axmol/tests/cpp-tests/Classes/MaterialSystemTest/MaterialSystemTest.cpp

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 Copyright (c) 2012 cocos2d-x.org
 Copyright (c) 2013-2014 Chukong Technologies Inc.

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#include "MaterialSystemTest.h"

#include <ctime>
#include <spine/spine-cocos2dx.h>

#include "../testResource.h"
#include "cocos2d.h"


USING_NS_CC;

static void printProperties(Properties* properties, int indent);


// MARK: Tests

MaterialSystemTest::MaterialSystemTest()
{
    ADD_TEST_CASE(Material_2DEffects);
    ADD_TEST_CASE(Material_AutoBindings);
    ADD_TEST_CASE(Material_setTechnique);
    ADD_TEST_CASE(Material_clone);
    ADD_TEST_CASE(Material_MultipleSprite3D);
    ADD_TEST_CASE(Material_Sprite3DTest);
    ADD_TEST_CASE(Material_parsePerformance);
    ADD_TEST_CASE(Material_invalidate);
    ADD_TEST_CASE(Material_renderState);
}

std::string MaterialSystemBaseTest::title() const
{
    return "Material System";
}

// MARK: Tests start here

void Material_Sprite3DTest::onEnter()
{
    MaterialSystemBaseTest::onEnter();

    auto sprite = Sprite3D::create("Sprite3DTest/boss1.obj");
    sprite->setScale(8.f);
    sprite->setTexture("Sprite3DTest/boss.png");
    this->addChild(sprite);
    sprite->setNormalizedPosition(Vec2(0.5,0.5));
}

std::string Material_Sprite3DTest::subtitle() const
{
    return "Material System on Sprite3D";
}

void Material_MultipleSprite3D::onEnter()
{
    MaterialSystemBaseTest::onEnter();

    const char* names[] = {
        "Sprite3DTest/ReskinGirl.c3b",
        "Sprite3DTest/ReskinGirl.c3b",
        "Sprite3DTest/ReskinGirl.c3b",
        "Sprite3DTest/ReskinGirl.c3b",
        "Sprite3DTest/ReskinGirl.c3b",
        "Sprite3DTest/ReskinGirl.c3b",
        "Sprite3DTest/ReskinGirl.c3b",
        "Sprite3DTest/ReskinGirl.c3b",
    };

    const int totalNames = sizeof(names) / sizeof(names[0]);

    auto size = Director::getInstance()->getWinSize();

    for(int i=0;i<totalNames;i++)
    {
        auto sprite = Sprite3D::create(names[i]);
        this->addChild(sprite);
        sprite->setPosition(Vec2((size.width/(totalNames+1))*(i+1), size.height/4));
        sprite->setScale(3);
    }
}

std::string Material_MultipleSprite3D::subtitle() const
{
    return "Sprites with multiple meshes";
}

//
// MARK: Material_2DEffects
//
void Material_2DEffects::onEnter()
{
    MaterialSystemBaseTest::onEnter();

    auto properties = Properties::createNonRefCounted("Materials/2d_effects.material#sample");

    // Print the properties of every namespace within this one.
    printProperties(properties, 0);

    Material *mat1 = Material::createWithProperties(properties);

    auto spriteBlur = Sprite::create("Images/grossini.png");
    spriteBlur->setNormalizedPosition(Vec2(0.2f, 0.5f));
    this->addChild(spriteBlur);
    spriteBlur->setGLProgramState(mat1->getTechniqueByName("blur")->getPassByIndex(0)->getGLProgramState());

    auto spriteOutline = Sprite::create("Images/grossini.png");
    spriteOutline->setNormalizedPosition(Vec2(0.4f, 0.5f));
    this->addChild(spriteOutline);
    spriteOutline->setGLProgramState(mat1->getTechniqueByName("outline")->getPassByIndex(0)->getGLProgramState());

    auto spriteNoise = Sprite::create("Images/grossini.png");
    spriteNoise->setNormalizedPosition(Vec2(0.6f, 0.5f));
    this->addChild(spriteNoise);
    spriteNoise->setGLProgramState(mat1->getTechniqueByName("noise")->getPassByIndex(0)->getGLProgramState());

    auto spriteEdgeDetect = Sprite::create("Images/grossini.png");
    spriteEdgeDetect->setNormalizedPosition(Vec2(0.8f, 0.5f));
    this->addChild(spriteEdgeDetect);
    spriteEdgeDetect->setGLProgramState(mat1->getTechniqueByName("edge_detect")->getPassByIndex(0)->getGLProgramState());

