ref: 24462dc49742b08e8f868e0b30dc4fa9efe8cf84
parent: 250580dbe710a99d40fb75d3393d31b05f452912
author: Azamat H. Hackimov <azamat.hackimov@gmail.com>
date: Tue Mar 1 16:20:33 EST 2016
Adding allegro4 library bindings Taken from legacy dumb 0.9.3.
--- /dev/null
+++ b/dumb/src/allegro/alplay.c
@@ -1,0 +1,277 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * alplay.c - Functions to play a DUH through / / \ \
+ * an Allegro audio stream. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <stdlib.h>
+
+#include <allegro.h>
+
+#include "aldumb.h"
+
+
+
+#define ADP_PLAYING 1
+
+struct AL_DUH_PLAYER
+{
+ int flags;
+ long bufsize;
+ int freq;
+ AUDIOSTREAM *stream;
+ DUH_SIGRENDERER *sigrenderer; /* If this is NULL, stream is invalid. */
+ float volume;
+ int silentcount;
+};
+
+
+
+AL_DUH_PLAYER *al_start_duh(DUH *duh, int n_channels, long pos, float volume, long bufsize, int freq)
+{
+ AL_DUH_PLAYER *dp;
+
+ /* This restriction is imposed by Allegro. */
+ ASSERT(n_channels > 0);
+ ASSERT(n_channels <= 2);
+
+ if (!duh)
+ return NULL;
+
+ dp = malloc(sizeof(*dp));
+ if (!dp)
+ return NULL;
+
+ dp->flags = ADP_PLAYING;
+ dp->bufsize = bufsize;
+ dp->freq = freq;
+
+ dp->stream = play_audio_stream(bufsize, 16, n_channels - 1, freq, 255, 128);
+
+ if (!dp->stream) {
+ free(dp);
+ return NULL;
+ }
+
+ voice_set_priority(dp->stream->voice, 255);
+
+ dp->sigrenderer = duh_start_sigrenderer(duh, 0, n_channels, pos);
+
+ if (!dp->sigrenderer) {
+ stop_audio_stream(dp->stream);
+ free(dp);
+ return NULL;
+ }
+
+ dp->volume = volume;
+ dp->silentcount = 0;
+
+ return dp;
+}
+
+
+
+void al_stop_duh(AL_DUH_PLAYER *dp)
+{
+ if (dp) {
+ if (dp->sigrenderer) {
+ duh_end_sigrenderer(dp->sigrenderer);
+ stop_audio_stream(dp->stream);
+ }
+ free(dp);
+ }
+}
+
+
+
+void al_pause_duh(AL_DUH_PLAYER *dp)
+{
+ if (dp && dp->sigrenderer && (dp->flags & ADP_PLAYING)) {
+ voice_stop(dp->stream->voice);
+ dp->flags &= ~ADP_PLAYING;
+ }
+}
+
+
+
+void al_resume_duh(AL_DUH_PLAYER *dp)
+{
+ if (dp && dp->sigrenderer && !(dp->flags & ADP_PLAYING)) {
+ voice_start(dp->stream->voice);
+ dp->flags |= ADP_PLAYING;
+ }
+}
+
+
+
+void al_duh_set_priority(AL_DUH_PLAYER *dp, int priority)
+{
+ if (dp && dp->sigrenderer)
+ voice_set_priority(dp->stream->voice, priority);
+}
+
+
+
+void al_duh_set_volume(AL_DUH_PLAYER *dp, float volume)
+{
+ if (dp)
+ dp->volume = volume;
+}
+
+
+
+float al_duh_get_volume(AL_DUH_PLAYER *dp)
+{
+ return dp ? dp->volume : 0;
+}
+
+
+
+int al_poll_duh(AL_DUH_PLAYER *dp)
+{
+ unsigned short *sptr;
+ long n;
+ long size;
+ int n_channels;
+
+ if (!dp || !dp->sigrenderer)
+ return 1;
+
+ if (!(dp->flags & ADP_PLAYING))
+ return 0;
+
+ sptr = get_audio_stream_buffer(dp->stream);
+
+ if (!sptr)
+ return 0;
+
+ n = duh_render(dp->sigrenderer, 16, 1, dp->volume, 65536.0 / dp->freq, dp->bufsize, sptr);
+
+ if (n == 0) {
+ if (++dp->silentcount >= 2) {
+ duh_end_sigrenderer(dp->sigrenderer);
+ free_audio_stream_buffer(dp->stream);
+ stop_audio_stream(dp->stream);
