Format
This commit is contained in:
luboslenco
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function export_obj_write_string(out: i32[], str: string) {
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for (let i: i32 = 0; i < str.length; ++i) {
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out.push(str.charCodeAt(i));
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}
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}
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function export_obj_run(path: string, paint_objects: mesh_object_t[], apply_disp: bool = false) {
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let o: i32[] = [];
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export_obj_write_string(o, "# armorpaint.org\n");
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let poff: i32 = 0;
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let noff: i32 = 0;
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let toff: i32 = 0;
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for (let p of paint_objects) {
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let mesh: mesh_data_t = p.data;
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let inv: f32 = 1 / 32767;
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let sc: f32 = p.data.scale_pos * inv;
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let posa: i16_array_t = mesh.vertex_arrays[0].values;
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let nora: i16_array_t = mesh.vertex_arrays[1].values;
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let texa: i16_array_t = mesh.vertex_arrays[2].values;
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let len: i32 = math_floor(posa.length / 4);
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// Merge shared vertices and remap indices
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let posa2: Int16Array = new Int16Array(len * 3);
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let nora2: Int16Array = new Int16Array(len * 3);
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let texa2: Int16Array = new Int16Array(len * 2);
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let posmap: map_t<i32, i32> = map_create();
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let normap: map_t<i32, i32> = map_create();
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let texmap: map_t<i32, i32> = map_create();
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let pi: i32 = 0;
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let ni: i32 = 0;
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let ti: i32 = 0;
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for (let i: i32 = 0; i < len; ++i) {
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let found: bool = false;
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for (let j: i32 = 0; j < pi; ++j) {
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if (posa2[j * 3 ] == posa[i * 4 ] &&
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posa2[j * 3 + 1] == posa[i * 4 + 1] &&
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posa2[j * 3 + 2] == posa[i * 4 + 2]) {
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posmap.set(i, j);
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found = true;
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break;
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}
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}
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if (!found) {
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posmap.set(i, pi);
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posa2[pi * 3 ] = posa[i * 4 ];
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posa2[pi * 3 + 1] = posa[i * 4 + 1];
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posa2[pi * 3 + 2] = posa[i * 4 + 2];
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pi++;
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}
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found = false;
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for (let j: i32 = 0; j < ni; ++j) {
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if (nora2[j * 3 ] == nora[i * 2 ] &&
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nora2[j * 3 + 1] == nora[i * 2 + 1] &&
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nora2[j * 3 + 2] == posa[i * 4 + 3]) {
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normap.set(i, j);
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found = true;
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break;
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}
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}
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if (!found) {
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normap.set(i, ni);
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nora2[ni * 3 ] = nora[i * 2 ];
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nora2[ni * 3 + 1] = nora[i * 2 + 1];
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nora2[ni * 3 + 2] = posa[i * 4 + 3];
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ni++;
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}
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found = false;
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for (let j: i32 = 0; j < ti; ++j) {
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if (texa2[j * 2 ] == texa[i * 2 ] &&
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texa2[j * 2 + 1] == texa[i * 2 + 1]) {
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texmap.set(i, j);
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found = true;
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break;
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}
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}
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if (!found) {
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texmap.set(i, ti);
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texa2[ti * 2 ] = texa[i * 2 ];
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texa2[ti * 2 + 1] = texa[i * 2 + 1];
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ti++;
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}
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}
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if (apply_disp) {
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// let height: buffer_t = layers[0].texpaint_pack.getPixels();
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// let res: i32 = layers[0].texpaint_pack.width;
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// let strength: f32 = 0.1;
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// for (let i: i32 = 0; i < len; ++i) {
