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action_wml.cpp
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action_wml.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
* Implementations of action WML tags, other than those implemented in Lua, and
* excluding conditional action WML.
*/
#include "global.hpp"
#include "action_wml.hpp"
#include "conditional_wml.hpp"
#include "manager.hpp"
#include "pump.hpp"
#include "actions/attack.hpp"
#include "actions/create.hpp"
#include "actions/move.hpp"
#include "actions/vision.hpp"
#include "ai/manager.hpp"
#include "config_assign.hpp"
#include "fake_unit_ptr.hpp"
#include "game_classification.hpp"
#include "game_display.hpp"
#include "game_errors.hpp"
#include "game_preferences.hpp"
#include "gettext.hpp"
#include "gui/dialogs/transient_message.hpp"
#include "gui/dialogs/wml_message.hpp"
#include "gui/widgets/window.hpp"
#include "log.hpp"
#include "map.hpp"
#include "map_exception.hpp"
#include "map_label.hpp"
#include "network.hpp"
#include "pathfind/teleport.hpp"
#include "pathfind/pathfind.hpp"
#include "persist_var.hpp"
#include "play_controller.hpp"
#include "recall_list_manager.hpp"
#include "replay.hpp"
#include "random_new.hpp"
#include "resources.hpp"
#include "scripting/game_lua_kernel.hpp"
#include "side_filter.hpp"
#include "sound.hpp"
#include "soundsource.hpp"
#include "synced_context.hpp"
#include "team.hpp"
#include "terrain_filter.hpp"
#include "unit.hpp"
#include "unit_animation_component.hpp"
#include "unit_display.hpp"
#include "unit_filter.hpp"
#include "wml_exception.hpp"
#include <boost/foreach.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/scoped_ptr.hpp>
static lg::log_domain log_engine("engine");
#define DBG_NG LOG_STREAM(debug, log_engine)
#define LOG_NG LOG_STREAM(info, log_engine)
#define WRN_NG LOG_STREAM(warn, log_engine)
#define ERR_NG LOG_STREAM(err, log_engine)
static lg::log_domain log_display("display");
#define DBG_DP LOG_STREAM(debug, log_display)
#define LOG_DP LOG_STREAM(info, log_display)
static lg::log_domain log_wml("wml");
#define LOG_WML LOG_STREAM(info, log_wml)
#define ERR_WML LOG_STREAM(err, log_wml)
static lg::log_domain log_config("config");
#define ERR_CF LOG_STREAM(err, log_config)
// This file is in the game_events namespace.
namespace game_events
{
// This must be defined before any WML actions are.
// (So keep it at the rop of this file?)
wml_action::map wml_action::registry_;
namespace { // advance declarations
std::string get_caption(const vconfig& cfg, unit_map::iterator speaker);
std::string get_image(const vconfig& cfg, unit_map::iterator speaker);
}
namespace { // Types
class recursion_preventer {
typedef std::map<map_location, int> t_counter;
static t_counter counter_;
static const int max_recursion = 10;
map_location loc_;
bool too_many_recursions_;
public:
recursion_preventer(map_location& loc) :
loc_(loc),
too_many_recursions_(false)
{
t_counter::iterator inserted = counter_.insert(std::make_pair(loc_, 0)).first;
++inserted->second;
too_many_recursions_ = inserted->second >= max_recursion;
}
~recursion_preventer()
{
t_counter::iterator itor = counter_.find(loc_);
if (--itor->second == 0)
{
counter_.erase(itor);
}
}
bool too_many_recursions() const
{
return too_many_recursions_;
}
};
recursion_preventer::t_counter recursion_preventer::counter_;
typedef boost::scoped_ptr<recursion_preventer> recursion_preventer_ptr;
struct message_user_choice : mp_sync::user_choice
{
vconfig cfg;
unit_map::iterator speaker;
vconfig text_input_element;
bool has_text_input;
const std::vector<std::string> &options;
message_user_choice(const vconfig &c, const unit_map::iterator &s,
const vconfig &t, bool ht, const std::vector<std::string> &o)
: cfg(c), speaker(s), text_input_element(t)
, has_text_input(ht), options(o)
{}
virtual config query_user(int /*side*/) const
{
std::string image = get_image(cfg, speaker);
std::string caption = get_caption(cfg, speaker);
size_t right_offset = image.find("~RIGHT()");
bool left_side = right_offset == std::string::npos;
if (!left_side) {
image.erase(right_offset);
}
