kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
90 wiersze
2.1 KiB
C
90 wiersze
2.1 KiB
C
//
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// Copyright(C) 1993-1996 Id Software, Inc.
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// Copyright(C) 2005-2014 Simon Howard
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (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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// DESCRIPTION:
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// Cheat sequence checking.
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//
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#include <string.h>
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#include "doomtype.h"
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#include "m_cheat.h"
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//
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// CHEAT SEQUENCE PACKAGE
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//
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//
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// Called in st_stuff module, which handles the input.
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// Returns a 1 if the cheat was successful, 0 if failed.
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//
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int
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cht_CheckCheat
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( cheatseq_t* cht,
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char key )
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{
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// if we make a short sequence on a cheat with parameters, this
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// will not work in vanilla doom. behave the same.
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if (cht->parameter_chars > 0 && strlen(cht->sequence) < cht->sequence_len)
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return false;
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if (cht->chars_read < strlen(cht->sequence))
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{
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// still reading characters from the cheat code
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// and verifying. reset back to the beginning
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// if a key is wrong
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if (key == cht->sequence[cht->chars_read])
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++cht->chars_read;
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else
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cht->chars_read = 0;
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cht->param_chars_read = 0;
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}
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else if (cht->param_chars_read < cht->parameter_chars)
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{
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// we have passed the end of the cheat sequence and are
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// entering parameters now
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cht->parameter_buf[cht->param_chars_read] = key;
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++cht->param_chars_read;
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}
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if (cht->chars_read >= strlen(cht->sequence)
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&& cht->param_chars_read >= cht->parameter_chars)
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{
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cht->chars_read = cht->param_chars_read = 0;
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return true;
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}
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// cheat not matched yet
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return false;
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}
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void
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cht_GetParam
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( cheatseq_t* cht,
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char* buffer )
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{
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memcpy(buffer, cht->parameter_buf, cht->parameter_chars);
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}
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