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tmesh.cxs
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Import minib3d
''Notes
'' - anim_surf now connnect to surface with surf_id
'' -- pre-bake animations which converts bone animation to vertex animation
'' - separated update() and render()
'' -- render() now in TRender.monkey
Class TMesh Extends TEntity
''mesh bounding box
Field min_x#,min_y#,min_z#,max_x#,max_y#,max_z#
Field no_surfs:Int=0
Field surf_list:List<TSurface>= New List<TSurface>
Field total_tris:Int=0
Field anim_surf:TSurface[] ' contains animated vertex coords set; connected to surf by surf_id
Field anim_surf_frame:Int[] 'vertex animation frame for specific surf_id
Field no_bones=0
Field bones:TBone[]
Field col_tree:TColTree=New TColTree
' reset flags - these are set when mesh shape is changed by various commands in TMesh
Field reset_bounds=True
Field center_x:Float,center_y:Float,center_z:Float
Field bounds_radius:Float '' is this used?
'Field reset_col_tree=True
Field vecbounds:Vector[] = New Vector[6]
Field is_sprite:Bool = False '' used for sprites
Field culled:Bool = False ''is mesh seen by camera
Field distance_nearplane# ''distance from camera frustum near plane (0 if culled)
Field wireframe:Bool
Private
Field vec_temp:Vector = New Vector
Public
Method New()
End
Method CopyEntity:TEntity(parent_ent:TEntity=Null)
' new mesh
Local mesh:TMesh=New TMesh
Self.CopyBaseMeshTo(mesh, parent_ent)
Return mesh
End
Method CopyBaseMeshTo:Void(mesh:TMesh, parent_ent:TEntity=Null)
Self.CopyBaseEntityTo(mesh, parent_ent) ''this will add to render list
mesh.is_sprite = is_sprite
'mesh.is_update = is_update
mesh.wireframe = wireframe
' copy mesh info
mesh.min_x=min_x
mesh.min_y=min_y
mesh.min_z=min_z
mesh.max_x=max_x
mesh.max_y=max_y
mesh.max_z=max_z
mesh.no_surfs=no_surfs
' pointer to surf list
mesh.surf_list=surf_list
' copy anim surf list, except vertex animation
If anim=2
mesh.anim_surf = anim_surf
Else
mesh.anim_surf = Self.CopyAnimSurfs()
Endif
mesh.col_tree=col_tree
mesh.reset_bounds=reset_bounds
mesh.anim_surf_frame = anim_surf_frame[0..] ''copy
mesh.no_bones = no_bones
mesh.bones = Self.CopyBonesList(mesh, New List<TBone>, no_bones).ToArray()
''set bones
ResetBones()
End
'' CopyAnimSurfs()
'' -- full copy will keep new animation copies instead of pointer
Method CopyAnimSurfs:TSurface[]( fullcopy:Int =0 )
Local new_surf:TSurface[] = New TSurface[no_surfs] 'mesh.anim_surf[surf.surf_id]
For Local surf:TSurface=Eachin surf_list
Local id:Int = surf.surf_id
Local anim_surf2:TSurface = GetAnimSurface(surf) ''original anim_surf shortcut
If Not anim_surf2 Then Continue
' copy vertex, full copy
new_surf[id] = anim_surf2.Copy()
new_surf[id].no_verts=anim_surf2.no_verts
new_surf[id].vert_array_size=anim_surf2.vert_array_size
new_surf[id].tri_array_size=anim_surf2.tri_array_size
new_surf[id].vmin=anim_surf2.vmin
