/
display.cpp
3276 lines (2759 loc) · 90.5 KB
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display.cpp
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/*
Copyright (C) 2003 - 2017 by David White <dave@whitevine.net>
Part of the Battle for Wesnoth Project http://www.wesnoth.org/
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY.
See the COPYING file for more details.
*/
/**
* @file
* Routines to set up the display, scroll and zoom the map.
*/
#include "arrow.hpp"
#include "cursor.hpp"
#include "display.hpp"
#include "fake_unit_manager.hpp"
#include "font/standard_colors.hpp"
#include "font/text.hpp"
#include "game_preferences.hpp"
#include "gettext.hpp"
#include "halo.hpp"
#include "hotkey/command_executor.hpp"
#include "language.hpp"
#include "log.hpp"
#include "font/marked-up_text.hpp"
#include "map/map.hpp"
#include "map/label.hpp"
#include "minimap.hpp"
#include "overlay.hpp"
#include "play_controller.hpp" //note: this can probably be refactored out
#include "reports.hpp"
#include "resources.hpp"
#include "color.hpp"
#include "synced_context.hpp"
#include "team.hpp"
#include "terrain/builder.hpp"
#include "time_of_day.hpp"
#include "tooltips.hpp"
#include "tod_manager.hpp"
#include "units/unit.hpp"
#include "units/animation_component.hpp"
#include "units/drawer.hpp"
#include "whiteboard/manager.hpp"
#include "show_dialog.hpp"
#include "gui/dialogs/loading_screen.hpp"
#include <SDL_image.h>
#include <cmath>
// Includes for bug #17573
static lg::log_domain log_display("display");
#define ERR_DP LOG_STREAM(err, log_display)
#define LOG_DP LOG_STREAM(info, log_display)
#define DBG_DP LOG_STREAM(debug, log_display)
namespace {
std::vector<unsigned int> zoom_levels {18, 24, 36, 54, 72, 90, 108, 144, 216, 288};
const int final_zoom_index = static_cast<int>(zoom_levels.size()) - 1;
const unsigned int DefaultZoom = game_config::tile_size;
const unsigned int SmallZoom = DefaultZoom / 2;
const unsigned int MinZoom = zoom_levels.front();
const unsigned int MaxZoom = zoom_levels.back();
bool benchmark = false;
bool debug_foreground = false;
}
unsigned int display::zoom_ = DefaultZoom;
unsigned int display::last_zoom_ = SmallZoom;
void display::parse_team_overlays()
{
const team& curr_team = dc_->teams()[playing_team()];
const team& prev_team = dc_->teams()[playing_team()-1 < dc_->teams().size() ? playing_team()-1 : dc_->teams().size()-1];
for (const game_display::overlay_map::value_type i : *overlays_) {
const overlay& ov = i.second;
if (!ov.team_name.empty() &&
((ov.team_name.find(curr_team.team_name()) + 1) != 0) !=
((ov.team_name.find(prev_team.team_name()) + 1) != 0))
{
invalidate(i.first);
}
}
}
void display::add_overlay(const map_location& loc, const std::string& img, const std::string& halo, const std::string& team_name, const std::string& item_id, bool visible_under_fog)
{
if (halo_man_) {
const halo::handle halo_handle = halo_man_->add(get_location_x(loc) + hex_size() / 2,
get_location_y(loc) + hex_size() / 2, halo, loc);
const overlay item(img, halo, halo_handle, team_name, item_id, visible_under_fog);
overlays_->insert(overlay_map::value_type(loc,item));
}
}
void display::remove_overlay(const map_location& loc)
{
/* This code no longer needed because of RAII in halo::handles
if (halo_man_) {
typedef overlay_map::const_iterator Itor;
std::pair<Itor,Itor> itors = overlays_->equal_range(loc);
while(itors.first != itors.second) {
halo_man_->remove(itors.first->second.halo_handle);
++itors.first;
}
}
*/
overlays_->erase(loc);
}
void display::remove_single_overlay(const map_location& loc, const std::string& toDelete)
{
//Iterate through the values with key of loc
typedef overlay_map::iterator Itor;
overlay_map::iterator iteratorCopy;
std::pair<Itor,Itor> itors = overlays_->equal_range(loc);
while(itors.first != itors.second) {
//If image or halo of overlay struct matches toDelete, remove the overlay
if(itors.first->second.image == toDelete || itors.first->second.halo == toDelete || itors.first->second.id == toDelete) {