+ dp->sigrenderer = NULL;
+ return 1;
+ }
+ }
+
+ n_channels = duh_sigrenderer_get_n_channels(dp->sigrenderer);
+ n *= n_channels;
+ size = dp->bufsize * n_channels;
+ for (; n < size; n++)
+ sptr[n] = 0x8000;
+
+ free_audio_stream_buffer(dp->stream);
+
+ return 0;
+}
+
+
+
+long al_duh_get_position(AL_DUH_PLAYER *dp)
+{
+ return dp ? duh_sigrenderer_get_position(dp->sigrenderer) : -1;
+}
+
+
+
+AL_DUH_PLAYER *al_duh_encapsulate_sigrenderer(DUH_SIGRENDERER *sigrenderer, float volume, long bufsize, int freq)
+{
+ AL_DUH_PLAYER *dp;
+ int n_channels;
+
+ if (!sigrenderer)
+ return NULL;
+
+ dp = malloc(sizeof(*dp));
+ if (!dp)
+ return NULL;
+
+ n_channels = duh_sigrenderer_get_n_channels(sigrenderer);
+
+ /* This restriction is imposed by Allegro. */
+ ASSERT(n_channels > 0);
+ ASSERT(n_channels <= 2);
+
+ dp->flags = ADP_PLAYING;
+ dp->bufsize = bufsize;
+ dp->freq = freq;
+
+ dp->stream = play_audio_stream(bufsize, 16, n_channels - 1, freq, 255, 128);
+
+ if (!dp->stream) {
+ free(dp);
+ return NULL;
+ }
+
+ voice_set_priority(dp->stream->voice, 255);
+
+ dp->sigrenderer = sigrenderer;
+
+ dp->volume = volume;
+ dp->silentcount = 0;
+
+ return dp;
+}
+
+
+
+DUH_SIGRENDERER *al_duh_get_sigrenderer(AL_DUH_PLAYER *dp)
+{
+ return dp ? dp->sigrenderer : NULL;
+}
+
+
+
+/* IMPORTANT: This function will return NULL if the music has ended. */
+// Should this be changed? User might want to hack the underlying SIGRENDERER
+// and resurrect it (e.g. change pattern number), before it gets destroyed...
+DUH_SIGRENDERER *al_duh_decompose_to_sigrenderer(AL_DUH_PLAYER *dp)
+{
+ if (dp) {
+ DUH_SIGRENDERER *sigrenderer = dp->sigrenderer;
+ if (sigrenderer) stop_audio_stream(dp->stream);
+ free(dp);
+ return sigrenderer;
+ }
+ return NULL;
+}
+
+
+
+/* DEPRECATED */
+AL_DUH_PLAYER *al_duh_encapsulate_renderer(DUH_SIGRENDERER *dr, float volume, long bufsize, int freq)
+{
+ return al_duh_encapsulate_sigrenderer(dr, volume, bufsize, freq);
+}
+
+
+
+/* DEPRECATED */
+DUH_SIGRENDERER *al_duh_get_renderer(AL_DUH_PLAYER *dp)
+{
+ return al_duh_get_sigrenderer(dp);
+}
+
+
+
+/* DEPRECATED */
+DUH_SIGRENDERER *al_duh_decompose_to_renderer(AL_DUH_PLAYER *dp)
+{
+ return al_duh_decompose_to_sigrenderer(dp);
+}
--- /dev/null
+++ b/dumb/src/allegro/datduh.c
@@ -1,0 +1,60 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * datduh.c - Integration with Allegro's / / \ \
+ * datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+static void *dat_read_duh(PACKFILE *f, long size)
+{
+ DUMBFILE *df;
+ DUH *duh;
+
+ (void)size;
+
+ df = dumbfile_open_packfile(f);
+
+ if (!df)
+ return NULL;
+
+ duh = read_duh(df);
+
+ dumbfile_close(df);
+
+ return duh;
+}
+
+
+
+/* dumb_register_dat_duh(): tells Allegro about the DUH datafile object. If
+ * you intend to load a datafile containing a DUH object, you must call this
+ * function first. It is recommended you pass DAT_DUH, but you may have a
+ * reason to use a different type (apart from pride, that doesn't count).
