Initial code for HHE patch support.

Subversion-branch: /branches/raven-branch
Subversion-revision: 1858

1 files changed, 130 insertions, 0 deletions

diff --git a/src/heretic/deh_weapon.c b/src/heretic/deh_weapon.c
new file mode 100644
index 00000000..1daae766
--- /dev/null
+++ b/src/heretic/deh_weapon.c
@@ -0,0 +1,130 @@
+// 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 "Weapon" sections in dehacked files
+//
+//-----------------------------------------------------------------------------
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "doomtype.h"
+
+#include "doomdef.h"
+
+#include "deh_defs.h"
+#include "deh_main.h"
+#include "deh_mapping.h"
+#include "deh_htic.h"
+
+DEH_BEGIN_MAPPING(weapon_mapping, weaponinfo_t)
+  DEH_MAPPING("Ammo type",        ammo)
+  DEH_MAPPING("Deselect frame",   upstate)
+  DEH_MAPPING("Select frame",     downstate)
+  DEH_MAPPING("Bobbing frame",    readystate)
+  DEH_MAPPING("Shooting frame",   atkstate)
+  DEH_MAPPING("Firing frame",     holdatkstate)
+  DEH_MAPPING("Unknown frame",    flashstate)
+DEH_END_MAPPING
+
+static void *DEH_WeaponStart(deh_context_t *context, char *line)
+{
+    int weapon_number = 0;
+
+    if (sscanf(line, "Weapon %i", &weapon_number) != 1)
+    {
+        DEH_Warning(context, "Parse error on section start");
+        return NULL;
+    }
+
+    if (weapon_number < 0 || weapon_number >= NUMWEAPONS * 2)
+    {
+        DEH_Warning(context, "Invalid weapon number: %i", weapon_number);
+        return NULL;
+    }
+
+    // Because of the tome of power, we have two levels of weapons:
+
+    if (weapon_number < NUMWEAPONS)
+    {
+        return &wpnlev1info[weapon_number];
+    }
+    else
+    {
+        return &wpnlev2info[weapon_number - NUMWEAPONS];
+    }
+}
+
+static void DEH_WeaponParseLine(deh_context_t *context, char *line, void *tag)
+{
+    char *variable_name, *value;
+    weaponinfo_t *weapon;
+    int ivalue;
+
+    if (tag == NULL)
+        return;
+
+    weapon = (weaponinfo_t *) tag;
+
+    if (!DEH_ParseAssignment(line, &variable_name, &value))
+    {
+        // Failed to parse
+
+        DEH_Warning(context, "Failed to parse assignment");
+        return;
+    }
+
+    ivalue = atoi(value);
+
+    // If this is a frame field, we need to map from Heretic 1.0 frame
+    // numbers to Heretic 1.3 frame numbers.
+
+    if (strstr(variable_name, "frame") != NULL)
+    {
+        ivalue = DEH_MapHereticFrameNumber(ivalue);
+    }
+
+    DEH_SetMapping(context, &weapon_mapping, weapon, variable_name, ivalue);
+}
+
+static void DEH_WeaponMD5Sum(md5_context_t *context)
+{
+    int i;
+
+    for (i=0; i<NUMWEAPONS ;++i)
+    {
+        DEH_StructMD5Sum(context, &weapon_mapping, &wpnlev1info[i]);
+        DEH_StructMD5Sum(context, &weapon_mapping, &wpnlev2info[i]);
+    }
+}
+
+deh_section_t deh_section_weapon =
+{
+    "Weapon",
+    NULL,
+    DEH_WeaponStart,
+    DEH_WeaponParseLine,
+    NULL,
+    DEH_WeaponMD5Sum,
+};
+