public virtual void Mod_SetParent(mnode_t node, mnode_t parent)
{
node.parent = parent;
if (node.contents != -1)
{
return;
}
Mod_SetParent(node.children[0], node);
Mod_SetParent(node.children[1], node);
}
/*
* =============================================================================
*
* DYNAMIC LIGHTS
*
* =============================================================================
*/
/*
* ============= R_MarkLights =============
*/
protected void R_MarkLights(dlight_t light, int bit, mnode_t node)
{
cplane_t splitplane;
float dist;
msurface_t surf;
int i;
int sidebit;
if (node.contents != -1)
{
return;
}
splitplane = node.plane;
dist = Math3D.DotProduct(light.origin, splitplane.normal) - splitplane.dist;
if (dist > light.intensity - OpenGLRenderApi.DLIGHT_CUTOFF)
{
this.R_MarkLights(light, bit, node.children[0]);
return;
}
if (dist < -light.intensity + OpenGLRenderApi.DLIGHT_CUTOFF)
{
this.R_MarkLights(light, bit, node.children[1]);
return;
}
// mark the polygons
for (i = 0; i < node.numsurfaces; i++)
{
surf = this.r_worldmodel.surfaces[node.firstsurface + i];
dist = Math3D.DotProduct(light.origin, surf.plane.normal) - surf.plane.dist;
sidebit = dist >= 0 ? 0 : Defines.SURF_PLANEBACK;
if ((surf.flags & Defines.SURF_PLANEBACK) != sidebit)
{
continue;
}
if (surf.dlightframe != this.r_dlightframecount)
{
surf.dlightbits = 0;
surf.dlightframe = this.r_dlightframecount;
}
surf.dlightbits |= bit;
}
this.R_MarkLights(light, bit, node.children[0]);
this.R_MarkLights(light, bit, node.children[1]);
}
public virtual void Mod_LoadNodes(lump_t l)
{
Int32 i, j, count, p;
qfiles.dnode_t in_renamed;
mnode_t[] out_renamed;
if ((l.filelen % qfiles.dnode_t.SIZE) != 0)
{
Com.Error(Defines.ERR_DROP, "MOD_LoadBmodel: funny lump size in " + loadmodel.name);
}
count = l.filelen / qfiles.dnode_t.SIZE;
out_renamed = new mnode_t[count];
loadmodel.nodes = out_renamed;
loadmodel.numnodes = count;
ByteBuffer bb = ByteBuffer.Wrap(mod_base, l.fileofs, l.filelen);
bb.Order = ByteOrder.LittleEndian;
for (i = 0; i < count; i++)
{
out_renamed[i] = new mnode_t();
}
for (i = 0; i < count; i++)
{
in_renamed = new dnode_t(bb);
for (j = 0; j < 3; j++)
{
out_renamed[i].mins[j] = in_renamed.mins[j];
out_renamed[i].maxs[j] = in_renamed.maxs[j];
}
p = in_renamed.planenum;
out_renamed[i].plane = loadmodel.planes[p];
out_renamed[i].firstsurface = in_renamed.firstface;
out_renamed[i].numsurfaces = in_renamed.numfaces;
out_renamed[i].contents = -1;
for (j = 0; j < 2; j++)
{
p = in_renamed.children[j];
if (p >= 0)
{
out_renamed[i].children[j] = loadmodel.nodes[p];
}
else
{
out_renamed[i].children[j] = loadmodel.leafs[-1 - p];
}
}
}
Mod_SetParent(loadmodel.nodes[0], null);
}
public override void R_MarkLights(dlight_t light, Int32 bit, mnode_t node)
{
cplane_t splitplane;
Single dist;
msurface_t surf;
Int32 i;
Int32 sidebit;
if (node.contents != -1)
{
return;
}
splitplane = node.plane;
dist = Math3D.DotProduct(light.origin, splitplane.normal) - splitplane.dist;