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// let x: i32 = math_floor(texa2[i * 2 ] / 32767 * res);
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// let y: i32 = math_floor((1.0 - texa2[i * 2 + 1] / 32767) * res);
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// let h: f32 = (1.0 - height.get((y * res + x) * 4 + 3) / 255) * strength;
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// posa2[i * 3 ] -= math_floor(nora2[i * 3 ] * inv * h / sc);
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// posa2[i * 3 + 1] -= math_floor(nora2[i * 3 + 1] * inv * h / sc);
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// posa2[i * 3 + 2] -= math_floor(nora2[i * 3 + 2] * inv * h / sc);
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// }
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}
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export_obj_write_string(o, "o " + p.base.name + "\n");
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for (let i: i32 = 0; i < pi; ++i) {
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export_obj_write_string(o, "v ");
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export_obj_write_string(o, posa2[i * 3] * sc + "");
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export_obj_write_string(o, " ");
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export_obj_write_string(o, posa2[i * 3 + 2] * sc + "");
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export_obj_write_string(o, " ");
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export_obj_write_string(o, -posa2[i * 3 + 1] * sc + "");
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export_obj_write_string(o, "\n");
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}
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for (let i: i32 = 0; i < ni; ++i) {
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export_obj_write_string(o, "vn ");
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export_obj_write_string(o, nora2[i * 3] * inv + "");
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export_obj_write_string(o, " ");
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export_obj_write_string(o, nora2[i * 3 + 2] * inv + "");
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export_obj_write_string(o, " ");
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export_obj_write_string(o, -nora2[i * 3 + 1] * inv + "");
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export_obj_write_string(o, "\n");
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}
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for (let i: i32 = 0; i < ti; ++i) {
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export_obj_write_string(o, "vt ");
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export_obj_write_string(o, texa2[i * 2] * inv + "");
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export_obj_write_string(o, " ");
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export_obj_write_string(o, 1.0 - texa2[i * 2 + 1] * inv + "");
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export_obj_write_string(o, "\n");
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}
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let inda: u32_array_t = mesh.index_arrays[0].values;
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for (let i: i32 = 0; i < math_floor(inda.length / 3); ++i) {
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let pi1: i32 = posmap.get(inda[i * 3 ]) + 1 + poff;
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let pi2: i32 = posmap.get(inda[i * 3 + 1]) + 1 + poff;
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let pi3: i32 = posmap.get(inda[i * 3 + 2]) + 1 + poff;
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let ni1: i32 = normap.get(inda[i * 3 ]) + 1 + noff;
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let ni2: i32 = normap.get(inda[i * 3 + 1]) + 1 + noff;
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let ni3: i32 = normap.get(inda[i * 3 + 2]) + 1 + noff;
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let ti1: i32 = texmap.get(inda[i * 3 ]) + 1 + toff;
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let ti2: i32 = texmap.get(inda[i * 3 + 1]) + 1 + toff;
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let ti3: i32 = texmap.get(inda[i * 3 + 2]) + 1 + toff;
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export_obj_write_string(o, "f ");
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export_obj_write_string(o, pi1 + "");
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export_obj_write_string(o, "/");
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export_obj_write_string(o, ti1 + "");
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export_obj_write_string(o, "/");
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export_obj_write_string(o, ni1 + "");
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export_obj_write_string(o, " ");
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export_obj_write_string(o, pi2 + "");
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export_obj_write_string(o, "/");
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export_obj_write_string(o, ti2 + "");
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export_obj_write_string(o, "/");
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export_obj_write_string(o, ni2 + "");
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export_obj_write_string(o, " ");
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export_obj_write_string(o, pi3 + "");
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export_obj_write_string(o, "/");
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export_obj_write_string(o, ti3 + "");
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export_obj_write_string(o, "/");
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export_obj_write_string(o, ni3 + "");
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export_obj_write_string(o, "\n");
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}
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poff += pi;
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noff += ni;
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toff += ti;
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}
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if (!path.endsWith(".obj")) path += ".obj";
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let b: ArrayBuffer = Uint8Array.from(o).buffer;
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krom_file_save_bytes(path, b, b.byteLength);
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}
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