// Parse input text, if not available all fields are empty
std::string text_input_label = text_input_element["label"];
std::string text_input_content = text_input_element["text"];
unsigned input_max_size = text_input_element["max_length"].to_int(256);
if (input_max_size > 1024 || input_max_size < 1) {
lg::wml_error << "invalid maximum size for input "
<< input_max_size << '\n';
input_max_size = 256;
}
int option_chosen = -1;
int dlg_result = gui2::show_wml_message(left_side,
resources::screen->video(), caption, cfg["message"],
image, false, has_text_input, text_input_label,
&text_input_content, input_max_size, options,
&option_chosen);
/* Since gui2::show_wml_message needs to do undrawing the
chatlines can get garbled and look dirty on screen. Force a
redraw to fix it. */
/** @todo This hack can be removed once gui2 is finished. */
resources::screen->invalidate_all();
resources::screen->draw(true,true);
if (dlg_result == gui2::twindow::CANCEL) {
resources::game_events->pump().context_skip_messages(true);
}
config cfg;
if (!options.empty()) cfg["value"] = option_chosen;
if (has_text_input) cfg["text"] = text_input_content;
return cfg;
}
virtual config random_choice(int /*side*/) const
{
return config();
}
};
} // end anonymous namespace (types)
namespace { // Variables
int floating_label = 0;
} // end anonymous namespace (variables)
namespace { // Support functions
/**
* Converts a vconfig to a location (based on x,y=).
* The default parameter values cause the default return value (if neither
* x nor y is specified) to equal map_location::null_location().
*/
map_location cfg_to_loc(const vconfig& cfg, int defaultx = -999, int defaulty = -999)
{
int x = cfg["x"].to_int(defaultx) - 1;
int y = cfg["y"].to_int(defaulty) - 1;
return map_location(x, y);
}
fake_unit_ptr create_fake_unit(const vconfig& cfg)
{
std::string type = cfg["type"];
std::string variation = cfg["variation"];
std::string img_mods = cfg["image_mods"];
size_t side_num = cfg["side"].to_int(1);
if ( side_num == 0 || side_num > resources::teams->size() )
side_num = 1;
unit_race::GENDER gender = string_gender(cfg["gender"]);
const unit_type *ut = unit_types.find(type);
if (!ut) return fake_unit_ptr();
fake_unit_ptr fake = fake_unit_ptr(unit_ptr(new unit(*ut, side_num, false, gender)));
if(!variation.empty()) {
config mod;
config &effect = mod.add_child("effect");
effect["apply_to"] = "variation";
effect["name"] = variation;
fake->add_modification("variation",mod);
}
if(!img_mods.empty()) {
config mod;
config &effect = mod.add_child("effect");
effect["apply_to"] = "image_mod";
effect["add"] = img_mods;
fake->add_modification("image_mod",mod);
}
return fake;
}
std::vector<map_location> fake_unit_path(const unit& fake_unit, const std::vector<std::string>& xvals, const std::vector<std::string>& yvals)
{
const gamemap *game_map = & resources::gameboard->map();
std::vector<map_location> path;
map_location src;
map_location dst;
for(size_t i = 0; i != std::min(xvals.size(),yvals.size()); ++i) {
if(i==0){
src.x = atoi(xvals[i].c_str())-1;
src.y = atoi(yvals[i].c_str())-1;
if (!game_map->on_board(src)) {
ERR_CF << "invalid move_unit_fake source: " << src << '\n';
break;
}
path.push_back(src);
continue;
}
pathfind::shortest_path_calculator calc(fake_unit,
(*resources::teams)[fake_unit.side()-1],
*resources::teams,
*game_map);
dst.x = atoi(xvals[i].c_str())-1;
dst.y = atoi(yvals[i].c_str())-1;
if (!game_map->on_board(dst)) {
ERR_CF << "invalid move_unit_fake destination: " << dst << '\n';
break;
}
pathfind::plain_route route = pathfind::a_star_search(src, dst, 10000, &calc,
game_map->w(), game_map->h());
if (route.steps.empty()) {
WRN_NG << "Could not find move_unit_fake route from " << src << " to " << dst << ": ignoring complexities" << std::endl;
pathfind::emergency_path_calculator calc(fake_unit, *game_map);
route = pathfind::a_star_search(src, dst, 10000, &calc,
game_map->w(), game_map->h());
if(route.steps.empty()) {
// This would occur when trying to do a MUF of a unit
// over locations which are unreachable to it (infinite movement
// costs). This really cannot fail.