if (dist > light.intensity - DLIGHT_CUTOFF)
{
R_MarkLights(light, bit, node.children[0]);
return;
}
if (dist < -light.intensity + DLIGHT_CUTOFF)
{
R_MarkLights(light, bit, node.children[1]);
return;
}
for (i = 0; i < node.numsurfaces; i++)
{
surf = r_worldmodel.surfaces[node.firstsurface + i];
dist = Math3D.DotProduct(light.origin, surf.plane.normal) - surf.plane.dist;
sidebit = (dist >= 0) ? 0 : Defines.SURF_PLANEBACK;
if ((surf.flags & Defines.SURF_PLANEBACK) != sidebit)
{
continue;
}
if (surf.dlightframe != r_dlightframecount)
{
surf.dlightbits = 0;
surf.dlightframe = r_dlightframecount;
}
surf.dlightbits |= bit;
}
R_MarkLights(light, bit, node.children[0]);
R_MarkLights(light, bit, node.children[1]);
}
public static void R_AddEfrags(entity_t ent)
{
if (ent.model == null)
{
return;
}
r_addent = ent;
_LastObj = ent; // lastlink = &ent->efrag;
r_pefragtopnode = null;
model_t entmodel = ent.model;
r_emins = ent.origin + entmodel.mins;
r_emaxs = ent.origin + entmodel.maxs;
R_SplitEntityOnNode(cl.worldmodel.nodes[0]);
ent.topnode = r_pefragtopnode;
}
public static void SV_FindTouchedLeafs(edict_t ent, mnodebase_t node)
{
if (node.contents == q_shared.CONTENTS_SOLID)
{
return;
}
// add an efrag if the node is a leaf
if (node.contents < 0)
{
if (ent.num_leafs == q_shared.MAX_ENT_LEAFS)
{
return;
}
mleaf_t leaf = (mleaf_t)node;
int leafnum = Array.IndexOf(sv.worldmodel.leafs, leaf) - 1;
ent.leafnums[ent.num_leafs] = (short)leafnum;
ent.num_leafs++;
return;
}
// NODE_MIXED
mnode_t n = (mnode_t)node;
mplane_t splitplane = n.plane;
int sides = Mathlib.BoxOnPlaneSide(ref ent.v.absmin, ref ent.v.absmax, splitplane);
// recurse down the contacted sides
if ((sides & 1) != 0)
{
SV_FindTouchedLeafs(ent, n.children[0]);
}
if ((sides & 2) != 0)
{
SV_FindTouchedLeafs(ent, n.children[1]);
}
}
public static void R_MarkLights(dlight_t light, int bit, mnodebase_t node)
{
if (node.contents < 0)
{
return;
}
mnode_t n = (mnode_t)node;
mplane_t splitplane = n.plane;
float dist = Vector3.Dot(light.origin, splitplane.normal) - splitplane.dist;
if (dist > light.radius)
{
R_MarkLights(light, bit, n.children[0]);
return;
}
if (dist < -light.radius)
{
R_MarkLights(light, bit, n.children[1]);
return;
}
// mark the polygons
for (int i = 0; i < n.numsurfaces; i++)
{
msurface_t surf = cl.worldmodel.surfaces[n.firstsurface + i];
if (surf.dlightframe != r_dlightframecount)
{
surf.dlightbits = 0;
surf.dlightframe = r_dlightframecount;
}
surf.dlightbits |= bit;
}
R_MarkLights(light, bit, n.children[0]);
R_MarkLights(light, bit, n.children[1]);
}
public static void SV_AddToFatPVS(ref Vector3 org, mnodebase_t node)
{
while (true)
{
// if this is a leaf, accumulate the pvs bits
if (node.contents < 0)
{
if (node.contents != q_shared.CONTENTS_SOLID)
{
byte[] pvs = Mod_LeafPVS((mleaf_t)node, sv.worldmodel);
for (int i = 0; i < fatbytes; i++)
{
fatpvs[i] |= pvs[i];
}
}
return;
}
mnode_t n = (mnode_t)node;
