C4PXS.h

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/*
 * OpenClonk, http://www.openclonk.org
 *
 * Copyright (c) 1998-2000, Matthes Bender
 * Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
 * Copyright (c) 2013-2016, 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.
 */
 
/* Pixel Sprite system for tiny bits of moving material */
 
#ifndef INC_C4PXS
#define INC_C4PXS
 
#include "landscape/C4Material.h"
 
class C4PXS
{
    friend class C4PXSSystem;
protected:
    int32_t Mat{MNone};
    C4Real x{Fix0}, y{Fix0}, xdir{Fix0}, ydir{Fix0};
protected:
    bool Execute();
    void Deactivate();
};
 
const size_t PXSMax = 10000;
 
class C4PXSSystem
{
public:
    C4PXSSystem();
    ~C4PXSSystem();
public:
    size_t Count;
protected:
    C4PXS PXS[PXSMax];
public:
    void Default();
    void Clear();
    void Execute();
    void Draw(C4TargetFacet &cgo);
    void Cast(int32_t mat, int32_t num, int32_t tx, int32_t ty, int32_t level);
    bool Create(int32_t mat, C4Real ix, C4Real iy, C4Real ixdir=Fix0, C4Real iydir=Fix0);
    bool Load(C4Group &hGroup);
    bool Save(C4Group &hGroup);
    int32_t GetCount() const { return Count; } // count all PXS
    int32_t GetCount(int32_t mat) const; // count PXS of given material
    int32_t GetCount(int32_t mat, int32_t x, int32_t y, int32_t wdt, int32_t hgt) const; // count PXS of given material in given area. mat==-1 for all materials.
protected:
    C4PXS *New();
};
 
extern C4PXSSystem PXS;
#endif