mirror of
https://github.com/ZDoom/qzdoom-gpl.git
synced 2024-11-16 17:21:24 +00:00
1599 lines
38 KiB
C++
1599 lines
38 KiB
C++
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//**************************************************************************
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//**
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//** PO_MAN.C : Heretic 2 : Raven Software, Corp.
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//**
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//** $RCSfile: po_man.c,v $
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//** $Revision: 1.22 $
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//** $Date: 95/09/28 18:20:56 $
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//** $Author: cjr $
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//**
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//**************************************************************************
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// HEADER FILES ------------------------------------------------------------
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#include "doomdef.h"
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#include "p_local.h"
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#include "r_local.h"
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#include "i_system.h"
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#include "w_wad.h"
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#include "m_swap.h"
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#include "m_bbox.h"
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#include "tables.h"
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#include "s_sndseq.h"
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#include "a_sharedglobal.h"
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#include "r_main.h"
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// MACROS ------------------------------------------------------------------
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#define PO_MAXPOLYSEGS 64
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// TYPES -------------------------------------------------------------------
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// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
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BOOL PO_MovePolyobj (int num, int x, int y);
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BOOL PO_RotatePolyobj (int num, angle_t angle);
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void PO_Init (void);
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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static polyobj_t *GetPolyobj (int polyNum);
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static int GetPolyobjMirror (int poly);
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static void UpdateSegBBox (seg_t *seg);
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static void RotatePt (int an, fixed_t *x, fixed_t *y, fixed_t startSpotX,
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fixed_t startSpotY);
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static void UnLinkPolyobj (polyobj_t *po);
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static void LinkPolyobj (polyobj_t *po);
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static BOOL CheckMobjBlocking (seg_t *seg, polyobj_t *po);
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static void InitBlockMap (void);
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static void IterFindPolySegs (vertex_t *v1, vertex_t *v2, seg_t **segList);
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static void SpawnPolyobj (int index, int tag, int type);
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static void TranslateToStartSpot (int tag, int originX, int originY);
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static void DoMovePolyobj (polyobj_t *po, int x, int y);
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static void InitSegLists ();
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static void KillSegLists ();
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// EXTERNAL DATA DECLARATIONS ----------------------------------------------
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extern seg_t *segs;
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// PUBLIC DATA DEFINITIONS -------------------------------------------------
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polyblock_t **PolyBlockMap;
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polyobj_t *polyobjs; // list of all poly-objects on the level
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int po_NumPolyobjs;
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polyspawns_t *polyspawns; // [RH] Let P_SpawnMapThings() find our thingies for us
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// PRIVATE DATA DEFINITIONS ------------------------------------------------
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static int PolySegCount;
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static SDWORD *SegListHead; // contains numvertexes elements
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static TArray<SDWORD> KnownPolySegs;
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// CODE --------------------------------------------------------------------
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IMPLEMENT_CLASS (DPolyAction)
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IMPLEMENT_CLASS (DRotatePoly)
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IMPLEMENT_CLASS (DMovePoly)
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IMPLEMENT_CLASS (DPolyDoor)
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DPolyAction::DPolyAction ()
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{
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}
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void DPolyAction::Serialize (FArchive &arc)
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{
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Super::Serialize (arc);
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arc << m_PolyObj << m_Speed << m_Dist;
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}
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DPolyAction::DPolyAction (int polyNum)
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{
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m_PolyObj = polyNum;
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m_Speed = 0;
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m_Dist = 0;
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SetInterpolation ();
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}
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DPolyAction::~DPolyAction ()
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{
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polyobj_t *poly = GetPolyobj (m_PolyObj);
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if (poly->specialdata == NULL || poly->specialdata == this)
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{
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poly->specialdata = NULL;
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StopInterpolation ();
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}
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}
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void DPolyAction::SetInterpolation ()
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{
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polyobj_t *poly = GetPolyobj (m_PolyObj);
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for (int i = 0; i < poly->numsegs; ++i)
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{
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setinterpolation (INTERP_Vertex, poly->segs[i]->v1);
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setinterpolation (INTERP_Vertex, poly->segs[i]->v2);
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}
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}
