/
p_xgsec.c
3237 lines (2721 loc) · 88 KB
/
p_xgsec.c
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/**\file p_xgsec.c
*\section License
* License: GPL
* Online License Link: http://www.gnu.org/licenses/gpl.html
*
*\author Copyright © 2003-2013 Jaakko Keränen <jaakko.keranen@iki.fi>
*\author Copyright © 2005-2013 Daniel Swanson <danij@dengine.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* Extended Generalized Sector Types.
*/
#if __JDOOM__ || __JHERETIC__ || __JDOOM64__
// HEADER FILES ------------------------------------------------------------
#include <math.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#if __JDOOM__
# include "jdoom.h"
#elif __JDOOM64__
# include "jdoom64.h"
#elif __JHERETIC__
# include "jheretic.h"
#elif __JSTRIFE__
# include "jstrife.h"
#endif
#include "dmu_lib.h"
#include "p_mapsetup.h"
#include "p_xgline.h"
#include "p_xgsec.h"
#include "g_common.h"
#include "p_map.h"
#include "p_mapspec.h"
#include "p_sound.h"
#include "p_terraintype.h"
#include "p_tick.h"
// MACROS ------------------------------------------------------------------
#define MAX_VALS 128
#define SIGN(x) ((x)>0? 1 : (x)<0? -1 : 0)
#define ISFUNC(fn) (fn->func && fn->func[fn->pos])
#define UPDFUNC(fn) ((ISFUNC(fn) || fn->link))
#define SPREFTYPESTR(reftype) (reftype == SPREF_NONE? "NONE" \
: reftype == SPREF_MY_FLOOR? "MY FLOOR" \
: reftype == SPREF_MY_CEILING? "MY CEILING" \
: reftype == SPREF_ORIGINAL_FLOOR? "ORIGINAL FLOOR" \
: reftype == SPREF_ORIGINAL_CEILING? "ORIGINAL CEILING" \
: reftype == SPREF_CURRENT_FLOOR? "CURRENT FLOOR" \
: reftype == SPREF_CURRENT_CEILING? "CURRENT CEILING" \
: reftype == SPREF_HIGHEST_FLOOR? "HIGHEST FLOOR" \
: reftype == SPREF_HIGHEST_CEILING? "HIGHEST CEILING" \
: reftype == SPREF_LOWEST_FLOOR? "LOWEST FLOOR" \
: reftype == SPREF_LOWEST_CEILING? "LOWEST CEILING" \
: reftype == SPREF_NEXT_HIGHEST_FLOOR? "NEXT HIGHEST FLOOR" \
: reftype == SPREF_NEXT_HIGHEST_CEILING? "NEXT HIGHEST CEILING" \
: reftype == SPREF_NEXT_LOWEST_FLOOR? "NEXT LOWEST FLOOR" \
: reftype == SPREF_NEXT_LOWEST_CEILING? "NEXT LOWEST CEILING" \
: reftype == SPREF_MIN_BOTTOM_MATERIAL? "MIN BOTTOM MATERIAL" \
: reftype == SPREF_MIN_MID_MATERIAL? "MIN MIDDLE MATERIAL" \
: reftype == SPREF_MIN_TOP_MATERIAL? "MIN TOP MATERIAL" \
: reftype == SPREF_MAX_BOTTOM_MATERIAL? "MAX BOTTOM MATERIAL" \
: reftype == SPREF_MAX_MID_MATERIAL? "MAX MIDDLE MATERIAL" \
: reftype == SPREF_MAX_TOP_MATERIAL? "MAX TOP MATERIAL" \
: reftype == SPREF_SECTOR_TAGGED_FLOOR? "SECTOR TAGGED FLOOR" \
: reftype == SPREF_LINE_TAGGED_FLOOR? "LINE TAGGED FLOOR" \
: reftype == SPREF_TAGGED_FLOOR? "TAGGED FLOOR" \
: reftype == SPREF_ACT_TAGGED_FLOOR? "ACT TAGGED FLOOR" \
: reftype == SPREF_INDEX_FLOOR? "INDEXED FLOOR" \
: reftype == SPREF_SECTOR_TAGGED_CEILING? "SECTOR TAGGED CEILING" \
: reftype == SPREF_LINE_TAGGED_CEILING? "LINE TAGGED CEILING" \
: reftype == SPREF_TAGGED_CEILING? "TAGGED CEILING" \
: reftype == SPREF_ACT_TAGGED_CEILING? "ACT TAGGED CEILING" \
: reftype == SPREF_INDEX_CEILING? "INDEXED CEILING" \
: reftype == SPREF_BACK_FLOOR? "BACK FLOOR" \
: reftype == SPREF_BACK_CEILING? "BACK CEILING" \
: reftype == SPREF_SPECIAL? "SPECIAL" \
: reftype == SPREF_LINE_ACT_TAGGED_FLOOR? "LINE ACT TAGGED FLOOR" \
: reftype == SPREF_LINE_ACT_TAGGED_CEILING? "LINE ACT TAGGED CEILING" : "???")
