DIRECTORY
SVCoordSys, GGParseIn, Imager, IO, SVPredefSweeps, Rope, SV2d, SV3d, SVAssembly, SVBasicTypes, SVBoundBox, SVBoundSphere, SVCastRays, SVDraw3d, SVFaces, SVMasterObject, SVModelTypes, SVObjectCast, SVPolygon2d, SVPolygon3d, SVScene, SVSceneTypes, SVSweepCast, SVSweepGeometry, SVParseIn, SVParseOut;

SVMasterObjectImplB: CEDAR PROGRAM
IMPORTS SVCoordSys, GGParseIn, IO, SVPredefSweeps, SVAssembly, SVBoundBox, SVBoundSphere, SVCastRays, SVDraw3d, SVMasterObject, SVPolygon2d, SVPolygon3d, SVScene, SVSweepCast, SVSweepGeometry, SVParseIn, SVParseOut
EXPORTS SVMasterObject =
BEGIN
OPEN SVSceneTypes;



BoundBox: TYPE = SVBasicTypes.BoundBox;
BoundHedron: TYPE = SVBasicTypes.BoundHedron;
Camera: TYPE = SVModelTypes.Camera;
Classification: TYPE =  SVSceneTypes.Classification;
Composite: TYPE = SVSceneTypes.Composite;
Cone: TYPE = SVFaces.Cone;
ConeSurface: TYPE = REF ConeSurfaceObj;
ConeSurfaceObj: TYPE = SVObjectCast.ConeSurfaceObj;
CoordSystem: TYPE = SVModelTypes.CoordSystem;
Cylinder: TYPE = SVFaces.Cylinder;
DiskRing: TYPE = SVFaces.DiskRing;
DiskSurface: TYPE = REF DiskSurfaceObj;
DiskSurfaceObj: TYPE = SVObjectCast.DiskSurfaceObj;
LightSourceList: TYPE = SVModelTypes.LightSourceList;
LinearMesh: TYPE = REF LinearMeshRecord;
LinearMeshArray: TYPE = SVSweepGeometry.LinearMeshArray;
LinearMeshRecord: TYPE = SVSweepGeometry.LinearMeshRecord;
MasterObject: TYPE = SVSceneTypes.MasterObject;
MasterObjectClass: TYPE = SVSceneTypes.MasterObjectClass;
MasterObjectClassList: TYPE = SVSceneTypes.MasterObjectClassList;
MasterObjectClassObj: TYPE = SVSceneTypes.MasterObjectClassObj;
MasterObjectList: TYPE = SVSceneTypes.MasterObjectList;
Matrix4by4: TYPE = SV3d.Matrix4by4;
Path: TYPE = SV2d.Path;
PlanarSurface: TYPE = SVSceneTypes.PlanarSurface;
PlanarSurfaceList: TYPE = SVSceneTypes.PlanarSurfaceList;
Point2d: TYPE = SV2d.Point2d;
PointGenerator: TYPE = REF PointGeneratorObj;
PointGeneratorObj: TYPE = SVSceneTypes.PointGeneratorObj;
PointPairGenerator: TYPE = REF PointPairGeneratorObj;
PointPairGeneratorObj: TYPE = SVSceneTypes.PointPairGeneratorObj;
Poly3d: TYPE = SV3d.Poly3d;
Polygon: TYPE = SV2d.Polygon;
Primitive: TYPE = SVSceneTypes.Primitive;
Ray: TYPE = SVSceneTypes.Ray;
RectSurface: TYPE = REF RectSurfaceObj;
RectSurfaceObj: TYPE = SVObjectCast.RectSurfaceObj;
RevoFace: TYPE = SVSweepCast.RevoFace;
RevoluteMesh: TYPE = REF RevoluteMeshRecord;
RevoluteMeshArray: TYPE = SVSweepGeometry.RevoluteMeshArray;
RevoluteMeshRecord: TYPE = SVSweepGeometry.RevoluteMeshRecord;
Shape: TYPE = SVSceneTypes.Shape;
ShellSurface: TYPE = REF ShellSurfaceObj;
ShellSurfaceObj: TYPE = SVObjectCast.ShellSurfaceObj;
Slice: TYPE = SVSceneTypes.Slice;
SliceDescriptor: TYPE = SVSceneTypes.SliceDescriptor;
SubBoxesBody: TYPE = REF SubBoxesBodyObj;
SubBoxesBodyObj: TYPE = SVSweepCast.SubBoxesBodyObj;
SubSpheresBody: TYPE = REF SubSpheresBodyObj;
SubSpheresBodyObj: TYPE = SVSweepCast.SubSpheresBodyObj;
SurfaceArray: TYPE = REF SurfaceArrayObj;
SurfaceArrayObj: TYPE = SVSceneTypes.SurfaceArrayObj;
ToroidalMesh: TYPE = REF ToroidalMeshRecord;
ToroidalMeshRecord: TYPE = SVSweepGeometry.ToroidalMeshRecord;
ToroidalSurface: TYPE = REF ToroidalSurfaceObj;
ToroidalSurfaceObj: TYPE = SVObjectCast.ToroidalSurfaceObj;
TubeSurface: TYPE = REF TubeSurfaceObj;
TubeSurfaceObj: TYPE = SVObjectCast.TubeSurfaceObj;



