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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 AGI_GRAPHICS_H
#define AGI_GRAPHICS_H
#include "agi/font.h"
namespace Agi {
#define SCRIPT_WIDTH 160
#define SCRIPT_HEIGHT 168
#define VISUAL_WIDTH 160
#define VISUAL_HEIGHT 200
#define DISPLAY_DEFAULT_WIDTH 320
#define DISPLAY_DEFAULT_HEIGHT 200
enum GfxScreenUpscaledMode {
DISPLAY_UPSCALED_DISABLED = 0,
DISPLAY_UPSCALED_640x400 = 1
};
class AgiEngine;
enum GfxScreenMasks {
GFX_SCREEN_MASK_VISUAL = 1,
GFX_SCREEN_MASK_PRIORITY = 2,
GFX_SCREEN_MASK_ALL = GFX_SCREEN_MASK_VISUAL | GFX_SCREEN_MASK_PRIORITY
};
struct MouseCursorData {
const byte *bitmapData;
byte *bitmapDataAllocated;
uint16 width;
uint16 height;
int hotspotX;
int hotspotY;
};
class GfxMgr {
private:
AgiBase *_vm;
GfxFont *_font;
uint8 _paletteGfxMode[256 * 3];
uint8 _paletteTextMode[256 * 3];
uint8 _agipalPalette[16 * 3];
int _agipalFileNum;
public:
GfxMgr(AgiBase *vm, GfxFont *font);
int initVideo();
int deinitVideo();
void initPalette(uint8 *destPalette, const uint8 *paletteData, uint colorCount = 16, uint fromBits = 6, uint toBits = 8);
void initPaletteCLUT(uint8 *destPalette, const uint16 *paletteCLUTData, uint colorCount = 16);
void setAGIPal(int);
int getAGIPalFileNum();
void setPalette(bool GfxModePalette);
void initMouseCursor(MouseCursorData *mouseCursor, const byte *bitmapData, uint16 width, uint16 height, int hotspotX, int hotspotY);
void setMouseCursor(bool busy = false);
void setRenderStartOffset(uint16 offsetY);
uint16 getRenderStartDisplayOffsetY();
void translateGamePosToDisplayScreen(int16 &x, int16 &y);
void translateVisualPosToDisplayScreen(int16 &x, int16 &y);
void translateDisplayPosToGameScreen(int16 &x, int16 &y);
void translateVisualDimensionToDisplayScreen(int16 &width, int16 &height);
void translateDisplayDimensionToVisualScreen(int16 &width, int16 &height);
void translateGameRectToDisplayScreen(int16 &x, int16 &y, int16 &width, int16 &height);
void translateVisualRectToDisplayScreen(int16 &x, int16 &y, int16 &width, int16 &height);
void translateDisplayRectToVisualScreen(int16 &x, int16 &y, int16 &width, int16 &height);
uint32 getDisplayOffsetToGameScreenPos(int16 x, int16 y);
uint32 getDisplayOffsetToVisualScreenPos(int16 x, int16 y);
void copyDisplayRectToScreen(int16 x, int16 y, int16 width, int16 height);
void copyDisplayRectToScreen(int16 x, int16 adjX, int16 y, int16 adjY, int16 width, int16 adjWidth, int16 height, int16 adjHeight);
void copyDisplayRectToScreenUsingGamePos(int16 x, int16 y, int16 width, int16 height);
void copyDisplayRectToScreenUsingVisualPos(int16 x, int16 y, int16 width, int16 height);
void copyDisplayToScreen();
void translateFontPosToDisplayScreen(int16 &x, int16 &y);
void translateDisplayPosToFontScreen(int16 &x, int16 &y);
void translateFontDimensionToDisplayScreen(int16 &width, int16 &height);
void translateFontRectToDisplayScreen(int16 &x, int16 &y, int16 &width, int16 &height);
Common::Rect getFontRectForDisplayScreen(int16 column, int16 row, int16 width, int16 height);
private:
uint _pixels;
uint _displayPixels;
byte *_activeScreen;
byte *_gameScreen; // 160x168 - screen, where the actual game content is drawn to (actual graphics, not including status line, prompt, etc.)
byte *_priorityScreen; // 160x168 - screen contains priority information of the game screen
// the term "visual screen" is effectively the display screen, but at 160x200 resolution. Used for coordinate translation
byte *_displayScreen; // 320x200 or 640x400 - screen, that the game is rendered to and which is then copied to framebuffer
uint16 _displayScreenWidth;
uint16 _displayScreenHeight;
uint16 _displayFontWidth;
uint16 _displayFontHeight;
uint16 _displayWidthMulAdjust;
uint16 _displayHeightMulAdjust;
/**
* This variable defines, if upscaled hires is active and what upscaled mode
* is used.
