initial commit

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ie3b66d17f6f660c9b9a719210bd86f9f6a6a6964

src/audio.c

@@ -0,0 +1,90 @@
+#include "audio.h"
+#include "raylib.h"
+#include <math.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846 // xd
+#endif
+
+#define SAMPLE_RATE 44100
+#define DURATION 0.1
+
+// Generate a simple sine wave tone
+static void play_tone(float frequency, float duration, float volume) {
+  static float samples[SAMPLE_RATE];
+  int sample_count = (int)(SAMPLE_RATE * duration);
+
+  if (sample_count > SAMPLE_RATE)
+    sample_count = SAMPLE_RATE;
+
+  // Generate sine wave
+  for (int i = 0; i < sample_count; i++) {
+    float t = (float)i / SAMPLE_RATE;
+    samples[i] = sinf(2.0f * M_PI * frequency * t) * volume;
+
+    // Apply simple envelope (fade in/out)
+    float envelope = 1.0f;
+    int fade_samples = SAMPLE_RATE / 20; // 50ms fade
+    if (i < fade_samples) {
+      envelope = (float)i / fade_samples;
+    } else if (i > sample_count - fade_samples) {
+      envelope = (float)(sample_count - i) / fade_samples;
+    }
+    samples[i] *= envelope;
+  }
+
+  // Create wave from samples
+  Wave wave = {.frameCount = (unsigned int)sample_count,
+               .sampleRate = SAMPLE_RATE,
+               .sampleSize = 32,
+               .channels = 1,
+               .data = samples};
+
+  Sound sound = LoadSoundFromWave(wave);
+  PlaySound(sound);
+  UnloadSound(sound);
+}
+
+void audio_init(void) {
+  // Initialize audio device
+  InitAudioDevice();
+}
+
+void audio_close(void) {
+  // Close audio device
+  CloseAudioDevice();
+}
+
+void audio_play_move(void) {
+  // Low blip for movement
+  play_tone(200.0f, 0.05f, 0.3f);
+}
+
+void audio_play_attack(void) {
+  // Mid-range hit sound
+  play_tone(400.0f, 0.1f, 0.5f);
+}
+
+void audio_play_item_pickup(void) {
+  // High-pitched pickup sound
+  play_tone(800.0f, 0.15f, 0.4f);
+}
+
+void audio_play_enemy_death(void) {
+  // Descending death sound
+  play_tone(300.0f, 0.1f, 0.5f);
+  play_tone(150.0f, 0.15f, 0.4f);
+}
+
+void audio_play_player_damage(void) {
+  // Harsh damage sound
+  play_tone(150.0f, 0.1f, 0.6f);
+  play_tone(100.0f, 0.1f, 0.4f);
+}
+
+void audio_play_stairs(void) {
+  // Ascending stairs sound
+  play_tone(400.0f, 0.1f, 0.3f);
+  play_tone(600.0f, 0.1f, 0.3f);
+  play_tone(800.0f, 0.15f, 0.3f);
+}