#define TO_DMU_COLOR(x) (x == 0? DMU_COLOR_RED \
: x == 1? DMU_COLOR_GREEN \
: DMU_COLOR_BLUE)
#define TO_DMU_CEILING_COLOR(x) (x == 0? DMU_CEILING_COLOR_RED \
: x == 1? DMU_CEILING_COLOR_GREEN \
: DMU_CEILING_COLOR_BLUE)
#define TO_DMU_FLOOR_COLOR(x) (x == 0? DMU_FLOOR_COLOR_RED \
: x == 1? DMU_FLOOR_COLOR_GREEN \
: DMU_FLOOR_COLOR_BLUE)
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
void XS_DoChain(Sector *sec, int ch, int activating, void *actThing);
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
// PUBLIC DATA DEFINITIONS -------------------------------------------------
// PRIVATE DATA DEFINITIONS ------------------------------------------------
static sectortype_t sectypebuffer;
// CODE --------------------------------------------------------------------
sectortype_t *XS_GetType(int id)
{
sectortype_t* ptr;
char buff[6];
// Try finding it from the DDXGDATA lump.
ptr = XG_GetLumpSector(id);
if(ptr)
{ // Got it!
memcpy(§ypebuffer, ptr, sizeof(*ptr));
return §ypebuffer;
}
dd_snprintf(buff, 6, "%i", id);
if(Def_Get(DD_DEF_SECTOR_TYPE, buff, §ypebuffer))
return §ypebuffer; // A definition was found.
return NULL; // None found.
}
void XF_Init(Sector *sec, function_t *fn, char *func, int min, int max,
float scale, float offset)
{
xsector_t *xsec = P_ToXSector(sec);
memset(fn, 0, sizeof(*fn));
if(!func)
return;
// Check for links.
if(func[0] == '=')
{
switch(tolower(func[1]))
{
case 'r':
fn->link = &xsec->xg->rgb[0];
break;
case 'g':
fn->link = &xsec->xg->rgb[1];
break;
case 'b':
fn->link = &xsec->xg->rgb[2];
break;
case 'f':
fn->link = &xsec->xg->plane[XGSP_FLOOR];
break;
case 'c':
fn->link = &xsec->xg->plane[XGSP_CEILING];
break;
case 'l':
fn->link = &xsec->xg->light;
break;
default:
Con_Error("XF_Init: Bad linked func (%s).\n", func);
}
return;
}
// Check for offsets to current values.
if(func[0] == '+')
{
/**
* @note The original value ranges must be maintained due to the cross linking
* between sector function types i.e:
* - RGB = 0 > 254
* - light = 0 > 254
* - planeheight = -32768 > 32768
*/
switch(func[1])
{
case 'r':
offset += 255.f * xsec->origRGB[0];
break;
case 'g':
offset += 255.f * xsec->origRGB[1];
break;
case 'b':
offset += 255.f * xsec->origRGB[2];
break;
case 'l':
offset += 255.0f * xsec->origLight;
break;
case 'f':
offset += xsec->SP_floororigheight;
break;
case 'c':
offset += xsec->SP_ceilorigheight;
break;
default:
Con_Error("XF_Init: Bad preset offset (%s).\n", func);
}
fn->func = func + 2;
}
else
{
fn->func = func;
}
fn->timer = -1; // The first step musn't skip the first value.
fn->maxTimer = XG_RandomInt(min, max);
fn->minInterval = min;
fn->maxInterval = max;
fn->scale = scale;
fn->offset = offset;
// Make sure oldvalue is out of range.
fn->oldValue = -scale + offset;
}
int C_DECL XLTrav_LineAngle(LineDef* line, boolean dummy, void* context,
void* context2, mobj_t* activator)
{
Sector* sec = (Sector *) context;
coord_t d1[2];
if(P_GetPtrp(line, DMU_FRONT_SECTOR) != sec &&
P_GetPtrp(line, DMU_BACK_SECTOR) != sec)
return true; // Wrong sector, keep looking.
