added functions for masked drawing of sized elements
[rocksndiamonds.git] / src / tools.c
index 209c4e23681915bd412b2d1f3a209538a2a4e25c..bfaad2acdd577f844c51428332857eed3b0a9b30 100644 (file)
@@ -358,12 +358,44 @@ static int getLevelFromScreenY_SP(int sy)
   return ly;
 }
 
+static int getLevelFromScreenX_MM(int sx)
+{
+#if 0
+  int level_xsize = level.native_mm_level->fieldx;
+  int full_xsize = level_xsize * TILESIZE_VAR;
+
+  sx -= (full_xsize < SXSIZE ? (SXSIZE - full_xsize) / 2 : 0);
+#endif
+
+  int px = sx - SX;
+  int lx = px / TILESIZE_VAR;
+
+  return lx;
+}
+
+static int getLevelFromScreenY_MM(int sy)
+{
+#if 0
+  int level_ysize = level.native_mm_level->fieldy;
+  int full_ysize = level_ysize * TILESIZE_VAR;
+
+  sy -= (full_ysize < SYSIZE ? (SYSIZE - full_ysize) / 2 : 0);
+#endif
+
+  int py = sy - SY;
+  int ly = py / TILESIZE_VAR;
+
+  return ly;
+}
+
 int getLevelFromScreenX(int x)
 {
   if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
     return getLevelFromScreenX_EM(x);
   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
     return getLevelFromScreenX_SP(x);
+  if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
+    return getLevelFromScreenX_MM(x);
   else
     return getLevelFromScreenX_RND(x);
 }
@@ -374,6 +406,8 @@ int getLevelFromScreenY(int y)
     return getLevelFromScreenY_EM(y);
   if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
     return getLevelFromScreenY_SP(y);
+  if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
+    return getLevelFromScreenY_MM(y);
   else
     return getLevelFromScreenY_RND(y);
 }
@@ -382,6 +416,7 @@ void DumpTile(int x, int y)
 {
   int sx = SCREENX(x);
   int sy = SCREENY(y);
+  char *token_name;
 
   printf_line("-", 79);
   printf("Field Info: SCREEN(%d, %d), LEVEL(%d, %d)\n", sx, sy, x, y);
@@ -395,8 +430,9 @@ void DumpTile(int x, int y)
     return;
   }
 
-  printf("  Feld:        %d\t['%s']\n", Feld[x][y],
-        element_info[Feld[x][y]].token_name);
+  token_name = element_info[Feld[x][y]].token_name;
+
+  printf("  Feld:        %d\t['%s']\n", Feld[x][y], token_name);
   printf("  Back:        %s\n", print_if_not_empty(Back[x][y]));
   printf("  Store:       %s\n", print_if_not_empty(Store[x][y]));
   printf("  Store2:      %s\n", print_if_not_empty(Store2[x][y]));
@@ -465,6 +501,8 @@ void RedrawPlayfield()
     RedrawPlayfield_EM(TRUE);
   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
     RedrawPlayfield_SP(TRUE);
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
+    RedrawPlayfield_MM();
   else if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
     RedrawPlayfield_RND();
 
@@ -611,6 +649,8 @@ void BlitScreenToBitmap(Bitmap *target_bitmap)
     BlitScreenToBitmap_EM(target_bitmap);
   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
     BlitScreenToBitmap_SP(target_bitmap);
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
+    BlitScreenToBitmap_MM(target_bitmap);
   else if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
     BlitScreenToBitmap_RND(target_bitmap);
 
@@ -1320,6 +1360,10 @@ void SetBorderElement()
 
   BorderElement = EL_EMPTY;
 
+  /* the MM game engine does not use a visible border element */
+  if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
+    return;
+
   for (y = 0; y < lev_fieldy && BorderElement == EL_EMPTY; y++)
   {
     for (x = 0; x < lev_fieldx; x++)
@@ -1444,13 +1488,6 @@ void getSizedGraphicSourceExt(int graphic, int frame, int tilesize,
   *y = *y * tilesize / g->tile_size;
 }
 
-void getFixedGraphicSourceExt(int graphic, int frame, Bitmap **bitmap,
-                             int *x, int *y, boolean get_backside)
-{
-  getSizedGraphicSourceExt(graphic, frame, TILESIZE, bitmap, x, y,
-                          get_backside);
-}
-
 void getSizedGraphicSource(int graphic, int frame, int tilesize,
                           Bitmap **bitmap, int *x, int *y)
 {
@@ -1598,6 +1635,14 @@ void DrawSizedGraphic(int x, int y, int graphic, int frame, int tilesize)
   MarkTileDirty(x / tilesize, y / tilesize);
 }
 
