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https://github.com/wesnoth/wesnoth
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Refactor [move_unit_fake]
This commit is contained in:
Alexander van Gessel
parent
8920c6ce2b
commit
89dbba9a0b
@ -48,6 +48,7 @@
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#include <boost/scoped_ptr.hpp>
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#include <boost/lexical_cast.hpp>
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#include <boost/ptr_container/ptr_vector.hpp>
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#include <algorithm>
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#include <iomanip>
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#include <iostream>
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@ -1021,89 +1022,108 @@ WML_HANDLER_FUNCTION(store_turns, /*event_info*/, cfg)
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resources::state_of_game->get_variable(var_name) = lexical_cast_default<std::string>(turns);
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}
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namespace {
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std::auto_ptr<unit> create_fake_unit(const vconfig& cfg)
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{
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std::string type = cfg["type"];
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std::string side = cfg["side"];
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std::string variation = cfg["variation"];
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size_t side_num = lexical_cast_default<int>(side,1)-1;
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if (side_num >= resources::teams->size()) side_num = 0;
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unit_race::GENDER gender = string_gender(cfg["gender"]);
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const unit_type *ut = unit_types.find(type);
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if (!ut) return std::auto_ptr<unit>();
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std::auto_ptr<unit> fake_unit(new unit(ut, side_num + 1, false, gender));
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if(!variation.empty()) {
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config mod;
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config &effect = mod.add_child("effect");
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effect["apply_to"] = "variation";
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effect["name"] = variation;
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fake_unit->add_modification("variation",mod);
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}
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return fake_unit;
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}
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std::vector<map_location> fake_unit_path(const unit& fake_unit, const std::vector<std::string>& xvals, const std::vector<std::string>& yvals)
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{
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gamemap *game_map = resources::game_map;
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std::vector<map_location> path;
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map_location src;
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map_location dst;
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for(size_t i = 0; i != std::min(xvals.size(),yvals.size()); ++i) {
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if(i==0){
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src.x = atoi(xvals[i].c_str())-1;
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src.y = atoi(yvals[i].c_str())-1;
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if (!game_map->on_board(src)) {
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ERR_CF << "invalid move_unit_fake source: " << src << '\n';
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break;
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}
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path.push_back(src);
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continue;
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}
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pathfind::shortest_path_calculator calc(fake_unit,
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(*resources::teams)[fake_unit.side()-1],
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*resources::units,
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*resources::teams,
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*game_map);
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dst.x = atoi(xvals[i].c_str())-1;
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dst.y = atoi(yvals[i].c_str())-1;
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if (!game_map->on_board(dst)) {
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ERR_CF << "invalid move_unit_fake destination: " << dst << '\n';
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break;
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}
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pathfind::plain_route route = pathfind::a_star_search(src, dst, 10000, &calc,
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game_map->w(), game_map->h());
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if (route.steps.size() == 0) {
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WRN_NG << "Could not find move_unit_fake route from " << src << " to " << dst << ": ignoring complexities\n";
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pathfind::emergency_path_calculator calc(fake_unit, *game_map);
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route = pathfind::a_star_search(src, dst, 10000, &calc,
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game_map->w(), game_map->h());
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if(route.steps.size() == 0) {
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// This would occur when trying to do a MUF of a unit
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// over locations which are unreachable to it (infinite movement
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// costs). This really cannot fail.
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WRN_NG << "Could not find move_unit_fake route from " << src << " to " << dst << ": ignoring terrain\n";
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pathfind::dummy_path_calculator calc(fake_unit, *game_map);
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route = a_star_search(src, dst, 10000, &calc, game_map->w(), game_map->h());
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assert(route.steps.size() > 0);
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}
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}
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// we add this section to the end of the complete path
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// skipping section's head because already included
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// by the previous iteration
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path.insert(path.end(),
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route.steps.begin()+1, route.steps.end());
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src = dst;
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}
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return path;
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}
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}
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// Moving a 'unit' - i.e. a dummy unit
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// that is just moving for the visual effect
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WML_HANDLER_FUNCTION(move_unit_fake, /*event_info*/, cfg)
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{
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gamemap *game_map = resources::game_map;
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std::auto_ptr<unit> dummy_unit = create_fake_unit(cfg);
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if(!dummy_unit.get())
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return;
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std::string type = cfg["type"];
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std::string side = cfg["side"];
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std::string x = cfg["x"];
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std::string y = cfg["y"];
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std::string variation = cfg["variation"];
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size_t side_num = lexical_cast_default<int>(side,1)-1;
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if (side_num >= resources::teams->size()) side_num = 0;
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unit_race::GENDER gender = string_gender(cfg["gender"]);
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const unit_type *ut = unit_types.find(type);
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if (!ut) return;
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unit dummy_unit(ut, side_num + 1, false, gender);
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config mod;
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config &effect = mod.add_child("effect");
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effect["apply_to"] = "variation";
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effect["name"] = variation;
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dummy_unit.add_modification("variation",mod);
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const std::string x = cfg["x"];
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const std::string y = cfg["y"];
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const std::vector<std::string> xvals = utils::split(x);
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const std::vector<std::string> yvals = utils::split(y);
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std::vector<map_location> path;
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map_location src;
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map_location dst;
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for(size_t i = 0; i != std::min(xvals.size(),yvals.size()); ++i) {
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if(i==0){
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src.x = atoi(xvals[i].c_str())-1;
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src.y = atoi(yvals[i].c_str())-1;
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if (!game_map->on_board(src)) {
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ERR_CF << "invalid move_unit_fake source: " << src << '\n';
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break;
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}
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path.push_back(src);
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continue;
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}
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pathfind::shortest_path_calculator calc(dummy_unit,
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(*resources::teams)[side_num],
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*resources::units,
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*resources::teams,
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*game_map);
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dst.x = atoi(xvals[i].c_str())-1;
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dst.y = atoi(yvals[i].c_str())-1;
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if (!game_map->on_board(dst)) {
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ERR_CF << "invalid move_unit_fake destination: " << dst << '\n';
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break;
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}
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pathfind::plain_route route = pathfind::a_star_search(src, dst, 10000, &calc,
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game_map->w(), game_map->h());
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if (route.steps.size() == 0) {
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WRN_NG << "Could not find move_unit_fake route from " << src << " to " << dst << ": ignoring complexities\n";
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pathfind::emergency_path_calculator calc(dummy_unit, *game_map);
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route = pathfind::a_star_search(src, dst, 10000, &calc,
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game_map->w(), game_map->h());
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if(route.steps.size() == 0) {
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// This would occur when trying to do a MUF of a unit
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// over locations which are unreachable to it (infinite movement
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// costs). This really cannot fail.
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WRN_NG << "Could not find move_unit_fake route from " << src << " to " << dst << ": ignoring terrain\n";
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pathfind::dummy_path_calculator calc(dummy_unit, *game_map);
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route = a_star_search(src, dst, 10000, &calc, game_map->w(), game_map->h());
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assert(route.steps.size() > 0);
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}
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}
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// we add this section to the end of the complete path
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// skipping section's head because already included
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// by the previous iteration
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path.insert(path.end(),
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route.steps.begin()+1, route.steps.end());
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src = dst;
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}
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if (!path.empty()) unit_display::move_unit(path, dummy_unit, *resources::teams);
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const std::vector<map_location>& path = fake_unit_path(*dummy_unit, xvals, yvals);
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if (!path.empty())
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unit_display::move_unit(path, *dummy_unit, *resources::teams);
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}
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// Helper function(s) for [set_variable]
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