    // properties is not a "Ref" object
    CC_SAFE_DELETE(properties);
}

std::string Material_2DEffects::subtitle() const
{
    return "Testing effects on Sprite";
}

//
// MARK: Material_AutoBindings
//

/*
 * Custom material auto-binding resolver for terrain.
 */
class EffectAutoBindingResolver : public GLProgramState::AutoBindingResolver
{
    bool resolveAutoBinding(GLProgramState* glProgramState, Node* node, const std::string& uniform, const std::string& autoBinding);

    void callbackRadius(GLProgram* glProgram, Uniform* uniform);
    void callbackColor(GLProgram* glProgram, Uniform* uniform);
};

bool EffectAutoBindingResolver::resolveAutoBinding(GLProgramState* glProgramState, Node* node, const std::string& uniform, const std::string& autoBinding)
{
    if (autoBinding.compare("DYNAMIC_RADIUS")==0)
    {
        glProgramState->setUniformCallback(uniform, CC_CALLBACK_2(EffectAutoBindingResolver::callbackRadius, this));
        return true;
    }
    else if (autoBinding.compare("OUTLINE_COLOR")==0)
    {
        glProgramState->setUniformCallback(uniform, CC_CALLBACK_2(EffectAutoBindingResolver::callbackColor, this));
        return true;
    }
    return false;
}

void EffectAutoBindingResolver::callbackRadius(GLProgram* glProgram, Uniform* uniform)
{
    float f = CCRANDOM_0_1() * 10;
    glProgram->setUniformLocationWith1f(uniform->location, f);
}

void EffectAutoBindingResolver::callbackColor(GLProgram* glProgram, Uniform* uniform)
{
    float r = CCRANDOM_0_1();
    float g = CCRANDOM_0_1();
    float b = CCRANDOM_0_1();

    glProgram->setUniformLocationWith3f(uniform->location, r, g, b);
}

Material_AutoBindings::Material_AutoBindings()
{
    _resolver = new EffectAutoBindingResolver;
}

Material_AutoBindings::~Material_AutoBindings()
{
    delete _resolver;
}


void Material_AutoBindings::onEnter()
{
    MaterialSystemBaseTest::onEnter();

//    auto properties = Properties::createNonRefCounted("Materials/2d_effects.material#sample");
    auto properties = Properties::createNonRefCounted("Materials/auto_binding_test.material#sample");

    // Print the properties of every namespace within this one.
    printProperties(properties, 0);

    Material *mat1 = Material::createWithProperties(properties);

    auto spriteBlur = Sprite::create("Images/grossini.png");
    spriteBlur->setNormalizedPosition(Vec2(0.2f, 0.5f));
    this->addChild(spriteBlur);
    spriteBlur->setGLProgramState(mat1->getTechniqueByName("blur")->getPassByIndex(0)->getGLProgramState());

    auto spriteOutline = Sprite::create("Images/grossini.png");
    spriteOutline->setNormalizedPosition(Vec2(0.4f, 0.5f));
    this->addChild(spriteOutline);
    spriteOutline->setGLProgramState(mat1->getTechniqueByName("outline")->getPassByIndex(0)->getGLProgramState());

    auto spriteNoise = Sprite::create("Images/grossini.png");
    spriteNoise->setNormalizedPosition(Vec2(0.6f, 0.5f));
    this->addChild(spriteNoise);
    spriteNoise->setGLProgramState(mat1->getTechniqueByName("noise")->getPassByIndex(0)->getGLProgramState());

    auto spriteEdgeDetect = Sprite::create("Images/grossini.png");
    spriteEdgeDetect->setNormalizedPosition(Vec2(0.8f, 0.5f));
    this->addChild(spriteEdgeDetect);
    spriteEdgeDetect->setGLProgramState(mat1->getTechniqueByName("edge_detect")->getPassByIndex(0)->getGLProgramState());

    // properties is not a "Ref" object
    CC_SAFE_DELETE(properties);
}

std::string Material_AutoBindings::subtitle() const
{
    return "Testing auto-bindings uniforms";
}

//
//
//
void Material_setTechnique::onEnter()
{
    MaterialSystemBaseTest::onEnter();

    auto sprite = Sprite3D::create("Sprite3DTest/boss1.obj");
    sprite->setScale(6);
    this->addChild(sprite);
    sprite->setNormalizedPosition(Vec2(0.5,0.5));
    _sprite = sprite;


