func moveNode(xn, parent *xmlx.Node, parentName string) (newParent *xmlx.Node, oldPos int) {
oldPos = -1
if root := srcDoc.Root.Children[0]; parent == nil {
if parent = subNode(root, parentName); parent == nil {
parent = xmlx.NewNode(xn.Type)
parent.Name.Local = parentName
parent.Parent = root
root.Children = append(root.Children, parent)
}
}
if xn.Parent != parent {
newParent = parent
if xn.Parent != nil {
for i, sn := range xn.Parent.Children {
if sn == xn {
oldPos = i
break
}
}
if oldPos >= 0 {
xn.Parent.Children[oldPos] = nil
}
}
xn.Parent = parent
parent.Children = append(parent.Children, xn)
}
return
}
func ensureChild(xn *xmlx.Node, name string) (sn *xmlx.Node) {
if sn = subNode(xn, name); sn == nil {
sn = xmlx.NewNode(xn.Type)
sn.Name.Local = name
xn.AddChild(sn)
}
return
}
func ensureSiblings(xn *xmlx.Node, namesVals map[string]string) {
var sn *xmlx.Node
for n, v := range namesVals {
if sn = subNode(xn.Parent, n); sn == nil {
sn = xmlx.NewNode(xn.Type)
sn.Name.Local = n
xn.Parent.AddChild(sn)
}
sn.Value = v
}
}
func replaceNode(xn, nn *xmlx.Node) {
pos := -1
for i, sn := range xn.Parent.Children {
if sn == xn {
pos = i
break
}
}
if pos >= 0 {
xn.Parent.Children[pos] = nn
nn.Parent = xn.Parent
xn.Parent = nil
}
}
func xu64(xn *xmlx.Node, name string) (v uint64) {
if v = xn.U64(xmlns, name); v == 0 {
if v = xn.U64("", name); v == 0 {
v = xn.U64("*", name)
}
}
return
}
func xs(xn *xmlx.Node, name string) (v string) {
if v = xn.S(xmlns, name); len(v) == 0 {
if v = xn.S("", name); len(v) == 0 {
v = xn.S("*", name)
}
}
return
}
func xf64(xn *xmlx.Node, name string) (v float64) {
if v = xn.F64(xmlns, name); v == 0 {
if v = xn.F64("", name); v == 0 {
v = xn.F64("*", name)
}
}
return
}
func attValU64(xn *xmlx.Node, name string) (val uint64) {
if val = xn.Au64(ns, name); val == 0 {
if val = xn.Au64("", name); val == 0 {
val = xn.Au64("*", name)
}
}
return
}
func attVal(xn *xmlx.Node, name string) (val string) {
if val = xn.As(ns, name); len(val) == 0 {
if val = xn.As("", name); len(val) == 0 {
val = xn.As("*", name)
}
}
return
}
func subNodes(xn *xmlx.Node, name string) (sn []*xmlx.Node) {
if sn = xn.SelectNodes(ns, name); len(sn) == 0 {
if sn = xn.SelectNodes("", name); len(sn) == 0 {
sn = xn.SelectNodes("*", name)
}
}
return
}
func xcn(xn *xmlx.Node, name string) (cn *xmlx.Node) {
if cn = xn.SelectNode(xmlns, name); cn == nil {
if cn = xn.SelectNode("", name); cn == nil {
cn = xn.SelectNode("*", name)
}
}
return
}
func subNode(xn *xmlx.Node, name string) (sn *xmlx.Node) {
if sn = xn.SelectNode(ns, name); sn == nil {
if sn = xn.SelectNode("", name); sn == nil {
sn = xn.SelectNode("*", name)
}
}
return
}
func setAttr(xn *xmlx.Node, name, value string, onlySetIfEmpty bool) {
for _, att := range xn.Attributes {
if att.Name.Local == name {
if (!onlySetIfEmpty) || (len(att.Value) == 0) {
logFmt("\t\tsetAttr %s.%s = %s\n", xn.Name.Local, name, value)
att.Value = value
}
return
}
}
logFmt("\t\taddAttr %s.%s = %s\n", xn.Name.Local, name, value)
att := &xmlx.Attr{Value: value}
att.Name.Local = name
xn.Attributes = append(xn.Attributes, att)
}
func delAttr(xn *xmlx.Node, name string) {
if Strict {
pos := -1
for i, att := range xn.Attributes {
if att.Name.Local == name {
pos = i
break
}
}
if pos >= 0 {
logFmt("\t\tdelAttr %s.%s\n", xn.Name.Local, name)
nuAtts := append(xn.Attributes[:pos], xn.Attributes[pos+1:]...)
