Add whatever I was working on for the last month

1 files changed, 104 insertions, 0 deletions

diff --git a/game/client/sound_effect.cc b/game/client/sound_effect.cc
new file mode 100644
index 0000000..c6cee72
--- /dev/null
+++ b/game/client/sound_effect.cc
@@ -0,0 +1,104 @@
+#include "client/pch.hh"
+#include "client/sound_effect.hh"
+
+#include "core/resource.hh"
+
+static emhash8::HashMap<std::string, resource_ptr<SoundEffect>> resource_map;
+
+static std::size_t drwav_read_physfs(void *file, void *output, std::size_t count)
+{
+    return static_cast<std::size_t>(PHYSFS_readBytes(reinterpret_cast<PHYSFS_File *>(file), output, count));
+}
+
+static drwav_bool32 drwav_seek_physfs(void *file, int offset, drwav_seek_origin origin)
+{
+    if(origin == drwav_seek_origin_current)
+        return PHYSFS_seek(reinterpret_cast<PHYSFS_File *>(file), PHYSFS_tell(reinterpret_cast<PHYSFS_File *>(file)) + offset);
+    return PHYSFS_seek(reinterpret_cast<PHYSFS_File *>(file), offset);
+}
+
+template<>
+resource_ptr<SoundEffect> resource::load<SoundEffect>(const char *name, unsigned int flags)
+{
+    auto it = resource_map.find(name);
+
+    if(it != resource_map.cend()) {
+        // Return an existing resource
+        return it->second;
+    }
+
+    auto file = PHYSFS_openRead(name);
+
+    if(file == nullptr) {
+        spdlog::warn("resource: {} [SoundEffect]: {}", name, PHYSFS_getErrorByCode(PHYSFS_getLastErrorCode()));
+        return nullptr;
+    }
+
+
+    drwav wav_info;
+
+    if(!drwav_init(&wav_info, &drwav_read_physfs, &drwav_seek_physfs, file, nullptr)) {
+        spdlog::warn("resource: {} [SoundEffect]: drwav_init failed", name);
+        PHYSFS_close(file);
+        return nullptr;
+    }
+
+    if(wav_info.channels != 1) {
+        spdlog::warn("resource: {} [SoundEffect]: only mono sound files are allowed", name);
+        drwav_uninit(&wav_info);
+        PHYSFS_close(file);
+        return nullptr;
+    }
+
+    auto samples = new ALshort[wav_info.totalPCMFrameCount];
+    auto count = drwav_read_pcm_frames_s16(&wav_info, wav_info.totalPCMFrameCount, reinterpret_cast<drwav_int16 *>(samples));
+    auto sample_rate = static_cast<ALsizei>(wav_info.sampleRate);
+    auto length = static_cast<ALsizei>(count * sizeof(ALshort));
+
+    drwav_uninit(&wav_info);
+    PHYSFS_close(file);
+
+    auto new_resource = std::make_shared<SoundEffect>();
+    new_resource->name = std::string(name);
+
+    alGenBuffers(1, &new_resource->buffer);
+    alBufferData(new_resource->buffer, AL_FORMAT_MONO16, samples, length, sample_rate);
+
+    delete[] samples;
+
+    return resource_map.insert_or_assign(name, new_resource).first->second;
+}
+
+template<>
+void resource::hard_cleanup<SoundEffect>(void)
+{
+    for(const auto &it : resource_map) {
+        if(it.second.use_count() > 1L)
+            spdlog::warn("resource: zombie resource [SoundEffect] {} [use_count={}]", it.first, it.second.use_count());
+        else spdlog::debug("resource: releasing [SoundEffect] {}", it.first);
+
+        alDeleteBuffers(1, &it.second->buffer);
+    }
+
+    resource_map.clear();
+}
+
+template<>
+void resource::soft_cleanup<SoundEffect>(void)
+{
+    auto iter = resource_map.cbegin();
+
+    while(iter != resource_map.cend()) {
+        if(iter->second.use_count() == 1L) {
+            spdlog::debug("resource: releasing [SoundEffect] {}", iter->first);
+
+            alDeleteBuffers(1, &iter->second->buffer);
+
+            iter = resource_map.erase(iter);
+
+            continue;
+        }
+
+        iter = std::next(iter);
+    }
+}