fade out console
[supertux.git] / src / textscroller.cpp
index 20d900c..2c7139d 100644 (file)
 //  02111-1307, USA.
 #include <config.h>
 
-#include "textscroller.h"
+#include "textscroller.hpp"
 
 #include <stdexcept>
-#include "resources.h"
-#include "video/font.h"
-#include "video/drawing_context.h"
-#include "lisp/parser.h"
-#include "lisp/lisp.h"
-#include "main.h"
-#include "control/joystickkeyboardcontroller.h"
-
-static const float DEFAULT_SPEED = .02;
+#include "log.hpp"
+#include "mainloop.hpp"
+#include "resources.hpp"
+#include "video/font.hpp"
+#include "video/drawing_context.hpp"
+#include "video/surface.hpp"
+#include "video/screen.hpp"
+#include "gui/menu.hpp"
+#include "lisp/parser.hpp"
+#include "lisp/lisp.hpp"
+#include "audio/sound_manager.hpp"
+#include "main.hpp"
+#include "control/joystickkeyboardcontroller.hpp"
+
+static const float DEFAULT_SPEED = 20;
+static const float LEFT_BORDER = 50;
 static const float SCROLL = 60;
 static const float ITEMS_SPACE = 4;
 
@@ -53,18 +60,13 @@ static void split_text(const std::string& text, std::vector<std::string>& lines)
   }
 }
 
-void display_text_file(const std::string& filename)
+TextScroller::TextScroller(const std::string& filename)
 {
-  const Font* heading_font = white_big_text;
-  const Font* normal_font = white_text;
-  const Font* small_font = white_small_text;
-  const Font* reference_font = blue_text;
-  float defaultspeed = DEFAULT_SPEED;
-  float speed = defaultspeed;
+  defaultspeed = DEFAULT_SPEED;
+  speed = defaultspeed;
   
   std::string text;
   std::string background_file;
-  std::vector<std::string> lines;
 
   lisp::Parser parser;
   try {
@@ -78,121 +80,169 @@ void display_text_file(const std::string& filename)
       throw std::runtime_error("file doesn't contain a text field");
     if(!text_lisp->get("background", background_file))
       throw std::runtime_error("file doesn't contain a background file");
-    if(text_lisp->get("speed", defaultspeed))
-      defaultspeed /= 50;
+    text_lisp->get("speed", defaultspeed);
+    text_lisp->get("music", music);
   } catch(std::exception& e) {
-    std::cerr << "Couldn't load file '" << filename << "': " << e.what() <<
-      "\n";
-    return;
+    std::ostringstream msg;
+    msg << "Couldn't load file '" << filename << "': " << e.what() << std::endl;
+    throw std::runtime_error(msg.str());
   }
 
   // Split text string lines into a vector
   split_text(text, lines);
 
-  // load background image
-  Surface* background 
-    = new Surface("images/background/" + background_file, false);
-
-  bool done = false;
-  float scroll = 0;
-  float left_border = 50;
-
-  DrawingContext context;
-  SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
-
-  Uint32 lastticks = SDL_GetTicks();
-  while(!done) {
-    main_controller->update();
-    /* in case of input, exit */
-    SDL_Event event;
-    while(SDL_PollEvent(&event)) {
-      main_controller->process_event(event);
-      if(event.type == SDL_QUIT)
-        throw std::runtime_error("received window close");
+  for(size_t i = 0; i < lines.size(); ++i) {
+    const std::string& line = lines[i];
+    if(line.size() == 0)
+      continue;
+    if(line[0] == '!') {
+      std::string imagename = line.substr(1, line.size()-1);
+      images.insert(std::make_pair(imagename, new Surface(imagename)));
     }
+  }
 
