/**
* @brief Gets all the adjacent systems to a system.
*
* @usage for _,s in ipairs( sys:adjacentSystems() ) do -- Iterate over adjacent systems.
*
* @luatparam System s System to get adjacent systems of.
* @luatparam[opt=false] boolean hidden Whether or not to show hidden jumps also.
* @luatreturn {System,...} An ordered table with all the adjacent systems.
* @luafunc adjacentSystems( s, hidden )
*/
static int systemL_adjacent( lua_State *L )
{
int i, id, h;
LuaSystem sysp;
StarSystem *s;
id = 1;
s = luaL_validsystem(L,1);
h = lua_toboolean(L,2);
/* Push all adjacent systems. */
lua_newtable(L);
for (i=0; i<s->njumps; i++) {
if (jp_isFlag(&s->jumps[i], JP_EXITONLY ))
continue;
if (!h && jp_isFlag(&s->jumps[i], JP_HIDDEN))
continue;
sysp = system_index( s->jumps[i].target );
lua_pushnumber(L, id); /* key. */
lua_pushsystem(L, sysp); /* value. */
lua_rawset(L,-3);
id++;
}
return 1;
}
/**
* @brief Check to see if a jump point is in sensor range of the pilot.
*
* @param p Pilot who is trying to check to see if the jump point is in sensor range.
* @param target Jump point to see if is in sensor range.
* @return 1 if they are in range, 0 if they aren't.
*/
int pilot_inRangeJump( const Pilot *p, int i )
{
double d;
JumpPoint *jp;
double sense;
double hide;
/* pilot must exist */
if ( p == NULL )
return 0;
/* Get the jump point. */
jp = &cur_system->jumps[i];
/* We don't want exit-only or unknown hidden jumps. */
if ((jp_isFlag(jp, JP_EXITONLY)) || ((jp_isFlag(jp, JP_HIDDEN)) && (!jp_isKnown(jp)) ))
return 0;
sense = sensor_curRange * p->ew_jumpDetect;
hide = jp->hide;
/* Get distance. */
d = vect_dist2( &p->solid->pos, &jp->pos );
if (d * hide < sense)
return 1;
return 0;
}
/**
* @brief Check to see if a jump point is in sensor range of the pilot.
*
* @param p Pilot who is trying to check to see if the jump point is in sensor range.
* @param target Jump point to see if is in sensor range.
* @return 1 if they are in range, 0 if they aren't.
*/
int pilot_inRangeJump( const Pilot *p, int i )
{
double d;
JumpPoint *jp;
double sense;
double hide;
/* pilot must exist */
if ( p == NULL )
return 0;
/* Get the jump point. */
jp = &cur_system->jumps[i];
/* We don't want exit-only jumps. */
if (jp_isFlag(jp, JP_EXITONLY))
return 0;
/* Handle hidden jumps separately, as they use a special range parameter. */
if (jp_isFlag(jp, JP_HIDDEN))
sense = pow(p->stats.misc_hidden_jump_detect, 2);
else
sense = sensor_curRange * p->ew_jump_detect;
hide = jp->hide;
/* Get distance. */
d = vect_dist2( &p->solid->pos, &jp->pos );
if (d * hide < sense)
return 1;
return 0;
}
/**
* @brief Checks whether a jump is exit-only.
*
* @usage if jump.exitonly("Eneguoz", "Zied") then -- The jump point in Eneguoz cannot be entered.
* @luaparam j Jump to get the exit-only status of.
* @luareturn Whether the jump is exit-only.
* @luafunc exitonly( j )
*/
static int jumpL_exitonly( lua_State *L )
{
JumpPoint *jp;
jp = luaL_validjump(L,1);
lua_pushboolean(L, jp_isFlag(jp, JP_EXITONLY) );
return 1;
}
/**
* @brief Checks whether a jump is hidden.
*
* @usage if not j:hidden() then -- Exclude hidden jumps.
* @luaparam j Jump to get the hidden status of.
* @luareturn Whether the jump is hidden.
* @luafunc hidden( j )
*/
static int jumpL_hidden( lua_State *L )
{
JumpPoint *jp;
jp = luaL_validjump(L,1);
lua_pushboolean(L, jp_isFlag(jp, JP_HIDDEN) );
return 1;
}
/**
* @brief Gets all the jumps in a system.