mplane_t plane = n.plane;
float d = Vector3.Dot(org, plane.normal) - plane.dist;
if (d > 8)
{
node = n.children[0];
}
else if (d < -8)
{
node = n.children[1];
}
else
{ // go down both
SV_AddToFatPVS(ref org, n.children[0]);
node = n.children[1];
}
}
}
protected float[] lightspot = { 0, 0, 0 }; // vec3_t
private int RecursiveLightPoint(mnode_t node, float[] start, float[] end)
{
if (node.contents != -1)
{
return(-1); // didn't hit anything
}
msurface_t surf;
int s, t, ds, dt;
int i;
mtexinfo_t tex;
int maps;
float[] mid = { 0, 0, 0 };
// calculate mid point
// FIXME: optimize for axial
var plane = node.plane;
var front = Math3D.DotProduct(start, plane.normal) - plane.dist;
var back = Math3D.DotProduct(end, plane.normal) - plane.dist;
var side = front < 0;
var sideIndex = side ? 1 : 0;
if (back < 0 == side)
{
return(this.RecursiveLightPoint(node.children[sideIndex], start, end));
}
var frac = front / (front - back);
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;
// go down front side
var r = this.RecursiveLightPoint(node.children[sideIndex], start, mid);
if (r >= 0)
{
return(r); // hit something
}
if (back < 0 == side)
{
return(-1); // didn't hit anuthing
}
// check for impact on this node
Math3D.VectorCopy(mid, this.lightspot);
this.lightplane = plane;
var surfIndex = node.firstsurface;
float[] scale = { 0, 0, 0 };
for (i = 0; i < node.numsurfaces; i++, surfIndex++)
{
surf = this.r_worldmodel.surfaces[surfIndex];
if ((surf.flags & (Defines.SURF_DRAWTURB | Defines.SURF_DRAWSKY)) != 0)
{
continue; // no lightmaps
}
tex = surf.texinfo;
s = (int)(Math3D.DotProduct(mid, tex.vecs[0]) + tex.vecs[0][3]);
t = (int)(Math3D.DotProduct(mid, tex.vecs[1]) + tex.vecs[1][3]);
if (s < surf.texturemins[0] || t < surf.texturemins[1])
{
continue;
}
ds = s - surf.texturemins[0];
dt = t - surf.texturemins[1];
if (ds > surf.extents[0] || dt > surf.extents[1])
{
continue;
}
if (surf.samples == null)
{
return(0);
}
ds >>= 4;
dt >>= 4;
var lightmapIndex = 0;
Math3D.VectorCopy(Globals.vec3_origin, this.pointcolor);
if (surf.samples != null)
{
//float[] scale = {0, 0, 0};
float[] rgb;
lightmapIndex += 3 * (dt * ((surf.extents[0] >> 4) + 1) + ds);
for (maps = 0; maps < Defines.MAXLIGHTMAPS && surf.styles[maps] != (byte)255; maps++)
{
rgb = this.r_newrefdef.lightstyles[surf.styles[maps] & 0xFF].rgb;
scale[0] = this.gl_modulate.value * rgb[0];
scale[1] = this.gl_modulate.value * rgb[1];
scale[2] = this.gl_modulate.value * rgb[2];
this.pointcolor[0] += surf.samples[surf.samplesOffset + lightmapIndex + 0] * scale[0] * (1.0f / 255);
this.pointcolor[1] += surf.samples[surf.samplesOffset + lightmapIndex + 1] * scale[1] * (1.0f / 255);
this.pointcolor[2] += surf.samples[surf.samplesOffset + lightmapIndex + 2] * scale[2] * (1.0f / 255);
lightmapIndex += 3 * ((surf.extents[0] >> 4) + 1) * ((surf.extents[1] >> 4) + 1);
}
}
return(1);
}
// go down back side
return(this.RecursiveLightPoint(node.children[1 - sideIndex], mid, end));
