GameLogic.cpp

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#include "Application.hpp"


GameLogic::GameLogic(Application* app)
    : m_app(app)
    , m_activeScene(0)
{ 
    m_scenes.push_back("Static Plane");
    m_scenes.push_back("Static Cloud");
    m_scenes.push_back("Dynamic Plane");
    m_scenes.push_back("Dynamic Cloud");
    
    auto meshPlane = m_app->getSimpleMeshes().get("plane");
    auto meshBoblamp = m_app->getScenes().get("bob\\boblampclean.md5mesh");

    for (size_t i = 0; i < m_scenes.size(); i++)
    {
        if (m_scenes[i] == m_app->getConfig().sceneName())
        {
            m_activeScene = i;
            break;
        }
    }   

    initScene();
}
void GameLogic::update(double time, double timeDelta)
{
}
void GameLogic::initScene()
{
    //clear old scene
    {
        vector<ISceneObject*> objects(m_app->getSceneGraph().begin(), 
                                      m_app->getSceneGraph().end());

        for (auto obj : objects)
            m_app->getSceneGraph().remove(obj);
    }

    //init new scene
    switch (m_activeScene)
    {
        case 0: initStaticPlane(); break;
        case 1: initStaticCloud(); break;
        case 2: initDynamicPlane(); break;
        default:
        case 3: initDynamicCloud(); break;
    }
}

void GameLogic::initStaticPlane()
{
    auto meshPlane = m_app->getSimpleMeshes().get("plane");
    auto meshBoblamp = m_app->getScenes().get("bob\\boblampclean.md5mesh");

    // create plane
    {
        auto& plane = *(meshPlane->createInstance(false));

        plane.getTransform().setPosition(vec3(0.0f, -20.0f, 0.0f));
        plane.getTransform().setScale(1000.0f);
        plane.uniform("color", vec3(1.0f) * 0.4f);
    }
    
    list<SceneInstance*> bobs;

    // create bobs
    {
        for (size_t i = 0; i < 100; i++)
        {
            auto& boblamp = *(meshBoblamp->createInstance());

            boblamp.getTransform().setScale(Util::rand(0.1f, 0.2f));
            boblamp.getTransform().setRotation(vec3(0.0f, Util::rand(0.0f, glm::radians(360.0f)), 0.0f));

            do
            {
                boblamp.getTransform().setPosition(vec3(Util::rand(-1.0f, 1.0f)*200.0f,
                    -20.0f,
                    Util::rand(-1.0f, 1.0f)*200.0f));
            } while (any_of(bobs.begin(), bobs.end(), [&boblamp](SceneInstance * instance)
            {
                return glm::distance(boblamp.getTransform().getPosition(), instance->getTransform().getPosition()) <= (boblamp.getTransform().getScale() * 20 + instance->getTransform().getScale() * 20);
            }));

            bobs.push_back(&boblamp);
        }
    }

    // set camera
    {
        auto& cam = m_app->getCamera().getTransform();

        cam.setPosition(vec3(94.0f,59.0f,83.0f));
        cam.setRotation(vec3(-0.7f, 0.94f, 0.0f));
    }
}

void GameLogic::initDynamicPlane()
{
    auto meshPlane = m_app->getSimpleMeshes().get("plane");
    auto meshBoblamp = m_app->getScenes().get("bob\\boblampclean.md5mesh");

    // create plane
    {
        auto& plane = *(meshPlane->createInstance(false));

        plane.getTransform().setPosition(vec3(0.0f, -20.0f, 0.0f));
        plane.getTransform().setScale(1000.0f);
        plane.uniform("color", vec3(1.0f) * 0.3f);
    }
    
    list<SceneInstance*> bobs;