P_GetDoublepv(line, DMU_DXY, d1);
*(angle_t*) context2 = M_PointXYToAngle2(0, 0, d1[0], d1[1]);
return false; // Stop looking after first hit.
}
int findXSThinker(thinker_t* th, void* context)
{
xsthinker_t* xs = (xsthinker_t*) th;
if(xs->sector == (Sector*) context)
return true; // Stop iteration, we've found it.
return false; // Continue iteration.
}
int destroyXSThinker(thinker_t* th, void* context)
{
xsthinker_t* xs = (xsthinker_t*) th;
if(xs->sector == (Sector*) context)
{
Thinker_Remove(&xs->thinker);
return true; // Stop iteration, we're done.
}
return false; // Continue iteration.
}
void XS_SetSectorType(Sector* sec, int special)
{
int i;
xsector_t* xsec = P_ToXSector(sec);
xgsector_t* xg;
sectortype_t* info;
if(XS_GetType(special))
{
XG_Dev("XS_SetSectorType: Sector %i, type %i", P_ToIndex(sec),
special);
xsec->special = special;
// All right, do the init.
if(!xsec->xg)
xsec->xg = Z_Malloc(sizeof(xgsector_t), PU_MAP, 0);
memset(xsec->xg, 0, sizeof(*xsec->xg));
// Get the type info.
memcpy(&xsec->xg->info, §ypebuffer, sizeof(sectypebuffer));
// Init the state.
xg = xsec->xg;
info = &xsec->xg->info;
// Init timer so ambient doesn't play immediately at map start.
xg->timer =
XG_RandomInt(FLT2TIC(xg->info.soundInterval[0]),
FLT2TIC(xg->info.soundInterval[1]));
// Light function.
XF_Init(sec, &xg->light, info->lightFunc, info->lightInterval[0],
info->lightInterval[1], 255, 0);
// Color functions.
for(i = 0; i < 3; ++i)
{
XF_Init(sec, &xg->rgb[i], info->colFunc[i],
info->colInterval[i][0], info->colInterval[i][1], 255,
0);
}
// Plane functions / floor.
XF_Init(sec, &xg->plane[XGSP_FLOOR], info->floorFunc,
info->floorInterval[0], info->floorInterval[1],
info->floorMul, info->floorOff);
XF_Init(sec, &xg->plane[XGSP_CEILING], info->ceilFunc,
info->ceilInterval[0], info->ceilInterval[1],
info->ceilMul, info->ceilOff);
// Derive texmove angle from first act-tagged line?
if((info->flags & STF_ACT_TAG_MATERIALMOVE) ||
(info->flags & STF_ACT_TAG_WIND))
{
angle_t angle = 0;
// -1 to support binary XG data with old flag values.
XL_TraverseLines(0, (xgDataLumps? LREF_TAGGED -1: LREF_TAGGED),
info->actTag, sec, &angle,
NULL, XLTrav_LineAngle);
// Convert to degrees.
if(info->flags & STF_ACT_TAG_MATERIALMOVE)
{
info->materialMoveAngle[0] = info->materialMoveAngle[1] =
angle / (float) ANGLE_MAX *360;
}
if(info->flags & STF_ACT_TAG_WIND)
{
info->windAngle = angle / (float) ANGLE_MAX *360;
}
}
// If there is not already an xsthinker for this sector, create one.
if(!Thinker_Iterate(XS_Thinker, findXSThinker, sec))
{ // Not created one yet.
xsthinker_t* xs = Z_Calloc(sizeof(*xs), PU_MAP, 0);
xs->thinker.function = XS_Thinker;
Thinker_Add(&xs->thinker);
xs->sector = sec;
}
}
else
{
XG_Dev("XS_SetSectorType: Sector %i, NORMAL TYPE %i", P_ToIndex(sec),
special);
// If there is an xsthinker for this, destroy it.
