summaryrefslogtreecommitdiff
path: root/src/heretic/deh_htic.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/heretic/deh_htic.c')
-rw-r--r--src/heretic/deh_htic.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/src/heretic/deh_htic.c b/src/heretic/deh_htic.c
new file mode 100644
index 00000000..440fde96
--- /dev/null
+++ b/src/heretic/deh_htic.c
@@ -0,0 +1,186 @@
+// 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.
+//
+//-----------------------------------------------------------------------------
+//
+// Top-level dehacked definitions for Heretic dehacked (HHE).
+//
+//-----------------------------------------------------------------------------
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "deh_defs.h"
+#include "deh_main.h"
+#include "deh_htic.h"
+#include "info.h"
+#include "m_argv.h"
+
+char *deh_signatures[] =
+{
+ "Patch File for HHE v1.0",
+ "Patch File for HHE v1.1",
+ NULL
+};
+
+static char *hhe_versions[] =
+{
+ "1.0", "1.2", "1.3"
+};
+
+// Version number for patches.
+
+deh_hhe_version_t deh_hhe_version = deh_hhe_1_0;
+
+// deh_ammo.c:
+extern deh_section_t deh_section_ammo;
+// deh_frame.c:
+extern deh_section_t deh_section_frame;
+// deh_ptr.c:
+extern deh_section_t deh_section_pointer;
+// deh_sound.c
+extern deh_section_t deh_section_sound;
+// deh_htext.c:
+extern deh_section_t deh_section_heretic_text;
+// deh_thing.c:
+extern deh_section_t deh_section_thing;
+// deh_weapon.c:
+extern deh_section_t deh_section_weapon;
+
+//
+// List of section types:
+//
+
+deh_section_t *deh_section_types[] =
+{
+ &deh_section_ammo,
+ &deh_section_frame,
+// &deh_section_pointer, TODO
+ &deh_section_sound,
+ &deh_section_heretic_text,
+ &deh_section_thing,
+ &deh_section_weapon,
+ NULL
+};
+
+static void SetHHEVersionByName(char *name)
+{
+ int i;
+
+ for (i=0; i<arrlen(hhe_versions); ++i)
+ {
+ if (!strcmp(hhe_versions[i], name))
+ {
+ deh_hhe_version = i;
+ return;
+ }
+ }
+
+ fprintf(stderr, "Unknown Heretic version: %s\n", name);
+ fprintf(stderr, "Valid versions:\n");
+
+ for (i=0; i<arrlen(hhe_versions); ++i)
+ {
+ fprintf(stderr, "\t%s\n", hhe_versions[i]);
+ }
+}
+
+// Initialize Heretic(HHE)-specific dehacked bits.
+
+void DEH_HereticInit(void)
+{
+ int i;
+
+ //!
+ // @arg <version>
+ //
+ // Select the Heretic version number that was used to generate the
+ // HHE patch to be loaded. Patches for each of the Vanilla
+ // Heretic versions (1.0, 1.2, 1.3) can be loaded, but the correct
+ // version number must be specified.
+
+ i = M_CheckParm("-hhever");
+
+ if (i > 0)
+ {
+ SetHHEVersionByName(myargv[i + 1]);
+ }
+
+ // For v1.0 patches, we must apply a slight change to the states[]
+ // table. The table was changed between 1.0 and 1.3 to add two extra
+ // frames to the player "burning death" animation.
+ //
+ // If we are using a v1.0 patch, we must change the table to cut
+ // these out again.
+
+ if (deh_hhe_version < deh_hhe_1_2)
+ {
+ states[S_PLAY_FDTH18].nextstate = S_NULL;
+ }
+}
+
+int DEH_MapHereticFrameNumber(int frame)
+{
+ if (deh_hhe_version < deh_hhe_1_2)
+ {
+ // Between Heretic 1.0 and 1.2, two new frames
+ // were added to the "states" table, to extend the "flame death"
+ // animation displayed when the player is killed by fire. Therefore,
+ // we must map Heretic 1.0 frame numbers to corresponding indexes
+ // for our state table.
+
+ if (frame >= S_PLAY_FDTH19)
+ {
+ frame = (frame - S_PLAY_FDTH19) + S_BLOODYSKULL1;
+ }
+ }
+ else
+ {
+ // After Heretic 1.2, three unused frames were removed from the
+ // states table, unused phoenix rod frames. Our state table includes
+ // these missing states for backwards compatibility. We must therefore
+ // adjust frame numbers for v1.2/v1.3 to corresponding indexes for
+ // our state table.
+
+ if (frame >= S_PHOENIXFXIX_1)
+ {
+ frame = (frame - S_PHOENIXFXIX_1) + S_PHOENIXPUFF1;
+ }
+ }
+
+ return frame;
+}
+
+void DEH_SuggestHereticVersion(deh_hhe_version_t version)
+{
+ fprintf(stderr,
+ "\n"
+ "This patch may be for version %s. You are currently running in\n"
+ "Heretic %s mode. For %s mode, this mode, add this to your command line:\n"
+ "\n"
+ "\t-hhever %s\n"
+ "\n",
+ hhe_versions[version],
+ hhe_versions[deh_hhe_version],
+ hhe_versions[version],
+ hhe_versions[version]);
+}
+