public static void R_SetupFrame()
{
// don't allow cheats in multiplayer
if (cl.maxclients > 1)
{
Cvar.Cvar_Set("r_fullbright", "0");
}
R_AnimateLight();
r_framecount++;
// build the transformation matrix for the given view angles
r_origin = r_refdef.vieworg;
Mathlib.AngleVectors(ref r_refdef.viewangles, out vpn, out vright, out vup);
// current viewleaf
r_oldviewleaf = r_viewleaf;
r_viewleaf = Mod_PointInLeaf(ref r_origin, cl.worldmodel);
game_engine.V_SetContentsColor(r_viewleaf.contents);
game_engine.V_CalcBlend();
r_cache_thrash = false;
c_brush_polys = 0;
c_alias_polys = 0;
}
public static void Chase_Update()
{
// if can't see player, reset
Vector3 forward, up, right;
Mathlib.AngleVectors(ref cl.viewangles, out forward, out right, out up);
// calc exact destination
chase_dest = r_refdef.vieworg - forward * chase_back.value - right * chase_right.value;
chase_dest.Z = r_refdef.vieworg.Z + chase_up.value;
// find the spot the player is looking at
Vector3 dest = r_refdef.vieworg + forward * 4096;
Vector3 stop;
TraceLine(ref r_refdef.vieworg, ref dest, out stop);
// calculate pitch to look at the same spot from camera
stop -= r_refdef.vieworg;
float dist;
Vector3.Dot(ref stop, ref forward, out dist);
if (dist < 1)
{
dist = 1;
}
r_refdef.viewangles.X = (float)(-Math.Atan(stop.Z / dist) / Math.PI * 180.0);
//r_refdef.viewangles[PITCH] = -atan(stop[2] / dist) / M_PI * 180;
// move towards destination
r_refdef.vieworg = chase_dest; //VectorCopy(chase_dest, r_refdef.vieworg);
}
static unsafe void PF_makevectors()
{
float * av = G_VECTOR(q_shared.OFS_PARM0);
Vector3 a = new Vector3(av[0], av[1], av[2]);
Vector3 fw, right, up;
Mathlib.AngleVectors(ref a, out fw, out right, out up);
Mathlib.Copy(ref fw, out pr_global_struct.v_forward);
Mathlib.Copy(ref right, out pr_global_struct.v_right);
Mathlib.Copy(ref up, out pr_global_struct.v_up);
}
public static void R_DrawSpriteModel(entity_t e)
{
// don't even bother culling, because it's just a single
// polygon without a surface cache
mspriteframe_t frame = R_GetSpriteFrame(e);
msprite_t psprite = (msprite_t)e.model.cache.data;
Vector3 v_forward, right, up;
if (psprite.type == q_shared.SPR_ORIENTED)
{
// bullet marks on walls
Mathlib.AngleVectors(ref e.angles, out v_forward, out right, out up); // Uze: changed from _CurrentEntity to e
}
else
{ // normal sprite
up = vup; // vup;
right = vright; // vright;
}
GL.Color3(1f, 1, 1);
GL_DisableMultitexture();
GL_Bind(frame.gl_texturenum);
GL.Enable(EnableCap.AlphaTest);
GL.Begin(BeginMode.Quads);
GL.TexCoord2(0f, 1);
Vector3 point = e.origin + up * frame.down + right * frame.left;
GL.Vertex3(point);
GL.TexCoord2(0f, 0);
point = e.origin + up * frame.up + right * frame.left;
GL.Vertex3(point);
GL.TexCoord2(1f, 0);
point = e.origin + up * frame.up + right * frame.right;
GL.Vertex3(point);
GL.TexCoord2(1f, 1);
point = e.origin + up * frame.down + right * frame.right;
GL.Vertex3(point);
GL.End();
GL.Disable(EnableCap.AlphaTest);
}
public static void SV_AirMove()
{
Vector3 pangles = ToVector(ref sv_player.v.angles);
Mathlib.AngleVectors(ref pangles, out forward, out right, out up);
float fmove = cmd.forwardmove;
float smove = cmd.sidemove;
// hack to not let you back into teleporter
if (sv.time < sv_player.v.teleport_time && fmove < 0)
{
fmove = 0;
}
Vector3 wishvel = forward * fmove + right * smove;
if ((int)sv_player.v.movetype != q_shared.MOVETYPE_WALK)
{
wishvel.Z = cmd.upmove;
}
else
{
wishvel.Z = 0;
}
wishdir = wishvel;
wishspeed = Mathlib.Normalize(ref wishdir);
if (wishspeed > sv_maxspeed.value)
{
wishvel *= sv_maxspeed.value / wishspeed;
