music: add music directory backend

This adds support to play both CDAudio single MP3 as well as loading individual tracks directly from a music directory.
LostArtefacts · May 1, 2024 · d8ce83c · d8ce83c
1 parent 0c827cb
commit d8ce83c
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Showing 9 changed files with 501 additions and 285 deletions.
diff --git a/meson.build b/meson.build
@@ -90,7 +90,9 @@ dll_sources = [
   'src/game/math.c',
   'src/game/math_misc.c',
   'src/game/matrix.c',
-  'src/game/music.c',
+  'src/game/music/music_main.c',
+  'src/game/music/music_backend_files.c',
+  'src/game/music/music_backend_cdaudio.c',
   'src/game/objects/creatures/bird.c',
   'src/game/output.c',
   'src/game/overlay.c',

diff --git a/src/game/music.c b/src/game/music.c
diff --git a/src/game/music/music_backend.h b/src/game/music/music_backend.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef struct MUSIC_BACKEND {
+    bool (*init)(struct MUSIC_BACKEND *backend);
+    const char *(*describe)(const struct MUSIC_BACKEND *backend);
+    int32_t (*play)(const struct MUSIC_BACKEND *backend, int32_t track_id);
+    void *data;
+} MUSIC_BACKEND;