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//
// Copyright(C) 2005-2014 Simon Howard
//
// 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; either version 2
// of the License, or (at your option) any later version.
//
// 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.
//
//
// Parses "Cheat" sections in dehacked files
//
#include <stdlib.h>
#include <string.h>
#include "doomtype.h"
#include "deh_defs.h"
#include "deh_io.h"
#include "deh_main.h"
#include "am_map.h"
#include "st_stuff.h"
typedef struct
{
char *name;
cheatseq_t *seq;
} deh_cheat_t;
static deh_cheat_t allcheats[] =
{
{"Change music", &cheat_mus },
{"Chainsaw", &cheat_choppers },
{"God mode", &cheat_god },
{"Ammo & Keys", &cheat_ammo },
{"Ammo", &cheat_ammonokey },
{"No Clipping 1", &cheat_noclip },
{"No Clipping 2", &cheat_commercial_noclip },
{"Invincibility", &cheat_powerup[0] },
{"Berserk", &cheat_powerup[1] },
{"Invisibility", &cheat_powerup[2] },
{"Radiation Suit", &cheat_powerup[3] },
{"Auto-map", &cheat_powerup[4] },
{"Lite-Amp Goggles", &cheat_powerup[5] },
{"BEHOLD menu", &cheat_powerup[6] },
{"Level Warp", &cheat_clev },
{"Player Position", &cheat_mypos },
{"Map cheat", &cheat_amap },
};
static deh_cheat_t *FindCheatByName(char *name)
{
size_t i;
for (i=0; i<arrlen(allcheats); ++i)
{
if (!strcasecmp(allcheats[i].name, name))
return &allcheats[i];
}
return NULL;
}
static void *DEH_CheatStart(deh_context_t *context, char *line)
{
return NULL;
}
static void DEH_CheatParseLine(deh_context_t *context, char *line, void *tag)
{
deh_cheat_t *cheat;
char *variable_name;
char *value;
unsigned char *unsvalue;
unsigned int i;
if (!DEH_ParseAssignment(line, &variable_name, &value))
{
// Failed to parse
DEH_Warning(context, "Failed to parse assignment");
return;
}
unsvalue = (unsigned char *) value;
cheat = FindCheatByName(variable_name);
if (cheat == NULL)
{
DEH_Warning(context, "Unknown cheat '%s'", variable_name);
return;
}
// write the value into the cheat sequence
i = 0;
while (unsvalue[i] != 0 && unsvalue[i] != 0xff)
{
// If the cheat length exceeds the Vanilla limit, stop. This
// does not apply if we have the limit turned off.
if (!deh_allow_long_cheats && i >= cheat->seq->sequence_len)
{
DEH_Warning(context, "Cheat sequence longer than supported by "
"Vanilla dehacked");
break;
}
if (deh_apply_cheats)
{
cheat->seq->sequence[i] = unsvalue[i];
}
++i;
// Absolute limit - don't exceed
if (i >= MAX_CHEAT_LEN - cheat->seq->parameter_chars)
{
DEH_Error(context, "Cheat sequence too long!");
return;
}
}
if (deh_apply_cheats)
{
cheat->seq->sequence[i] = '\0';
}
}
deh_section_t deh_section_cheat =
{
"Cheat",
NULL,
DEH_CheatStart,
DEH_CheatParseLine,
NULL,
NULL,
};
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