linClass, revoClass: MasterObjectClass;


LinSweepMakeMasterObject: PUBLIC PROC [name: Rope.ROPE, linMesh: LinearMesh] RETURNS [mo: MasterObject] = {
mainBody: REF ANY _ NIL;
lineBody: REF ANY _ linMesh;
shadeBody: REF ANY _ lineBody;
rayCastBody: REF ANY _ LinSweepGetRayCastBody[linMesh];
mo _ SVScene.CreateMasterObject[name, linClass, mainBody, lineBody, shadeBody, rayCastBody];
};
LinSweepUpdate: PUBLIC PROC [mo: MasterObject, updateData: REF ANY] = {
};
LinSweepBoundHedron: PUBLIC PROC [masterObject: MasterObject] RETURNS [hedron: BoundHedron] = {
linMesh: LinearMesh _ NARROW[masterObject.lineBody];
vertCount: NAT _ 2*linMesh.len;
hedron _ SVBoundBox.CreateBoundHedron[vertCount];
FOR i: NAT IN[1..linMesh.len] DO
FOR j: NAT IN[1..2] DO
SVBoundBox.AddBoundHedronPoint[hedron, linMesh.array[i][j]];
ENDLOOP;
ENDLOOP;
};
LinSweepFaces: TYPE = SVSweepCast.LinSweepFaces;
LinSweepHint: TYPE = REF LinSweepHintObj;
LinSweepHintObj: TYPE = RECORD [linMesh: LinearMesh, faces: LinSweepFaces];
LinSweepGetRayCastBody: PROC [linMesh: LinearMesh] RETURNS [hint: LinSweepHint] = {
hint _ NEW[LinSweepHintObj];
hint.linMesh _ linMesh;
hint.faces _ SVSweepCast.MakeLinSweepFaces[linMesh];
};
GetLinSweepData: PUBLIC PROC RETURNS [linMesh: LinearMesh] = {
linMesh _ SVPredefSweeps.GetUnitCube[];-- for now.
};
LinSweepRayCast: PUBLIC PROC [cameraPoint: Point2d, localRay: Ray, sliceD: SliceDescriptor, prim: Primitive, positiveTOnly: BOOL _ TRUE] RETURNS [class: Classification] = {
mo: MasterObject _ prim.mo;
rayCastBody: LinSweepHint _ NARROW[mo.rayCastBody];
class _ SVSweepCast.LinCast[localRay, prim, rayCastBody.linMesh, rayCastBody.faces, positiveTOnly];
};
LinSweepRayCastNoBBoxes: PUBLIC PROC [localRay: Ray, sliceD: SliceDescriptor, prim: Primitive, positiveTOnly: BOOL _ TRUE] RETURNS [class: Classification] = {
mo: MasterObject _ prim.mo;
rayCastBody: LinSweepHint _ NARROW[mo.rayCastBody];
class _ SVSweepCast.LinCast[localRay, prim, rayCastBody.linMesh, rayCastBody.faces, positiveTOnly];
};
LinSweepRayCastBoundingSpheres: PUBLIC PROC [localRay: Ray, sliceD: SliceDescriptor, prim: Primitive, positiveTOnly: BOOL _ TRUE] RETURNS [class: Classification] = {
mo: MasterObject _ prim.mo;
rayCastBody: LinSweepHint _ NARROW[mo.rayCastBody];
class _ SVSweepCast.LinCast[localRay, prim, rayCastBody.linMesh, rayCastBody.faces, positiveTOnly];
};
LinSweepLineDraw: PUBLIC PROC[slice: Slice, dc: Imager.Context, camera: Camera] = {
localCS: CoordSystem _ slice.coordSys;
mo: MasterObject _ NARROW[slice.shape, Shape].mo;
linMesh: LinearMesh;
linMesh _ NARROW[mo.lineBody];
SVSweepGeometry.LineDrawLinearSweep[dc, linMesh, camera, localCS];
};
LinSweepDrawNormals: PUBLIC PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem] = {
linMesh: LinearMesh;
IF ISTYPE[data, LinearMesh]
THEN linMesh _ NARROW[data]
