/**
* @brief Prints text on the screen.
*
* @usage gfx.print( nil, "Hello World!", 50, 50, colour.new("Red") ) -- Displays text in red at 50,50.
* @usage gfx.print( true, "Hello World!", 50, 50, col, 100 ) -- Displays text to a maximum of 100 pixels wide.
* @usage gfx.print( true, str, 50, 50, col, 100, true ) -- Displays centered text to a maximum of 100 pixels.
*
* @luaparam small Whether or not to use a small font.
* @luaparam str String to print.
* @luaparam x X position to print at.
* @luaparam y Y position to print at.
* @luaparam col Colour to print text.
* @luaparam max Optional parameter to indicate maximum width to render up to.
* @luaparam center Optional boolean parameter indicating whether or not to center it.
* @luafunc print( small, str, x, y, col, max, center )
*/
static int gfxL_print( lua_State *L )
{
glFont *font;
const char *str;
double x, y;
LuaColour *lc;
int max, mid;
/* Parse parameters. */
font = lua_toboolean(L,1) ? &gl_smallFont : &gl_defFont;
str = luaL_checkstring(L,2);
x = luaL_checknumber(L,3);
y = luaL_checknumber(L,4);
lc = luaL_checkcolour(L,5);
if (lua_gettop(L) >= 6)
max = luaL_checkinteger(L,6);
else
max = 0;
mid = lua_toboolean(L,7);
/* Render. */
if (mid)
gl_printMidRaw( font, max, x, y, &lc->col, str );
else if (max > 0)
gl_printMaxRaw( font, max, x, y, &lc->col, str );
else
gl_printRaw( font, x, y, &lc->col, str );
return 0;
}
/**
* @brief Renders a button widget.
*
* @param tab WIDGET_BUTTON widget to render.
* @param bx Base X position.
* @param by Base Y position.
*/
static void tab_render( Widget* tab, double bx, double by )
{
int i, x;
Window *wdw;
glColour *c, *lc;
/** Get window. */
wdw = window_wget( tab->dat.tab.windows[ tab->dat.tab.active ] );
if (wdw == NULL) {
WARN("Active window in widget '%s' not found in stack.", tab->name);
return;
}
/* Render the active window. */
window_render( wdw );
/* Render tabs ontop. */
x = 20;
for (i=0; i<tab->dat.tab.ntabs; i++) {
if (i!=tab->dat.tab.active) {
lc = toolkit_col;
c = toolkit_colDark;
/* Draw border. */
toolkit_drawRect( bx+x, by+0, tab->dat.tab.namelen[i] + 10,
TAB_HEIGHT, lc, c );
toolkit_drawOutline( bx+x+1, by+1, tab->dat.tab.namelen[i] + 8,
TAB_HEIGHT-1, 1., c, &cBlack );
}
else {
if (i==0)
toolkit_drawRect( bx+x-1, by+0,
1, TAB_HEIGHT+1, toolkit_colDark, &cGrey20 );
else if (i==tab->dat.tab.ntabs-1)
toolkit_drawRect( bx+x+tab->dat.tab.namelen[i]+9, by+0,
1, TAB_HEIGHT+1, toolkit_colDark, &cGrey20 );
}
/* Draw text. */
gl_printRaw( &gl_defFont, bx+x + 5 + SCREEN_W/2,
by + (TAB_HEIGHT-gl_defFont.h)/2 + SCREEN_H/2, &cBlack,
tab->dat.tab.tabnames[i] );
/* Go to next line. */
x += 10 + tab->dat.tab.namelen[i];
}
}
/**
* @brief Prints text on screen like printf.
*
* Defaults ft_font to gl_defFont if NULL.
*
* @param ft_font Font to use (NULL means gl_defFont)
* @param x X position to put text at.
* @param y Y position to put text at.
* @param c Colour to use (uses white if NULL)
* @param fmt String formatted like printf to print.
*/
void gl_print( const glFont *ft_font,
const double x, const double y,
const glColour* c, const char *fmt, ... )
{
/*float h = ft_font->h / .63;*/ /* slightly increase fontsize */
char text[256]; /* holds the string */
va_list ap;
if (fmt == NULL) return;
else { /* convert the symbols to text */
va_start(ap, fmt);
vsnprintf(text, 256, fmt, ap);
va_end(ap);
}
gl_printRaw( ft_font, x, y, c, text );
}
/**
* @brief Renders the overlay map.
*
* @param dt Current delta tick.
