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-rw-r--r--src/strife/deh_cheat.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/src/strife/deh_cheat.c b/src/strife/deh_cheat.c
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+++ b/src/strife/deh_cheat.c
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+// 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,
+};
+