+ */
+void dumb_register_dat_duh(long type)
+{
+ register_datafile_object(
+ type,
+ &dat_read_duh,
+ &_dat_unload_duh
+ );
+}
--- /dev/null
+++ b/dumb/src/allegro/datit.c
@@ -1,0 +1,62 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * datit.c - Integration of IT files with / / \ \
+ * Allegro's datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+static void *dat_read_it(PACKFILE *f, long size)
+{
+ DUMBFILE *df;
+ DUH *duh;
+
+ (void)size;
+
+ df = dumbfile_open_packfile(f);
+
+ if (!df)
+ return NULL;
+
+ duh = dumb_read_it(df);
+
+ dumbfile_close(df);
+
+ return duh;
+}
+
+
+
+/* dumb_register_dat_it(): tells Allegro about the IT datafile object. If you
+ * intend to load a datafile containing an IT object, you must call this
+ * function first. It is recommended you pass DUMB_DAT_IT, but you may have a
+ * reason to use a different type (perhaps you already have a datafile with
+ * IT files in and they use a different type).
+ */
+void dumb_register_dat_it(long type)
+{
+ register_datafile_object(
+ type,
+ &dat_read_it,
+ &_dat_unload_duh
+ );
+}
+
--- /dev/null
+++ b/dumb/src/allegro/datitq.c
@@ -1,0 +1,64 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * datitq.c - Integration of IT files with / / \ \
+ * Allegro's datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+static void *dat_read_it_quick(PACKFILE *f, long size)
+{
+ DUMBFILE *df;
+ DUH *duh;
+
+ (void)size;
+
+ df = dumbfile_open_packfile(f);
+
+ if (!df)
+ return NULL;
+
+ duh = dumb_read_it_quick(df);
+
+ dumbfile_close(df);
+
+ return duh;
+}
+
+
+
+/* dumb_register_dat_it_quick(): tells Allegro about the IT datafile object.
+ * If you intend to load a datafile containing an IT object, you must call
+ * this function first. It is recommended you pass DUMB_DAT_IT, but you may
+ * have a reason to use a different type (perhaps you already have a datafile
+ * with IT files in and they use a different type).
+ *
+ * This installs the quick loader: the song length and fast seek points are
+ * not calculated.
+ */
+void dumb_register_dat_it_quick(long type)
+{
+ register_datafile_object(
+ type,
+ &dat_read_it_quick,
+ &_dat_unload_duh
+ );
+}
--- /dev/null
+++ b/dumb/src/allegro/datmod.c
@@ -1,0 +1,61 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * datmod.c - Integration of MOD files with / / \ \
+ * Allegro's datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+static void *dat_read_mod(PACKFILE *f, long size)
+{
+ DUMBFILE *df;
+ DUH *duh;
+
+ (void)size;
+
+ df = dumbfile_open_packfile(f);
+
+ if (!df)
+ return NULL;
+
+ duh = dumb_read_mod(df);
+
+ dumbfile_close(df);
+
+ return duh;
+}
+
+
+
+/* dumb_register_dat_mod(): tells Allegro about the MOD datafile object. If
+ * you intend to load a datafile containing a MOD object, you must call this
+ * function first. It is recommended you pass DUMB_DAT_MOD, but you may have
+ * a reason to use a different type (perhaps you already have a datafile with
+ * MOD files in and they use a different type).
