fix > 65k verts

This commit is contained in:
RandomityGuy 2024-07-01 19:39:32 +05:30
parent 1706c16540
commit c07083f400
2 changed files with 98 additions and 89 deletions

View file

@ -581,12 +581,18 @@ class DifBuilder {
}
}
}
var mats = new Map<String, Array<DifBuilderTriangle>>();
var mats = new Map<String, Array<Array<DifBuilderTriangle>>>();
for (index => value in triangles) {
if (mats.exists(value.texture)) {
mats[value.texture].push(value);
var arr = mats[value.texture];
if (arr[arr.length - 1].length >= Math.floor(65535 / 3)) {
var newArr = [value];
arr.push(newArr);
} else {
mats.set(value.texture, [value]);
arr[arr.length - 1].push(value);
}
} else {
mats.set(value.texture, [[value]]);
}
}
collider.finalize();
@ -674,10 +680,10 @@ class DifBuilder {
});
var prim = new Polygon();
var materials = [];
for (grp => tris in mats) {
for (grp => trigroup in mats) {
for (tris in trigroup) {
var points = [];
var normals = [];
var uvs = [];
@ -702,6 +708,13 @@ class DifBuilder {
uvs.push(uv1);
}
if (prim.vertexCount() + points.length > 65535) {
prim.endPrimitive();
var mesh = new MultiMaterial(prim, materials, itr);
materials = [];
prim = new Polygon();
}
prim.addPoints(points);
prim.addUVs(uvs);
prim.addNormals(normals);
@ -750,6 +763,7 @@ class DifBuilder {
material.mainPass.wireframe = true;
materials.push(material);
}
}
prim.endPrimitive();
var mesh = new MultiMaterial(prim, materials, itr);

View file

@ -9,7 +9,7 @@ class Polygon extends MeshPrimitive {
public var normals:Array<Float>;
public var tangents:Array<Float>;
public var uvs:Array<Float>;
public var idx:hxd.IndexBuffer;
public var indexStarts:Array<Int>;
public var indexCounts:Array<Int>;
@ -18,10 +18,9 @@ class Polygon extends MeshPrimitive {
var bounds:h3d.col.Bounds;
public function new(?idx) {
public function new() {
this.indexStarts = [0];
this.indexCounts = [];
this.idx = idx;
this.points = [];
this.uvs = [];
this.normals = [];
@ -121,7 +120,6 @@ class Polygon extends MeshPrimitive {
}
}
var flags:Array<h3d.Buffer.BufferFlag> = [];
if (idx == null)
flags.push(Triangles);
if (normals == null || tangents != null)
flags.push(RawFormat);
@ -130,8 +128,13 @@ class Polygon extends MeshPrimitive {
for (i in 0...names.length)
addBuffer(names[i], buffer, positions[i]);
if (idx != null)
indexes = h3d.Indexes.alloc(idx);
if (indexes == null && Std.int(points.length / 3) > 65535) {
var indices = new haxe.io.BytesOutput();
for (i in 0...Std.int(points.length / 3))
indices.writeInt32(i);
indexes = new h3d.Indexes(indices.length >> 2, true);
indexes.uploadBytes(indices.getBytes(), 0, indices.length >> 2);
}
}
public function addTangents() {
@ -141,15 +144,9 @@ class Polygon extends MeshPrimitive {
var pos = 0;
for (i in 0...triCount()) {
var i0, i1, i2;
if (idx == null) {
i0 = pos++;
i1 = pos++;
i2 = pos++;
} else {
i0 = idx[pos++];
i1 = idx[pos++];
i2 = idx[pos++];
}
var p0 = new Vector(points[i0 * 3], points[i0 * 3 + 1], points[i0 * 3 + 2]);
var p1 = new Vector(points[i1 * 3], points[i1 * 3 + 1], points[i1 * 3 + 2]);
var p2 = new Vector(points[i2 * 3], points[i2 * 3 + 1], points[i2 * 3 + 2]);
@ -192,7 +189,7 @@ class Polygon extends MeshPrimitive {
var n = super.triCount();
if (n != 0)
return n;
return Std.int((idx == null ? points.length / 3 : idx.length) / 3);
return Std.int(points.length / 3);
}
override function vertexCount() {
@ -212,9 +209,7 @@ class Polygon extends MeshPrimitive {
alloc(engine);
var bufs = getBuffers(engine);
if (indexes != null)
engine.renderMultiBuffers(bufs, indexes);
else if (buffer.flags.has(Quads))
engine.renderMultiBuffers(bufs, engine.mem.quadIndexes, 0, triCount());
engine.renderMultiBuffers(bufs, indexes, indexStarts[currentMaterial], indexCounts[currentMaterial]);
else
engine.renderMultiBuffers(bufs, engine.mem.triIndexes, indexStarts[currentMaterial], indexCounts[currentMaterial]);
}