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1/**
2 * @file xform_tut.cpp
3 * @author Adroit
4 * @date March 2007
5 * @brief Test cases for LLXform
6 *
7 * Copyright (c) 2007-2007, Linden Research, Inc.
8 *
9 * Second Life Viewer Source Code
10 * The source code in this file ("Source Code") is provided by Linden Lab
11 * to you under the terms of the GNU General Public License, version 2.0
12 * ("GPL"), unless you have obtained a separate licensing agreement
13 * ("Other License"), formally executed by you and Linden Lab. Terms of
14 * the GPL can be found in doc/GPL-license.txt in this distribution, or
15 * online at http://secondlife.com/developers/opensource/gplv2
16 *
17 * There are special exceptions to the terms and conditions of the GPL as
18 * it is applied to this Source Code. View the full text of the exception
19 * in the file doc/FLOSS-exception.txt in this software distribution, or
20 * online at http://secondlife.com/developers/opensource/flossexception
21 *
22 * By copying, modifying or distributing this software, you acknowledge
23 * that you have read and understood your obligations described above,
24 * and agree to abide by those obligations.
25 *
26 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
27 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
28 * COMPLETENESS OR PERFORMANCE.
29 */
30
31#include <tut/tut.h>
32#include "lltut.h"
33#include "linden_common.h"
34#include "xform.h"
35
36namespace tut
37{
38 struct xform_test
39 {
40 };
41 typedef test_group<xform_test> xform_test_t;
42 typedef xform_test_t::object xform_test_object_t;
43 tut::xform_test_t tut_xform_test("xform_test");
44
45 //test case for init(), getParent(), getRotation(), getPositionW(), getWorldRotation() fns.
46 template<> template<>
47 void xform_test_object_t::test<1>()
48 {
49 LLXform xform_obj;
50 LLVector3 emptyVec(0.f,0.f,0.f);
51 LLVector3 initialScaleVec(1.f,1.f,1.f);
52
53 ensure("LLXform empty constructor failed: ", !xform_obj.getParent() && !xform_obj.isChanged() &&
54 xform_obj.getPosition() == emptyVec &&
55 (xform_obj.getRotation()).isIdentity() &&
56 xform_obj.getScale() == initialScaleVec &&
57 xform_obj.getPositionW() == emptyVec &&
58 (xform_obj.getWorldRotation()).isIdentity() &&
59 !xform_obj.getScaleChildOffset());
60 }
61
62 // test cases for
63 // setScale(const LLVector3& scale)
64 // setScale(const F32 x, const F32 y, const F32 z)
65 // setRotation(const F32 x, const F32 y, const F32 z)
66 // setPosition(const F32 x, const F32 y, const F32 z)
67 // getLocalMat4(LLMatrix4 &mat)
68 template<> template<>
69 void xform_test_object_t::test<2>()
70 {
71 LLMatrix4 llmat4;
72 LLXform xform_obj;
73
74 F32 x = 3.6f;
75 F32 y = 5.5f;
76 F32 z = 4.2f;
77 F32 w = 0.f;
78 F32 posz = z + 2.122f;
79 LLVector3 vec(x, y, z);
80 xform_obj.setScale(x, y, z);
81 xform_obj.setPosition(x, y, posz);
82 ensure("setScale failed: ", xform_obj.getScale() == vec);
83
84 vec.setVec(x, y, posz);
85 ensure("getPosition failed: ", xform_obj.getPosition() == vec);
86
87 x = x * 2.f;
88 y = y + 2.3f;
89 z = posz * 4.f;
90 vec.setVec(x, y, z);
91 xform_obj.setPositionX(x);
92 xform_obj.setPositionY(y);
93 xform_obj.setPositionZ(z);
94 ensure("setPositionX/Y/Z failed: ", xform_obj.getPosition() == vec);
95
96 xform_obj.setScaleChildOffset(TRUE);
97 ensure("setScaleChildOffset failed: ", xform_obj.getScaleChildOffset());
98
99 vec.setVec(x, y, z);
100
101 xform_obj.addPosition(vec);
102 vec += vec;
103 ensure("addPosition failed: ", xform_obj.getPosition() == vec);
104
105 xform_obj.setScale(vec);
106 ensure("setScale vector failed: ", xform_obj.getScale() == vec);
107
108 LLQuaternion quat(x, y, z, w);
109 xform_obj.setRotation(quat);
110 ensure("setRotation quat failed: ", xform_obj.getRotation() == quat);
111
112 xform_obj.setRotation(x, y, z, w);
113 ensure("getRotation 2 failed: ", xform_obj.getRotation() == quat);
114
115 xform_obj.setRotation(x, y, z);
116 quat.setQuat(x,y,z);
117 ensure("setRotation xyz failed: ", xform_obj.getRotation() == quat);
118
119 // LLXform::setRotation(const F32 x, const F32 y, const F32 z)
120 // Does normalization
121 // LLXform::setRotation(const F32 x, const F32 y, const F32 z, const F32 s)
122 // Simply copies the individual values - does not do any normalization.
123 // Is that the expected behavior?
124 }
125
126 // test cases for inline BOOL setParent(LLXform *parent) and getParent() fn.
