#include "Application.hpp"
#include "Assets.hpp"
+#include "Environment.hpp"
#include "FrameCounter.hpp"
+#include "State.hpp"
+#include "StateControl.hpp"
+#include "init.hpp"
+#include "../audio/Sound.hpp"
+#include "../graphics/ArrayTexture.hpp"
+#include "../graphics/CubeMap.hpp"
#include "../graphics/Font.hpp"
+#include "../graphics/Texture.hpp"
+#include "../io/TokenStreamReader.hpp"
+#include "../model/bounds.hpp"
+#include "../model/Model.hpp"
+#include "../model/ModelRegistry.hpp"
+#include "../model/Shape.hpp"
+#include "../model/ShapeRegistry.hpp"
+#include "../shared/ResourceIndex.hpp"
#include "../world/BlockType.hpp"
+#include "../world/BlockTypeRegistry.hpp"
#include "../world/Entity.hpp"
+#include <fstream>
+#include <iomanip>
#include <iostream>
#include <stdexcept>
+#include <SDL_image.h>
+using std::runtime_error;
using std::string;
-namespace {
+namespace blank {
+
+HeadlessApplication::HeadlessApplication(HeadlessEnvironment &e)
+: env(e)
+, states() {
-string get_asset_path() {
- char *base = SDL_GetBasePath();
- string assets(base);
- assets += "assets/";
- SDL_free(base);
- return assets;
}
+HeadlessApplication::~HeadlessApplication() {
+
}
-namespace blank {
-Application::Application(const Config &config)
-: init_sdl()
-, init_img()
-, init_ttf()
-, init_gl(config.doublebuf, config.multisampling)
-, window()
-, ctx(window.CreateContext())
-, init_glew()
-, assets(get_asset_path())
-, counter()
-, chunk_prog()
-, entity_prog()
-, sprite_prog()
-, cam()
-, world(config.world)
-, interface(config.interface, assets, world)
-, test_controller(MakeTestEntity(world))
-, running(false) {
- if (config.vsync) {
- GLContext::EnableVSync();
- }
-
- glClearColor(0.0, 0.0, 0.0, 1.0);
-}
-
-Entity &Application::MakeTestEntity(World &world) {
- Entity &e = world.AddEntity();
- e.Name("test");
- e.Position({ 0.0f, 0.0f, 0.0f });
- e.Bounds({ { -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f } });
- e.WorldCollidable(true);
- e.SetShape(world.BlockTypes()[1].shape, { 1.0f, 1.0f, 0.0f });
- e.AngularVelocity(glm::quat(glm::vec3{ 0.00001f, 0.000006f, 0.000013f }));
- return e;
-}
-
-
-void Application::RunN(size_t n) {
+Application::Application(Environment &e)
+: HeadlessApplication(e)
+, env(e) {
+
+}
+
+Application::~Application() {
+ env.audio.StopAll();
+}
+
+
+void HeadlessApplication::RunN(size_t n) {
Uint32 last = SDL_GetTicks();
- for (size_t i = 0; i < n; ++i) {
+ for (size_t i = 0; HasState() && i < n; ++i) {
Uint32 now = SDL_GetTicks();
int delta = now - last;
Loop(delta);
}
}
-void Application::RunT(size_t t) {
+void HeadlessApplication::RunT(size_t t) {
Uint32 last = SDL_GetTicks();
Uint32 finish = last + t;
- while (last < finish) {
+ while (HasState() && last < finish) {
Uint32 now = SDL_GetTicks();
int delta = now - last;
Loop(delta);
}
}
-void Application::RunS(size_t n, size_t t) {
- for (size_t i = 0; i < n; ++i) {
+void HeadlessApplication::RunS(size_t n, size_t t) {
+ for (size_t i = 0; HasState() && i < n; ++i) {
Loop(t);
+ std::cout << '.';
+ if (i % 16 == 15) {
+ std::cout << std::setfill(' ') << std::setw(5) << std::right << (i + 1) << std::endl;
+ } else {
+ std::cout << std::flush;
+ }
}
}
-void Application::Run() {
- running = true;
+void HeadlessApplication::Run() {
Uint32 last = SDL_GetTicks();
- window.GrabMouse();
- while (running) {
+ while (HasState()) {
Uint32 now = SDL_GetTicks();
int delta = now - last;
Loop(delta);
}
}
+void HeadlessApplication::Loop(int dt) {
+ env.counter.EnterFrame();
+ HandleEvents();
+ if (!HasState()) return;
+ Update(dt);
+ CommitStates();
+ if (!HasState()) return;
+ env.counter.ExitFrame();
+}
+
void Application::Loop(int dt) {
