screeneffect.h

   1
   2 #ifndef _SCREENEFFECT_H
   3 #define _SCREENEFFECT_H
   4
   5
   6 // screeneffects are a simple draw overlay used w/ things such as flashes and such.
   7 class ScreenEffect
   8 {
   9 public:
  10         ScreenEffect() { enabled = false; }
  11         virtual ~ScreenEffect() { }
  12         virtual void Draw() = 0;
  13
  14         bool enabled;
  15
  16 protected:
  17         int state;
  18         int timer;
  19 };
  20
  21
  22 // FlashScreen simply flashes the screen white several times,
  23 // and is used in various places such as when Misery casts spells.
  24 struct SE_FlashScreen : public ScreenEffect
  25 {
  26         void Start();
  27         void Draw();
  28
  29         int flashes_left;
  30         bool flashstate;
  31 };
  32
  33
  34 // Starflash is a full-screen white explosion in the shape of a '+',
  35 // used when some bosses are defeated.
  36 struct SE_Starflash : public ScreenEffect
  37 {
  38         void Start(int x, int y);
  39         void Draw();
  40
  41         int centerx, centery;
  42         int size, speed;
  43 };
  44
  45
  46 // Fade is the fade-in/out used on every stage transistion/TRA.
  47 struct SE_Fade : public ScreenEffect
  48 {
  49         SE_Fade();
  50
  51         void Start(int fadedir, int dir, int spr=SPR_FADE_DIAMOND);
  52         void Draw(void);
  53         void set_full(int dir);
  54         int getstate(void);
  55
  56         struct
  57         {
  58                 int fadedir;
  59                 int sweepdir;
  60                 int curframe;
  61                 int sprite;
  62         } fade;
  63 };
  64
  65 #define FADE_IN                 0
  66 #define FADE_OUT                1
  67
  68 // these directions correspond to the FAI/FAO parameters.
  69 #define FADE_LEFT               0
  70 #define FADE_UP                 1
  71 #define FADE_RIGHT              2
  72 #define FADE_DOWN               3
  73 #define FADE_CENTER             4
  74
  75 #define FS_NO_FADE              0               // no fade is active
  76 #define FS_FADING               1               // currently fading in or out
  77 #define FS_FADED_OUT    2               // completely faded out
  78
  79
  80 namespace ScreenEffects
  81 {
  82         void Draw(void);
  83         void Stop();
  84 };
  85
  86
  87 extern SE_FlashScreen flashscreen;
  88 extern SE_Starflash starflash;
  89 extern SE_Fade fade;
  90
  91 #endif
  92