X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2Fapp.cpp;h=8f3801c3893709a0bc0c92ee652158e25c40c6fd;hb=65dbb0391afb6867bd9b388c6351b947a022abad;hp=1c4b4db7dbdef47a1bae2ccf4aedf5017daf789f;hpb=50f35affb16c78bd3d0b420f5ba37d74fcac391f;p=blank.git diff --git a/src/app/app.cpp b/src/app/app.cpp index 1c4b4db..8f3801c 100644 --- a/src/app/app.cpp +++ b/src/app/app.cpp @@ -1,58 +1,47 @@ #include "Application.hpp" #include "Assets.hpp" +#include "Environment.hpp" #include "FrameCounter.hpp" +#include "State.hpp" +#include "StateControl.hpp" +#include "TextureIndex.hpp" +#include "init.hpp" +#include "../audio/Sound.hpp" +#include "../graphics/ArrayTexture.hpp" #include "../graphics/Font.hpp" +#include "../graphics/Texture.hpp" +#include "../io/TokenStreamReader.hpp" +#include "../model/shapes.hpp" #include "../world/BlockType.hpp" +#include "../world/BlockTypeRegistry.hpp" #include "../world/Entity.hpp" +#include #include #include +#include +using std::runtime_error; using std::string; -namespace { - -string get_asset_path() { - char *base = SDL_GetBasePath(); - string assets(base); - assets += "assets/"; - SDL_free(base); - return assets; -} - -} - namespace blank { -Application::Application(const Config &config) -: init(config.doublebuf, config.multisampling) -, viewport() -, assets(get_asset_path()) -, counter() -, world(config.world) -, interface(config.interface, assets, counter, world) -, test_controller(MakeTestEntity(world)) -, running(false) { - viewport.VSync(config.vsync); +Application::Application(Environment &e) +: env(e) +, states() { + } -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; +Application::~Application() { + env.audio.StopAll(); } void Application::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); @@ -63,7 +52,7 @@ void Application::RunN(size_t n) { void Application::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); @@ -72,17 +61,16 @@ void Application::RunT(size_t t) { } void Application::RunS(size_t n, size_t t) { - for (size_t i = 0; i < n; ++i) { + for (size_t i = 0; HasState() && i < n; ++i) { Loop(t); } } void Application::Run() { - running = true; Uint32 last = SDL_GetTicks(); - init.window.GrabMouse(); - while (running) { + env.window.GrabMouse(); + while (HasState()) { Uint32 now = SDL_GetTicks(); int delta = now - last; Loop(delta); @@ -91,60 +79,48 @@ void Application::Run() { } void Application::Loop(int dt) { - counter.EnterFrame(); + env.counter.EnterFrame(); HandleEvents(); + if (!HasState()) return; Update(dt); + env.state.Commit(*this); + if (!HasState()) return; Render(); - counter.ExitFrame(); + env.counter.ExitFrame(); } 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); + env.state.Commit(*this); + } + 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: - init.window.GrabMouse(); + env.window.GrabMouse(); break; case SDL_WINDOWEVENT_FOCUS_LOST: - init.window.ReleaseMouse(); + env.window.ReleaseMouse(); break; case SDL_WINDOWEVENT_RESIZED: - viewport.Resize(event.data1, event.data2); + env.viewport.Resize(event.data1, event.data2); break; default: break; @@ -152,37 +128,245 @@ void Application::Handle(const SDL_WindowEvent &event) { } void Application::Update(int dt) { - counter.EnterUpdate(); - interface.Update(dt); - test_controller.Update(dt); - world.Update(dt); - counter.ExitUpdate(); + env.counter.EnterUpdate(); + 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 - viewport.Clear(); - counter.EnterRender(); + env.viewport.Clear(); + env.counter.EnterRender(); + + if (HasState()) { + GetState().Render(env.viewport); + } + + env.counter.ExitRender(); + env.window.Flip(); +} + + +void Application::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 *Application::PopState() { + State *s = states.top(); + states.pop(); + s->OnPause(); + s->OnExit(); + if (!states.empty()) { + states.top()->OnResume(); + } + return s; +} + +State *Application::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; +} + +State &Application::GetState() { + return *states.top(); +} + +bool Application::HasState() const noexcept { + return !states.empty(); +} - world.Render(viewport); - interface.Render(viewport); - counter.ExitRender(); - init.window.Flip(); +void StateControl::Commit(Application &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; + } + } } Assets::Assets(const string &base) -: fonts(base + "fonts/") { +: fonts(base + "fonts/") +, sounds(base + "sounds/") +, textures(base + "textures/") +, data(base + "data/") +, large_ui_font(LoadFont("DejaVuSans", 24)) +, small_ui_font(LoadFont("DejaVuSans", 16)) { } +namespace { + +CuboidShape block_shape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }}); +StairShape stair_shape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }}, { 0.0f, 0.0f }); +CuboidShape slab_shape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.0f, 0.5f }}); + +} + +void Assets::LoadBlockTypes(const std::string &set_name, BlockTypeRegistry ®, TextureIndex &tex_index) 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.texture = tex_index.GetID(tex_name); + } else if (name == "color") { + in.ReadVec(type.color); + } else if (name == "label") { + in.ReadString(type.label); + } 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 == "shape") { + in.ReadIdentifier(shape_name); + if (shape_name == "block") { + type.shape = &block_shape; + type.fill = { true, true, true, true, true, true }; + } else if (shape_name == "slab") { + type.shape = &slab_shape; + type.fill = { false, true, false, false, false, false }; + } else if (shape_name == "stair") { + type.shape = &stair_shape; + type.fill = { false, true, false, false, false, true }; + } else { + throw runtime_error("unknown block shape: " + shape_name); + } + } else { + throw runtime_error("unknown block property: " + name); + } + in.Skip(Token::SEMICOLON); + } + in.Skip(Token::ANGLE_BRACKET_CLOSE); + in.Skip(Token::SEMICOLON); + + reg.Add(type); + } +} + Font Assets::LoadFont(const string &name, int size) const { string full = fonts + name + ".ttf"; return Font(full.c_str(), size); } +Sound Assets::LoadSound(const string &name) const { + string full = sounds + name + ".wav"; + return Sound(full.c_str()); +} + +Texture Assets::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 Assets::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 Assets::LoadTextures(const TextureIndex &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); + } +} + + +TextureIndex::TextureIndex() +: id_map() { + +} + +int TextureIndex::GetID(const string &name) { + auto entry = id_map.find(name); + if (entry == id_map.end()) { + auto result = id_map.emplace(name, Size()); + return result.first->second; + } else { + return entry->second; + } +} + void FrameCounter::EnterFrame() noexcept { last_enter = SDL_GetTicks(); @@ -194,7 +378,7 @@ void FrameCounter::EnterHandle() noexcept { } void FrameCounter::ExitHandle() noexcept { - running.handle += Tick(); + current.handle = Tick(); } void FrameCounter::EnterUpdate() noexcept { @@ -202,7 +386,7 @@ void FrameCounter::EnterUpdate() noexcept { } void FrameCounter::ExitUpdate() noexcept { - running.update += Tick(); + current.update = Tick(); } void FrameCounter::EnterRender() noexcept { @@ -210,19 +394,19 @@ 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{}; + Push(); cur_frame = 0; changed = true; } else { @@ -237,14 +421,35 @@ int FrameCounter::Tick() noexcept { 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(); +} + +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(); + max = Frame(); } }