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C4PXSSystem Class Reference

#include <C4PXS.h>

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Public Member Functions

 C4PXSSystem ()
 
 ~C4PXSSystem ()
 
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
 
int32_t GetCount (int32_t mat) const
 
int32_t GetCount (int32_t mat, int32_t x, int32_t y, int32_t wdt, int32_t hgt) const
 

Public Attributes

size_t Count
 

Protected Member Functions

C4PXSNew ()
 

Protected Attributes

C4PXS PXS [PXSMax]
 

Detailed Description

Definition at line 38 of file C4PXS.h.

Constructor & Destructor Documentation

C4PXSSystem::C4PXSSystem ( )

Definition at line 148 of file C4PXS.cpp.

References Default().

149 {
150  Default();
151 }
void Default()
Definition: C4PXS.cpp:158

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C4PXSSystem::~C4PXSSystem ( )

Definition at line 153 of file C4PXS.cpp.

References Clear().

154 {
155  Clear();
156 }
void Clear()
Definition: C4PXS.cpp:163

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Member Function Documentation

void C4PXSSystem::Cast ( int32_t  mat,
int32_t  num,
int32_t  tx,
int32_t  ty,
int32_t  level 
)

Definition at line 309 of file C4PXS.cpp.

References Create(), itofix(), and Random().

Referenced by C4Landscape::P::BlastMaterial2Objects().

310 {
311  int32_t cnt;
312  for (cnt=0; cnt<num; cnt++)
313  {
314  // Must do these calculation steps separately, because the order of
315  // invokations of Random() is not defined if they're used as parameters
316  C4Real xdir = itofix(Random(level+1)-level/2); xdir/=10;
317  C4Real ydir = itofix(Random(level+1)-level); ydir/=10;
318  Create(mat,
319  itofix(tx),itofix(ty),
320  xdir,
321  ydir);
322  }
323 }
uint32_t Random()
Definition: C4Random.cpp:43
bool Create(int32_t mat, C4Real ix, C4Real iy, C4Real ixdir=Fix0, C4Real iydir=Fix0)
Definition: C4PXS.cpp:175
Definition: C4Real.h:58
C4Fixed itofix(int32_t x)
Definition: C4Real.h:261

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void C4PXSSystem::Clear ( )

Definition at line 163 of file C4PXS.cpp.

References Count.

Referenced by C4Game::Clear(), C4Game::InitGame(), Load(), and ~C4PXSSystem().

164 {
165  Count=0;
166 }
size_t Count
Definition: C4PXS.h:44

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bool C4PXSSystem::Create ( int32_t  mat,
C4Real  ix,
C4Real  iy,
C4Real  ixdir = Fix0,
C4Real  iydir = Fix0 
)

Definition at line 175 of file C4PXS.cpp.

References C4PXS::Mat, MatValid(), New(), C4PXS::x, C4PXS::xdir, C4PXS::y, and C4PXS::ydir.

Referenced by Cast(), C4Landscape::CheckInstability(), C4Landscape::InsertMaterial(), C4MaterialMap::mrfConvert(), and C4Landscape::P::ShakeFreePix().

176 {
177  C4PXS *pxp;
178  if (!MatValid(mat)) return false;
179  if (!(pxp=New())) return false;
180  pxp->Mat=mat;
181  pxp->x=ix; pxp->y=iy;
182  pxp->xdir=ixdir; pxp->ydir=iydir;
183  return true;
184 }
C4PXS * New()
Definition: C4PXS.cpp:168
Definition: C4PXS.h:25
C4Real y
Definition: C4PXS.h:30
C4Real ydir
Definition: C4PXS.h:30
int32_t Mat
Definition: C4PXS.h:29
C4Real xdir
Definition: C4PXS.h:30
C4Real x
Definition: C4PXS.h:30
bool MatValid(int32_t mat)
Definition: C4Material.h:210

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void C4PXSSystem::Default ( )

Definition at line 158 of file C4PXS.cpp.

References Count.

Referenced by C4PXSSystem(), and C4Game::Default().

