midi channel selection yeah :) - midi send message no :(

2024-10-19 04:08:46 +02:00
parent d1542870d5
commit 0d942b6677
4 changed files with 102 additions and 27 deletions
@@ -25,30 +25,22 @@
 #include "raygui/raygui.h"
 #include "raygui/dark/style_dark.h"

-#include "libremidi/libremidi.hpp"
-#include "libremidi/message.hpp"
-#include "libremidi/observer_configuration.hpp"
-
 #include <cstdlib>
 #include <stdio.h>
 #include <cmath>

+#include "midi.h"
 #include "node.h"
 #include "signal.h"

 #include "connection-manager.h"

-libremidi::observer obs;
-std::vector<libremidi::midi_out> midi_outs;
-libremidi::midi_out midi_out;
-
-std::vector<libremidi::input_port> midi_in_ports;
-std::vector<libremidi::output_port> midi_out_ports;
-
 std::vector<Node> nodes;
 std::vector<Signal> signals;
 ConnectionManager cm;

+Midi midi;
+
 Vec2D<float> mouse_pos;
 Vec2D<float> drag_start;

@@ -79,7 +71,7 @@ int main(){
 	app.width = GetMonitorWidth(monitor);
 	app.height = GetMonitorHeight(monitor);

-    Camera2D camera = { 0 };
+    Camera2D camera = { {0} };
    camera.target = (Vector2){ app.width/2.0f, app.height/2.0f };
    camera.offset = (Vector2){ app.width/2.0f, app.height/2.0f };
    camera.rotation = 0.0f;
@@ -89,17 +81,9 @@ int main(){

 	ToggleFullscreen();

-	for(const libremidi::input_port& port : obs.get_input_ports()){
-		midi_in_ports.push_back(port);
-	}
-	
-	for(const libremidi::output_port& port : obs.get_output_ports()){
-		midi_out_ports.push_back(port);
-	}

 	for(int i = 0; i < 10; i++){
 		nodes.emplace(nodes.end(), Node((float)(rand() % app.width*0.5 + app.width*0.25), (float)(rand() % app.height*0.5 + app.height*0.25), 15.0f));
-
 		std::cout << nodes.back().position.x << " " << nodes.back().position.y << std::endl;
 	}
 	
@@ -109,8 +93,6 @@ int main(){
 		signals[i].last = &nodes.front();
 	}
 	
-	midi_out.open_port(midi_out_ports[2]);
-
 	Vec2D<float> drag_offset;

 	Node* connecting_from = nullptr;
@@ -208,11 +190,13 @@ int main(){
 					s.direction = (s.next->position - s.position).norm();
 					if(s.position.dist(&s.next->position) < s.speed * 1.5) {
 						Node* n = cm.next(s.next, s.last);
+						
 						if(n != s.next && n != nullptr) {
+							midi.note(s.next->midi_out, 1, 50, 50, 500);	
 							s.last = s.next;
 							s.next = n;
-							std::cout << s.last << " " << s.next << std::endl;
-							midi_out.send_message(libremidi::channel_events::control_change(2, 10, 50));
+							//std::cout << s.last << " " << s.next << std::endl;
+							//midi_out.send_message(libremidi::channel_events::control_change(2, 10, 50));
 						}
 					}
 					s.draw(&mouse_pos);
@@ -229,10 +213,18 @@ int main(){
 			
