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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 SCI_ENGINE_SELECTOR_H
#define SCI_ENGINE_SELECTOR_H
#include "common/scummsys.h"
#include "sci/engine/vm_types.h" // for reg_t
#include "sci/engine/vm.h"
namespace Sci {
/** Contains selector IDs for a few selected selectors */
struct SelectorCache {
SelectorCache() {
memset(this, 0, sizeof(*this));
}
// Statically defined selectors, (almost the) same in all SCI versions
Selector y;
Selector x;
Selector view, loop, cel; ///< Description of a specific image
Selector underBits; ///< Used by the graphics subroutines to store backupped BG pic data
Selector nsTop, nsLeft, nsBottom, nsRight; ///< View boundaries ('now seen')
Selector lsTop, lsLeft, lsBottom, lsRight; ///< Used by Animate() subfunctions and scroll list controls
Selector signal; ///< Used by Animate() to control a view's behaviour
Selector illegalBits; ///< Used by CanBeHere
Selector brTop, brLeft, brBottom, brRight; ///< Bounding Rectangle
// name, key, time
Selector text; ///< Used by controls
Selector elements; ///< Used by SetSynonyms()
// color, back
Selector mode; ///< Used by text controls (-> DrawControl())
// style
Selector state, font, type;///< Used by controls
// window
Selector cursor, max; ///< Used by EditControl
// mark, who
Selector message; ///< Used by GetEvent
// edit
Selector play; ///< Play function (first function to be called)
Selector number;
Selector handle; ///< Replaced by nodePtr in SCI1+
Selector nodePtr; ///< Replaces handle in SCI1+
Selector client; ///< The object that wants to be moved
Selector dx, dy; ///< Deltas
Selector b_movCnt, b_i1, b_i2, b_di, b_xAxis, b_incr; ///< Various Bresenham vars
Selector xStep, yStep; ///< BR adjustments
Selector moveSpeed; ///< Used for DoBresen
Selector canBeHere; ///< Funcselector: Checks for movement validity in SCI0
Selector heading, mover; ///< Used in DoAvoider
Selector doit; ///< Called (!) by the Animate() system call
Selector isBlocked, looper; ///< Used in DoAvoider
Selector priority;
Selector modifiers; ///< Used by GetEvent
Selector replay; ///< Replay function
// setPri, at, next, done, width
Selector wordFail, syntaxFail; ///< Used by Parse()
// semanticFail, pragmaFail
// said
Selector claimed; ///< Used generally by the event mechanism
// value, save, restore, title, button, icon, draw
Selector delete_; ///< Called by Animate() to dispose a view object
Selector z;
// SCI1+ static selectors
Selector parseLang;
Selector printLang; ///< Used for i18n
Selector subtitleLang;
Selector size;
Selector points; ///< Used by AvoidPath()
Selector palette;
Selector dataInc;
// handle (in SCI1)
Selector min; ///< SMPTE time format
Selector sec;
Selector frame;
Selector vol;
Selector pri;
// perform
Selector moveDone; ///< used for DoBresen
Selector init; ///< Used for menu initialization when loading from the launcher
// SCI1 selectors which have been moved a bit in SCI1.1, but otherwise static
Selector cantBeHere; ///< Checks for movement avoidance in SCI1+. Replaces canBeHere
Selector topString; ///< SCI1 scroll lists use this instead of lsTop
Selector flags;
// SCI1+ audio sync related selectors, not static. They're used for lip syncing in
// CD talkie games
Selector syncCue; ///< Used by DoSync()
Selector syncTime;
// SCI1.1 specific selectors
Selector scaleSignal; //< Used by kAnimate() for cel scaling (SCI1.1+)
Selector scaleX, scaleY; ///< SCI1.1 view scaling
Selector maxScale; ///< SCI1.1 view scaling, limit for cel, when using global scaling
Selector vanishingX; ///< SCI1.1 view scaling, used by global scaling
Selector vanishingY; ///< SCI1.1 view scaling, used by global scaling
// Used for auto detection purposes
Selector overlay; ///< Used to determine if a game is using old gfx functions or not
// SCI1.1 Mac icon bar selectors
Selector iconIndex; ///< Used to index icon bar objects
#ifdef ENABLE_SCI32
Selector data; // Used by Array()/String()
Selector picture; // Used to hold the picture ID for SCI32 pictures
Selector plane;
Selector top;
Selector left;
Selector bottom;
Selector right;
Selector resX;
Selector resY;
Selector fore;
Selector back;
Selector dimmed;
#endif
};
/**
* Map a selector name to a selector id. Shortcut for accessing the selector cache.
*/
#define SELECTOR(_slc_) (g_sci->getKernel()->_selectorCache._slc_)
/**
* Retrieves a selector from an object.
* @param segMan the segment mananger
* @param _obj_ the address of the object which the selector should be read from
* @param _slc_ the selector to refad
* @return the selector value as a reg_t
* This macro halts on error. 'selector' must be a selector name registered in vm.h's
* SelectorCache and mapped in script.cpp.
*/
reg_t readSelector(SegManager *segMan, reg_t object, Selector selectorId);
#define readSelectorValue(segMan, _obj_, _slc_) (readSelector(segMan, _obj_, _slc_).offset)
/**
* Writes a selector value to an object.
* @param segMan the segment mananger
* @param _obj_ the address of the object which the selector should be written to
* @param _slc_ the selector to read
* @param _val_ the value to write
* This macro halts on error. 'selector' must be a selector name registered in vm.h's
* SelectorCache and mapped in script.cpp.
*/
void writeSelector(SegManager *segMan, reg_t object, Selector selectorId, reg_t value);
#define writeSelectorValue(segMan, _obj_, _slc_, _val_) writeSelector(segMan, _obj_, _slc_, make_reg(0, _val_))
/**
* Invokes a selector from an object.
*/
void invokeSelector(EngineState *s, reg_t object, int selectorId,
int k_argc, StackPtr k_argp, int argc = 0, const reg_t *argv = 0);
} // End of namespace Sci
#endif // SCI_ENGINE_KERNEL_H
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