new_surf[id].vmax=anim_surf2.vmax
new_surf[id].surf_id = anim_surf2.surf_id
new_surf[id].vbo_dyn=anim_surf2.vbo_dyn
new_surf[id].alpha_enable=anim_surf2.alpha_enable
new_surf[id].reset_vbo=-1 ' (-1 = all)
'' 1=bones, 2=vertanims
If anim=1 And fullcopy=0
'mesh.anim_surf = New TSurface[no_surfs]
'Local new_surf:TSurface=New TSurface
'Local new_surf:TSurface = mesh.anim_surf[surf.surf_id]
'' dont need below, since Copy() method does this
'new_surf.vert_coords = CopyFloatBuffer(anim_surf2.vert_coords, FloatBuffer.Create(anim_surf2.no_verts*3) )
' pointers to arrays, don't need separate copies unles fullcopy=1
new_surf[id].tris = anim_surf2.tris
new_surf[id].vert_bone1_no=anim_surf2.vert_bone1_no
new_surf[id].vert_bone2_no=anim_surf2.vert_bone2_no
new_surf[id].vert_bone3_no=anim_surf2.vert_bone3_no
new_surf[id].vert_bone4_no=anim_surf2.vert_bone4_no
new_surf[id].vert_weight1=anim_surf2.vert_weight1
new_surf[id].vert_weight2=anim_surf2.vert_weight2
new_surf[id].vert_weight3=anim_surf2.vert_weight3
new_surf[id].vert_weight4=anim_surf2.vert_weight4
Elseif anim=2
'mesh.anim_surf = New TSurface[no_surfs]
'Local new_surf:TSurface=New TSurface
'mesh.anim_surf[surf.surf_id] = anim_surf2.Copy()
'Local new_surf:TSurface = mesh.anim_surf[surf.surf_id]
new_surf[id].vert_anim = anim_surf2.vert_anim ''pointer to shared anim data
Endif
Next
Return new_surf
End
Method FreeEntity()
''dont clear surf_list or will clear all entities
'Print "free mesh "+classname
''dont clear anim mesh for vertex animation, as it is shared
If anim<>2 Then anim_surf = New TSurface[0]
bones = New TBone[0]
Super.FreeEntity()
End
Function CreateMesh:TMesh(parent_ent:TEntity=Null)
Local mesh:TMesh=New TMesh
mesh.classname="Mesh"
If parent_ent Then mesh.AddParent(parent_ent)
mesh.entity_link = entity_list.EntityListAdd(mesh)
' update matrix
If mesh.parent<>Null
mesh.mat.Overwrite(mesh.parent.mat)
mesh.UpdateMat()
Else
mesh.UpdateMat(True)
Endif
Return mesh
End
Function LoadMesh:TMesh(file$,parent_ent:TEntity=Null, override_texflags:Int=-1)
Local xmesh:TMesh=LoadAnimMesh(file, Null, override_texflags)
Local mesh:TMesh = CreateMesh()
''
xmesh.HideEntity()
xmesh.CollapseAnimMesh(mesh)
xmesh.FreeEntity()
mesh.classname="Model"
mesh.name = file
mesh.AddParent(parent_ent)
'mesh.entity_link = entity_list.EntityListAdd(mesh)
' update matrix
If mesh.parent<>Null
mesh.mat.Overwrite(mesh.parent.mat)
mesh.UpdateMat()
Else
mesh.UpdateMat(True)
Endif
Return TMesh(mesh)
End
Function LoadAnimMesh:TMesh(file$,parent_ent:TEntity=Null, override_texflags:Int=-1)
Local mesh:TMesh
If file.EndsWith(".obj") Or file.EndsWith(".obj.txt")
mesh = TModelObj.LoadMesh(file, override_texflags)
Elseif file.EndsWith(".txt")
mesh = TModelB3D.LoadAnimB3D(file,parent_ent, override_texflags)
Elseif file.EndsWith(".b3d")
mesh = TModelB3D.LoadAnimB3DBin(file,parent_ent, override_texflags)
Else
