void con_render(renderer_t r)
{
unsigned int width, height;
if ( NULL == con_default )
return;
renderer_size(r, &width, &height);
if ( CONSOLE_HIDDEN == con_default->state) {
/* todo: draw the "last 4 lines" */
} else {
float pitchx, pitchy;
int i, offs, cursor_screen_offs;
font_get_pitch(con_default->font, &pitchx, &pitchy);
int const num_lines = con_display_lines;
int const visible_height = pitchy * (num_lines + 1);
int const border_top = height - visible_height - 5;
if (con_default->conback) {
glEnable(GL_TEXTURE_2D);
texture_bind(con_default->conback);
/* try toggling disabling blend - looks nice in different ways in each setting */
/* glDisable(GL_BLEND); */
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glBegin(GL_QUADS);
glColor4f(1,1,1,1);
glTexCoord2f(0, 0); glVertex2i(0, border_top);
glTexCoord2f(1, 0); glVertex2i(width, border_top);
glTexCoord2f(1, 1); glVertex2i(width, height);
glTexCoord2f(0, 1); glVertex2i(0, height);
glEnd();
glEnable(GL_BLEND);
} else {
glDisable(GL_TEXTURE_2D);
glBegin(GL_QUADS);
glColor4f(0, 1.f, 0, 0.f);
glVertex2i(0, border_top);
glVertex2i(width, border_top);
glVertex2i(width, height);
glVertex2i(0, height);
glEnd();
glEnable(GL_TEXTURE_2D);
}
offs = (con_default->lines_size % CONSOLE_MAX_LINES) - num_lines;
for(i = 0; i < num_lines; i++, offs++) {
if (offs < 0 && con_default->lines_size < CONSOLE_MAX_LINES) {
/* well, this line hasn't actually been typed, so do nothing. */
} else {
if (offs < 0) offs += CONSOLE_MAX_LINES;
font_print(con_default->font, 0, border_top + i * pitchy, con_default->lines[offs % CONSOLE_MAX_LINES]);
}
}
/* offset the input line if it's wider than the screen can show. we also keep a buffer of 3 characters at the "other side" of it, so that inplace editing is a bit more sensible. */
/* todo: blatantly should be able to move the character "within" the buffer within a current line when offset, and only scroll when at the left- or right- edges. */
/* should probably do this with a "current line display window" type concept. */
offs = 0;
cursor_screen_offs = con_default->cursor_offs;
if (pitchx * con_default->cursor_offs > width) {
offs = con_default->cursor_offs - (width / pitchx) + 3;
offs = offs < 0 ? 0 : offs;
cursor_screen_offs = (width / pitchx) - 3;
}
font_print(con_default->font, 0, height - pitchy, &con_default->input_line[offs]);
/* flashing cursor */
if (SDL_GetTicks() % 1000 < 500) {
glBegin(GL_QUADS);
glColor4f(1,1,1,1);
glVertex2i(cursor_screen_offs * pitchx, height);
glVertex2i(cursor_screen_offs * pitchx + pitchx, height);
glVertex2i(cursor_screen_offs * pitchx + pitchx, height - 2);
glVertex2i(cursor_screen_offs * pitchx, height - 2);
glEnd();
}
}
}
static void get_screen_centre(renderer_t r, float h, vec3_t out)
{
unsigned int x, y;
renderer_size(r, &x, &y);
renderer_unproject(r, out, x / 2, y / 2, h);
}