iteratorCopy = itors.first;
++itors.first;
//Not needed because of RAII --> halo_man_->remove(iteratorCopy->second.halo_handle);
overlays_->erase(iteratorCopy);
}
else {
++itors.first;
}
}
}
display::display(const display_context * dc, CVideo& video, std::weak_ptr<wb::manager> wb, reports & reports_object, const config& theme_cfg, const config& level, bool auto_join) :
video2::draw_layering(auto_join),
dc_(dc),
halo_man_(new halo::manager(*this)),
wb_(wb),
exclusive_unit_draw_requests_(),
screen_(video),
currentTeam_(0),
dont_show_all_(false),
energy_bar_rects_(),
xpos_(0),
ypos_(0),
view_locked_(false),
theme_(theme_cfg, screen_area()),
zoom_index_(0),
fake_unit_man_(new fake_unit_manager(*this)),
builder_(new terrain_builder(level, &dc_->map(), theme_.border().tile_image)),
minimap_(nullptr),
minimap_location_(sdl::empty_rect),
redrawMinimap_(false),
redraw_background_(true),
invalidateAll_(true),
grid_(false),
diagnostic_label_(0),
panelsDrawn_(false),
turbo_speed_(2),
turbo_(false),
invalidateGameStatus_(true),
map_labels_(new map_labels(*this, 0)),
reports_object_(&reports_object),
scroll_event_("scrolled"),
complete_redraw_event_("completely_redrawn"),
nextDraw_(0),
reportRects_(),
reportSurfaces_(),
reports_(),
menu_buttons_(),
action_buttons_(),
invalidated_(),
previous_invalidated_(),
mouseover_hex_overlay_(nullptr),
tod_hex_mask1(nullptr),
tod_hex_mask2(nullptr),
fog_images_(),
shroud_images_(),
selectedHex_(),
mouseoverHex_(),
keys_(),
animate_map_(true),
animate_water_(true),
flags_(),
activeTeam_(0),
drawing_buffer_(),
map_screenshot_(false),
reach_map_(),
reach_map_old_(),
reach_map_changed_(true),
overlays_(nullptr),
fps_handle_(0),
invalidated_hexes_(0),
drawn_hexes_(0),
idle_anim_(preferences::idle_anim()),
idle_anim_rate_(1.0),
map_screenshot_surf_(nullptr),
redraw_observers_(),
draw_coordinates_(false),
draw_terrain_codes_(false),
draw_num_of_bitmaps_(false),
arrows_map_(),
color_adjust_(),
dirty_()
{
//The following assertion fails when starting a campaign
assert(singleton_ == nullptr);
singleton_ = this;
resources::fake_units = fake_unit_man_.get();
blindfold_ctr_ = 0;
read(level.child_or_empty("display"));
if(video.non_interactive()
&& (video.getSurface() != nullptr
&& video.faked())) {
screen_.lock_updates(true);
}
fill_images_list(game_config::fog_prefix, fog_images_);
fill_images_list(game_config::shroud_prefix, shroud_images_);
set_idle_anim_rate(preferences::idle_anim_rate());
zoom_index_ = std::find(zoom_levels.begin(), zoom_levels.end(), zoom_) - zoom_levels.begin();
image::set_zoom(zoom_);
init_flags();
if(!menu_buttons_.empty() || !action_buttons_.empty()) {
create_buttons();
}
}
display::~display()
{
singleton_ = nullptr;
resources::fake_units = nullptr;
}
void display::init_flags() {
flags_.clear();
if (!dc_) return;
flags_.resize(dc_->teams().size());
std::vector<std::string> side_colors;
side_colors.reserve(dc_->teams().size());
for(size_t i = 0; i != dc_->teams().size(); ++i) {
std::string side_color = dc_->teams()[i].color();
side_colors.push_back(side_color);
init_flags_for_side_internal(i, side_color);
}
image::set_team_colors(&side_colors);
}
void display::reinit_flags_for_side(size_t side)
{
if (!dc_ || side >= dc_->teams().size()) {
ERR_DP << "Cannot rebuild flags for inexistent or unconfigured side " << side << '\n';
return;
}
init_flags_for_side_internal(side, dc_->teams()[side].color());
}
void display::init_flags_for_side_internal(size_t n, const std::string& side_color)
{
assert(dc_ != nullptr);
assert(n < dc_->teams().size());
assert(n < flags_.size());
std::string flag = dc_->teams()[n].flag();
std::string old_rgb = game_config::flag_rgb;
std::string new_rgb = side_color;
if(flag.empty()) {
flag = game_config::images::flag;
}
LOG_DP << "Adding flag for team " << n << " from animation " << flag << "\n";
// Must recolor flag image
animated<image::locator> temp_anim;
