// $Id$
-//
+//
// SuperTux
-// Copyright (C) 2005 Matthias Braun <matze@braunis.de>
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-//
+//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
#include "textscroller.hpp"
#include <stdexcept>
-#include "msg.hpp"
+#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 "fadeout.hpp"
#include "control/joystickkeyboardcontroller.hpp"
-#include "exceptions.hpp"
static const float DEFAULT_SPEED = 20;
static const float LEFT_BORDER = 50;
static const float SCROLL = 60;
static const float ITEMS_SPACE = 4;
-static void split_text(const std::string& text, std::vector<std::string>& lines)
-{
- // Split text string lines into a vector
- lines.clear();
- std::string::size_type i, l;
- i = 0;
- while(true) {
- l = text.find("\n", i);
-
- if(l == std::string::npos) {
- lines.push_back(text.substr(i, text.size()-i));
- break;
- }
-
- lines.push_back(text.substr(i, l-i));
- i = l+1;
- }
-}
-
TextScroller::TextScroller(const std::string& filename)
{
defaultspeed = DEFAULT_SPEED;
speed = defaultspeed;
-
+
std::string text;
std::string background_file;
const lisp::Lisp* text_lisp = root->get_lisp("supertux-text");
if(!text_lisp)
throw std::runtime_error("File isn't a supertux-text file");
-
+
if(!text_lisp->get("text", text))
throw std::runtime_error("file doesn't contain a text field");
if(!text_lisp->get("background", background_file))
text_lisp->get("speed", defaultspeed);
text_lisp->get("music", music);
} catch(std::exception& e) {
- msg_warning << "Couldn't load file '" << filename << "': " << e.what() << std::endl;
- 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);
-
- 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)));
- }
- }
+ lines = InfoBoxLine::split(text, 40);
// load background image
background.reset(new Surface("images/background/" + background_file));
scroll = 0;
+ fading = false;
}
TextScroller::~TextScroller()
{
- for(std::map<std::string, Surface*>::iterator i = images.begin();
- i != images.end(); ++i)
- delete i->second;
+ for(std::vector<InfoBoxLine*>::iterator i = lines.begin(); i != lines.end(); i++) delete *i;
}
void
if(main_controller->pressed(Controller::JUMP)
|| main_controller->pressed(Controller::ACTION)
|| main_controller->pressed(Controller::MENU_SELECT))
- scroll += SCROLL;
+ scroll += SCROLL;
if(main_controller->pressed(Controller::PAUSE_MENU)) {
- fadeout(500);
- main_loop->exit_screen();
+ main_loop->exit_screen(new FadeOut(0.5));
}
scroll += speed * elapsed_time;
-
+
if(scroll < 0)
scroll = 0;
}
void
TextScroller::draw(DrawingContext& context)
{
- context.draw_surface(background.get(), Vector(0,0), 0);
+ context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
+ Color(0.6f, 0.7f, 0.8f, 0.5f), 0);
+ context.draw_surface(background.get(), Vector(SCREEN_WIDTH/2 - background->get_width()/2 , SCREEN_HEIGHT/2 - background->get_height()/2), 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:
- msg_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, y),
- CENTER_ALLIGN, LAYER_FOREGROUND1);
- } else {
- context.draw_text(font,
- line.substr(1, line.size()-1),
- Vector(LEFT_BORDER, y),
- LEFT_ALLIGN, LAYER_FOREGROUND1);
- }
- y += font->get_height() + ITEMS_SPACE;
- }
- if(image != 0) {
- context.draw_surface(image,
- Vector( (SCREEN_WIDTH - image->get_width()) / 2, y), 255);
- y += image->get_height() + ITEMS_SPACE;
- }
+ lines[i]->draw(context, Vector(LEFT_BORDER, y), LAYER_GUI);
+ y += lines[i]->get_height();
}
- if(y < 0) {
- fadeout(500);
- main_loop->exit_screen();
+ if(y < 0 && !fading ) {
+ fading = true;
+ main_loop->exit_screen(new FadeOut(0.5));
}
}
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)));
- }
- }
+ // Split text string lines into a vector
+ lines = InfoBoxLine::split(text, 23);
try
{
}
catch (std::exception& e)
{
