dev_uniedit.c

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/*
 * See Licensing and Copyright notice in naev.h
 */
#include "SDL.h"
 
#include "naev.h"
#include "dev_uniedit.h"
 
#include "array.h"
#include "conf.h"
#include "dev_spob.h"
#include "dev_sysedit.h"
#include "dev_system.h"
#include "dialogue.h"
#include "economy.h"
#include "map.h"
#include "map_find.h"
#include "ndata.h"
#include "nstring.h"
#include "opengl.h"
#include "pause.h"
#include "safelanes.h"
#include "space.h"
#include "tk/toolkit_priv.h"
#include "toolkit.h"
#include "unidiff.h"
 
#define BUTTON_WIDTH   100 
#define BUTTON_HEIGHT   30 
#define UNIEDIT_EDIT_WIDTH       400 
#define UNIEDIT_EDIT_HEIGHT      450 
#define UNIEDIT_FIND_WIDTH       400 
#define UNIEDIT_FIND_HEIGHT      500 
#define UNIEDIT_DRAG_THRESHOLD   300   
#define UNIEDIT_MOVE_THRESHOLD   10    
#define UNIEDIT_CLICK_THRESHOLD  20.   
#define UNIEDIT_DOUBLECLICK_THRESHOLD   300   
#define UNIEDIT_ZOOM_STEP        1.2   
#define UNIEDIT_ZOOM_MAX         5.    
#define UNIEDIT_ZOOM_MIN         -5.   
/*
 * The editor modes.
 */
typedef enum UniEditMode_ {
   UNIEDIT_DEFAULT,  
   UNIEDIT_JUMP,     
   UNIEDIT_NEWSYS,   
} UniEditMode;
 
typedef enum UniEditViewMode_ {
   UNIEDIT_VIEW_DEFAULT,
   UNIEDIT_VIEW_VIRTUALSPOBS,
   UNIEDIT_VIEW_RADIUS,
   UNIEDIT_VIEW_BACKGROUND,
   UNIEDIT_VIEW_ASTEROIDS,
   UNIEDIT_VIEW_TECH,
   UNIEDIT_VIEW_PRESENCE_SUM,
   UNIEDIT_VIEW_PRESENCE,
} UniEditViewMode;
 
extern StarSystem *systems_stack;
 
static UniEditMode uniedit_mode = UNIEDIT_DEFAULT; 
static UniEditViewMode uniedit_viewmode = UNIEDIT_VIEW_DEFAULT; 
static int uniedit_view_faction = -1; 
static unsigned int uniedit_wid = 0; 
static unsigned int uniedit_widEdit = 0; 
static unsigned int uniedit_widFind = 0; 
static double uniedit_xpos    = 0.; 
static double uniedit_ypos    = 0.; 
static double uniedit_zoom    = 1.; 
static int uniedit_moved      = 0;  
static unsigned int uniedit_lastClick = 0; 
static int uniedit_drag       = 0;  
static int uniedit_dragSys    = 0;  
static int uniedit_dragSel    = 0;  
static double uniedit_dragSelX= 0;  
static double uniedit_dragSelY= 0;  
static StarSystem **uniedit_sys = NULL; 
static StarSystem *uniedit_tsys = NULL; 
static int uniedit_tadd       = 0;  
static double uniedit_mx      = 0.; 
static double uniedit_my      = 0.; 
static double uniedit_dt      = 0.; 
static map_find_t *found_cur  = NULL;  
static int found_ncur         = 0;     
/*
 * Universe editor Prototypes.
 */
/* Selection. */
static void uniedit_deselect (void);
static void uniedit_selectAdd( StarSystem *sys );
static void uniedit_selectRm( StarSystem *sys );
/* System and spob search. */
static void uniedit_findSys (void);
static void uniedit_findSysClose( unsigned int wid, const char *name );
static void uniedit_findSearch( unsigned int wid, const char *str );
static void uniedit_findShowResults( unsigned int wid, map_find_t *found, int n );
static void uniedit_centerSystem( unsigned int wid, const char *unused );
static int uniedit_sortCompare( const void *p1, const void *p2 );
/* System editing. */
static void uniedit_editSys (void);
static void uniedit_editSysClose( unsigned int wid, const char *name );
static void uniedit_editGenList( unsigned int wid );
static void uniedit_btnEditRename( unsigned int wid, const char *unused );
static void uniedit_btnEditRmSpob( unsigned int wid, const char *unused );
static void uniedit_btnEditAddSpob( unsigned int wid, const char *unused );
static void uniedit_btnEditAddSpobAdd( unsigned int wid, const char *unused );
static void uniedit_btnViewModeSet( unsigned int wid, const char *unused );
/* System renaming. */
static int uniedit_checkName( const char *name );
static void uniedit_renameSys (void);
/* New system. */
static void uniedit_newSys( double x, double y );
/* Jump handling. */
static void uniedit_toggleJump( StarSystem *sys );
static void uniedit_jumpAdd( StarSystem *sys, StarSystem *targ );
static void uniedit_jumpRm( StarSystem *sys, StarSystem *targ );
/* Custom system editor widget. */
static void uniedit_buttonZoom( unsigned int wid, const char* str );
static void uniedit_render( double bx, double by, double w, double h, void *data );
static void uniedit_renderOverlay( double bx, double by, double bw, double bh, void* data );
static void uniedit_focusLose( unsigned int wid, const char* wgtname );
static int uniedit_mouse( unsigned int wid, SDL_Event* event, double mx, double my,
      double w, double h, double rx, double ry, void *data );
static void uniedit_renderFactionDisks( double x, double y, double r );
static void uniedit_renderVirtualSpobs( double x, double y, double r );
/* Button functions. */
static void uniedit_close( unsigned int wid, const char *wgt );
static void uniedit_save( unsigned int wid_unused, const char *unused );
static void uniedit_btnView( unsigned int wid_unused, const char *unused );
static void uniedit_btnJump( unsigned int wid_unused, const char *unused );
static void uniedit_btnRename( unsigned int wid_unused, const char *unused );
static void uniedit_btnEdit( unsigned int wid_unused, const char *unused );
static void uniedit_btnNew( unsigned int wid_unused, const char *unused );
static void uniedit_btnOpen( unsigned int wid_unused, const char *unused );
static void uniedit_btnFind( unsigned int wid_unused, const char *unused );
/* Keybindings handling. */
static int uniedit_keys( unsigned int wid, SDL_Keycode key, SDL_Keymod mod );
 
void uniedit_open( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
   unsigned int wid;
   int buttonPos = 0;
   const glColour cBG = { 0., 0., 0., 0.95 };
 
   /* Pause. */
   pause_game();
 
   /* Must have no diffs applied. */
   diff_clear();
 
   /* Reset some variables. */
   uniedit_mode   = UNIEDIT_DEFAULT;
   uniedit_viewmode = UNIEDIT_VIEW_DEFAULT;
   uniedit_view_faction = -1;
   uniedit_drag   = 0;
   uniedit_dragSys = 0;
   uniedit_dragSel = 0;
   uniedit_tsys   = NULL;
   uniedit_tadd   = 0;
   uniedit_zoom   = 1.;
   uniedit_xpos   = 0.;
   uniedit_ypos   = 0.;
   uniedit_dt     = 0.;
 
   /* Create the window. */
   wid = window_create( "wdwUniverseEditor", _("Universe Editor"), -1, -1, -1, -1 );
   window_handleKeys( wid, uniedit_keys );
   window_setBorder( wid, 0 );
   uniedit_wid = wid;
 
   /* Actual viewport, below everything. */
   window_addCust( wid, 0, 0, SCREEN_W, SCREEN_H,
         "cstSysEdit", 1, uniedit_render, uniedit_mouse, NULL, uniedit_focusLose, NULL );
   window_custSetOverlay( wid, "cstSysEdit", uniedit_renderOverlay );
 
   /* Overlay background. */
   window_addRect( wid, SCREEN_W-130, 0, 130, SCREEN_H, "rctRCol", &cBG, 0 );
   window_addRect( wid, 0, 0, SCREEN_W, 60, "rctBBar", &cBG, 0 );
 
   /* Close button. */
   window_addButtonKey( wid, -20, 20+(BUTTON_HEIGHT+20)*buttonPos, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnClose", _("Exit"), uniedit_close, SDLK_x );
   buttonPos++;
 
   /* Autosave toggle. */
   window_addCheckbox( wid, -150, 25, SCREEN_W/2 - 150, 20,
         "chkEditAutoSave", _("Automatically save changes"), uniedit_autosave, conf.devautosave );
 
   /* Save button. */
   window_addButton( wid, -20, 20+(BUTTON_HEIGHT+20)*buttonPos, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnSave", _("Save All"), uniedit_save );
   buttonPos++;
 