std::vector<std::string> items = utils::square_parenthetical_split(flag);
for(const std::string& item : items) {
const std::vector<std::string>& sub_items = utils::split(item, ':');
std::string str = item;
int time = 100;
if(sub_items.size() > 1) {
str = sub_items.front();
try {
time = std::stoi(sub_items.back());
} catch(std::invalid_argument) {
ERR_DP << "Invalid time value found when constructing flag for side " << n << ": " << sub_items.back() << "\n";
}
}
std::stringstream temp;
temp << str << "~RC(" << old_rgb << ">"<< new_rgb << ")";
image::locator flag_image(temp.str());
temp_anim.add_frame(time, flag_image);
}
animated<image::locator>& f = flags_[n];
f = temp_anim;
f.start_animation(rand() % f.get_end_time(), true);
}
surface display::get_flag(const map_location& loc)
{
if(!get_map().is_village(loc)) {
return surface(nullptr);
}
for(size_t i = 0; i != dc_->teams().size(); ++i) {
if(dc_->teams()[i].owns_village(loc) &&
(!fogged(loc) || !dc_->teams()[currentTeam_].is_enemy(i+1)))
{
flags_[i].update_last_draw_time();
const image::locator &image_flag = animate_map_ ?
flags_[i].get_current_frame() : flags_[i].get_first_frame();
return image::get_image(image_flag, image::TOD_COLORED);
}
}
return surface(nullptr);
}
void display::set_team(size_t teamindex, bool show_everything)
{
assert(teamindex < dc_->teams().size());
currentTeam_ = teamindex;
if (!show_everything)
{
labels().set_team(&dc_->teams()[teamindex]);
dont_show_all_ = true;
}
else
{
labels().set_team(nullptr);
dont_show_all_ = false;
}
labels().recalculate_labels();
if(std::shared_ptr<wb::manager> w = wb_.lock())
w->on_viewer_change(teamindex);
}
void display::set_playing_team(size_t teamindex)
{
assert(teamindex < dc_->teams().size());
activeTeam_ = teamindex;
invalidate_game_status();
}
bool display::add_exclusive_draw(const map_location& loc, unit& unit)
{
if (loc.valid() && exclusive_unit_draw_requests_.find(loc) == exclusive_unit_draw_requests_.end())
{
exclusive_unit_draw_requests_[loc] = unit.id();
return true;
}
else
{
return false;
}
}
std::string display::remove_exclusive_draw(const map_location& loc)
{
std::string id = "";
if(loc.valid())
{
id = exclusive_unit_draw_requests_[loc];
//id will be set to the default "" string by the [] operator if the map doesn't have anything for that loc.
exclusive_unit_draw_requests_.erase(loc);
}
return id;
}
const time_of_day & display::get_time_of_day(const map_location& /*loc*/) const
{
static time_of_day tod;
return tod;
}
/**
* Display objects don't hold a tod maanger, instead game_display objects do. If the base version of this method is called,
* try to get it from resources and use an assert to check for failure.
*/
const tod_manager & display::get_tod_man() const
{
assert(resources::tod_manager);
return *resources::tod_manager;
}
void display::update_tod() {
const time_of_day& tod = get_time_of_day();
tod_color col = color_adjust_ + tod.color;
image::set_color_adjustment(col.r, col.g, col.b);
}
void display::adjust_color_overlay(int r, int g, int b) {
color_adjust_ = tod_color(r, g, b);
update_tod();
}
void display::fill_images_list(const std::string& prefix, std::vector<std::string>& images)
{
// search prefix.png, prefix1.png, prefix2.png ...
for(int i=0; ; ++i){
std::ostringstream s;
s << prefix;
if(i != 0)
s << i;
s << ".png";
if(image::exists(s.str()))
images.push_back(s.str());
else if(i>0)
break;
}
if (images.empty())
images.push_back("");
}
const std::string& display::get_variant(const std::vector<std::string>& variants, const map_location &loc) const
{
//TODO use better noise function
return variants[std::abs(loc.x + loc.y) % variants.size()];
}
void display::rebuild_all()
{
builder_->rebuild_all();
}
void display::reload_map()
{
redraw_background_ = true;
builder_->reload_map();
}
void display::change_display_context(const display_context * dc)
{
dc_ = dc;
builder_->change_map(&dc_->map()); //TODO: Should display_context own and initalize the builder object?
