mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 06:23:55 +01:00
307 lines
7.2 KiB
Plaintext
307 lines
7.2 KiB
Plaintext
function readObj_init(_scale = 1) {
|
|
obj_reading = true;
|
|
obj_read_progress = 0;
|
|
obj_read_prog_sub = 0;
|
|
obj_read_prog_tot = 3;
|
|
obj_raw = noone;
|
|
|
|
obj_reading_scale = _scale;
|
|
|
|
_VB = [];
|
|
_VBT = [];
|
|
_VBN = [];
|
|
mats = [];
|
|
|
|
matIndex = [];
|
|
tris = [];
|
|
mtlPath = "";
|
|
use_material = false;
|
|
use_normal = true;
|
|
|
|
v = ds_list_create();
|
|
vt = ds_list_create();
|
|
vn = ds_list_create();
|
|
f = ds_list_create();
|
|
ft = ds_list_create();
|
|
fn = ds_list_create();
|
|
tri = 0;
|
|
}
|
|
|
|
function readObj_file() {
|
|
var _time = current_time;
|
|
|
|
while(!file_text_eof(obj_read_file)) { #region reading file
|
|
var l = file_text_readln(obj_read_file);
|
|
l = string_trim(l);
|
|
|
|
var sep = string_split(l, " ", true);
|
|
if(array_length(sep) == 0) continue;
|
|
|
|
switch(sep[0]) {
|
|
case "v" :
|
|
ds_list_add(v, [
|
|
toNumber(sep[1]) * obj_reading_scale,
|
|
toNumber(sep[2]) * obj_reading_scale,
|
|
toNumber(sep[3]) * obj_reading_scale
|
|
]);
|
|
break;
|
|
|
|
case "vt" :
|
|
var _u = toNumber(sep[1]);
|
|
var _v = toNumber(sep[2]);
|
|
|
|
ds_list_add(vt, [ _u, _v ]);
|
|
break;
|
|
|
|
case "vn" :
|
|
var _nx = toNumber(sep[1]);
|
|
var _ny = toNumber(sep[2]);
|
|
var _nz = toNumber(sep[3]);
|
|
|
|
ds_list_add(vn, [ _nx, _ny, _nz ]);
|
|
break;
|
|
|
|
case "f" :
|
|
var _len = array_length(sep);
|
|
var _f = array_create(_len - 1);
|
|
var _ft = array_create(_len - 1);
|
|
var _fn = array_create(_len - 1);
|
|
|
|
for( var i = 1; i < _len; i++ ) {
|
|
var _sp = string_split(sep[i], "/");
|
|
if(array_length(_sp) < 3) continue;
|
|
|
|
_f[i - 1] = toNumber(_sp[0]);
|
|
_ft[i - 1] = toNumber(_sp[1]);
|
|
_fn[i - 1] = toNumber(_sp[2]);
|
|
|
|
use_normal = array_length(_sp) >= 4;
|
|
}
|
|
|
|
tri += _len - 2;
|
|
ds_list_add(f, _f ); //get position
|
|
ds_list_add(ft, _ft); //get texture map
|
|
ds_list_add(fn, _fn); //get normal
|
|
break;
|
|
|
|
case "usemtl" :
|
|
use_material = true;
|
|
var mname = "";
|
|
for( var i = 1; i < array_length(sep); i++ )
|
|
mname += (i == 1? "" : " ") + sep[i];
|
|
mname = string_trim(mname);
|
|
|
|
array_push_unique(mats, mname);
|
|
array_push(matIndex, array_find(mats, mname));
|
|
|
|
if(!ds_list_empty(f)) {
|
|
array_push(_VB, f);
|
|
array_push(_VBT, ft);
|
|
array_push(_VBN, fn);
|
|
array_push(tris, tri);
|
|
f = ds_list_create();
|
|
ft = ds_list_create();
|
|
fn = ds_list_create();