   /* View button. */
   window_addButton( wid, -20, 20+(BUTTON_HEIGHT+20)*buttonPos, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnView", _("View Mode"), uniedit_btnView );
   buttonPos++;
 
   /* Jump toggle. */
   window_addButtonKey( wid, -20, 20+(BUTTON_HEIGHT+20)*buttonPos, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnJump", _("Jump"), uniedit_btnJump, SDLK_j );
   buttonPos++;
 
   /* Rename system. */
   window_addButtonKey( wid, -20, 20+(BUTTON_HEIGHT+20)*buttonPos, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnRename", _("Rename"), uniedit_btnRename, SDLK_r );
   buttonPos++;
 
   /* Edit system. */
   window_addButtonKey( wid, -20, 20+(BUTTON_HEIGHT+20)*buttonPos, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnEdit", _("Edit"), uniedit_btnEdit, SDLK_e );
   buttonPos++;
 
   /* New system. */
   window_addButtonKey( wid, -20, 20+(BUTTON_HEIGHT+20)*buttonPos, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnNew", _("New Sys"), uniedit_btnNew, SDLK_n );
   buttonPos++;
 
   /* Open a system. */
   window_addButtonKey( wid, -20, 20+(BUTTON_HEIGHT+20)*buttonPos, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnOpen", _("Open"), uniedit_btnOpen, SDLK_o );
   buttonPos++;
 
   /* Find a system or spob. */
   window_addButtonKey( wid, -20, 20+(BUTTON_HEIGHT+20)*buttonPos, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnFind", _("Find"), uniedit_btnFind, SDLK_f );
   buttonPos++;
 
   /* Zoom buttons */
   window_addButton( wid, 40, 20, 30, 30, "btnZoomIn", "+", uniedit_buttonZoom );
   window_addButton( wid, 80, 20, 30, 30, "btnZoomOut", "-", uniedit_buttonZoom );
 
   /* Nebula. */
   window_addText( wid, -20, -40, 100, 20, 0, "txtSNebula",
         &gl_smallFont, &cFontGrey, _("Nebula:") );
   window_addText( wid, -10, -40-gl_smallFont.h-5, 110, 60, 0, "txtNebula",
         &gl_smallFont, NULL, _("N/A") );
 
   /* Presence. */
   window_addText( wid, -20, -100, 100, 20, 0, "txtSPresence",
         &gl_smallFont, &cFontGrey, _("Presence:") );
   window_addText( wid, -10, -100-gl_smallFont.h-5, 110, 140, 0, "txtPresence",
         &gl_smallFont, NULL, _("N/A") );
 
   /* Selected text. */
   window_addText( wid, 140, 10, SCREEN_W/2 - 140, 30, 0,
         "txtSelected", &gl_smallFont, NULL, NULL );
 
   /* Deselect everything. */
   uniedit_deselect();
}
 
static int uniedit_keys( unsigned int wid, SDL_Keycode key, SDL_Keymod mod )
{
   (void) wid;
   (void) mod;
 
   switch (key) {
      /* Mode changes. */
      case SDLK_ESCAPE:
         uniedit_mode = UNIEDIT_DEFAULT;
         return 1;
 
      default:
         return 0;
   }
}
 
static void uniedit_close( unsigned int wid, const char *wgt )
{
   /* Frees some memory. */
   uniedit_deselect();
 
   /* Reconstruct jumps. */
   systems_reconstructJumps();
 
   /* Unpause. */
   unpause_game();
 
   /* Close the window. */
   window_close( wid, wgt );
}
 
/*
 * @brief Saves the systems.
 */
static void uniedit_save( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
 
   dsys_saveAll();
   dpl_saveAll();
}
 
/*
 * @brief Toggles autosave.
 */
void uniedit_autosave( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
 
   conf.devautosave = window_checkboxState( wid_unused, "chkEditAutoSave" );
}
 
/*
 * @brief Updates autosave check box.
 */
void uniedit_updateAutosave (void)
{
   window_checkboxSet( uniedit_wid, "chkEditAutoSave", conf.devautosave );
}
 
static int factionGenerates( int f, int tocheck, double *w )
{
   const FactionGenerator *fg = faction_generators( f );
   for (int i=0; i<array_size(fg); i++) {
      if (fg[i].id==tocheck) {
         if (w!=NULL)
            *w = fg[i].weight;
         return 1;
      }
   }
   return 0;
}
 
static void uniedit_btnView( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
   unsigned int wid;
   int n, h, k;
   Spob *spobs;
   char **str;
   int *factions;
 
   /* Find usable factions. */
   factions = faction_getAll();
   spobs  = spob_getAll();
   for (int i=0; i<array_size(factions); i++) {
      int f = factions[i];
      int hasfact = 0;
      for (int j=0; j<array_size(spobs); j++) {
         Spob *p = &spobs[j];
         if ((p->presence.faction != f) && !factionGenerates(p->presence.faction,f,NULL))
            continue;
         if (p->presence.base==0. && p->presence.bonus==0.)
            continue;
         hasfact = 1;
         break;
      }
      if (!hasfact)
         factions[i] = -1;
   }
 
   /* Create the window. */
   wid = window_create( "wdwUniEditView", _("Select a View Mode"), -1, -1, UNIEDIT_EDIT_WIDTH, UNIEDIT_EDIT_HEIGHT );
   window_setCancel( wid, window_close );
 
   /* Add virtual spob list. */
   str   = malloc( sizeof(char*) * (array_size(factions)+1) );
   str[0]= strdup(_("Default"));
   str[1]= strdup(_("Virtual Spobs"));
   str[2]= strdup(_("System Radius"));
   str[3]= strdup(_("Background"));
   str[4]= strdup(_("Asteroids"));
   str[5]= strdup(_("Tech"));
   str[6]= strdup(_("Sum of Presences"));
   n     = 7; /* Number of special cases. */
   k     = n;
   for (int i=0; i<array_size(factions); i++) {
      int f = factions[i];
      if (f>=0)
         str[k++] = strdup( faction_name( f ) ); /* Not translating so we can use faction_get */
   }
   qsort( &str[n], k-n, sizeof(char*), strsort );
   h = UNIEDIT_EDIT_HEIGHT-60-(BUTTON_HEIGHT+20);
   window_addList( wid, 20, -40, UNIEDIT_EDIT_WIDTH-40, h, "lstViewModes", str, k, 0, NULL, uniedit_btnViewModeSet );
 
   /* Close button. */
   window_addButton( wid, -20, 20, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnClose", _("Close"), window_close );
 
   /* Add button. */
   window_addButton( wid, -20-(BUTTON_WIDTH+20), 20, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnSet", _("Set"), uniedit_btnViewModeSet );
 
   /* Clean up. */
   array_free( factions );
}
 
static void uniedit_btnJump( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
 
   uniedit_mode = UNIEDIT_JUMP;
}
 
static void uniedit_btnRename( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
 
   uniedit_renameSys();
}
 
static void uniedit_btnNew( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
 
   uniedit_mode = UNIEDIT_NEWSYS;
}
 
static void uniedit_btnOpen( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
 
   if (array_size(uniedit_sys) != 1)
      return;
 
   sysedit_open( uniedit_sys[0] );
}
 
static void uniedit_btnFind( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
 
   uniedit_findSys();
}
 
static void uniedit_btnEdit( unsigned int wid_unused, const char *unused )
{
   (void) wid_unused;
   (void) unused;
 
   uniedit_editSys();
}
 
static void uniedit_renderFactionDisks( double x, double y, double r )
{
   const glColour *col;
   glColour c;
   double tx, ty, sr, presence;
 
   col = faction_colour( uniedit_view_faction );
   c.r = col->r;
   c.g = col->g;
   c.b = col->b;
   c.a = 0.5;
 
   for (int i=0; i<array_size(systems_stack); i++) {
      StarSystem *sys = system_getIndex( i );
 
      tx = x + sys->pos.x*uniedit_zoom;
      ty = y + sys->pos.y*uniedit_zoom;
 
      presence = system_getPresence( sys, uniedit_view_faction );
 
      /* draws the disk representing the faction */
      sr = 0.5*M_PI*sqrt(presence) * uniedit_zoom;
 
      //glUseProgram(shaders.factiondisk.program);
      //glUniform1f(shaders.factiondisk.paramf, r / sr );
      //gl_renderShader( tx, ty, sr, sr, 0., &shaders.factiondisk, &c, 1 );
      (void) r;
      gl_renderCircle( tx, ty, sr, &c, 1 );
   }
}
 
static void uniedit_renderVirtualSpobs( double x, double y, double r )
{
   const glColour c = { .r=1., .g=1., .b=1., .a=0.3 };
 
   for (int i=0; i<array_size(systems_stack); i++) {
      double tx, ty, sr;
      StarSystem *sys = system_getIndex( i );
 
      tx = x + sys->pos.x*uniedit_zoom;
      ty = y + sys->pos.y*uniedit_zoom;
 