*/
void ovr_render( double dt )
{
(void) dt;
int i, j;
Pilot **pstk;
int n;
double w, h, res;
double x,y;
glColour c = { .r=0., .g=0., .b=0., .a=0.5 };
/* Must be open. */
if (!ovr_open)
return;
/* Player must be alive. */
if (player_isFlag( PLAYER_DESTROYED ) || (player.p == NULL))
return;
/* Default values. */
w = SCREEN_W;
h = SCREEN_H;
res = ovr_res;
/* First render the background overlay. */
gl_renderRect( 0., 0., w, h, &c );
/* Render planets. */
for (i=0; i<cur_system->nplanets; i++)
if ((cur_system->planets[ i ]->real == ASSET_REAL) && (i != player.p->nav_planet))
gui_renderPlanet( i, RADAR_RECT, w, h, res, 1 );
if (player.p->nav_planet > -1)
gui_renderPlanet( player.p->nav_planet, RADAR_RECT, w, h, res, 1 );
/* Render jump points. */
for (i=0; i<cur_system->njumps; i++)
if ((i != player.p->nav_hyperspace) && !jp_isFlag(&cur_system->jumps[i], JP_EXITONLY))
gui_renderJumpPoint( i, RADAR_RECT, w, h, res, 1 );
if (player.p->nav_hyperspace > -1)
gui_renderJumpPoint( player.p->nav_hyperspace, RADAR_RECT, w, h, res, 1 );
/* Render pilots. */
pstk = pilot_getAll( &n );
j = 0;
for (i=0; i<n; i++) {
if (pstk[i]->id == PLAYER_ID) /* Skip player. */
continue;
if (pstk[i]->id == player.p->target)
j = i;
else
gui_renderPilot( pstk[i], RADAR_RECT, w, h, res, 1 );
}
/* Render the targeted pilot */
if (j!=0)
gui_renderPilot( pstk[j], RADAR_RECT, w, h, res, 1 );
/* Check if player has goto target. */
if (player_isFlag(PLAYER_AUTONAV) && (player.autonav == AUTONAV_POS_APPROACH)) {
x = player.autonav_pos.x / res + w / 2.;
y = player.autonav_pos.y / res + h / 2.;
gl_renderCross( x, y, 5., &cRadar_hilight );
gl_printRaw( &gl_smallFont, x+10., y-gl_smallFont.h/2., &cRadar_hilight, "GOTO" );
}
/* Render the player. */
gui_renderPlayer( res, 1 );
/* Render markers. */
ovr_mrkRenderAll( res );
}
/**
* @brief Renders all the markers.
*
* @param res Resolution to render at.
*/
static void ovr_mrkRenderAll( double res )
{
int i;
ovr_marker_t *mrk;
double x, y;
if (ovr_markers == NULL)
return;
for (i=0; i<array_size(ovr_markers); i++) {
mrk = &ovr_markers[i];
x = mrk->u.pt.x / res + SCREEN_W / 2.;
y = mrk->u.pt.y / res + SCREEN_H / 2.;
gl_renderCross( x, y, 5., &cRadar_hilight );
if (mrk->text != NULL)
gl_printRaw( &gl_smallFont, x+10., y-gl_smallFont.h/2., &cRadar_hilight, mrk->text );
}
}
/**
* @brief Renders the load screen with message.
*
* @param done Amount done (1. == completed).
* @param msg Loading screen message.
*/
void loadscreen_render( double done, const char *msg )
{
glColour col;
double bx,by, bw,bh;
double x,y, w,h, rh;
/* Clear background. */
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* Draw stars. */
space_renderStars( 0. );
/*
* Dimensions.
*/
/* Image. */
bw = 512.;
bh = 512.;
bx = (SCREEN_W-bw)/2.;
by = (SCREEN_H-bh)/2.;
/* Loading bar. */
w = gl_screen.w * 0.4;
h = gl_screen.h * 0.02;
rh = h + gl_defFont.h + 4.;
x = -w/2.;
if (SCREEN_H < 768)
y = -h/2.;
else
y = -bw/2 - rh - 5.;
/* Draw loading screen image. */
if (loading != NULL)
gl_blitScale( loading, bx, by, bw, bh, NULL );
/* Draw progress bar. */
/* BG. */
col.r = cBlack.r;
col.g = cBlack.g;
col.b = cBlack.b;
col.a = 0.7;
gl_renderRect( x-2., y-2., w+4., rh+4., &col );
/* FG. */
col.r = cDConsole.r;
col.g = cDConsole.g;
col.b = cDConsole.b;
col.a = 0.2;
gl_renderRect( x+done*w, y, (1.-done)*w, h, &col );
col.r = cConsole.r;
col.g = cConsole.g;
col.b = cConsole.b;
col.a = 0.7;
gl_renderRect( x, y, done*w, h, &col );
/* Draw text. */
gl_printRaw( &gl_defFont, x + gl_screen.w/2., y + gl_screen.h/2 + 2. + h,
&cConsole, msg );
/* Flip buffers. */
SDL_GL_SwapBuffers();
}
