fork download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. #include <string>
  4.  
  5. // 1. Define the types of blocks available
  6. enum BlockType { AIR, DIRT, GRASS, STONE };
  7.  
  8. struct Block {
  9.     BlockType type;
  10.  
  11.     // Minecraft uses "metadata" to store extra info (like orientation)
  12.     std::string getBlockName() {
  13.         switch(type) {
  14.             case GRASS: return "Grass Block";
  15.             case STONE: return "Stone Block";
  16.             case DIRT:  return "Dirt Block";
  17.             default:    return "Air";
  18.         }
  19.     }
  20. };
  21.  
  22. // 2. The Chunk - A 16x16x16 area (simplified for this example)
  23. class Chunk {
  24. public:
  25.     static const int SIZE = 16;
  26.     Block blocks[SIZE][SIZE][SIZE];
  27.  
  28.     void generateTerrain() {
  29.         for (int x = 0; x < SIZE; x++) {
  30.             for (int z = 0; z < SIZE; z++) {
  31.                 // Simple flat world generation
  32.                 blocks[x][0][z] = {STONE};
  33.                 blocks[x][1][z] = {DIRT};
  34.                 blocks[x][2][z] = {GRASS};
  35.                 // Everything else remains AIR by default
  36.             }
  37.         }
  38.     }
  39. };
  40.  
  41. // 3. The World - Manages multiple chunks
  42. class World {
  43. public:
  44.     std::vector<Chunk> loadedChunks;
  45.  
  46.     void addChunk() {
  47.         Chunk newChunk;
  48.         newChunk.generateTerrain();
  49.         loadedChunks.push_back(newChunk);
  50.     }
  51.  
  52.     void getBlockAt(int x, int y, int z) {
  53.         // In a real game, you'd calculate which chunk (x,y,z) is in
  54.         std::cout << "Block at " << x << "," << y << "," << z << " is: " 
  55.                   << loadedChunks[0].blocks[x][y][z].getBlockName() << std::endl;
  56.     }
  57. };
  58.  
  59. int main() {
  60.     World myWorld;
  61.     myWorld.addChunk();
  62.  
  63.     // Check what is at the surface (y=2)
  64.     myWorld.getBlockAt(5, 2, 5); 
  65.  
  66.     return 0;
  67. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Block at 5,2,5 is: Grass Block
https://ideone.com/Qz0sDS
language:
C++ (gcc 8.3)
created:
7 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!