wishspeed = sv_maxspeed.value;
}
if (sv_player.v.movetype == q_shared.MOVETYPE_NOCLIP)
{
// noclip
Mathlib.Copy(ref wishvel, out sv_player.v.velocity);
}
else if (onground)
{
SV_UserFriction();
SV_Accelerate();
}
else
{ // not on ground, so little effect on velocity
SV_AirAccelerate(wishvel);
}
}
public static float V_CalcRoll(ref Vector3 angles, ref Vector3 velocity)
{
Mathlib.AngleVectors(ref angles, out forward, out right, out up);
float side = Vector3.Dot(velocity, right);
float sign = side < 0 ? -1 : 1;
side = Math.Abs(side);
float value = cl_rollangle.value;
if (side < cl_rollspeed.value)
{
side = side * value / cl_rollspeed.value;
}
else
{
side = value;
}
return(side * sign);
}
public static void SV_WallFriction(edict_t ent, trace_t trace)
{
Vector3 forward, right, up, vangle = ToVector(ref ent.v.v_angle);
Mathlib.AngleVectors(ref vangle, out forward, out right, out up);
float d = Vector3.Dot(trace.plane.normal, forward);
d += 0.5f;
if (d >= 0)
{
return;
}
// cut the tangential velocity
Vector3 vel = ToVector(ref ent.v.velocity);
float i = Vector3.Dot(trace.plane.normal, vel);
Vector3 into = trace.plane.normal * i;
Vector3 side = vel - into;
ent.v.velocity.x = side.X * (1 + d);
ent.v.velocity.y = side.Y * (1 + d);
}
public static void V_ParseDamage()
{
int armor = Reader.MSG_ReadByte();
int blood = Reader.MSG_ReadByte();
Vector3 from = Reader.ReadCoords();
float count = blood * 0.5f + armor * 0.5f;
if (count < 10)
{
count = 10;
}
cl.faceanimtime = (float)cl.time + 0.2f; // put sbar face into pain frame
cl.cshifts[q_shared.CSHIFT_DAMAGE].percent += (int)(3 * count);
if (cl.cshifts[q_shared.CSHIFT_DAMAGE].percent < 0)
{
cl.cshifts[q_shared.CSHIFT_DAMAGE].percent = 0;
}
if (cl.cshifts[q_shared.CSHIFT_DAMAGE].percent > 150)
{
cl.cshifts[q_shared.CSHIFT_DAMAGE].percent = 150;
}
if (armor > blood)
{
cl.cshifts[q_shared.CSHIFT_DAMAGE].destcolor[0] = 200;
cl.cshifts[q_shared.CSHIFT_DAMAGE].destcolor[1] = 100;
cl.cshifts[q_shared.CSHIFT_DAMAGE].destcolor[2] = 100;
}
else if (armor != 0)
{
cl.cshifts[q_shared.CSHIFT_DAMAGE].destcolor[0] = 220;
cl.cshifts[q_shared.CSHIFT_DAMAGE].destcolor[1] = 50;
cl.cshifts[q_shared.CSHIFT_DAMAGE].destcolor[2] = 50;
}
else
{
cl.cshifts[q_shared.CSHIFT_DAMAGE].destcolor[0] = 255;
cl.cshifts[q_shared.CSHIFT_DAMAGE].destcolor[1] = 0;
cl.cshifts[q_shared.CSHIFT_DAMAGE].destcolor[2] = 0;
}
//
// calculate view angle kicks
//
entity_t ent = cl_entities[cl.viewentity];
from -= ent.origin; // VectorSubtract (from, ent->origin, from);
Mathlib.Normalize(ref from);
Vector3 forward, right, up;
Mathlib.AngleVectors(ref ent.angles, out forward, out right, out up);
float side = Vector3.Dot(from, right);
v_dmg_roll = count * side * v_kickroll.value;
side = Vector3.Dot(from, forward);
v_dmg_pitch = count * side * v_kickpitch.value;
v_dmg_time = v_kicktime.value;
}
static void V_CalcRefdef()
{
V_DriftPitch();
// ent is the player model (visible when out of body)
entity_t ent = cl_entities[cl.viewentity];
// view is the weapon model (only visible from inside body)
entity_t view = cl.viewent;
// transform the view offset by the model's matrix to get the offset from
// model origin for the view
ent.angles.Y = cl.viewangles.Y; // the model should face the view dir
ent.angles.X = -cl.viewangles.X; // the model should face the view dir
float bob = V_CalcBob();
refdef_t rdef = r_refdef;
// refresh position
rdef.vieworg = ent.origin;
rdef.vieworg.Z += cl.viewheight + bob;
// never let it sit exactly on a node line, because a water plane can
// dissapear when viewed with the eye exactly on it.
