Add boilerplate for event handling

src/plugin/bridge.cpp

@@ -1,6 +1,9 @@
 #include "bridge.h"
 
 #include <iostream>
+#include <msgpack.hpp>
+
+#include "../common/events.h"
 
 // TODO: I should track down the VST2 SDK for clarification on some of the
 //       implementation details, such as the use of intptr_t isntead of void*
@@ -12,10 +15,24 @@
  */
 intptr_t Bridge::dispatch(AEffect* /*plugin*/,
                           int32_t opcode,
-                          int32_t /*parameter*/,
-                          intptr_t /*value*/,
+                          int32_t parameter,
+                          intptr_t value,
                           void* result,
-                          float /*option*/) {
+                          float option) {
+    // TODO: Send to the Wine process
+    Event event{opcode, parameter, value, option};
+    msgpack::sbuffer buffer;
+    msgpack::pack(buffer, event);
+
+    // TODO: Read the response
+    EventResult response;
+    if (response.result) {
+        std::copy(response.result->begin(), response.result->end(),
+                  static_cast<char*>(result));
+    }
+
+    // Some events need some extra handling
+    // TODO: Handle other things such as GUI itneraction
     switch (opcode) {
         case effClose:
             // TODO: Gracefully close the editor?
@@ -27,17 +44,9 @@ intptr_t Bridge::dispatch(AEffect* /*plugin*/,
 
             return 0;
             break;
-        case effGetEffectName:
-            const std::string plugin_name("Hello, world!");
-            std::copy(plugin_name.begin(), plugin_name.end(),
-                      static_cast<char*>(result));
-
-            return 1;  // TODO: Why?
-            break;
     }
 
-    // TODO: Unimplmemented
-    return 0;
+    return response.return_value;
 }
 
 void Bridge::process(AEffect* /*plugin*/,