/**
* Returns the sides that cannot currently see @a target.
* (Used to cache visibility before a move.)
*/
std::vector<int> get_sides_not_seeing(const unit & target)
{
const std::vector<team> & teams = resources::gameboard->teams();
std::vector<int> not_seeing;
std::size_t team_size = teams.size();
for ( std::size_t i = 0; i != team_size; ++i)
if ( !target.is_visible_to_team(teams[i], false) )
// not_see contains side numbers; i is a team index, so add 1.
not_seeing.push_back(i+1);
return not_seeing;
}
void unit_drawer::redraw_unit (const unit & u) const
{
unit_animation_component & ac = u.anim_comp();
map_location loc = u.get_location();
int side = u.side();
bool hidden = u.get_hidden();
bool is_flying = u.is_flying();
map_location::DIRECTION facing = u.facing();
int hitpoints = u.hitpoints();
int max_hitpoints = u.max_hitpoints();
int movement_left = u.movement_left();
int total_movement = u.total_movement();
bool can_recruit = u.can_recruit();
bool can_advance = u.can_advance();
int experience = u.experience();
int max_experience = u.max_experience();
bool emit_zoc = u.emits_zoc();
SDL_Color hp_color=u.hp_color();
SDL_Color xp_color=u.xp_color();
std::string ellipse=u.image_ellipse();
if ( hidden || is_blindfolded || !u.is_visible_to_team(viewing_team_ref,map, show_everything) )
{
ac.clear_haloes();
if(ac.anim_) {
ac.anim_->update_last_draw_time();
}
return;
}
if (!ac.anim_) {
ac.set_standing();
if (!ac.anim_) return;
}
if (ac.refreshing_) return;
ac.refreshing_ = true;
ac.anim_->update_last_draw_time();
frame_parameters params;
const t_translation::t_terrain terrain = map.get_terrain(loc);
const terrain_type& terrain_info = map.get_terrain_info(terrain);
// do not set to 0 so we can distinguish the flying from the "not on submerge terrain"
// instead use -1.0 (as in "negative depth", it will be ignored by rendering)
params.submerge= is_flying ? -1.0 : terrain_info.unit_submerge();
if (u.invisible(loc) &&
params.highlight_ratio > 0.5) {
params.highlight_ratio = 0.5;
}
if (loc == sel_hex && params.highlight_ratio == 1.0) {
params.highlight_ratio = 1.5;
}
int height_adjust = static_cast<int>(terrain_info.unit_height_adjust() * zoom_factor);
if (is_flying && height_adjust < 0) {
height_adjust = 0;
}
params.y -= height_adjust;
params.halo_y -= height_adjust;
int red = 0,green = 0,blue = 0,tints = 0;
double blend_ratio = 0;
// Add future colored states here
if(u.poisoned()) {
green += 255;
blend_ratio += 0.25;
tints += 1;
}
if(u.slowed()) {
red += 191;
green += 191;
blue += 255;
blend_ratio += 0.25;
tints += 1;
}
if(tints > 0) {
params.blend_with = disp.rgb((red/tints),(green/tints),(blue/tints));
params.blend_ratio = ((blend_ratio/tints));
}
//hackish : see unit_frame::merge_parameters
// we use image_mod on the primary image
// and halo_mod on secondary images and all haloes
params.image_mod = u.image_mods();
params.halo_mod = u.TC_image_mods();
params.image= u.default_anim_image();
if(u.incapacitated()) params.image_mod +="~GS()";
params.primary_frame = t_true;
const frame_parameters adjusted_params = ac.anim_->get_current_params(params);
const map_location dst = loc.get_direction(facing);
const int xsrc = disp.get_location_x(loc);
const int ysrc = disp.get_location_y(loc);
const int xdst = disp.get_location_x(dst);
const int ydst = disp.get_location_y(dst);
const int x = static_cast<int>(adjusted_params.offset * xdst + (1.0-adjusted_params.offset) * xsrc) + hex_size_by_2;