+void DrawSizedGraphicThruMask(int x, int y, int graphic, int frame,
+                             int tilesize)
+{
+  DrawSizedGraphicThruMaskExt(drawto, SX + x * tilesize, SY + y * tilesize,
+                             graphic, frame, tilesize);
+  MarkTileDirty(x / tilesize, y / tilesize);
+}
+
 void DrawSizedGraphicExt(DrawBuffer *d, int x, int y, int graphic, int frame,
                         int tilesize)
 {
@@ -1608,6 +1653,16 @@ void DrawSizedGraphicExt(DrawBuffer *d, int x, int y, int graphic, int frame,
   BlitBitmap(src_bitmap, d, src_x, src_y, tilesize, tilesize, x, y);
 }
 
+void DrawSizedGraphicThruMaskExt(DrawBuffer *d, int x, int y, int graphic,
+                                int frame, int tilesize)
+{
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+
+  getSizedGraphicSource(graphic, frame, tilesize, &src_bitmap, &src_x, &src_y);
+  BlitBitmapMasked(src_bitmap, d, src_x, src_y, tilesize, tilesize, x, y);
+}
+
 void DrawMiniGraphic(int x, int y, int graphic)
 {
   DrawMiniGraphicExt(drawto, SX + x * MINI_TILEX,SY + y * MINI_TILEY, graphic);
@@ -2419,12 +2474,77 @@ void DrawLevelField(int x, int y)
   }
 }
 
+static void DrawSizedWallExt_MM(int dst_x, int dst_y, int element, int tilesize,
+                               int (*el2img_function)(int), boolean masked)
+{
+  int element_base = map_mm_wall_element(element);
+  int element_bits = (IS_DF_WALL(element) ?
+                     element - EL_DF_WALL_START :
+                     element - EL_MM_WALL_START) & 0x000f;
+  int graphic = el2img_function(element_base);
+  int tilesize_draw = tilesize / 2;
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+  int i;
+
+  getSizedGraphicSource(graphic, 0, tilesize_draw, &src_bitmap, &src_x, &src_y);
+
+  for (i = 0; i < 4; i++)
+  {
+    int dst_draw_x = dst_x + (i % 2) * tilesize_draw;
+    int dst_draw_y = dst_y + (i / 2) * tilesize_draw;
+
+    if (element_bits & (1 << i))
+    {
+      if (masked)
+       BlitBitmapMasked(src_bitmap, drawto, src_x, src_y,
+                        tilesize_draw, tilesize_draw, dst_draw_x, dst_draw_y);
+      else
+       BlitBitmap(src_bitmap, drawto, src_x, src_y,
+                  tilesize_draw, tilesize_draw, dst_draw_x, dst_draw_y);
+    }
+    else
+    {
+      if (!masked)
+       ClearRectangle(drawto, dst_draw_x, dst_draw_y,
+                      tilesize_draw, tilesize_draw);
+    }
+  }
+}
+
+void DrawSizedWall_MM(int dst_x, int dst_y, int element, int tilesize,
+                     int (*el2img_function)(int))
+{
+  DrawSizedWallExt_MM(dst_x, dst_y, element, tilesize, el2img_function, FALSE);
+}
+
+void DrawSizedElementExt(int x, int y, int element, int tilesize,
+                        boolean masked)
+{
+  if (IS_MM_WALL(element))
+  {
+    DrawSizedWallExt_MM(SX + x * tilesize, SY + y * tilesize,
+                       element, tilesize, el2edimg, masked);
+  }
+  else
+  {
+    int graphic = el2edimg(element);
+
+    if (masked)
+      DrawSizedGraphicThruMask(x, y, graphic, 0, tilesize);
+    else
+      DrawSizedGraphic(x, y, graphic, 0, tilesize);
+  }
+}
+
 void DrawSizedElement(int x, int y, int element, int tilesize)
 {
-  int graphic;
+  DrawSizedElementExt(x, y, element, tilesize, FALSE);
+}
 
