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q3cellshading/q3radiant/Brush.cpp
gmiranda db8ca37fa3 Initial commit 
git-svn-id: https://svn.code.sf.net/p/q3cellshading/code/trunk@2 db09e94b-7117-0410-a7e6-85ae5ff6e0e9
2006-07-05 14:05:49 +00:00

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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.
Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "stdafx.h"
#include <assert.h>
#include "qe3.h"
#include "winding.h"
// globals
int g_nBrushId = 0;
const char* Brush_Name(brush_t *b)
{
static char cBuff[1024];
b->numberId = g_nBrushId++;
if (g_qeglobals.m_bBrushPrimitMode)
{
sprintf(cBuff, "Brush %i", b->numberId);
Brush_SetEpair(b, "Name", cBuff);
}
return cBuff;
}
brush_t *Brush_Alloc()
{
brush_t *b = (brush_t*)qmalloc(sizeof(brush_t));
return b;
}
void PrintWinding (winding_t *w)
{
int i;
printf ("-------------\n");
for (i=0 ; i<w->numpoints ; i++)
printf ("(%5.2f, %5.2f, %5.2f)\n", w->points[i][0]
, w->points[i][1], w->points[i][2]);
}
void PrintPlane (plane_t *p)
{
printf ("(%5.2f, %5.2f, %5.2f) : %5.2f\n", p->normal[0], p->normal[1],
p->normal[2], p->dist);
}
void PrintVector (vec3_t v)
{
printf ("(%5.2f, %5.2f, %5.2f)\n", v[0], v[1], v[2]);
}
/*
=============================================================================
TEXTURE COORDINATES
=============================================================================
*/
/*
==================
textureAxisFromPlane
==================
*/
vec3_t baseaxis[18] =
{
{0,0,1}, {1,0,0}, {0,-1,0}, // floor
{0,0,-1}, {1,0,0}, {0,-1,0}, // ceiling
{1,0,0}, {0,1,0}, {0,0,-1}, // west wall
{-1,0,0}, {0,1,0}, {0,0,-1}, // east wall
{0,1,0}, {1,0,0}, {0,0,-1}, // south wall
{0,-1,0}, {1,0,0}, {0,0,-1} // north wall
};
void TextureAxisFromPlane(plane_t *pln, vec3_t xv, vec3_t yv)
{
int bestaxis;
float dot,best;
int i;
best = 0;
bestaxis = 0;
for (i=0 ; i<6 ; i++)
{
dot = DotProduct (pln->normal, baseaxis[i*3]);
if (dot > best)
{
best = dot;
bestaxis = i;
}
}
VectorCopy (baseaxis[bestaxis*3+1], xv);
VectorCopy (baseaxis[bestaxis*3+2], yv);
}
float lightaxis[3] = {0.6, 0.8, 1.0};
/*
================
SetShadeForPlane
Light different planes differently to
improve recognition
================
*/
float SetShadeForPlane (plane_t *p)
{
int i;
float f;
// axial plane
for (i=0 ; i<3 ; i++)
if (fabs(p->normal[i]) > 0.9)
{
f = lightaxis[i];
return f;
}
// between two axial planes
for (i=0 ; i<3 ; i++)
if (fabs(p->normal[i]) < 0.1)
{
f = (lightaxis[(i+1)%3] + lightaxis[(i+2)%3])/2;
return f;
}
// other
f= (lightaxis[0] + lightaxis[1] + lightaxis[2]) / 3;
return f;
}
vec3_t vecs[2];
float shift[2];
/*
================
Face_Alloc
================
*/
face_t *Face_Alloc( void )
{
face_t *f = (face_t*)qmalloc( sizeof( *f ) );
if (g_qeglobals.bSurfacePropertiesPlugin)
f->pData = static_cast<void *>( g_SurfaceTable.m_pfnTexdefAlloc( f ) );
return f;
}
/*
================
Face_Free
================
*/
void Face_Free( face_t *f )
{
assert( f != 0 );
if ( f->face_winding )
{
free( f->face_winding );
f->face_winding = 0;
}
if (g_qeglobals.bSurfacePropertiesPlugin)
{
#ifdef _DEBUG
if ( !f->pData )
{
Sys_Printf("WARNING: unexpected IPluginTexdef is NULL in Face_Free\n");
}
else
#endif
GETPLUGINTEXDEF(f)->DecRef();
}
f->texdef.~texdef_t();;
free( f );
}
/*
================
Face_Clone
================
*/
face_t *Face_Clone (face_t *f)
{
face_t *n;
n = Face_Alloc();
n->texdef = f->texdef;
memcpy (n->planepts, f->planepts, sizeof(n->planepts));
// all other fields are derived, and will be set by Brush_Build
return n;
}
/*
================
Face_FullClone
makes an exact copy of the face
================
*/
face_t *Face_FullClone (face_t *f)
{
face_t *n;
n = Face_Alloc();
n->texdef = f->texdef;
memcpy(n->planepts, f->planepts, sizeof(n->planepts));
memcpy(&n->plane, &f->plane, sizeof(plane_t));
if (f->face_winding)
n->face_winding = Winding_Clone(f->face_winding);
else
n->face_winding = NULL;
n->d_texture = Texture_ForName( n->texdef.name );
return n;
}
/*
================
Clamp
================
*/
void Clamp(float& f, int nClamp)
{
float fFrac = f - static_cast<int>(f);
f = static_cast<int>(f) % nClamp;
f += fFrac;
}
/*
================
Face_MoveTexture
================
*/
void Face_MoveTexture(face_t *f, vec3_t delta)
{
vec3_t vX, vY;
/*
#ifdef _DEBUG
if (g_PrefsDlg.m_bBrushPrimitMode)
Sys_Printf("Warning : Face_MoveTexture not done in brush primitive mode\n");
#endif
*/
if (g_qeglobals.m_bBrushPrimitMode)
Face_MoveTexture_BrushPrimit( f, delta );
else
{
TextureAxisFromPlane(&f->plane, vX, vY);
vec3_t vDP, vShift;
vDP[0] = DotProduct(delta, vX);
vDP[1] = DotProduct(delta, vY);
double fAngle = f->texdef.rotate / 180 * Q_PI;
double c = cos(fAngle);
double s = sin(fAngle);
vShift[0] = vDP[0] * c - vDP[1] * s;
vShift[1] = vDP[0] * s + vDP[1] * c;
if (!f->texdef.scale[0])
f->texdef.scale[0] = 1;
if (!f->texdef.scale[1])
f->texdef.scale[1] = 1;
f->texdef.shift[0] -= vShift[0] / f->texdef.scale[0];
f->texdef.shift[1] -= vShift[1] / f->texdef.scale[1];
// clamp the shifts
Clamp(f->texdef.shift[0], f->d_texture->width);
Clamp(f->texdef.shift[1], f->d_texture->height);
}
}
/*
================
Face_SetColor
================
*/
void Face_SetColor (brush_t *b, face_t *f, float fCurveColor)
{
float shade;
qtexture_t *q;
q = f->d_texture;
// set shading for face
shade = SetShadeForPlane (&f->plane);
if (g_pParentWnd->GetCamera()->Camera().draw_mode == cd_texture && !b->owner->eclass->fixedsize)
{
//if (b->curveBrush)
// shade = fCurveColor;
f->d_color[0] =
f->d_color[1] =
f->d_color[2] = shade;
}
else
{
f->d_color[0] = shade*q->color[0];
f->d_color[1] = shade*q->color[1];
f->d_color[2] = shade*q->color[2];
}
}
/*
================
Face_TextureVectors
TTimo: NOTE: this is never to get called while in brush primitives mode
================
*/
void Face_TextureVectors (face_t *f, float STfromXYZ[2][4])
{
vec3_t pvecs[2];
int sv, tv;
float ang, sinv, cosv;
float ns, nt;
int i,j;
qtexture_t *q;
texdef_t *td;
#ifdef _DEBUG
//++timo when playing with patches, this sometimes get called and the Warning is displayed
// find some way out ..
if (g_qeglobals.m_bBrushPrimitMode && !g_qeglobals.bNeedConvert)
Sys_Printf("Warning : illegal call of Face_TextureVectors in brush primitive mode\n");
#endif
td = &f->texdef;
q = f->d_texture;
memset (STfromXYZ, 0, 8*sizeof(float));
if (!td->scale[0])
td->scale[0] = (g_PrefsDlg.m_bHiColorTextures) ? 0.5 : 1;
if (!td->scale[1])
td->scale[1] = (g_PrefsDlg.m_bHiColorTextures) ? 0.5 : 1;
// get natural texture axis
TextureAxisFromPlane(&f->plane, pvecs[0], pvecs[1]);
// rotate axis
if (td->rotate == 0)
{ sinv = 0 ; cosv = 1; }
else if (td->rotate == 90)
{ sinv = 1 ; cosv = 0; }
else if (td->rotate == 180)
{ sinv = 0 ; cosv = -1; }
else if (td->rotate == 270)
{ sinv = -1 ; cosv = 0; }
else
{
ang = td->rotate / 180 * Q_PI;
sinv = sin(ang);
cosv = cos(ang);
}
if (pvecs[0][0])
sv = 0;
else if (pvecs[0][1])
sv = 1;
else
sv = 2;
if (pvecs[1][0])
tv = 0;
else if (pvecs[1][1])
tv = 1;
else
tv = 2;
for (i=0 ; i<2 ; i++) {
ns = cosv * pvecs[i][sv] - sinv * pvecs[i][tv];
nt = sinv * pvecs[i][sv] + cosv * pvecs[i][tv];
STfromXYZ[i][sv] = ns;
STfromXYZ[i][tv] = nt;
}
// scale
for (i=0 ; i<2 ; i++)
for (j=0 ; j<3 ; j++)
STfromXYZ[i][j] = STfromXYZ[i][j] / td->scale[i];
// shift
STfromXYZ[0][3] = td->shift[0];
STfromXYZ[1][3] = td->shift[1];
for (j=0 ; j<4 ; j++) {
STfromXYZ[0][j] /= q->width;
STfromXYZ[1][j] /= q->height;
}
}
/*
================
Face_MakePlane
================
*/
void Face_MakePlane (face_t *f)
{
int j;
vec3_t t1, t2, t3;
// convert to a vector / dist plane
for (j=0 ; j<3 ; j++)
{
t1[j] = f->planepts[0][j] - f->planepts[1][j];
t2[j] = f->planepts[2][j] - f->planepts[1][j];
t3[j] = f->planepts[1][j];
}
CrossProduct(t1,t2, f->plane.normal);
if (VectorCompare (f->plane.normal, vec3_origin))
printf ("WARNING: brush plane with no normal\n");
VectorNormalize (f->plane.normal);
f->plane.dist = DotProduct (t3, f->plane.normal);
}
/*
================
EmitTextureCoordinates
================
*/
void EmitTextureCoordinates ( float *xyzst, qtexture_t *q, face_t *f)
{
float STfromXYZ[2][4];
Face_TextureVectors (f, STfromXYZ);
xyzst[3] = DotProduct (xyzst, STfromXYZ[0]) + STfromXYZ[0][3];
xyzst[4] = DotProduct (xyzst, STfromXYZ[1]) + STfromXYZ[1][3];
}
//==========================================================================
/*
================
Brush_MakeFacePlanes
================
*/
void Brush_MakeFacePlanes (brush_t *b)
{
face_t *f;
for (f=b->brush_faces ; f ; f=f->next)
{
Face_MakePlane (f);
}
}
/*
================
DrawBrushEntityName
================
*/
void DrawBrushEntityName (brush_t *b)
{
char *name;
//float a, s, c;
//vec3_t mid;
//int i;
if (!b->owner)
return; // during contruction
if (b->owner == world_entity)
return;
if (b != b->owner->brushes.onext)
return; // not key brush
// MERGEME
#if 0
if (!(g_qeglobals.d_savedinfo.exclude & EXCLUDE_ANGLES))
{
// draw the angle pointer
a = FloatForKey (b->owner, "angle");
if (a)
{
s = sin (a/180*Q_PI);
c = cos (a/180*Q_PI);
for (i=0 ; i<3 ; i++)
mid[i] = (b->mins[i] + b->maxs[i])*0.5;
qglBegin (GL_LINE_STRIP);
qglVertex3fv (mid);
mid[0] += c*8;
mid[1] += s*8;
mid[2] += s*8;
qglVertex3fv (mid);
mid[0] -= c*4;
mid[1] -= s*4;
mid[2] -= s*4;
mid[0] -= s*4;
mid[1] += c*4;
mid[2] += c*4;
qglVertex3fv (mid);
mid[0] += c*4;
mid[1] += s*4;
mid[2] += s*4;
mid[0] += s*4;
mid[1] -= c*4;
mid[2] -= c*4;
qglVertex3fv (mid);
mid[0] -= c*4;
mid[1] -= s*4;
mid[2] -= s*4;
mid[0] += s*4;
mid[1] -= c*4;
mid[2] -= c*4;
qglVertex3fv (mid);
qglEnd ();
}
}
#endif
if (g_qeglobals.d_savedinfo.show_names)
{
name = ValueForKey (b->owner, "classname");
qglRasterPos3f (b->mins[0]+4, b->mins[1]+4, b->mins[2]+4);
qglCallLists (strlen(name), GL_UNSIGNED_BYTE, name);
}
}
/*
=================
Brush_MakeFaceWinding
returns the visible polygon on a face
=================
*/
winding_t *Brush_MakeFaceWinding (brush_t *b, face_t *face)
{
winding_t *w;
face_t *clip;
plane_t plane;
qboolean past;
// get a poly that covers an effectively infinite area
w = Winding_BaseForPlane (&face->plane);
// chop the poly by all of the other faces
past = false;
for (clip = b->brush_faces ; clip && w ; clip=clip->next)
{
if (clip == face)
{
past = true;
continue;
}
if (DotProduct (face->plane.normal, clip->plane.normal) > 0.999
&& fabs(face->plane.dist - clip->plane.dist) < 0.01 )
{ // identical plane, use the later one
if (past)
{
free (w);
return NULL;
}
continue;
}
// flip the plane, because we want to keep the back side
VectorSubtract (vec3_origin,clip->plane.normal, plane.normal);
plane.dist = -clip->plane.dist;
w = Winding_Clip (w, &plane, false);
if (!w)
return w;
}
if (w->numpoints < 3)
{
free(w);
w = NULL;
}
if (!w)
printf ("unused plane\n");
return w;
}
/*
=================
Brush_SnapPlanepts
=================
*/
void Brush_SnapPlanepts (brush_t *b)
{
int i, j;
face_t *f;
if (g_PrefsDlg.m_bNoClamp)
return;
for (f=b->brush_faces ; f; f=f->next)
for (i=0 ; i<3 ; i++)
for (j=0 ; j<3 ; j++)
f->planepts[i][j] = floor (f->planepts[i][j] + 0.5);
}
/*
** Brush_Build
**
** Builds a brush rendering data and also sets the min/max bounds
*/
// TTimo
// added a bConvert flag to convert between old and new brush texture formats
// TTimo
// brush grouping: update the group treeview if necessary
void Brush_Build( brush_t *b, bool bSnap, bool bMarkMap, bool bConvert )
{
bool bLocalConvert;
#ifdef _DEBUG
if (!g_qeglobals.m_bBrushPrimitMode && bConvert)
Sys_Printf("Warning : conversion from brush primitive to old brush format not implemented\n");
#endif
// if bConvert is set and g_qeglobals.bNeedConvert is not, that just means we need convert for this brush only
if (bConvert && !g_qeglobals.bNeedConvert)
{
bLocalConvert = true;
g_qeglobals.bNeedConvert = true;
}
/*
** build the windings and generate the bounding box
*/
Brush_BuildWindings(b, bSnap);
Patch_BuildPoints (b);
/*
** move the points and edges if in select mode
*/
if (g_qeglobals.d_select_mode == sel_vertex || g_qeglobals.d_select_mode == sel_edge)
SetupVertexSelection ();
if (b->itemOwner == NULL)
Group_AddToProperGroup(b);
if (bMarkMap)
{
Sys_MarkMapModified();
}
if (bLocalConvert)
g_qeglobals.bNeedConvert = false;
}
/*
==============
Brush_SplitBrushByFace
The incoming brush is NOT freed.
The incoming face is NOT left referenced.
==============
*/
void Brush_SplitBrushByFace (brush_t *in, face_t *f, brush_t **front, brush_t **back)
{
brush_t *b;
face_t *nf;
vec3_t temp;
b = Brush_Clone (in);
nf = Face_Clone (f);
nf->texdef = b->brush_faces->texdef;
nf->next = b->brush_faces;
b->brush_faces = nf;
Brush_Build( b );
Brush_RemoveEmptyFaces ( b );
if ( !b->brush_faces )
{ // completely clipped away
Brush_Free (b);
*back = NULL;
}
else
{
Entity_LinkBrush (in->owner, b);
*back = b;
}
b = Brush_Clone (in);
nf = Face_Clone (f);
// swap the plane winding
VectorCopy (nf->planepts[0], temp);
VectorCopy (nf->planepts[1], nf->planepts[0]);
VectorCopy (temp, nf->planepts[1]);
nf->texdef = b->brush_faces->texdef;
nf->next = b->brush_faces;
b->brush_faces = nf;
Brush_Build( b );
Brush_RemoveEmptyFaces ( b );
if ( !b->brush_faces )
{ // completely clipped away
Brush_Free (b);
*front = NULL;
}
else
{
Entity_LinkBrush (in->owner, b);
*front = b;
}
}
/*
=================
Brush_BestSplitFace
returns the best face to split the brush with.
return NULL if the brush is convex
=================
*/
face_t *Brush_BestSplitFace(brush_t *b)
{
face_t *face, *f, *bestface;
winding_t *front, *back;
int splits, tinywindings, value, bestvalue;
bestvalue = 999999;
bestface = NULL;
for (face = b->brush_faces; face; face = face->next)
{
splits = 0;
tinywindings = 0;
for (f = b->brush_faces; f; f = f->next)
{
if (f == face) continue;
//
Winding_SplitEpsilon(f->face_winding, face->plane.normal, face->plane.dist, 0.1, &front, &back);
if (!front)
{
Winding_Free(back);
}
else if (!back)
{
Winding_Free(front);
}
else
{
splits++;
if (Winding_IsTiny(front)) tinywindings++;
if (Winding_IsTiny(back)) tinywindings++;
}
}
if (splits)
{
value = splits + 50 * tinywindings;
if (value < bestvalue)
{
bestvalue = value;
bestface = face;
}
}
}
return bestface;
}
/*
=================
Brush_MakeConvexBrushes
MrE FIXME: this doesn't work because the old
Brush_SplitBrushByFace is used
Turns the brush into a minimal number of convex brushes.
If the input brush is convex then it will be returned.
Otherwise the input brush will be freed.
NOTE: the input brush should have windings for the faces.
=================
*/
brush_t *Brush_MakeConvexBrushes(brush_t *b)
{
brush_t *front, *back, *end;
face_t *face;
b->next = NULL;
face = Brush_BestSplitFace(b);
if (!face) return b;
Brush_SplitBrushByFace(b, face, &front, &back);
//this should never happen
if (!front && !back) return b;
Brush_Free(b);
if (!front)
return Brush_MakeConvexBrushes(back);
b = Brush_MakeConvexBrushes(front);
if (back)
{
for (end = b; end->next; end = end->next);
end->next = Brush_MakeConvexBrushes(back);
}
return b;
}
/*
=================
Brush_Convex
=================
*/
int Brush_Convex(brush_t *b)
{
face_t *face1, *face2;
for (face1 = b->brush_faces; face1; face1 = face1->next)
{
if (!face1->face_winding) continue;
for (face2 = b->brush_faces; face2; face2 = face2->next)
{
if (face1 == face2) continue;
if (!face2->face_winding) continue;
if (Winding_PlanesConcave(face1->face_winding, face2->face_winding,
face1->plane.normal, face2->plane.normal,
face1->plane.dist, face2->plane.dist))
{
return false;
}
}
}
return true;
}
/*
=================
Brush_MoveVertexes_old1
- The input brush must have face windings.
- The input brush must be a brush with faces that do not intersect.
- The input brush does not have to be convex.
- The vertex will not be moved if the movement either causes the
brush to have faces that intersect or causes the brush to be
flipped inside out.
(For instance a tetrahedron can easily be flipped inside out
without having faces that intersect.)
- The created brush does not have to be convex.
- Returns true if the vertex movement is performed.
=================
*/
#define MAX_MOVE_FACES 64
#define INTERSECT_EPSILON 0.1
#define POINT_EPSILON 0.3
int Brush_MoveVertex_old1(brush_t *b, vec3_t vertex, vec3_t delta, vec3_t end, bool bSnap)
{
face_t *f, *face, *newface, *lastface, *nextface;
face_t *movefaces[MAX_MOVE_FACES];
int movefacepoints[MAX_MOVE_FACES];
winding_t *w, tmpw;
int i, j, k, nummovefaces, result;
float dot;
result = false;
//
tmpw.numpoints = 3;
tmpw.maxpoints = 3;
VectorAdd(vertex, delta, end);
//snap or not?
if (bSnap)
for (i = 0; i < 3; i++)
end[i] = floor(end[i] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
//chop off triangles from all brush faces that use the to be moved vertex
//store pointers to these chopped off triangles in movefaces[]
nummovefaces = 0;
for (face = b->brush_faces; face; face = face->next)
{
w = face->face_winding;
if (!w) continue;
for (i = 0; i < w->numpoints; i++)
{
if (Point_Equal(w->points[i], vertex, POINT_EPSILON))
{
if (face->face_winding->numpoints <= 3)
{
movefacepoints[nummovefaces] = i;
movefaces[nummovefaces++] = face;
break;
}
dot = DotProduct(end, face->plane.normal) - face->plane.dist;
//if the end point is in front of the face plane
if (dot > 0.1)
{
//fanout triangle subdivision
for (k = i; k < i + w->numpoints-3; k++)
{
VectorCopy(w->points[i], tmpw.points[0]);
VectorCopy(w->points[(k+1) % w->numpoints], tmpw.points[1]);
VectorCopy(w->points[(k+2) % w->numpoints], tmpw.points[2]);
//
newface = Face_Clone(face);
//get the original
for (f = face; f->original; f = f->original) ;
newface->original = f;
//store the new winding
if (newface->face_winding) Winding_Free(newface->face_winding);
newface->face_winding = Winding_Clone(&tmpw);
//get the texture
newface->d_texture = Texture_ForName( newface->texdef.name );
//add the face to the brush
newface->next = b->brush_faces;
b->brush_faces = newface;
//add this new triangle to the move faces
movefacepoints[nummovefaces] = 0;
movefaces[nummovefaces++] = newface;
}
//give the original face a new winding
VectorCopy(w->points[(i-2+w->numpoints) % w->numpoints], tmpw.points[0]);
VectorCopy(w->points[(i-1+w->numpoints) % w->numpoints], tmpw.points[1]);
VectorCopy(w->points[i], tmpw.points[2]);
Winding_Free(face->face_winding);
face->face_winding = Winding_Clone(&tmpw);
//add the original face to the move faces
movefacepoints[nummovefaces] = 2;
movefaces[nummovefaces++] = face;
}
else
{
//chop a triangle off the face
VectorCopy(w->points[(i-1+w->numpoints) % w->numpoints], tmpw.points[0]);
VectorCopy(w->points[i], tmpw.points[1]);
VectorCopy(w->points[(i+1) % w->numpoints], tmpw.points[2]);
//remove the point from the face winding
Winding_RemovePoint(w, i);
//get texture crap right
Face_SetColor(b, face, 1.0);
for (j = 0; j < w->numpoints; j++)
EmitTextureCoordinates(w->points[j], face->d_texture, face);
//make a triangle face
newface = Face_Clone(face);
//get the original
for (f = face; f->original; f = f->original) ;
newface->original = f;
//store the new winding
if (newface->face_winding) Winding_Free(newface->face_winding);
newface->face_winding = Winding_Clone(&tmpw);
//get the texture
newface->d_texture = Texture_ForName( newface->texdef.name );
//add the face to the brush
newface->next = b->brush_faces;
b->brush_faces = newface;
//
movefacepoints[nummovefaces] = 1;
movefaces[nummovefaces++] = newface;
}
break;
}
}
}
//now movefaces contains pointers to triangle faces that
//contain the to be moved vertex
//check if the move is valid
int l;
vec3_t p1, p2;
winding_t *w2;
plane_t plane;
face = NULL;
VectorCopy(vertex, tmpw.points[1]);
VectorCopy(end, tmpw.points[2]);
for (face = b->brush_faces; face; face = face->next)
{
for (i = 0; i < nummovefaces; i++)
{
if (face == movefaces[i])
break;
}
if (i < nummovefaces)
continue;
//the delta vector may not intersect with any of the not move faces
if (Winding_VectorIntersect(face->face_winding, &face->plane, vertex, end, INTERSECT_EPSILON))
break;
//if the end point of the to be moved vertex is near this not move face
if (abs(DotProduct(face->plane.normal, end) - face->plane.dist) < 0.5)
{
//the end point may not be inside or very close to the not move face winding
if (Winding_PointInside(face->face_winding, &face->plane, end, 0.5))
break;
}
for (i = 0; i < nummovefaces; i++)
{
w = movefaces[i]->face_winding;
j = movefacepoints[i];
for (k = -1; k <= 1; k += 2)
{
//check if the new edge will not intersect with the not move face
VectorCopy(w->points[(j + k + w->numpoints) % w->numpoints], tmpw.points[0]);
if (Winding_VectorIntersect(face->face_winding, &face->plane, tmpw.points[0], end, INTERSECT_EPSILON))
{
//ok the new edge instersects with the not move face
//we can't perform the vertex movement
//break;
}
//check if the not move face intersects the "movement winding"
Winding_Plane(&tmpw, plane.normal, &plane.dist);
w2 = face->face_winding;
for (l = 0; l < w2->numpoints; l++)
{
VectorCopy(w2->points[l], p1);
if (Point_Equal(p1, tmpw.points[0], POINT_EPSILON)) continue;
VectorCopy(w2->points[(l+1) % w2->numpoints], p2);
if (Point_Equal(p2, tmpw.points[0], POINT_EPSILON)) continue;
if (Winding_VectorIntersect(&tmpw, &plane, p1, p2, INTERSECT_EPSILON))
break;
}
if (l < w2->numpoints)
{
//ok this not move face intersects the "movement winding"
//we can't perform the vertex movement
break;
}
}
if (k <= 1) break;
}
if (i < nummovefaces)
break;
}
if (!face)
{
//ok the move was valid
//now move all the vertexes of the movefaces
for (i = 0; i < nummovefaces; i++)
{
VectorCopy(end, movefaces[i]->face_winding->points[movefacepoints[i]]);
//create new face plane
for (j = 0; j < 3; j++)
{
VectorCopy(movefaces[i]->face_winding->points[j], movefaces[i]->planepts[j]);
}
Face_MakePlane(movefaces[i]);
}
result = true;
}
//get texture crap right
for (i = 0; i < nummovefaces; i++)
{
Face_SetColor(b, movefaces[i], 1.0);
for (j = 0; j < movefaces[i]->face_winding->numpoints; j++)
EmitTextureCoordinates(movefaces[i]->face_winding->points[j], movefaces[i]->d_texture, movefaces[i]);
}
//now try to merge faces with their original faces
lastface = NULL;
for (face = b->brush_faces; face; face = nextface)
{
nextface = face->next;
if (!face->original)
{
lastface = face;
continue;
}
if (!Plane_Equal(&face->plane, &face->original->plane, false))
{
lastface = face;
continue;
}
w = Winding_TryMerge(face->face_winding, face->original->face_winding, face->plane.normal, true);
if (!w)
{
lastface = face;
continue;
}
Winding_Free(face->original->face_winding);
face->original->face_winding = w;
//get texture crap right
Face_SetColor(b, face->original, 1.0);
for (j = 0; j < face->original->face_winding->numpoints; j++)
EmitTextureCoordinates(face->original->face_winding->points[j], face->original->d_texture, face->original);
//remove the face that was merged with the original
if (lastface) lastface->next = face->next;
else b->brush_faces = face->next;
Face_Free(face);
}
return result;
}
/*
=================
Brush_MoveVertexes_old2
- The input brush must be convex
- The input brush must have face windings.
- The output brush will be convex.
- Returns true if the vertex movement is performed.
=================
*/
#define MAX_MOVE_FACES 64
#define INTERSECT_EPSILON 0.1
#define POINT_EPSILON 0.3
int Brush_MoveVertex_old2(brush_t *b, vec3_t vertex, vec3_t delta, vec3_t end, bool bSnap)
{
face_t *f, *face, *newface, *lastface, *nextface;
face_t *movefaces[MAX_MOVE_FACES];
int movefacepoints[MAX_MOVE_FACES];
winding_t *w, tmpw;
int i, j, k, nummovefaces, result;
float dot;
result = true;
//
tmpw.numpoints = 3;
tmpw.maxpoints = 3;
VectorAdd(vertex, delta, end);
//snap or not?
if (bSnap)
for (i = 0; i < 3; i++)
end[i] = floor(end[i] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
//chop off triangles from all brush faces that use the to be moved vertex
//store pointers to these chopped off triangles in movefaces[]
nummovefaces = 0;
for (face = b->brush_faces; face; face = face->next)
{
w = face->face_winding;
if (!w) continue;
for (i = 0; i < w->numpoints; i++)
{
if (Point_Equal(w->points[i], vertex, POINT_EPSILON))
{
if (face->face_winding->numpoints <= 3)
{
movefacepoints[nummovefaces] = i;
movefaces[nummovefaces++] = face;
break;
}
dot = DotProduct(end, face->plane.normal) - face->plane.dist;
//if the end point is in front of the face plane
if (dot > 0.1)
{
//fanout triangle subdivision
for (k = i; k < i + w->numpoints-3; k++)
{
VectorCopy(w->points[i], tmpw.points[0]);
VectorCopy(w->points[(k+1) % w->numpoints], tmpw.points[1]);
VectorCopy(w->points[(k+2) % w->numpoints], tmpw.points[2]);
//
newface = Face_Clone(face);
//get the original
for (f = face; f->original; f = f->original) ;
newface->original = f;
//store the new winding
if (newface->face_winding) Winding_Free(newface->face_winding);
newface->face_winding = Winding_Clone(&tmpw);
//get the texture
newface->d_texture = Texture_ForName( newface->texdef.name );
//add the face to the brush
newface->next = b->brush_faces;
b->brush_faces = newface;
//add this new triangle to the move faces
movefacepoints[nummovefaces] = 0;
movefaces[nummovefaces++] = newface;
}
//give the original face a new winding
VectorCopy(w->points[(i-2+w->numpoints) % w->numpoints], tmpw.points[0]);
VectorCopy(w->points[(i-1+w->numpoints) % w->numpoints], tmpw.points[1]);
VectorCopy(w->points[i], tmpw.points[2]);
Winding_Free(face->face_winding);
face->face_winding = Winding_Clone(&tmpw);
//add the original face to the move faces
movefacepoints[nummovefaces] = 2;
movefaces[nummovefaces++] = face;
}
else
{
//chop a triangle off the face
VectorCopy(w->points[(i-1+w->numpoints) % w->numpoints], tmpw.points[0]);
VectorCopy(w->points[i], tmpw.points[1]);
VectorCopy(w->points[(i+1) % w->numpoints], tmpw.points[2]);
//remove the point from the face winding
Winding_RemovePoint(w, i);
//get texture crap right
Face_SetColor(b, face, 1.0);
for (j = 0; j < w->numpoints; j++)
EmitTextureCoordinates(w->points[j], face->d_texture, face);
//make a triangle face
newface = Face_Clone(face);
//get the original
for (f = face; f->original; f = f->original) ;
newface->original = f;
//store the new winding
if (newface->face_winding) Winding_Free(newface->face_winding);
newface->face_winding = Winding_Clone(&tmpw);
//get the texture
newface->d_texture = Texture_ForName( newface->texdef.name );
//add the face to the brush
newface->next = b->brush_faces;
b->brush_faces = newface;
//
movefacepoints[nummovefaces] = 1;
movefaces[nummovefaces++] = newface;
}
break;
}
}
}
//now movefaces contains pointers to triangle faces that
//contain the to be moved vertex
//move the vertex
for (i = 0; i < nummovefaces; i++)
{
//move vertex to end position
VectorCopy(end, movefaces[i]->face_winding->points[movefacepoints[i]]);
//create new face plane
for (j = 0; j < 3; j++)
{
VectorCopy(movefaces[i]->face_winding->points[j], movefaces[i]->planepts[j]);
}
Face_MakePlane(movefaces[i]);
}
//if the brush is no longer convex
if (!Brush_Convex(b))
{
for (i = 0; i < nummovefaces; i++)
{
//move the vertex back to the initial position
VectorCopy(vertex, movefaces[i]->face_winding->points[movefacepoints[i]]);
//create new face plane
for (j = 0; j < 3; j++)
{
VectorCopy(movefaces[i]->face_winding->points[j], movefaces[i]->planepts[j]);
}
Face_MakePlane(movefaces[i]);
}
result = false;
}
//get texture crap right
for (i = 0; i < nummovefaces; i++)
{
Face_SetColor(b, movefaces[i], 1.0);
for (j = 0; j < movefaces[i]->face_winding->numpoints; j++)
EmitTextureCoordinates(movefaces[i]->face_winding->points[j], movefaces[i]->d_texture, movefaces[i]);
}
//now try to merge faces with their original faces
lastface = NULL;
for (face = b->brush_faces; face; face = nextface)
{
nextface = face->next;
if (!face->original)
{
lastface = face;
continue;
}
if (!Plane_Equal(&face->plane, &face->original->plane, false))
{
lastface = face;
continue;
}
w = Winding_TryMerge(face->face_winding, face->original->face_winding, face->plane.normal, true);
if (!w)
{
lastface = face;
continue;
}
Winding_Free(face->original->face_winding);
face->original->face_winding = w;
//get texture crap right
Face_SetColor(b, face->original, 1.0);
for (j = 0; j < face->original->face_winding->numpoints; j++)
EmitTextureCoordinates(face->original->face_winding->points[j], face->original->d_texture, face->original);
//remove the face that was merged with the original
if (lastface) lastface->next = face->next;
else b->brush_faces = face->next;
Face_Free(face);
}
return result;
}
/*
=================
Brush_MoveVertexes
- The input brush must be convex
- The input brush must have face windings.
- The output brush will be convex.
- Returns true if the WHOLE vertex movement is performed.
=================
*/
#define MAX_MOVE_FACES 64
int Brush_MoveVertex(brush_t *b, vec3_t vertex, vec3_t delta, vec3_t end, bool bSnap)
{
face_t *f, *face, *newface, *lastface, *nextface;
face_t *movefaces[MAX_MOVE_FACES];
int movefacepoints[MAX_MOVE_FACES];
winding_t *w, tmpw;
vec3_t start, mid;
plane_t plane;
int i, j, k, nummovefaces, result, done;
float dot, front, back, frac, smallestfrac;
result = true;
//
tmpw.numpoints = 3;
tmpw.maxpoints = 3;
VectorCopy(vertex, start);
VectorAdd(vertex, delta, end);
//snap or not?
if (bSnap)
for (i = 0; i < 3; i++)
end[i] = floor(end[i] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
//
VectorCopy(end, mid);
//if the start and end are the same
if (Point_Equal(start, end, 0.3)) return false;
//the end point may not be the same as another vertex
for (face = b->brush_faces; face; face = face->next)
{
w = face->face_winding;
if (!w) continue;
for (i = 0; i < w->numpoints; i++)
{
if (Point_Equal(w->points[i], end, 0.3))
{
VectorCopy(vertex, end);
return false;
}
}
}
//
done = false;
while(!done)
{
//chop off triangles from all brush faces that use the to be moved vertex
//store pointers to these chopped off triangles in movefaces[]
nummovefaces = 0;
for (face = b->brush_faces; face; face = face->next)
{
w = face->face_winding;
if (!w) continue;
for (i = 0; i < w->numpoints; i++)
{
if (Point_Equal(w->points[i], start, 0.2))
{
if (face->face_winding->numpoints <= 3)
{
movefacepoints[nummovefaces] = i;
movefaces[nummovefaces++] = face;
break;
}
dot = DotProduct(end, face->plane.normal) - face->plane.dist;
//if the end point is in front of the face plane
if (dot > 0.1)
{
//fanout triangle subdivision
for (k = i; k < i + w->numpoints-3; k++)
{
VectorCopy(w->points[i], tmpw.points[0]);
VectorCopy(w->points[(k+1) % w->numpoints], tmpw.points[1]);
VectorCopy(w->points[(k+2) % w->numpoints], tmpw.points[2]);
//
newface = Face_Clone(face);
//get the original
for (f = face; f->original; f = f->original) ;
newface->original = f;
//store the new winding
if (newface->face_winding) Winding_Free(newface->face_winding);
newface->face_winding = Winding_Clone(&tmpw);
//get the texture
newface->d_texture = Texture_ForName( newface->texdef.name );
//add the face to the brush
newface->next = b->brush_faces;
b->brush_faces = newface;
//add this new triangle to the move faces
movefacepoints[nummovefaces] = 0;
movefaces[nummovefaces++] = newface;
}
//give the original face a new winding
VectorCopy(w->points[(i-2+w->numpoints) % w->numpoints], tmpw.points[0]);
VectorCopy(w->points[(i-1+w->numpoints) % w->numpoints], tmpw.points[1]);
VectorCopy(w->points[i], tmpw.points[2]);
Winding_Free(face->face_winding);
face->face_winding = Winding_Clone(&tmpw);
//add the original face to the move faces
movefacepoints[nummovefaces] = 2;
movefaces[nummovefaces++] = face;
}
else
{
//chop a triangle off the face
VectorCopy(w->points[(i-1+w->numpoints) % w->numpoints], tmpw.points[0]);
VectorCopy(w->points[i], tmpw.points[1]);
VectorCopy(w->points[(i+1) % w->numpoints], tmpw.points[2]);
//remove the point from the face winding
Winding_RemovePoint(w, i);
//get texture crap right
Face_SetColor(b, face, 1.0);
for (j = 0; j < w->numpoints; j++)
EmitTextureCoordinates(w->points[j], face->d_texture, face);
//make a triangle face
newface = Face_Clone(face);
//get the original
for (f = face; f->original; f = f->original) ;
newface->original = f;
//store the new winding
if (newface->face_winding) Winding_Free(newface->face_winding);
newface->face_winding = Winding_Clone(&tmpw);
//get the texture
newface->d_texture = Texture_ForName( newface->texdef.name );
//add the face to the brush
newface->next = b->brush_faces;
b->brush_faces = newface;
//
movefacepoints[nummovefaces] = 1;
movefaces[nummovefaces++] = newface;
}
break;
}
}
}
//now movefaces contains pointers to triangle faces that
//contain the to be moved vertex
//
done = true;
VectorCopy(end, mid);
smallestfrac = 1;
for (face = b->brush_faces; face; face = face->next)
{
//check if there is a move face that has this face as the original
for (i = 0; i < nummovefaces; i++)
{
if (movefaces[i]->original == face) break;
}
if (i >= nummovefaces) continue;
//check if the original is not a move face itself
for (j = 0; j < nummovefaces; j++)
{
if (face == movefaces[j]) break;
}
//if the original is not a move face itself
if (j >= nummovefaces)
{
memcpy(&plane, &movefaces[i]->original->plane, sizeof(plane_t));
}
else
{
k = movefacepoints[j];
w = movefaces[j]->face_winding;
VectorCopy(w->points[(k+1)%w->numpoints], tmpw.points[0]);
VectorCopy(w->points[(k+2)%w->numpoints], tmpw.points[1]);
//
k = movefacepoints[i];
w = movefaces[i]->face_winding;
VectorCopy(w->points[(k+1)%w->numpoints], tmpw.points[2]);
if (!Plane_FromPoints(tmpw.points[0], tmpw.points[1], tmpw.points[2], &plane))
{
VectorCopy(w->points[(k+2)%w->numpoints], tmpw.points[2]);
if (!Plane_FromPoints(tmpw.points[0], tmpw.points[1], tmpw.points[2], &plane))
//this should never happen otherwise the face merge did a crappy job a previous pass
continue;
}
}
//now we've got the plane to check agains
front = DotProduct(start, plane.normal) - plane.dist;
back = DotProduct(end, plane.normal) - plane.dist;
//if the whole move is at one side of the plane
if (front < 0.01 && back < 0.01) continue;
if (front > -0.01 && back > -0.01) continue;
//if there's no movement orthogonal to this plane at all
if (fabs(front-back) < 0.001) continue;
//ok first only move till the plane is hit
frac = front/(front-back);
if (frac < smallestfrac)
{
mid[0] = start[0] + (end[0] - start[0]) * frac;
mid[1] = start[1] + (end[1] - start[1]) * frac;
mid[2] = start[2] + (end[2] - start[2]) * frac;
smallestfrac = frac;
}
//
done = false;
}
//move the vertex
for (i = 0; i < nummovefaces; i++)
{
//move vertex to end position
VectorCopy(mid, movefaces[i]->face_winding->points[movefacepoints[i]]);
//create new face plane
for (j = 0; j < 3; j++)
{
VectorCopy(movefaces[i]->face_winding->points[j], movefaces[i]->planepts[j]);
}
Face_MakePlane(movefaces[i]);
if (VectorLength(movefaces[i]->plane.normal) < 0.1)
result = false;
}
//if the brush is no longer convex
if (!result || !Brush_Convex(b))
{
for (i = 0; i < nummovefaces; i++)
{
//move the vertex back to the initial position
VectorCopy(start, movefaces[i]->face_winding->points[movefacepoints[i]]);
//create new face plane
for (j = 0; j < 3; j++)
{
VectorCopy(movefaces[i]->face_winding->points[j], movefaces[i]->planepts[j]);
}
Face_MakePlane(movefaces[i]);
}
result = false;
VectorCopy(start, end);
done = true;
}
else
{
VectorCopy(mid, start);
}
//get texture crap right
for (i = 0; i < nummovefaces; i++)
{
Face_SetColor(b, movefaces[i], 1.0);
for (j = 0; j < movefaces[i]->face_winding->numpoints; j++)
EmitTextureCoordinates(movefaces[i]->face_winding->points[j], movefaces[i]->d_texture, movefaces[i]);
}
//now try to merge faces with their original faces
lastface = NULL;
for (face = b->brush_faces; face; face = nextface)
{
nextface = face->next;
if (!face->original)
{
lastface = face;
continue;
}
if (!Plane_Equal(&face->plane, &face->original->plane, false))
{
lastface = face;
continue;
}
w = Winding_TryMerge(face->face_winding, face->original->face_winding, face->plane.normal, true);
if (!w)
{
lastface = face;
continue;
}
Winding_Free(face->original->face_winding);
face->original->face_winding = w;
//get texture crap right
Face_SetColor(b, face->original, 1.0);
for (j = 0; j < face->original->face_winding->numpoints; j++)
EmitTextureCoordinates(face->original->face_winding->points[j], face->original->d_texture, face->original);
//remove the face that was merged with the original
if (lastface) lastface->next = face->next;
else b->brush_faces = face->next;
Face_Free(face);
}
}
return result;
}
/*
=================
Brush_InsertVertexBetween
=================
*/
int Brush_InsertVertexBetween(brush_t *b, vec3_t p1, vec3_t p2)
{
face_t *face;
winding_t *w, *neww;
vec3_t point;
int i, insert;
if (Point_Equal(p1, p2, 0.4))
return false;
VectorAdd(p1, p2, point);
VectorScale(point, 0.5, point);
insert = false;
//the end point may not be the same as another vertex
for (face = b->brush_faces; face; face = face->next)
{
w = face->face_winding;
if (!w) continue;
neww = NULL;
for (i = 0; i < w->numpoints; i++)
{
if (!Point_Equal(w->points[i], p1, 0.1))
continue;
if (Point_Equal(w->points[(i+1) % w->numpoints], p2, 0.1))
{
neww = Winding_InsertPoint(w, point, (i+1) % w->numpoints);
break;
}
else if (Point_Equal(w->points[(i-1+w->numpoints) % w->numpoints], p2, 0.3))
{
neww = Winding_InsertPoint(w, point, i);
break;
}
}
if (neww)
{
Winding_Free(face->face_winding);
face->face_winding = neww;
insert = true;
}
}
return insert;
}
/*
=================
Brush_ResetFaceOriginals
=================
*/
void Brush_ResetFaceOriginals(brush_t *b)
{
face_t *face;
for (face = b->brush_faces; face; face = face->next)
{
face->original = NULL;
}
}
/*
=================
Brush_Parse
The brush is NOT linked to any list
=================
*/
//++timo FIXME: when using old brush primitives, the test loop for "Brush" and "patchDef2" "patchDef3" is ran
// before each face parsing. It works, but it's a performance hit
brush_t *Brush_Parse (void)
{
brush_t *b;
face_t *f;
int i,j;
g_qeglobals.d_parsed_brushes++;
b = Brush_Alloc();
do
{
if (!GetToken (true))
break;
if (!strcmp (token, "}") )
break;
// handle "Brush" primitive
if (strcmpi(token, "brushDef") == 0)
{
// Timo parsing new brush format
g_qeglobals.bPrimitBrushes=true;
// check the map is not mixing the two kinds of brushes
if (g_qeglobals.m_bBrushPrimitMode)
{
if (g_qeglobals.bOldBrushes)
Sys_Printf("Warning : old brushes and brush primitive in the same file are not allowed ( Brush_Parse )\n");
}
//++Timo write new brush primitive -> old conversion code for Q3->Q2 conversions ?
else
Sys_Printf("Warning : conversion code from brush primitive not done ( Brush_Parse )\n");
BrushPrimit_Parse(b);
if (b == NULL)
{
Warning ("parsing brush primitive");
return NULL;
}
else
{
continue;
}
}
if ( strcmpi( token, "terrainDef" ) == 0 )
{
free (b);
b = Terrain_Parse();
if (b == NULL)
{
Warning ("parsing terrain/brush");
return NULL;
}
else
{
continue;
}
}
if (strcmpi(token, "patchDef2") == 0 || strcmpi(token, "patchDef3") == 0)
{
free (b);
// double string compare but will go away soon
b = Patch_Parse(strcmpi(token, "patchDef2") == 0);
if (b == NULL)
{
Warning ("parsing patch/brush");
return NULL;
}
else
{
continue;
}
// handle inline patch
}
else
{
// Timo parsing old brush format
g_qeglobals.bOldBrushes=true;
if (g_qeglobals.m_bBrushPrimitMode)
{
// check the map is not mixing the two kinds of brushes
if (g_qeglobals.bPrimitBrushes)
Sys_Printf("Warning : old brushes and brush primitive in the same file are not allowed ( Brush_Parse )\n");
// set the "need" conversion flag
g_qeglobals.bNeedConvert=true;
}
f = Face_Alloc();
// add the brush to the end of the chain, so
// loading and saving a map doesn't reverse the order
f->next = NULL;
if (!b->brush_faces)
{
b->brush_faces = f;
}
else
{
face_t *scan;
for (scan=b->brush_faces ; scan->next ; scan=scan->next)
;
scan->next = f;
}
// read the three point plane definition
for (i=0 ; i<3 ; i++)
{
if (i != 0)
GetToken (true);
if (strcmp (token, "(") )
{
Warning ("parsing brush");
return NULL;
}
for (j=0 ; j<3 ; j++)
{
GetToken (false);
f->planepts[i][j] = atof(token);
}
GetToken (false);
if (strcmp (token, ")") )
{
Warning ("parsing brush");
return NULL;
}
}
}
// Timo
// if we have a surface plugin, we'll call the plugin parsing
if (g_qeglobals.bSurfacePropertiesPlugin)
{
GETPLUGINTEXDEF(f)->ParseTexdef();
}
else
{
// read the texturedef
GetToken (false);
f->texdef.SetName(token);
if (token[0] == '(')
{
int i = 32;
}
GetToken (false);
f->texdef.shift[0] = atoi(token);
GetToken (false);
f->texdef.shift[1] = atoi(token);
GetToken (false);
f->texdef.rotate = atoi(token);
GetToken (false);
f->texdef.scale[0] = atof(token);
GetToken (false);
f->texdef.scale[1] = atof(token);
// the flags and value field aren't necessarily present
f->d_texture = Texture_ForName( f->texdef.name );
f->texdef.flags = f->d_texture->flags;
f->texdef.value = f->d_texture->value;
f->texdef.contents = f->d_texture->contents;
if (TokenAvailable ())
{
GetToken (false);
f->texdef.contents = atoi(token);
GetToken (false);
f->texdef.flags = atoi(token);
GetToken (false);
f->texdef.value = atoi(token);
}
}
} while (1);
return b;
}
/*
=================
QERApp_MapPrintf_FILE
callback for surface properties plugin
must fit a PFN_QERAPP_MAPPRINTF ( see isurfaceplugin.h )
=================
*/
// carefully initialize !
FILE * g_File;
void WINAPI QERApp_MapPrintf_FILE( char *text, ... )
{
va_list argptr;
char buf[32768];
va_start (argptr,text);
vsprintf (buf, text,argptr);
va_end (argptr);
fprintf( g_File, buf );
}
/*
==============
Brush_SetEpair
sets an epair for the given brush
==============
*/
void Brush_SetEpair(brush_t *b, const char *pKey, const char *pValue)
{
if (g_qeglobals.m_bBrushPrimitMode)
{
if (b->patchBrush)
{
Patch_SetEpair(b->pPatch, pKey, pValue);
}
else if (b->terrainBrush)
{
Terrain_SetEpair(b->pTerrain, pKey, pValue);
}
else
{
SetKeyValue(b->epairs, pKey, pValue);
}
}
else
{
Sys_Printf("Can only set key/values in Brush primitive mode\n");
}
}
/*
=================
Brush_GetKeyValue
=================
*/
const char* Brush_GetKeyValue(brush_t *b, const char *pKey)
{
if (g_qeglobals.m_bBrushPrimitMode)
{
if (b->patchBrush)
{
return Patch_GetKeyValue(b->pPatch, pKey);
}
else if (b->terrainBrush)
{
return Terrain_GetKeyValue(b->pTerrain, pKey);
}
else
{
return ValueForKey(b->epairs, pKey);
}
}
else
{
Sys_Printf("Can only set brush/patch key/values in Brush primitive mode\n");
}
return "";
}
/*
=================
Brush_Write
save all brushes as Brush primitive format
=================
*/
void Brush_Write (brush_t *b, FILE *f)
{
epair_t *ep;
face_t *fa;
char *pname;
int i;
if (b->patchBrush)
{
Patch_Write(b->pPatch, f);
return;
}
if ( b->pTerrain )
{
Terrain_Write(b->pTerrain, f);
return;
}
if (g_qeglobals.m_bBrushPrimitMode)
{
// save brush primitive format
fprintf (f, "{\nbrushDef\n{\n");
// brush epairs
if (b->epairs)
for (ep = b->epairs ; ep ; ep=ep->next)
fprintf (f, "\"%s\" \"%s\"\n", ep->key, ep->value);
for (fa=b->brush_faces ; fa ; fa=fa->next)
{
// save planepts
for (i=0 ; i<3 ; i++)
{
fprintf(f, "( ");
for (int j = 0; j < 3; j++)
if (fa->planepts[i][j] == static_cast<int>(fa->planepts[i][j]))
fprintf(f, "%i ", static_cast<int>(fa->planepts[i][j]));
else
fprintf(f, "%f ", fa->planepts[i][j]);
fprintf(f, ") ");
}
// save texture coordinates
fprintf(f,"( ( ");
for (i=0 ; i<3 ; i++)
if (fa->brushprimit_texdef.coords[0][i] == static_cast<int>(fa->brushprimit_texdef.coords[0][i]))
fprintf(f,"%i ",static_cast<int>(fa->brushprimit_texdef.coords[0][i]));
else
fprintf(f,"%f ",fa->brushprimit_texdef.coords[0][i]);
fprintf(f,") ( ");
for (i=0 ; i<3 ; i++)
if (fa->brushprimit_texdef.coords[1][i] == static_cast<int>(fa->brushprimit_texdef.coords[1][i]))
fprintf(f,"%i ",static_cast<int>(fa->brushprimit_texdef.coords[1][i]));
else
fprintf(f,"%f ",fa->brushprimit_texdef.coords[1][i]);
fprintf(f,") ) ");
// save texture attribs
//++timo surface properties plugin not implemented for brush primitives
if (g_qeglobals.bSurfacePropertiesPlugin)
Sys_Printf("WARNING: surface properties plugin not supported with brush primitives (yet)\n");
char *pName = strlen(fa->texdef.name) > 0 ? fa->texdef.name : "unnamed";
fprintf(f, "%s ", pName );
fprintf(f, "%i %i %i\n", fa->texdef.contents, fa->texdef.flags, fa->texdef.value);
}
fprintf (f, "}\n}\n");
}
else
{
fprintf (f, "{\n");
for (fa=b->brush_faces ; fa ; fa=fa->next)
{
for (i=0 ; i<3 ; i++)
{
fprintf(f, "( ");
for (int j = 0; j < 3; j++)
{
if (fa->planepts[i][j] == static_cast<int>(fa->planepts[i][j]))
fprintf(f, "%i ", static_cast<int>(fa->planepts[i][j]));
else
fprintf(f, "%f ", fa->planepts[i][j]);
}
fprintf(f, ") ");
}
if (g_qeglobals.bSurfacePropertiesPlugin)
{
g_File = f;
#ifdef _DEBUG
if (!fa->pData)
Sys_Printf("ERROR: unexpected IPluginTexdef* is NULL in Brush_Write\n");
else
#endif
GETPLUGINTEXDEF(fa)->WriteTexdef( QERApp_MapPrintf_FILE );
}
else
{
pname = fa->texdef.name;
if (pname[0] == 0)
pname = "unnamed";
fprintf (f, "%s %i %i %i ", pname,
(int)fa->texdef.shift[0], (int)fa->texdef.shift[1],
(int)fa->texdef.rotate);
if (fa->texdef.scale[0] == (int)fa->texdef.scale[0])
fprintf (f, "%i ", (int)fa->texdef.scale[0]);
else
fprintf (f, "%f ", (float)fa->texdef.scale[0]);
if (fa->texdef.scale[1] == (int)fa->texdef.scale[1])
fprintf (f, "%i", (int)fa->texdef.scale[1]);
else
fprintf (f, "%f", (float)fa->texdef.scale[1]);
fprintf (f, " %i %i %i", fa->texdef.contents, fa->texdef.flags, fa->texdef.value);
}
fprintf (f, "\n");
}
fprintf (f, "}\n");
}
}
/*
=================
QERApp_MapPrintf_MEMFILE
callback for surface properties plugin
must fit a PFN_QERAPP_MAPPRINTF ( see isurfaceplugin.h )
=================
*/
// carefully initialize !
CMemFile * g_pMemFile;
void WINAPI QERApp_MapPrintf_MEMFILE( char *text, ... )
{
va_list argptr;
char buf[32768];
va_start (argptr,text);
vsprintf (buf, text,argptr);
va_end (argptr);
MemFile_fprintf( g_pMemFile, buf );
}
/*
=================
Brush_Write to a CMemFile*
save all brushes as Brush primitive format
=================
*/
void Brush_Write (brush_t *b, CMemFile *pMemFile)
{
epair_t *ep;
face_t *fa;
char *pname;
int i;
if (b->patchBrush)
{
Patch_Write(b->pPatch, pMemFile);
return;
}
if (b->terrainBrush)
{
Terrain_Write(b->pTerrain, pMemFile);
return;
}
//++timo NOTE: it's not very difficult to add since the surface properties plugin
// writes throught a printf-style function prototype
if (g_qeglobals.bSurfacePropertiesPlugin)
{
Sys_Printf("WARNING: Brush_Write to a CMemFile and Surface Properties plugin not done\n");
}
if (g_qeglobals.m_bBrushPrimitMode)
{
// brush primitive format
MemFile_fprintf (pMemFile, "{\nBrushDef\n{\n");
// brush epairs
if (b->epairs)
for( ep = b->epairs ; ep ; ep=ep->next )
MemFile_fprintf (pMemFile, "\"%s\" \"%s\"\n", ep->key, ep->value );
for (fa=b->brush_faces ; fa ; fa=fa->next)
{
// save planepts
for (i=0 ; i<3 ; i++)
{
MemFile_fprintf(pMemFile, "( ");
for (int j = 0; j < 3; j++)
if (fa->planepts[i][j] == static_cast<int>(fa->planepts[i][j]))
MemFile_fprintf(pMemFile, "%i ", static_cast<int>(fa->planepts[i][j]));
else
MemFile_fprintf(pMemFile, "%f ", fa->planepts[i][j]);
MemFile_fprintf(pMemFile, ") ");
}
// save texture coordinates
MemFile_fprintf(pMemFile,"( ( ");
for (i=0 ; i<3 ; i++)
if (fa->brushprimit_texdef.coords[0][i] == static_cast<int>(fa->brushprimit_texdef.coords[0][i]))
MemFile_fprintf(pMemFile,"%i ",static_cast<int>(fa->brushprimit_texdef.coords[0][i]));
else
MemFile_fprintf(pMemFile,"%f ",fa->brushprimit_texdef.coords[0][i]);
MemFile_fprintf(pMemFile,") ( ");
for (i=0 ; i<3 ; i++)
if (fa->brushprimit_texdef.coords[1][i] == static_cast<int>(fa->brushprimit_texdef.coords[1][i]))
MemFile_fprintf(pMemFile,"%i ",static_cast<int>(fa->brushprimit_texdef.coords[1][i]));
else
MemFile_fprintf(pMemFile,"%f ",fa->brushprimit_texdef.coords[1][i]);
MemFile_fprintf(pMemFile,") ) ");
// save texture attribs
char *pName = strlen(fa->texdef.name) > 0 ? fa->texdef.name : "unnamed";
MemFile_fprintf(pMemFile, "%s ", pName);
MemFile_fprintf(pMemFile, "%i %i %i\n", fa->texdef.contents, fa->texdef.flags, fa->texdef.value);
}
MemFile_fprintf (pMemFile, "}\n}\n");
}
else
{
// old brushes format
// also handle surface properties plugin
MemFile_fprintf (pMemFile, "{\n");
for (fa=b->brush_faces ; fa ; fa=fa->next)
{
for (i=0 ; i<3 ; i++)
{
MemFile_fprintf(pMemFile, "( ");
for (int j = 0; j < 3; j++)
{
if (fa->planepts[i][j] == static_cast<int>(fa->planepts[i][j]))
MemFile_fprintf(pMemFile, "%i ", static_cast<int>(fa->planepts[i][j]));
else
MemFile_fprintf(pMemFile, "%f ", fa->planepts[i][j]);
}
MemFile_fprintf(pMemFile, ") ");
}
if (g_qeglobals.bSurfacePropertiesPlugin)
{
g_pMemFile = pMemFile;
#ifdef _DEBUG
if (!fa->pData)
Sys_Printf("ERROR: unexpected IPluginTexdef* is NULL in Brush_Write\n");
else
#endif
GETPLUGINTEXDEF(fa)->WriteTexdef( QERApp_MapPrintf_MEMFILE );
}
else
{
pname = fa->texdef.name;
if (pname[0] == 0)
pname = "unnamed";
MemFile_fprintf (pMemFile, "%s %i %i %i ", pname,
(int)fa->texdef.shift[0], (int)fa->texdef.shift[1],
(int)fa->texdef.rotate);
if (fa->texdef.scale[0] == (int)fa->texdef.scale[0])
MemFile_fprintf (pMemFile, "%i ", (int)fa->texdef.scale[0]);
else
MemFile_fprintf (pMemFile, "%f ", (float)fa->texdef.scale[0]);
if (fa->texdef.scale[1] == (int)fa->texdef.scale[1])
MemFile_fprintf (pMemFile, "%i", (int)fa->texdef.scale[1]);
else
MemFile_fprintf (pMemFile, "%f", (float)fa->texdef.scale[1]);
MemFile_fprintf (pMemFile, " %i %i %i", fa->texdef.contents, fa->texdef.flags, fa->texdef.value);
}
MemFile_fprintf (pMemFile, "\n");
}
MemFile_fprintf (pMemFile, "}\n");
}
}
/*
=============
Brush_Create
Create non-textured blocks for entities
The brush is NOT linked to any list
=============
*/
brush_t *Brush_Create (vec3_t mins, vec3_t maxs, texdef_t *texdef)
{
int i, j;
vec3_t pts[4][2];
face_t *f;
brush_t *b;
// brush primitive mode : convert texdef to brushprimit_texdef ?
// most of the time texdef is empty
if (g_qeglobals.m_bBrushPrimitMode)
{
// check texdef is empty .. if there are cases it's not we need to write some conversion code
if (texdef->shift[0]!=0 || texdef->shift[1]!=0 || texdef->scale[0]!=0 || texdef->scale[1]!=0 || texdef->rotate!=0)
Sys_Printf("Warning : non-zero texdef detected in Brush_Create .. need brush primitive conversion\n");
}
for (i=0 ; i<3 ; i++)
{
if (maxs[i] < mins[i])
Error ("Brush_InitSolid: backwards");
}
b = Brush_Alloc();
pts[0][0][0] = mins[0];
pts[0][0][1] = mins[1];
pts[1][0][0] = mins[0];
pts[1][0][1] = maxs[1];
pts[2][0][0] = maxs[0];
pts[2][0][1] = maxs[1];
pts[3][0][0] = maxs[0];
pts[3][0][1] = mins[1];
for (i=0 ; i<4 ; i++)
{
pts[i][0][2] = mins[2];
pts[i][1][0] = pts[i][0][0];
pts[i][1][1] = pts[i][0][1];
pts[i][1][2] = maxs[2];
}
for (i=0 ; i<4 ; i++)
{
f = Face_Alloc();
f->texdef = *texdef;
f->texdef.flags &= ~SURF_KEEP;
f->texdef.contents &= ~CONTENTS_KEEP;
f->next = b->brush_faces;
b->brush_faces = f;
j = (i+1)%4;
VectorCopy (pts[j][1], f->planepts[0]);
VectorCopy (pts[i][1], f->planepts[1]);
VectorCopy (pts[i][0], f->planepts[2]);
}
f = Face_Alloc();
f->texdef = *texdef;
f->texdef.flags &= ~SURF_KEEP;
f->texdef.contents &= ~CONTENTS_KEEP;
f->next = b->brush_faces;
b->brush_faces = f;
VectorCopy (pts[0][1], f->planepts[0]);
VectorCopy (pts[1][1], f->planepts[1]);
VectorCopy (pts[2][1], f->planepts[2]);
f = Face_Alloc();
f->texdef = *texdef;
f->texdef.flags &= ~SURF_KEEP;
f->texdef.contents &= ~CONTENTS_KEEP;
f->next = b->brush_faces;
b->brush_faces = f;
VectorCopy (pts[2][0], f->planepts[0]);
VectorCopy (pts[1][0], f->planepts[1]);
VectorCopy (pts[0][0], f->planepts[2]);
return b;
}
/*
=============
Brush_CreatePyramid
Create non-textured pyramid for light entities
The brush is NOT linked to any list
=============
*/
brush_t *Brush_CreatePyramid (vec3_t mins, vec3_t maxs, texdef_t *texdef)
{
//++timo handle new brush primitive ? return here ??
return Brush_Create(mins, maxs, texdef);
for (int i=0 ; i<3 ; i++)
if (maxs[i] < mins[i])
Error ("Brush_InitSolid: backwards");
brush_t* b = Brush_Alloc();
vec3_t corners[4];
float fMid = Q_rint(mins[2] + (Q_rint((maxs[2] - mins[2]) / 2)));
corners[0][0] = mins[0];
corners[0][1] = mins[1];
corners[0][2] = fMid;
corners[1][0] = mins[0];
corners[1][1] = maxs[1];
corners[1][2] = fMid;
corners[2][0] = maxs[0];
corners[2][1] = maxs[1];
corners[2][2] = fMid;
corners[3][0] = maxs[0];
corners[3][1] = mins[1];
corners[3][2] = fMid;
vec3_t top, bottom;
top[0] = Q_rint(mins[0] + ((maxs[0] - mins[0]) / 2));
top[1] = Q_rint(mins[1] + ((maxs[1] - mins[1]) / 2));
top[2] = Q_rint(maxs[2]);
VectorCopy(top, bottom);
bottom[2] = mins[2];
// sides
for (i = 0; i < 4; i++)
{
face_t* f = Face_Alloc();
f->texdef = *texdef;
f->texdef.flags &= ~SURF_KEEP;
f->texdef.contents &= ~CONTENTS_KEEP;
f->next = b->brush_faces;
b->brush_faces = f;
int j = (i+1)%4;
VectorCopy (top, f->planepts[0]);
VectorCopy (corners[i], f->planepts[1]);
VectorCopy(corners[j], f->planepts[2]);
f = Face_Alloc();
f->texdef = *texdef;
f->texdef.flags &= ~SURF_KEEP;
f->texdef.contents &= ~CONTENTS_KEEP;
f->next = b->brush_faces;
b->brush_faces = f;
VectorCopy (bottom, f->planepts[2]);
VectorCopy (corners[i], f->planepts[1]);
VectorCopy(corners[j], f->planepts[0]);
}
return b;
}
/*
=============
Brush_MakeSided
Makes the current brush have the given number of 2d sides
=============
*/
void Brush_MakeSided (int sides)
{
int i, axis;
vec3_t mins, maxs;
brush_t *b;
texdef_t *texdef;
face_t *f;
vec3_t mid;
float width;
float sv, cv;
if (sides < 3)
{
Sys_Status ("Bad sides number", 0);
return;
}
if (sides >= MAX_POINTS_ON_WINDING-4)
{
Sys_Printf("too many sides.\n");
return;
}
if (!QE_SingleBrush ())
{
Sys_Status ("Must have a single brush selected", 0 );
return;
}
b = selected_brushes.next;
VectorCopy (b->mins, mins);
VectorCopy (b->maxs, maxs);
texdef = &g_qeglobals.d_texturewin.texdef;
Brush_Free (b);
if (g_pParentWnd->ActiveXY())
{
switch(g_pParentWnd->ActiveXY()->GetViewType())
{
case XY: axis = 2; break;
case XZ: axis = 1; break;
case YZ: axis = 0; break;
}
}
else
{
axis = 2;
}
// find center of brush
width = 8;
for (i = 0; i < 3; i++)
{
mid[i] = (maxs[i] + mins[i]) * 0.5;
if (i == axis) continue;
if ((maxs[i] - mins[i]) * 0.5 > width)
width = (maxs[i] - mins[i]) * 0.5;
}
b = Brush_Alloc();
// create top face
f = Face_Alloc();
f->texdef = *texdef;
f->next = b->brush_faces;
b->brush_faces = f;
f->planepts[2][(axis+1)%3] = mins[(axis+1)%3]; f->planepts[2][(axis+2)%3] = mins[(axis+2)%3]; f->planepts[2][axis] = maxs[axis];
f->planepts[1][(axis+1)%3] = maxs[(axis+1)%3]; f->planepts[1][(axis+2)%3] = mins[(axis+2)%3]; f->planepts[1][axis] = maxs[axis];
f->planepts[0][(axis+1)%3] = maxs[(axis+1)%3]; f->planepts[0][(axis+2)%3] = maxs[(axis+2)%3]; f->planepts[0][axis] = maxs[axis];
// create bottom face
f = Face_Alloc();
f->texdef = *texdef;
f->next = b->brush_faces;
b->brush_faces = f;
f->planepts[0][(axis+1)%3] = mins[(axis+1)%3]; f->planepts[0][(axis+2)%3] = mins[(axis+2)%3]; f->planepts[0][axis] = mins[axis];
f->planepts[1][(axis+1)%3] = maxs[(axis+1)%3]; f->planepts[1][(axis+2)%3] = mins[(axis+2)%3]; f->planepts[1][axis] = mins[axis];
f->planepts[2][(axis+1)%3] = maxs[(axis+1)%3]; f->planepts[2][(axis+2)%3] = maxs[(axis+2)%3]; f->planepts[2][axis] = mins[axis];
for (i=0 ; i<sides ; i++)
{
f = Face_Alloc();
f->texdef = *texdef;
f->next = b->brush_faces;
b->brush_faces = f;
sv = sin (i*3.14159265*2/sides);
cv = cos (i*3.14159265*2/sides);
f->planepts[0][(axis+1)%3] = floor(mid[(axis+1)%3]+width*cv+0.5);
f->planepts[0][(axis+2)%3] = floor(mid[(axis+2)%3]+width*sv+0.5);
f->planepts[0][axis] = mins[axis];
f->planepts[1][(axis+1)%3] = f->planepts[0][(axis+1)%3];
f->planepts[1][(axis+2)%3] = f->planepts[0][(axis+2)%3];
f->planepts[1][axis] = maxs[axis];
f->planepts[2][(axis+1)%3] = floor(f->planepts[0][(axis+1)%3] - width*sv + 0.5);
f->planepts[2][(axis+2)%3] = floor(f->planepts[0][(axis+2)%3] + width*cv + 0.5);
f->planepts[2][axis] = maxs[axis];
}
Brush_AddToList (b, &selected_brushes);
Entity_LinkBrush (world_entity, b);
Brush_Build( b );
Sys_UpdateWindows (W_ALL);
}
/*
=============
Brush_Free
Frees the brush with all of its faces and display list.
Unlinks the brush from whichever chain it is in.
Decrements the owner entity's brushcount.
Removes owner entity if this was the last brush
unless owner is the world.
Removes from groups
=============
*/
void Brush_Free (brush_t *b, bool bRemoveNode)
{
face_t *f, *next;
epair_t *ep, *enext;
// remove from group
if (bRemoveNode)
Group_RemoveBrush(b);
// free the patch if it's there
if (b->patchBrush)
{
Patch_Delete(b->pPatch);
}
if( b->terrainBrush )
{
Terrain_Delete( b->pTerrain );
}
// free faces
for (f=b->brush_faces ; f ; f=next)
{
next = f->next;
Face_Free( f );
}
//Timo : free brush epairs
for (ep = b->epairs ; ep ; ep=enext )
{
enext = ep->next;
free (ep->key);
free (ep->value);
free (ep);
}
// unlink from active/selected list
if (b->next)
Brush_RemoveFromList (b);
// unlink from entity list
if (b->onext)
Entity_UnlinkBrush (b);
free (b);
}
/*
=============
Face_MemorySize
=============
*/
int Face_MemorySize(face_t *f )
{
int size = 0;
if (f->face_winding)
{
size += _msize(f->face_winding);
}
//f->texdef.~texdef_t();;
size += _msize(f);
return size;
}
/*
=============
Brush_MemorySize
=============
*/
int Brush_MemorySize(brush_t *b)
{
face_t *f;
epair_t *ep;
int size = 0;
//
if (b->patchBrush)
{
size += Patch_MemorySize(b->pPatch);
}
if (b->terrainBrush)
{
size += Terrain_MemorySize(b->pTerrain);
}
//
for (f = b->brush_faces; f; f = f->next)
{
size += Face_MemorySize(f);
}
//
for (ep = b->epairs; ep; ep = ep->next )
{
size += _msize(ep->key);
size += _msize(ep->value);
size += _msize(ep);
}
size += _msize(b);
return size;
}
/*
============
Brush_Clone
Does NOT add the new brush to any lists
============
*/
brush_t *Brush_Clone (brush_t *b)
{
brush_t *n = NULL;
face_t *f, *nf;
if (b->patchBrush)
{
patchMesh_t *p = Patch_Duplicate(b->pPatch);
Brush_RemoveFromList(p->pSymbiot);
Entity_UnlinkBrush(p->pSymbiot);
n = p->pSymbiot;
}
else if (b->terrainBrush)
{
terrainMesh_t *p = Terrain_Duplicate(b->pTerrain);
Brush_RemoveFromList(p->pSymbiot);
Entity_UnlinkBrush(p->pSymbiot);
n = p->pSymbiot;
}
else
{
n = Brush_Alloc();
n->numberId = g_nBrushId++;
n->owner = b->owner;
for (f=b->brush_faces ; f ; f=f->next)
{
nf = Face_Clone( f );
nf->next = n->brush_faces;
n->brush_faces = nf;
}
}
return n;
}
/*
============
Brush_Clone
Does NOT add the new brush to any lists
============
*/
brush_t *Brush_FullClone(brush_t *b)
{
brush_t *n = NULL;
face_t *f, *nf, *f2, *nf2;
int j;
if (b->patchBrush)
{
patchMesh_t *p = Patch_Duplicate(b->pPatch);
Brush_RemoveFromList(p->pSymbiot);
Entity_UnlinkBrush(p->pSymbiot);
n = p->pSymbiot;
n->owner = b->owner;
Brush_Build(n);
}
else if (b->terrainBrush)
{
terrainMesh_t *p = Terrain_Duplicate(b->pTerrain);
Brush_RemoveFromList(p->pSymbiot);
Entity_UnlinkBrush(p->pSymbiot);
n = p->pSymbiot;
n->owner = b->owner;
Brush_Build(n);
}
else
{
n = Brush_Alloc();
n->numberId = g_nBrushId++;
n->owner = b->owner;
VectorCopy(b->mins, n->mins);
VectorCopy(b->maxs, n->maxs);
//
for (f = b->brush_faces; f; f = f->next)
{
if (f->original) continue;
nf = Face_FullClone(f);
nf->next = n->brush_faces;
n->brush_faces = nf;
//copy all faces that have the original set to this face
for (f2 = b->brush_faces; f2; f2 = f2->next)
{
if (f2->original == f)
{
nf2 = Face_FullClone(f2);
nf2->next = n->brush_faces;
n->brush_faces = nf2;
//set original
nf2->original = nf;
}
}
}
for (nf = n->brush_faces; nf; nf = nf->next)
{
Face_SetColor(n, nf, 1.0);
if (nf->face_winding)
{
if (g_qeglobals.m_bBrushPrimitMode)
EmitBrushPrimitTextureCoordinates(nf,nf->face_winding);
else
{
for (j = 0; j < nf->face_winding->numpoints; j++)
EmitTextureCoordinates(nf->face_winding->points[j], nf->d_texture, nf);
}
}
}
}
return n;
}
/*
==============
Brush_Ray
Itersects a ray with a brush
Returns the face hit and the distance along the ray the intersection occured at
Returns NULL and 0 if not hit at all
==============
*/
face_t *Brush_Ray (vec3_t origin, vec3_t dir, brush_t *b, float *dist)
{
face_t *f, *firstface;
vec3_t p1, p2;
float frac, d1, d2;
int i;
VectorCopy (origin, p1);
for (i=0 ; i<3 ; i++)
p2[i] = p1[i] + dir[i]*16384;
for (f=b->brush_faces ; f ; f=f->next)
{
d1 = DotProduct (p1, f->plane.normal) - f->plane.dist;
d2 = DotProduct (p2, f->plane.normal) - f->plane.dist;
if (d1 >= 0 && d2 >= 0)
{
*dist = 0;
return NULL; // ray is on front side of face
}
if (d1 <=0 && d2 <= 0)
continue;
// clip the ray to the plane
frac = d1 / (d1 - d2);
if (d1 > 0)
{
firstface = f;
for (i=0 ; i<3 ; i++)
p1[i] = p1[i] + frac *(p2[i] - p1[i]);
}
else
{
for (i=0 ; i<3 ; i++)
p2[i] = p1[i] + frac *(p2[i] - p1[i]);
}
}
// find distance p1 is along dir
VectorSubtract (p1, origin, p1);
d1 = DotProduct (p1, dir);
*dist = d1;
return firstface;
}
//PGM
face_t *Brush_Point (vec3_t origin, brush_t *b)
{
face_t *f;
float d1;
for (f=b->brush_faces ; f ; f=f->next)
{
d1 = DotProduct (origin, f->plane.normal) - f->plane.dist;
if (d1 > 0)
{
return NULL; // point is on front side of face
}
}
return b->brush_faces;
}
//PGM
void Brush_AddToList (brush_t *b, brush_t *list)
{
if (b->next || b->prev)
Error ("Brush_AddToList: allready linked");
if (list == &selected_brushes || list == &active_brushes)
{
if (b->patchBrush && list == &selected_brushes)
{
Patch_Select(b->pPatch);
}
if (b->terrainBrush && list == &selected_brushes) {
Terrain_Select(b->pTerrain);
}
}
b->next = list->next;
list->next->prev = b;
list->next = b;
b->prev = list;
// TTimo messaging
DispatchRadiantMsg( RADIANT_SELECTION );
}
void Brush_RemoveFromList (brush_t *b)
{
if (!b->next || !b->prev)
Error ("Brush_RemoveFromList: not linked");
if (b->patchBrush)
{
Patch_Deselect(b->pPatch);
//Patch_Deselect(b->nPatchID);
}
if (b->terrainBrush)
{
Terrain_Deselect(b->pTerrain);
}
b->next->prev = b->prev;
b->prev->next = b->next;
b->next = b->prev = NULL;
}
/*
===============
SetFaceTexdef
Doesn't set the curve flags
NOTE : ( TTimo )
never trust f->d_texture here, f->texdef and f->d_texture are out of sync when called by Brush_SetTexture
use Texture_ForName() to find the right shader
FIXME : send the right shader ( qtexture_t * ) in the parameters ?
TTimo: surface plugin, added an IPluginTexdef* parameter
if not NULL, get ->Copy() of it into the face ( and remember to hook )
if NULL, ask for a default
===============
*/
void SetFaceTexdef (brush_t *b, face_t *f, texdef_t *texdef, brushprimit_texdef_t *brushprimit_texdef, bool bFitScale, IPluginTexdef* pPlugTexdef) {
int oldFlags;
int oldContents;
face_t *tf;
oldFlags = f->texdef.flags;
oldContents = f->texdef.contents;
if (g_qeglobals.m_bBrushPrimitMode)
{
f->texdef = *texdef;
ConvertTexMatWithQTexture( brushprimit_texdef, NULL, &f->brushprimit_texdef, Texture_ForName( f->texdef.name ) );
}
else
if (bFitScale)
{
f->texdef = *texdef;
// fit the scaling of the texture on the actual plane
vec3_t p1,p2,p3; // absolute coordinates
// compute absolute coordinates
ComputeAbsolute(f,p1,p2,p3);
// compute the scale
vec3_t vx,vy;
VectorSubtract(p2,p1,vx);
VectorNormalize(vx);
VectorSubtract(p3,p1,vy);
VectorNormalize(vy);
// assign scale
VectorScale(vx,texdef->scale[0],vx);
VectorScale(vy,texdef->scale[1],vy);
VectorAdd(p1,vx,p2);
VectorAdd(p1,vy,p3);
// compute back shift scale rot
AbsoluteToLocal(f->plane,f,p1,p2,p3);
}
else
f->texdef = *texdef;
f->texdef.flags = (f->texdef.flags & ~SURF_KEEP) | (oldFlags & SURF_KEEP);
f->texdef.contents = (f->texdef.contents & ~CONTENTS_KEEP) | (oldContents & CONTENTS_KEEP);
// surface plugin
if (g_qeglobals.bSurfacePropertiesPlugin)
{
#ifdef _DEBUG
if (!f->pData)
Sys_Printf("ERROR: unexpected IPluginTexdef* is NULL in SetFaceTexdef\n");
else
#endif
GETPLUGINTEXDEF(f)->DecRef();
IPluginTexdef *pTexdef = NULL;
if ( pPlugTexdef )
{
pTexdef = pPlugTexdef->Copy();
pTexdef->Hook( f );
}
else
pTexdef = g_SurfaceTable.m_pfnTexdefAlloc( f );
f->pData = pTexdef;
}
// if this is a curve face, set all other curve faces to the same texdef
if (f->texdef.flags & SURF_CURVE)
{
for (tf = b->brush_faces ; tf ; tf = tf->next)
{
if (tf->texdef.flags & SURF_CURVE)
tf->texdef = f->texdef;
}
}
}
void Brush_SetTexture (brush_t *b, texdef_t *texdef, brushprimit_texdef_t *brushprimit_texdef, bool bFitScale, IPluginTexdef* pTexdef)
{
for (face_t* f = b->brush_faces ; f ; f = f->next)
{
SetFaceTexdef (b, f, texdef, brushprimit_texdef, bFitScale, pTexdef);
}
Brush_Build( b );
if (b->patchBrush)
{
//++timo clean
// Sys_Printf("WARNING: Brush_SetTexture needs surface plugin code for patches\n");
Patch_SetTexture(b->pPatch, texdef, pTexdef );
}
if (b->terrainBrush)
{
Terrain_SetTexture(b->pTerrain, texdef);
}
}
qboolean ClipLineToFace (vec3_t p1, vec3_t p2, face_t *f)
{
float d1, d2, fr;
int i;
float *v;
d1 = DotProduct (p1, f->plane.normal) - f->plane.dist;
d2 = DotProduct (p2, f->plane.normal) - f->plane.dist;
if (d1 >= 0 && d2 >= 0)
return false; // totally outside
if (d1 <= 0 && d2 <= 0)
return true; // totally inside
fr = d1 / (d1 - d2);
if (d1 > 0)
v = p1;
else
v = p2;
for (i=0 ; i<3 ; i++)
v[i] = p1[i] + fr*(p2[i] - p1[i]);
return true;
}
int AddPlanept (float *f)
{
int i;
for (i=0 ; i<g_qeglobals.d_num_move_points ; i++)
if (g_qeglobals.d_move_points[i] == f)
return 0;
g_qeglobals.d_move_points[g_qeglobals.d_num_move_points++] = f;
return 1;
}
/*
==============
Brush_SelectFaceForDragging
Adds the faces planepts to move_points, and
rotates and adds the planepts of adjacent face if shear is set
==============
*/
void Brush_SelectFaceForDragging (brush_t *b, face_t *f, qboolean shear)
{
int i;
face_t *f2;
winding_t *w;
float d;
brush_t *b2;
int c;
if (b->owner->eclass->fixedsize)
return;
c = 0;
for (i=0 ; i<3 ; i++)
c += AddPlanept (f->planepts[i]);
if (c == 0)
return; // allready completely added
// select all points on this plane in all brushes the selection
for (b2=selected_brushes.next ; b2 != &selected_brushes ; b2 = b2->next)
{
if (b2 == b)
continue;
for (f2=b2->brush_faces ; f2 ; f2=f2->next)
{
for (i=0 ; i<3 ; i++)
if (fabs(DotProduct(f2->planepts[i], f->plane.normal)
-f->plane.dist) > ON_EPSILON)
break;
if (i==3)
{ // move this face as well
Brush_SelectFaceForDragging (b2, f2, shear);
break;
}
}
}
// if shearing, take all the planes adjacent to
// selected faces and rotate their points so the
// edge clipped by a selcted face has two of the points
if (!shear)
return;
for (f2=b->brush_faces ; f2 ; f2=f2->next)
{
if (f2 == f)
continue;
w = Brush_MakeFaceWinding (b, f2);
if (!w)
continue;
// any points on f will become new control points
for (i=0 ; i<w->numpoints ; i++)
{
d = DotProduct (w->points[i], f->plane.normal)
- f->plane.dist;
if (d > -ON_EPSILON && d < ON_EPSILON)
break;
}
//
// if none of the points were on the plane,
// leave it alone
//
if (i != w->numpoints)
{
if (i == 0)
{ // see if the first clockwise point was the
// last point on the winding
d = DotProduct (w->points[w->numpoints-1]
, f->plane.normal) - f->plane.dist;
if (d > -ON_EPSILON && d < ON_EPSILON)
i = w->numpoints - 1;
}
AddPlanept (f2->planepts[0]);
VectorCopy (w->points[i], f2->planepts[0]);
if (++i == w->numpoints)
i = 0;
// see if the next point is also on the plane
d = DotProduct (w->points[i]
, f->plane.normal) - f->plane.dist;
if (d > -ON_EPSILON && d < ON_EPSILON)
AddPlanept (f2->planepts[1]);
VectorCopy (w->points[i], f2->planepts[1]);
if (++i == w->numpoints)
i = 0;
// the third point is never on the plane
VectorCopy (w->points[i], f2->planepts[2]);
}
free(w);
}
}
/*
==============
Brush_SideSelect
The mouse click did not hit the brush, so grab one or more side
planes for dragging
==============
*/
void Brush_SideSelect (brush_t *b, vec3_t origin, vec3_t dir
, qboolean shear)
{
face_t *f, *f2;
vec3_t p1, p2;
//if (b->patchBrush)
// return;
//Patch_SideSelect(b->nPatchID, origin, dir);
for (f=b->brush_faces ; f ; f=f->next)
{
VectorCopy (origin, p1);
VectorMA (origin, 16384, dir, p2);
for (f2=b->brush_faces ; f2 ; f2=f2->next)
{
if (f2 == f)
continue;
ClipLineToFace (p1, p2, f2);
}
if (f2)
continue;
if (VectorCompare (p1, origin))
continue;
if (ClipLineToFace (p1, p2, f))
continue;
Brush_SelectFaceForDragging (b, f, shear);
}
}
void Brush_BuildWindings( brush_t *b, bool bSnap )
{
winding_t *w;
face_t *face;
vec_t v;
if (bSnap)
Brush_SnapPlanepts( b );
// clear the mins/maxs bounds
b->mins[0] = b->mins[1] = b->mins[2] = 99999;
b->maxs[0] = b->maxs[1] = b->maxs[2] = -99999;
Brush_MakeFacePlanes (b);
face = b->brush_faces;
float fCurveColor = 1.0;
for ( ; face ; face=face->next)
{
int i, j;
free(face->face_winding);
w = face->face_winding = Brush_MakeFaceWinding (b, face);
face->d_texture = Texture_ForName( face->texdef.name );
if (!w)
continue;
for (i=0 ; i<w->numpoints ; i++)
{
// add to bounding box
for (j=0 ; j<3 ; j++)
{
v = w->points[i][j];
if (v > b->maxs[j])
b->maxs[j] = v;
if (v < b->mins[j])
b->mins[j] = v;
}
}
// setup s and t vectors, and set color
//if (!g_PrefsDlg.m_bGLLighting)
//{
Face_SetColor (b, face, fCurveColor);
//}
fCurveColor -= .10;
if (fCurveColor <= 0)
fCurveColor = 1.0;
// computing ST coordinates for the windings
if (g_qeglobals.m_bBrushPrimitMode)
{
if (g_qeglobals.bNeedConvert)
{
// we have parsed old brushes format and need conversion
// convert old brush texture representation to new format
FaceToBrushPrimitFace(face);
#ifdef _DEBUG
// use old texture coordinates code to check against
for (i=0 ; i<w->numpoints ; i++)
EmitTextureCoordinates( w->points[i], face->d_texture, face);
#endif
}
// use new texture representation to compute texture coordinates
// in debug mode we will check against old code and warn if there are differences
EmitBrushPrimitTextureCoordinates(face,w);
}
else
{
for (i=0 ; i<w->numpoints ; i++)
EmitTextureCoordinates( w->points[i], face->d_texture, face);
}
}
}
/*
==================
Brush_RemoveEmptyFaces
Frees any overconstraining faces
==================
*/
void Brush_RemoveEmptyFaces ( brush_t *b )
{
face_t *f, *next;
f = b->brush_faces;
b->brush_faces = NULL;
for ( ; f ; f=next)
{
next = f->next;
if (!f->face_winding)
Face_Free (f);
else
{
f->next = b->brush_faces;
b->brush_faces = f;
}
}
}
void Brush_SnapToGrid(brush_t *pb)
{
for (face_t *f = pb->brush_faces ; f; f = f->next)
{
for (int i = 0 ;i < 3 ;i++)
{
for (int j = 0 ;j < 3 ; j++)
{
f->planepts[i][j] = floor (f->planepts[i][j] / g_qeglobals.d_gridsize + 0.5) * g_qeglobals.d_gridsize;
}
}
}
Brush_Build(pb);
}
void Brush_Rotate(brush_t *b, vec3_t vAngle, vec3_t vOrigin, bool bBuild)
{
for (face_t* f=b->brush_faces ; f ; f=f->next)
{
for (int i=0 ; i<3 ; i++)
{
VectorRotate(f->planepts[i], vAngle, vOrigin, f->planepts[i]);
}
}
if (bBuild)
{
Brush_Build(b, false, false);
}
}
void Brush_Center(brush_t *b, vec3_t vNewCenter)
{
vec3_t vMid;
// get center of the brush
for (int j = 0; j < 3; j++)
{
vMid[j] = b->mins[j] + abs((b->maxs[j] - b->mins[j]) * 0.5);
}
// calc distance between centers
VectorSubtract(vNewCenter, vMid, vMid);
Brush_Move(b, vMid, true);
}
// only designed for fixed size entity brushes
void Brush_Resize(brush_t *b, vec3_t vMin, vec3_t vMax)
{
brush_t *b2 = Brush_Create(vMin, vMax, &b->brush_faces->texdef);
face_t *next;
for (face_t *f=b->brush_faces ; f ; f=next)
{
next = f->next;
Face_Free( f );
}
b->brush_faces = b2->brush_faces;
// unlink from active/selected list
if (b2->next)
Brush_RemoveFromList (b2);
free(b2);
Brush_Build(b, true);
}
eclass_t* HasModel(brush_t *b)
{
vec3_t vMin, vMax;
vMin[0] = vMin[1] = vMin[2] = 9999;
vMax[0] = vMax[1] = vMax[2] = -9999;
if (b->owner->md3Class != NULL)
{
return b->owner->md3Class;
}
if (Eclass_hasModel(b->owner->eclass, vMin, vMax))
{
return b->owner->eclass;
}
eclass_t *e = NULL;
// FIXME: entity needs to track whether a cache hit failed and not ask again
if (b->owner->eclass->nShowFlags & ECLASS_MISCMODEL)
{
char *pModel = ValueForKey(b->owner, "model");
if (pModel != NULL && strlen(pModel) > 0)
{
e = GetCachedModel(b->owner, pModel, vMin, vMax);
if (e != NULL)
{
// we need to scale the brush to the proper size based on the model load
// recreate brush just like in load/save
VectorAdd (vMin, b->owner->origin, vMin);
VectorAdd (vMax, b->owner->origin, vMax);
Brush_Resize(b, vMin, vMax);
/*
//
vec3_t vTemp, vTemp2;
VectorSubtract(b->maxs, b->mins, vTemp);
VectorSubtract(vMax, vMin, vTemp2);
for (int i = 0; i < 3; i++)
{
if (vTemp[i] != 0)
{
vTemp2[i] /= vTemp[i];
}
}
vec3_t vMid, vMid2;
vMid[0] = vMid[1] = vMid[2] = 0.0;
vMid2[0] = vMid2[1] = vMid2[2] = 0.0;
for (int j = 0; j < 3; j++)
{
vMid2[j] = b->mins[j] + abs((b->maxs[j] - b->mins[j]) * 0.5);
}
//VectorSubtract(vMid2, vMid, vMid2);
for (face_t* f=b->brush_faces ; f ; f=f->next)
{
for (int i=0 ; i<3 ; i++)
{
// scale
VectorSubtract(f->planepts[i], vMid2, f->planepts[i]);
f->planepts[i][0] *= vTemp2[0];
f->planepts[i][1] *= vTemp2[1];
f->planepts[i][2] *= vTemp2[2];
VectorAdd(f->planepts[i], vMid2, f->planepts[i]);
}
}
//Brush_Center(b, b->owner->origin);
//Brush_SnapToGrid(b);
/*
float a = FloatForKey (b->owner, "angle");
if (a)
{
vec3_t vAngle;
vAngle[0] = vAngle[1] = 0;
vAngle[2] = a;
Brush_Rotate(b, vAngle, b->owner->origin);
}
else
{
Brush_Build(b, true);
*/
// }
b->bModelFailed = false;
}
else
{
b->bModelFailed = true;
}
}
}
return e;
}
static bool g_bInPaintedModel = false;
static bool g_bDoIt = false;
bool PaintedModel(brush_t *b, bool bOkToTexture)
{
if (g_bInPaintedModel)
{
return true;
}
if (g_PrefsDlg.m_nEntityShowState == ENTITY_BOX || b->bModelFailed)
{
return false;
}
else if (!IsBrushSelected(b) && (g_PrefsDlg.m_nEntityShowState & ENTITY_SELECTED_ONLY))
{
return false;
}
g_bInPaintedModel = true;
bool bReturn = false;
eclass_t *pEclass = HasModel(b);
if (pEclass)
{
qglPushAttrib(GL_ALL_ATTRIB_BITS);
entitymodel *model = pEclass->model;
float a = FloatForKey (b->owner, "angle");
while (model != NULL)
{
if (bOkToTexture == false || g_PrefsDlg.m_nEntityShowState & ENTITY_WIREFRAME || model->nTextureBind == -1) // skinned
{
qglDisable( GL_CULL_FACE );
qglPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
qglDisable(GL_TEXTURE_2D);
qglColor3fv(pEclass->color);
}
else
{
qglColor3f(1, 1, 1);
qglEnable(GL_TEXTURE_2D);
qglBindTexture( GL_TEXTURE_2D, model->nTextureBind );
}
vec3_t v;
int i,j;
VectorAdd(b->maxs, b->mins, v);
VectorScale(v, 0.5, v);
VectorCopy(b->owner->origin, v);
//for (i = 0; i < 3; i++)
//{
// v[i] -= (pEclass->mins[i] - b->mins[i]);
//}
//if (model->nModelPosition)
//{
//v[2] = b->mins[2] - (pEclass->mins[2]);
//}
float s, c;
if (a)
{
s = sin (a/180*Q_PI);
c = cos (a/180*Q_PI);
}
vec3_t vSin;
vec3_t vCos;
VectorClear(vSin);
VectorClear(vCos);
for ( j = 0; j < 3; j++)
{
if (b->owner->vRotation[j])
{
vSin[j] = sin(b->owner->vRotation[j]/180*Q_PI);
vCos[j] = cos(b->owner->vRotation[j]/180*Q_PI);
}
}
qglBegin (GL_TRIANGLES);
vec5_t vTest[3];
for (i = 0; i < model->nTriCount; i++)
{
for (j = 0; j < 3; j++)
{
#if 1
float x = model->pTriList[i].v[j][0] + v[0];
float y = model->pTriList[i].v[j][1] + v[1];
if (a)
{
float x2 = (((x - v[0]) * c) - ((y - v[1]) * s)) + v[0];
float y2 = (((x - v[0]) * s) + ((y - v[1]) * c)) + v[1];
x = x2;
y = y2;
}
//qglTexCoord2f (pEclass->pTriList[i].st[j][0] / pEclass->nSkinWidth, pEclass->pTriList[i].st[j][1] / pEclass->nSkinHeight);
qglTexCoord2f (model->pTriList[i].st[j][0], model->pTriList[i].st[j][1]);
qglVertex3f(x, y, model->pTriList[i].v[j][2] + v[2]);
#else
float x = model->pTriList[i].v[j][0] + v[0];
float y = model->pTriList[i].v[j][1] + v[1];
float z = model->pTriList[i].v[j][2] + v[2];
if (b->owner->vRotation[0])
{
float y2 = (((y - v[1]) * vCos[0]) - ((z - v[2]) * vSin[0])) + v[1];
float z2 = (((y - v[1]) * vSin[0]) + ((z - v[2]) * vCos[0])) + v[2];
y = y2;
z = z2;
}
if (b->owner->vRotation[1])
{
float z2 = (((z - v[2]) * vCos[1]) - ((x - v[0]) * vSin[1])) + v[2];
float x2 = (((z - v[2]) * vSin[1]) + ((x - v[0]) * vCos[1])) + v[0];
x = x2;
z = z2;
}
if (b->owner->vRotation[2])
{
float x2 = (((x - v[0]) * vCos[2]) - ((y - v[1]) * vSin[2])) + v[0];
float y2 = (((x - v[0]) * vSin[2]) + ((y - v[1]) * vCos[2])) + v[1];
x = x2;
y = y2;
}
qglTexCoord2f (model->pTriList[i].st[j][0], model->pTriList[i].st[j][1]);
qglVertex3f(x, y, z);
#endif
if (g_bDoIt)
{
vTest[j][0] = x;
vTest[j][1] = y;
vTest[j][2] = model->pTriList[i].v[j][2] + v[2];
vTest[j][3] = model->pTriList[i].st[j][0];
vTest[j][4] = model->pTriList[i].st[j][1];
}
}
if (g_bDoIt)
{
Patch_FromTriangle(vTest[0], vTest[1], vTest[2]);
}
}
qglEnd();
if (g_PrefsDlg.m_nEntityShowState & ENTITY_WIREFRAME) // skinned
{
qglEnable(GL_CULL_FACE );
qglEnable(GL_TEXTURE_2D);
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
}
else
{
qglDisable(GL_TEXTURE_2D);
}
model = model->pNext;
}
if (g_bDoIt)
{
g_bDoIt = false;
}
vec3_t vColor;
VectorScale(pEclass->color, 0.50, vColor);
vec3_t vCenter, vMin, vMax;
VectorCopy(b->owner->origin, vCenter);
qglColor3fv(vColor);
qglPointSize(4);
qglBegin(GL_POINTS);
qglVertex3fv(b->owner->origin);
qglEnd();
qglBegin(GL_LINES);
vCenter[0] -= 8;
qglVertex3fv(vCenter);
vCenter[0] += 16;
qglVertex3fv(vCenter);
vCenter[0] -= 8;
vCenter[1] -= 8;
qglVertex3fv(vCenter);
vCenter[1] += 16;
qglVertex3fv(vCenter);
vCenter[1] -= 8;
vCenter[2] -= 8;
qglVertex3fv(vCenter);
vCenter[2] += 16;
qglVertex3fv(vCenter);
vCenter[2] -= 8;
qglEnd();
VectorCopy(vCenter, vMin);
VectorCopy(vCenter, vMax);
vMin[0] -= 4;
vMin[1] -= 4;
vMin[2] -= 4;
vMax[0] += 4;
vMax[1] += 4;
vMax[2] += 4;
qglBegin(GL_LINE_LOOP);
qglVertex3f(vMin[0],vMin[1],vMin[2]);
qglVertex3f(vMax[0],vMin[1],vMin[2]);
qglVertex3f(vMax[0],vMax[1],vMin[2]);
qglVertex3f(vMin[0],vMax[1],vMin[2]);
qglEnd();
qglBegin(GL_LINE_LOOP);
qglVertex3f(vMin[0],vMin[1],vMax[2]);
qglVertex3f(vMax[0],vMin[1],vMax[2]);
qglVertex3f(vMax[0],vMax[1],vMax[2]);
qglVertex3f(vMin[0],vMax[1],vMax[2]);
qglEnd();
qglBegin(GL_LINES);
qglVertex3f(vMin[0],vMin[1],vMin[2]);
qglVertex3f(vMin[0],vMin[1],vMax[2]);
qglVertex3f(vMin[0],vMax[1],vMax[2]);
qglVertex3f(vMin[0],vMax[1],vMin[2]);
qglVertex3f(vMax[0],vMin[1],vMin[2]);
qglVertex3f(vMax[0],vMin[1],vMax[2]);
qglVertex3f(vMax[0],vMax[1],vMax[2]);
qglVertex3f(vMax[0],vMax[1],vMin[2]);
qglEnd();
if (g_PrefsDlg.m_nEntityShowState & ENTITY_BOXED)
{
qglColor3fv(pEclass->color);
vec3_t mins, maxs;
VectorCopy(b->mins, mins);
VectorCopy(b->maxs, maxs);
/*
if (a)
{
vec3_t vAngle;
vAngle[0] = vAngle[1] = 0;
vAngle[2] = a;
VectorRotate(mins, vAngle, b->owner->origin, mins);
VectorRotate(maxs, vAngle, b->owner->origin, maxs);
}
*/
qglBegin(GL_LINE_LOOP);
qglVertex3f(mins[0],mins[1],mins[2]);
qglVertex3f(maxs[0],mins[1],mins[2]);
qglVertex3f(maxs[0],maxs[1],mins[2]);
qglVertex3f(mins[0],maxs[1],mins[2]);
qglEnd();
qglBegin(GL_LINE_LOOP);
qglVertex3f(mins[0],mins[1],maxs[2]);
qglVertex3f(maxs[0],mins[1],maxs[2]);
qglVertex3f(maxs[0],maxs[1],maxs[2]);
qglVertex3f(mins[0],maxs[1],maxs[2]);
qglEnd();
qglBegin(GL_LINES);
qglVertex3f(mins[0],mins[1],mins[2]);
qglVertex3f(mins[0],mins[1],maxs[2]);
qglVertex3f(mins[0],maxs[1],maxs[2]);
qglVertex3f(mins[0],maxs[1],mins[2]);
qglVertex3f(maxs[0],mins[1],mins[2]);
qglVertex3f(maxs[0],mins[1],maxs[2]);
qglVertex3f(maxs[0],maxs[1],maxs[2]);
qglVertex3f(maxs[0],maxs[1],mins[2]);
qglEnd();
}
qglPopAttrib();
bReturn = true;
}
else
{
b->bModelFailed = true;
}
g_bInPaintedModel = false;
return bReturn;
}
/*
//++timo moved out to mahlib.h
//++timo remove
void AngleVectors (vec3_t angles, vec3_t forward, vec3_t right, vec3_t up)
{
float angle;
static float sr, sp, sy, cr, cp, cy;
// static to help MS compiler fp bugs
angle = angles[YAW] * Q_PI / 180;
sy = sin(angle);
cy = cos(angle);
angle = angles[PITCH] * Q_PI / 180;
sp = sin(angle);
cp = cos(angle);
angle = angles[ROLL] * Q_PI / 180;
sr = sin(angle);
cr = cos(angle);
if (forward)
{
forward[0] = cp*cy;
forward[1] = cp*sy;
forward[2] = -sp;
}
if (right)
{
right[0] = (-1*sr*sp*cy+-1*cr*-sy);
right[1] = (-1*sr*sp*sy+-1*cr*cy);
right[2] = -1*sr*cp;
}
if (up)
{
up[0] = (cr*sp*cy+-sr*-sy);
up[1] = (cr*sp*sy+-sr*cy);
up[2] = cr*cp;
}
}
*/
void FacingVectors (entity_t *e, vec3_t forward, vec3_t right, vec3_t up)
{
int angleVal;
vec3_t angles;
angleVal = IntForKey(e, "angle");
if (angleVal == -1) // up
{
VectorSet(angles, 270, 0, 0);
}
else if(angleVal == -2) // down
{
VectorSet(angles, 90, 0, 0);
}
else
{
VectorSet(angles, 0, angleVal, 0);
}
AngleVectors(angles, forward, right, up);
}
void Brush_DrawFacingAngle (brush_t *b, entity_t *e)
{
vec3_t forward, right, up;
vec3_t endpoint, tip1, tip2;
vec3_t start;
float dist;
VectorAdd(e->brushes.onext->mins, e->brushes.onext->maxs, start);
VectorScale(start, 0.5, start);
dist = (b->maxs[0] - start[0]) * 2.5;
FacingVectors (e, forward, right, up);
VectorMA (start, dist, forward, endpoint);
dist = (b->maxs[0] - start[0]) * 0.5;
VectorMA (endpoint, -dist, forward, tip1);
VectorMA (tip1, -dist, up, tip1);
VectorMA (tip1, 2*dist, up, tip2);
qglColor4f (1, 1, 1, 1);
qglLineWidth (4);
qglBegin (GL_LINES);
qglVertex3fv (start);
qglVertex3fv (endpoint);
qglVertex3fv (endpoint);
qglVertex3fv (tip1);
qglVertex3fv (endpoint);
qglVertex3fv (tip2);
qglEnd ();
qglLineWidth (1);
}
void DrawLight(brush_t *b)
{
vec3_t vTriColor;
bool bTriPaint = false;
vTriColor[0] = vTriColor[2] = 1.0;
vTriColor[1] = 1.0;
bTriPaint = true;
CString strColor = ValueForKey(b->owner, "_color");
if (strColor.GetLength() > 0)
{
float fR, fG, fB;
int n = sscanf(strColor,"%f %f %f", &fR, &fG, &fB);
if (n == 3)
{
vTriColor[0] = fR;
vTriColor[1] = fG;
vTriColor[2] = fB;
}
}
qglColor3f(vTriColor[0], vTriColor[1], vTriColor[2]);
vec3_t vCorners[4];
float fMid = b->mins[2] + (b->maxs[2] - b->mins[2]) / 2;
vCorners[0][0] = b->mins[0];
vCorners[0][1] = b->mins[1];
vCorners[0][2] = fMid;
vCorners[1][0] = b->mins[0];
vCorners[1][1] = b->maxs[1];
vCorners[1][2] = fMid;
vCorners[2][0] = b->maxs[0];
vCorners[2][1] = b->maxs[1];
vCorners[2][2] = fMid;
vCorners[3][0] = b->maxs[0];
vCorners[3][1] = b->mins[1];
vCorners[3][2] = fMid;
vec3_t vTop, vBottom;
vTop[0] = b->mins[0] + ((b->maxs[0] - b->mins[0]) / 2);
vTop[1] = b->mins[1] + ((b->maxs[1] - b->mins[1]) / 2);
vTop[2] = b->maxs[2];
VectorCopy(vTop, vBottom);
vBottom[2] = b->mins[2];
vec3_t vSave;
VectorCopy(vTriColor, vSave);
qglBegin(GL_TRIANGLE_FAN);
qglVertex3fv(vTop);
for (int i = 0; i <= 3; i++)
{
vTriColor[0] *= 0.95;
vTriColor[1] *= 0.95;
vTriColor[2] *= 0.95;
qglColor3f(vTriColor[0], vTriColor[1], vTriColor[2]);
qglVertex3fv(vCorners[i]);
}
qglVertex3fv(vCorners[0]);
qglEnd();
VectorCopy(vSave, vTriColor);
vTriColor[0] *= 0.95;
vTriColor[1] *= 0.95;
vTriColor[2] *= 0.95;
qglBegin(GL_TRIANGLE_FAN);
qglVertex3fv(vBottom);
qglVertex3fv(vCorners[0]);
for (i = 3; i >= 0; i--)
{
vTriColor[0] *= 0.95;
vTriColor[1] *= 0.95;
vTriColor[2] *= 0.95;
qglColor3f(vTriColor[0], vTriColor[1], vTriColor[2]);
qglVertex3fv(vCorners[i]);
}
qglEnd();
// check for DOOM lights
CString str = ValueForKey(b->owner, "light_right");
if (str.GetLength() > 0) {
vec3_t vRight, vUp, vTarget, vTemp;
GetVectorForKey (b->owner, "light_right", vRight);
GetVectorForKey (b->owner, "light_up", vUp);
GetVectorForKey (b->owner, "light_target", vTarget);
qglColor3f(0, 1, 0);
qglBegin(GL_LINE_LOOP);
VectorAdd(vTarget, b->owner->origin, vTemp);
VectorAdd(vTemp, vRight, vTemp);
VectorAdd(vTemp, vUp, vTemp);
qglVertex3fv(b->owner->origin);
qglVertex3fv(vTemp);
VectorAdd(vTarget, b->owner->origin, vTemp);
VectorAdd(vTemp, vUp, vTemp);
VectorSubtract(vTemp, vRight, vTemp);
qglVertex3fv(b->owner->origin);
qglVertex3fv(vTemp);
VectorAdd(vTarget, b->owner->origin, vTemp);
VectorAdd(vTemp, vRight, vTemp);
VectorSubtract(vTemp, vUp, vTemp);
qglVertex3fv(b->owner->origin);
qglVertex3fv(vTemp);
VectorAdd(vTarget, b->owner->origin, vTemp);
VectorSubtract(vTemp, vUp, vTemp);
VectorSubtract(vTemp, vRight, vTemp);
qglVertex3fv(b->owner->origin);
qglVertex3fv(vTemp);
qglEnd();
}
}
void Brush_Draw( brush_t *b )
{
face_t *face;
int i, order;
qtexture_t *prev = 0;
winding_t *w;
if ( b->owner && ( b->owner->eclass->nShowFlags & ECLASS_PLUGINENTITY ) )
{
b->owner->pPlugEnt->CamRender();
return;
}
// (TTimo) NOTE: added by build 173, I check after pPlugEnt so it doesn't interfere ?
if (b->hiddenBrush)
{
return;
}
if (b->patchBrush)
{
//Patch_DrawCam(b->nPatchID);
Patch_DrawCam(b->pPatch);
//if (!g_bPatchShowBounds)
return;
}
if (b->terrainBrush)
{
Terrain_DrawCam(b->pTerrain);
return;
}
int nDrawMode = g_pParentWnd->GetCamera()->Camera().draw_mode;
if (b->owner->eclass->fixedsize)
{
if (!(g_qeglobals.d_savedinfo.exclude & EXCLUDE_ANGLES) && (b->owner->eclass->nShowFlags & ECLASS_ANGLE))
{
Brush_DrawFacingAngle(b, b->owner);
}
if (g_PrefsDlg.m_bNewLightDraw && (b->owner->eclass->nShowFlags & ECLASS_LIGHT))
{
DrawLight(b);
return;
}
if (nDrawMode == cd_texture || nDrawMode == cd_light)
qglDisable (GL_TEXTURE_2D);
// if we are wireframing models
bool bp = (b->bModelFailed) ? false : PaintedModel(b, true);
if (nDrawMode == cd_texture || nDrawMode == cd_light)
qglEnable (GL_TEXTURE_2D);
if (bp)
return;
}
// guarantee the texture will be set first
prev = NULL;
for (face = b->brush_faces,order = 0 ; face ; face=face->next, order++)
{
w = face->face_winding;
if (!w)
{
continue; // freed face
}
if (g_qeglobals.d_savedinfo.exclude & EXCLUDE_CAULK)
{
if (strstr(face->texdef.name, "caulk"))
{
continue;
}
}
#if 0
if (b->alphaBrush)
{
if (!(face->texdef.flags & SURF_ALPHA))
continue;
//--qglPushAttrib(GL_ALL_ATTRIB_BITS);
qglDisable(GL_CULL_FACE);
//--qglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
//--qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//--qglDisable(GL_DEPTH_TEST);
//--qglBlendFunc (GL_SRC_ALPHA, GL_DST_ALPHA);
//--qglEnable (GL_BLEND);
}
#endif
if ((nDrawMode == cd_texture || nDrawMode == cd_light) && face->d_texture != prev)
{
// set the texture for this face
prev = face->d_texture;
qglBindTexture( GL_TEXTURE_2D, face->d_texture->texture_number );
}
if (!b->patchBrush)
{
if (face->texdef.flags & SURF_TRANS33)
qglColor4f ( face->d_color[0], face->d_color[1], face->d_color[2], 0.33 );
else if ( face->texdef.flags & SURF_TRANS66)
qglColor4f ( face->d_color[0], face->d_color[1], face->d_color[2], 0.66 );
else
qglColor3fv( face->d_color );
}
else
{
qglColor4f ( face->d_color[0], face->d_color[1], face->d_color[2], 0.13 );
}
// shader drawing stuff
if (face->d_texture->bFromShader)
{
// setup shader drawing
qglColor4f ( face->d_color[0], face->d_color[1], face->d_color[2], face->d_texture->fTrans );
}
// draw the polygon
//if (nDrawMode == cd_light)
//{
if (g_PrefsDlg.m_bGLLighting)
{
qglNormal3fv(face->plane.normal);
}
//}
qglBegin(GL_POLYGON);
//if (nDrawMode == cd_light)
for (i=0 ; i<w->numpoints ; i++)
{
if (nDrawMode == cd_texture || nDrawMode == cd_light)
qglTexCoord2fv( &w->points[i][3] );
qglVertex3fv(w->points[i]);
}
qglEnd();
}
#if 0
if (b->alphaBrush)
{
//--qglPopAttrib();
qglEnable(GL_CULL_FACE);
//--qglDisable (GL_BLEND);
//--qglTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
#endif
if (b->owner->eclass->fixedsize && (nDrawMode == cd_texture || nDrawMode == cd_light))
qglEnable (GL_TEXTURE_2D);
qglBindTexture( GL_TEXTURE_2D, 0 );
}
void Face_Draw( face_t *f )
{
int i;
if ( f->face_winding == 0 )
return;
qglBegin( GL_POLYGON );
for ( i = 0 ; i < f->face_winding->numpoints; i++)
qglVertex3fv( f->face_winding->points[i] );
qglEnd();
}
void Brush_DrawXY(brush_t *b, int nViewType)
{
face_t *face;
int order;
winding_t *w;
int i;
if (b->hiddenBrush)
{
return;
}
if (b->patchBrush)
{
//Patch_DrawXY(b->nPatchID);
Patch_DrawXY(b->pPatch);
if (!g_bPatchShowBounds)
return;
}
if (b->terrainBrush)
{
Terrain_DrawXY(b->pTerrain, b->owner);
}
if (b->owner->eclass->fixedsize)
{
if (g_PrefsDlg.m_bNewLightDraw && (b->owner->eclass->nShowFlags & ECLASS_LIGHT))
{
vec3_t vCorners[4];
float fMid = b->mins[2] + (b->maxs[2] - b->mins[2]) / 2;
vCorners[0][0] = b->mins[0];
vCorners[0][1] = b->mins[1];
vCorners[0][2] = fMid;
vCorners[1][0] = b->mins[0];
vCorners[1][1] = b->maxs[1];
vCorners[1][2] = fMid;
vCorners[2][0] = b->maxs[0];
vCorners[2][1] = b->maxs[1];
vCorners[2][2] = fMid;
vCorners[3][0] = b->maxs[0];
vCorners[3][1] = b->mins[1];
vCorners[3][2] = fMid;
vec3_t vTop, vBottom;
vTop[0] = b->mins[0] + ((b->maxs[0] - b->mins[0]) / 2);
vTop[1] = b->mins[1] + ((b->maxs[1] - b->mins[1]) / 2);
vTop[2] = b->maxs[2];
VectorCopy(vTop, vBottom);
vBottom[2] = b->mins[2];
qglPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
qglBegin(GL_TRIANGLE_FAN);
qglVertex3fv(vTop);
qglVertex3fv(vCorners[0]);
qglVertex3fv(vCorners[1]);
qglVertex3fv(vCorners[2]);
qglVertex3fv(vCorners[3]);
qglVertex3fv(vCorners[0]);
qglEnd();
qglBegin(GL_TRIANGLE_FAN);
qglVertex3fv(vBottom);
qglVertex3fv(vCorners[0]);
qglVertex3fv(vCorners[3]);
qglVertex3fv(vCorners[2]);
qglVertex3fv(vCorners[1]);
qglVertex3fv(vCorners[0]);
qglEnd();
DrawBrushEntityName (b);
return;
}
else if (b->owner->eclass->nShowFlags & ECLASS_MISCMODEL)
{
if (PaintedModel(b, false))
return;
}
}
for (face = b->brush_faces,order = 0 ; face ; face=face->next, order++)
{
// only draw polygons facing in a direction we care about
if (nViewType == XY)
{
if (face->plane.normal[2] <= 0)
continue;
}
else
{
if (nViewType == XZ)
{
if (face->plane.normal[1] <= 0)
continue;
}
else
{
if (face->plane.normal[0] <= 0)
continue;
}
}
w = face->face_winding;
if (!w)
continue;
//if (b->alphaBrush && !(face->texdef.flags & SURF_ALPHA))
// continue;
// draw the polygon
qglBegin(GL_LINE_LOOP);
for (i=0 ; i<w->numpoints ; i++)
qglVertex3fv(w->points[i]);
qglEnd();
}
DrawBrushEntityName (b);
}
/*
============
Brush_Move
============
*/
void Brush_Move (brush_t *b, const vec3_t move, bool bSnap)
{
int i;
face_t *f;
for (f=b->brush_faces ; f ; f=f->next)
{
vec3_t vTemp;
VectorCopy(move, vTemp);
if (g_PrefsDlg.m_bTextureLock)
Face_MoveTexture(f, vTemp);
for (i=0 ; i<3 ; i++)
VectorAdd (f->planepts[i], move, f->planepts[i]);
}
Brush_Build( b, bSnap );
if (b->patchBrush)
{
//Patch_Move(b->nPatchID, move);
Patch_Move(b->pPatch, move);
}
if (b->terrainBrush)
{
Terrain_Move(b->pTerrain, move);
}
// PGM - keep the origin vector up to date on fixed size entities.
if(b->owner->eclass->fixedsize)
{
VectorAdd(b->owner->origin, move, b->owner->origin);
//VectorAdd(b->maxs, b->mins, b->owner->origin);
//VectorScale(b->owner->origin, 0.5, b->owner->origin);
}
}
void Brush_Print(brush_t* b)
{
int nFace = 0;
for (face_t* f = b->brush_faces ; f ; f=f->next)
{
Sys_Printf("Face %i\n", nFace++);
Sys_Printf("%f %f %f\n", f->planepts[0][0], f->planepts[0][1], f->planepts[0][2]);
Sys_Printf("%f %f %f\n", f->planepts[1][0], f->planepts[1][1], f->planepts[1][2]);
Sys_Printf("%f %f %f\n", f->planepts[2][0], f->planepts[2][1], f->planepts[2][2]);
}
}
/*
=============
Brush_MakeSided
Makes the current brushhave the given number of 2d sides and turns it into a cone
=============
*/
void Brush_MakeSidedCone(int sides)
{
int i;
vec3_t mins, maxs;
brush_t *b;
texdef_t *texdef;
face_t *f;
vec3_t mid;
float width;
float sv, cv;
if (sides < 3)
{
Sys_Status ("Bad sides number", 0);
return;
}
if (!QE_SingleBrush ())
{
Sys_Status ("Must have a single brush selected", 0 );
return;
}
b = selected_brushes.next;
VectorCopy (b->mins, mins);
VectorCopy (b->maxs, maxs);
texdef = &g_qeglobals.d_texturewin.texdef;
Brush_Free (b);
// find center of brush
width = 8;
for (i=0 ; i<2 ; i++)
{
mid[i] = (maxs[i] + mins[i])*0.5;
if (maxs[i] - mins[i] > width)
width = maxs[i] - mins[i];
}
width /= 2;
b = Brush_Alloc();
// create bottom face
f = Face_Alloc();
f->texdef = *texdef;
f->next = b->brush_faces;
b->brush_faces = f;
f->planepts[0][0] = mins[0];f->planepts[0][1] = mins[1];f->planepts[0][2] = mins[2];
f->planepts[1][0] = maxs[0];f->planepts[1][1] = mins[1];f->planepts[1][2] = mins[2];
f->planepts[2][0] = maxs[0];f->planepts[2][1] = maxs[1];f->planepts[2][2] = mins[2];
for (i=0 ; i<sides ; i++)
{
f = Face_Alloc();
f->texdef = *texdef;
f->next = b->brush_faces;
b->brush_faces = f;
sv = sin (i*3.14159265*2/sides);
cv = cos (i*3.14159265*2/sides);
f->planepts[0][0] = floor(mid[0]+width*cv+0.5);
f->planepts[0][1] = floor(mid[1]+width*sv+0.5);
f->planepts[0][2] = mins[2];
f->planepts[1][0] = mid[0];
f->planepts[1][1] = mid[1];
f->planepts[1][2] = maxs[2];
f->planepts[2][0] = floor(f->planepts[0][0] - width * sv + 0.5);
f->planepts[2][1] = floor(f->planepts[0][1] + width * cv + 0.5);
f->planepts[2][2] = maxs[2];
}
Brush_AddToList (b, &selected_brushes);
Entity_LinkBrush (world_entity, b);
Brush_Build( b );
Sys_UpdateWindows (W_ALL);
}
/*
=============
Brush_MakeSided
Makes the current brushhave the given number of 2d sides and turns it into a sphere
=============
*/
void Brush_MakeSidedSphere(int sides)
{
int i,j;
vec3_t mins, maxs;
brush_t *b;
texdef_t *texdef;
face_t *f;
vec3_t mid;
if (sides < 4)
{
Sys_Status ("Bad sides number", 0);
return;
}
if (!QE_SingleBrush ())
{
Sys_Status ("Must have a single brush selected", 0 );
return;
}
b = selected_brushes.next;
VectorCopy (b->mins, mins);
VectorCopy (b->maxs, maxs);
texdef = &g_qeglobals.d_texturewin.texdef;
Brush_Free (b);
// find center of brush
float radius = 8;
for (i=0 ; i<2 ; i++)
{
mid[i] = (maxs[i] + mins[i])*0.5;
if (maxs[i] - mins[i] > radius)
radius = maxs[i] - mins[i];
}
radius /= 2;
b = Brush_Alloc();
float dt = float(2 * Q_PI / sides);
float dp = float(Q_PI / sides);
float t,p;
for(i=0; i <= sides-1; i++)
{
for(j=0;j <= sides-2; j++)
{
t = i * dt;
p = float(j * dp - Q_PI / 2);
f = Face_Alloc();
f->texdef = *texdef;
f->next = b->brush_faces;
b->brush_faces = f;
VectorPolar(f->planepts[0], radius, t, p);
VectorPolar(f->planepts[1], radius, t, p + dp);
VectorPolar(f->planepts[2], radius, t + dt, p + dp);
for (int k = 0; k < 3; k++)
VectorAdd(f->planepts[k], mid, f->planepts[k]);
}
}
p = float((sides - 1) * dp - Q_PI / 2);
for(i = 0; i <= sides-1; i++)
{
t = i * dt;
f = Face_Alloc();
f->texdef = *texdef;
f->next = b->brush_faces;
b->brush_faces = f;
VectorPolar(f->planepts[0], radius, t, p);
VectorPolar(f->planepts[1], radius, t + dt, p + dp);
VectorPolar(f->planepts[2], radius, t + dt, p);
for (int k = 0; k < 3; k++)
VectorAdd(f->planepts[k], mid, f->planepts[k]);
}
Brush_AddToList (b, &selected_brushes);
Entity_LinkBrush (world_entity, b);
Brush_Build( b );
Sys_UpdateWindows (W_ALL);
}
void Face_FitTexture( face_t * face, int nHeight, int nWidth )
{
winding_t *w;
vec3_t mins,maxs;
int i;
float width, height, temp;
float rot_width, rot_height;
float cosv,sinv,ang;
float min_t, min_s, max_t, max_s;
float s,t;
vec3_t vecs[2];
vec3_t coords[4];
texdef_t *td;
if (nHeight < 1)
{
nHeight = 1;
}
if (nWidth < 1)
{
nWidth = 1;
}
ClearBounds (mins, maxs);
td = &face->texdef;
w = face->face_winding;
if (!w)
{
return;
}
for (i=0 ; i<w->numpoints ; i++)
{
AddPointToBounds( w->points[i], mins, maxs );
}
//
// get the current angle
//
ang = td->rotate / 180 * Q_PI;
sinv = sin(ang);
cosv = cos(ang);
// get natural texture axis
TextureAxisFromPlane(&face->plane, vecs[0], vecs[1]);
min_s = DotProduct( mins, vecs[0] );
min_t = DotProduct( mins, vecs[1] );
max_s = DotProduct( maxs, vecs[0] );
max_t = DotProduct( maxs, vecs[1] );
width = max_s - min_s;
height = max_t - min_t;
coords[0][0] = min_s;
coords[0][1] = min_t;
coords[1][0] = max_s;
coords[1][1] = min_t;
coords[2][0] = min_s;
coords[2][1] = max_t;
coords[3][0] = max_s;
coords[3][1] = max_t;
min_s = min_t = 99999;
max_s = max_t = -99999;
for (i=0; i<4; i++)
{
s = cosv * coords[i][0] - sinv * coords[i][1];
t = sinv * coords[i][0] + cosv * coords[i][1];
if (i&1)
{
if (s > max_s)
{
max_s = s;
}
}
else
{
if (s < min_s)
{
min_s = s;
}
if (i<2)
{
if (t < min_t)
{
min_t = t;
}
}
else
{
if (t > max_t)
{
max_t = t;
}
}
}
}
rot_width = (max_s - min_s);
rot_height = (max_t - min_t);
td->scale[0] = -(rot_width/((float)(face->d_texture->width*nWidth)));
td->scale[1] = -(rot_height/((float)(face->d_texture->height*nHeight)));
td->shift[0] = min_s/td->scale[0];
temp = (int)(td->shift[0] / (face->d_texture->width*nWidth));
temp = (temp+1)*face->d_texture->width*nWidth;
td->shift[0] = (int)(temp - td->shift[0])%(face->d_texture->width*nWidth);
td->shift[1] = min_t/td->scale[1];
temp = (int)(td->shift[1] / (face->d_texture->height*nHeight));
temp = (temp+1)*(face->d_texture->height*nHeight);
td->shift[1] = (int)(temp - td->shift[1])%(face->d_texture->height*nHeight);
}
void Brush_FitTexture( brush_t *b, int nHeight, int nWidth )
{
face_t *face;
for (face = b->brush_faces ; face ; face=face->next)
{
Face_FitTexture( face, nHeight, nWidth );
}
}
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