static byte[] _FatPvs = new byte[BspFile.MAX_MAP_LEAFS / 8]; // fatpvs
// SV_Init
public static void Init()
{
for (int i = 0; i < _BoxClipNodes.Length; i++)
{
_BoxClipNodes[i].children = new short[2];
}
for (int i = 0; i < _BoxPlanes.Length; i++)
{
_BoxPlanes[i] = new mplane_t();
}
for (int i = 0; i < _AreaNodes.Length; i++)
{
_AreaNodes[i] = new areanode_t();
}
if (_Friction == null)
{
_Friction = new Cvar("sv_friction", "4", false, true);
_EdgeFriction = new Cvar("edgefriction", "2");
_StopSpeed = new Cvar("sv_stopspeed", "100");
_Gravity = new Cvar("sv_gravity", "800", false, true);
_MaxVelocity = new Cvar("sv_maxvelocity", "2000");
_NoStep = new Cvar("sv_nostep", "0");
_MaxSpeed = new Cvar("sv_maxspeed", "320", false, true);
_Accelerate = new Cvar("sv_accelerate", "10");
_Aim = new Cvar("sv_aim", "0.93");
_IdealPitchScale = new Cvar("sv_idealpitchscale", "0.8");
}
for (int i = 0; i < QDef.MAX_MODELS; i++)
{
_LocalModels[i] = "*" + i.ToString();
}
}
/// <summary>
/// SV_TouchLinks
/// </summary>
static void TouchLinks(edict_t ent, areanode_t node)
{
// touch linked edicts
link_t next;
for (link_t l = node.trigger_edicts.Next; l != node.trigger_edicts; l = next)
{
next = l.Next;
edict_t touch = (edict_t)l.Owner;// EDICT_FROM_AREA(l);
if (touch == ent)
{
continue;
}
if (touch.v.touch == 0 || touch.v.solid != Solids.SOLID_TRIGGER)
{
continue;
}
if (ent.v.absmin.x > touch.v.absmax.x || ent.v.absmin.y > touch.v.absmax.y ||
ent.v.absmin.z > touch.v.absmax.z || ent.v.absmax.x < touch.v.absmin.x ||
ent.v.absmax.y < touch.v.absmin.y || ent.v.absmax.z < touch.v.absmin.z)
{
continue;
}
int old_self = Progs.GlobalStruct.self;
int old_other = Progs.GlobalStruct.other;
Progs.GlobalStruct.self = EdictToProg(touch);
Progs.GlobalStruct.other = EdictToProg(ent);
Progs.GlobalStruct.time = (float)sv.time;
Progs.Execute(touch.v.touch);
Progs.GlobalStruct.self = old_self;
Progs.GlobalStruct.other = old_other;
}
// recurse down both sides
if (node.axis == -1)
{
return;
}
if (Mathlib.Comp(ref ent.v.absmax, node.axis) > node.dist)
{
TouchLinks(ent, node.children[0]);
}
if (Mathlib.Comp(ref ent.v.absmin, node.axis) < node.dist)
{
TouchLinks(ent, node.children[1]);
}
}
/// <summary>
/// SV_CreateAreaNode
/// </summary>
static areanode_t CreateAreaNode(int depth, ref Vector3 mins, ref Vector3 maxs)
{
areanode_t anode = _AreaNodes[_NumAreaNodes];
_NumAreaNodes++;
anode.trigger_edicts.Clear();
anode.solid_edicts.Clear();
if (depth == AREA_DEPTH)
{
anode.axis = -1;
anode.children[0] = anode.children[1] = null;
return(anode);
}
Vector3 size = maxs - mins;
Vector3 mins1 = mins;
Vector3 mins2 = mins;
Vector3 maxs1 = maxs;
Vector3 maxs2 = maxs;
if (size.X > size.Y)
{
anode.axis = 0;
anode.dist = 0.5f * (maxs.X + mins.X);
maxs1.X = mins2.X = anode.dist;
}
else
{
anode.axis = 1;
anode.dist = 0.5f * (maxs.Y + mins.Y);
maxs1.Y = mins2.Y = anode.dist;
}
anode.children[0] = CreateAreaNode(depth + 1, ref mins2, ref maxs2);
anode.children[1] = CreateAreaNode(depth + 1, ref mins1, ref maxs1);
return(anode);
}
/// <summary>
/// SV_ClipToLinks
/// Mins and maxs enclose the entire area swept by the move
/// </summary>
static void ClipToLinks(areanode_t node, moveclip_t clip)
{
link_t next;
trace_t trace;
// touch linked edicts
for (link_t l = node.solid_edicts.Next; l != node.solid_edicts; l = next)
{
next = l.Next;
edict_t touch = (edict_t)l.Owner;// EDICT_FROM_AREA(l);
if (touch.v.solid == Solids.SOLID_NOT)
{
continue;
}
if (touch == clip.passedict)
{
continue;
}
if (touch.v.solid == Solids.SOLID_TRIGGER)
{
