TileSet::TileSet(unsigned int firstgid, const std::string& name, unsigned int tilewidth,
unsigned int tileheight, tmx::Image image, unsigned int spacing,
unsigned int margin, sf::Vector2i tileoffset) :
firstgid_(firstgid),
name_(name),
tilewidth_(tilewidth),
tileheight_(tileheight),
spacing_(spacing),
margin_(margin),
width_no_spacing_(0),
height_no_spacing_(0),
image_(image),
tileoffset_(tileoffset) {
unsigned int width_no_margin = image_.GetWidth() - (margin_ * 2);
unsigned int height_no_margin = image_.GetHeight() - (margin_ * 2);
if (spacing != 0) {
for (unsigned int i = 0; i <= width_no_margin;) {
i += tilewidth + spacing_;
width_no_spacing_ += tilewidth;
}
for (unsigned int i = 0; i <= height_no_margin;) {
i += tileheight + spacing_;
height_no_spacing_ += tileheight;
}
} else {
width_no_spacing_ = width_no_margin;
height_no_spacing_ = height_no_margin;
}
lastgid_ = firstgid + (width_no_spacing_ / tilewidth) * (height_no_spacing_ / tileheight) - 1;
// Add each tile to the TileSet
unsigned int tile_amount = lastgid_ - firstgid_ + 1;
sf::Vector2u cont;
sf::Vector2u tile_pos;
tiles_.reserve(tile_amount);
for (unsigned int i = 0; i < tile_amount; ++i) {
tile_pos.x = (cont.x * tilewidth_) + (spacing_ * cont.x) + margin_;
tile_pos.y = (cont.y * tileheight_) + (spacing_ * cont.y) + margin_;
sf::IntRect texture_rect(tile_pos.x, tile_pos.y, tilewidth_, tileheight_);
tiles_.push_back(tmx::TileSet::Tile(i, texture_rect, this));
cont.x = (cont.x + 1) % (width_no_spacing_ / tilewidth_);
if (cont.x == 0) cont.y += 1;
}
}
Primitive::Ptr Renderer::CreateText( const sf::Text& text, sf::Color background_color_hint ) {
Primitive::Ptr primitive( new Primitive );
const sf::Font& font = text.getFont();
unsigned int character_size = text.getCharacterSize();
sf::Color color = text.getColor();
if( m_preblend ) {
color = sf::Color::White;
}
sf::Vector2f atlas_offset = LoadFont( font, character_size, background_color_hint, text.getColor() );
const sf::String& str = text.getString();
std::size_t length = str.getSize();
float horizontal_spacing = static_cast<float>( font.getGlyph( L' ', character_size, false ).advance );
float vertical_spacing = static_cast<float>( font.getLineSpacing( character_size ) );
sf::Vector2f position( std::floor( text.getPosition().x + .5f ), std::floor( text.getPosition().y + static_cast<float>( character_size ) + .5f ) );
const static float tab_spaces = 2.f;
sf::Uint32 previous_character = 0;
for( std::size_t index = 0; index < length; ++index ) {
sf::Uint32 current_character = str[index];
position.x += static_cast<float>( font.getKerning( previous_character, current_character, character_size ) );
switch( current_character ) {
case L' ':
position.x += horizontal_spacing;
continue;
case L'\t':
position.x += horizontal_spacing * tab_spaces;
continue;
case L'\n':
position.y += vertical_spacing;
position.x = 0.f;
continue;
case L'\v':
position.y += vertical_spacing * tab_spaces;
continue;
default:
break;
}
const sf::Glyph& glyph = font.getGlyph( current_character, character_size, false );
Primitive::Vertex vertex0;
Primitive::Vertex vertex1;
Primitive::Vertex vertex2;
Primitive::Vertex vertex3;
vertex0.position = position + sf::Vector2f( static_cast<float>( glyph.bounds.left ), static_cast<float>( glyph.bounds.top ) );
vertex1.position = position + sf::Vector2f( static_cast<float>( glyph.bounds.left ), static_cast<float>( glyph.bounds.top + glyph.bounds.height ) );
vertex2.position = position + sf::Vector2f( static_cast<float>( glyph.bounds.left + glyph.bounds.width ), static_cast<float>( glyph.bounds.top ) );
vertex3.position = position + sf::Vector2f( static_cast<float>( glyph.bounds.left + glyph.bounds.width ), static_cast<float>( glyph.bounds.top + glyph.bounds.height ) );
vertex0.color = color;
vertex1.color = color;
vertex2.color = color;
vertex3.color = color;
// Let SFML cast the Rect for us.
sf::FloatRect texture_rect( glyph.textureRect );
vertex0.texture_coordinate = atlas_offset + sf::Vector2f( texture_rect.left, texture_rect.top );
vertex1.texture_coordinate = atlas_offset + sf::Vector2f( texture_rect.left, texture_rect.top + texture_rect.height );
vertex2.texture_coordinate = atlas_offset + sf::Vector2f( texture_rect.left + texture_rect.width, texture_rect.top );
vertex3.texture_coordinate = atlas_offset + sf::Vector2f( texture_rect.left + texture_rect.width, texture_rect.top + texture_rect.height );
primitive->AddVertex( vertex0 );
primitive->AddVertex( vertex1 );
primitive->AddVertex( vertex2 );
primitive->AddVertex( vertex2 );
primitive->AddVertex( vertex1 );
primitive->AddVertex( vertex3 );
position.x += static_cast<float>( glyph.advance );
previous_character = current_character;
}
AddPrimitive( primitive );
return primitive;
}
