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Improve obj exporter

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This commit is contained in:
luboslenco
2020-03-26 21:41:00 +01:00
parent 8e99ffe011
commit 4c9e6e4f21
2 changed files with 50 additions and 17 deletions
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Sources/arm/io/ExportObj.hx
+44 -14
View File
@@ -1,6 +1,7 @@
package arm.io;
import haxe.io.Bytes;
import haxe.io.BytesOutput;
class ExportObj {
@@ -9,7 +10,9 @@ class ExportObj {
var height = applyDisplacement ? Project.layers[0].texpaint_pack.getPixels() : null;
var res = Project.layers[0].texpaint_pack.width;
var s = "";
var o = new BytesOutput();
o.bigEndian = false;
var off = 0;
for (p in Project.paintObjects) {
var mesh = p.data.raw;
@@ -23,20 +26,31 @@ class ExportObj {
// if (applyDisplacement) {
// }
s += "o " + p.name + "\n";
o.writeString("o " + p.name + "\n");
for (i in 0...len) {
s += "v " + posa[i * 4 ] * sc + " " +
posa[i * 4 + 2] * sc + " " +
(-posa[i * 4 + 1] * sc) + "\n";
o.writeString("v ");
o.writeString(posa[i * 4] * sc + "");
o.writeString(" ");
o.writeString(posa[i * 4 + 2] * sc + "");
o.writeString(" ");
o.writeString(-posa[i * 4 + 1] * sc + "");
o.writeString("\n");
}
for (i in 0...len) {
s += "vn " + nora[i * 2 ] * inv + " " +
posa[i * 4 + 3] * inv + " " +
(-nora[i * 2 + 1] * inv) + "\n";
o.writeString("vn ");
o.writeString(nora[i * 2] * inv + "");
o.writeString(" ");
o.writeString(posa[i * 4 + 3] * inv + "");
o.writeString(" ");
o.writeString(-nora[i * 2 + 1] * inv + "");
o.writeString("\n");
}
for (i in 0...len) {
s += "vt " + texa[i * 2 ] * inv + " " +
(1.0 - texa[i * 2 + 1] * inv) + "\n";
o.writeString("vt ");
o.writeString(texa[i * 2] * inv + "");
o.writeString(" ");
o.writeString(1.0 - texa[i * 2 + 1] * inv + "");
o.writeString("\n");
}
var inda = mesh.index_arrays[0].values;
@@ -44,15 +58,31 @@ class ExportObj {
var i1 = inda[i * 3 ] + 1 + off;
var i2 = inda[i * 3 + 1] + 1 + off;
var i3 = inda[i * 3 + 2] + 1 + off;
s += "f " + i1 + "/" + i1 + "/" + i1 + " " +
i2 + "/" + i2 + "/" + i2 + " " +
i3 + "/" + i3 + "/" + i3 + "\n";
o.writeString("f ");
o.writeString(i1 + "");
o.writeString("/");
o.writeString(i1 + "");
o.writeString("/");
o.writeString(i1 + "");
o.writeString(" ");
o.writeString(i2 + "");
o.writeString("/");
o.writeString(i2 + "");
o.writeString("/");
o.writeString(i2 + "");
o.writeString(" ");
o.writeString(i3 + "");
o.writeString("/");
o.writeString(i3 + "");
o.writeString("/");
o.writeString(i3 + "");
o.writeString("\n");
}
off += inda.length;
}
if (!path.endsWith(".obj")) path += ".obj";
Krom.fileSaveBytes(path, Bytes.ofString(s).getData());
Krom.fileSaveBytes(path, o.getBytes().getData());
}
}
Sources/arm/ui/BoxExport.hx
+6 -3
View File
@@ -194,9 +194,12 @@ class BoxExport {
var applyDisplacement = ui.check(Id.handle(), tr("Apply Displacement"));
var mesh = Context.paintObject.data.raw;
var inda = mesh.index_arrays[0].values;
var tris = Std.int(inda.length / 3);
var tris = 0;
for (po in Project.paintObjects) {
for (inda in po.data.raw.index_arrays) {
tris += Std.int(inda.values.length / 3);
}
}
ui.text(tris + " triangles");
ui.row([0.5, 0.5]);