static const float SCROLL = 60;
static const float ITEMS_SPACE = 4;
-
-
TextScroller::TextScroller(const std::string& filename)
{
defaultspeed = DEFAULT_SPEED;
speed = defaultspeed;
-
+
std::string text;
std::string background_file;
lisp::Parser parser;
try {
- std::auto_ptr<lisp::Lisp> root (parser.parse(filename));
+ const lisp::Lisp* root = parser.parse(filename);
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))
}
// Split text string lines into a vector
- lines = InfoBoxLine::split(text, 40);
+ lines = InfoBoxLine::split(text, SCREEN_WIDTH - 2*LEFT_BORDER);
// load background image
background.reset(new Surface("images/background/" + background_file));
scroll = 0;
+ fading = false;
}
TextScroller::~TextScroller()
TextScroller::setup()
{
sound_manager->play_music(music);
- Menu::set_current(NULL);
}
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)) {
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++) {
- lines[i]->draw(context, Vector(LEFT_BORDER, y), LAYER_GUI);
+ if (y + lines[i]->get_height() >= 0 && SCREEN_HEIGHT - y >= 0) {
+ lines[i]->draw(context, Rect(LEFT_BORDER, y, SCREEN_WIDTH - 2*LEFT_BORDER, y), LAYER_GUI);
+ }
+
y += lines[i]->get_height();
}
- if(y < 0) {
+ if(y < 0 && !fading ) {
+ fading = true;
main_loop->exit_screen(new FadeOut(0.5));
}
}
: firstline(0)
{
// Split text string lines into a vector
- lines = InfoBoxLine::split(text, 23);
+ lines = InfoBoxLine::split(text, 400);
try
{
InfoBox::~InfoBox()
{
- for(std::vector<InfoBoxLine*>::iterator i = lines.begin(); i != lines.end(); i++) delete *i;
+ 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)
{
- float x1 = 200;
- float y1 = 100;
+ float x1 = SCREEN_WIDTH/2-200;
+ float y1 = SCREEN_HEIGHT/2-200;
float width = 400;
float height = 200;
Color(0.6f, 0.7f, 0.8f, 0.5f), LAYER_GUI-1);
float y = y1;
+ bool linesLeft = false;
for(size_t i = firstline; i < lines.size(); ++i) {
- if(y >= y1 + height) break;
+ if(y >= y1 + height) {
+ linesLeft = true;
+ break;
+ }
- lines[i]->draw(context, Vector(x1, y), LAYER_GUI);
+ lines[i]->draw(context, Rect(x1, y, x1+width, y), LAYER_GUI);
y += lines[i]->get_height();
+ }
+ {
// 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)
+ if (arrow_scrolldown && linesLeft && 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()),
{
}
-InfoBoxLine::InfoBoxLine(char format_char, const std::string& text) : lineType(NORMAL), font(white_text), text(text), image(0)
-{
+namespace {
+Font* get_font_by_format_char(char format_char) {
switch(format_char)
{
- case ' ':
- lineType = SMALL;
- font = white_small_text;
+ case ' ':
+ return small_font;
+ break;
+ case '-':
+ return big_font;
break;
- case '\t':
- lineType = NORMAL;
- font = white_text;
+ case '\t':
+ case '*':
+ case '#':
+ case '!':
+ return normal_font;
break;
- case '-':
- lineType = HEADING;
- font = white_big_text;
+ default:
+ return normal_font;
+ log_warning << "Unknown format_char: '" << format_char << "'" << std::endl;
break;
- case '*':
- lineType = REFERENCE;
- font = blue_text;
+ }
+}
+
+Color get_color_by_format_char(char format_char) {
+ switch(format_char)
+ {
+ case ' ':
+ return TextScroller::small_color;
break;
- case '#':
- lineType = NORMAL_LEFT;
- font = white_text;
+ case '-':
+ return TextScroller::heading_color;
break;
- case '!':
- lineType = IMAGE;
- image = new Surface(text);
+ case '*':
+ return TextScroller::reference_color;
+ case '\t':
+ case '#':
+ case '!':