-    if(main_controller->hold(Controller::UP)) {
-      speed = -defaultspeed*5;
-    } else if(main_controller->hold(Controller::DOWN)) {
-      speed = defaultspeed*5;
-    } else {
-      speed = defaultspeed;
-    }
-    if(main_controller->pressed(Controller::JUMP)
-       || main_controller->pressed(Controller::ACTION)
-       || main_controller->pressed(Controller::MENU_SELECT))
-      scroll += SCROLL;    
-    if(main_controller->pressed(Controller::PAUSE_MENU))
-      done = true;
+  // load background image
+  background.reset(new Surface("images/background/" + background_file));
+
+  scroll = 0;
+}
+
+TextScroller::~TextScroller()
+{
+  for(std::map<std::string, Surface*>::iterator i = images.begin();
+      i != images.end(); ++i)
+    delete i->second; 
+}
+
+void
+TextScroller::setup()
+{
+  sound_manager->play_music(music);
+  Menu::set_current(NULL);
+}
+
+void
+TextScroller::update(float elapsed_time)
+{
+  if(main_controller->hold(Controller::UP)) {
+    speed = -defaultspeed*5;
+  } else if(main_controller->hold(Controller::DOWN)) {
+    speed = defaultspeed*5;
+  } else {
+    speed = defaultspeed;
+  }
+  if(main_controller->pressed(Controller::JUMP)
+      || main_controller->pressed(Controller::ACTION)
+      || main_controller->pressed(Controller::MENU_SELECT))
+    scroll += SCROLL;    
+  if(main_controller->pressed(Controller::PAUSE_MENU)) {
+    fadeout(500);
+    main_loop->exit_screen();
+  }
+
+  scroll += speed * elapsed_time;
     
-    /* draw the credits */
-    context.draw_surface(background, Vector(0,0), 0);
-
-    float y = 0;
-    for(size_t i = 0; i < lines.size(); i++) {
-      const std::string& line = lines[i];
-      if(line.size() == 0) {
-        y += normal_font->get_height() + ITEMS_SPACE;
-        continue;
-      }
-      
-      const Font* font = 0;
-      bool center = true;
-      switch(line[0])
-      {
-        case ' ': font = small_font; break;
-        case '\t': font = normal_font; break;
-        case '-': font = heading_font; break;
-        case '*': font = reference_font; break;
-        case '#': font = normal_font; center = false; break;
-        default:
-          std::cerr << "Warning: text contains an unformated line.\n";
-          font = normal_font;
-          center = false;
-          break;
-      }
+  if(scroll < 0)
+    scroll = 0;
+}
+
+void
+TextScroller::draw(DrawingContext& context)
+{
+  context.draw_surface(background.get(), Vector(0,0), 0);
+
+  float y = SCREEN_HEIGHT - scroll;
+  for(size_t i = 0; i < lines.size(); i++) {
+    const std::string& line = lines[i];
+    if(line.size() == 0) {
+      y += white_text->get_height() + ITEMS_SPACE;
+      continue;
+    }
       
+    const Font* font = 0;
+    const Surface* image = 0;
+    bool center = true;
+    switch(line[0])
+    {
+      case ' ': font = white_small_text; break;
+      case '\t': font = white_text; break;
+      case '-': font = white_big_text; break;
+      case '*': font = blue_text; break;
+      case '#': font = white_text; center = false; break;
+      case '!': {
+                  std::string imagename = line.substr(1, line.size()-1);
+                  image = images[imagename];
+                  break;
+                }
+      default:
+                log_warning << "text contains an unformated line" << std::endl;
+                font = white_text;
+                center = false;
+                break;
+    }
+    
+    if(font != 0) {
       if(center) {
         context.draw_text(font,
-                          line.substr(1, line.size()-1),
-                          Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT + y - scroll),
-                          CENTER_ALLIGN, LAYER_FOREGROUND1);
+            line.substr(1, line.size()-1),
+            Vector(SCREEN_WIDTH/2, y),
+            CENTER_ALLIGN, LAYER_FOREGROUND1);
       } else {
         context.draw_text(font,
-                          line.substr(1, line.size()-1),
-                          Vector(left_border, SCREEN_HEIGHT + y - scroll),
-                          LEFT_ALLIGN, LAYER_FOREGROUND1);
+            line.substr(1, line.size()-1),
+            Vector(LEFT_BORDER, y),
+            LEFT_ALLIGN, LAYER_FOREGROUND1);
       }
-      
       y += font->get_height() + ITEMS_SPACE;
     }
-    
-    context.do_drawing();
-    
-    if(SCREEN_HEIGHT+y-scroll < 0 && 20+SCREEN_HEIGHT+y-scroll < 0)
-      done = 1;
-    
-    Uint32 ticks = SDL_GetTicks();
-    scroll += speed * (ticks - lastticks);
-    lastticks = ticks;
-    if(scroll < 0)
-      scroll = 0;
-    
-    SDL_Delay(10);
+    if(image != 0) {
+      context.draw_surface(image,
+          Vector( (SCREEN_WIDTH - image->get_width()) / 2, y), 255);
+      y += image->get_height() + ITEMS_SPACE;
+    }
+  }
+
+  if(y < 0) {
+    fadeout(500); 
+    main_loop->exit_screen();
   }
-  
-  SDL_EnableKeyRepeat(0, 0);    // disables key repeating
-  delete background;
 }
 
