void floating_label::draw(surface screen)
{
if(!visible_) {
buf_.assign(nullptr);
return;
}
if(screen == nullptr) {
return;
}
create_surface();
if(surf_ == nullptr) {
return;
}
if(buf_ == nullptr) {
buf_.assign(create_compatible_surface(screen, surf_->w, surf_->h));
if(buf_ == nullptr) {
return;
}
}
SDL_Rect rect = sdl::create_rect(xpos(surf_->w), ypos_, surf_->w, surf_->h);
const clip_rect_setter clip_setter(screen, &clip_rect_);
sdl_copy_portion(screen,&rect,buf_,nullptr);
sdl_blit(surf_,nullptr,screen,&rect);
}
bool halo_impl::effect::render()
{
if(disp == nullptr) {
return false;
}
if(loc_.x != -1 && loc_.y != -1) {
if(disp->shrouded(loc_)) {
return false;
} else {
// The location of a halo is an x,y value and not a map location.
// This means when a map is zoomed, the halo's won't move,
// This glitch is most visible on [item] haloes.
// This workaround always recalculates the location of the halo
// (item haloes have a location parameter to hide them under the shroud)
// and reapplies that location.
// It might be optimized by storing and comparing the zoom value.
set_location(
disp->get_location_x(loc_) + disp->hex_size() / 2,
disp->get_location_y(loc_) + disp->hex_size() / 2);
}
}
images_.update_last_draw_time();
surf_.assign(image::get_image(current_image(),image::SCALED_TO_ZOOM));
if(surf_ == nullptr) {
return false;
}
if(orientation_ == HREVERSE || orientation_ == HVREVERSE) {
surf_.assign(image::reverse_image(surf_));
}
if(orientation_ == VREVERSE || orientation_ == HVREVERSE) {
surf_.assign(flop_surface(surf_));
}
const int screenx = disp->get_location_x(map_location::ZERO());
const int screeny = disp->get_location_y(map_location::ZERO());
const int xpos = x_ + screenx - surf_->w/2;
const int ypos = y_ + screeny - surf_->h/2;
SDL_Rect rect = sdl::create_rect(xpos, ypos, surf_->w, surf_->h);
rect_ = rect;
SDL_Rect clip_rect = disp->map_outside_area();
// If rendered the first time, need to determine the area affected.
// If a halo changes size, it is not updated.
if(location_not_known()) {
display::rect_of_hexes hexes = disp->hexes_under_rect(rect);
display::rect_of_hexes::iterator i = hexes.begin(), end = hexes.end();
for (;i != end; ++i) {
overlayed_hexes_.push_back(*i);
}
}
if(sdl::rects_overlap(rect,clip_rect) == false) {
buffer_.assign(nullptr);
return false;
}
surface& screen = disp->get_screen_surface();
const clip_rect_setter clip_setter(screen, &clip_rect);
if(buffer_ == nullptr || buffer_->w != rect.w || buffer_->h != rect.h) {
SDL_Rect rect = rect_;
buffer_.assign(get_surface_portion(screen,rect));
} else {
SDL_Rect rect = rect_;
sdl_copy_portion(screen,&rect,buffer_,nullptr);
}
sdl_blit(surf_,nullptr,screen,&rect);
update_rect(rect_);
return true;
}
void draw(surface screen)
{
if(use_color_cursors() == false) {
return;
}
if(current_cursor == NUM_CURSORS) {
current_cursor = NORMAL;
}
if(have_focus == false) {
cursor_buf = NULL;
return;
}
if (!color_ready) {
// Display start to draw cursor
// so it can now display color cursor
color_ready = true;
// Reset the cursor to be sure that we hide the b&w
set();
}
/** @todo FIXME: don't parse the file path every time
*/
const surface surf(image::get_image("cursors/" + color_images[current_cursor]));
if(surf == NULL) {
// Fall back to b&w cursors
std::cerr << "could not load color cursors. Falling back to hardware cursors\n";
preferences::set_color_cursors(false);
return;
}
if(cursor_buf != NULL && (cursor_buf->w != surf->w || cursor_buf->h != surf->h)) {
cursor_buf = NULL;
}
if(cursor_buf == NULL) {
cursor_buf = create_compatible_surface(surf);
if(cursor_buf == NULL) {
std::cerr << "Could not allocate surface for mouse cursor\n";
return;
}
}
int new_cursor_x, new_cursor_y;
SDL_GetMouseState(&new_cursor_x,&new_cursor_y);
const bool must_update = new_cursor_x != cursor_x || new_cursor_y != cursor_y;
cursor_x = new_cursor_x;
cursor_y = new_cursor_y;
// Save the screen area where the cursor is being drawn onto the back buffer
SDL_Rect area = sdl::create_rect(cursor_x - shift_x[current_cursor]
, cursor_y - shift_y[current_cursor]
, surf->w
, surf->h);
sdl_copy_portion(screen,&area,cursor_buf,NULL);
// Blit the surface
sdl_blit(surf,NULL,screen,&area);
if(must_update) {
update_rect(area);
}
}
