From cfa1aff1bf303b8b652f655cc5488fe5cab83460 Mon Sep 17 00:00:00 2001
From: Robbert van der Helm <mail@robbertvanderhelm.nl>
Date: Sun, 10 Jan 2021 23:30:36 +0100
Subject: [PATCH] Add stubs for IAutomationState

---
 src/common/serialization/vst3/plugin-proxy.cpp          | 6 ++++++
 src/common/serialization/vst3/plugin-proxy.h            | 4 ++++
 src/common/serialization/vst3/plugin/automation-state.h | 2 +-
 src/plugin/bridges/vst3-impls/plugin-proxy.cpp          | 7 +++++++
 src/plugin/bridges/vst3-impls/plugin-proxy.h            | 3 +++
 5 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/common/serialization/vst3/plugin-proxy.cpp b/src/common/serialization/vst3/plugin-proxy.cpp
index 2a4e292d..9d335c91 100644
--- a/src/common/serialization/vst3/plugin-proxy.cpp
+++ b/src/common/serialization/vst3/plugin-proxy.cpp
@@ -24,6 +24,7 @@ Vst3PluginProxy::ConstructArgs::ConstructArgs(
     : instance_id(instance_id),
       audio_presentation_latency_args(object),
       audio_processor_args(object),
+      automation_state_args(object),
       component_args(object),
       connection_point_args(object),
       edit_controller_args(object),
@@ -42,6 +43,7 @@ Vst3PluginProxy::Vst3PluginProxy(const ConstructArgs&& args)
     : YaAudioPresentationLatency(
           std::move(args.audio_presentation_latency_args)),
       YaAudioProcessor(std::move(args.audio_processor_args)),
+      YaAutomationState(std::move(args.automation_state_args)),
       YaComponent(std::move(args.component_args)),
       YaConnectionPoint(std::move(args.connection_point_args)),
       YaEditController(std::move(args.edit_controller_args)),
@@ -98,6 +100,10 @@ tresult PLUGIN_API Vst3PluginProxy::queryInterface(Steinberg::FIDString _iid,
         QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IAudioProcessor::iid,
                         Steinberg::Vst::IAudioProcessor)
     }
+    if (YaAutomationState::supported()) {
+        QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IAutomationState::iid,
+                        Steinberg::Vst::IAutomationState)
+    }
     if (YaComponent::supported()) {
         QUERY_INTERFACE(_iid, obj, Steinberg::Vst::IComponent::iid,
                         Steinberg::Vst::IComponent)
diff --git a/src/common/serialization/vst3/plugin-proxy.h b/src/common/serialization/vst3/plugin-proxy.h
index 73104233..c3ca28bd 100644
--- a/src/common/serialization/vst3/plugin-proxy.h
+++ b/src/common/serialization/vst3/plugin-proxy.h
@@ -21,6 +21,7 @@
 #include "../common.h"
 #include "plugin/audio-presentation-latency.h"
 #include "plugin/audio-processor.h"
+#include "plugin/automation-state.h"
 #include "plugin/component.h"
 #include "plugin/connection-point.h"
 #include "plugin/edit-controller-2.h"
@@ -63,6 +64,7 @@
  */
 class Vst3PluginProxy : public YaAudioPresentationLatency,
                         public YaAudioProcessor,
+                        public YaAutomationState,
                         public YaComponent,
                         public YaConnectionPoint,
                         public YaEditController,
@@ -97,6 +99,7 @@ class Vst3PluginProxy : public YaAudioPresentationLatency,
         YaAudioPresentationLatency::ConstructArgs
             audio_presentation_latency_args;
         YaAudioProcessor::ConstructArgs audio_processor_args;
+        YaAutomationState::ConstructArgs automation_state_args;
         YaComponent::ConstructArgs component_args;
         YaConnectionPoint::ConstructArgs connection_point_args;
         YaEditController::ConstructArgs edit_controller_args;
@@ -119,6 +122,7 @@ class Vst3PluginProxy : public YaAudioPresentationLatency,
             s.value8b(instance_id);
             s.object(audio_presentation_latency_args);
             s.object(audio_processor_args);
+            s.object(automation_state_args);
             s.object(component_args);
             s.object(connection_point_args);
             s.object(edit_controller_args);
diff --git a/src/common/serialization/vst3/plugin/automation-state.h b/src/common/serialization/vst3/plugin/automation-state.h
index fd4d15ed..c19db200 100644
--- a/src/common/serialization/vst3/plugin/automation-state.h
+++ b/src/common/serialization/vst3/plugin/automation-state.h
@@ -64,7 +64,7 @@ class YaAutomationState : public Steinberg::Vst::IAutomationState {
 
     inline bool supported() const { return arguments.supported; }
 
-    virtual tresult PLUGIN_API setAutomationState(int32 state) = 0;
+    virtual tresult PLUGIN_API setAutomationState(int32 state) override = 0;
 
    protected:
     ConstructArgs arguments;
diff --git a/src/plugin/bridges/vst3-impls/plugin-proxy.cpp b/src/plugin/bridges/vst3-impls/plugin-proxy.cpp
index 2d6ae610..54ca7fb6 100644
--- a/src/plugin/bridges/vst3-impls/plugin-proxy.cpp
+++ b/src/plugin/bridges/vst3-impls/plugin-proxy.cpp
@@ -156,6 +156,13 @@ uint32 PLUGIN_API Vst3PluginProxyImpl::getTailSamples() {
         YaAudioProcessor::GetTailSamples{.instance_id = instance_id()});
 }
 
+tresult PLUGIN_API Vst3PluginProxyImpl::setAutomationState(int32 state) {
+    // TODO: Implement
+    bridge.logger.log(
+        "TODO: Implyement IAutomationState::setAutomationState()");
+    return Steinberg::kNotImplemented;
+}
+
 tresult PLUGIN_API
 Vst3PluginProxyImpl::getControllerClassId(Steinberg::TUID classId) {
     if (classId) {
diff --git a/src/plugin/bridges/vst3-impls/plugin-proxy.h b/src/plugin/bridges/vst3-impls/plugin-proxy.h
index d30512b3..1ac819c5 100644
--- a/src/plugin/bridges/vst3-impls/plugin-proxy.h
+++ b/src/plugin/bridges/vst3-impls/plugin-proxy.h
@@ -78,6 +78,9 @@ class Vst3PluginProxyImpl : public Vst3PluginProxy {
     tresult PLUGIN_API process(Steinberg::Vst::ProcessData& data) override;
     uint32 PLUGIN_API getTailSamples() override;
 
+    // From `IAutomationState`
+    tresult PLUGIN_API setAutomationState(int32 state) override;
+
     // From `IComponent`
     tresult PLUGIN_API getControllerClassId(Steinberg::TUID classId) override;
     tresult PLUGIN_API setIoMode(Steinberg::Vst::IoMode mode) override;