From a96b48b0c0b574e4bb26fd9c6faa5d73f1da3390 Mon Sep 17 00:00:00 2001
From: kiritow <1362050620@qq.com>
Date: Wed, 14 Jun 2017 20:50:12 +0800
Subject: [PATCH] Add direct effect add/remove control to SoundPlayer

---
 MiniEngine.cpp | 16 ++++++++++++++++
 MiniEngine.h   |  5 +++++
 2 files changed, 21 insertions(+)

diff --git a/MiniEngine.cpp b/MiniEngine.cpp
index 8952468..a1b50ac 100644
--- a/MiniEngine.cpp
+++ b/MiniEngine.cpp
@@ -2831,6 +2831,22 @@ namespace MiniEngine
         return Mix_SetReverseStereo(id,flip);
     }
 
+    int SoundPlayer::addEffect(ChannelID id,Mix_EffectFunc_t f, Mix_EffectDone_t d, void* arg)
+    {
+        return Mix_RegisterEffect(id,f,d,arg);
+    }
+
+    int SoundPlayer::removeEffect(ChannelID id,Mix_EffectFunc_t f)
+    {
+        return Mix_UnregisterEffect(id,f);
+    }
+
+    int SoundPlayer::removeAllEffect(ChannelID id)
+    {
+        return Mix_UnregisterAllEffects(id);
+    }
+
+
 	AudioPlayer::_Audio* AudioPlayer::_sysAudio = nullptr;
 	int AudioPlayer::_sysAudioCounter = 0;
 
diff --git a/MiniEngine.h b/MiniEngine.h
index 12968a5..e104388 100644
--- a/MiniEngine.h
+++ b/MiniEngine.h
@@ -834,6 +834,11 @@ namespace MiniEngine
 		int setPosition(ChannelID id,int16_t angle,uint8_t distance);
 		int setDistance(ChannelID id,uint8_t distance);
 		int setReverseStereo(ChannelID id,int flip);
+
+		/// Experimental: Direct Add/Remove Effect
+		int addEffect(ChannelID id,Mix_EffectFunc_t f, Mix_EffectDone_t d, void *arg);
+		int removeEffect(ChannelID id,Mix_EffectFunc_t f);
+		int removeAllEffect(ChannelID id);
 	};
 
 	class StringEngine