Port TFruityPlugHost->OnControllerChanged (#95)

tonikasoft · May 21, 2020 · 5563990 · 5563990
1 parent 59bb6fd
commit 5563990
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Showing 4 changed files with 74 additions and 43 deletions.
diff --git a/examples/simple.rs b/examples/simple.rs
@@ -68,13 +68,14 @@ impl Plugin for Simple {
 
         InfoBuilder::new_full_gen("Simple", "Simple", self.param_names.len() as u32)
             // InfoBuilder::new_effect("Simple", "Simple", self.param_names.len() as u32)
-            // .want_new_tick()
+            .want_new_tick()
+            .with_out_ctrls(1)
             .with_out_voices(1)
-            .loop_out()
+            // .loop_out()
             // Looks like MIDI out doesn't work :(
             // https://forum.image-line.com/viewtopic.php?f=100&t=199371
             // https://forum.image-line.com/viewtopic.php?f=100&t=199258
-            .midi_out()
+            // .midi_out()
             .build()
     }
 
@@ -143,7 +144,8 @@ impl Plugin for Simple {
     }
 
     fn tick(&mut self) {
-        trace!("{} receive new tick", self.tag);
+        // assign to itself to see it in log
+        self.host.on_controller(self.tag, 0, 12345_u16);
     }
 
     fn idle(&mut self) {
@@ -168,6 +170,12 @@ impl Plugin for Simple {
             value.get::<f32>(),
             flags
         );
+
+        if flags.contains(ProcessParamFlags::INTERNAL_CTRL | ProcessParamFlags::UPDATE_VALUE) {
+            // will work if assigned to itself
+            info!("internall control value {}", value.get::<u16>());
+        }
+
         Box::new(0)
     }
 

diff --git a/src/cxx/wrapper.cpp b/src/cxx/wrapper.cpp
@@ -254,6 +254,11 @@ void host_on_parameter(void *host, TPluginTag tag, int index, int value) {
     ((TFruityPlugHost *)host)->OnParamChanged(tag, index, value);
 }
 
+void host_on_controller(void *host, TPluginTag tag, intptr_t index,
+                        intptr_t value) {
+    ((TFruityPlugHost *)host)->OnControllerChanged(tag, index, value);
+}
+
 void host_on_hint(void *host, TPluginTag tag, char *text) {
     ((TFruityPlugHost *)host)->OnHint(tag, text);
 }

diff --git a/src/cxx/wrapper.h b/src/cxx/wrapper.h
@@ -121,6 +121,8 @@ extern "C" intptr_t host_on_message(void *host, TPluginTag tag,
                                     Message message);
 extern "C" void host_on_parameter(void *host, TPluginTag tag, int index,
                                   int value);
+extern "C" void host_on_controller(void *host, TPluginTag tag, intptr_t index,
+                                   intptr_t value);
 extern "C" void host_on_hint(void *host, TPluginTag tag, char *text);
 extern "C" void host_midi_out(void *host, TPluginTag tag, unsigned char status,
                               unsigned char data1, unsigned char data2,

diff --git a/src/host.rs b/src/host.rs
@@ -37,11 +37,11 @@ impl Host {
         }
     }
 
-    /// Get the version of FL Studio. It is stored in one integer. If the version of FL Studio
-    /// would be 1.2.3 for example, `version` would be 1002003
-    pub fn version(&self) -> i32 {
-        todo!()
-    }
+    // Get the version of FL Studio. It is stored in one integer. If the version of FL Studio
+    // would be 1.2.3 for example, `version` would be 1002003
+    // pub fn version(&self) -> i32 {
+        // todo!()
+    // }
 
     /// Send message to host.
     ///
@@ -70,6 +70,21 @@ impl Host {
         };
     }
 
+    /// Notify the host that an internal controller has changed.
+    ///
+    /// Check out [this](https://forum.image-line.com/viewtopic.php?p=26368#p26368) post for more
+    /// info about an internal controller implemenation.
+    pub fn on_controller(&mut self, tag: plugin::Tag, index: usize, value: u16) {
+        unsafe {
+            host_on_controller(
+                *self.host_ptr.get_mut(),
+                tag.0,
+                index as intptr_t,
+                value.as_raw_ptr(),
+            )
+        };
+    }
+
     /// Let the host show a hint, as specified by the parameters.
     ///
     /// - `tag` - the plugin's tag
@@ -296,6 +311,41 @@ impl Host {
     }
 }
 