-  graphic = el2edimg(element);
-  DrawSizedGraphic(x, y, graphic, 0, tilesize);
+void DrawSizedElementThruMask(int x, int y, int element, int tilesize)
+{
+  DrawSizedElementExt(x, y, element, tilesize, TRUE);
 }
 
 void DrawMiniElement(int x, int y, int element)
@@ -2518,7 +2638,7 @@ void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
   boolean no_delay = (tape.warp_forward);
   unsigned int anim_delay = 0;
   int frame_delay_value = (ffwd_delay ? FfwdFrameDelay : GameFrameDelay);
-  int anim_delay_value = (no_delay ? 0 : frame_delay_value) / 2;
+  int anim_delay_value = MAX(1, (no_delay ? 0 : frame_delay_value) / 2);
   int font_nr = FONT_ENVELOPE_1 + envelope_nr;
   int font_width = getFontWidth(font_nr);
   int font_height = getFontHeight(font_nr);
@@ -2775,7 +2895,7 @@ void AnimateEnvelopeRequest(int anim_mode, int action)
   boolean ffwd_delay = (tape.playing && tape.fast_forward);
   boolean no_delay = (tape.warp_forward);
   int delay_value = (ffwd_delay ? delay_value_fast : delay_value_normal);
-  int anim_delay_value = (no_delay ? 0 : delay_value + 500 * 0) / 2;
+  int anim_delay_value = MAX(1, (no_delay ? 0 : delay_value + 500 * 0) / 2);
   unsigned int anim_delay = 0;
 
   int tile_size = MAX(request.step_offset, 1);
@@ -2934,12 +3054,20 @@ void ShowEnvelopeRequest(char *text, unsigned int req_state, int action)
 
 void DrawPreviewElement(int dst_x, int dst_y, int element, int tilesize)
 {
-  Bitmap *src_bitmap;
-  int src_x, src_y;
-  int graphic = el2preimg(element);
+  if (IS_MM_WALL(element))
+  {
+    DrawSizedWall_MM(dst_x, dst_y, element, tilesize, el2preimg);
+  }
+  else
+  {
+    Bitmap *src_bitmap;
+    int src_x, src_y;
+    int graphic = el2preimg(element);
 
-  getSizedGraphicSource(graphic, 0, tilesize, &src_bitmap, &src_x, &src_y);
-  BlitBitmap(src_bitmap, drawto, src_x, src_y, tilesize, tilesize, dst_x,dst_y);
+    getSizedGraphicSource(graphic, 0, tilesize, &src_bitmap, &src_x, &src_y);
+    BlitBitmap(src_bitmap, drawto, src_x, src_y, tilesize, tilesize,
+              dst_x, dst_y);
+  }
 }
 
 void DrawLevel(int draw_background_mask)
@@ -3777,12 +3905,10 @@ void WaitForEventToContinue()
 
   while (still_wait)
   {
-    if (PendingEvent())
-    {
-      Event event;
-
-      NextEvent(&event);
+    Event event;
 
+    if (NextValidEvent(&event))
+    {
       switch (event.type)
       {
        case EVENT_BUTTONPRESS:
@@ -7203,6 +7329,104 @@ int map_action_SP_to_RND(int action_sp)
   }
 }
 
