standalone/standalone.cpp

   1 #include "DirectCLIFeedback.hpp"
   2 #include "MasterState.hpp"
   3 #include "PreloadState.hpp"
   4 #include "UnloadState.hpp"
   5
   6 #include "../app/Config.hpp"
   7 #include "../app/Environment.hpp"
   8 #include "../app/init.hpp"
   9 #include "../geometry/distance.hpp"
  10 #include "../io/WorldSave.hpp"
  11 #include "../world/ChunkLoader.hpp"
  12 #include "../world/ChunkRenderer.hpp"
  13
  14 #include <SDL.h>
  15 #include <iostream>
  16
  17
  18 namespace blank {
  19 namespace standalone {
  20
  21 DirectCLIFeedback::DirectCLIFeedback(Player &p, HUD &h)
  22 : CLIContext(&p)
  23 , hud(h) {
  24
  25 }
  26
  27 void DirectCLIFeedback::Error(const std::string &msg) {
  28         hud.PostMessage(msg);
  29 }
  30
  31 void DirectCLIFeedback::Message(const std::string &msg) {
  32         hud.PostMessage(msg);
  33 }
  34
  35 void DirectCLIFeedback::Broadcast(const std::string &msg) {
  36         hud.PostMessage(msg);
  37 }
  38
  39
  40 MasterState::MasterState(
  41         Environment &env,
  42         Config &config,
  43         const Generator::Config &gc,
  44         const World::Config &wc,
  45         const WorldSave &save
  46 )
  47 : config(config)
  48 , env(env)
  49 , res()
  50 , sounds()
  51 , save(save)
  52 , world(res.block_types, wc)
  53 , spawn_index(world.Chunks().MakeIndex(wc.spawn, 3))
  54 , player(*world.AddPlayer(config.player.name))
  55 , spawn_player(false)
  56 , hud(env, config, player)
  57 , manip(env.audio, sounds, player.GetEntity())
  58 , input(world, player, manip)
  59 , interface(config, env.keymap, input, *this)
  60 , generator(gc)
  61 , chunk_loader(world.Chunks(), generator, save)
  62 , chunk_renderer(player.GetChunks())
  63 , spawner(world, res.models)
  64 , sky(env.loader.LoadCubeMap("skybox"))
  65 , cli(world)
  66 , cli_ctx(player, hud)
  67 , preload(env, chunk_loader, chunk_renderer)
  68 , unload(env, world.Chunks(), save)
  69 , chat(env, *this, *this) {
  70         res.Load(env.loader, "default");
  71         if (res.models.size() < 2) {
  72                 throw std::runtime_error("need at least two models to run");
  73         }
  74         res.models[0].Instantiate(player.GetEntity().GetModel());
  75         sounds.Load(env.loader, res.snd_index);
  76         spawner.LimitModels(1, res.models.size());
  77         interface.SetInventorySlots(res.block_types.size() - 1);
  78         generator.LoadTypes(res.block_types);
  79         chunk_renderer.LoadTextures(env.loader, res.tex_index);
  80         chunk_renderer.FogDensity(wc.fog_density);
  81         if (save.Exists(player)) {
  82                 save.Read(player);
  83         } else {
  84                 spawn_player = true;
  85         }
  86 }
  87
  88 MasterState::~MasterState() {
  89         world.Chunks().UnregisterIndex(spawn_index);
  90 }
  91
  92
  93 void MasterState::OnResume() {
  94         if (spawn_index.MissingChunks() > 0) {
  95                 env.state.Push(&preload);
  96                 return;
  97         }
  98         std::cout << "chunk preloading complete" << std::endl;
  99         if (spawn_player) {
 100                 // TODO: spawn
 101                 spawn_player = false;
 102         }
 103         hud.KeepMessages(false);
 104         OnFocus();
 105 }
 106
 107 void MasterState::OnPause() {
 108         OnBlur();
 109 }
 110
 111 void MasterState::OnFocus() {
 112         if (config.input.mouse) {
 113                 env.window.GrabMouse();
 114         }
 115         interface.Unlock();
 116 }
 117
 118 void MasterState::OnBlur() {
 119         env.window.ReleaseMouse();
 120         interface.Lock();
 121 }
 122
 123
 124 void MasterState::Handle(const SDL_Event &event) {
 125         switch (event.type) {
 126                 case SDL_KEYDOWN:
 127                         // TODO: move to interface
 128                         if (event.key.keysym.sym == SDLK_RETURN) {
 129                                 chat.Clear();
 130                                 env.state.Push(&chat);
 131                                 hud.KeepMessages(true);
 132                         } else if (event.key.keysym.sym == SDLK_SLASH) {
 133                                 chat.Preset("/");
 134                                 env.state.Push(&chat);
 135                                 hud.KeepMessages(true);
 136                         } else {
 137                                 interface.HandlePress(event.key);
 138                         }
 139                         break;
 140                 case SDL_KEYUP:
 141                         interface.HandleRelease(event.key);
 142                         break;
 143                 case SDL_MOUSEBUTTONDOWN:
 144                         interface.HandlePress(event.button);
 145                         break;
 146                 case SDL_MOUSEBUTTONUP:
 147                         interface.HandleRelease(event.button);
 148                         break;
 149                 case SDL_MOUSEMOTION:
 150                         interface.Handle(event.motion);
 151                         break;
 152                 case SDL_MOUSEWHEEL:
 153                         interface.Handle(event.wheel);
 154                         break;
 155                 case SDL_QUIT:
