Add gold support

- added gold layer to the map
- the player can collect gold
- updates the score
- TODO: end of stage

1 files changed, 7 insertions, 1 deletions

diff --git a/src/game.c b/src/game.c
index b39b0ca..b80090a 100644
--- a/src/game.c
+++ b/src/game.c
@@ -24,7 +24,7 @@ static uint8_t stage;
 static uint8_t gold;
 static uint8_t time;
 
-void hud_render()
+static void hud_render()
 {
     char b[32];
 
@@ -106,3 +106,9 @@ void run_game()
         blit_update();
     }
 }
+
+void add_score(uint8_t v)
+{
+    score += v;
+    hud |= HUD_SCORE;
+}