Thinker_Iterate(XS_Thinker, destroyXSThinker, sec);
// Free previously allocated XG data.
if(xsec->xg)
Z_Free(xsec->xg);
xsec->xg = NULL;
// Just set it, then. Must be a standard sector type...
// Mind you, we're not going to spawn any standard flash funcs
// or anything.
xsec->special = special;
}
}
void XS_Init(void)
{
/* // Clients rely on the server, they don't do XG themselves.
if(IS_CLIENT) return; */
if(numsectors > 0)
{
// Allocate stair builder data.
Sector* sec;
xsector_t* xsec;
uint i;
for(i = 0; i < numsectors; ++i)
{
sec = P_ToPtr(DMU_SECTOR, i);
xsec = P_ToXSector(sec);
P_GetFloatpv(sec, DMU_COLOR, xsec->origRGB);
xsec->SP_floororigheight = P_GetDoublep(sec, DMU_FLOOR_HEIGHT);
xsec->SP_ceilorigheight = P_GetDoublep(sec, DMU_CEILING_HEIGHT);
xsec->origLight = P_GetFloatp(sec, DMU_LIGHT_LEVEL);
// Initialize the XG data for this sector.
XS_SetSectorType(sec, xsec->special);
}
}
}
void XS_SectorSound(Sector* sec, int soundId)
{
if(!sec || !soundId) return;
XG_Dev("XS_SectorSound: Play Sound ID (%i) in Sector ID (%i)", soundId, P_ToIndex(sec));
S_SectorSound(sec, soundId);
}
void XS_PlaneSound(Plane* pln, int soundId)
{
if(!pln || !soundId) return;
XG_Dev("XS_PlaneSound: Play Sound ID (%i) in Sector ID (%i)", soundId, P_ToIndex(P_GetPtrp(pln, DMU_SECTOR)));
S_PlaneSound(pln, soundId);
}
void XS_MoverStopped(xgplanemover_t *mover, boolean done)
{
xline_t *origin = P_ToXLine(mover->origin);
XG_Dev("XS_MoverStopped: Sector %i (done=%i, origin line=%i)",
P_ToIndex(mover->sector), done,
mover->origin ? P_ToIndex(mover->origin) : -1);
if(done)
{
if((mover->flags & PMF_ACTIVATE_WHEN_DONE) && mover->origin)
{
XL_ActivateLine(true, &origin->xg->info, mover->origin, 0,
&dummyThing, XLE_AUTO);
}
if((mover->flags & PMF_DEACTIVATE_WHEN_DONE) && mover->origin)
{
XL_ActivateLine(false, &origin->xg->info, mover->origin, 0,
&dummyThing, XLE_AUTO);
}
// Remove this thinker.
Thinker_Remove((thinker_t *) mover);
}
else
{
// Normally we just wait, but if...
if((mover->flags & PMF_ACTIVATE_ON_ABORT) && mover->origin)
{
XL_ActivateLine(true, &origin->xg->info, mover->origin, 0,
&dummyThing, XLE_AUTO);
}
if((mover->flags & PMF_DEACTIVATE_ON_ABORT) && mover->origin)
{
XL_ActivateLine(false, &origin->xg->info, mover->origin, 0,
&dummyThing, XLE_AUTO);
}
if(mover->flags & (PMF_ACTIVATE_ON_ABORT | PMF_DEACTIVATE_ON_ABORT))
{
// Destroy this mover.
Thinker_Remove((thinker_t *) mover);
}
}
}
/**
* A thinker function for plane movers.
*/
void XS_PlaneMover(xgplanemover_t* mover)
{
int res, res2, dir;
coord_t ceil = P_GetDoublep(mover->sector, DMU_CEILING_HEIGHT);
coord_t floor = P_GetDoublep(mover->sector, DMU_FLOOR_HEIGHT);
xsector_t* xsec = P_ToXSector(mover->sector);
boolean docrush = (mover->flags & PMF_CRUSH) != 0;
boolean follows = (mover->flags & PMF_OTHER_FOLLOWS) != 0;
boolean setorig = (mover->flags & PMF_SET_ORIGINAL) != 0;
// Play movesound when timer goes to zero.
if(mover->timer-- <= 0)
{
// Clear the wait flag.
if(mover->flags & PMF_WAIT)
{
mover->flags &= ~PMF_WAIT;
// Play a sound.