 156                         Exit();
 157                         break;
 158                 default:
 159                         break;
 160         }
 161 }
 162
 163 void MasterState::Update(int dt) {
 164         spawner.Update(dt);
 165         world.Update(dt);
 166         if (input.BlockFocus()) {
 167                 hud.FocusBlock(input.BlockFocus().GetChunk(), input.BlockFocus().block);
 168         } else if (input.EntityFocus()) {
 169                 hud.FocusEntity(input.EntityFocus().GetEntity());
 170         } else {
 171                 hud.FocusNone();
 172         }
 173         hud.Display(res.block_types[player.GetInventorySlot() + 1]);
 174         hud.Update(dt);
 175         chunk_loader.Update(dt);
 176         chunk_renderer.Update(dt);
 177
 178         glm::mat4 trans = player.GetEntity().Transform(player.GetEntity().ChunkCoords());
 179         glm::vec3 dir(trans * glm::vec4(0.0f, 0.0f, -1.0f, 0.0f));
 180         glm::vec3 up(trans * glm::vec4(0.0f, 1.0f, 0.0f, 0.0f));
 181         env.audio.Position(player.GetEntity().Position());
 182         env.audio.Velocity(player.GetEntity().Velocity());
 183         env.audio.Orientation(dir, up);
 184 }
 185
 186 void MasterState::Render(Viewport &viewport) {
 187         viewport.WorldPosition(player.GetEntity().ViewTransform(player.GetEntity().ChunkCoords()));
 188         if (config.video.world) {
 189                 chunk_renderer.Render(viewport);
 190                 world.Render(viewport);
 191                 if (config.video.debug) {
 192                         world.RenderDebug(viewport);
 193                 }
 194                 sky.Render(viewport);
 195         }
 196         hud.Render(viewport);
 197 }
 198
 199
 200 void MasterState::SetAudio(bool b) {
 201         config.audio.enabled = b;
 202         if (b) {
 203                 hud.PostMessage("Audio enabled");
 204         } else {
 205                 hud.PostMessage("Audio disabled");
 206         }
 207 }
 208
 209 void MasterState::SetVideo(bool b) {
 210         config.video.world = b;
 211         if (b) {
 212                 hud.PostMessage("World rendering enabled");
 213         } else {
 214                 hud.PostMessage("World rendering disabled");
 215         }
 216 }
 217
 218 void MasterState::SetHUD(bool b) {
 219         config.video.hud = b;
 220         if (b) {
 221                 hud.PostMessage("HUD rendering enabled");
 222         } else {
 223                 hud.PostMessage("HUD rendering disabled");
 224         }
 225 }
 226
 227 void MasterState::SetDebug(bool b) {
 228         config.video.debug = b;
 229         if (b) {
 230                 hud.PostMessage("Debug rendering enabled");
 231         } else {
 232                 hud.PostMessage("Debug rendering disabled");
 233         }
 234 }
 235
 236 void MasterState::NextCamera() {
 237         if (iszero(env.viewport.CameraOffset())) {
 238                 env.viewport.OffsetCamera(glm::vec3(0.0f, 0.0f, -5.0f));
 239         } else {
 240                 env.viewport.OffsetCamera(glm::vec3(0.0f, 0.0f, 0.0f));
 241         }
 242 }
 243
 244 void MasterState::Exit() {
 245         save.Write(player);
 246         env.state.Switch(&unload);
 247 }
 248
 249 void MasterState::OnLineSubmit(const std::string &line) {
 250         if (line.empty()) {
 251                 return;
 252         }
 253         if (line[0] == '/' && line.size() > 1 && line[1] != '/') {
 254                 cli.Execute(cli_ctx, line.substr(1));
 255         } else {
 256                 hud.PostMessage(line);
 257         }
 258 }
 259
 260
 261 PreloadState::PreloadState(Environment &env, ChunkLoader &loader, ChunkRenderer &render)
 262 : ProgressState(env, "Preloading chunks: %d/%d (%d%%)")
 263 , env(env)
 264 , loader(loader)
 265 , render(render)
 266 , total(loader.ToLoad())
 267 , per_update(64) {
 268
 269 }
 270
 271 void PreloadState::Update(int) {
 272         loader.LoadN(per_update);
 273         if (loader.ToLoad() <= 0) {
 274                 env.state.Pop();
 275                 render.Update(render.MissingChunks());
 276         } else {
 277                 SetProgress(total - loader.ToLoad(), total);
 278         }
 279 }
 280
 281
 282 UnloadState::UnloadState(
 283         Environment &env,
 284         ChunkStore &chunks,
 285         const WorldSave &save)
 286 : ProgressState(env, "Unloading chunks: %d/%d (%d%%)")
 287 , env(env)
 288 , chunks(chunks)
 289 , save(save)
 290 , cur(chunks.begin())
 291 , end(chunks.end())
 292 , done(0)
 293 , total(chunks.NumLoaded())
 294 , per_update(64) {
 295
 296 }
 297
 298
 299 void UnloadState::OnResume() {
 300         cur = chunks.begin();
 301         end = chunks.end();
 302         done = 0;
 303         total = chunks.NumLoaded();
 304 }
 305
 306
 307 void UnloadState::Handle(const SDL_Event &) {
 308         // ignore everything
 309 }
 310
 311 void UnloadState::Update(int) {
 312         for (std::size_t i = 0; i < per_update && cur != end; ++i, ++cur, ++done) {
 313                 if (cur->ShouldUpdateSave()) {
 314                         save.Write(*cur);
 315                 }
 316         }
 317         if (cur == end) {
 318                 env.state.Pop();
 319         } else {
 320                 SetProgress(done, total);
 321         }
 322 }
 323
 324 }
 325 }