#include "stdafx.h"
#include "SoftBodyWindow.h"

using namespace wi::ecs;
using namespace wi::scene;

void SoftBodyWindow::Create(EditorComponent* _editor)
{
	editor = _editor;
	wi::gui::Window::Create(ICON_SOFTBODY " Soft Body Physics", wi::gui::Window::WindowControls::COLLAPSE | wi::gui::Window::WindowControls::CLOSE);
	SetSize(XMFLOAT2(580, 200));

	closeButton.SetTooltip("Delete MeshComponent");
	OnClose([=](wi::gui::EventArgs args) {

		wi::Archive& archive = editor->AdvanceHistory();
		archive << EditorComponent::HISTORYOP_COMPONENT_DATA;
		editor->RecordEntity(archive, entity);

		editor->GetCurrentScene().softbodies.Remove(entity);

		editor->RecordEntity(archive, entity);

		editor->optionsWnd.RefreshEntityTree();
		});

	float x = 95;
	float y = 0;
	float hei = 18;
	float step = hei + 2;
	float wid = 170;

	infoLabel.Create("");
	infoLabel.SetText("Soft body physics must be used together with a MeshComponent, otherwise it will have no effect.\nYou can use the Paint Tool to pin or soften soft body vertices.");
	infoLabel.SetSize(XMFLOAT2(100, 90));
	AddWidget(&infoLabel);

	massSlider.Create(0, 10, 1, 100000, "Mass: ");
	massSlider.SetTooltip("Set the mass amount for the physics engine.");
	massSlider.SetSize(XMFLOAT2(wid, hei));
	massSlider.SetPos(XMFLOAT2(x, y));
	massSlider.OnSlide([&](wi::gui::EventArgs args) {
		SoftBodyPhysicsComponent* physicscomponent = editor->GetCurrentScene().softbodies.GetComponent(entity);
		if (physicscomponent != nullptr)
		{
			physicscomponent->physicsobject = {};
			physicscomponent->mass = args.fValue;
		}
		});
	AddWidget(&massSlider);

	frictionSlider.Create(0, 1, 0.5f, 100000, "Friction: ");
	frictionSlider.SetTooltip("Set the friction amount for the physics engine.");
	frictionSlider.SetSize(XMFLOAT2(wid, hei));
	frictionSlider.SetPos(XMFLOAT2(x, y += step));
	frictionSlider.OnSlide([&](wi::gui::EventArgs args) {
		SoftBodyPhysicsComponent* physicscomponent = editor->GetCurrentScene().softbodies.GetComponent(entity);
		if (physicscomponent != nullptr)
		{
			physicscomponent->physicsobject = {};
			physicscomponent->friction = args.fValue;
		}
		});
	AddWidget(&frictionSlider);

	restitutionSlider.Create(0, 1, 0, 100000, "Restitution: ");
	restitutionSlider.SetTooltip("Set the restitution amount for the physics engine.");
	restitutionSlider.SetSize(XMFLOAT2(wid, hei));
	restitutionSlider.SetPos(XMFLOAT2(x, y += step));
	restitutionSlider.OnSlide([&](wi::gui::EventArgs args) {
		SoftBodyPhysicsComponent* physicscomponent = editor->GetCurrentScene().softbodies.GetComponent(entity);
		if (physicscomponent != nullptr)
		{
			physicscomponent->physicsobject = {};
			physicscomponent->restitution = args.fValue;
		}
		});
	AddWidget(&restitutionSlider);



	SetMinimized(true);
	SetVisible(false);

	SetEntity(INVALID_ENTITY);
}

void SoftBodyWindow::SetEntity(Entity entity)
{
	this->entity = entity;

	Scene& scene = editor->GetCurrentScene();

	const SoftBodyPhysicsComponent* physicscomponent = scene.softbodies.GetComponent(entity);
	if (physicscomponent != nullptr)
	{
		massSlider.SetValue(physicscomponent->mass);
		frictionSlider.SetValue(physicscomponent->friction);
		restitutionSlider.SetValue(physicscomponent->restitution);
	}
}

void SoftBodyWindow::ResizeLayout()
{
	wi::gui::Window::ResizeLayout();
	const float padding = 4;
	const float width = GetWidgetAreaSize().x;
	float y = padding;
	float jump = 20;

	const float margin_left = 120;
	const float margin_right = 40;

	auto add = [&](wi::gui::Widget& widget) {
		if (!widget.IsVisible())
			return;
		widget.SetPos(XMFLOAT2(margin_left, y));
		widget.SetSize(XMFLOAT2(width - margin_left - margin_right, widget.GetScale().y));
		y += widget.GetSize().y;
		y += padding;
	};
	auto add_right = [&](wi::gui::Widget& widget) {
		if (!widget.IsVisible())
			return;
		widget.SetPos(XMFLOAT2(width - margin_right - widget.GetSize().x, y));
		y += widget.GetSize().y;
		y += padding;
	};
	auto add_fullwidth = [&](wi::gui::Widget& widget) {
		if (!widget.IsVisible())
			return;
		const float margin_left = padding;
		const float margin_right = padding;
		widget.SetPos(XMFLOAT2(margin_left, y));
		widget.SetSize(XMFLOAT2(width - margin_left - margin_right, widget.GetScale().y));
		y += widget.GetSize().y;
		y += padding;
	};

	add_fullwidth(infoLabel);
	add(massSlider);
	add(frictionSlider);
	add(restitutionSlider);

}