mirror of
https://github.com/DrBeef/Raze.git
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140 lines
3.3 KiB
C++
140 lines
3.3 KiB
C++
//-----------------------------------------------------------------------------
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//
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// Copyright 1999-2016 Randy Heit
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// Copyright 2002-2016 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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// Generic Cheat code.
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//
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//-----------------------------------------------------------------------------
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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 "cheathandler.h"
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#include "printf.h"
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#include "gamestruct.h"
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static cheatseq_t *cheatlist;
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static int numcheats;
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void SetCheats(cheatseq_t *cht, int count)
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{
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cheatlist = cht;
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numcheats = count;
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}
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CVAR(Bool, nocheats, false, CVAR_ARCHIVE)
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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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}
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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->Pos++;
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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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cheat->CurrentArg = 0;
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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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cheat->CurrentArg = 0;
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return true;
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}
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return false;
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}
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//--------------------------------------------------------------------------
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//
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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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//
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//--------------------------------------------------------------------------
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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 (nocheats)
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{
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return false;
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}
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if (ev->type == EV_KeyDown)
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{
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int i;
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auto cheats = cheatlist;
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for (i = 0; i < numcheats; i++, cheats++)
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{
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if (CheatAddKey (cheats, (uint8_t)ev->data2, &eat))
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{
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if (cheats->DontCheck || CheckCheatmode ())
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{
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eat |= cheats->Handler (cheats);
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}
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}
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else if (cheats->Pos - cheats->Sequence > 2)
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{ // If more than two characters into the sequence,
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// eat the keypress.
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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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void PlaybackCheat(const char *p)
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{
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if (!gi->CheatAllowed(false))
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{
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event_t ev = { EV_KeyDown, 0, 0, -1 };
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Cheat_Responder(&ev); // Reset the parser by passing a non-existent key.
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for (; *p; p++)
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{
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// just play the cheat command through the event parser
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ev.data2 = *p;
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Cheat_Responder(&ev);
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}
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ev.data2 = -1;
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Cheat_Responder(&ev);
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}
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else
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Printf("activatecheat: Cheats not allowed.\n");
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}
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