src/game_sp/export.h

   1 #ifndef GAME_SP_EXPORT_H
   2 #define GAME_SP_EXPORT_H
   3
   4 // ============================================================================
   5 // functions and definitions exported from game_sp to main program
   6 // ============================================================================
   7
   8 // ----------------------------------------------------------------------------
   9 // constant definitions
  10 // ----------------------------------------------------------------------------
  11
  12 #define SP_MAX_PLAYFIELD_WIDTH          MAX_PLAYFIELD_WIDTH
  13 #define SP_MAX_PLAYFIELD_HEIGHT         MAX_PLAYFIELD_HEIGHT
  14
  15 #define SP_NUM_LEVELS_PER_PACKAGE       111
  16
  17 #define SP_STD_PLAYFIELD_WIDTH          60
  18 #define SP_STD_PLAYFIELD_HEIGHT         24
  19 #define SP_LEVEL_NAME_LEN               23
  20 #define SP_MAX_SPECIAL_PORTS            10
  21
  22 #define SP_HEADER_SIZE                  96
  23 #define SP_STD_PLAYFIELD_SIZE           (SP_STD_PLAYFIELD_WIDTH *       \
  24                                          SP_STD_PLAYFIELD_HEIGHT)
  25 #define SP_MAX_PLAYFIELD_SIZE           (SP_MAX_PLAYFIELD_WIDTH *       \
  26                                          SP_MAX_PLAYFIELD_HEIGHT)
  27 #define SP_STD_LEVEL_SIZE               (SP_HEADER_SIZE + SP_STD_PLAYFIELD_SIZE)
  28
  29 #define SP_FRAMES_PER_SECOND            35
  30
  31 // use a much higher value to be able to load ultra-long MPX demo files
  32 // (like for level collection 78, level 88 ("WAITING FOR GODOT AGAIN"))
  33 // #define SP_MAX_TAPE_LEN                      500000
  34 #define SP_MAX_TAPE_LEN                 64010   // (see "spfix63.doc")
  35
  36
  37 // sound actions
  38
  39 #define actActive                       0
  40 #define actImpact                       1
  41 #define actExploding                    2
  42 #define actDigging                      3
  43 #define actSnapping                     4
  44 #define actCollecting                   5
  45 #define actPassing                      6
  46 #define actPushing                      7
  47 #define actDropping                     8
  48
  49
  50 // ----------------------------------------------------------------------------
  51 // data structure definitions
  52 // ----------------------------------------------------------------------------
  53
  54 #ifndef HAS_SpecialPortType
  55 typedef struct
  56 {
  57   short PortLocation; // = 2*(x+(y*60))         // big endian format
  58   byte Gravity; // 1 = turn on, anything else (0) = turn off
  59   byte FreezeZonks; // 2 = turn on, anything else (0) = turn off  (1=off!)
  60   byte FreezeEnemies; // 1 = turn on, anything else (0) = turn off
  61   byte UnUsed;
  62 } SpecialPortType;
  63 #define HAS_SpecialPortType
  64 #endif
  65
  66 #ifndef HAS_LevelInfoType
  67 typedef struct
  68 {
  69   byte UnUsed[4];
  70   byte InitialGravity; // 1=on, anything else (0) = off
  71   byte Version; // SpeedFixVersion XOR &H20
  72   char LevelTitle[23];
  73   byte InitialFreezeZonks; // 2=on, anything else (0) = off.  (1=off too!)
  74   byte InfotronsNeeded;
  75
  76   // Number of Infotrons needed. 0 means that Supaplex will count the total
  77   // amount of Infotrons in the level, and use the low byte of that number.
  78   // (A multiple of 256 Infotrons will then result in 0-to-eat, etc.!)
  79   byte SpecialPortCount; // Maximum 10 allowed!
