diff options
Diffstat (limited to 'src/doom/deh_cheat.c')
| -rw-r--r-- | src/doom/deh_cheat.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/doom/deh_cheat.c b/src/doom/deh_cheat.c new file mode 100644 index 00000000..8817c56e --- /dev/null +++ b/src/doom/deh_cheat.c @@ -0,0 +1,155 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// Copyright(C) 2005 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. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +// 02111-1307, USA. +// +//----------------------------------------------------------------------------- +// +// 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, +}; + |