}
public static int RecursiveLightPoint(mnodebase_t node, ref Vector3 start, ref Vector3 end)
{
if (node.contents < 0)
{
return(-1); // didn't hit anything
}
mnode_t n = (mnode_t)node;
// calculate mid point
// FIXME: optimize for axial
mplane_t plane = n.plane;
float front = Vector3.Dot(start, plane.normal) - plane.dist;
float back = Vector3.Dot(end, plane.normal) - plane.dist;
int side = front < 0 ? 1 : 0;
if ((back < 0 ? 1 : 0) == side)
{
return(RecursiveLightPoint(n.children[side], ref start, ref end));
}
float frac = front / (front - back);
Vector3 mid = start + (end - start) * frac;
// go down front side
int r = RecursiveLightPoint(n.children[side], ref start, ref mid);
if (r >= 0)
{
return(r); // hit something
}
if ((back < 0 ? 1 : 0) == side)
{
return(-1); // didn't hit anuthing
}
// check for impact on this node
lightspot = mid;
lightplane = plane;
msurface_t[] surf = cl.worldmodel.surfaces;
int offset = n.firstsurface;
for (int i = 0; i < n.numsurfaces; i++, offset++)
{
if ((surf[offset].flags & q_shared.SURF_DRAWTILED) != 0)
{
continue; // no lightmaps
}
mtexinfo_t tex = surf[offset].texinfo;
int s = (int)(Vector3.Dot(mid, tex.vecs[0].Xyz) + tex.vecs[0].W);
int t = (int)(Vector3.Dot(mid, tex.vecs[1].Xyz) + tex.vecs[1].W);
if (s < surf[offset].texturemins[0] || t < surf[offset].texturemins[1])
{
continue;
}
int ds = s - surf[offset].texturemins[0];
int dt = t - surf[offset].texturemins[1];
if (ds > surf[offset].extents[0] || dt > surf[offset].extents[1])
{
continue;
}
if (surf[offset].sample_base == null)
{
return(0);
}
ds >>= 4;
dt >>= 4;
byte[] lightmap = surf[offset].sample_base;
int lmOffset = surf[offset].sampleofs;
short[] extents = surf[offset].extents;
r = 0;
if (lightmap != null)
{
lmOffset += dt * ((extents[0] >> 4) + 1) + ds;
for (int maps = 0; maps < q_shared.MAXLIGHTMAPS && surf[offset].styles[maps] != 255; maps++)
{
int scale = d_lightstylevalue[surf[offset].styles[maps]];
r += lightmap[lmOffset] * scale;
lmOffset += ((extents[0] >> 4) + 1) * ((extents[1] >> 4) + 1);
}
r >>= 8;
}
return(r);
}
// go down back side
return(RecursiveLightPoint(n.children[side == 0 ? 1 : 0], ref mid, ref end));
}
public static void R_RecursiveWorldNode(mnodebase_t node)
{
if (node.contents == q_shared.CONTENTS_SOLID)
{
return; // solid
}
if (node.visframe != r_visframecount)
{
return;
}
if (R_CullBox(ref node.mins, ref node.maxs))
{
return;
}
int c;
// if a leaf node, draw stuff
if (node.contents < 0)
{
mleaf_t pleaf = (mleaf_t)node;
msurface_t[] marks = pleaf.marksurfaces;
int mark = pleaf.firstmarksurface;
c = pleaf.nummarksurfaces;
if (c != 0)
{
do
{
marks[mark].visframe = r_framecount;
mark++;
} while (--c != 0);
}
// deal with model fragments in this leaf
if (pleaf.efrags != null)
{
R_StoreEfrags(pleaf.efrags);
}
return;
}
// node is just a decision point, so go down the apropriate sides
mnode_t n = (mnode_t)node;
// find which side of the node we are on