Print "**Error: File type not recognized (use .txt, .obj, or .b3d)"
Endif
If Not mesh Then Return TMesh.CreateCube()
Return mesh
End
Method CreateSurfaceID:Int()
no_surfs=no_surfs+1 'putting this here may cause trouble
Return no_surfs-1
End
Method CreateSurface:TSurface(bru:TBrush=Null)
Local surf:TSurface=New TSurface
surf_list.AddLast(surf)
If bru<>Null
surf.brush=bru.Copy()
Endif
'' anim surf
surf.surf_id = CreateSurfaceID()
anim_surf = anim_surf.Resize(no_surfs)
anim_surf_frame = anim_surf_frame.Resize(no_surfs)
' new mesh surface - update reset flags
reset_bounds=True
col_tree.reset_col_tree=True
Return surf
End
'' AddSurface()
'' -- helper for AddMesh()
Method AddSurface:TSurface(surf:TSurface)
surf_list.AddLast(surf)
'' anim surf
surf.surf_id = CreateSurfaceID()
anim_surf = anim_surf.Resize(no_surfs)
anim_surf_frame = anim_surf_frame.Resize(no_surfs)
' new mesh surface - update reset flags
reset_bounds=True
col_tree.reset_col_tree=True
Return surf
End
Method RemoveFromRenderList:Void()
entity_link.Remove()
entity_link=null
End
'' CreateGrid(x,y,parent)
'' creates a plane of quads x segments by y segments each segment 1x1 unit large
'' can create either joined grid or separate grid (for mobile textures)
Function CreateGrid:TMesh(x_seg:Int,y_seg:Int, repeat_tex:Bool=False ,parent_ent:TEntity=Null)
Local mesh:TMesh=TMesh.CreateMesh(parent_ent)
Local surf:TSurface=mesh.CreateSurface()
Local yhalf# = y_seg*0.5
Local xhalf# = x_seg*0.5
Local txstep# = 1.0/x_seg
Local tystep# = -1.0/y_seg
Local texx:Float = 0.0, texy:Float = 1.0
Local v0:Int,v1:Int,v2:Int,v3:Int
Local pv2:Int[x_seg+1]
Local qv2:Int[x_seg+1]
If Not repeat_tex
For Local y:Float = -yhalf To yhalf-1.0 Step 1.0
v0= surf.AddVertex( -xhalf-0.5, 0.0, y-0.5)
v1= surf.AddVertex( -xhalf-0.5, 0.0, y+0.5)
For Local x:Float = -xhalf To xhalf-1.0 Step 1.0
If x<>-xhalf Then v1 = v2; v0 = v3
If y= -yhalf
v3= surf.AddVertex( x+0.5, 0.0, y-0.5)
Else
v3 = pv2[xhalf + x]
Endif
v2= surf.AddVertex( x+0.5, 0.0, y+0.5)
qv2[xhalf + x] = v2
surf.VertexNormal(v0,0.0,1.0,0.0)
surf.VertexNormal(v1,0.0,1.0,0.0)
surf.VertexNormal(v2,0.0,1.0,0.0)
surf.VertexNormal(v3,0.0,1.0,0.0)
surf.VertexTexCoords(v0,texx,texy)
surf.VertexTexCoords(v1,texx,texy+tystep)
surf.VertexTexCoords(v2,texx+txstep,texy+tystep)
surf.VertexTexCoords(v3,texx+txstep,texy)
surf.AddTriangle(v0,v1,v2)
surf.AddTriangle(v0,v2,v3)
'Print "tx "+texx+" "+texy+" "+(texx+txstep)+" "+(texy+tystep)+" :: "+txstep+" "+tystep
texx += txstep
If texx>1.0 Then texx=0.0
Next
For Local i:Int = 0 To x_seg
pv2[i] = qv2[i]
Next
qv2 = New Int[x_seg+1]
texx =0.0
texy += tystep
If texy<0.0 Then texy=1.0
Next
Else
''create segmented grid, separate squares for textures
For Local y:Float = -yhalf To yhalf-1.0 Step 1.0
For Local x:Float = -xhalf To xhalf-1.0 Step 1.0
v0= surf.AddVertex( x-0.5, 0.0, y-0.5)
v1= surf.AddVertex( x-0.5, 0.0, y+0.5)