}
void display::reset_halo_manager()
{
halo_man_.reset(new halo::manager(*this));
}
void display::reset_halo_manager(halo::manager & halo_man)
{
halo_man_.reset(&halo_man);
}
void display::blindfold(bool value)
{
if(value == true)
++blindfold_ctr_;
else
--blindfold_ctr_;
}
bool display::is_blindfolded() const
{
return blindfold_ctr_ > 0;
}
const SDL_Rect& display::max_map_area() const
{
static SDL_Rect max_area = {0, 0, 0, 0};
// hex_size() is always a multiple of 4
// and hex_width() a multiple of 3,
// so there shouldn't be off-by-one-errors
// due to rounding.
// To display a hex fully on screen,
// a little bit extra space is needed.
// Also added the border two times.
max_area.w = static_cast<int>((get_map().w() + 2 * theme_.border().size + 1.0/3.0) * hex_width());
max_area.h = static_cast<int>((get_map().h() + 2 * theme_.border().size + 0.5) * hex_size());
return max_area;
}
const SDL_Rect& display::map_area() const
{
static SDL_Rect max_area;
max_area = max_map_area();
// if it's for map_screenshot, maximize and don't recenter
if (map_screenshot_) {
return max_area;
}
static SDL_Rect res;
res = map_outside_area();
if(max_area.w < res.w) {
// map is smaller, center
res.x += (res.w - max_area.w)/2;
res.w = max_area.w;
}
if(max_area.h < res.h) {
// map is smaller, center
res.y += (res.h - max_area.h)/2;
res.h = max_area.h;
}
return res;
}
bool display::outside_area(const SDL_Rect& area, const int x, const int y) const
{
const int x_thresh = hex_size();
const int y_thresh = hex_size();
return (x < area.x || x > area.x + area.w - x_thresh ||
y < area.y || y > area.y + area.h - y_thresh);
}
// This function uses the screen as reference
const map_location display::hex_clicked_on(int xclick, int yclick) const
{
const SDL_Rect& rect = map_area();
if(sdl::point_in_rect(xclick,yclick,rect) == false) {
return map_location();
}
xclick -= rect.x;
yclick -= rect.y;
return pixel_position_to_hex(xpos_ + xclick, ypos_ + yclick);
}
// This function uses the rect of map_area as reference
const map_location display::pixel_position_to_hex(int x, int y) const
{
// adjust for the border
x -= static_cast<int>(theme_.border().size * hex_width());
y -= static_cast<int>(theme_.border().size * hex_size());
// The editor can modify the border and this will result in a negative y
// value. Instead of adding extra cases we just shift the hex. Since the
// editor doesn't use the direction this is no problem.