+ */
+void dumb_register_dat_mod(long type)
+{
+ register_datafile_object(
+ type,
+ &dat_read_mod,
+ &_dat_unload_duh
+ );
+}
--- /dev/null
+++ b/dumb/src/allegro/datmodq.c
@@ -1,0 +1,64 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * datmodq.c - Integration of MOD files with / / \ \
+ * Allegro's datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+static void *dat_read_mod_quick(PACKFILE *f, long size)
+{
+ DUMBFILE *df;
+ DUH *duh;
+
+ (void)size;
+
+ df = dumbfile_open_packfile(f);
+
+ if (!df)
+ return NULL;
+
+ duh = dumb_read_mod_quick(df);
+
+ dumbfile_close(df);
+
+ return duh;
+}
+
+
+
+/* dumb_register_dat_mod_quick(): tells Allegro about the MOD datafile object.
+ * If you intend to load a datafile containing a MOD object, you must call this
+ * function first. It is recommended you pass DUMB_DAT_MOD, but you may have
+ * a reason to use a different type (perhaps you already have a datafile with
+ * MOD files in and they use a different type).
+ *
+ * This installs the quick loader: the song length and fast seek points are
+ * not calculated.
+ */
+void dumb_register_dat_mod_quick(long type)
+{
+ register_datafile_object(
+ type,
+ &dat_read_mod_quick,
+ &_dat_unload_duh
+ );
+}
--- /dev/null
+++ b/dumb/src/allegro/dats3m.c
@@ -1,0 +1,61 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * dats3m.c - Integration of S3M files with / / \ \
+ * Allegro's datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+static void *dat_read_s3m(PACKFILE *f, long size)
+{
+ DUMBFILE *df;
+ DUH *duh;
+
+ (void)size;
+
+ df = dumbfile_open_packfile(f);
+
+ if (!df)
+ return NULL;
+
+ duh = dumb_read_s3m(df);
+
+ dumbfile_close(df);
+
+ return duh;
+}
+
+
+
+/* dumb_register_dat_s3m(): tells Allegro about the S3M datafile object. If
+ * you intend to load a datafile containing an S3M object, you must call this
+ * function first. It is recommended you pass DUMB_DAT_S3M, but you may have
+ * a reason to use a different type (perhaps you already have a datafile with
+ * S3M files in and they use a different type).
+ */
+void dumb_register_dat_s3m(long type)
+{
+ register_datafile_object(
+ type,
+ &dat_read_s3m,
+ &_dat_unload_duh
+ );
+}
--- /dev/null
+++ b/dumb/src/allegro/dats3mq.c
@@ -1,0 +1,64 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * dats3mq.c - Integration of S3M files with / / \ \
+ * Allegro's datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+static void *dat_read_s3m_quick(PACKFILE *f, long size)
+{
+ DUMBFILE *df;
+ DUH *duh;
+
+ (void)size;
+
+ df = dumbfile_open_packfile(f);
+
+ if (!df)
+ return NULL;
+
+ duh = dumb_read_s3m_quick(df);
+
+ dumbfile_close(df);
+
+ return duh;
+}
+
+
+
+/* dumb_register_dat_s3m_quick(): tells Allegro about the S3M datafile object.
+ * If you intend to load a datafile containing an S3M object, you must call this
+ * function first. It is recommended you pass DUMB_DAT_S3M, but you may have
+ * a reason to use a different type (perhaps you already have a datafile with
+ * S3M files in and they use a different type).
+ *
+ * This installs the quick loader: the song length and fast seek points are
+ * not calculated.
+ */
+void dumb_register_dat_s3m_quick(long type)
+{
+ register_datafile_object(
+ type,
+ &dat_read_s3m_quick,
+ &_dat_unload_duh
+ );
+}
--- /dev/null
+++ b/dumb/src/allegro/datunld.c
@@ -1,0 +1,31 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * datunld.c - Unload function for integration / / \ \
+ * with Allegro's datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+void _dat_unload_duh(void *duh)
+{
+ unload_duh(duh);
+}
+
--- /dev/null
+++ b/dumb/src/allegro/datxm.c
@@ -1,0 +1,62 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * datxm.c - Integration of XM files with / / \ \
+ * Allegro's datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+static void *dat_read_xm(PACKFILE *f, long size)
+{
+ DUMBFILE *df;
+ DUH *duh;
+
+ (void)size;
+
+ df = dumbfile_open_packfile(f);
+
+ if (!df)
+ return NULL;
+
+ duh = dumb_read_xm(df);
+
+ dumbfile_close(df);
+
+ return duh;
+}
+
+
+
+/* dumb_register_dat_xm(): tells Allegro about the XM datafile object. If you
+ * intend to load a datafile containing an XM object, you must call this
+ * function first. It is recommended you pass DUMB_DAT_XM, but you may have a
+ * reason to use a different type (perhaps you already have a datafile with
+ * XM files in and they use a different type).
