axmol/tests/cpp-tests/Classes/ChipmunkTestBed/ChipmunkTestBed.cpp

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 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

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#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <stdarg.h>

#include "chipmunk/chipmunk.h"

#include "ChipmunkTestBed.h"


USING_NS_CC;
USING_NS_CC_EXT;

enum {
    kTagParentNode = 1,
};

enum {
    Z_PHYSICS_DEBUG = 100,
};


extern int image_bitmap[];
extern cpSpace* initLogoSmash(void);
extern cpSpace* initPlink(void);
extern cpSpace* initPump(void);
extern cpSpace* initTumble(void);

#define GRABBABLE_MASK_BIT (1 << 31)
cpShapeFilter GRAB_FILTER          = {CP_NO_GROUP, GRABBABLE_MASK_BIT, GRABBABLE_MASK_BIT};
cpShapeFilter NOT_GRABBABLE_FILTER = {CP_NO_GROUP, ~GRABBABLE_MASK_BIT, ~GRABBABLE_MASK_BIT};



static void ShapeFreeWrap(cpSpace* space, cpShape* shape, void* unused) {
    cpSpaceRemoveShape(space, shape);
    cpShapeFree(shape);
}

static void PostShapeFree(cpShape* shape, cpSpace* space) {
    cpSpaceAddPostStepCallback(space, (cpPostStepFunc) ShapeFreeWrap, shape, NULL);
}

static void ConstraintFreeWrap(cpSpace* space, cpConstraint* constraint, void* unused) {
    cpSpaceRemoveConstraint(space, constraint);
    cpConstraintFree(constraint);
}

static void PostConstraintFree(cpConstraint* constraint, cpSpace* space) {
    cpSpaceAddPostStepCallback(space, (cpPostStepFunc) ConstraintFreeWrap, constraint, NULL);
}

static void BodyFreeWrap(cpSpace* space, cpBody* body, void* unused) {
    cpSpaceRemoveBody(space, body);
    cpBodyFree(body);
}

static void PostBodyFree(cpBody* body, cpSpace* space) {
    cpSpaceAddPostStepCallback(space, (cpPostStepFunc) BodyFreeWrap, body, NULL);
}

// Safe and future proof way to remove and free all objects that have been added to the space.
void ChipmunkDemoFreeSpaceChildren(cpSpace* space) {
    // Must remove these BEFORE freeing the body or you will access dangling pointers.
    cpSpaceEachShape(space, (cpSpaceShapeIteratorFunc) PostShapeFree, space);
    cpSpaceEachConstraint(space, (cpSpaceConstraintIteratorFunc) PostConstraintFree, space);

    cpSpaceEachBody(space, (cpSpaceBodyIteratorFunc) PostBodyFree, space);
}


static void update(cpSpace* space, double dt) {
    cpSpaceStep(space, dt);
}


static void destroy(cpSpace* space) {
    ChipmunkDemoFreeSpaceChildren(space);
    cpSpaceFree(space);
}


ChipmunkTestBed::ChipmunkTestBed() 
{
    scheduleUpdate();
}

ChipmunkTestBed::~ChipmunkTestBed() 
{
    ChipmunkDemoFreeSpaceChildren(_space);
}

void ChipmunkTestBed::initPhysics() 
{
    // Physics debug layer
    _debugLayer = PhysicsDebugNode::create(_space);
    this->addChild(_debugLayer, Z_PHYSICS_DEBUG);
}

void ChipmunkTestBed::update(float delta) 
{
    // Should use a fixed size step based on the animation interval.
    int steps = 2;
    float dt  = Director::getInstance()->getAnimationInterval() / (float) steps;

    for (int i = 0; i < steps; i++) {

#if CC_TARGET_PLATFORM == CC_PLATFORM_WIN32
        cpSpaceStep(_space, dt);
#else
        cpHastySpaceStep(_space, dt);
#endif
    }
}

void ChipmunkTestBed::createResetButton() {
    auto reset = MenuItemImage::create("Images/r1.png", "Images/r2.png", CC_CALLBACK_1(ChipmunkTestBed::reset, this));

    auto menu = Menu::create(reset, nullptr);

    menu->setPosition(VisibleRect::center().x, VisibleRect::bottom().y + 30);
    this->addChild(menu, -1);
}

void ChipmunkTestBed::reset(Ref* sender) {
    ChipmunkDemoFreeSpaceChildren(_space);
    getTestSuite()->restartCurrTest();
}

void ChipmunkTestBed::onEnter() {
    TestCase::onEnter();
}


//------------------------------------------------------------------
//
// LogoSmash
//
//------------------------------------------------------------------
void LogoSmash::onEnter() 
{
    ChipmunkTestBed::onEnter();

    initPhysics();


    log("%s\n", Director::getInstance()->getTextureCache()->getCachedTextureInfo().c_str());
}

std::string LogoSmash::title() const 
{
    return "Logo Smash";
}


void LogoSmash::initPhysics() 
{
    _space = initLogoSmash();
    ChipmunkTestBed::initPhysics();

    log("%s\n", Director::getInstance()->getTextureCache()->getCachedTextureInfo().c_str());
}

void LogoSmash::update(float delta)
{
    ChipmunkTestBed::update(delta);
}



//------------------------------------------------------------------
//
// Plink
//
//------------------------------------------------------------------
void Plink::onEnter() {
    ChipmunkTestBed::onEnter();

    initPhysics();


    log("%s\n", Director::getInstance()->getTextureCache()->getCachedTextureInfo().c_str());
}

std::string Plink::title() const {
    return "Plink";
}


void Plink::initPhysics() {
    _space = initPlink();
    ChipmunkTestBed::initPhysics();

    log("%s\n", Director::getInstance()->getTextureCache()->getCachedTextureInfo().c_str());
}

void Plink::update(float delta) {
    ChipmunkTestBed::update(delta);
}
//std::string  Plink::title() const {
//    return "Plink";
//}

//------------------------------------------------------------------
//
// Tumble
//
//------------------------------------------------------------------
void Tumble::onEnter() {
    ChipmunkTestBed::onEnter();

    initPhysics();


    log("%s\n", Director::getInstance()->getTextureCache()->getCachedTextureInfo().c_str());
}

std::string Tumble::title() const {
    return "Tumble";
}


void Tumble::initPhysics() {
    _space = initTumble();
    ChipmunkTestBed::initPhysics();

    log("%s\n", Director::getInstance()->getTextureCache()->getCachedTextureInfo().c_str());
}

void Tumble::update(float delta) {
    ChipmunkTestBed::update(delta);
}

//------------------------------------------------------------------
//
// Add Example
//
//------------------------------------------------------------------
void AddExample::onEnter() {
    ChipmunkTestBed::onEnter();

    _space = cpSpaceNew();
    ChipmunkTestBed::initPhysics();

    log("%s\n", Director::getInstance()->getTextureCache()->getCachedTextureInfo().c_str());
}

std::string AddExample::title() const {
    return "  Here is the place for your\n Chipmunk2D example";
}

void AddExample::initPhysics() {
    _space = cpSpaceNew();
    ChipmunkTestBed::initPhysics();

    log("%s\n", Director::getInstance()->getTextureCache()->getCachedTextureInfo().c_str());
}

void AddExample::update(float delta) {
    cpSpaceStep(_space, delta);
}


ChipmunkTestBedTests::ChipmunkTestBedTests() {
    ADD_TEST_CASE(LogoSmash);
    ADD_TEST_CASE(Plink);
    ADD_TEST_CASE(Tumble);

    ADD_TEST_CASE(AddExample);
}