const int y = static_cast<int>(adjusted_params.offset * ydst + (1.0-adjusted_params.offset) * ysrc) + hex_size_by_2;
bool has_halo = ac.unit_halo_ && ac.unit_halo_->valid();
if(!has_halo && !u.image_halo().empty()) {
ac.unit_halo_ = halo_man.add(0, 0, u.image_halo()+u.TC_image_mods(), map_location(-1, -1));
}
if(has_halo && u.image_halo().empty()) {
halo_man.remove(ac.unit_halo_);
ac.unit_halo_ = halo::handle(); //halo::NO_HALO;
} else if(has_halo) {
halo_man.set_location(ac.unit_halo_, x, y - height_adjust);
}
// We draw bars only if wanted, visible on the map view
bool draw_bars = ac.draw_bars_ ;
if (draw_bars) {
SDL_Rect unit_rect = sdl::create_rect(xsrc, ysrc +adjusted_params.y, hex_size, hex_size);
draw_bars = sdl::rects_overlap(unit_rect, disp.map_outside_area());
}
#ifdef SDL_GPU
sdl::timage ellipse_front;
sdl::timage ellipse_back;
#else
surface ellipse_front(nullptr);
surface ellipse_back(nullptr);
#endif
int ellipse_floating = 0;
// Always show the ellipse for selected units
if(draw_bars && (preferences::show_side_colors() || sel_hex == loc)) {
if(adjusted_params.submerge > 0.0) {
// The division by 2 seems to have no real meaning,
// It just works fine with the current center of ellipse
// and prevent a too large adjust if submerge = 1.0
ellipse_floating = static_cast<int>(adjusted_params.submerge * hex_size_by_2);
}
if(ellipse.empty()){
ellipse="misc/ellipse";
}
if(ellipse != "none") {
// check if the unit has a ZoC or can recruit
const char* const nozoc = emit_zoc ? "" : "nozoc-";
const char* const leader = can_recruit ? "leader-" : "";
const char* const selected = sel_hex == loc ? "selected-" : "";
// Load the ellipse parts recolored to match team color
char buf[100];
std::string tc=team::get_side_color_index(side);
#ifdef SDL_GPU
snprintf(buf,sizeof(buf),"%s-%s%s%stop.png~RC(ellipse_red>%s)",ellipse.c_str(),leader,nozoc,selected,tc.c_str());
ellipse_back = image::get_texture(image::locator(buf), image::SCALED_TO_ZOOM);
snprintf(buf,sizeof(buf),"%s-%s%s%sbottom.png~RC(ellipse_red>%s)",ellipse.c_str(),leader,nozoc,selected,tc.c_str());
ellipse_front = image::get_texture(image::locator(buf), image::SCALED_TO_ZOOM);
#else
snprintf(buf,sizeof(buf),"%s-%s%s%stop.png~RC(ellipse_red>%s)",ellipse.c_str(),leader,nozoc,selected,tc.c_str());
ellipse_back.assign(image::get_image(image::locator(buf), image::SCALED_TO_ZOOM));
snprintf(buf,sizeof(buf),"%s-%s%s%sbottom.png~RC(ellipse_red>%s)",ellipse.c_str(),leader,nozoc,selected,tc.c_str());
ellipse_front.assign(image::get_image(image::locator(buf), image::SCALED_TO_ZOOM));
#endif
}
}
#ifdef SDL_GPU
if (!ellipse_back.null()) {
//disp.drawing_buffer_add(display::LAYER_UNIT_BG, loc,
disp.drawing_buffer_add(display::LAYER_UNIT_FIRST, loc,
xsrc, ysrc +adjusted_params.y-ellipse_floating, ellipse_back);
}
if (!ellipse_front.null()) {
//disp.drawing_buffer_add(display::LAYER_UNIT_FG, loc,
disp.drawing_buffer_add(display::LAYER_UNIT_FIRST, loc,
xsrc, ysrc +adjusted_params.y-ellipse_floating, ellipse_front);
}
#else
if (ellipse_back != nullptr) {
//disp.drawing_buffer_add(display::LAYER_UNIT_BG, loc,
disp.drawing_buffer_add(display::LAYER_UNIT_FIRST, loc,
xsrc, ysrc +adjusted_params.y-ellipse_floating, ellipse_back);
}
if (ellipse_front != nullptr) {
//disp.drawing_buffer_add(display::LAYER_UNIT_FG, loc,
disp.drawing_buffer_add(display::LAYER_UNIT_FIRST, loc,
xsrc, ysrc +adjusted_params.y-ellipse_floating, ellipse_front);
}
#endif
if(draw_bars) {
