src/game/level.h

   1 #ifndef LEVEL_H_
   2 #define LEVEL_H_
   3
   4 #include <stdint.h>
   5
   6 #include "engine/asset.h"
   7
   8 enum BlockType {
   9         BLOCKTYPE_SPACE = 0,
  10         BLOCKTYPE_OBSTACLE_X = 1 << 0,
  11         BLOCKTYPE_OBSTACLE_Z = 1 << 1
  12 };
  13
  14 enum Obstacle {
  15         OBSTACLE_NONE = 0,
  16         OBSTACLE_XP = 1 << 0,
  17         OBSTACLE_XN = 1 << 1,
  18         OBSTACLE_ZP = 1 << 2,
  19         OBSTACLE_ZN = 1 << 3,
  20         OBSTACLE_XP_ZP = 1 << 4,
  21         OBSTACLE_XP_ZN = 1 << 5,
  22         OBSTACLE_XN_ZP = 1 << 6,
  23         OBSTACLE_XN_ZN = 1 << 7
  24 };
  25
  26 typedef enum BlockType BlockType;
  27 typedef enum Obstacle Obstacle;
  28 typedef struct Block Block;
  29 typedef struct BlockGrid BlockGrid;
  30 typedef struct GridLocation GridLocation;
  31
  32 struct Block {
  33         BlockType type;
  34         const Solid* solid;
  35 };
  36
  37 struct BlockGrid {
  38         size_t width;
  39         size_t depth;
  40         Block** blocks;
  41 };
  42
  43 struct GridLocation {
  44         size_t x;
  45         size_t z;
  46 };
  47
  48 static const float BLOCKGRID_CELL_SIZE = 2.5f;
  49
  50 extern BlockGrid levelGrid;
  51
  52 void initLevel();
  53 void startLevel();
  54 GridLocation gridLocationFromPosition(Vector pos);
  55 Obstacle getObstacles(GridLocation loc);
  56
  57 static inline Block* getBlockFromGrid(BlockGrid grid, size_t x, size_t z) {
  58         return grid.blocks[(z * grid.width) + x];
  59 }
  60
  61 static inline void setBlockInGrid(BlockGrid grid, size_t x, size_t z, Block* block) {
  62         grid.blocks[(z * grid.width) + x] = block;
  63 }
  64
  65 static inline float cellBoundaryCoord(size_t cellIndex) {
  66         return cellIndex * BLOCKGRID_CELL_SIZE;
  67 }
  68
  69 #endif // LEVEL_H_