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author | milo24x7@gmail.com <milo24x7@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2013-07-07 22:08:49 +0000 |
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committer | milo24x7@gmail.com <milo24x7@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2013-07-07 22:08:49 +0000 |
commit | d17521c8b9085a91d08fecfd0b51bbbf7b1dccac (patch) | |
tree | 4673104b47dc68a079cac9f94deefd48dfcb66fa /Stars45/StarSystem.cpp | |
parent | 1de4b2bdbb019be6f1b7262c3eba5568d7682edd (diff) | |
download | starshatter-d17521c8b9085a91d08fecfd0b51bbbf7b1dccac.zip starshatter-d17521c8b9085a91d08fecfd0b51bbbf7b1dccac.tar.gz starshatter-d17521c8b9085a91d08fecfd0b51bbbf7b1dccac.tar.bz2 |
Updated open source license declaration and fixed some formatting issues.
Diffstat (limited to 'Stars45/StarSystem.cpp')
-rw-r--r-- | Stars45/StarSystem.cpp | 3972 |
1 files changed, 1998 insertions, 1974 deletions
diff --git a/Stars45/StarSystem.cpp b/Stars45/StarSystem.cpp index e04225b..8daed31 100644 --- a/Stars45/StarSystem.cpp +++ b/Stars45/StarSystem.cpp @@ -1,1974 +1,1998 @@ -/* Project Starshatter 4.5
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
-
- SUBSYSTEM: Stars.exe
- FILE: StarSystem.cpp
- AUTHOR: John DiCamillo
-
-
- OVERVIEW
- ========
- Various Heavenly Bodies
-*/
-
-#include "MemDebug.h"
-#include "StarSystem.h"
-#include "Galaxy.h"
-#include "Sky.h"
-#include "Starshatter.h"
-#include "TerrainRegion.h"
-#include "TerrainHaze.h"
-#include "Weather.h"
-
-#include "Game.h"
-#include "Sound.h"
-#include "Solid.h"
-#include "Light.h"
-#include "Bitmap.h"
-#include "DataLoader.h"
-#include "Scene.h"
-#include "ParseUtil.h"
-
-const double epoch = 0.5e9;
-double StarSystem::stardate = 0;
-
-// +====================================================================+
-
-static double base_time = 0;
-static WORD oldcw = 0;
-static WORD fpcw = 0;
-
-void FPU2Extended()
-{
- _asm { fstcw oldcw }
- fpcw = oldcw | 0x0300; // set 80-bit precision mode
- _asm { fldcw fpcw }
-}
-
-void FPURestore()
-{
- // well, I don't actually WANT single-precision mode
- // so I think I'll just ignore this...
-
- //_asm { fldcw oldcw }
-}
-
-void StarSystem::SetBaseTime(double t, bool absolute)
-{
- FPU2Extended();
-
- if (absolute) {
- base_time = t;
- CalcStardate();
- }
-
- else if (t > 0) {
- if (t > epoch) t -= epoch;
- base_time = t;
- CalcStardate();
- }
-}
-
-double StarSystem::GetBaseTime()
-{
- return base_time;
-}
-
-void StarSystem::CalcStardate()
-{
- if (base_time < 1) {
- time_t clock_seconds;
- time(&clock_seconds);
-
- base_time = clock_seconds;
-
- while (base_time < 0)
- base_time += epoch;
- }
-
- FPU2Extended();
-
- double gtime = (double) Game::GameTime() / 1000.0;
- double sdate = gtime + base_time + epoch;
-
- stardate = sdate;
-
- FPURestore();
-}
-
-static const double GRAV = 6.673e-11;
-static const int NAMELEN = 64;
-
-// +====================================================================+
-
-StarSystem::StarSystem(const char* sys_name, Point l, int iff, int s)
-: name(sys_name), affiliation(iff), sky_stars(0), sky_dust(0), loc(l), seq(s),
-active_region(0), instantiated(false), ambient(0,0,0),
-sun_color(255,255,255), sun_scale(1), point_stars(0), poly_stars(0),
-nebula(0), haze(0)
-{
- center = new(__FILE__,__LINE__) Orbital(this, "CG", Orbital::NOTHING, 1.0e35f, 0.0f, 0.0f, 0);
- radius = 0.0f;
-}
-
-// +--------------------------------------------------------------------+
-
-StarSystem::~StarSystem()
-{
- Print(" Destroying Star System %s\n", (const char*) name);
-
- if (instantiated) {
- Deactivate();
- Destroy();
- }
-
- bodies.destroy();
- regions.destroy();
- all_regions.clear(); // do not destroy these!
-
- delete center;
-}
-
-// +--------------------------------------------------------------------+
-
-static OrbitalBody* primary_star = 0;
-static OrbitalBody* primary_planet = 0;
-static OrbitalBody* primary_moon = 0;
-
-void
-StarSystem::Load()
-{
- CalcStardate();
- active_region = 0;
-
- BYTE* block = 0;
- DataLoader* loader = DataLoader::GetLoader();
- datapath = loader->GetDataPath();
-
- sprintf_s(filename, "%s/%s.def", (const char*) name, (const char*) name);
-
- Print("Loading StarSystem: %s\n", filename);
- loader->LoadBuffer(filename, block, true);
-
- if (!block) {
- Print("ERROR: invalid star system file '%s'\n", filename);
- exit(-2);
- return;
- }
-
- Parser parser(new(__FILE__,__LINE__) BlockReader((const char*) block));
-
- Term* term = parser.ParseTerm();
-
- if (!term) {
- Print("ERROR: could not parse '%s'\n", filename);
- exit(-3);
- return;
- }
- else {
- TermText* file_type = term->isText();
- if (!file_type || file_type->value() != "STARSYSTEM") {
- Print("ERROR: invalid star system file '%s'\n", filename);
- term->print(10);
- exit(-4);
- return;
- }
- }
-
- // parse the system:
- do {
- delete term;
- term = parser.ParseTerm();
-
- if (term) {
- TermDef* def = term->isDef();
- if (def) {
- if (def->name()->value() == "name") {
- char namebuf[NAMELEN];
- namebuf[0] = 0;
- GetDefText(namebuf, def, filename);
-
- if (namebuf[0])
- name = namebuf;
- }
-
- else if (def->name()->value() == "sky") {
- if (!def->term() || !def->term()->isStruct()) {
- Print("WARNING: sky struct missing in '%s'\n", filename);
- }
- else {
- TermStruct* val = def->term()->isStruct();
-
- char imgname[NAMELEN];
- char magname[NAMELEN];
- char hazname[NAMELEN];
-
- imgname[0] = 0;
- magname[0] = 0;
- hazname[0] = 0;
-
- for (int i = 0; i < val->elements()->size(); i++) {
- TermDef* pdef = val->elements()->at(i)->isDef();
- if (pdef) {
- if (pdef->name()->value() == "poly_stars")
- GetDefText(imgname, pdef, filename);
-
- else if (pdef->name()->value() == "nebula")
- GetDefText(magname, pdef, filename);
-
- else if (pdef->name()->value() == "haze")
- GetDefText(hazname, pdef, filename);
- }
- }
-
- if (imgname[0])
- sky_poly_stars = imgname;
-
- if (magname[0])
- sky_nebula = magname;
-
- if (hazname[0])
- sky_haze = hazname;
- }
- }
-
- else if (def->name()->value() == "stars") {
- GetDefNumber(sky_stars, def, filename);
- }
-
- else if (def->name()->value() == "ambient") {
- Vec3 a;
- GetDefVec(a, def, filename);
-
- ambient = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z) * 2.5;
- }
-
- else if (def->name()->value() == "dust") {
- GetDefNumber(sky_dust, def, filename);
- }
-
- else if (def->name()->value() == "star") {
- if (!def->term() || !def->term()->isStruct()) {
- Print("WARNING: star struct missing in '%s'\n", filename);
- }
- else {
- TermStruct* val = def->term()->isStruct();
- ParseStar(val);
- }
- }
-
- else if (def->name()->value() == "planet") {
- if (!def->term() || !def->term()->isStruct()) {
- Print("WARNING: planet struct missing in '%s'\n", filename);
- }
- else {
- TermStruct* val = def->term()->isStruct();
- ParsePlanet(val);
- }
- }
-
- else if (def->name()->value() == "moon") {
- if (!def->term() || !def->term()->isStruct()) {
- Print("WARNING: moon struct missing in '%s'\n", filename);
- }
- else {
- TermStruct* val = def->term()->isStruct();
- ParseMoon(val);
- }
- }
-
- else if (def->name()->value() == "region") {
- if (!def->term() || !def->term()->isStruct()) {
- Print("WARNING: region struct missing in '%s'\n", filename);
- }
- else {
- TermStruct* val = def->term()->isStruct();
- ParseRegion(val);
- }
- }
-
- else if (def->name()->value() == "terrain") {
- if (!def->term() || !def->term()->isStruct()) {
- Print("WARNING: terrain struct missing in '%s'\n", filename);
- }
- else {
- TermStruct* val = def->term()->isStruct();
- ParseTerrain(val);
- }
- }
-
- }
- }
- }
- while (term);
-
- loader->ReleaseBuffer(block);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::ParseStar(TermStruct* val)
-{
- char star_name[NAMELEN];
- char img_name[NAMELEN];
- char map_name[NAMELEN];
- double light = 0.0;
- double radius = 0.0;
- double rot = 0.0;
- double mass = 0.0;
- double orbit = 0.0;
- double tscale = 1.0;
- bool retro = false;
- Color color;
- Color back;
-
- for (int i = 0; i < val->elements()->size(); i++) {
- TermDef* pdef = val->elements()->at(i)->isDef();
- if (pdef) {
- if (pdef->name()->value() == "name")
- GetDefText(star_name, pdef, filename);
-
- else if (pdef->name()->value() == "map" || pdef->name()->value() == "icon")
- GetDefText(map_name, pdef, filename);
-
- else if (pdef->name()->value() == "image")
- GetDefText(img_name, pdef, filename);
-
- else if (pdef->name()->value() == "mass")
- GetDefNumber(mass, pdef, filename);
-
- else if (pdef->name()->value() == "orbit")
- GetDefNumber(orbit, pdef, filename);
-
- else if (pdef->name()->value() == "radius")
- GetDefNumber(radius, pdef, filename);
-
- else if (pdef->name()->value() == "rotation")
- GetDefNumber(rot, pdef, filename);
-
- else if (pdef->name()->value() == "tscale")
- GetDefNumber(tscale, pdef, filename);
-
- else if (pdef->name()->value() == "light")
- GetDefNumber(light, pdef, filename);
-
- else if (pdef->name()->value() == "retro")
- GetDefBool(retro, pdef, filename);
-
- else if (pdef->name()->value() == "color") {
- Vec3 a;
- GetDefVec(a, pdef, filename);
- color = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z);
- }
-
- else if (pdef->name()->value() == "back" || pdef->name()->value() == "back_color") {
- Vec3 a;
- GetDefVec(a, pdef, filename);
- back = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z);
- }
- }
- }
-
- OrbitalBody* star = new(__FILE__,__LINE__) OrbitalBody(this, star_name, Orbital::STAR, mass, radius, orbit, center);
- star->map_name = map_name;
- star->tex_name = img_name;
- star->light = light;
- star->tscale = tscale;
- star->subtype = Star::G;
- star->retro = retro;
- star->rotation = rot * 3600;
- star->color = color;
- star->back = back;
-
- // map icon:
- if (*map_name) {
- DataLoader::GetLoader()->LoadBitmap(map_name, star->map_icon, Bitmap::BMP_TRANSLUCENT, true);
- }
-
- bodies.append(star);
- primary_star = star;
- primary_planet = 0;
- primary_moon = 0;
-
- if (orbit > StarSystem::radius)
- StarSystem::radius = orbit;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::ParsePlanet(TermStruct* val)
-{
- char pln_name[NAMELEN];
- char img_name[NAMELEN];
- char map_name[NAMELEN];
- char hi_name[NAMELEN];
- char img_ring[NAMELEN];
- char glo_name[NAMELEN];
- char glo_hi_name[NAMELEN];
- char gloss_name[NAMELEN];
-
- double radius = 0.0;
- double mass = 0.0;
- double orbit = 0.0;
- double rot = 0.0;
- double minrad = 0.0;
- double maxrad = 0.0;
- double tscale = 1.0;
- double tilt = 0.0;
- bool retro = false;
- bool lumin = false;
- Color atmos = Color::Black;
-
- ZeroMemory(pln_name, NAMELEN);
- ZeroMemory(hi_name, NAMELEN);
- ZeroMemory(img_ring, NAMELEN);
- ZeroMemory(glo_name, NAMELEN);
- ZeroMemory(glo_hi_name, NAMELEN);
- ZeroMemory(gloss_name, NAMELEN);
- ZeroMemory(map_name, NAMELEN);
-
- for (int i = 0; i < val->elements()->size(); i++) {
- TermDef* pdef = val->elements()->at(i)->isDef();
- if (pdef) {
- if (pdef->name()->value() == "name")
- GetDefText(pln_name, pdef, filename);
-
- else if (pdef->name()->value() == "map" || pdef->name()->value() == "icon")
- GetDefText(map_name, pdef, filename);
-
- else if (pdef->name()->value() == "image")
- GetDefText(img_name, pdef, filename);
-
- else if (pdef->name()->value() == "image_west")
- GetDefText(img_name, pdef, filename);
-
- else if (pdef->name()->value() == "image_east")
- GetDefText(img_name, pdef, filename);
-
- else if (pdef->name()->value() == "glow")
- GetDefText(glo_name, pdef, filename);
-
- else if (pdef->name()->value() == "gloss")
- GetDefText(gloss_name, pdef, filename);
-
- else if (pdef->name()->value() == "high_res")
- GetDefText(hi_name, pdef, filename);
-
- else if (pdef->name()->value() == "high_res_west")