- counter.EnterFrame();
+ env.counter.EnterFrame();
HandleEvents();
+ if (!HasState()) return;
Update(dt);
+ CommitStates();
+ if (!HasState()) return;
Render();
- counter.ExitFrame();
+ env.counter.ExitFrame();
+}
+
+
+void HeadlessApplication::HandleEvents() {
+ env.counter.EnterHandle();
+ SDL_Event event;
+ while (HasState() && SDL_PollEvent(&event)) {
+ Handle(event);
+ CommitStates();
+ }
+ env.counter.ExitHandle();
+}
+
+void HeadlessApplication::Handle(const SDL_Event &event) {
+ GetState().Handle(event);
}
void Application::HandleEvents() {
- counter.EnterHandle();
+ env.counter.EnterHandle();
SDL_Event event;
- while (SDL_PollEvent(&event)) {
- switch (event.type) {
- case SDL_KEYDOWN:
- interface.HandlePress(event.key);
- break;
- case SDL_KEYUP:
- interface.HandleRelease(event.key);
- break;
- case SDL_MOUSEBUTTONDOWN:
- interface.HandlePress(event.button);
- break;
- case SDL_MOUSEBUTTONUP:
- interface.HandleRelease(event.button);
- break;
- case SDL_MOUSEMOTION:
- interface.Handle(event.motion);
- break;
- case SDL_MOUSEWHEEL:
- interface.Handle(event.wheel);
- break;
- case SDL_QUIT:
- running = false;
- break;
- case SDL_WINDOWEVENT:
- Handle(event.window);
- break;
- default:
- break;
- }
+ while (HasState() && SDL_PollEvent(&event)) {
+ Handle(event);
+ CommitStates();
+ }
+ env.counter.ExitHandle();
+}
+
+void Application::Handle(const SDL_Event &event) {
+ switch (event.type) {
+ case SDL_WINDOWEVENT:
+ Handle(event.window);
+ break;
+ default:
+ GetState().Handle(event);
+ break;
}
- counter.ExitHandle();
}
void Application::Handle(const SDL_WindowEvent &event) {
switch (event.event) {
case SDL_WINDOWEVENT_FOCUS_GAINED:
- window.GrabMouse();
+ GetState().OnFocus();
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
- window.ReleaseMouse();
+ GetState().OnBlur();
break;
case SDL_WINDOWEVENT_RESIZED:
- cam.Viewport(event.data1, event.data2);
- interface.Handle(event);
+ env.viewport.Resize(event.data1, event.data2);
+ GetState().OnResize(env.viewport);
break;
default:
- interface.Handle(event);
break;
}
}
+void HeadlessApplication::Update(int dt) {
+ env.counter.EnterUpdate();
+ if (HasState()) {
+ GetState().Update(dt);
+ }
+ env.counter.ExitUpdate();
+}
+
void Application::Update(int dt) {
- counter.EnterUpdate();
- interface.Update(dt);
- test_controller.Update(dt);
- world.Update(dt);
- counter.ExitUpdate();
+ env.counter.EnterUpdate();
+ env.audio.Update(dt);
+ if (HasState()) {
+ GetState().Update(dt);
+ }
+ env.counter.ExitUpdate();
}
void Application::Render() {
// gl implementation may (and will probably) delay vsync blocking until
// the first write after flipping, which is this clear call
- GLContext::Clear();
- counter.EnterRender();
+ env.viewport.Clear();
+ env.counter.EnterRender();
+
+ if (HasState()) {
+ GetState().Render(env.viewport);
+ }
+
+ env.counter.ExitRender();
+ env.window.Flip();
+}
+
+
+void HeadlessApplication::PushState(State *s) {
+ if (!states.empty()) {
+ states.top()->OnPause();
+ }
+ states.emplace(s);
+ ++s->ref_count;
+ if (s->ref_count == 1) {
+ s->OnEnter();
+ }
+ s->OnResume();
+}
+
+State *HeadlessApplication::PopState() {
+ State *s = states.top();
+ states.pop();
+ s->OnPause();
+ s->OnExit();
+ if (!states.empty()) {
+ states.top()->OnResume();
+ }
+ return s;
+}
+
+State *HeadlessApplication::SwitchState(State *s_new) {
+ State *s_old = states.top();
+ states.top() = s_new;
+ --s_old->ref_count;
+ ++s_new->ref_count;
+ s_old->OnPause();
+ if (s_old->ref_count == 0) {
+ s_old->OnExit();
+ }
+ if (s_new->ref_count == 1) {
+ s_new->OnEnter();
+ }
+ s_new->OnResume();
+ return s_old;
+}
- chunk_prog.SetProjection(cam.Projection());