ELSE SIGNAL SVMasterObject.WrongTypeOfData;
SVSweepGeometry.DrawNormalsLinearSweep[dc, linMesh, camera, localCS];
};
LinSweepCountSurf: PUBLIC PROC [masterObject: MasterObject] RETURNS [len: NAT] = {
linMesh: LinearMesh _ NARROW[masterObject.shadeBody];
len _ SVSweepGeometry.CountPlanarSurfacesLinearSweep[linMesh];
};
LinSweepCountVert: PUBLIC PROC [masterObject: MasterObject] RETURNS [len: NAT] = {
linMesh: LinearMesh _ NARROW[masterObject.shadeBody];
len _ SVSweepGeometry.CountVerticesLinearSweep[linMesh];
};
LinSweepGetSurf: PUBLIC PROC [slice: Slice, camera: CoordSystem, eyeWorld: Point3d] RETURNS [psl: PlanarSurfaceList] = {
shape: Shape _ NARROW[slice.shape];
masterObject: MasterObject _ shape.mo;
linMesh: LinearMesh _ NARROW[masterObject.shadeBody];
psl _ SVSweepGeometry.PlanarSurfacesLinearSweep[linMesh, slice, camera];
};
LinSweepDrawSurf: PUBLIC PROC [dc: Imager.Context, ps: PlanarSurface, lightSources: LightSourceList, camera: Camera, eyeWorld: Point3d, hiddenLine: BOOL] = {
SVSweepGeometry.DrawPlanarSurfaceLinearSweep[dc, ps, lightSources, camera, hiddenLine];
};
LinearFileout: PUBLIC PROC [f: IO.STREAM, mo: MasterObject] = {
linMesh: LinearMesh _ NARROW[mo.lineBody];
lma: LinearMeshArray _ linMesh.array;
len: NAT _ linMesh.len;
f.PutF["name: %g\n",[rope[mo.name]]];
f.PutF["frontDepth: %g, backDepth: %g\n",[real[lma[1][1][3]]],[real[lma[1][2][3]]]];
f.PutF["DataPoints [%g]: ",[integer[len]]];
FOR i: NAT IN[1..len-1] DO
SVParseOut.FileoutPoint3dAsPoint2d[f, lma[i][1]];
f.PutF[","];
ENDLOOP;
SVParseOut.FileoutPoint3dAsPoint2d[f, lma[len][1]];
f.PutChar[IO.CR];
};
LinearFilein: PUBLIC PROC [f: IO.STREAM, name: Rope.ROPE, csList: CoordSysList, defaultCS: CoordSystem, wdir: Rope.ROPE, version: REAL, feedback: FeedbackData] RETURNS [mo: MasterObject] = {
count: NAT;
frontDepth, backDepth: REAL;
poly: Polygon;
instanceName: Rope.ROPE;
linMesh: LinearMesh;
GGParseIn.ReadWRope[f, "name:"];
instanceName _ GGParseIn.ReadWWord[f];
GGParseIn.ReadWRope[f, "frontDepth:"];
frontDepth _ GGParseIn.ReadWReal[f];
GGParseIn.ReadWRope[f, ","];
GGParseIn.ReadWRope[f, "backDepth:"];
backDepth _ GGParseIn.ReadWReal[f];
GGParseIn.ReadWRope[f, "DataPoints ["];
count _ GGParseIn.ReadWNAT[f];
GGParseIn.ReadWRope[f, "]:"];
GGParseIn.ReadBlank[f];
poly _ SVPolygon2d.CreatePoly[count];
FOR i: NAT IN[1..count-1] DO
poly _ SVPolygon2d.PutPolyPoint[poly, i-1, SVParseIn.ReadPoint2d[f]];
GGParseIn.ReadWRope[f, ","];
GGParseIn.ReadBlank[f];
ENDLOOP;
poly _ SVPolygon2d.PutPolyPoint[poly, count-1, SVParseIn.ReadPoint2d[f]];
GGParseIn.ReadBlank[f];
linMesh _ SVSweepGeometry.LinearSweep[poly, frontDepth, backDepth];
mo _ LinSweepMakeMasterObject[name, linMesh];
};
LinearFileoutPoly: PUBLIC PROC [f: IO.STREAM, mo: MasterObject] = {
linMesh: LinearMesh _ NARROW[mo.shadeBody];
SVSweepGeometry.PolyListLinear[f, linMesh];
};

