scummvm/engines/sci/graphics/helpers.h
2011-05-12 01:16:22 +02:00

151 lines
4.0 KiB
C++

/* 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 SCI_GRAPHICS_HELPERS_H
#define SCI_GRAPHICS_HELPERS_H
#include "common/endian.h" // for READ_LE_UINT16
#include "common/rect.h"
#include "common/serializer.h"
#include "sci/engine/vm_types.h"
namespace Sci {
// Cache limits
#define MAX_CACHED_CURSORS 10
#define MAX_CACHED_FONTS 20
#define MAX_CACHED_VIEWS 50
#define SCI_SHAKE_DIRECTION_VERTICAL 1
#define SCI_SHAKE_DIRECTION_HORIZONTAL 2
typedef int GuiResourceId; // is a resource-number and -1 means no parameter given
typedef int16 TextAlignment;
#define PORTS_FIRSTWINDOWID 2
#define PORTS_FIRSTSCRIPTWINDOWID 3
struct Port {
uint16 id;
int16 top, left;
Common::Rect rect;
int16 curTop, curLeft;
int16 fontHeight;
GuiResourceId fontId;
bool greyedOutput;
int16 penClr, backClr;
int16 penMode;
uint16 counterTillFree;
Port(uint16 theId) : id(theId), top(0), left(0),
curTop(0), curLeft(0),
fontHeight(0), fontId(0), greyedOutput(false),
penClr(0), backClr(0xFF), penMode(0), counterTillFree(0) {
}
bool isWindow() const { return id >= PORTS_FIRSTWINDOWID && id != 0xFFFF; }
};
struct Window : public Port, public Common::Serializable {
Common::Rect dims; // client area of window
Common::Rect restoreRect; // total area of window including borders
uint16 wndStyle;
uint16 saveScreenMask;
reg_t hSaved1;
reg_t hSaved2;
Common::String title;
bool bDrawn;
Window(uint16 theId) : Port(theId),
wndStyle(0), saveScreenMask(0),
hSaved1(NULL_REG), hSaved2(NULL_REG),
bDrawn(false) {
}
void syncRect(Common::Serializer &ser, Common::Rect &targetRect) {
ser.syncAsSint16LE(targetRect.top);
ser.syncAsSint16LE(targetRect.left);
ser.syncAsSint16LE(targetRect.bottom);
ser.syncAsSint16LE(targetRect.right);
}
virtual void saveLoadWithSerializer(Common::Serializer &ser) {
ser.syncAsUint16LE(id);
ser.syncAsSint16LE(top);
ser.syncAsSint16LE(left);
syncRect(ser, rect);
ser.syncAsSint16LE(curTop);
ser.syncAsSint16LE(curLeft);
ser.syncAsSint16LE(fontHeight);
ser.syncAsSint32LE(fontId);
ser.syncAsByte(greyedOutput);
ser.syncAsSint16LE(penClr);
ser.syncAsSint16LE(backClr);
ser.syncAsSint16LE(penMode);
ser.syncAsUint16LE(counterTillFree);
syncRect(ser, dims);
syncRect(ser, restoreRect);
ser.syncAsUint16LE(wndStyle);
ser.syncAsUint16LE(saveScreenMask);
if (ser.isLoading()) {
// The hunk table isn't saved, so we just set both pointers to NULL
hSaved1 = NULL_REG;
hSaved2 = NULL_REG;
}
ser.syncString(title);
ser.syncAsByte(bDrawn);
}
};
struct Color {
byte used;
byte r, g, b;
};
struct Palette {
byte mapping[256];
uint32 timestamp;
Color colors[256];
byte intensity[256];
};
struct PalSchedule {
byte from;
uint32 schedule;
};
// Game view types, sorted by the number of colors
enum ViewType {
kViewUnknown, // uninitialized, or non-SCI
kViewEga, // EGA SCI0/SCI1 and Amiga SCI0/SCI1 ECS 16 colors
kViewAmiga, // Amiga SCI1 ECS 32 colors
kViewAmiga64, // Amiga SCI1 AGA 64 colors (i.e. Longbow)
kViewVga, // VGA SCI1 256 colors
kViewVga11 // VGA SCI1.1 and newer 256 colors
};
} // End of namespace Sci
#endif