WRN_NG << "Could not find move_unit_fake route from " << src << " to " << dst << ": ignoring terrain" << std::endl;
pathfind::dummy_path_calculator calc(fake_unit, *game_map);
route = a_star_search(src, dst, 10000, &calc, game_map->w(), game_map->h());
assert(!route.steps.empty());
}
}
// we add this section to the end of the complete path
// skipping section's head because already included
// by the previous iteration
path.insert(path.end(),
route.steps.begin()+1, route.steps.end());
src = dst;
}
return path;
}
/**
* Helper to handle the caption part of [message].
*
* @param cfg cfg of message.
* @param speaker The speaker of the message.
*
* @returns The caption to show.
*/
std::string get_caption(const vconfig& cfg, unit_map::iterator speaker)
{
std::string caption = cfg["caption"];
if (caption.empty() && speaker != resources::units->end()) {
caption = speaker->name();
if(caption.empty()) {
caption = speaker->type_name();
}
}
return caption;
}
/**
* Helper to handle the image part of [message].
*
* @param cfg cfg of message.
* @param speaker The speaker of the message.
*
* @returns The image to show.
*/
std::string get_image(const vconfig& cfg, unit_map::iterator speaker)
{
std::string image = cfg["image"];
if (image.empty() && speaker != resources::units->end())
{
image = speaker->big_profile();
#ifndef LOW_MEM
if(image == speaker->absolute_image()) {
image += speaker->image_mods();
}
#endif
}
return image;
}
/**
* Helper to handle the speaker part of [message].
*
* @param event_info event_info of message.
* @param cfg cfg of message.
*
* @returns The unit who's the speaker or units->end().
*/
unit_map::iterator handle_speaker(const queued_event& event_info,
const vconfig& cfg, bool scroll)
{
unit_map *units = resources::units;
game_display &screen = *resources::screen;
unit_map::iterator speaker = units->end();
const std::string speaker_str = cfg["speaker"];
if(speaker_str == "unit") {
speaker = units->find(event_info.loc1);
} else if(speaker_str == "second_unit") {
speaker = units->find(event_info.loc2);
} else if(speaker_str != "narrator") {
const unit_filter ufilt(cfg, resources::filter_con);
for(speaker = units->begin(); speaker != units->end(); ++speaker){
if ( ufilt(*speaker) )
break;
}
}
if(speaker != units->end()) {
LOG_NG << "set speaker to '" << speaker->name() << "'\n";
const map_location &spl = speaker->get_location();
screen.highlight_hex(spl);
if(scroll) {
LOG_DP << "scrolling to speaker..\n";
const int offset_from_center = std::max<int>(0, spl.y - 1);
screen.scroll_to_tile(map_location(spl.x, offset_from_center));
}
screen.highlight_hex(spl);
} else if(speaker_str == "narrator") {
LOG_NG << "no speaker\n";
screen.highlight_hex(map_location::null_location());
} else {
return speaker;
}
screen.draw(false);
LOG_DP << "done scrolling to speaker...\n";
return speaker;
}
/**
* Implements the lifting and resetting of fog via WML.