RevoSweepRec: TYPE = REF RevoSweepRecObj;
RevoSweepRecObj: TYPE = RECORD [
path: Path
];
RevoSweepMakeMasterObject: PUBLIC PROC [name: Rope.ROPE, path: Path, long: NAT] RETURNS [mo: MasterObject] = {
mainBody: RevoSweepRec _ NEW[RevoSweepRecObj _ [path: path]];
lineBody: REF ANY;
shadeBody: REF ANY;
rayCastBody: REF ANY;
revMesh: RevoluteMesh;
revMesh _ SVSweepGeometry.RevoluteSweep[path, long];
lineBody _ revMesh;
shadeBody _ lineBody;
rayCastBody _ RevoSweepGetRayCastBody[revMesh];
mo _ SVScene.CreateMasterObject[name, revoClass, mainBody, lineBody, shadeBody, rayCastBody];
};
RevoSweepUpdate: PUBLIC PROC [mo: MasterObject, updateData: REF ANY] = {
revMesh: RevoluteMesh;
mainBody: RevoSweepRec _ NARROW[mo.mainBody];
path: Path _ mainBody.path;
revMesh _ SVSweepGeometry.RevoluteSweep[path, SVPredefSweeps.GetLinesOfLongitude[]];
mo.lineBody _ revMesh;
mo.shadeBody _ mo.lineBody;
mo.rayCastBody _ RevoSweepGetRayCastBody[revMesh];
};

RevoSweepBoundHedron: PUBLIC PROC [masterObject: MasterObject] RETURNS [hedron: BoundHedron] = {
revMesh: RevoluteMesh _ NARROW[masterObject.shadeBody];
vertCount: NAT _ revMesh.linesOfLatitude*6;-- hexagons*6
hex: Poly3d;
hedron _ SVBoundBox.CreateBoundHedron[vertCount];

FOR i: NAT IN[1..revMesh.linesOfLatitude] DO
hex _ SVPolygon3d.CircumHexagon[revMesh.array[i][1][2],
revMesh.array[i][revMesh.linesOfLongitude][1]];
SVBoundBox.AddBoundHedronPoly[hedron, hex];
ENDLOOP;
};
RevoSweepHint: TYPE = REF RevoSweepHintObj;
RevoSweepHintObj: TYPE = RECORD [
boxes: SubBoxesBody,
spheres: SubSpheresBody];
RevoSweepFaces: TYPE = SVSweepCast.RevoSweepFaces;
RevoSweepRayCastBody: TYPE = REF RevoSweepRayCastBodyObj;
RevoSweepRayCastBodyObj: TYPE = RECORD [faces: RevoSweepFaces];
RevoSweepGetRayCastBody: PROC [revMesh: RevoluteMesh] RETURNS [rayCastBody: RevoSweepRayCastBody] = {
rayCastBody _ NEW[RevoSweepRayCastBodyObj];
rayCastBody.faces _ SVSweepCast.MakeRevoSweepFaces[revMesh];
};
RevoSweepRayCast: PUBLIC PROC [cameraPoint: Point2d, localRay: Ray, sliceD: SliceDescriptor, prim: Primitive, positiveTOnly: BOOL _ TRUE] RETURNS [class: Classification] = {
mo: MasterObject _ prim.mo;
rayCastBody: RevoSweepRayCastBody _ NARROW[mo.rayCastBody];
revoHint: RevoSweepHint _ NARROW[prim.hints];
RETURN[SVSweepCast.RevoCast[cameraPoint, localRay, prim, rayCastBody.faces, revoHint.boxes, positiveTOnly]];
};
RevoSweepRayCastNoBBoxes: PUBLIC PROC [localRay: Ray, sliceD: SliceDescriptor, prim: Primitive, positiveTOnly: BOOL _ TRUE] RETURNS [class: Classification] = {
mo: MasterObject _ prim.mo;
rayCastBody: RevoSweepRayCastBody _ NARROW[mo.rayCastBody];
RETURN[SVSweepCast.RevoCastNoBBoxes[localRay, prim, rayCastBody.faces, positiveTOnly]];
};
RevoSweepRayCastBoundingSpheres: PUBLIC PROC [localRay: Ray, sliceD: SliceDescriptor, prim: Primitive, positiveTOnly: BOOL _ TRUE] RETURNS [class: Classification] = {
mo: MasterObject _ prim.mo;
rayCastBody: RevoSweepRayCastBody _ NARROW[mo.rayCastBody];
revoHint: RevoSweepHint _ NARROW[prim.hints];
RETURN[SVSweepCast.RevoCastBoundSpheres[localRay, prim, rayCastBody.faces, revoHint.spheres, positiveTOnly]];
};
RevoSweepPreprocess: PUBLIC PROC [prim: Primitive, camera: Camera] = {
revoSweepHint: RevoSweepHint _ NEW[RevoSweepHintObj];
mo: MasterObject _ NARROW[prim.mo];
rayCastBody: RevoSweepRayCastBody _ NARROW[mo.rayCastBody];
faces: RevoSweepFaces _ rayCastBody.faces;
boxes: SubBoxesBody;
spheres: SubSpheresBody;
worldCS: CoordSystem _ SVCoordSys.Parent[camera.coordSys];

