NaiJi/sliding-puzzle
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Add -r support

This commit is contained in:
NaiJi ✨ 2020-12-20 16:49:24 +03:00
parent 5a8fbddd93
commit 8f8c2918f3
7 changed files with 97 additions and 75 deletions
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6
application.cpp
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@ -4,14 +4,14 @@
// Hardcoded for now
const sf::Time TIME_PER_SECOND = sf::seconds(1.f / 60.f);
Application::Application() :
render_window({SCREEN_WIDTH, SCREEN_HEIGHT}, "Sliding Puzzle")
Application::Application(unsigned int window_width, unsigned int window_height) :
render_window({window_width, window_height}, "Sliding Puzzle")
{}
bool Application::init(const std::string &path, int splitting)
{
render_window.setFramerateLimit(60);
return board.init(path, splitting);
return board.init(path, splitting, render_window);
}
void Application::run()

2
application.h
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@ -6,7 +6,7 @@
class Application
{
public:
explicit Application();
explicit Application(unsigned int window_width, unsigned int window_height);
// Init game
bool init(const std::string& path, int splitting);

19
board.cpp
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@ -157,7 +157,7 @@ bool Board::isWinCondition() const
return std::all_of(vec_field.begin(), vec_field.end(), [](const Cell *cell){ return cell->current_index == cell->inital_index; });
}
bool Board::init(const std::string& path, int splitting)
bool Board::init(const std::string& path, int splitting, const sf::RenderWindow &window)
{
// PREPARING INITIAL BOARD STATE //
@ -197,24 +197,27 @@ bool Board::init(const std::string& path, int splitting)
// SCALING //
float scaling = 0.;
if (width > height && width > SCREEN_WIDTH)
scaling = static_cast<float>(SCREEN_WIDTH) / static_cast<float>(width);
if (height > width && height > SCREEN_HEIGHT)
scaling = static_cast<float>(SCREEN_HEIGHT) / static_cast<float>(height);
if (width >= height && width > static_cast<int>(window.getSize().x))
scaling = static_cast<float>(window.getSize().x) / static_cast<float>(width);
if (height >= width && height > static_cast<int>(window.getSize().y))
scaling = static_cast<float>(window.getSize().y) / static_cast<float>(height);
if (scaling != 0.)
{
// Calculating new size of each tile
int old_side_length = Cell::side_length;
Cell::side_length = static_cast<int>(static_cast<float>(Cell::side_length) * scaling);
int shift = Cell::side_length - old_side_length;
float move_x = 0.f;
float move_y = 0.f;
float move_x, move_y;
// Moving all scaled tiles up and left, to remove spacing
for (Cells::size_type i = 0; i < vec_field.size(); ++i)
{
move_x = 0.f;
move_y = 0.f;
if (!(((i % cells_on_width == 0) && (i >= cells_on_width)) || i == 0))
// The first column isn't allowed to move by x
if (!(((i % cells_on_width == 0) && (i >= cells_on_width))))
move_x = static_cast<float>(shift) * static_cast<float>((i < cells_on_width) ? i : i % cells_on_width);
// The first row isn't allowed to move by y
if (i >= cells_on_width)
move_y = static_cast<float>(shift) * static_cast<float>(i / cells_on_width);

5
board.h
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@ -8,9 +8,6 @@
using pos = std::pair<int, int>;
constexpr int SCREEN_WIDTH = 1600;
constexpr int SCREEN_HEIGHT = 900;
enum class DIRECTION
{
UP,
@ -42,7 +39,7 @@ public:
bool isWinCondition() const;
// Set play image
bool init(const std::string& path, int splitting);
bool init(const std::string& path, int splitting, const sf::RenderWindow& window);
private:

18
filepath_util.h
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@ -11,13 +11,13 @@
namespace filepath
{
static std::tuple<std::filesystem::path, std::filesystem::file_status> getFileInfo(const std::filesystem::directory_entry& entry)
std::tuple<std::filesystem::path, std::filesystem::file_status> getFileInfo(const std::filesystem::directory_entry& entry)
{
const auto file_status (std::filesystem::status(entry));
return {entry.path(), file_status};
}
static bool endsWith(const std::string& string, const std::string& ending)
bool endsWith(const std::string& string, const std::string& ending)
{
if (ending.size() > string.size())
return false;
@ -25,7 +25,7 @@ namespace filepath
return std::equal(ending.rbegin(), ending.rend(), string.rbegin());
}
static std::tuple<int, std::string> parsePath(const std::string &argv)
std::tuple<int, std::string> parsePath(const std::string &argv)
{
std::filesystem::path path(argv);
if (!std::filesystem::exists(path))
@ -67,4 +67,16 @@ namespace filepath
srand(static_cast<unsigned int>(time(nullptr)));
return {EXIT_SUCCESS, dir_image_items[rand() & (dir_image_items.size() - 1)]};
}
std::vector<std::string> split(const std::string &s, char delim)
{
std::vector<std::string> result;
std::stringstream ss (s);
std::string item;
while (getline(ss, item, delim))
result.push_back(item);
return result;
}
}

