src/interface.cpp

   1 #include "interface.hpp"
   2
   3 #include "geometry.hpp"
   4 #include "world.hpp"
   5
   6 #include <iostream>
   7 #include <glm/glm.hpp>
   8 #include <glm/gtc/matrix_transform.hpp>
   9 #include <glm/gtx/io.hpp>
  10
  11
  12 namespace blank {
  13
  14 Interface::Interface(const Config &config, World &world)
  15 : world(world)
  16 , ctrl(world.Player())
  17 , hud(world.BlockTypes())
  18 , aim_chunk(nullptr)
  19 , aim_block(0)
  20 , aim_normal()
  21 , outline()
  22 , outline_transform(1.0f)
  23 , config(config)
  24 , remove(0)
  25 , selection(1)
  26 , front(false)
  27 , back(false)
  28 , left(false)
  29 , right(false)
  30 , up(false)
  31 , down(false) {
  32         hud.Viewport(960, 600);
  33         hud.Display(selection);
  34 }
  35
  36
  37 void Interface::Handle(const SDL_KeyboardEvent &event) {
  38         if (config.keyboard_disabled) return;
  39
  40         switch (event.keysym.sym) {
  41                 case SDLK_w:
  42                         front = event.state == SDL_PRESSED;
  43                         break;
  44                 case SDLK_s:
  45                         back = event.state == SDL_PRESSED;
  46                         break;
  47                 case SDLK_a:
  48                         left = event.state == SDL_PRESSED;
  49                         break;
  50                 case SDLK_d:
  51                         right = event.state == SDL_PRESSED;
  52                         break;
  53                 case SDLK_SPACE:
  54                         up = event.state == SDL_PRESSED;
  55                         break;
  56                 case SDLK_LSHIFT:
  57                         down = event.state == SDL_PRESSED;
  58                         break;
  59
  60                 case SDLK_q:
  61                         if (event.state == SDL_PRESSED) {
  62                                 FaceBlock();
  63                         }
  64                         break;
  65                 case SDLK_e:
  66                         if (event.state == SDL_PRESSED) {
  67                                 TurnBlock();
  68                         }
  69                         break;
  70
  71                 case SDLK_b:
  72                         if (event.state == SDL_PRESSED) {
  73                                 PrintBlockInfo();
  74                         }
  75                         break;
  76                 case SDLK_c:
  77                         if (event.state == SDL_PRESSED) {
  78                                 PrintChunkInfo();
  79                         }
  80                         break;
  81                 case SDLK_l:
  82                         if (event.state == SDL_PRESSED) {
  83                                 PrintLightInfo();
  84                         }
  85                         break;
  86                 case SDLK_p:
  87                         if (event.state == SDL_PRESSED) {
  88                                 PrintSelectionInfo();
  89                         }
  90                         break;
  91         }
  92 }
  93
  94 void Interface::FaceBlock() {
  95         selection.SetFace(Block::Face((selection.GetFace() + 1) % Block::FACE_COUNT));
  96         hud.Display(selection);
  97 }
  98
  99 void Interface::TurnBlock() {
 100         selection.SetTurn(Block::Turn((selection.GetTurn() + 1) % Block::TURN_COUNT));
 101         hud.Display(selection);
 102 }
 103
 104 void Interface::PrintBlockInfo() {
 105         std::cout << std::endl;
 106         if (!aim_chunk) {
 107                 std::cout << "not looking at any block" << std::endl;
 108                 Ray aim = ctrl.Aim();
 109                 std::cout << "aim ray: " << aim.orig << ", " << aim.dir << std::endl;
 110                 return;
 111         }
 112         std::cout << "looking at block " << aim_block
 113                 << " " << Chunk::ToCoords(aim_block)
 114                 << " of chunk " << aim_chunk->Position()
 115                 << std::endl;
 116         Print(aim_chunk->BlockAt(aim_block));
 117 }
 118
 119 void Interface::PrintChunkInfo() {
 120         std::cout << std::endl;
 121         if (!aim_chunk) {
 122                 std::cout << "not looking at any block" << std::endl;
 123                 return;
 124         }
 125         std::cout << "looking at chunk "
 126                 << aim_chunk->Position()
 127                 << std::endl;
 128
 129         std::cout << "  neighbors:" << std::endl;
 130         if (aim_chunk->HasNeighbor(Block::FACE_LEFT)) {
 131                 std::cout << " left  " << aim_chunk->GetNeighbor(Block::FACE_LEFT).Position() << std::endl;
 132         }
 133         if (aim_chunk->HasNeighbor(Block::FACE_RIGHT)) {
 134                 std::cout << " right " << aim_chunk->GetNeighbor(Block::FACE_RIGHT).Position() << std::endl;
 135         }
 136         if (aim_chunk->HasNeighbor(Block::FACE_UP)) {
 137                 std::cout << " up    " << aim_chunk->GetNeighbor(Block::FACE_UP).Position() << std::endl;
 138         }
 139         if (aim_chunk->HasNeighbor(Block::FACE_DOWN)) {
 140                 std::cout << " down  " << aim_chunk->GetNeighbor(Block::FACE_DOWN).Position() << std::endl;
 141         }
