1 #include "shop_item.h"
2 #include "label.h"
3 #include "i18n.h"
4 #include "resource_manager.h"
5 #include "animation_model.h"
6 #include "sdlx/surface.h"
7 #include "button.h"
8 #include "math/binary.h"
9 
ShopItem(const Campaign & campaign,const Campaign::ShopItem & item,const int w)10 ShopItem::ShopItem(const Campaign &campaign, const Campaign::ShopItem &item, const int w) : _active(false), t(0), dir_t(0) {
11 	_name = new Label("medium", item.name);
12 	int fw, fh;
13 	_name->get_size(fw, fh);
14 
15 	int bw, bh;
16 	_b_plus = new Button("medium", "+");
17 	_b_plus->get_size(bw, bh);
18 	_b_minus = new Button("medium", "-");
19 
20 	int h = math::max(bh, fh);
21 	ybase = h / 2;
22 	int yfont = h / 2 - fh / 2;
23 
24 	add(0, yfont, _name);
25 	add(w / 2, yfont, _price = new Label("medium", mrt::format_string("%d", item.price).c_str()));
26 
27 	int x_am = 3 * w / 4;
28 	add(x_am, yfont, _amount = new Label("medium", "0"));
29 
30 	xbase = 7 * w / 16;
31 	dir_speed = item.dir_speed;
32 
33 	add(x_am - 112 + bw, h / 2 - bh / 2, _b_minus);
34 	add(x_am + 32, h / 2 - bh / 2, _b_plus);
35 
36 	revalidate(campaign, item, false);
37 }
38 
revalidate(const Campaign & campaign,const Campaign::ShopItem & item,const bool active)39 void ShopItem::revalidate(const Campaign &campaign, const Campaign::ShopItem &item, const bool active) {
40 	_active = active;
41 
42 	_b_plus->hide(!active);
43 	_b_minus->hide(!active);
44 
45 	int cash = campaign.getCash();
46 	std::string font = item.price > cash?"medium_dark":"medium";
47 	_name->setFont(font);
48 	_price->setFont(font);
49 	_amount->setFont(font);
50 	_amount->set(mrt::format_string("%d", item.amount));
51 
52 	if (!item.object.empty() && !item.animation.empty() && !item.pose.empty()) {
53 		_animation = ResourceManager.get_const()->getAnimation(item.animation);
54 		_surface = ResourceManager->load_surface(_animation->surface);
55 		_animation_model = ResourceManager->get_animation_model(_animation->model);
56 		_pose = _animation_model->getPose(item.pose);
57 	} else {
58 		_animation = NULL;
59 		_animation_model = NULL;
60 		_pose = NULL;
61 	}
62 }
63 
render(sdlx::Surface & surface,const int x,const int y) const64 void ShopItem::render(sdlx::Surface &surface, const int x, const int y) const {
65 	Container::render(surface, x, y);
66 	if (_pose == NULL || _animation == NULL || _animation_model == NULL)
67 		return;
68 	int frame = ((int)(t * _pose->speed)) % _pose->frames.size();
69 
70 	int dirs = (_surface->get_width() - 1) / _animation->tw + 1;
71 	int dir = ((int)(dir_t * dir_speed)) % dirs;
72 
73 	sdlx::Rect from(dir * _animation->tw, _pose->frames[frame] * _animation->th, _animation->tw, _animation->th);
74 	surface.blit(*_surface, from, x + xbase - _animation->tw / 2, y + ybase - _animation->th / 2);
75 }
76 
tick(const float dt)77 void ShopItem::tick(const float dt) {
78 	Container::tick(dt);
79 	if (_b_plus->changed()) {
80 		_b_plus->reset();
81 		sold = false;
82 		invalidate(true);
83 	}
84 
85 	if (_b_minus->changed()) {
86 		_b_minus->reset();
87 		sold = true;
88 		invalidate(true);
89 	}
90 
91 	if (_pose == NULL || _animation == NULL || _surface == NULL || !_active)
92 		return;
93 	t += dt;
94 	dir_t += dt;
95 	//LOG_DEBUG(("t = %g", t));
96 	if ((t * _pose->speed) > (int)_pose->frames.size())
97 		t -= (float)_pose->frames.size() / _pose->speed;
98 
99 	int dirs = (_surface->get_width() - 1) / _animation->tw + 1;
100 	if ((dir_t * dir_speed) > dirs)
101 		dir_t -= (float)dirs / dir_speed;
102 }
103