const image::locator* orb_img = nullptr;
const surface unit_img = image::get_image(u.default_anim_image(), image::SCALED_TO_ZOOM);
const int xoff = (hex_size - unit_img->w)/2;
const int yoff = (hex_size - unit_img->h)/2;
/*static*/ const image::locator partmoved_orb(game_config::images::orb + "~RC(magenta>" +
preferences::partial_color() + ")" );
/*static*/ const image::locator moved_orb(game_config::images::orb + "~RC(magenta>" +
preferences::moved_color() + ")" );
/*static*/ const image::locator ally_orb(game_config::images::orb + "~RC(magenta>" +
preferences::allied_color() + ")" );
/*static*/ const image::locator enemy_orb(game_config::images::orb + "~RC(magenta>" +
preferences::enemy_color() + ")" );
/*static*/ const image::locator unmoved_orb(game_config::images::orb + "~RC(magenta>" +
preferences::unmoved_color() + ")" );
const std::string* energy_file = &game_config::images::energy;
if(size_t(side) != viewing_team+1) {
if(disp.team_valid() &&
viewing_team_ref.is_enemy(side)) {
if (preferences::show_enemy_orb() && !u.incapacitated())
orb_img = &enemy_orb;
else
orb_img = nullptr;
} else {
if (preferences::show_allied_orb())
orb_img = &ally_orb;
else orb_img = nullptr;
}
} else {
if (preferences::show_moved_orb())
orb_img = &moved_orb;
else orb_img = nullptr;
if(playing_team == viewing_team && !u.user_end_turn()) {
if (movement_left == total_movement) {
if (preferences::show_unmoved_orb())
orb_img = &unmoved_orb;
else orb_img = nullptr;
} else if ( dc.unit_can_move(u) ) {
if (preferences::show_partial_orb())
orb_img = &partmoved_orb;
else orb_img = nullptr;
}
}
}
if (orb_img != nullptr) {
surface orb(image::get_image(*orb_img,image::SCALED_TO_ZOOM));
disp.drawing_buffer_add(display::LAYER_UNIT_BAR,
loc, xsrc + xoff, ysrc + yoff + adjusted_params.y, orb);
}
double unit_energy = 0.0;
if(max_hitpoints > 0) {
unit_energy = double(hitpoints)/double(max_hitpoints);
}
const int bar_shift = static_cast<int>(-5*zoom_factor);
const int hp_bar_height = static_cast<int>(max_hitpoints * u.hp_bar_scaling());
const fixed_t bar_alpha = (loc == mouse_hex || loc == sel_hex) ? ftofxp(1.0): ftofxp(0.8);
draw_bar(*energy_file, xsrc+xoff+bar_shift, ysrc+yoff+adjusted_params.y,
loc, hp_bar_height, unit_energy,hp_color, bar_alpha);
if(experience > 0 && can_advance) {
const double filled = double(experience)/double(max_experience);
const int xp_bar_height = static_cast<int>(max_experience * u.xp_bar_scaling() / std::max<int>(u.level(),1));
draw_bar(*energy_file, xsrc+xoff, ysrc+yoff+adjusted_params.y,
loc, xp_bar_height, filled, xp_color, bar_alpha);
}
if (can_recruit) {
surface crown(image::get_image(u.leader_crown(),image::SCALED_TO_ZOOM));
if(!crown.null()) {
//if(bar_alpha != ftofxp(1.0)) {
// crown = adjust_surface_alpha(crown, bar_alpha);
//}
disp.drawing_buffer_add(display::LAYER_UNIT_BAR,
loc, xsrc+xoff, ysrc+yoff+adjusted_params.y, crown);
}
}
for(std::vector<std::string>::const_iterator ov = u.overlays().begin(); ov != u.overlays().end(); ++ov) {
#ifdef SDL_GPU
const sdl::timage ov_img(image::get_texture(*ov, image::SCALED_TO_ZOOM));
if(!ov_img.null()) {
disp.drawing_buffer_add(display::LAYER_UNIT_BAR,
loc, xsrc, ysrc +adjusted_params.y, ov_img);
}
#else
const surface ov_img(image::get_image(*ov, image::SCALED_TO_ZOOM));
if(ov_img != nullptr) {
disp.drawing_buffer_add(display::LAYER_UNIT_BAR,
loc, xsrc+xoff, ysrc+yoff+adjusted_params.y, ov_img);
}
#endif
}
}
// Smooth unit movements from terrain of different elevation.
