openclonk/src/landscape/C4SolidMask.h

100 lines
3.2 KiB
C++

/*
* OpenClonk, http://www.openclonk.org
*
* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
* Copyright (c) 2009-2016, The OpenClonk Team and contributors
*
* Distributed under the terms of the ISC license; see accompanying file
* "COPYING" for details.
*
* "Clonk" is a registered trademark of Matthes Bender, used with permission.
* See accompanying file "TRADEMARK" for details.
*
* To redistribute this file separately, substitute the full license texts
* for the above references.
*/
/* Solid areas of objects, put into the landscape */
#ifndef INC_C4SolidMask
#define INC_C4SolidMask
#include "object/C4ObjectList.h"
#include "object/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
// last position mask was removed from
// A rounded position is used for y, even though that causes movement to be less smooth, because gravity will counter sub-pixel movement and cause all non-attached objects to fall through the mask eventually
C4Real MaskRemovalX;
int32_t MaskRemovalY;
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 *pSolidMaskMatBuff; // material replaced by this solidmask. MCVehic if no solid mask data at this position OR another solidmask was already present during put (independent of MaskMaterial)
BYTE MaskMaterial; // Either MCVehicle or MCHalfVehicle
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);
// 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
static void RemoveSolidMasks();
static void PutSolidMasks();
static CSurface8 *LoadMaskFromFile(class C4Group &hGroup, const char *szFilename);
void SetHalfVehicle(bool set);
};
#endif