Remove core.h, SDL2->SDL3, Makefile cleanup, ansi C, 80 char.

handmade_tile.h

@@ -4,45 +4,45 @@
 #include "handmade_math.h"
 
 struct tile_map_difference {
-    struct v2 dXY;
-    float dZ;
+    struct v2 d_xy;
+    float d_z;
 };
 
 struct tile_map_position {
-    unsigned int AbsTileX;
-    unsigned int AbsTileY;
-    unsigned int AbsTileZ;
+    unsigned int abs_tile_x;
+    unsigned int abs_tile_y;
+    unsigned int abs_tile_z;
 
     /* NOTE: X and Y relative to tile center. */
-    struct v2 Offset;
+    struct v2 offset;
 };
 
 struct tile_chunk_position {
-    unsigned int TileChunkX;
-    unsigned int TileChunkY;
-    unsigned int TileChunkZ;
+    unsigned int tile_chunk_x;
+    unsigned int tile_chunk_y;
+    unsigned int tile_chunk_z;
 
-    unsigned int RelTileX;
-    unsigned int RelTileY;
+    unsigned int rel_tile_x;
+    unsigned int rel_tile_y;
 };
 
 struct tile_chunk {
-    unsigned int *Tiles;
+    unsigned int *tiles;
 };
 
 struct tile_map {
-    unsigned int ChunkShift;
-    unsigned int ChunkMask;
-    unsigned int ChunkDim;
+    unsigned int chunk_shift;
+    unsigned int chunk_mask;
+    unsigned int chunk_dim;
 
-    float TileSideInMeters;
+    float tile_side_in_meters;
 
     /* TODO: Real sparseness. */
-    unsigned int TileChunkCountX;
-    unsigned int TileChunkCountY;
-    unsigned int TileChunkCountZ;
+    unsigned int tile_chunk_count_x;
+    unsigned int tile_chunk_count_y;
+    unsigned int tile_chunk_count_z;
 
-    struct tile_chunk *TileChunks;
+    struct tile_chunk *tile_chunks;
 };
 
 #endif