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[hackover2013-badge-firmware.git] / badge / jumpnrun / tiles.h

diff --git a/badge/jumpnrun/tiles.h b/badge/jumpnrun/tiles.h
index 3ce7869..8e47800 100644 (file)
--- a/badge/jumpnrun/tiles.h
+++ b/badge/jumpnrun/tiles.h
@@ -22,7 +22,7 @@ enum {
 typedef struct jumpnrun_tile_position {
   int16_t x;
   int8_t  y;
-} jumpnrun_tile_position;
+} __attribute__((packed)) jumpnrun_tile_position;
 
 typedef struct jumpnrun_tile_type {
   uint8_t      lethal_sides;
@@ -32,11 +32,11 @@ typedef struct jumpnrun_tile_type {
 typedef struct jumpnrun_tile {
   jumpnrun_tile_position pos;
   uint8_t                type;
-} jumpnrun_tile;
+} __attribute__((packed)) jumpnrun_tile;
 
 typedef struct jumpnrun_tile_range {
-  size_t first;
-  size_t last; // actually one past last.
+  uint16_t first;
+  uint16_t last; // actually one past last.
 } jumpnrun_tile_range;
 
 static inline fixed_point tile_left  (jumpnrun_tile const *tile) { return FIXED_INT(tile->pos.x * JUMPNRUN_TILE_PIXEL_WIDTH ); }