* Keeping affect_normal_fog as false causes only the fog override to be affected.
* Otherwise, fog lifting will be implemented similar to normal sight (cannot be
* individually reset and ends at the end of the turn), and fog resetting will, in
* addition to removing overrides, extend the specified teams' normal fog to all
* hexes.
*/
void toggle_fog(const bool clear, const vconfig& cfg, const bool affect_normal_fog=false)
{
// Filter the sides.
const vconfig &ssf = cfg.child("filter_side");
const side_filter s_filter(ssf.null() ? vconfig::empty_vconfig() : ssf, resources::filter_con);
const std::vector<int> sides = s_filter.get_teams();
// Filter the locations.
std::set<map_location> locs;
const terrain_filter t_filter(cfg, resources::filter_con);
t_filter.get_locations(locs, true);
// Loop through sides.
BOOST_FOREACH(const int &side_num, sides)
{
team &t = (*resources::teams)[side_num-1];
if ( !clear )
{
// Extend fog.
t.remove_fog_override(locs);
if ( affect_normal_fog )
t.refog();
}
else if ( !affect_normal_fog )
// Force the locations clear of fog.
t.add_fog_override(locs);
else
// Simply clear fog from the locations.
BOOST_FOREACH(const map_location &hex, locs)
t.clear_fog(hex);
}
// Flag a screen update.
resources::screen->recalculate_minimap();
resources::screen->invalidate_all();
}
void handle_event_commands(const queued_event& event_info, const vconfig &cfg) {
assert(resources::lua_kernel);
resources::lua_kernel->run_wml_action("command", cfg, event_info);
}
} // end anonymous namespace (support functions)
void handle_deprecated_message(const config& cfg)
{
// Note: no need to translate the string, since only used for deprecated things.
const std::string& message = cfg["message"];
lg::wml_error << message << '\n';
}
void handle_wml_log_message(const config& cfg)
{
const std::string& logger = cfg["logger"];
const std::string& msg = cfg["message"];
bool in_chat = cfg["to_chat"].to_bool(true);
resources::game_events->pump().put_wml_message(logger,msg,in_chat);
}
/**
* Using this constructor for a static object outside action_wml.cpp
* will likely lead to a static initialization fiasco.
* @param[in] tag The WML tag for this action.
* @param[in] function The callback for this action.
*/
wml_action::wml_action(const std::string & tag, handler function)
{
registry_[tag] = function;
}
/**
* WML_HANDLER_FUNCTION macro handles auto registration for wml handlers
*
* @param pname wml tag name
* @param pei the variable name of the queued_event object inside the function
* @param pcfg the variable name of the config object inside the function
*
* You are warned! This is evil macro magic!
*
* The following code registers a [foo] tag:
* \code
* // comment out unused parameters to prevent compiler warnings
* WML_HANDLER_FUNCTION(foo, event_info, cfg)
* {
* // code for foo
* }
* \endcode
*
* Generated code looks like this:
* \code
* void wml_func_foo(...);
* static wml_action wml_action_foo("foo", &wml_func_foo);
* void wml_func_foo(...)
* {
* // code for foo
* }
* \endcode
*/
#define WML_HANDLER_FUNCTION(pname, pei, pcfg) \
static void wml_func_##pname(const queued_event &pei, const vconfig &pcfg); \
static wml_action wml_action_##pname(#pname, &wml_func_##pname); \
static void wml_func_##pname(const queued_event& pei, const vconfig& pcfg)
WML_HANDLER_FUNCTION(animate_unit, event_info, cfg)
{
const events::command_disabler disable_commands;
unit_display::wml_animation(cfg, event_info.loc1);
}
/// Experimental data persistence
/// @todo Finish experimenting.
