Add functions to encapsulate serialization

src/common/events.h

@@ -1,40 +0,0 @@
-#pragma once
-
-#include <cinttypes>
-#include <msgpack.hpp>
-#include <optional>
-
-/**
- * An event as dispatched by the VST host. These events will get forwarded to
- * the VST host process running under Wine. The fields here mirror those
- * arguments sent to the `AEffect::dispatch` function.
- */
-struct Event {
-    int32_t opcode;
-    int32_t parameter;
-    // TODO: This is an intptr_t, is this actually a poitner that should be
-    //       dereferenced?
-    intptr_t value;
-    float option;
-
-    MSGPACK_DEFINE(opcode, parameter, value, option)
-};
-
-/**
- * AN instance of this should be sent back as a response to an incoming event.
- */
-struct EventResult {
-    /**
-     * The result that should be returned from the dispatch function.
-     */
-    intptr_t return_value;
-    /**
-     * If present, this should get written into the void pointer passed to the
-     * dispatch function.
-     */
-    std::optional<std::string> result;
-
-    // TODO: Add missing return value fields;
-
-    MSGPACK_DEFINE(return_value, result)
-};