xn.Attributes = nuAtts
}
}
}
func xcns(xn *xmlx.Node, names ...string) (cns []*xmlx.Node) {
if len(names) == 1 {
if cns = xn.SelectNodes(xmlns, names[0]); len(cns) == 0 {
if cns = xn.SelectNodes("", names[0]); len(cns) == 0 {
cns = xn.SelectNodes("*", names[0])
}
}
} else {
var scns []*xmlx.Node
for _, n := range names {
if scns = xcns(xn, n); len(scns) > 0 {
cns = append(cns, scns...)
}
}
}
if len(cns) > 0 && cns[0].Parent == xn.Parent {
cns = cns[1:]
}
return
}
func xb(xn *xmlx.Node, name string) bool {
return xn.B(xmlns, name) || xn.B("", name) || xn.B("*", name)
}
func processNode(xn *xmlx.Node) {
if (!Force) && (xn.Name.Local == "COLLADA") {
if _, ver := ugo.ParseVersion(attVal(xn, "version")); ver >= 1.5 {
skipped = true
return
}
}
xn.Name.Space = ""
for _, att := range xn.Attributes {
att.Name.Space = ""
}
switch xn.Name.Local {
case "COLLADA":
setAttr(xn, "version", "1.5", false)
setAttr(xn, "xmlns", "http://www.collada.org/2008/03/COLLADASchema", false)
case "array":
if !ustr.IsOneOf(xn.Parent.Name.Local, "array", "newparam", "setparam") {
delNode(xn)
}
case "argument", "texenv":
delAttr(xn, "unit")
case "cg_value_type", "connect_param", "generator", "tapered_capsule", "tapered_cylinder", "texture_unit":
delNode(xn)
case "code", "include":
if !ustr.IsOneOf(xn.Parent.Name.Local, "profile_CG", "profile_GLES2", "profile_GLSL") {
delNode(xn)
}
case "color_target", "depth_target", "stencil_target":
if val := surfaceImages[xn.Value]; len(val) == 0 {
setAttr(ensureChild(xn, "param"), "ref", xn.Value, false)
} else {
setAttr(ensureChild(xn, "instance_image"), "url", "#"+val, false)
}
xn.Value = ""
case "float_array":
restrictAttr(xn, "digits", 1, 17)
restrictAttr(xn, "magnitude", -324, 308)
case "image":
convertImage(xn)
case "instance_effect":
if xn.Parent.Name.Local == "render" {
id := fmt.Sprintf("render_%v", time.Now().UnixNano())
matNode := xmlx.NewNode(xn.Type)
matNode.Name.Local = "material"
setAttr(matNode, "id", id, false)
matsLibNode := ensureChild(srcDoc.Root.Children[0], "library_materials")
matsLibNode.AddChild(matNode)
oldParent := xn.Parent
_, pos := moveNode(xn, matNode, "")
instNode := xmlx.NewNode(xn.Type)
instNode.Name.Local = "instance_material"
setAttr(instNode, "url", "#"+id, false)
instNode.Parent = oldParent
oldParent.Children[pos] = instNode
}
case "magfilter", "minfilter", "mipfilter":
if (xn.Value == "NONE") && (xn.Name.Local != "mipfilter") {
xn.Value = "NEAREST"
} else {
switch xn.Value {
case "NEAREST_MIPMAP_NEAREST":
ensureSiblings(xn, map[string]string{"minfilter": "NEAREST", "mipfilter": "NEAREST"})
case "LINEAR_MIPMAP_NEAREST":
ensureSiblings(xn, map[string]string{"minfilter": "LINEAR", "mipfilter": "NEAREST"})
case "NEAREST_MIPMAP_LINEAR":
ensureSiblings(xn, map[string]string{"minfilter": "NEAREST", "mipfilter": "LINEAR"})
case "LINEAR_MIPMAP_LINEAR":
ensureSiblings(xn, map[string]string{"minfilter": "LINEAR", "mipfilter": "LINEAR"})
}
}
case "mipmap_bias":
renameNode(xn, "mip_bias")
case "mipmap_maxlevel":
renameNode(xn, "mip_max_level")
case "newparam":
if !ustr.IsOneOf(xn.Parent.Name.Local, "effect", "profile_CG", "profile_COMMON", "profile_GLSL", "profile_GLES", "profile_GLES2") {
delNode(xn)
}
case "radius":
if vals := ustr.Split(xn.Value, " "); (xn.Parent.Name.Local == "capsule") && (len(vals) > 0) && (len(vals) < 3) {
