public LightMap(ModelInstance mi, Mesh m)
{
model = mi;
mesh = m;
width = mesh.texels.GetLength(0);
height = mesh.texels.GetLength(1);
texels = new Texel[width,height];
patches = new List<Patch>();
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
texels[i,j] = new Texel();
foreach (Patch p in mesh.texels[i,j].patches)
{
Patch temp = new Patch(p,model.transform);
texels[i,j].add(temp);
patches.Add(temp);
}
}
}
name = "lm" + model.layoutName + "_" + convertToBase36(model.id) + "_0" + mesh.id;
}
public static Mesh CreateCube(float size = 1.0f)
{
float s2 = size * 0.5f;
var mesh = new Mesh();
//corners
mesh.positions.Add(new Vector3(s2, s2, -s2)); //0
mesh.positions.Add(new Vector3(s2, s2, s2)); //1
mesh.positions.Add(new Vector3(-s2, s2, s2)); //2
mesh.positions.Add(new Vector3(-s2, s2, -s2)); //3
mesh.positions.Add(new Vector3(s2, -s2, -s2)); //4
mesh.positions.Add(new Vector3(-s2, -s2, -s2)); //5
mesh.positions.Add(new Vector3(-s2, -s2, s2)); //6
mesh.positions.Add(new Vector3(s2, -s2, s2)); //7
//Top Face
mesh.ids.Add(0);
mesh.ids.Add(1);
mesh.ids.Add(2);
mesh.ids.Add(0);
mesh.ids.Add(2);
mesh.ids.Add(3);
//Bottom Face
mesh.ids.Add(4);
mesh.ids.Add(5);
mesh.ids.Add(6);
mesh.ids.Add(4);
mesh.ids.Add(6);
mesh.ids.Add(7);
//Front Face
mesh.ids.Add(1);
mesh.ids.Add(7);
mesh.ids.Add(6);
mesh.ids.Add(1);
mesh.ids.Add(6);
mesh.ids.Add(2);
//Back Face
mesh.ids.Add(0);
mesh.ids.Add(3);
mesh.ids.Add(5);
mesh.ids.Add(0);
mesh.ids.Add(5);
mesh.ids.Add(4);
//Left face
mesh.ids.Add(2);
mesh.ids.Add(6);
mesh.ids.Add(5);
mesh.ids.Add(2);
mesh.ids.Add(5);
mesh.ids.Add(3);
//Right face
mesh.ids.Add(1);
mesh.ids.Add(0);
mesh.ids.Add(4);
mesh.ids.Add(1);
mesh.ids.Add(4);
mesh.ids.Add(7);
return mesh.SwitchTriangleMeshWinding();
}
/**Initializes the tunnel initial polyline, returning the corresponding mesh and setting it as the actual one**/
protected Geometry.Mesh initializeTunnel(ref Polyline iniPol)
{
((InitialPolyline)iniPol).initializeIndices();
//Create the new mesh with the hole polyline
Geometry.Mesh m = new Geometry.Mesh(iniPol);
proceduralMeshes.Add(m);
actualMesh = m;
return(m);
}
//Currently mesh chunks dont store texture ids in triangles, need to do that if textures are needed
public Model toModel()
{
Mesh[] meshes = new Mesh[chunks.Length];
for (int i = 0; i < meshes.Length; i++)
{
meshes[i] = new Mesh(chunks[i].name, chunks[i].tris, chunks[i].receives, chunks[i].casts, chunks[i].chunkOffset, chunks[i].chunkRotation, chunks[i].id);
}
return new Model(name, meshes);
}
public static Mesh Clone(this Mesh m)
{
var mesh = new Mesh();
mesh.positions.AddRange(m.positions);
mesh.normals.AddRange(m.normals);
mesh.uvs.AddRange(m.uvs);
mesh.ids.AddRange(m.ids);
return mesh;
}
private static VAO CreateMesh(Shader shader)
{
Mesh mesh = new Mesh();
mesh.Add(Meshes.CreateSphere(.9f));
