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display.cpp
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display.cpp
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/*
Copyright (C) 2003 - 2014 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 "game_preferences.hpp"
#include "gettext.hpp"
#include "halo.hpp"
#include "language.hpp"
#include "log.hpp"
#include "marked-up_text.hpp"
#include "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 "synced_context.hpp"
#include "team.hpp"
#include "terrain_builder.hpp"
#include "text.hpp"
#include "time_of_day.hpp"
#include "tooltips.hpp"
#include "tod_manager.hpp"
#include "unit.hpp"
#include "unit_animation_component.hpp"
#include "unit_drawer.hpp"
#include "whiteboard/manager.hpp"
#include "SDL_image.h"
#include <boost/foreach.hpp>
#ifdef __SUNPRO_CC
// GCC doesn't have hypot in cmath so include it for Sun Studio
#include <math.h>
#endif
#include <cmath>
// Includes for bug #17573
#if defined(__GLIBC__)
#include <gnu/libc-version.h>
#include <cstdio>
#endif
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 {
const int DefaultZoom = game_config::tile_size;
const int SmallZoom = DefaultZoom / 2;
const int MinZoom = 4;
const int MaxZoom = 200;
size_t sunset_delay = 0;
bool benchmark = false;
bool debug_foreground = false;
}
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];
BOOST_FOREACH(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, 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, 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) {
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, boost::weak_ptr<wb::manager> wb, const config& theme_cfg, const config& level) :
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_(DefaultZoom),
fake_unit_man_(new fake_unit_manager(*this)),
builder_(new terrain_builder(level, &dc_->map(), theme_.border().tile_image)),
minimap_(NULL),
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)),
scroll_event_("scrolled"),
complete_redraw_event_("completely_redrawn"),
nextDraw_(0),
reportRects_(),
reportSurfaces_(),
reports_(),
menu_buttons_(),
action_buttons_(),
sliders_(),
invalidated_(),
previous_invalidated_(),
mouseover_hex_overlay_(NULL),
tod_hex_mask1(NULL),
tod_hex_mask2(NULL),
fog_images_(),
shroud_images_(),
selectedHex_(),
mouseoverHex_(),
keys_(),
animate_map_(true),
local_tod_light_(false),
flags_(),
activeTeam_(0),
drawing_buffer_(),
map_screenshot_(false),
reach_map_(),
reach_map_old_(),
reach_map_changed_(true),
overlays_(NULL),
fps_handle_(0),
invalidated_hexes_(0),
drawn_hexes_(0),
idle_anim_(preferences::idle_anim()),
idle_anim_rate_(1.0),
map_screenshot_surf_(NULL),
redraw_observers_(),
draw_coordinates_(false),
draw_terrain_codes_(false),
arrows_map_(),
color_adjust_()
#if defined(__GLIBC__)
, do_reverse_memcpy_workaround_(false)
#endif
{
singleton_ = this;
resources::fake_units = fake_unit_man_.get();
blindfold_ctr_ = 0;
read(level.child_or_empty("display"));
if(non_interactive()
&& (get_video_surface() != NULL
&& 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());
image::set_zoom(zoom_);
init_flags();
#if defined(__GLIBC__) && !SDL_VERSION_ATLEAST(2,0,0)
// Runtime checks for bug #17573
// Get glibc runtime version information
int glibc, glibc_minor;
sscanf(gnu_get_libc_version(), "%d.%d", &glibc, &glibc_minor);
// Get SDL runtime version information
const SDL_version* v = SDL_Linked_Version();
do_reverse_memcpy_workaround_ = (glibc > 2 || (glibc == 2 && glibc_minor >= 13)) &&
(v->major < 1 || (v->major == 1 && v->minor < 2) ||
(v->major == 1 && v->minor == 2 && v->patch < 15) );
#endif
}
display::~display()
{
singleton_ = NULL;
resources::fake_units = NULL;
}
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 = team::get_side_color_index(i+1);
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, team::get_side_color_index(side + 1));
}
void display::init_flags_for_side_internal(size_t n, const std::string& side_color)
{
assert(dc_ != NULL);
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);
std::vector<std::string>::const_iterator itor = items.begin();
for(; itor != items.end(); ++itor) {
const std::vector<std::string>& items = utils::split(*itor, ':');
std::string str;
int time;
if(items.size() > 1) {
str = items.front();
time = atoi(items.back().c_str());
} else {
str = *itor;
time = 100;
}
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);
}
#ifdef SDL_GPU
sdl::timage display::get_flag(const map_location& loc)
{
t_translation::t_terrain terrain = get_map().get_terrain(loc);
if(!get_map().is_village(terrain)) {
return surface(NULL);
}
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_texture(image_flag, image::TOD_COLORED);
}
}
return sdl::timage();
}
#else
surface display::get_flag(const map_location& loc)
{
t_translation::t_terrain terrain = get_map().get_terrain(loc);
if(!get_map().is_village(terrain)) {
return surface(NULL);
}
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(NULL);
}
#endif
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(NULL);
dont_show_all_ = false;
}
labels().recalculate_labels();
if(boost::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[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;
}
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() / minimap_location_.w;
int py = (y - minimap_location_.y) * get_map().h()*hex_size() / minimap_location_.h;
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;
}
int display::screenshot(std::string filename, bool map_screenshot)
{
int size = 0;
if (!map_screenshot) {
surface screenshot_surf = screen_.getSurface();
SDL_SaveBMP(screenshot_surf, filename.c_str());
size = screenshot_surf->w * screenshot_surf->h;
} else {
if (get_map().empty()) {
// Map Screenshot are big, abort and warn the user if he does strange things
std::cerr << "No map, can't do a Map Screenshot. If it was not wanted, check your hotkey.\n";
return -1;
}
SDL_Rect area = max_map_area();
map_screenshot_surf_ = create_compatible_surface(screen_.getSurface(), area.w, area.h);
if (map_screenshot_surf_ == NULL) {
// Memory problem ?