const int offset = y < 0 ? 1 : 0;
if(offset) {
x += hex_width();
y += hex_size();
}
const int s = hex_size();
const int tesselation_x_size = hex_width() * 2;
const int tesselation_y_size = s;
const int x_base = x / tesselation_x_size * 2;
const int x_mod = x % tesselation_x_size;
const int y_base = y / tesselation_y_size;
const int y_mod = y % tesselation_y_size;
int x_modifier = 0;
int y_modifier = 0;
if (y_mod < tesselation_y_size / 2) {
if ((x_mod * 2 + y_mod) < (s / 2)) {
x_modifier = -1;
y_modifier = -1;
} else if ((x_mod * 2 - y_mod) < (s * 3 / 2)) {
x_modifier = 0;
y_modifier = 0;
} else {
x_modifier = 1;
y_modifier = -1;
}
} else {
if ((x_mod * 2 - (y_mod - s / 2)) < 0) {
x_modifier = -1;
y_modifier = 0;
} else if ((x_mod * 2 + (y_mod - s / 2)) < s * 2) {
x_modifier = 0;
y_modifier = 0;
} else {
x_modifier = 1;
y_modifier = 0;
}
}
return map_location(x_base + x_modifier - offset, y_base + y_modifier - offset);
}
display::rect_of_hexes::iterator& display::rect_of_hexes::iterator::operator++()
{
if (loc_.y < rect_.bottom[loc_.x & 1])
++loc_.y;
else {
++loc_.x;
loc_.y = rect_.top[loc_.x & 1];
}
return *this;
}
// begin is top left, and end is after bottom right
display::rect_of_hexes::iterator display::rect_of_hexes::begin() const
{
return iterator(map_location(left, top[left & 1]), *this);
}
display::rect_of_hexes::iterator display::rect_of_hexes::end() const
{
return iterator(map_location(right+1, top[(right+1) & 1]), *this);
}
const display::rect_of_hexes display::hexes_under_rect(const SDL_Rect& r) const
{
rect_of_hexes res;
if (r.w<=0 || r.h<=0) {
// empty rect, return dummy values giving begin=end
res.left = 0;
res.right = -1; // end is right+1
res.top[0] = 0;
res.top[1] = 0;
res.bottom[0] = 0;
res.bottom[1] = 0;
return res;
}
SDL_Rect map_rect = map_area();
// translate rect coordinates from screen-based to map_area-based
int x = xpos_ - map_rect.x + r.x;
int y = ypos_ - map_rect.y + r.y;
// we use the "double" type to avoid important rounding error (size of an hex!)
// we will also need to use std::floor to avoid bad rounding at border (negative values)
double tile_width = hex_width();
double tile_size = hex_size();
double border = theme_.border().size;
// we minus "0.(3)", for horizontal imbrication.
// reason is: two adjacent hexes each overlap 1/4 of their width, so for
// grid calculation 3/4 of tile width is used, which by default gives
// 18/54=0.(3). Note that, while tile_width is zoom dependand, 0.(3) is not.
res.left = static_cast<int>(std::floor(-border + x / tile_width - 0.3333333));
// we remove 1 pixel of the rectangle dimensions
// (the rounded division take one pixel more than needed)
res.right = static_cast<int>(std::floor(-border + (x + r.w-1) / tile_width));
// for odd x, we must shift up one half-hex. Since x will vary along the edge,
// we store here the y values for even and odd x, respectively
res.top[0] = static_cast<int>(std::floor(-border + y / tile_size));
res.top[1] = static_cast<int>(std::floor(-border + y / tile_size - 0.5));
res.bottom[0] = static_cast<int>(std::floor(-border + (y + r.h-1) / tile_size));
res.bottom[1] = static_cast<int>(std::floor(-border + (y + r.h-1) / tile_size - 0.5));
// TODO: in some rare cases (1/16), a corner of the big rect is on a tile
// (the 72x72 rectangle containing the hex) but not on the hex itself
// Can maybe be optimized by using pixel_position_to_hex
return res;
}
bool display::team_valid() const
{
return currentTeam_ < dc_->teams().size();
}
bool display::shrouded(const map_location& loc) const
{
return is_blindfolded() || (dont_show_all_ && dc_->teams()[currentTeam_].shrouded(loc));
}
bool display::fogged(const map_location& loc) const
{
return is_blindfolded() || (dont_show_all_ && dc_->teams()[currentTeam_].fogged(loc));
}
int display::get_location_x(const map_location& loc) const
{
return static_cast<int>(map_area().x + (loc.x + theme_.border().size) * hex_width() - xpos_);
}
int display::get_location_y(const map_location& loc) const
{
return static_cast<int>(map_area().y + (loc.y + theme_.border().size) * zoom_ - ypos_ + (is_odd(loc.x) ? zoom_/2 : 0));
}
map_location display::minimap_location_on(int x, int y)
{
//TODO: don't return location for this,
// instead directly scroll to the clicked pixel position
if (!sdl::point_in_rect(x, y, minimap_area())) {
return map_location();
}
// we transform the coordinates from minimap to the full map image
// probably more adjustments to do (border, minimap shift...)