+ */
+void dumb_register_dat_xm(long type)
+{
+ register_datafile_object(
+ type,
+ &dat_read_xm,
+ &_dat_unload_duh
+ );
+}
+
--- /dev/null
+++ b/dumb/src/allegro/datxmq.c
@@ -1,0 +1,64 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * datxmq.c - Integration of XM files with / / \ \
+ * Allegro's datafiles. | < / \_
+ * | \/ /\ /
+ * By entheh. \_ / > /
+ * | \ / /
+ * | ' /
+ * \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+#include "internal/aldumb.h"
+
+
+
+static void *dat_read_xm_quick(PACKFILE *f, long size)
+{
+ DUMBFILE *df;
+ DUH *duh;
+
+ (void)size;
+
+ df = dumbfile_open_packfile(f);
+
+ if (!df)
+ return NULL;
+
+ duh = dumb_read_xm_quick(df);
+
+ dumbfile_close(df);
+
+ return duh;
+}
+
+
+
+/* dumb_register_dat_xm_quick(): tells Allegro about the XM datafile object.
+ * If you intend to load a datafile containing an XM object, you must call this
+ * function first. It is recommended you pass DUMB_DAT_XM, but you may have a
+ * reason to use a different type (perhaps you already have a datafile with
+ * XM files in and they use a different type).
+ *
+ * This installs the quick loader: the song length and fast seek points are
+ * not calculated.
+ */
+void dumb_register_dat_xm_quick(long type)
+{
+ register_datafile_object(
+ type,
+ &dat_read_xm_quick,
+ &_dat_unload_duh
+ );
+}
--- /dev/null
+++ b/dumb/src/allegro/packfile.c
@@ -1,0 +1,98 @@
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * packfile.c - Packfile input module. / / \ \
+ * | < / \_
+ * By entheh. | \/ /\ /
+ * \_ / > /
+ * Note that this does not use file compression; | \ / /
+ * for that you must open the file yourself and | ' /
+ * then use dumbfile_open_packfile(). \__/
+ */
+
+#include <allegro.h>
+
+#include "aldumb.h"
+
+
+
+static void *dumb_packfile_open(const char *filename)
+{
+ return pack_fopen(filename, F_READ);
+}
+
+
+
+static int dumb_packfile_skip(void *f, long n)
+{
+ return pack_fseek(f, n);
+}
+
+
+
+static int dumb_packfile_getc(void *f)
+{
+ return pack_getc(f);
+}
+
+
+
+static long dumb_packfile_getnc(char *ptr, long n, void *f)
+{
+ return pack_fread(ptr, n, f);
+}
+
+
+
+static void dumb_packfile_close(void *f)
+{
+ pack_fclose(f);
+}
+
+
+
+static DUMBFILE_SYSTEM packfile_dfs = {
+ &dumb_packfile_open,
+ &dumb_packfile_skip,
+ &dumb_packfile_getc,
+ &dumb_packfile_getnc,
+ &dumb_packfile_close
+};
+
+
+
+void dumb_register_packfiles(void)
+{
+ register_dumbfile_system(&packfile_dfs);
+}
+
+
+
+static DUMBFILE_SYSTEM packfile_dfs_leave_open = {
+ NULL,
+ &dumb_packfile_skip,
+ &dumb_packfile_getc,
+ &dumb_packfile_getnc,
+ NULL
+};
+
+
+
+DUMBFILE *dumbfile_open_packfile(PACKFILE *p)
+{
+ return dumbfile_open_ex(p, &packfile_dfs_leave_open);
+}
+
+
+
+DUMBFILE *dumbfile_from_packfile(PACKFILE *p)
+{
+ return p ? dumbfile_open_ex(p, &packfile_dfs) : NULL;
+}