star_system_xml.cpp File Reference

#include <expat.h>
#include "xml_support.h"
#include "star_system_generic.h"
#include "cmd/planet_generic.h"
#include "cmd/unit_factory.h"
#include "vs_globals.h"
#include "vsfilesystem.h"
#include "configxml.h"
#include "vegastrike.h"
#include <assert.h>
#include "gfx/mesh.h"
#include "cmd/building_generic.h"
#include "cmd/ai/aggressive.h"
#include "cmd/ai/fire.h"
#include "cmd/nebula_generic.h"
#include "cmd/asteroid_generic.h"
#include "cmd/enhancement_generic.h"
#include "cmd/script/flightgroup.h"
#include "universe_util.h"
#include "cmd/atmosphere.h"
#include "options.h"
#include <stdlib.h>
#include <string>
#include <vector>
#include <map>

Go to the source code of this file.

Namespaces
	StarXML

Constant Groups
	StarXML

Enumerations
enum	StarXML::Names {   StarXML::UNKNOWN, StarXML::XFILE, StarXML::X, StarXML::Y,   StarXML::Z, StarXML::RI, StarXML::RJ, StarXML::RK,   StarXML::SI, StarXML::SJ, StarXML::SK, StarXML::QI,   StarXML::QJ, StarXML::QK, StarXML::NAME, StarXML::DIRECTION,   StarXML::RADIUS, StarXML::GRAVITY, StarXML::YEAR, StarXML::DAY,   StarXML::PPOSITION, StarXML::SYSTEM, StarXML::PLANET, StarXML::UNIT,   StarXML::EMRED, StarXML::EMGREEN, StarXML::EMBLUE, StarXML::EMALPHA,   StarXML::SRED, StarXML::SGREEN, StarXML::SBLUE, StarXML::SALPHA,   StarXML::SPOWER, StarXML::BACKGROUND, StarXML::BACKGROUND_COLOR, StarXML::BACKGROUND_DEGAMMA,   StarXML::STARS, StarXML::STARSPREAD, StarXML::NEARSTARS, StarXML::FADESTARS,   StarXML::REFLECTIVITY, StarXML::ALPHA, StarXML::DESTINATION, StarXML::JUMP,   StarXML::FACTION, StarXML::LIGHT, StarXML::COLL, StarXML::ATTEN,   StarXML::DIFF, StarXML::SPEC, StarXML::AMB, StarXML::TERRAIN,   StarXML::CONTTERRAIN, StarXML::MASS, StarXML::BUILDING, StarXML::VEHICLE,   StarXML::ATMOSPHERE, StarXML::NEBULA, StarXML::NEBFILE, StarXML::ASTEROID,   StarXML::SCALEX, StarXML::NUMWRAPS, StarXML::DIFFICULTY, StarXML::REFLECTNOLIGHT,   StarXML::ENHANCEMENT, StarXML::SCALEATMOS, StarXML::SCALESYSTEM, StarXML::CITYLIGHTS,   StarXML::INSIDEOUT, StarXML::INNERRADIUS, StarXML::OUTERRADIUS, StarXML::NUMSLICES,   StarXML::RING, StarXML::SPACEELEVATOR, StarXML::WRAPX, StarXML::WRAPY,   StarXML::FOG, StarXML::FOGELEMENT, StarXML::FOCUS, StarXML::CONCAVITY,   StarXML::MINALPHA, StarXML::MAXALPHA, StarXML::DIRED, StarXML::DIGREEN,   StarXML::DIBLUE, StarXML::DIALPHA, StarXML::TAILMODESTART, StarXML::TAILMODEEND,   StarXML::OPTICALILLUSION, StarXML::SERIAL, StarXML::VARNAME, StarXML::VARVALUE,   StarXML::CONDITION, StarXML::EXPRESSION, StarXML::TECHNIQUE, StarXML::OVERRIDE }

