X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_em%2Finput.c;h=7eccf546178f894186ff1f0e9240cbcc70708e9e;hb=56be9668e4ff713c8fff9b105f0913dd4d373cb1;hp=f04718f7e4a5b19000c457551d1355ee342cd2ec;hpb=73dd81c85be90e466493bcc6f45c402d29bc7f20;p=rocksndiamonds.git

diff --git a/src/game_em/input.c b/src/game_em/input.c
index f04718f7..7eccf546 100644
--- a/src/game_em/input.c
+++ b/src/game_em/input.c
@@ -3,116 +3,119 @@
  * handle input from x11 and keyboard and joystick
  */
 
-#include "global.h"
-#include "display.h"
-#include "level.h"
+#include "main_em.h"
 
 
-unsigned long Random;
+unsigned int RandomEM;
 
-struct PLAYER ply1;
-struct PLAYER ply2;
-struct LEVEL lev;
+struct CAVE cav;
+struct LOGIC lev;
+struct PLAYER ply[MAX_PLAYERS];
 
-struct LevelInfo_EM native_em_level;
+extern int screen_x;
+extern int screen_y;
 
-unsigned short **Boom;
-unsigned short **Cave;
-unsigned short **Next;
-unsigned short **Draw;
+struct EngineSnapshotInfo_EM engine_snapshot_em;
 
-static unsigned short *Index[4][HEIGHT];
-static unsigned short Array[4][HEIGHT][WIDTH];
-
-extern unsigned int screen_x;
-extern unsigned int screen_y;
+void game_init_random(void)
+{
+  RandomEM = 1684108901;
+}
 
-void game_init_vars(void)
+void game_init_cave_buffers(void)
 {
   int x, y;
 
-  Random = 1684108901;
-
-  for (y = 0; y < HEIGHT; y++)
-    for (x = 0; x < WIDTH; x++)
-      Array[0][y][x] = ZBORDER;
-  for (y = 0; y < HEIGHT; y++)
-    for (x = 0; x < WIDTH; x++)
-      Array[1][y][x] = ZBORDER;
-  for (y = 0; y < HEIGHT; y++)
-    for (x = 0; x < WIDTH; x++)
-      Array[2][y][x] = ZBORDER;
-  for (y = 0; y < HEIGHT; y++)
-    for (x = 0; x < WIDTH; x++)
-      Array[3][y][x] = Xblank;
-
-  for (y = 0; y < HEIGHT; y++)
-    Index[0][y] = Array[0][y];
-  for (y = 0; y < HEIGHT; y++)
-    Index[1][y] = Array[1][y];
-  for (y = 0; y < HEIGHT; y++)
-    Index[2][y] = Array[2][y];
-  for (y = 0; y < HEIGHT; y++)
-    Index[3][y] = Array[3][y];
-
-  Cave = Index[0];
-  Next = Index[1];
-  Draw = Index[2];
-  Boom = Index[3];
+  for (y = 0; y < CAVE_BUFFER_HEIGHT; y++)
+    for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
+      lev.cavebuf[x][y] = Zborder;
+  for (y = 0; y < CAVE_BUFFER_HEIGHT; y++)
+    for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
+      lev.nextbuf[x][y] = Zborder;
+  for (y = 0; y < CAVE_BUFFER_HEIGHT; y++)
+    for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
+      lev.drawbuf[x][y] = Zborder;
+  for (y = 0; y < CAVE_BUFFER_HEIGHT; y++)
+    for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
+      lev.boombuf[x][y] = Xblank;
+
+  for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
+    lev.cavecol[x] = lev.cavebuf[x];
+  for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
+    lev.nextcol[x] = lev.nextbuf[x];
+  for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
+    lev.drawcol[x] = lev.drawbuf[x];
+  for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
+    lev.boomcol[x] = lev.boombuf[x];
+
+  lev.cave = lev.cavecol;
+  lev.next = lev.nextcol;
+  lev.draw = lev.drawcol;
+  lev.boom = lev.boomcol;
 }
 