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void DPolyAction::StopInterpolation ()
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{
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polyobj_t *poly = GetPolyobj (m_PolyObj);
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for (int i = 0; i < poly->numsegs; ++i)
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{
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stopinterpolation (INTERP_Vertex, poly->segs[i]->v1);
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stopinterpolation (INTERP_Vertex, poly->segs[i]->v2);
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}
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}
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DRotatePoly::DRotatePoly ()
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{
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}
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DRotatePoly::DRotatePoly (int polyNum)
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: Super (polyNum)
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{
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}
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DMovePoly::DMovePoly ()
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{
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}
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void DMovePoly::Serialize (FArchive &arc)
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{
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Super::Serialize (arc);
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arc << m_Angle << m_xSpeed << m_ySpeed;
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}
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DMovePoly::DMovePoly (int polyNum)
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: Super (polyNum)
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{
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m_Angle = 0;
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m_xSpeed = 0;
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m_ySpeed = 0;
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}
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DPolyDoor::DPolyDoor ()
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{
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}
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void DPolyDoor::Serialize (FArchive &arc)
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{
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Super::Serialize (arc);
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arc << m_Direction << m_TotalDist << m_Tics << m_WaitTics << m_Type << m_Close;
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}
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DPolyDoor::DPolyDoor (int polyNum, podoortype_t type)
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: Super (polyNum), m_Type (type)
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{
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m_Direction = 0;
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m_TotalDist = 0;
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m_Tics = 0;
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m_WaitTics = 0;
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m_Close = false;
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}
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// ===== Polyobj Event Code =====
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//==========================================================================
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//
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// T_RotatePoly
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//
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//==========================================================================
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void DRotatePoly::Tick ()
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{
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if (PO_RotatePolyobj (m_PolyObj, m_Speed))
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{
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unsigned int absSpeed = abs (m_Speed);
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if ((unsigned int)m_Dist == ~0u)
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{ // perpetual polyobj
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return;
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}
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m_Dist -= absSpeed;
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if (m_Dist == 0)
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{
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polyobj_t *poly = GetPolyobj (m_PolyObj);
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if (poly->specialdata == this)
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{
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poly->specialdata = NULL;
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}
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SN_StopSequence (poly);
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Destroy ();
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}
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else if ((unsigned int)m_Dist < absSpeed)
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{
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m_Speed = m_Dist * (m_Speed < 0 ? -1 : 1);
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}
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}
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}
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//==========================================================================
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//
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// EV_RotatePoly
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//
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//==========================================================================
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bool EV_RotatePoly (line_t *line, int polyNum, int speed, int byteAngle,
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int direction, BOOL overRide)
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{
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int mirror;
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DRotatePoly *pe;
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polyobj_t *poly;
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if ( (poly = GetPolyobj(polyNum)) )
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{
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if (poly->specialdata && !overRide)
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{ // poly is already moving
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return false;
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}
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}
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else
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{
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I_Error("EV_RotatePoly: Invalid polyobj num: %d\n", polyNum);
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}
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pe = new DRotatePoly (polyNum);
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if (byteAngle)
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{
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if (byteAngle == 255)
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{
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pe->m_Dist = ~0;
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}
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else
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{
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pe->m_Dist = byteAngle*(ANGLE_90/64); // Angle
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}
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}
