// ============================================================================
-// Mirror Magic -- McDuffin's Revenge
+// Rocks'n'Diamonds - McDuffin Strikes Back!
// ----------------------------------------------------------------------------
-// (c) 1995-2023 by Artsoft Entertainment
-// Holger Schemel
-// info@artsoft.org
-// https://www.artsoft.org/
+// (c) 1995-2024 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// https://www.artsoft.org/
// ----------------------------------------------------------------------------
// main_bd.c
// ============================================================================
struct EngineSnapshotInfo_BD engine_snapshot_bd;
+// ============================================================================
+// initialization functions
+// ============================================================================
+
+void InitGfxBuffers_BD(void)
+{
+ ReCreateBitmap(&gd_screen_bitmap, SXSIZE, SYSIZE);
+
+ set_cell_size(TILESIZE_VAR);
+ set_play_area(SXSIZE, SYSIZE);
+}
+
+void bd_open_all(void)
+{
+ InitGraphicInfo_BD();
+
+ gd_cave_init();
+ gd_cave_db_init();
+
+ gd_c64_import_init_tables();
+
+ gd_caveset_clear();
+
+ gd_init_keystate();
+
+ gd_sound_init();
+}
+
+void bd_close_all(void)
+{
+}
+
+
// ============================================================================
// level file functions
// ============================================================================
+void setLevelInfoToDefaults_BD_Ext(int width, int height)
+{
+ GdCave *cave = native_bd_level.cave;
+
+ if (cave != NULL)
+ gd_cave_free(cave);
+
+ // get empty cave, using default values
+ cave = gd_cave_new();
+
+ // set cave size, if defined
+ if (width > 0 && height > 0)
+ {
+ cave->w = width;
+ cave->h = height;
+ }
+
+ gd_flatten_cave(cave, 0);
+
+ cave->selectable = TRUE;
+ cave->intermission = FALSE;
+
+ native_bd_level.cave = cave;
+ native_bd_level.replay = NULL;
+
+ native_bd_level.cave_nr = 0;
+ native_bd_level.level_nr = 0;
+
+ native_bd_level.loaded_from_caveset = FALSE;
+}
+
+void setLevelInfoToDefaults_BD(void)
+{
+ setLevelInfoToDefaults_BD_Ext(0, 0);
+}
+
+boolean LoadNativeLevel_BD(char *filename, int level_pos, boolean level_info_only)
+{
+ static char *filename_loaded = NULL;
+
+ if (filename_loaded == NULL || !strEqual(filename, filename_loaded))
+ {
+ if (!gd_caveset_load_from_file(filename))
+ {
+ if (!level_info_only)
+ Warn("cannot load BD cave set from file '%s'", filename);
+
+ return FALSE;
+ }
+
+ setString(&filename_loaded, filename);
+ }
+
+ if (level_pos < 0 || level_pos >= 5 * gd_caveset_count())
+ {
+ Warn("invalid level position %d in BD cave set", level_pos);
+
+ return FALSE;
+ }
+
+ native_bd_level.cave_nr = level_pos % gd_caveset_count();
+ native_bd_level.level_nr = level_pos / gd_caveset_count();
+
+ if (native_bd_level.cave != NULL)
+ gd_cave_free(native_bd_level.cave);
+
+ // get selected cave, prepared for playing
+ native_bd_level.cave = gd_get_prepared_cave_from_caveset(native_bd_level.cave_nr,
+ native_bd_level.level_nr);
+
+ // set better initial cave speed (to set better native replay tape length)
+ set_initial_cave_speed(native_bd_level.cave);
+
+ native_bd_level.loaded_from_caveset = TRUE;
+
+ // check if this cave has any replays
+ if (native_bd_level.cave->replays != NULL)
+ {
+ GList *item = native_bd_level.cave->replays;
+
+ // try to find replay that was recorded for this difficulty level
+ while (item != NULL &&
+ (item->data == NULL ||
+ ((GdReplay *)item->data)->success == FALSE ||
+ ((GdReplay *)item->data)->level != native_bd_level.level_nr))
+ item = item->next;
+
+ // matching replay found
+ if (item != NULL)
+ native_bd_level.replay = (GdReplay *)item->data;
+ }
+
+ return TRUE;
+}
+
+
+// ============================================================================
+// game engine functions
+// ============================================================================
+
+int map_action_RND_to_BD(int action)
+{
+ GdDirection player_move = gd_direction_from_keypress(action & JOY_UP,
+ action & JOY_DOWN,
+ action & JOY_LEFT,
+ action & JOY_RIGHT);
+ boolean player_fire = (action & (JOY_BUTTON_1 | JOY_BUTTON_2));
+
+ return (player_move | (player_fire ? GD_REPLAY_FIRE_MASK : 0));
+}
+
int map_action_BD_to_RND(int action)
{
GdDirection player_move = action & GD_REPLAY_MOVE_MASK;
return (action_move | action_fire);
}
-void setLevelInfoToDefaults_BD_Ext(int width, int height)
+boolean checkGameRunning_BD(void)
{
- // ...