- GetDefText(hi_name, pdef, filename);
-
- else if (pdef->name()->value() == "high_res_east")
- GetDefText(hi_name, pdef, filename);
-
- else if (pdef->name()->value() == "glow_high_res")
- GetDefText(glo_hi_name, pdef, filename);
-
- else if (pdef->name()->value() == "mass")
- GetDefNumber(mass, pdef, filename);
-
- else if (pdef->name()->value() == "orbit")
- GetDefNumber(orbit, pdef, filename);
-
- else if (pdef->name()->value() == "retro")
- GetDefBool(retro, pdef, filename);
-
- else if (pdef->name()->value() == "luminous")
- GetDefBool(lumin, pdef, filename);
-
- else if (pdef->name()->value() == "rotation")
- GetDefNumber(rot, pdef, filename);
-
- else if (pdef->name()->value() == "radius")
- GetDefNumber(radius, pdef, filename);
-
- else if (pdef->name()->value() == "ring")
- GetDefText(img_ring, pdef, filename);
-
- else if (pdef->name()->value() == "minrad")
- GetDefNumber(minrad, pdef, filename);
-
- else if (pdef->name()->value() == "maxrad")
- GetDefNumber(maxrad, pdef, filename);
-
- else if (pdef->name()->value() == "tscale")
- GetDefNumber(tscale, pdef, filename);
-
- else if (pdef->name()->value() == "tilt")
- GetDefNumber(tilt, pdef, filename);
-
- else if (pdef->name()->value() == "atmosphere") {
- Vec3 a;
- GetDefVec(a, pdef, filename);
- atmos = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z);
- }
- }
- }
-
- OrbitalBody* planet = new(__FILE__,__LINE__) OrbitalBody(this, pln_name, Orbital::PLANET, mass, radius, orbit, primary_star);
- planet->map_name = map_name;
- planet->tex_name = img_name;
- planet->tex_high_res = hi_name;
- planet->tex_ring = img_ring;
- planet->tex_glow = glo_name;
- planet->tex_glow_high_res = glo_hi_name;
- planet->tex_gloss = gloss_name;
- planet->ring_min = minrad;
- planet->ring_max = maxrad;
- planet->tscale = tscale;
- planet->tilt = tilt;
- planet->retro = retro;
- planet->luminous = lumin;
- planet->rotation = rot * 3600;
- planet->atmosphere = atmos;
-
- if (primary_star)
- primary_star->satellites.append(planet);
- else
- bodies.append(planet);
-
- primary_planet = planet;
- primary_moon = 0;
-
- if (orbit > StarSystem::radius)
- StarSystem::radius = orbit;
-
- // map icon:
- if (map_name[0]) {
- DataLoader::GetLoader()->LoadBitmap(map_name, planet->map_icon, Bitmap::BMP_TRANSLUCENT, true);
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::ParseMoon(TermStruct* val)
-{
- char map_name[NAMELEN];
- char pln_name[NAMELEN];
- char img_name[NAMELEN];
- char hi_name[NAMELEN];
- char glo_name[NAMELEN];
- char glo_hi_name[NAMELEN];
- char gloss_name[NAMELEN];
-
- double radius = 0.0;
- double mass = 0.0;
- double orbit = 0.0;
- double rot = 0.0;
- double tscale = 1.0;
- double tilt = 0.0;
- bool retro = false;
- Color atmos = Color::Black;
-
- ZeroMemory(map_name, NAMELEN);
- ZeroMemory(pln_name, NAMELEN);
- ZeroMemory(hi_name, NAMELEN);
- ZeroMemory(img_name, NAMELEN);
- ZeroMemory(glo_name, NAMELEN);
- ZeroMemory(glo_hi_name, NAMELEN);
- ZeroMemory(gloss_name, NAMELEN);
-
- for (int i = 0; i < val->elements()->size(); i++) {
- TermDef* pdef = val->elements()->at(i)->isDef();
- if (pdef) {
- if (pdef->name()->value() == "name")
- GetDefText(pln_name, pdef, filename);
-
- else if (pdef->name()->value() == "map" || pdef->name()->value() == "icon")
- GetDefText(map_name, pdef, filename);
-
- else if (pdef->name()->value() == "image")
- GetDefText(img_name, pdef, filename);
-
- else if (pdef->name()->value() == "glow")
- GetDefText(glo_name, pdef, filename);
-
- else if (pdef->name()->value() == "high_res")
- GetDefText(hi_name, pdef, filename);
-
- else if (pdef->name()->value() == "glow_high_res")
- GetDefText(glo_hi_name, pdef, filename);
-
- else if (pdef->name()->value() == "gloss")
- GetDefText(gloss_name, pdef, filename);
-
- else if (pdef->name()->value() == "mass")
- GetDefNumber(mass, pdef, filename);
-
- else if (pdef->name()->value() == "orbit")
- GetDefNumber(orbit, pdef, filename);
-
- else if (pdef->name()->value() == "rotation")
- GetDefNumber(rot, pdef, filename);
-
- else if (pdef->name()->value() == "retro")
- GetDefBool(retro, pdef, filename);
-
- else if (pdef->name()->value() == "radius")
- GetDefNumber(radius, pdef, filename);
-
- else if (pdef->name()->value() == "tscale")
- GetDefNumber(tscale, pdef, filename);
-
- else if (pdef->name()->value() == "inclination")
- GetDefNumber(tilt, pdef, filename);
-
- else if (pdef->name()->value() == "atmosphere") {
- Vec3 a;
- GetDefVec(a, pdef, filename);
- atmos = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z);
- }
- }
- }
-
- OrbitalBody* moon = new(__FILE__,__LINE__) OrbitalBody(this, pln_name, Orbital::MOON, mass, radius, orbit, primary_planet);
- moon->map_name = map_name;
- moon->tex_name = img_name;
- moon->tex_high_res = hi_name;
- moon->tex_glow = glo_name;
- moon->tex_glow_high_res = glo_hi_name;
- moon->tex_gloss = gloss_name;
- moon->tscale = tscale;
- moon->retro = retro;
- moon->rotation = rot * 3600;
- moon->tilt = tilt;
- moon->atmosphere = atmos;
-
- if (primary_planet)
- primary_planet->satellites.append(moon);
- else {
- Print("WARNING: no planet for moon %s in '%s', deleted.\n", pln_name, filename);
- delete moon;
- moon = 0;
- }
-
- primary_moon = moon;
-
- // map icon:
- if (map_name[0]) {
- DataLoader::GetLoader()->LoadBitmap(map_name, moon->map_icon, Bitmap::BMP_TRANSLUCENT, true);
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::ParseRegion(TermStruct* val)
-{
- char rgn_name[NAMELEN];
- char lnk_name[NAMELEN];
- double size = 1.0e6;
- double orbit = 0.0;
- double grid = 25000;
- double inclination = 0.0;
- int asteroids = 0;
-
- List<Text> links;
-
- for (int i = 0; i < val->elements()->size(); i++) {
- TermDef* pdef = val->elements()->at(i)->isDef();
- if (pdef) {
- if (pdef->name()->value() == "name")
- GetDefText(rgn_name, pdef, filename);
-
- else if (pdef->name()->value() == "link") {
- GetDefText(lnk_name, pdef, filename);
- if (lnk_name[0]) {
- links.append(new(__FILE__,__LINE__) Text(lnk_name));
- }
- }
-
- else if (pdef->name()->value() == "orbit")
- GetDefNumber(orbit, pdef, filename);
-
- else if (pdef->name()->value() == "size")
- GetDefNumber(size, pdef, filename);
-
- else if (pdef->name()->value() == "radius")
- GetDefNumber(size, pdef, filename);
-
- else if (pdef->name()->value() == "grid")
- GetDefNumber(grid, pdef, filename);
-
- else if (pdef->name()->value() == "inclination")
- GetDefNumber(inclination, pdef, filename);
-
- else if (pdef->name()->value() == "asteroids")
- GetDefNumber(asteroids, pdef, filename);
- }
- }
-
- Orbital* primary = primary_moon;
- if (!primary) primary = primary_planet;
- if (!primary) primary = primary_star;
-
- OrbitalRegion* region = new(__FILE__,__LINE__) OrbitalRegion(this, rgn_name, 0, size, orbit, primary);
- region->grid = grid;
- region->inclination = inclination;
- region->asteroids = asteroids;
- region->links.append(links);
-
- if (primary)
- primary->regions.append(region);
- else
- regions.append(region);
-
- all_regions.append(region);
-
- if (orbit > StarSystem::radius)
- StarSystem::radius = orbit;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::ParseTerrain(TermStruct* val)
-{
- Orbital* primary = primary_moon;
- if (!primary) primary = primary_planet;
-
- if (!primary) {
- Print("WARNING: Terrain region with no primary ignored in '%s'\n", filename);
- return;
- }
-
- TerrainRegion* region = 0;
-
- Text rgn_name;
- Text patch_name;
- Text patch_texture;
- Text noise_tex0;
- Text noise_tex1;
- Text apron_name;
- Text apron_texture;
- Text water_texture;
- Text env_texture_positive_x;
- Text env_texture_negative_x;
- Text env_texture_positive_y;
- Text env_texture_negative_y;
- Text env_texture_positive_z;
- Text env_texture_negative_z;
- Text haze_name;
- Text sky_name;
- Text clouds_high;
- Text clouds_low;
- Text shades_high;
- Text shades_low;
-
- double size = 1.0e6;
- double grid = 25000;
- double inclination = 0.0;
- double scale = 10e3;
- double mtnscale = 1e3;
- double fog_density = 0;
- double fog_scale = 0;
- double haze_fade = 0;
- double clouds_alt_high= 0;
- double clouds_alt_low= 0;
- double w_period = 0;
- double w_chances[Weather::NUM_STATES];
-
- ZeroMemory(w_chances, sizeof(w_chances));
-
- for (int i = 0; i < val->elements()->size(); i++) {
- TermDef* pdef = val->elements()->at(i)->isDef();
- if (pdef) {
- if (pdef->name()->value() == "name")
- GetDefText(rgn_name, pdef, filename);
-
- else if (pdef->name()->value() == "patch")
- GetDefText(patch_name, pdef, filename);
-
- else if (pdef->name()->value() == "patch_texture")
- GetDefText(patch_texture, pdef, filename);
-
- else if (pdef->name()->value() == "detail_texture_0")
- GetDefText(noise_tex0, pdef, filename);
-
- else if (pdef->name()->value() == "detail_texture_1")
- GetDefText(noise_tex1, pdef, filename);
-
- else if (pdef->name()->value() == "apron")
- GetDefText(apron_name, pdef, filename);
-
- else if (pdef->name()->value() == "apron_texture")
- GetDefText(apron_texture, pdef, filename);
-
- else if (pdef->name()->value() == "water_texture")
- GetDefText(water_texture, pdef, filename);
-
- else if (pdef->name()->value() == "env_texture_positive_x")
- GetDefText(env_texture_positive_x, pdef, filename);
-
- else if (pdef->name()->value() == "env_texture_negative_x")
- GetDefText(env_texture_negative_x, pdef, filename);
-
- else if (pdef->name()->value() == "env_texture_positive_y")
- GetDefText(env_texture_positive_y, pdef, filename);
-
- else if (pdef->name()->value() == "env_texture_negative_y")
- GetDefText(env_texture_negative_y, pdef, filename);
-
- else if (pdef->name()->value() == "env_texture_positive_z")
- GetDefText(env_texture_positive_z, pdef, filename);
-
- else if (pdef->name()->value() == "env_texture_negative_z")
- GetDefText(env_texture_negative_z, pdef, filename);
-
- else if (pdef->name()->value() == "clouds_high")
- GetDefText(clouds_high, pdef, filename);
-
- else if (pdef->name()->value() == "shades_high")
- GetDefText(shades_high, pdef, filename);
-
- else if (pdef->name()->value() == "clouds_low")
- GetDefText(clouds_low, pdef, filename);
-
- else if (pdef->name()->value() == "shades_low")
- GetDefText(shades_low, pdef, filename);
-
- else if (pdef->name()->value() == "haze")
- GetDefText(haze_name, pdef, filename);
-
- else if (pdef->name()->value() == "sky_color")
- GetDefText(sky_name, pdef, filename);
-
- else if (pdef->name()->value() == "size" ||
- pdef->name()->value() == "radius")
- GetDefNumber(size, pdef, filename);
-
- else if (pdef->name()->value() == "grid")
- GetDefNumber(grid, pdef, filename);
-
- else if (pdef->name()->value() == "inclination")
- GetDefNumber(inclination, pdef, filename);
-
- else if (pdef->name()->value() == "scale")
- GetDefNumber(scale, pdef, filename);
-
- else if (pdef->name()->value() == "mtnscale" ||
- pdef->name()->value() == "mtn_scale")
- GetDefNumber(mtnscale, pdef, filename);
-
- else if (pdef->name()->value() == "fog_density")
- GetDefNumber(fog_density, pdef, filename);
-
- else if (pdef->name()->value() == "fog_scale")
- GetDefNumber(fog_scale, pdef, filename);
-
- else if (pdef->name()->value() == "haze_fade")
- GetDefNumber(haze_fade, pdef, filename);
-
- else if (pdef->name()->value() == "clouds_alt_high")
- GetDefNumber(clouds_alt_high, pdef, filename);
-
- else if (pdef->name()->value() == "clouds_alt_low")
- GetDefNumber(clouds_alt_low, pdef, filename);
-
- else if (pdef->name()->value() == "weather_period")
- GetDefNumber(w_period, pdef, filename);
-
- else if (pdef->name()->value() == "weather_clear")
- GetDefNumber(w_chances[0], pdef, filename);
- else if (pdef->name()->value() == "weather_high_clouds")
- GetDefNumber(w_chances[1], pdef, filename);