      /* draws the disk representing the faction */
      sr = 5.*M_PI*sqrt((double)array_size(sys->spobs_virtual)) * uniedit_zoom;
 
      (void) r;
      gl_renderCircle( tx, ty, sr, &c, 1 );
   }
}
 
static void uniedit_renderRadius( double x, double y, double r )
{
   const glColour c = { .r=1., .g=1., .b=1., .a=0.3 };
 
   for (int i=0; i<array_size(systems_stack); i++) {
      double tx, ty, sr;
      StarSystem *sys = system_getIndex( i );
 
      tx = x + sys->pos.x*uniedit_zoom;
      ty = y + sys->pos.y*uniedit_zoom;
 
      /* draws the disk representing the faction */
      sr = 5.*M_PI*sqrt(sys->radius / 10e3) * uniedit_zoom;
 
      (void) r;
      gl_renderCircle( tx, ty, sr, &c, 1 );
   }
}
 
static void uniedit_renderBackground( double x, double y, double r )
{
   const glColour c = { .r=1., .g=1., .b=1., .a=0.3 };
 
   for (int i=0; i<array_size(systems_stack); i++) {
      double tx, ty, sr;
      StarSystem *sys = system_getIndex( i );
 
      if (sys->background==NULL)
         continue;
 
      tx = x + sys->pos.x*uniedit_zoom;
      ty = y + sys->pos.y*uniedit_zoom;
 
      /* draws the disk representing the faction */
      sr = 7.*M_PI * uniedit_zoom;
 
      (void) r;
      gl_renderCircle( tx, ty, sr, &c, 1 );
   }
}
 
static void uniedit_renderAsteroids( double x, double y, double r )
{
   const glColour c = { .r=1., .g=1., .b=1., .a=0.3 };
 
   for (int i=0; i<array_size(systems_stack); i++) {
      double tx, ty, sr;
      StarSystem *sys = system_getIndex( i );
      double density = sys->asteroid_density;
 
      if (density <= 0.)
         continue;
 
      tx = x + sys->pos.x*uniedit_zoom;
      ty = y + sys->pos.y*uniedit_zoom;
 
      /* Draw disk. */
      sr = 0.3*M_PI*sqrt(density) * uniedit_zoom;
      (void) r;
      gl_renderCircle( tx, ty, sr, &c, 1 );
   }
}
 
static void uniedit_renderTech( double x, double y, double r )
{
   const glColour c = { .r=1., .g=1., .b=1., .a=0.3 };
 
   for (int i=0; i<array_size(systems_stack); i++) {
      double tx, ty, sr;
      StarSystem *sys = system_getIndex( i );
      int hastech = 0;
 
      for (int j=0; j<array_size(sys->spobs); j++) {
         if (sys->spobs[j]->tech != NULL) {
            hastech = 1;
            break;
         }
      }
      if (!hastech)
         continue;
 
      tx = x + sys->pos.x*uniedit_zoom;
      ty = y + sys->pos.y*uniedit_zoom;
 
      /* Draw disk. */
      sr = 7.*M_PI * uniedit_zoom;
      (void) r;
      gl_renderCircle( tx, ty, sr, &c, 1 );
   }
}
 
static void uniedit_renderPresenceSum( double x, double y, double r )
{
   const glColour c = { .r=1., .g=1., .b=1., .a=0.3 };
 
   for (int i=0; i<array_size(systems_stack); i++) {
      double tx, ty, sr;
      StarSystem *sys = system_getIndex( i );
 
      double total = 0.;
      for (int j=0; j<array_size(sys->presence); j++)
         total += MAX( 0., sys->presence[j].value );
 
      tx = x + sys->pos.x*uniedit_zoom;
      ty = y + sys->pos.y*uniedit_zoom;
 
      /* draws the disk representing the faction */
      sr = 0.2*M_PI*sqrt(total) * uniedit_zoom;
 
      (void) r;
      gl_renderCircle( tx, ty, sr, &c, 1 );
   }
}
 
/* @brief Renders important map stuff.
 */
void uniedit_renderMap( double bx, double by, double w, double h, double x, double y, double zoom, double r )
{
   /* background */
   gl_renderRect( bx, by, w, h, &cBlack );
 
   if (UNIEDIT_VIEW_DEFAULT)
      map_renderDecorators( x, y, zoom, 1, 1. );
 
   /* Render faction disks. */
   switch (uniedit_viewmode) {
      case UNIEDIT_VIEW_DEFAULT:
         map_renderFactionDisks( x, y, zoom, r, 1, 1. );
         map_renderSystemEnvironment( x, y, zoom, 1, 1. );
         break;
 
      case UNIEDIT_VIEW_VIRTUALSPOBS:
         uniedit_renderVirtualSpobs( x, y, r );
         break;
 
      case UNIEDIT_VIEW_RADIUS:
         uniedit_renderRadius( x, y, r );
         break;
 
      case UNIEDIT_VIEW_BACKGROUND:
         uniedit_renderBackground( x, y, r );
         break;
 
      case UNIEDIT_VIEW_ASTEROIDS:
         uniedit_renderAsteroids( x, y, r );
         break;
 
      case UNIEDIT_VIEW_TECH:
         uniedit_renderTech( x, y, r );
         break;
 
      case UNIEDIT_VIEW_PRESENCE_SUM:
         uniedit_renderPresenceSum( x, y, r );
         break;
 
      case UNIEDIT_VIEW_PRESENCE:
         if (uniedit_view_faction>=0)
            uniedit_renderFactionDisks( x, y, r );
         break;
   }
 
   /* Render jump paths. */
   map_renderJumps( x, y, zoom, r, 1 );
 
   /* Render systems. */
   map_renderSystems( bx, by, x, y, zoom, w, h, r, MAPMODE_EDITOR );
 
   /* Render system names. */
   map_renderNames( bx, by, x, y, zoom, w, h, 1, 1. );
}
 
static void uniedit_render( double bx, double by, double w, double h, void *data )
{
   (void) data;
   double x,y,r;
 
   uniedit_dt += naev_getrealdt();
 
   /* Parameters. */
   map_renderParams( bx, by, uniedit_xpos, uniedit_ypos, w, h, uniedit_zoom, &x, &y, &r );
 
   /* Render map stuff. */
   uniedit_renderMap( bx, by, w, h, x, y, uniedit_zoom, r );
 
   /* Render the selected system selections. */
   for (int i=0; i<array_size(uniedit_sys); i++) {
      StarSystem *sys = uniedit_sys[i];
      glUseProgram( shaders.selectspob.program );
      glUniform1f( shaders.selectspob.dt, uniedit_dt );
      gl_renderShader( x + sys->pos.x * uniedit_zoom, y + sys->pos.y * uniedit_zoom,
            1.5*r, 1.5*r, 0., &shaders.selectspob, &cWhite, 1 );
   }
}
 
static char getValCol( double val )
{
   if (val > 0.)
      return 'g';
   else if (val < 0.)
      return 'r';
   return '0';
}
static int getPresenceVal( int f, SpobPresence *ap, double *base, double *bonus )
{
   int gf = 0;
   double w;
   if ((ap->faction!=f) && !(gf=factionGenerates(ap->faction, f, &w)))
      return 0;
   if (gf == 0) {
      *base = ap->base;
      *bonus = ap->bonus;
   }
   else {
      *base = ap->base * w;
      *bonus = ap->bonus * w;
   }
   return 1;
}
 
static void uniedit_renderOverlay( double bx, double by, double bw, double bh, void* data )
{
   double x,y, mx,my, sx,sy;
   double value, base, bonus;
   char buf[STRMAX] = {'\0'};
   StarSystem *sys, *cur, *mousesys;
   SystemPresence *sp;
   (void) data;
 
   x = bx + uniedit_mx;
   y = by + uniedit_my;
 
   /* Correct coordinates. */
   mx = uniedit_mx - bw/2. + uniedit_xpos;
   my = uniedit_my - bh/2. + uniedit_ypos;
   mx /= uniedit_zoom;
   my /= uniedit_zoom;
 
   /* Display location. */
   gl_print( &gl_defFontMono, bx+5, by+65, &cWhite, "% 7.2f x % 7.2f", mx, my );
 
   /* Select drag stuff. */
   if (uniedit_dragSel) {
      double l, r, b, t, rx, ry;
      const glColour col = { .r = 0.2, .g = 0.2, .b = 0.8, .a = 0.5 };
 
      l = MIN( uniedit_dragSelX, mx );
      r = MAX( uniedit_dragSelX, mx );
      b = MIN( uniedit_dragSelY, my );
      t = MAX( uniedit_dragSelY, my );
 
