viseq/src/connector.h

#pragma once

#include "connectable.h"
#include "datatypes.h"
#include "graph-item.h"
#include "moveable.h"
#include "raymath.h"
#include "state.h"
#include "vmath.h"

namespace VISEQ::GRAPH {
	class Connector : public BASE::Connectable, public GraphItem{
		public:
			using BASE::Movable::state;

			Connector() {}
			Connector(std::shared_ptr<GraphItem> parent, Vec2Df center_position, float orbit) : orbit(orbit) {
				setPosition(center_position);
				setParent(parent);
			}
			
			GraphItemType getType() override{
				return GraphItemType::CONNECTOR;
			}

			std::shared_ptr<GraphItem> parent;
		
			bool hover_connect = false;

			float radius = 5.0f;
			float orbit = 14.0f;
			Vec2Df center_position;
			
			std::shared_ptr<Connectable> getPtr(){
				return std::static_pointer_cast<Connector>(shared_from_this());
			}

			virtual bool hovering() override {
				return CheckCollisionPointCircle(SCREEN_MOUSE, position, radius);
			}

			void setParent(std::shared_ptr<GraphItem> _parent){
				parent = _parent;
			}

			void setPosition(Vec2Df pos) override {
				center_position = pos;
				if(!partner) position = center_position - ((center_position - SCREEN_MOUSE)).norm() * (radius + orbit);
				if(partner) position = center_position - ((center_position - partner->position)).norm() * (radius + orbit);
			}

			void update() override {
				if(hovering() && clicked()) state->pushEvent({getPtr(), APP::Interaction::PICKUP});
				if(pickedUp()) state->pushEvent({getPtr(), APP::Interaction::DRAG});
				if(picked_up && released()) state->pushEvent({getPtr(), APP::Interaction::PUTDOWN});
			}

			void draw() override {
				float opacity = 150.0f - Clamp(position.dist(SCREEN_MOUSE), 0.0f, 150.0f);
				
				if(partner){
					DrawLineV(position, partner->position, VS_COLOR_RED);
				}
				
				if(hover_connect){
					DrawCircle(position.x, position.y, 8.0f, (Color){108, 153, 187, 255});
				} else {
					DrawCircle(position.x, position.y, 8.0f, (Color){108, 153, 187, (unsigned char)opacity});
				}

			}
	};
}