std::cerr << "Can't create the screenshot surface. Maybe too big, try dezooming.\n";
return -1;
}
size = map_screenshot_surf_->w * map_screenshot_surf_->h;
// 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
SDL_SaveBMP(map_screenshot_surf_, filename.c_str());
//NOTE: need to be sure that we free this huge surface (is it enough?)
map_screenshot_surf_ = NULL;
// 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();
}
// convert pixel size to BMP size
size = (2048 + size*3);
return size;
}
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 NULL;
}
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 NULL;
}
gui::slider* display::find_slider(const std::string& id)
{
for (size_t i = 0; i < sliders_.size(); ++i) {
if(sliders_[i].id() == id) {
return &sliders_[i];
}
}
return NULL;
}
void display::create_buttons()
{
std::vector<gui::button> menu_work;
std::vector<gui::button> action_work;
std::vector<gui::slider> slider_work;
DBG_DP << "creating sliders...\n";
const std::vector<theme::slider>& sliders = theme_.sliders();
for(std::vector<theme::slider>::const_iterator i = sliders.begin(); i != sliders.end(); ++i) {
gui::slider s(screen_, i->image(), i->black_line());
DBG_DP << "drawing button " << i->get_id() << "\n";
s.set_id(i->get_id());
const SDL_Rect& loc = i->location(screen_area());
s.set_location(loc);
//TODO support for non zoom sliders
s.set_max(MaxZoom);
s.set_min(MinZoom);
s.set_value(zoom_);
if (!i->tooltip().empty()){
s.set_tooltip_string(i->tooltip());
}
if(sdl::rects_overlap(s.location(),map_outside_area())) {
s.set_volatile(true);
}
gui::slider* s_prev = find_slider(s.id());
if(s_prev) {
s.set_max(s_prev->max_value());
s.set_min(s_prev->min_value());
s.set_value(s_prev->value());
s.enable(s_prev->enabled());
}
slider_work.push_back(s);
}
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;
gui::button b(screen_, i->title(), gui::button::TYPE_PRESS, i->image(),
gui::button::DEFAULT_SPACE, true, i->overlay());
DBG_DP << "drawing button " << i->get_id() << "\n";
b.set_id(i->get_id());
const SDL_Rect& loc = i->location(screen_area());
b.set_location(loc.x,loc.y);
if (!i->tooltip().empty()){
b.set_tooltip_string(i->tooltip());
}
if(sdl::rects_overlap(b.location(),map_outside_area())) {
b.set_volatile(true);
}
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) {
gui::button b(screen_, i->title(), string_to_button_type(i->type()), i->image(),
gui::button::DEFAULT_SPACE, true, i->overlay());
DBG_DP << "drawing button " << i->get_id() << "\n";
b.set_id(i->get_id());
const SDL_Rect& loc = i->location(screen_area());
b.set_location(loc.x,loc.y);
if (!i->tooltip(0).empty()){
b.set_tooltip_string(i->tooltip(0));
}
if(sdl::rects_overlap(b.location(),map_outside_area())) {
b.set_volatile(true);
}
gui::button* b_prev = find_action_button(b.id());
if(b_prev) b.enable(b_prev->enabled());
action_work.push_back(b);
}
menu_buttons_.swap(menu_work);
action_buttons_.swap(action_work);
sliders_.swap(slider_work);
DBG_DP << "buttons created\n";
}
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 std::string const dirs[6] = { "-n", "-ne", "-se", "-s", "-sw", "-nw" };
return dirs[n >= sizeof(dirs)/sizeof(*dirs) ? 0 : n];
}
#ifdef SDL_GPU
std::vector<sdl::timage> display::get_fog_shroud_images(const map_location& loc, image::TYPE image_type)
#else
std::vector<surface> display::get_fog_shroud_images(const map_location& loc, image::TYPE image_type)
#endif
{
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;
}