mirror of
https://github.com/DrBeef/Raze.git
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147 lines
3.4 KiB
C++
147 lines
3.4 KiB
C++
//-----------------------------------------------------------------------------
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//
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// Copyright 1993-1996 id Software
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// Copyright 1994-1996 Raven Software
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// Copyright 1999-2016 Randy Heit
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// Copyright 2002-2020 Christoph Oelckers
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see http://www.gnu.org/licenses/
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//
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//-----------------------------------------------------------------------------
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//
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// DESCRIPTION:
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// Cheat code. See *_sbar.cpp for status bars.
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//
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//-----------------------------------------------------------------------------
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#include "gstrings.h"
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#include "c_cvars.h"
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#include "c_dispatch.h"
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#include "d_event.h"
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#include "baselayer.h"
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#include "gamecontrol.h"
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struct cheatseq_t
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{
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const uint8_t *Sequence;
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const uint8_t *Pos;
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uint8_t CurrentArg;
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uint8_t Args[5];
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};
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static TArray<cheatseq_t> cheats;
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static bool CheatCheckList (event_t *ev);
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static bool CheatAddKey (cheatseq_t *cheat, uint8_t key, bool *eat);
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CVAR(Bool, allcheats, false, CVAR_ARCHIVE)
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CVAR(Bool, nocheats, false, CVAR_ARCHIVE)
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// Respond to keyboard input events, intercept cheats.
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// [RH] Cheats eat the last keypress used to trigger them
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bool Cheat_Responder (event_t *ev)
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{
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bool eat = false;
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if (cheats.Size() == 0)
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{
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#if 0
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auto gcheats = gi->GetCheats();
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if (gcheats)
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{
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for (int i = 0; gcheats[i]; i++)
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{
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cheatseq_t cht = { (const uint8_t*)gcheats[i], nullptr };
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cheats.Push(cht);
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}
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}
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#endif
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}
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if (nocheats)
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{
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return false;
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}
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else
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{
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return CheatCheckList(ev);
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}
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return false;
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}
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static bool CheatCheckList (event_t *ev)
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{
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bool eat = false;
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if (ev->type == EV_KeyDown)
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{
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for (auto &cht :cheats)
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{
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if (CheatAddKey (&cht, (uint8_t)ev->data2, &eat))
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{
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int processed = gi->CheckCheat((const char*)cht.Sequence, (const char*)cht.Args);
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if (processed = 1) cht.Pos = nullptr;
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eat |= processed != 0;
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}
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else if (cht.Pos - cht.Sequence > 2)
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{ // If more than two characters into the sequence,
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// eat the keypress, to reduce interference with game controls.
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eat = true;
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}
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}
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}
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return eat;
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}
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//--------------------------------------------------------------------------
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//
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// FUNC CheatAddkey
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//
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// Returns true if the added key completed the cheat, false otherwise.
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//
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//--------------------------------------------------------------------------
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static bool CheatAddKey (cheatseq_t *cheat, uint8_t key, bool *eat)
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{
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if (cheat->Pos == NULL)
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{
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cheat->Pos = cheat->Sequence;
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cheat->CurrentArg = 0;
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cheat->Args[0] = 0;
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}
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if (*cheat->Pos == '#' && key >= '0' && key <= '9')
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{
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*eat = true;
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cheat->Args[cheat->CurrentArg++] = key;
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cheat->Args[cheat->CurrentArg] = 0;
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cheat->Pos++;
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return true;
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}
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else if (key == *cheat->Pos)
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{
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cheat->Pos++;
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}
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else
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{
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cheat->Pos = cheat->Sequence;
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}
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if (*cheat->Pos == 0)
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{
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cheat->Pos = cheat->Sequence;
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return true;
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}
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return false;
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}
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