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6ec00863dee7fea8b21b4d8f8f9686031807898b
armorpaint/Sources/arm/io/ImportBlend.hx
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luboslenco c917e78e4d Fix normal matrix when importing blend file
2021-01-19 11:35:31 +01:00

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package arm.io;
import kha.Blob;
import kha.arrays.Uint32Array;
import kha.arrays.Float32Array;
import kha.arrays.Int16Array;
import iron.data.Data;
import iron.math.Vec4;
import arm.format.BlendParser;
import zui.Nodes;
import arm.ui.UISidebar;
import arm.ui.UINodes;
import arm.shader.NodesMaterial;
import arm.node.MakeMaterial;
import arm.sys.Path;
import arm.util.RenderUtil;
import arm.data.MaterialSlot;
class ImportBlend {
public static function run(path: String) {
Data.getBlob(path, function(b: Blob) {
var bl = new BlendParser(b);
if (bl.dna == null) {
Log.error(Strings.error3());
return;
}
var obs = bl.get("Object");
if (obs == null || obs.length == 0) { ImportMesh.makeMesh(null, path); return; }
var first = true;
for (ob in obs) {
if (ob.get("type") != 1) continue;
var name: String = ob.get("id").get("name");
name = name.substring(2, name.length);
var m: Dynamic = ob.get("data", 0, "Mesh");
if (m == null) continue;
var totpoly = m.get("totpoly");
if (totpoly == 0) continue;
var numtri = 0;
for (i in 0...totpoly) {
var poly = m.get("mpoly", i);
var totloop = poly.get("totloop");
numtri += totloop - 2;
}
var inda = new Uint32Array(numtri * 3);
for (i in 0...inda.length) inda[i] = i;
var posa32 = new Float32Array(numtri * 3 * 4);
var posa = new Int16Array(numtri * 3 * 4);
var nora = new Int16Array(numtri * 3 * 2);
var hasuv = m.get("mloopuv") != null;
var texa = hasuv ? new Int16Array(numtri * 3 * 2) : null;
var hascol = Context.parseVCols && m.get("mloopcol") != null;
var cola = hascol ? new Int16Array(numtri * 3 * 3) : null;
var tri = 0;
var vec0 = new Vec4();
var vec1 = new Vec4();
var vec2 = new Vec4();
for (i in 0...totpoly) {
var poly = m.get("mpoly", i);
var smooth = poly.get("flag") & 1 == 1; // ME_SMOOTH
var loopstart = poly.get("loopstart");
var totloop = poly.get("totloop");
if (totloop == 3) {
var v0 = m.get("mvert", m.get("mloop", loopstart ).get("v"));
var v1 = m.get("mvert", m.get("mloop", loopstart + 1).get("v"));
var v2 = m.get("mvert", m.get("mloop", loopstart + 2).get("v"));
var co0 = v0.get("co");
var co1 = v1.get("co");
var co2 = v2.get("co");
if (smooth) {
var no0 = v0.get("no");
var no1 = v1.get("no");
var no2 = v2.get("no");
vec0.set(no0[0] / 32767, no0[1] / 32767, no0[2] / 32767).normalize(); // shortmax
vec1.set(no1[0] / 32767, no1[1] / 32767, no1[2] / 32767).normalize();
vec2.set(no2[0] / 32767, no2[1] / 32767, no2[2] / 32767).normalize();
}
else {
vec2.set(co2[0], co2[1], co2[2]);
vec1.set(co1[0], co1[1], co1[2]);
vec0.subvecs(vec2, vec1);
vec2.set(co0[0], co0[1], co0[2]);
vec1.subvecs(vec2, vec1);