    Material *mat = Material::createWithFilename("Materials/3d_effects.material");
    sprite->setMaterial(mat);

    // lights
    auto light1 = AmbientLight::create(Color3B::RED);
    addChild(light1);

    auto light2 = DirectionLight::create(Vec3(-1,1,0), Color3B::GREEN);
    addChild(light2);

    this->schedule(CC_CALLBACK_1(Material_setTechnique::changeMaterial, this),  1, "cookie");
    _techniqueState = 0;

    auto rot = RotateBy::create(5, Vec3(30,60,270));
    auto repeat = RepeatForever::create(rot);
    sprite->runAction(repeat);
}

std::string Material_setTechnique::subtitle() const
{
    return "Testing setTechnique()";
}

void Material_setTechnique::changeMaterial(float dt)
{
    // get it from Mesh 0
    switch (_techniqueState)
    {
        case 0:
            _sprite->getMaterial(0)->setTechnique("lit");
            break;
        case 1:
            _sprite->getMaterial(0)->setTechnique("normal");
            break;
        case 2:
            _sprite->getMaterial(0)->setTechnique("outline");
            break;
        default:
            break;
    }

    _techniqueState++;
    if (_techniqueState>2)
        _techniqueState = 0;
}

//
//
//
void Material_clone::onEnter()
{
    MaterialSystemBaseTest::onEnter();

    auto sprite = Sprite3D::create("Sprite3DTest/boss1.obj");
    sprite->setScale(3);
    this->addChild(sprite);
    sprite->setNormalizedPosition(Vec2(0.25, 0.5));

    Material *mat = Material::createWithFilename("Materials/3d_effects.material");
    sprite->setMaterial(mat);

    auto rot = RotateBy::create(5, Vec3(360,240,120));
    auto repeat = RepeatForever::create(rot);
    sprite->runAction(repeat);

    // sprite 2... using same material
    auto sprite2 = Sprite3D::create("Sprite3DTest/boss1.obj");
    sprite2->setScale(3);
    this->addChild(sprite2);
    sprite2->setNormalizedPosition(Vec2(0.5, 0.5));
    sprite2->setMaterial(mat);
    sprite2->runAction(repeat->clone());

    // sprite 3... using cloned material
    auto sprite3 = Sprite3D::create("Sprite3DTest/boss1.obj");
    sprite3->setScale(3);
    this->addChild(sprite3);
    sprite3->setNormalizedPosition(Vec2(0.75, 0.5));
    auto mat2 = mat->clone();
    sprite3->setMaterial(mat2);
    sprite3->runAction(repeat->clone());

    // testing clone
    // should affect both sprite 1 and sprite 2
    mat->setTechnique("outline");

    // should affect only sprite 3
//    mat2->setTechnique("normal");

}

std::string Material_clone::subtitle() const
{
    return "Testing material->clone()";
}

//
//
//
void Material_parsePerformance::onEnter()
{
    MaterialSystemBaseTest::onEnter();

    std::clock_t begin = std::clock();

    for(int i=0;i<5000;i++)
    {
        Material::createWithFilename("Materials/2d_effects.material");
        Material::createWithFilename("Materials/3d_effects.material");
    }

    std::clock_t end = std::clock();
    double elapsed_secs = double(end - begin) / CLOCKS_PER_SEC;

    log("Parsing took: %f", elapsed_secs);
}

std::string Material_parsePerformance::subtitle() const
{
    return "Testing parsing performance";
}

//
//
//
void Material_invalidate::onEnter()
{
    MaterialSystemBaseTest::onEnter();

    // ORC
    auto sprite = Sprite3D::create("Sprite3DTest/orc.c3b");
    sprite->setScale(5);
    sprite->setRotation3D(Vec3(0,180,0));
    addChild(sprite);
    sprite->setNormalizedPosition(Vec2(0.3f,0.3f));

    auto rotate = RotateBy::create(5, Vec3(0,360,0));
    auto repeat = RepeatForever::create(rotate);
    sprite->runAction(repeat);

