#pragma once

namespace Sprites {

	using namespace System;
	using namespace System::ComponentModel;
	using namespace System::Collections;
	using namespace System::Windows::Forms;
	using namespace System::Data;
	using namespace System::Drawing;


	class CImagen
	{
	protected:
		Rectangle areaDibujo;
	public:
		CImagen(Rectangle area) {
			areaDibujo = area;
		}
		~CImagen();
		virtual void dibujar(Graphics^ g, Bitmap^ img) {
			g->DrawImage(img, areaDibujo);
		}
	};

	class CSprite :
		public CImagen
	{
		short indice;
		short nroSubimagenes;
	public:
		CSprite(Rectangle area, short nroSubi)
			: CImagen(area) {
			nroSubimagenes = nroSubi;
			indice = 0;
		}
		void dibujar(Graphics^ g, Bitmap^ img) {
			Rectangle areaRecorte = getAreaRecorte(img);
			g->DrawImage(img, areaDibujo, areaRecorte, GraphicsUnit::Pixel);
			indice++;
			if (indice == nroSubimagenes) indice = 0;
		}
	private:
		Rectangle getAreaRecorte(Bitmap^ img) {
			short ancho = img->Width / 8;
			short alto = img->Height;
			short x = indice * ancho;
			short y = 0;
			return Rectangle(x, y, ancho, alto);
		}
	};

	public ref class MyForm : public System::Windows::Forms::Form
	{
		BufferedGraphics^ buffer;
	private: System::Windows::Forms::Timer^  timer;
			 Bitmap^ imgEscenario;
			 CImagen* escenario;
			 Bitmap^ imgHombre;
			 CSprite* hombre;
	public:
		MyForm(void)
		{
			InitializeComponent();
			buffer = BufferedGraphicsManager::Current->Allocate(this->CreateGraphics(), this->ClientRectangle);
			imgEscenario = gcnew Bitmap("imagenes//paisaje.jpg");
			escenario = new CImagen(this->ClientRectangle);
			imgHombre = gcnew Bitmap("imagenes//capguy-walk.png");
			hombre = new CSprite(Rectangle(100, 300, 100, 200), 8);
		}

	protected:
		~MyForm()
		{
			if (components)
			{
				delete components;
			}
			delete imgEscenario;
			delete imgHombre;
			delete escenario;
			delete hombre;
		}
	private: System::ComponentModel::IContainer^  components;
	protected:

	private:
		/// <summary>
		/// Variable del diseñador necesaria.
		/// </summary>


#pragma region Windows Form Designer generated code
		/// <summary>
		/// Método necesario para admitir el Diseñador. No se puede modificar
		/// el contenido de este método con el editor de código.
		/// </summary>
		void InitializeComponent(void)
		{
			this->components = (gcnew System::ComponentModel::Container());
			this->timer = (gcnew System::Windows::Forms::Timer(this->components));
			this->SuspendLayout();
			//
			// timer
			//
			this->timer->Enabled = true;
			this->timer->Tick += gcnew System::EventHandler(this, &MyForm::animar);
			//
			// MyForm
			//
			this->AutoScaleDimensions = System::Drawing::SizeF(8, 16);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(986, 617);
			this->Name = L"MyForm";
			this->Text = L"MyForm";
			this->ResumeLayout(false);

		}
#pragma endregion
	private: System::Void animar(System::Object^  sender, System::EventArgs^  e) {
		escenario->dibujar(buffer->Graphics,imgEscenario);
		hombre->dibujar(buffer->Graphics, imgHombre);
		buffer->Render();
	}
	};
}