vec0.cross(vec1);
vec0.normalize();
}
posa32[tri * 9 ] = co0[0];
posa32[tri * 9 + 1] = co0[1];
posa32[tri * 9 + 2] = co0[2];
posa32[tri * 9 + 3] = co1[0];
posa32[tri * 9 + 4] = co1[1];
posa32[tri * 9 + 5] = co1[2];
posa32[tri * 9 + 6] = co2[0];
posa32[tri * 9 + 7] = co2[1];
posa32[tri * 9 + 8] = co2[2];
posa[tri * 12 + 3] = Std.int(vec0.z * 32767);
posa[tri * 12 + 7] = Std.int((smooth ? vec1.z : vec0.z) * 32767);
posa[tri * 12 + 11] = Std.int((smooth ? vec2.z : vec0.z) * 32767);
nora[tri * 6 ] = Std.int(vec0.x * 32767);
nora[tri * 6 + 1] = Std.int(vec0.y * 32767);
nora[tri * 6 + 2] = Std.int((smooth ? vec1.x : vec0.x) * 32767);
nora[tri * 6 + 3] = Std.int((smooth ? vec1.y : vec0.y) * 32767);
nora[tri * 6 + 4] = Std.int((smooth ? vec2.x : vec0.x) * 32767);
nora[tri * 6 + 5] = Std.int((smooth ? vec2.y : vec0.y) * 32767);
if (hasuv) {
var uv0: Float32Array = m.get("mloopuv", loopstart ).get("uv");
if (uv0[0] > 1.0) uv0[0] = uv0[0] - Std.int(uv0[0]);
if (uv0[1] > 1.0) uv0[1] = uv0[1] - Std.int(uv0[1]);
var uv1: Float32Array = m.get("mloopuv", loopstart + 1).get("uv");
if (uv1[0] > 1.0) uv1[0] = uv1[0] - Std.int(uv1[0]);
if (uv1[1] > 1.0) uv1[1] = uv1[1] - Std.int(uv1[1]);
var uv2: Float32Array = m.get("mloopuv", loopstart + 2).get("uv");
if (uv2[0] > 1.0) uv2[0] = uv2[0] - Std.int(uv2[0]);
if (uv2[1] > 1.0) uv2[1] = uv2[1] - Std.int(uv2[1]);
texa[tri * 6 ] = Std.int( uv0[0] * 32767);
texa[tri * 6 + 1] = Std.int((1.0 - uv0[1]) * 32767);
texa[tri * 6 + 2] = Std.int( uv1[0] * 32767);
texa[tri * 6 + 3] = Std.int((1.0 - uv1[1]) * 32767);
texa[tri * 6 + 4] = Std.int( uv2[0] * 32767);
texa[tri * 6 + 5] = Std.int((1.0 - uv2[1]) * 32767);
}
if (hascol) {
var loop = m.get("mloopcol", loopstart);
var col0r: Int = loop.get("r");
var col0g: Int = loop.get("g");
var col0b: Int = loop.get("b");
loop = m.get("mloopcol", loopstart + 1);
var col1r: Int = loop.get("r");
var col1g: Int = loop.get("g");
var col1b: Int = loop.get("b");
loop = m.get("mloopcol", loopstart + 2);
var col2r: Int = loop.get("r");
var col2g: Int = loop.get("g");
var col2b: Int = loop.get("b");
cola[tri * 9 ] = col0r * 128;
cola[tri * 9 + 1] = col0g * 128;
cola[tri * 9 + 2] = col0b * 128;
cola[tri * 9 + 3] = col1r * 128;
cola[tri * 9 + 4] = col1g * 128;
cola[tri * 9 + 5] = col1b * 128;
cola[tri * 9 + 6] = col2r * 128;
cola[tri * 9 + 7] = col2g * 128;
cola[tri * 9 + 8] = col2b * 128;
}
tri++;
}
else {
var v0 = m.get("mvert", m.get("mloop", loopstart + totloop - 1).get("v"));
var v1 = m.get("mvert", m.get("mloop", loopstart).get("v"));
var co0 = v0.get("co");
var co1 = v1.get("co");
var no0 = v0.get("no");
var no1 = v1.get("no");
if (smooth) {
vec0.set(no0[0] / 32767, no0[1] / 32767, no0[2] / 32767).normalize(); // shortmax
vec1.set(no1[0] / 32767, no1[1] / 32767, no1[2] / 32767).normalize();
}
var uv0: Float32Array = null;
var uv1: Float32Array = null;
var uv2: Float32Array = null;
if (hasuv) {
