/**
* @brief Renders the custom map widget.
*
* @param bx Base X position to render at.
* @param by Base Y position to render at.
* @param w Width of the widget.
* @param h Height of the widget.
*/
static void map_render( double bx, double by, double w, double h, void *data )
{
(void) data;
int i,j, n,m;
double x,y,r, tx,ty, fuel;
StarSystem *sys, *jsys, *hsys, *lsys;
glColour *col, c;
GLfloat vertex[8*(2+4)];
int sw, sh;
/* Parameters. */
r = round(CLAMP(5., 15., 6.*map_zoom));
x = round((bx - map_xpos + w/2) * 1.);
y = round((by - map_ypos + h/2) * 1.);
/* background */
gl_renderRect( bx, by, w, h, &cBlack );
/*
* First pass renders everything almost (except names and markers).
*/
for (i=0; i<systems_nstack; i++) {
sys = system_getIndex( i );
/* check to make sure system is known or adjacent to known (or marked) */
if (!sys_isFlag(sys, SYSTEM_MARKED | SYSTEM_CMARKED)
&& !space_sysReachable(sys))
continue;
tx = x + sys->pos.x*map_zoom;
ty = y + sys->pos.y*map_zoom;
/* draws the disk representing the faction */
if (sys_isKnown(sys) && (sys->faction != -1)) {
sw = gl_faction_disk->sw;
sh = gl_faction_disk->sw;
col = faction_colour(sys->faction);
c.r = col->r;
c.g = col->g;
c.b = col->b;
c.a = 0.7;
gl_blitTexture(
gl_faction_disk,
tx - sw/2, ty - sh/2, sw, sh,
0., 0., gl_faction_disk->srw, gl_faction_disk->srw, &c );
}
/* Draw the system. */
if (!sys_isKnown(sys) || (sys->nfleets==0)) col = &cInert;
else if (sys->security >= 1.) col = &cGreen;
else if (sys->security >= 0.6) col = &cOrange;
else if (sys->security >= 0.3) col = &cRed;
else col = &cDarkRed;
gl_drawCircleInRect( tx, ty, r, bx, by, w, h, col, 0 );
/* If system is known fill it. */
if (sys_isKnown(sys) && (sys->nplanets > 0)) {
/* Planet colours */
if (!sys_isKnown(sys)) col = &cInert;
else if (sys->nplanets==0) col = &cInert;
else col = faction_getColour( sys->faction);
/* Radius slightly shorter. */
gl_drawCircleInRect( tx, ty, 0.5*r, bx, by, w, h, col, 1 );
}
if (!sys_isKnown(sys))
continue; /* we don't draw hyperspace lines */
/* draw the hyperspace paths */
glShadeModel(GL_SMOOTH);
col = &cDarkBlue;
/* first we draw all of the paths. */
for (j=0; j<sys->njumps; j++) {
jsys = system_getIndex( sys->jumps[j] );
if (hyperspace_target != -1)
hsys = system_getIndex( cur_system->jumps[hyperspace_target] );
/* Draw the lines. */
vertex[0] = x + sys->pos.x * map_zoom;
vertex[1] = y + sys->pos.y * map_zoom;
vertex[2] = vertex[0] + (jsys->pos.x - sys->pos.x)/2. * map_zoom;
vertex[3] = vertex[1] + (jsys->pos.y - sys->pos.y)/2. * map_zoom;
vertex[4] = x + jsys->pos.x * map_zoom;
vertex[5] = y + jsys->pos.y * map_zoom;
vertex[6] = col->r;
vertex[7] = col->g;
vertex[8] = col->b;
vertex[9] = 0.;
vertex[10] = col->r;
vertex[11] = col->g;
vertex[12] = col->b;
vertex[13] = col->a;
vertex[14] = col->r;
vertex[15] = col->g;
vertex[16] = col->b;
vertex[17] = 0.;
gl_vboSubData( map_vbo, 0, sizeof(GLfloat) * 3*(2+4), vertex );
gl_vboActivateOffset( map_vbo, GL_VERTEX_ARRAY, 0, 2, GL_FLOAT, 0 );
gl_vboActivateOffset( map_vbo, GL_COLOR_ARRAY,
sizeof(GLfloat) * 2*3, 4, GL_FLOAT, 0 );
glDrawArrays( GL_LINE_STRIP, 0, 3 );
gl_vboDeactivate();
}
glShadeModel( GL_FLAT );
}
/* Now we'll draw over the lines with the new pathways. */
if (map_path != NULL) {
lsys = cur_system;
glShadeModel(GL_SMOOTH);
col = &cGreen;
fuel = player->fuel;
for (j=0; j<map_npath; j++) {
jsys = map_path[j];
if (fuel == player->fuel)
col = &cGreen;
else if (fuel < 100.)
col = &cRed;
else
col = &cYellow;
fuel -= 100;
/* Draw the lines. */
vertex[0] = x + lsys->pos.x * map_zoom;
vertex[1] = y + lsys->pos.y * map_zoom;
vertex[2] = vertex[0] + (jsys->pos.x - lsys->pos.x)/2. * map_zoom;
vertex[3] = vertex[1] + (jsys->pos.y - lsys->pos.y)/2. * map_zoom;
vertex[4] = x + jsys->pos.x * map_zoom;
vertex[5] = y + jsys->pos.y * map_zoom;
vertex[6] = col->r;
vertex[7] = col->g;
vertex[8] = col->b;
vertex[9] = 0.;
vertex[10] = col->r;
vertex[11] = col->g;
vertex[12] = col->b;
vertex[13] = col->a;
vertex[14] = col->r;
vertex[15] = col->g;
vertex[16] = col->b;
vertex[17] = 0.;
gl_vboSubData( map_vbo, 0, sizeof(GLfloat) * 3*(2+4), vertex );
gl_vboActivateOffset( map_vbo, GL_VERTEX_ARRAY, 0, 2, GL_FLOAT, 0 );
gl_vboActivateOffset( map_vbo, GL_COLOR_ARRAY,
sizeof(GLfloat) * 2*3, 4, GL_FLOAT, 0 );
glDrawArrays( GL_LINE_STRIP, 0, 3 );
gl_vboDeactivate();
lsys = jsys;
}
glShadeModel( GL_FLAT );
}
/*
* Second pass - System names
*/
for (i=0; i<systems_nstack; i++) {
sys = system_getIndex( i );
/* Skip system. */
if (!sys_isKnown(sys) || (map_zoom <= 0.5 ))
continue;
tx = x + (sys->pos.x+11.) * map_zoom;
ty = y + (sys->pos.y-5.) * map_zoom;
gl_print( &gl_smallFont,
tx + SCREEN_W/2., ty + SCREEN_H/2.,
&cWhite, sys->name );
}
/*
* Third pass - system markers
*/
for (i=0; i<systems_nstack; i++) {
sys = system_getIndex( i );
/* We only care about marked now. */
if (!sys_isFlag(sys, SYSTEM_MARKED | SYSTEM_CMARKED))
continue;
/* Get the position. */
tx = x + sys->pos.x*map_zoom;
ty = y + sys->pos.y*map_zoom;
/* Count markers. */
n = (sys_isFlag(sys, SYSTEM_CMARKED)) ? 1 : 0;
n += sys->markers_misc;
n += sys->markers_cargo;
n += sys->markers_rush;
/* Draw the markers. */
j = 0;
if (sys_isFlag(sys, SYSTEM_CMARKED)) {
map_drawMarker( tx, ty, r, n, j, 0 );
j++;
}
for (m=0; m<sys->markers_misc; m++) {
map_drawMarker( tx, ty, r, n, j, 1 );
j++;
}
for (m=0; m<sys->markers_rush; m++) {
map_drawMarker( tx, ty, r, n, j, 2 );
j++;
}
for (m=0; m<sys->markers_cargo; m++) {
map_drawMarker( tx, ty, r, n, j, 3 );
j++;
}
}
/* Selected planet. */
if (map_selected != -1) {
sys = system_getIndex( map_selected );
gl_drawCircleInRect( x + sys->pos.x * map_zoom, y + sys->pos.y * map_zoom,
1.5*r, bx, by, w, h, &cRed, 0 );
}
/* Current planet. */
gl_drawCircleInRect( x + cur_system->pos.x * map_zoom,
y + cur_system->pos.y * map_zoom,
1.5*r, bx, by, w, h, &cRadar_tPlanet, 0 );
}
/**
* @brief Renders the custom map widget.
*
* @param bx Base X position to render at.
* @param by Base Y position to render at.
* @param w Width of the widget.
* @param h Height of the widget.