v2= surf.AddVertex( x+0.5, 0.0, y+0.5)
v3= surf.AddVertex( x+0.5, 0.0, y-0.5)
surf.VertexNormal(v0,0.0,1.0,0.0)
surf.VertexNormal(v1,0.0,1.0,0.0)
surf.VertexNormal(v2,0.0,1.0,0.0)
surf.VertexNormal(v3,0.0,1.0,0.0)
surf.VertexTexCoords(v0,0.0,0.0)
surf.VertexTexCoords(v1,0.0,1.0)
surf.VertexTexCoords(v2,1.0,1.0)
surf.VertexTexCoords(v3,1.0,0.0)
surf.AddTriangle(v0,v1,v2)
surf.AddTriangle(v0,v2,v3)
Next
Next
Endif
surf.CropSurfaceBuffers()
'mesh.UpdateNormals()
mesh.classname = "MeshGrid"
Return mesh
End
Function CreateCube:TMesh(parent_ent:TEntity=Null)
Local mesh:TMesh=TMesh.CreateMesh(parent_ent)
Local surf:TSurface=mesh.CreateSurface()
surf.AddVertex(-1.0,-1.0,-1.0)
surf.AddVertex(-1.0, 1.0,-1.0)
surf.AddVertex( 1.0, 1.0,-1.0)
surf.AddVertex( 1.0,-1.0,-1.0)
surf.AddVertex(-1.0,-1.0, 1.0)
surf.AddVertex(-1.0, 1.0, 1.0)
surf.AddVertex( 1.0, 1.0, 1.0)
surf.AddVertex( 1.0,-1.0, 1.0)
surf.AddVertex(-1.0,-1.0, 1.0)
surf.AddVertex(-1.0, 1.0, 1.0)
surf.AddVertex( 1.0, 1.0, 1.0)
surf.AddVertex( 1.0,-1.0, 1.0)
surf.AddVertex(-1.0,-1.0,-1.0)
surf.AddVertex(-1.0, 1.0,-1.0)
surf.AddVertex( 1.0, 1.0,-1.0)
surf.AddVertex( 1.0,-1.0,-1.0)
surf.AddVertex(-1.0,-1.0, 1.0)
surf.AddVertex(-1.0, 1.0, 1.0)
surf.AddVertex( 1.0, 1.0, 1.0)
surf.AddVertex( 1.0,-1.0, 1.0)
surf.AddVertex(-1.0,-1.0,-1.0)
surf.AddVertex(-1.0, 1.0,-1.0)
surf.AddVertex( 1.0, 1.0,-1.0)
surf.AddVertex( 1.0,-1.0,-1.0)
surf.VertexNormal(0,0.0,0.0,-1.0)
surf.VertexNormal(1,0.0,0.0,-1.0)
surf.VertexNormal(2,0.0,0.0,-1.0)
surf.VertexNormal(3,0.0,0.0,-1.0)
surf.VertexNormal(4,0.0,0.0,1.0)
surf.VertexNormal(5,0.0,0.0,1.0)
surf.VertexNormal(6,0.0,0.0,1.0)
surf.VertexNormal(7,0.0,0.0,1.0)
surf.VertexNormal(8,0.0,-1.0,0.0)
surf.VertexNormal(9,0.0,1.0,0.0)
surf.VertexNormal(10,0.0,1.0,0.0)
surf.VertexNormal(11,0.0,-1.0,0.0)
surf.VertexNormal(12,0.0,-1.0,0.0)
surf.VertexNormal(13,0.0,1.0,0.0)
surf.VertexNormal(14,0.0,1.0,0.0)
surf.VertexNormal(15,0.0,-1.0,0.0)
surf.VertexNormal(16,-1.0,0.0,0.0)
surf.VertexNormal(17,-1.0,0.0,0.0)
surf.VertexNormal(18,1.0,0.0,0.0)
surf.VertexNormal(19,1.0,0.0,0.0)
surf.VertexNormal(20,-1.0,0.0,0.0)
surf.VertexNormal(21,-1.0,0.0,0.0)
surf.VertexNormal(22,1.0,0.0,0.0)
surf.VertexNormal(23,1.0,0.0,0.0)
surf.VertexTexCoords(0,0.0,1.0)
surf.VertexTexCoords(1,0.0,0.0)
surf.VertexTexCoords(2,1.0,0.0)
surf.VertexTexCoords(3,1.0,1.0)
surf.VertexTexCoords(4,1.0,1.0)
surf.VertexTexCoords(5,1.0,0.0)
surf.VertexTexCoords(6,0.0,0.0)
surf.VertexTexCoords(7,0.0,1.0)
surf.VertexTexCoords(8,0.0,1.0)
surf.VertexTexCoords(9,0.0,0.0)
surf.VertexTexCoords(10,1.0,0.0)
surf.VertexTexCoords(11,1.0,1.0)
surf.VertexTexCoords(12,0.0,0.0)
surf.VertexTexCoords(13,0.0,1.0)
surf.VertexTexCoords(14,1.0,1.0)
surf.VertexTexCoords(15,1.0,0.0)
surf.VertexTexCoords(16,0.0,1.0)
surf.VertexTexCoords(17,0.0,0.0)
surf.VertexTexCoords(18,1.0,0.0)
surf.VertexTexCoords(19,1.0,1.0)
