void unit::redraw_unit()
{
if (!loc_.valid()) {
return;
}
if (refreshing_) {
return;
}
trefreshing_lock lock(*this);
redraw_counter_ ++;
const int xsrc = disp_.get_location_x(loc_);
const int ysrc = disp_.get_location_y(loc_);
int zoom = disp_.hex_width();
surface surf = create_neutral_surface(zoom, zoom);
if (surf) {
disp_.drawing_buffer_add(display::LAYER_UNIT_DEFAULT, loc_, xsrc, ysrc, surf);
}
int ellipse_floating = 0;
if (loc_ == controller_.selected_hex()) {
disp_.drawing_buffer_add(display::LAYER_UNIT_BG, loc_,
xsrc, ysrc - ellipse_floating, image::get_image("misc/ellipse-top.png", image::SCALED_TO_ZOOM));
disp_.drawing_buffer_add(display::LAYER_UNIT_FIRST, loc_,
xsrc, ysrc - ellipse_floating, image::get_image("misc/ellipse-bottom.png", image::SCALED_TO_ZOOM));
}
}
sdl::timage draw_text_to_texture(const SDL_Rect &area, int size, const SDL_Color &color, const std::string &text, bool use_tooltips, int style)
{
SDL_Rect rect = text_area(text, size, style);
surface surf = create_neutral_surface(rect.w, rect.h);
draw_text(surf, area, size, color, text, 0, 0, use_tooltips, style);
return sdl::timage(surf);
}
surface mask_modification::operator()(const surface& src) const
{
if(src->w == mask_->w && src->h == mask_->h && x_ == 0 && y_ == 0)
return mask_surface(src, mask_);
SDL_Rect r = create_rect(x_, y_, 0, 0);
surface new_mask = create_neutral_surface(src->w, src->h);
blit_surface(mask_, NULL, new_mask, &r);
return mask_surface(src, new_mask);
}
void mouse_action::set_terrain_mouse_overlay(editor_display& disp, const t_translation::t_terrain & fg,
const t_translation::t_terrain & bg)
{
surface image_fg(image::get_image(disp.get_map().get_terrain_info(fg).editor_image()));
surface image_bg(image::get_image(disp.get_map().get_terrain_info(bg).editor_image()));
if (image_fg == nullptr || image_bg == nullptr) {
ERR_ED << "Missing terrain icon" << std::endl;
disp.set_mouseover_hex_overlay(nullptr);
return;
}
// Create a transparent surface of the right size.
surface image = create_neutral_surface(image_fg->w, image_fg->h);
// For efficiency the size of the tile is cached.
// We assume all tiles are of the same size.
// The zoom factor can change, so it's not cached.
// NOTE: when zooming and not moving the mouse, there are glitches.
// Since the optimal alpha factor is unknown, it has to be calculated
// on the fly, and caching the surfaces makes no sense yet.
static const fixed_t alpha = 196;
static const int size = image_fg->w;
static const int half_size = size / 2;
static const int quarter_size = size / 4;
static const int offset = 2;
static const int new_size = half_size - 2;
// Blit left side
image_fg = scale_surface(image_fg, new_size, new_size);
SDL_Rect rcDestLeft = sdl::create_rect(offset, quarter_size, 0, 0);
blit_surface ( image_fg, nullptr, image, &rcDestLeft );
// Blit right side
image_bg = scale_surface(image_bg, new_size, new_size);
SDL_Rect rcDestRight = sdl::create_rect(half_size, quarter_size, 0, 0);
blit_surface ( image_bg, nullptr, image, &rcDestRight );
//apply mask so the overlay is contained within the mouseover hex
image = mask_surface(image, image::get_hexmask());
// Add the alpha factor
image = adjust_surface_alpha(image, alpha);
// scale the image
const int zoom = disp.hex_size();
if (zoom != game_config::tile_size) {
image = scale_surface(image, zoom, zoom);
}
// Set as mouseover
disp.set_mouseover_hex_overlay(image);
}
void mouse_action_village::set_mouse_overlay(editor_display& disp)
{
surface image60 = image::get_image("icons/action/editor-tool-village_60.png");
//TODO avoid hardcoded hex field size
surface image = create_neutral_surface(72,72);
SDL_Rect r = sdl::create_rect(6, 6, 0, 0);
blit_surface(image60, NULL, image, &r);
Uint8 alpha = 196;
int size = image->w;
int zoom = static_cast<int>(size * disp.get_zoom_factor());
// Add the alpha factor and scale the image
image = scale_surface(adjust_surface_alpha(image, alpha), zoom, zoom);
disp.set_mouseover_hex_overlay(image);
}
void part_ui::prepare_background()
{
// Build background surface
if(p_.background().empty() != true) {
background_.assign( image::get_image(p_.background()) );
}
has_background_ = !background_.null();
if(background_.null() || background_->w * background_-> h == 0) {
background_.assign( create_neutral_surface(video_.getx(), video_.gety()) );
}
const double xscale = 1.0 * video_.getx() / background_->w;
const double yscale = 1.0 * video_.gety() / background_->h;
scale_factor_ = p_.scale_background() ? std::min<double>(xscale,yscale) : 1.0;
background_ =