*/
static void map_render( double bx, double by, double w, double h )
{
int i,j, n,m;
double x,y,r, tx,ty;
StarSystem *sys, *jsys, *hsys;
glColour* col;
r = 5.;
x = (bx - map_xpos + w/2) * 1.;
y = (by - map_ypos + h/2) * 1.;
/* background */
COLOUR(cBlack);
glBegin(GL_QUADS);
glVertex2d( bx, by );
glVertex2d( bx, by+h );
glVertex2d( bx+w, by+h );
glVertex2d( bx+w, by );
glEnd(); /* GL_QUADS */
/* render the star systems */
for (i=0; i<systems_nstack; i++) {
sys = system_getIndex( i );
/* check to make sure system is known or adjacent to known (or marked) */
if (!sys_isFlag(sys, SYSTEM_MARKED | SYSTEM_CMARKED) && !space_sysReachable(sys))
continue;
/* system colours */
if (sys==cur_system) col = &cRadar_tPlanet;
else if (!sys_isKnown(sys) || (sys->nplanets==0)) col = &cInert;
else col = faction_getColour( sys->faction);
COLOUR(*col);
/* draw the system */
tx = x + sys->pos.x*map_zoom;
ty = y + sys->pos.y*map_zoom;
gl_drawCircleInRect( tx, ty, r, bx, by, w, h );
/* draw the system name */
if (sys_isKnown(sys) && (map_zoom > 0.5 )) {
tx = x + 7. + sys->pos.x * map_zoom;
ty = y - 5. + sys->pos.y * map_zoom;
gl_print( &gl_smallFont,
tx + SCREEN_W/2., ty + SCREEN_H/2.,
&cWhite, sys->name );
}
if (!sys_isKnown(sys)) continue; /* we don't draw hyperspace lines */
/* draw the hyperspace paths */
glShadeModel(GL_SMOOTH);
/* cheaply use transparency instead of actually calculating
* from where to where the line must go :) */
for (j=0; j<sys->njumps; j++) {
jsys = system_getIndex( sys->jumps[j] );
if (hyperspace_target != -1)
hsys = system_getIndex( cur_system->jumps[hyperspace_target] );
n = map_inPath(jsys);
m = map_inPath(sys);
/* set the colours */
/* is the route the current one? */
if ((hyperspace_target != -1) &&
( ((cur_system==sys) && (j==hyperspace_target)) ||
((cur_system==jsys) &&
(sys==hsys )))) {
if (player->fuel < HYPERSPACE_FUEL)
col = &cRed;
else
col = &cGreen;
}
/* is the route part of the path? */
else if ((n > 0) && (m > 0)) {
if ((n == 2) || (m == 2)) /* out of fuel */
col = &cRed;
else
col = &cYellow;
}
else
col = &cDarkBlue;
glBegin(GL_LINE_STRIP);
ACOLOUR(*col,0.);
tx = x + sys->pos.x * map_zoom;
ty = y + sys->pos.y * map_zoom;
glVertex2d( tx, ty );
COLOUR(*col);
tx += (jsys->pos.x - sys->pos.x)/2. * map_zoom;
ty += (jsys->pos.y - sys->pos.y)/2. * map_zoom;
glVertex2d( tx, ty );
ACOLOUR(*col,0.);
tx = x + jsys->pos.x * map_zoom;
ty = y + jsys->pos.y * map_zoom;
glVertex2d( tx, ty );
glEnd(); /* GL_LINE_STRIP */
}
glShadeModel(GL_FLAT);
}
/* Second pass to put markers. */
for (i=0; i<systems_nstack; i++) {
sys = system_getIndex( i );
/* We only care about marked now. */
if (!sys_isFlag(sys, SYSTEM_MARKED | SYSTEM_CMARKED))
continue;
/* Get the position. */
tx = x + sys->pos.x*map_zoom;
ty = y + sys->pos.y*map_zoom;
/* Count markers. */
n = (sys_isFlag(sys, SYSTEM_CMARKED)) ? 1 : 0;
n += sys->markers_misc;
n += sys->markers_cargo;
n += sys->markers_rush;
/* Draw the markers. */
j = 0;
if (sys_isFlag(sys, SYSTEM_CMARKED)) {
map_drawMarker( tx, ty, r, n, j, 0 );
j++;
}
for (m=0; m<sys->markers_misc; m++) {
map_drawMarker( tx, ty, r, n, j, 1 );
j++;
}
for (m=0; m<sys->markers_rush; m++) {
map_drawMarker( tx, ty, r, n, j, 2 );
j++;
}
for (m=0; m<sys->markers_cargo; m++) {
map_drawMarker( tx, ty, r, n, j, 3 );
j++;
}
}
/* selected planet */
if (map_selected != -1) {
sys = system_getIndex( map_selected );
COLOUR(cRed);
gl_drawCircleInRect( x + sys->pos.x * map_zoom, y + sys->pos.y * map_zoom,
r+3., bx, by, w, h );
}
}