XS_PlaneSound(P_GetPtrp(mover->sector, mover->ceiling? DMU_CEILING_PLANE : DMU_FLOOR_PLANE),
mover->startSound);
}
mover->timer = XG_RandomInt(mover->minInterval, mover->maxInterval);
XS_PlaneSound(P_GetPtrp(mover->sector, mover->ceiling? DMU_CEILING_PLANE : DMU_FLOOR_PLANE),
mover->moveSound);
}
// Are we waiting?
if(mover->flags & PMF_WAIT) return;
// Determine move direction.
if((mover->destination - (mover->ceiling ? ceil : floor)) > 0)
dir = 1; // Moving up.
else
dir = -1; // Moving down.
// Do the move.
res = T_MovePlane(mover->sector, mover->speed, mover->destination,
docrush, mover->ceiling, dir);
// Should we update origheight?
if(setorig)
{
xsec->planes[mover->ceiling? PLN_CEILING:PLN_FLOOR].origHeight =
P_GetDoublep(mover->sector,
mover->ceiling? DMU_CEILING_HEIGHT:DMU_FLOOR_HEIGHT);
}
if(follows)
{
coord_t off = (mover->ceiling? floor - ceil : ceil - floor);
res2 = T_MovePlane(mover->sector, mover->speed,
mover->destination + off, docrush,
!mover->ceiling, dir);
// Should we update origheight?
if(setorig)
{
xsec->planes[(!mover->ceiling)? PLN_CEILING:PLN_FLOOR].origHeight =
P_GetDoublep(mover->sector,
(!mover->ceiling)? DMU_CEILING_HEIGHT:DMU_FLOOR_HEIGHT);
}
if(res2 == crushed)
res = crushed;
}
if(res == pastdest)
{
// Move has finished.
XS_MoverStopped(mover, true);
// The move is done. Do end stuff.
if(mover->setMaterial)
{
XS_ChangePlaneMaterial(mover->sector, mover->ceiling,
mover->setMaterial, NULL);
}
if(mover->setSectorType >= 0)
{
XS_SetSectorType(mover->sector, mover->setSectorType);
}
// Play sound?
XS_PlaneSound(P_GetPtrp(mover->sector, mover->ceiling? DMU_CEILING_PLANE : DMU_FLOOR_PLANE),
mover->endSound);
}
else if(res == crushed)
{
if(mover->flags & PMF_CRUSH)
{
// We're crushing things.
mover->speed = mover->crushSpeed;
}
else
{
// Make sure both the planes are where we started from.
if((!mover->ceiling || follows) &&
!FEQUAL(P_GetDoublep(mover->sector, DMU_FLOOR_HEIGHT), floor))
{
T_MovePlane(mover->sector, mover->speed, floor, docrush, false, -dir);
}
if((mover->ceiling || follows) &&
!FEQUAL(P_GetDoublep(mover->sector, DMU_CEILING_HEIGHT), ceil))
{
T_MovePlane(mover->sector, mover->speed, ceil, docrush, true, -dir);
}
XS_MoverStopped(mover, false);
}
}
}
typedef struct {
Sector* sec;
boolean ceiling;
} stopplanemoverparams_t;
static int stopPlaneMover(thinker_t* th, void* context)
{
stopplanemoverparams_t* params = (stopplanemoverparams_t*) context;
xgplanemover_t* mover = (xgplanemover_t *) th;
if(mover->sector == params->sec &&
mover->ceiling == params->ceiling)
{
XS_MoverStopped(mover, false);
Thinker_Remove(th); // Remove it.
}
return false; // Continue iteration.
}
/**
* Returns a new thinker for handling the specified plane. Removes any
* existing thinkers associated with the plane.