scale_surface(background_, static_cast<int>(background_->w*scale_factor_), static_cast<int>(background_->h*scale_factor_));
ASSERT_LOG(background_.null() == false, "Oops: storyscreen part background got NULL");
}
surface getMinimap(int w, int h, const gamemap &map, const team *vw)
{
const int scale = 8;
DBG_DP << "creating minimap " << int(map.w()*scale*0.75) << "," << map.h()*scale << "\n";
const size_t map_width = map.w()*scale*3/4;
const size_t map_height = map.h()*scale;
if(map_width == 0 || map_height == 0) {
return surface(NULL);
}
surface minimap(create_neutral_surface(map_width, map_height));
if(minimap == NULL)
return surface(NULL);
typedef mini_terrain_cache_map cache_map;
cache_map *normal_cache = &mini_terrain_cache;
cache_map *fog_cache = &mini_fogged_terrain_cache;
for(int y = 0; y != map.total_height(); ++y) {
for(int x = 0; x != map.total_width(); ++x) {
surface surf(NULL);
const map_location loc(x,y);
if(map.on_board(loc)) {
const bool shrouded = (vw != NULL && vw->shrouded(loc));
// shrouded hex are not considered fogged (no need to fog a black image)
const bool fogged = (vw != NULL && !shrouded && vw->fogged(loc));
const t_translation::t_terrain terrain = shrouded ?
t_translation::VOID_TERRAIN : map[loc];
const terrain_type& terrain_info = map.get_terrain_info(terrain);
bool need_fogging = false;
cache_map* cache = fogged ? fog_cache : normal_cache;
cache_map::iterator i = cache->find(terrain);
if (fogged && i == cache->end()) {
// we don't have the fogged version in cache
// try the normal cache and ask fogging the image
cache = normal_cache;
i = cache->find(terrain);
need_fogging = true;
}
if(i == cache->end()) {
std::string base_file =
"terrain/" + terrain_info.minimap_image() + ".png";
surface tile = get_image(base_file,image::HEXED);
//Compose images of base and overlay if necessary
// NOTE we also skip overlay when base is missing (to avoid hiding the error)
if(tile != NULL && map.get_terrain_info(terrain).is_combined()) {
std::string overlay_file =
"terrain/" + terrain_info.minimap_image_overlay() + ".png";
surface overlay = get_image(overlay_file,image::HEXED);
if(overlay != NULL && overlay != tile) {
surface combined = create_neutral_surface(tile->w, tile->h);
SDL_Rect r = create_rect(0,0,0,0);
sdl_blit(tile, NULL, combined, &r);
r.x = std::max(0, (tile->w - overlay->w)/2);
r.y = std::max(0, (tile->h - overlay->h)/2);
//blit_surface needs neutral surface
surface overlay_neutral = make_neutral_surface(overlay);
blit_surface(overlay_neutral, NULL, combined, &r);
tile = combined;
}
}
surf = scale_surface_sharp(tile, scale, scale);
i = normal_cache->insert(cache_map::value_type(terrain,surf)).first;
}
surf = i->second;
if (need_fogging) {
surf = adjust_surface_color(surf,-50,-50,-50);
fog_cache->insert(cache_map::value_type(terrain,surf));
}
// we need a balanced shift up and down of the hexes.
// if not, only the bottom half-hexes are clipped
// and it looks asymmetrical.
// also do 1-pixel shift because the scaling
// function seems to do it with its rounding
SDL_Rect maprect = create_rect(
x * scale * 3 / 4 - 1
, y * scale + scale / 4 * (is_odd(x) ? 1 : -1) - 1
, 0
, 0);
if(surf != NULL)
sdl_blit(surf, NULL, minimap, &maprect);
}
}
}
double wratio = w*1.0 / minimap->w;
double hratio = h*1.0 / minimap->h;
double ratio = std::min<double>(wratio, hratio);
minimap = scale_surface_sharp(minimap,
static_cast<int>(minimap->w * ratio), static_cast<int>(minimap->h * ratio));
DBG_DP << "done generating minimap\n";
return minimap;
}
void battle_prediction_pane::get_hp_distrib_surface(const std::vector<std::pair<int, double> >& hp_prob_vector,
const battle_context_unit_stats& stats,
const battle_context_unit_stats& opp_stats,
surface& surf, int& width, int& height)
{
// Font size. If you change this, you must update the separator space.
int fs = font::SIZE_SMALL;
// Space before HP separator.
int hp_sep = 24 + 6;
// Bar space between both separators.
int bar_space = 150;
// Space after percentage separator.
int percent_sep = 43 + 6;
// Surface width and height.
width = 30 + 2 + bar_space + 2 + percent_sep;
height = 5 + (fs + 2) * hp_prob_vector.size();
// Create the surface.
surf = create_neutral_surface(width, height);
// Disable alpha channel to avoid problem with sdl_blit
SDL_SetAlpha(surf, 0, SDL_ALPHA_OPAQUE);
SDL_Rect clip_rect = sdl::create_rect(0, 0, width, height);
Uint32 grey_color = SDL_MapRGBA(surf->format, 0xb7, 0xc1, 0xc1, 255);
Uint32 background_color = SDL_MapRGBA(surf->format, 25, 25, 25, 255);
sdl::fill_rect(surf, &clip_rect, background_color);
// Draw the surrounding borders and separators.