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else
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{
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pe->m_Dist = ANGLE_MAX-1;
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}
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pe->m_Speed = (speed*direction*(ANGLE_90/64))>>3;
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poly->specialdata = pe;
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SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
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while ( (mirror = GetPolyobjMirror( polyNum)) )
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{
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poly = GetPolyobj(mirror);
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if (poly == NULL)
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{
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I_Error ("EV_RotatePoly: Invalid polyobj num: %d\n", polyNum);
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}
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if (poly && poly->specialdata && !overRide)
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{ // mirroring poly is already in motion
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break;
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}
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pe = new DRotatePoly (mirror);
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poly->specialdata = pe;
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if (byteAngle)
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{
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if (byteAngle == 255)
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{
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pe->m_Dist = ~0;
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}
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else
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{
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pe->m_Dist = byteAngle*(ANGLE_90/64); // Angle
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}
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}
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else
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{
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pe->m_Dist = ANGLE_MAX-1;
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}
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direction = -direction;
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pe->m_Speed = (speed*direction*(ANGLE_90/64))>>3;
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polyNum = mirror;
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SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
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}
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return true;
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}
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//==========================================================================
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//
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// T_MovePoly
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//
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//==========================================================================
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void DMovePoly::Tick ()
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{
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polyobj_t *poly;
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if (PO_MovePolyobj (m_PolyObj, m_xSpeed, m_ySpeed))
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{
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int absSpeed = abs (m_Speed);
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m_Dist -= absSpeed;
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if (m_Dist <= 0)
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{
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poly = GetPolyobj (m_PolyObj);
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if (poly->specialdata == this)
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{
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poly->specialdata = NULL;
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}
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SN_StopSequence (poly);
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Destroy ();
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}
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else if (m_Dist < absSpeed)
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{
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m_Speed = m_Dist * (m_Speed < 0 ? -1 : 1);
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m_xSpeed = FixedMul (m_Speed, finecosine[m_Angle]);
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m_ySpeed = FixedMul (m_Speed, finesine[m_Angle]);
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}
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}
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}
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//==========================================================================
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//
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// EV_MovePoly
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//
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//==========================================================================
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bool EV_MovePoly (line_t *line, int polyNum, int speed, angle_t angle,
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fixed_t dist, BOOL overRide)
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{
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int mirror;
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DMovePoly *pe;
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polyobj_t *poly;
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angle_t an;
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if ( (poly = GetPolyobj(polyNum)) )
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{
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if (poly->specialdata && !overRide)
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{ // poly is already moving
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return false;
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}
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}
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else
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{
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I_Error("EV_MovePoly: Invalid polyobj num: %d\n", polyNum);
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}
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pe = new DMovePoly (polyNum);
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pe->m_Dist = dist; // Distance
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pe->m_Speed = speed;
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poly->specialdata = pe;
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an = angle;
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pe->m_Angle = an>>ANGLETOFINESHIFT;
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pe->m_xSpeed = FixedMul (pe->m_Speed, finecosine[pe->m_Angle]);
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pe->m_ySpeed = FixedMul (pe->m_Speed, finesine[pe->m_Angle]);
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SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
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// Do not interpolate very fast moving polyobjects. The minimum tic count is
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// 3 instead of 2, because the moving crate effect in Massmouth 2, Hostitality
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// that this fixes isn't quite fast enough to move the crate back to its start
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// in just 1 tic.