Functions
const vector< string > &	ParseDestinations (const string &value)
void	bootstrap_draw (const string &message, Animation *SplashScreen=NULL)
void	disableTerrainDraw (ContinuousTerrain *ct)
Flightgroup *	getStaticBaseFlightgroup (int faction)
Flightgroup *	getStaticNebulaFlightgroup (int faction)
Flightgroup *	getStaticAsteroidFlightgroup (int faction)
template<typename T >
static bool	EvalCondition (const char *op, const T &left, const T &right)
static bool	ConfigCondition (const string &cond)
static bool	ConfigAllows (string var, float val)
static Vector	ComputeRotVel (float rotvel, const QVector &r, const QVector &s)
static void	GetLights (const vector< GFXLight > &origlights, vector< GFXLightLocal > &curlights, const char *str, float lightSize)
Unit *	getTopLevelOwner ()
BLENDFUNC	parse_alpha (const char *)
static void	SetSubunitRotation (Unit *un, float difficulty)
void	parse_dual_alpha (const char *alpha, BLENDFUNC &blendSrc, BLENDFUNC &blendDst)
int	GetNumNearStarsScale ()
int	GetNumStarsScale ()
float	GetStarSpreadScale ()
float	ScaleOrbitDist (bool autogenerated)
float	ScaleJumpRadius (float radius)

Variables
vs_options	game_options
	needed for assert() calls. More...
const EnumMap::Pair	StarXML::element_names []
const EnumMap::Pair	StarXML::attribute_names []
const EnumMap	StarXML::element_map (element_names, sizeof(element_names)/sizeof(element_names[0]))
const EnumMap	StarXML::attribute_map (attribute_names, sizeof(attribute_names)/sizeof(attribute_names[0]))

Function Documentation

void bootstrap_draw	(	const string &	message,
		Animation *	SplashScreen = NULL
	)

static Vector ComputeRotVel ( float  rotvel, const QVector &  r, const QVector &  s  )

static

Definition at line 370 of file star_system_xml.cpp.

References QVector, and Vector.

{
    if ( (r.i || r.j || r.k) && (s.i || s.j || s.k) ) {
        QVector retval = r.Cross( s );
        retval.Normalize();
        retval = retval*rotvel;
        return retval.Cast();
    } else {
        return Vector( 0, rotvel, 0 );
    }
}

static bool ConfigAllows ( string  var, float  val  )

static

Definition at line 355 of file star_system_xml.cpp.

References VegaConfig::getVariable(), invert(), XMLSupport::parse_floatf(), vs_config, and x.

{
    bool invert = false;
    if (var.length() == 0)
        return true;
    if (var[0] == '-') {
        var    = var.substr( 1 );
        invert = true;
    }
    float x = XMLSupport::parse_floatf( vs_config->getVariable( "graphics", var, "0.0" ) );
    if (var.length() == 0)
        return true;
    return invert ? -x >= val : x >= val;
}

static bool ConfigCondition ( const string &  cond)

static

Definition at line 324 of file star_system_xml.cpp.

References VegaConfig::getVariable(), XMLSupport::parse_floatf(), and vs_config.

{
    if ( cond.empty() )
        return true;
    char varname[64];
    char op[3];
    char varval[64];
    bool ok = 3 == sscanf( cond.c_str(), "%63[-a-zA-Z_0-9] %2[<>=!] %63[-0-9.Ee]",
                           varname,
                           op,
                           varval );
    if (!ok)
        return false;
    //finalize character strings, for security
    varname[sizeof (varname)/sizeof (*varname)-1] = 0;
    op[sizeof (op)/sizeof (*op)-1] = 0;
    varval[sizeof (varval)/sizeof (*varval)-1]    = 0;
    //try to parse varval - if not parseable as float, assume it's a string
    char *endptr = 0;
    bool  rv;
    if (endptr == varval) {
        string sval = vs_config->getVariable( "graphics", varname, "0.0" );
        rv = EvalCondition< string > ( op, sval, varval );
    } else {
        float fval = XMLSupport::parse_floatf( vs_config->getVariable( "graphics", varname, "0.0" ) );
        float fref = XMLSupport::parse_floatf( varval );
        rv = EvalCondition< float > ( op, fval, fref );
    }
    return rv;
}

void disableTerrainDraw

(

ContinuousTerrain *

ct)

Definition at line 390 of file cont_terrain.cpp.

References ContinuousTerrain::DisableDraw().

{
    ct->DisableDraw();
}

template<typename T >

static bool EvalCondition ( const char *  op, const T &  left, const T &  right  )

static

Definition at line 272 of file star_system_xml.cpp.