    // create bobs
    {
        for (size_t i = 0; i < 100; i++)
        {
            auto& boblamp = *(meshBoblamp->createInstance());

            boblamp.getTransform().setScale(Util::rand(0.1f, 0.2f));
            boblamp.getTransform().setRotation(vec3(0.0f, Util::rand(0.0f, glm::radians(360.0f)), 0.0f));

            do
            {
                boblamp.getTransform().setPosition(vec3(Util::rand(-1.0f, 1.0f)*200.0f,
                    -20.0f,
                    Util::rand(-1.0f, 1.0f)*200.0f));
            } while (any_of(bobs.begin(), bobs.end(), [&boblamp](SceneInstance * instance)
            {
                return glm::distance(boblamp.getTransform().getPosition(), instance->getTransform().getPosition()) <= (boblamp.getTransform().getScale() * 20 + instance->getTransform().getScale() * 20);
            }));


            boblamp.queueAnimation(Util::rand(-5.0f, 0.0f), 0u);

            bobs.push_back(&boblamp);
        }
    }

    // set camera
    {
        auto& cam = m_app->getCamera().getTransform();

        cam.setPosition(vec3(94.0f,59.0f,83.0f));
        cam.setRotation(vec3(-0.7f, 0.94f, 0.0f));
    }
}

void GameLogic::initDynamicCloud()
{
    auto meshBoblamp = m_app->getScenes().get("bob\\boblampclean.md5mesh");
        
    list<SceneInstance*> bobs;

    // create bobs
    {
        for (size_t i = 0; i < 100; i++)
        {
            auto& boblamp = *(meshBoblamp->createInstance());

            boblamp.getTransform().setScale(Util::rand(0.1f, 0.2f));
            boblamp.getTransform().setRotation(vec3(0.0f, Util::rand(0.0f, glm::radians(360.0f)), 0.0f));

            do
            {
                boblamp.getTransform().setPosition(vec3(Util::rand(-1.0f, 1.0f)*200.0f,
                                                        Util::rand(-1.0f, 1.0f)*200.0f,
                                                        Util::rand(-1.0f, 1.0f)*200.0f));
            } while (any_of(bobs.begin(), bobs.end(), [&boblamp](SceneInstance * instance)
            {
                return glm::distance(boblamp.getTransform().getPosition(), instance->getTransform().getPosition()) <= (boblamp.getTransform().getScale() * 20 + instance->getTransform().getScale() * 20);
            }));


            boblamp.queueAnimation(Util::rand(-5.0f, 0.0f), 0u);

            bobs.push_back(&boblamp);
        }
    }

    // set camera
    {
        auto& cam = m_app->getCamera().getTransform();

        cam.setPosition(vec3(94.0f,59.0f,83.0f));
        cam.setRotation(vec3(-0.7f, 0.94f, 0.0f));
    }
}

void GameLogic::initStaticCloud()
{
    auto meshBoblamp = m_app->getScenes().get("bob\\boblampclean.md5mesh");
        
    list<SceneInstance*> bobs;

    // create bobs
    {
        for (size_t i = 0; i < 100; i++)
        {
            auto& boblamp = *(meshBoblamp->createInstance());

            boblamp.getTransform().setScale(Util::rand(0.1f, 0.2f));
            boblamp.getTransform().setRotation(vec3(0.0f, Util::rand(0.0f, glm::radians(360.0f)), 0.0f));

            do
            {
                boblamp.getTransform().setPosition(vec3(Util::rand(-1.0f, 1.0f)*200.0f,
                                                        Util::rand(-1.0f, 1.0f)*200.0f,
                                                        Util::rand(-1.0f, 1.0f)*200.0f));
            } while (any_of(bobs.begin(), bobs.end(), [&boblamp](SceneInstance * instance)
            {
                return glm::distance(boblamp.getTransform().getPosition(), instance->getTransform().getPosition()) <= (boblamp.getTransform().getScale() * 20 + instance->getTransform().getScale() * 20);
            }));


            bobs.push_back(&boblamp);
        }
    }

    // set camera
    {
        auto& cam = m_app->getCamera().getTransform();

        cam.setPosition(vec3(94.0f,59.0f,83.0f));
        cam.setRotation(vec3(-0.7f, 0.94f, 0.0f));
    }
}
void GameLogic::onKeyStateChanged(int key, bool pressed)
{
    if (!pressed) return;

    if (key == GLFW_KEY_TAB)
        nextScene();
}