mplane_t plane = n.plane;
double dot;
switch (plane.type)
{
case q_shared.PLANE_X:
dot = modelorg.X - plane.dist;
break;
case q_shared.PLANE_Y:
dot = modelorg.Y - plane.dist;
break;
case q_shared.PLANE_Z:
dot = modelorg.Z - plane.dist;
break;
default:
dot = Vector3.Dot(modelorg, plane.normal) - plane.dist;
break;
}
int side = (dot >= 0 ? 0 : 1);
// recurse down the children, front side first
R_RecursiveWorldNode(n.children[side]);
// draw stuff
c = n.numsurfaces;
if (c != 0)
{
msurface_t[] surf = cl.worldmodel.surfaces;
int offset = n.firstsurface;
if (dot < 0 - q_shared.BACKFACE_EPSILON)
{
side = q_shared.SURF_PLANEBACK;
}
else if (dot > q_shared.BACKFACE_EPSILON)
{
side = 0;
}
for (; c != 0; c--, offset++)
{
if (surf[offset].visframe != r_framecount)
{
continue;
}
// don't backface underwater surfaces, because they warp
if ((surf[offset].flags & q_shared.SURF_UNDERWATER) == 0 && ((dot < 0) ^ ((surf[offset].flags & q_shared.SURF_PLANEBACK) != 0)))
{
continue; // wrong side
}
// if sorting by texture, just store it out
if (gl_texsort.value != 0)
{
if (!mirror || surf[offset].texinfo.texture != cl.worldmodel.textures[mirrortexturenum])
{
surf[offset].texturechain = surf[offset].texinfo.texture.texturechain;
surf[offset].texinfo.texture.texturechain = surf[offset];
}
}
else if ((surf[offset].flags & q_shared.SURF_DRAWSKY) != 0)
{
surf[offset].texturechain = skychain;
skychain = surf[offset];
}
else if ((surf[offset].flags & q_shared.SURF_DRAWTURB) != 0)
{
surf[offset].texturechain = waterchain;
waterchain = surf[offset];
}
else
{
R_DrawSequentialPoly(surf[offset]);
}
}
}
// recurse down the back side
R_RecursiveWorldNode(n.children[side == 0 ? 1 : 0]);
}
/*
=================
Mod_SetParent
=================
*/
static void Mod_SetParent(node_or_leaf_t node, mnode_t parent)
{
node.parent = parent;
if (node.contents < 0)
return;
mnode_t _node = (mnode_t)node;
Mod_SetParent((node_or_leaf_t)_node.children[0], _node);
Mod_SetParent((node_or_leaf_t)_node.children[1], _node);
}
/*
=================
Mod_LoadNodes
=================
*/
static void Mod_LoadNodes(bspfile.lump_t l)
{
int i, j, count, p;
bspfile.dnode_t[] @in;
mnode_t[] @out;
if ((l.filelen % bspfile.sizeof_dnode_t) != 0)
sys_linux.Sys_Error ("MOD_LoadBmodel: funny lump size in " + loadmodel.name);
count = l.filelen / bspfile.sizeof_dnode_t;
bspfile.ByteBuffer buf = new bspfile.ByteBuffer(mod_base, l.fileofs);
@in = new bspfile.dnode_t[count];
@out = new mnode_t[count];
for (int kk = 0; kk < count; kk++)
{
@in[kk] = (bspfile.dnode_t)buf;
buf.ofs += bspfile.sizeof_dnode_t;
@out[kk] = new mnode_t();
}
loadmodel.nodes = @out;
loadmodel.numnodes = count;
for ( i=0 ; i<count ; i++)
{
for (j=0 ; j<3 ; j++)
{
@out[i].minmaxs[j] = @in[i].mins[j];
@out[i].minmaxs[3+j] = @in[i].maxs[j];
}
p = @in[i].planenum;
@out[i].plane = loadmodel.planes[p];
@out[i].firstsurface = @in[i].firstface;
@out[i].numsurfaces = @in[i].numfaces;
for (j=0 ; j<2 ; j++)
{