{
    switch (op[0])
    {
    case '>':
        switch (op[1])
        {
        case 0:
            return left > right;

        case '=':
            return left >= right;

        default:
            return false;
        }
    case '=':
        switch (op[1])
        {
        case 0:
        case '=':
            return left == right;

        default:
            return false;
        }
    case '<':
        switch (op[1])
        {
        case 0:
            return left < right;

        case '=':
            return left <= right;

        default:
            return false;
        }
    case '!':
        switch (op[1])
        {
        case '=':
            return left != right;

        default:
            return false;
        }
    default:
        return false;
    }
}

static void GetLights ( const vector< GFXLight > &  origlights, vector< GFXLightLocal > &  curlights, const char *  str, float  lightSize  )

static

Definition at line 382 of file star_system_xml.cpp.

References GFXLightLocal::islocal, GFXLightLocal::ligh, and GFXLight::setSize().

{
    int   tint;
    char  isloc;
    char *tmp = strdup( str );
    GFXLightLocal lloc;
    char *st  = tmp;
    int   numel;
    while ( ( numel = sscanf( st, "%d%c", &tint, &isloc ) ) > 0 ) {
        assert( tint < (int) origlights.size() );
        lloc.ligh    = origlights[tint];
        lloc.islocal = (numel > 1 && isloc == 'l');
        
        lloc.ligh.setSize(lightSize);
        
        curlights.push_back( lloc );
        while ( isspace( *st ) )
            ++st;
        while ( isalnum( *st ) )
            ++st;
    }
    free( tmp );
}

int GetNumNearStarsScale

(

)

Definition at line 440 of file star_system_xml.cpp.

References vs_options::num_near_stars.

Referenced by StarSystem::LoadXML().

{
    return game_options.num_near_stars;
}

int GetNumStarsScale

(

)

Definition at line 445 of file star_system_xml.cpp.

References vs_options::num_far_stars.

Referenced by StarSystem::LoadXML().

{
    return game_options.num_far_stars;
}

float GetStarSpreadScale

(

)

Definition at line 450 of file star_system_xml.cpp.

References vs_options::game_speed, and vs_options::star_spreading.

Referenced by StarSystem::LoadXML().

{
    return game_options.star_spreading*game_options.game_speed;
}

Flightgroup* getStaticAsteroidFlightgroup

(

int

faction)

Definition at line 195 of file star_system_generic.cpp.

References StarSystemGent::faction, and setStaticFlightgroup().

{
    static vector< Flightgroup* >fg;
    setStaticFlightgroup( fg, "Asteroid", faction );
    return fg[faction];
}

Flightgroup* getStaticBaseFlightgroup

(

int

faction)

Definition at line 172 of file star_system_generic.cpp.

References StarSystemGent::faction, and setStaticFlightgroup().

{
    //warning mem leak...not big O(num factions)
    static vector< Flightgroup* >fg;
    setStaticFlightgroup( fg, "Base", faction );
    return fg[faction];
}

Flightgroup* getStaticNebulaFlightgroup

(

int

faction)

Definition at line 188 of file star_system_generic.cpp.

References StarSystemGent::faction, and setStaticFlightgroup().

{
    static vector< Flightgroup* >fg;
    setStaticFlightgroup( fg, "Nebula", faction );
    return fg[faction];
}

Unit* getTopLevelOwner

(

)

Definition at line 320 of file star_system_generic.cpp.

{
    return (Unit*) 0x31337; //FIXME How about telling us a little story behind this function? --chuck_starchaser
}

BLENDFUNC parse_alpha

(

const char *

)

Definition at line 146 of file mesh_xml.cpp.

References CONSTALPHA, CONSTCOLOR, DESTALPHA, DESTCOLOR, INVCONSTALPHA, INVCONSTCOLOR, INVDESTALPHA, INVDESTCOLOR, INVSRCALPHA, INVSRCCOLOR, ONE, SRCALPHA, SRCALPHASAT, SRCCOLOR, and ZERO.