surf.VertexTexCoords(20,1.0,1.0)
surf.VertexTexCoords(21,1.0,0.0)
surf.VertexTexCoords(22,0.0,0.0)
surf.VertexTexCoords(23,0.0,1.0)
surf.VertexTexCoords(0,0.0,1.0,0.0,1)
surf.VertexTexCoords(1,0.0,0.0,0.0,1)
surf.VertexTexCoords(2,1.0,0.0,0.0,1)
surf.VertexTexCoords(3,1.0,1.0,0.0,1)
surf.VertexTexCoords(4,1.0,1.0,0.0,1)
surf.VertexTexCoords(5,1.0,0.0,0.0,1)
surf.VertexTexCoords(6,0.0,0.0,0.0,1)
surf.VertexTexCoords(7,0.0,1.0,0.0,1)
surf.VertexTexCoords(8,0.0,1.0,0.0,1)
surf.VertexTexCoords(9,0.0,0.0,0.0,1)
surf.VertexTexCoords(10,1.0,0.0,0.0,1)
surf.VertexTexCoords(11,1.0,1.0,0.0,1)
surf.VertexTexCoords(12,0.0,0.0,0.0,1)
surf.VertexTexCoords(13,0.0,1.0,0.0,1)
surf.VertexTexCoords(14,1.0,1.0,0.0,1)
surf.VertexTexCoords(15,1.0,0.0,0.0,1)
surf.VertexTexCoords(16,0.0,1.0,0.0,1)
surf.VertexTexCoords(17,0.0,0.0,0.0,1)
surf.VertexTexCoords(18,1.0,0.0,0.0,1)
surf.VertexTexCoords(19,1.0,1.0,0.0,1)
surf.VertexTexCoords(20,1.0,1.0,0.0,1)
surf.VertexTexCoords(21,1.0,0.0,0.0,1)
surf.VertexTexCoords(22,0.0,0.0,0.0,1)
surf.VertexTexCoords(23,0.0,1.0,0.0,1)
surf.AddTriangle(0,1,2) ' front
surf.AddTriangle(0,2,3)
surf.AddTriangle(6,5,4) ' back
surf.AddTriangle(7,6,4)
surf.AddTriangle(6+8,5+8,1+8) ' top
surf.AddTriangle(2+8,6+8,1+8)
surf.AddTriangle(0+8,4+8,7+8) ' bottom
surf.AddTriangle(0+8,7+8,3+8)
surf.AddTriangle(6+16,2+16,3+16) ' right
surf.AddTriangle(7+16,6+16,3+16)
surf.AddTriangle(0+16,1+16,5+16) ' left
surf.AddTriangle(0+16,5+16,4+16)
surf.CropSurfaceBuffers()
mesh.classname = "MeshCube"
Return mesh
End
' Function by Coyote
Function CreateSphere:TMesh(segments:Int=8,parent_ent:TEntity=Null)
If segments<2 Or segments>100 Then Return Null
Local thissphere:TMesh=TMesh.CreateMesh(parent_ent)
Local thissurf:TSurface=thissphere.CreateSurface()
Local div#=Float(360.0/(segments*2))
Local height#=1.0
Local upos#=1.0
Local udiv#=Float(1.0/(segments*2))
Local vdiv#=Float(1.0/segments)
Local RotAngle#=90
If segments=2 ' diamond shape - no center strips
For Local i=1 To (segments*2)
Local np=thissurf.AddVertex(0.0,height,0.0,upos-(udiv/2.0),0)'northpole
Local sp=thissurf.AddVertex(0.0,-height,0.0,upos-(udiv/2.0),1)'southpole
Local XPos#=-Cos(RotAngle)
Local ZPos#=Sin(RotAngle)
Local v0=thissurf.AddVertex(XPos,0,ZPos,upos,0.5)
RotAngle=RotAngle+div
If RotAngle>=360.0 Then RotAngle=RotAngle-360.0
XPos=-Cos(RotAngle)
ZPos=Sin(RotAngle)
upos=upos-udiv
Local v1=thissurf.AddVertex(XPos,0,ZPos,upos,0.5)
thissurf.AddTriangle(np,v0,v1)
thissurf.AddTriangle(v1,v0,sp)
Next
Else ' have center strips now
' poles first
Local YPos#=Cos(div)
For Local i=1 To (segments*2)
Local np=thissurf.AddVertex(0.0,height,0.0,upos-(udiv/2.0),0.0)'northpole
Local sp=thissurf.AddVertex(0.0,-height,0.0,upos-(udiv/2.0),1.0)'southpole
Local XPos#=-Cos(RotAngle)*(Sin(div))
Local ZPos#=Sin(RotAngle)*(Sin(div))
Local v0t=thissurf.AddVertex(XPos,YPos,ZPos,upos,vdiv)