-void InitGameEngine_EM()
+void InitGameEngine_EM(void)
 {
   prepare_em_level();
 
   game_initscreen();
-  game_animscreen();
+
+  RedrawPlayfield_EM(FALSE);
 }
 
-void GameActions_EM(byte action)
+static void UpdateGameDoorValues_EM(void)
 {
-  static unsigned long game_frame_delay = 0;
-  unsigned long game_frame_delay_value = getGameFrameDelay_EM(25);
-
-#if 0
-  /* this is done in screens.c/HandleGameActions() by calling BackToFront() */
-  XSync(display, False);	/* block until all graphics are drawn */
-#endif
-
-  WaitUntilDelayReached(&game_frame_delay, game_frame_delay_value);
+}
 
-  game_animscreen();
+void GameActions_EM(byte action[MAX_PLAYERS], boolean warp_mode)
+{
+  int i;
+  boolean any_player_dropping = FALSE;
 
-  Random = Random * 129 + 1;
+  RandomEM = RandomEM * 129 + 1;
 
   frame = (frame - 1) & 7;
 
-  readjoy(action);
+  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)
   {
-    synchro_1();
-    synchro_2();
+    logic_players();
+    logic_objects();
   }
 
   if (frame == 6)
   {
-    synchro_3();
-    sound_play();
+    logic_globals();
 
-    DrawGameDoorValues_EM(lev.required, ply1.dynamite, lev.score,
-			  (lev.time + 4) / 5);
+    UpdateGameDoorValues_EM();
   }
-}
 
+  for (i = 0; i < MAX_PLAYERS; i++)
+    if (ply[i].joy_drop &&
+	ply[i].dynamite &&
+	ply[i].dynamite_cnt > 0 &&
+	ply[i].dynamite_cnt < 5)
+      any_player_dropping = TRUE;
+
+  CheckSingleStepMode_EM(action, frame, game_em.any_player_moving,
+			 game_em.any_player_snapping, any_player_dropping);
+
+  RedrawPlayfield_EM(FALSE);
+}
 
 /* read input device for players */
 
-void readjoy(byte action)
+void readjoy(byte action, struct PLAYER *ply)
 {
-  unsigned int north = 0, east = 0, south = 0, west = 0, fire = 0;
+  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;
@@ -127,25 +130,68 @@ void readjoy(byte action)
     south = 1;
 
   if (action & JOY_BUTTON_1)
-    fire = 1;
+    snap = 1;
 
-#if 1
-  ply1.joy_fire = fire;
-  if (ply1.joy_stick || (north | east | south | west))
-  {
-    ply1.joy_n = north;
-    ply1.joy_e = east;
-    ply1.joy_s = south;
-    ply1.joy_w = west;
-  }
-#else
-  ply2.joy_fire = fire;
-  if (ply2.joy_stick || (north | east | south | west))
+  if (action & JOY_BUTTON_2)
+    drop = 1;
+
+  /* always update drop action */
+  ply->joy_drop = drop;
+
+  if (ply->joy_stick || (north | east | south | west))	/* (no "| snap"!) */
   {
-    ply2.joy_n = north;
-    ply2.joy_e = east;
-    ply2.joy_s = south;
-    ply2.joy_w = west;
+    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;
   }
-#endif
+
+  /* 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)
+{
+  int i;
+
+  engine_snapshot_em.game_em = game_em;
+  engine_snapshot_em.lev = lev;
+
+  engine_snapshot_em.RandomEM = RandomEM;
+  engine_snapshot_em.frame = frame;
+
+  engine_snapshot_em.screen_x = screen_x;
+  engine_snapshot_em.screen_y = screen_y;
+
+  for (i = 0; i < 4; i++)
+    engine_snapshot_em.ply[i] = ply[i];
+}
+
+void LoadEngineSnapshotValues_EM(void)
+{
+  int i;
+
+  game_em = engine_snapshot_em.game_em;
+  lev = engine_snapshot_em.lev;
+
+  RandomEM = engine_snapshot_em.RandomEM;
+  frame = engine_snapshot_em.frame;
+
+  screen_x = engine_snapshot_em.screen_x;
+  screen_y = engine_snapshot_em.screen_y;
+
+  for (i = 0; i < 4; i++)
+    ply[i] = engine_snapshot_em.ply[i];
 }