SDL_Rect top_border_rect = sdl::create_rect(0, 0, width, 2);
sdl::fill_rect(surf, &top_border_rect, grey_color);
SDL_Rect bottom_border_rect = sdl::create_rect(0, height - 2, width, 2);
sdl::fill_rect(surf, &bottom_border_rect, grey_color);
SDL_Rect left_border_rect = sdl::create_rect(0, 0, 2, height);
sdl::fill_rect(surf, &left_border_rect, grey_color);
SDL_Rect right_border_rect = sdl::create_rect(width - 2, 0, 2, height);
sdl::fill_rect(surf, &right_border_rect, grey_color);
SDL_Rect hp_sep_rect = sdl::create_rect(hp_sep, 0, 2, height);
sdl::fill_rect(surf, &hp_sep_rect, grey_color);
SDL_Rect percent_sep_rect = sdl::create_rect(width - percent_sep - 2, 0, 2, height);
sdl::fill_rect(surf, &percent_sep_rect, grey_color);
// Draw the rows (lower HP values are at the bottom).
for(int i = 0; i < static_cast<int>(hp_prob_vector.size()); i++) {
char str_buf[10];
// Get the HP and probability.
int hp = hp_prob_vector[hp_prob_vector.size() - i - 1].first;
double prob = hp_prob_vector[hp_prob_vector.size() - i - 1].second;
SDL_Color row_color;
// Death line is red.
if(hp == 0) {
SDL_Color color = {0xe5, 0, 0, 0};
row_color = color;
}
// Below current hitpoints value is orange.
else if(hp < static_cast<int>(stats.hp)) {
// Stone is grey.
if(opp_stats.petrifies) {
SDL_Color color = {0x9a, 0x9a, 0x9a, 0};
row_color = color;
} else {
SDL_Color color = {0xf4, 0xc9, 0, 0};
row_color = color;
}
}
// Current hitpoints value and above is green.
else {
SDL_Color color = {0x08, 0xca, 0, 0};
row_color = color;
}
// Print HP, aligned right.
snprintf(str_buf, 10, "%d", hp);
str_buf[9] = '\0'; //prevents _snprintf error
int hp_width = font::line_width(str_buf, fs);
// Draw bars.
font::draw_text_line(surf, clip_rect, fs, font::NORMAL_COLOR, str_buf,
hp_sep - hp_width - 2, 2 + (fs + 2) * i, 0, TTF_STYLE_NORMAL);
int bar_len = std::max<int>(static_cast<int>((prob * (bar_space - 4)) + 0.5), 2);
SDL_Rect bar_rect_1 = sdl::create_rect(hp_sep + 4, 6 + (fs + 2) * i, bar_len, 8);
sdl::fill_rect(surf, &bar_rect_1, blend_rgb(surf, row_color.r, row_color.g, row_color.b, 100));
SDL_Rect bar_rect_2 = sdl::create_rect(hp_sep + 4, 7 + (fs + 2) * i, bar_len, 6);
sdl::fill_rect(surf, &bar_rect_2, blend_rgb(surf, row_color.r, row_color.g, row_color.b, 66));
SDL_Rect bar_rect_3 = sdl::create_rect(hp_sep + 4, 8 + (fs + 2) * i, bar_len, 4);
sdl::fill_rect(surf, &bar_rect_3, blend_rgb(surf, row_color.r, row_color.g, row_color.b, 33));
SDL_Rect bar_rect_4 = sdl::create_rect(hp_sep + 4, 9 + (fs + 2) * i, bar_len, 2);
sdl::fill_rect(surf, &bar_rect_4, blend_rgb(surf, row_color.r, row_color.g, row_color.b, 0));
// Draw probability percentage, aligned right.
format_prob(str_buf, prob);
int prob_width = font::line_width(str_buf, fs);
font::draw_text_line(surf, clip_rect, fs, font::NORMAL_COLOR, str_buf,
width - prob_width - 4, 2 + (fs + 2) * i, 0, TTF_STYLE_NORMAL);
}
}
void timage::draw(surface& canvas
, const game_logic::map_formula_callable& variables)
{
DBG_GUI_D << "Image: draw.\n";
/**
* @todo formulas are now recalculated every draw cycle which is a bit
* silly unless there has been a resize. So to optimize we should use an
* extra flag or do the calculation in a separate routine.