revoSweepHint.boxes _ NEW[SubBoxesBodyObj[faces.len]];
revoSweepHint.spheres _ NEW[SubSpheresBodyObj[faces.len]];
boxes _ revoSweepHint.boxes;
spheres _ revoSweepHint.spheres;
FOR i: NAT IN[0..faces.len) DO
WITH faces[i] SELECT FROM
cone: Cone => {
boxes[i] _ SVBoundBox.BoundBoxFromBoundHedron[cone.boundHedron, camera, prim.localCS];
spheres[i] _ SVBoundSphere.BoundSphereFromBoundHedron[cone.boundHedron, worldCS, prim.localCS];
};
ring: DiskRing=> {
boxes[i] _ SVBoundBox.BoundBoxFromBoundHedron[ring.boundHedron, camera, prim.localCS];
spheres[i] _ SVBoundSphere.BoundSphereFromBoundHedron[ring.boundHedron, worldCS, prim.localCS];
};
cyl: Cylinder=> {
boxes[i] _ SVBoundBox.BoundBoxFromBoundHedron[cyl.boundHedron, camera, prim.localCS];
spheres[i] _ SVBoundSphere.BoundSphereFromBoundHedron[cyl.boundHedron, worldCS, prim.localCS];
};
ENDCASE => ERROR;
ENDLOOP;
spheres.len _ faces.len;
boxes.len _ faces.len;
prim.hints _ revoSweepHint;
};
RevoSweepLineDraw: PUBLIC PROC[slice: Slice, dc: Imager.Context, camera: Camera] = {
localCS: CoordSystem _ slice.coordSys;
mo: MasterObject _ NARROW[slice.shape, Shape].mo;
revMesh: RevoluteMesh;
revMesh _ NARROW[mo.lineBody];
SVSweepGeometry.LineDrawRevoluteSweep[dc, revMesh, camera, localCS];
};
RevoSweepDrawNormals: PUBLIC PROC[dc: Imager.Context, data: REF ANY, camera: Camera, localCS: CoordSystem] = {
revMesh: RevoluteMesh;
IF ISTYPE[data, RevoluteMesh]
THEN revMesh _ NARROW[data]
ELSE SIGNAL SVMasterObject.WrongTypeOfData;
SVSweepGeometry.DrawNormalsRevoluteSweep[dc, revMesh, camera, localCS];
};
RevoSweepCountSurf: PUBLIC PROC [masterObject: MasterObject] RETURNS [len: NAT] = {
revMesh: RevoluteMesh _ NARROW[masterObject.shadeBody];
len _ SVSweepGeometry.CountPlanarSurfacesRevoluteSweep[revMesh];
};
RevoSweepCountVert: PUBLIC PROC [masterObject: MasterObject] RETURNS [len: NAT] = {
revMesh: RevoluteMesh _ NARROW[masterObject.shadeBody];
len _ SVSweepGeometry.CountVerticesRevoluteSweep[revMesh];
};
RevoSweepGetSurf: PUBLIC PROC [slice: Slice, camera: CoordSystem, eyeWorld: Point3d] RETURNS [psl: PlanarSurfaceList] = {
shape: Shape _ NARROW[slice.shape];
masterObject: MasterObject _ shape.mo;
revMesh: RevoluteMesh _ NARROW[masterObject.shadeBody];
psl _ SVSweepGeometry.PlanarSurfacesRevoluteSweep[revMesh, slice, camera];
};
RevoSweepDrawSurf: PUBLIC PROC [dc: Imager.Context, ps: PlanarSurface, lightSources: LightSourceList, camera: Camera, eyeWorld: Point3d, hiddenLine: BOOL] = {
SVSweepGeometry.DrawPlanarSurfaceRevoluteSweep[dc, ps, lightSources, camera, hiddenLine];
};
RevoSweepDrawSubBoxes: PUBLIC PROC [dc: Imager.Context, prim: Primitive, screenCS: CoordSystem] = {
revoHint: RevoSweepHint _ NARROW[prim.hints]; 
boxes: SubBoxesBody _ revoHint.boxes;
FOR i: NAT IN [0..boxes.len) DO
SVBoundBox.DrawBoundBox[dc, boxes[i], screenCS];
ENDLOOP;
};
RevoSweepDrawSubSpheres: PUBLIC PROC [dc: Imager.Context, prim: Primitive, camera: Camera] = {
revoHint: RevoSweepHint _ NARROW[prim.hints]; 
spheres: SubSpheresBody _ revoHint.spheres;
FOR i: NAT IN [0..spheres.len) DO
SVBoundSphere.DrawBoundSphere[dc, spheres[i], camera];
ENDLOOP;
};
RevoluteFileout: PUBLIC PROC [f: IO.STREAM, mo: MasterObject] = {
rma: RevoluteMeshArray;
revMesh: RevoluteMesh _ NARROW[mo.lineBody];
lat, long: NAT;
rma _ revMesh.array;
lat _ revMesh.linesOfLatitude;
long _ revMesh.linesOfLongitude;
f.PutF["lat: %g, long: %g\npoints [%g]:\n", -- TAB
[integer[lat]],[integer[long]],[integer[lat]]];
FOR i: NAT IN[1..lat-1] DO
SVParseOut.FileoutPoint3dAsPoint2d[f, rma[i][long]];
f.PutF[","];
IF (i/3)*3 = i THEN f.PutF["\n"]; -- CR TAB
ENDLOOP;
SVParseOut.FileoutPoint3dAsPoint2d[f, rma[lat][long]];
f.PutChar[IO.CR];
};
RevoluteFilein: PUBLIC PROC [f: IO.STREAM, name: Rope.ROPE, csList: CoordSysList, defaultCS: CoordSystem, wdir: Rope.ROPE, version: REAL, feedback: FeedbackData] RETURNS [mo: MasterObject] = {
lat, long, count: NAT;
path: Path;
GGParseIn.ReadWRope[f, "lat:"];
lat _ GGParseIn.ReadWNAT[f];
GGParseIn.ReadWRope[f, ","];
GGParseIn.ReadWRope[f, "long:"];
long _ GGParseIn.ReadWNAT[f];
GGParseIn.ReadWRope[f, "points"];
GGParseIn.ReadWRope[f, "["];
count _ GGParseIn.ReadWNAT[f];
GGParseIn.ReadWRope[f, "]:"];
GGParseIn.ReadBlank[f];
path _ SVPolygon2d.CreatePath[count];
FOR i: NAT IN[1..count-1] DO
SVPolygon2d.PutPathPoint[path, i-1, SVParseIn.ReadPoint2d[f]];
GGParseIn.ReadWRope[f, ","];
GGParseIn.ReadBlank[f];
ENDLOOP;
SVPolygon2d.PutPathPoint[path, lat-1, SVParseIn.ReadPoint2d[f]];
GGParseIn.ReadBlank[f];
mo _ RevoSweepMakeMasterObject[name, path, long];
};
RevoluteFileoutPoly: PUBLIC PROC [f: IO.STREAM, mo: MasterObject] = {
revMesh: RevoluteMesh _ NARROW[mo.shadeBody];
SVSweepGeometry.PolyListRevolute[f, revMesh];
};