Sys.Error("Trigger in clipping list");
}
if (clip.type == MOVE_NOMONSTERS && touch.v.solid != Solids.SOLID_BSP)
{
continue;
}
if (clip.boxmins.X > touch.v.absmax.x || clip.boxmins.Y > touch.v.absmax.y ||
clip.boxmins.Z > touch.v.absmax.z || clip.boxmaxs.X < touch.v.absmin.x ||
clip.boxmaxs.Y < touch.v.absmin.y || clip.boxmaxs.Z < touch.v.absmin.z)
{
continue;
}
if (clip.passedict != null && clip.passedict.v.size.x != 0 && touch.v.size.x == 0)
{
continue; // points never interact
}
// might intersect, so do an exact clip
if (clip.trace.allsolid)
{
return;
}
if (clip.passedict != null)
{
if (ProgToEdict(touch.v.owner) == clip.passedict)
{
continue; // don't clip against own missiles
}
if (ProgToEdict(clip.passedict.v.owner) == touch)
{
continue; // don't clip against owner
}
}
if (((int)touch.v.flags & EdictFlags.FL_MONSTER) != 0)
{
trace = ClipMoveToEntity(touch, ref clip.start, ref clip.mins2, ref clip.maxs2, ref clip.end);
}
else
{
trace = ClipMoveToEntity(touch, ref clip.start, ref clip.mins, ref clip.maxs, ref clip.end);
}
if (trace.allsolid || trace.startsolid || trace.fraction < clip.trace.fraction)
{
trace.ent = touch;
if (clip.trace.startsolid)
{
clip.trace = trace;
clip.trace.startsolid = true;
}
else
{
clip.trace = trace;
}
}
else if (trace.startsolid)
{
clip.trace.startsolid = true;
}
}
// recurse down both sides
if (node.axis == -1)
{
return;
}
if (Mathlib.Comp(ref clip.boxmaxs, node.axis) > node.dist)
{
ClipToLinks(node.children[0], clip);
}
if (Mathlib.Comp(ref clip.boxmins, node.axis) < node.dist)
{
ClipToLinks(node.children[1], clip);
}
}
/// <summary>
/// SV_LinkEdict
///
/// Needs to be called any time an entity changes origin, mins, maxs, or solid
/// flags ent->v.modified
/// sets ent->v.absmin and ent->v.absmax
/// if touchtriggers, calls prog functions for the intersected triggers
/// </summary>
public static void LinkEdict(edict_t ent, bool touch_triggers)
{
if (ent.area.Prev != null)
{
UnlinkEdict(ent); // unlink from old position
}
if (ent == sv.edicts[0])
{
return; // don't add the world
}
if (ent.free)
{
return;
}
// set the abs box
Mathlib.VectorAdd(ref ent.v.origin, ref ent.v.mins, out ent.v.absmin);
Mathlib.VectorAdd(ref ent.v.origin, ref ent.v.maxs, out ent.v.absmax);
//
// to make items easier to pick up and allow them to be grabbed off
// of shelves, the abs sizes are expanded
//
if (((int)ent.v.flags & EdictFlags.FL_ITEM) != 0)
{
ent.v.absmin.x -= 15;
ent.v.absmin.y -= 15;
ent.v.absmax.x += 15;
ent.v.absmax.y += 15;
}
else
{ // because movement is clipped an epsilon away from an actual edge,
// we must fully check even when bounding boxes don't quite touch
ent.v.absmin.x -= 1;
ent.v.absmin.y -= 1;
ent.v.absmin.z -= 1;
ent.v.absmax.x += 1;
ent.v.absmax.y += 1;
ent.v.absmax.z += 1;
}
// link to PVS leafs
ent.num_leafs = 0;
if (ent.v.modelindex != 0)
{
FindTouchedLeafs(ent, sv.worldmodel.nodes[0]);
}
if (ent.v.solid == Solids.SOLID_NOT)
{
return;
}
// find the first node that the ent's box crosses
areanode_t node = _AreaNodes[0];
while (true)
{
if (node.axis == -1)
{
break;
}
if (Mathlib.Comp(ref ent.v.absmin, node.axis) > node.dist)
{
node = node.children[0];
}
else if (Mathlib.Comp(ref ent.v.absmax, node.axis) < node.dist)
{
node = node.children[1];
}
else
{
break; // crosses the node
}
}
// link it in
if (ent.v.solid == Solids.SOLID_TRIGGER)
{
ent.area.InsertBefore(node.trigger_edicts);
}
else
{
ent.area.InsertBefore(node.solid_edicts);
}
// if touch_triggers, touch all entities at this node and decend for more
if (touch_triggers)
{
TouchLinks(ent, _AreaNodes[0]);
}
}