int main(int argc, char *argv[]) {
// Declare a pointer to the input file
FILE *inFile;
// Declare a pointer to the root file name
char *rootName;
// Declare pointers to the head and tail of the symbol table
DEF_NODE *head, *tail;
// Set head and tail to NULL
head = tail = NULL;
// Initialize the errorIndex to 0
errorIndex = 0;
// Find the root file name and set it
rootName = (char *)findRootFileName(argv[IN_FILE]);
// Try to open the input file for reading
if((inFile = fopen(argv[IN_FILE], "r")) == NULL) {
// Print error message if file could not be opened
fprintf(stderr, "Could not open file: %s\n", argv[IN_FILE]);
// Fatal error, exit program
exit(1);
}
// Initialize all the opcodes
initOpcodes();
// Do the first pass and build the symbol table
passOne(inFile, &head, &tail);
// Rewind the input file so it is ready for the second pass
rewind(inFile);
// Do the second pass and check for errors
passTwo(inFile, &head, &tail);
// If there were errors in the input file...
if(errorIndex > 0) {
// Make an error file
writeErrFile(inFile, rootName);
}
// There were no errors in the input file
else {
// Write the symbol table file
printST(head, rootName);
// Write the object code file
writeObjFile(rootName);
}
// Try to close the input file
if(fclose(inFile) == EOF) {
// If file could not be closed, print error
fprintf(stderr, "Could not close file: %s\n", argv[IN_FILE]);
// Fatal error, exit program
exit(1);
}
// Program finished without errors, return 0
return 0;
}
int main(void)
{
FILE *progFile,*outputFile,*opcode,*ADFile;
progFile = fopen("input.txt","r");
opcode = fopen("opcode.txt","r");
outputFile = fopen("obj.o", "w");
ADFile = fopen("AssemblyDirectives.txt","r");
fgets(assemblyDirectives,30,ADFile);
//int hexTest = 0x16;
//hexTest = hexTest << 16;
//int hexLocTest = 0x1033;
//unsigned int opcodeTest = hexTest | hexLocTest;
//printf("Opcode Test:%x",opcodeTest);
populateOpcode(opcode);
lineByLine(progFile);
rewind(progFile);
symbolAddresses(progFile);
printSymbolTable();
rewind(progFile);
setSymbolAddresses(progFile);
lineOp[lineNum-1] = 0;//End of the file has a 0x00 opcode
rewind(progFile);
writeObjFile(progFile,outputFile);
fclose(progFile);
fclose(outputFile);
fclose(opcode);
}
void BVH::build(std::vector<Triangle *> triangles, std::vector<Instance *> *instances)
{
std::cout << "Building BVH" << std::endl;
m_buildData.reserve(triangles.size());
m_triangles = triangles;
for(int i=0;i<triangles.size();i++){
m_buildData.push_back(BVHTriangleInfo(i,AABoundingBox(triangles[i]), 0, 1 ));
}
if(instances != 0){
m_instances = *instances;
for(int i=0;i<instances->size();i++){
m_buildData.push_back(BVHTriangleInfo(i,(*instances)[i]->m_bounds, 1, (*instances)[i]->getNumTris()));
}
}
int numTotalNodes = 0;
BVHBuildNode *buildRoot = recursiveBuild(0,m_buildData.size(),&numTotalNodes);
m_root = new BVHLinearNode[numTotalNodes];
int offset = 0;
flattenTree(buildRoot,&offset);
recursiveDelete(buildRoot);
m_buildData.clear();
writeObjFile("/tmp/bvh.obj");
}
void initScene()
{
// generate texture
texture = std::unique_ptr<Texture>(new Texture());
texture->genImageMask(16, 16, false);
// setup scene
viewTransform.SetPosition({ 0, 0, -3 });
//addModelPlane(); // reference model to check that UV-coords are correct
addModelCuboid();
addModelEllipsoid();
addModelCone();
addModelCylinder();
addModelPipe();
addModelTorus();
addModelSpiral();
addModelTorusKnot();
//addModelCurve();
//addModelBezierPatch();
//addModelTeapot();
//...
for (auto it = models.begin(); it != models.end();)
{
#ifdef ENABLE_PRESENTATION
// setup model for presentation
it->turn(0, Gs::Deg2Rad(20.0f));
it->turn(Gs::Deg2Rad(40.0f), 0);
#endif
// check for unused vertices in all models
auto n = countUnusedVertices(it->mesh);
if (n > 0)
std::cout << it->name << " has " << n << " unused vertices" << std::endl;
else if (n < 0)
{
std::cout << it->name << " has " << (-n) << " invalid vertices -> model removed from list" << std::endl;
it = models.erase(it);
continue;
}
// compute tangent vectors
const auto& verts = it->mesh.vertices;
auto numVerts = verts.size();
it->tangents[0].resize(numVerts);
it->tangents[1].resize(numVerts);
Gs::Vector3 tangent, bitangent, normal;
for (const auto& indices : it->mesh.triangles)
{
Gm::Triangle3 coords(
verts[indices.a].position,
verts[indices.b].position,
verts[indices.c].position
);
Gm::Triangle2 texCoords(
verts[indices.a].texCoord,
verts[indices.b].texCoord,
verts[indices.c].texCoord
);
Gm::ComputeTangentSpace(coords, texCoords, tangent, bitangent, normal);
(it->tangents[0])[indices.a] = tangent;
(it->tangents[1])[indices.a] = bitangent;
(it->tangents[0])[indices.b] = tangent;
(it->tangents[1])[indices.b] = bitangent;
(it->tangents[0])[indices.c] = tangent;
(it->tangents[1])[indices.c] = bitangent;
}
#ifdef WRITE_MODELS_TO_FILE
// write model to file
it->writeObjFile("mesh/" + it->name + ".obj");
#endif
++it;
}
// show first model
std::cout << std::endl;
showModel(models.size() - 1);
}