NoOpGetHedron: PUBLIC GetHedronProc = {RETURN[NIL]};
NoOpLineDraw: PUBLIC LineDrawProc = {};	-- don't draw anything
NoOpNormalsDraw: PUBLIC NormalsDrawProc = {};	-- don't draw anything
NoOpPreprocess: PUBLIC PreprocessProc = {};	-- don't preprocess anything
NoOpRayCast: PUBLIC RayCastProc = {
class _ SVCastRays.GetClassFromPool[];
SVCastRays.MakeClassAMiss[class];
};
NoOpRayCastNoBBoxes: PUBLIC RayCastNoBBoxesProc = {
class _ SVCastRays.GetClassFromPool[];
SVCastRays.MakeClassAMiss[class];
};
NoOpRayCastBoundingSpheres: PUBLIC RayCastBoundingSpheresProc = {
class _ SVCastRays.GetClassFromPool[];
SVCastRays.MakeClassAMiss[class];
};
NoOpDrawPlanarSurface: PUBLIC DrawPlanarSurfaceProc = {};	-- don't draw anything
NoOpDrawSubBoxes: PUBLIC DrawSubBoxesProc = {};		-- don't draw anything
NoOpDrawSubSpheres: PUBLIC DrawSubSpheresProc = {};		-- don't draw anything
NoOpDrawSelectionFeedback: PUBLIC DrawSelectionFeedbackProc = {};
NoOpDrawAttractorFeedback: PUBLIC DrawAttractorFeedbackProc = {
slice: Slice _ sliceD.slice;
pointGen: SVSceneTypes.PointGenerator;
IF dragInProgress AND selectedParts # NIL THEN {}
ELSE {
pointGen _ SVAssembly.PointsInDescriptor[sliceD, FALSE];
FOR pointAndDone: SVSceneTypes.PointAndDone _ SVAssembly.NextPoint[pointGen], SVAssembly.NextPoint[pointGen] UNTIL pointAndDone.done DO
SVDraw3d.DrawCP[dc, pointAndDone.point, camera];
ENDLOOP;
};
};