 			for(auto& n : nodes){
 				if(n.config){
-					n.config = !GuiWindowBox((Rectangle){n.position.x + 10, n.position.y + 10,200,300}, "config");
+					n.config = !GuiWindowBox((Rectangle){n.position.x + 10, n.position.y + 10,240,300}, "config");
 					int option = n.mode;
-		            GuiComboBox((Rectangle){ n.position.x + 20, n.position.y + 40, 200, 20 }, "Round Robin;Random", &option);
+		            GuiComboBox((Rectangle){ n.position.x + 20, n.position.y + 40, 220, 20 }, "Round Robin;Random", &option);
 					n.mode = (Distribution)option;
+					std::string toggle_out_ports = "";
+					for(auto& mo : midi.midi_out_ports){
+						toggle_out_ports += mo.port_name + "\n";
+					}
+					toggle_out_ports = toggle_out_ports.substr(0, toggle_out_ports.size()-2);
+					GuiLabel((Rectangle){n.position.x + 20, n.position.y + 60, 220, 20}, "MIDI OUT");
+					GuiToggleGroup((Rectangle){n.position.x + 20, n.position.y + 80, 220, 20}, toggle_out_ports.c_str(), &n.midi_out);
+					if(GuiButton((Rectangle){n.position.x + 20, n.position.y + 100 + midi.midi_out_ports.size()*20, 220, 20}, "OPEN PORT")) midi.open_midi_out(n.midi_out);
 				}
 			}

@@ -0,0 +1,72 @@
+#pragma once
+
+#include "libremidi/libremidi.hpp"
+#include "libremidi/message.hpp"
+#include "libremidi/observer_configuration.hpp"
+#include "raylib.h"
+
+#include <iostream>
+#include <memory>
+#include <ostream>
+
+
+struct NoteTimer{
+	int midi_out;
+	int channel;
+	int note;
+	int velocity;
+	int start;
+	int length;
+};
+
+
+class Midi {
+
+	public:
+		Midi() {
+
+			for(const libremidi::input_port& port : obs.get_input_ports()){
+				midi_in_ports.push_back(port);
+			}
+			
+			for(const libremidi::output_port& port : obs.get_output_ports()){
+				midi_out_ports.push_back(port);
+			}
+			std::cout << midi_out_ports.size() << std::endl;
+		}
+
+		libremidi::observer obs;
+
+		std::vector<std::shared_ptr<libremidi::midi_out>> midi_outs;
+		std::vector<libremidi::input_port> midi_in_ports;
+		std::vector<libremidi::output_port> midi_out_ports;
+
+		std::vector<NoteTimer> notes;
+
+		float timer;
+
+		void open_midi_out(int midi_n){
+			std::cout << midi_n << std::endl;
+
+			auto out = std::make_shared<libremidi::midi_out>();
+			out->open_port(midi_out_ports[midi_n]);
+			midi_outs.push_back(out);
+		}
+
+		void note(int midi_out, int channel, int note, int velocity, int length){
+			midi_outs[midi_out]->send_message(libremidi::channel_events::note_on(channel, note, velocity));
+			notes.emplace_back(midi_out, channel, note, velocity, GetTime(), length);
+		}
+
+		void update(){
+			float time = GetTime();
+			for( auto it = notes.begin(); it != notes.end(); ++it){
+				if(time - it->start > ((float)it->length / 1000.0f)){
+					midi_outs[it->midi_out]->send_message(libremidi::channel_events::note_off(it->channel, it->note, it->velocity));
+					notes.erase(it);
+				}
+			}
+		}
+};
+
+
@@ -5,7 +5,9 @@
 class Movable{

 	public:
-	Movable(){}
+	Movable() {}
+	virtual ~Movable() {}
+
 	Movable(Vec2D<float> p, Vec2D<float> d, float s) : speed(s), position(p), direction(d) {}
 	Movable(Vec2D<float> p, float s) : speed(s), position(p) {}

@@ -25,9 +25,18 @@ class Node : public Movable{

 	int midi_note = 0;
 	int midi_cc = 0;
+	int midi_gate = 0;

 	Distribution mode = Distribution::ROUNDROBIN;

+	void note() {
+		
+	}
+	
+	void cc() {
+		
+	}
+
 	void draw(Vec2D<float> *mouse) {
 		if(!hover_move) DrawCircle(position.x, position.y, radius, (Color){180, 210, 115, 255});
 		if(hover_move) DrawCircle(position.x, position.y, radius, (Color){108, 153, 187, 255});