159 {
160  Count=0;
161 }
size_t Count
Definition: C4PXS.h:44

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void C4PXSSystem::Draw ( C4TargetFacet cgo)

Definition at line 198 of file C4PXS.cpp.

References Abs(), C4BltVertex::color, Config, C4Rect::Contains(), Count, DwTo4UB(), C4Rect::Enlarge(), fixtof(), fixtoi(), C4BltVertex::ftx, C4BltVertex::fty, CStdPalette::GetClr(), C4Landscape::GetPal(), C4Facet::GetPhaseNum(), C4Config::Graphics, C4Surface::Hgt, C4Facet::Hgt, Landscape, C4MaterialMap::Map, C4PXS::Mat, Mat2PixColDefault(), MaterialMap, MNone, pDraw, C4Draw::PerformMultiLines(), C4Draw::PerformMultiPix(), C4Draw::PerformMultiTris(), PXS, C4Material::PXSFace, C4ConfigGraphics::PXSGfx, C4MaterialCore::PXSGfxRt, C4MaterialCore::PXSGfxSize, C4Facet::Surface, C4TargetFacet::TargetX, C4TargetFacet::TargetY, C4Surface::texture, C4BltVertex::tx, C4TargetRect::tx, C4BltVertex::ty, C4TargetRect::ty, C4Surface::Wdt, C4Facet::Wdt, C4PXS::x, C4Facet::X, C4PXS::xdir, C4PXS::y, C4Facet::Y, C4PXS::ydir, and z.

Referenced by C4Viewport::Draw().