 142         if (aim_chunk->HasNeighbor(Block::FACE_FRONT)) {
 143                 std::cout << " front " << aim_chunk->GetNeighbor(Block::FACE_FRONT).Position() << std::endl;
 144         }
 145         if (aim_chunk->HasNeighbor(Block::FACE_BACK)) {
 146                 std::cout << " back  " << aim_chunk->GetNeighbor(Block::FACE_BACK).Position() << std::endl;
 147         }
 148         std::cout << std::endl;
 149 }
 150
 151 void Interface::PrintLightInfo() {
 152         std::cout
 153                 << "light level " << world.PlayerChunk().GetLight(world.Player().Position())
 154                 << " at position " << world.Player().Position()
 155                 << std::endl;
 156 }
 157
 158 void Interface::PrintSelectionInfo() {
 159         std::cout << std::endl;
 160         Print(selection);
 161 }
 162
 163 void Interface::Print(const Block &block) {
 164         std::cout << "type: " << block.type
 165                 << ", face: " << block.GetFace()
 166                 << ", turn: " << block.GetTurn()
 167                 << std::endl;
 168 }
 169
 170
 171 void Interface::Handle(const SDL_MouseMotionEvent &event) {
 172         if (config.mouse_disabled) return;
 173         ctrl.RotateYaw(event.xrel * config.yaw_sensitivity);
 174         ctrl.RotatePitch(event.yrel * config.pitch_sensitivity);
 175 }
 176
 177 void Interface::Handle(const SDL_MouseButtonEvent &event) {
 178         if (config.mouse_disabled) return;
 179
 180         if (event.state != SDL_PRESSED) return;
 181
 182         if (event.button == 1) {
 183                 RemoveBlock();
 184         } else if (event.button == 2) {
 185                 PickBlock();
 186         } else if (event.button == 3) {
 187                 PlaceBlock();
 188         }
 189 }
 190
 191 void Interface::PickBlock() {
 192         if (!aim_chunk) return;
 193         selection = aim_chunk->BlockAt(aim_block);
 194         hud.Display(selection);
 195 }
 196
 197 void Interface::PlaceBlock() {
 198         if (!aim_chunk) return;
 199         Chunk *mod_chunk = aim_chunk;
 200         glm::vec3 next_pos = Chunk::ToCoords(aim_block) + aim_normal;
 201         if (!Chunk::InBounds(next_pos)) {
 202                 mod_chunk = &world.Next(*aim_chunk, aim_normal);
 203                 next_pos -= aim_normal * glm::vec3(Chunk::Extent());
 204         }
 205         mod_chunk->SetBlock(next_pos, selection);
 206         mod_chunk->Invalidate();
 207 }
 208
 209 void Interface::RemoveBlock() {
 210         if (!aim_chunk) return;
 211         aim_chunk->SetBlock(aim_block, remove);
 212         aim_chunk->Invalidate();
 213 }
 214
 215
 216 void Interface::Handle(const SDL_MouseWheelEvent &event) {
 217         if (config.mouse_disabled) return;
 218
 219         if (event.y < 0) {
 220                 SelectNext();
 221         } else if (event.y > 0) {
 222                 SelectPrevious();
 223         }
 224 }
 225
 226 void Interface::SelectNext() {
 227         ++selection.type;
 228         if (size_t(selection.type) >= world.BlockTypes().Size()) {
 229                 selection.type = 1;
 230         }
 231         hud.Display(selection);
 232 }
 233
 234 void Interface::SelectPrevious() {
 235         --selection.type;
 236         if (selection.type <= 0) {
 237                 selection.type = world.BlockTypes().Size() - 1;
 238         }
 239         hud.Display(selection);
 240 }
 241
 242 void Interface::Handle(const SDL_WindowEvent &event) {
 243         if (event.event == SDL_WINDOWEVENT_RESIZED) {
 244                 hud.Viewport(event.data1, event.data2);
 245         }
 246 }
 247
 248
 249 void Interface::Update(int dt) {
 250         glm::vec3 vel;
 251         if (right && !left) {
 252                 vel.x = config.move_velocity;
 253         } else if (left && !right) {
 254                 vel.x = -config.move_velocity;
 255         }
 256         if (up && !down) {
 257                 vel.y = config.move_velocity;
 258         } else if (down && !up) {
 259                 vel.y = -config.move_velocity;
 260         }
 261         if (back && !front) {
 262                 vel.z = config.move_velocity;
 263         } else if (front && !back) {
 264                 vel.z = -config.move_velocity;
 265         }
 266         ctrl.Velocity(vel);
 267         ctrl.Update(dt);
 268
 269         Ray aim = ctrl.Aim();
 270         float dist;
 271         if (world.Intersection(aim, glm::mat4(1.0f), &aim_chunk, &aim_block, &dist, &aim_normal)) {
 272                 outline.Clear();
 273                 aim_chunk->Type(aim_chunk->BlockAt(aim_block)).FillOutlineModel(outline);
 274                 outline_transform = glm::scale(glm::mat4(1.0f), glm::vec3(1.0002f));
 275                 outline_transform = aim_chunk->Transform(world.Player().ChunkCoords());
 276                 outline_transform *= aim_chunk->ToTransform(aim_block);
 277         } else {
 278                 aim_chunk = nullptr;
 279         }
 280
 281 }
 282
 283
 284 void Interface::Render(DirectionalLighting &program) {
 285         if (config.visual_disabled) return;
 286
 287         if (aim_chunk) {
 288                 program.SetM(outline_transform);
 289                 outline.Draw();
 290         }
 291
 292         hud.Render(program);
 293 }
 294
 295 }