]> git.localhorst.tv Git - blobs.git/blobdiff - src/app/app.cpp
load universe from file
[blobs.git] / src / app / app.cpp
index ccccd9a6c15c5b2590e8a27b0274c74541c1451e..950eda8cb3610c08e779ea478c578a68abc90c2b 100644 (file)
@@ -6,6 +6,9 @@
 #include "../graphics/Viewport.hpp"
 #include "../io/Token.hpp"
 #include "../io/TokenStreamReader.hpp"
+#include "../world/Planet.hpp"
+#include "../world/Simulation.hpp"
+#include "../world/Sun.hpp"
 
 #include <fstream>
 #include <SDL.h>
@@ -173,8 +176,16 @@ void State::OnQuit() {
 Assets::Assets()
 : path("assets/")
 , data_path(path + "data/")
+, font_path(path + "fonts/")
 , skin_path(path + "skins/")
-, tile_path(path + "tiles/") {
+, sky_path(path + "skies/")
+, tile_path(path + "tiles/")
+, random(0x6283B64CEFE57925)
+, fonts{
+       graphics::Font(font_path + "DejaVuSans.ttf", 32),
+       graphics::Font(font_path + "DejaVuSans.ttf", 24),
+       graphics::Font(font_path + "DejaVuSans.ttf", 16)
+} {
        {
                std::ifstream resource_file(data_path + "resources");
                io::TokenStreamReader resource_reader(resource_file);
@@ -182,11 +193,12 @@ Assets::Assets()
        }
 
        {
-               std::ifstream tile_file(data_path + "tiles");
+               std::ifstream tile_file(data_path + "tile_types");
                io::TokenStreamReader tile_reader(tile_file);
                ReadTileTypes(tile_reader);
        }
 
+
        graphics::Format format;
        textures.tiles.Bind();
        textures.tiles.Reserve(256, 256, 14, format);
@@ -204,18 +216,22 @@ Assets::Assets()
        LoadTileTexture("tundra",   textures.tiles, 11);
        LoadTileTexture("water",    textures.tiles, 12);
        LoadTileTexture("wheat",    textures.tiles, 13);
+       textures.tiles.FilterTrilinear();
 
        textures.skins.Bind();
        textures.skins.Reserve(256, 256, 9, format);
-       LoadSkinTexture("1", textures.skins, 0);
-       LoadSkinTexture("2", textures.skins, 1);
-       LoadSkinTexture("3", textures.skins, 2);
-       LoadSkinTexture("4", textures.skins, 3);
-       LoadSkinTexture("5", textures.skins, 4);
-       LoadSkinTexture("6", textures.skins, 5);
-       LoadSkinTexture("7", textures.skins, 6);
-       LoadSkinTexture("8", textures.skins, 7);
-       LoadSkinTexture("9", textures.skins, 8);
+       LoadSkinTexture("plain", textures.skins, 0);
+       LoadSkinTexture("stripes", textures.skins, 1);
+       LoadSkinTexture("dots", textures.skins, 2);
+       LoadSkinTexture("lines", textures.skins, 3);
+       LoadSkinTexture("spots", textures.skins, 4);
+       LoadSkinTexture("circles", textures.skins, 5);
+       textures.skins.FilterTrilinear();
+
+       textures.sky.Bind();
+       LoadSkyTexture("blue", textures.sky);
+       textures.sky.FilterTrilinear();
+       textures.sky.WrapEdge();
 }
 