 InfoBox::InfoBox(const std::string& text)
   : firstline(0)
 {
   split_text(text, lines);
+
+  for(size_t i = 0; i < lines.size(); ++i) {
+    if(lines[i].size() == 0)
+      continue;
+    if(lines[i][0] == '!') {
+      std::string imagename = lines[i].substr(1, lines[i].size()-1);
+      images.insert(std::make_pair(imagename, new Surface(imagename)));
+    }
+  }
+
+  try
+  {
+    // get the arrow sprites
+    arrow_scrollup   = new Surface("images/engine/menu/scroll-up.png");
+    arrow_scrolldown = new Surface("images/engine/menu/scroll-down.png");
+  }
+  catch (std::exception& e)
+  {
+    log_warning << "Could not load scrolling images: " << e.what() << std::endl;
+    arrow_scrollup = 0;
+    arrow_scrolldown = 0;
+  }
 }
 
 InfoBox::~InfoBox()
 {
+  for(std::map<std::string, Surface*>::iterator i = images.begin();
+    i != images.end(); ++i)
+    delete i->second;
+  delete arrow_scrollup;
+  delete arrow_scrolldown;
 }
 
 void
@@ -202,14 +252,14 @@ InfoBox::draw(DrawingContext& context)
   const Font* normal_font = white_text;
   const Font* small_font = white_small_text;
   const Font* reference_font = blue_text;
-  
+
   float x1 = 200;
   float y1 = 100;
   float width = 400;
   float height = 200;
-  
+
   context.draw_filled_rect(Vector(x1, y1), Vector(width, height),
-      Color(150, 180, 200, 125), LAYER_GUI-1);
+      Color(0.6f, 0.7f, 0.8f, 0.5f), LAYER_GUI-1);
 
   float y = y1;
   for(size_t i = firstline; i < lines.size(); ++i) {
@@ -223,6 +273,7 @@ InfoBox::draw(DrawingContext& context)
     }
 
     const Font* font = 0;
+    const Surface* image = 0;
     bool center = true;
     switch(line[0])
     {
@@ -231,26 +282,48 @@ InfoBox::draw(DrawingContext& context)
       case '-': font = heading_font; break;
       case '*': font = reference_font; break;
       case '#': font = normal_font; center = false; break;
+      case '!': {
+        std::string imagename = line.substr(1, line.size()-1);
+        image = images[imagename];
+        break;
+      }
       default:
-        std::cerr << "Warning: text contains an unformated line.\n";
+        log_warning << "text contains an unformatted line" << std::endl;
         font = normal_font;
         center = false;
         break;
     }
-    
-    if(center) {
+
+    if(image != 0) {
+      context.draw_surface(image,
+      Vector( (SCREEN_WIDTH - image->get_width()) / 2,
+              y), LAYER_GUI);
+      y += image->get_height() + ITEMS_SPACE;
+    } else if(center) {
       context.draw_text(font,
           line.substr(1, line.size()-1),
           Vector(SCREEN_WIDTH/2, y),
           CENTER_ALLIGN, LAYER_GUI);
+      y += font->get_height() + ITEMS_SPACE;
     } else {
       context.draw_text(font,
           line.substr(1, line.size()-1),
           Vector(x1, y),
           LEFT_ALLIGN, LAYER_GUI);
+      y += font->get_height() + ITEMS_SPACE;
     }
-      
-    y += font->get_height() + ITEMS_SPACE;
+
+    // draw the scrolling arrows
+    if (arrow_scrollup && firstline > 0)
+      context.draw_surface(arrow_scrollup,
+      Vector( x1 + width  - arrow_scrollup->get_width(),  // top-right corner of box
+              y1), LAYER_GUI);
+
+    if (arrow_scrolldown && firstline < lines.size()-1)
+      context.draw_surface(arrow_scrolldown,
+      Vector( x1 + width  - arrow_scrolldown->get_width(),  // bottom-light corner of box
+              y1 + height - arrow_scrolldown->get_height()),
+              LAYER_GUI);
   }
 }