+ return TextScroller::normal_color;
break;
default:
+ return Color(0,0,0);
log_warning << "Unknown format_char: '" << format_char << "'" << std::endl;
break;
}
}
+InfoBoxLine::LineType get_linetype_by_format_char(char format_char) {
+ switch(format_char)
+ {
+ case ' ':
+ return InfoBoxLine::SMALL;
+ break;
+ case '\t':
+ return InfoBoxLine::NORMAL;
+ break;
+ case '-':
+ return InfoBoxLine::HEADING;
+ break;
+ case '*':
+ return InfoBoxLine::REFERENCE;
+ break;
+ case '#':
+ return InfoBoxLine::NORMAL_LEFT;
+ break;
+ case '!':
+ return InfoBoxLine::IMAGE;
+ break;
+ default:
+ return InfoBoxLine::SMALL;
+ log_warning << "Unknown format_char: '" << format_char << "'" << std::endl;
+ break;
+ }
+}
+}
+
+InfoBoxLine::InfoBoxLine(char format_char, const std::string& text) : lineType(NORMAL), font(normal_font), text(text), image(0)
+{
+ font = get_font_by_format_char(format_char);
+ lineType = get_linetype_by_format_char(format_char);
+ color = get_color_by_format_char(format_char);
+ if (lineType == IMAGE) image = new Surface(text);
+}
+
InfoBoxLine::~InfoBoxLine()
{
delete image;
}
-const std::vector<InfoBoxLine*>
-InfoBoxLine::split(const std::string& text, int line_length)
+const std::vector<InfoBoxLine*>
+InfoBoxLine::split(const std::string& text, float width)
{
std::vector<InfoBoxLine*> lines;
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;
if (format_char == '!') {
lines.push_back(new InfoBoxLine(format_char, s));
continue;
- }
-
- // if we are dealing with text, wrap long lines
- while ((int)s.length() > line_length) {
- int split_at = line_length;
- while ((split_at > 0) && (s[split_at] != ' ')) split_at--;
- if (split_at == 0) split_at = line_length;
-
- lines.push_back(new InfoBoxLine(format_char, s.substr(0, split_at)));
- if (s[split_at] == ' ') split_at++;
- s = s.substr(split_at);
}
- lines.push_back(new InfoBoxLine(format_char, s));
+ // append wrapped parts of line into list
+ std::string overflow;
+ do {
+ Font* font = get_font_by_format_char(format_char);
+ std::string s2 = s;
+ if (font) s2 = font->wrap_to_width(s2, width, &overflow);
+ lines.push_back(new InfoBoxLine(format_char, s2));
+ s = overflow;
+ } while (s.length() > 0);
}
return lines;
}
-void
-InfoBoxLine::draw(DrawingContext& context, const Vector& position, int layer)
+void
+InfoBoxLine::draw(DrawingContext& context, const Rect& bbox, int layer)
{
+ Vector position = bbox.p1;
switch (lineType) {
- case SPACER:
case IMAGE:
- context.draw_surface(image, Vector( (SCREEN_WIDTH - image->get_width()) / 2, position.y), layer);
+ context.draw_surface(image, Vector( (bbox.p1.x + bbox.p2.x - image->get_width()) / 2, position.y), layer);
break;
case NORMAL_LEFT:
- context.draw_text(font, text, Vector(position.x, position.y), LEFT_ALLIGN, layer);
+ context.draw_text(font, text, Vector(position.x, position.y), ALIGN_LEFT, layer, color);
break;
- default:
- context.draw_text(font, text, Vector(SCREEN_WIDTH/2, position.y), CENTER_ALLIGN, layer);
+ default:
+ context.draw_text(font, text, Vector((bbox.p1.x + bbox.p2.x) / 2, position.y), ALIGN_CENTER, layer, color);
break;
}
}
InfoBoxLine::get_height()
{
switch (lineType) {
- case SPACER:
- return font->get_height() + ITEMS_SPACE;
case IMAGE:
return image->get_height() + ITEMS_SPACE;
case NORMAL_LEFT:
return font->get_height() + ITEMS_SPACE;
- default:
+ default:
return font->get_height() + ITEMS_SPACE;
}
}
-
projects / supertux.git / blobdiff