*/
GfxScreenUpscaledMode _upscaledHires;
bool _priorityTableSet;
uint8 _priorityTable[SCRIPT_HEIGHT]; /**< priority table */
MouseCursorData _mouseCursor;
MouseCursorData _mouseCursorBusy;
uint16 _renderStartVisualOffsetY;
uint16 _renderStartDisplayOffsetY;
public:
uint16 getDisplayScreenWidth() {
return _displayScreenWidth;
}
uint16 getDisplayFontWidth() {
return _displayFontWidth;
}
uint16 getDisplayFontHeight() {
return _displayFontHeight;
}
GfxScreenUpscaledMode getUpscaledHires() {
return _upscaledHires;
}
void debugShowMap(int mapNr);
void clear(byte color, byte priority);
void clearDisplay(byte color, bool copyToScreen = true);
void putPixel(int16 x, int16 y, byte drawMask, byte color, byte priority);
void putPixelOnDisplay(int16 x, int16 y, byte color);
void putPixelOnDisplay(int16 x, int16 adjX, int16 y, int16 adjY, byte color);
void putFontPixelOnDisplay(int16 baseX, int16 baseY, int16 addX, int16 addY, byte color, bool isHires);
byte getColor(int16 x, int16 y);
byte getPriority(int16 x, int16 y);
bool checkControlPixel(int16 x, int16 y, byte newPriority);
byte getCGAMixtureColor(byte color);
void render_Block(int16 x, int16 y, int16 width, int16 height, bool copyToScreen = true);
bool render_Clip(int16 &x, int16 &y, int16 &width, int16 &height, int16 clipAgainstWidth = SCRIPT_WIDTH, int16 clipAgainstHeight = SCRIPT_HEIGHT);
private:
void render_BlockEGA(int16 x, int16 y, int16 width, int16 height, bool copyToScreen);
void render_BlockCGA(int16 x, int16 y, int16 width, int16 height, bool copyToScreen);
void render_BlockHercules(int16 x, int16 y, int16 width, int16 height, bool copyToScreen);
public:
void transition_Amiga();
void transition_AtariSt();
void block_save(int16 x, int16 y, int16 width, int16 height, byte *bufferPtr);
void block_restore(int16 x, int16 y, int16 width, int16 height, byte *bufferPtr);
void drawBox(int16 x, int16 y, int16 width, int16 height, byte backgroundColor, byte lineColor);
void drawDisplayRect(int16 x, int16 y, int16 width, int16 height, byte color, bool copyToScreen = true);
void drawDisplayRect(int16 x, int16 adjX, int16 y, int16 adjY, int16 width, int16 adjWidth, int16 height, int16 adjHeight, byte color, bool copyToScreen = true);
private:
void drawDisplayRectEGA(int16 x, int16 y, int16 width, int16 height, byte color);
void drawDisplayRectCGA(int16 x, int16 y, int16 width, int16 height, byte color);
public:
void drawCharacter(int16 row, int16 column, byte character, byte foreground, byte background, bool disabledLook);
void drawStringOnDisplay(int16 x, int16 y, const char *text, byte foreground, byte background);
void drawStringOnDisplay(int16 x, int16 adjX, int16 y, int16 adjY, const char *text, byte foregroundColor, byte backgroundColor);
void drawCharacterOnDisplay(int16 x, int16 y, byte character, byte foreground, byte background, byte transformXOR = 0, byte transformOR = 0);
void shakeScreen(int16 repeatCount);
void updateScreen();
void initPriorityTable();
void createDefaultPriorityTable(uint8 *priorityTable);
void setPriorityTable(int16 priorityBase);
bool saveLoadWasPriorityTableModified();
int16 saveLoadGetPriority(int16 yPos);
void saveLoadSetPriorityTableModifiedBool(bool wasModified);
void saveLoadSetPriority(int16 yPos, int16 priority);
void saveLoadFigureOutPriorityTableModifiedBool();
int16 priorityToY(int16 priority);
int16 priorityFromY(int16 yPos);
};
} // End of namespace Agi
#endif /* AGI_GRAPHICS_H */
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