- else if (pdef->name()->value() == "weather_moderate_clouds")
- GetDefNumber(w_chances[2], pdef, filename);
- else if (pdef->name()->value() == "weather_overcast")
- GetDefNumber(w_chances[3], pdef, filename);
- else if (pdef->name()->value() == "weather_fog")
- GetDefNumber(w_chances[4], pdef, filename);
- else if (pdef->name()->value() == "weather_storm")
- GetDefNumber(w_chances[5], pdef, filename);
-
- else if (pdef->name()->value() == "layer") {
- if (!pdef->term() || !pdef->term()->isStruct()) {
- Print("WARNING: terrain layer struct missing in '%s'\n", filename);
- }
- else {
-
- if (!region)
- region = new(__FILE__,__LINE__) TerrainRegion(this, rgn_name, size, primary);
-
- TermStruct* val = pdef->term()->isStruct();
- ParseLayer(region, val);
- }
- }
- }
- }
-
- if (!region)
- region = new(__FILE__,__LINE__) TerrainRegion(this, rgn_name, size, primary);
-
- region->grid = grid;
- region->inclination = inclination;
- region->patch_name = patch_name;
- region->patch_texture = patch_texture;
- region->noise_tex0 = noise_tex0;
- region->noise_tex1 = noise_tex1;
- region->apron_name = apron_name;
- region->apron_texture = apron_texture;
- region->water_texture = water_texture;
- region->haze_name = haze_name;
- region->clouds_high = clouds_high;
- region->shades_high = shades_high;
- region->clouds_low = clouds_low;
- region->shades_low = shades_low;
- region->scale = scale;
- region->mtnscale = mtnscale;
- region->fog_density = fog_density;
- region->fog_scale = fog_scale;
- region->haze_fade = haze_fade;
- region->clouds_alt_high = clouds_alt_high;
- region->clouds_alt_low = clouds_alt_low;
-
- region->env_texture_positive_x = env_texture_positive_x;
- region->env_texture_negative_x = env_texture_negative_x;
- region->env_texture_positive_y = env_texture_positive_y;
- region->env_texture_negative_y = env_texture_negative_y;
- region->env_texture_positive_z = env_texture_positive_z;
- region->env_texture_negative_z = env_texture_negative_z;
-
- Weather& weather = region->GetWeather();
-
- weather.SetPeriod(w_period);
-
- for (int i = 0; i < Weather::NUM_STATES; i++)
- weather.SetChance(i, w_chances[i]);
-
- region->LoadSkyColors(sky_name);
-
- primary->regions.append(region);
- all_regions.append(region);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::ParseLayer(TerrainRegion* rgn, TermStruct* val)
-{
- Text tile_name;
- Text detail_name;
- double height = 0;
-
-
- for (int i = 0; i < val->elements()->size(); i++) {
- TermDef* pdef = val->elements()->at(i)->isDef();
- if (pdef) {
- if (pdef->name()->value().indexOf("tile") == 0)
- GetDefText(tile_name, pdef, filename);
-
- else if (pdef->name()->value().indexOf("detail") == 0)
- GetDefText(detail_name, pdef, filename);
-
- else if (pdef->name()->value().contains("height") ||
- pdef->name()->value().contains("alt"))
- GetDefNumber(height, pdef, filename);
- }
- }
-
- if (rgn)
- rgn->AddLayer(height, tile_name, detail_name);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::Create()
-{
- if (Game::Server())
- return;
-
- if (!instantiated) {
- Print("Creating Star System %s\n", (const char*) name);
-
- DataLoader* loader = DataLoader::GetLoader();
- loader->SetDataPath(datapath);
-
- // poly star shell:
- if (sky_poly_stars.length()) {
- poly_stars = new(__FILE__,__LINE__) Solid;
- poly_stars->Load(sky_poly_stars, 120);
- poly_stars->SetLuminous(true);
- poly_stars->SetInfinite(true);
-
- Print("Celestial Sphere '%s' loaded\n", (const char*) sky_poly_stars);
- Print(" radius: %f\n", poly_stars->Radius());
- }
-
- if (sky_stars) {
- Print("Point Stars: %d\n", sky_stars);
- point_stars = new(__FILE__,__LINE__) Stars(sky_stars);
- }
-
- loader->SetDataPath(datapath);
-
- // nebula:
- if (sky_nebula.length()) {
- nebula = new(__FILE__,__LINE__) Solid;
- nebula->Load(sky_nebula, 100);
- nebula->SetLuminous(true);
- nebula->SetInfinite(true);
-
- Print("Nebular Sky '%s' loaded\n", (const char*) sky_nebula);
- Print(" radius: %f\n", nebula->Radius());
- }
-
- // atmospheric haze:
- if (sky_haze.length()) {
- loader->SetDataPath(datapath);
- haze = new(__FILE__,__LINE__) TerrainHaze();
- haze->Load(sky_haze, 120);
-
- haze->SetInfinite(true);
-
- Print("Atmospheric Haze '%s' loaded\n", (const char*) sky_haze);
- Print(" radius: %f\n", haze->Radius());
-
- haze->Hide();
- }
-
- loader->SetDataPath(0);
-
- ListIter<OrbitalBody> star = bodies;
- while (++star) {
- CreateBody(*star);
-
- ListIter<OrbitalBody> planet = star->Satellites();
- while (++planet) {
- CreateBody(*planet);
-
- ListIter<OrbitalBody> moon = planet->Satellites();
- while (++moon) {
- CreateBody(*moon);
- }
- }
- }
- }
-
- instantiated = true;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::CreateBody(OrbitalBody& body)
-{
- DataLoader* loader = DataLoader::GetLoader();
- loader->SetDataPath(datapath);
-
- // stars:
- if (body.type == Orbital::STAR) {
- Point starloc = body.loc;
- starloc = starloc.OtherHand();
-
- PlanetRep* rep = new(__FILE__,__LINE__) PlanetRep(body.tex_name,
- 0,
- body.radius,
- starloc,
- body.tscale);
-
- rep->SetLuminous(true);
- rep->MoveTo(loc);
- body.rep = rep;
-
- sun_brightness = body.light;
- sun_color = body.color;
-
- Light* sun_light = new(__FILE__,__LINE__) Light(1.1f);
- sun_light->SetColor(sun_color);
- sun_light->SetShadow(true);
- sun_light->MoveTo(body.loc);
- sun_light->SetType(Light::LIGHT_DIRECTIONAL);
-
- sun_lights.append(sun_light);
- body.light_rep = sun_light;
-
- if (body.back != Color::Black) {
- Light* back_light = new(__FILE__,__LINE__) Light(0.6f);
- back_light->SetColor(body.back);
- back_light->SetShadow(false);
- back_light->MoveTo(body.loc * -1);
- back_light->SetType(Light::LIGHT_DIRECTIONAL);
-
- back_lights.append(back_light);
- body.back_light = back_light;
- }
- }
-
- // planets and moons:
- else {
- Point planetloc = body.loc;
- planetloc = planetloc.OtherHand();
-
- double rmax = 0;
- double rmin = 0;
-
- if (body.ring_max > 0) {
- rmax = body.ring_max*body.radius;
- rmin = body.ring_min*body.radius;
- }
-
- Text surface = body.tex_name;
- Text glow = body.tex_glow;
-
- if (Game::MaxTexSize() >= 512) {
- if (body.tex_high_res.length())
- surface = body.tex_high_res;
-
- if (body.tex_glow_high_res.length())
- glow = body.tex_glow_high_res;
- }
-
- PlanetRep* rep = new(__FILE__,__LINE__) PlanetRep(surface,
- glow,
- body.radius,
- planetloc,
- body.tscale,
- body.tex_ring,
- rmin,
- rmax,
- body.atmosphere,
- body.tex_gloss);
-
- rep->SetStarSystem(this);
-
- /***
- if (body.luminous) {
- rep->SetLuminous(1);
- }
- ***/
-
- if (body.tilt != 0) {
- Matrix m;
- m.Pitch(body.tilt);
-
- rep->SetOrientation(m);
- }
-
- body.rep = rep;
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::Destroy()
-{
- if (instantiated) {
- ListIter<OrbitalBody> star_iter = bodies;
- while (++star_iter) {
- OrbitalBody* star = star_iter.value();
-
- GRAPHIC_DESTROY(star->rep);
- LIGHT_DESTROY(star->light_rep);
- LIGHT_DESTROY(star->back_light);
-
- ListIter<OrbitalBody> planet = star->Satellites();
- while (++planet) {
- GRAPHIC_DESTROY(planet->rep);
-
- ListIter<OrbitalBody> moon = planet->Satellites();
- while (++moon) {
- GRAPHIC_DESTROY(moon->rep);
- }
- }
- }
-
- GRAPHIC_DESTROY(point_stars);
- GRAPHIC_DESTROY(poly_stars);
- GRAPHIC_DESTROY(nebula);
- GRAPHIC_DESTROY(haze);
-
- sun_lights.clear();
- back_lights.clear();
- }
-
- instantiated = false;
- sun_scale = 1;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::Activate(Scene& scene)
-{
- if (!instantiated)
- Create();
-
- Starshatter* stars = Starshatter::GetInstance();
-
- if (!stars)
- return;
-
- if (point_stars) {
- scene.AddBackground(point_stars);
- point_stars->Hide();
- }
-
- if (poly_stars) {
- scene.AddBackground(poly_stars);
- }
-
- if (stars->Nebula() && nebula) {
- scene.AddBackground(nebula);
- }
-
- if (haze) {
- scene.AddBackground(haze);
- haze->Hide();
- }
-
- ListIter<OrbitalBody> star_iter = bodies;
- while (++star_iter) {
- OrbitalBody* star = star_iter.value();
- scene.AddGraphic(star->rep);
- scene.AddLight(star->light_rep);
- if (nebula && stars && stars->Nebula()) {
- star->back_light->SetColor(star->back);
- }
- else {
- Color c = Color(60,60,65);
- star->back_light->SetColor(c);
- }
- scene.AddLight(star->back_light);
-
- if (nebula && stars && stars->Nebula()) {
- scene.SetAmbient(ambient);
- }
- else {
- Color c = ambient;
- int n = (c.Red() + c.Green() + c.Blue()) / 3;
-
- c = Color(n,n,n);
- scene.SetAmbient(c);
- }
-
- ListIter<OrbitalBody> planet = star->Satellites();
- while (++planet) {
- scene.AddGraphic(planet->rep);
-
- ListIter<OrbitalBody> moon = planet->Satellites();
- while (++moon) {
- scene.AddGraphic(moon->rep);
- }
- }
- }
-
- ExecFrame();
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::Deactivate()
-{
- if (!instantiated)
- return;
-
- active_region = 0;
-
- if (point_stars && point_stars->GetScene())
- point_stars->GetScene()->DelBackground(point_stars);
-
- if (poly_stars && poly_stars->GetScene())
- poly_stars->GetScene()->DelBackground(poly_stars);
-
- if (nebula && nebula->GetScene())
- nebula->GetScene()->DelBackground(nebula);
-
- if (haze && haze->GetScene()) {
- haze->GetScene()->DelBackground(haze);
- haze->Hide();
- }
-
- ListIter<OrbitalBody> star = bodies;
- while (++star) {
- if (star->rep && star->rep->GetScene())
- star->rep->GetScene()->DelGraphic(star->rep);
-
- if (star->light_rep && star->light_rep->GetScene())
- star->light_rep->GetScene()->DelLight(star->light_rep);
-
- if (star->back_light && star->back_light->GetScene())
- star->back_light->GetScene()->DelLight(star->back_light);
-
- ListIter<OrbitalBody> planet = star->Satellites();
- while (++planet) {
- if (planet->rep && planet->rep->GetScene())
- planet->rep->GetScene()->DelGraphic(planet->rep);
-
- ListIter<OrbitalBody> moon = planet->Satellites();
- while (++moon) {
- if (moon->rep && moon->rep->GetScene())
- moon->rep->GetScene()->DelGraphic(moon->rep);
- }
- }
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarSystem::SetActiveRegion(OrbitalRegion* rgn)
-{
- Scene* scene = 0;
-
- if (active_region != rgn) {
- active_region = rgn;
-
- if (active_region) {
- if (active_region->Type() != Orbital::TERRAIN) {
- if (point_stars) point_stars->Hide();
- if (poly_stars) poly_stars->Show();
- if (nebula) nebula->Show();
- if (haze) haze->Hide();
- }
- else {
- if (point_stars) point_stars->Show();
- if (poly_stars) poly_stars->Hide();
- if (nebula) nebula->Hide();
- if (haze) haze->Show();
- }
-
- if (poly_stars) {
- scene = poly_stars->GetScene();
- if (scene)
- scene->SetAmbient(ambient);
- }
- else if (nebula) {
- scene = nebula->GetScene();
- if (scene)
- scene->SetAmbient(ambient);
- }
-
- ListIter<OrbitalBody> star = bodies;
- while (++star) {
- if (star->rep)
- star->rep->Show();
- }
-
- ExecFrame();
- }
- else {
- if (point_stars) point_stars->Hide();
- if (poly_stars) poly_stars->Hide();
- if (nebula) nebula->Hide();
- if (haze) haze->Hide();
-
-
- ListIter<OrbitalBody> star = bodies;
- while (++star) {
- if (star->rep)
- star->rep->Hide();
-
- if (star->light_rep) {
- scene = star->light_rep->GetScene();
- if (scene)
- scene->DelLight(star->light_rep);
- }
-
- if (star->back_light) {
- scene = star->back_light->GetScene();
- if (scene)
- scene->DelLight(star->back_light);
- }
- }
- }
- }
-}
-
-// +--------------------------------------------------------------------+
-
-static BYTE max3(BYTE a, BYTE b, BYTE c)
-{
- if (a > b)
- if (a > c) return a;
- else return c;
- else
- if (b > c) return b;
- else return c;
-}
-
-static BYTE min3(BYTE a, BYTE b, BYTE c)
-{
- if (a < b)
- if (a < c) return a;
- else return c;
- else
- if (b < c) return b;
- else return c;
-}
-
-void
-StarSystem::ExecFrame()
-{
- CalcStardate();
