1 /*************************************************************************/
2 /* math_fieldwise.cpp */
3 /*************************************************************************/
4 /* This file is part of: */
5 /* GODOT ENGINE */
6 /* https://godotengine.org */
7 /*************************************************************************/
8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
9 /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
10 /* */
11 /* Permission is hereby granted, free of charge, to any person obtaining */
12 /* a copy of this software and associated documentation files (the */
13 /* "Software"), to deal in the Software without restriction, including */
14 /* without limitation the rights to use, copy, modify, merge, publish, */
15 /* distribute, sublicense, and/or sell copies of the Software, and to */
16 /* permit persons to whom the Software is furnished to do so, subject to */
17 /* the following conditions: */
18 /* */
19 /* The above copyright notice and this permission notice shall be */
20 /* included in all copies or substantial portions of the Software. */
21 /* */
22 /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23 /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
25 /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26 /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27 /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29 /*************************************************************************/
30
31 #ifdef TOOLS_ENABLED
32
33 #include "math_fieldwise.h"
34
35 #define SETUP_TYPE(m_type) \
36 m_type source = p_source; \
37 m_type target = p_target;
38 #define TRY_TRANSFER_FIELD(m_name, m_member) \
39 if (p_field == m_name) { \
40 target.m_member = source.m_member; \
41 }
42
fieldwise_assign(const Variant & p_target,const Variant & p_source,const String & p_field)43 Variant fieldwise_assign(const Variant &p_target, const Variant &p_source, const String &p_field) {
44
45 ERR_FAIL_COND_V(p_target.get_type() != p_source.get_type(), p_target);
46
47 /* clang-format makes a mess of this macro usage */
48 /* clang-format off */
49
50 switch (p_source.get_type()) {
51
52 case Variant::VECTOR2: {
53
54 SETUP_TYPE(Vector2)
55
56 /**/ TRY_TRANSFER_FIELD("x", x)
57 else TRY_TRANSFER_FIELD("y", y)
58
59 return target;
60 }
61
62 case Variant::RECT2: {
63
64 SETUP_TYPE(Rect2)
65
66 /**/ TRY_TRANSFER_FIELD("x", position.x)
67 else TRY_TRANSFER_FIELD("y", position.y)
68 else TRY_TRANSFER_FIELD("w", size.x)
69 else TRY_TRANSFER_FIELD("h", size.y)
70
71 return target;
72 }
73
74 case Variant::VECTOR3: {
75
76 SETUP_TYPE(Vector3)
77
78 /**/ TRY_TRANSFER_FIELD("x", x)
79 else TRY_TRANSFER_FIELD("y", y)
80 else TRY_TRANSFER_FIELD("z", z)
81
82 return target;
83 }
84
85 case Variant::PLANE: {
86
87 SETUP_TYPE(Plane)
88
89 /**/ TRY_TRANSFER_FIELD("x", normal.x)
90 else TRY_TRANSFER_FIELD("y", normal.y)
91 else TRY_TRANSFER_FIELD("z", normal.z)
92 else TRY_TRANSFER_FIELD("d", d)
93
94 return target;
95 }
96
97 case Variant::QUAT: {
98
99 SETUP_TYPE(Quat)
100
101 /**/ TRY_TRANSFER_FIELD("x", x)
102 else TRY_TRANSFER_FIELD("y", y)
103 else TRY_TRANSFER_FIELD("z", z)
104 else TRY_TRANSFER_FIELD("w", w)
105
106 return target;
107 }
108
109 case Variant::AABB: {
110
111 SETUP_TYPE(AABB)
112
113 /**/ TRY_TRANSFER_FIELD("px", position.x)
114 else TRY_TRANSFER_FIELD("py", position.y)
115 else TRY_TRANSFER_FIELD("pz", position.z)
116 else TRY_TRANSFER_FIELD("sx", size.x)
117 else TRY_TRANSFER_FIELD("sy", size.y)
118 else TRY_TRANSFER_FIELD("sz", size.z)
119
120 return target;
121 }
122
123 case Variant::TRANSFORM2D: {
124
125 SETUP_TYPE(Transform2D)
126
127 /**/ TRY_TRANSFER_FIELD("xx", elements[0][0])
128 else TRY_TRANSFER_FIELD("xy", elements[0][1])
129 else TRY_TRANSFER_FIELD("yx", elements[1][0])
130 else TRY_TRANSFER_FIELD("yy", elements[1][1])
131 else TRY_TRANSFER_FIELD("ox", elements[2][0])
132 else TRY_TRANSFER_FIELD("oy", elements[2][1])
133
134 return target;
135 }
136
137 case Variant::BASIS: {
138
139 SETUP_TYPE(Basis)
140
141 /**/ TRY_TRANSFER_FIELD("xx", elements[0][0])
142 else TRY_TRANSFER_FIELD("xy", elements[0][1])
143 else TRY_TRANSFER_FIELD("xz", elements[0][2])
144 else TRY_TRANSFER_FIELD("yx", elements[1][0])
145 else TRY_TRANSFER_FIELD("yy", elements[1][1])
146 else TRY_TRANSFER_FIELD("yz", elements[1][2])
147 else TRY_TRANSFER_FIELD("zx", elements[2][0])
148 else TRY_TRANSFER_FIELD("zy", elements[2][1])
149 else TRY_TRANSFER_FIELD("zz", elements[2][2])
150
151 return target;
152 }
153
154 case Variant::TRANSFORM: {
155
156 SETUP_TYPE(Transform)
157
158 /**/ TRY_TRANSFER_FIELD("xx", basis.elements[0][0])
159 else TRY_TRANSFER_FIELD("xy", basis.elements[0][1])
160 else TRY_TRANSFER_FIELD("xz", basis.elements[0][2])
161 else TRY_TRANSFER_FIELD("yx", basis.elements[1][0])
162 else TRY_TRANSFER_FIELD("yy", basis.elements[1][1])
163 else TRY_TRANSFER_FIELD("yz", basis.elements[1][2])
164 else TRY_TRANSFER_FIELD("zx", basis.elements[2][0])
165 else TRY_TRANSFER_FIELD("zy", basis.elements[2][1])
166 else TRY_TRANSFER_FIELD("zz", basis.elements[2][2])
167 else TRY_TRANSFER_FIELD("xo", origin.x)
168 else TRY_TRANSFER_FIELD("yo", origin.y)
169 else TRY_TRANSFER_FIELD("zo", origin.z)
170
171 return target;
172 }
173
174 default: {
175 ERR_FAIL_V(p_target);
176 }
177 }
178 /* clang-format on */
179 }
180
181 #endif // TOOLS_ENABLED
182