src/supertux/player_status.cpp

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00001 //  SuperTux
00002 //  Copyright (C) 2003 Tobias Glaesser <tobi.web@gmx.de>
00003 //  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
00004 //
00005 //  This program is free software: you can redistribute it and/or modify
00006 //  it under the terms of the GNU General Public License as published by
00007 //  the Free Software Foundation, either version 3 of the License, or
00008 //  (at your option) any later version.
00009 //
00010 //  This program is distributed in the hope that it will be useful,
00011 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 //  GNU General Public License for more details.
00014 //
00015 //  You should have received a copy of the GNU General Public License
00016 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
00017 
00018 #include <math.h>
00019 #include <sstream>
00020 
00021 #include "audio/sound_manager.hpp"
00022 #include "util/writer.hpp"
00023 #include "supertux/globals.hpp"
00024 #include "supertux/player_status.hpp"
00025 #include "supertux/resources.hpp"
00026 #include "supertux/timer.hpp"
00027 #include "util/reader.hpp"
00028 #include "video/drawing_context.hpp"
00029 
00030 static const int START_COINS = 100;
00031 static const int MAX_COINS = 9999;
00032 
00033 static const int DISPLAYED_COINS_UNSET = -1;
00034 
00035 PlayerStatus* player_status = 0;
00036 
00037 PlayerStatus::PlayerStatus() :
00038   /* Do we really want -Weffc++ to bully us into duplicating code from "reset" here? */
00039   coins(START_COINS),
00040   bonus(NO_BONUS),
00041   max_fire_bullets(0),
00042   max_ice_bullets(0),
00043   displayed_coins(DISPLAYED_COINS_UNSET),
00044   displayed_coins_frame(0),
00045   coin_surface()
00046 {
00047   reset();
00048 
00049   coin_surface = Surface::create("images/engine/hud/coins-0.png");
00050   sound_manager->preload("sounds/coin.wav");
00051   sound_manager->preload("sounds/lifeup.wav");
00052 }
00053 
00054 PlayerStatus::~PlayerStatus()
00055 {
00056 }
00057 
00058 void PlayerStatus::reset()
00059 {
00060   coins = START_COINS;
00061   bonus = NO_BONUS;
00062   displayed_coins = DISPLAYED_COINS_UNSET;
00063 }
00064 
00065 void
00066 PlayerStatus::add_coins(int count, bool play_sound)
00067 {
00068   static float sound_played_time = 0;
00069   coins = std::min(coins + count, MAX_COINS);
00070   if(play_sound) {
00071     if(count >= 100)
00072       sound_manager->play("sounds/lifeup.wav");
00073     else if (real_time > sound_played_time + 0.010) {
00074       sound_manager->play("sounds/coin.wav");
00075       sound_played_time = real_time;
00076     }
00077   }
00078 }
00079 
00080 void
00081 PlayerStatus::write(lisp::Writer& writer)
00082 {
00083   switch(bonus) {
00084     case NO_BONUS:
00085       writer.write("bonus", "none");
00086       break;
00087     case GROWUP_BONUS:
00088       writer.write("bonus", "growup");
00089       break;
00090     case FIRE_BONUS:
00091       writer.write("bonus", "fireflower");
00092       break;
00093     case ICE_BONUS:
00094       writer.write("bonus", "iceflower");
00095       break;
00096     default:
00097       log_warning << "Unknown bonus type." << std::endl;
00098       writer.write("bonus", "none");
00099   }
00100   writer.write("fireflowers", max_fire_bullets);
00101   writer.write("iceflowers", max_ice_bullets);
00102 
00103   writer.write("coins", coins);
00104 }
00105 
00106 void
00107 PlayerStatus::read(const Reader& lisp)
00108 {
00109   reset();
00110 
00111   std::string bonusname;
00112   if(lisp.get("bonus", bonusname)) {
00113     if(bonusname == "none") {
00114       bonus = NO_BONUS;
00115     } else if(bonusname == "growup") {
00116       bonus = GROWUP_BONUS;
00117     } else if(bonusname == "fireflower") {
00118       bonus = FIRE_BONUS;
00119     } else if(bonusname == "iceflower") {
00120       bonus = ICE_BONUS;
00121     } else {
00122       log_warning << "Unknown bonus '" << bonusname << "' in savefile" << std::endl;
00123       bonus = NO_BONUS;
00124     }
00125   }
00126   lisp.get("fireflowers", max_fire_bullets);
00127   lisp.get("iceflowers", max_ice_bullets);
00128 
00129   lisp.get("coins", coins);
00130 }
00131 
00132 void
00133 PlayerStatus::draw(DrawingContext& context)
00134 {
00135   int player_id = 0;
00136 
00137   if ((displayed_coins == DISPLAYED_COINS_UNSET) ||
00138       (fabsf(displayed_coins - coins) > 100)) {
00139     displayed_coins = coins;
00140     displayed_coins_frame = 0;
00141   }
00142   if (++displayed_coins_frame > 2) {
00143     displayed_coins_frame = 0;
00144     if (displayed_coins < coins) displayed_coins++;
00145     if (displayed_coins > coins) displayed_coins--;
00146   }
00147   displayed_coins = std::min(std::max(displayed_coins, 0), 9999);
00148 
00149   std::stringstream ss;
00150   ss << displayed_coins;
00151   std::string coins_text = ss.str();
00152 
00153   context.push_transform();
00154   context.set_translation(Vector(0, 0));
00155 
00156   if (coin_surface)
00157   {
00158     context.draw_surface(coin_surface, 
00159                          Vector(SCREEN_WIDTH - BORDER_X - coin_surface->get_width() - Resources::fixed_font->get_text_width(coins_text), 
00160                                 BORDER_Y + 1 + (Resources::fixed_font->get_text_height(coins_text) + 5) * player_id),
00161                          LAYER_HUD);
00162   }
00163   context.draw_text(Resources::fixed_font, 
00164                     coins_text, 
00165                     Vector(SCREEN_WIDTH - BORDER_X - Resources::fixed_font->get_text_width(coins_text),
00166                            BORDER_Y + (Resources::fixed_font->get_text_height(coins_text) + 5) * player_id),
00167                     ALIGN_LEFT,
00168                     LAYER_HUD,
00169                     PlayerStatus::text_color);
00170 
00171   context.pop_transform();
00172 }
00173 
00174 /* EOF */

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