// but the mouse and human capacity to evaluate the rectangle center
// is not pixel precise.
int px = (x - minimap_location_.x) * get_map().w()*hex_width() / std::max (minimap_location_.w, 1);
int py = (y - minimap_location_.y) * get_map().h()*hex_size() / std::max(minimap_location_.h, 1);
map_location loc = pixel_position_to_hex(px, py);
if (loc.x < 0)
loc.x = 0;
else if (loc.x >= get_map().w())
loc.x = get_map().w() - 1;
if (loc.y < 0)
loc.y = 0;
else if (loc.y >= get_map().h())
loc.y = get_map().h() - 1;
return loc;
}
bool display::screenshot(const std::string& filename, bool map_screenshot)
{
bool res = false;
if (!map_screenshot) {
surface& screenshot_surf = screen_.getSurface();
res = image::save_image(screenshot_surf, filename);
#if 0
// FIXME: the SDL_SavePNG path results in oblique errors that don't
// make sense to anyone who's not familiarized with it, so
// we can't use this.
if (!res) {
ERR_DP << "Screenshot failed: " << SDL_GetError() << '\n';
}
#endif
} else {
if (get_map().empty()) {
ERR_DP << "No map loaded, cannot create a map screenshot.\n";
return false;
}
SDL_Rect area = max_map_area();
map_screenshot_surf_ = create_compatible_surface(screen_.getSurface(), area.w, area.h);
if (map_screenshot_surf_ == nullptr) {
// Memory problem ?
ERR_DP << "Could not create screenshot surface, try zooming out.\n";
return false;
}
// back up the current map view position and move to top-left
int old_xpos = xpos_;
int old_ypos = ypos_;
xpos_ = 0;
ypos_ = 0;
// we reroute render output to the screenshot surface and invalidate all
map_screenshot_= true ;
invalidateAll_ = true;
DBG_DP << "draw() with map_screenshot\n";
draw(true,true);
// finally save the image on disk
res = image::save_image(map_screenshot_surf_,filename);
#if 0
// FIXME: the SDL_SavePNG path results in oblique errors that don't
// make sense to anyone who's not familiarized with it, so
// we can't use this.
if (!res) {
// Need to do this ASAP or spurious messages result due to
// redraw_everything calling SDL too (e.g. "SDL_UpperBlit: passed
// a nullptr surface")
ERR_DP << "Map screenshot failed: " << SDL_GetError() << '\n';
}
#endif
//NOTE: need to be sure that we free this huge surface (is it enough?)
map_screenshot_surf_ = nullptr;
// restore normal rendering
map_screenshot_= false;
xpos_ = old_xpos;
ypos_ = old_ypos;
// some drawing functions are confused by the temporary change
// of the map_area and thus affect the UI outside of the map
redraw_everything();
}
return res;
}
std::shared_ptr<gui::button> display::find_action_button(const std::string& id)
{
for (size_t i = 0; i < action_buttons_.size(); ++i) {
if(action_buttons_[i]->id() == id) {
return action_buttons_[i];
}
}
return nullptr;
}
std::shared_ptr<gui::button> display::find_menu_button(const std::string& id)
{
for (size_t i = 0; i < menu_buttons_.size(); ++i) {
if(menu_buttons_[i]->id() == id) {
return menu_buttons_[i];
}
}
return nullptr;
}
void display::layout_buttons()
{
DBG_DP << "positioning menu buttons...\n";
const std::vector<theme::menu>& buttons = theme_.menus();
for(std::vector<theme::menu>::const_iterator i = buttons.begin(); i != buttons.end(); ++i) {
std::shared_ptr<gui::button> b = find_menu_button(i->get_id());
if(b) {
const SDL_Rect& loc = i->location(screen_area());
b->set_location(loc);
b->set_measurements(0,0);
b->set_label(i->title());
b->set_image(i->image());
}
}
DBG_DP << "positioning action buttons...\n";
const std::vector<theme::action>& actions = theme_.actions();
for(std::vector<theme::action>::const_iterator i = actions.begin(); i != actions.end(); ++i) {
std::shared_ptr<gui::button> b = find_action_button(i->get_id());
if(b) {
const SDL_Rect& loc = i->location(screen_area());
b->set_location(loc);
b->set_measurements(0,0);
b->set_label(i->title());
b->set_image(i->image());
