X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fmidi_mapper.cpp;h=1d5d79e4ba85e9d9388f73bd94ecdc60d7840281;hb=9921f1fe12f5a7dadab7e84069fa8591d5c5663d;hp=93e367a77aa1ad0987c1a0f40e38372f90c0f14f;hpb=f1a8ab7eb34a89a104093c3931b1d51fcb2684e6;p=nageru

diff --git a/futatabi/midi_mapper.cpp b/futatabi/midi_mapper.cpp
index 93e367a..1d5d79e 100644
--- 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>
@@ -245,6 +246,15 @@ 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) * 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::kCueInEnabledFieldNumber, &active_lights);
 	activate_mapped_light(*mapping_proto, MIDIMappingProto::kCueOutEnabledFieldNumber, &active_lights);