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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef HDB_DRAW_MANAGER_H
#define HDB_DRAW_MANAGER_H
#include "graphics/managed_surface.h"
#include "hdb/hdb.h"
namespace HDB {
enum {
kScreenWidth = 640,
kScreenHeight = 480,
kTileWidth = 32,
kTileHeight = 32,
kMaxSkies = 10,
kNum3DStars = 300,
kFontSpace = 5,
kFontIncrement = 1,
kGameFPS = 60,
kAnimFrameDelay = kGameFPS / 30,
kAnimSlowFrames = kAnimFrameDelay * 10,
kAnimMediumFrames = kAnimFrameDelay * 6,
kAnimFastFrames = kAnimFrameDelay * 2
};
class Tile;
class Picture;
struct TileLookup {
const char *filename;
Tile *tData;
uint16 skyIndex;
uint16 animIndex;
TileLookup() : filename(NULL), tData(NULL), skyIndex(0), animIndex(0) {}
};
struct GfxCache {
char name[32];
union {
Tile *tileGfx;
Picture *picGfx;
};
uint32 size;
int16 loaded;
GfxCache() : tileGfx(NULL), size(0), loaded(0) { name[0] = 0; }
};
struct FontInfo {
int type; // 0 = mono, 1 = proportional
int numChars; // how many characters in font
int height; // height of entire font
int kerning; // space between chars
int leading; // space between lines
};
struct CharInfo {
int16 width; // Character width in pixels
int32 offset; // From the start of the font charInfo chunk
};
class Gfx {
public:
Gfx();
~Gfx();
Graphics::ManagedSurface _globalSurface;
bool init();
void fillScreen(uint32 color);
void updateVideo();
void setPointerState(int value);
void drawPointer();
void showPointer(bool status) {
_showCursor = status;
}
bool getPointer() {
return _showCursor;
}
void setFade(bool fadeIn, bool black, int steps);
void updateFade();
bool isFadeActive() { return _fadeInfo.active; }
bool isFadeStaying() { return _fadeInfo.stayFaded; }
void turnOffFade() { _fadeInfo.active = _fadeInfo.stayFaded = false; }
Picture *loadPic(const char *picName);
Tile *loadTile(const char *tileName);
Tile *getTile(int index);
void cacheTileSequence(int index, int count);
int getTileIndex(const char *name);
Picture *getPicture(const char *name);
// Returns: true->Tile, false->Pic
bool selectGfxType(const char *name);
Tile *getTileGfx(const char *name, uint32 size);
Picture *getPicGfx(const char *name, uint32 size);
int isSky(int skyIndex);
void setSky(int skyIndex);
void setup3DStars();
void setup3DStarsLeft();
void draw3DStars();
void draw3DStarsLeft();
void drawSky();
int animateTile(int tileIndex);
// Font Functions
bool loadFont(const char *string);
void drawText(const char *string);
void getDimensions(const char *string, int *pixelsWide, int *lines);
int stringLength(const char *string);
void setTextEdges(int left, int right, int top, int bottom);
void getTextEdges(int *left, int *right, int *top, int *bottom);
void setKernLead(int kern, int lead);
void getKernLead(int *kern, int *lead);
void setCursor(int x, int y);
void getCursor(int *x, int *y);
private:
int _numTiles;
TileLookup *_tLookupArray;
uint16 _skyTiles[kMaxSkies];
Common::Array<GfxCache *> *_gfxCache;
int _currentSky; // 0 if no Sky, 1+ for which Sky to use
struct {
bool active;
bool stayFaded;
bool isBlack;
int speed;
bool isFadeIn;
int curStep;
} _fadeInfo;
struct {
int x, y, speed;
uint16 color;
} _stars3D[kNum3DStars];
struct {
double x, y, speed;
uint16 color;
} _stars3DSlow[kNum3DStars];
int _tileSkyStars; // Index of sky_stars tile
int _tileSkyStarsLeft; // Left-scrolling stars, slow
int _tileSkyClouds; // Index of sky_stars tile
Picture *_starField[4];
Picture *_skyClouds;
// Cursor
int _cursorX, _cursorY;
Picture *_mousePointer[8]; // Gfx for screen pointer (4 Animations)
int _pointerDisplayable;
bool _showCursor;
// Font Data
FontInfo _fontHeader;
Common::Array<CharInfo *> _charInfoBlocks;
Graphics::Surface _fontSurfaces[256];
uint16 _fontGfx;
int _eLeft, _eRight, _eTop, _eBottom;
bool _systemInit;
};
class Picture {
public:
Picture();
~Picture();
Graphics::Surface load(Common::SeekableReadStream *stream);
void draw(int x, int y);
void drawMasked(int x, int y);
uint _width, _height;
char *getName() { return _name; }
private:
char _name[64];
Graphics::ManagedSurface _surface;
};
class Tile {
public:
Tile();
~Tile();
Graphics::Surface load(Common::SeekableReadStream *stream);
void draw(int x, int y);
void drawMasked(int x, int y);
uint32 _flags;
char *getName() { return _name; }
private:
char _name[64];
Graphics::ManagedSurface _surface;
};
} // End of Namespace HDB
#endif // !HDB_DRAW_MANAGER_H
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