WML_HANDLER_FUNCTION(clear_global_variable,/**/,pcfg)
{
if (get_replay_source().at_end() || (network::nconnections() != 0))
verify_and_clear_global_variable(pcfg);
}
WML_HANDLER_FUNCTION(deprecated_message, /*event_info*/, cfg)
{
handle_deprecated_message( cfg.get_parsed_config() );
}
static void on_replay_error(const std::string& message, bool /*b*/)
{
ERR_NG << "Error via [do_command]:" << std::endl;
ERR_NG << message << std::endl;
}
// This tag exposes part of the code path used to handle [command]'s in replays
// This allows to perform scripting in WML that will use the same code path as player actions, for example.
WML_HANDLER_FUNCTION(do_command, /*event_info*/, cfg)
{
//TODO: don't allow this if we are in a whiteboard applied context.
static const std::set<std::string> allowed_tags = boost::assign::list_of("attack")("move")("recruit")("recall")("disband")("fire_event")("lua_ai");
const bool is_too_early = resources::gamedata->phase() != game_data::START && resources::gamedata->phase() != game_data::PLAY;
if(is_too_early)
{
ERR_NG << "[do_command] called too early, only allowed at START or later" << std::endl;
return;
}
for(vconfig::all_children_iterator i = cfg.ordered_begin(); i != cfg.ordered_end(); ++i)
{
if(allowed_tags.find( i.get_key()) == allowed_tags.end()) {
ERR_NG << "unsupported tag [" << i.get_key() << "] in [do_command]" << std::endl;
std::stringstream o;
std::copy(allowed_tags.begin(), allowed_tags.end(), std::ostream_iterator<std::string>(o, " "));
ERR_NG << "allowed tags: " << o.str() << std::endl;
continue;
}
//Note that this fires related events and everthing else that also happen normally.
//have to watch out with the undo stack, therefore forbid [auto_shroud] and [update_shroud] here...
synced_context::run_in_synced_context_if_not_already(
/*commandname*/ i.get_key(),
/*data*/ i.get_child().get_parsed_config(),
/*use_undo*/ true,
/*show*/ true,
/*error_handler*/ &on_replay_error);
}
}
WML_HANDLER_FUNCTION(endlevel, /*event_info*/, cfg)
{
end_level_data &data = resources::controller->get_end_level_data();
if(data.transient.disabled) {
WRN_NG << "repeated [endlevel] execution, ignoring" << std::endl;
return;
}
data.transient.disabled = true;
game_classification &classification = *resources::classification;
unit_map *units = resources::units;
// Remove 0-hp units from the unit map to avoid the following problem:
// In case a die event triggers an endlevel the dead unit is still as a
// 'ghost' in linger mode. After save loading in linger mode the unit
// is fully visible again.
unit_map::iterator u = units->begin();
while (u != units->end()) {
if (u->hitpoints() <= 0) {
units->erase(u++);
} else {
++u;
}
}
std::string next_scenario = cfg["next_scenario"];
if (!next_scenario.empty()) {
resources::gamedata->set_next_scenario(next_scenario);
}
std::string end_of_campaign_text = cfg["end_text"];
if (!end_of_campaign_text.empty()) {
classification.end_text = end_of_campaign_text;
}
config::attribute_value end_of_campaign_text_delay = cfg["end_text_duration"];
if (!end_of_campaign_text_delay.empty()) {
classification.end_text_duration =
end_of_campaign_text_delay.to_int(classification.end_text_duration);
}
if(cfg.has_attribute("end_credits")) {
classification.end_credits = cfg["end_credits"].to_bool(true);
}
std::string result = cfg["result"];
VALIDATE_WITH_DEV_MESSAGE(
result.empty() || result == "victory" || result == "defeat"
, _("Invalid value in the result key for [end_level]")
, "result = '" + result + "'.");
data.transient.custom_endlevel_music = cfg["music"].str();
data.transient.carryover_report = cfg["carryover_report"].to_bool(true);
data.prescenario_save = cfg["save"].to_bool(true);
data.replay_save = cfg["replay_save"].to_bool(true);
data.transient.linger_mode = cfg["linger_mode"].to_bool(true)
&& !resources::teams->empty();
data.transient.reveal_map = cfg["reveal_map"].to_bool(true);
data.gold_bonus = cfg["bonus"].to_bool(true);
data.carryover_percentage = cfg["carryover_percentage"].to_int(game_config::gold_carryover_percentage);
data.carryover_add = cfg["carryover_add"].to_bool();
if(result == "defeat") {
data.carryover_add = false;
resources::controller->force_end_level(DEFEAT);
} else {
resources::controller->force_end_level(VICTORY);
}
}
/// Experimental data persistence
/// @todo Finish experimenting.
