viseq/src/midi-node.h

#pragma once

#include "datatypes.h"
#include "node.h"
#include "raymath.h"
#include <map>

#define RADIUS 14.0f

namespace VISEQ::GRAPH::NODES {

	class MidiNode : public Node{
	
		public:
		
		struct NodeMidiOut{
			int i;
			std::string name;
			bool enabled;
		};

		MidiNode() {}
		MidiNode(Vec2Df position) : Node(position) {}

		NodeType nodeType = NodeType::MIDINODE;

		bool send_note = true;
		bool send_cc = false;
		bool send_pc = false;
		bool send_pitch_bend = false;

		int midi_out = -1;
		
		std::map<int, NodeMidiOut> midi_outs;

		bool gui_midi_channel_edit = false;
		bool gui_midi_note_edit = false;
		bool gui_midi_velocity_edit = false;
		bool gui_midi_gate_edit = false;
		
		bool triggered = false;

		int mode = 0;

		int midi_note_channel = 1;
		int midi_note = 48;
		int midi_velocity = 60;
		int midi_gate = 25; // gate time in milliseconds

		int midi_cc_channel = 0;
		int midi_cc = 0;
		int midi_cc_value = 0;

		int midi_pc_channel = 0;
		int midi_pc = 0;
		int midi_pc_value = 0;
		
		int midi_pitch_bend_channel = 0;
		int midi_pitch_bend = 8192;

		float start = 0;
		float fade = 0;
		float time = 0;
		float last = 0;

		virtual NodeType getNodeType() const override {return nodeType;}

		void setMidiPort(int midi_port, bool state){
			midi_outs[midi_port].enabled = state;
		}

		void trigger() override {
			triggered = true;
			start = GetTime();
			fade = midi_gate;
		}

		void SMode(int _mode) override{
			mode = _mode;
		}

		int Ggate(){
			return midi_gate;
		}

		void draw(Vec2Df mouse, Camera2D cam) override {
			last = time;
			time = GetTime();
			if(time - start >= (float)midi_gate / 1000.0f){
				triggered = false;
				fade = 0;
			} else {
				fade -= (time - last)*1000.0f;
			}

			DrawRing(position, radius, radius+4, 0, 360, 24, (Color){60, 60, 60, 255});
			DrawRing(position, radius, radius+4, 0.0f - 90.0f, (360.0f/127.0f) * midi_velocity - 90.0f, 24, (Color){158, 134, 200, 255});
			DrawCircleLinesV(position, radius + 4, (Color){100, 100, 100, 255});

			float midi_gate_map = round((255.f / midi_gate) * fade);

			Color gate_color = VS_COLOR_GREEN;

			switch(mode){
				case 0:{
					gate_color = ColorAlphaBlend(VS_COLOR_RED, (Color){180, 210, 115, (unsigned char)Clamp(255 - midi_gate_map, 0, 255)}, WHITE);
					break;}
				case 1:{
					gate_color = ColorAlphaBlend(VS_COLOR_RED, (Color){229, 181, 103, (unsigned char)Clamp(255 - midi_gate_map, 0, 255)}, WHITE);
					break;}
				case 2:{
					gate_color = ColorAlphaBlend(VS_COLOR_RED, (Color){232, 125, 62, (unsigned char)Clamp(255 - midi_gate_map, 0, 255)}, WHITE);
					break;}
			}
			if(!dragging && !selected && !in_rect && !hovering) DrawCircle(position.x, position.y, radius, gate_color);
			if(selected || dragging || in_rect || hovering) DrawCircle(position.x, position.y, radius, (Color){108, 153, 187, 255});

			if(distributionMode == Distribution::RANDOM) DrawCircle(position.x, position.y, radius/2.0f, VS_COLOR_PINK);
			if(distributionMode == Distribution::ROUNDROBIN) DrawCircle(position.x, position.y, radius/2.0f, VS_COLOR_YELLOW);
			
			if(selected) DrawCircleLinesV(position, radius+8, (Color){158, 255, 210, 255});
				
			if(IsKeyDown(KEY_LEFT_ALT)){
				float value = 0;
				int offset_gate = 0;
				switch(mode){
					case 0:
						value = (float)midi_gate/1000.0f;
						offset_gate = MeasureText(std::format("{:.2f}", value).c_str(), 12);
						DrawText(std::format("{:.2f}",value).c_str(), position.x-offset_gate/2.0f, position.y-5, 12, WHITE );
						break;
					case 1:
						value = (float)midi_cc_value;
						offset_gate = MeasureText(std::format("{}", value).c_str(), 12);
						DrawText(std::format("{}",value).c_str(), position.x-offset_gate/2.0f, position.y-5, 12, WHITE );
						break;
					case 2:
						value = (float)midi_pitch_bend;
						offset_gate = MeasureText(std::format("{}", value).c_str(), 12);
						DrawText(std::format("{}",value).c_str(), position.x-offset_gate/2.0f, position.y-5, 12, WHITE );
						break;
				}
			} else {
				switch(mode){
					case 0:{
						int offset = MeasureText(MIDI::Notes[(int)midi_note].c_str(), 12);
						DrawText(MIDI::Notes[midi_note].c_str(), position.x-offset/2.0f, position.y-5, 12, WHITE );
						break;}
					case 1:{
						int offset = MeasureText(std::format("{}", midi_cc).c_str(), 12);
						DrawText(std::format("{}", midi_cc).c_str(), position.x-offset/2.0f, position.y-5, 12, WHITE );
						break;}
					case 2:{
						int offset = MeasureText(std::format("{}", midi_pitch_bend).c_str(), 12);
						DrawText(std::format("{}", midi_pitch_bend).c_str(), position.x-offset/2.0f, position.y-5, 12, WHITE );
						break;}
				}
			}

			Vec2Df connector = position - ((position - mouse)).norm() * (radius + RADIUS);
			float opacity = 150.0f - Clamp(position.dist(mouse), 0.0f, 150.0f);
			
			if(hover_connect){
				DrawCircle(connector.x, connector.y, 8.0f, (Color){108, 153, 187, 255});
			} else {
				DrawCircle(connector.x, connector.y, 8.0f, (Color){108, 153, 187, (unsigned char)opacity});
			}
			if(highlighted) DrawCircleLinesV(position, radius+2, (Color){255, 0, 0, 200});
			DrawText(std::format("{}", id).c_str(), position.x + 20.0f, position.y + 20.0f, 10, WHITE);
		}
	};
}