*/
xgplanemover_t *XS_GetPlaneMover(Sector *sec, boolean ceiling)
{
xgplanemover_t* mover;
stopplanemoverparams_t params;
params.sec = sec;
params.ceiling = ceiling;
Thinker_Iterate(XS_PlaneMover, stopPlaneMover, ¶ms);
// Allocate a new thinker.
mover = Z_Calloc(sizeof(*mover), PU_MAP, 0);
mover->thinker.function = XS_PlaneMover;
Thinker_Add(&mover->thinker);
mover->sector = sec;
mover->ceiling = ceiling;
return mover;
}
void XS_ChangePlaneMaterial(Sector *sector, boolean ceiling,
material_t* mat, float *rgb)
{
XG_Dev("XS_ChangePlaneMaterial: Sector %i, %s, texture %i",
P_ToIndex(sector), (ceiling ? "ceiling" : "floor"), P_ToIndex(mat));
if(rgb)
XG_Dev("red %g, green %g, blue %g", rgb[0], rgb[1], rgb[2]);
if(ceiling)
{
if(rgb)
P_SetFloatpv(sector, DMU_CEILING_COLOR, rgb);
if(mat)
P_SetPtrp(sector, DMU_CEILING_MATERIAL, mat);
}
else
{
if(rgb)
P_SetFloatpv(sector, DMU_FLOOR_COLOR, rgb);
if(mat)
P_SetPtrp(sector, DMU_FLOOR_MATERIAL, mat);
}
}
uint FindMaxOf(int *list, uint num)
{
uint i, idx = 0;
int max = list[0];
for(i = 1; i < num; ++i)
{
if(list[i] > max)
{
max = list[i];
idx = i;
}
}
return idx;
}
uint FindMinOf(int *list, uint num)
{
uint i, idx = 0;
int min = list[0];
for(i = 1; i < num; ++i)
{
if(list[i] < min)
{
min = list[i];
idx = i;
}
}
return idx;
}
int FindNextOf(int *list, int num, int h)
{
int i, min = 0, idx = -1;
for(i = 0; i < num; ++i)
{
if(list[i] <= h)
continue;
if(idx < 0 || list[i] < min)
{
idx = i;
min = list[i];
}
}
return idx;
}
int FindPrevOf(int *list, int num, int h)
{
int i, max = 0, idx = -1;
for(i = 0; i < num; ++i)
{
if(list[i] >= h)
continue;
if(idx < 0 || list[i] > max)
{
idx = i;
max = list[i];
}
}
return idx;
}
/**
* Really an XL_* function!
*
* @param part 1=mid, 2=top, 3=bottom.
*
* @return @c MAXINT if not height n/a.
*/
int XS_TextureHeight(LineDef* line, int part)
{
SideDef* side;
int snum = 0;
int minfloor = 0, maxfloor = 0, maxceil = 0;
Sector* front = P_GetPtrp(line, DMU_FRONT_SECTOR);
Sector* back = P_GetPtrp(line, DMU_BACK_SECTOR);
boolean twosided = front && back;
material_t* mat;
if(part != LWS_MID && !twosided)
return DDMAXINT;
if(twosided)
{
int ffloor = P_GetIntp(front, DMU_FLOOR_HEIGHT);
int fceil = P_GetIntp(front, DMU_CEILING_HEIGHT);
int bfloor = P_GetIntp(back, DMU_FLOOR_HEIGHT);
int bceil = P_GetIntp(back, DMU_CEILING_HEIGHT);
minfloor = ffloor;
maxfloor = bfloor;
if(part == LWS_LOWER)
snum = 0;
if(bfloor < minfloor)
{
minfloor = bfloor;
maxfloor = ffloor;
if(part == LWS_LOWER)
snum = 1;
}
maxceil = fceil;
if(part == LWS_UPPER)
snum = 0;
if(bceil > maxceil)
{
maxceil = bceil;
if(part == LWS_UPPER)
snum = 1;
}
}
else
{
if(P_GetPtrp(line, DMU_SIDEDEF0))
snum = 0;
else
snum = 1;
}
// Which side are we working with?
if(snum == 0)
side = P_GetPtrp(line, DMU_SIDEDEF0);
else
side = P_GetPtrp(line, DMU_SIDEDEF1);
// Which section of the wall?