199 {
200  // Draw PXS in this region
201  C4Rect VisibleRect(cgo.TargetX, cgo.TargetY, cgo.Wdt, cgo.Hgt);
202  VisibleRect.Enlarge(20);
203 
204  // Go through all PXS and build vertex arrays. The vertex arrays are
205  // then submitted to the GL in one go.
206  std::vector<C4BltVertex> pixVtx;
207  std::vector<C4BltVertex> lineVtx;
208  std::map<int, std::vector<C4BltVertex> > bltVtx;
209  // TODO: reserve some space to avoid too many allocations
210  // TODO: keep vertex mem allocated between draw invocations
211 
212  float cgox = cgo.X - cgo.TargetX, cgoy = cgo.Y - cgo.TargetY;
213  // First pass: draw simple PXS (lines/pixels)
214  for (size_t i = 0; i < Count; i++)
215  {
216  C4PXS *pxp = &PXS[i];
217  if (pxp->Mat != MNone && VisibleRect.Contains(fixtoi(pxp->x), fixtoi(pxp->y)))
218  {
219  C4Material *pMat = &::MaterialMap.Map[pxp->Mat];
220  const DWORD dwMatClr = ::Landscape.GetPal()->GetClr((BYTE) (Mat2PixColDefault(pxp->Mat)));
221  if(pMat->PXSFace.Surface)
222  {
223  int32_t pnx, pny;
224  pMat->PXSFace.GetPhaseNum(pnx, pny);
225  int32_t fcWdt = pMat->PXSFace.Wdt;
226  int32_t fcHgt = pMat->PXSFace.Hgt;
227  // calculate draw width and tile to use (random-ish)
228  uint32_t size = (1103515245 * i + 12345) >> 3;
229  float z = pMat->PXSGfxSize * (0.625f + 0.05f * int(size % 16));
230  pny = (i / pnx) % pny; pnx = i % pnx;
231 
232  const float w = z;
233  const float h = z * fcHgt / fcWdt;
234  const float x1 = fixtof(pxp->x) + cgox + z * pMat->PXSGfxRt.tx / fcWdt;
235  const float y1 = fixtof(pxp->y) + cgoy + z * pMat->PXSGfxRt.ty / fcHgt;
236  const float x2 = x1 + w;
237  const float y2 = y1 + h;
238 
239  const float sfcWdt = pMat->PXSFace.Surface->Wdt;
240  const float sfcHgt = pMat->PXSFace.Surface->Hgt;
241 
242  C4BltVertex vtx[6];
243  vtx[0].tx = (pnx + 0.f) * fcWdt / sfcWdt; vtx[0].ty = (pny + 0.f) * fcHgt / sfcHgt;
244  vtx[0].ftx = x1; vtx[0].fty = y1;
245  vtx[1].tx = (pnx + 1.f) * fcWdt / sfcWdt; vtx[1].ty = (pny + 0.f) * fcHgt / sfcHgt;
246  vtx[1].ftx = x2; vtx[1].fty = y1;
247  vtx[2].tx = (pnx + 1.f) * fcWdt / sfcWdt; vtx[2].ty = (pny + 1.f) * fcHgt / sfcHgt;
248  vtx[2].ftx = x2; vtx[2].fty = y2;
249  vtx[3].tx = (pnx + 0.f) * fcWdt / sfcWdt; vtx[3].ty = (pny + 1.f) * fcHgt / sfcHgt;
250  vtx[3].ftx = x1; vtx[3].fty = y2;
251  DwTo4UB(0xFFFFFFFF, vtx[0].color);
252  DwTo4UB(0xFFFFFFFF, vtx[1].color);
253  DwTo4UB(0xFFFFFFFF, vtx[2].color);
254  DwTo4UB(0xFFFFFFFF, vtx[3].color);
255  vtx[4] = vtx[2];
256  vtx[5] = vtx[0];
257 
258  std::vector<C4BltVertex>& vec = bltVtx[pxp->Mat];
259  vec.push_back(vtx[0]);
260  vec.push_back(vtx[1]);
261  vec.push_back(vtx[2]);
262  vec.push_back(vtx[3]);
263  vec.push_back(vtx[4]);
264  vec.push_back(vtx[5]);
265  }
266  else
267  {
268  // old-style: unicolored pixels or lines
269  if (fixtoi(pxp->xdir) || fixtoi(pxp->ydir))
270  {
271  // lines for stuff that goes whooosh!
272  int len = fixtoi(Abs(pxp->xdir) + Abs(pxp->ydir));
273  const DWORD dwMatClrLen = uint32_t(std::max<int>(dwMatClr >> 24, 195 - (195 - (dwMatClr >> 24)) / len)) << 24 | (dwMatClr & 0xffffff);
274  C4BltVertex begin, end;
275  begin.ftx = fixtof(pxp->x - pxp->xdir) + cgox; begin.fty = fixtof(pxp->y - pxp->ydir) + cgoy;
276  end.ftx = fixtof(pxp->x) + cgox; end.fty = fixtof(pxp->y) + cgoy;
277  DwTo4UB(dwMatClrLen, begin.color);
278  DwTo4UB(dwMatClrLen, end.color);
279  lineVtx.push_back(begin);
