Day 75/100 100 Days of Code

Today I worked on creating a new cursor image. The new image is a hand cursor that will be displayed when the mouse hovers over interactive objects. This is a good way to let the user know that the object they are hovering over is interactive.

To add the new image, I had to edit the Player object.

First, I created a new variable for the image.

SURFACE *interatacbleCursorImage;

Then, I updated the LoadPlayImages() method to load the new image.

template<>
bool Player<std::string, SDL_Surface, SDL_Renderer>::LoadPlayerImages(    std::string locationImage1, 
                                                                                                                                                std::string locationImage2)
{
    defaultCursorImage = IMG_Load(locationImage1.c_str());
    interatacbleCursorImage = IMG_Load(locationImage2.c_str());

    if (defaultCursorImage == nullptr || interatacbleCursorImage == nullptr)
    {
        return false;
    }
    return true;
}

To display the new Image, I added a boolean argument to the ShowCursor() method and reformed its logic to display the correct image based on the new argument.

template<>
void Player<std::string, SDL_Surface, SDL_Renderer>::ShowCursor(SDL_Renderer *renderer, bool interactive)
{
    SDL_Surface *convertImage = nullptr;
    int imageSizeDivisionValue = 0;
    if (!interactive)
    {
        convertImage = SDL_ConvertSurface(defaultCursorImage, defaultCursorImage->format);
        imageSizeDivisionValue = 50;
    }else
    {
        convertImage = SDL_ConvertSurface(interatacbleCursorImage, defaultCursorImage->format);
        imageSizeDivisionValue = 40;
    }
    if (convertImage == nullptr)
    {
        std::cout << "Failed to create default cursor ";
        std::cout << SDL_GetError() << std::endl;
        exit(-1);
    }

    SDL_Texture *defaultCursorTexture = SDL_CreateTextureFromSurface(renderer, convertImage);

    const SDL_FRect defaultCursorHolder = {    static_cast<float>(x), 
                                            static_cast<float>(y), 
                                            static_cast<float>(convertImage->w/imageSizeDivisionValue), 
                                            static_cast<float>(convertImage->h/imageSizeDivisionValue)};


    SDL_RenderTexture(renderer, defaultCursorTexture, nullptr, &defaultCursorHolder);    
    SDL_DestroyTexture(defaultCursorTexture);
    SDL_DestroySurface(convertImage);
}

I updated the CMakeLists.txt file to include the new image in the .app container.

file(GLOB INTERACTABLE_CURSOR "graphics/Player/interactable_cursor.png")

# Create Executable
add_executable(    ${PROJECT_NAME} MACOSX_BUNDLE 
                ./src/main.cpp ./src/game.h 
                ./src/game.cpp ./src/gameobject.h 
                ./src/player.h ./src/thief.h 
                ./src/gatherer.h ./src/fighter.h
                ./src/menuoptionsstructure.h ./src/audioplayer.h
                ./src/audioplayer.cpp
                ${FONT_SOURCES} ${MENU_LIGHT_UP_SOUND}
                ${MENU_MUSIC} ${DEFAULT_CURSOR} ${ATTACK_CURSOR}
                ${ENVIROMENT_BACKGROUND} ${LEAF_IMAGE} ${INTERACTABLE_CURSOR})

#Add Interactable Cursor
file(RELATIVE_PATH GET_REL_PATH "${CMAKE_CURRENT_SOURCE_DIR}" ${INTERACTABLE_CURSOR} )
get_filename_component(FILE_PATH "${GET_REL_PATH}" DIRECTORY)
set_property(SOURCE "${INTERACTABLE_CURSOR}" PROPERTY MACOSX_PACKAGE_LOCATION "Resources/${FILE_PATH}")