time_of_day tod_manager::time_of_day_at(const unit_map& units,const map_location& loc, const gamemap& map) const
{
int lighten = std::max<int>(map.get_terrain_info(map.get_terrain(loc)).light_modification() , 0);
int darken = std::min<int>(map.get_terrain_info(map.get_terrain(loc)).light_modification() , 0);
time_of_day tod = get_time_of_day(lighten + darken,loc);
if(loc.valid()) {
map_location locs[7];
locs[0] = loc;
get_adjacent_tiles(loc,locs+1);
for(int i = 0; i != 7; ++i) {
const unit_map::const_iterator itor = units.find(locs[i]);
if(itor != units.end() &&
itor->second.get_ability_bool("illuminates") &&
!itor->second.incapacitated())
{
unit_ability_list illum = itor->second.get_abilities("illuminates");
unit_abilities::effect illum_effect(illum,lighten,false);
int mod = illum_effect.get_composite_value();
if(mod + tod.lawful_bonus > illum.highest("max_value").first) {
mod = illum.highest("max_value").first - tod.lawful_bonus;
}
lighten = std::max<int>(mod, lighten);
darken = std::min<int>(mod, darken);
}
}
}
tod = get_time_of_day(lighten + darken,loc);
return tod;
}
const time_of_day tod_manager::get_illuminated_time_of_day(const map_location& loc, int for_turn) const
{
// get ToD ignoring illumination
time_of_day tod = get_time_of_day(loc, for_turn);
// now add illumination
const gamemap& map = *resources::game_map;
const unit_map& units = *resources::units;
int light_modif = map.get_terrain_info(map.get_terrain(loc)).light_modification();
int light = tod.lawful_bonus + light_modif;
int illum_light = light;
if(loc.valid()) {
map_location locs[7];
locs[0] = loc;
get_adjacent_tiles(loc,locs+1);
for(int i = 0; i != 7; ++i) {
const unit_map::const_iterator itor = units.find(locs[i]);
if(itor != units.end() &&
itor->get_ability_bool("illuminates") &&
!itor->incapacitated())
{
unit_ability_list illum = itor->get_abilities("illuminates");
unit_abilities::effect illum_effect(illum, light, false);
illum_light = light + illum_effect.get_composite_value();
//max_value and min_value control the final result
//unless ToD + terrain effect is stronger
int max = std::max(light, illum.highest("max_value").first);
int min = std::min(light, illum.lowest("min_value").first);
if(illum_light > max) {
illum_light = max;
} else if (illum_light < min) {
illum_light = min;
}
}
}
}
tod.bonus_modified = illum_light - tod.lawful_bonus;
tod.lawful_bonus = illum_light;
return tod;
}
const time_of_day tod_manager::get_illuminated_time_of_day(const unit_map & units, const gamemap & map, const map_location& loc, int for_turn) const
{
// get ToD ignoring illumination
time_of_day tod = get_time_of_day(loc, for_turn);
if ( map.on_board_with_border(loc) )
{
// Now add terrain illumination.
const int terrain_light = map.get_terrain_info(loc).light_bonus(tod.lawful_bonus);
std::vector<int> mod_list;
std::vector<int> max_list;
std::vector<int> min_list;
int most_add = 0;
int most_sub = 0;
// Find the "illuminates" effects from units that can affect loc.
map_location locs[7];
locs[0] = loc;
get_adjacent_tiles(loc,locs+1);
for ( size_t i = 0; i != 7; ++i ) {
const unit_map::const_iterator itor = units.find(locs[i]);
if (itor != units.end() &&
itor->get_ability_bool("illuminates") &&
!itor->incapacitated())
{
unit_ability_list illum = itor->get_abilities("illuminates");
unit_abilities::effect illum_effect(illum, terrain_light, false);
const int unit_mod = illum_effect.get_composite_value();
// Record this value.
mod_list.push_back(unit_mod);
max_list.push_back(illum.highest("max_value").first);
min_list.push_back(illum.lowest("min_value").first);
if ( unit_mod > most_add )
most_add = unit_mod;
else if ( unit_mod < most_sub )
most_sub = unit_mod;
}
}
const bool net_darker = most_add < -most_sub;
// Apply each unit's effect, tracking the best result.
int best_result = terrain_light;
const int base_light = terrain_light + (net_darker ? most_add : most_sub);
for ( size_t i = 0; i != mod_list.size(); ++i ) {
int result =
bounded_add(base_light, mod_list[i], max_list[i], min_list[i]);
if ( net_darker && result < best_result )
best_result = result;
else if ( !net_darker && result > best_result )
best_result = result;
}
// Update the object we will return.
tod.bonus_modified = best_result - tod.lawful_bonus;
tod.lawful_bonus = best_result;
}
return tod;
}
