edgevoid/armorpaint
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

Turn stl importer into plugin

Browse Source
This commit is contained in:
luboslenco
2019-12-25 13:00:22 +01:00
parent e0f79fe80d
commit 318b034019
6 changed files with 76 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Assets/plugins/import_stl.js
+74
View File
@@ -0,0 +1,74 @@
let import_stl = function(path, done) {
iron.Data.getBlob(path, function(b) {
let input = new arm.BytesInput(b.bytes);
let header = input.read(80);
if (header.getString(0, 5) == "solid") {
return; // ascii not supported
}
let faces = input.readInt32();
let posTemp = new Float32Array(faces * 9);
let norTemp = new Float32Array(faces * 3);
for (let i = 0; i < faces; ++i) {
let i3 = i * 3;
norTemp[i3 ] = input.readFloat();
norTemp[i3 + 1] = input.readFloat();
norTemp[i3 + 2] = input.readFloat();
let i9 = i * 9;
posTemp[i9 ] = input.readFloat();
posTemp[i9 + 1] = input.readFloat();
posTemp[i9 + 2] = input.readFloat();
posTemp[i9 + 3] = input.readFloat();
posTemp[i9 + 4] = input.readFloat();
posTemp[i9 + 5] = input.readFloat();
posTemp[i9 + 6] = input.readFloat();
posTemp[i9 + 7] = input.readFloat();
posTemp[i9 + 8] = input.readFloat();
input.readInt16(); // attribute
}
let scalePos = 0.0;
for (let i = 0; i < posTemp.length; ++i) {
let f = Math.abs(posTemp[i]);
if (scalePos < f) scalePos = f;
}
let inv = 32767 * (1 / scalePos);
let verts = posTemp.length / 3;
let posa = new Int16Array(verts * 4);
let nora = new Int16Array(verts * 2);
let inda = new Uint32Array(verts);
for (let i = 0; i < verts; ++i) {
posa[i * 4 ] = posTemp[i * 3 ] * inv;
posa[i * 4 + 1] = -posTemp[i * 3 + 2] * inv;
posa[i * 4 + 2] = posTemp[i * 3 + 1] * inv;
nora[i * 2 ] = norTemp[i ] * 32767;
nora[i * 2 + 1] = -norTemp[i + 2] * 32767;
posa[i * 4 + 3] = norTemp[i + 1] * 32767;
inda[i] = i;
}
let name = path.split("\\").pop().split("/").pop().split(".").shift();
done({
name: name,
posa: posa,
nora: nora,
inda: inda,
scale_pos: scalePos,
scale_tex: 1.0
});
iron.Data.deleteBlob(path);
});
}
let plugin = new arm.Plugin();
let formats = arm.Path.meshFormats;
let importers = arm.Path.meshImporters;
formats.push("stl");
importers.h["stl"] = import_stl;
plugin.delete = function() {
formats.splice(formats.indexOf("stl"), 1);
importers.h["stl"] = null;
};
Sources/arm/Plugin.hx
+1
View File
@@ -61,6 +61,7 @@ class ArmBridge {
public static var ReflectSetField = Reflect.setField;
public static var StdIs = Std.is;
public static var Bytes = haxe.io.Bytes;
public static var BytesInput = haxe.io.BytesInput;
public static var Blob = kha.Blob;
public static var Image = kha.Image;
public static var Scheduler = kha.Scheduler;
Sources/arm/format/StlParser.hx
-65
View File
@@ -1,65 +0,0 @@
package arm.format;
class StlParser {
public var posa: kha.arrays.Int16Array = null;
public var nora: kha.arrays.Int16Array = null;
public var texa: kha.arrays.Int16Array = null;
public var inda: kha.arrays.Uint32Array = null;
public var scalePos = 1.0;
public var scaleTex = 1.0;
public var name = "";
public var hasNext = false;
public var pos = 0;
public function new(blob: kha.Blob) {
var bytes = blob.bytes;
var input = new haxe.io.BytesInput(bytes);
var header = input.read(80);
if (header.getString(0, 5) == "solid") {
return; // ascii not supported
}
var faces = input.readInt32();
var posTemp = new kha.arrays.Float32Array(faces * 9);
var norTemp = new kha.arrays.Float32Array(faces * 3);
for (i in 0...faces) {
var i3 = i * 3;
norTemp[i3 ] = input.readFloat();
norTemp[i3 + 1] = input.readFloat();
norTemp[i3 + 2] = input.readFloat();
var i9 = i * 9;
posTemp[i9 ] = input.readFloat();
posTemp[i9 + 1] = input.readFloat();
posTemp[i9 + 2] = input.readFloat();
posTemp[i9 + 3] = input.readFloat();
posTemp[i9 + 4] = input.readFloat();
posTemp[i9 + 5] = input.readFloat();
posTemp[i9 + 6] = input.readFloat();
posTemp[i9 + 7] = input.readFloat();
posTemp[i9 + 8] = input.readFloat();
input.readInt16(); // attribute
}
scalePos = 0.0;
for (i in 0...posTemp.length) {
var f = Math.abs(posTemp[i]);
if (scalePos < f) scalePos = f;
}
var inv = 32767 * (1 / scalePos);
var verts = Std.int(posTemp.length / 3);
posa = new kha.arrays.Int16Array(verts * 4);
nora = new kha.arrays.Int16Array(verts * 2);
inda = new kha.arrays.Uint32Array(verts);
for (i in 0...verts) {
posa[i * 4 ] = Std.int( posTemp[i * 3 ] * inv);
posa[i * 4 + 1] = Std.int(-posTemp[i * 3 + 2] * inv);
posa[i * 4 + 2] = Std.int( posTemp[i * 3 + 1] * inv);
nora[i * 2 ] = Std.int( norTemp[i ] * 32767);
nora[i * 2 + 1] = Std.int(-norTemp[i + 2] * 32767);
posa[i * 4 + 3] = Std.int( norTemp[i + 1] * 32767);
inda[i] = i;
}
}
}
Sources/arm/io/ImportMesh.hx
-1
View File
@@ -35,7 +35,6 @@ class ImportMesh {
var p = path.toLowerCase();
if (p.endsWith(".obj")) ImportObj.run(path);
else if (p.endsWith(".fbx")) ImportFbx.run(path);
else if (p.endsWith(".stl")) ImportStl.run(path);
else if (p.endsWith(".blend")) ImportBlend.run(path);
else {
var ext = path.substr(path.lastIndexOf(".") + 1);
Sources/arm/io/ImportStl.hx
-20
View File
@@ -1,20 +0,0 @@
package arm.io;
import kha.Blob;
import iron.data.Data;
import arm.format.StlParser;
using StringTools;
class ImportStl {
public static function run(path: String) {
Data.getBlob(path, function(b: Blob) {
var obj = new StlParser(b);
var p = path.replace("\\", "/");
var index = p.lastIndexOf("/");
obj.name = p.substring(index >= 0 ? index + 1 : 0, p.length - 4);
ImportMesh.makeMesh(obj, path);
Data.deleteBlob(path);
});
}
}
Sources/arm/sys/Path.hx
+1 -1
View File
@@ -11,7 +11,7 @@ class Path {
public static var sep = "/";
#end
public static var meshFormats = ["obj", "fbx", "stl", "blend"];
public static var meshFormats = ["obj", "fbx", "blend"];
public static var textureFormats = ["jpg", "jpeg", "png", "tga", "bmp", "psd", "gif", "hdr"];
public static var meshImporters = new Map<String, String->(Dynamic->Void)->Void>();