280  lineVtx.push_back(end);
281  }
282  else
283  {
284  // single pixels for slow stuff
285  C4BltVertex vtx;
286  vtx.ftx = fixtof(pxp->x) + cgox;
287  vtx.fty = fixtof(pxp->y) + cgoy;
288  DwTo4UB(dwMatClr, vtx.color);
289  pixVtx.push_back(vtx);
290  }
291  }
292  }
293  }
294 
295  if(!pixVtx.empty()) pDraw->PerformMultiPix(cgo.Surface, &pixVtx[0], pixVtx.size(), nullptr);
296  if(!lineVtx.empty()) pDraw->PerformMultiLines(cgo.Surface, &lineVtx[0], lineVtx.size(), 1.0f, nullptr);
297 
298  // PXS graphics disabled?
299  if (!Config.Graphics.PXSGfx)
300  return;
301 
302  for(std::map<int, std::vector<C4BltVertex> >::const_iterator iter = bltVtx.begin(); iter != bltVtx.end(); ++iter)
303  {
304  C4Material *pMat = &::MaterialMap.Map[iter->first];
305  pDraw->PerformMultiTris(cgo.Surface, &iter->second[0], iter->second.size(), nullptr, pMat->PXSFace.Surface->texture.get(), nullptr, nullptr, 0, nullptr);
306  }
307 }
float fty
Definition: C4Draw.h:64
C4Config Config
Definition: C4Config.cpp:833
float Y
Definition: C4Facet.h:118
#define z
int Wdt
Definition: C4Surface.h:65
float tx
Definition: C4Draw.h:62
C4TargetRect PXSGfxRt
Definition: C4Material.h:117
unsigned char color[4]
Definition: C4Draw.h:63
bool GetPhaseNum(int32_t &rX, int32_t &rY)
Definition: C4Facet.cpp:472
C4Material * Map
Definition: C4Material.h:169
Definition: C4PXS.h:25
Definition: C4Rect.h:27
uint8_t BYTE
float ty
Definition: C4Draw.h:62
C4Real y
Definition: C4PXS.h:30
int Hgt
Definition: C4Surface.h:65
virtual void PerformMultiTris(C4Surface *sfcTarget, const C4BltVertex *vertices, unsigned int n_vertices, const C4BltTransform *pTransform, C4TexRef *pTex, C4TexRef *pOverlay, C4TexRef *pNormal, DWORD dwOverlayClrMod, C4ShaderCall *shader_call)=0
DWORD GetClr(BYTE byCol)
Definition: StdColors.h:186
C4ConfigGraphics Graphics
Definition: C4Config.h:253
size_t Count
Definition: C4PXS.h:44
void DwTo4UB(DWORD dwClr, unsigned char(&r)[4])
Definition: C4Draw.h:29
C4Real ydir
Definition: C4PXS.h:30
const int32_t MNone
Definition: C4Constants.h:177
virtual void PerformMultiPix(C4Surface *sfcTarget, const C4BltVertex *vertices, unsigned int n_vertices, C4ShaderCall *shader_call)=0
C4Landscape Landscape
C4PXS PXS[PXSMax]
Definition: C4PXS.h:46
int32_t tx
Definition: C4Rect.h:79
C4Draw * pDraw
Definition: C4Draw.cpp:42
int32_t ty
Definition: C4Rect.h:79
virtual void PerformMultiLines(C4Surface *sfcTarget, const C4BltVertex *vertices, unsigned int n_vertices, float width, C4ShaderCall *shader_call)=0
int32_t Mat
Definition: C4PXS.h:29
int32_t PXSGfx
Definition: C4Config.h:109
int32_t PXSGfxSize
Definition: C4Material.h:118
std::unique_ptr< C4TexRef > texture
Definition: C4Surface.h:78
float TargetX
Definition: C4Facet.h:165
float Hgt
Definition: C4Facet.h:118
C4Real xdir
Definition: C4PXS.h:30
C4MaterialMap MaterialMap
Definition: C4Material.cpp:974
CStdPalette * GetPal() const
C4Real x
Definition: C4PXS.h:30
float ftx
Definition: C4Draw.h:64
float fixtof(const C4Fixed &x)
Definition: C4Real.h:257
BYTE Mat2PixColDefault(int32_t mat)
Definition: C4Material.h:235
T Abs(T val)
Definition: Standard.h:42
C4Surface * Surface
Definition: C4Facet.h:117
float TargetY
Definition: C4Facet.h:165
uint32_t DWORD
int fixtoi(const C4Fixed &x)
Definition: C4Real.h:259
C4Facet PXSFace
Definition: C4Material.h:157
float Wdt
Definition: C4Facet.h:118
float X
Definition: C4Facet.h:118