switch(part)
{
case LWS_UPPER:
if((mat = P_GetPtrp(side, DMU_TOP_MATERIAL)))
return maxceil - P_GetIntp(mat, DMU_HEIGHT);
break;
case LWS_MID:
if((mat = P_GetPtrp(side, DMU_MIDDLE_MATERIAL)))
return maxfloor + P_GetIntp(mat, DMU_HEIGHT);
break;
case LWS_LOWER:
if((mat = P_GetPtrp(side, DMU_BOTTOM_MATERIAL)))
return minfloor + P_GetIntp(mat, DMU_HEIGHT);
break;
default:
Con_Error("XS_TextureHeight: Invalid wall section %d.", part);
}
return DDMAXINT;
}
/**
* Returns a pointer to the first sector with the tag.
*
* NOTE: We cannot use the tagged sector lists here as this can be called
* during an iteration at a higher level. Doing so would change the position
* of the rover which would affect the other iteration.
*
* NOTE2: Re-above, obviously that is bad design and should be addressed.
*/
Sector *XS_FindTagged(int tag)
{
uint k;
uint foundcount = 0;
uint retsectorid = 0;
Sector *sec, *retsector;
retsector = NULL;
for(k = 0; k < numsectors; ++k)
{
sec = P_ToPtr(DMU_SECTOR, k);
if(P_ToXSector(sec)->tag == tag)
{
if(xgDev)
{
if(foundcount == 0)
{
retsector = sec;
retsectorid = k;
}
}
else
return sec;
foundcount++;
}
}
if(xgDev)
{
if(foundcount > 1)
{
XG_Dev("XS_FindTagged: More than one sector exists with this tag (%i)!",tag);
XG_Dev(" The sector with the lowest ID (%i) will be used.", retsectorid);
}
if(retsector)
return retsector;
}
return NULL;
}
/**
* Returns a pointer to the first sector with the specified act tag.
*/
Sector *XS_FindActTagged(int tag)
{
uint k;
uint foundcount = 0;
uint retsectorid = 0;
Sector *sec, *retsector;
xsector_t *xsec;
retsector = NULL;
for(k = 0; k < numsectors; ++k)
{
sec = P_ToPtr(DMU_SECTOR, k);
xsec = P_ToXSector(sec);
if(xsec->xg)
{
if(xsec->xg->info.actTag == tag)
{
if(xgDev)
{
if(foundcount == 0)
{
retsector = sec;
retsectorid = k;
}
}
else
{
return sec;
}
foundcount++;
}
}
}
if(xgDev)
{
if(foundcount > 1)
{
XG_Dev("XS_FindActTagged: More than one sector exists with this ACT tag (%i)!",tag);
XG_Dev(" The sector with the lowest ID (%i) will be used.", retsectorid);
}
if(retsector)
return retsector;
}
return NULL;
}
#define FSETHF_MIN 0x1 // Get min. If not set, get max.
typedef struct findsectorextremaltextureheightparams_s {
Sector* baseSec;
byte flags;
int part;
coord_t val;
} findsectorextremalmaterialheightparams_t;
int findSectorExtremalMaterialHeight(void* ptr, void* context)
{
LineDef* li = (LineDef*) ptr;
findsectorextremalmaterialheightparams_t* params =
(findsectorextremalmaterialheightparams_t*) context;
coord_t height;
// The heights are in real world coordinates.
height = XS_TextureHeight(li, params->part);
if(params->flags & FSETHF_MIN)
{
if(height < params->val)
params->val = height;
}
else
{
if(height > params->val)
params->val = height;
}
return false; // Continue iteration.
}
boolean XS_GetPlane(LineDef* actline, Sector* sector, int ref, uint* refdata,
coord_t* height, material_t** mat, Sector** planeSector)
{
material_t* otherMat;
coord_t otherHeight;
Sector* otherSec = NULL, *iter;
xline_t* xline;
char buff[50];
if(refdata)
sprintf(buff, " : %i", *refdata);
if(xgDev)
{
XG_Dev("XS_GetPlane: Line %i, sector %i, ref (%s(%i)%s)",
actline ? P_ToIndex(actline) : -1, P_ToIndex(sector),
SPREFTYPESTR(ref), ref, refdata? buff : "" );
}
if(ref == SPREF_NONE || ref == SPREF_SPECIAL)