openclonk/src/landscape/C4SolidMask.h

93 lines
3.0 KiB
C++

/*
* OpenClonk, http://www.openclonk.org
*
* Copyright (c) 2003, 2005, 2008 Sven Eberhardt
* Copyright (c) 2007-2008 Günther Brammer
* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de
*
* Portions might be copyrighted by other authors who have contributed
* to OpenClonk.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
* See isc_license.txt for full license and disclaimer.
*
* "Clonk" is a registered trademark of Matthes Bender.
* See clonk_trademark_license.txt for full license.
*/
/* Solid areas of objects, put into the landscape */
#ifndef INC_C4SolidMask
#define INC_C4SolidMask
#include <C4ObjectList.h>
#include <C4Shape.h>
class C4SolidMask
{
protected:
bool MaskPut; // if set, the mask is currently put into landscape
int MaskPutRotation; // rotation in which the mask was put (and resides in the buffers)
int MatBuffPitch; // pitch (and width) of mat buffer
C4Real MaskRemovalX, MaskRemovalY; // last position mask was removed from
class C4Object **ppAttachingObjects; // objects to be moved with mask motion
int iAttachingObjectsCount, iAttachingObjectsCapacity;
C4TargetRect MaskPutRect; // absolute bounding screen rect at which the mask is put - tx and ty are offsets within pSolidMask (for rects outside the landscape)
BYTE *pSolidMask; // solid mask data: 0x00 if not solid at this position; 0xff if solid
BYTE *pSolidMaskMatBuff; // material replaced by this solidmask. MCVehic if no solid mask data at this position OR another solidmask was already present during put
C4Object *pForObject;
// provides density within put SolidMask of an object
class DensityProvider : public C4DensityProvider
{
private:
class C4Object *pForObject;
C4SolidMask &rSolidMaskData;
public:
DensityProvider(class C4Object *pForObject, C4SolidMask &rSolidMaskData)
: pForObject(pForObject), rSolidMaskData(rSolidMaskData) {}
virtual int32_t GetDensity(int32_t x, int32_t y) const;
};
// Remove the solidmask temporarily
void RemoveTemporary(C4Rect where);
void PutTemporary(C4Rect where);
static void RemoveSolidMasks();
static void PutSolidMasks();
// Reput and update Matbuf after landscape change underneath
void Repair(C4Rect where);
friend class C4Landscape;
friend class DensityProvider;
public:
// Linked list of all solidmasks
static C4SolidMask * First;
static C4SolidMask * Last;
C4SolidMask * Prev;
C4SolidMask * Next;
void Put(bool fCauseInstability, C4TargetRect *pClipRect, bool fRestoreAttachment); // put mask to landscape
void Remove(bool fBackupAttachment); // remove mask from landscape
void Draw(C4TargetFacet &cgo); // draw the solidmask (dbg display)
bool IsPut() { return MaskPut; }
C4SolidMask(C4Object *pForObject); // ctor
~C4SolidMask(); // dtor
#ifdef SOLIDMASK_DEBUG
static bool CheckConsistency();
#else
static bool CheckConsistency() { return true; }
#endif
};
#endif