for len(vals) < 3 {
vals = append(vals, "1.0")
}
xn.Value = strings.Join(vals, " ")
}
case "setparam":
if !ustr.IsOneOf(xn.Parent.Name.Local, "instance_effect", "usertype") {
delNode(xn)
}
case "shader":
convertShader(xn)
case "surface":
convertSurface(xn)
case "texture_pipeline":
if xn.Parent.Name.Local != "states" {
delNode(xn)
}
case "transparent":
setAttr(xn, "opaque", "A_ONE", true)
case "usertype":
renameAttr(xn, "name", "typename")
if !ustr.IsOneOf(xn.Parent.Name.Local, "newparam", "setparam", "array", "bind_uniform") {
delNode(xn)
} else {
for _, sn := range xn.Children {
if sn.Name.Local != "setparam" {
delNode(sn)
}
}
}
default:
if (xn.Parent != nil) && (xn.Parent.Name.Local == "pass") {
switch xn.Name.Local {
case "annotate", "extra", "evaluate", "states", "program":
break
case "color_target", "depth_target", "stencil_target", "color_clear", "depth_clear", "stencil_clear", "draw":
moveNode(xn, ensureChild(xn.Parent, "evaluate"), "")
case "shader":
moveNode(xn, ensureChild(xn.Parent, "program"), "")
default:
moveNode(xn, ensureChild(xn.Parent, "states"), "")
}
}
if strings.HasPrefix(xn.Name.Local, "wrap_") && (xn.Value == "NONE") {
xn.Value = "BORDER"
}
if (xn.Name.Local != "sampler") && strings.HasPrefix(xn.Name.Local, "sampler") && !strings.HasPrefix(xn.Name.Local, "sampler_") {
if sn := subNode(xn, "source"); sn != nil {
sn.Name.Local = "instance_image"
setAttr(sn, "url", "#"+surfaceImages[sn.Value], false)
sn.Value = ""
}
}
}
for _, sn := range xn.Children {
processNode(sn)
}
}
func convertImage(xn *xmlx.Node) {
hexFormat := attVal(xn, "format")
imgHeight := attValU64(xn, "height")
imgWidth := attValU64(xn, "width")
imgDepth := attValU64(xn, "depth")
if imgDepth == 0 {
imgDepth = 1
}
delAtts(xn, "height", "width", "depth", "format")
if len(hexFormat) == 0 {
hexFormat = HexFormat
}
hexData, refUrl, initNode, hexNode := "", "", subNode(xn, "init_from"), subNode(xn, "data")
if initNode != nil {
refUrl = initNode.Value
delNodeForce(initNode, true)
initNode = nil
}
if hexNode != nil {
hexData = hexNode.Value
delNodeForce(hexNode, true)
hexNode = nil
}
if (len(refUrl) > 0) || (len(hexData) > 0) {
initNode = xmlx.NewNode(xn.Type)
initNode.Name.Local = "init_from"
if len(refUrl) > 0 {
ensureChild(initNode, "ref").Value = refUrl
}
if len(hexData) > 0 {
hex := ensureChild(initNode, "hex")
setAttr(hex, "format", hexFormat, false)
hex.Value = hexData
hexData = ""
}
}
if (imgWidth != 0) && (imgHeight != 0) {
cn := xmlx.NewNode(xn.Type)
switch imgDepth {
case 1:
cn.Name.Local = "create_2d"
case 2:
cn.Name.Local = "create_3d"
default:
cn.Name.Local = "create_cube"
}
sn := ensureChild(cn, "size_exact")
setAttr(sn, "width", fmt.Sprintf("%v", imgWidth), false)
setAttr(sn, "height", fmt.Sprintf("%v", imgHeight), false)
if initNode != nil {
cn.AddChild(initNode)
}
xn.AddChild(cn)
} else if initNode != nil {
xn.AddChild(initNode)
}
if oldParent := xn.Parent; oldParent.Name.Local != "library_images" {
logFmt("!!MOVE image!!; this may be BUGGY, please report your use-case at GitHub Issues for this package!!\n")
id := attVal(xn, "id")
if len(id) == 0 {
id = fmt.Sprintf("img_moved_%v", time.Now().UnixNano())
}
if _, pos := moveNode(xn, nil, "library_images"); pos >= 0 {
xn = xmlx.NewNode(xn.Type)