WML_HANDLER_FUNCTION(get_global_variable,/**/,pcfg)
{
verify_and_get_global_variable(pcfg);
}
WML_HANDLER_FUNCTION(heal_unit, event_info, cfg)
{
unit_map* units = resources::units;
const vconfig & healers_filter = cfg.child("filter_second");
std::vector<unit*> healers;
if (!healers_filter.null()) {
const unit_filter ufilt(healers_filter, resources::filter_con);
BOOST_FOREACH(unit& u, *units) {
if ( ufilt(u) && u.has_ability_type("heals") ) {
healers.push_back(&u);
}
}
}
const config::attribute_value amount = cfg["amount"];
const config::attribute_value moves = cfg["moves"];
const bool restore_attacks = cfg["restore_attacks"].to_bool(false);
const bool restore_statuses = cfg["restore_statuses"].to_bool(true);
const bool animate = cfg["animate"].to_bool(false);
const vconfig & healed_filter = cfg.child("filter");
bool only_unit_at_loc1 = healed_filter.null();
bool heal_amount_to_set = true;
const unit_filter ufilt(healed_filter, resources::filter_con);
for(unit_map::unit_iterator u = units->begin(); u != units->end(); ++u) {
if (only_unit_at_loc1)
{
u = units->find(event_info.loc1);
if(!u.valid()) return;
}
else if ( !ufilt(*u) ) continue;
int heal_amount = u->max_hitpoints() - u->hitpoints();
if(amount.blank() || amount == "full") u->set_hitpoints(u->max_hitpoints());
else {
heal_amount = lexical_cast_default<int, config::attribute_value> (amount, heal_amount);
const int new_hitpoints = std::max(1, std::min(u->max_hitpoints(), u->hitpoints() + heal_amount));
heal_amount = new_hitpoints - u->hitpoints();
u->set_hitpoints(new_hitpoints);
}
if(!moves.blank()) {
if(moves == "full") u->set_movement(u->total_movement());
else {
// set_movement doesn't set below 0
u->set_movement(std::min<int>(
u->total_movement(),
u->movement_left() + lexical_cast_default<int, config::attribute_value> (moves, 0)
));
}
}
if(restore_attacks) u->set_attacks(u->max_attacks());
if(restore_statuses)
{
u->set_state(unit::STATE_POISONED, false);
u->set_state(unit::STATE_SLOWED, false);
u->set_state(unit::STATE_PETRIFIED, false);
u->set_state(unit::STATE_UNHEALABLE, false);
u->anim_comp().set_standing();
}
if (heal_amount_to_set)
{
heal_amount_to_set = false;
resources::gamedata->get_variable("heal_amount") = heal_amount;
}
if(animate) unit_display::unit_healing(*u, healers, heal_amount);
if(only_unit_at_loc1) return;
}
}
WML_HANDLER_FUNCTION(kill, event_info, cfg)
{
bool secondary_unit = cfg.has_child("secondary_unit");
entity_location killer_loc(map_location(0, 0));
if(cfg["fire_event"].to_bool() && secondary_unit)
{
secondary_unit = false;
const unit_filter ufilt(cfg.child("secondary_unit"), resources::filter_con);
for(unit_map::const_unit_iterator unit = resources::units->begin();
unit != resources::units->end(); ++unit) {
if ( ufilt( *unit) )
{
killer_loc = entity_location(*unit);
secondary_unit = true;
break;
}
}
if(!secondary_unit) {
WRN_NG << "failed to match [secondary_unit] in [kill] with a single on-board unit" << std::endl;
}
}
//Find all the dead units first, because firing events ruins unit_map iteration
std::vector<unit *> dead_men_walking;
const unit_filter ufilt(cfg, resources::filter_con);
BOOST_FOREACH(unit & u, *resources::units){
if ( ufilt(u) ) {
dead_men_walking.push_back(&u);
}
}
BOOST_FOREACH(unit * un, dead_men_walking) {
map_location loc(un->get_location());
bool fire_event = false;
entity_location death_loc(*un);
if(!secondary_unit) {
killer_loc = entity_location(*un);
}
if (cfg["fire_event"].to_bool())
{
// Prevent infinite recursion of 'die' events
fire_event = true;
recursion_preventer_ptr recursion_prevent;