      /* Project back to screen space. */
      rx = (l * uniedit_zoom) + bw/2. - uniedit_xpos;
      ry = (b * uniedit_zoom) + bh/2. - uniedit_ypos;
 
      gl_renderRect( rx, ry, (r-l)*uniedit_zoom, (t-b)*uniedit_zoom, &col );
   }
 
   /* Don't cover up stuff if possible. */
   if ((x > SCREEN_W-130) || (y < 60))
      return;
 
   if (uniedit_mode == UNIEDIT_NEWSYS) {
      toolkit_drawAltText( x, y, _("Click to add a new system"));
      return;
   }
   else if (uniedit_mode == UNIEDIT_JUMP) {
      toolkit_drawAltText( x, y, _("Click to toggle jump route"));
      return;
   }
   else if (uniedit_viewmode == UNIEDIT_VIEW_DEFAULT)
      return;
 
   /* Find mouse over system. */
   mousesys = NULL;
   for (int i=0; i<array_size(systems_stack); i++) {
      sys = system_getIndex(i);
      sx = sys->pos.x;
      sy = sys->pos.y;
      if ((pow2(sx-mx)+pow2(sy-my)) > pow2(UNIEDIT_CLICK_THRESHOLD))
         continue;
      mousesys = sys;
      break;
   }
   if (mousesys == NULL)
      return;
   sys   = mousesys;
   sx    = sys->pos.x;
   sy    = sys->pos.y;
 
   /* Handle virtual spob viewer. */
   if (uniedit_viewmode == UNIEDIT_VIEW_VIRTUALSPOBS) {
      int l;
 
      if (array_size(sys->spobs_virtual)==0)
         return;
 
      /* Count spobs. */
      l = 0;
      for (int j=0; j<array_size(sys->spobs_virtual); j++) {
         VirtualSpob *va = sys->spobs_virtual[j];
         l += scnprintf( &buf[l], sizeof(buf)-l, "%s%s", (l>0)?"\n":"", va->name );
      }
 
      toolkit_drawAltText( x, y, buf);
      return;
   }
 
   /* Handle radius view. */
   else if (uniedit_viewmode == UNIEDIT_VIEW_RADIUS) {
      scnprintf( &buf[0], sizeof(buf), _("System Radius: %s"), num2strU( sys->radius, 0 ));
      toolkit_drawAltText( x, y, buf);
      return;
   }
 
   /* Handle background. */
   else if (uniedit_viewmode == UNIEDIT_VIEW_BACKGROUND) {
      if (sys->background != NULL) {
         scnprintf( &buf[0], sizeof(buf), _("Background: %s"), sys->background );
         toolkit_drawAltText( x, y, buf);
      }
      return;
   }
 
   /* Handle background. */
   else if (uniedit_viewmode == UNIEDIT_VIEW_ASTEROIDS) {
      if (array_size(sys->asteroids) > 0) {
         int l = 0;
         l = scnprintf( &buf[l], sizeof(buf)-l, _("Density: %g"), sys->asteroid_density );
         for (int i=0; i<array_size(sys->asteroids); i++) {
            AsteroidAnchor *ast = &sys->asteroids[i];
            for (int j=0; j<array_size(ast->groups); j++)
               l += scnprintf( &buf[l], sizeof(buf)-l, "%s%s", (l>0)?"\n":"", ast->groups[j]->name );
         }
         toolkit_drawAltText( x, y, buf);
      }
      return;
   }
 
   /* Handle tech radius. */
   else if (uniedit_viewmode == UNIEDIT_VIEW_TECH) {
      char *techlist[256];
      int ntechs = 0;
      const int len = sizeof(techlist) / sizeof(char*);
      int l;
 
      if (array_size(sys->spobs)==0)
         return;
 
      /* Count spobs. */
      l = 0;
      for (int j=0; j<array_size(sys->spobs); j++) {
         Spob *spob = sys->spobs[j];
         int n;
         char **techs;
         if (spob->tech==NULL)
            continue;
         techs = tech_getItemNames( spob->tech, &n );
         for (int k=0; (k<n) && (ntechs<len-1) ; k++)
            techlist[ ntechs++ ] = techs[k];
         free( techs );
      }
      qsort( techlist, ntechs, sizeof(char*), strsort );
      for (int k=0; k<ntechs; k++) {
         if ((k>0) && (strcmp(techlist[k-1],techlist[k])==0))
            continue;
         l += scnprintf( &buf[l], sizeof(buf)-l, "%s%s", (l>0)?"\n":"", techlist[k] );
      }
      for (int k=0; k<ntechs; k++)
         free( techlist[k] );
 
      toolkit_drawAltText( x, y, buf);
      return;
   }
 
   /* Handle presence sum. */
   else if (uniedit_viewmode == UNIEDIT_VIEW_PRESENCE_SUM) {
      int l;
 
      if (array_size(sys->presence)==0)
         return;
 
      value = 0.;
      for (int j=0; j<array_size(sys->presence); j++)
         value += MAX( sys->presence[j].value, 0. );
 
      /* Count spobs. */
      l = scnprintf( buf, sizeof(buf), _("Total: %.0f"), value );
      for (int j=0; j<array_size(sys->presence); j++) {
         sp = &sys->presence[j];
         if (sp->value<=0.)
            continue;
         l += scnprintf( &buf[l], sizeof(buf)-l, "\n%s: %.0f = %.0f + %.0f", faction_name(sp->faction), sp->value, sp->base, sp->bonus);
      }
      toolkit_drawAltText( x, y, buf);
      return;
   }
 
   /* Handle presence mode. */
   else if (uniedit_viewmode == UNIEDIT_VIEW_PRESENCE) {
      int l;
      int f = uniedit_view_faction;
      if (f < 0)
         return;
 
      /* Total presence. */
      value = system_getPresenceFull( sys, f, &base, &bonus );
      l = scnprintf( buf, sizeof(buf), "#%c%.0f#0 = #%c%.0f#0 + #%c%.0f#0 [%s - %s]",
            getValCol(value), value, getValCol(base), base, getValCol(bonus), bonus,
            _(sys->name), faction_name(f) );
 
      /* Local presence sources. */
      for (int j=0; j<array_size(sys->spobs); j++) {
         Spob *spob = sys->spobs[j];
         if (!getPresenceVal( f, &spob->presence, &base, &bonus ))
            continue;
         l += scnprintf( &buf[l], sizeof(buf)-l, "\n#%c%.0f#0 (#%c%+.0f#0) [%s]",
               getValCol(base), base, getValCol(bonus), bonus, spob_name(spob) );
      }
      for (int j=0; j<array_size(sys->spobs_virtual); j++) {
         VirtualSpob *va = sys->spobs_virtual[j];
         for (int p=0; p<array_size(va->presences); p++) {
            if (!getPresenceVal( f, &va->presences[p], &base, &bonus ))
               continue;
            l += scnprintf( &buf[l], sizeof(buf)-l, "\n#%c%.0f#0 (#%c%+.0f#0) [%s]",
                  getValCol(base), base, getValCol(bonus), bonus, _(va->name) );
         }
      }
 
      /* Find neighbours if possible. */
      for (int k=0; k<array_size(sys->jumps); k++) {
         cur = sys->jumps[k].target;
         for (int j=0; j<array_size(cur->spobs); j++) {
            Spob *spob = cur->spobs[j];
            if (!getPresenceVal( f, &spob->presence, &base, &bonus ))
               continue;
            l += scnprintf( &buf[l], sizeof(buf)-l, "\n#%c%.0f#0 (#%c%+.0f#0) [%s (%s)]",
                  getValCol(base), base*0.5, getValCol(bonus), bonus*0.5, spob_name(spob), _(cur->name) );
         }
         for (int j=0; j<array_size(cur->spobs_virtual); j++) {
            VirtualSpob *va = cur->spobs_virtual[j];
            for (int p=0; p<array_size(va->presences); p++) {
               if (!getPresenceVal( f, &va->presences[p], &base, &bonus ))
                  continue;
               l += scnprintf( &buf[l], sizeof(buf)-l, "\n#%c%.0f#0 (#%c%+.0f#0) [%s (%s)]",
                     getValCol(base), base*0.5, getValCol(bonus), bonus*0.5, _(va->name), _(cur->name) );
            }
         }
      }
 
      toolkit_drawAltText( x, y, buf);
      return;
   }
}
 
static void uniedit_focusLose( unsigned int wid, const char* wgtname )
{
   (void) wid;
   (void) wgtname;
   uniedit_drag = uniedit_dragSys = uniedit_dragSel = 0;
}
 
static int uniedit_mouse( unsigned int wid, SDL_Event* event, double mx, double my,
      double w, double h, double rx, double ry, void *data )
{
   (void) data;
   unsigned int lastClick;
   StarSystem *clickedsys;
   int inselection;
   SDL_Keymod mod;
 