// the server protocol only specifies to 1/16 pixel, so add 1/32 in each axis
rdef.vieworg += q_shared.SmallOffset;
rdef.viewangles = cl.viewangles;
V_CalcViewRoll();
V_AddIdle(v_idlescale.value);
// offsets
Vector3 angles = ent.angles;
angles.X = -angles.X; // because entity pitches are actually backward
Vector3 forward, right, up;
Mathlib.AngleVectors(ref angles, out forward, out right, out up);
rdef.vieworg += forward * scr_ofsx.value + right * scr_ofsy.value + up * scr_ofsz.value;
V_BoundOffsets();
// set up gun position
view.angles = cl.viewangles;
CalcGunAngle();
view.origin = ent.origin;
view.origin.Z += cl.viewheight;
view.origin += forward * bob * 0.4f;
view.origin.Z += bob;
// fudge position around to keep amount of weapon visible
// roughly equal with different FOV
float viewSize = scr_viewsize.value; // scr_viewsize
if (viewSize == 110)
{
view.origin.Z += 1;
}
else if (viewSize == 100)
{
view.origin.Z += 2;
}
else if (viewSize == 90)
{
view.origin.Z += 1;
}
else if (viewSize == 80)
{
view.origin.Z += 0.5f;
}
view.model = cl.model_precache[cl.stats[q_shared.STAT_WEAPON]];
view.frame = cl.stats[q_shared.STAT_WEAPONFRAME];
view.colormap = vid.colormap;
// set up the refresh position
rdef.viewangles += cl.punchangle;
// smooth out stair step ups
if (cl.onground && ent.origin.Z - _OldZ > 0)
{
float steptime = (float)(cl.time - cl.oldtime);
if (steptime < 0)
{
steptime = 0;
}
_OldZ += steptime * 80;
if (_OldZ > ent.origin.Z)
{
_OldZ = ent.origin.Z;
}
if (ent.origin.Z - _OldZ > 12)
{
_OldZ = ent.origin.Z - 12;
}
rdef.vieworg.Z += _OldZ - ent.origin.Z;
view.origin.Z += _OldZ - ent.origin.Z;
}
else
{
_OldZ = ent.origin.Z;
}
if (chase_active.value != 0)
{
Chase_Update();
}
}
public static void R_DrawBrushModel(entity_t e)
{
currententity = e;
currenttexture = -1;
model_t clmodel = e.model;
bool rotated = false;
Vector3 mins, maxs;
if (e.angles.X != 0 || e.angles.Y != 0 || e.angles.Z != 0)
{
rotated = true;
mins = e.origin;
mins.X -= clmodel.radius;
mins.Y -= clmodel.radius;
mins.Z -= clmodel.radius;
maxs = e.origin;
maxs.X += clmodel.radius;
maxs.Y += clmodel.radius;
maxs.Z += clmodel.radius;
}
else
{
mins = e.origin + clmodel.mins;
maxs = e.origin + clmodel.maxs;
}
if (R_CullBox(ref mins, ref maxs))
{
return;
}
GL.Color3(1f, 1, 1);
Array.Clear(lightmap_polys, 0, lightmap_polys.Length);
modelorg = r_refdef.vieworg - e.origin;
if (rotated)
{
Vector3 temp = modelorg;
Vector3 forward, right, up;
Mathlib.AngleVectors(ref e.angles, out forward, out right, out up);
modelorg.X = Vector3.Dot(temp, forward);
modelorg.Y = -Vector3.Dot(temp, right);
modelorg.Z = Vector3.Dot(temp, up);
}
// calculate dynamic lighting for bmodel if it's not an
// instanced model
if (clmodel.firstmodelsurface != 0 && gl_flashblend.value == 0)
{
for (int k = 0; k < q_shared.MAX_DLIGHTS; k++)
{
if ((cl_dlights[k].die < cl.time) || (cl_dlights[k].radius == 0))
