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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.
*
* $URL$
* $Id$
*
*/
#ifndef PARALLACTION_GRAPHICS_H
#define PARALLACTION_GRAPHICS_H
#include "common/rect.h"
#include "common/stream.h"
#include "parallaction/defs.h"
namespace Parallaction {
#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 200
#define SCREEN_SIZE SCREEN_WIDTH*SCREEN_HEIGHT
#define SCREENMASK_WIDTH SCREEN_WIDTH/4
#define SCREENPATH_WIDTH SCREEN_WIDTH/8
#define BASE_PALETTE_COLORS 32
#define FIRST_BASE_COLOR 0
#define LAST_BASE_COLOR (FIRST_BASE_COLOR+BASE_PALETTE_COLORS-1)
#define EHB_PALETTE_COLORS 32 // extra half-brite colors for amiga
#define FIRST_EHB_COLOR (LAST_BASE_COLOR+1)
#define LAST_EHB_COLOR (FIRST_EHB_COLOR+EHB_PALETTE_COLORS-1)
#define PALETTE_COLORS (BASE_PALETTE_COLORS+EHB_PALETTE_COLORS)
#define BASE_PALETTE_SIZE BASE_PALETTE_COLORS*3
#define PALETTE_SIZE PALETTE_COLORS*3
#include "common/pack-start.h" // START STRUCT PACKING
struct PaletteFxRange {
uint16 _timer;
uint16 _step;
uint16 _flags;
byte _first;
byte _last;
} PACKED_STRUCT;
#include "common/pack-end.h" // END STRUCT PACKING
class Font {
protected:
byte _color;
public:
Font() {}
virtual ~Font() {}
virtual void setColor(byte color) {
_color = color;
}
virtual uint32 getStringWidth(const char *s) = 0;
virtual uint16 height() = 0;
virtual void drawString(byte* buffer, uint32 pitch, const char *s) = 0;
};
struct StaticCnv {
uint16 _width; //
uint16 _height; //
byte* _data0; // bitmap
byte* _data1; // unused
StaticCnv() {
_width = _height = 0;
_data0 = _data1 = NULL;
}
};
struct Cnv {
uint16 _count; // # of frames
uint16 _width; //
uint16 _height; //
byte** field_8; // unused
byte* _data;
public:
Cnv() {
_width = _height = _count = 0;
_data = NULL;
}
Cnv(uint16 numFrames, uint16 width, uint16 height, byte* data) : _count(numFrames), _width(width), _height(height), _data(data) {
}
~Cnv() {
if (_count == 0 || _data == NULL) return;
free(_data);
}
byte* getFramePtr(uint16 index) {
if (index >= _count)
return NULL;
return &_data[index * _width * _height];
}
};
#define NUM_BUFFERS 4
class Parallaction;
struct DoorData;
struct GetData;
enum Fonts {
kFontDialogue = 0,
kFontLabel = 1,
kFontMenu = 2
};
class Gfx {
public:
typedef byte Palette[PALETTE_SIZE];
enum Buffers {
// bit buffers
kBitFront,
kBitBack,
kBit2,
// mask buffers
kMask0
};
public:
// dialogue and text
void drawBalloon(const Common::Rect& r, uint16 arg_8);
void displayString(uint16 x, uint16 y, const char *text, byte color);
void displayCenteredString(uint16 y, const char *text);
bool displayWrappedString(char *text, uint16 x, uint16 y, byte color, uint16 wrapwidth = SCREEN_WIDTH);
uint16 getStringWidth(const char *text);
void getStringExtent(char *text, uint16 maxwidth, int16* width, int16* height);
// cnv management
void makeCnvFromString(StaticCnv *cnv, char *text);
void freeStaticCnv(StaticCnv *cnv);
void backupDoorBackground(DoorData *data, int16 x, int16 y);
void backupGetBackground(GetData *data, int16 x, int16 y);
void restoreZoneBackground(const Common::Rect& r, byte *data);
// location
void setBackground(byte *background);
void setMask(byte *mask);
int16 queryMask(int16 v);
void intGrottaHackMask();
void restoreBackground(const Common::Rect& r);
// intro
void fillMaskRect(const Common::Rect& r, byte color);
void plotMaskPixel(uint16 x, uint16 y, byte color);
// low level
void swapBuffers();
void updateScreen();
void clearScreen(Gfx::Buffers buffer);
void copyScreen(Gfx::Buffers srcbuffer, Gfx::Buffers dstbuffer);
void copyRect(Gfx::Buffers dstbuffer, const Common::Rect& r, byte *src, uint16 pitch);
void grabRect(byte *dst, const Common::Rect& r, Gfx::Buffers srcbuffer, uint16 pitch);
void floodFill(Gfx::Buffers buffer, const Common::Rect& r, byte color);
// NOTE: flatBlitCnv used to have an additional unused parameter,
// that was always the _data1 member of the StaticCnv parameter.
// DOS version didn't make use of it, but it is probably needed for Amiga stuff.
void flatBlitCnv(StaticCnv *cnv, int16 x, int16 y, Gfx::Buffers buffer);
void blitCnv(StaticCnv *cnv, int16 x, int16 y, uint16 z, Gfx::Buffers buffer);
void flatBlitCnv(Cnv *cnv, uint16 frame, int16 x, int16 y, Gfx::Buffers buffer);
// palette
void setPalette(Palette palette, uint32 first = FIRST_BASE_COLOR, uint32 num = BASE_PALETTE_COLORS);
void setBlackPalette();
void animatePalette();
void fadePalette(Palette palette);
void buildBWPalette(Palette palette);
void quickFadePalette(Palette palette);
// amiga specific
void setHalfbriteMode(bool enable);
// init
Gfx(Parallaction* vm);
virtual ~Gfx();
void setMousePointer(int16 index);
void initFonts();
void setFont(Fonts name);
public:
Common::Point _labelPosition[2];
uint16 _bgLayers[4];
PaletteFxRange _palettefx[6];
Palette _palette;
protected:
Parallaction* _vm;
static byte * _buffers[NUM_BUFFERS];
static byte _mouseArrow[256];
StaticCnv *_mouseComposedArrow;
Font *_font;
Font *_fonts[3];
bool _halfbrite;
protected:
byte mapChar(byte c);
void flatBlit(const Common::Rect& r, byte *data, Gfx::Buffers buffer);
void blit(const Common::Rect& r, uint16 z, byte *data, Gfx::Buffers buffer);
void initBuffers();
void initMouse(uint16 arg_0);
};
} // Parallaction
#endif
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