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if (dist/speed <= 2)
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{
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pe->StopInterpolation ();
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}
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while ( (mirror = GetPolyobjMirror(polyNum)) )
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{
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poly = GetPolyobj(mirror);
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if (poly && poly->specialdata && !overRide)
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{ // mirroring poly is already in motion
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break;
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}
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pe = new DMovePoly (mirror);
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poly->specialdata = pe;
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pe->m_Dist = dist; // Distance
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pe->m_Speed = speed;
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an = an+ANGLE_180; // reverse the angle
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pe->m_Angle = an>>ANGLETOFINESHIFT;
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pe->m_xSpeed = FixedMul (pe->m_Speed, finecosine[pe->m_Angle]);
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pe->m_ySpeed = FixedMul (pe->m_Speed, finesine[pe->m_Angle]);
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polyNum = mirror;
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SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
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if (dist/speed <= 2)
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{
|
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pe->StopInterpolation ();
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||
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}
|
||
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}
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||
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return true;
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||
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}
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||
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//==========================================================================
|
||
|
|
//
|
||
|
|
// T_PolyDoor
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
void DPolyDoor::Tick ()
|
||
|
|
{
|
||
|
|
int absSpeed;
|
||
|
|
polyobj_t *poly;
|
||
|
|
|
||
|
|
if (m_Tics)
|
||
|
|
{
|
||
|
|
if (!--m_Tics)
|
||
|
|
{
|
||
|
|
poly = GetPolyobj (m_PolyObj);
|
||
|
|
SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
switch (m_Type)
|
||
|
|
{
|
||
|
|
case PODOOR_SLIDE:
|
||
|
|
if (m_Dist <= 0 || PO_MovePolyobj (m_PolyObj, m_xSpeed, m_ySpeed))
|
||
|
|
{
|
||
|
|
absSpeed = abs (m_Speed);
|
||
|
|
m_Dist -= absSpeed;
|
||
|
|
if (m_Dist <= 0)
|
||
|
|
{
|
||
|
|
poly = GetPolyobj (m_PolyObj);
|
||
|
|
SN_StopSequence (poly);
|
||
|
|
if (!m_Close)
|
||
|
|
{
|
||
|
|
m_Dist = m_TotalDist;
|
||
|
|
m_Close = true;
|
||
|
|
m_Tics = m_WaitTics;
|
||
|
|
m_Direction = (ANGLE_MAX>>ANGLETOFINESHIFT)-
|
||
|
|
m_Direction;
|
||
|
|
m_xSpeed = -m_xSpeed;
|
||
|
|
m_ySpeed = -m_ySpeed;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (poly->specialdata == this)
|
||
|
|
{
|
||
|
|
poly->specialdata = NULL;
|
||
|
|
}
|
||
|
|
Destroy ();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
poly = GetPolyobj (m_PolyObj);
|
||
|
|
if (poly->crush || !m_Close)
|
||
|
|
{ // continue moving if the poly is a crusher, or is opening
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{ // open back up
|
||
|
|
m_Dist = m_TotalDist - m_Dist;
|
||
|
|
m_Direction = (ANGLE_MAX>>ANGLETOFINESHIFT)-
|
||
|
|
m_Direction;
|
||
|
|
m_xSpeed = -m_xSpeed;
|
||
|
|
m_ySpeed = -m_ySpeed;
|
||
|
|
m_Close = false;
|
||
|
|
SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case PODOOR_SWING:
|
||
|
|
if (PO_RotatePolyobj (m_PolyObj, m_Speed))
|
||
|
|
{
|
||
|
|
absSpeed = abs (m_Speed);
|
||
|
|
if (m_Dist == ~0u)
|
||
|
|
{ // perpetual polyobj
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
m_Dist -= absSpeed;
|
||
|
|
if (m_Dist <= 0)
|
||
|
|
{
|
||
|
|
poly = GetPolyobj (m_PolyObj);
|
||
|
|
SN_StopSequence (poly);
|
||
|
|
if (!m_Close)
|
||
|
|
{
|
||
|
|
m_Dist = m_TotalDist;
|
||
|
|
m_Close = true;
|
||
|
|
m_Tics = m_WaitTics;
|
||
|
|
m_Speed = -m_Speed;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (poly->specialdata == this)
|
||
|
|
{
|
||
|
|
poly->specialdata = NULL;
|
||
|
|
}
|
||
|
|
Destroy ();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
poly = GetPolyobj (m_PolyObj);
|
||
|
|
if(poly->crush || !m_Close)
|
||
|
|
{ // continue moving if the poly is a crusher, or is opening
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{ // open back up and rewait
|
||
|
|
m_Dist = m_TotalDist - m_Dist;
|
||
|
|
m_Speed = -m_Speed;
|
||
|
|
m_Close = false;
|
||
|
|
SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// EV_OpenPolyDoor
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
bool EV_OpenPolyDoor (line_t *line, int polyNum, int speed, angle_t angle,
|
||
|
|
int delay, int distance, podoortype_t type)
|
||
|
|
{
|
||
|
|
int mirror;
|
||
|
|
DPolyDoor *pd;
|
||
|
|
polyobj_t *poly;
|
||
|
|
|
||
|
|
if( (poly = GetPolyobj(polyNum)) )
|
||
|
|
{
|
||
|
|
if (poly->specialdata)
|
||
|
|
{ // poly is already moving
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
I_Error("EV_OpenPolyDoor: Invalid polyobj num: %d\n", polyNum);
|
||
|
|
}
|
||
|
|
pd = new DPolyDoor (polyNum, type);
|
||
|
|
if (type == PODOOR_SLIDE)
|
||
|
|
{
|
||
|
|
pd->m_WaitTics = delay;
|
||
|
|
pd->m_Speed = speed;
|
||
|
|
pd->m_Dist = pd->m_TotalDist = distance; // Distance
|
||
|
|
pd->m_Direction = angle >> ANGLETOFINESHIFT;
|
||
|
|
pd->m_xSpeed = FixedMul (pd->m_Speed, finecosine[pd->m_Direction]);
|
||
|
|
pd->m_ySpeed = FixedMul (pd->m_Speed, finesine[pd->m_Direction]);
|
||
|
|
SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
|
||
|
|
}
|
||
|
|
else if (type == PODOOR_SWING)
|
||
|
|
{
|
||
|
|
pd->m_WaitTics = delay;
|
||
|
|
pd->m_Direction = 1; // ADD: PODOOR_SWINGL, PODOOR_SWINGR
|
||
|
|
pd->m_Speed = (speed*pd->m_Direction*(ANGLE_90/64))>>3;
|
||
|
|
pd->m_Dist = pd->m_TotalDist = angle;
|
||
|
|
SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
|
||
|
|
}
|
||
|
|
|
||
|
|
poly->specialdata = pd;
|
||
|
|
|
||
|
|
while ( (mirror = GetPolyobjMirror (polyNum)) )
|
||
|
|
{
|
||
|
|
poly = GetPolyobj (mirror);
|
||
|
|
if (poly && poly->specialdata)
|
||
|
|
{ // mirroring poly is already in motion
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
pd = new DPolyDoor (mirror, type);
|
||
|
|
poly->specialdata = pd;
|
||
|
|
if (type == PODOOR_SLIDE)
|
||
|
|
{
|
||
|
|
pd->m_WaitTics = delay;
|
||
|
|
pd->m_Speed = speed;
|
||
|
|
pd->m_Dist = pd->m_TotalDist = distance; // Distance
|
||
|
|
pd->m_Direction = (angle + ANGLE_180) >> ANGLETOFINESHIFT; // reverse the angle
|
||
|
|
pd->m_xSpeed = FixedMul (pd->m_Speed, finecosine[pd->m_Direction]);
|
||
|
|
pd->m_ySpeed = FixedMul (pd->m_Speed, finesine[pd->m_Direction]);
|
||
|
|
SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
|
||
|
|
}
|
||
|
|
else if (type == PODOOR_SWING)
|
||
|
|
{
|
||
|
|
pd->m_WaitTics = delay;
|
||
|
|
pd->m_Direction = -1; // ADD: same as above
|
||
|
|
pd->m_Speed = (speed*pd->m_Direction*(ANGLE_90/64))>>3;
|
||
|
|
pd->m_Dist = pd->m_TotalDist = angle;
|
||
|
|
SN_StartSequence (poly, poly->seqType, SEQ_DOOR);
|
||
|
|
}
|
||
|
|
polyNum = mirror;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ===== Higher Level Poly Interface code =====
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// GetPolyobj
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static polyobj_t *GetPolyobj (int polyNum)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < po_NumPolyobjs; i++)
|
||
|
|
{
|
||
|
|
if (polyobjs[i].tag == polyNum)
|
||
|
|
{
|
||
|
|
