mirror of
https://github.com/ZDoom/Raze.git
synced 2024-12-11 21:31:37 +00:00
3e5e956b72
The remaining excpetions are the "give" CCMD and any level change action. Unfortunately the implementation of most cheats is not multiplayer safe so right now it'd only be useful for demo recording (assuming that worked to begin with... ;))
171 lines
4.4 KiB
C++
171 lines
4.4 KiB
C++
/*
|
|
** cheathandler.cpp
|
|
** Generic Cheat code.
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
// Copyright 1999-2016 Randy Heit
|
|
// Copyright 2002-2020 Christoph Oelckers
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions
|
|
** are met:
|
|
**
|
|
** 1. Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
** 3. The name of the author may not be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OFf
|
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**---------------------------------------------------------------------------
|
|
**
|
|
*/
|
|
|
|
#include "c_cvars.h"
|
|
#include "c_dispatch.h"
|
|
#include "d_event.h"
|
|
#include "cheathandler.h"
|
|
#include "printf.h"
|
|
#include "gamestruct.h"
|
|
#include "utf8.h"
|
|
#include "d_protocol.h"
|
|
#include "d_net.h"
|
|
|
|
static cheatseq_t *cheatlist;
|
|
static int numcheats;
|
|
|
|
void SetCheats(cheatseq_t *cht, int count)
|
|
{
|
|
cheatlist = cht;
|
|
numcheats = count;
|
|
}
|
|
|
|
CVAR(Bool, nocheats, false, CVAR_ARCHIVE)
|
|
|
|
//--------------------------------------------------------------------------
|
|
//
|
|
// FUNC CheatAddkey
|
|
//
|
|
// Returns true if the added key completed the cheat, false otherwise.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
static bool CheatAddKey (cheatseq_t *cheat, uint8_t key, bool *eat)
|
|
{
|
|
if (cheat->Pos == NULL)
|
|
{
|
|
cheat->Pos = cheat->Sequence;
|
|
cheat->CurrentArg = 0;
|
|
}
|
|
if (*cheat->Pos == '#' && key >= '0' && key <= '9')
|
|
{
|
|
*eat = true;
|
|
cheat->Args[cheat->CurrentArg++] = key;
|
|
cheat->Pos++;
|
|
}
|
|
else if (upperforlower[key] == upperforlower[*cheat->Pos])
|
|
{
|
|
cheat->Pos++;
|
|
}
|
|
else
|
|
{
|
|
cheat->Pos = cheat->Sequence;
|
|
cheat->CurrentArg = 0;
|
|
}
|
|
if (*cheat->Pos == 0)
|
|
{
|
|
cheat->Pos = cheat->Sequence;
|
|
cheat->CurrentArg = 0;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------
|
|
//
|
|
// Respond to keyboard input events, intercept cheats.
|
|
// [RH] Cheats eat the last keypress used to trigger them
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
bool Cheat_Responder (event_t *ev)
|
|
{
|
|
bool eat = false;
|
|
|
|
if (nocheats)
|
|
{
|
|
return false;
|
|
}
|
|
if (ev->type == EV_KeyDown)
|
|
{
|
|
int i;
|
|
|
|
auto cheats = cheatlist;
|
|
for (i = 0; i < numcheats; i++, cheats++)
|
|
{
|
|
if (CheatAddKey (cheats, (uint8_t)ev->data2, &eat))
|
|
{
|
|
if (cheats->DontCheck || !CheckCheatmode ())
|
|
{
|
|
if (cheats->Handler)
|
|
eat |= cheats->Handler (cheats);
|
|
else if (cheats->ccmd)
|
|
{
|
|
eat = true;
|
|
C_DoCommand(cheats->ccmd);
|
|
}
|
|
}
|
|
}
|
|
else if (cheats->Pos - cheats->Sequence > 2)
|
|
{ // If more than two characters into the sequence,
|
|
// eat the keypress.
|
|
eat = true;
|
|
}
|
|
}
|
|
}
|
|
return eat;
|
|
}
|
|
|
|
bool SendGenericCheat(cheatseq_t* cheat)
|
|
{
|
|
Net_WriteByte(DEM_GENERICCHEAT);
|
|
Net_WriteByte(cheat->Param);
|
|
return true;
|
|
}
|
|
|
|
void PlaybackCheat(const char *p)
|
|
{
|
|
if (!CheckCheatmode(true))
|
|
{
|
|
event_t ev = { EV_KeyDown, 0, 0, -1 };
|
|
Cheat_Responder(&ev); // Reset the parser by passing a non-existent key.
|
|
for (; *p; p++)
|
|
{
|
|
// just play the cheat command through the event parser
|
|
ev.data2 = *p;
|
|
Cheat_Responder(&ev);
|
|
}
|
|
ev.data2 = -1;
|
|
Cheat_Responder(&ev);
|
|
}
|
|
}
|
|
|
|
CCMD(activatecheat)
|
|
{
|
|
if (argv.argc() < 2)
|
|
Printf("activatecheat <string>: activates a classic cheat code\n");
|
|
else
|
|
PlaybackCheat(argv[1]);
|
|
}
|