*/
const std::string& name = image_name_(variables);
if(name.empty()) {
DBG_GUI_D << "Image: formula returned no value, will not be drawn.\n";
return;
}
/*
* The locator might return a different surface for every call so we can't
* cache the output, also not if no formula is used.
*/
surface tmp(image::get_image(image::locator(name)));
if(!tmp) {
ERR_GUI_D << "Image: '" << name << "' not found and won't be drawn.\n";
return;
}
image_.assign(make_neutral_surface(tmp));
assert(image_);
src_clip_ = ::create_rect(0, 0, image_->w, image_->h);
game_logic::map_formula_callable local_variables(variables);
local_variables.add("image_original_width", variant(image_->w));
local_variables.add("image_original_height", variant(image_->h));
unsigned w = w_(local_variables);
VALIDATE_WITH_DEV_MESSAGE(
static_cast<int>(w) >= 0
, _("Image doesn't fit on canvas.")
, (formatter() << "Image '" << name
<< "', w = " << static_cast<int>(w) << ".").str());
unsigned h = h_(local_variables);
VALIDATE_WITH_DEV_MESSAGE(
static_cast<int>(h) >= 0
, _("Image doesn't fit on canvas.")
, (formatter() << "Image '" << name
<< "', h = " << static_cast<int>(h) << ".").str());
local_variables.add("image_width", variant(w ? w : image_->w));
local_variables.add("image_height", variant(h ? h : image_->h));
const unsigned x = x_(local_variables);
VALIDATE_WITH_DEV_MESSAGE(
static_cast<int>(x) >= 0
, _("Image doesn't fit on canvas.")
, (formatter() << "Image '" << name
<< "', x = " << static_cast<int>(x) << ".").str());
const unsigned y = y_(local_variables);
VALIDATE_WITH_DEV_MESSAGE(
static_cast<int>(y) >= 0
, _("Image doesn't fit on canvas.")
, (formatter() << "Image '" << name
<< "', y = " << static_cast<int>(y) << ".").str());
// Copy the data to local variables to avoid overwriting the originals.
SDL_Rect src_clip = src_clip_;
SDL_Rect dst_clip = ::create_rect(x, y, 0, 0);
surface surf;
// Test whether we need to scale and do the scaling if needed.
if(w || h) {
bool done = false;
bool stretch_image = (resize_mode_ == stretch) && (!!w ^ !!h);
if(!w) {
if(stretch_image) {
DBG_GUI_D << "Image: vertical stretch from " << image_->w
<< ',' << image_->h << " to a height of " << h << ".\n";
surf = stretch_surface_vertical(image_, h, false);
done = true;
}
w = image_->w;
}
if(!h) {
if(stretch_image) {
DBG_GUI_D << "Image: horizontal stretch from " << image_->w
<< ',' << image_->h << " to a width of " << w << ".\n";
surf = stretch_surface_horizontal(image_, w, false);
done = true;
}
h = image_->h;
}
if(!done) {
if(resize_mode_ == tile) {
DBG_GUI_D << "Image: tiling from " << image_->w
<< ',' << image_->h << " to " << w << ',' << h << ".\n";
const int columns = (w + image_->w - 1) / image_->w;
const int rows = (h + image_->h - 1) / image_->h;
surf = create_neutral_surface(w, h);
for(int x = 0; x < columns; ++x) {
for(int y = 0; y < rows; ++y) {
const SDL_Rect dest = ::create_rect(
x * image_->w
, y * image_->h
, 0
, 0);
blit_surface(image_, NULL, surf, &dest);
}
}
} else {
if(resize_mode_ == stretch) {
ERR_GUI_D << "Image: failed to stretch image, "
"fall back to scaling.\n";
}
DBG_GUI_D << "Image: scaling from " << image_->w
<< ',' << image_->h << " to " << w << ',' << h << ".\n";
surf = scale_surface(image_, w, h, false);
}
}
src_clip.w = w;
src_clip.h = h;
} else {
surf = image_;
}
if(vertical_mirror_(local_variables)) {
surf = flip_surface(surf, false);
}
blit_surface(surf, &src_clip, canvas, &dst_clip);
}
void part_ui::prepare_background()
{
#ifdef SDL_GPU
base_rect_.w = video_.getx();
base_rect_.h = video_.gety();
has_background_ = false;
bool no_base_yet = true;
BOOST_FOREACH(const background_layer& bl, p_.get_background_layers()) {
sdl::timage layer;
if (!bl.file().empty()) {
layer = image::get_texture(bl.file());
}
has_background_ = has_background_ || !layer.null();
if(layer.null() || layer.width() * layer.height() == 0) {
continue;
}
const double xscale = 1.0 * video_.getx() / layer.base_width();
const double yscale = 1.0 * video_.gety() / layer.base_height();
const bool scalev = bl.scale_vertically();
const bool scaleh = bl.scale_horizontally();
const bool keep_ratio = bl.keep_aspect_ratio();
const bool tileh = bl.tile_horizontally();
const bool tilev = bl.tile_vertically();
double x_scale_factor = scaleh ? xscale : 1.0;
double y_scale_factor = scalev ? yscale : 1.0;
if (scalev && scaleh && keep_ratio) {
x_scale_factor = y_scale_factor = std::min<double>(xscale, yscale);