return &polyobjs[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// GetPolyobjMirror
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static int GetPolyobjMirror(int poly)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < po_NumPolyobjs; i++)
|
||
|
|
{
|
||
|
|
if (polyobjs[i].tag == poly)
|
||
|
|
{
|
||
|
|
return (*polyobjs[i].segs)->linedef->args[1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// ThrustMobj
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
void ThrustMobj (AActor *actor, seg_t *seg, polyobj_t *po)
|
||
|
|
{
|
||
|
|
int thrustAngle;
|
||
|
|
int thrustX;
|
||
|
|
int thrustY;
|
||
|
|
DPolyAction *pe;
|
||
|
|
|
||
|
|
int force;
|
||
|
|
|
||
|
|
if (!(actor->flags&MF_SHOOTABLE) && !actor->player)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
thrustAngle =
|
||
|
|
(R_PointToAngle2 (seg->v1->x, seg->v1->y, seg->v2->x, seg->v2->y)
|
||
|
|
- ANGLE_90) >> ANGLETOFINESHIFT;
|
||
|
|
|
||
|
|
pe = static_cast<DPolyAction *>(po->specialdata);
|
||
|
|
if (pe)
|
||
|
|
{
|
||
|
|
if (pe->IsKindOf (RUNTIME_CLASS (DRotatePoly)))
|
||
|
|
{
|
||
|
|
force = pe->m_Speed >> 8;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
force = pe->m_Speed >> 3;
|
||
|
|
}
|
||
|
|
if (force < FRACUNIT)
|
||
|
|
{
|
||
|
|
force = FRACUNIT;
|
||
|
|
}
|
||
|
|
else if (force > 4*FRACUNIT)
|
||
|
|
{
|
||
|
|
force = 4*FRACUNIT;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
force = FRACUNIT;
|
||
|
|
}
|
||
|
|
|
||
|
|
thrustX = FixedMul (force, finecosine[thrustAngle]);
|
||
|
|
thrustY = FixedMul (force, finesine[thrustAngle]);
|
||
|
|
actor->momx += thrustX;
|
||
|
|
actor->momy += thrustY;
|
||
|
|
if (po->crush)
|
||
|
|
{
|
||
|
|
if (po->bHurtOnTouch || !P_CheckPosition (actor, actor->x + thrustX, actor->y + thrustY))
|
||
|
|
{
|
||
|
|
P_DamageMobj (actor, NULL, NULL, po->crush, MOD_CRUSH);
|
||
|
|
P_TraceBleed (po->crush, actor);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// UpdateSegBBox
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void UpdateSegBBox (seg_t *seg)
|
||
|
|
{
|
||
|
|
line_t *line;
|
||
|
|
|
||
|
|
line = seg->linedef;
|
||
|
|
|
||
|
|
if (seg->v1->x < seg->v2->x)
|
||
|
|
{
|
||
|
|
line->bbox[BOXLEFT] = seg->v1->x;
|
||
|
|
line->bbox[BOXRIGHT] = seg->v2->x;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
line->bbox[BOXLEFT] = seg->v2->x;
|
||
|
|
line->bbox[BOXRIGHT] = seg->v1->x;
|
||
|
|
}
|
||
|
|
if (seg->v1->y < seg->v2->y)
|
||
|
|
{
|
||
|
|
line->bbox[BOXBOTTOM] = seg->v1->y;
|
||
|
|
line->bbox[BOXTOP] = seg->v2->y;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
line->bbox[BOXBOTTOM] = seg->v2->y;
|
||
|
|
line->bbox[BOXTOP] = seg->v1->y;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Update the line's slopetype
|
||
|
|
line->dx = line->v2->x - line->v1->x;
|
||
|
|
line->dy = line->v2->y - line->v1->y;
|
||
|
|
if (!line->dx)
|
||
|
|
{
|
||
|
|
line->slopetype = ST_VERTICAL;
|
||
|
|
}
|
||
|
|
else if (!line->dy)
|
||
|
|
{
|
||
|
|
line->slopetype = ST_HORIZONTAL;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
line->slopetype = ((line->dy ^ line->dx) >= 0) ? ST_POSITIVE : ST_NEGATIVE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// PO_MovePolyobj
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
BOOL PO_MovePolyobj (int num, int x, int y)
|
||
|
|
{
|
||
|
|
int count;
|
||
|
|
seg_t **segList;
|
||
|
|
polyobj_t *po;
|
||
|
|
bool blocked;
|
||
|
|
|
||
|
|
if (!(po = GetPolyobj (num)))
|
||
|
|
{
|
||
|
|
I_Error ("PO_MovePolyobj: Invalid polyobj number: %d\n", num);
|
||
|
|
}
|
||
|
|
|
||
|
|
UnLinkPolyobj (po);
|
||
|
|
DoMovePolyobj (po, x, y);
|
||
|
|
|
||
|
|
segList = po->segs;
|
||
|
|
blocked = false;
|
||
|
|
for (count = po->numsegs; count; count--, segList++)
|
||
|
|
{
|
||
|
|
if (CheckMobjBlocking(*segList, po))
|
||
|
|
{
|
||
|
|
blocked = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (blocked)
|
||
|
|
{
|
||
|
|
DoMovePolyobj (po, -x, -y);
|
||
|
|
LinkPolyobj(po);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
po->startSpot[0] += x;
|
||
|
|
po->startSpot[1] += y;
|
||
|
|
LinkPolyobj (po);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// DoMovePolyobj
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
void DoMovePolyobj (polyobj_t *po, int x, int y)
|
||
|
|
{
|
||
|
|
int count;
|
||
|
|
seg_t **segList;
|
||
|
|
seg_t **veryTempSeg;
|
||
|
|
vertex_t *prevPts;
|
||
|
|
|
||
|
|
segList = po->segs;
|
||
|
|
prevPts = po->prevPts;
|
||
|
|
|
||
|
|
validcount++;
|
||
|
|
for (count = po->numsegs; count; count--, segList++, prevPts++)
|
||
|
|
{
|
||
|
|
line_t *linedef = (*segList)->linedef;
|
||
|
|
if (linedef->validcount != validcount)
|
||
|
|
{
|
||
|
|
linedef->bbox[BOXTOP] += y;
|
||
|
|
linedef->bbox[BOXBOTTOM] += y;
|
||
|
|
linedef->bbox[BOXLEFT] += x;
|
||
|
|
linedef->bbox[BOXRIGHT] += x;
|
||
|
|
if (linedef->sidenum[0] != NO_SIDE)
|
||
|
|
ADecal::MoveChain (sides[linedef->sidenum[0]].BoundActors, x, y);
|
||
|
|
if (linedef->sidenum[1] != NO_SIDE)
|
||
|
|
ADecal::MoveChain (sides[linedef->sidenum[1]].BoundActors, x, y);
|
||
|
|
linedef->validcount = validcount;
|
||
|
|
}
|
||
|
|
for (veryTempSeg = po->segs; veryTempSeg != segList; veryTempSeg++)
|
||
|
|
{
|
||
|
|
if ((*veryTempSeg)->v1 == (*segList)->v1)
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (veryTempSeg == segList)
|
||
|
|
{
|
||
|
|
(*segList)->v1->x += x;
|
||
|
|
(*segList)->v1->y += y;
|
||
|
|
}
|
||
|
|
(*prevPts).x += x; // previous points are unique for each seg
|
||
|
|
(*prevPts).y += y;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// RotatePt
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void RotatePt (int an, fixed_t *x, fixed_t *y, fixed_t startSpotX, fixed_t startSpotY)
|
||
|
|
{
|
||
|
|
fixed_t tr_x = *x;
|
||
|
|
fixed_t tr_y = *y;
|
||
|
|
|
||
|
|
*x = DMulScale16 (tr_x, finecosine[an], -tr_y, finesine[an])+startSpotX;
|
||
|
|
*y = DMulScale16 (tr_x, finesine[an], tr_y, finecosine[an])+startSpotY;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// PO_RotatePolyobj
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
BOOL PO_RotatePolyobj (int num, angle_t angle)
|
||
|
|
{
|
||
|
|
int count;
|
||
|
|
seg_t **segList;
|
||
|
|
vertex_t *originalPts;
|
||
|
|
vertex_t *prevPts;
|
||
|
|
int an;
|
||
|
|
polyobj_t *po;
|
||
|
|
BOOL blocked;
|
||
|
|
|
||
|
|
if(!(po = GetPolyobj(num)))
|
||
|
|
{
|
||
|
|
I_Error("PO_RotatePolyobj: Invalid polyobj number: %d\n", num);
|
||
|
|
}
|
||
|
|
an = (po->angle+angle)>>ANGLETOFINESHIFT;
|
||
|
|
|
||
|
|
UnLinkPolyobj(po);
|
||
|
|
|
||
|
|
segList = po->segs;
|
||
|
|
originalPts = po->originalPts;
|
||
|
|
prevPts = po->prevPts;
|
||
|
|
|
||
|
|
for(count = po->numsegs; count; count--, segList++, originalPts++,
|
||
|
|
prevPts++)
|
||
|
|
{
|
||
|
|
prevPts->x = (*segList)->v1->x;
|
||
|
|
prevPts->y = (*segList)->v1->y;
|
||
|
|
(*segList)->v1->x = originalPts->x;
|
||
|
|
(*segList)->v1->y = originalPts->y;
|
||
|
|
RotatePt (an, &(*segList)->v1->x, &(*segList)->v1->y, po->startSpot[0],
|
||
|
|
po->startSpot[1]);
|
||
|
|
}
|
||
|
|
segList = po->segs;
|
||
|
|
blocked = false;
|
||
|
|
validcount++;
|
||
|
|
for (count = po->numsegs; count; count--, segList++)
|
||
|
|
{
|
||
|
|
if (CheckMobjBlocking(*segList, po))
|
||
|
|
{
|
||
|
|
blocked = true;
|
||
|
|
}
|
||
|
|
if ((*segList)->linedef->validcount != validcount)
|
||
|
|
{
|
||
|
|
UpdateSegBBox(*segList);
|
||
|
|
line_t *line = (*segList)->linedef;
|
||
|
|
if (line->sidenum[0] != NO_SIDE)
|
||
|
|
ADecal::FixForSide (&sides[line->sidenum[0]]);
|
||
|
|
if (line->sidenum[1] != NO_SIDE)
|
||
|
|
ADecal::FixForSide (&sides[line->sidenum[1]]);
|
||
|
|
line->validcount = validcount;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (blocked)
|
||
|
|
{
|
||
|
|
segList = po->segs;
|
||
|
|
prevPts = po->prevPts;
|
||
|
|
for (count = po->numsegs; count; count--, segList++, prevPts++)
|
||
|
|
{
|
||
|
|
(*segList)->v1->x = prevPts->x;
|
||
|
|
(*segList)->v1->y = prevPts->y;
|
||
|
|
}
|
||
|
|
segList = po->segs;
|
||
|
|
validcount++;
|
||
|
|
for (count = po->numsegs; count; count--, segList++, prevPts++)
|
||
|
|
{
|
||
|
|
if ((*segList)->linedef->validcount != validcount)
|
||
|
|
{
|
||
|
|
UpdateSegBBox(*segList);
|
||
|
|
