fixed compiler warnings (after adding "-Wmissing-prototypes")

[rocksndiamonds.git] / src / game_em / input.c

diff --git a/src/game_em/input.c b/src/game_em/input.c
index 7b3ae9214f65e38dc40f97ed3d925bd32a0d8ddd..1e641bcf921c80fee97102f815731f2d9853e6f4 100644 (file)
--- a/src/game_em/input.c
+++ b/src/game_em/input.c
@@ -58,22 +58,23 @@ void game_init_vars(void)
   Boom = Index[3];
 }
 
-void InitGameEngine_EM()
+void InitGameEngine_EM(void)
 {
   prepare_em_level();
 
   game_initscreen();
-  game_animscreen();
+
+  RedrawPlayfield_EM(FALSE);
 }
 
-void UpdateGameDoorValues_EM()
+static void UpdateGameDoorValues_EM(void)
 {
 }
 
 void GameActions_EM(byte action[MAX_PLAYERS], boolean warp_mode)
 {
   int i;
-  boolean player_is_dropping = FALSE;
+  boolean any_player_dropping = FALSE;
 
   RandomEM = RandomEM * 129 + 1;
 
@@ -82,7 +83,7 @@ void GameActions_EM(byte action[MAX_PLAYERS], boolean warp_mode)
   for (i = 0; i < MAX_PLAYERS; i++)
     readjoy(action[i], &ply[i]);
 
-  UpdateEngineValues(screen_x / TILEX, screen_y / TILEY);
+  UpdateEngineValues(screen_x / TILEX, screen_y / TILEY, ply[0].x, ply[0].y);
 
   if (frame == 7)
   {
@@ -103,14 +104,12 @@ void GameActions_EM(byte action[MAX_PLAYERS], boolean warp_mode)
        ply[i].dynamite &&
        ply[i].dynamite_cnt > 0 &&
        ply[i].dynamite_cnt < 5)
-      player_is_dropping = TRUE;
+      any_player_dropping = TRUE;
 
   CheckSingleStepMode_EM(action, frame, game_em.any_player_moving,
-                        player_is_dropping);
-
-  game_animscreen();
+                        game_em.any_player_snapping, any_player_dropping);
 
-  blitscreen();
+  RedrawPlayfield_EM(FALSE);
 }
 
 /* read input device for players */
@@ -120,6 +119,9 @@ void readjoy(byte action, struct PLAYER *ply)
   int north = 0, east = 0, south = 0, west = 0;
   int snap = 0, drop = 0;
 
+  if (game_em.use_single_button && action & (JOY_BUTTON_1 | JOY_BUTTON_2))
+    action |= JOY_BUTTON_1 | JOY_BUTTON_2;
+
   if (action & JOY_LEFT)
     west = 1;
 
@@ -138,19 +140,34 @@ void readjoy(byte action, struct PLAYER *ply)
   if (action & JOY_BUTTON_2)
     drop = 1;
 
-  ply->joy_snap = snap;
+  /* always update drop action */
   ply->joy_drop = drop;
 
-  if (ply->joy_stick || (north | east | south | west))
+  if (ply->joy_stick || (north | east | south | west)) /* (no "| snap"!) */
   {
     ply->joy_n = north;
     ply->joy_e = east;
     ply->joy_s = south;
     ply->joy_w = west;
+
+    /* when storing last action, only update snap action with direction */
+    /* (prevents clearing direction if snapping stopped before frame 7) */
+    ply->joy_snap = snap;
   }
+
+  /* if no direction was stored before, allow setting snap to current state */
+  if (!ply->joy_n &&
+      !ply->joy_e &&
+      !ply->joy_s &&
+      !ply->joy_w)
+    ply->joy_snap = snap;
+
+  /* use bug with snap key (mainly TAS keys) sometimes moving the player */
+  if (game_em.use_snap_key_bug)
+    ply->joy_snap = snap;
 }
 
-void SaveEngineSnapshotValues_EM()
+void SaveEngineSnapshotValues_EM(void)
 {
   int i, j, k;
 
@@ -177,7 +194,7 @@ void SaveEngineSnapshotValues_EM()
        engine_snapshot_em.Array[i][j][k] = Array[i][j][k];
 }
 
-void LoadEngineSnapshotValues_EM()
+void LoadEngineSnapshotValues_EM(void)
 {
   int i, j, k;