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/* Starshatter: The Open Source Project
Copyright (c) 2021-2024, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Galaxy (list of star systems) for a single campaign.
*/
#include "Galaxy.h"
#include "StarSystem.h"
#include "Starshatter.h"
#include "Game.h"
#include "Solid.h"
#include "Sprite.h"
#include "Light.h"
#include "Bitmap.h"
#include "DataLoader.h"
#include "ParseUtil.h"
static Galaxy* galaxy = 0;
// +--------------------------------------------------------------------+
Galaxy::Galaxy(const char* n)
: name(n), radius(10)
{ }
// +--------------------------------------------------------------------+
Galaxy::~Galaxy()
{
Print(" Destroying Galaxy %s\n", (const char*) name);
systems.destroy();
stars.destroy();
}
// +--------------------------------------------------------------------+
void
Galaxy::Initialize()
{
if (galaxy) delete galaxy;
galaxy = new Galaxy("Galaxy");
galaxy->Load();
}
void
Galaxy::Close()
{
delete galaxy;
galaxy = 0;
}
Galaxy*
Galaxy::GetInstance()
{
return galaxy;
}
// +--------------------------------------------------------------------+
void
Galaxy::Load()
{
DataLoader* loader = DataLoader::GetLoader();
loader->SetDataPath("Galaxy/");
sprintf_s(filename, "%s.def", (const char*) name);
Load(filename);
// load mod galaxies:
List<Text> mod_galaxies;
loader->SetDataPath("Mods/Galaxy/");
loader->ListFiles("*.def", mod_galaxies);
ListIter<Text> iter = mod_galaxies;
while (++iter) {
Text* name = iter.value();
if (!name->contains("/")) {
loader->SetDataPath("Mods/Galaxy/");
Load(name->data());
}
}
}
void
Galaxy::Load(const char* filename)
{
Print("\nLoading Galaxy: %s\n", filename);
BYTE* block = 0;
DataLoader* loader = DataLoader::GetLoader();
loader->LoadBuffer(filename, block, true);
Parser parser(starshatter::foundation::Reader{reinterpret_cast<const char*>(block)});
Term* term = parser.ParseTerm();
if (!term) {
Print("WARNING: could not parse '%s'\n", filename);
return;
}
else {
TermText* file_type = term->isText();
if (!file_type || file_type->value() != "GALAXY") {
Print("WARNING: invalid galaxy file '%s'\n", filename);
return;
}
}
// parse the galaxy:
do {
delete term;
term = parser.ParseTerm();
if (term) {
TermDef* def = term->isDef();
if (def) {
if (def->name()->value() == "radius") {
GetDefNumber(radius, def, filename);
}
else if (def->name()->value() == "system") {
if (!def->term() || !def->term()->isStruct()) {
Print("WARNING: system struct missing in '%s'\n", filename);
}
else {
TermStruct* val = def->term()->isStruct();
char sys_name[32];
char classname[32];
Vec3 sys_loc;
int sys_iff = 0;
int star_class = Star::G;
sys_name[0] = 0;
for (int i = 0; i < val->elements()->size(); i++) {
TermDef* pdef = val->elements()->at(i)->isDef();
if (pdef) {
if (pdef->name()->value() == "name")
GetDefText(sys_name, pdef, filename);
else if (pdef->name()->value() == "loc")
GetDefVec(sys_loc, pdef, filename);
else if (pdef->name()->value() == "iff")
GetDefNumber(sys_iff, pdef, filename);
else if (pdef->name()->value() == "class") {
GetDefText(classname, pdef, filename);
switch (classname[0]) {
case 'O': star_class = Star::O; break;
case 'B': star_class = Star::B; break;
case 'A': star_class = Star::A; break;
case 'F': star_class = Star::F; break;
case 'G': star_class = Star::G; break;
case 'K': star_class = Star::K; break;
case 'M': star_class = Star::M; break;
case 'R': star_class = Star::RED_GIANT; break;
case 'W': star_class = Star::WHITE_DWARF; break;
case 'Z': star_class = Star::BLACK_HOLE; break;
}
}
}
}
if (sys_name[0]) {
StarSystem* star_system = new StarSystem(sys_name, sys_loc, sys_iff, star_class);
star_system->Load();
systems.append(star_system);
Star* star = new Star(sys_name, sys_loc, star_class);
stars.append(star);
}
}
}
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();
char star_name[32];
char classname[32];
Vec3 star_loc;
int star_class = Star::G;
star_name[0] = 0;
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() == "loc")
GetDefVec(star_loc, pdef, filename);
else if (pdef->name()->value() == "class") {
GetDefText(classname, pdef, filename);
switch (classname[0]) {
case 'O': star_class = Star::O; break;
case 'B': star_class = Star::B; break;
case 'A': star_class = Star::A; break;
case 'F': star_class = Star::F; break;
case 'G': star_class = Star::G; break;
case 'K': star_class = Star::K; break;
case 'M': star_class = Star::M; break;
case 'R': star_class = Star::RED_GIANT; break;
case 'W': star_class = Star::WHITE_DWARF; break;
case 'Z': star_class = Star::BLACK_HOLE; break;
}
}
}
}
if (star_name[0]) {
Star* star = new Star(star_name, star_loc, star_class);
stars.append(star);
}
}
}
}
}
}
while (term);
loader->ReleaseBuffer(block);
loader->SetDataPath(0);
}
// +--------------------------------------------------------------------+
void
Galaxy::ExecFrame()
{
ListIter<StarSystem> sys = systems;
while (++sys) {
sys->ExecFrame();
}
}
// +--------------------------------------------------------------------+
StarSystem*
Galaxy::GetSystem(const char* name)
{
ListIter<StarSystem> sys = systems;
while (++sys) {
if (!strcmp(sys->Name(), name))
return sys.value();
}
return 0;
}
// +--------------------------------------------------------------------+
StarSystem*
Galaxy::FindSystemByRegion(const char* rgn_name)
{
ListIter<StarSystem> iter = systems;
while (++iter) {
StarSystem* sys = iter.value();
if (sys->FindRegion(rgn_name))
return sys;
}
return 0;
}
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