NoOpDescribe: PUBLIC DescribeProc = {}; -- say nothing
NoOpDescribeHit: PUBLIC DescribeHitProc = {}; -- say nothing
NoOpFilein: PUBLIC FileinProc = {};
NoOpFileout: PUBLIC FileoutProc = {};
NoOpFileoutPoly: PUBLIC FileoutPolyProc = {};
NoOpCountPlanarSurfaces: PUBLIC CountSurfProc = {RETURN[0]};
NoOpGetPlanarSurfaces: PUBLIC GetSurfProc = {RETURN[NIL]};
NoOpIsEmptyParts: PUBLIC IsEmptyPartsProc = {
RETURN[TRUE];
};
NoOpIsCompleteParts: PUBLIC IsCompletePartsProc = {
RETURN[FALSE];
};
NoOpNewParts: PUBLIC NewPartsProc = {
sliceD _ SVAssembly.DescriptorFromParts[slice, NIL];
};
NoOpUnionParts: PUBLIC UnionPartsProc = {

};
NoOpDifferenceParts: PUBLIC DifferencePartsProc = {

};
NoOpMovingParts: PUBLIC MovingPartsProc = {

};
NoOpAugmentParts: PUBLIC AugmentPartsProc = {

};
NoOpPointsInDescriptor: PUBLIC PointsInDescriptorProc = {
pointGen: PointGenerator;
pointGen _ NEW[PointGeneratorObj _ [
sliceD: sliceD,
toGo: 0,
index: 0,
centroids: FALSE,
classSpecific: NIL
]];
RETURN[pointGen];
};
NoOpNextPoint: PUBLIC NextPointProc = {
pointAndDone.done _ TRUE;
pointAndDone.point _ [0,0,0];
};
NoOpPointPairsInDescriptor: PUBLIC PointPairsInDescriptorProc = {
pointPairGen: PointPairGenerator;
pointPairGen _ NEW[PointPairGeneratorObj _ [
sliceD: sliceD,
toGo: 0,
index: 0,
classSpecific: NIL
]];
RETURN[pointPairGen];
};
NoOpNextPointPair: PUBLIC NextPointPairProc = {
pointPairAndDone.done _ TRUE;
pointPairAndDone.lo _ [0,0,0];
pointPairAndDone.hi _ [0,0,0];
};

NoOpClosestPointToPoint: PUBLIC ClosestPointToPointProc = {
success _ FALSE;
};
NoOpClosestPointToLine: PUBLIC ClosestPointToLineProc = {
success _ FALSE;
};
NoOpClosestSegmentToPoint: PUBLIC ClosestSegmentToPointProc = {
success _ FALSE;
};
NoOpClosestSegmentToLine: PUBLIC ClosestSegmentToLineProc = {
success _ FALSE;
};

NoOpUpdate: PUBLIC UpdateProc = {
};

NoOpSetStrokeColor: PUBLIC SetStrokeColorProc = {
};
NoOpGetStrokeColor: PUBLIC GetStrokeColorProc = {
};
NoOpSetFillColor: PUBLIC SetFillColorProc = {
};
NoOpGetFillColor: PUBLIC GetFillColorProc = {
};
Init: PROC = {
linClass _ NEW[MasterObjectClassObj _ [
name: "linearSweep",
update: LinSweepUpdate,
filein: LinearFilein,
fileout: LinearFileout,
fileoutPoly: LinearFileoutPoly,
rayCast: LinSweepRayCast,
rayCastNoBBoxes: LinSweepRayCastNoBBoxes,
rayCastBoundingSpheres: LinSweepRayCastBoundingSpheres,
getHedron: LinSweepBoundHedron,
preprocess: NoOpPreprocess,
lineDraw: LinSweepLineDraw,
normalsDraw: LinSweepDrawNormals,
countSurf: LinSweepCountSurf,
getSurf: LinSweepGetSurf,
pointsInDescriptor: NoOpPointsInDescriptor,
nextPoint: NoOpNextPoint,
drawSurf: LinSweepDrawSurf,
drawSubBoxes: NoOpDrawSubBoxes,
drawSubSpheres: NoOpDrawSubSpheres]];

