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animation_component.cpp
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animation_component.cpp
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/*
Copyright (C) 2014 - 2017 by Chris Beck <render787@gmail.com>
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.
*/
#include "units/animation_component.hpp"
#include "config.hpp"
#include "display.hpp"
#include "map/map.hpp"
#include "preferences/general.hpp"
#include "units/unit.hpp"
#include "units/types.hpp"
#include <set>
const unit_animation* unit_animation_component::choose_animation(const display& disp, const map_location& loc,const std::string& event,
const map_location& second_loc,const int value,const unit_animation::hit_type hit,
const_attack_ptr attack, const_attack_ptr second_attack, int swing_num)
{
// Select one of the matching animations at random
std::vector<const unit_animation*> options;
int max_val = unit_animation::MATCH_FAIL;
for(std::vector<unit_animation>::const_iterator i = animations_.begin(); i != animations_.end(); ++i) {
int matching = i->matches(disp,loc,second_loc,&u_,event,value,hit,attack,second_attack,swing_num);
if(matching > unit_animation::MATCH_FAIL && matching == max_val) {
options.push_back(&*i);
} else if(matching > max_val) {
max_val = matching;
options.clear();
options.push_back(&*i);
}
}
if(max_val == unit_animation::MATCH_FAIL) {
return nullptr;
}
return options[rand()%options.size()];
}
void unit_animation_component::set_standing(bool with_bars)
{
display *disp = display::get_singleton();
if(disp == nullptr) return;
if (preferences::show_standing_animations()&& !u_.incapacitated()) {
start_animation(INT_MAX, choose_animation(*disp, u_.loc_, "standing"),
with_bars, "", {0,0,0}, STATE_STANDING);
} else {
start_animation(INT_MAX, choose_animation(*disp, u_.loc_, "_disabled_"),
with_bars, "", {0,0,0}, STATE_STANDING);
}
}
void unit_animation_component::set_ghosted(bool with_bars)
{
display *disp = display::get_singleton();
start_animation(INT_MAX, choose_animation(*disp, u_.loc_, "_ghosted_"),
with_bars);
anim_->pause_animation();
}
void unit_animation_component::set_disabled_ghosted(bool with_bars)
{
display *disp = display::get_singleton();
start_animation(INT_MAX, choose_animation(*disp, u_.loc_, "_disabled_ghosted_"),
with_bars);
}
void unit_animation_component::set_idling()
{
display *disp = display::get_singleton();
start_animation(INT_MAX, choose_animation(*disp, u_.loc_, "idling"),
true, "", {0,0,0}, STATE_FORGET);
}
void unit_animation_component::set_selecting()
{
const display *disp = display::get_singleton();
if (preferences::show_standing_animations() && !u_.incapacitated()) {
start_animation(INT_MAX, choose_animation(*disp, u_.loc_, "selected"),
true, "", {0,0,0}, STATE_FORGET);
} else {
start_animation(INT_MAX, choose_animation(*disp, u_.loc_, "_disabled_selected_"),
true, "", {0,0,0}, STATE_FORGET);
}
}
void unit_animation_component::start_animation (int start_time, const unit_animation *animation,
bool with_bars, const std::string &text, color_t text_color, STATE state)
{
const display * disp = display::get_singleton();
if (!animation) {
if (state == STATE_STANDING)
state_ = state;
if (!anim_ && state_ != STATE_STANDING)
set_standing(with_bars);
return ;
}
state_ = state;
// everything except standing select and idle
bool accelerate = (state != STATE_FORGET && state != STATE_STANDING);
draw_bars_ = with_bars;
anim_.reset(new unit_animation(*animation));
const int real_start_time = start_time == INT_MAX ? anim_->get_begin_time() : start_time;
anim_->start_animation(real_start_time, u_.loc_, u_.loc_.get_direction(u_.facing_),
text, text_color, accelerate);
frame_begin_time_ = anim_->get_begin_time() -1;
if (disp->idle_anim()) {
next_idling_ = get_current_animation_tick()
+ static_cast<int>((20000 + rand() % 20000) * disp->idle_anim_rate());
} else {
next_idling_ = INT_MAX;
}
}
void unit_animation_component::refresh()
{
if (state_ == STATE_FORGET && anim_ && anim_->animation_finished_potential())
{
set_standing();
return;
}
display &disp = *display::get_singleton();
if (state_ != STATE_STANDING || get_current_animation_tick() < next_idling_ ||
!disp.tile_nearly_on_screen(u_.loc_) || u_.incapacitated())
{
return;
}
if (get_current_animation_tick() > next_idling_ + 1000)
{
// prevent all units animating at the same time
if (disp.idle_anim()) {
next_idling_ = get_current_animation_tick()
+ static_cast<int>((20000 + rand() % 20000) * disp.idle_anim_rate());
} else {
next_idling_ = INT_MAX;
}
} else {
set_idling();
}
}
void unit_animation_component::clear_haloes ()
{
unit_halo_.reset();
if(anim_ ) anim_->clear_haloes();
}
void unit_animation_component::reset_after_advance(const unit_type * newtype)
{
if (newtype) {
animations_ = newtype->animations();
}
refreshing_ = false;
anim_.reset();
}
void unit_animation_component::apply_new_animation_effect(const config & effect) {
if(effect["id"].empty()) {
unit_animation::add_anims(animations_, effect);
} else {
static std::map< std::string, std::vector<unit_animation> > animation_cache;
std::vector<unit_animation> &built = animation_cache[effect["id"]];
if(built.empty()) {
unit_animation::add_anims(built, effect);
}
animations_.insert(animations_.end(),built.begin(),built.end());
}
}
std::vector<std::string> unit_animation_component::get_flags() {
std::set<std::string> result;
for(const auto& anim : animations_) {
const std::vector<std::string>& flags = anim.get_flags();
std::copy_if(flags.begin(), flags.end(), std::inserter(result, result.begin()), [](const std::string flag) {
return !(flag.empty() || (flag.front() == '_' && flag.back() == '_'));
});
}
return std::vector<std::string>(result.begin(), result.end());
}