   /* Handle modifiers. */
   mod = SDL_GetModState();
 
   switch (event->type) {
 
      case SDL_MOUSEWHEEL:
         /* Must be in bounds. */
         if ((mx < 0.) || (mx > w) || (my < 0.) || (my > h))
            return 0;
 
         if (event->wheel.y > 0)
            uniedit_buttonZoom( 0, "btnZoomIn" );
         else if (event->wheel.y < 0)
            uniedit_buttonZoom( 0, "btnZoomOut" );
 
         return 1;
 
      case SDL_MOUSEBUTTONDOWN:
         /* Must be in bounds. */
         if ((mx < 60.) || (mx > w) || (my < 0.) || (my > h-130))
            return 0;
         window_setFocus( wid, "cstSysEdit" );
         lastClick = uniedit_lastClick;
         uniedit_lastClick = SDL_GetTicks();
 
         /* Selecting star system */
         mx -= w/2. - uniedit_xpos;
         my -= h/2. - uniedit_ypos;
         mx /= uniedit_zoom;
         my /= uniedit_zoom;
 
         /* Create new system if applicable. */
         if (uniedit_mode == UNIEDIT_NEWSYS) {
            uniedit_newSys( mx, my );
            uniedit_mode = UNIEDIT_DEFAULT;
            return 1;
         }
 
         /* Find clicked system. */
         clickedsys = NULL;
         for (int i=0; i<array_size(systems_stack); i++) {
            StarSystem *sys = system_getIndex(i);
            if ((pow2(mx-sys->pos.x)+pow2(my-sys->pos.y)) > pow2(UNIEDIT_CLICK_THRESHOLD))
               continue;
            clickedsys = sys;
            break;
         }
 
         /* Set jump if applicable. */
         if (clickedsys!=NULL && uniedit_mode==UNIEDIT_JUMP) {
            uniedit_toggleJump( clickedsys );
            uniedit_mode = UNIEDIT_DEFAULT;
            return 1;
         }
 
         /* See if it is selected. */
         inselection = 0;
         if (clickedsys != NULL) {
            for (int i=0; i<array_size(uniedit_sys); i++) {
               if (uniedit_sys[i] != clickedsys)
                  continue;
               inselection = 1;
               break;
            }
         }
 
         /* Handle double click. */
         if (clickedsys!=NULL && inselection && array_size(uniedit_sys)==1) {
            if ((SDL_GetTicks()-lastClick < UNIEDIT_DOUBLECLICK_THRESHOLD)
                  && (uniedit_moved < UNIEDIT_MOVE_THRESHOLD)) {
               sysedit_open( uniedit_sys[0] );
               uniedit_drag = 0;
               uniedit_dragSys = 0;
               uniedit_dragSel = 0;
               return 1;
            }
         }
 
         /* Clicked on selected system. */
         if ((clickedsys != NULL) && inselection) {
            uniedit_dragSys   = 1;
            uniedit_tsys      = clickedsys;
            /* Check modifier. */
            if (mod & (KMOD_LCTRL | KMOD_RCTRL))
               uniedit_tadd      = 0;
            else
               uniedit_tadd      = -1;
            uniedit_moved     = 0;
            return 1;
         }
 
         /* Clicked on non-selected system. */
         if (clickedsys != NULL) {
            /* Add the system if not selected. */
            if (!(mod & (KMOD_LCTRL | KMOD_RCTRL)))
               uniedit_deselect();
            uniedit_selectAdd( clickedsys );
            uniedit_tsys      = NULL;
            return 1;
         }
 
         /* Start dragging. */
         uniedit_moved     = 0;
         uniedit_tsys      = NULL;
         if (mod & (KMOD_LCTRL | KMOD_RCTRL | KMOD_LSHIFT | KMOD_RSHIFT)) {
            if (mod & (KMOD_LSHIFT | KMOD_RSHIFT))
               uniedit_deselect();
            uniedit_dragSel   = 1;
            uniedit_dragSelX  = mx;
            uniedit_dragSelY  = my;
            return 1;
         }
         else {
            uniedit_drag      = 1;
            return 1;
         }
         break;
 
      case SDL_MOUSEBUTTONUP:
         if (uniedit_drag) {
            if ((SDL_GetTicks()-uniedit_lastClick < UNIEDIT_DRAG_THRESHOLD) && (uniedit_moved < UNIEDIT_MOVE_THRESHOLD)) {
               if (uniedit_tsys == NULL)
                  uniedit_deselect();
               else
                  uniedit_selectAdd( uniedit_tsys );
            }
            uniedit_drag      = 0;
         }
         if (uniedit_dragSys) {
            if ((SDL_GetTicks()-uniedit_lastClick < UNIEDIT_DRAG_THRESHOLD) &&
                  (uniedit_moved < UNIEDIT_MOVE_THRESHOLD) && (uniedit_tsys != NULL)) {
               if (uniedit_tadd == 0)
                  uniedit_selectRm( uniedit_tsys );
               else {
                  uniedit_deselect();
                  uniedit_selectAdd( uniedit_tsys );
               }
            }
            uniedit_dragSys   = 0;
            if (conf.devautosave)
               for (int i=0; i<array_size(uniedit_sys); i++)
                  dsys_saveSystem(uniedit_sys[i]);
         }
         if (uniedit_dragSel) {
            double l, r, b, t;
 
            /* Selecting star system */
            mx -= w/2. - uniedit_xpos;
            my -= h/2. - uniedit_ypos;
            mx /= uniedit_zoom;
            my /= uniedit_zoom;
 
            /* Get bounds. */
            l = MIN( uniedit_dragSelX, mx );
            r = MAX( uniedit_dragSelX, mx );
            b = MIN( uniedit_dragSelY, my );
            t = MAX( uniedit_dragSelY, my );
 
            for (int i=0; i<array_size(systems_stack); i++) {
               StarSystem *sys = &systems_stack[i];
               double x = sys->pos.x;
               double y = sys->pos.y;
               if ((x >= l) && (x <= r) && (y >= b) && (y <= t))
                  uniedit_selectAdd( sys );
            }
 
            uniedit_dragSel = 0;
         }
         break;
 
      case SDL_MOUSEMOTION:
         /* Update mouse positions. */
         uniedit_mx  = mx;
         uniedit_my  = my;
 
         /* Handle dragging. */
         if (uniedit_drag) {
            /* axis is inverted */
            uniedit_xpos -= rx;
            uniedit_ypos += ry;
 
            /* Update mouse movement. */
            uniedit_moved += ABS(rx) + ABS(ry);
         }
         else if (uniedit_dragSys && (array_size(uniedit_sys) > 0)) {
            if ((uniedit_moved > UNIEDIT_MOVE_THRESHOLD) || (SDL_GetTicks() - uniedit_lastClick > UNIEDIT_DRAG_THRESHOLD)) {
               for (int i=0; i<array_size(uniedit_sys); i++) {
                  uniedit_sys[i]->pos.x += rx / uniedit_zoom;
                  uniedit_sys[i]->pos.y -= ry / uniedit_zoom;
               }
            }
 
            /* Update mouse movement. */
            uniedit_moved += ABS(rx) + ABS(ry);
         }
         break;
   }
 
   return 0;
}
 
static int uniedit_checkName( const char *name )
{
   /* Avoid name collisions. */
   for (int i=0; i<array_size(systems_stack); i++) {
      if (strcmp(name, system_getIndex(i)->name)==0) {
         dialogue_alert( _("The Star System '%s' already exists!"), name );
         return 1;
      }
   }
   return 0;
}
 
char *uniedit_nameFilter( const char *name )
{
   char *out = calloc( 1, (strlen(name)+1)  );
   int pos = 0;
   for (int i=0; i<(int)strlen(name); i++) {
      if (!ispunct(name[i])) {
         if (name[i] == ' ')
            out[pos] = '_';
         else
            out[pos] = tolower(name[i]);
         pos++;
      }
   }
 
   return out;
}
 
static void uniedit_renameSys (void)
{
   for (int i=0; i<array_size(uniedit_sys); i++) {
      char *name, *oldName, *newName, *filtered;
      StarSystem *sys = uniedit_sys[i];
 
      /* Get name. */
      name = dialogue_input( _("Rename Star System"), 1, 32, _("What do you want to rename #r%s#0?"), sys->name );
 
      /* Keep current name. */
      if (name == NULL)
         continue;
 
      /* Try again. */
      if (uniedit_checkName( name )) {
         free(name);
         i--;
         continue;
      }
 