mesh.Add(Obj2Mesh.FromObj(Resourcen.suzanne));
var vao = new VAO();
vao.SetAttribute(shader.GetAttributeLocation("position"), mesh.positions.ToArray(), VertexAttribPointerType.Float, 3);
vao.SetAttribute(shader.GetAttributeLocation("normal"), mesh.normals.ToArray(), VertexAttribPointerType.Float, 3);
vao.SetID(mesh.ids.ToArray(), PrimitiveType.Triangles);
return vao;
}
public static void Add(this Mesh a, Mesh b)
{
var count = (uint)a.positions.Count;
a.positions.AddRange(b.positions);
a.normals.AddRange(b.normals);
a.uvs.AddRange(b.uvs);
foreach(var id in b.ids)
{
a.ids.Add(id + count);
}
}
/**Transforms Geometry mesh into Unity mesh **/
private UnityEngine.Mesh getUnityMesh(Geometry.Mesh m, bool finished)
{
//Generation finished, assign the vertices and triangles created to a Unity mesh
UnityEngine.Mesh mesh = new UnityEngine.Mesh();
mesh.SetVertices(m.getVertices());
mesh.SetTriangles(m.getTriangles(), 0);
mesh.SetUVs(0, m.getUVs());
//TODO: http://schemingdeveloper.com/2014/10/17/better-method-recalculate-normals-unity/
mesh.RecalculateNormals();
if (finished)
{
mesh.RecalculateBounds();
}
return(mesh);
}
public Model(String name, Mesh[] mesh)
{
_name = name;
_meshes = mesh;
foreach (Mesh m in mesh)
{
if (m.isLightmapped)
{
isLightmapped = true;
break;
}
}
foreach (Mesh m in mesh)
{
if (m.castsShadows)
{
castsShadows = true;
break;
}
}
}
public override IEnumerator generate(Polyline originPoly, float holeProb)
{
//Hole is done, update the counter
--maxHoles;
//Case base is implicit, as the operation generation takes into account the maxHoles variables in order to stop generating holes
if (showGeneration)
{
//New hole, wait a bit to see the change
gameObject.GetComponent <CaveGenerator> ().updateActualPolyline(originPoly.calculateBaricenter(), originPoly.calculateNormal());
yield return(new WaitForSeconds(holeTime));
}
//TODO: change maxExtrudeTimes as holes are done (eg, random number between a rank)
//Generate the actual hallway/tunnel
Geometry.Mesh m = initializeTunnel(ref originPoly);
ExtrusionOperations actualOperation = DecisionGenerator.Instance.generateNewOperation(originPoly);
//Add initial polyline to the BB
IntersectionsController.Instance.addPolyline(originPoly);
for (int i = 0; i < maxExtrudeTimes; ++i)
{
//In case the hole is finally not done, same operation will need to be applied
ExtrusionOperations actualOpBackTrack = new ExtrusionOperations(actualOperation);
//Generate the new polyline applying the corresponding operation
Polyline newPoly = extrude(actualOperation, originPoly);
if (newPoly == null) //Intersection produced
//TODO: improve this
//DecisionGenerator.Instance.generateNextOperation(originPoly, ref actualOperation,i,holeProb);
//actualOperation = DecisionGenerator.Instance.generateNewOperation (originPoly);
{
continue;
}
//Make hole?