if (event_info.loc1 == death_loc && (event_info.name == "die" || event_info.name == "last breath"))
{
recursion_prevent.reset(new recursion_preventer(death_loc));
if(recursion_prevent->too_many_recursions())
{
fire_event = false;
ERR_NG << "tried to fire 'die' or 'last breath' event on primary_unit inside its own 'die' or 'last breath' event with 'first_time_only' set to false!" << std::endl;
}
}
}
if (fire_event) {
resources::game_events->pump().fire("last breath", death_loc, killer_loc);
}
// Visual consequences of the kill.
if (cfg["animate"].to_bool()) {
resources::screen->scroll_to_tile(loc);
unit_map::iterator iun = resources::units->find(loc);
if (iun != resources::units->end() && iun.valid()) {
unit_display::unit_die(loc, *iun);
}
} else {
// Make sure the unit gets (fully) cleaned off the screen.
resources::screen->invalidate(loc);
unit_map::iterator iun = resources::units->find(loc);
if ( iun != resources::units->end() && iun.valid() )
iun->anim_comp().invalidate(*resources::screen);
}
resources::screen->redraw_minimap();
if (fire_event) {
resources::game_events->pump().fire("die", death_loc, killer_loc);
unit_map::iterator iun = resources::units->find(death_loc);
if ( death_loc.matches_unit(iun) ) {
resources::units->erase(iun);
}
}
else resources::units->erase(loc);
}
// If the filter doesn't contain positional information,
// then it may match units on all recall lists.
t_string const& cfg_x = cfg["x"];
t_string const& cfg_y = cfg["y"];
if((cfg_x.empty() || cfg_x == "recall")
&& (cfg_y.empty() || cfg_y == "recall"))
{
const unit_filter ufilt(cfg, resources::filter_con);
//remove the unit from the corresponding team's recall list
for(std::vector<team>::iterator pi = resources::teams->begin();
pi!=resources::teams->end(); ++pi)
{
for(std::vector<unit_ptr>::iterator j = pi->recall_list().begin(); j != pi->recall_list().end();) { //TODO: This block is really messy, cleanup somehow...
scoped_recall_unit auto_store("this_unit", pi->save_id(), j - pi->recall_list().begin());
if (ufilt( *(*j), map_location() )) {
j = pi->recall_list().erase(j);
} else {
++j;
}
}
}
}
}
WML_HANDLER_FUNCTION(lift_fog, /*event_info*/, cfg)
{
toggle_fog(true, cfg, !cfg["multiturn"].to_bool(false));
}
/// Display a message dialog
WML_HANDLER_FUNCTION(message, event_info, cfg)
{
// Check if there is any input to be made, if not the message may be skipped
const vconfig::child_list menu_items = cfg.get_children("option");
const vconfig::child_list text_input_elements = cfg.get_children("text_input");
const bool has_text_input = (text_input_elements.size() == 1);
bool has_input= (has_text_input || !menu_items.empty() );
// skip messages during quick replay
play_controller *controller = resources::controller;
if(!has_input && (
controller->is_skipping_replay() ||
resources::game_events->pump().context_skip_messages()
))
{
return;
}
// Check if this message is for this side
std::string side_for_raw = cfg["side_for"];
if (!side_for_raw.empty())
{
/* Always ignore side_for when the message has some input
boxes, but display the error message only if side_for is
used for an inactive side. */
bool side_for_show = has_input;
std::vector<std::string> side_for =
utils::split(side_for_raw, ',', utils::STRIP_SPACES | utils::REMOVE_EMPTY);
std::vector<std::string>::iterator itSide;
size_t side;
// Check if any of side numbers are human controlled
for (itSide = side_for.begin(); itSide != side_for.end(); ++itSide)
{
side = lexical_cast_default<size_t>(*itSide);
// Make sanity check that side number is good
// then check if this side is human controlled.