// Do this separately from above so that the health bar doesn't go up and down.
const t_translation::t_terrain terrain_dst = map.get_terrain(dst);
const terrain_type& terrain_dst_info = map.get_terrain_info(terrain_dst);
int height_adjust_unit = static_cast<int>((terrain_info.unit_height_adjust() * (1.0 - adjusted_params.offset) +
terrain_dst_info.unit_height_adjust() * adjusted_params.offset) *
zoom_factor);
if (is_flying && height_adjust_unit < 0) {
height_adjust_unit = 0;
}
params.y -= height_adjust_unit - height_adjust;
params.halo_y -= height_adjust_unit - height_adjust;
ac.anim_->redraw(params, halo_man);
ac.refreshing_ = false;
}
/**
* Fires sighted events for the sides that can see @a target.
* If @a cache is supplied, only those sides might get events.
* If @a cache is nullptr, all sides might get events.
* This function is for the sighting *of* units that clear the shroud; it is
* the complement of shroud_clearer::fire_events(), which handles sighting *by*
* units that clear the shroud.
*
* See get_sides_not_seeing() for a way to obtain a cache.
*
* @returns true if an event has mutated the game state.
*/
game_events::pump_result_t actor_sighted(const unit & target, const std::vector<int> * cache)
/* Current logic:
* 1) One event is fired per side that can see the target.
* 2) The second unit for the event is one that can see the target, if possible.
* 3) If no units on a side can see the target, a second unit is chosen as
* close as possible (but this behavior should not be relied on; it is
* subject to change at any time, should it become inconvenient).
* 4) A side with no units at all will not get a sighted event.
* 5) Sides that do not use fog or shroud CAN get sighted events.
*/
{
const std::vector<team> & teams = resources::gameboard->teams();
const std::size_t teams_size = teams.size();
const map_location & target_loc = target.get_location();
// Determine the teams that (probably) should get events.
boost::dynamic_bitset<> needs_event;
needs_event.resize(teams_size, cache == nullptr);
if ( cache != nullptr ) {
// Flag just the sides in the cache as needing events.
for (int side : *cache)
needs_event[side-1] = true;
}
// Exclude the target's own team.
needs_event[target.side()-1] = false;
// Exclude those teams that cannot see the target.
for ( std::size_t i = 0; i != teams_size; ++i )
needs_event[i] = needs_event[i] && target.is_visible_to_team(teams[i], false);
// Cache "jamming".
std::vector< std::map<map_location, int>> jamming_cache(teams_size);
for ( std::size_t i = 0; i != teams_size; ++i )
if ( needs_event[i] )
create_jamming_map(jamming_cache[i], teams[i]);
// Look for units that can be used as the second unit in sighted events.
std::vector<const unit *> second_units(teams_size, nullptr);
std::vector<std::size_t> distances(teams_size, UINT_MAX);
for (const unit & viewer : resources::gameboard->units()) {
const std::size_t index = viewer.side() - 1;
// Does viewer belong to a team for which we still need a unit?
if ( needs_event[index] && distances[index] != 0 ) {
if ( can_see(viewer, target_loc, &jamming_cache[index]) ) {
// Definitely use viewer as the second unit.
second_units[index] = &viewer;
distances[index] = 0;
}
else {
// Consider viewer as a backup if it is close.
std::size_t viewer_distance =
distance_between(target_loc, viewer.get_location());
if ( viewer_distance < distances[index] ) {
second_units[index] = &viewer;
distances[index] = viewer_distance;
}
}
}
}
// Raise events for the appropriate teams.
const game_events::entity_location target_entity(target);
for ( std::size_t i = 0; i != teams_size; ++i )
if ( second_units[i] != nullptr ) {
resources::game_events->pump().raise(sighted_str, target_entity, game_events::entity_location(*second_units[i]));
}
// Fire the events and return.
return resources::game_events->pump()();
}