*
* @usage for _,s in ipairs( sys:jumps() ) do -- Iterate over jumps.
*
* @luaparam s System to get the jumps of.
* @luaparam exitonly Whether to exclude exit-only jumps (default false).
* @luareturn An ordered table with all the jumps.
* @luafunc jumps( s )
*/
static int systemL_jumps( lua_State *L )
{
int i, exitonly, pushed;
LuaJump lj;
StarSystem *s;
s = luaL_validsystem(L,1);
exitonly = lua_toboolean(L,2);
pushed = 0;
/* Push all jumps. */
lua_newtable(L);
for (i=0; i<s->njumps; i++) {
/* Skip exit-only jumps if requested. */
if ((exitonly) && (jp_isFlag( jump_getTarget( s->jumps[i].target, s ),
JP_EXITONLY)))
continue;
lj.srcid = s->id;
lj.destid = s->jumps[i].targetid;
lua_pushnumber(L,++pushed); /* key. */
lua_pushjump(L,lj); /* value. */
lua_rawset(L,-3);
}
return 1;
}
/**
* @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 Saves a star system.
*
* @param writer Write to use for saving the star system.
* @param sys Star system to save.
* @return 0 on success.
*/
int dsys_saveSystem( StarSystem *sys )
{
int i;
xmlDocPtr doc;
xmlTextWriterPtr writer;
const Planet **sorted_planets;
const JumpPoint **sorted_jumps, *jp;
char file[PATH_MAX], *cleanName;
/* Reconstruct jumps so jump pos are updated. */
system_reconstructJumps(sys);
/* Create the writer. */
writer = xmlNewTextWriterDoc(&doc, 0);
if (writer == NULL) {
WARN("testXmlwriterDoc: Error creating the xml writer");
return -1;
}
/* Set the writer parameters. */
xmlw_setParams( writer );
/* Start writer. */
xmlw_start(writer);
xmlw_startElem( writer, "ssys" );
/* Attributes. */
xmlw_attr( writer, "name", "%s", sys->name );
/* General. */
xmlw_startElem( writer, "general" );
if (sys->background != NULL)
xmlw_elem( writer, "background", "%s", sys->background );
xmlw_elem( writer, "radius", "%f", sys->radius );
xmlw_elem( writer, "stars", "%d", sys->stars );
xmlw_elem( writer, "interference", "%f", sys->interference );
xmlw_startElem( writer, "nebula" );
xmlw_attr( writer, "volatility", "%f", sys->nebu_volatility );
xmlw_str( writer, "%f", sys->nebu_density );
xmlw_endElem( writer ); /* "nebula" */
xmlw_endElem( writer ); /* "general" */
/* Position. */
xmlw_startElem( writer, "pos" );
xmlw_elem( writer, "x", "%f", sys->pos.x );
xmlw_elem( writer, "y", "%f", sys->pos.y );
xmlw_endElem( writer ); /* "pos" */
/* Planets. */
sorted_planets = malloc( sizeof(Planet*) * sys->nplanets);
memcpy( sorted_planets, sys->planets, sizeof(Planet*) * sys->nplanets );
qsort( sorted_planets, sys->nplanets, sizeof(Planet*), dsys_compPlanet );
xmlw_startElem( writer, "assets" );
for (i=0; i<sys->nplanets; i++)
xmlw_elem( writer, "asset", "%s", sorted_planets[i]->name );
xmlw_endElem( writer ); /* "assets" */
free(sorted_planets);
/* Jumps. */
sorted_jumps = malloc( sizeof(JumpPoint*) * sys->njumps );
for (i=0; i<sys->njumps; i++)
sorted_jumps[i] = &sys->jumps[i];
qsort( sorted_jumps, sys->njumps, sizeof(JumpPoint*), dsys_compJump );
xmlw_startElem( writer, "jumps" );
for (i=0; i<sys->njumps; i++) {
jp = sorted_jumps[i];
xmlw_startElem( writer, "jump" );
xmlw_attr( writer, "target", "%s", jp->target->name );
/* Position. */
if (!jp_isFlag( jp, JP_AUTOPOS )) {
xmlw_startElem( writer, "pos" );
xmlw_attr( writer, "x", "%f", jp->pos.x );
xmlw_attr( writer, "y", "%f", jp->pos.y );
xmlw_endElem( writer ); /* "pos" */
}
else
xmlw_elemEmpty( writer, "autopos" );
/* Radius and misc properties. */
if (jp->radius != 200.)