|
|
}
|
|
|
|
tri = 0;
|
|
break;
|
|
|
|
case "mtllib" :
|
|
mtlPath = "";
|
|
for( var i = 1; i < array_length(sep); i++ )
|
|
mtlPath += (i == 1? "" : " ") + sep[i];
|
|
mtlPath = string_trim(mtlPath);
|
|
break;
|
|
|
|
case "o" :
|
|
//print("Reading vertex group: " + sep[1])
|
|
break;
|
|
}
|
|
|
|
if(current_time - _time > 30) return;
|
|
} #endregion
|
|
|
|
if(!ds_list_empty(f)) {
|
|
array_push(_VB, f);
|
|
array_push(_VBT, ft);
|
|
array_push(_VBN, fn);
|
|
array_push(tris, tri);
|
|
}
|
|
file_text_close(obj_read_file);
|
|
|
|
if(use_normal) vn[| 0] = [ 0, 0, 0 ];
|
|
|
|
obj_read_progress = 1;
|
|
obj_read_prog_sub = 0;
|
|
|
|
//var txt = "OBJ summary";
|
|
//txt += $"\n\tVerticies : {ds_list_size(v)}";
|
|
//txt += $"\n\tTexture Verticies : {ds_list_size(vt)}";
|
|
//txt += $"\n\tNormal Verticies : {ds_list_size(vn)}";
|
|
//txt += $"\n\tVertex groups : {array_length(_VB)}";
|
|
//txt += $"\n\tTriangles : {tris}";
|
|
//print(txt);
|
|
}
|
|
|
|
function readObj_cent() {
|
|
#region centralize vertex
|
|
var _v0 = v[| 0];
|
|
var _bminx = _v0[0];
|
|
var _bminy = _v0[1];
|
|
var _bminz = _v0[2];
|
|
|
|
var _bmaxx = _v0[0];
|
|
var _bmaxy = _v0[1];
|
|
var _bmaxz = _v0[2];
|
|
|
|
var cvx = 0;
|
|
var cvy = 0;
|
|
var cvz = 0;
|
|
|
|
vertex = ds_list_size(v);
|
|
|
|
for( var i = 0; i < vertex; i++ ) {
|
|
var _v = v[| i];
|
|
var _v0 = _v[0];
|
|
var _v1 = _v[1];
|
|
var _v2 = _v[2];
|
|
|
|
cvx += _v0;
|
|
cvy += _v1;
|
|
cvz += _v2;
|
|
|
|
_bminx = min(_bminx, _v0);
|
|
_bminy = min(_bminy, _v1);
|
|
_bminz = min(_bminz, _v2);
|
|
|
|
_bmaxx = max(_bmaxx, _v0);
|
|
_bmaxy = max(_bmaxy, _v1);
|
|
_bmaxz = max(_bmaxz, _v2);
|
|
}
|
|
|
|
cvx /= vertex;
|
|
cvy /= vertex;
|
|
cvz /= vertex;
|
|
|
|
obj_size = new __vec3(
|
|
_bmaxx - _bminx,
|
|
_bmaxy - _bminy,
|
|
_bmaxz - _bminz,
|
|
);
|
|
|
|
for( var i = 0; i < vertex; i++ ) {
|
|
var _v = v[| i];
|
|
|
|
_v[0] = _v[0] - cvx;
|
|
_v[1] = _v[1] - cvy;
|
|
_v[2] = _v[2] - cvz;
|
|
}
|
|
#endregion
|
|
|
|
obj_read_progress = 2;
|
|
obj_read_prog_sub = 0;
|
|
}
|
|
|
|
function readObj_buff() {
|
|
#region vertex buffer creation
|
|
var _vblen = array_length(_VB);
|
|
var VBS = array_create(_vblen);
|
|
var V = array_create(_vblen);
|
|
|
|
for(var i = 0; i < _vblen; i++) {
|
|
var VB = vertex_create_buffer();
|
|
vertex_begin(VB, global.VF_POS_NORM_TEX_COL);
|
|
var face = _VB[i];
|
|
var facet = _VBT[i];
|
|
var facen = _VBN[i];
|
|
|
|
var _flen = ds_list_size(face);
|
|
var _v = ds_list_create();
|
|
|
|
for(var j = 0; j < _flen; j++) {
|
|