if (side > 0 && side <= resources::teams->size() &&
(*resources::teams)[side-1].is_local_human())
{
side_for_show = true;
break;
}
}
if (!side_for_show)
{
DBG_NG << "player isn't controlling side which should get message\n";
return;
}
}
unit_map::iterator speaker = handle_speaker(event_info, cfg, cfg["scroll"].to_bool(true));
if (speaker == resources::units->end() && cfg["speaker"] != "narrator") {
// No matching unit found, so the dialog can't come up.
// Continue onto the next message.
WRN_NG << "cannot show message" << std::endl;
return;
}
std::vector<std::string> options;
std::vector<vconfig::child_list> option_events;
for(vconfig::child_list::const_iterator mi = menu_items.begin();
mi != menu_items.end(); ++mi) {
std::string msg_str = (*mi)["message"];
if (!mi->has_child("show_if")
|| conditional_passed(mi->child("show_if")))
{
options.push_back(msg_str);
option_events.push_back((*mi).get_children("command"));
}
}
has_input = !options.empty() || has_text_input;
if (!has_input && get_replay_source().is_skipping()) {
// No input to get and the user is not interested either.
return;
}
if (cfg.has_attribute("sound")) {
sound::play_sound(cfg["sound"]);
}
if(text_input_elements.size()>1) {
lg::wml_error << "too many text_input tags, only one accepted\n";
}
const vconfig text_input_element = has_text_input ?
text_input_elements.front() : vconfig::empty_vconfig();
int option_chosen = 0;
std::string text_input_result;
DBG_DP << "showing dialog...\n";
message_user_choice msg(cfg, speaker, text_input_element, has_text_input,
options);
if (!has_input)
{
/* Always show the dialog if it has no input, whether we are
replaying or not. */
msg.query_user(resources::controller->current_side());
}
else
{
config choice = mp_sync::get_user_choice("input", msg, cfg["side_for"].to_int(0));
option_chosen = choice["value"];
text_input_result = choice["text"].str();
}
// Implement the consequences of the choice
if(options.empty() == false) {
if(size_t(option_chosen) >= menu_items.size()) {
std::stringstream errbuf;
errbuf << "invalid choice (" << option_chosen
<< ") was specified, choice 0 to " << (menu_items.size() - 1)
<< " was expected.\n";
replay::process_error(errbuf.str());
return;
}
BOOST_FOREACH(const vconfig &cmd, option_events[option_chosen]) {
handle_event_commands(event_info, cmd);
}
}
if(has_text_input) {
std::string variable_name=text_input_element["variable"];
if(variable_name.empty())
variable_name="input";
resources::gamedata->set_variable(variable_name, text_input_result);
}
}
WML_HANDLER_FUNCTION(modify_ai, /*event_info*/, cfg)
{
const vconfig& filter_side = cfg.child("filter_side");
std::vector<int> sides;
if(!filter_side.null()) {
// TODO: since 1.11.0-dev it seems
WRN_NG << "[modify_ai][filter_side] is deprecated, use only an inline SSF" << std::endl;
if(!cfg["side"].str().empty()) {
ERR_NG << "duplicate side information in [modify_ai]" << std::endl;
return;
}
side_filter ssf(filter_side, resources::filter_con);