127 template<> template<>
128 void xform_test_object_t::test<3>()
129 {
130 LLXform xform_obj;
131 LLXform par;
132 LLXform grandpar;
133 xform_obj.setParent(&par);
134 par.setParent(&grandpar);
135 ensure("setParent/getParent failed: ", &par == xform_obj.getParent());
136 ensure("getRoot failed: ", &grandpar == xform_obj.getRoot());
137 ensure("isRoot failed: ", grandpar.isRoot() && !par.isRoot() && !xform_obj.isRoot());
138 ensure("isRootEdit failed: ", grandpar.isRootEdit() && !par.isRootEdit() && !xform_obj.isRootEdit());
139 }
140
141 template<> template<>
142 void xform_test_object_t::test<4>()
143 {
144 LLXform xform_obj;
145 xform_obj.setChanged(LLXform::TRANSLATED | LLXform::ROTATED | LLXform::SCALED);
146 ensure("setChanged/isChanged failed: ", xform_obj.isChanged());
147
148 xform_obj.clearChanged(LLXform::TRANSLATED | LLXform::ROTATED | LLXform::SCALED);
149 ensure("clearChanged failed: ", !xform_obj.isChanged());
150
151 LLVector3 llvect3(12.4f, -5.6f, 0.34f);
152 xform_obj.setScale(llvect3);
153 ensure("setScale did not set SCALED flag: ", xform_obj.isChanged(LLXform::SCALED));
154 xform_obj.setPosition(1.2f, 2.3f, 3.4f);
155 ensure("setScale did not set TRANSLATED flag: ", xform_obj.isChanged(LLXform::TRANSLATED));
156 ensure("TRANSLATED reset SCALED flag: ", xform_obj.isChanged(LLXform::TRANSLATED | LLXform::SCALED));
157 xform_obj.clearChanged(LLXform::SCALED);
158 ensure("reset SCALED failed: ", !xform_obj.isChanged(LLXform::SCALED));
159 xform_obj.setRotation(1, 2, 3, 4);
160 ensure("ROTATION flag not set ", xform_obj.isChanged(LLXform::TRANSLATED | LLXform::ROTATED));
161 xform_obj.setScale(llvect3);
162 ensure("ROTATION flag not set ", xform_obj.isChanged(LLXform::MOVED));
163 }
164
165 //to test init() and getWorldMatrix() fns.
166 template<> template<>
167 void xform_test_object_t::test<5>()
168 {
169 LLXformMatrix formMatrix_obj;
170 formMatrix_obj.init();
171 LLMatrix4 mat4_obj;
172
173 ensure("1. The value is not NULL", 1.f == formMatrix_obj.getWorldMatrix().mMatrix[0][0]);
174 ensure("2. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[0][1]);
175 ensure("3. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[0][2]);
176 ensure("4. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[0][3]);
177 ensure("5. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[1][0]);
178 ensure("6. The value is not NULL", 1.f == formMatrix_obj.getWorldMatrix().mMatrix[1][1]);
179 ensure("7. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[1][2]);
180 ensure("8. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[1][3]);
181 ensure("9. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[2][0]);
182 ensure("10. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[2][1]);
183 ensure("11. The value is not NULL", 1.f == formMatrix_obj.getWorldMatrix().mMatrix[2][2]);
184 ensure("12. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[2][3]);
185 ensure("13. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[3][0]);
186 ensure("14. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[3][1]);
187 ensure("15. The value is not NULL", 0.f == formMatrix_obj.getWorldMatrix().mMatrix[3][2]);
188 ensure("16. The value is not NULL", 1.f == formMatrix_obj.getWorldMatrix().mMatrix[3][3]);
189 }
190
191 //to test mMin.clearVec() and mMax.clearVec() fns
192 template<> template<>
193 void xform_test_object_t::test<6>()
194 {
195 LLXformMatrix formMatrix_obj;
196 formMatrix_obj.init();
197 LLVector3 llmin_vec3;
198 LLVector3 llmax_vec3;
199 formMatrix_obj.getMinMax(llmin_vec3, llmax_vec3);
200 ensure("1. The value is not NULL", 0.f == llmin_vec3.mV[0]);
201 ensure("2. The value is not NULL", 0.f == llmin_vec3.mV[1]);
202 ensure("3. The value is not NULL", 0.f == llmin_vec3.mV[2]);
203 ensure("4. The value is not NULL", 0.f == llmin_vec3.mV[0]);
204 ensure("5. The value is not NULL", 0.f == llmin_vec3.mV[1]);
205 ensure("6. The value is not NULL", 0.f == llmin_vec3.mV[2]);
206 }
207
208 //test case of update() fn.
209 template<> template<>
210 void xform_test_object_t::test<7>()
211 {
212 LLXformMatrix formMatrix_obj;
213
214 LLXformMatrix parent;
215 LLVector3 llvecpos(1.0, 2.0, 3.0);
216 LLVector3 llvecpospar(10.0, 20.0, 30.0);
217 formMatrix_obj.setPosition(llvecpos);
218 parent.setPosition(llvecpospar);
219
220 LLVector3 llvecparentscale(1.0, 2.0, 0);
221 parent.setScaleChildOffset(TRUE);
222 parent.setScale(llvecparentscale);
223
224 LLQuaternion quat(1, 2, 3, 4);
225 LLQuaternion quatparent(5, 6, 7, 8);
226 formMatrix_obj.setRotation(quat);
227 parent.setRotation(quatparent);
228 formMatrix_obj.setParent(&parent);
229
230 parent.update();
231 formMatrix_obj.update();
232
233 LLVector3 worldPos = llvecpos;
234 worldPos.scaleVec(llvecparentscale);
235 worldPos *= quatparent;
236 worldPos += llvecpospar;
237
238 LLQuaternion worldRot = quat * quatparent;
239
240 ensure("getWorldPosition failed: ", formMatrix_obj.getWorldPosition() == worldPos);
241 ensure("getWorldRotation failed: ", formMatrix_obj.getWorldRotation() == worldRot);
242
243 ensure("getWorldPosition for parent failed: ", parent.getWorldPosition() == llvecpospar);
244 ensure("getWorldRotation for parent failed: ", parent.getWorldRotation() == quatparent);
245 }
246}
247
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