var _f = face[| j];
|
|
var _ft = facet[| j];
|
|
var _fn = facen[| j];
|
|
|
|
var _vlen = array_length(_f);
|
|
var _pf = array_create(_vlen);
|
|
var _pft = array_create(_vlen);
|
|
var _pfn = array_create(_vlen);
|
|
|
|
for( var k = 0; k < _vlen; k++ ) {
|
|
var _vPindex = _f[k] - 1;
|
|
_pf[k] = v[| _vPindex];
|
|
|
|
var _vNindex = _fn[k] - 1;
|
|
_pfn[k] = vn[| _vNindex];
|
|
|
|
var _vTindex = _ft[k] - 1;
|
|
_pft[k] = vt[| _vTindex];
|
|
}
|
|
|
|
var _pf0 = _pf[0], _pf1 = _pf[1], _pf2 = _pf[2];
|
|
var _pfn0 = _pfn[0], _pfn1 = _pfn[1], _pfn2 = _pfn[2];
|
|
var _pft0 = _pft[0], _pft1 = _pft[1], _pft2 = _pft[2];
|
|
|
|
if(_vlen >= 3) {
|
|
vertex_add_pntc(VB, _pf0, _pfn0, _pft0);
|
|
vertex_add_pntc(VB, _pf2, _pfn2, _pft2);
|
|
vertex_add_pntc(VB, _pf1, _pfn1, _pft1);
|
|
|
|
ds_list_add(_v, new __vertex(_pf0[0], _pf0[1], _pf0[2]).setNormal(_pfn0[0], _pfn0[1]).setUV(_pft0[0], _pft0[1]));
|
|
ds_list_add(_v, new __vertex(_pf2[0], _pf2[1], _pf2[2]).setNormal(_pfn2[0], _pfn2[1]).setUV(_pft2[0], _pft2[1]));
|
|
ds_list_add(_v, new __vertex(_pf1[0], _pf1[1], _pf1[2]).setNormal(_pfn1[0], _pfn1[1]).setUV(_pft1[0], _pft1[1]));
|
|
}
|
|
|
|
if(_vlen >= 4) {
|
|
var _pf3 = _pf[3];
|
|
var _pfn3 = _pfn[3];
|
|
var _pft3 = _pft[3];
|
|
|
|
vertex_add_pntc(VB, _pf0, _pfn0, _pft0);
|
|
vertex_add_pntc(VB, _pf3, _pfn3, _pft3);
|
|
vertex_add_pntc(VB, _pf2, _pfn2, _pft2);
|
|
|
|
ds_list_add(_v, new __vertex(_pf0[0], _pf0[1], _pf0[2]).setNormal(_pfn0[0], _pfn0[1]).setUV(_pft0[0], _pft0[1]));
|
|
ds_list_add(_v, new __vertex(_pf3[0], _pf3[1], _pf3[2]).setNormal(_pfn3[0], _pfn3[1]).setUV(_pft3[0], _pft3[1]));
|
|
ds_list_add(_v, new __vertex(_pf2[0], _pf2[1], _pf2[2]).setNormal(_pfn2[0], _pfn2[1]).setUV(_pft2[0], _pft2[1]));
|
|
}
|
|
}
|
|
|
|
vertex_end(VB);
|
|
vertex_freeze(VB);
|
|
|
|
VBS[i] = VB;
|
|
V[i] = ds_list_to_array(_v);
|
|
ds_list_destroy(_v);
|
|
}
|
|
#endregion
|
|
|
|
#region clean
|
|
array_foreach(_VB, function(val, ind) { ds_list_destroy(val); });
|
|
array_foreach(_VBT, function(val, ind) { ds_list_destroy(val); });
|
|
array_foreach(_VBN, function(val, ind) { ds_list_destroy(val); });
|
|
|
|
ds_list_destroy(v);
|
|
ds_list_destroy(vn);
|
|
ds_list_destroy(vt);
|
|
#endregion
|
|
|
|
obj_read_progress = 3;
|
|
obj_read_prog_sub = 0;
|
|
|
|
obj_raw = {
|
|
vertex: V,
|
|
vertex_count: vertex,
|
|
vertex_groups: VBS,
|
|
object_counts: _vblen,
|
|
|
|
use_material: use_material,
|
|
materials: mats,
|
|
material_index: matIndex,
|
|
use_normal: use_normal,
|
|
mtl_path: mtlPath,
|
|
model_size: obj_size,
|
|
};
|
|
} |