 Assets::~Assets() {
@@ -242,6 +258,44 @@ void Assets::ReadResources(io::TokenStreamReader &in) {
                        in.Skip(io::Token::EQUALS);
                        if (name == "label") {
                                in.ReadString(data.resources[id].label);
+                       } else if (name == "density") {
+                               data.resources[id].density = in.GetDouble();
+                       } else if (name == "energy") {
+                               data.resources[id].energy = in.GetDouble();
+                               data.resources[id].inverse_energy = 1.0 / data.resources[id].energy;
+                       } else if (name == "state") {
+                               in.ReadIdentifier(name);
+                               if (name == "solid") {
+                                       data.resources[id].state = world::Resource::SOLID;
+                               } else if (name == "liquid") {
+                                       data.resources[id].state = world::Resource::LIQUID;
+                               } else if (name == "gas") {
+                                       data.resources[id].state = world::Resource::GAS;
+                               } else if (name == "plasma") {
+                                       data.resources[id].state = world::Resource::PLASMA;
+                               } else {
+                                       throw std::runtime_error("unknown resource state '" + name + "'");
+                               }
+                       } else if (name == "base_color") {
+                               in.ReadVec(data.resources[id].base_color);
+                       } else if (name == "compatibility") {
+                               in.Skip(io::Token::ANGLE_BRACKET_OPEN);
+                               while (in.Peek().type != io::Token::ANGLE_BRACKET_CLOSE) {
+                                       in.ReadIdentifier(name);
+                                       int sub_id = 0;
+                                       if (data.resources.Has(name)) {
+                                               sub_id = data.resources[name].id;
+                                       } else {
+                                               world::Resource res;
+                                               res.name = name;
+                                               sub_id = data.resources.Add(res);
+                                       }
+                                       in.Skip(io::Token::COLON);
+                                       double value = in.GetDouble();
+                                       in.Skip(io::Token::SEMICOLON);
+                                       data.resources[id].compatibility[sub_id] = value;
+                               }
+                               in.Skip(io::Token::ANGLE_BRACKET_CLOSE);
                        } else {
                                throw std::runtime_error("unknown resource property '" + name + "'");
                        }
@@ -259,12 +313,12 @@ void Assets::ReadTileTypes(io::TokenStreamReader &in) {
                in.Skip(io::Token::EQUALS);
 
                int id = 0;
-               if (data.tiles.Has(name)) {
-                       id = data.tiles[name].id;
+               if (data.tile_types.Has(name)) {
+                       id = data.tile_types[name].id;
                } else {
                        world::TileType type;
                        type.name = name;
-                       id = data.tiles.Add(type);
+                       id = data.tile_types.Add(type);
                }
 
                in.Skip(io::Token::ANGLE_BRACKET_OPEN);
@@ -272,9 +326,9 @@ void Assets::ReadTileTypes(io::TokenStreamReader &in) {
                        in.ReadIdentifier(name);
                        in.Skip(io::Token::EQUALS);
                        if (name == "label") {
-                               in.ReadString(data.tiles[id].label);
+                               in.ReadString(data.tile_types[id].label);
                        } else if (name == "texture") {
-                               data.tiles[id].texture = in.GetInt();
+                               data.tile_types[id].texture = in.GetInt();
                        } else if (name == "yield") {
                                in.Skip(io::Token::BRACKET_OPEN);
                                while (in.Peek().type != io::Token::BRACKET_CLOSE) {
@@ -294,7 +348,7 @@ void Assets::ReadTileTypes(io::TokenStreamReader &in) {
                                                in.Skip(io::Token::SEMICOLON);
                                        }
                                        in.Skip(io::Token::ANGLE_BRACKET_CLOSE);
-                                       data.tiles[id].resources.push_back(yield);
+                                       data.tile_types[id].resources.push_back(yield);
                                        if (in.Peek().type == io::Token::COMMA) {
                                                in.Skip(io::Token::COMMA);
                                        }
@@ -340,5 +394,204 @@ void Assets::LoadSkinTexture(const string &name, graphics::ArrayTexture &tex, in
        SDL_FreeSurface(srf);
 }
 