if (actualOperation.holeOperation())
{
Polyline polyHole = makeHole(originPoly, newPoly);
if (polyHole != null) //Check the hole was done without problems
{
IntersectionsController.Instance.addPolyline(newPoly);
IntersectionsController.Instance.addActualBox();
actualOperation.setCanIntersect(IntersectionsController.Instance.getLastBB()); //Avoid intersection check with own extrusion BB
if (showGeneration)
{
yield return(StartCoroutine(generate(polyHole, holeProb - 0.001f)));
//Wait a bit to let the camera return the actual tunnel
gameObject.GetComponent <CaveGenerator> ().updateActualPolyline(originPoly.calculateBaricenter(), originPoly.calculateNormal());
yield return(new WaitForSeconds(holeTime));
}
else
{
StartCoroutine(generate(polyHole, holeProb - 0.001f));
}
//IntersectionsController.Instance.addPolyline (originPoly);
actualMesh = m;
}
else //No hole could be done, reextrude will smaller distance
//Force to have little extrusion distance
{
actualOpBackTrack.distanceOperation().forceOperation(1, DecisionGenerator.Instance.generateDistance(false));
//It can't be null if with bigger extrusion distance it wasn't already: if
//with bigger distance it didn't intersect, it can't intersect with a smaller one
newPoly = extrude(actualOpBackTrack, originPoly);
actualOperation = actualOpBackTrack;
actualMesh.addPolyline(newPoly);
}
actualOperation.forceHoleOperation(false);
}
else
{
//Adds the new polyline to the mesh, after all the changes previously done
actualMesh.addPolyline(newPoly);
}
//Triangulate from origin to new polyline as a tube/cave shape
actualMesh.triangulatePolylines(originPoly, newPoly);
//Make stalagmite?
if (!actualOpBackTrack.holeOperation() && actualOperation.stalagmiteOperation().needApply())
{
makeStalagmite(actualOperation.stalagmiteOperation().apply(), originPoly, newPoly);
}
//Make light?
/*if (actualOperation.pointLightOperation().needApply()) {
* actualOperation.pointLightOperation().apply();
* makePointLight(originPoly,newPoly);
* }*/
//Set next operation and continue from the new polyline
originPoly = newPoly;
//Add actual polyline to the next intersection BB and get next operation
IntersectionsController.Instance.addPolyline(originPoly);
DecisionGenerator.Instance.generateNextOperation(originPoly, actualOperation, i, holeProb, maxHoles);
if (showGeneration)
{
gameObject.GetComponent <CaveGenerator> ().updateMeshes(this);
gameObject.GetComponent <CaveGenerator> ().updateActualPolyline(originPoly.calculateBaricenter(), originPoly.calculateNormal());
yield return(new WaitForSeconds(extrusionTime));
} //else do nothing
}
//Duplicate last polyline, in order to avoid ugly results when smoothing a closed tunnel after hole
originPoly = actualMesh.duplicatePoly(originPoly);
//Finally, close the actual hallway/tunnel
IntersectionsController.Instance.addActualBox();
actualMesh.closePolyline(originPoly);
if (m == proceduralMeshes [0])
{
finished = true;
gameObject.GetComponent <CaveGenerator> ().updateMeshes(this);
}
else if (showGeneration)
{
gameObject.GetComponent <CaveGenerator> ().updateMeshes(this);
}
}
private void NotifySlotChanged(Mesh.CNC_Turning.Machine_Stuff.ToolSet.Slot slot)
{
if (m_SlotChangeEvent != null)
m_SlotChangeEvent.Invoke(this, slot);
}
public override IEnumerator generate(Polyline originPoly, float holeProb) {
createDataStructure (gatePolyline);
--maxHoles;
Polyline newPoly;
int actualExtrusionTimes, noIntersection;
noIntersection = -1;
while (isDataStructureEmpty()) {
//new tunnel(hole) will be done, initialize all the data
//Case base is implicit, as the operation generation takes into account the maxHoles variables in order to stop generating holes
initializeDataStructure(ref noIntersection, ref originPoly);
Geometry.Mesh m = initializeTunnel(ref originPoly);
actualExtrusionTimes = 0;
ExtrusionOperations operation = DecisionGenerator.Instance.generateNewOperation (originPoly);
operation.setCanIntersect (noIntersection);
//Add first polyline to the intersection BB
IntersectionsController.Instance.addPolyline (originPoly);
if (showGeneration) {
gameObject.GetComponent<CaveGenerator> ().updateMeshes (this);
gameObject.GetComponent<CaveGenerator> ().updateActualPolyline(originPoly.calculateBaricenter(), originPoly.calculateNormal());
yield return new WaitForSeconds(holeTime);
}
//Generate the tunnel
while (actualExtrusionTimes <= maxExtrudeTimes) {
++actualExtrusionTimes;
//In case the hole is finally not done, same operation will need to be applied
ExtrusionOperations actualOpBackTrack = new ExtrusionOperations(operation);
//Generate the new polyline applying the operation
newPoly = extrude (operation, originPoly);
if (newPoly == null) {
//DecisionGenerator.Instance.generateNextOperation (ref operation, actualExtrusionTimes, holeProb);
//operation = DecisionGenerator.Instance.generateNewOperation (originPoly);
continue;
}
//Make hole?