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void C4PXSSystem::Execute ( )

Definition at line 186 of file C4PXS.cpp.

References Count, MNone, and PXS.

Referenced by C4Game::Execute().

187 {
188  for (size_t i = 0; i < Count; i++)
189  {
190  if (!PXS[i].Execute())
191  {
192  assert(PXS[i].Mat == MNone);
193  PXS[i--] = PXS[--Count];
194  }
195  }
196 }
size_t Count
Definition: C4PXS.h:44
const int32_t MNone
Definition: C4Constants.h:177
C4PXS PXS[PXSMax]
Definition: C4PXS.h:46
void Execute()
Definition: C4PXS.cpp:186

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int32_t C4PXSSystem::GetCount ( ) const
inline

Definition at line 56 of file C4PXS.h.

References Count.

56 { return Count; } // count all PXS
size_t Count
Definition: C4PXS.h:44
int32_t C4PXSSystem::GetCount ( int32_t  mat) const

Definition at line 398 of file C4PXS.cpp.

References Count, and PXS.

399 {
400  // count PXS of given material
401  int32_t result = 0;
402  for (size_t i = 0; i < Count; i++)
403  {
404  if (PXS[i].Mat == mat) ++result;
405  }
406  return result;
407 }
size_t Count
Definition: C4PXS.h:44
C4PXS PXS[PXSMax]
Definition: C4PXS.h:46
int32_t C4PXSSystem::GetCount ( int32_t  mat,
int32_t  x,
int32_t  y,
int32_t  wdt,
int32_t  hgt 
) const

Definition at line 409 of file C4PXS.cpp.

References Count, Inside(), C4PXS::Mat, MNone, PXS, C4PXS::x, and C4PXS::y.

410 {
411  // count PXS of given material in given area
412  int32_t result = 0;
413  for (size_t i = 0; i < Count; i++)
414  {
415  const C4PXS *pxp = &PXS[i];
416  if (pxp->Mat == mat || mat == MNone)
417  if (Inside(pxp->x, x, x + wdt - 1) && Inside(pxp->y, y, y + hgt - 1))
418  ++result;
419  }
420  return result;
421 }
Definition: C4PXS.h:25
C4Real y
Definition: C4PXS.h:30
size_t Count
Definition: C4PXS.h:44
const int32_t MNone
Definition: C4Constants.h:177
C4PXS PXS[PXSMax]
Definition: C4PXS.h:46
int32_t Mat
Definition: C4PXS.h:29
C4Real x
Definition: C4PXS.h:30
bool Inside(T ival, U lbound, V rbound)
Definition: Standard.h:43

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bool C4PXSSystem::Load ( C4Group hGroup)

Definition at line 358 of file C4PXS.cpp.

References C4Group::AccessEntry(), C4CFN_PXS, Clear(), Count, FLOAT_TO_FIXED(), C4PXS::Mat, MNone, PXS, PXSMax, C4Group::Read(), C4PXS::x, C4PXS::xdir, C4PXS::y, and C4PXS::ydir.

Referenced by C4Game::InitGame().

359 {
360  // load new
361  size_t iBinSize, PXSNum;
362  if (!hGroup.AccessEntry(C4CFN_PXS,&iBinSize)) return false;
363  // clear previous
364  Clear();
365  // using C4Real or float?
366  int32_t iNumForm = 1;
367  if (iBinSize % sizeof(C4PXS) == 4)
368  {
369  if (!hGroup.Read(&iNumForm, sizeof (iNumForm))) return false;
370  if (!Inside<int32_t>(iNumForm, 1, 2)) return false;
371  iBinSize -= 4;
372  }
373  // old pxs-files have no tag for the number format
374  else if (iBinSize % sizeof(C4PXS) != 0) return false;
375  // calc chunk count
376  PXSNum = iBinSize / sizeof(C4PXS);
377  if (PXSNum > PXSMax) return false;
378  if (!hGroup.Read(PXS, iBinSize)) return false;
379  // count the PXS, Peter!
380  Count = PXSNum;
381  // convert num format, if neccessary
382  for (size_t i = 0; i < Count; i++)
383  {
384  C4PXS *pxp = &PXS[i];
385  if (pxp->Mat != MNone)
386  {
387  // convert number format
388 #ifdef C4REAL_USE_FIXNUM
389  if (iNumForm == 2) { FLOAT_TO_FIXED(&pxp->x); FLOAT_TO_FIXED(&pxp->y); FLOAT_TO_FIXED(&pxp->xdir); FLOAT_TO_FIXED(&pxp->ydir); }
390 #else
391  if (iNumForm == 1) { FIXED_TO_FLOAT(&pxp->x); FIXED_TO_FLOAT(&pxp->y); FIXED_TO_FLOAT(&pxp->xdir); FIXED_TO_FLOAT(&pxp->ydir); }
392 #endif
393  }
394  }
395  return true;
396 }
const size_t PXSMax
Definition: C4PXS.h:36
bool AccessEntry(const char *szWildCard, size_t *iSize=nullptr, char *sFileName=nullptr, bool NeedsToBeAGroup=false)
Definition: C4Group.cpp:1695
Definition: C4PXS.h:25
C4Real y
Definition: C4PXS.h:30
size_t Count
Definition: C4PXS.h:44
C4Real ydir
Definition: C4PXS.h:30
const int32_t MNone
Definition: C4Constants.h:177
void Clear()
Definition: C4PXS.cpp:163
C4PXS PXS[PXSMax]
Definition: C4PXS.h:46
int32_t Mat
Definition: C4PXS.h:29
C4Real xdir
Definition: C4PXS.h:30
C4Real x
Definition: C4PXS.h:30
#define C4CFN_PXS
Definition: C4Components.h:75
void FLOAT_TO_FIXED(C4Real *pVal)
Definition: C4Real.h:318
bool Read(void *pBuffer, size_t iSize) override
Definition: C4Group.cpp:1125