{
continue;
}
R_MarkLights(cl_dlights[k], 1 << k, clmodel.nodes[clmodel.hulls[0].firstclipnode]);
}
}
GL.PushMatrix();
e.angles.X = -e.angles.X; // stupid quake bug
R_RotateForEntity(e);
e.angles.X = -e.angles.X; // stupid quake bug
int surfOffset = clmodel.firstmodelsurface;
msurface_t[] psurf = clmodel.surfaces; //[clmodel.firstmodelsurface];
//
// draw texture
//
for (int i = 0; i < clmodel.nummodelsurfaces; i++, surfOffset++)
{
// find which side of the node we are on
mplane_t pplane = psurf[surfOffset].plane;
float dot = Vector3.Dot(modelorg, pplane.normal) - pplane.dist;
// draw the polygon
bool planeBack = (psurf[surfOffset].flags & q_shared.SURF_PLANEBACK) != 0;
if ((planeBack && (dot < -q_shared.BACKFACE_EPSILON)) || (!planeBack && (dot > q_shared.BACKFACE_EPSILON)))
{
if (gl_texsort.value != 0)
{
R_RenderBrushPoly(psurf[surfOffset]);
}
else
{
R_DrawSequentialPoly(psurf[surfOffset]);
}
}
}
R_BlendLightmaps();
GL.PopMatrix();
}
public static void SV_WaterMove()
{
//
// user intentions
//
Vector3 pangle = ToVector(ref sv_player.v.v_angle);
Mathlib.AngleVectors(ref pangle, out forward, out right, out up);
Vector3 wishvel = forward * cmd.forwardmove + right * cmd.sidemove;
if (cmd.forwardmove == 0 && cmd.sidemove == 0 && cmd.upmove == 0)
{
wishvel.Z -= 60; // drift towards bottom
}
else
{
wishvel.Z += cmd.upmove;
}
float wishspeed = wishvel.Length;
if (wishspeed > sv_maxspeed.value)
{
wishvel *= sv_maxspeed.value / wishspeed;
wishspeed = sv_maxspeed.value;
}
wishspeed *= 0.7f;
//
// water friction
//
float newspeed, speed = Mathlib.Length(ref sv_player.v.velocity);
if (speed != 0)
{
newspeed = (float)(speed - host_framtime * speed * sv_friction.value);
if (newspeed < 0)
{
newspeed = 0;
}
Mathlib.VectorScale(ref sv_player.v.velocity, newspeed / speed, out sv_player.v.velocity);
}
else
{
newspeed = 0;
}
//
// water acceleration
//
if (wishspeed == 0)
{
return;
}
float addspeed = wishspeed - newspeed;
if (addspeed <= 0)
{
return;
}
Mathlib.Normalize(ref wishvel);
float accelspeed = (float)(sv_accelerate.value * wishspeed * host_framtime);
if (accelspeed > addspeed)
{
accelspeed = addspeed;
}
wishvel *= accelspeed;
sv_player.v.velocity.x += wishvel.X;
sv_player.v.velocity.y += wishvel.Y;
sv_player.v.velocity.z += wishvel.Z;
}
public static void CL_RelinkEntities()
{
// determine partial update time
float frac = CL_LerpPoint();
cl_numvisedicts = 0;
//
// interpolate player info
//
cl.velocity = cl.mvelocity[1] + frac * (cl.mvelocity[0] - cl.mvelocity[1]);
if (cls.demoplayback)
{
// interpolate the angles
Vector3 angleDelta = cl.mviewangles[0] - cl.mviewangles[1];
Mathlib.CorrectAngles180(ref angleDelta);
cl.viewangles = cl.mviewangles[1] + frac * angleDelta;
}
float bobjrotate = Mathlib.anglemod(100 * cl.time);
// start on the entity after the world
for (int i = 1; i < cl.num_entities; i++)
{
entity_t ent = cl_entities[i];
if (ent.model == null)
{
// empty slot
if (ent.forcelink)
{
R_RemoveEfrags(ent); // just became empty
}
continue;
}
// if the object wasn't included in the last packet, remove it
if (ent.msgtime != cl.mtime[0])
{
ent.model = null;
continue;
}
Vector3 oldorg = ent.origin;
if (ent.forcelink)
{
// the entity was not updated in the last message
// so move to the final spot
ent.origin = ent.msg_origins[0];
ent.angles = ent.msg_angles[0];
}
else
{
// if the delta is large, assume a teleport and don't lerp
float f = frac;
Vector3 delta = ent.msg_origins[0] - ent.msg_origins[1];
if (Math.Abs(delta.X) > 100 || Math.Abs(delta.Y) > 100 || Math.Abs(delta.Z) > 100)
{
f = 1; // assume a teleportation, not a motion
}
// interpolate the origin and angles
ent.origin = ent.msg_origins[1] + f * delta;
Vector3 angleDelta = ent.msg_angles[0] - ent.msg_angles[1];
Mathlib.CorrectAngles180(ref angleDelta);
ent.angles = ent.msg_angles[1] + f * angleDelta;
}
// rotate binary objects locally
if ((ent.model.flags & q_shared.EF_ROTATE) != 0)
{
ent.angles.Y = bobjrotate;
}
if ((ent.effects & q_shared.EF_BRIGHTFIELD) != 0)
{
R_EntityParticles(ent);
}
if ((ent.effects & q_shared.EF_MUZZLEFLASH) != 0)
{
dlight_t dl = CL_AllocDlight(i);
dl.origin = ent.origin;
dl.origin.Z += 16;
Vector3 fv, rv, uv;
Mathlib.AngleVectors(ref ent.angles, out fv, out rv, out uv);
dl.origin += fv * 18;
dl.radius = 200 + (Random() & 31);
dl.minlight = 32;
dl.die = (float)cl.time + 0.1f;
}
if ((ent.effects & q_shared.EF_BRIGHTLIGHT) != 0)
{
dlight_t dl = CL_AllocDlight(i);
dl.origin = ent.origin;
dl.origin.Z += 16;
dl.radius = 400 + (Random() & 31);
dl.die = (float)cl.time + 0.001f;
}
if ((ent.effects & q_shared.EF_DIMLIGHT) != 0)
{
dlight_t dl = CL_AllocDlight(i);
dl.origin = ent.origin;
dl.radius = 200 + (Random() & 31);
dl.die = (float)cl.time + 0.001f;
}
if ((ent.model.flags & q_shared.EF_GIB) != 0)
{
R_RocketTrail(ref oldorg, ref ent.origin, 2);
}
else if ((ent.model.flags & q_shared.EF_ZOMGIB) != 0)
{
R_RocketTrail(ref oldorg, ref ent.origin, 4);
}
else if ((ent.model.flags & q_shared.EF_TRACER) != 0)
{
R_RocketTrail(ref oldorg, ref ent.origin, 3);
}
else if ((ent.model.flags & q_shared.EF_TRACER2) != 0)
{
R_RocketTrail(ref oldorg, ref ent.origin, 5);
}
else if ((ent.model.flags & q_shared.EF_ROCKET) != 0)
{
R_RocketTrail(ref oldorg, ref ent.origin, 0);
dlight_t dl = CL_AllocDlight(i);
dl.origin = ent.origin;
dl.radius = 200;
dl.die = (float)cl.time + 0.01f;
}
else if ((ent.model.flags & q_shared.EF_GRENADE) != 0)
{
R_RocketTrail(ref oldorg, ref ent.origin, 1);
}
else if ((ent.model.flags & q_shared.EF_TRACER3) != 0)
{
R_RocketTrail(ref oldorg, ref ent.origin, 6);
}
ent.forcelink = false;
if (i == cl.viewentity && chase_active.value == 0)
{
continue;
}
if (cl_numvisedicts < q_shared.MAX_VISEDICTS)
{
cl_visedicts[cl_numvisedicts] = ent;
cl_numvisedicts++;
}
}
}