Local v0b=thissurf.AddVertex(XPos,-YPos,ZPos,upos,1.0-vdiv)
RotAngle=RotAngle+div
XPos=-Cos(RotAngle)*(Sin(div))
ZPos=Sin(RotAngle)*(Sin(div))
upos=upos-udiv
Local v1t=thissurf.AddVertex(XPos,YPos,ZPos,upos,vdiv)
Local v1b=thissurf.AddVertex(XPos,-YPos,ZPos,upos,1.0-vdiv)
thissurf.AddTriangle(np,v0t,v1t)
thissurf.AddTriangle(v1b,v0b,sp)
Next
' then center strips
upos=1.0
RotAngle=90
For Local i=1 To (segments*2)
Local mult#=1
Local YPos#=Cos(div*(mult))
Local YPos2#=Cos(div*(mult+1.0))
Local Thisvdiv#=vdiv
For Local j=1 To (segments-2)
Local XPos#=-Cos(RotAngle)*(Sin(div*(mult)))
Local ZPos#=Sin(RotAngle)*(Sin(div*(mult)))
Local XPos2#=-Cos(RotAngle)*(Sin(div*(mult+1.0)))
Local ZPos2#=Sin(RotAngle)*(Sin(div*(mult+1.0)))
Local v0t=thissurf.AddVertex(XPos,YPos,ZPos,upos,Thisvdiv)
Local v0b=thissurf.AddVertex(XPos2,YPos2,ZPos2,upos,Thisvdiv+vdiv)
' 2nd tex coord set
thissurf.VertexTexCoords(v0t,upos,Thisvdiv,0.0,1)
thissurf.VertexTexCoords(v0b,upos,Thisvdiv+vdiv,0.0,1)
Local tempRotAngle#=RotAngle+div
Local sdm# = Sin(div*(mult))
XPos=-Cos(tempRotAngle)*(sdm)
ZPos=Sin(tempRotAngle)*(sdm)
sdm = Sin(div*(mult+1.0))
XPos2=-Cos(tempRotAngle)*(sdm)
ZPos2=Sin(tempRotAngle)*(sdm)
Local temp_upos#=upos-udiv
Local v1t=thissurf.AddVertex(XPos,YPos,ZPos,temp_upos,Thisvdiv)
Local v1b=thissurf.AddVertex(XPos2,YPos2,ZPos2,temp_upos,Thisvdiv+vdiv)
' 2nd tex coord set
thissurf.VertexTexCoords(v1t,temp_upos,Thisvdiv,0.0,1)
thissurf.VertexTexCoords(v1b,temp_upos,Thisvdiv+vdiv,0.0,1)
thissurf.AddTriangle(v1t,v0t,v0b)
thissurf.AddTriangle(v1b,v1t,v0b)
Thisvdiv=Thisvdiv+vdiv
mult=mult+1
YPos=Cos(div*(mult))
YPos2=Cos(div*(mult+1.0))
Next
upos=upos-udiv
RotAngle=RotAngle+div
Next
Endif
thissurf.CropSurfaceBuffers()
'thissphere.UpdateNormals() ''slow
thissurf.SnapVerts()
thissurf.UpdateNormals()
' mesh state has changed - update reset flags
thissurf.reset_vbo = thissurf.reset_vbo|4
thissphere.classname = "MeshSphere"
Return thissphere
End
' Function by Coyote
Function CreateCylinder:TMesh(verticalsegments=8,solid=True,parent_ent:TEntity=Null)
Local ringsegments=0 ' default?
Local tr,tl,br,bl' side of cylinder
Local ts0,ts1,newts' top side vertexs
Local bs0,bs1,newbs' bottom side vertexs
If verticalsegments<3 Or verticalsegments>100 Then Return Null
If ringsegments<0 Or ringsegments>100 Then Return Null
Local thiscylinder:TMesh=TMesh.CreateMesh(parent_ent)
Local thissurf:TSurface=thiscylinder.CreateSurface()
Local thissidesurf:TSurface
If solid=True
thissidesurf=thiscylinder.CreateSurface()
Endif
Local div#=Float(360.0/(verticalsegments))
Local height#=1.0
Local ringSegmentHeight#=(height*2.0)/(ringsegments+1)
Local upos#=1.0
Local udiv#=Float(1.0/(verticalsegments))
Local vpos#=1.0
Local vdiv#=Float(1.0/(ringsegments+1))
Local SideRotAngle#=90
' re-diminsion arrays to hold needed memory.
' this is used just for helping to build the ring segments...