119
main.cpp
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@ -6,96 +6,103 @@
/////////////////////////////////////////////////////////////////////////
static constexpr int NO_ARGC = 1;
static constexpr int MIN_ARGC = 2;
static constexpr int MAX_ARGC = 4;
static constexpr int DEFAULT_SPLITTING = 5;
static constexpr int DEFAULT_SCREEN_WIDTH = 1280;
static constexpr int DEFAULT_SCREEN_HEIGHT = 720;
static constexpr int DEFAULT_SPLITTING = 4;
static const std::string DEFAULT_PATH = "."; // current folder, I guess
/////////////////////////////////////////////////////////////////////////
static std::tuple<int, int, std::string> error(const char* msg)
std::tuple<int, int, sf::Vector2i, std::string> error(const char* msg)
{
std::cout << msg;
return {EXIT_FAILURE, -1, {}};
return {EXIT_FAILURE, -1, {}, {}};
}
static std::tuple<int, int, std::string> parseInput(int argc, char **argv)
std::tuple<int, int, sf::Vector2i, std::string> parseInput(int argc, char **argv)
{
int splitting = DEFAULT_SPLITTING;
sf::Vector2i resolution(DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT);
std::string path = DEFAULT_PATH;
switch (argc)
for (int current_arg = 1; current_arg < argc; ++current_arg) // current_arg = 0 is executable name
{
default:
return error(output::NO_ARG_MSG);
case NO_ARGC:
{
// Just launch the application with default parameters
std::cout << "No arguments given. Launching at \"" << DEFAULT_PATH << "\" with splitting " << std::to_string(DEFAULT_SPLITTING) << "\n"
<< "--help for more information.\n";
const auto &[ret_code, ret_path] = filepath::parsePath(DEFAULT_PATH);
if (ret_code)
return error(output::IMG_FAIL_MSG);
path = ret_path;
break;
}
case MIN_ARGC:
{
// maybe --help
if (strcmp(argv[1], output::HELP_FLAG) == 0)
if (strcmp(argv[current_arg], output::HELP_FLAG) == 0) // --help
return error(output::HELP_MSG);
const auto &[ret_code, ret_path] = filepath::parsePath(argv[1]);
if (ret_code)
return error(output::IMG_FAIL_MSG);
path = ret_path;
break;
}
case (MAX_ARGC - 1):
case MAX_ARGC:
{
// full stack
if (strcmp(argv[1], output::SPLITTING_FLAG) == 0)
if (strcmp(argv[current_arg], output::SPLITTING_FLAG) == 0) // -s num
{
const int value_rg = current_arg + 1;
if (value_rg == argc) // is '-s' is the last argument
return error(output::SPLITTING_MSG);
splitting = -1; // here assuming user is providing it on their own
if (std::isdigit(*argv[2]))
splitting = std::stoi(argv[2]);
if (std::isdigit(*argv[value_rg]))
splitting = std::stoi(argv[value_rg]);
if (splitting < 2)
return error(output::SPLITTING_MSG);
const auto &[ret_code, ret_path] = filepath::parsePath(argc == MAX_ARGC ? argv[3] : DEFAULT_PATH);
if (ret_code)
return error(output::IMG_FAIL_MSG);
path = ret_path;
++current_arg; // skipping value after flag to not check it once again
continue;
}
break;
}
if (strcmp(argv[current_arg], output::RESOLUTION_FLAG) == 0) // -r numxnum
{
const int value_rg = current_arg + 1;
if (value_rg == argc) // is '-s' is the last argument
return error(output::RESOLUTION_MSG);
std::vector<std::string> res = filepath::split(argv[value_rg], 'x'); // splitting argument by 'x' as in 600x900
if (res.size() < 2)
return error(output::RESOLUTION_MSG);
resolution = {-1, -1};
if (std::isdigit(*res[0].c_str()) && std::isdigit(*res[1].c_str()))
resolution = {std::stoi(res[0].c_str()), std::stoi(res[1].c_str())};
if (resolution.x < 1 || resolution.y < 1)
return error(output::RESOLUTION_MSG);
++current_arg; // skipping value after flag to not check it once again
continue;
}
// nothing else, then assuming it's filepath or folderpath
const auto &[ret_code, ret_path] = filepath::parsePath(argv[current_arg]);
if (ret_code)
return error(output::IMG_FAIL_MSG);
path = ret_path;
}
return {EXIT_SUCCESS, splitting, path};
if (path == DEFAULT_PATH)
{
// no path was give, loading random image from '.'
const auto &[ret_code, ret_path] = filepath::parsePath(path);
if (ret_code)
return error(output::IMG_FAIL_MSG);
path = ret_path;
}
return {EXIT_SUCCESS, splitting, resolution, path};
}
/////////////////////////////////////////////////////////////////////////
int main(int argc, char **argv)
{
const auto&[ret_code, splitting, path] = parseInput(argc, argv);
const auto&[ret_code, splitting, resolution, path] = parseInput(argc, argv);
if (ret_code) // Error code is EXIT_FAILURE
return ret_code;
Application app;
Application app(resolution.x, resolution.y);
if (app.init(path, splitting))
{
app.run();

3
output_util.h
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@ -4,6 +4,7 @@ namespace output
{
const char* HELP_FLAG = "--help";
const char* SPLITTING_FLAG = "-s";
const char* RESOLUTION_FLAG = "-r";
const char* NO_ARG_MSG = "Please at least provide a path to a target image. --help for more information.\n";
const char* HELP_MSG = "usage: sliding-puzzle [-OPTIONS...] FILE-OR-DIRECTORY\n\n"
@ -18,4 +19,6 @@ namespace output
" will be num * num.\n";
const char* SPLITTING_MSG = "-s should be given with a positive num >= 2 as in [-s num].\n";
const char* IMG_FAIL_MSG = "Couldn't load image from given path.\n";
const char* RESOLUTION_MSG = "Couldn't recognize given screen resolution.\n"
"Please it provide as in [NUMxNUM], 1280x720, 1600x900, etc.\n";
}