-
- ListIter<OrbitalBody> star = bodies;
- while (++star)
- star->Update();
-
- ListIter<OrbitalRegion> region = regions;
- while (++region)
- region->Update();
-
- // update the graphic reps, relative to the active region:
- if (instantiated && active_region) {
- Point active_loc = active_region->Location();
- active_loc = active_loc.OtherHand();
-
- Scene* scene = 0;
- TerrainRegion* trgn = 0;
- bool terrain = (active_region->Type() == Orbital::TERRAIN);
- Matrix terrain_orientation;
- Matrix terrain_transformation;
-
- if (terrain) {
- trgn = (TerrainRegion*) active_region;
- Color tmp = trgn->SkyColor();
- Game::SetScreenColor(tmp);
-
- tvpn = (active_region->Location() - active_region->Primary()->Location());
- tvpn.Normalize();
- tvup = Point(0,0,-1);
- tvrt = tvpn.cross(tvup);
- tvrt.Normalize();
-
- terrain_orientation.Rotate(0, PI/2, 0);
- terrain_transformation = Matrix(tvrt, tvup, tvpn);
-
- if (point_stars) {
- point_stars->SetOrientation(terrain_transformation);
-
- Color sky_color = trgn->SkyColor();
- BYTE sky_red = (BYTE) sky_color.Red();
- BYTE sky_green = (BYTE) sky_color.Green();
- BYTE sky_blue = (BYTE) sky_color.Blue();
-
- BYTE Max = max3(sky_red, sky_green, sky_blue);
- BYTE Min = min3(sky_red, sky_green, sky_blue);
-
- BYTE lum = (BYTE) (240.0 * (Max + Min) / 510.0);
-
- if (lum > 50) {
- point_stars->Hide();
- }
- else {
- Stars* pstars = (Stars*) point_stars;
-
- pstars->Illuminate(1.0 - lum / 50.0);
- pstars->Show();
- }
-
- scene = point_stars->GetScene();
- }
-
- if (haze) {
- ((TerrainHaze*)haze)->UseTerrainRegion(trgn);
- scene = haze->GetScene();
- }
-
- if (scene) {
- scene->SetAmbient(ambient);
- }
-
- }
- else {
- Game::SetScreenColor(Color::Black);
- }
-
- double star_alt = 0;
-
- ListIter<OrbitalBody> star_iter = bodies;
- while (++star_iter) {
- OrbitalBody* star = star_iter.value();
-
- if (active_region->Inclination() != 0) {
- double distance = (active_region->Location() - star->Location()).length();
- star_alt = sin(active_region->Inclination()) * distance;
- }
-
- if (terrain) {
- Point sloc = TerrainTransform(star->Location());
-
- if (star->rep) {
- star->rep->MoveTo(sloc);
-
- PlanetRep* pr = (PlanetRep*) star->rep;
- pr->SetDaytime(true);
- }
-
- if (star->light_rep) {
- star->light_rep->MoveTo(sloc);
- star->light_rep->SetActive(sloc.y > -100);
- }
-
- if (star->back_light) {
- star->back_light->MoveTo(sloc * -1);
- star->back_light->SetActive(sloc.y > -100);
- }
-
- if (trgn && star->rep) {
- if (trgn->IsEclipsed())
- star->rep->Hide();
- else
- star->rep->Show();
- }
- }
-
- else {
- Point sloc = Point(star->Location() - active_region->Location()).OtherHand();
- sloc.y = star_alt;
-
- if (star->rep) {
- star->rep->MoveTo(sloc);
-
- PlanetRep* pr = (PlanetRep*) star->rep;
- pr->SetDaytime(false);
- }
-
- if (star->light_rep) {
- star->light_rep->MoveTo(sloc);
- star->light_rep->SetActive(true);
- }
-
- if (star->back_light) {
- star->back_light->MoveTo(sloc * -1);
- star->back_light->SetActive(true);
- }
- }
-
- ListIter<OrbitalBody> planet_iter = star->Satellites();
- while (++planet_iter) {
- OrbitalBody* planet = planet_iter.value();
-
- if (planet->rep) {
- PlanetRep* pr = (PlanetRep*) planet->rep;
-
- if (terrain) {
- pr->MoveTo(TerrainTransform(planet->Location()));
- pr->SetOrientation(terrain_orientation);
-
- if (planet == active_region->Primary()) {
- pr->Hide();
- }
-
- else {
- pr->Show();
- pr->SetDaytime(true);
- }
- }
- else {
- pr->Show();
- pr->TranslateBy(active_loc);
- pr->SetDaytime(false);
- }
- }
-
- ListIter<OrbitalBody> moon_iter = planet->Satellites();
- while (++moon_iter) {
- OrbitalBody* moon = moon_iter.value();
-
- if (moon->rep) {
- PlanetRep* pr = (PlanetRep*) moon->rep;
-
- if (terrain) {
- pr->MoveTo(TerrainTransform(moon->Location()));
- pr->SetOrientation(terrain_orientation);
-
- if (moon == active_region->Primary()) {
- pr->Hide();
- }
-
- else {
- pr->Show();
- pr->SetDaytime(true);
- }
- }
- else {
- pr->Show();
- pr->TranslateBy(active_loc);
- pr->SetDaytime(false);
- }
- }
- }
- }
- }
- }
-}
-
-// +--------------------------------------------------------------------+
-
-Orbital*
-StarSystem::FindOrbital(const char* name)
-{
- if (!name || !name[0])
- return 0;
-
- ListIter<OrbitalBody> star = bodies;
- while (++star) {
- if (!_stricmp(star->Name(), name))
- return star.value();
-
- ListIter<OrbitalRegion> star_rgn = star->Regions();
- while (++star_rgn) {
- if (!_stricmp(star_rgn->Name(), name))
- return star_rgn.value();
- }
-
- ListIter<OrbitalBody> planet = star->Satellites();
- while (++planet) {
- if (!_stricmp(planet->Name(), name))
- return planet.value();
-
- ListIter<OrbitalRegion> planet_rgn = planet->Regions();
- while (++planet_rgn) {
- if (!_stricmp(planet_rgn->Name(), name))
- return planet_rgn.value();
- }
-
- ListIter<OrbitalBody> moon = planet->Satellites();
- while (++moon) {
- if (!_stricmp(moon->Name(), name))
- return moon.value();
-
- ListIter<OrbitalRegion> moon_rgn = moon->Regions();
- while (++moon_rgn) {
- if (!_stricmp(moon_rgn->Name(), name))
- return moon_rgn.value();
- }
- }
- }
- }
-
- ListIter<OrbitalRegion> region = regions;
- while (++region) {
- if (!_stricmp(region->Name(), name))
- return region.value();
- }
-
- return 0;
-}
-
-// +--------------------------------------------------------------------+
-
-OrbitalRegion*
-StarSystem::FindRegion(const char* name)
-{
- if (!name || !name[0])
- return 0;
-
- ListIter<OrbitalRegion> region = all_regions;
- while (++region) {
- if (!_stricmp(region->Name(), name))
- return region.value();
- }
-
- return 0;
-}
-
-// +--------------------------------------------------------------------+
-
-bool
-StarSystem::HasLinkTo(StarSystem* s) const
-{
- ListIter<OrbitalRegion> iter = ((StarSystem*) this)->all_regions;
- while (++iter) {
- OrbitalRegion* rgn = iter.value();
-
- ListIter<Text> lnk_iter = rgn->Links();
- while (++lnk_iter) {
- Text* t = lnk_iter.value();
-
- if (s->FindRegion(*t))
- return true;
- }
- }
-
- return false;
-}
-
-// +--------------------------------------------------------------------+
-
-Point
-StarSystem::TerrainTransform(const Point& loc)
-{
- Point result;
-
- Point tmp = loc - active_region->Location();
-
- result.x = tmp * tvrt;
- result.z = tmp * tvup;
- result.y = tmp * tvpn;
-
- return result;
-}
-
-Color
-StarSystem::Ambient() const
-{
- Color result = ambient;
- bool terrain = (active_region && active_region->Type() == Orbital::TERRAIN);
-
- if (terrain) {
- TerrainRegion* trgn = (TerrainRegion*) active_region;
- result = trgn->Ambient();
-
- if (trgn->IsEclipsed())
- result = result * 0.3;
- }
-
- return result;
-}
-
-void
-StarSystem::SetSunlight(Color color, double brightness)
-{
- sun_color = color;
- sun_scale = brightness;
-
- ListIter<Light> sun_iter = sun_lights;
- while (++sun_iter) {
- Light* sun_light = sun_iter.value();
- sun_light->SetColor(color);
- sun_light->SetIntensity((float) (1.1 * sun_scale));
- }
-
- ListIter<Light> back_iter = back_lights;
- while (++back_iter) {
- Light* back_light = back_iter.value();
- back_light->SetIntensity((float) (0.5 * sun_scale));
- }
-}
-
-void
-StarSystem::SetBacklight(Color color, double brightness)
-{
- ListIter<Light> back_iter = back_lights;
- while (++back_iter) {
- Light* back_light = back_iter.value();
- back_light->SetColor(color);
- back_light->SetIntensity((float) (0.5 * brightness));
- }
-}
-
-void
-StarSystem::RestoreTrueSunColor()
-{
- ListIter<OrbitalBody> iter = bodies;
- while (++iter) {
- OrbitalBody* star = iter.value();
-
- if (star) {
- if (star->light_rep) {
- star->light_rep->SetColor(star->LightColor());
- star->light_rep->SetIntensity(1.1f);
- }
-
- if (star->back_light) {
- star->back_light->SetColor(star->back);
- star->back_light->SetIntensity(0.5f);
- }
- }
- }
-}
-
-// +====================================================================+
-
-Color
-Star::GetColor() const
-{
- return GetColor(seq);
-}
-
-int
-Star::GetSize() const
-{
- return GetSize(seq);
-}
-
-Color
-Star::GetColor(int s)
-{
- switch (s) {
- case O: return Color(128,128,255); break;
- case B: return Color(192,192,255); break;
- case A: return Color(220,220,255); break;
- case F: return Color(255,255,255); break;
- case G: return Color(255,255,128); break;
- case K: return Color(255,192,100); break;
- case M: return Color(255,100,100); break;
-
- case RED_GIANT: return Color(255, 80, 80); break;
- case WHITE_DWARF: return Color(255,255,255); break;
- case BLACK_HOLE: return Color( 0, 0, 0); break;
- }
-
- return Color::White;
-}
-
-int
-Star::GetSize(int s)
-{
- switch (s) {
- case O: return 4; break;
- case B: return 4; break;
- case A: return 3; break;
- case F: return 3; break;
- case G: return 2; break;
- case K: return 2; break;
- case M: return 1; break;
-
- case RED_GIANT: return 4; break;
- case WHITE_DWARF: return 1; break;
- case BLACK_HOLE: return 3; break;
- }
-
- return 3;
-}
-
-// +====================================================================+
-
-Orbital::Orbital(StarSystem* s, const char* n, OrbitalType t, double m, double r, double o, Orbital* p)
-: name(n), type(t), subtype(0), radius(r), mass(m), orbit(o),
-phase(0), period(0), rotation(0), retro(false),
-system(s), primary(p), loc(0, 0, 0), rep(0), velocity(0)
-{
- if (system && primary && orbit > 0) {
- velocity = sqrt(GRAV * primary->Mass() / orbit);
- period = 2 * PI * orbit / velocity;
- }
-
- Update();
-}
-
-// +--------------------------------------------------------------------+
-
-Orbital::~Orbital()
-{
- delete rep;
- regions.destroy();
-}
-
-// +--------------------------------------------------------------------+
-
-void
-Orbital::Update()
-{
- if (system && primary && orbit > 0) {
- double grade = (retro) ? -1 : 1;
-
- // orbits are counter clockwise:
- phase = -2 * PI * grade * StarSystem::Stardate() / period;
-
- loc = primary->Location() + Point((double) (orbit * cos(phase)),
- (double) (orbit * sin(phase)),
- 0);
- }
-
- ListIter<OrbitalRegion> region = regions;
- while (++region)
- region->Update();
-
- if (rep)
- rep->MoveTo(loc.OtherHand());
-}
-
-// +--------------------------------------------------------------------+
-
-Point
-Orbital::PredictLocation(double delta_t)
-{
- Point predicted_loc = Location();
-
- if (system && primary && orbit > 0) {
- predicted_loc = primary->PredictLocation(delta_t);
-
- double grade = (retro) ? -1 : 1;
-
- // orbits are(?) counter clockwise:
- double predicted_phase = (double) (-2 * PI * grade * (StarSystem::Stardate()+delta_t) / period);
-
- predicted_loc += Point((double) (orbit * cos(predicted_phase)),
- (double) (orbit * sin(predicted_phase)),
- 0);
- }
-
- return predicted_loc;
-}
-
-void
-Orbital::SetMapIcon(const Bitmap& img)
-{
- if (img.Width() >=64 && img.Height() >= 64) {
- map_icon.CopyBitmap(img);
- map_icon.AutoMask();
- map_icon.MakeTexture();
- }
-}
-
-// +====================================================================+
-
-OrbitalBody::OrbitalBody(StarSystem* s, const char* n, OrbitalType t, double m, double r, double o, Orbital* p)
-: Orbital(s, n, t, m, r, o, p), light(0), light_rep(0), back_light(0),
-ring_min(0), ring_max(0), tilt(0), luminous(false)
-{
- Update();
-}
-
-// +--------------------------------------------------------------------+
-
-OrbitalBody::~OrbitalBody()
-{
- satellites.destroy();
-}
-
-// +--------------------------------------------------------------------+
-
-void
-OrbitalBody::Update()
-{
- Orbital::Update();
-
- theta = 0;
-
- if (rotation > 0)
- theta = -2 * PI * StarSystem::Stardate() / rotation;
-
- ListIter<OrbitalBody> body = satellites;
- while (++body)
- body->Update();
-
- if (rep && theta != 0) {
- Matrix m;
- m.Pitch(tilt);
- m.Roll(tilt/2);