p = @in[i].children[j];
if (p >= 0)
@out[i].children[j] = loadmodel.nodes[p];
else
@out[i].children[j] = loadmodel.leafs[-1 - p];
}
}
Mod_SetParent (loadmodel.nodes[0], null); // sets nodes and leafs
}
public virtual Int32 RecursiveLightPoint(mnode_t node, Single[] start, Single[] end)
{
if (node.contents != -1)
{
return(-1);
}
cplane_t plane = node.plane;
var front = Math3D.DotProduct(start, plane.normal) - plane.dist;
var back = Math3D.DotProduct(end, plane.normal) - plane.dist;
var side = (front < 0);
var sideIndex = (side) ? 1 : 0;
if ((back < 0) == side)
{
return(RecursiveLightPoint(node.children[sideIndex], start, end));
}
var frac = front / (front - back);
Single[] mid = Vec3Cache.Get();
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;
var r = RecursiveLightPoint(node.children[sideIndex], start, mid);
if (r >= 0)
{
Vec3Cache.Release();
return(r);
}
if ((back < 0) == side)
{
Vec3Cache.Release();
return(-1);
}
Math3D.VectorCopy(mid, lightspot);
lightplane = plane;
var surfIndex = node.firstsurface;
msurface_t surf;
Int32 s, t, ds, dt;
mtexinfo_t tex;
ByteBuffer lightmap;
Int32 maps;
for (var i = 0; i < node.numsurfaces; i++, surfIndex++)
{
surf = r_worldmodel.surfaces[surfIndex];
if ((surf.flags & (Defines.SURF_DRAWTURB | Defines.SURF_DRAWSKY)) != 0)
{
continue;
}
tex = surf.texinfo;
s = ( Int32 )(Math3D.DotProduct(mid, tex.vecs[0]) + tex.vecs[0][3]);
t = ( Int32 )(Math3D.DotProduct(mid, tex.vecs[1]) + tex.vecs[1][3]);
if (s < surf.texturemins[0] || t < surf.texturemins[1])
{
continue;
}
ds = s - surf.texturemins[0];
dt = t - surf.texturemins[1];
if (ds > surf.extents[0] || dt > surf.extents[1])
{
continue;
}
if (surf.samples == null)
{
return(0);
}
ds >>= 4;
dt >>= 4;
lightmap = surf.samples;
var lightmapIndex = 0;
Math3D.VectorCopy(Globals.vec3_origin, pointcolor);
if (lightmap != null)
{
Single[] rgb;
lightmapIndex += 3 * (dt * ((surf.extents[0] >> 4) + 1) + ds);
Single scale0, scale1, scale2;
for (maps = 0; maps < Defines.MAXLIGHTMAPS && surf.styles[maps] != ( Byte )255; maps++)
{
rgb = r_newrefdef.lightstyles[surf.styles[maps] & 0xFF].rgb;
scale0 = gl_modulate.value * rgb[0];
scale1 = gl_modulate.value * rgb[1];
scale2 = gl_modulate.value * rgb[2];
pointcolor[0] += (lightmap.Get(lightmapIndex + 0) & 0xFF) * scale0 * (1F / 255);
pointcolor[1] += (lightmap.Get(lightmapIndex + 1) & 0xFF) * scale1 * (1F / 255);
pointcolor[2] += (lightmap.Get(lightmapIndex + 2) & 0xFF) * scale2 * (1F / 255);
lightmapIndex += 3 * ((surf.extents[0] >> 4) + 1) * ((surf.extents[1] >> 4) + 1);
}
}
Vec3Cache.Release();
return(1);
}
r = RecursiveLightPoint(node.children[1 - sideIndex], mid, end);
Vec3Cache.Release();
return(r);
}
public virtual void R_RecursiveWorldNode(mnode_t node)
{
if (node.contents == Defines.CONTENTS_SOLID)
{
return;
}
if (node.visframe != r_visframecount)
{
return;
}
if (R_CullBox(node.mins, node.maxs))
{
return;
}
Int32 c;
msurface_t mark;
if (node.contents != -1)
{