- entity_prog.SetProjection(cam.Projection());
+State &HeadlessApplication::GetState() {
+ return *states.top();
+}
+
+void HeadlessApplication::CommitStates() {
+ env.state.Commit(*this);
+}
+
+bool HeadlessApplication::HasState() const noexcept {
+ return !states.empty();
+}
+
+
+void StateControl::Commit(HeadlessApplication &app) {
+ while (!cue.empty()) {
+ Memo m(cue.front());
+ cue.pop();
+ switch (m.cmd) {
+ case PUSH:
+ app.PushState(m.state);
+ break;
+ case SWITCH:
+ app.SwitchState(m.state);
+ break;
+ case POP:
+ app.PopState();
+ break;
+ case POP_ALL:
+ while (app.HasState()) {
+ app.PopState();
+ }
+ break;
+ case POP_AFTER:
+ while (app.HasState() && &app.GetState() != m.state) {
+ app.PopState();
+ }
+ break;
+ case POP_UNTIL:
+ while (app.HasState()) {
+ if (app.PopState() == m.state) {
+ break;
+ }
+ }
+ }
+ }
+}
- world.Render(chunk_prog, entity_prog);
- interface.Render(entity_prog, sprite_prog);
+AssetLoader::AssetLoader(const string &base)
+: fonts(base + "fonts/")
+, sounds(base + "sounds/")
+, textures(base + "textures/")
+, data(base + "data/") {
- counter.ExitRender();
- window.Flip();
}
+Assets::Assets(const AssetLoader &loader)
+: large_ui_font(loader.LoadFont("DejaVuSans", 24))
+, small_ui_font(loader.LoadFont("DejaVuSans", 16)) {
-Assets::Assets(const string &base)
-: fonts(base + "fonts/") {
+}
+
+namespace {
+
+CuboidBounds block_shape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }});
+StairBounds stair_shape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }}, { 0.0f, 0.0f });
+CuboidBounds slab_shape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.0f, 0.5f }});
}
-Font Assets::LoadFont(const string &name, int size) const {
+void AssetLoader::LoadBlockTypes(
+ const string &set_name,
+ BlockTypeRegistry ®,
+ ResourceIndex &snd_index,
+ ResourceIndex &tex_index,
+ const ShapeRegistry &shapes
+) const {
+ string full = data + set_name + ".types";
+ std::ifstream file(full);
+ if (!file) {
+ throw std::runtime_error("failed to open block type file " + full);
+ }
+ TokenStreamReader in(file);
+ string type_name;
+ string name;
+ string tex_name;
+ string shape_name;
+ while (in.HasMore()) {
+ in.ReadIdentifier(type_name);
+ in.Skip(Token::EQUALS);
+ BlockType type;
+
+ // read block type
+ in.Skip(Token::ANGLE_BRACKET_OPEN);
+ while (in.Peek().type != Token::ANGLE_BRACKET_CLOSE) {
+ in.ReadIdentifier(name);
+ in.Skip(Token::EQUALS);
+ if (name == "visible") {
+ type.visible = in.GetBool();
+ } else if (name == "texture") {
+ in.ReadString(tex_name);
+ type.textures.push_back(tex_index.GetID(tex_name));
+ } else if (name == "textures") {
+ in.Skip(Token::BRACKET_OPEN);
+ while (in.Peek().type != Token::BRACKET_CLOSE) {
+ in.ReadString(tex_name);
+ type.textures.push_back(tex_index.GetID(tex_name));
+ if (in.Peek().type == Token::COMMA) {
+ in.Skip(Token::COMMA);
+ }
+ }
+ in.Skip(Token::BRACKET_CLOSE);
+ } else if (name == "rgb_mod") {
+ in.ReadVec(type.rgb_mod);
+ } else if (name == "hsl_mod") {
+ in.ReadVec(type.hsl_mod);
+ } else if (name == "outline") {
+ in.ReadVec(type.outline_color);
+ } else if (name == "label") {
+ in.ReadString(type.label);
+ } else if (name == "place_sound") {
+ in.ReadString(tex_name);
+ type.place_sound = snd_index.GetID(tex_name);
+ } else if (name == "remove_sound") {
+ in.ReadString(tex_name);
+ type.remove_sound = snd_index.GetID(tex_name);
+ } else if (name == "luminosity") {
+ type.luminosity = in.GetInt();
+ } else if (name == "block_light") {
+ type.block_light = in.GetBool();
+ } else if (name == "collision") {
+ type.collision = in.GetBool();
+ } else if (name == "collide_block") {
