#include "Application.hpp"
+#include "Assets.hpp"
#include "State.hpp"
+#include "init.hpp"
+#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>
+#include <SDL_image.h>
+
+using std::string;
namespace blobs {
namespace app {
-Application::Application()
-: states() {
+Application::Application(Window &win, graphics::Viewport &vp)
+: window(win)
+, viewport(vp)
+, states() {
}
Application::~Application() {
void Application::PushState(State *s) {
+ s->app = this;
if (!states.empty()) {
states.top()->OnPause();
}
}
State *Application::SwitchState(State *s_new) {
+ s_new->app = this;
State *s_old = states.top();
states.top() = s_new;
--s_old->ref_count;
if (!HasState()) return;
GetState().Update(dt);
if (!HasState()) return;
- GetState().Render();
+ viewport.Clear();
+ GetState().Render(viewport);
+ window.Flip();
}
void Application::HandleEvents() {
SDL_Event event;
while (HasState() && SDL_PollEvent(&event)) {
+ if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED) {
+ viewport.Resize(event.window.data1, event.window.data2);
+ }
GetState().Handle(event);
}
}
void State::Handle(const SDL_Event &event) {
switch (event.type) {
+ case SDL_KEYDOWN:
+ OnKeyDown(event.key);
+ break;
+ case SDL_KEYUP:
+ OnKeyUp(event.key);
+ break;
+ case SDL_MOUSEBUTTONDOWN:
+ OnMouseDown(event.button);
+ break;
+ case SDL_MOUSEBUTTONUP:
+ OnMouseUp(event.button);
+ break;
+ case SDL_MOUSEMOTION:
+ OnMouseMotion(event.motion);
+ break;
+ case SDL_MOUSEWHEEL:
+ OnMouseWheel(event.wheel);
+ break;
+ case SDL_QUIT:
+ OnQuit();
+ break;
case SDL_WINDOWEVENT:
Handle(event.window);
break;
default:
- OnEvent(event);
+ // ignore
break;
}
}
OnBlur();
break;
case SDL_WINDOWEVENT_RESIZED:
- //env.viewport.Resize(event.data1, event.data2);
- OnResize();
+ OnResize(event.data1, event.data2);
break;
default:
break;
OnUpdate(dt);
}
-void State::Render() {
- OnRender();
+void State::Render(graphics::Viewport &viewport) {
+ OnRender(viewport);
+}
+
+void State::OnQuit() {
+ while (App().HasState()) {
+ App().PopState();
+ }
+}
+
+
+Assets::Assets()
+: path("assets/")
+, data_path(path + "data/")
+, font_path(path + "fonts/")
+, skin_path(path + "skins/")
+, 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);
+ ReadResources(resource_reader);
+ }
+
+ {
+ 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);
+ LoadTileTexture("algae", textures.tiles, 0);
+ LoadTileTexture("desert", textures.tiles, 1);
+ LoadTileTexture("forest", textures.tiles, 2);
+ LoadTileTexture("grass", textures.tiles, 3);
+ LoadTileTexture("ice", textures.tiles, 4);
+ LoadTileTexture("jungle", textures.tiles, 5);
+ LoadTileTexture("mountain", textures.tiles, 6);
+ LoadTileTexture("ocean", textures.tiles, 7);
+ LoadTileTexture("rock", textures.tiles, 8);
+ LoadTileTexture("sand", textures.tiles, 9);
+ LoadTileTexture("taiga", textures.tiles, 10);
+ 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("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() {
+}
+
+void Assets::ReadResources(io::TokenStreamReader &in) {
+ while (in.HasMore()) {
+ string name;
+ in.ReadIdentifier(name);
+ in.Skip(io::Token::EQUALS);
+
+ int id = 0;
+ if (data.resources.Has(name)) {
+ id = data.resources[name].id;
+ } else {
+ world::Resource res;
+ res.name = name;
+ id = data.resources.Add(res);
+ }
+
+ in.Skip(io::Token::ANGLE_BRACKET_OPEN);
+ while (in.Peek().type != io::Token::ANGLE_BRACKET_CLOSE) {
+ in.ReadIdentifier(name);
+ 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 + "'");
+ }
+ in.Skip(io::Token::SEMICOLON);
+ }
+ in.Skip(io::Token::ANGLE_BRACKET_CLOSE);
+ in.Skip(io::Token::SEMICOLON);
+ }
+}
+
+void Assets::ReadTileTypes(io::TokenStreamReader &in) {
+ while (in.HasMore()) {
+ string name;
+ in.ReadIdentifier(name);
+ in.Skip(io::Token::EQUALS);
+
+ int id = 0;
+ if (data.tile_types.Has(name)) {
+ id = data.tile_types[name].id;
+ } else {
+ world::TileType type;
+ type.name = name;
+ id = data.tile_types.Add(type);
+ }
+
+ in.Skip(io::Token::ANGLE_BRACKET_OPEN);
+ while (in.Peek().type != io::Token::ANGLE_BRACKET_CLOSE) {
+ in.ReadIdentifier(name);
+ in.Skip(io::Token::EQUALS);
+ if (name == "label") {
+ in.ReadString(data.tile_types[id].label);
+ } else if (name == "texture") {
+ 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) {
+ world::TileType::Yield yield;
+ in.Skip(io::Token::ANGLE_BRACKET_OPEN);
+ while (in.Peek().type != io::Token::ANGLE_BRACKET_CLOSE) {
+ in.ReadIdentifier(name);
+ in.Skip(io::Token::EQUALS);
+ if (name == "resource") {
+ in.ReadIdentifier(name);
+ yield.resource = data.resources[name].id;
+ } else if (name == "ubiquity") {
+ yield.ubiquity = in.GetDouble();
+ } else {
+ throw std::runtime_error("unknown tile type yield property '" + name + "'");
+ }
+ in.Skip(io::Token::SEMICOLON);
+ }
+ in.Skip(io::Token::ANGLE_BRACKET_CLOSE);
+ data.tile_types[id].resources.push_back(yield);
+ if (in.Peek().type == io::Token::COMMA) {
+ in.Skip(io::Token::COMMA);
+ }
+ }
+ in.Skip(io::Token::BRACKET_CLOSE);
+ } else {
+ throw std::runtime_error("unknown tile type property '" + name + "'");
+ }
+ in.Skip(io::Token::SEMICOLON);
+ }
+ in.Skip(io::Token::ANGLE_BRACKET_CLOSE);
+ in.Skip(io::Token::SEMICOLON);
+ }
+}
+
+void Assets::LoadTileTexture(const string &name, graphics::ArrayTexture &tex, int layer) const {
+ string path = tile_path + name + ".png";
+ SDL_Surface *srf = IMG_Load(path.c_str());
+ if (!srf) {
+ throw SDLError("IMG_Load");
+ }
+ try {
+ tex.Data(layer, *srf);
+ } catch (...) {
+ SDL_FreeSurface(srf);
+ throw;
+ }
+ SDL_FreeSurface(srf);
+}
+
+void Assets::LoadSkinTexture(const string &name, graphics::ArrayTexture &tex, int layer) const {
+ string path = skin_path + name + ".png";
+ SDL_Surface *srf = IMG_Load(path.c_str());
+ if (!srf) {
+ throw SDLError("IMG_Load");
+ }
+ try {
+ tex.Data(layer, *srf);
+ } catch (...) {
+ SDL_FreeSurface(srf);
+ throw;
+ }
+ 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);
+ }
}
}
projects / blobs.git / blobdiff