X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2Fapp.cpp;h=950eda8cb3610c08e779ea478c578a68abc90c2b;hb=38db9a31695abef65ebc421f120a05219132b15f;hp=a7bbf39321db2de6f685892696fb2576eeed1893;hpb=91dfd6cd62ea0723c3c83572b4ebfa4ef7b4ac5f;p=blobs.git

diff --git a/src/app/app.cpp b/src/app/app.cpp
index a7bbf39..950eda8 100644
--- a/src/app/app.cpp
+++ b/src/app/app.cpp
@@ -1,14 +1,29 @@
 #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() {
@@ -16,6 +31,7 @@ Application::~Application() {
 
 
 void Application::PushState(State *s) {
+	s->app = this;
 	if (!states.empty()) {
 		states.top()->OnPause();
 	}
@@ -39,6 +55,7 @@ State *Application::PopState() {
 }
 
 State *Application::SwitchState(State *s_new) {
+	s_new->app = this;
 	State *s_old = states.top();
 	states.top() = s_new;
 	--s_old->ref_count;
@@ -78,23 +95,49 @@ void Application::Loop(int dt) {
 	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;
 	}
 }
@@ -108,8 +151,7 @@ void State::Handle(const SDL_WindowEvent &event) {
 			OnBlur();
 			break;
 		case SDL_WINDOWEVENT_RESIZED:
-			//env.viewport.Resize(event.data1, event.data2);
-			OnResize();
+			OnResize(event.data1, event.data2);
 			break;
 		default:
 			break;
@@ -120,8 +162,435 @@ void State::Update(int dt) {
 	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);
+	}
 }
 
 }