line_t *line = (*segList)->linedef;
|
||
|
|
if (line->sidenum[0] != NO_SIDE)
|
||
|
|
ADecal::FixForSide (&sides[line->sidenum[0]]);
|
||
|
|
if (line->sidenum[1] != NO_SIDE)
|
||
|
|
ADecal::FixForSide (&sides[line->sidenum[1]]);
|
||
|
|
line->validcount = validcount;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
LinkPolyobj(po);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
po->angle += angle;
|
||
|
|
LinkPolyobj(po);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// UnLinkPolyobj
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void UnLinkPolyobj (polyobj_t *po)
|
||
|
|
{
|
||
|
|
polyblock_t *link;
|
||
|
|
int i, j;
|
||
|
|
int index;
|
||
|
|
|
||
|
|
// remove the polyobj from each blockmap section
|
||
|
|
for(j = po->bbox[BOXBOTTOM]; j <= po->bbox[BOXTOP]; j++)
|
||
|
|
{
|
||
|
|
index = j*bmapwidth;
|
||
|
|
for(i = po->bbox[BOXLEFT]; i <= po->bbox[BOXRIGHT]; i++)
|
||
|
|
{
|
||
|
|
if(i >= 0 && i < bmapwidth && j >= 0 && j < bmapheight)
|
||
|
|
{
|
||
|
|
link = PolyBlockMap[index+i];
|
||
|
|
while(link != NULL && link->polyobj != po)
|
||
|
|
{
|
||
|
|
link = link->next;
|
||
|
|
}
|
||
|
|
if(link == NULL)
|
||
|
|
{ // polyobj not located in the link cell
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
link->polyobj = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// LinkPolyobj
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void LinkPolyobj (polyobj_t *po)
|
||
|
|
{
|
||
|
|
int leftX, rightX;
|
||
|
|
int topY, bottomY;
|
||
|
|
seg_t **tempSeg;
|
||
|
|
polyblock_t **link;
|
||
|
|
polyblock_t *tempLink;
|
||
|
|
int i, j;
|
||
|
|
|
||
|
|
// calculate the polyobj bbox
|
||
|
|
tempSeg = po->segs;
|
||
|
|
rightX = leftX = (*tempSeg)->v1->x;
|
||
|
|
topY = bottomY = (*tempSeg)->v1->y;
|
||
|
|
|
||
|
|
for(i = 0; i < po->numsegs; i++, tempSeg++)
|
||
|
|
{
|
||
|
|
if((*tempSeg)->v1->x > rightX)
|
||
|
|
{
|
||
|
|
rightX = (*tempSeg)->v1->x;
|
||
|
|
}
|
||
|
|
if((*tempSeg)->v1->x < leftX)
|
||
|
|
{
|
||
|
|
leftX = (*tempSeg)->v1->x;
|
||
|
|
}
|
||
|
|
if((*tempSeg)->v1->y > topY)
|
||
|
|
{
|
||
|
|
topY = (*tempSeg)->v1->y;
|
||
|
|
}
|
||
|
|
if((*tempSeg)->v1->y < bottomY)
|
||
|
|
{
|
||
|
|
bottomY = (*tempSeg)->v1->y;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
po->bbox[BOXRIGHT] = (rightX-bmaporgx)>>MAPBLOCKSHIFT;
|
||
|
|
po->bbox[BOXLEFT] = (leftX-bmaporgx)>>MAPBLOCKSHIFT;
|
||
|
|
po->bbox[BOXTOP] = (topY-bmaporgy)>>MAPBLOCKSHIFT;
|
||
|
|
po->bbox[BOXBOTTOM] = (bottomY-bmaporgy)>>MAPBLOCKSHIFT;
|
||
|
|
// add the polyobj to each blockmap section
|
||
|
|
for(j = po->bbox[BOXBOTTOM]*bmapwidth; j <= po->bbox[BOXTOP]*bmapwidth;
|
||
|
|
j += bmapwidth)
|
||
|
|
{
|
||
|
|
for(i = po->bbox[BOXLEFT]; i <= po->bbox[BOXRIGHT]; i++)
|
||
|
|
{
|
||
|
|
if(i >= 0 && i < bmapwidth && j >= 0 && j < bmapheight*bmapwidth)
|
||
|
|
{
|
||
|
|
link = &PolyBlockMap[j+i];
|
||
|
|
if(!(*link))
|
||
|
|
{ // Create a new link at the current block cell
|
||
|
|
*link = new polyblock_t;
|
||
|
|
(*link)->next = NULL;
|
||
|
|
(*link)->prev = NULL;
|
||
|
|
(*link)->polyobj = po;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
tempLink = *link;
|
||
|
|
while(tempLink->next != NULL && tempLink->polyobj != NULL)
|
||
|
|
{
|
||
|
|
tempLink = tempLink->next;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(tempLink->polyobj == NULL)
|
||
|
|
{
|
||
|
|
tempLink->polyobj = po;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
tempLink->next = new polyblock_t;
|
||
|
|
tempLink->next->next = NULL;
|
||
|
|
tempLink->next->prev = tempLink;
|
||
|
|
tempLink->next->polyobj = po;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// else, don't link the polyobj, since it's off the map
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// CheckMobjBlocking
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static BOOL CheckMobjBlocking (seg_t *seg, polyobj_t *po)
|
||
|
|
{
|
||
|
|
static TArray<AActor *> checker;
|
||
|
|
FBlockNode *block;
|
||
|
|
AActor *mobj;
|
||
|
|
int i, j, k;
|
||
|
|
int left, right, top, bottom;
|
||
|
|
fixed_t tmbbox[4];
|
||
|
|
line_t *ld;
|
||
|
|
BOOL blocked;
|
||
|
|
|
||
|
|
ld = seg->linedef;
|
||
|
|
|
||
|
|
top = (ld->bbox[BOXTOP]-bmaporgy+MAXRADIUS)>>MAPBLOCKSHIFT;
|
||
|
|
bottom = (ld->bbox[BOXBOTTOM]-bmaporgy-MAXRADIUS)>>MAPBLOCKSHIFT;
|
||
|
|
left = (ld->bbox[BOXLEFT]-bmaporgx-MAXRADIUS)>>MAPBLOCKSHIFT;
|
||
|
|
right = (ld->bbox[BOXRIGHT]-bmaporgx+MAXRADIUS)>>MAPBLOCKSHIFT;
|
||
|
|
|
||
|
|
blocked = false;
|
||
|
|
checker.Clear();
|
||
|
|
|
||
|
|
bottom = bottom < 0 ? 0 : bottom;
|
||
|
|
bottom = bottom >= bmapheight ? bmapheight-1 : bottom;
|
||
|
|
top = top < 0 ? 0 : top;
|
||
|
|
top = top >= bmapheight ? bmapheight-1 : top;
|
||
|
|
left = left < 0 ? 0 : left;
|
||
|
|
left = left >= bmapwidth ? bmapwidth-1 : left;
|
||
|
|
right = right < 0 ? 0 : right;
|
||
|
|
right = right >= bmapwidth ? bmapwidth-1 : right;
|
||
|
|
|
||
|
|
for (j = bottom*bmapwidth; j <= top*bmapwidth; j += bmapwidth)
|
||
|
|
{
|
||
|
|
for (i = left; i <= right; i++)
|
||
|
|
{
|
||
|
|
for (block = blocklinks[j+i]; block != NULL; block = block->NextActor)
|
||
|
|
{
|
||
|
|
mobj = block->Me;
|
||
|
|
for (k = (int)checker.Size()-1; k >= 0; --k)
|
||
|
|
{
|
||
|
|
if (checker[k] == mobj)
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (k < 0)
|
||
|
|
{
|
||
|
|
checker.Push (mobj);
|
||
|
|
if ((mobj->flags&MF_SOLID) && !(mobj->flags&MF_NOCLIP))
|
||
|
|
{
|
||
|
|
tmbbox[BOXTOP] = mobj->y+mobj->radius;
|
||
|
|
tmbbox[BOXBOTTOM] = mobj->y-mobj->radius;
|
||
|
|
tmbbox[BOXLEFT] = mobj->x-mobj->radius;
|
||
|
|
tmbbox[BOXRIGHT] = mobj->x+mobj->radius;
|
||
|
|
|
||
|
|
if (tmbbox[BOXRIGHT] <= ld->bbox[BOXLEFT]
|
||
|
|
|| tmbbox[BOXLEFT] >= ld->bbox[BOXRIGHT]
|
||
|
|
|| tmbbox[BOXTOP] <= ld->bbox[BOXBOTTOM]
|
||
|
|
|| tmbbox[BOXBOTTOM] >= ld->bbox[BOXTOP])
|
||
|
|
{
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (P_BoxOnLineSide(tmbbox, ld) != -1)
|
||
|
|
{
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
ThrustMobj (mobj, seg, po);
|
||
|
|
blocked = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return blocked;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// InitBlockMap
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void InitBlockMap (void)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
PolyBlockMap = new polyblock_t *[bmapwidth*bmapheight];
|
||
|
|
memset (PolyBlockMap, 0, bmapwidth*bmapheight*sizeof(polyblock_t *));
|
||
|
|
|
||
|
|
for (i = 0; i < po_NumPolyobjs; i++)
|
||
|
|
{
|
||
|
|
LinkPolyobj(&polyobjs[i]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// InitSegLists [RH]
|
||
|
|
//
|
||
|
|
// Group segs by vertex and collect segs that are known to belong to a
|
||
|
|
// polyobject so that they can be initialized fast.
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void InitSegLists ()
|
||
|
|
{
|
||
|
|
SDWORD i;
|
||
|
|
|
||
|
|
SegListHead = new SDWORD[numvertexes];
|
||
|
|
|
||
|
|
clearbuf (SegListHead, numvertexes, -1);
|
||
|
|
|
||
|
|
for (i = 0; i < numsegs; ++i)
|
||
|
|
{
|
||
|
|
if (segs[i].linedef != NULL)
|
||
|
|
{
|
||
|
|
SegListHead[segs[i].v1 - vertexes] = i;
|
||
|
|
if ((segs[i].linedef->special == PO_LINE_START ||
|
||
|
|
segs[i].linedef->special == PO_LINE_EXPLICIT))
|
||
|
|
{
|
||
|
|
KnownPolySegs.Push (i);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// KilSegLists [RH]
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void KillSegLists ()
|
||
|
|
{
|
||
|
|
delete[] SegListHead;
|
||
|
|
SegListHead = NULL;
|
||
|
|
KnownPolySegs.Clear ();
|
||
|
|
KnownPolySegs.ShrinkToFit ();
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// IterFindPolySegs
|
||
|
|
//
|
||
|
|
// Passing NULL for segList will cause IterFindPolySegs to count the
|
||
|
|
// number of segs in the polyobj. v1 is the vertex to stop at, and v2
|
||
|
|
// is the vertex to start at.
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void IterFindPolySegs (vertex_t *v1, vertex_t *v2p, seg_t **segList)
|
||
|
|
{
|
||
|
|
SDWORD j;
|
||
|
|
int v2 = int(v2p - vertexes);
|
||
|
|
int i;
|
||
|
|
|
||
|
|
// This for loop exists solely to avoid infinitely looping on badly
|
||
|
|
// formed polyobjects.
