// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
+#include <config.h>
+
#include <cstdlib>
#include <cstring>
+#include <stdexcept>
-#include "../app/globals.h"
-#include "../video/screen.h"
-#include "../video/font.h"
-#include "../video/drawing_context.h"
-#include "../utils/lispreader.h"
+#include "app/globals.h"
+#include "lisp/parser.h"
+#include "lisp/lisp.h"
+#include "screen.h"
+#include "font.h"
+#include "drawing_context.h"
using namespace SuperTux;
Font::get_text_width(const std::string& text) const
{
/** Let's calculate the size of the biggest paragraph */
- std::string::size_type l, hl;
- hl = 0; l = -1;
+ std::string::size_type l, hl, ol;
+ hl = 0; l = 0;
while(true)
{
+ ol = l;
l = text.find("\n", l+1);
if(l == std::string::npos)
break;
- if(hl < l)
- hl = l;
+ if(hl < l-ol)
+ hl = l-ol;
}
if(hl == 0)
hl = text.size();
{
/** Let's calculate height of the text */
std::string::size_type l, hh;
- hh = h; l = -1;
+ hh = h; l = 0;
while(true)
{
l = text.find("\n", l+1);
- if(l == (int)std::string::npos)
+ if(l == std::string::npos)
break;
hh += h + 2;
}
void
Font::draw(const std::string& text, const Vector& pos_, int allignment, Uint32 drawing_effect, int alpha)
{
- // calculate X positions based on the allignment type
- Vector pos = Vector(pos_);
- if(allignment == CENTER_ALLIGN)
- pos.x -= get_text_width(text) / 2;
- else if(allignment == RIGHT_ALLIGN)
- pos.x -= get_text_width(text);
-
/* Cut lines changes into seperate strings, needed to support center/right text
allignments with break lines.
Feel free to replace this hack with a more elegant solution
*/
char temp[1024];
std::string::size_type l, i, y;
+ bool done = false;
i = y = 0;
- while(true)
+ while(!done)
{
l = text.find("\n", i);
if(l == std::string::npos)
{
- temp[text.copy(temp, text.size() - i, i)] = '\0';
- draw_text(temp, pos + Vector(0,y), drawing_effect, alpha);
- break;
+ l = text.size();
+ done = true;
}
+
temp[text.copy(temp, l - i, i)] = '\0';
+
+ // calculate X positions based on the allignment type
+ Vector pos = Vector(pos_);
+ if(allignment == CENTER_ALLIGN)
+ pos.x -= get_text_width(temp) / 2;
+ else if(allignment == RIGHT_ALLIGN)
+ pos.x -= get_text_width(temp);
+
draw_text(temp, pos + Vector(0,y), drawing_effect, alpha);
i = l+1;
#define SCROLL 60
#define ITEMS_SPACE 4
-void SuperTux::display_text_file(const std::string& file, float scroll_speed, Font* heading_font, Font* normal_font, Font* small_font, Font* reference_font )
+void SuperTux::display_text_file(const std::string& file, float scroll_speed,
+ Font* heading_font, Font* normal_font, Font* small_font,
+ Font* reference_font)
{
std::string text;
+ std::string background_file;
std::vector<std::string> names;
- LispReader* reader = LispReader::load(datadir + "/" + file, "supertux-text");
+ std::string filename = datadir + "/" + file;
+ lisp::Parser parser;
+ try {
+ std::auto_ptr<lisp::Lisp> root (parser.parse(filename));
- if(!reader)
- {
- std::cerr << "Error: Could not open text. Ignoring...\n";
+ 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))
+ throw std::runtime_error("file doesn't contain a background file");
+ } catch(std::exception& e) {
+ std::cerr << "Couldn't load file '" << filename << "': " << e.what() <<
+ "\n";
return;
- }
-
- reader->read_string("text", text, true);
- std::string background_file;
- reader->read_string("background", background_file, true);
- delete reader;
+ }
// Split text string lines into a vector
names.clear();
int done = 0;
float scroll = 0;
float speed = scroll_speed / 50;
+ float left_border = 50;
DrawingContext context;
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
}
Font* font = 0;
+ bool center = true;
switch(names[i][0])
{
case ' ': font = small_font; break;
case '\t': font = normal_font; break;
case '-': font = heading_font; break;
case '*': font = reference_font; break;
- default: font = reference_font; break;
+ case '#': font = normal_font; center = false; break;
+ default:
+ break;
}
-
- context.draw_text(font,
- names[i].substr(1, names[i].size()-1),
- Vector(screen->w/2, screen->h + y - scroll), CENTER_ALLIGN, LAYER_FOREGROUND1);
+
+ if(font) {
+ if(center) {
+ context.draw_text(font,
+ names[i].substr(1, names[i].size()-1),
+ Vector(screen->w/2, screen->h + y - scroll),
+ CENTER_ALLIGN, LAYER_FOREGROUND1);
+ } else {
+ context.draw_text(font,
+ names[i].substr(1, names[i].size()-1),
+ Vector(left_border, screen->h + y - scroll),
+ LEFT_ALLIGN, LAYER_FOREGROUND1);
+ }
+ }
+
y += font->get_height() + ITEMS_SPACE;
}
projects / supertux.git / blobdiff