Diff: Player/Player.cpp

Revision:

0:7a56bf0441ea

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Player/Player.cpp	Wed Dec 09 01:38:08 2015 +0000
@@ -0,0 +1,42 @@
+#include "Player.h"
+
+#define min(x, y) ((x) < (y) ? (x) : (y))
+
+Player::Player(char *s1, char *s2, char *s3) {
+    MusicString ms1(s1);
+    MusicString ms2(s2);
+    MusicString ms3(s3);
+    layer1 = Layer(ms1);
+    layer2 = Layer(ms2);
+    layer3 = Layer(ms3);
+}
+
+void Player::play(YMZ294& soundGen, int freq, int shape, int tempo) {
+    bool attenuate = (shape < 8|| shape == 9 || shape == 15);
+    for (int tick = 0, dur = 0;; tick += dur) {
+        dur = layer1.play(soundGen, CHANNEL_A, tick, attenuate);
+        if (!layer2.isNull()) {
+            int dur2 = layer2.play(soundGen, CHANNEL_B, tick, attenuate);
+            dur = min(dur, dur2);
+        }
+        if (!layer3.isNull()) {
+            int dur3 = layer3.play(soundGen, CHANNEL_C, tick, attenuate);
+            dur = min(dur, dur3);
+        }
+        if (dur == 0)
+            break;
+        soundGen.setEnvelope(freq, shape);
+        soundGen.setMixer(TONE_A, TONE_B, TONE_C);
+        wait(dur / 480.0 * 60.0 / tempo);
+    }
+    soundGen.setMixer(NONE);
+    soundGen.setVolume(CHANNEL_A, 0);
+    soundGen.setVolume(CHANNEL_B, 0);
+    soundGen.setVolume(CHANNEL_C, 0);
+}
+
+void Player::rewind() {
+    layer1.rewind();
+    layer2.rewind();
+    layer3.rewind();
+}