if (operation.holeOperation ()) {
noIntersection = -1;
operation.setCanIntersect (noIntersection);
Polyline polyHole = makeHole (originPoly, newPoly);
if (polyHole != null) {//Check the hole was done without problems
addElementToDataStructure (polyHole, IntersectionsController.Instance.getLastBB () + 1);
--maxHoles;
} else { //No hole could be done, reextrude
//Force to have little extrusion distance
actualOpBackTrack.distanceOperation().forceOperation(1, DecisionGenerator.Instance.generateDistance (false));
//It can't be null if with bigger extrusion distance it wasn't already: if
//with bigger distance it didn't intersect, it can't intersect with a smaller one
newPoly = extrude (actualOpBackTrack, originPoly);
operation = actualOpBackTrack;
actualMesh.addPolyline (newPoly);
}
operation.forceHoleOperation (false);
} else {
//Adds the new polyline to the mesh, after all the changes previously done
actualMesh.addPolyline (newPoly);
}
//Triangulate from origin to new polyline as a tube/cave shape
actualMesh.triangulatePolylines (originPoly, newPoly);
//Make stalagmite?
if (!actualOpBackTrack.holeOperation() && operation.stalagmiteOperation ().needApply()) {
makeStalagmite (operation.stalagmiteOperation().apply(), originPoly, newPoly);
}
//Make light?
/*if (operation.pointLightOperation().needApply()) {
operation.pointLightOperation().apply();
makePointLight(originPoly,newPoly);
}*/
//Set next operation and continue from the new polyline
originPoly = newPoly;
//Add actual polyline to the next intersection BB ang get nexxt operation
IntersectionsController.Instance.addPolyline(originPoly);
DecisionGenerator.Instance.generateNextOperation(originPoly, operation,actualExtrusionTimes,holeProb, maxHoles);
if (showGeneration) {
gameObject.GetComponent<CaveGenerator> ().updateMeshes (this);
gameObject.GetComponent<CaveGenerator> ().updateActualPolyline(originPoly.calculateBaricenter(), originPoly.calculateNormal());
yield return new WaitForSeconds(extrusionTime);
}
}
//Duplicate last polyline, in order to avoid ugly results when smoothing a closed tunnel after hole
originPoly = actualMesh.duplicatePoly (originPoly);
IntersectionsController.Instance.addActualBox ();
actualMesh.closePolyline(originPoly);
holeProb -= 0.001f;
}
finished = true;
gameObject.GetComponent<CaveGenerator> ().updateMeshes (this);
}
public static Mesh CreatePlane(float sizeX, float sizeZ, uint segmentsX, uint segmentsZ)
{
float deltaX = (1.0f / segmentsX) * sizeX;
float deltaZ = (1.0f / segmentsZ) * sizeZ;
Mesh m = new Mesh();
//add vertices
for (uint u = 0; u < segmentsX + 1; ++u)
{
for (uint v = 0; v < segmentsZ + 1; ++v)
{
float x = -sizeX / 2.0f + u * deltaX;
float z = -sizeZ / 2.0f + v * deltaZ;
m.positions.Add(new Vector3(x, 0.0f, z));
}
}
uint verticesZ = segmentsZ + 1;
//add ids
for (uint u = 0; u < segmentsX; ++u)
{
for (uint v = 0; v < segmentsZ; ++v)
{
m.ids.Add(u* verticesZ + v);
m.ids.Add(u* verticesZ + v + 1);
m.ids.Add((u + 1) * verticesZ + v);
m.ids.Add((u + 1) * verticesZ + v);
m.ids.Add(u* verticesZ + v + 1);
m.ids.Add((u + 1) * verticesZ + v + 1);
}
}
return m;
}
public LightMap(ModelInstance mi, Mesh m, String lightmapName)
: this(mi, m)
{
name = lightmapName;
}
private static void Subdivide(Mesh m, uint id1, uint id2, uint id3, uint depth)
{
if (0 == depth)
{
m.ids.Add(id1);
m.ids.Add(id2);
m.ids.Add(id3);
return;
}
uint i12 = CreateID(m, id1, id2);
uint i23 = CreateID(m, id2, id3);
uint i31 = CreateID(m, id3, id1);
Subdivide(m, id1, i12, i31, depth - 1);
Subdivide(m, id2, i23, i12, depth - 1);
Subdivide(m, id3, i31, i23, depth - 1);
Subdivide(m, i12, i23, i31, depth - 1);
}
private static uint CreateID(Mesh m, uint id1, uint id2)
{
//todo: could detect if edge already calculated and reuse....