      /* Change the name. */
      filtered = uniedit_nameFilter(sys->name);
      asprintf(&oldName, "dat/ssys/%s.xml", filtered);
      free(filtered);
 
      filtered = uniedit_nameFilter(name);
      asprintf(&newName, "dat/ssys/%s.xml", filtered);
      free(filtered);
 
      rename(oldName, newName);
 
      free(oldName);
      free(newName);
      free(sys->name);
 
      sys->name = name;
      dsys_saveSystem(sys);
 
      /* Re-save adjacent systems. */
      for (int j=0; j<array_size(sys->jumps); j++)
         dsys_saveSystem( sys->jumps[j].target );
   }
}
 
static void uniedit_newSys( double x, double y )
{
   char *name;
   StarSystem *sys;
 
   /* Get name. */
   name = dialogue_inputRaw( _("New Star System Creation"), 1, 32, _("What do you want to name the new system?") );
 
   /* Abort. */
   if (name == NULL) {
      dialogue_alert( _("Star System creation aborted!") );
      return;
   }
 
   /* Make sure there is no collision. */
   if (uniedit_checkName( name )) {
      free(name);
      uniedit_newSys( x, y );
      return;
   }
 
   /* Create the system. */
   sys         = system_new();
   sys->name   = name;
   sys->pos.x  = x;
   sys->pos.y  = y;
   sys->stars  = STARS_DENSITY_DEFAULT;
   sys->radius = RADIUS_DEFAULT;
 
   /* Select new system. */
   uniedit_deselect();
   uniedit_selectAdd( sys );
 
   if (conf.devautosave)
      dsys_saveSystem( sys );
}
 
static void uniedit_toggleJump( StarSystem *sys )
{
   StarSystem *isys = NULL;
   for (int i=0; i<array_size(uniedit_sys); i++) {
      int rm = 0;
      isys   = uniedit_sys[i];
      for (int j=0; j<array_size(isys->jumps); j++) {
         StarSystem *target = isys->jumps[j].target;
         /* Target already exists, remove. */
         if (target == sys) {
            uniedit_jumpRm( isys, sys );
            uniedit_jumpRm( sys, isys );
            rm = 1;
            break;
         }
      }
      /* Target doesn't exist, add. */
      if (!rm) {
         uniedit_jumpAdd( isys, sys );
         uniedit_jumpAdd( sys, isys );
      }
   }
 
   /* Reconstruct jumps just in case. */
   systems_reconstructJumps();
 
   /* Reconstruct universe presences. */
   space_reconstructPresences();
   safelanes_recalculate();
 
   if (conf.devautosave) {
      dsys_saveSystem( sys );
      if (isys != NULL)
         dsys_saveSystem( isys );
   }
 
   /* Update sidebar text. */
   uniedit_selectText();
}
 
static void uniedit_jumpAdd( StarSystem *sys, StarSystem *targ )
{
   /* Add the jump. */
   JumpPoint *jp = &array_grow( &sys->jumps );
   memset( jp, 0, sizeof(JumpPoint) );
 
   /* Fill it out with basics. */
   jp->target  = targ;
   jp->targetid = targ->id;
   jp->radius  = 200.;
   jp->flags   = JP_AUTOPOS; /* Will automatically create position. */
   jp->hide    = HIDE_DEFAULT_JUMP;
}
 
static void uniedit_jumpRm( StarSystem *sys, StarSystem *targ )
{
   int i;
 
   /* Find associated jump. */
   for (i=0; i<array_size(sys->jumps); i++)
      if (sys->jumps[i].target == targ)
         break;
 
   /* Not found. */
   if (i >= array_size(sys->jumps)) {
      WARN(_("Jump for system '%s' not found in system '%s' for removal."), targ->name, sys->name);
      return;
   }
 
   /* Remove the jump. */
   array_erase( &sys->jumps, &sys->jumps[i], &sys->jumps[i+1] );
}
 
static void uniedit_deselect (void)
{
   array_free(uniedit_sys);
   uniedit_sys = NULL;
 
   /* Change window stuff. */
   window_disableButton( uniedit_wid, "btnJump" );
   window_disableButton( uniedit_wid, "btnRename" );
   window_disableButton( uniedit_wid, "btnEdit" );
   window_disableButton( uniedit_wid, "btnOpen" );
   window_modifyText( uniedit_wid, "txtSelected", _("No selection") );
   window_modifyText( uniedit_wid, "txtNebula", _("N/A") );
   window_modifyText( uniedit_wid, "txtPresence", _("N/A") );
}
 
static void uniedit_selectAdd( StarSystem *sys )
{
   if (uniedit_sys == NULL)
      uniedit_sys = array_create( StarSystem* );
 
   array_push_back( &uniedit_sys, sys );
 
   /* Set text again. */
   uniedit_selectText();
 
   /* Enable buttons again. */
   window_enableButton( uniedit_wid, "btnJump" );
   window_enableButton( uniedit_wid, "btnRename" );
   window_enableButton( uniedit_wid, "btnEdit" );
   if (array_size(uniedit_sys) == 1)
      window_enableButton( uniedit_wid, "btnOpen" );
   else
      window_disableButton( uniedit_wid, "btnOpen" );
}
 
static void uniedit_selectRm( StarSystem *sys )
{
   for (int i=0; i<array_size(uniedit_sys); i++) {
      if (uniedit_sys[i] == sys) {
         array_erase( &uniedit_sys, &uniedit_sys[i], &uniedit_sys[i+1] );
         uniedit_selectText();
         if (array_size(uniedit_sys) == 1)
            window_enableButton( uniedit_wid, "btnOpen" );
         else
            window_disableButton( uniedit_wid, "btnOpen" );
         return;
      }
   }
   WARN(_("Trying to remove system '%s' from selection when not selected."), sys->name);
}
 
void uniedit_selectText (void)
{
   int l;
   char buf[STRMAX];
 
   l = 0;
   for (int i=0; i<array_size(uniedit_sys); i++) {
      l += scnprintf( &buf[l], sizeof(buf)-l, "%s%s", uniedit_sys[i]->name,
            (i == array_size(uniedit_sys)-1) ? "" : ", " );
   }
   if (l == 0)
      uniedit_deselect();
   else {
      window_modifyText( uniedit_wid, "txtSelected", buf );
 
      /* Presence text. */
      if (array_size(uniedit_sys) == 1) {
         StarSystem *sys = uniedit_sys[0];
         map_updateFactionPresence( uniedit_wid, "txtPresence", sys, 1 );
 
         if (sys->nebu_density<=0.)
            snprintf( buf, sizeof(buf), _("None") );
         else
            snprintf( buf, sizeof(buf), _("%.0f Density\n%.1f Volatility"), sys->nebu_density, sys->nebu_volatility);
         window_modifyText( uniedit_wid, "txtNebula", buf );
      }
      else {
         window_modifyText( uniedit_wid, "txtNebula", _("Multiple selected") );
         window_modifyText( uniedit_wid, "txtPresence", _("Multiple selected") );
      }
   }
}
 
static void uniedit_buttonZoom( unsigned int wid, const char* str )
{
   (void) wid;
   /* Transform coords to normal. */
   uniedit_xpos /= uniedit_zoom;
   uniedit_ypos /= uniedit_zoom;
 
   /* Apply zoom. */
   if (strcmp(str,"btnZoomIn")==0) {
      uniedit_zoom *= UNIEDIT_ZOOM_STEP;
      uniedit_zoom = MIN(pow(UNIEDIT_ZOOM_STEP, UNIEDIT_ZOOM_MAX), uniedit_zoom);
   }
   else if (strcmp(str,"btnZoomOut")==0) {
      uniedit_zoom /= UNIEDIT_ZOOM_STEP;
      uniedit_zoom = MAX(pow(UNIEDIT_ZOOM_STEP, UNIEDIT_ZOOM_MIN), uniedit_zoom);
   }
 
   /* Transform coords back. */
   uniedit_xpos *= uniedit_zoom;
   uniedit_ypos *= uniedit_zoom;
}
 
static void uniedit_findSys (void)
{
   unsigned int wid;
   int x, y;
 
   x = 40;
 
   /* Create the window. */
   wid = window_create( "wdwFindSystemsandSpobs", _("Find Systems and Spobs"), x, -1, UNIEDIT_FIND_WIDTH, UNIEDIT_FIND_HEIGHT );
   uniedit_widFind = wid;
 
   x = 20;
 
   /* Close button. */
   window_addButton( wid, -20, 20, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnClose", _("Close"), uniedit_findSysClose );
 
   /* Find input widget. */
   y = -45;
   window_addInput( wid, x, y, UNIEDIT_FIND_WIDTH - 40, 20,
         "inpFind", 32, 1, NULL );
   window_setInputCallback( wid, "inpFind", uniedit_findSearch );
 