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C4PXS * C4PXSSystem::New ( )
protected

Definition at line 168 of file C4PXS.cpp.

References Count, PXS, and PXSMax.

Referenced by Create().

169 {
170  if (Count < PXSMax)
171  return &PXS[Count++];
172  return nullptr;
173 }
const size_t PXSMax
Definition: C4PXS.h:36
size_t Count
Definition: C4PXS.h:44
C4PXS PXS[PXSMax]
Definition: C4PXS.h:46

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bool C4PXSSystem::Save ( C4Group hGroup)

Definition at line 325 of file C4PXS.cpp.

References C4Config::AtTempPath(), C4CFN_PXS, C4CFN_TempPXS, CStdFile::Close(), Config, Count, CStdFile::Create(), C4Group::Delete(), C4Group::Move(), PXS, and CStdFile::Write().

Referenced by C4Game::LoadScenarioSection().

326 {
327  if (Count == 0)
328  {
329  hGroup.Delete(C4CFN_PXS);
330  return true;
331  }
332 
333  // Save chunks to temp file
334  CStdFile hTempFile;
335  if (!hTempFile.Create(Config.AtTempPath(C4CFN_TempPXS)))
336  return false;
337 #ifdef C4REAL_USE_FIXNUM
338  int32_t iNumFormat = 1;
339 #else
340  int32_t iNumFormat = 2;
341 #endif
342  if (!hTempFile.Write(&iNumFormat, sizeof (iNumFormat)))
343  return false;
344  if (!hTempFile.Write(PXS, Count * sizeof(C4PXS)))
345  return false;
346 
347  if (!hTempFile.Close())
348  return false;
349 
350  // Move temp file to group
351  if (!hGroup.Move( Config.AtTempPath(C4CFN_TempPXS),
352  C4CFN_PXS ))
353  return false;
354 
355  return true;
356 }
bool Close(StdBuf **ppMemory=nullptr)
Definition: CStdFile.cpp:151
C4Config Config
Definition: C4Config.cpp:833
bool Create(const char *szFileName, bool fCompressed=false, bool fExecutable=false, bool fMemory=false)
Definition: CStdFile.cpp:49
Definition: C4PXS.h:25
bool Delete(const char *szFiles, bool fRecursive=false)
Definition: C4Group.cpp:1334
size_t Count
Definition: C4PXS.h:44
bool Write(const void *pBuffer, int iSize)
Definition: CStdFile.cpp:240
bool Move(const char *szFile, const char *szAddAs)
Definition: C4Group.cpp:1325
C4PXS PXS[PXSMax]
Definition: C4PXS.h:46
#define C4CFN_PXS
Definition: C4Components.h:75
const char * AtTempPath(const char *szFilename)
Definition: C4Config.cpp:540
#define C4CFN_TempPXS
Definition: C4Components.h:158

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Member Data Documentation

size_t C4PXSSystem::Count

Definition at line 44 of file C4PXS.h.

Referenced by Clear(), Default(), Draw(), Execute(), GetCount(), Load(), New(), Save(), and C4ControlSyncCheck::Set().

C4PXS C4PXSSystem::PXS[PXSMax]
protected

Definition at line 46 of file C4PXS.h.

Referenced by Draw(), Execute(), GetCount(), Load(), New(), and Save().


The documentation for this class was generated from the following files: