//% Sys_Printf( "Failed to map axis %d onto patch\n", bestAxis );
}
- /* get lightmap sample size */
- if( ds->sampleSize <= 0 )
+ /* calculate lightmap sample size */
+ if( ds->shaderInfo->lightmapSampleSize > 0 ) /* shader value overrides every other */
+ ds->sampleSize = ds->shaderInfo->lightmapSampleSize;
+ else if( ds->sampleSize <= 0 ) /* may contain the entity asigned value */
+ ds->sampleSize = sampleSize; /* otherwise use global default */
+
+ if( ds->lightmapScale > 0.0f ) /* apply surface lightmap scaling factor */
{
- ds->sampleSize = sampleSize;
- if( ds->shaderInfo->lightmapSampleSize )
- ds->sampleSize = ds->shaderInfo->lightmapSampleSize;
- if( ds->lightmapScale > 0 )
- ds->sampleSize *= ds->lightmapScale;
- if( ds->sampleSize <= 0 )
- ds->sampleSize = 1;
- if(ds->sampleSize < minSampleSize)
- ds->sampleSize = minSampleSize;
- if( ds->sampleSize > 16384 ) /* powers of 2 are preferred */
- ds->sampleSize = 16384;
+ ds->sampleSize = ds->lightmapScale * (float)ds->sampleSize;
+ ds->lightmapScale = 0; /* applied */
}
+
+ if( ds->sampleSize < minSampleSize )
+ ds->sampleSize = minSampleSize;
+
+ if( ds->sampleSize < 1 )
+ ds->sampleSize = 1;
+
+ if( ds->sampleSize > 16384 ) /* powers of 2 are preferred */
+ ds->sampleSize = 16384;
}
}
ds->mapBrush = b;
ds->sideRef = AllocSideRef( s, NULL );
ds->fogNum = -1;
+ ds->sampleSize = b->lightmapSampleSize;
ds->lightmapScale = b->lightmapScale;
ds->numVerts = w->numpoints;
ds->verts = safe_malloc( ds->numVerts * sizeof( *ds->verts ) );
ds->celShader = b->celShader;
/* set shade angle */
- if( si->shadeAngleDegrees )
- ds->shadeAngleDegrees = ds->shadeAngleDegrees;
- else
- ds->shadeAngleDegrees = b->shadeAngleDegrees; /* otherwise it's 0 */
+ if( b->shadeAngleDegrees > 0.0f )
+ ds->shadeAngleDegrees = b->shadeAngleDegrees;
/* ydnar: gs mods: moved st biasing elsewhere */
return ds;
ds->shaderInfo = si;
ds->mapMesh = p;
+ ds->sampleSize = p->lightmapSampleSize;
ds->lightmapScale = p->lightmapScale; /* ydnar */
ds->patchWidth = mesh->width;
ds->patchHeight = mesh->height;
return AddReferenceToLeaf( ds, node );
}
+/*
+FilterPointConvexHullIntoTree_r() - ydnar
+filters the convex hull of multiple points from a surface into the tree
+*/
+
+int FilterPointConvexHullIntoTree_r( vec3_t **points, int npoints, mapDrawSurface_t *ds, node_t *node )
+{
+ float d, dmin, dmax;
+ plane_t *plane;
+ int refs = 0;
+ int i;
+
+ if(!points)
+ return 0;
+
+ /* is this a decision node? */
+ if( node->planenum != PLANENUM_LEAF )
+ {
+ /* classify the point in relation to the plane */
+ plane = &mapplanes[ node->planenum ];
+
+ dmin = dmax = DotProduct( *(points[0]), plane->normal ) - plane->dist;
+ for(i = 1; i < npoints; ++i)
+ {
+ d = DotProduct( *(points[i]), plane->normal ) - plane->dist;
+ if(d > dmax)
+ dmax = d;
+ if(d < dmin)
+ dmin = d;
+ }
+
+ /* filter by this plane */
+ refs = 0;
+ if( dmax >= -ON_EPSILON )
+ refs += FilterPointConvexHullIntoTree_r( points, npoints, ds, node->children[ 0 ] );
+ if( dmin <= ON_EPSILON )
+ refs += FilterPointConvexHullIntoTree_r( points, npoints, ds, node->children[ 1 ] );
+
+ /* return */
+ return refs;
+ }
+
+ /* add a reference */
+ return AddReferenceToLeaf( ds, node );
+}
/*
{
/* 'fatten' the winding by the shader mins/maxs (parsed from vertexDeform move) */
/* note this winding is completely invalid (concave, nonplanar, etc) */
- fat = AllocWinding( w->numpoints * 3 );
- fat->numpoints = w->numpoints * 3;
+ fat = AllocWinding( w->numpoints * 3 + 3 );
+ fat->numpoints = w->numpoints * 3 + 3;
for( i = 0; i < w->numpoints; i++ )
{
VectorCopy( w->p[ i ], fat->p[ i ] );
- VectorAdd( w->p[ i ], si->mins, fat->p[ i * 2 ] );
- VectorAdd( w->p[ i ], si->maxs, fat->p[ i * 3 ] );
+ VectorAdd( w->p[ i ], si->mins, fat->p[ i + (w->numpoints+1) ] );
+ VectorAdd( w->p[ i ], si->maxs, fat->p[ i + (w->numpoints+1) * 2 ] );
}
+ VectorCopy( w->p[ 0 ], fat->p[ i ] );
+ VectorAdd( w->p[ 0 ], si->mins, fat->p[ i + w->numpoints ] );
+ VectorAdd( w->p[ 0 ], si->maxs, fat->p[ i + w->numpoints * 2 ] );
+
+ /*
+ * note: this winding is STILL not suitable for ClipWindingEpsilon, and
+ * also does not really fulfill the intention as it only contains
+ * origin, +mins, +maxs, but thanks to the "closing" points I just
+ * added to the three sub-windings, the fattening at least doesn't make
+ * it worse
+ */
FreeWinding( w );
w = fat;
static int FilterPatchIntoTree( mapDrawSurface_t *ds, tree_t *tree )
{
- int i, x, y, refs;
- mesh_t src, *mesh;
- winding_t *w;
-
+ int x, y, refs;
- /* subdivide the surface */
- src.width = ds->patchWidth;
- src.height = ds->patchHeight;
- src.verts = ds->verts;
- mesh = SubdivideMesh( src, FILTER_SUBDIVISION, 32 );
-
-
- /* filter each quad into the tree (fixme: use new patch x-triangulation code?) */
- refs = 0;
- for( y = 0; y < (mesh->height - 1); y++ )
- {
- for( x = 0; x < (mesh->width - 1); x++ )
+ for(y = 0; y + 2 < ds->patchHeight; y += 2)
+ for(x = 0; x + 2 < ds->patchWidth; x += 2)
{
- /* triangle 1 */
- w = AllocWinding( 3 );
- w->numpoints = 3;
- VectorCopy( mesh->verts[ y * mesh->width + x ].xyz, w->p[ 0 ] );
- VectorCopy( mesh->verts[ y * mesh->width + x + 1 ].xyz, w->p[ 1 ] );
- VectorCopy( mesh->verts[ (y + 1) * mesh->width + x ].xyz, w->p[ 2 ] );
- refs += FilterWindingIntoTree_r( w, ds, tree->headnode );
-
- /* triangle 2 */
- w = AllocWinding( 3 );
- w->numpoints = 3;
- VectorCopy( mesh->verts[ y * mesh->width + x + 1 ].xyz, w->p[ 0 ] );
- VectorCopy( mesh->verts[ (y + 1 ) * mesh->width + x + 1 ].xyz, w->p[ 1 ] );
- VectorCopy( mesh->verts[ (y + 1 ) * mesh->width + x ].xyz, w->p[ 2 ] );
- refs += FilterWindingIntoTree_r( w, ds, tree->headnode );
+ vec3_t *points[9];
+ points[0] = &ds->verts[(y+0) * ds->patchWidth + (x+0)].xyz;
+ points[1] = &ds->verts[(y+0) * ds->patchWidth + (x+1)].xyz;
+ points[2] = &ds->verts[(y+0) * ds->patchWidth + (x+2)].xyz;
+ points[3] = &ds->verts[(y+1) * ds->patchWidth + (x+0)].xyz;
+ points[4] = &ds->verts[(y+1) * ds->patchWidth + (x+1)].xyz;
+ points[5] = &ds->verts[(y+1) * ds->patchWidth + (x+2)].xyz;
+ points[6] = &ds->verts[(y+2) * ds->patchWidth + (x+0)].xyz;
+ points[7] = &ds->verts[(y+2) * ds->patchWidth + (x+1)].xyz;
+ points[8] = &ds->verts[(y+2) * ds->patchWidth + (x+2)].xyz;
+ refs += FilterPointConvexHullIntoTree_r(points, 9, ds, tree->headnode);
}
- }
-
- /* use point filtering as well */
- for( i = 0; i < (mesh->width * mesh->height); i++ )
- refs += FilterPointIntoTree_r( mesh->verts[ i ].xyz, ds, tree->headnode );
-
- /* free the subdivided mesh and return */
- FreeMesh( mesh );
+
return refs;
}
}
/* insert the model */
- InsertModel( (char *) model->model, 0, transform, NULL, ds->celShader, ds->entityNum, ds->castShadows, ds->recvShadows, 0, ds->lightmapScale, 0 );
+ InsertModel( (char *) model->model, 0, transform, NULL, ds->celShader, ds->entityNum, ds->castShadows, ds->recvShadows, 0, ds->lightmapScale, 0, 0 );
/* return to sender */
return 1;
projects / xonotic / netradiant.git / blobdiff