Line data Source code
1 0 : /*
2 :
3 : OODebugDrawing.m
4 :
5 :
6 : Copyright (C) 2007-2013 Jens Ayton and contributors
7 :
8 : Permission is hereby granted, free of charge, to any person obtaining a copy
9 : of this software and associated documentation files (the "Software"), to deal
10 : in the Software without restriction, including without limitation the rights
11 : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 : copies of the Software, and to permit persons to whom the Software is
13 : furnished to do so, subject to the following conditions:
14 :
15 : The above copyright notice and this permission notice shall be included in all
16 : copies or substantial portions of the Software.
17 :
18 : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 : IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 : FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 : AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 : LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 : OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 : SOFTWARE.
25 :
26 : */
27 :
28 : #import "OODebugGLDrawing.h"
29 : #import "OOMacroOpenGL.h"
30 : #import "OOMaterial.h"
31 :
32 :
33 : #ifndef OODEBUGLDRAWING_DISABLE
34 :
35 0 : OOINLINE void ApplyColor(OOColor *color)
36 : {
37 : GLfloat r, g, b, a;
38 :
39 : OO_ENTER_OPENGL();
40 :
41 : if (EXPECT_NOT(color == nil)) color = [OOColor lightGrayColor];
42 : [color getRed:&r green:&g blue:&b alpha:&a];
43 : OOGL(glColor4f(r, g, b, a));
44 : }
45 :
46 :
47 0 : void OODebugDrawColoredBoundingBoxBetween(Vector min, Vector max, OOColor *color)
48 : {
49 : OODebugWFState state = OODebugBeginWireframe(YES);
50 : OO_ENTER_OPENGL();
51 :
52 : ApplyColor(color);
53 : OOGLBEGIN(GL_LINE_LOOP);
54 : glVertex3f(min.x, min.y, min.z);
55 : glVertex3f(max.x, min.y, min.z);
56 : glVertex3f(max.x, max.y, min.z);
57 : glVertex3f(min.x, max.y, min.z);
58 : glVertex3f(min.x, max.y, max.z);
59 : glVertex3f(max.x, max.y, max.z);
60 : glVertex3f(max.x, min.y, max.z);
61 : glVertex3f(min.x, min.y, max.z);
62 : OOGLEND();
63 : OOGLBEGIN(GL_LINES);
64 : glVertex3f(max.x, min.y, min.z);
65 : glVertex3f(max.x, min.y, max.z);
66 : glVertex3f(max.x, max.y, min.z);
67 : glVertex3f(max.x, max.y, max.z);
68 : glVertex3f(min.x, min.y, min.z);
69 : glVertex3f(min.x, max.y, min.z);
70 : glVertex3f(min.x, min.y, max.z);
71 : glVertex3f(min.x, max.y, max.z);
72 : OOGLEND();
73 :
74 : OODebugEndWireframe(state);
75 : }
76 :
77 :
78 0 : void OODebugDrawColoredLine(Vector start, Vector end, OOColor *color)
79 : {
80 : OODebugWFState state = OODebugBeginWireframe(YES);
81 : OO_ENTER_OPENGL();
82 :
83 : ApplyColor(color);
84 :
85 : OOGLBEGIN(GL_LINES);
86 : glVertex3f(start.x, start.y, start.z);
87 : glVertex3f(end.x, end.y, end.z);
88 : OOGLEND();
89 :
90 : OODebugEndWireframe(state);
91 : }
92 :
93 :
94 0 : void OODebugDrawBasis(Vector position, GLfloat scale)
95 : {
96 : OODebugWFState state = OODebugBeginWireframe(YES);
97 : OO_ENTER_OPENGL();
98 :
99 : OOGLBEGIN(GL_LINES);
100 : glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
101 : glVertex3f(position.x, position.y, position.z);
102 : glVertex3f(position.x + scale, position.y, position.z);
103 :
104 : glColor4f(0.0f, 1.0f, 0.0f, 1.0f);
105 : glVertex3f(position.x, position.y, position.z);
106 : glVertex3f(position.x, position.y + scale, position.z);
107 :
108 : glColor4f(0.0f, 0.0f, 1.0f, 1.0f);
109 : glVertex3f(position.x, position.y, position.z);
110 : glVertex3f(position.x, position.y, position.z + scale);
111 : OOGLEND();
112 :
113 : OODebugEndWireframe(state);
114 : }
115 :
116 :
117 0 : void OODebugDrawPoint(Vector position, OOColor *color)
118 : {
119 : OODebugWFState state = OODebugBeginWireframe(YES);
120 : OO_ENTER_OPENGL();
121 :
122 : ApplyColor(color);
123 : OOGL(GLScaledPointSize(10));
124 :
125 : OOGLBEGIN(GL_POINTS);
126 : glVertex3f(position.x, position.y, position.z);
127 : OOGLEND();
128 :
129 : OODebugEndWireframe(state);
130 : }
131 :
132 :
133 0 : OODebugWFState OODebugBeginWireframe(BOOL ignoreZ)
134 : {
135 : OO_ENTER_OPENGL();
136 :
137 : OODebugWFState state = { .material = [OOMaterial current] };
138 : [OOMaterial applyNone];
139 :
140 : OOGL(glPushAttrib(GL_ENABLE_BIT | GL_DEPTH_BUFFER_BIT | GL_LINE_BIT | GL_POINT_BIT | GL_CURRENT_BIT));
141 :
142 : OOGL(glDisable(GL_LIGHTING));
143 : OOGL(glDisable(GL_TEXTURE_2D));
144 : OOGL(glDisable(GL_FOG));
145 : if (ignoreZ)
146 : {
147 : OOGL(glDisable(GL_DEPTH_TEST));
148 : OOGL(glDepthMask(GL_FALSE));
149 : }
150 : else
151 : {
152 : OOGL(glEnable(GL_DEPTH_TEST));
153 : OOGL(glDepthMask(GL_TRUE));
154 : }
155 :
156 : OOGL(GLScaledLineWidth(1.0f));
157 :
158 : return state;
159 : }
160 :
161 :
162 0 : void OODebugEndWireframe(OODebugWFState state)
163 : {
164 : OO_ENTER_OPENGL();
165 : OOGL(glPopAttrib());
166 : [state.material apply];
167 : }
168 :
169 : #endif
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