} else if (keep_ratio && scaleh) {
x_scale_factor = y_scale_factor = xscale;
} else if (keep_ratio && scalev) {
x_scale_factor = y_scale_factor = yscale;
}
layer.set_smooth_scaling(true);
SDL_Rect clip = sdl::create_rect(0, 0, layer.base_width(), layer.base_height());
if (tileh) {
clip.x = (layer.base_width() - video_.getx())/2;
clip.w = video_.getx();
layer.set_hwrap(GPU_WRAP_REPEAT);
}
if (tilev) {
clip.y = (layer.base_height() - video_.gety())/2;
clip.h = video_.gety();
layer.set_vwrap(GPU_WRAP_REPEAT);
}
layer.set_clip(clip);
layer.set_scale(x_scale_factor, y_scale_factor);
SDL_Rect base_rect = sdl::create_rect(
(video_.getx() - layer.width()) / 2
, (video_.gety() - layer.height()) / 2
, layer.width()
, layer.height());
background_images_.push_back(layer);
background_positions_.push_back(std::pair<int, int>(base_rect.x, base_rect.y));
if (bl.is_base_layer() || no_base_yet) {
x_scale_factor_ = x_scale_factor;
y_scale_factor_ = y_scale_factor;
base_rect_ = base_rect;
no_base_yet = false;
}
}
#else
background_.assign( create_neutral_surface(video_.getx(), video_.gety()) );
base_rect_.w = video_.getx();
base_rect_.h = video_.gety();
has_background_ = false;
bool no_base_yet = true;
// Build background surface
BOOST_FOREACH(const background_layer& bl, p_.get_background_layers()) {
surface layer;
if(bl.file().empty() != true) {
layer.assign( image::get_image(bl.file()) );
}
has_background_ = has_background_ || !layer.null();
if(layer.null() || layer->w * layer->h == 0) {
continue;
}
layer = make_neutral_surface(layer);
const double xscale = 1.0 * video_.getx() / layer->w;
const double yscale = 1.0 * video_.gety() / layer->h;
const bool scalev = bl.scale_vertically();
const bool scaleh = bl.scale_horizontally();
const bool keep_ratio = bl.keep_aspect_ratio();
double x_scale_factor = scaleh ? xscale : 1.0;
double y_scale_factor = scalev ? yscale : 1.0;
if (scalev && scaleh && keep_ratio) {
x_scale_factor = y_scale_factor = std::min<double>(xscale, yscale);
} else if (keep_ratio && scaleh) {
x_scale_factor = y_scale_factor = xscale;
} else if (keep_ratio && scalev) {
x_scale_factor = y_scale_factor = yscale;
}
layer = scale_surface(layer, static_cast<int>(layer->w*x_scale_factor), static_cast<int>(layer->h*y_scale_factor), false);
const int tilew = bl.tile_horizontally() ? video_.getx() : layer->w;
const int tileh = bl.tile_vertically() ? video_.gety() : layer->h;
layer = tile_surface(layer, tilew, tileh, false);
SDL_Rect drect = sdl::create_rect(
(background_->w - layer->w) / 2
, (background_->h - layer->h) / 2
, layer->w
, layer->h);
SDL_Rect srect = sdl::create_rect(
0
, 0
, layer->w
, layer->h);
SDL_Rect base_rect = drect;
// If we can't see the whole image anyways, we'll want to display the
// top-middle area.
if (drect.y < 0) {
drect.y = 0;
base_rect.y = 0;
}
if (drect.x < 0) {
srect.x -= drect.x;
drect.x = 0;
}
blit_surface(layer, &srect, background_, &drect);
ASSERT_LOG(layer.null() == false, "Oops: a storyscreen part background layer got NULL");
if (bl.is_base_layer() || no_base_yet) {
x_scale_factor_ = x_scale_factor;
y_scale_factor_ = y_scale_factor;
base_rect_ = base_rect;
no_base_yet = false;
}
}
#endif
}
surface floating_label::create_surface()
{
if(surf_.null()) {
font::pango_text text;
text.set_foreground_color(color_);
text.set_font_size(font_size_);
text.set_maximum_width(width_ < 0 ? clip_rect_.w : width_);
text.set_maximum_height(height_ < 0 ? clip_rect_.h : height_, true);
// ignore last '\n'
if(!text_.empty() && *(text_.rbegin()) == '\n') {
text.set_text(std::string(text_.begin(), text_.end() - 1), use_markup_);
} else {
text.set_text(text_, use_markup_);
}
surface foreground = text.render();
if(foreground == nullptr) {
ERR_FT << "could not create floating label's text" << std::endl;
return nullptr;
}
// combine foreground text with its background
if(bgalpha_ != 0) {
// background is a dark tooltip box
surface background = create_neutral_surface(foreground->w + border_ * 2, foreground->h + border_ * 2);
if(background == nullptr) {
ERR_FT << "could not create tooltip box" << std::endl;
return surf_ = foreground;
}
uint32_t color = SDL_MapRGBA(foreground->format, bgcolor_.r, bgcolor_.g, bgcolor_.b, bgalpha_);
sdl::fill_surface_rect(background, nullptr, color);
// we make the text less transparent, because the blitting on the
// dark background will darken the anti-aliased part.