- m.Yaw(theta);
- rep->SetOrientation(m);
- }
-
- if (light_rep) {
- Point bodyloc = loc;
- bodyloc = bodyloc.OtherHand();
- light_rep->MoveTo(bodyloc);
- }
-}
-
-// +====================================================================+
-
-OrbitalRegion::OrbitalRegion(StarSystem* s, const char* n, double m, double r, double o, Orbital* p)
-: Orbital(s, n, REGION, m, r, o, p), grid(25.0e3f), inclination(0)
-{
-}
-
-// +--------------------------------------------------------------------+
-
-OrbitalRegion::~OrbitalRegion()
-{
- links.destroy();
-}
-
+/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: Stars.exe + FILE: StarSystem.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Various Heavenly Bodies +*/ + +#include "MemDebug.h" +#include "StarSystem.h" +#include "Galaxy.h" +#include "Sky.h" +#include "Starshatter.h" +#include "TerrainRegion.h" +#include "TerrainHaze.h" +#include "Weather.h" + +#include "Game.h" +#include "Sound.h" +#include "Solid.h" +#include "Light.h" +#include "Bitmap.h" +#include "DataLoader.h" +#include "Scene.h" +#include "ParseUtil.h" + +const double epoch = 0.5e9; +double StarSystem::stardate = 0; + +// +====================================================================+ + +static double base_time = 0; +static WORD oldcw = 0; +static WORD fpcw = 0; + +void FPU2Extended() +{ + _asm { fstcw oldcw } + fpcw = oldcw | 0x0300; // set 80-bit precision mode + _asm { fldcw fpcw } +} + +void FPURestore() +{ + // well, I don't actually WANT single-precision mode + // so I think I'll just ignore this... + + //_asm { fldcw oldcw } +} + +void StarSystem::SetBaseTime(double t, bool absolute) +{ + FPU2Extended(); + + if (absolute) { + base_time = t; + CalcStardate(); + } + + else if (t > 0) { + if (t > epoch) t -= epoch; + base_time = t; + CalcStardate(); + } +} + +double StarSystem::GetBaseTime() +{ + return base_time; +} + +void StarSystem::CalcStardate() +{ + if (base_time < 1) { + time_t clock_seconds; + time(&clock_seconds); + + base_time = clock_seconds; + + while (base_time < 0) + base_time += epoch; + } + + FPU2Extended(); + + double gtime = (double) Game::GameTime() / 1000.0; + double sdate = gtime + base_time + epoch; + + stardate = sdate; + + FPURestore(); +} + +static const double GRAV = 6.673e-11; +static const int NAMELEN = 64; + +// +====================================================================+ + +StarSystem::StarSystem(const char* sys_name, Point l, int iff, int s) +: name(sys_name), affiliation(iff), sky_stars(0), sky_dust(0), loc(l), seq(s), +active_region(0), instantiated(false), ambient(0,0,0), +sun_color(255,255,255), sun_scale(1), point_stars(0), poly_stars(0), +nebula(0), haze(0) +{ + center = new(__FILE__,__LINE__) Orbital(this, "CG", Orbital::NOTHING, 1.0e35f, 0.0f, 0.0f, 0); + radius = 0.0f; +} + +// +--------------------------------------------------------------------+ + +StarSystem::~StarSystem() +{ + Print(" Destroying Star System %s\n", (const char*) name); + + if (instantiated) { + Deactivate(); + Destroy(); + } + + bodies.destroy(); + regions.destroy(); + all_regions.clear(); // do not destroy these! + + delete center; +} + +// +--------------------------------------------------------------------+ + +static OrbitalBody* primary_star = 0; +static OrbitalBody* primary_planet = 0; +static OrbitalBody* primary_moon = 0; + +void +StarSystem::Load() +{ + CalcStardate(); + active_region = 0; + + BYTE* block = 0; + DataLoader* loader = DataLoader::GetLoader(); + datapath = loader->GetDataPath(); + + sprintf_s(filename, "%s/%s.def", (const char*) name, (const char*) name); + + Print("Loading StarSystem: %s\n", filename); + loader->LoadBuffer(filename, block, true); + + if (!block) { + Print("ERROR: invalid star system file '%s'\n", filename); + exit(-2); + return; + } + + Parser parser(new(__FILE__,__LINE__) BlockReader((const char*) block)); + + Term* term = parser.ParseTerm(); + + if (!term) { + Print("ERROR: could not parse '%s'\n", filename); + exit(-3); + return; + } + else { + TermText* file_type = term->isText(); + if (!file_type || file_type->value() != "STARSYSTEM") { + Print("ERROR: invalid star system file '%s'\n", filename); + term->print(10); + exit(-4); + return; + } + } + + // parse the system: + do { + delete term; + term = parser.ParseTerm(); + + if (term) { + TermDef* def = term->isDef(); + if (def) { + if (def->name()->value() == "name") { + char namebuf[NAMELEN]; + namebuf[0] = 0; + GetDefText(namebuf, def, filename); + + if (namebuf[0]) + name = namebuf; + } + + else if (def->name()->value() == "sky") { + if (!def->term() || !def->term()->isStruct()) { + Print("WARNING: sky struct missing in '%s'\n", filename); + } + else { + TermStruct* val = def->term()->isStruct(); + + char imgname[NAMELEN]; + char magname[NAMELEN]; + char hazname[NAMELEN]; + + imgname[0] = 0; + magname[0] = 0; + hazname[0] = 0; + + for (int i = 0; i < val->elements()->size(); i++) { + TermDef* pdef = val->elements()->at(i)->isDef(); + if (pdef) { + if (pdef->name()->value() == "poly_stars") + GetDefText(imgname, pdef, filename); + + else if (pdef->name()->value() == "nebula") + GetDefText(magname, pdef, filename); + + else if (pdef->name()->value() == "haze") + GetDefText(hazname, pdef, filename); + } + } + + if (imgname[0]) + sky_poly_stars = imgname; + + if (magname[0]) + sky_nebula = magname; + + if (hazname[0]) + sky_haze = hazname; + } + } + + else if (def->name()->value() == "stars") { + GetDefNumber(sky_stars, def, filename); + } + + else if (def->name()->value() == "ambient") { + Vec3 a; + GetDefVec(a, def, filename); + + ambient = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z) * 2.5; + } + + else if (def->name()->value() == "dust") { + GetDefNumber(sky_dust, def, filename); + } + + else if (def->name()->value() == "star") { + if (!def->term() || !def->term()->isStruct()) { + Print("WARNING: star struct missing in '%s'\n", filename); + } + else { + TermStruct* val = def->term()->isStruct(); + ParseStar(val); + } + } + + else if (def->name()->value() == "planet") { + if (!def->term() || !def->term()->isStruct()) { + Print("WARNING: planet struct missing in '%s'\n", filename); + } + else { + TermStruct* val = def->term()->isStruct(); + ParsePlanet(val); + } + } + + else if (def->name()->value() == "moon") { + if (!def->term() || !def->term()->isStruct()) { + Print("WARNING: moon struct missing in '%s'\n", filename); + } + else { + TermStruct* val = def->term()->isStruct(); + ParseMoon(val); + } + } + + else if (def->name()->value() == "region") { + if (!def->term() || !def->term()->isStruct()) { + Print("WARNING: region struct missing in '%s'\n", filename); + } + else { + TermStruct* val = def->term()->isStruct(); + ParseRegion(val); + } + } + + else if (def->name()->value() == "terrain") { + if (!def->term() || !def->term()->isStruct()) { + Print("WARNING: terrain struct missing in '%s'\n", filename); + } + else { + TermStruct* val = def->term()->isStruct(); + ParseTerrain(val); + } + } + + } + } + } + while (term); + + loader->ReleaseBuffer(block); +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::ParseStar(TermStruct* val) +{ + char star_name[NAMELEN]; + char img_name[NAMELEN]; + char map_name[NAMELEN]; + double light = 0.0; + double radius = 0.0; + double rot = 0.0; + double mass = 0.0; + double orbit = 0.0; + double tscale = 1.0; + bool retro = false; + Color color; + Color back; + + for (int i = 0; i < val->elements()->size(); i++) { + TermDef* pdef = val->elements()->at(i)->isDef(); + if (pdef) { + if (pdef->name()->value() == "name") + GetDefText(star_name, pdef, filename); + + else if (pdef->name()->value() == "map" || pdef->name()->value() == "icon") + GetDefText(map_name, pdef, filename); + + else if (pdef->name()->value() == "image") + GetDefText(img_name, pdef, filename); + + else if (pdef->name()->value() == "mass") + GetDefNumber(mass, pdef, filename); + + else if (pdef->name()->value() == "orbit") + GetDefNumber(orbit, pdef, filename); + + else if (pdef->name()->value() == "radius") + GetDefNumber(radius, pdef, filename); + + else if (pdef->name()->value() == "rotation") + GetDefNumber(rot, pdef, filename); + + else if (pdef->name()->value() == "tscale") + GetDefNumber(tscale, pdef, filename); + + else if (pdef->name()->value() == "light") + GetDefNumber(light, pdef, filename); + + else if (pdef->name()->value() == "retro") + GetDefBool(retro, pdef, filename); + + else if (pdef->name()->value() == "color") { + Vec3 a; + GetDefVec(a, pdef, filename); + color = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z); + } + + else if (pdef->name()->value() == "back" || pdef->name()->value() == "back_color") { + Vec3 a; + GetDefVec(a, pdef, filename); + back = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z); + } + } + } + + OrbitalBody* star = new(__FILE__,__LINE__) OrbitalBody(this, star_name, Orbital::STAR, mass, radius, orbit, center); + star->map_name = map_name; + star->tex_name = img_name; + star->light = light; + star->tscale = tscale; + star->subtype = Star::G; + star->retro = retro; + star->rotation = rot * 3600; + star->color = color; + star->back = back; + + // map icon: + if (*map_name) { + DataLoader::GetLoader()->LoadBitmap(map_name, star->map_icon, Bitmap::BMP_TRANSLUCENT, true); + } + + bodies.append(star); + primary_star = star; + primary_planet = 0; + primary_moon = 0; + + if (orbit > StarSystem::radius) + StarSystem::radius = orbit; +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::ParsePlanet(TermStruct* val) +{ + char pln_name[NAMELEN]; + char img_name[NAMELEN]; + char map_name[NAMELEN]; + char hi_name[NAMELEN]; + char img_ring[NAMELEN]; + char glo_name[NAMELEN]; + char glo_hi_name[NAMELEN]; + char gloss_name[NAMELEN]; + + double radius = 0.0; + double mass = 0.0; + double orbit = 0.0; + double rot = 0.0; + double minrad = 0.0; + double maxrad = 0.0; + double tscale = 1.0; + double tilt = 0.0; + bool retro = false; + bool lumin = false; + Color atmos = Color::Black; + + ZeroMemory(pln_name, NAMELEN); + ZeroMemory(hi_name, NAMELEN); + ZeroMemory(img_ring, NAMELEN); + ZeroMemory(glo_name, NAMELEN); + ZeroMemory(glo_hi_name, NAMELEN); + ZeroMemory(gloss_name, NAMELEN); + ZeroMemory(map_name, NAMELEN); + + for (int i = 0; i < val->elements()->size(); i++) { + TermDef* pdef = val->elements()->at(i)->isDef(); + if (pdef) { + if (pdef->name()->value() == "name") + GetDefText(pln_name, pdef, filename); + + else if (pdef->name()->value() == "map" || pdef->name()->value() == "icon") + GetDefText(map_name, pdef, filename); + + else if (pdef->name()->value() == "image") + GetDefText(img_name, pdef, filename); + + else if (pdef->name()->value() == "image_west") + GetDefText(img_name, pdef, filename); + + else if (pdef->name()->value() == "image_east") + GetDefText(img_name, pdef, filename); + + else if (pdef->name()->value() == "glow") + GetDefText(glo_name, pdef, filename); + + else if (pdef->name()->value() == "gloss") + GetDefText(gloss_name, pdef, filename); + + else if (pdef->name()->value() == "high_res") + GetDefText(hi_name, pdef, filename); + + else if (pdef->name()->value() == "high_res_west") + GetDefText(hi_name, pdef, filename); + + else if (pdef->name()->value() == "high_res_east") + GetDefText(hi_name, pdef, filename); + + else if (pdef->name()->value() == "glow_high_res") + GetDefText(glo_hi_name, pdef, filename); + + else if (pdef->name()->value() == "mass") + GetDefNumber(mass, pdef, filename); + + else if (pdef->name()->value() == "orbit") + GetDefNumber(orbit, pdef, filename); + + else if (pdef->name()->value() == "retro") + GetDefBool(retro, pdef, filename); + + else if (pdef->name()->value() == "luminous") + GetDefBool(lumin, pdef, filename); + + else if (pdef->name()->value() == "rotation") + GetDefNumber(rot, pdef, filename); + + else if (pdef->name()->value() == "radius") + GetDefNumber(radius, pdef, filename); + + else if (pdef->name()->value() == "ring") + GetDefText(img_ring, pdef, filename); + + else if (pdef->name()->value() == "minrad") + GetDefNumber(minrad, pdef, filename); + + else if (pdef->name()->value() == "maxrad") + GetDefNumber(maxrad, pdef, filename); + + else if (pdef->name()->value() == "tscale") + GetDefNumber(tscale, pdef, filename); + + else if (pdef->name()->value() == "tilt") + GetDefNumber(tilt, pdef, filename); + + else if (pdef->name()->value() == "atmosphere") { + Vec3 a; + GetDefVec(a, pdef, filename); + atmos = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z); + } + } + } + + OrbitalBody* planet = new(__FILE__,__LINE__) OrbitalBody(this, pln_name, Orbital::PLANET, mass, radius, orbit, primary_star); + planet->map_name = map_name; + planet->tex_name = img_name; + planet->tex_high_res = hi_name; + planet->tex_ring = img_ring; + planet->tex_glow = glo_name; + planet->tex_glow_high_res = glo_hi_name; + planet->tex_gloss = gloss_name; + planet->ring_min = minrad; + planet->ring_max = maxrad; + planet->tscale = tscale; + planet->tilt = tilt; + planet->retro = retro; + planet->luminous = lumin; + planet->rotation = rot * 3600; + planet->atmosphere = atmos; + + if (primary_star) + primary_star->satellites.append(planet); + else + bodies.append(planet); + + primary_planet = planet; + primary_moon = 0; + + if (orbit > StarSystem::radius) + StarSystem::radius = orbit; + + // map icon: + if (map_name[0]) { + DataLoader::GetLoader()->LoadBitmap(map_name, planet->map_icon, Bitmap::BMP_TRANSLUCENT, true); + } +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::ParseMoon(TermStruct* val) +{ + char map_name[NAMELEN]; + char pln_name[NAMELEN]; + char img_name[NAMELEN]; + char hi_name[NAMELEN]; + char glo_name[NAMELEN]; + char glo_hi_name[NAMELEN]; + char gloss_name[NAMELEN]; + + double radius = 0.0; + double mass = 0.0; + double orbit = 0.0; + double rot = 0.0; + double tscale = 1.0; + double tilt = 0.0; + bool retro = false; + Color atmos = Color::Black; + + ZeroMemory(map_name, NAMELEN); + ZeroMemory(pln_name, NAMELEN); + ZeroMemory(hi_name, NAMELEN); + ZeroMemory(img_name, NAMELEN); + ZeroMemory(glo_name, NAMELEN); + ZeroMemory(glo_hi_name, NAMELEN); + ZeroMemory(gloss_name, NAMELEN); + + for (int i = 0; i < val->elements()->size(); i++) { + TermDef* pdef = val->elements()->at(i)->isDef(); + if (pdef) { + if (pdef->name()->value() == "name") + GetDefText(pln_name, pdef, filename); + + else if (pdef->name()->value() == "map" || pdef->name()->value() == "icon") + GetDefText(map_name, pdef, filename); + + else if (pdef->name()->value() == "image") + GetDefText(img_name, pdef, filename); + + else if (pdef->name()->value() == "glow") + GetDefText(glo_name, pdef, filename); + + else if (pdef->name()->value() == "high_res") + GetDefText(hi_name, pdef, filename); + + else if (pdef->name()->value() == "glow_high_res") + GetDefText(glo_hi_name, pdef, filename); + + else if (pdef->name()->value() == "gloss") + GetDefText(gloss_name, pdef, filename); + + else if (pdef->name()->value() == "mass") + GetDefNumber(mass, pdef, filename); + + else if (pdef->name()->value() == "orbit") + GetDefNumber(orbit, pdef, filename); + + else if (pdef->name()->value() == "rotation") + GetDefNumber(rot, pdef, filename); + + else if (pdef->name()->value() == "retro") + GetDefBool(retro, pdef, filename); + + else if (pdef->name()->value() == "radius") + GetDefNumber(radius, pdef, filename); + + else if (pdef->name()->value() == "tscale") + GetDefNumber(tscale, pdef, filename); + + else if (pdef->name()->value() == "inclination") + GetDefNumber(tilt, pdef, filename); + + else if (pdef->name()->value() == "atmosphere") { + Vec3 a; + GetDefVec(a, pdef, filename); + atmos = Color((BYTE) a.x, (BYTE) a.y, (BYTE) a.z); + } + } + } + + OrbitalBody* moon = new(__FILE__,__LINE__) OrbitalBody(this, pln_name, Orbital::MOON, mass, radius, orbit, primary_planet); + moon->map_name = map_name; + moon->tex_name = img_name; + moon->tex_high_res = hi_name; + moon->tex_glow = glo_name; + moon->tex_glow_high_res = glo_hi_name; + moon->tex_gloss = gloss_name; + moon->tscale = tscale; + moon->retro = retro; + moon->rotation = rot * 3600; + moon->tilt = tilt; + moon->atmosphere = atmos; + + if (primary_planet) + primary_planet->satellites.append(moon); + else { + Print("WARNING: no planet for moon %s in '%s', deleted.\n", pln_name, filename); + delete moon; + moon = 0; + } + + primary_moon = moon; + + // map icon: + if (map_name[0]) { + DataLoader::GetLoader()->LoadBitmap(map_name, moon->map_icon, Bitmap::BMP_TRANSLUCENT, true); + } +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::ParseRegion(TermStruct* val) +{ + char rgn_name[NAMELEN]; + char lnk_name[NAMELEN]; + double size = 1.0e6; + double orbit = 0.0; + double grid = 25000; + double inclination = 0.0; + int asteroids = 0; + + List<Text> links; + + for (int i = 0; i < val->elements()->size(); i++) { + TermDef* pdef = val->elements()->at(i)->isDef(); + if (pdef) { + if (pdef->name()->value() == "name") + GetDefText(rgn_name, pdef, filename); + + else if (pdef->name()->value() == "link") { + GetDefText(lnk_name, pdef, filename); + if (lnk_name[0]) { + links.append(new(__FILE__,__LINE__) Text(lnk_name)); + } + } + + else if (pdef->name()->value() == "orbit") + GetDefNumber(orbit, pdef, filename); + + else if (pdef->name()->value() == "size") + GetDefNumber(size, pdef, filename); + + else if (pdef->name()->value() == "radius") + GetDefNumber(size, pdef, filename); + + else if (pdef->name()->value() == "grid") + GetDefNumber(grid, pdef, filename); + + else if (pdef->name()->value() == "inclination") + GetDefNumber(inclination, pdef, filename); + + else if (pdef->name()->value() == "asteroids") + GetDefNumber(asteroids, pdef, filename); + } + } + + Orbital* primary = primary_moon; + if (!primary) primary = primary_planet; + if (!primary) primary = primary_star; + + OrbitalRegion* region = new(__FILE__,__LINE__) OrbitalRegion(this, rgn_name, 0, size, orbit, primary); + region->grid = grid; + region->inclination = inclination; + region->asteroids = asteroids; + region->links.append(links); + + if (primary) + primary->regions.append(region); + else + regions.append(region); + + all_regions.append(region); + + if (orbit > StarSystem::radius) + StarSystem::radius = orbit; +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::ParseTerrain(TermStruct* val) +{ + Orbital* primary = primary_moon; + if (!primary) primary = primary_planet; + + if (!primary) { + Print("WARNING: Terrain region with no primary ignored in '%s'\n", filename); + return; + } + + TerrainRegion* region = 0; + + Text rgn_name; + Text patch_name; + Text patch_texture; + Text noise_tex0; + Text noise_tex1; + Text apron_name; + Text apron_texture; + Text water_texture; + Text env_texture_positive_x; + Text env_texture_negative_x; + Text env_texture_positive_y; + Text env_texture_negative_y; + Text env_texture_positive_z; + Text env_texture_negative_z; + Text haze_name; + Text sky_name; + Text clouds_high; + Text clouds_low; + Text shades_high; + Text shades_low; + + double size = 1.0e6; + double grid = 25000; + double inclination = 0.0; + double scale = 10e3; + double mtnscale = 1e3; + double fog_density = 0; + double fog_scale = 0; + double haze_fade = 0; + double clouds_alt_high= 0; + double clouds_alt_low= 0; + double w_period = 0; + double w_chances[Weather::NUM_STATES]; + + ZeroMemory(w_chances, sizeof(w_chances)); + + for (int i = 0; i < val->elements()->size(); i++) { + TermDef* pdef = val->elements()->at(i)->isDef(); + if (pdef) { + if (pdef->name()->value() == "name") + GetDefText(rgn_name, pdef, filename); + + else if (pdef->name()->value() == "patch") + GetDefText(patch_name, pdef, filename); + + else if (pdef->name()->value() == "patch_texture") + GetDefText(patch_texture, pdef, filename); + + else if (pdef->name()->value() == "detail_texture_0") + GetDefText(noise_tex0, pdef, filename); + + else if (pdef->name()->value() == "detail_texture_1") + GetDefText(noise_tex1, pdef, filename); + + else if (pdef->name()->value() == "apron") + GetDefText(apron_name, pdef, filename); + + else if (pdef->name()->value() == "apron_texture") + GetDefText(apron_texture, pdef, filename); + + else if (pdef->name()->value() == "water_texture") + GetDefText(water_texture, pdef, filename); + + else if (pdef->name()->value() == "env_texture_positive_x") + GetDefText(env_texture_positive_x, pdef, filename); + + else if (pdef->name()->value() == "env_texture_negative_x") + GetDefText(env_texture_negative_x, pdef, filename); + + else if (pdef->name()->value() == "env_texture_positive_y") + GetDefText(env_texture_positive_y, pdef, filename); + + else if (pdef->name()->value() == "env_texture_negative_y") + GetDefText(env_texture_negative_y, pdef, filename); + + else if (pdef->name()->value() == "env_texture_positive_z") + GetDefText(env_texture_positive_z, pdef, filename); + + else if (pdef->name()->value() == "env_texture_negative_z") + GetDefText(env_texture_negative_z, pdef, filename); + + else if (pdef->name()->value() == "clouds_high") + GetDefText(clouds_high, pdef, filename); + + else if (pdef->name()->value() == "shades_high") + GetDefText(shades_high, pdef, filename); + + else if (pdef->name()->value() == "clouds_low") + GetDefText(clouds_low, pdef, filename); + + else if (pdef->name()->value() == "shades_low") + GetDefText(shades_low, pdef, filename); + + else if (pdef->name()->value() == "haze") + GetDefText(haze_name, pdef, filename); + + else if (pdef->name()->value() == "sky_color") + GetDefText(sky_name, pdef, filename); + + else if (pdef->name()->value() == "size" || + pdef->name()->value() == "radius") + GetDefNumber(size, pdef, filename); + + else if (pdef->name()->value() == "grid") + GetDefNumber(grid, pdef, filename); + + else if (pdef->name()->value() == "inclination") + GetDefNumber(inclination, pdef, filename); + + else if (pdef->name()->value() == "scale") + GetDefNumber(scale, pdef, filename); + + else if (pdef->name()->value() == "mtnscale" || + pdef->name()->value() == "mtn_scale") + GetDefNumber(mtnscale, pdef, filename); + + else if (pdef->name()->value() == "fog_density") + GetDefNumber(fog_density, pdef, filename); + + else if (pdef->name()->value() == "fog_scale") + GetDefNumber(fog_scale, pdef, filename); + + else if (pdef->name()->value() == "haze_fade") + GetDefNumber(haze_fade, pdef, filename); + + else if (pdef->name()->value() == "clouds_alt_high") + GetDefNumber(clouds_alt_high, pdef, filename); + + else if (pdef->name()->value() == "clouds_alt_low") + GetDefNumber(clouds_alt_low, pdef, filename); + + else if (pdef->name()->value() == "weather_period") + GetDefNumber(w_period, pdef, filename); + + else if (pdef->name()->value() == "weather_clear") + GetDefNumber(w_chances[0], pdef, filename); + else if (pdef->name()->value() == "weather_high_clouds") + GetDefNumber(w_chances[1], pdef, filename); + else if (pdef->name()->value() == "weather_moderate_clouds") + GetDefNumber(w_chances[2], pdef, filename); + else if (pdef->name()->value() == "weather_overcast") + GetDefNumber(w_chances[3], pdef, filename); + else if (pdef->name()->value() == "weather_fog") + GetDefNumber(w_chances[4], pdef, filename); + else if (pdef->name()->value() == "weather_storm") + GetDefNumber(w_chances[5], pdef, filename); + + else if (pdef->name()->value() == "layer") { + if (!pdef->term() || !pdef->term()->isStruct()) { + Print("WARNING: terrain layer struct missing in '%s'\n", filename); + } + else { + + if (!region) + region = new(__FILE__,__LINE__) TerrainRegion(this, rgn_name, size, primary); + + TermStruct* val = pdef->term()->isStruct(); + ParseLayer(region, val); + } + } + } + } + + if (!region) + region = new(__FILE__,__LINE__) TerrainRegion(this, rgn_name, size, primary); + + region->grid = grid; + region->inclination = inclination; + region->patch_name = patch_name; + region->patch_texture = patch_texture; + region->noise_tex0 = noise_tex0; + region->noise_tex1 = noise_tex1; + region->apron_name = apron_name; + region->apron_texture = apron_texture; + region->water_texture = water_texture; + region->haze_name = haze_name; + region->clouds_high = clouds_high; + region->shades_high = shades_high; + region->clouds_low = clouds_low; + region->shades_low = shades_low; + region->scale = scale; + region->mtnscale = mtnscale; + region->fog_density = fog_density; + region->fog_scale = fog_scale; + region->haze_fade = haze_fade; + region->clouds_alt_high = clouds_alt_high; + region->clouds_alt_low = clouds_alt_low; + + region->env_texture_positive_x = env_texture_positive_x; + region->env_texture_negative_x = env_texture_negative_x; + region->env_texture_positive_y = env_texture_positive_y; + region->env_texture_negative_y = env_texture_negative_y; + region->env_texture_positive_z = env_texture_positive_z; + region->env_texture_negative_z = env_texture_negative_z; + + Weather& weather = region->GetWeather(); + + weather.SetPeriod(w_period); + + for (int i = 0; i < Weather::NUM_STATES; i++) + weather.SetChance(i, w_chances[i]); + + region->LoadSkyColors(sky_name); + + primary->regions.append(region); + all_regions.append(region); +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::ParseLayer(TerrainRegion* rgn, TermStruct* val) +{ + Text tile_name; + Text detail_name; + double height = 0; + + + for (int i = 0; i < val->elements()->size(); i++) { + TermDef* pdef = val->elements()->at(i)->isDef(); + if (pdef) { + if (pdef->name()->value().indexOf("tile") == 0) + GetDefText(tile_name, pdef, filename); + + else if (pdef->name()->value().indexOf("detail") == 0) + GetDefText(detail_name, pdef, filename); + + else if (pdef->name()->value().contains("height") || + pdef->name()->value().contains("alt")) + GetDefNumber(height, pdef, filename); + } + } + + if (rgn) + rgn->AddLayer(height, tile_name, detail_name); +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::Create() +{ + if (Game::Server()) + return; + + if (!instantiated) { + Print("Creating Star System %s\n", (const char*) name); + + DataLoader* loader = DataLoader::GetLoader(); + loader->SetDataPath(datapath); + + // poly star shell: + if (sky_poly_stars.length()) { + poly_stars = new(__FILE__,__LINE__) Solid; + poly_stars->Load(sky_poly_stars, 120); + poly_stars->SetLuminous(true); + poly_stars->SetInfinite(true); + + Print("Celestial Sphere '%s' loaded\n", (const char*) sky_poly_stars); + Print(" radius: %f\n", poly_stars->Radius()); + } + + if (sky_stars) { + Print("Point Stars: %d\n", sky_stars); + point_stars = new(__FILE__,__LINE__) Stars(sky_stars); + } + + loader->SetDataPath(datapath); + + // nebula: + if (sky_nebula.length()) { + nebula = new(__FILE__,__LINE__) Solid; + nebula->Load(sky_nebula, 100); + nebula->SetLuminous(true); + nebula->SetInfinite(true); + + Print("Nebular Sky '%s' loaded\n", (const char*) sky_nebula); + Print(" radius: %f\n", nebula->Radius()); + } + + // atmospheric haze: + if (sky_haze.length()) { + loader->SetDataPath(datapath); + haze = new(__FILE__,__LINE__) TerrainHaze(); + haze->Load(sky_haze, 120); + + haze->SetInfinite(true); + + Print("Atmospheric Haze '%s' loaded\n", (const char*) sky_haze); + Print(" radius: %f\n", haze->Radius()); + + haze->Hide(); + } + + loader->SetDataPath(0); + + ListIter<OrbitalBody> star = bodies; + while (++star) { + CreateBody(*star); + + ListIter<OrbitalBody> planet = star->Satellites(); + while (++planet) { + CreateBody(*planet); + + ListIter<OrbitalBody> moon = planet->Satellites(); + while (++moon) { + CreateBody(*moon); + } + } + } + } + + instantiated = true; +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::CreateBody(OrbitalBody& body) +{ + DataLoader* loader = DataLoader::GetLoader(); + loader->SetDataPath(datapath); + + // stars: + if (body.type == Orbital::STAR) { + Point starloc = body.loc; + starloc = starloc.OtherHand(); + + PlanetRep* rep = new(__FILE__,__LINE__) PlanetRep(body.tex_name, + 0, + body.radius, + starloc, + body.tscale); + + rep->SetLuminous(true); + rep->MoveTo(loc); + body.rep = rep; + + sun_brightness = body.light; + sun_color = body.color; + + Light* sun_light = new(__FILE__,__LINE__) Light(1.1f); + sun_light->SetColor(sun_color); + sun_light->SetShadow(true); + sun_light->MoveTo(body.loc); + sun_light->SetType(Light::LIGHT_DIRECTIONAL); + + sun_lights.append(sun_light); + body.light_rep = sun_light; + + if (body.back != Color::Black) { + Light* back_light = new(__FILE__,__LINE__) Light(0.6f); + back_light->SetColor(body.back); + back_light->SetShadow(false); + back_light->MoveTo(body.loc * -1); + back_light->SetType(Light::LIGHT_DIRECTIONAL); + + back_lights.append(back_light); + body.back_light = back_light; + } + } + + // planets and moons: + else { + Point planetloc = body.loc; + planetloc = planetloc.OtherHand(); + + double rmax = 0; + double rmin = 0; + + if (body.ring_max > 0) { + rmax = body.ring_max*body.radius; + rmin = body.ring_min*body.radius; + } + + Text surface = body.tex_name; + Text glow = body.tex_glow; + + if (Game::MaxTexSize() >= 512) { + if (body.tex_high_res.length()) + surface = body.tex_high_res; + + if (body.tex_glow_high_res.length()) + glow = body.tex_glow_high_res; + } + + PlanetRep* rep = new(__FILE__,__LINE__) PlanetRep(surface, + glow, + body.radius, + planetloc, + body.tscale, + body.tex_ring, + rmin, + rmax, + body.atmosphere, + body.tex_gloss); + + rep->SetStarSystem(this); + + /*** + if (body.luminous) { + rep->SetLuminous(1); + } + ***/ + + if (body.tilt != 0) { + Matrix m; + m.Pitch(body.tilt); + + rep->SetOrientation(m); + } + + body.rep = rep; + } +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::Destroy() +{ + if (instantiated) { + ListIter<OrbitalBody> star_iter = bodies; + while (++star_iter) { + OrbitalBody* star = star_iter.value(); + + GRAPHIC_DESTROY(star->rep); + LIGHT_DESTROY(star->light_rep); + LIGHT_DESTROY(star->back_light); + + ListIter<OrbitalBody> planet = star->Satellites(); + while (++planet) { + GRAPHIC_DESTROY(planet->rep); + + ListIter<OrbitalBody> moon = planet->Satellites(); + while (++moon) { + GRAPHIC_DESTROY(moon->rep); + } + } + } + + GRAPHIC_DESTROY(point_stars); + GRAPHIC_DESTROY(poly_stars); + GRAPHIC_DESTROY(nebula); + GRAPHIC_DESTROY(haze); + + sun_lights.clear(); + back_lights.clear(); + } + + instantiated = false; + sun_scale = 1; +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::Activate(Scene& scene) +{ + if (!instantiated) + Create(); + + Starshatter* stars = Starshatter::GetInstance(); + + if (!stars) + return; + + if (point_stars) { + scene.AddBackground(point_stars); + point_stars->Hide(); + } + + if (poly_stars) { + scene.AddBackground(poly_stars); + } + + if (stars->Nebula() && nebula) { + scene.AddBackground(nebula); + } + + if (haze) { + scene.AddBackground(haze); + haze->Hide(); + } + + ListIter<OrbitalBody> star_iter = bodies; + while (++star_iter) { + OrbitalBody* star = star_iter.value(); + scene.AddGraphic(star->rep); + scene.AddLight(star->light_rep); + if (nebula && stars && stars->Nebula()) { + star->back_light->SetColor(star->back); + } + else { + Color c = Color(60,60,65); + star->back_light->SetColor(c); + } + scene.AddLight(star->back_light); + + if (nebula && stars && stars->Nebula()) { + scene.SetAmbient(ambient); + } + else { + Color c = ambient; + int n = (c.Red() + c.Green() + c.Blue()) / 3; + + c = Color(n,n,n); + scene.SetAmbient(c); + } + + ListIter<OrbitalBody> planet = star->Satellites(); + while (++planet) { + scene.AddGraphic(planet->rep); + + ListIter<OrbitalBody> moon = planet->Satellites(); + while (++moon) { + scene.AddGraphic(moon->rep); + } + } + } + + ExecFrame(); +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::Deactivate() +{ + if (!instantiated) + return; + + active_region = 0; + + if (point_stars && point_stars->GetScene()) + point_stars->GetScene()->DelBackground(point_stars); + + if (poly_stars && poly_stars->GetScene()) + poly_stars->GetScene()->DelBackground(poly_stars); + + if (nebula && nebula->GetScene()) + nebula->GetScene()->DelBackground(nebula); + + if (haze && haze->GetScene()) { + haze->GetScene()->DelBackground(haze); + haze->Hide(); + } + + ListIter<OrbitalBody> star = bodies; + while (++star) { + if (star->rep && star->rep->GetScene()) + star->rep->GetScene()->DelGraphic(star->rep); + + if (star->light_rep && star->light_rep->GetScene()) + star->light_rep->GetScene()->DelLight(star->light_rep); + + if (star->back_light && star->back_light->GetScene()) + star->back_light->GetScene()->DelLight(star->back_light); + + ListIter<OrbitalBody> planet = star->Satellites(); + while (++planet) { + if (planet->rep && planet->rep->GetScene()) + planet->rep->GetScene()->DelGraphic(planet->rep); + + ListIter<OrbitalBody> moon = planet->Satellites(); + while (++moon) { + if (moon->rep && moon->rep->GetScene()) + moon->rep->GetScene()->DelGraphic(moon->rep); + } + } + } +} + +// +--------------------------------------------------------------------+ + +void +StarSystem::SetActiveRegion(OrbitalRegion* rgn) +{ + Scene* scene = 0; + + if (active_region != rgn) { + active_region = rgn; + + if (active_region) { + if (active_region->Type() != Orbital::TERRAIN) { + if (point_stars) point_stars->Hide(); + if (poly_stars) poly_stars->Show(); + if (nebula) nebula->Show(); + if (haze) haze->Hide(); + } + else { + if (point_stars) point_stars->Show(); + if (poly_stars) poly_stars->Hide(); + if (nebula) nebula->Hide(); + if (haze) haze->Show(); + } + + if (poly_stars) { + scene = poly_stars->GetScene(); + if (scene) + scene->SetAmbient(ambient); + } + else if (nebula) { + scene = nebula->GetScene(); + if (scene) + scene->SetAmbient(ambient); + } + + ListIter<OrbitalBody> star = bodies; + while (++star) { + if (star->rep) + star->rep->Show(); + } + + ExecFrame(); + } + else { + if (point_stars) point_stars->Hide(); + if (poly_stars) poly_stars->Hide(); + if (nebula) nebula->Hide(); + if (haze) haze->Hide(); + + + ListIter<OrbitalBody> star = bodies; + while (++star) { + if (star->rep) + star->rep->Hide(); + + if (star->light_rep) { + scene = star->light_rep->GetScene(); + if (scene) + scene->DelLight(star->light_rep); + } + + if (star->back_light) { + scene = star->back_light->GetScene(); + if (scene) + scene->DelLight(star->back_light); + } + } + } + } +} + +// +--------------------------------------------------------------------+ + +static BYTE max3(BYTE a, BYTE b, BYTE c) +{ + if (a > b) + if (a > c) return a; + else return c; + else + if (b > c) return b; + else return c; +} + +static BYTE min3(BYTE a, BYTE b, BYTE c) +{ + if (a < b) + if (a < c) return a; + else return c; + else + if (b < c) return b; + else return c; +} + +void +StarSystem::ExecFrame() +{ + CalcStardate(); + + ListIter<OrbitalBody> star = bodies; + while (++star) + star->Update(); + + ListIter<OrbitalRegion> region = regions; + while (++region) + region->Update(); + + // update the graphic reps, relative to the active region: + if (instantiated && active_region) { + Point active_loc = active_region->Location(); + active_loc = active_loc.OtherHand(); + + Scene* scene = 0; + TerrainRegion* trgn = 0; + bool terrain = (active_region->Type() == Orbital::TERRAIN); + Matrix terrain_orientation; + Matrix terrain_transformation; + + if (terrain) { + trgn = (TerrainRegion*) active_region; + Color tmp = trgn->SkyColor(); + Game::SetScreenColor(tmp); + + tvpn = (active_region->Location() - active_region->Primary()->Location()); + tvpn.Normalize(); + tvup = Point(0,0,-1); + tvrt = tvpn.cross(tvup); + tvrt.Normalize(); + + terrain_orientation.Rotate(0, PI/2, 0); + terrain_transformation = Matrix(tvrt, tvup, tvpn); + + if (point_stars) { + point_stars->SetOrientation(terrain_transformation); + + Color sky_color = trgn->SkyColor(); + BYTE sky_red = (BYTE) sky_color.Red(); + BYTE sky_green = (BYTE) sky_color.Green(); + BYTE sky_blue = (BYTE) sky_color.Blue(); + + BYTE Max = max3(sky_red, sky_green, sky_blue); + BYTE Min = min3(sky_red, sky_green, sky_blue); + + BYTE lum = (BYTE) (240.0 * (Max + Min) / 510.0); + + if (lum > 50) { + point_stars->Hide(); + } + else { + Stars* pstars = (Stars*) point_stars; + + pstars->Illuminate(1.0 - lum / 50.0); + pstars->Show(); + } + + scene = point_stars->GetScene(); + } + + if (haze) { + ((TerrainHaze*)haze)->UseTerrainRegion(trgn); + scene = haze->GetScene(); + } + + if (scene) { + scene->SetAmbient(ambient); + } + + } + else { + Game::SetScreenColor(Color::Black); + } + + double star_alt = 0; + + ListIter<OrbitalBody> star_iter = bodies; + while (++star_iter) { + OrbitalBody* star = star_iter.value(); + + if (active_region->Inclination() != 0) { + double distance = (active_region->Location() - star->Location()).length(); + star_alt = sin(active_region->Inclination()) * distance; + } + + if (terrain) { + Point sloc = TerrainTransform(star->Location()); + + if (star->rep) { + star->rep->MoveTo(sloc); + + PlanetRep* pr = (PlanetRep*) star->rep; + pr->SetDaytime(true); + } + + if (star->light_rep) { + star->light_rep->MoveTo(sloc); + star->light_rep->SetActive(sloc.y > -100); + } + + if (star->back_light) { + star->back_light->MoveTo(sloc * -1); + star->back_light->SetActive(sloc.y > -100); + } + + if (trgn && star->rep) { + if (trgn->IsEclipsed()) + star->rep->Hide(); + else + star->rep->Show(); + } + } + + else { + Point sloc = Point(star->Location() - active_region->Location()).OtherHand(); + sloc.y = star_alt; + + if (star->rep) { + star->rep->MoveTo(sloc); + + PlanetRep* pr = (PlanetRep*) star->rep; + pr->SetDaytime(false); + } + + if (star->light_rep) { + star->light_rep->MoveTo(sloc); + star->light_rep->SetActive(true); + } + + if (star->back_light) { + star->back_light->MoveTo(sloc * -1); + star->back_light->SetActive(true); + } + } + + ListIter<OrbitalBody> planet_iter = star->Satellites(); + while (++planet_iter) { + OrbitalBody* planet = planet_iter.value(); + + if (planet->rep) { + PlanetRep* pr = (PlanetRep*) planet->rep; + + if (terrain) { + pr->MoveTo(TerrainTransform(planet->Location())); + pr->SetOrientation(terrain_orientation); + + if (planet == active_region->Primary()) { + pr->Hide(); + } + + else { + pr->Show(); + pr->SetDaytime(true); + } + } + else { + pr->Show(); + pr->TranslateBy(active_loc); + pr->SetDaytime(false); + } + } + + ListIter<OrbitalBody> moon_iter = planet->Satellites(); + while (++moon_iter) { + OrbitalBody* moon = moon_iter.value(); + + if (moon->rep) { + PlanetRep* pr = (PlanetRep*) moon->rep; + + if (terrain) { + pr->MoveTo(TerrainTransform(moon->Location())); + pr->SetOrientation(terrain_orientation); + + if (moon == active_region->Primary()) { + pr->Hide(); + } + + else { + pr->Show(); + pr->SetDaytime(true); + } + } + else { + pr->Show(); + pr->TranslateBy(active_loc); + pr->SetDaytime(false); + } + } + } + } + } + } +} + +// +--------------------------------------------------------------------+ + +Orbital* +StarSystem::FindOrbital(const char* name) +{ + if (!name || !name[0]) + return 0; + + ListIter<OrbitalBody> star = bodies; + while (++star) { + if (!_stricmp(star->Name(), name)) + return star.value(); + + ListIter<OrbitalRegion> star_rgn = star->Regions(); + while (++star_rgn) { + if (!_stricmp(star_rgn->Name(), name)) + return star_rgn.value(); + } + + ListIter<OrbitalBody> planet = star->Satellites(); + while (++planet) { + if (!_stricmp(planet->Name(), name)) + return planet.value(); + + ListIter<OrbitalRegion> planet_rgn = planet->Regions(); + while (++planet_rgn) { + if (!_stricmp(planet_rgn->Name(), name)) + return planet_rgn.value(); + } + + ListIter<OrbitalBody> moon = planet->Satellites(); + while (++moon) { + if (!_stricmp(moon->Name(), name)) + return moon.value(); + + ListIter<OrbitalRegion> moon_rgn = moon->Regions(); + while (++moon_rgn) { + if (!_stricmp(moon_rgn->Name(), name)) + return moon_rgn.value(); + } + } + } + } + + ListIter<OrbitalRegion> region = regions; + while (++region) { + if (!_stricmp(region->Name(), name)) + return region.value(); + } + + return 0; +} + +// +--------------------------------------------------------------------+ + +OrbitalRegion* +StarSystem::FindRegion(const char* name) +{ + if (!name || !name[0]) + return 0; + + ListIter<OrbitalRegion> region = all_regions; + while (++region) { + if (!_stricmp(region->Name(), name)) + return region.value(); + } + + return 0; +} + +// +--------------------------------------------------------------------+ + +bool +StarSystem::HasLinkTo(StarSystem* s) const +{ + ListIter<OrbitalRegion> iter = ((StarSystem*) this)->all_regions; + while (++iter) { + OrbitalRegion* rgn = iter.value(); + + ListIter<Text> lnk_iter = rgn->Links(); + while (++lnk_iter) { + Text* t = lnk_iter.value(); + + if (s->FindRegion(*t)) + return true; + } + } + + return false; +} + +// +--------------------------------------------------------------------+ + +Point +StarSystem::TerrainTransform(const Point& loc) +{ + Point result; + + Point tmp = loc - active_region->Location(); + + result.x = tmp * tvrt; + result.z = tmp * tvup; + result.y = tmp * tvpn; + + return result; +} + +Color +StarSystem::Ambient() const +{ + Color result = ambient; + bool terrain = (active_region && active_region->Type() == Orbital::TERRAIN); + + if (terrain) { + TerrainRegion* trgn = (TerrainRegion*) active_region; + result = trgn->Ambient(); + + if (trgn->IsEclipsed()) + result = result * 0.3; + } + + return result; +} + +void +StarSystem::SetSunlight(Color color, double brightness) +{ + sun_color = color; + sun_scale = brightness; + + ListIter<Light> sun_iter = sun_lights; + while (++sun_iter) { + Light* sun_light = sun_iter.value(); + sun_light->SetColor(color); + sun_light->SetIntensity((float) (1.1 * sun_scale)); + } + + ListIter<Light> back_iter = back_lights; + while (++back_iter) { + Light* back_light = back_iter.value(); + back_light->SetIntensity((float) (0.5 * sun_scale)); + } +} + +void +StarSystem::SetBacklight(Color color, double brightness) +{ + ListIter<Light> back_iter = back_lights; + while (++back_iter) { + Light* back_light = back_iter.value(); + back_light->SetColor(color); + back_light->SetIntensity((float) (0.5 * brightness)); + } +} + +void +StarSystem::RestoreTrueSunColor() +{ + ListIter<OrbitalBody> iter = bodies; + while (++iter) { + OrbitalBody* star = iter.value(); + + if (star) { + if (star->light_rep) { + star->light_rep->SetColor(star->LightColor()); + star->light_rep->SetIntensity(1.1f); + } + + if (star->back_light) { + star->back_light->SetColor(star->back); + star->back_light->SetIntensity(0.5f); + } + } + } +} + +// +====================================================================+ + +Color +Star::GetColor() const +{ + return GetColor(seq); +} + +int +Star::GetSize() const +{ + return GetSize(seq); +} + +Color +Star::GetColor(int s) +{ + switch (s) { + case O: return Color(128,128,255); break; + case B: return Color(192,192,255); break; + case A: return Color(220,220,255); break; + case F: return Color(255,255,255); break; + case G: return Color(255,255,128); break; + case K: return Color(255,192,100); break; + case M: return Color(255,100,100); break; + + case RED_GIANT: return Color(255, 80, 80); break; + case WHITE_DWARF: return Color(255,255,255); break; + case BLACK_HOLE: return Color( 0, 0, 0); break; + } + + return Color::White; +} + +int +Star::GetSize(int s) +{ + switch (s) { + case O: return 4; break; + case B: return 4; break; + case A: return 3; break; + case F: return 3; break; + case G: return 2; break; + case K: return 2; break; + case M: return 1; break; + + case RED_GIANT: return 4; break; + case WHITE_DWARF: return 1; break; + case BLACK_HOLE: return 3; break; + } + + return 3; +} + +// +====================================================================+ + +Orbital::Orbital(StarSystem* s, const char* n, OrbitalType t, double m, double r, double o, Orbital* p) +: name(n), type(t), subtype(0), radius(r), mass(m), orbit(o), +phase(0), period(0), rotation(0), retro(false), +system(s), primary(p), loc(0, 0, 0), rep(0), velocity(0) +{ + if (system && primary && orbit > 0) { + velocity = sqrt(GRAV * primary->Mass() / orbit); + period = 2 * PI * orbit / velocity; + } + + Update(); +} + +// +--------------------------------------------------------------------+ + +Orbital::~Orbital() +{ + delete rep; + regions.destroy(); +} + +// +--------------------------------------------------------------------+ + +void +Orbital::Update() +{ + if (system && primary && orbit > 0) { + double grade = (retro) ? -1 : 1; + + // orbits are counter clockwise: + phase = -2 * PI * grade * StarSystem::Stardate() / period; + + loc = primary->Location() + Point((double) (orbit * cos(phase)), + (double) (orbit * sin(phase)), + 0); + } + + ListIter<OrbitalRegion> region = regions; + while (++region) + region->Update(); + + if (rep) + rep->MoveTo(loc.OtherHand()); +} + +// +--------------------------------------------------------------------+ + +Point +Orbital::PredictLocation(double delta_t) +{ + Point predicted_loc = Location(); + + if (system && primary && orbit > 0) { + predicted_loc = primary->PredictLocation(delta_t); + + double grade = (retro) ? -1 : 1; + + // orbits are(?) counter clockwise: + double predicted_phase = (double) (-2 * PI * grade * (StarSystem::Stardate()+delta_t) / period); + + predicted_loc += Point((double) (orbit * cos(predicted_phase)), + (double) (orbit * sin(predicted_phase)), + 0); + } + + return predicted_loc; +} + +void +Orbital::SetMapIcon(const Bitmap& img) +{ + if (img.Width() >=64 && img.Height() >= 64) { + map_icon.CopyBitmap(img); + map_icon.AutoMask(); + map_icon.MakeTexture(); + } +} + +// +====================================================================+ + +OrbitalBody::OrbitalBody(StarSystem* s, const char* n, OrbitalType t, double m, double r, double o, Orbital* p) +: Orbital(s, n, t, m, r, o, p), light(0), light_rep(0), back_light(0), +ring_min(0), ring_max(0), tilt(0), luminous(false) +{ + Update(); +} + +// +--------------------------------------------------------------------+ + +OrbitalBody::~OrbitalBody() +{ + satellites.destroy(); +} + +// +--------------------------------------------------------------------+ + +void +OrbitalBody::Update() +{ + Orbital::Update(); + + theta = 0; + + if (rotation > 0) + theta = -2 * PI * StarSystem::Stardate() / rotation; + + ListIter<OrbitalBody> body = satellites; + while (++body) + body->Update(); + + if (rep && theta != 0) { + Matrix m; + m.Pitch(tilt); + m.Roll(tilt/2); + m.Yaw(theta); + rep->SetOrientation(m); + } + + if (light_rep) { + Point bodyloc = loc; + bodyloc = bodyloc.OtherHand(); + light_rep->MoveTo(bodyloc); + } +} + +// +====================================================================+ + +OrbitalRegion::OrbitalRegion(StarSystem* s, const char* n, double m, double r, double o, Orbital* p) +: Orbital(s, n, REGION, m, r, o, p), grid(25.0e3f), inclination(0) +{ +} + +// +--------------------------------------------------------------------+ + +OrbitalRegion::~OrbitalRegion() +{ + links.destroy(); +} + |