+extern "C" {
+    fn host_on_parameter(host: *mut c_void, tag: intptr_t, index: c_int, value: c_int);
+    fn host_on_controller(host: *mut c_void, tag: intptr_t, index: intptr_t, value: intptr_t);
+    fn host_on_hint(host: *mut c_void, tag: intptr_t, text: *mut c_char);
+    fn host_midi_out(
+        host: *mut c_void,
+        tag: intptr_t,
+        status: c_uchar,
+        data1: c_uchar,
+        data2: c_uchar,
+        port: c_uchar,
+    );
+    fn host_midi_out_del(
+        host: *mut c_void,
+        tag: intptr_t,
+        status: c_uchar,
+        data1: c_uchar,
+        data2: c_uchar,
+        port: c_uchar,
+    );
+    fn host_loop_out(host: *mut c_void, tag: intptr_t, message: intptr_t);
+    fn host_loop_kill(host: *mut c_void, tag: intptr_t, message: intptr_t);
+    fn host_lock_mix(host: *mut c_void);
+    fn host_unlock_mix(host: *mut c_void);
+    fn host_lock_plugin(host: *mut c_void, tag: intptr_t);
+    fn host_unlock_plugin(host: *mut c_void, tag: intptr_t);
+    fn host_suspend_out(host: *mut c_void);
+    fn host_resume_out(host: *mut c_void);
+    fn host_get_input_buf(host: *mut c_void, tag: intptr_t, offset: intptr_t) -> TIOBuffer;
+    fn host_get_output_buf(host: *mut c_void, tag: intptr_t, offset: intptr_t) -> TIOBuffer;
+    fn host_get_insert_buf(host: *mut c_void, tag: intptr_t, offset: intptr_t) -> *mut c_void;
+    fn host_get_mix_buf(host: *mut c_void, offset: intptr_t) -> *mut c_void;
+    fn host_get_send_buf(host: *mut c_void, offset: intptr_t) -> *mut c_void;
+}
+
 /// Type of the write-only buffer you want to get, using
 /// [`Host::buf_write`](../struct.Host.html#method.buf_write).
 #[derive(Debug)]
@@ -336,40 +386,6 @@ pub enum Buffer {
     SendWrite(usize),
 }
 
-extern "C" {
-    fn host_on_parameter(host: *mut c_void, tag: intptr_t, index: c_int, value: c_int);
-    fn host_on_hint(host: *mut c_void, tag: intptr_t, text: *mut c_char);
-    fn host_midi_out(
-        host: *mut c_void,
-        tag: intptr_t,
-        status: c_uchar,
-        data1: c_uchar,
-        data2: c_uchar,
-        port: c_uchar,
-    );
-    fn host_midi_out_del(
-        host: *mut c_void,
-        tag: intptr_t,
-        status: c_uchar,
-        data1: c_uchar,
-        data2: c_uchar,
-        port: c_uchar,
-    );
-    fn host_loop_out(host: *mut c_void, tag: intptr_t, message: intptr_t);
-    fn host_loop_kill(host: *mut c_void, tag: intptr_t, message: intptr_t);
-    fn host_lock_mix(host: *mut c_void);
-    fn host_unlock_mix(host: *mut c_void);
-    fn host_lock_plugin(host: *mut c_void, tag: intptr_t);
-    fn host_unlock_plugin(host: *mut c_void, tag: intptr_t);
-    fn host_suspend_out(host: *mut c_void);
-    fn host_resume_out(host: *mut c_void);
-    fn host_get_input_buf(host: *mut c_void, tag: intptr_t, offset: intptr_t) -> TIOBuffer;
-    fn host_get_output_buf(host: *mut c_void, tag: intptr_t, offset: intptr_t) -> TIOBuffer;
-    fn host_get_insert_buf(host: *mut c_void, tag: intptr_t, offset: intptr_t) -> *mut c_void;
-    fn host_get_mix_buf(host: *mut c_void, offset: intptr_t) -> *mut c_void;
-    fn host_get_send_buf(host: *mut c_void, offset: intptr_t) -> *mut c_void;
-}
-
 #[repr(C)]
 struct TIOBuffer {
     buffer: *mut c_void,