Add support for a master speed MIDI light.

[nageru] / futatabi / midi_mapper.cpp

diff --git a/futatabi/midi_mapper.cpp b/futatabi/midi_mapper.cpp
index 63b21e44fa7c6fb53c089caa89d4a42686a51cd4..c675820fb3a40ef3a3244818a0fdb249a5460858 100644 (file)
--- a/futatabi/midi_mapper.cpp
+++ b/futatabi/midi_mapper.cpp
@@ -8,6 +8,7 @@
 #include <google/protobuf/io/zero_copy_stream_impl.h>
 #include <google/protobuf/message.h>
 #include <google/protobuf/text_format.h>
+#include <math.h>
 #include <pthread.h>
 #include <poll.h>
 #include <stdint.h>
@@ -206,7 +207,7 @@ void MIDIMapper::refresh_lights()
 
 void MIDIMapper::update_lights_lock_held()
 {
-       map<unsigned, uint8_t> active_lights;  // Desired state.
+       map<MIDIDevice::LightKey, uint8_t> active_lights;  // Desired state.
        if (current_controller_bank == 0) {
                activate_mapped_light(*mapping_proto, MIDIMappingProto::kBank1IsSelectedFieldNumber, &active_lights);
        }
@@ -222,8 +223,10 @@ void MIDIMapper::update_lights_lock_held()
        if (current_controller_bank == 4) {
                activate_mapped_light(*mapping_proto, MIDIMappingProto::kBank5IsSelectedFieldNumber, &active_lights);
        }
-       if (preview_enabled_light) {
-               activate_mapped_light(*mapping_proto, MIDIMappingProto::kPreviewEnabledFieldNumber, &active_lights);
+       if (preview_enabled_light == On) {  // Playing.
+               activate_mapped_light(*mapping_proto, MIDIMappingProto::kPreviewPlayingFieldNumber, &active_lights);
+       } else if (preview_enabled_light == Blinking) {  // Preview ready.
+               activate_mapped_light(*mapping_proto, MIDIMappingProto::kPreviewReadyFieldNumber, &active_lights);
        }
        if (queue_enabled_light) {
                activate_mapped_light(*mapping_proto, MIDIMappingProto::kQueueEnabledFieldNumber, &active_lights);
@@ -243,9 +246,18 @@ void MIDIMapper::update_lights_lock_held()
                activate_mapped_light(camera, CameraMIDIMappingProto::kIsCurrentFieldNumber, &active_lights);
        }
 
+       // Master speed light.
+       if (mapping_proto->has_master_speed_light()) {
+               unsigned controller = mapping_proto->master_speed_light().controller_number();
+               unsigned min = mapping_proto->master_speed_light_min();
+               unsigned max = mapping_proto->master_speed_light_max();
+               int speed_light_value = lrintf((max - min - 1) * current_speed / 2.0f) + min;
+               active_lights[MIDIDevice::LightKey{MIDIDevice::LightKey::CONTROLLER, controller}] = speed_light_value;
+       }
+
        // These are always enabled right now.
-       activate_mapped_light(*mapping_proto, MIDIMappingProto::kCueInFieldNumber, &active_lights);
-       activate_mapped_light(*mapping_proto, MIDIMappingProto::kCueOutFieldNumber, &active_lights);
+       activate_mapped_light(*mapping_proto, MIDIMappingProto::kCueInEnabledFieldNumber, &active_lights);
+       activate_mapped_light(*mapping_proto, MIDIMappingProto::kCueOutEnabledFieldNumber, &active_lights);
 
        midi_device.update_lights(active_lights);
 }