frogger/GraphicObject.cpp at main · msayers1/frogger · GitHub

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//
//  GraphicObject.cpp
//  Template Project
//
//  Created by Jean-Yves Hervé on 2023-10-05.
//

#include <iostream>
#include "glPlatform.h"
#include "GraphicObject.h"

using namespace earshooter;
using namespace std;

bool GraphicObject::drawAbsoluteBoxes_ = false;
bool GraphicObject::drawRelativeBoxes_ = false;


GraphicObject::GraphicObject(float x, float y, float angle)
	:	Object(x, y, angle),
		absoluteBox_(nullptr),
		relativeBox_(nullptr)
{}

GraphicObject::GraphicObject(const WorldPoint& pt, float angle)
	:	Object(pt, angle),
		absoluteBox_(nullptr),
		relativeBox_(nullptr)
{}

void GraphicObject::draw() const
{
	draw_();

	//	Unfortunately, we are back in the parent reference frame, so we need to
	//	apply the object's relative transformation again
	if (drawAbsoluteBoxes_)
	{
		// forces an update of the box
		getAbsoluteBox();

		glPushMatrix();
		glTranslatef(getX(), getY(), 0.f);
		//	no rotation for the absolute box
		absoluteBox_->draw();
		glPopMatrix();
	}
	if (drawRelativeBoxes_ && relativeBox_ != nullptr)
	{
		glPushMatrix();
		glTranslatef(getX(), getY(), 0.f);
		glRotatef(getAngle(), 0.f, 0.f, 1.f);
		relativeBox_->draw();
		glPopMatrix();
	}
}

void GraphicObject::setAbsoluteBoundingBox_(float xmin, float xmax, float ymin, float ymax) const
{
	if (absoluteBox_ != nullptr)
	{
		absoluteBox_->setDimensions(xmin, xmax, ymin, ymax);
	}
	else
	{
		absoluteBox_ = make_shared<BoundingBox>(xmin, xmax, ymin, ymax);
	}
}

void GraphicObject::setAbsoluteBoundingBox_(const WorldPoint& cornerUL, const WorldPoint& cornerLR) const
{
	if (absoluteBox_ != nullptr)
	{
		absoluteBox_->setDimensions(cornerUL, cornerLR);
	}
	else
	{
		absoluteBox_ = make_shared<BoundingBox>(cornerUL, cornerLR);
	}
}

void GraphicObject::setRelativeBoundingBox_(float xmin, float xmax, float ymin, float ymax) const
{
	if (relativeBox_ != nullptr)
	{
		relativeBox_->setDimensions(xmin, xmax, ymin, ymax);
	}
	else
	{
		relativeBox_ = make_shared<BoundingBox>(xmin, xmax, ymin, ymax);
	}
}

void GraphicObject::setRelativeBoundingBox_(const WorldPoint& cornerUL, const WorldPoint& cornerLR) const
{
	if (relativeBox_ != nullptr)
	{
		relativeBox_->setDimensions(cornerUL, cornerLR);
	}
	else
	{
		relativeBox_ = make_shared<BoundingBox>(cornerUL, cornerLR);
	}
}


void GraphicObject::setAbsoluteBoundingBoxColor_(ColorIndex color) const
{
	if (absoluteBox_ != nullptr)
	{
		absoluteBox_->setColor(color);
	}
}

void GraphicObject::setRelativeBoundingBoxColor_(ColorIndex color) const
{
	if (relativeBox_ != nullptr)
	{
		relativeBox_->setColor(color);
	}
}

const std::shared_ptr<BoundingBox> GraphicObject::getAbsoluteBox() const
{
	if (absoluteBox_ == nullptr)
		absoluteBox_ = make_shared<BoundingBox>();

	updateAbsoluteBox_();

	return absoluteBox_;
}