// This 1.13 value seems to restore the brightness of version 1.4
// (where the text was blitted directly on screen)
adjust_surface_alpha(foreground, ftofxp(1.13));
SDL_Rect r{border_, border_, 0, 0};
adjust_surface_alpha(foreground, SDL_ALPHA_OPAQUE);
sdl_blit(foreground, nullptr, background, &r);
surf_ = background;
} else {
// background is blurred shadow of the text
surface background = create_neutral_surface(foreground->w + 4, foreground->h + 4);
sdl::fill_surface_rect(background, nullptr, 0);
SDL_Rect r{2, 2, 0, 0};
sdl_blit(foreground, nullptr, background, &r);
background = shadow_image(background);
if(background == nullptr) {
ERR_FT << "could not create floating label's shadow" << std::endl;
return surf_ = foreground;
}
sdl_blit(foreground, nullptr, background, &r);
surf_ = background;
}
}
return surf_;
}
/**
* Show credits with list of contributors.
*
* Names of people are shown scrolling up like in movie-credits.\n
* Uses map from wesnoth or campaign as background.
*/
void show_about(display &disp, std::string campaign)
{
cursor::set(cursor::WAIT);
CVideo &video = disp.video();
// surface screen = video.getSurface();
// if (screen == NULL) return;
std::vector<std::string> text = about::get_text(campaign);
// SDL_Rect screen_rect = {0, 0, video.getx(), video.gety()};
// const surface_restorer restorer(&video, screen_rect);
cursor::set(cursor::NORMAL);
std::vector<shared_string> image_list;
if(campaign.size() && !images[campaign].empty()){
image_list=utils::split_shared(images[campaign]);
}else{
image_list=utils::split_shared(images_default,',',utils::STRIP_SPACES);
}
surface map_image(scale_surface(image::get_image(image_list[0]), video.getx(), video.gety()));
if(! map_image){
image_list[0]=game_config::game_title;
map_image=surface(scale_surface(image::get_image(image_list[0]), video.getx(), video.gety()));
}
gui::button close(video,_("Close"));
close.set_location((video.getx()/2)-(close.width()/2), video.gety() - 30);
close.set_volatile(true);
const int def_size = font::SIZE_XLARGE;
const SDL_Color def_color = font::NORMAL_COLOUR;
//substitute in the correct control characters for '+' and '-'
std::string before_header(2, ' ');
before_header[0] = font::LARGE_TEXT;
for(unsigned i = 0; i < text.size(); ++i) {
std::string &s = text[i];
if (s.empty()) continue;
char &first = s[0];
if (first == '-')
first = font::SMALL_TEXT;
else if (first == '+') {
first = font::LARGE_TEXT;
text.insert(text.begin() + i, before_header);
++i;
}
}
text.insert(text.begin(), 10, before_header);
int startline = 0;
//TODO: use values proportionnal to screen ?
