add src/sdl/sounds.[hc], assets/wavs, and set default sounds

1 files changed, 47 insertions, 0 deletions

diff --git a/src/sdl/sounds.c b/src/sdl/sounds.c
new file mode 100644
index 0000000..956229c
--- /dev/null
+++ b/src/sdl/sounds.c
@@ -0,0 +1,47 @@
+#include <SDL.h>
+#include "util.h"
+#include "assets.h"
+#include "sounds.h"
+
+#define SOUND_OFS(asset_id) ((asset_id) - ASSET_SOUND_FIRST - 1)
+
+void
+sounds_init(
+  Mix_Chunk ** const sounds
+) {
+  for (asset_id_t id = ASSET_SOUND_FIRST + 1; id < ASSET_SOUND_LAST; id++) {
+    // get asset
+    const asset_t * const asset = asset_get(id);
+
+    // create rwops
+    SDL_RWops *rw = SDL_RWFromConstMem(asset->buf, asset->len);
+    if (!rw) {
+      die("SDL_RWFromConstMem(): %s", SDL_GetError());
+    }
+
+    // load chunk
+    Mix_Chunk *chunk = Mix_LoadWAV_RW(rw, 1);
+    if (!chunk) {
+      die("Mix_LoadWAV_RW(): %s", Mix_GetError());
+    }
+
+    // add to list of sounds
+    sounds[SOUND_OFS(id)] = chunk;
+  }
+}
+
+void
+sound_play(
+  Mix_Chunk ** const sounds,
+  const asset_id_t id
+) {
+  // check ID
+  if (id <= ASSET_SOUND_FIRST || id >= ASSET_SOUND_LAST) {
+    die("invalid sound asset id: %u", id);
+  }
+
+  // play sound
+  if (Mix_PlayChannel(-1, sounds[SOUND_OFS(id)], 0)) {
+    die("Mix_PlayChannel(): %s", Mix_GetError());
+  }
+}