选择实体面然后移动 ARX 代码

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1. #include "StdAfx.h"
4. // Function declaration
5. Acad::ErrorStatus acedGetSelFaces(AcDbObjectId& selectedSolidId, AcArray<AcDbSubentId*>& faceSet);
7. // Function definition
8. Acad::ErrorStatus acedGetSelFaces(AcDbObjectId& selectedSolidId, AcArray<AcDbSubentId*>& faceSet) {
9.     // Initialize result to invalid input
10.     Acad::ErrorStatus result = Acad::eInvalidInput;
12.     // Prompt the user to select a solid
13.     ads_name ss;
14.     int rc = acedSSGet(NULL, NULL, NULL, NULL, ss);
15.     if (rc != RTNORM) {
16.         return Acad::eNotApplicable;  // User canceled
17.     }
19.     // Check if the selection set is empty
20.     Adesk::Int32 length;
21.     acedSSLength(ss, &length);
22.     if (length == 0) {
23.         acedSSFree(ss);
24.         return Acad::eInvalidInput;  // No solids selected
25.     }
27.     // Get the first selected entity
28.     ads_name ent;
29.     acedSSName(ss, 0, ent);
31.     // Open the selected entity
32.     AcDbObjectId objId;
33.     acdbGetObjectId(objId, ent);
34.     AcDb3dSolid* solid = nullptr;
35.     if (acdbOpenObject(solid, objId, AcDb::kForRead) != Acad::eOk) {
36.         acedSSFree(ss);
37.         return Acad::eInvalidInput;  // Selected entity is not a solid
38.     }
40.     // Store the selected solid ID
41.     selectedSolidId = objId;
43.     // Use the selector to select faces
44.     AcEdSolidSubentitySelector selector;
45.     result = selector.selectFaces(selectedSolidId, faceSet);
47.     // Clean up
48.     acedSSFree(ss);
49.     solid->close();
51.     return result;
52. }
54. // mycommand
55. void mySelectFacesCommand() {
56.     AcDbObjectId selectedSolidId;
57.     AcArray<AcDbSubentId*> faceSet;
59.     // Call the custom function
60.     Acad::ErrorStatus es = acedGetSelFaces(selectedSolidId, faceSet);
62.     if (es != Acad::eOk) {
63.         // Handle error cases
64.         acedAlert(es == Acad::eInvalidInput ? _T("No solids selected.") :
65.             es == Acad::eNotApplicable ? _T("User canceled input.") :
66.             _T("Unexpected error occurred."));
67.         return;
68.     }
70.     // Open the solid for write
71.     AcDb3dSolid* solid = nullptr;
72.     if (acdbOpenObject(solid, selectedSolidId, AcDb::kForWrite) != Acad::eOk) {
73.         acedAlert(_T("Failed to open solid for writing."));
74.         return;
75.     }
77.     ads_point basePoint, secondPoint;
78.     // Prompt the user to select the base point for extrusion
79.     if (acedGetPoint(NULL, _T("\nSpecify the base point for extrusion: "), basePoint) != RTNORM) {
80.         acedAlert(_T("Failed to get base point."));
81.         solid->close();
82.         return;
83.     }
85.     // Prompt the user to select the second point to define the extrusion direction
86.     if (acedGetPoint(basePoint, _T("\nSpecify the second point for extrusion direction: "), secondPoint) != RTNORM) {
87.         acedAlert(_T("Failed to get second point."));
88.         solid->close();
89.         return;
90.     }
92.     // Calculate extrusion direction and distance
93.     AcGeVector3d extrusionDir(secondPoint[0] - basePoint[0], secondPoint[1] - basePoint[1], secondPoint[2] - basePoint[2]);
94.     double extrusionDistance = extrusionDir.length();
96.     // Extrude in the negative direction if necessary
97.     if (extrusionDir.x < 0 || extrusionDir.y < 0 || extrusionDir.z < 0) {
98.         extrusionDistance *= -1;
99.     }
101.     // Extrude the faces with taper angle set to 0
102.     Acad::ErrorStatus extrudeStatus = solid->extrudeFaces(faceSet, extrusionDistance, 0.0);
104.     if (extrudeStatus == Acad::eOk) {
105.         acutPrintf(_T("\nFaces extruded successfully."));
106.     }
107.     else {
108.         acedAlert(_T("Failed to extrude faces."));
109.     }
111.     solid->close();
113.     // Clean up memory allocated for faceSet
114.     for (int i = 0; i < faceSet.length(); ++i) {
115.         delete faceSet[i];
116.     }
117.     faceSet.setLogicalLength(0);  // Clear the array
118. }
120. // Entry point function
121. extern "C" __declspec(dllexport)
122. AcRx::AppRetCode acrxEntryPoint(AcRx::AppMsgCode msg, void* pkt) {
123.     switch (msg) {
124.     case AcRx::kInitAppMsg:
125.         acrxDynamicLinker->unlockApplication(pkt);
126.         acrxDynamicLinker->registerAppMDIAware(pkt);
127.         acedRegCmds->addCommand(_T("MYCOMMANDS"), _T("MYSELECTFACES"), _T("SELECTFACES"), ACRX_CMD_MODAL, mySelectFacesCommand);
128.         break;
129.     case AcRx::kUnloadAppMsg:
130.         acedRegCmds->removeGroup(_T("MYCOMMANDS"));
131.         break;
132.     default:
133.         break;
134.     }
135.     return AcRx::kRetOK;
136. }

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