    // SPINE
    auto skeletonNode = spine::SkeletonAnimation::createWithFile("spine/goblins-ffd.json", "spine/goblins-ffd.atlas", 1.5f);
    skeletonNode->setAnimation(0, "walk", true);
    skeletonNode->setSkin("goblin");

    skeletonNode->setScale(0.25);
    skeletonNode->setNormalizedPosition(Vec2(0.6f,0.3f));
    this->addChild(skeletonNode);
}

std::string Material_invalidate::subtitle() const
{
    return "Testing RenderState::StateBlock::invalidate()";
}

void Material_invalidate::draw(cocos2d::Renderer *renderer, const cocos2d::Mat4 &transform, uint32_t flags)
{
    _customCommand.init(_globalZOrder, transform, flags);
    _customCommand.func = []() {
        glDisable(GL_DEPTH_TEST);
        CHECK_GL_ERROR_DEBUG();

        glDepthMask(false);
        CHECK_GL_ERROR_DEBUG();

        glEnable(GL_CULL_FACE);
        CHECK_GL_ERROR_DEBUG();

        glCullFace((GLenum)GL_FRONT);
        CHECK_GL_ERROR_DEBUG();

        glFrontFace((GLenum)GL_CW);
        CHECK_GL_ERROR_DEBUG();

        glDisable(GL_BLEND);
        CHECK_GL_ERROR_DEBUG();

        // a non-optimal way is to pass all bits, but that would be very inefficient
//        RenderState::StateBlock::invalidate(RenderState::StateBlock::RS_ALL_ONES);

        RenderState::StateBlock::invalidate(RenderState::StateBlock::RS_DEPTH_TEST |
                                            RenderState::StateBlock::RS_DEPTH_WRITE |
                                            RenderState::StateBlock::RS_CULL_FACE |
                                            RenderState::StateBlock::RS_CULL_FACE_SIDE |
                                            RenderState::StateBlock::RS_FRONT_FACE |
                                            RenderState::StateBlock::RS_BLEND);
    };

    renderer->addCommand(&_customCommand);
}

//
//
//
void Material_renderState::onEnter()
{
    MaterialSystemBaseTest::onEnter();

    // ORC
    auto sprite = Sprite3D::create("Sprite3DTest/orc.c3b");
    sprite->setScale(5);
    sprite->setRotation3D(Vec3(0,180,0));
    addChild(sprite);
    sprite->setNormalizedPosition(Vec2(0.3f,0.3f));

    auto rotate = RotateBy::create(5, Vec3(0,360,0));
    auto repeat = RepeatForever::create(rotate);
    sprite->runAction(repeat);

    // SPINE
    auto skeletonNode = spine::SkeletonAnimation::createWithFile("spine/goblins-ffd.json", "spine/goblins-ffd.atlas", 1.5f);
    skeletonNode->setAnimation(0, "walk", true);
    skeletonNode->setSkin("goblin");

    skeletonNode->setScale(0.25);
    skeletonNode->setNormalizedPosition(Vec2(0.6f,0.3f));
    this->addChild(skeletonNode);

    _stateBlock.setDepthTest(false);
    _stateBlock.setDepthWrite(false);
    _stateBlock.setCullFace(true);
    _stateBlock.setCullFaceSide(RenderState::CULL_FACE_SIDE_FRONT);
    _stateBlock.setFrontFace(RenderState::FRONT_FACE_CW);
    _stateBlock.setBlend(false);
}

std::string Material_renderState::subtitle() const
{
    return "You should see a Spine animation on the right";
}

void Material_renderState::draw(cocos2d::Renderer *renderer, const cocos2d::Mat4 &transform, uint32_t flags)
{
    _customCommand.init(_globalZOrder, transform, flags);
    _customCommand.func = [this]() {

        this->_stateBlock.bind();

        // should do something...
        // and after that, restore

        this->_stateBlock.restore(0);
    };
    
    renderer->addCommand(&_customCommand);
}

// MARK: Helper functions

static void printProperties(Properties* properties, int indent)
{
    // Print the name and ID of the current namespace.
    const char* spacename = properties->getNamespace();
    const char* id = properties->getId();
    char chindent[64];
    int i=0;
    for(i=0; i<indent*2;i++)
        chindent[i] = ' ';
    chindent[i] = '\0';

    log("%sNamespace: %s  ID: %s\n%s{", chindent, spacename, id, chindent);

    // Print all properties in this namespace.
    const char* name = properties->getNextProperty();
    const char* value = NULL;
    while (name != NULL)
    {
        value = properties->getString(name);
        log("%s%s = %s", chindent, name, value);
        name = properties->getNextProperty();
    }

    Properties* space = properties->getNextNamespace();
    while (space != NULL)
    {
        printProperties(space, indent+1);
        space = properties->getNextNamespace();
    }

    log("%s}\n",chindent);
}