// distance from top of map image to top of scrolling text
const int top_margin = 60;
// distance from bottom of scrolling text to bottom of map image
const int bottom_margin = 40;
// distance from left of scrolling text to the frame border
const int text_left_padding = video.getx()/32;
int offset = 0;
bool is_new_line = true;
int first_line_height = 0;
SDL_Rect frame_area = {
video.getx() * 3/32,
top_margin,
video.getx() * 13 / 16,
video.gety() - top_margin - bottom_margin
};
// we use a dialog to contains the text. Strange idea but at least the style
// will be consistent with the titlescreen
gui::dialog_frame f(video, "", gui::dialog_frame::titlescreen_style, false);
// set the layout and get the interior rectangle
SDL_Rect text_rect = f.layout(frame_area).interior;
text_rect.x += text_left_padding;
text_rect.w -= text_left_padding;
// make a copy to prevent SDL_blit to change its w and h
SDL_Rect text_rect_blit = text_rect;
CKey key;
bool last_escape;
surface text_surf = create_neutral_surface(text_rect.w, text_rect.h); //create_compatible_surface(screen, text_rect.w, text_rect.h);
SDL_SetAlpha(text_surf, SDL_RLEACCEL, SDL_ALPHA_OPAQUE);
int image_count = 0;
int scroll_speed = 4; // scroll_speed*50 = speed of scroll in pixel per second
// initialy redraw all
bool redraw_mapimage = true;
int max_text_width = text_rect.w;
do {
last_escape = key[SDLK_ESCAPE] != 0;
// check to see if background image has changed
if(text.size() && (image_count <
((startline * static_cast<int>(image_list.size())) /
static_cast<int>(text.size())))){
image_count++;
surface temp=surface(scale_surface(image::get_image(image_list[image_count]), video.getx(), video.gety()));
map_image=temp?temp:map_image;
redraw_mapimage = true;
}
// if (redraw_mapimage)
{
// draw map to screen, thus erasing all text
//SDL_BlitSurface(map_image, NULL, screen, NULL);
blit_surface(0, 0, map_image);
// update_rect(screen_rect);
// redraw the dialog
f.draw_background();
f.draw_border();
// cache the dialog background (alpha blending + blurred map)
//SDL_BlitSurface(screen, &text_rect, text_surf, NULL);
redraw_mapimage = false;
}
/* else {
// redraw the saved part of the dialog where text scrolled
// thus erasing all text
SDL_Rect modified = {0,0, max_text_width, text_rect.h};
SDL_BlitSurface(text_surf, &modified, screen, &text_rect_blit);
//update_rect(text_rect);
}
*/
const int line_spacing = 5;
int y = text_rect.y - offset;
int line = startline;
int cur_line = 0;
max_text_width = 0;
{
// clip to keep text into the frame (thus the new code block)
clip_rect_setter set_clip_rect(/*screen,*/ text_rect);
do {
// draw the text (with ellipsis if needed)
// update the max_text_width for future cleaning
int w = font::draw_text(&video, text_rect, def_size, def_color,
text[line], text_rect.x, y).w;
max_text_width = std::max<int>(max_text_width, w);
// since the real drawing on screen is clipped,
// we do a dummy one to get the height of the not clipped line.
// (each time because special format characters may change it)
const int line_height = font::draw_text(NULL, text_rect, def_size, def_color,
text[line], 0,0).h;
if(is_new_line) {
is_new_line = false;
first_line_height = line_height + line_spacing;
}
line++;
if(size_t(line) > text.size()-1)
line = 0;
y += line_height + line_spacing;
cur_line++;
} while(y < text_rect.y + text_rect.h);
}
// performs the actual scrolling
offset += scroll_speed;
if (offset>=first_line_height) {
offset -= first_line_height;
is_new_line = true;
startline++;
if(size_t(startline) == text.size()){
startline = 0;
image_count = -1;
}
}
// handle events
if (key[SDLK_UP] && scroll_speed < 20) {
++scroll_speed;
}
if (key[SDLK_DOWN] && scroll_speed > 0) {
--scroll_speed;
}
events::pump();
events::raise_process_event();
events::raise_draw_event();
// flip screen and wait, so the text does not scroll too fast
disp.flip();
disp.delay(20);
} while(!close.pressed() && (last_escape || !key[SDLK_ESCAPE]));
}
surface getMinimap(int w, int h, const gamemap &map, const team *vw)
{
const int scale = 8;
DBG_DP << "creating minimap " << int(map.w()*scale*0.75) << "," << int(map.h()*scale) << "\n";
const size_t map_width = map.w()*scale*3/4;
const size_t map_height = map.h()*scale;
if(map_width == 0 || map_height == 0) {
return surface(NULL);
}
surface minimap(create_neutral_surface(map_width, map_height));
if(minimap == NULL)
return surface(NULL);
typedef mini_terrain_cache_map cache_map;
cache_map *normal_cache = &mini_terrain_cache;
cache_map *fog_cache = &mini_fogged_terrain_cache;
for(int y = 0; y != map.total_height(); ++y) {
for(int x = 0; x != map.total_width(); ++x) {
surface surf(NULL);
const map_location loc(x,y);
if(map.on_board(loc)) {
const bool shrouded = vw != NULL && vw->shrouded(loc);
// shrouded hex are not considered fogged (no need to fog a black image)
const bool fogged = vw != NULL && !shrouded && vw->fogged(loc);
const t_translation::t_terrain terrain = shrouded ?
