1 files changed, 83 insertions, 4 deletions
diff --git a/bowshock/include/bow/lgc.h b/bowshock/include/bow/lgc.h
index bea97e8..585ea8f 100644
--- a/bowshock/include/bow/lgc.h
+++ b/bowshock/include/bow/lgc.h
@@ -1,14 +1,93 @@
+// Copyright 2022-2023 Gabriel Jensen.
+
 #pragma once
 
 #include <bow/bs.h>
 
 #include <zap/bs.h>
 
-constexpr double bow_distmod = 0x1p0; // distance modifier
-constexpr double bow_massmod = 0x1p0; // mass modifier
-constexpr double bow_tmmod   = 0x1p0; // time modifier
+typedef enum {
+	bow_objtyp_can,     // canister
+	bow_objtyp_play,    // player
+	bow_objtyp_sat,     // satellite (moon)
+	bow_objtyp_ship,    // ship
+	bow_objtyp_star,    // star
+	bow_objtyp_station, // station
+	bow_objtyp_wrld,    // world (planet)
+} bow_objtyp;
+
+typedef enum {
+	bow_wrld_amm, // ammonium world
+	bow_wrld_gas, // gas giant
+	bow_wrld_ice, // icy world
+	bow_wrld_rck, // rocky world
+	bow_wrld_lav, // lava world
+	bow_wrld_wat, // water world
+} bow_wrld;
+
+typedef enum {
+	bow_ship_aq,   // aquila
+	bow_ship_cas,  // cassiopeia
+	bow_ship_cent, // centaurus
+	bow_ship_eri,  // eridanus
+	bow_ship_lyra, // lyra
+	bow_ship_tau,  // taurus
+	bow_ship_ursa, // ursa
+} bow_ship;
+
+typedef enum {
+	bow_star_a, // main sequence
+	bow_star_b, // main sequence
+	bow_star_c, // carbon
+	bow_star_f, // main sequence
+	bow_star_g, // main sequence
+	bow_star_k, // main sequence
+	bow_star_l, // brown dwarf
+	bow_star_m, // main sequence
+	bow_star_n, // neutron star
+	bow_star_o, // main sequence
+	bow_star_s, // carbon
+	bow_star_t, // brown dwarf
+	bow_star_w, // worm hole
+	bow_star_x, // black hole
+	bow_star_y, // brown dwarf
+	bow_star_z, // white hole
+} bow_star;
+
+typedef enum {
+	bow_station_cor, // coriolis
+} bow_station;
+
+struct bow_impl_obj {
+	bow_objtyp typ;
+	bow_xyz    pos;
+	bow_xyz    rot; // radians
+	bow_xyz    posvel;
+	bow_xyz    rotvel;
+	double     mass;
+	union {
+		bow_wrld    wrldtyp;
+		bow_ship    shiptyp;
+		bow_star    startyp;
+		bow_station stationtyp;
+	};
+	bow_obj *  next;
+};
+
+struct bow_impl_objroot {
+	bow_obj * objs;
+};
+
+struct bow_impl_playdat {
+	char    nm[bow_cmdrnmlen+0x1u];
+	zap_i04 tm;
+	zap_i04 sysid;
+	bow_obj ship;
+};
+
+constexpr double bow_tmmod = 0x1p-14; // time modifier
 
-constexpr double bow_gravconst = 0x1.2589EFFFp-34 * (bow_distmod*bow_distmod*bow_distmod)/(bow_massmod*bow_tmmod*bow_tmmod); // gravitational constant (s^2*m*t^2)
+constexpr double bow_gravconst = 0x1.2589EFFFp-34/(bow_tmmod*bow_tmmod); // gravitational constant (s^2*m*t^2)
 
 bow_obj * bow_addobj(  bow_objroot *       root,bow_obj const * obj);
 void      bow_freeobjs(bow_objroot const * root);