/* 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. 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SUBSYSTEM: Stars.exe FILE: Galaxy.cpp AUTHOR: John DiCamillo OVERVIEW ======== Galaxy (list of star systems) for a single campaign. */ #include "MemDebug.h" #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(__FILE__,__LINE__) 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 mod_galaxies; loader->SetDataPath("Mods/Galaxy/"); loader->ListFiles("*.def", mod_galaxies); ListIter 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(new(__FILE__,__LINE__) BlockReader((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(__FILE__,__LINE__) StarSystem(sys_name, sys_loc, sys_iff, star_class); star_system->Load(); systems.append(star_system); Star* star = new(__FILE__,__LINE__) 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(__FILE__,__LINE__) Star(star_name, star_loc, star_class); stars.append(star); } } } } } } while (term); loader->ReleaseBuffer(block); loader->SetDataPath(0); } // +--------------------------------------------------------------------+ void Galaxy::ExecFrame() { ListIter sys = systems; while (++sys) { sys->ExecFrame(); } } // +--------------------------------------------------------------------+ StarSystem* Galaxy::GetSystem(const char* name) { ListIter sys = systems; while (++sys) { if (!strcmp(sys->Name(), name)) return sys.value(); } return 0; } // +--------------------------------------------------------------------+ StarSystem* Galaxy::FindSystemByRegion(const char* rgn_name) { ListIter iter = systems; while (++iter) { StarSystem* sys = iter.value(); if (sys->FindRegion(rgn_name)) return sys; } return 0; }