From 28f8d3e9b5794e188ccff1cc68c62be9001985b7 Mon Sep 17 00:00:00 2001
From: James Haley
Date: Mon, 1 Feb 2010 18:15:40 +0000
Subject: Populated src/strife with copy of source files from src/doom - TODOs:
 needs own Makefile.am, and eventual removal of modules not used by Strife /
 addition of modules not sharable with Doom.

Subversion-branch: /branches/strife-branch
Subversion-revision: 1838
---
 src/strife/deh_cheat.c | 155 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 src/strife/deh_cheat.c

(limited to 'src/strife/deh_cheat.c')

diff --git a/src/strife/deh_cheat.c b/src/strife/deh_cheat.c
new file mode 100644
index 00000000..8817c56e
--- /dev/null
+++ b/src/strife/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,
+};
+
-- 
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