axmol/tests/cpp-tests/Classes/Box2DTestBed/Box2DTestBed.cpp

/****************************************************************************
 * Copyright (c) 2021 @aismann; Peter Eismann, Germany; dreifrankensoft

 http://www.cocos2d-x.org

 Permission is hereby granted, free of charge, to any person obtaining a copy
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 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 THE SOFTWARE.
 ****************************************************************************/

#include "Box2DTestBed.h"
#include "CCPhysicsDebugNodeBox2D.h"
#include "test.h"
 //#include "renderer/CCRenderer.h"

USING_NS_CC;

#define kAccelerometerFrequency 30
#define FRAMES_BETWEEN_PRESSES_FOR_DOUBLE_CLICK 10

extern int g_testCount;

Settings settings;


enum
{
	kTagBox2DNode,
};

extern cocos2d::DrawNode* drawBox2D;


Box2DTestBedTests::Box2DTestBedTests()
{
	for (int entryId = 0; entryId < g_testCount; ++entryId)
	{
		addTestCase(g_testEntries[entryId].name, [entryId]() {
			return Box2DTestBed::createWithEntryID(entryId);
			});
	}
}

//------------------------------------------------------------------
//
// Box2dTestBed
//
//------------------------------------------------------------------

Box2DTestBed::Box2DTestBed()
{

}

Box2DTestBed::~Box2DTestBed()
{
	_eventDispatcher->removeEventListener(_touchListener);
}

Box2DTestBed* Box2DTestBed::createWithEntryID(int entryId)
{
	auto layer = new (std::nothrow) Box2DTestBed();
	layer->initWithEntryID(entryId);
	layer->autorelease();

	return layer;
}

bool Box2DTestBed::initWithEntryID(int entryId)
{
	if (!TestCase::init())
	{
		return false;
	}
	auto director = Director::getInstance();
	Vec2 visibleOrigin = director->getVisibleOrigin();
	Size visibleSize = director->getVisibleSize();

	m_entryID = entryId;

	Box2DView* view = Box2DView::viewWithEntryID(entryId);
	addChild(view, 0, kTagBox2DNode);
	view->setScale(15);
	view->setAnchorPoint(Vec2(0, 0));
	view->setPosition(visibleOrigin.x + visibleSize.width / 2, visibleOrigin.y + visibleSize.height / 3);
	auto label = Label::createWithTTF(view->title().c_str(), "fonts/arial.ttf", 28);
	addChild(label, 1);
	label->setPosition(visibleOrigin.x + visibleSize.width / 2, visibleOrigin.y + visibleSize.height - 50);

	// Adds touch event listener
	auto listener = EventListenerTouchOneByOne::create();
	listener->setSwallowTouches(true);

	listener->onTouchBegan = CC_CALLBACK_2(Box2DTestBed::onTouchBegan, this);
	listener->onTouchMoved = CC_CALLBACK_2(Box2DTestBed::onTouchMoved, this);

	_eventDispatcher->addEventListenerWithFixedPriority(listener, 1);

	_touchListener = listener;

	addChild(drawBox2D, 100);
	//this->createResetButton();

	return true;
}

bool Box2DTestBed::onTouchBegan(Touch* touch, Event* event)
{
	return true;
}

void Box2DTestBed::onTouchMoved(Touch* touch, Event* event)
{
	auto diff = touch->getDelta();
	auto node = getChildByTag(kTagBox2DNode);
	auto currentPos = node->getPosition();
	node->setPosition(currentPos + diff);
}

//void Box2DTestBed::createResetButton() {
//	auto reset = MenuItemImage::create("Images/r1.png", "Images/r2.png", CC_CALLBACK_1(Box2DTestBed::reset, this));
//	auto menu = Menu::create(reset, nullptr);
//	menu->setPosition(VisibleRect::center().x, VisibleRect::bottom().y + 40);
//	this->addChild(menu, -1);
//}
//
//void Box2DTestBed::reset(Ref* sender) {
//	getTestSuite()->restartCurrTest();
//}
//
//void Box2DTestBed::onEnter() {
//	TestCase::onEnter();
//	// physicsDebugNodeOffset = VisibleRect::center();
//	 //physicsDebugNodeOffset.y += 20;
//	 //ChipmunkDemoMessageString = "";
//	 //label->setString("");
//}

//------------------------------------------------------------------
//
// Box2DView
//
//------------------------------------------------------------------
Box2DView::Box2DView(void)
{
}