+ return (game_bd.game != NULL && game_bd.game->state_counter == GAME_INT_CAVE_RUNNING);
}
-void setLevelInfoToDefaults_BD(void)
+boolean checkGamePlaying_BD(void)
{
- setLevelInfoToDefaults_BD_Ext(0, 0);
+ return (game_bd.game != NULL && game_bd.game->state_counter == GAME_INT_CAVE_RUNNING &&
+ game_bd.game->cave != NULL && game_bd.game->cave->hatched);
+}
+
+boolean checkBonusTime_BD(void)
+{
+ return (game_bd.game != NULL && game_bd.game->state_counter == GAME_INT_CHECK_BONUS_TIME);
+}
+
+int getFramesPerSecond_BD(void)
+{
+ if (game_bd.game != NULL && game_bd.game->cave != NULL && game_bd.game->cave->pal_timing)
+ return FRAMES_PER_SECOND_NTSC;
+
+ return FRAMES_PER_SECOND_PAL;
+}
+
+int getTimeLeft_BD(void)
+{
+ if (game_bd.game != NULL && game_bd.game->cave != NULL)
+ return gd_cave_time_show(game_bd.game->cave, game_bd.game->cave->time);
+
+ return 0;
+}
+
+static void UpdateGameDoorValues_BD(void)
+{
+ GdCave *cave = game_bd.game->cave;
+ int time_secs = gd_cave_time_show(cave, cave->time);
+ int gems_still_needed = MAX(0, (cave->diamonds_needed - cave->diamonds_collected));
+
+ game_bd.time_played = time_secs;
+ game_bd.gems_still_needed = gems_still_needed;
+ game_bd.score = game_bd.game->player_score;
+
+ if (game.LevelSolved)
+ {
+ // update time and score in panel while counting bonus time
+ game.LevelSolved_CountingTime = game_bd.time_played;
+ game.LevelSolved_CountingScore = game_bd.score;
+ }
+}
+
+unsigned int InitEngineRandom_BD(int seed)
+{
+ if (seed == NEW_RANDOMIZE)
+ {
+ // get randomly selected seed to render the cave
+ seed = g_random_int_range(0, GD_CAVE_SEED_MAX);
+ }
+
+ game_bd.random_seed = seed;
+
+ return (unsigned int)seed;
+}
+
+void InitGameEngine_BD(void)
+{
+ game_bd.level_solved = FALSE;
+ game_bd.game_over = FALSE;
+ game_bd.cover_screen = FALSE;
+
+ game_bd.time_played = 0;
+ game_bd.gems_still_needed = 0;
+ game_bd.score = 0;
+
+ gd_caveset_last_selected = native_bd_level.cave_nr;
+ gd_caveset_last_selected_level = native_bd_level.level_nr;
+
+ if (game_bd.game != NULL)
+ gd_game_free(game_bd.game);
+
+ game_bd.game = gd_game_new(native_bd_level.cave_nr, native_bd_level.level_nr);
+
+ // default: start with completely covered playfield
+ int next_state = GAME_INT_START_UNCOVER + 1;
+
+ // when skipping uncovering, start with uncovered playfield
+ if (setup.bd_skip_uncovering)
+ next_state = GAME_INT_LOAD_CAVE + 1;
+
+ // fast-forward game engine until cave loaded (covered or uncovered)
+ while (game_bd.game->state_counter < next_state)
+ play_game_func(game_bd.game, 0);
+
+ // when skipping uncovering, continue with uncovered playfield
+ if (setup.bd_skip_uncovering)
+ game_bd.game->state_counter = GAME_INT_UNCOVER_ALL + 1;