uint i12 = (uint)m.positions.Count;
Vector3 v12 = m.positions[(int)id1] + m.positions[(int)id2];
v12 /= v12.Length();
m.normals.Add(v12);
m.positions.Add(v12);
return i12;
}
public static Mesh SwitchTriangleMeshWinding(this Mesh m)
{
var mesh = new Mesh();
mesh.positions.AddRange(m.positions);
mesh.normals.AddRange(m.normals);
mesh.uvs.AddRange(m.uvs);
for (int i = 0; i < m.ids.Count; i += 3)
{
mesh.ids.Add(m.ids[i]);
mesh.ids.Add(m.ids[i + 2]);
mesh.ids.Add(m.ids[i + 1]);
}
return mesh;
}
public static Mesh SwitchHandedness(this Mesh m)
{
var mesh = new Mesh();
foreach (var pos in m.positions)
{
var newPos = pos;
newPos.Z = -newPos.Z;
mesh.positions.Add(newPos);
}
foreach (var n in m.normals)
{
var newN = n;
newN.Z = -newN.Z;
mesh.normals.Add(newN);
}
mesh.uvs.AddRange(m.uvs);
mesh.ids.AddRange(m.ids);
return mesh;
}
public static Mesh CreateSphere(float radius_ = 1.0f, uint subdivision = 1)
{
//idea: subdivide icosahedron
const float X = 0.525731112119133606f;
const float Z = 0.850650808352039932f;
var vdata = new float[12,3] {
{ -X, 0.0f, Z}, { X, 0.0f, Z}, { -X, 0.0f, -Z }, { X, 0.0f, -Z },
{ 0.0f, Z, X }, { 0.0f, Z, -X }, { 0.0f, -Z, X }, { 0.0f, -Z, -X },
{ Z, X, 0.0f }, { -Z, X, 0.0f }, { Z, -X, 0.0f }, { -Z, -X, 0.0f }
};
var tindices = new uint[20,3] {
{ 0, 4, 1 }, { 0, 9, 4 }, { 9, 5, 4 }, { 4, 5, 8 }, { 4, 8, 1 },
{ 8, 10, 1 }, { 8, 3, 10 }, { 5, 3, 8 }, { 5, 2, 3 }, { 2, 7, 3 },
{ 7, 10, 3 }, { 7, 6, 10 }, { 7, 11, 6 }, { 11, 0, 6 }, { 0, 1, 6 },
{ 6, 1, 10 }, { 9, 0, 11 }, { 9, 11, 2 }, { 9, 2, 5 }, { 7, 2, 11 } };
Mesh mesh = new Mesh();
for (int i = 0; i < 12; ++i)
{
var p = new Vector3(vdata[i, 0], vdata[i, 1], vdata[i, 2]);
mesh.normals.Add(p);
mesh.positions.Add(p);
}
for (int i = 0; i < 20; ++i)
{
Subdivide(mesh, tindices[i, 0], tindices[i, 1], tindices[i, 2], subdivision);
}
//scale
for (int i = 0; i < mesh.positions.Count; ++i)
{
mesh.positions[i] *= radius_;
}
return mesh.SwitchTriangleMeshWinding();
}