  80   SpecialPortType SpecialPort[10];
  81   byte SpeedByte; // = Speed XOR Highbyte(RandomSeed)
  82   byte CheckSumByte; // = CheckSum XOR SpeedByte
  83   short DemoRandomSeed;                         // little endian format
  84 } LevelInfoType;
  85 #define HAS_LevelInfoType
  86 #endif
  87
  88 struct GameInfo_SP
  89 {
  90   boolean level_solved;
  91   boolean game_over;
  92
  93   // needed for updating panel
  94   int time_played;
  95   int infotrons_still_needed;
  96   int red_disk_count;
  97   int score;
  98
  99   // needed for engine snapshots
 100   char **preceding_buffer;
 101   int preceding_buffer_size;
 102
 103   int scroll_xoffset, scroll_yoffset;
 104 };
 105
 106 struct DemoInfo_SP
 107 {
 108   boolean is_available;         // structure contains valid demo
 109
 110   int level_nr;                 // number of corresponding level
 111
 112   int length;                   // number of demo entries
 113   byte data[SP_MAX_TAPE_LEN];   // array of demo entries
 114 };
 115
 116 struct LevelInfo_SP
 117 {
 118   LevelInfoType header;
 119   byte header_raw_bytes[SP_HEADER_SIZE];
 120
 121   int width, height;
 122
 123   byte playfield[SP_MAX_PLAYFIELD_WIDTH][SP_MAX_PLAYFIELD_HEIGHT];
 124
 125   struct DemoInfo_SP demo;
 126 };
 127
 128 struct GraphicInfo_SP
 129 {
 130   Bitmap *bitmap;
 131   int src_x, src_y;
 132   int src_offset_x, src_offset_y;
 133   int dst_offset_x, dst_offset_y;
 134   int width, height;
 135
 136   Bitmap *crumbled_bitmap;
 137   int crumbled_src_x, crumbled_src_y;
 138   int crumbled_border_size;
 139
 140   boolean has_crumbled_graphics;
 141   boolean preserve_background;
 142
 143   int unique_identifier;        // used to identify needed screen updates
 144 };
 145
 146 struct EngineSnapshotInfo_SP
 147 {
 148   struct GameInfo_SP game_sp;
 149
 150   int PlayField16[SP_MAX_PLAYFIELD_SIZE + SP_HEADER_SIZE];
 151   byte PlayField8[SP_MAX_PLAYFIELD_SIZE + SP_HEADER_SIZE];
 152   byte DisPlayField[SP_MAX_PLAYFIELD_SIZE + SP_HEADER_SIZE];
 153
 154   int AnimationPosTable[SP_MAX_PLAYFIELD_SIZE];
 155   byte AnimationSubTable[SP_MAX_PLAYFIELD_SIZE];
 156   byte TerminalState[SP_MAX_PLAYFIELD_SIZE + SP_HEADER_SIZE];
 157 };
 158
 159
 160 // ----------------------------------------------------------------------------
 161 // exported functions
 162 // ----------------------------------------------------------------------------
 163
 164 extern struct GameInfo_SP game_sp;
 165 extern struct LevelInfo_SP native_sp_level;
 166 extern struct EngineSnapshotInfo_SP engine_snapshot_sp;
 167
 168 void sp_open_all(void);
 169 void sp_close_all(void);
 170
 171 void InitPrecedingPlayfieldMemory(void);
 172 void InitGfxBuffers_SP(void);
 173
 174 void InitGameEngine_SP(void);
 175 void GameActions_SP(byte *, boolean);
 176
 177 unsigned int InitEngineRandom_SP(int);
 178
 179 void setLevelInfoToDefaults_SP(void);
 180 void copyInternalEngineVars_SP(void);
 181 boolean LoadNativeLevel_SP(char *, int, boolean);
 182 void SaveNativeLevel_SP(char *);
 183
 184 int getFieldbufferOffsetX_SP(void);
 185 int getFieldbufferOffsetY_SP(void);
 186
 187 void BlitScreenToBitmap_SP(Bitmap *);
 188 void RedrawPlayfield_SP(boolean);
 189
 190 void LoadEngineSnapshotValues_SP(void);
 191 void SaveEngineSnapshotValues_SP(ListNode **);
 192
 193 int map_key_RND_to_SP(int);
 194 int map_key_SP_to_RND(int);
 195
 196 int getRedDiskReleaseFlag_SP(void);
 197
 198 #endif  // GAME_SP_EXPORT_H