revoClass _ NEW[MasterObjectClassObj _ [
name: "revoluteSweep",
update: RevoSweepUpdate,
filein: RevoluteFilein,
fileout: RevoluteFileout,
fileoutPoly: RevoluteFileoutPoly,
rayCast: RevoSweepRayCast,
rayCastNoBBoxes: RevoSweepRayCastNoBBoxes,
rayCastBoundingSpheres: RevoSweepRayCastBoundingSpheres,
getHedron: RevoSweepBoundHedron,
preprocess: RevoSweepPreprocess,
lineDraw: RevoSweepLineDraw,
normalsDraw: RevoSweepDrawNormals,
countSurf: RevoSweepCountSurf,
getSurf: RevoSweepGetSurf,
pointsInDescriptor: NoOpPointsInDescriptor,
nextPoint: NoOpNextPoint,
drawSurf: RevoSweepDrawSurf,
drawSubBoxes: RevoSweepDrawSubBoxes,
drawSubSpheres: RevoSweepDrawSubSpheres]];

SVMasterObject.RegisterMasterObjectClass[linClass];
SVMasterObject.RegisterMasterObjectClass[revoClass];
};

Init[];

END.



4File: SVMasterObjectImplB.mesa
Last edited by: Eric Bier on September 1, 1987 7:00:08 pm PDT
Copyright c 1984 by Xerox Corporation.  All rights reserved.
Contents: Defines a simple set of objects which can be display with ray casting, line drawing, or shaded planar-surface approximation.
GENERAL TYPES
GetHedronProc: TYPE = SVSceneTypes.GetHedronProc;
LineDrawProc: TYPE = SVSceneTypes.LineDrawProc;
NormalsDrawProc: TYPE = SVSceneTypes.NormalsDrawProc;
PreprocessProc: TYPE = SVSceneTypes.PreprocessProc;
RayCastProc: TYPE = SVSceneTypes.RayCastProc;
RayCastNoBBoxesProc: TYPE = SVSceneTypes.RayCastNoBBoxesProc;
RayCastBoundingSpheresProc: TYPE = SVSceneTypes.RayCastBoundingSpheresProc;
DrawPlanarSurfaceProc: TYPE = SVSceneTypes.DrawPlanarSurfaceProc;
DrawSubBoxesProc: TYPE = SVSceneTypes.DrawSubBoxesProc;
DrawSubSpheresProc: TYPE = SVSceneTypes.DrawSubSpheresProc;
FileinProc: TYPE = SVSceneTypes.FileinProc;
FileoutProc: TYPE = SVSceneTypes.FileoutProc;
FileoutPolyProc: TYPE = SVSceneTypes.FileoutPolyProc;
CountPlanarSurfacesProc: TYPE = SVSceneTypes.CountPlanarSurfacesProc;
GetPlanarSurfacesProc: TYPE = SVSceneTypes.GetPlanarSurfacesProc;
PointsInDescriptorProc: TYPE = SVSceneTypes.PointsInDescriptorProc;
NextPointProc: TYPE = SVSceneTypes.NextPointProc;
UpdateProc: TYPE = SVSceneTypes.UpdateProc;
GLOBAL VARIABLES

Assume that the defining contour has not been rotated.  Output elements [i][1]
the radius at this line of latitude is revMesh.array[i][revMesh.linesOfLongitude][1];
prim.hints is a set of bounding boxes
assume that the defining contour has not been rotated. Output the [i][long] points
Noop Procedures
A master object can use these entries if it doesn't implement one of these procedures
Fundamentals
Drawing
Textual Description
Parts
PROC [slice: Slice, hitData: REF ANY, hitPoint: Point3d, mode: SelectMode] RETURNS [sliceD: SliceDescriptor];
Part Generators
HitTest
PROC [sliceD: SliceDescriptor, testPoint: Point3d, criticalR: REAL] RETURNS [bestDist: REAL, pointWORLD: Point3d, hitData: REF ANY, success: BOOL];
PROC [sliceD: SliceDescriptor, cameraPoint: Point2d, line3d: Line3d, criticalR: REAL, camera: Camera] RETURNS [bestDist: REAL, pointWORLD: Point3d, hitData: REF ANY, success: BOOL];
PROC [sliceD: SliceDescriptor, testPoint: Point3d, criticalR: REAL] RETURNS [bestDist: REAL, pointWORLD: Point3d, hitData: REF ANY, success: BOOL];
PROC [sliceD: SliceDescriptor, cameraPoint: Point2d, line3d: Line3d, criticalR: REAL, camera: Camera] RETURNS [bestDist: REAL, pointWORLD: Point3d, hitData: REF ANY, success: BOOL];
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