   /* Close when escape is pressed. */
   window_setCancel( wid, uniedit_findSysClose );
 
   /* Generate the list. */
   uniedit_findSearch( wid, NULL );
 
   /* Focus the input widget. */
   window_setFocus( wid, "inpFind" );
}
 
static void uniedit_findSearch( unsigned int wid, const char *str )
{
   (void) str;
   int n, nspobs, nsystems;
   const char *name;
   char **spobs, **systems;
   map_find_t *found;
 
   name = window_getInput( wid, "inpFind" );
 
   /* Search for names. */
   spobs = spob_searchFuzzyCase( name, &nspobs );
   systems = system_searchFuzzyCase( name, &nsystems );
 
   free(found_cur);
   found_cur = NULL;
 
   /* Construct found table. */
   found = malloc( sizeof(map_find_t) * (nspobs + nsystems) );
   n = 0;
 
   /* Add spobs to the found table. */
   for (int i=0; i<nspobs; i++) {
      /* Spob must be real. */
      Spob *spob = spob_get( spobs[i] );
      if (spob == NULL)
         continue;
 
      char *sysname = spob_getSystem( spobs[i] );
      if (sysname == NULL)
         continue;
 
      StarSystem *sys = system_get( sysname );
      if (sys == NULL)
         continue;
 
      /* Set some values. */
      found[n].spob     = spob;
      found[n].sys      = sys;
 
      /* Set fancy name. */
      snprintf( found[n].display, sizeof(found[n].display),
            _("%s (%s system)"), spobs[i], sys->name );
      n++;
   }
   free(spobs);
 
   /* Add systems to the found table. */
   for (int i=0; i<nsystems; i++) {
      StarSystem *sys = system_get( systems[i] );
 
      /* Set some values. */
      found[n].spob     = NULL;
      found[n].sys      = sys;
 
      strncpy(found[n].display, sys->name, sizeof(found[n].display)-1);
      n++;
   }
   free(systems);
 
   /* Globals. */
   found_cur  = found;
   found_ncur = n;
 
   /* Display results. */
   uniedit_findShowResults( wid, found, n );
}
 
static void uniedit_findShowResults( unsigned int wid, map_find_t *found, int n )
{
   int y, h;
   char **str;
 
   /* Destroy if exists. */
   if (widget_exists( wid, "lstResults" ))
      window_destroyWidget( wid, "lstResults" );
 
   y = -45 - BUTTON_HEIGHT - 20;
 
   if (n == 0) {
      str    = malloc( sizeof(char*) );
      str[0] = strdup(_("None"));
      n      = 1;
   }
   else {
      qsort( found, n, sizeof(map_find_t), uniedit_sortCompare );
 
      str = malloc( sizeof(char*) * n );
      for (int i=0; i<n; i++)
         str[i] = strdup( found[i].display );
   }
 
   /* Add list. */
   h = UNIEDIT_FIND_HEIGHT + y - BUTTON_HEIGHT - 30;
   window_addList( wid, 20, y, UNIEDIT_FIND_WIDTH-40, h,
         "lstResults", str, n, 0, uniedit_centerSystem, NULL );
}
 
static void uniedit_findSysClose( unsigned int wid, const char *name )
{
   /* Clean up if necessary. */
   free( found_cur );
   found_cur = NULL;
 
   /* Close the window. */
   window_close( wid, name );
}
 
static void uniedit_centerSystem( unsigned int wid, const char *unused )
{
   (void) unused;
   StarSystem *sys;
   int pos;
 
   /* Make sure it's valid. */
   if (found_ncur == 0 || found_cur == NULL)
      return;
 
   pos = toolkit_getListPos( wid, "lstResults" );
   sys = found_cur[ pos ].sys;
 
   if (sys == NULL)
      return;
 
   /* Center. */
   uniedit_xpos = sys->pos.x * uniedit_zoom;
   uniedit_ypos = sys->pos.y * uniedit_zoom;
}
 
static int uniedit_sortCompare( const void *p1, const void *p2 )
{
   map_find_t *f1, *f2;
 
   /* Convert pointer. */
   f1 = (map_find_t*) p1;
   f2 = (map_find_t*) p2;
 
   /* Sort by name, nothing more. */
   return strcasecmp( f1->sys->name, f2->sys->name );
}
 
static void uniedit_editSys (void)
{
   unsigned int wid;
   int x, y, l;
   char buf[STRMAX_SHORT];
   const char *s;
   StarSystem *sys;
 
   /* Must have a system. */
   if (array_size(uniedit_sys)==0)
      return;
   sys = uniedit_sys[0];
 
   /* Create the window. */
   wid = window_create( "wdwStarSystemPropertyEditor", _("Star System Property Editor"), -1, -1, UNIEDIT_EDIT_WIDTH, UNIEDIT_EDIT_HEIGHT );
   uniedit_widEdit = wid;
   window_setCancel( wid, uniedit_editSysClose );
 
   x = 20;
 
   /* Close button. */
   window_addButton( wid, -20, 20, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnClose", _("Close"), uniedit_editSysClose );
 
   /* Rename button. */
   y = -45;
   snprintf( buf, sizeof(buf), "%s #n%s", _("Name:"), (array_size(uniedit_sys) > 1) ? _("#rvarious") : uniedit_sys[0]->name );
   window_addText( wid, x, y, 180, 15, 0, "txtName", &gl_smallFont, NULL, buf );
   window_addButton( wid, 200, y+3, BUTTON_WIDTH, 21, "btnRename", _("Rename"), uniedit_btnEditRename );
 
   /* New row. */
   y -= gl_defFont.h + 15;
 
   /* Add general stats */
   s = _("Radius");
   l = gl_printWidthRaw( NULL, s );
   window_addText( wid, x, y, l, 20, 1, "txtRadius",
         NULL, NULL, s );
   window_addInput( wid, x += l + 7, y, 80, 20, "inpRadius", 10, 1, NULL );
   window_setInputFilter( wid, "inpRadius", INPUT_FILTER_NUMBER );
   x += 80 + 12;
   s = _("(Scales spob positions)");
   l = gl_printWidthRaw( NULL, s );
   window_addText( wid, x, y, l, 20, 1, "txtRadiusComment",
         NULL, NULL, s );
 
   /* New row. */
   x = 20;
   y -= gl_defFont.h + 15;
 
   s = _("Stars");
   l = gl_printWidthRaw( NULL, s );
   window_addText( wid, x, y, l, 20, 1, "txtStars",
         NULL, NULL, s );
   window_addInput( wid, x += l + 7, y, 50, 20, "inpStars", 4, 1, NULL );
   window_setInputFilter( wid, "inpStars", INPUT_FILTER_NUMBER );
   x += 50 + 12;
 
   s = _("Interference");
   l = gl_printWidthRaw( NULL, s );
   window_addText( wid, x, y, l, 20, 1, "txtInterference",
         NULL, NULL, s );
   window_addInput( wid, x += l + 7, y, 55, 20, "inpInterference", 5, 1, NULL );
   window_setInputFilter( wid, "inpInterference", INPUT_FILTER_NUMBER );
 
   /* New row. */
   x = 20;
   y -= gl_defFont.h + 15;
 
   s = _("Nebula");
   l = gl_printWidthRaw( NULL, s );
   window_addText( wid, x, y, l, 20, 1, "txtNebula",
         NULL, NULL, s );
   window_addInput( wid, x += l + 7, y, 50, 20, "inpNebula", 4, 1, NULL );
   window_setInputFilter( wid, "inpNebula", INPUT_FILTER_NUMBER );
   x += 50 + 12;
 
   s = _("Volatility");
   l = gl_printWidthRaw( NULL, s );
   window_addText( wid, x, y, l, 20, 1, "txtVolatility",
         NULL, NULL, s );
   window_addInput( wid, x += l + 7, y, 50, 20, "inpVolatility", 4, 1, NULL );
   window_setInputFilter( wid, "inpVolatility", INPUT_FILTER_NUMBER );
   x += 50 + 12;
 
   s = _("Hue");
   l = gl_printWidthRaw( NULL, s );
   window_addText( wid, x, y, l, 20, 1, "txtHue",
         NULL, NULL, s );
   window_addInput( wid, x += l + 7, y, 50, 20, "inpHue", 4, 1, NULL );
   window_setInputFilter( wid, "inpHue", INPUT_FILTER_NUMBER );
   x += 50 + 12;
 