mleaf_t pleaf = ( mleaf_t )node;
if (r_newrefdef.areabits != null)
{
if (((r_newrefdef.areabits[pleaf.area >> 3] & 0xFF) & (1 << (pleaf.area & 7))) == 0)
{
return;
}
}
var markp = 0;
mark = pleaf.GetMarkSurface(markp);
c = pleaf.nummarksurfaces;
if (c != 0)
{
do
{
mark.visframe = r_framecount;
mark = pleaf.GetMarkSurface(++markp);
}while (--c != 0);
}
return;
}
cplane_t plane = node.plane;
Single dot;
switch (plane.type)
{
case Defines.PLANE_X:
dot = modelorg[0] - plane.dist;
break;
case Defines.PLANE_Y:
dot = modelorg[1] - plane.dist;
break;
case Defines.PLANE_Z:
dot = modelorg[2] - plane.dist;
break;
default:
dot = Math3D.DotProduct(modelorg, plane.normal) - plane.dist;
break;
}
Int32 side, sidebit;
if (dot >= 0F)
{
side = 0;
sidebit = 0;
}
else
{
side = 1;
sidebit = Defines.SURF_PLANEBACK;
}
R_RecursiveWorldNode(node.children[side]);
msurface_t surf;
image_t image;
for (c = 0; c < node.numsurfaces; c++)
{
surf = r_worldmodel.surfaces[node.firstsurface + c];
if (surf.visframe != r_framecount)
{
continue;
}
if ((surf.flags & Defines.SURF_PLANEBACK) != sidebit)
{
continue;
}
if ((surf.texinfo.flags & Defines.SURF_SKY) != 0)
{
R_AddSkySurface(surf);
}
else if ((surf.texinfo.flags & (Defines.SURF_TRANS33 | Defines.SURF_TRANS66)) != 0)
{
surf.texturechain = r_alpha_surfaces;
r_alpha_surfaces = surf;
}
else
{
if ((surf.flags & Defines.SURF_DRAWTURB) == 0)
{
GL_RenderLightmappedPoly(surf);
}
else
{
image = R_TextureAnimation(surf.texinfo);
surf.texturechain = image.texturechain;
image.texturechain = surf;
}
}
}
R_RecursiveWorldNode(node.children[1 - side]);
}
public abstract void R_MarkLights(dlight_t light, Int32 bit, mnode_t node);
public static void R_SplitEntityOnNode(mnodebase_t node)
{
if (node.contents == q_shared.CONTENTS_SOLID)
{
return;
}
// add an efrag if the node is a leaf
if (node.contents < 0)
{
if (r_pefragtopnode == null)
{
r_pefragtopnode = node as mnode_t;
}
mleaf_t leaf = (mleaf_t)(object)node;
// grab an efrag off the free list
efrag_t ef = cl.free_efrags;
if (ef == null)
{
Con_Printf("Too many efrags!\n");
return; // no free fragments...
}
cl.free_efrags = cl.free_efrags.entnext;
ef.entity = r_addent;
// add the entity link
// *lastlink = ef;
if (_LastObj is entity_t)
{
((entity_t)_LastObj).efrag = ef;
}
else
{
((efrag_t)_LastObj).entnext = ef;
}
_LastObj = ef; // lastlink = &ef->entnext;
ef.entnext = null;
// set the leaf links
ef.leaf = leaf;
ef.leafnext = leaf.efrags;
leaf.efrags = ef;
return;
}
// NODE_MIXED
mnode_t n = node as mnode_t;
if (n == null)
{
return;
}
mplane_t splitplane = n.plane;
int sides = Mathlib.BoxOnPlaneSide(ref r_emins, ref r_emaxs, splitplane);
if (sides == 3)
{
// split on this plane
// if this is the first splitter of this bmodel, remember it
if (r_pefragtopnode == null)
{
r_pefragtopnode = n;
}
}
// recurse down the contacted sides
if ((sides & 1) != 0)
{
R_SplitEntityOnNode(n.children[0]);
}
if ((sides & 2) != 0)
{
R_SplitEntityOnNode(n.children[1]);
}
}