|
||
|
|
for (i = 0; i < numsegs; i++)
|
||
|
|
{
|
||
|
|
j = SegListHead[v2];
|
||
|
|
|
||
|
|
if (j < 0)
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (segs[j].v1 == v1)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (segs[j].linedef != NULL)
|
||
|
|
{
|
||
|
|
if (segList == NULL)
|
||
|
|
{
|
||
|
|
PolySegCount++;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*segList++ = &segs[j];
|
||
|
|
segs[j].bPolySeg = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
v2 = int(segs[j].v2 - vertexes);
|
||
|
|
}
|
||
|
|
I_Error ("IterFindPolySegs: Non-closed Polyobj around (%ld,%ld).\n",
|
||
|
|
v1->x >> FRACBITS, v1->y >> FRACBITS);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// SpawnPolyobj
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void SpawnPolyobj (int index, int tag, int type)
|
||
|
|
{
|
||
|
|
unsigned int ii;
|
||
|
|
int i;
|
||
|
|
int j;
|
||
|
|
int psIndex;
|
||
|
|
int psIndexOld;
|
||
|
|
seg_t *polySegList[PO_MAXPOLYSEGS];
|
||
|
|
|
||
|
|
for (ii = 0; ii < KnownPolySegs.Size(); ++ii)
|
||
|
|
{
|
||
|
|
i = KnownPolySegs[ii];
|
||
|
|
if (i < 0)
|
||
|
|
{
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (segs[i].linedef->special == PO_LINE_START &&
|
||
|
|
segs[i].linedef->args[0] == tag)
|
||
|
|
{
|
||
|
|
if (polyobjs[index].segs)
|
||
|
|
{
|
||
|
|
I_Error ("SpawnPolyobj: Polyobj %d already spawned.\n", tag);
|
||
|
|
}
|
||
|
|
segs[i].linedef->special = 0;
|
||
|
|
segs[i].linedef->args[0] = 0;
|
||
|
|
segs[i].bPolySeg = true;
|
||
|
|
PolySegCount = 1;
|
||
|
|
IterFindPolySegs(segs[i].v1, segs[i].v2, NULL);
|
||
|
|
|
||
|
|
polyobjs[index].numsegs = PolySegCount;
|
||
|
|
polyobjs[index].segs = new seg_t *[PolySegCount];
|
||
|
|
polyobjs[index].segs[0] = &segs[i]; // insert the first seg
|
||
|
|
IterFindPolySegs (segs[i].v1, segs[i].v2, polyobjs[index].segs+1);
|
||
|
|
polyobjs[index].crush = (type != PO_SPAWN_TYPE) ? 3 : 0;
|
||
|
|
polyobjs[index].bHurtOnTouch = (type == PO_SPAWNHURT_TYPE);
|
||
|
|
polyobjs[index].tag = tag;
|
||
|
|
polyobjs[index].seqType = segs[i].linedef->args[2];
|
||
|
|
if (polyobjs[index].seqType < 0 || polyobjs[index].seqType > 63)
|
||
|
|
{
|
||
|
|
polyobjs[index].seqType = 0;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!polyobjs[index].segs)
|
||
|
|
{ // didn't find a polyobj through PO_LINE_START
|
||
|
|
psIndex = 0;
|
||
|
|
polyobjs[index].numsegs = 0;
|
||
|
|
for (j = 1; j < PO_MAXPOLYSEGS; j++)
|
||
|
|
{
|
||
|
|
psIndexOld = psIndex;
|
||
|
|
for (ii = 0; ii < KnownPolySegs.Size(); ++ii)
|
||
|
|
{
|
||
|
|
i = KnownPolySegs[ii];
|
||
|
|
|
||
|
|
if (i >= 0 &&
|
||
|
|
segs[i].linedef->special == PO_LINE_EXPLICIT &&
|
||
|
|
segs[i].linedef->args[0] == tag)
|
||
|
|
{
|
||
|
|
if (!segs[i].linedef->args[1])
|
||
|
|
{
|
||
|
|
I_Error ("SpawnPolyobj: Explicit line missing order number (probably %d) in poly %d.\n",
|
||
|
|
j+1, tag);
|
||
|
|
}
|
||
|
|
if (segs[i].linedef->args[1] == j)
|
||
|
|
{
|
||
|
|
polySegList[psIndex] = &segs[i];
|
||
|
|
polyobjs[index].numsegs++;
|
||
|
|
psIndex++;
|
||
|
|
if (psIndex > PO_MAXPOLYSEGS)
|
||
|
|
{
|
||
|
|
I_Error ("SpawnPolyobj: psIndex > PO_MAXPOLYSEGS\n");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Clear out any specials for these segs...we cannot clear them out
|
||
|
|
// in the above loop, since we aren't guaranteed one seg per linedef.
|
||
|
|
for (ii = 0; ii < KnownPolySegs.Size(); ++ii)
|
||
|
|
{
|
||
|
|
i = KnownPolySegs[ii];
|
||
|
|
if (i >= 0 &&
|
||
|
|
segs[i].linedef->special == PO_LINE_EXPLICIT &&
|
||
|
|
segs[i].linedef->args[0] == tag && segs[i].linedef->args[1] == j)
|
||
|
|
{
|
||
|
|
segs[i].linedef->special = 0;
|
||
|
|
segs[i].linedef->args[0] = 0;
|
||
|
|
segs[i].bPolySeg = true;
|
||
|
|
KnownPolySegs[ii] = -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (psIndex == psIndexOld)
|
||
|
|
{ // Check if an explicit line order has been skipped.
|
||
|
|
// A line has been skipped if there are any more explicit
|
||
|
|
// lines with the current tag value. [RH] Can this actually happen?
|
||
|
|
for (ii = 0; ii < KnownPolySegs.Size(); ++ii)
|
||
|
|
{
|
||
|
|
i = KnownPolySegs[ii];
|
||
|
|
if (i >= 0 &&
|
||
|
|
segs[i].linedef->special == PO_LINE_EXPLICIT &&
|
||
|
|
segs[i].linedef->args[0] == tag)
|
||
|
|
{
|
||
|
|
I_Error ("SpawnPolyobj: Missing explicit line %d for poly %d\n",
|
||
|
|
j, tag);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (polyobjs[index].numsegs)
|
||
|
|
{
|
||
|
|
PolySegCount = polyobjs[index].numsegs; // PolySegCount used globally
|
||
|
|
polyobjs[index].crush = (type != PO_SPAWN_TYPE) ? 3 : 0;
|
||
|
|
polyobjs[index].bHurtOnTouch = (type == PO_SPAWNHURT_TYPE);
|
||
|
|
polyobjs[index].tag = tag;
|
||
|
|
polyobjs[index].segs = new seg_t *[polyobjs[index].numsegs];
|
||
|
|
for (i = 0; i < polyobjs[index].numsegs; i++)
|
||
|
|
{
|
||
|
|
polyobjs[index].segs[i] = polySegList[i];
|
||
|
|
}
|
||
|
|
polyobjs[index].seqType = (*polyobjs[index].segs)->linedef->args[3];
|
||
|
|
// Next, change the polyobj's first line to point to a mirror
|
||
|
|
// if it exists
|
||
|
|
(*polyobjs[index].segs)->linedef->args[1] =
|
||
|
|
(*polyobjs[index].segs)->linedef->args[2];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
I_Error ("SpawnPolyobj: Poly %d does not exist\n", tag);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// TranslateToStartSpot
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
static void TranslateToStartSpot (int tag, int originX, int originY)
|
||
|
|
{
|
||
|
|
seg_t **tempSeg;
|
||
|
|
seg_t **veryTempSeg;
|
||
|
|
vertex_t *tempPt;
|
||
|
|
subsector_t *sub;
|
||
|
|
polyobj_t *po;
|
||
|
|
int deltaX;
|
||
|
|
int deltaY;
|
||
|
|
vertex_t avg; // used to find a polyobj's center, and hence subsector
|
||
|
|
int i;
|
||
|
|
|
||
|
|
po = NULL;
|
||
|
|
for (i = 0; i < po_NumPolyobjs; i++)
|
||
|
|
{
|
||
|
|
if (polyobjs[i].tag == tag)
|
||
|
|
{
|
||
|
|
po = &polyobjs[i];
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (po == NULL)
|
||
|
|
{ // didn't match the tag with a polyobj tag
|
||
|
|
I_Error("TranslateToStartSpot: Unable to match polyobj tag: %d\n",
|
||
|
|
tag);
|
||
|
|
}
|
||
|
|
if (po->segs == NULL)
|
||
|
|
{
|
||
|
|
I_Error ("TranslateToStartSpot: Anchor point located without a StartSpot point: %d\n", tag);
|
||
|
|
}
|
||
|
|
po->originalPts = new vertex_t[po->numsegs];
|
||
|
|
po->prevPts = new vertex_t[po->numsegs];
|
||
|
|
deltaX = originX-po->startSpot[0];
|
||
|
|
deltaY = originY-po->startSpot[1];
|
||
|
|
|
||
|
|
tempSeg = po->segs;
|
||
|
|
tempPt = po->originalPts;
|
||
|
|
avg.x = 0;
|
||
|
|
avg.y = 0;
|
||
|
|
|
||
|
|
validcount++;
|
||
|
|
for (i = 0; i < po->numsegs; i++, tempSeg++, tempPt++)
|
||
|
|
{
|
||
|
|
if ((*tempSeg)->linedef->validcount != validcount)
|
||
|
|
{
|
||
|
|
(*tempSeg)->linedef->bbox[BOXTOP] -= deltaY;
|
||
|
|
(*tempSeg)->linedef->bbox[BOXBOTTOM] -= deltaY;
|
||
|
|
(*tempSeg)->linedef->bbox[BOXLEFT] -= deltaX;
|
||
|
|
(*tempSeg)->linedef->bbox[BOXRIGHT] -= deltaX;
|
||
|
|
(*tempSeg)->linedef->validcount = validcount;
|
||
|
|
}
|
||
|
|
for (veryTempSeg = po->segs; veryTempSeg != tempSeg; veryTempSeg++)
|
||
|
|
{
|
||
|
|
if((*veryTempSeg)->v1 == (*tempSeg)->v1)
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (veryTempSeg == tempSeg)
|
||
|
|
{ // the point hasn't been translated, yet
|
||
|
|
(*tempSeg)->v1->x -= deltaX;
|
||
|
|
(*tempSeg)->v1->y -= deltaY;
|
||
|
|
}
|
||
|
|
avg.x += (*tempSeg)->v1->x>>FRACBITS;
|
||
|
|
avg.y += (*tempSeg)->v1->y>>FRACBITS;
|
||
|
|
// the original Pts are based off the startSpot Pt, and are
|
||
|
|
// unique to each seg, not each linedef
|
||
|
|
tempPt->x = (*tempSeg)->v1->x-po->startSpot[0];
|
||
|
|
tempPt->y = (*tempSeg)->v1->y-po->startSpot[1];
|
||
|
|
}
|
||
|
|
avg.x /= po->numsegs;
|
||
|
|
avg.y /= po->numsegs;
|
||
|
|
sub = R_PointInSubsector (avg.x<<FRACBITS, avg.y<<FRACBITS);
|
||
|
|
if (sub->poly != NULL)
|
||
|
|
{
|
||
|
|
I_Error ("PO_TranslateToStartSpot: Multiple polyobjs in a single subsector.\n");
|
||
|
|
}
|
||
|
|
sub->poly = po;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// PO_Init
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
void PO_Init (void)
|
||
|
|
{
|
||
|
|
// [RH] Hexen found the polyobject-related things by reloading the map's
|
||
|
|
// THINGS lump here and scanning through it. I have P_SpawnMapThing()
|
||
|
|
// record those things instead, so that in here we simply need to
|
||
|
|
// look at the polyspawns list.
|
||
|
|
polyspawns_t *polyspawn, **prev;
|
||
|
|
int polyIndex;
|
||
|
|
|
||
|
|
// [RH] Make this faster
|
||
|
|
InitSegLists ();
|
||
|
|
|
||
|
|
polyobjs = new polyobj_t[po_NumPolyobjs];
|
||
|
|
memset (polyobjs, 0, po_NumPolyobjs*sizeof(polyobj_t));
|
||
|
|
|
||
|
|
polyIndex = 0; // index polyobj number
|
||
|
|
// Find the startSpot points, and spawn each polyobj
|
||
|
|
for (polyspawn = polyspawns, prev = &polyspawns; polyspawn;)
|
||
|
|
{
|
||
|
|
// 9301 (3001) = no crush, 9302 (3002) = crushing, 9303 = hurting touch
|
||
|
|
if (polyspawn->type == PO_SPAWN_TYPE ||
|
||
|
|
polyspawn->type == PO_SPAWNCRUSH_TYPE ||
|
||
|
|
polyspawn->type == PO_SPAWNHURT_TYPE)
|
||
|
|
{ // Polyobj StartSpot Pt.
|
||
|
|
polyobjs[polyIndex].startSpot[0] = polyspawn->x;
|
||
|
|
polyobjs[polyIndex].startSpot[1] = polyspawn->y;
|
||
|
|
SpawnPolyobj(polyIndex, polyspawn->angle, polyspawn->type);
|
||
|
|
polyIndex++;
|
||
|
|
*prev = polyspawn->next;
|
||
|
|
delete polyspawn;
|
||
|
|
polyspawn = *prev;
|
||
|
|
} else {
|
||
|
|
prev = &polyspawn->next;
|
||
|
|
polyspawn = polyspawn->next;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for (polyspawn = polyspawns; polyspawn;)
|
||
|
|
{
|
||
|
|
polyspawns_t *next = polyspawn->next;
|
||
|
|
if (polyspawn->type == PO_ANCHOR_TYPE)
|
||
|
|
{ // Polyobj Anchor Pt.
|
||
|
|
TranslateToStartSpot (polyspawn->angle, polyspawn->x, polyspawn->y);
|
||
|
|
}
|
||
|
|
delete polyspawn;
|
||
|
|
polyspawn = next;
|
||
|
|
}
|
||
|
|
polyspawns = NULL;
|
||
|
|
|
||
|
|
// check for a startspot without an anchor point
|
||
|
|
for (polyIndex = 0; polyIndex < po_NumPolyobjs; polyIndex++)
|
||
|
|
{
|
||
|
|
if (!polyobjs[polyIndex].originalPts)
|
||
|
|
{
|
||
|
|
I_Error ("PO_Init: StartSpot located without an Anchor point: %d\n",
|
||
|
|
polyobjs[polyIndex].tag);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
InitBlockMap();
|
||
|
|
|
||
|
|
// [RH] Don't need the seg lists anymore
|
||
|
|
KillSegLists ();
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// PO_DeInit
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
void PO_DeInit ()
|
||
|
|
{
|
||
|
|
po_NumPolyobjs = 0;
|
||
|
|
if (polyobjs != NULL)
|
||
|
|
{
|
||
|
|
delete[] polyobjs;
|
||
|
|
polyobjs = NULL;
|
||
|
|
}
|
||
|
|
if (PolyBlockMap != NULL)
|
||
|
|
{
|
||
|
|
delete[] PolyBlockMap;
|
||
|
|
PolyBlockMap = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==========================================================================
|
||
|
|
//
|
||
|
|
// PO_Busy
|
||
|
|
//
|
||
|
|
//==========================================================================
|
||
|
|
|
||
|
|
BOOL PO_Busy (int polyobj)
|
||
|
|
{
|
||
|
|
polyobj_t *poly;
|
||
|
|
|
||
|
|
poly = GetPolyobj (polyobj);
|
||
|
|
if (!poly->specialdata)
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|