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Applied patch from Jacob Hammeken to smooth credits...

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...and added myself as developer :)
This commit is contained in:
uid67456 2004-01-23 21:54:32 +00:00
parent 1ac5dae51c
commit 657d29d04a
1 changed files with 63 additions and 27 deletions
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90
src/about.cpp
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@ -90,6 +90,8 @@ void show_about(display& disp)
text.push_back("Guillaume Duwelz-Rebert");
text.push_back("-translator");
text.push_back("-developer");
text.push_back("Isaac Clerencia");
text.push_back("-developer");
text.push_back("Jaramir");
text.push_back("-web developer");
text.push_back("Johanna Manninen (lohari)");
@ -129,44 +131,78 @@ void show_about(display& disp)
text.push_back("-artwork and graphics designer");
int startline = 0;
int timer = 0;
for(;;) {
events::pump();
int mousex, mousey;
const int mouse_flags = SDL_GetMouseState(&mousex,&mousey);
const bool left_button = mouse_flags&SDL_BUTTON_LMASK;
// the following two lines should be changed if the image of the map is changed
const int top_margin = 60; // distance from top of map image to top of scrolling text
const int bottom_margin = 40; // distance from bottom of scrolling text to bottom of map image
SDL_BlitSurface(map_image,NULL,disp.video().getSurface(),&map_rect);
update_rect(map_rect);
int offset = 0;
bool is_new_line = true;
int height = map_rect.y + 60;
int mousex, mousey;
bool left_button;
int first_line_height;
// the following rectangles define the top, middle and bottom of the background image
// the upper and lower part is later used to mask the upper and lower line of scrolling text
SDL_Rect upper_src = {0, 0, map_rect.w, top_margin};
SDL_Rect upper_dest = {map_rect.x, map_rect.y, map_rect.w, top_margin};
SDL_Rect middle_src = {0, top_margin, map_rect.w, map_rect.h - top_margin - bottom_margin};
SDL_Rect middle_dest = {map_rect.x, map_rect.y + top_margin, map_rect.w, map_rect.h - top_margin - bottom_margin};
SDL_Rect lower_src = {0, map_rect.h - bottom_margin, map_rect.w, bottom_margin};
SDL_Rect lower_dest = {map_rect.x, map_rect.y + map_rect.h - bottom_margin, map_rect.w, bottom_margin};
do {
// draw map to screen, thus erasing all text
SDL_BlitSurface(map_image,&middle_src,disp.video().getSurface(),&middle_dest);
// draw one screen full of text
const int line_spacing = 5;
int y = map_rect.y + top_margin - offset;
int line = startline;
for(int cur_line=0;cur_line<12;cur_line++)
{
if(size_t(line) > text.size()-1)
line=0;
int cur_line = 0;
do {
SDL_Rect tr = font::draw_text(&disp,disp.screen_area(),24,font::BLACK_COLOUR,
text[line], -1,height);
text[line], -1,y);
if(is_new_line) {
is_new_line = false;
first_line_height = tr.h + line_spacing;
}
line++;
height += tr.h + 5;
}
timer++;
if(timer == 20)
{
timer = 0;
if(size_t(line) > text.size()-1)
line = 0;
y += tr.h + line_spacing;
cur_line++;
} while(y<map_rect.y + map_rect.h - bottom_margin);
// performs the actual scrolling
const int scroll_speed = 2; // scroll_speed*50 = speed of scroll in pixel per second
offset += scroll_speed;
if(offset>=first_line_height) {
offset -= first_line_height;
is_new_line = true;
startline++;
}
if(size_t(startline) == text.size())
startline = 0;
if(close.process(mousex,mousey,left_button)) {
return;
if(size_t(startline) == text.size())
startline = 0;
}
// mask off the upper and lower half of the map,
// so text will scroll into view rather than
// suddenly appearing out of nowhere
SDL_BlitSurface(map_image,&upper_src,disp.video().getSurface(),&upper_dest);
SDL_BlitSurface(map_image,&lower_src,disp.video().getSurface(),&lower_dest);
// update screen and wait, so the text does not scroll too fast
update_rect(map_rect);
disp.video().flip();
SDL_Delay(20);
}
// handle events
events::pump();
left_button = SDL_GetMouseState(&mousex,&mousey)&SDL_BUTTON_LMASK;
} while(!close.process(mousex,mousey,left_button));
}