+
+ if (setup.bd_skip_uncovering)
+ gd_scroll(game_bd.game, TRUE, TRUE);
+
+ RedrawPlayfield_BD(TRUE);
+
+ UpdateGameDoorValues_BD();
+}
+
+void GameActions_BD(byte action[MAX_PLAYERS])
+{
+ GdCave *cave = game_bd.game->cave;
+ boolean player_found = FALSE;
+ int player_x = 0;
+ int player_y = 0;
+ int x, y;
+
+ if (cave->getp)
+ {
+ for (y = 0; y < cave->h && !player_found; y++)
+ {
+ for (x = 0; x < cave->w && !player_found; x++)
+ {
+ int element = *cave->getp(cave, x, y);
+
+ if (element == O_PLAYER ||
+ element == O_PLAYER_BOMB ||
+ element == O_PLAYER_STIRRING ||
+ element == O_PLAYER_PNEUMATIC_LEFT ||
+ element == O_PLAYER_PNEUMATIC_RIGHT)
+ {
+ player_x = x;
+ player_y = y;
+
+ player_found = TRUE;
+ }
+ }
+ }
+ }
+
+ UpdateEngineValues(get_scroll_x(),
+ get_scroll_y(),
+ player_x,
+ player_y);
+
+ if (setup.bd_skip_hatching && !game_bd.game->cave->hatched &&
+ game_bd.game->state_counter == GAME_INT_CAVE_RUNNING)
+ {
+ // fast-forward game engine until player hatched
+ while (!game_bd.game->cave->hatched)
+ {
+ play_game_func(game_bd.game, 0);
+
+ // also record or replay tape action during fast-forward
+ action = TapeCorrectAction_BD(action);
+ }
+ }
+
+ play_game_func(game_bd.game, action[0]);
+
+ RedrawPlayfield_BD(FALSE);
+
+ UpdateGameDoorValues_BD();
+}
+
+
+// ============================================================================
+// graphics functions
+// ============================================================================
+
+void CoverScreen_BD(void)
+{
+ game_bd.cover_screen = FALSE;
+
+ if (setup.bd_skip_uncovering)
+ return;
+
+ game_bd.game->state_counter = GAME_INT_COVER_START;
+
+ // play game engine (with normal speed) until cave covered
+ while (game_bd.game->state_counter < GAME_INT_COVER_ALL + 1)
+ {
+ play_game_func(game_bd.game, 0);
+
+ RedrawPlayfield_BD(TRUE);
+
+ BlitScreenToBitmap_BD(backbuffer);
+
+ BackToFront();
+ }
+
+ // stop uncovering loop sound when not using native sound engine
+ FadeSounds();
+}
+
+void BlitScreenToBitmap_BD(Bitmap *target_bitmap)
+{
+ int xsize = SXSIZE;
+ int ysize = SYSIZE;
+ int full_xsize = native_bd_level.cave->w * TILESIZE_VAR;
+ int full_ysize = native_bd_level.cave->h * TILESIZE_VAR;
+ int sx = SX + (full_xsize < xsize ? (xsize - full_xsize) / 2 : 0);
+ int sy = SY + (full_ysize < ysize ? (ysize - full_ysize) / 2 : 0);
+ int sxsize = (full_xsize < xsize ? full_xsize : xsize);
+ int sysize = (full_ysize < ysize ? full_ysize : ysize);
+
+ BlitBitmap(gd_screen_bitmap, target_bitmap, 0, 0, sxsize, sysize, sx, sy);
+}
+
+void RedrawPlayfield_BD(boolean force_redraw)
+{
+ gd_drawcave(gd_screen_bitmap, game_bd.game, force_redraw);
}
projects / rocksndiamonds.git / blobdiff