uv0 = m.get("mloopuv", loopstart + totloop - 1).get("uv");
if (uv0[0] > 1.0) uv0[0] = uv0[0] - Std.int(uv0[0]);
if (uv0[1] > 1.0) uv0[1] = uv0[1] - Std.int(uv0[1]);
uv1 = m.get("mloopuv", loopstart).get("uv");
if (uv1[0] > 1.0) uv1[0] = uv1[0] - Std.int(uv1[0]);
if (uv1[1] > 1.0) uv1[1] = uv1[1] - Std.int(uv1[1]);
}
var col0r: Int = 0;
var col0g: Int = 0;
var col0b: Int = 0;
var col1r: Int = 0;
var col1g: Int = 0;
var col1b: Int = 0;
var col2r: Int = 0;
var col2g: Int = 0;
var col2b: Int = 0;
if (hascol) {
var loop = m.get("mloopcol", loopstart + totloop - 1);
col0r = loop.get("r");
col0g = loop.get("g");
col0b = loop.get("b");
loop = m.get("mloopcol", loopstart);
col1r = loop.get("r");
col1g = loop.get("g");
col1b = loop.get("b");
}
for (j in 0...totloop - 2) {
var v2 = m.get("mvert", m.get("mloop", loopstart + j + 1).get("v"));
var co2 = v2.get("co");
var no2 = v2.get("no");
if (smooth) {
vec2.set(no2[0] / 32767, no2[1] / 32767, no2[2] / 32767).normalize();
}
else {
vec2.set(co2[0], co2[1], co2[2]);
vec1.set(co1[0], co1[1], co1[2]);
vec0.subvecs(vec2, vec1);
vec2.set(co0[0], co0[1], co0[2]);
vec1.subvecs(vec2, vec1);
vec0.cross(vec1);
vec0.normalize();
}
posa32[tri * 9 ] = co0[0];
posa32[tri * 9 + 1] = co0[1];
posa32[tri * 9 + 2] = co0[2];
posa32[tri * 9 + 3] = co1[0];
posa32[tri * 9 + 4] = co1[1];
posa32[tri * 9 + 5] = co1[2];
posa32[tri * 9 + 6] = co2[0];
posa32[tri * 9 + 7] = co2[1];
posa32[tri * 9 + 8] = co2[2];
posa[tri * 12 + 3] = Std.int(vec0.z * 32767);
posa[tri * 12 + 7] = Std.int((smooth ? vec1.z : vec0.z) * 32767);
posa[tri * 12 + 11] = Std.int((smooth ? vec2.z : vec0.z) * 32767);
nora[tri * 6 ] = Std.int(vec0.x * 32767);
nora[tri * 6 + 1] = Std.int(vec0.y * 32767);
nora[tri * 6 + 2] = Std.int((smooth ? vec1.x : vec0.x) * 32767);
nora[tri * 6 + 3] = Std.int((smooth ? vec1.y : vec0.y) * 32767);
nora[tri * 6 + 4] = Std.int((smooth ? vec2.x : vec0.x) * 32767);
nora[tri * 6 + 5] = Std.int((smooth ? vec2.y : vec0.y) * 32767);
co1 = co2;
no1 = no2;
vec1.setFrom(vec2);
if (hasuv) {
uv2 = m.get("mloopuv", loopstart + j + 1).get("uv");
if (uv2[0] > 1.0) uv2[0] = uv2[0] - Std.int(uv2[0]);
if (uv2[1] > 1.0) uv2[1] = uv2[1] - Std.int(uv2[1]);
texa[tri * 6 ] = Std.int(uv0[0] * 32767);
texa[tri * 6 + 1] = Std.int((1.0 - uv0[1]) * 32767);
texa[tri * 6 + 2] = Std.int(uv1[0] * 32767);
texa[tri * 6 + 3] = Std.int((1.0 - uv1[1]) * 32767);
texa[tri * 6 + 4] = Std.int(uv2[0] * 32767);
texa[tri * 6 + 5] = Std.int((1.0 - uv2[1]) * 32767);
uv1 = uv2;
}
if (hascol) {
var loop = m.get("mloopcol", loopstart + j + 1);
col2r = loop.get("r");
col2g = loop.get("g");
col2b = loop.get("b");
cola[tri * 9 ] = col0r * 128;
cola[tri * 9 + 1] = col0g * 128;
cola[tri * 9 + 2] = col0b * 128;
cola[tri * 9 + 3] = col1r * 128;
cola[tri * 9 + 4] = col1g * 128;
cola[tri * 9 + 5] = col1b * 128;
cola[tri * 9 + 6] = col2r * 128;
cola[tri * 9 + 7] = col2g * 128;
cola[tri * 9 + 8] = col2b * 128;
col1r = col2r;
col1g = col2g;
