refa Use Vulkan for graphics

This is a partial refactory. Some functionalities implemented in
SDL were removed and need reimplementation.

1 files changed, 73 insertions, 0 deletions

diff --git a/src/sound.cpp b/src/sound.cpp
new file mode 100644
index 0000000..0b3518f
--- /dev/null
+++ b/src/sound.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2022 Frederico de Oliveira Linhares
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "sound.hpp"
+
+void
+cg_free_sound(mrb_state *mrb, void* obj)
+{
+  struct cg_sound *ptr = static_cast<cg_sound*>(obj);
+
+  Mix_FreeChunk(ptr->chunk);
+  mrb_free(mrb, ptr);
+}
+
+const struct mrb_data_type cg_sound_type = {
+  "CG_Sound", cg_free_sound };
+
+static mrb_value
+cg_cSound_initialize(mrb_state *mrb, mrb_value self)
+{
+  const char *file_path;
+
+  struct cg_sound *ptr;
+
+  mrb_get_args(mrb, "z", &file_path);
+  ptr = (struct cg_sound *)DATA_PTR(self);
+  if(ptr) mrb_free(mrb, ptr);
+  ptr = (struct cg_sound *)mrb_malloc(mrb, sizeof(struct cg_sound));
+
+  ptr->chunk = Mix_LoadWAV(file_path);
+  if(ptr->chunk == NULL) mrb_raise(mrb, E_RUNTIME_ERROR, Mix_GetError());
+
+  mrb_data_init(self, ptr, &cg_sound_type);
+  return self;
+}
+
+static mrb_value
+cg_cSound_play(mrb_state *mrb, mrb_value self)
+{
+  struct cg_sound *ptr;
+
+  ptr = (struct cg_sound *)DATA_PTR(self);
+
+  Mix_PlayChannel(-1, ptr->chunk, 0);
+
+  return self;
+}
+
+void
+cg_sound_init(mrb_state *mrb)
+{
+  struct RClass *cg_m, *cg_cSound;
+
+  cg_m = mrb_module_get(mrb, "CandyGear");
+  cg_cSound = mrb_define_class_under(mrb, cg_m, "Sound", mrb->object_class);
+  MRB_SET_INSTANCE_TT(cg_cSound, MRB_TT_DATA);
+  mrb_define_method(
+    mrb, cg_cSound, "initialize", cg_cSound_initialize, MRB_ARGS_REQ(1));
+  mrb_define_method(mrb, cg_cSound, "play", cg_cSound_play, MRB_ARGS_NONE());
+}