xn.Name.Local = "instance_image"
setAttr(xn, "url", "#"+id, false)
xn.Parent = oldParent
oldParent.Children[pos] = xn
}
}
}
func convertSurface(xn *xmlx.Node) {
var (
imgNode, imgCreateNode, imgCreateFormatNode, rn, sn, tn *xmlx.Node
ensureCreateNode = func() *xmlx.Node {
if imgCreateNode == nil {
if rn = subNode(imgNode, "init_from"); rn != nil {
imgNode.RemoveChild(rn)
}
imgCreateNode = ensureChild(imgNode, "create_"+strings.ToLower(attVal(xn, "type")))
if rn != nil {
imgCreateNode.AddChild(rn)
}
}
return imgCreateNode
}
ensureCreateFormatNode = func(exact, hint bool) *xmlx.Node {
imgCreateFormatNode = ensureChild(ensureCreateNode(), "format")
if hint {
ensureChild(imgCreateFormatNode, "hint")
}
if exact {
ensureChild(imgCreateFormatNode, "exact")
}
return imgCreateFormatNode
}
)
surfaceNodes = append(surfaceNodes, xn)
myID, imgID, initNode := attVal(xn.Parent, "sid"), "", subNode(xn, "init_as_target")
if len(myID) == 0 {
myID = attVal(xn.Parent, "ref")
}
if myID = ustr.StripPrefix(myID, "#"); len(myID) > 0 {
if initNode != nil {
imgID = fmt.Sprintf("img_target_%v", time.Now().UnixNano())
imgNode, rn = xmlx.NewNode(xn.Type), xmlx.NewNode(xn.Type)
imgNode.Name.Local, rn.Name.Local = "image", "renderable"
setAttr(imgNode, "id", imgID, false)
setAttr(rn, "share", "true", false)
imgNode.AddChild(rn)
moveNode(imgNode, nil, "library_images")
} else if initNode = subNode(xn, "init_from"); initNode != nil {
imgID = initNode.Value
} else {
for _, sn = range xn.Children {
if strings.HasPrefix(sn.Name.Local, "init_") {
initNode = sn
break
}
}
if initNode != nil {
for _, sn = range initNode.Children {
if imgID = attVal(sn, "ref"); len(imgID) > 0 {
break
}
}
}
}
if imgID = ustr.StripPrefix(imgID, "#"); len(imgID) > 0 {
surfaceImages[myID] = imgID
if imgNode == nil {
for _, sn = range subNode(srcDoc.Root.Children[0], "library_images").Children {
if attVal(sn, "id") == imgID {
imgNode = sn
break
}
}
}
}
if imgNode != nil {
if tn = subNode(xn, "format"); tn != nil {
subNode(ensureCreateFormatNode(true, false), "exact").Value = tn.Value
}
if tn = subNode(xn, "format_hint"); tn != nil {
rn = subNode(ensureCreateFormatNode(false, true), "hint")
if sn = subNode(tn, "channels"); sn != nil {
setAttr(rn, "channels", sn.Value, false)
}
if sn = subNode(tn, "range"); sn != nil {
setAttr(rn, "range", sn.Value, false)
}
if sn = subNode(tn, "precision"); sn != nil {
setAttr(rn, "precision", sn.Value, false)
}
if sn = subNode(tn, "option"); sn != nil {
setAttr(rn, "space", sn.Value, false)
}
}
if tn = subNode(xn, "size"); tn != nil {
vals := ustr.Split(tn.Value, " ")
rn = ensureChild(ensureCreateNode(), "size_exact")
if len(vals) > 0 {
setAttr(rn, "width", vals[0], false)
}
if len(vals) > 1 {
setAttr(rn, "height", vals[1], false)
}
if len(vals) > 2 {
setAttr(rn, "depth", vals[2], false)
}
}
if tn = subNode(xn, "viewport_ratio"); tn != nil {
vals := ustr.Split(tn.Value, " ")
rn = ensureChild(ensureCreateNode(), "size_ratio")
setAttr(rn, "width", vals[0], false)
setAttr(rn, "height", vals[1], false)
}
if tn = subNode(xn, "mip_levels"); tn != nil {
setAttr(ensureChild(ensureCreateNode(), "mips"), "levels", tn.Value, false)
}
if tn = subNode(xn, "mipmap_generate"); tn != nil {
setAttr(ensureChild(ensureCreateNode(), "mips"), "auto_generate", tn.Value, false)
}
}
}
}