Local tRing[verticalsegments+1]
Local bRing[verticalsegments+1]
' render end caps if solid
If solid=True
Local XPos#=-Cos(SideRotAngle)
Local ZPos#=Sin(SideRotAngle)
ts0=thissidesurf.AddVertex(XPos,height,ZPos,XPos/2.0+0.5,ZPos/2.0+0.5)
bs0=thissidesurf.AddVertex(XPos,-height,ZPos,XPos/2.0+0.5,ZPos/2.0+0.5)
' 2nd tex coord set
thissidesurf.VertexTexCoords(ts0,XPos/2.0+0.5,ZPos/2.0+0.5,0.0,1)
thissidesurf.VertexTexCoords(bs0,XPos/2.0+0.5,ZPos/2.0+0.5,0.0,1)
SideRotAngle=SideRotAngle+div
XPos=-Cos(SideRotAngle)
ZPos=Sin(SideRotAngle)
ts1=thissidesurf.AddVertex(XPos,height,ZPos,XPos/2.0+0.5,ZPos/2.0+0.5)
bs1=thissidesurf.AddVertex(XPos,-height,ZPos,XPos/2.0+0.5,ZPos/2.0+0.5)
' 2nd tex coord set
thissidesurf.VertexTexCoords(ts1,XPos/2.0+0.5,ZPos/2.0+0.5,0.0,1)
thissidesurf.VertexTexCoords(bs1,XPos/2.0+0.5,ZPos/2.0+0.5,0.0,1)
For Local i=1 To (verticalsegments-2)
SideRotAngle=SideRotAngle+div
XPos=-Cos(SideRotAngle)
ZPos=Sin(SideRotAngle)
newts=thissidesurf.AddVertex(XPos,height,ZPos,XPos/2.0+0.5,ZPos/2.0+0.5)
newbs=thissidesurf.AddVertex(XPos,-height,ZPos,XPos/2.0+0.5,ZPos/2.0+0.5)
' 2nd tex coord set
thissidesurf.VertexTexCoords(newts,XPos/2.0+0.5,ZPos/2.0+0.5,0.0,1)
thissidesurf.VertexTexCoords(newbs,XPos/2.0+0.5,ZPos/2.0+0.5,0.0,1)
thissidesurf.AddTriangle(ts0,ts1,newts)
thissidesurf.AddTriangle(newbs,bs1,bs0)
If i<(verticalsegments-2)
ts1=newts
bs1=newbs
Endif
Next
Endif
' -----------------------
' middle part of cylinder
Local thisHeight#=height
' top ring first
SideRotAngle=90
Local XPos#=-Cos(SideRotAngle)
Local ZPos#=Sin(SideRotAngle)
Local thisUPos#=upos
Local thisVPos#=0
tRing[0]=thissurf.AddVertex(XPos,thisHeight,ZPos,thisUPos,thisVPos)
thissurf.VertexTexCoords(tRing[0],thisUPos,thisVPos,0.0,1) ' 2nd tex coord set
For Local i=0 To (verticalsegments-1)
SideRotAngle=SideRotAngle+div
XPos=-Cos(SideRotAngle)
ZPos=Sin(SideRotAngle)
thisUPos=thisUPos-udiv
tRing[i+1]=thissurf.AddVertex(XPos,thisHeight,ZPos,thisUPos,thisVPos)
thissurf.VertexTexCoords(tRing[i+1],thisUPos,thisVPos,0.0,1) ' 2nd tex coord set
Next
For Local ring=0 To ringsegments
' decrement vertical segment
Local thisHeight=thisHeight-ringSegmentHeight
' now bottom ring
SideRotAngle=90
XPos=-Cos(SideRotAngle)
ZPos=Sin(SideRotAngle)
thisUPos=upos
thisVPos=thisVPos+vdiv
bRing[0]=thissurf.AddVertex(XPos,thisHeight,ZPos,thisUPos,thisVPos)
thissurf.VertexTexCoords(bRing[0],thisUPos,thisVPos,0.0,1) ' 2nd tex coord set
For Local i=0 To (verticalsegments-1)
SideRotAngle=SideRotAngle+div
XPos=-Cos(SideRotAngle)
ZPos=Sin(SideRotAngle)
thisUPos=thisUPos-udiv
bRing[i+1]=thissurf.AddVertex(XPos,thisHeight,ZPos,thisUPos,thisVPos)
thissurf.VertexTexCoords(bRing[i+1],thisUPos,thisVPos,0.0,1) ' 2nd tex coord set
Next
' Fill in ring segment sides with triangles
For Local v=1 To (verticalsegments)
tl=tRing[v]
tr=tRing[v-1]
bl=bRing[v]
br=bRing[v-1]
thissurf.AddTriangle(tl,tr,br)
thissurf.AddTriangle(bl,tl,br)
Next
' make bottom ring segmentthe top ring segment for the next loop.