Box2DView* Box2DView::viewWithEntryID(int entryId)
{
	Box2DView* pView = new (std::nothrow) Box2DView();

	pView->initWithEntryID(entryId);
	pView->autorelease();

	return pView;
}

bool Box2DView::initWithEntryID(int entryId)
{
	m_entry = g_testEntries + entryId;
	m_test = m_entry->createFcn();


	// Adds Touch Event Listener
	auto listener = EventListenerTouchOneByOne::create();
	listener->setSwallowTouches(true);

	listener->onTouchBegan = CC_CALLBACK_2(Box2DView::onTouchBegan, this);
	listener->onTouchMoved = CC_CALLBACK_2(Box2DView::onTouchMoved, this);
	listener->onTouchEnded = CC_CALLBACK_2(Box2DView::onTouchEnded, this);

	_eventDispatcher->addEventListenerWithFixedPriority(listener, -10);
	_touchListener = listener;

	auto keyboardListener = EventListenerKeyboard::create();
	keyboardListener->onKeyPressed = CC_CALLBACK_2(Box2DView::onKeyPressed, this);
	keyboardListener->onKeyReleased = CC_CALLBACK_2(Box2DView::onKeyReleased, this);
	_eventDispatcher->addEventListenerWithFixedPriority(keyboardListener, -11);
	_keyboardListener = keyboardListener;

	return true;
}

std::string Box2DView::title() const
{
	std::string title = std::string(m_entry->category) + std::string(":") + std::string(m_entry->name);
	return title;
}


void Box2DView::draw(Renderer* renderer, const Mat4& transform, uint32_t flags)
{
	Layer::draw(renderer, transform, flags);

	_customCmd.init(_globalZOrder, transform, flags);
	_customCmd.func = CC_CALLBACK_0(Box2DView::onDraw, this, transform, flags);
	renderer->addCommand(&_customCmd);
	Director* director = Director::getInstance();
}

void Box2DView::onDraw(const Mat4& transform, uint32_t flags)
{
	Director* director = Director::getInstance();
	CCASSERT(nullptr != director, "Director is null when setting matrix stack");
	director->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
	director->loadMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW, transform);

	// GL::enableVertexAttribs( cocos2d::GL::VERTEX_ATTRIB_FLAG_POSITION );

	drawBox2D->clear();
	m_test->Step(&settings);
	m_test->m_world->DebugDraw();
	CHECK_GL_ERROR_DEBUG();

	director->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
}

Box2DView::~Box2DView()
{
	// Removes Touch Event Listener
	_eventDispatcher->removeEventListener(_touchListener);
	_eventDispatcher->removeEventListener(_keyboardListener);
	delete m_test;
}

bool Box2DView::onTouchBegan(Touch* touch, Event* event)
{
	auto touchLocation = touch->getLocation();

	auto nodePosition = convertToNodeSpace(touchLocation);
	log("Box2DView::onTouchBegan, pos: %f,%f -> %f,%f", touchLocation.x, touchLocation.y, nodePosition.x, nodePosition.y);

	return m_test->MouseDown(b2Vec2(nodePosition.x, nodePosition.y));
}

void Box2DView::onTouchMoved(Touch* touch, Event* event)
{
	auto touchLocation = touch->getLocation();
	auto nodePosition = convertToNodeSpace(touchLocation);

	log("Box2DView::onTouchMoved, pos: %f,%f -> %f,%f", touchLocation.x, touchLocation.y, nodePosition.x, nodePosition.y);

	m_test->MouseMove(b2Vec2(nodePosition.x, nodePosition.y));
}

void Box2DView::onTouchEnded(Touch* touch, Event* event)
{
	auto touchLocation = touch->getLocation();
	auto nodePosition = convertToNodeSpace(touchLocation);

	log("Box2DView::onTouchEnded, pos: %f,%f -> %f,%f", touchLocation.x, touchLocation.y, nodePosition.x, nodePosition.y);

	m_test->MouseUp(b2Vec2(nodePosition.x, nodePosition.y));
}

void Box2DView::onKeyPressed(EventKeyboard::KeyCode code, Event* event)
{
	log("Box2dView:onKeyPressed, keycode: %d", static_cast<int>(code));
	m_test->Keyboard(static_cast<unsigned char>(code));
}

void Box2DView::onKeyReleased(EventKeyboard::KeyCode code, Event* event)
{
	log("onKeyReleased, keycode: %d", static_cast<int>(code));
	m_test->KeyboardUp(static_cast<unsigned char>(code));
}