/* ** r_interpolate.cpp ** ** Movement interpolation ** **--------------------------------------------------------------------------- ** Copyright 2008 Christoph Oelckers ** All rights reserved. ** ** Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions ** are met: ** ** 1. Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** 2. Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in the ** documentation and/or other materials provided with the distribution. ** 3. The name of the author may not be used to endorse or promote products ** derived from this software without specific prior written permission. ** ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. **--------------------------------------------------------------------------- ** */ #include "p_3dmidtex.h" #include "stats.h" #include "r_data/r_interpolate.h" #include "p_local.h" #include "i_system.h" #include "po_man.h" #include "serializer.h" //========================================================================== // // // //========================================================================== class DSectorPlaneInterpolation : public DInterpolation { DECLARE_CLASS(DSectorPlaneInterpolation, DInterpolation) sector_t *sector; double oldheight, oldtexz; double bakheight, baktexz; bool ceiling; TArray attached; public: DSectorPlaneInterpolation() {} DSectorPlaneInterpolation(sector_t *sector, bool plane, bool attach); void Destroy(); void UpdateInterpolation(); void Restore(); void Interpolate(double smoothratio); virtual void Serialize(FSerializer &arc); size_t PointerSubstitution (DObject *old, DObject *notOld); size_t PropagateMark(); }; //========================================================================== // // // //========================================================================== class DSectorScrollInterpolation : public DInterpolation { DECLARE_CLASS(DSectorScrollInterpolation, DInterpolation) sector_t *sector; double oldx, oldy; double bakx, baky; bool ceiling; public: DSectorScrollInterpolation() {} DSectorScrollInterpolation(sector_t *sector, bool plane); void Destroy(); void UpdateInterpolation(); void Restore(); void Interpolate(double smoothratio); virtual void Serialize(FSerializer &arc); }; //========================================================================== // // // //========================================================================== class DWallScrollInterpolation : public DInterpolation { DECLARE_CLASS(DWallScrollInterpolation, DInterpolation) side_t *side; int part; double oldx, oldy; double bakx, baky; public: DWallScrollInterpolation() {} DWallScrollInterpolation(side_t *side, int part); void Destroy(); void UpdateInterpolation(); void Restore(); void Interpolate(double smoothratio); virtual void Serialize(FSerializer &arc); }; //========================================================================== // // // //========================================================================== class DPolyobjInterpolation : public DInterpolation { DECLARE_CLASS(DPolyobjInterpolation, DInterpolation) FPolyObj *poly; TArray oldverts, bakverts; double oldcx, oldcy; double bakcx, bakcy; public: DPolyobjInterpolation() {} DPolyobjInterpolation(FPolyObj *poly); void Destroy(); void UpdateInterpolation(); void Restore(); void Interpolate(double smoothratio); virtual void Serialize(FSerializer &arc); }; //========================================================================== // // // //========================================================================== IMPLEMENT_CLASS(DInterpolation, true, true, false, false) IMPLEMENT_POINTERS_START(DInterpolation) IMPLEMENT_POINTER(Next) IMPLEMENT_POINTER(Prev) IMPLEMENT_POINTERS_END IMPLEMENT_CLASS(DSectorPlaneInterpolation, false, false, false, false) IMPLEMENT_CLASS(DSectorScrollInterpolation, false, false, false, false) IMPLEMENT_CLASS(DWallScrollInterpolation, false, false, false, false) IMPLEMENT_CLASS(DPolyobjInterpolation, false, false, false, false) //========================================================================== // // Important note: // The linked list of interpolations and the pointers in the interpolated // objects are not processed by the garbage collector. This is intentional! // // If an interpolation is no longer owned by any thinker it should // be destroyed even if the interpolator still has a link to it. // // When such an interpolation is destroyed by the garbage collector it // will automatically be unlinked from the list. // //========================================================================== FInterpolator interpolator; //========================================================================== // // // //========================================================================== int FInterpolator::CountInterpolations () { return count; } //========================================================================== // // // //========================================================================== void FInterpolator::UpdateInterpolations() { for (DInterpolation *probe = Head; probe != NULL; probe = probe->Next) { probe->UpdateInterpolation (); } } //========================================================================== // // // //========================================================================== void