+void Assets::LoadSkyTexture(const string &name, graphics::CubeMap &cm) const {
+       string full = sky_path + name;
+       string right = full + "-right.png";
+       string left = full + "-left.png";
+       string top = full + "-top.png";
+       string bottom = full + "-bottom.png";
+       string back = full + "-back.png";
+       string front = full + "-front.png";
+
+       SDL_Surface *srf = nullptr;
+
+       if (!(srf = IMG_Load(right.c_str()))) throw SDLError("IMG_Load");
+       try {
+               cm.Data(graphics::CubeMap::RIGHT, *srf);
+       } catch (...) {
+               SDL_FreeSurface(srf);
+               throw;
+       }
+       SDL_FreeSurface(srf);
+
+       if (!(srf = IMG_Load(left.c_str()))) throw SDLError("IMG_Load");
+       try {
+               cm.Data(graphics::CubeMap::LEFT, *srf);
+       } catch (...) {
+               SDL_FreeSurface(srf);
+               throw;
+       }
+       SDL_FreeSurface(srf);
+
+       if (!(srf = IMG_Load(top.c_str()))) throw SDLError("IMG_Load");
+       try {
+               cm.Data(graphics::CubeMap::TOP, *srf);
+       } catch (...) {
+               SDL_FreeSurface(srf);
+               throw;
+       }
+       SDL_FreeSurface(srf);
+
+       if (!(srf = IMG_Load(bottom.c_str()))) throw SDLError("IMG_Load");
+       try {
+               cm.Data(graphics::CubeMap::BOTTOM, *srf);
+       } catch (...) {
+               SDL_FreeSurface(srf);
+               throw;
+       }
+       SDL_FreeSurface(srf);
+
+       if (!(srf = IMG_Load(back.c_str()))) throw SDLError("IMG_Load");
+       try {
+               cm.Data(graphics::CubeMap::BACK, *srf);
+       } catch (...) {
+               SDL_FreeSurface(srf);
+               throw;
+       }
+       SDL_FreeSurface(srf);
+
+       if (!(srf = IMG_Load(front.c_str()))) throw SDLError("IMG_Load");
+       try {
+               cm.Data(graphics::CubeMap::FRONT, *srf);
+       } catch (...) {
+               SDL_FreeSurface(srf);
+               throw;
+       }
+       SDL_FreeSurface(srf);
+}
+
+void Assets::LoadUniverse(const string &name, world::Simulation &sim) const {
+       std::ifstream universe_file(data_path + name);
+       io::TokenStreamReader universe_reader(universe_file);
+       ReadBody(universe_reader, sim);
+       universe_reader.Skip(io::Token::SEMICOLON);
+}
+
+world::Body *Assets::ReadBody(io::TokenStreamReader &in, world::Simulation &sim) const {
+       std::unique_ptr<world::Body> body;
+       string name;
+       in.ReadIdentifier(name);
+       if (name == "Sun") {
+               world::Sun *sun = new world::Sun;
+               body.reset(sun);
+               sim.AddSun(*sun);
+               in.Skip(io::Token::ANGLE_BRACKET_OPEN);
+               while (in.Peek().type != io::Token::ANGLE_BRACKET_CLOSE) {
+                       in.ReadIdentifier(name);
+                       in.Skip(io::Token::EQUALS);
+                       ReadSunProperty(name, in, *sun, sim);
+                       in.Skip(io::Token::SEMICOLON);
+               }
+               in.Skip(io::Token::ANGLE_BRACKET_CLOSE);
+               in.Skip(io::Token::SEMICOLON);
+       } else if (name == "Planet") {
+               in.Skip(io::Token::PARENTHESIS_OPEN);
+               int sidelength = in.GetInt();
+               in.Skip(io::Token::PARENTHESIS_CLOSE);
+               world::Planet *planet = new world::Planet(sidelength);
+               sim.AddPlanet(*planet);
+               body.reset(planet);
+               in.Skip(io::Token::ANGLE_BRACKET_OPEN);
+               while (in.Peek().type != io::Token::ANGLE_BRACKET_CLOSE) {
+                       in.ReadIdentifier(name);
+                       in.Skip(io::Token::EQUALS);
+                       ReadPlanetProperty(name, in, *planet, sim);
+                       in.Skip(io::Token::SEMICOLON);
+               }
+               in.Skip(io::Token::ANGLE_BRACKET_CLOSE);
+       } else {
+               throw std::runtime_error("unknown body class " + name);
+       }
+       return body.release();
+}
+
+void Assets::ReadSunProperty(const std::string &name, io::TokenStreamReader &in, world::Sun &sun, world::Simulation &sim) const {
+       if (name == "color") {
+               glm::dvec3 color(0.0);
+               in.ReadVec(color);
+               sun.Color(color);
+       } else if (name == "luminosity") {
+               sun.Luminosity(in.GetDouble());
+       } else {
+               ReadBodyProperty(name, in, sun, sim);
+       }
+}
+
+void Assets::ReadPlanetProperty(const std::string &name, io::TokenStreamReader &in, world::Planet &planet, world::Simulation &sim) const {
+       if (name == "generate") {
+               string gen;
+               in.ReadIdentifier(gen);
+               if (gen == "earthlike") {
+                       world::GenerateEarthlike(data.tile_types, planet);
+               } else if (gen == "test") {
+                       world::GenerateTest(data.tile_types, planet);
+               } else {
+                       throw std::runtime_error("unknown surface generator " + gen);
+               }
+       } else if (name == "atmosphere") {
+               string atm;
+               in.ReadIdentifier(atm);
+               planet.Atmosphere(data.resources[atm].id);
+       } else {
+               ReadBodyProperty(name, in, planet, sim);
+       }
+}
+
+void Assets::ReadBodyProperty(const std::string &name, io::TokenStreamReader &in, world::Body &body, world::Simulation &sim) const {
+       if (name == "name") {
+               string value;
+               in.ReadString(value);
+               body.Name(value);
+       } else if (name == "mass") {
+               body.Mass(in.GetDouble());
+       } else if (name == "radius") {
+               body.Radius(in.GetDouble());
+       } else if (name == "axial_tilt") {
+               glm::dvec2 tilt(0.0);
+               in.ReadVec(tilt);
+               body.AxialTilt(tilt);
+       } else if (name == "rotation") {
+               body.Rotation(in.GetDouble());
+       } else if (name == "angular_momentum") {
+               body.AngularMomentum(in.GetDouble());
+       } else if (name == "orbit") {
+               in.Skip(io::Token::ANGLE_BRACKET_OPEN);
+               while (in.Peek().type != io::Token::ANGLE_BRACKET_CLOSE) {
+                       string oname;
+                       in.ReadIdentifier(oname);
+                       in.Skip(io::Token::EQUALS);
+                       if (oname == "SMA" || oname == "semi_major_axis") {
+                               body.GetOrbit().SemiMajorAxis(in.GetDouble());
+                       } else if (oname == "ECC" || oname == "eccentricity") {
+                               body.GetOrbit().Eccentricity(in.GetDouble());
+                       } else if (oname == "INC" || oname == "inclination") {
+                               body.GetOrbit().Inclination(in.GetDouble());
+                       } else if (oname == "ASC" || oname == "ascending_node" || oname == "longitude_ascending") {
+                               body.GetOrbit().LongitudeAscending(in.GetDouble());
+                       } else if (oname == "ARG" || oname == "APE" || oname == "argument_periapsis") {
+                               body.GetOrbit().ArgumentPeriapsis(in.GetDouble());
+                       } else if (oname == "MNA" || oname == "mean_anomaly") {
+                               body.GetOrbit().MeanAnomaly(in.GetDouble());
+                       } else {
+                               throw std::runtime_error("unknown orbit property " + oname);
+                       }
+                       in.Skip(io::Token::SEMICOLON);
+               }
+               in.Skip(io::Token::ANGLE_BRACKET_CLOSE);
+       } else if (name == "children") {
+               in.Skip(io::Token::BRACKET_OPEN);
+               while (in.Peek().type != io::Token::BRACKET_CLOSE) {
+                       world::Body *b = ReadBody(in, sim);
+                       b->SetParent(body);
+                       if (in.Peek().type == io::Token::COMMA) {
+                               in.Skip(io::Token::COMMA);
+                       }
+               }
+               in.Skip(io::Token::BRACKET_CLOSE);
+       } else {
+               throw std::runtime_error("unknown body property " + name);
+       }
+}
+
 }
 }