col1b = col2b;
}
tri++;
}
}
}
// Apply world matrix
var obmat = ob.get("obmat", 0, "float", 16);
var mat = iron.math.Mat4.fromFloat32Array(obmat).transpose();
var v = new iron.math.Vec4();
for (i in 0...Std.int(posa32.length / 3)) {
v.set(posa32[i * 3], posa32[i * 3 + 1], posa32[i * 3 + 2]);
v.applymat4(mat);
posa32[i * 3 ] = v.x;
posa32[i * 3 + 1] = v.y;
posa32[i * 3 + 2] = v.z;
}
mat.getInverse(mat);
mat.transpose3x3();
mat._30 = mat._31 = mat._32 = mat._33 = 0;
for (i in 0...Std.int(nora.length / 2)) {
v.set(nora[i * 2] / 32767, nora[i * 2 + 1] / 32767, posa[i * 4 + 3] / 32767);
v.applymat(mat);
v.normalize();
nora[i * 2 ] = Std.int(v.x * 32767);
nora[i * 2 + 1] = Std.int(v.y * 32767);
posa[i * 4 + 3] = Std.int(v.z * 32767);
}
// Pack positions to (-1, 1) range
var scalePos = 0.0;
for (i in 0...posa32.length) {
var f = Math.abs(posa32[i]);
if (scalePos < f) scalePos = f;
}
var inv = 1 / scalePos;
for (i in 0...Std.int(posa32.length / 3)) {
posa[i * 4 ] = Std.int(posa32[i * 3 ] * 32767 * inv);
posa[i * 4 + 1] = Std.int(posa32[i * 3 + 1] * 32767 * inv);
posa[i * 4 + 2] = Std.int(posa32[i * 3 + 2] * 32767 * inv);
}
var obj = {posa: posa, nora: nora, texa: texa, cola: cola, inda: inda, name: name, scalePos: scalePos, scaleTes: 1.0};
first ? ImportMesh.makeMesh(obj, path) : ImportMesh.addMesh(obj);
first = false;
}
Data.deleteBlob(path);
});
}
public static function runMaterial(path: String) {
Data.getBlob(path, function(b: Blob) {
var bl = new BlendParser(b);
if (bl.dna == null) {
Log.error(Strings.error3());
return;
}
var mats = bl.get("Material");
if (mats.length == 0) {
Log.error("Error: No materials found");
return;
}
var imported: Array<MaterialSlot> = [];
for (mat in mats) {
// Material slot
Context.material = new MaterialSlot(Project.materials[0].data);
Project.materials.push(Context.material);
imported.push(Context.material);
var nodes = Context.material.nodes;
var canvas = Context.material.canvas;
canvas.name = mat.get("id").get("name").substr(2); // MAWood
var nout: TNode = null;
for (n in canvas.nodes) if (n.type == "OUTPUT_MATERIAL_PBR") { nout = n; break; }
for (n in canvas.nodes) if (n.name == "RGB") { nodes.removeNode(n, canvas); break; }
// Parse nodetree
var nodetree = mat.get("nodetree"); // bNodeTree
var blnodes = nodetree.get("nodes"); // ListBase
var bllinks = nodetree.get("links"); // bNodeLink
// Look for Principled BSDF node
var node: Dynamic = blnodes.get("first", 0, "bNode");
var last = blnodes.get("last", 0, "bNode");
while (true) {
if (node.get("idname") == "ShaderNodeBsdfPrincipled") break;
if (node.get("name") == last.get("name")) break;
node = node.get("next");
}
if (node.get("idname") != "ShaderNodeBsdfPrincipled") {
Log.error("Error: No Principled BSDF node found");
continue;
}
// Use Principled BSDF as material output
nout.name = node.get("name");
nout.x = node.get("locx") + 400;
nout.y = -node.get("locy") + 400;
// Place nodes