}
}
}
void display::create_buttons()
{
std::vector<std::shared_ptr<gui::button>> menu_work;
std::vector<std::shared_ptr<gui::button>> action_work;
DBG_DP << "creating menu buttons...\n";
const std::vector<theme::menu>& buttons = theme_.menus();
for(std::vector<theme::menu>::const_iterator i = buttons.begin(); i != buttons.end(); ++i) {
if (!i->is_button()) continue;
std::shared_ptr<gui::button> b(new gui::button(screen_, i->title(), gui::button::TYPE_PRESS, i->image(),
gui::button::DEFAULT_SPACE, false, i->overlay()));
DBG_DP << "drawing button " << i->get_id() << "\n";
b->join_same(this);
b->set_id(i->get_id());
if (!i->tooltip().empty()){
b->set_tooltip_string(i->tooltip());
}
std::shared_ptr<gui::button> b_prev = find_menu_button(b->id());
if(b_prev) {
b->enable(b_prev->enabled());
}
menu_work.push_back(b);
}
DBG_DP << "creating action buttons...\n";
const std::vector<theme::action>& actions = theme_.actions();
for(std::vector<theme::action>::const_iterator i = actions.begin(); i != actions.end(); ++i) {
std::shared_ptr<gui::button> b(new gui::button(screen_, i->title(), string_to_button_type(i->type()), i->image(),
gui::button::DEFAULT_SPACE, false, i->overlay()));
DBG_DP << "drawing button " << i->get_id() << "\n";
b->set_id(i->get_id());
b->join_same(this);
if (!i->tooltip(0).empty()){
b->set_tooltip_string(i->tooltip(0));
}
std::shared_ptr<gui::button> b_prev = find_action_button(b->id());
if(b_prev) b->enable(b_prev->enabled());
action_work.push_back(b);
}
menu_buttons_.clear();
menu_buttons_.assign(menu_work.begin(), menu_work.end());
action_buttons_.clear();
action_buttons_.assign(action_work.begin(), action_work.end());
layout_buttons();
DBG_DP << "buttons created\n";
}
void display::render_buttons()
{
for (std::shared_ptr<gui::button> btn : menu_buttons_) {
btn->set_dirty(true);
}
for (std::shared_ptr<gui::button> btn : action_buttons_) {
btn->set_dirty(true);
}
}
gui::button::TYPE display::string_to_button_type(std::string type)
{
gui::button::TYPE res = gui::button::TYPE_PRESS;
if (type == "checkbox") { res = gui::button::TYPE_CHECK; }
else if (type == "image") { res = gui::button::TYPE_IMAGE; }
else if (type == "radiobox") { res = gui::button::TYPE_RADIO; }
else if (type == "turbo") { res = gui::button::TYPE_TURBO; }
return res;
}
static const std::string& get_direction(size_t n)
{
static const std::string dirs[6] = { "-n", "-ne", "-se", "-s", "-sw", "-nw" };
return dirs[n >= sizeof(dirs)/sizeof(*dirs) ? 0 : n];
}
std::vector<surface> display::get_fog_shroud_images(const map_location& loc, image::TYPE image_type)
{
std::vector<std::string> names;
map_location adjacent[6];
get_adjacent_tiles(loc,adjacent);
enum visibility {FOG=0, SHROUD=1, CLEAR=2};
visibility tiles[6];
const std::string* image_prefix[] =
{ &game_config::fog_prefix, &game_config::shroud_prefix};
for(int i = 0; i != 6; ++i) {
if(shrouded(adjacent[i])) {
tiles[i] = SHROUD;
} else if(!fogged(loc) && fogged(adjacent[i])) {
tiles[i] = FOG;
} else {
tiles[i] = CLEAR;
}
}
for(int v = FOG; v != CLEAR; ++v) {
// Find somewhere that doesn't have overlap to use as a starting point
int start;
for(start = 0; start != 6; ++start) {
if(tiles[start] != v) {
break;
}
}
if(start == 6) {
// Completely surrounded by fog or shroud. This might have
// a special graphic.
const std::string name = *image_prefix[v] + "-all.png";
if ( image::exists(name) ) {
names.push_back(name);
// Proceed to the next visibility (fog -> shroud -> clear).
continue;
}
// No special graphic found. We'll just combine some other images
// and hope it works out.
start = 0;
}
// Find all the directions overlap occurs from
for (int i = (start+1)%6, cap1 = 0; i != start && cap1 != 6; ++cap1) {
if(tiles[i] == v) {
std::ostringstream stream;
std::string name;
stream << *image_prefix[v];