+ type.collide_block = in.GetBool();
+ } else if (name == "generate") {
+ type.generate = in.GetBool();
+ } else if (name == "min_solidity") {
+ type.min_solidity = in.GetFloat();
+ } else if (name == "mid_solidity") {
+ type.mid_solidity = in.GetFloat();
+ } else if (name == "max_solidity") {
+ type.max_solidity = in.GetFloat();
+ } else if (name == "min_humidity") {
+ type.min_humidity = in.GetFloat();
+ } else if (name == "mid_humidity") {
+ type.mid_humidity = in.GetFloat();
+ } else if (name == "max_humidity") {
+ type.max_humidity = in.GetFloat();
+ } else if (name == "min_temperature") {
+ type.min_temperature = in.GetFloat();
+ } else if (name == "mid_temperature") {
+ type.mid_temperature = in.GetFloat();
+ } else if (name == "max_temperature") {
+ type.max_temperature = in.GetFloat();
+ } else if (name == "min_richness") {
+ type.min_richness = in.GetFloat();
+ } else if (name == "mid_richness") {
+ type.mid_richness = in.GetFloat();
+ } else if (name == "max_richness") {
+ type.max_richness = in.GetFloat();
+ } else if (name == "commonness") {
+ type.commonness = in.GetFloat();
+ } else if (name == "shape") {
+ in.ReadIdentifier(shape_name);
+ type.shape = &shapes.Get(shape_name);
+ } else {
+ std::cerr << "warning: unknown block type property " << name << std::endl;
+ while (in.Peek().type != Token::SEMICOLON) {
+ in.Next();
+ }
+ }
+ in.Skip(Token::SEMICOLON);
+ }
+ in.Skip(Token::ANGLE_BRACKET_CLOSE);
+ in.Skip(Token::SEMICOLON);
+
+ reg.Add(type);
+ }
+}
+
+CubeMap AssetLoader::LoadCubeMap(const string &name) const {
+ string full = textures + 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";
+
+ CubeMap cm;
+ cm.Bind();
+ SDL_Surface *srf;
+
+ if (!(srf = IMG_Load(right.c_str()))) throw SDLError("IMG_Load");
+ try {
+ cm.Data(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(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(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(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(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(CubeMap::FRONT, *srf);
+ } catch (...) {
+ SDL_FreeSurface(srf);
+ throw;
+ }
+ SDL_FreeSurface(srf);
+
+ cm.FilterNearest();
+ cm.WrapEdge();
+
+ return cm;
+}
+
+Font AssetLoader::LoadFont(const string &name, int size) const {
string full = fonts + name + ".ttf";
return Font(full.c_str(), size);
}
+void AssetLoader::LoadModels(
+ const string &set_name,
+ ModelRegistry &models,
+ ResourceIndex &tex_index,
+ const ShapeRegistry &shapes
+) const {
+ string full = data + set_name + ".models";
+ std::ifstream file(full);
+ if (!file) {
+ throw std::runtime_error("failed to open model file " + full);
+ }
+ TokenStreamReader in(file);
+ string model_name;
+ string prop_name;
+ while (in.HasMore()) {
+ in.ReadIdentifier(model_name);
+ in.Skip(Token::EQUALS);
+ in.Skip(Token::ANGLE_BRACKET_OPEN);
+ Model &model = models.Add(model_name);
+ while (in.HasMore() && in.Peek().type != Token::ANGLE_BRACKET_CLOSE) {
+ in.ReadIdentifier(prop_name);
+ in.Skip(Token::EQUALS);
+ if (prop_name == "root") {
+ model.RootPart().Read(in, tex_index, shapes);
+ } else if (prop_name == "body") {
+ model.SetBody(in.GetULong());
+ } else if (prop_name == "eyes") {
+ model.SetEyes(in.GetULong());
+ } else {
+ while (in.HasMore() && in.Peek().type != Token::SEMICOLON) {
+ in.Next();
+ }
+ }
+ in.Skip(Token::SEMICOLON);
+ }
+ model.Enumerate();
+ in.Skip(Token::ANGLE_BRACKET_CLOSE);
+ in.Skip(Token::SEMICOLON);
+ }
+}
+
+void AssetLoader::LoadShapes(const string &set_name, ShapeRegistry &shapes) const {
+ string full = data + set_name + ".shapes";
+ std::ifstream file(full);
+ if (!file) {
+ throw std::runtime_error("failed to open shape file " + full);
