1 //  SuperTux - Thunderstorm Game Object
2 //  Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.de>
3 //
4 //  This program is free software: you can redistribute it and/or modify
5 //  it under the terms of the GNU General Public License as published by
6 //  the Free Software Foundation, either version 3 of the License, or
7 //  (at your option) any later version.
8 //
9 //  This program is distributed in the hope that it will be useful,
10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 //  GNU General Public License for more details.
13 //
14 //  You should have received a copy of the GNU General Public License
15 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 
17 #include "object/thunderstorm.hpp"
18 
19 #include "audio/sound_manager.hpp"
20 #include "editor/editor.hpp"
21 #include "object/electrifier.hpp"
22 #include "supertux/sector.hpp"
23 #include "util/reader.hpp"
24 #include "util/reader_mapping.hpp"
25 #include "video/drawing_context.hpp"
26 
27 namespace {
28 
29 const float LIGHTNING_DELAY = 2.0f;
30 const float FLASH_DISPLAY_TIME = 0.1f;
31 const float ELECTRIFY_TIME = 0.5f;
32 
33 } // namespace
34 
Thunderstorm(const ReaderMapping & reader)35 Thunderstorm::Thunderstorm(const ReaderMapping& reader) :
36   GameObject(reader),
37   ExposedObject<Thunderstorm, scripting::Thunderstorm>(this),
38   running(true),
39   interval(10.0f),
40   layer(LAYER_BACKGROUNDTILES-1),
41   m_strike_script(),
42   time_to_thunder(),
43   time_to_lightning(),
44   flash_display_timer()
45 {
46   reader.get("running", running);
47   reader.get("interval", interval);
48   reader.get("strike-script", m_strike_script, "");
49   if (interval <= 0) {
50     log_warning << "Running a thunderstorm with non-positive time interval is a bad idea" << std::endl;
51   }
52   layer = reader_get_layer (reader, LAYER_BACKGROUNDTILES - 1);
53 
54   SoundManager::current()->preload("sounds/thunder.wav");
55   SoundManager::current()->preload("sounds/lightning.wav");
56 
57   if (running) {
58     running = false; // else start() is ignored
59     start();
60   }
61 }
62 
63 ObjectSettings
get_settings()64 Thunderstorm::get_settings()
65 {
66   ObjectSettings result = GameObject::get_settings();
67 
68   result.add_int(_("Z-pos"), &layer, "z-pos", LAYER_BACKGROUNDTILES - 1);
69   result.add_bool(_("Running"), &running, "running", true);
70   result.add_float(_("Interval"), &interval, "interval", 10.0f);
71   result.add_text(_("Strike Script"), &m_strike_script, "strike-script");
72 
73   result.reorder({"interval", "name", "z-pos" "strike-script"});
74 
75   result.add_remove();
76 
77   return result;
78 }
79 
80 void
update(float)81 Thunderstorm::update(float )
82 {
83   if (!running) return;
84 
85   if (time_to_thunder.check()) {
86     thunder();
87     time_to_lightning.start(LIGHTNING_DELAY);
88   }
89   if (time_to_lightning.check()) {
90     lightning();
91     time_to_thunder.start(interval);
92   }
93 }
94 
95 void
draw(DrawingContext & context)96 Thunderstorm::draw(DrawingContext& context)
97 {
98   if (!flash_display_timer.started()) return;
99 
100   float alpha = 0.33f;
101   context.push_transform();
102   context.set_translation(Vector(0, 0));
103   context.color().draw_filled_rect(Rectf(0, 0,
104                                          static_cast<float>(context.get_width()),
105                                          static_cast<float>(context.get_height())),
106                                    Color(1, 1, 1, alpha), layer);
107   context.pop_transform();
108 
109 }
110 
111 void
start()112 Thunderstorm::start()
113 {
114   if (running) return;
115   running = true;
116   time_to_thunder.start(interval);
117   time_to_lightning.stop();
118 }
119 
120 void
stop()121 Thunderstorm::stop()
122 {
123   if (!running) return;
124   running = false;
125   time_to_thunder.stop();
126   time_to_lightning.stop();
127 }
128 
129 void
thunder()130 Thunderstorm::thunder()
131 {
132   SoundManager::current()->play("sounds/thunder.wav");
133 }
134 
135 void
lightning()136 Thunderstorm::lightning()
137 {
138   flash();
139   electrify();
140   if (!m_strike_script.empty()) {
141 	  Sector::get().run_script(m_strike_script, "strike-script");
142   }
143 }
144 
145 void
flash()146 Thunderstorm::flash()
147 {
148   SoundManager::current()->play("sounds/lightning.wav");
149   flash_display_timer.start(FLASH_DISPLAY_TIME);
150 }
151 
152 void
electrify()153 Thunderstorm::electrify()
154 {
155   auto changing_tiles = Electrifier::TileChangeMap({
156     {200, 1421}, {201, 1422},
157     {3419, 3523}, {3420, 3524},
158     {3421, 3525}, {3422, 3526},
159     {3423, 3527}, {3424, 3528},
160     {3425, 3529}, {3426, 3530},
161     {3427, 3523}, {3428, 3524},
162     {3429, 3525}, {3430, 3526},
163     {3431, 3527}, {3432, 3528},
164     {3433, 3529}, {3434, 3530},
165 	{2019, 3873}, {2140, 3874},
166 	{2141, 3875}, {2142, 3876},
167 	{2020, 3877}
168   });
169   Sector::get().add<Electrifier>(changing_tiles, ELECTRIFY_TIME);
170 }
171 
172 /* EOF */
173