FInterpolator::AddInterpolation(DInterpolation *interp) { interp->Next = Head; if (Head != NULL) Head->Prev = interp; interp->Prev = NULL; Head = interp; count++; } //========================================================================== // // // //========================================================================== void FInterpolator::RemoveInterpolation(DInterpolation *interp) { if (Head == interp) { Head = interp->Next; if (Head != NULL) Head->Prev = NULL; } else { if (interp->Prev != NULL) interp->Prev->Next = interp->Next; if (interp->Next != NULL) interp->Next->Prev = interp->Prev; } interp->Next = NULL; interp->Prev = NULL; count--; } //========================================================================== // // // //========================================================================== void FInterpolator::DoInterpolations(double smoothratio) { if (smoothratio >= 1.) { didInterp = false; return; } didInterp = true; DInterpolation *probe = Head; while (probe != NULL) { DInterpolation *next = probe->Next; probe->Interpolate(smoothratio); probe = next; } } //========================================================================== // // // //========================================================================== void FInterpolator::RestoreInterpolations() { if (didInterp) { didInterp = false; for (DInterpolation *probe = Head; probe != NULL; probe = probe->Next) { probe->Restore(); } } } //========================================================================== // // // //========================================================================== void FInterpolator::ClearInterpolations() { DInterpolation *probe = Head; Head = NULL; while (probe != NULL) { DInterpolation *next = probe->Next; probe->Next = probe->Prev = NULL; probe->Destroy(); probe = next; } } //========================================================================== // // // //========================================================================== //========================================================================== // // // //========================================================================== DInterpolation::DInterpolation() { Next = NULL; Prev = NULL; refcount = 0; } //========================================================================== // // // //========================================================================== int DInterpolation::AddRef() { return ++refcount; } //========================================================================== // // // //========================================================================== int DInterpolation::DelRef(bool force) { if (refcount > 0) --refcount; if (force && refcount == 0) Destroy(); return refcount; } //========================================================================== // // // //========================================================================== void DInterpolation::Destroy() { interpolator.RemoveInterpolation(this); refcount = 0; Super::Destroy(); } //========================================================================== // // // //========================================================================== void DInterpolation::Serialize(FSerializer &arc) { Super::Serialize(arc); arc("refcount", refcount); if (arc.isReading()) { interpolator.AddInterpolation(this); } } //========================================================================== // // // //========================================================================== //========================================================================== // // // //========================================================================== DSectorPlaneInterpolation::DSectorPlaneInterpolation(sector_t *_sector, bool _plane, bool attach) { sector = _sector; ceiling = _plane; UpdateInterpolation (); if (attach) { P_Start3dMidtexInterpolations(attached, sector, ceiling); P_StartLinkedSectorInterpolations(attached, sector, ceiling); } interpolator.AddInterpolation(this); } //========================================================================== // // // //========================================================================== void DSectorPlaneInterpolation::Destroy() { if (sector != nullptr) { if (ceiling) { sector->interpolations[sector_t::CeilingMove] = nullptr; } else { sector->interpolations[sector_t::FloorMove] = nullptr; } sector = nullptr; } for(unsigned i=0; iDelRef(); } Super::Destroy(); } //========================================================================== // // // //========================================================================== void DSectorPlaneInterpolation::UpdateInterpolation() { if (!ceiling) { oldheight = sector->floorplane.fD(); oldtexz = sector->GetPlaneTexZ(sector_t::floor); } else { oldheight = sector->ceilingplane.fD(); oldtexz = sector->GetPlaneTexZ(sector_t::ceiling); } } //========================================================================== // // // //========================================================================== void DSectorPlaneInterpolation::Restore() { if (!ceiling) { sector->floorplane.setD(bakheight); sector->SetPlaneTexZ(sector_t::floor, baktexz); } else { sector->ceilingplane.setD(bakheight); sector->SetPlaneTexZ(sector_t::ceiling, baktexz); } P_RecalculateAttached3DFloors(sector); sector->CheckPortalPlane(ceiling? sector_t::ceiling : sector_t::floor); } //========================================================================== // // // //========================================================================== void DSectorPlaneInterpolation::Interpolate(double smoothratio) { secplane_t *pplane; int pos; if (!ceiling) { pplane = §or->floorplane; pos = sector_t::floor; } else { pplane = §or->ceilingplane; pos = sector_t::ceiling; } bakheight = pplane->fD(); baktexz = sector->GetPlaneTexZ(pos); if (refcount == 0 && oldheight == bakheight) { Destroy(); } else { pplane->setD(oldheight + (bakheight - oldheight) * smoothratio); sector->SetPlaneTexZ(pos, oldtexz + (baktexz - oldtexz) * smoothratio); P_RecalculateAttached3DFloors(sector); sector->CheckPortalPlane(pos); } } //========================================================================== // // // //========================================================================== void DSectorPlaneInterpolation::Serialize(FSerializer &arc) { Super::Serialize(arc); arc("sector", sector) ("ceiling", ceiling) ("oldheight", oldheight) ("oldtexz", oldtexz) ("attached", attached); } //========================================================================== // // // //========================================================================== size_t DSectorPlaneInterpolation::PointerSubstitution (DObject *old, DObject *notOld) { int subst = 0; for(unsigned i=0; iinterpolations[sector_t::CeilingScroll] = nullptr; } else { sector->interpolations[sector_t::FloorScroll] = nullptr; } sector = nullptr; } Super::Destroy(); } //========================================================================== // // // //========================================================================== void DSectorScrollInterpolation::UpdateInterpolation() { oldx = sector->GetXOffset(ceiling); oldy = sector->GetYOffset(ceiling, false); } //========================================================================== // // // //========================================================================== void DSectorScrollInterpolation::Restore() { sector->SetXOffset(ceiling, bakx); sector->SetYOffset(ceiling, baky); } //========================================================================== // // // //========================================================================== void DSectorScrollInterpolation::Interpolate(double smoothratio) { bakx = sector->GetXOffset(ceiling); baky = sector->GetYOffset(ceiling, false); if (refcount == 0 && oldx == bakx && oldy == baky) { Destroy(); } else { sector->SetXOffset(ceiling, oldx + (bakx - oldx) * smoothratio); sector->SetYOffset(ceiling, oldy + (baky - oldy) * smoothratio); } } //========================================================================== // // // //========================================================================== void DSectorScrollInterpolation::Serialize(FSerializer &arc) { Super::Serialize(arc); arc("sector", sector) ("ceiling", ceiling) ("oldx", oldx) ("oldy", oldy); } //========================================================================== // // // //========================================================================== //========================================================================== // // // //========================================================================== DWallScrollInterpolation::DWallScrollInterpolation(side_t *_side, int _part) { side = _side; part = _part; UpdateInterpolation (); interpolator.AddInterpolation(this); } //========================================================================== // // // //========================================================================== void DWallScrollInterpolation::Destroy() { if (side != nullptr) { side->textures[part].interpolation = nullptr; side = nullptr; } Super::Destroy(); } //========================================================================== // // // //========================================================================== void DWallScrollInterpolation::UpdateInterpolation() { oldx = side->GetTextureXOffset(part); oldy = side->GetTextureYOffset(part); } //========================================================================== // // // //========================================================================== void DWallScrollInterpolation::Restore() { side->SetTextureXOffset(part, bakx); side->SetTextureYOffset(part, baky); } //========================================================================== // // // //========================================================================== void DWallScrollInterpolation::Interpolate(double smoothratio) { bakx = side->GetTextureXOffset(part); baky = side->GetTextureYOffset(part); if (refcount == 0 && oldx == bakx && oldy == baky) { Destroy(); } else { side->SetTextureXOffset(part, oldx + (bakx - oldx) * smoothratio); side->SetTextureYOffset(part, oldy + (baky - oldy) * smoothratio); } } //========================================================================== // // // //========================================================================== void DWallScrollInterpolation::Serialize(FSerializer &arc) { Super::Serialize(arc); arc("side", side) ("part", part) ("oldx", oldx) ("oldy", oldy); } //========================================================================== // // // //========================================================================== //========================================================================== // // // //========================================================================== DPolyobjInterpolation::DPolyobjInterpolation(FPolyObj *po) { poly = po; oldverts.Resize(po->Vertices.Size() << 1); bakverts.Resize(po->Vertices.Size() << 1); UpdateInterpolation (); interpolator.AddInterpolation(this); } //========================================================================== // // // //========================================================================== void DPolyobjInterpolation::Destroy() { if (poly != nullptr) { poly->interpolation = nullptr; } Super::Destroy(); } //========================================================================== // // // //========================================================================== void DPolyobjInterpolation::UpdateInterpolation() { for(unsigned int i = 0; i < poly->Vertices.Size(); i++) { oldverts[i*2 ] = poly->Vertices[i]->fX(); oldverts[i*2+1] = poly->Vertices[i]->fY(); } oldcx = poly->CenterSpot.pos.X; oldcy = poly->CenterSpot.pos.Y; } //========================================================================== // // // //========================================================================== void DPolyobjInterpolation::Restore() { for(unsigned int i = 0; i < poly->Vertices.Size(); i++) { poly->Vertices[i]->set(bakverts[i*2 ], bakverts[i*2+1]); } poly->CenterSpot.pos.X = bakcx; poly->CenterSpot.pos.Y = bakcy; poly->ClearSubsectorLinks(); } //========================================================================== // // // //========================================================================== void DPolyobjInterpolation::Interpolate(double smoothratio) { bool changed = false; for(unsigned int i = 0; i < poly->Vertices.Size(); i++) { bakverts[i*2 ] = poly->Vertices[i]->fX(); bakverts[i*2+1] = poly->Vertices[i]->fY(); if (bakverts[i * 2] != oldverts[i * 2] || bakverts[i * 2 + 1] != oldverts[i * 2 + 1]) { changed = true; poly->Vertices[i]->set( oldverts[i * 2] + (bakverts[i * 2] - oldverts[i * 2]) * smoothratio, oldverts[i * 2 + 1] + (bakverts[i * 2 + 1] - oldverts[i * 2 + 1]) * smoothratio); } } if (refcount == 0 && !changed) { Destroy(); } else { bakcx = poly->CenterSpot.pos.X; bakcy = poly->CenterSpot.pos.Y; poly->CenterSpot.pos.X = bakcx + (bakcx - oldcx) * smoothratio; poly->CenterSpot.pos.Y = bakcy + (bakcy - oldcy) * smoothratio; poly->ClearSubsectorLinks(); } } //========================================================================== // // // //========================================================================== void DPolyobjInterpolation::Serialize(FSerializer &arc) { Super::Serialize(arc); arc("poly", poly) ("oldverts", oldverts) ("oldcx", oldcx) ("oldcy", oldcy); if (arc.isReading()) bakverts.Resize(oldverts.Size()); } //========================================================================== // // // //========================================================================== DInterpolation *side_t::SetInterpolation(int position) { if (textures[position].interpolation == NULL) { textures[position].interpolation = new DWallScrollInterpolation(this, position); } textures[position].interpolation->AddRef(); GC::WriteBarrier(textures[position].interpolation); return textures[position].interpolation; } //========================================================================== // // // //========================================================================== void side_t::StopInterpolation(int position) { if (textures[position].interpolation != NULL) { textures[position].interpolation->DelRef(); } } //========================================================================== // // // //========================================================================== DInterpolation *sector_t::SetInterpolation(int position, bool attach) { if (interpolations[position] == NULL) { DInterpolation *interp; switch (position) { case sector_t::CeilingMove: interp = new DSectorPlaneInterpolation(this, true, attach); break; case sector_t::FloorMove: interp = new DSectorPlaneInterpolation(this, false, attach); break; case sector_t::CeilingScroll: interp = new DSectorScrollInterpolation(this, true); break; case sector_t::FloorScroll: interp = new DSectorScrollInterpolation(this, false); break; default: return NULL; } interpolations[position] = interp; } interpolations[position]->AddRef(); GC::WriteBarrier(interpolations[position]); return interpolations[position]; } //========================================================================== // // // //========================================================================== DInterpolation *FPolyObj::SetInterpolation() { if (interpolation != NULL) { interpolation->AddRef(); } else { interpolation = new DPolyobjInterpolation(this); interpolation->AddRef(); } GC::WriteBarrier(interpolation); return interpolation; } //========================================================================== // // // //========================================================================== void FPolyObj::StopInterpolation() { if (interpolation != NULL) { interpolation->DelRef(); } } ADD_STAT (interpolations) { FString out; out.Format ("%d interpolations", interpolator.CountInterpolations ()); return out; }