+ }
+ TokenStreamReader in(file);
+ string shape_name;
+ while (in.HasMore()) {
+ in.ReadIdentifier(shape_name);
+ in.Skip(Token::EQUALS);
+ Shape &shape = shapes.Add(shape_name);
+ shape.Read(in);
+ in.Skip(Token::SEMICOLON);
+ }
+}
+
+Sound AssetLoader::LoadSound(const string &name) const {
+ string full = sounds + name + ".wav";
+ return Sound(full.c_str());
+}
+
+Texture AssetLoader::LoadTexture(const string &name) const {
+ string full = textures + name + ".png";
+ Texture tex;
+ SDL_Surface *srf = IMG_Load(full.c_str());
+ if (!srf) {
+ throw SDLError("IMG_Load");
+ }
+ tex.Bind();
+ tex.Data(*srf);
+ SDL_FreeSurface(srf);
+ return tex;
+}
+
+void AssetLoader::LoadTexture(const string &name, ArrayTexture &tex, int layer) const {
+ string full = textures + name + ".png";
+ SDL_Surface *srf = IMG_Load(full.c_str());
+ if (!srf) {
+ throw SDLError("IMG_Load");
+ }
+ tex.Bind();
+ try {
+ tex.Data(layer, *srf);
+ } catch (...) {
+ SDL_FreeSurface(srf);
+ throw;
+ }
+ SDL_FreeSurface(srf);
+}
+
+void AssetLoader::LoadTextures(const ResourceIndex &index, ArrayTexture &tex) const {
+ // TODO: where the hell should that size come from?
+ tex.Reserve(16, 16, index.Size(), Format());
+ for (const auto &entry : index.Entries()) {
+ LoadTexture(entry.first, tex, entry.second);
+ }
+}
+
void FrameCounter::EnterFrame() noexcept {
last_enter = SDL_GetTicks();
}
void FrameCounter::ExitHandle() noexcept {
- running.handle += Tick();
+ current.handle = Tick();
}
void FrameCounter::EnterUpdate() noexcept {
}
void FrameCounter::ExitUpdate() noexcept {
- running.update += Tick();
+ current.update = Tick();
}
void FrameCounter::EnterRender() noexcept {
}
void FrameCounter::ExitRender() noexcept {
- running.render += Tick();
+ current.render = Tick();
}
void FrameCounter::ExitFrame() noexcept {
Uint32 now = SDL_GetTicks();
- running.total += now - last_enter;
+ current.total = now - last_enter;
+ current.running = current.handle + current.update + current.render;
+ current.waiting = current.total - current.running;
+ Accumulate();
+
++cur_frame;
if (cur_frame >= NUM_FRAMES) {
- avg.handle = running.handle * factor;
- avg.update = running.update * factor;
- avg.render = running.render * factor;
- avg.total = running.total * factor;
- running = Frame<int>{};
+ Push();
cur_frame = 0;
changed = true;
} else {
return delta;
}
-void FrameCounter::Print(std::ostream &out) const {
- out << "frame: " << AvgFrame() << std::endl;
- out << " handle: " << AvgHandle() << std::endl;
- out << " update: " << AvgUpdate() << std::endl;
- out << " render: " << AvgRender() << std::endl;
- out << " running: " << AvgRunning() << std::endl;
- out << " waiting: " << AvgWaiting() << std::endl;
- out << std::endl;
+void FrameCounter::Accumulate() noexcept {
+ sum.handle += current.handle;
+ sum.update += current.update;
+ sum.render += current.render;
+ sum.running += current.running;
+ sum.waiting += current.waiting;
+ sum.total += current.total;
+
+ max.handle = std::max(current.handle, max.handle);
+ max.update = std::max(current.update, max.update);
+ max.render = std::max(current.render, max.render);
+ max.running = std::max(current.running, max.running);
+ max.waiting = std::max(current.waiting, max.waiting);
+ max.total = std::max(current.total, max.total);
+
+ current = Frame<int>();
+}
+
+void FrameCounter::Push() noexcept {
+ peak = max;
+ avg.handle = sum.handle * factor;
+ avg.update = sum.update * factor;
+ avg.render = sum.render * factor;
+ avg.running = sum.running * factor;
+ avg.waiting = sum.waiting * factor;
+ avg.total = sum.total * factor;
+
+ sum = Frame<int>();
+ max = Frame<int>();
}
}