- msg_warning << "Could not load scrolling images: " << e.what() << std::endl;
+ 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;
+ for(std::vector<InfoBoxLine*>::iterator i = lines.begin();
+ i != lines.end(); i++)
+ delete *i;
delete arrow_scrollup;
delete arrow_scrolldown;
}
void
InfoBox::draw(DrawingContext& context)
{
- 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 x1 = 200;
- float y1 = 100;
+ float x1 = SCREEN_WIDTH/2-200;
+ float y1 = SCREEN_HEIGHT/2-200;
float width = 400;
float height = 200;
float y = y1;
for(size_t i = firstline; i < lines.size(); ++i) {
- const std::string& line = lines[i];
- if(y >= y1 + height)
- break;
-
- if(line.size() == 0) {
- y += normal_font->get_height() + ITEMS_SPACE;
- continue;
- }
-
- const Font* font = 0;
- const Surface* image = 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;
- case '!': {
- std::string imagename = line.substr(1, line.size()-1);
- image = images[imagename];
- break;
- }
- default:
- msg_warning << "text contains an unformatted line" << std::endl;
- font = normal_font;
- center = false;
- break;
- }
+ if(y >= y1 + height) break;
- 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;
- }
+ lines[i]->draw(context, Vector(x1, y), LAYER_GUI);
+ y += lines[i]->get_height();
// draw the scrolling arrows
if (arrow_scrollup && firstline > 0)
{
}
+InfoBoxLine::InfoBoxLine(char format_char, const std::string& text) : lineType(NORMAL), font(white_text), text(text), image(0)
+{
+ switch(format_char)
+ {
+ case ' ':
+ lineType = SMALL;
+ font = white_small_text;
+ break;
+ case '\t':
+ lineType = NORMAL;
+ font = white_text;
+ break;
+ case '-':
+ lineType = HEADING;
+ font = white_big_text;
+ break;
+ case '*':
+ lineType = REFERENCE;
+ font = blue_text;
+ break;
+ case '#':
+ lineType = NORMAL_LEFT;
+ font = white_text;
+ break;
+ case '!':
+ lineType = IMAGE;
+ image = new Surface(text);
+ break;
+ default:
+ log_warning << "Unknown format_char: '" << format_char << "'" << std::endl;
+ break;
+ }
+}
+
+InfoBoxLine::~InfoBoxLine()
+{
+ delete image;
+}
+
+const std::vector<InfoBoxLine*>
+InfoBoxLine::split(const std::string& text, int line_length)
+{
+ std::vector<InfoBoxLine*> lines;
+
+ std::string::size_type i = 0;
+ std::string::size_type l;
+ char format_char = '#';
+ while(i < text.size()) {
+ // take care of empty lines - represent them as blank lines of normal text
+ if (text[i] == '\n') {
+ lines.push_back(new InfoBoxLine('\t', ""));
+ i++;
+ continue;
+ }
+
+ // extract the format_char
+ format_char = text[i];
+ i++;
+ if (i >= text.size()) break;
+
+ // extract one line
+ l = text.find("\n", i);
+ if (l == std::string::npos) l=text.size();
+ std::string s = text.substr(i, l-i);
+ i = l+1;
+
+ // if we are dealing with an image, just store the line
+ if (format_char == '!') {
+ lines.push_back(new InfoBoxLine(format_char, s));
+ continue;
+ }
+
+ // append wrapped parts of line into list
+ std::string overflow;
+ do {
+ lines.push_back(new InfoBoxLine(format_char, Font::wrap_to_chars(s, line_length, &overflow)));
+ s = overflow;
+ } while (s.length() > 0);
+
+ }
+
+ return lines;
+}
+
+void
+InfoBoxLine::draw(DrawingContext& context, const Vector& position, int layer)
+{
+ switch (lineType) {
+ case IMAGE:
+ context.draw_surface(image, Vector( (SCREEN_WIDTH - image->get_width()) / 2, position.y), layer);
+ break;
+ case NORMAL_LEFT:
+ context.draw_text(font, text, Vector(position.x, position.y), LEFT_ALLIGN, layer);
+ break;
+ default:
+ context.draw_text(font, text, Vector(SCREEN_WIDTH/2, position.y), CENTER_ALLIGN, layer);
+ break;
+ }
+}
+
+float
+InfoBoxLine::get_height()
+{
+ switch (lineType) {
+ case IMAGE:
+ return image->get_height() + ITEMS_SPACE;
+ case NORMAL_LEFT:
+ return font->get_height() + ITEMS_SPACE;
+ default:
+ return font->get_height() + ITEMS_SPACE;
+ }
+}