var node: Dynamic = blnodes.get("first", 0, "bNode");
while (true) {
// Search for node in list
var search = node.get("idname").substr(10).toLowerCase();
var base: TNode = null;
for (list in NodesMaterial.list) {
var found = false;
for (n in list) {
var s = n.type.replace("_", "").toLowerCase();
if (search == s) {
base = n;
found = true;
break;
}
}
if (found) break;
}
if (base != null) {
var n = UINodes.makeNode(base, nodes, canvas);
n.x = node.get("locx") + 400;
n.y = -node.get("locy") + 400;
n.name = node.get("name");
// Fill input socket values
var inputs = node.get("inputs");
var sock: Dynamic = inputs.get("first", 0, "bNodeSocket");
var pos = 0;
while (true) {
if (pos >= n.inputs.length) break;
n.inputs[pos].default_value = readBlendSocket(sock);
var last = sock;
sock = sock.get("next");
if (last.block == sock.block) break;
pos++;
}
// Fill button values
if (search == "teximage") {
var img = node.get("id", 0, "Image");
var file: String = img.get("name").substr(2); // '//desktop\logo.png'
file = Path.baseDir(path) + file;
ImportTexture.run(file);
var ar = file.split(Path.sep);
var filename = ar[ar.length - 1];
n.buttons[0].default_value = App.getAssetIndex(filename);
}
else if (search == "valtorgb") {
var ramp: Dynamic = node.get("storage", 0, "ColorBand");
n.buttons[0].data = ramp.get("ipotype") == 0 ? 0 : 1; // Linear / Constant
var elems: Array<Array<Float>> = n.buttons[0].default_value;
for (i in 0...ramp.get("tot")) {
if (i >= elems.length) elems.push([1.0, 1.0, 1.0, 1.0, 0.0]);
var cbdata: Dynamic = ramp.get("data", i, "CBData");
elems[i][0] = Std.int(cbdata.get("r") * 100) / 100;
elems[i][1] = Std.int(cbdata.get("g") * 100) / 100;
elems[i][2] = Std.int(cbdata.get("b") * 100) / 100;
elems[i][3] = Std.int(cbdata.get("a") * 100) / 100;
elems[i][4] = Std.int(cbdata.get("pos") * 100) / 100;
}
}
else if (search == "mixrgb" || search == "math") {
n.buttons[0].default_value = node.get("custom1");
n.buttons[1].default_value = node.get("custom2") & 2;
}
else if (search == "mapping") {
var storage = node.get("storage", 0, "TexMapping");
n.buttons[0].default_value = storage.get("loc");
n.buttons[1].default_value = storage.get("rot");
n.buttons[2].default_value = storage.get("size");
// var mat = storage.get("mat"); float[4][4]
// storage.flag & 1 // use_min
// storage.flag & 2 // use_max
// storage.min[0]
// storage.min[1]
// storage.min[2]
// storage.max[0]
// storage.max[1]
// storage.max[2]
}
// Fill output socket values
var outputs = node.get("outputs");
var sock: Dynamic = outputs.get("first", 0, "bNodeSocket");
var pos = 0;
while (true) {
if (pos >= n.outputs.length) break;
n.outputs[pos].default_value = readBlendSocket(sock);
var last = sock;
sock = sock.get("next");
if (last.block == sock.block) break;
pos++;
}
canvas.nodes.push(n);
}
if (node.get("name") == last.get("name")) break;
node = node.get("next");
}
// Place links
var link: Dynamic = bllinks.get("first", 0, "bNodeLink");