{
    if (strcmp( tmp, "ZERO" ) == 0)
        return ZERO;
    if (strcmp( tmp, "ONE" ) == 0)
        return ONE;
    if (strcmp( tmp, "SRCCOLOR" ) == 0)
        return SRCCOLOR;
    if (strcmp( tmp, "INVSRCCOLOR" ) == 0)
        return INVSRCCOLOR;
    if (strcmp( tmp, "SRCALPHA" ) == 0)
        return SRCALPHA;
    if (strcmp( tmp, "INVSRCALPHA" ) == 0)
        return INVSRCALPHA;
    if (strcmp( tmp, "DESTALPHA" ) == 0)
        return DESTALPHA;
    if (strcmp( tmp, "INVDESTALPHA" ) == 0)
        return INVDESTALPHA;
    if (strcmp( tmp, "DESTCOLOR" ) == 0)
        return DESTCOLOR;
    if (strcmp( tmp, "INVDESTCOLOR" ) == 0)
        return INVDESTCOLOR;
    if (strcmp( tmp, "SRCALPHASAT" ) == 0)
        return SRCALPHASAT;
    if (strcmp( tmp, "CONSTALPHA" ) == 0)
        return CONSTALPHA;
    if (strcmp( tmp, "INVCONSTALPHA" ) == 0)
        return INVCONSTALPHA;
    if (strcmp( tmp, "CONSTCOLOR" ) == 0)
        return CONSTCOLOR;
    if (strcmp( tmp, "INVCONSTCOLOR" ) == 0)
        return INVCONSTCOLOR;
    return ZERO;
}

void parse_dual_alpha	(	const char *	alpha,
		BLENDFUNC &	blendSrc,
		BLENDFUNC &	blendDst
	)

Definition at line 420 of file star_system_xml.cpp.

References d, INVSRCALPHA, ONE, parse_alpha(), SRCALPHA, and ZERO.

{
    blendSrc = ONE;
    blendDst = ZERO;
    if (alpha == NULL) {} else if (alpha[0] == '\0') {} else {
        char *s = strdup( alpha );
        char *d = strdup( alpha );
        blendSrc = SRCALPHA;
        blendDst = INVSRCALPHA;
        if ( 2 == sscanf( alpha, "%s %s", s, d ) ) {
            if (strcmp( s, "true" ) != 0) {
                blendSrc = parse_alpha( s );
                blendDst = parse_alpha( d );
            }
        }
        free( s );
        free( d );
    }
}

const vector< string >& ParseDestinations

(

const string &

value)

Definition at line 178 of file galaxy.cpp.

{
    static vector< string >rv;
    rv.clear();
    string::size_type pos = 0, sep;
    while ( ( sep = value.find( ' ', pos ) ) != string::npos ) {
        rv.push_back( value.substr( pos, sep-pos ) );
        pos = sep+1;
    }
    if ( pos < value.length() )
        rv.push_back( value.substr( pos ) );
    return rv;
}

float ScaleJumpRadius

(

float

radius)

Definition at line 64 of file star_system_generic.cpp.

References VegaConfig::getVariable(), XMLSupport::parse_float(), and vs_config.

{
    static float jump_radius_scale = parse_float( vs_config->getVariable( "physics", "jump_radius_scale", "2" ) );
    static float game_speed = parse_float( vs_config->getVariable( "physics", "game_speed", "1" ) );
    //need this because sys scale doesn't affect j-point size
    radius *= jump_radius_scale*game_speed;
    return radius;
}

float ScaleOrbitDist

(

bool

autogenerated)

Definition at line 455 of file star_system_xml.cpp.

References vs_options::autogen_compactness, and vs_options::runtime_compactness.

{
    if (autogenerated)
        return game_options.autogen_compactness*game_options.runtime_compactness;
    return game_options.runtime_compactness;
}

static void SetSubunitRotation ( Unit *  un, float  difficulty  )

static

Definition at line 408 of file star_system_xml.cpp.

References float, Unit::getSubUnits(), Unit::SetAngularVelocity(), Vector, x, y, and z.

{
    Unit *unit;
    for (un_iter iter = un->getSubUnits(); (unit = *iter); ++iter) {
        float x = 2*difficulty*( (float) rand() )/RAND_MAX-difficulty;
        float y = 2*difficulty*( (float) rand() )/RAND_MAX-difficulty;
        float z = 2*difficulty*( (float) rand() )/RAND_MAX-difficulty;
        unit->SetAngularVelocity( Vector( x, y, z ) );
        SetSubunitRotation( unit, difficulty );
    }
}

Variable Documentation

vs_options game_options

needed for assert() calls.

Draws cockpit parts Draws gauges, info strings, radar, ...

Definition at line 83 of file main.cpp.