For Local v=0 To (verticalsegments)
tRing[v]=bRing[v]
Next
Next
thissurf.CropSurfaceBuffers()
thiscylinder.UpdateNormals()
thiscylinder.classname = "MeshCylinder"
Return thiscylinder
End
' Function by Coyote
Function CreateCone:TMesh(segments=8,solid=True,parent_ent:TEntity=Null)
Local top,br,bl' side of cone
Local bs0,bs1,newbs' bottom side vertices
If segments<3 Or segments>100 Then Return Null
Local thiscone:TMesh=TMesh.CreateMesh(parent_ent)
Local thissurf:TSurface=thiscone.CreateSurface()
Local thissidesurf:TSurface
If solid=True
thissidesurf=thiscone.CreateSurface()
Endif
Local div#=Float(360.0/(segments))
Local height#=1.0
Local upos#=1.0
Local udiv#=Float(1.0/(segments))
Local RotAngle#=90
' first side
Local XPos#=-Cos(RotAngle)
Local ZPos#=Sin(RotAngle)
top=thissurf.AddVertex(0.0,height,0.0,upos-(udiv/2.0),0)
br=thissurf.AddVertex(XPos,-height,ZPos,upos,1)
' 2nd tex coord set
thissurf.VertexTexCoords(top,upos-(udiv/2.0),0,0.0,1)
thissurf.VertexTexCoords(br,upos,1,0.0,1)
If solid=True Then bs0=thissidesurf.AddVertex(XPos,-height,ZPos,XPos/2.0+0.5,ZPos/2.0+0.5)
If solid=True Then thissidesurf.VertexTexCoords(bs0,XPos/2.0+0.5,ZPos/2.0+0.5,0.0,1) ' 2nd tex coord set
RotAngle= RotAngle+div
XPos= -Cos(RotAngle)
ZPos= Sin(RotAngle)
bl=thissurf.AddVertex(XPos,-height,ZPos,upos-udiv,1)
thissurf.VertexTexCoords(bl,upos-udiv,1,0.0,1) ' 2nd tex coord set
If solid=True Then bs1=thissidesurf.AddVertex(XPos,-height,ZPos,XPos/2.0+0.5,ZPos/2.0+0.5)
If solid=True Then thissidesurf.VertexTexCoords(bs1,XPos/2.0+0.5,ZPos/2.0+0.5,0.0,1) ' 2nd tex coord set
thissurf.AddTriangle(bl,top,br)
' rest of sides
For Local i=1 To (segments-1)
br=bl
upos=upos-udiv
top=thissurf.AddVertex(0.0,height,0.0,upos-(udiv/2.0),0)
thissurf.VertexTexCoords(top,upos-(udiv/2.0),0,0.0,1) ' 2nd tex coord set
RotAngle=RotAngle+div
XPos=-Cos(RotAngle)
ZPos=Sin(RotAngle)
bl=thissurf.AddVertex(XPos,-height,ZPos,upos-udiv,1)
thissurf.VertexTexCoords(bl,upos-udiv,1,0.0,1) ' 2nd tex coord set
If solid=True Then newbs=thissidesurf.AddVertex(XPos,-height,ZPos,XPos/2.0+0.5,ZPos/2.0+0.5)
If solid=True Then thissidesurf.VertexTexCoords(newbs,XPos/2.0+0.5,ZPos/2.0+0.5,0.0,1) ' 2nd tex coord set
thissurf.AddTriangle(bl,top,br)
If solid=True
thissidesurf.AddTriangle(newbs,bs1,bs0)'AddTriangle(newbs,bs1,bs0)
If i<(segments-1)
bs1=newbs
Endif
Endif
Next
thissurf.CropSurfaceBuffers()
thissidesurf.CropSurfaceBuffers()
thiscone.UpdateNormals()
thiscone.classname = "MeshCone"
Return thiscone
End
Function CreateLine:TMesh(v1:Vector, v2:Vector, thick:Float=1.0, parent_ent:TEntity=Null)
Return CreateLine(v1.x,v1.y,v1.z,v2.x,v2.y,v2.z,thick,parent_ent)
End
Function CreateLine:TMesh(v1:Vector, v2:Vector, r:Int,g:Int,b:Int)
Local m:TMesh = CreateLine(v1.x,v1.y,v1.z,v2.x,v2.y,v2.z)
m.EntityColor(r,g,b)
Return m
End
Function CreateLine:TMesh(x:Float, y:Float, z:Float, x2:Float, y2:Float, z2:Float, thick:Float=1.0, parent_ent:TEntity=Null)
Local mesh:TMesh=TMesh.CreateMesh(parent_ent)
Local surf:TSurface=mesh.CreateSurface()
surf.AddVertex(x,y,z)
surf.AddVertex(x2,y2,z2)
surf.AddVertex(x,y,z)
surf.AddTriangle(0,1,2)
surf.CropSurfaceBuffers()
mesh.classname = "Line"
mesh.wireframe = True
Return mesh
End
Method CopyMesh:TMesh(parent_ent:TEntity=Null)
Local mesh:TMesh=New TMesh()
mesh.classname = Self.classname
If parent_ent Then mesh.EntityParent(parent_ent)
Self.AddMesh(mesh, false) ''add self TO mesh ''**note: cannot place after CopyBaseMeshTo, otherwise infinite loop
Local new_list:List<TSurface> = mesh.surf_list
Self.CopyBaseMeshTo(mesh,parent_ent) ''this overwrites surf_list pointer with original pointer
mesh.surf_list = new_list ''set pointer back to proper list