xmlw_elem( writer, "radius", "%f", jp->radius );
/* More flags. */
if (jp_isFlag( jp, JP_HIDDEN ))
xmlw_elemEmpty( writer, "hidden" );
if (jp_isFlag( jp, JP_EXITONLY ))
xmlw_elemEmpty( writer, "exitonly" );
xmlw_elem( writer, "hide", "%f", sqrt(jp->hide) );
xmlw_endElem( writer ); /* "jump" */
}
xmlw_endElem( writer ); /* "jumps" */
free(sorted_jumps);
xmlw_endElem( writer ); /** "ssys" */
xmlw_done(writer);
/* No need for writer anymore. */
xmlFreeTextWriter(writer);
/* Write data. */
cleanName = uniedit_nameFilter( sys->name );
nsnprintf( file, sizeof(file), "%s/%s.xml", conf.dev_save_sys, cleanName );
xmlSaveFileEnc( file, doc, "UTF-8" );
/* Clean up. */
xmlFreeDoc(doc);
free(cleanName);
return 0;
}
/**
* @brief Saves selected systems as a map outfit file.
*
* @return 0 on success.
*/
int dsys_saveMap (StarSystem **uniedit_sys, int uniedit_nsys)
{
int i, j, k;
xmlDocPtr doc;
xmlTextWriterPtr writer;
StarSystem *s;
char file[PATH_MAX], *cleanName;
/* Create the writer. */
writer = xmlNewTextWriterDoc(&doc, 0);
if (writer == NULL) {
WARN("testXmlwriterDoc: Error creating the xml writer");
return -1;
}
/* Set the writer parameters. */
xmlw_setParams( writer );
/* Start writer. */
xmlw_start(writer);
xmlw_startElem( writer, "outfit" );
/* Attributes. */
xmlw_attr( writer, "name", "Editor-generated Map" );
/* General. */
xmlw_startElem( writer, "general" );
xmlw_elem( writer, "mass", "%d", 0 );
xmlw_elem( writer, "price", "%d", 1000 );
xmlw_elem( writer, "description", "%s", "This map has been created by the universe editor." );
xmlw_elem( writer, "gfx_store", "%s", "map" );
xmlw_endElem( writer ); /* "general" */
xmlw_startElem( writer, "specific" );
xmlw_attr( writer, "type", "map" );
/* Iterate over all selected systems. Save said systems and any NORMAL jumps they might share. */
for (i = 0; i < uniedit_nsys; i++) {
s = uniedit_sys[i];
xmlw_startElem( writer, "sys" );
xmlw_attr( writer, "name", "%s", s->name );
/* Iterate jumps and see if they lead to any other systems in our array. */
for (j = 0; j < s->njumps; j++) {
/* Ignore hidden and exit-only jumps. */
if (jp_isFlag(&s->jumps[j], JP_EXITONLY ))
continue;
if (jp_isFlag(&s->jumps[j], JP_HIDDEN))
continue;
/* This is a normal jump. */
for (k = 0; k < uniedit_nsys; k++) {
if (s->jumps[j].target == uniedit_sys[k]) {
xmlw_elem( writer, "jump", "%s", uniedit_sys[k]->name );
break;
}
}
}
/* Iterate assets and add them */
for (j = 0; j < s->nplanets; j++) {
if (s->planets[j]->real)
xmlw_elem( writer, "asset", "%s", s->planets[j]->name );
}
xmlw_endElem( writer ); /* "sys" */
}
xmlw_endElem( writer ); /* "specific" */
xmlw_endElem( writer ); /* "outfit" */
xmlw_done(writer);
/* No need for writer anymore. */
xmlFreeTextWriter(writer);
/* Write data. */
cleanName = uniedit_nameFilter( "saved map" );
nsnprintf( file, sizeof(file), "%s/%s.xml", conf.dev_save_map, cleanName );
xmlSaveFileEnc( file, doc, "UTF-8" );
/* Clean up. */
xmlFreeDoc(doc);
free(cleanName);
return 0;
}