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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 TOLTECS_SCREEN_H
#define TOLTECS_SCREEN_H
#include "common/scummsys.h"
#include "common/endian.h"
#include "common/util.h"
#include "common/file.h"
#include "common/savefile.h"
#include "common/system.h"
#include "common/hash-str.h"
#include "common/events.h"
#include "common/keyboard.h"
#include "common/list.h"
#include "common/array.h"
#include "graphics/surface.h"
#include "engines/engine.h"
namespace Toltecs {
struct DrawRequest {
int16 x, y;
int16 resIndex;
uint16 flags;
int16 baseColor;
int8 scaling;
};
struct SpriteDrawItem {
int16 x, y;
int16 width, height;
int16 origWidth, origHeight;
int16 resIndex, frameNum;
uint32 offset;
int16 xdelta, ydelta;
uint16 flags;
int16 skipX, yerror;
int16 priority;
int16 baseColor;
};
struct SpriteFrameEntry {
int16 y, x, h, w;
uint32 offset;
SpriteFrameEntry() {
}
SpriteFrameEntry(byte *data) {
y = READ_LE_UINT16(data + 0);
x = READ_LE_UINT16(data + 2);
h = READ_LE_UINT16(data + 4);
w = READ_LE_UINT16(data + 6);
offset = READ_LE_UINT32(data + 8);
}
};
class Font {
public:
Font(byte *fontData) : _fontData(fontData) {
}
~Font() {
}
int16 getSpacing() const {
return _fontData[1];
}
int16 getHeight() const {
return _fontData[2];
}
int16 getWidth() const {
return _fontData[3];
}
int16 getCharWidth(byte ch) const {
return _fontData[4 + (ch - 0x21)];
}
byte *getCharData(byte ch) const {
return _fontData + 0x298 + READ_LE_UINT16(&_fontData[0xE0 + (ch - 0x21) * 2]);
}
int16 getTextWidth(const byte *text) {
int16 width = 0;
while (*text && *text < 0xF0) {
byte ch = *text++;
if (ch <= 0x20) {
width += getWidth();
} else {
width += getCharWidth(ch) + getSpacing() - 1;
}
}
return width;
}
protected:
byte *_fontData;
};
struct PixelPacket {
byte count;
byte pixel;
};
enum SpriteReaderStatus {
kSrsPixelsLeft,
kSrsEndOfLine,
kSrsEndOfSprite
};
class SpriteFilter {
public:
SpriteFilter(const SpriteDrawItem &sprite) : _sprite(&sprite) {
}
virtual SpriteReaderStatus readPacket(PixelPacket &packet) = 0;
protected:
const SpriteDrawItem *_sprite;
};
struct TextRect {
int16 x, y;
int16 width, length;
};
struct TalkTextItem {
int16 duration;
int16 slotIndex;
int16 slotOffset;
int16 fontNum;
byte color;
byte lineCount;
TextRect lines[15];
};
struct GuiTextWrapState {
int16 len1, len2;
byte *sourceString;
byte *destString;
int16 width;
byte textBuffer[100];
};
class RenderQueue;
class Screen {
public:
Screen(ToltecsEngine *vm);
~Screen();
void unpackRle(byte *source, byte *dest, uint16 width, uint16 height);
void loadMouseCursor(uint resIndex);
void drawGuiImage(int16 x, int16 y, uint resIndex);
void startShakeScreen(int16 shakeCounter);
void stopShakeScreen();
void updateShakeScreen();
// Sprite list
void addStaticSprite(byte *spriteItem);
void addAnimatedSprite(int16 x, int16 y, int16 fragmentId, byte *data, int16 *spriteArray, bool loop, int mode);
void clearSprites();
// Sprite drawing
void drawSprite(const SpriteDrawItem &sprite);
void drawSpriteCore(byte *dest, SpriteFilter &reader, const SpriteDrawItem &sprite);
// Verb line
void updateVerbLine(int16 slotIndex, int16 slotOffset);
// Talk text
void updateTalkText(int16 slotIndex, int16 slotOffset);
void addTalkTextRect(Font &font, int16 x, int16 &y, int16 length, int16 width, TalkTextItem *item);
void addTalkTextItemsToRenderQueue();
int16 getTalkTextDuration();
void finishTalkTextItems();
void keepTalkTextItemsAlive();
// Font/text
void registerFont(uint fontIndex, uint resIndex);
void drawGuiTextMulti(byte *textData);
int16 wrapGuiText(uint fontResIndex, int maxWidth, GuiTextWrapState &wrapState);
void drawGuiText(int16 x, int16 y, byte fontColor1, byte fontColor2, uint fontResIndex, GuiTextWrapState &wrapState);
int16 drawString(int16 x, int16 y, byte color, uint fontResIndex, const byte *text, int len = -1, int16 *ywobble = NULL, bool outline = false);
void drawChar(const Font &font, byte *dest, int16 x, int16 y, byte ch, byte color, bool outline);
void drawSurface(int16 x, int16 y, Graphics::Surface *surface);
void saveState(Common::WriteStream *out);
void loadState(Common::ReadStream *in);
uint getFontResIndex(int fontNum) const { return _fontResIndexArray[fontNum]; }
//protected:
public:
struct VerbLineItem {
int16 slotIndex;
int16 slotOffset;
};
struct Rect {
int16 x, y, width, height;
};
ToltecsEngine *_vm;
byte *_frontScreen, *_backScreen;
uint _fontResIndexArray[10];
byte _fontColor1, _fontColor2;
// Screen shaking
bool _shakeActive;
int16 _shakeCounterInit, _shakeCounter;
int _shakePos;
// Verb line
int16 _verbLineNum;
VerbLineItem _verbLineItems[8];
int16 _verbLineX, _verbLineY, _verbLineWidth;
int16 _verbLineCount;
// Talk text
int16 _talkTextX, _talkTextY;
int16 _talkTextMaxWidth;
byte _talkTextFontColor;
int16 _talkTextItemNum;
TalkTextItem _talkTextItems[5];
RenderQueue *_renderQueue;
bool _fullRefresh;
bool _guiRefresh;
void addDrawRequest(const DrawRequest &drawRequest);
};
} // End of namespace Toltecs
#endif /* TOLTECS_SCREEN_H */
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