CL_Sprite::CL_Sprite(CL_GraphicContext &gc, CL_IODevice &file, const CL_String &image_type, const CL_ImageImportDescription &import_desc )
: impl(new CL_Sprite_Impl())
{
CL_SpriteDescription desc;
desc.add_frame(file, image_type, import_desc );
impl->create_textures(gc, desc);
restart();
}
CL_Sprite::CL_Sprite(CL_GraphicContext &gc, const CL_StringRef &filename, CL_VirtualDirectory &dir, const CL_ImageImportDescription &import_desc)
: impl(new CL_Sprite_Impl())
{
CL_SpriteDescription desc;
desc.add_frame(filename, dir, import_desc );
impl->create_textures(gc, desc);
restart();
}
std::shared_ptr<TerrainWrapper> TerrainManager::createDefaultEntity(const std::string &aRelativeFilepath)
{
CL_SpriteDescription proxyDescription;
proxyDescription.add_frame(ASSET_PATH+aRelativeFilepath);
CL_Sprite proxySprite(World::instance.getGraphicWrapper().cl(), proxyDescription);
proxySprite.set_alignment(origin_top_left);
std::shared_ptr<Drawer> proxyDrawer = std::make_shared<DrawerSprite>(World::instance.getGraphicWrapper(), proxySprite);
std::shared_ptr<Controller> controllerNull = std::make_shared<ControllerNull>();
std::shared_ptr<TerrainWrapper> proxy = std::make_shared<TerrainWrapper>(controllerNull, proxyDrawer);
proxy->setDeletionHandler(std::make_shared<DeletionHandlerTerrain>());
PhysicsMaterial proxyMaterial(EPSILON, EPSILON, 10000.f, 13, 13);
PhysicsSystem::addEntity(*proxy, PHYSICS_BOX);
return proxy;
}
CL_Sprite&
Tile::get_sprite()
{
if (impl->sprite)
{
return impl->sprite;
}
else
{
if (impl->provider)
{
impl->sprite = impl->provider.get_sprite();
}
else
{
CL_SpriteDescription desc;
desc.add_frame(CL_PixelBuffer(get_pixelbuffer()));
impl->sprite = CL_Sprite(desc);
}
return impl->sprite;
}
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
quit = false;
try
{
CL_OpenGLWindowDescription desc;
desc.set_title("ClanLib AnimCursor Test");
desc.set_size(CL_Size(800, 600), true);
CL_DisplayWindow window(desc);
// Connect the Window close event
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
// Connect a keyboard handler to on_key_up()
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
// Get the graphic context
CL_GraphicContext gc = window.get_gc();
CL_Font font = CL_Font(gc, "Tahoma", 20);
CL_PixelBuffer pacman("pacman.png");
CL_SpriteDescription description;
CL_Size size(22, 22);
for (int frame_cnt=0; frame_cnt < 6; frame_cnt++)
{
CL_PixelBuffer frame(size.width, size.height, cl_rgba8);
pacman.convert(frame, size, CL_Rect((frame_cnt * 28) + 4, 4, size));
description.add_frame(frame);
description.set_frame_delay(frame_cnt, 0.1);
}
CL_Point hotspot(0,0);
CL_Cursor cursor(window, description, hotspot);
window.set_cursor(cursor);
// Run until someone presses escape
while (!quit)
{
gc.clear(CL_Colorf(0.0f,0.0f,0.5f));
font.draw_text(gc, 32, 32, "Observe the animated cursor");
// Flip the display, showing on the screen what we have drawed
// since last call to flip()
window.flip(1);
// This call processes user input and other events
CL_KeepAlive::process();
}
}
catch(CL_Exception& exception)
{
// Create a console window for text-output if not available
CL_ConsoleWindow console("Console", 80, 200);
CL_Console::write_line("Exception caught:");
CL_Console::write_line(exception.message);
// Display the stack trace (if available)
std::vector<CL_String> stacktrace = exception.get_stack_trace();
int size = stacktrace.size();
if (size > 0)
{
CL_Console::write_line("Stack Trace:");
for (int cnt=0; cnt < size; cnt++)
{
CL_Console::write_line(stacktrace[cnt]);
}
}
console.display_close_message();
return -1;
}
return 0;
}
void CL_Sprite_Impl::create_textures(CL_GraphicContext &gc, const CL_SpriteDescription &description)
{
// Fetch frames
const std::vector<CL_SpriteDescriptionFrame> &description_frames = description.get_frames();
std::vector<CL_SpriteDescriptionFrame>::const_iterator it_frames;
// Calculate estimated texture group size
if (texture_group.is_null())
{
// *** This algorithm may not work! ***
int max_width = 1;
int max_height = 1;
int num_objects = 0;
int min_width = 9999999;
int min_height = min_width;
int total_width = 1;
const int allowed_pixel_gap = 4;
for (it_frames = description_frames.begin(); it_frames != description_frames.end(); ++it_frames)
{
CL_SpriteDescriptionFrame description_frame = (*it_frames);
int width = description_frame.rect.get_width();
int height = description_frame.rect.get_width();
if (max_width < width) max_width = width;
if (max_height < height) max_height = height;
if (min_width > width) min_width = width;
if (min_height > height) min_height = height;
total_width += width + allowed_pixel_gap;
num_objects++;
}
int group_width = total_width;
int group_height = max_height;
// Check all will fit into a single line
const int max_group_size = 512;
if (group_width > max_group_size)
{
group_width = max_group_size;
group_height *= (total_width + max_group_size - 1) / max_group_size;
}
// Ensure power of 2 - width
if (group_width > 256)
