add proper drop timing based on level

2 files changed, 12 insertions, 1 deletions

diff --git a/cetris.c b/cetris.c
index 4356e86..969ff5e 100644
--- a/cetris.c
+++ b/cetris.c
@@ -77,6 +77,11 @@ static const piece_matrix default_matrices[7] = {
   }

 };

 

+/* LEVEL DROP SPEED VALUES */

+static const int level_drop_delay[20] = {

+  48, 43, 38, 33, 28, 23, 18, 13, 8, 6, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3 

+};

+

 /* SRS WALL KICK VALUES */

 

 // https://tetris.wiki/SRS

@@ -303,6 +308,8 @@ void init_game(struct cetris_game* g) {
 #endif

 

   g->tick = 0;

+  g->next_drop_tick = level_drop_delay[0];

+

   g->current_index = 0;

 

   clear_move_queue(g);

@@ -376,7 +383,10 @@ void shuffle_queue(struct cetris_game* g) {
 }

 

 void update_game_tick(struct cetris_game* g) {

-  if ((g->tick % CETRIS_HZ) == 0) move_down(g);

+  if (g->tick == g->next_drop_tick) {

+    move_down(g);

+    g->next_drop_tick = g->tick + level_drop_delay[g->level - 1];

+  }

 

   if (g->current.lock_tick && g->current.lock_tick <= g->tick) {

     g->current.pos.y++;

diff --git a/cetris.h b/cetris.h
index cc353de..f18452e 100644
--- a/cetris.h
+++ b/cetris.h
@@ -79,6 +79,7 @@ struct cetris_game {
 

   /* internal game tick */

   int tick;

+  int next_drop_tick;

 

   /* progress trackers */

   int lines;