t_translation::VOID_TERRAIN : map[loc];
bool need_fogging = false;
cache_map* cache = fogged ? fog_cache : normal_cache;
cache_map::iterator i = cache->find(terrain);
if (fogged && i == cache->end()) {
// we don't have the fogged version in cache
// try the normal cache and ask fogging the image
cache = normal_cache;
i = cache->find(terrain);
need_fogging = true;
}
if(i == cache->end()) {
surface tile(get_image("terrain/" + map.get_terrain_info(terrain).minimap_image() + ".png",image::HEXED));
if(tile == 0) {
utils::string_map symbols;
symbols["terrain"] = t_translation::write_terrain_code(terrain);
const std::string msg =
vgettext("Could not get image for terrain: $terrain.", symbols);
VALIDATE(false, msg);
}
//Compose images of base and overlay if neccessary
if(map.get_terrain_info(terrain).is_combined()) {
surface overlay(get_image("terrain/" + map.get_terrain_info(terrain).minimap_image_overlay() + ".png", image::HEXED));
if(overlay != 0 && overlay != tile) {
surface combined = create_compatible_surface(tile, tile->w, tile->h);
SDL_Rect r;
r.x = 0;
r.y = 0;
SDL_BlitSurface(tile, NULL, combined, &r);
r.x = std::max(0, (tile->w - overlay->w)/2);
r.y = std::max(0, (tile->h - overlay->h)/2);
if ((overlay->flags & SDL_RLEACCEL) == 0) {
blit_surface(overlay, NULL, combined, &r);
} else {
WRN_DP << map.get_terrain_info(terrain).minimap_image_overlay() << ".png overlay is RLE-encoded, creating a neutral surface\n";
surface overlay_neutral = make_neutral_surface(overlay);
blit_surface(overlay_neutral, NULL, combined, &r);
}
tile = combined;
}
}
surf = surface(scale_surface_blended(tile,scale,scale));
VALIDATE(surf != NULL, _("Error creating or aquiring an image."));
i = normal_cache->insert(cache_map::value_type(terrain,surf)).first;
}
surf = i->second;
if (need_fogging) {
surf = surface(adjust_surface_colour(surf,-50,-50,-50));
fog_cache->insert(cache_map::value_type(terrain,surf));
}
VALIDATE(surf != NULL, _("Error creating or aquiring an image."));
// we need a balanced shift up and down of the hexes.
// if not, only the bottom half-hexes are clipped
// and it looks asymmetrical.
// also do 1-pixel shift because the scaling
// function seems to do it with its rounding
SDL_Rect maprect = {x * scale*3/4 - 1,
y*scale + scale/4 * (is_odd(x) ? 1 : -1) - 1,
0, 0};
SDL_BlitSurface(surf, NULL, minimap, &maprect);
}
}
}
double wratio = w*1.0 / minimap->w;
double hratio = h*1.0 / minimap->h;
double ratio = std::min<double>(wratio, hratio);
minimap = scale_surface(minimap,
static_cast<int>(minimap->w * ratio), static_cast<int>(minimap->h * ratio));
DBG_DP << "done generating minimap\n";
return minimap;
}
void unit2::redraw_unit()
{
if (!loc_.valid()) {
return;
}
if (refreshing_) {
return;
}
trefreshing_lock lock(*this);
const int xsrc = disp_.map_area().x + disp_.get_scroll_pixel_x(rect_.x);
const int ysrc = disp_.map_area().y + disp_.get_scroll_pixel_y(rect_.y);
surface surf = create_neutral_surface(rect_.w, rect_.h);
if (type_ == WIDGET) {
redraw_widget(xsrc, ysrc, rect_.w, rect_.h);
} else if (type_ == WINDOW) {
disp_.drawing_buffer_add(display::LAYER_UNIT_DEFAULT,
loc_, xsrc, ysrc, image::get_image(image(), image::SCALED_TO_ZOOM));
if (!cell_.id.empty()) {
surface text_surf = font::get_rendered_text2(cell_.id, -1, 10, font::BLACK_COLOR);
disp_.drawing_buffer_add(display::LAYER_UNIT_DEFAULT, loc_, xsrc, ysrc + rect_.w / 2, text_surf);
}
} else if (type_ == COLUMN) {
int x = (loc_.x - 1) * image::tile_size;
blit_integer_surface(x, surf, 0, 0);
} else if (type_ == ROW) {
int y = (loc_.y - 1) * image::tile_size;
blit_integer_surface(y, surf, 0, 0);
}
blit_integer_surface(map_index_, surf, 0, 12);
if (type_ == WINDOW || type_ == WIDGET) {
//
// draw rectangle
//
Uint32 border_color = 0x00ff00ff;
if (loc_ == controller_.selected_hex()) {
border_color = 0x0000ffff;
} else if (this == controller_.last_unit()) {
border_color = 0xff0000ff;
}
surface_lock locker(surf);
// draw the border
for (unsigned i = 0; i < 2; i ++) {
const unsigned left = 0 + i;
const unsigned right = left + rect_.w - (i * 2) - 1;
const unsigned top = 0 + i;
const unsigned bottom = top + rect_.h - (i * 2) - 1;
// top horizontal (left -> right)
draw_line(surf, border_color, left, top, right, top, true);
// right vertical (top -> bottom)
draw_line(surf, border_color, right, top, right, bottom, true);
// bottom horizontal (left -> right)
draw_line(surf, border_color, left, bottom, right, bottom, true);
// left vertical (top -> bottom)
draw_line(surf, border_color, left, top, left, bottom, true);
}
}
disp_.drawing_buffer_add(display::LAYER_UNIT_DEFAULT, loc_, xsrc, ysrc, surf);
}
