69 lines
2.0 KiB
JavaScript
69 lines
2.0 KiB
JavaScript
var fs = require('fs');
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var jsonObject = JSON.parse(fs.readFileSync('monkey.babylon', 'utf8'));
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var result =
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"#include <libgba-sprite-engine/mesh.h>\n" +
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"Mesh* createMesh() { \n" +
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"\t auto obj = new Mesh();\n";
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var meshes = 0;
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function addMesh(x, y, z) {
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result += `\t obj->add(VectorFx::fromFloat(${x}, ${y}, ${z}));\n`;
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meshes++;
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}
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var faces = 0;
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function addFace(a, b, c) {
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result += `\t obj->addFace({ ${a}, ${b}, ${c}});\n`;
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faces++;
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}
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function setPosition(position) {
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result += `\t obj->setPosition(VectorFx::fromInt(${position[0]}, ${position[1]}, ${position[2]}));\n`;
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}
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function done() {
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result +=
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"\t return obj;\n" +
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"}\n"
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}
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for(var meshIndex = 0; meshIndex < jsonObject.meshes.length; meshIndex++) {
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var verticesArray = jsonObject.meshes[meshIndex].vertices;
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var indicesArray = jsonObject.meshes[meshIndex].indices;
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var uvCount = jsonObject.meshes[meshIndex].uvCount;
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var verticesStep = 1;
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switch(uvCount) {
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case 0:
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verticesStep = 6;
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break;
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case 1:
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verticesStep = 8;
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break;
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case 2:
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verticesStep = 10;
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break;
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}
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var verticesCount = verticesArray.length / verticesStep;
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var facesCount = indicesArray.length / 3;
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//var mesh = new SoftEngine.Mesh(jsonObject.meshes[meshIndex].name, verticesCount, facesCount);
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for(var index = 0; index < verticesCount; index++) {
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var x = verticesArray[index * verticesStep];
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var y = verticesArray[index * verticesStep + 1];
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var z = verticesArray[index * verticesStep + 2];
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addMesh(x, y, z);
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}
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for(var index = 0; index < facesCount; index++) {
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var a = indicesArray[index * 3];
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var b = indicesArray[index * 3 + 1];
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var c = indicesArray[index * 3 + 2];
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addFace(a, b, c);
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}
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var position = jsonObject.meshes[meshIndex].position;
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setPosition(position);
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}
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done();
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fs.writeFileSync('src/mesh.cpp', result);
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console.log(`mesh.cpp written; ${meshes} meshes and ${faces} faces. GLHF!`)
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