group_width = 512;
else if (group_width > 128)
group_width = 256;
else if (group_width > 64)
group_width = 128;
else if (group_width > 32)
group_width = 64;
else group_width = 32;
// Ensure power of 2 - height
if (group_height > 256)
group_height = 512;
else if (group_height > 128)
group_height = 256;
else if (group_height > 64)
group_height = 128;
else if (group_height > 32)
group_height = 64;
else group_height = 32;
// Only create group if an object will definately fit into it
if ( (group_width >= min_width) && (group_height >= min_height) && (num_objects > 1) )
{
texture_group = CL_TextureGroup(CL_Size(group_width, group_height));
}
}
int texture_group_width;
int texture_group_height;
if (texture_group.is_null())
{
texture_group_width = -1;
texture_group_height = -1;
}
else
{
CL_Size size = texture_group.get_texture_sizes();
texture_group_width = size.width;
texture_group_height = size.height;
}
for (it_frames = description_frames.begin(); it_frames != description_frames.end(); ++it_frames)
{
CL_SpriteDescriptionFrame description_frame = (*it_frames);
if(description_frame.type == CL_SpriteDescriptionFrame::type_pixelbuffer)
{
CL_PixelBuffer image = description_frame.pixelbuffer;
if (texture_group_width >0 &&
description_frame.rect.get_width() <= texture_group_width &&
description_frame.rect.get_height() <= texture_group_height)
{
CL_Subtexture subtexture = texture_group.add(gc, description_frame.rect.get_size());
subtexture.get_texture().set_subimage(subtexture.get_geometry().get_top_left(), image, description_frame.rect);
subtexture.get_texture().set_mag_filter(linear_filter ? cl_filter_linear : cl_filter_nearest);
subtexture.get_texture().set_min_filter(linear_filter ? cl_filter_linear : cl_filter_nearest);
SpriteFrame frame;
frame.position = subtexture.get_geometry();
frame.texture = subtexture.get_texture();
frame.delay_ms = 60;
frame.offset = CL_Point(0, 0);
frames.push_back(frame);
}
else
{
int width = description_frame.rect.get_width();
int height = description_frame.rect.get_height();
// Note, forced power of 2 textures have clamping issues
int texture_width = width;
int texture_height = height;
CL_Texture texture(gc, texture_width, texture_height);
texture.set_subimage(CL_Point(0,0), image, description_frame.rect);
texture.set_mag_filter(linear_filter ? cl_filter_linear : cl_filter_nearest);
texture.set_min_filter(linear_filter ? cl_filter_linear : cl_filter_nearest);
SpriteFrame frame;
frame.position = CL_Rect(0, 0, width, height);
frame.texture = texture;
frame.delay_ms = 60;
frame.offset = CL_Point(0, 0);
frames.push_back(frame);
}
}
else if(description_frame.type == CL_SpriteDescriptionFrame::type_texture)
{
SpriteFrame frame;
frame.position = description_frame.rect;
frame.texture = description_frame.texture;
frame.delay_ms = 60;
frame.offset = CL_Point(0, 0);
frames.push_back(frame);
}
}
}
CL_Sprite*
ManagerSprite::loadSprite(
CL_GraphicContext& gc,
const typelib::size2Int_t& needVisualSize,
const pathSprite_t& path
) {
// пробуем получить спрайт из кеша
const auto ftr = mKnownSprite.find( path );
if (ftr != mKnownSprite.cend()) {
return ftr->second.get();
}
// собираем фреймы для спрайта
// # Фреймы спрайта сгруппированы по папкам событий.
#ifdef _DEBUG
std::cout << "\nПодготавливаем спрайт '" << path << "'\n";
#endif
std::unique_ptr< CL_Sprite > sprite;
// фреймы для визуального образа
CL_SpriteDescription ds;
std::set< std::string > frameSet;
typelib::file::listFile( &frameSet, path, "png" );
typelib::file::listFile( &frameSet, path, "jpg" );
/* - # Допустимо, что спрайта для некоторых событий нет.
ASSERT( !frameSet.empty()
&& "Для спрайта не найдено ни одного фрейма. "
" Визуальный образ не может быть собран." );
*/
if ( !frameSet.empty() ) {
for (auto ftr = frameSet.cbegin(); ftr != frameSet.cend(); ++ftr) {
const std::string& f = *ftr;
const std::string pathFrame = path + "/" + f;
const auto image = frame( pathFrame );
ds.add_frame( *image );
}
// сам виз. образ
sprite = std::unique_ptr< CL_Sprite >( new CL_Sprite( gc, ds ) );
// @todo Конфигурируем спрайт.
// начало координат для спрайта - по центру
const int cx = sprite->get_width() / 2;
const int cy = sprite->get_height() / 2;
sprite->set_alignment( origin_center );
// задаём масштаб
// # Учитываем существующий масштаб спрайта.
float fixSX, fixSY;
sprite->get_scale( fixSX, fixSY );
const typelib::size2_t scale(
needVisualSize.x / static_cast< float >( sprite->get_width() ) * fixSX,
needVisualSize.y / static_cast< float >( sprite->get_height() ) * fixSY
);
sprite->set_scale( scale.x, scale.y );
sprite->update();
#ifdef _DEBUG
std::cout << "Спрайт '" << path << "' собран.\n";
#endif
} else {
#ifdef _DEBUG
std::cout << "Спрайт '" << path << "' не найден.\n";
#endif
} // else if ( !frameSet.empty() )
// # Есть спрайт или нет - отметим факт загрузки.
const auto ltr = mKnownSprite.insert(
std::make_pair( path, std::move( sprite ) )
).first;
return ltr->second.get();
}