   /* Load values */
   snprintf( buf, sizeof(buf), "%g", sys->radius );
   window_setInput( wid, "inpRadius", buf );
   snprintf( buf, sizeof(buf), "%d", sys->stars );
   window_setInput( wid, "inpStars", buf );
   snprintf( buf, sizeof(buf), "%g", sys->interference );
   window_setInput( wid, "inpInterference", buf );
   snprintf( buf, sizeof(buf), "%g", sys->nebu_density );
   window_setInput( wid, "inpNebula", buf );
   snprintf( buf, sizeof(buf), "%g", sys->nebu_volatility );
   window_setInput( wid, "inpVolatility", buf );
   snprintf( buf, sizeof(buf), "%g", sys->nebu_hue*360. );
   window_setInput( wid, "inpHue", buf );
 
   /* Generate the list. */
   uniedit_editGenList( wid );
}
 
static void uniedit_editGenList( unsigned int wid )
{
   int j, n;
   StarSystem *sys;
   const VirtualSpob *va;
   char **str;
   int y, h, has_spobs;
 
   /* Destroy if exists. */
   if (widget_exists( wid, "lstSpobs" ))
      window_destroyWidget( wid, "lstSpobs" );
 
   y = -175;
 
   /* Check to see if it actually has virtual spobs. */
   sys   = uniedit_sys[0];
   n     = array_size( sys->spobs_virtual );
   has_spobs = !!n;
 
   /* Generate list. */
   j     = 0;
   str   = malloc( sizeof(char*) * (n+1) );
   if (has_spobs) {
      /* Virtual spob button. */
      for (int i=0; i<n; i++) {
         va    = sys->spobs_virtual[i];
         str[j++] = strdup( va->name );
      }
   }
   else
      str[j++] = strdup(_("None"));
 
   /* Add list. */
   h = UNIEDIT_EDIT_HEIGHT+y-20 - 2*(BUTTON_HEIGHT+20);
   window_addList( wid, 20, y, UNIEDIT_EDIT_WIDTH-40, h,
         "lstSpobs", str, j, 0, NULL, NULL );
   y -= h + 20;
 
   /* Add buttons if needed. */
   if (!widget_exists( wid, "btnRmSpob" ))
      window_addButton( wid, -20, y+3, BUTTON_WIDTH, BUTTON_HEIGHT,
            "btnRmSpob", _("Remove"), uniedit_btnEditRmSpob );
   if (!widget_exists( wid, "btnAddSpob" ))
      window_addButton( wid, -40-BUTTON_WIDTH, y+3, BUTTON_WIDTH, BUTTON_HEIGHT,
            "btnAddSpob", _("Add"), uniedit_btnEditAddSpob );
}
 
static void uniedit_editSysClose( unsigned int wid, const char *name )
{
   StarSystem *sys;
   double scale;
 
   /* We already know the system exists because we checked when opening the dialog. */
   sys   = uniedit_sys[0];
 
   /* Changes in radius need to scale the system spob positions. */
   scale = atof(window_getInput( wid, "inpRadius" )) / sys->radius;
   sysedit_sysScale(sys, scale);
 
   sys->stars           = atoi(window_getInput( wid, "inpStars" ));
   sys->interference    = atof(window_getInput( wid, "inpInterference" ));
   sys->nebu_density    = atof(window_getInput( wid, "inpNebula" ));
   sys->nebu_volatility = atof(window_getInput( wid, "inpVolatility" ));
   sys->nebu_hue        = atof(window_getInput( wid, "inpHue" )) / 360.;
 
   /* Reconstruct universe presences. */
   space_reconstructPresences();
   safelanes_recalculate();
 
   /* Text might need changing. */
   uniedit_selectText();
 
   if (conf.devautosave)
      dsys_saveSystem( uniedit_sys[0] );
 
   /* Close the window. */
   window_close( wid, name );
}
 
static void uniedit_btnEditRmSpob( unsigned int wid, const char *unused )
{
   (void) unused;
   const char *selected;
   int ret;
 
   /* Get selection. */
   selected = toolkit_getList( wid, "lstSpobs" );
 
   /* Make sure it's valid. */
   if ((selected==NULL) || (strcmp(selected,_("None"))==0))
      return;
 
   /* Remove the spob. */
   ret = system_rmVirtualSpob( uniedit_sys[0], selected );
   if (ret != 0) {
      dialogue_alert( _("Failed to remove virtual spob '%s'!"), selected );
      return;
   }
 
   /* Update economy due to galaxy modification. */
   economy_execQueued();
 
   uniedit_editGenList( wid );
}
 
static void uniedit_btnEditAddSpob( unsigned int parent, const char *unused )
{
   (void) parent;
   (void) unused;
   unsigned int wid;
   const VirtualSpob *va;
   char **str;
   int h;
 
   /* Get all spobs. */
   va  = virtualspob_getAll();
   if (array_size(va)==0) {
      dialogue_alert( _("No virtual spobs to add! Please add virtual spobs to the '%s' directory first."), VIRTUALSPOB_DATA_PATH );
      return;
   }
 
   /* Create the window. */
   wid = window_create( "wdwAddaVirtualSpob", _("Add a Virtual Spob"), -1, -1, UNIEDIT_EDIT_WIDTH, UNIEDIT_EDIT_HEIGHT );
   window_setCancel( wid, window_close );
 
   /* Add virtual spob list. */
   str = malloc( sizeof(char*) * array_size(va) );
   for (int i=0; i<array_size(va); i++)
      str[i] = strdup( va[i].name );
   h = UNIEDIT_EDIT_HEIGHT-60-(BUTTON_HEIGHT+20);
   window_addList( wid, 20, -40, UNIEDIT_EDIT_WIDTH-40, h,
         "lstSpobs", str, array_size(va), 0, NULL, NULL );
 
   /* Close button. */
   window_addButton( wid, -20, 20, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnClose", _("Close"), window_close );
 
   /* Add button. */
   window_addButton( wid, -20-(BUTTON_WIDTH+20), 20, BUTTON_WIDTH, BUTTON_HEIGHT,
         "btnAdd", _("Add"), uniedit_btnEditAddSpobAdd );
}
 
static void uniedit_btnEditAddSpobAdd( unsigned int wid, const char *unused )
{
   const char *selected;
   int ret;
 
   /* Get selection. */
   selected = toolkit_getList( wid, "lstSpobs" );
   if (selected == NULL)
      return;
 
   /* Add virtual presence. */
   ret = system_addVirtualSpob( uniedit_sys[0], selected );
   if (ret != 0) {
      dialogue_alert( _("Failed to add virtual spob '%s'!"), selected );
      return;
   }
 
   /* Update economy due to galaxy modification. */
   economy_execQueued();
 
   /* Regenerate the list. */
   uniedit_editGenList( uniedit_widEdit );
 
   if (conf.devautosave)
      dsys_saveSystem( uniedit_sys[0] );
 
   /* Close the window. */
   window_close( wid, unused );
}
 
static void uniedit_btnEditRename( unsigned int wid, const char *unused )
{
   (void) unused;
   char buf[STRMAX_SHORT];
 
   /* Rename systems. */
   uniedit_renameSys();
 
   /* Update text. */
   snprintf( buf, sizeof(buf), "%s #n%s", _("Name:"), (array_size(uniedit_sys) > 1) ? _("#rvarious") : uniedit_sys[0]->name );
   window_modifyText( wid, "txtName", buf );
}
 
static void uniedit_btnViewModeSet( unsigned int wid, const char *unused )
{
   const char *selected;
   int pos;
 
   /* Check default. */
   pos = toolkit_getListPos( wid, "lstViewModes" );
   uniedit_view_faction = -1;
   if (pos==0) {
      uniedit_viewmode = UNIEDIT_VIEW_DEFAULT;
      window_close( wid, unused );
      return;
   }
   else if (pos==1) {
      uniedit_viewmode = UNIEDIT_VIEW_VIRTUALSPOBS;
      window_close( wid, unused );
      return;
   }
   else if (pos==2) {
      uniedit_viewmode = UNIEDIT_VIEW_RADIUS;
      window_close( wid, unused );
      return;
   }
   else if (pos==3) {
      uniedit_viewmode = UNIEDIT_VIEW_BACKGROUND;
      window_close( wid, unused );
      return;
   }
   else if (pos==4) {
      uniedit_viewmode = UNIEDIT_VIEW_ASTEROIDS;
      window_close( wid, unused );
      return;
   }
   else if (pos==5) {
      uniedit_viewmode = UNIEDIT_VIEW_TECH;
      window_close( wid, unused );
      return;
   }
   else if (pos==6) {
      uniedit_viewmode = UNIEDIT_VIEW_PRESENCE_SUM;
      window_close( wid, unused );
      return;
   }
 
   /* Get selection. */
   selected = toolkit_getList( wid, "lstViewModes" );
   if (selected == NULL)
      return;
 
   uniedit_viewmode = UNIEDIT_VIEW_PRESENCE;
   uniedit_view_faction = faction_get( selected );
 
   /* Close the window. */
   window_close( wid, unused );
}