+int map_element_RND_to_MM(int element_rnd)
+{
+  return (element_rnd >= EL_MM_START_1 &&
+         element_rnd <= EL_MM_END_1 ?
+         EL_MM_START_1_NATIVE + element_rnd - EL_MM_START_1 :
+
+         element_rnd >= EL_MM_START_2 &&
+         element_rnd <= EL_MM_END_2 ?
+         EL_MM_START_2_NATIVE + element_rnd - EL_MM_START_2 :
+
+         element_rnd >= EL_CHAR_START &&
+         element_rnd <= EL_CHAR_END ?
+         EL_MM_CHAR_START_NATIVE + element_rnd - EL_CHAR_START :
+
+         element_rnd >= EL_MM_RUNTIME_START &&
+         element_rnd <= EL_MM_RUNTIME_END ?
+         EL_MM_RUNTIME_START_NATIVE + element_rnd - EL_MM_RUNTIME_START :
+
+         element_rnd >= EL_MM_DUMMY_START &&
+         element_rnd <= EL_MM_DUMMY_END ?
+         EL_MM_DUMMY_START_NATIVE + element_rnd - EL_MM_DUMMY_START :
+
+         EL_MM_EMPTY_NATIVE);
+}
+
+int map_element_MM_to_RND(int element_mm)
+{
+  return (element_mm == EL_MM_EMPTY_NATIVE ||
+         element_mm == EL_DF_EMPTY_NATIVE ?
+         EL_EMPTY :
+
+         element_mm >= EL_MM_START_1_NATIVE &&
+         element_mm <= EL_MM_END_1_NATIVE ?
+         EL_MM_START_1 + element_mm - EL_MM_START_1_NATIVE :
+
+         element_mm >= EL_MM_START_2_NATIVE &&
+         element_mm <= EL_MM_END_2_NATIVE ?
+         EL_MM_START_2 + element_mm - EL_MM_START_2_NATIVE :
+
+         element_mm >= EL_MM_CHAR_START_NATIVE &&
+         element_mm <= EL_MM_CHAR_END_NATIVE ?
+         EL_CHAR_START + element_mm - EL_MM_CHAR_START_NATIVE :
+
+         element_mm >= EL_MM_RUNTIME_START_NATIVE &&
+         element_mm <= EL_MM_RUNTIME_END_NATIVE ?
+         EL_MM_RUNTIME_START + element_mm - EL_MM_RUNTIME_START_NATIVE :
+
+         element_mm >= EL_MM_DUMMY_START_NATIVE &&
+         element_mm <= EL_MM_DUMMY_END_NATIVE ?
+         EL_MM_DUMMY_START + element_mm - EL_MM_DUMMY_START_NATIVE :
+
+         EL_EMPTY);
+}
+
+int map_mm_wall_element(int element)
+{
+  return (element >= EL_MM_STEEL_WALL_START &&
+         element <= EL_MM_STEEL_WALL_END ?
+         EL_MM_STEEL_WALL :
+
+         element >= EL_MM_WOODEN_WALL_START &&
+         element <= EL_MM_WOODEN_WALL_END ?
+         EL_MM_WOODEN_WALL :
+
+         element >= EL_MM_ICE_WALL_START &&
+         element <= EL_MM_ICE_WALL_END ?
+         EL_MM_ICE_WALL :
+
+         element >= EL_MM_AMOEBA_WALL_START &&
+         element <= EL_MM_AMOEBA_WALL_END ?
+         EL_MM_AMOEBA_WALL :
+
+         element >= EL_DF_STEEL_WALL_START &&
+         element <= EL_DF_STEEL_WALL_END ?
+         EL_DF_STEEL_WALL :
+
+         element >= EL_DF_WOODEN_WALL_START &&
+         element <= EL_DF_WOODEN_WALL_END ?
+         EL_DF_WOODEN_WALL :
+
+         element);
+}
+
+int map_mm_wall_element_editor(int element)
+{
+  switch (element)
+  {
+    case EL_MM_STEEL_WALL:     return EL_MM_STEEL_WALL_START;
+    case EL_MM_WOODEN_WALL:    return EL_MM_WOODEN_WALL_START;
+    case EL_MM_ICE_WALL:       return EL_MM_ICE_WALL_START;
+    case EL_MM_AMOEBA_WALL:    return EL_MM_AMOEBA_WALL_START;
+    case EL_DF_STEEL_WALL:     return EL_DF_STEEL_WALL_START;
+    case EL_DF_WOODEN_WALL:    return EL_DF_WOODEN_WALL_START;
+
+    default:                   return element;
+  }
+}
+
 int get_next_element(int element)
 {
   switch (element)
@@ -7223,6 +7447,11 @@ int get_next_element(int element)
   }
 }
 
+int el2img_mm(int element_mm)
+{
+  return el2img(map_element_MM_to_RND(element_mm));
+}
+
 int el_act_dir2img(int element, int action, int direction)
 {
   element = GFX_ELEMENT(element);
@@ -7447,6 +7676,8 @@ unsigned int InitRND(int seed)
     return InitEngineRandom_EM(seed);
   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
     return InitEngineRandom_SP(seed);
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
+    return InitEngineRandom_MM(seed);
   else
     return InitEngineRandom_RND(seed);
 }
@@ -8500,7 +8731,7 @@ void PlayMenuMusicExt(int music)
 void PlayMenuMusic()
 {
   char *curr_music = getCurrentlyPlayingMusicFilename();
-  char *next_music = getMusicListEntry(menu.music[game_status])->filename;
+  char *next_music = getMusicInfoEntryFilename(menu.music[game_status]);
 
   if (!strEqual(curr_music, next_music))
     PlayMenuMusicExt(menu.music[game_status]);
@@ -8520,7 +8751,7 @@ static void FadeMenuSounds()
 static void FadeMenuMusic()
 {
   char *curr_music = getCurrentlyPlayingMusicFilename();
-  char *next_music = getMusicListEntry(menu.music[game_status])->filename;
+  char *next_music = getMusicInfoEntryFilename(menu.music[game_status]);
 
   if (!strEqual(curr_music, next_music))
     FadeMusic();