108 lines
2.5 KiB
C++
108 lines
2.5 KiB
C++
#pragma once
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#include <vector>
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#include <string>
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#include "libs.h"
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#define EARTH_RADIUS 6378135.0
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#define EARTH_MASS 5.9742e24
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#define JUPITER_MASS 317.8*EARTH_MASS
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/* Brown dwarfs above 13 jupiter masses fuse deuterium. */
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#define MIN_BROWN_DWARF (13.0*JUPITER_MASS)
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#define SOL_RADIUS 6.955e8
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#define SOL_MASS 1.98892e30
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#define AU 149598000000.0
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#define G 6.67428e-11
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struct systemloc_t {
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int secX, secY, sysIdx;
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};
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/* All masses are in Kg, all lengths in meters. */
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class StarSystem {
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public:
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StarSystem(int sector_x, int sector_y, int system_idx);
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~StarSystem(void);
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bool IsSystem(int sector_x, int sector_y, int system_idx);
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void GetPos(systemloc_t* l) { *l = loc; };
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void GetPos(int* sec_x, int* sec_y, int* sys_idx) {
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*sec_x = loc.secX; *sec_y = loc.secY, *sys_idx = loc.sysIdx;
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}
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static float starColors[7][3];
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struct Orbit {
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void KeplerPosAtTime(double t, double* dist, double* ang);
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vector3d CartesianPosAtTime(double t);
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double eccentricity;
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double semiMajorAxis;
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double period; /* Seconds. */
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matrix4x4d rotMatrix;
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};
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enum BodyType {
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TYPE_STAR_M,
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TYPE_STAR_K,
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TYPE_STAR_G,
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TYPE_STAR_F,
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TYPE_STAR_A,
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TYPE_STAR_B,
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TYPE_STAR_O,
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TYPE_BROWN_DWARF,
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TYPE_PLANET_SMALL_GAS_GIANT,
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TYPE_PLANET_MEDIUM_GAS_GIANT,
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TYPE_PLANET_LARGE_GAS_GIANT,
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TYPE_PLANET_VERY_LARGE_GAS_GIANT,
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TYPE_PLANET_DWARF,
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TYPE_PLANET_SMALL,
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TYPE_PLANET_WATER,
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TYPE_PLANET_CO2,
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TYPE_PLANET_METHANE,
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TYPE_PLANET_WATER_THICK_ATMOS,
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TYPE_PLANET_CO2_THICK_ATMOS,
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TYPE_PLANET_METHANE_THICK_ATMOS,
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TYPE_PLANET_HIGHLY_VOLCANIC,
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TYPE_PLANET_INDIGENOUS_LIFE,
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TYPE_MAX
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/* TODO: Need larger atmosphereless thing. */
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};
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enum BodySuperType {
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SUPERTYPE_STAR, SUPERTYPE_ROCKY_PLANET, SUPERTYPE_GAS_GIANT
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};
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struct BodyStats {
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};
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struct SBody {
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~SBody(void);
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void EliminateBadChildren(void); /* :D */
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void PickPlanetType(SBody*, double distToPrimary, MTRand& drand, bool genMoons);
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SBody* parent;
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std::vector<SBody*> children;
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const char* GetAstroDescription(void);
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const char* GetIcon(void);
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int temp;
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Orbit orbit;
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int seed; /* planet.cpp can use to generate terrain. */
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std::string name;
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double radius;
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double mass;
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double radMin, radMax;
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double averageTemp;
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BodySuperType supertype;
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BodyType type;
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};
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SBody* rootBody;
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private:
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systemloc_t loc;
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MTRand rand;
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};
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