while (true) {
var fromnode = link.get("fromnode").get("name");
var tonode = link.get("tonode").get("name");
var fromsock = link.get("fromsock");
var tosock = link.get("tosock");
var from_id = -1;
var to_id = -1;
for (n in canvas.nodes) if (n.name == fromnode) { from_id = n.id; break; }
for (n in canvas.nodes) if (n.name == tonode) { to_id = n.id; break; }
if (from_id >= 0 && to_id >= 0) {
var from_socket = 0;
var sock: Dynamic = fromsock;
while (true) {
var last = sock;
sock = sock.get("prev");
if (last.block == sock.block) break;
from_socket++;
}
var to_socket = 0;
var sock: Dynamic = tosock;
while (true) {
var last = sock;
sock = sock.get("prev");
if (last.block == sock.block) break;
to_socket++;
}
var valid = true;
// Remap principled
if (tonode == nout.name) {
if (to_socket == 0) to_socket = 0; // Base
else if (to_socket == 18) to_socket = 1; // Opac
else if (to_socket == 7) to_socket = 3; // Rough
else if (to_socket == 4) to_socket = 4; // Met
else if (to_socket == 19) to_socket = 5; // TODO: auto-remove normal_map node
else if (to_socket == 17) to_socket = 6; // Emis
else if (to_socket == 1) to_socket = 8; // Subs
else valid = false;
}
if (valid) {
var raw: TNodeLink = {
id: nodes.getLinkId(canvas.links),
from_id: from_id,
from_socket: from_socket,
to_id: to_id,
to_socket: to_socket
};
canvas.links.push(raw);
}
}
var last = link;
link = link.get("next");
if (last.block == link.block) break;
}
}
function _init() {
for (m in imported) {
Context.setMaterial(m);
MakeMaterial.parsePaintMaterial();
RenderUtil.makeMaterialPreview();
}
}
iron.App.notifyOnInit(_init);
UISidebar.inst.hwnd1.redraws = 2;
Data.deleteBlob(path);
});
}
static function readBlendSocket(sock: Dynamic): Dynamic {
var idname = sock.get("idname");
if (idname.startsWith("NodeSocketVector")) {
var v: Dynamic = sock.get("default_value", 0, "bNodeSocketValueVector").get("value");
v[0] = Std.int(v[0] * 100) / 100;
v[1] = Std.int(v[1] * 100) / 100;
v[2] = Std.int(v[2] * 100) / 100;
return v;
}
else if (idname.startsWith("NodeSocketColor")) {
var v: Dynamic = sock.get("default_value", 0, "bNodeSocketValueRGBA").get("value");
v[0] = Std.int(v[0] * 100) / 100;
v[1] = Std.int(v[1] * 100) / 100;
v[2] = Std.int(v[2] * 100) / 100;
v[3] = Std.int(v[3] * 100) / 100;
return v;
}
else if (idname.startsWith("NodeSocketFloat")) {
var v: Dynamic = sock.get("default_value", 0, "bNodeSocketValueFloat").get("value");
v = Std.int(v * 100) / 100;
return v;
}
else if (idname.startsWith("NodeSocketInt")) {
return sock.get("default_value", 0, "bNodeSocketValueInt").get("value");
}
else if (idname.startsWith("NodeSocketBoolean")) {
return sock.get("default_value", 0, "bNodeSocketValueBoolean").get("value");
}
else if (idname.startsWith("NodeSocketString")) {
return sock.get("default_value", 0, "bNodeSocketValueString").get("value");
}
return null;
}
}
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