz[a].Slot] <= cMaxSlotAmmoIndex, 'Ammo slot overflow', true); Ammo^[Ammoz[a].Slot, mi[Ammoz[a].Slot]]:= Ammoz[a].Ammo; Ammo^[Ammoz[a].Slot, mi[Ammoz[a].Slot]].Count:= cnts[a]; inc(mi[Ammoz[a].Slot]) endend;procedure AddAmmoStore(s: shortstring);var cnt: Longword; a: TAmmoType; ammos: TAmmoCounts;beginTryDo(byte(s[0]) = byte(ord(High(TAmmoType)) + 1), 'Invalid ammo scheme (incompatible frontend)', true);inc(StoreCnt);TryDo(StoreCnt <= cMaxHHs, 'Ammo stores overflow', true);new(StoresList[Pred(StoreCnt)]);for a:= Low(TAmmoType) to High(TAmmoType) do begin cnt:= byte(s[ord(a) + 1]) - byte('0'); if cnt = 9 then cnt:= AMMO_INFINITE; ammos[a]:= cnt end;FillAmmoStore(StoresList[Pred(StoreCnt)], ammos)end;function GetAmmoByNum(num: Longword): PHHAmmo;beginTryDo(num < StoreCnt, 'Invalid store number', true);exit(StoresList[num])end;procedure AssignStores;var t: LongInt; i: Longword;beginfor t:= 0 to Pred(TeamsCount) do with TeamsArray[t]^ do begin for i:= 0 to cMaxHHIndex do if Hedgehogs[i].Gear <> nil then Hedgehogs[i].Ammo:= GetAmmoByNum(Hedgehogs[i].AmmoStore); endend;procedure AddAmmo(var Hedgehog: THedgehog; ammo: TAmmoType);var ammos: TAmmoCounts; slot, ami: LongInt; hhammo: PHHAmmo;beginFillChar(ammos, sizeof(ammos), 0);hhammo:= Hedgehog.Ammo;for slot:= 0 to cMaxSlotIndex do for ami:= 0 to cMaxSlotAmmoIndex do if hhammo^[slot, ami].Count > 0 then ammos[hhammo^[slot, ami].AmmoType]:= hhammo^[slot, ami].Count;if ammos[ammo] <> AMMO_INFINITE then inc(ammos[ammo], Ammoz[ammo].NumberInCase);FillAmmoStore(hhammo, ammos)end;procedure PackAmmo(Ammo: PHHAmmo; Slot: LongInt);var ami: LongInt; b: boolean;begin repeat b:= false; ami:= 0; while (not b) and (ami < cMaxSlotAmmoIndex) do if (Ammo^[Slot, ami].Count = 0) and (Ammo^[Slot, ami + 1].Count > 0) then b:= true else inc(ami); if b then // there's a free item in ammo stack begin Ammo^[Slot, ami]:= Ammo^[Slot, ami + 1]; Ammo^[Slot, ami + 1].Count:= 0 end; until not b;end;procedure OnUsedAmmo(var Hedgehog: THedgehog);var s, a: Longword;beginwith Hedgehog do begin if CurAmmoGear = nil then begin s:= CurSlot; a:= CurAmmo end else begin s:= AltSlot; a:= AltAmmo end; with Ammo^[s, a] do if Count <> AMMO_INFINITE then begin dec(Count); if Count = 0 then PackAmmo(Ammo, CurSlot) end endend;function HHHasAmmo(var Hedgehog: THedgehog; Ammo: TAmmoType): boolean;var slot, ami: LongInt;beginSlot:= Ammoz[Ammo].Slot;ami:= 0;while (ami <= cMaxSlotAmmoIndex) do begin with Hedgehog.Ammo^[Slot, ami] do if (AmmoType = Ammo) and (Count > 0) then exit(true); inc(ami) end;HHHasAmmo:= falseend;procedure ApplyAmmoChanges(var Hedgehog: THedgehog);var s: shortstring;beginTargetPoint.X:= NoPointX;with Hedgehog do begin if (Ammo^[CurSlot, CurAmmo].Count = 0)then begin CurAmmo:= 0; CurSlot:= 0; while (CurSlot <= cMaxSlotIndex) and (Ammo^[CurSlot, CurAmmo].Count = 0) do inc(CurSlot) end;with Ammo^[CurSlot, CurAmmo] do begin CurMinAngle:= Ammoz[AmmoType].minAngle; if Ammoz[AmmoType].maxAngle <> 0 then CurMaxAngle:= Ammoz[AmmoType].maxAngle else CurMaxAngle:= cMaxAngle; with Hedgehog.Gear^ do begin if Angle < CurMinAngle then Angle:= CurMinAngle; if Angle > CurMaxAngle then Angle:= CurMaxAngle; end; s:= trammo[Ammoz[AmmoType].NameId]; if Count <> AMMO_INFINITE then s:= s + ' (' + IntToStr(Count) + ')'; if (Propz and ammoprop_Timerable) <> 0 then s:= s + ', ' + inttostr(Timer div 1000) + ' ' + trammo[sidSeconds]; AddCaption(s, Team^.Clan^.Color, capgrpAmmoinfo); if (Propz and ammoprop_NeedTarget) <> 0 then begin Gear^.State:= Gear^.State or gstHHChooseTarget; isCursorVisible:= true end else begin Gear^.State:= Gear^.State and not gstHHChooseTarget; isCursorVisible:= false end; ShowCrosshair:= (Propz and ammoprop_NoCrosshair) = 0 end endend;procedure SwitchNotHoldedAmmo(var Hedgehog: THedgehog);beginwith Hedgehog do if (Ammo^[CurSlot, CurAmmo].Propz and ammoprop_DontHold) <> 0 then begin CurAmmo:= 0; CurSlot:= 0; while (CurSlot <= cMaxSlotIndex) and (Ammo^[CurSlot, CurAmmo].Count = 0) do inc(CurSlot) endend;end.