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comparison dmscene.h @ 61:7b138613e2fc

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Rename dmmodel.* to dmscene.*
author Matti Hamalainen <ccr@tnsp.org>
date Sat, 14 Dec 2019 14:08:51 +0200
parents dmmodel.h@8b335eb444ae
children 701bef61dcf1
comparison
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60:f645e38e3157 61:7b138613e2fc
1 //
2 // GLDragon - OpenGL PLY model viewer / simple benchmark
3 // -- Scene and model handling + PLY file parsing
4 // Programmed and designed by Matti 'ccr' Hämäläinen <ccr@tnsp.org>
5 // (C) Copyright 2019 Tecnic Software productions (TNSP)
6 //
7 // See file "COPYING" for license information.
8 //
9 #ifndef DMSCENE_H
10 #define DMSCENE_H 1
11
12 #include "dmutil.h"
13 #include <cstdint>
14 #include <fstream>
15 #include <unordered_map>
16
17
18 #define PLY_PROP_VERTEX_INDICES "vertex_indices"
19 #define PLY_ELEM_FACE "face"
20 #define PLY_ELEM_VERTEX "vertex"
21
22
23 enum DMPLYFormat
24 {
25 PLY_FMT_UNKNOWN,
26 PLY_FMT_ASCII,
27 PLY_FMT_BIN_LE,
28 PLY_FMT_BIN_BE
29 };
30
31
32 enum DMPLYPropType
33 {
34 PLY_TYPE_NONE,
35 PLY_TYPE_LIST,
36
37 PLY_TYPE_UINT8,
38 PLY_TYPE_INT8,
39 PLY_TYPE_INT16,
40 PLY_TYPE_UINT16,
41 PLY_TYPE_INT32,
42 PLY_TYPE_UINT32,
43 PLY_TYPE_FLOAT,
44 PLY_TYPE_DOUBLE
45 };
46
47
48 /* Structures
49 */
50 union DMPLYPropValue
51 {
52 double v_double;
53 float v_float;
54 unsigned int v_uint;
55 int v_int;
56 };
57
58
59 struct DMPLYFileProperty
60 {
61 std::string name;
62 DMPLYPropType
63 type,
64 list_num_type,
65 list_values_type;
66
67 DMPLYPropValue value, list_num_value;
68 std::vector<DMPLYPropValue> list_values;
69 };
70
71
72 struct DMPLYFileElement
73 {
74 int value;
75 std::string name;
76
77 std::unordered_map<std::string, DMPLYFileProperty> prop_map;
78 std::vector<DMPLYFileProperty *> properties;
79
80 DMPLYFileProperty *checkProp(const std::string &prop)
81 {
82 if (prop_map.count(prop))
83 return &prop_map[prop];
84 else
85 return 0;
86 }
87 };
88
89
90 struct DMTextFileInfo
91 {
92 int nline, state;
93 std::string filename;
94 std::string line;
95 std::ifstream file;
96 std::string *key;
97 };
98
99
100 struct DMPLYFileInfo : DMTextFileInfo
101 {
102 DMPLYFormat format;
103
104 std::unordered_map<std::string, DMPLYFileElement> elem_map;
105 std::vector<DMPLYFileElement *> elements;
106 DMPLYFileElement *element;
107
108 DMPLYFileInfo()
109 {
110 element = 0;
111 format = PLY_FMT_UNKNOWN;
112 }
113
114 DMPLYFileElement *checkElem(const std::string &elem)
115 {
116 if (elem_map.count(elem))
117 return &elem_map[elem];
118 else
119 return 0;
120 }
121 };
122
123
124 struct DMVector3
125 {
126 float x, y, z;
127 };
128
129
130 union DMVector4
131 {
132 struct { float x, y, z, w; } p;
133 struct { float r, g, b, a; } c;
134 float values[4];
135 };
136
137
138 struct DMMaterial
139 {
140 DMVector4 ambient, diffuse, specular;
141 int shininess;
142 };
143
144
145 struct DMModel
146 {
147 int nvertices, nfaces;
148 std::vector<DMVector3> vertices, normals;
149 std::vector<unsigned int> faces;
150
151 DMMaterial material;
152 DMVector3 translate, scale, rotate;
153 bool translateSet, scaleSet, rotateSet;
154
155 unsigned int id_prog, id_fs, id_vs;
156
157 std::string
158 modelFile,
159 fragShaderFile, vertShaderFile,
160 fragShaderStr, vertShaderStr;
161
162 bool loadFromPLY(const std::string &filename);
163 bool loadFromPLY(const std::string &filename, DMPLYFileInfo &info);
164
165 DMModel()
166 {
167 nfaces = nvertices = 0;
168
169 translate.x = translate.y = translate.z = 0;
170 rotate.x = rotate.y = rotate.z = 0;
171 scale.x = scale.y = scale.z = 0;
172 translateSet = rotateSet = scaleSet = false;
173
174 material.diffuse.c.r = material.diffuse.p.z = 0.56471f;
175 material.diffuse.c.g = 0.5f;
176 material.diffuse.c.a = 1.0f;
177
178 material.specular.c.r = material.specular.c.g = material.specular.c.b = 0.8f;
179 material.specular.c.a = 1.0f;
180
181 material.shininess = 96;
182 }
183 };
184
185
186 struct DMLight
187 {
188 DMMaterial color;
189 DMVector4 position, pointAt;
190
191 DMLight()
192 {
193 color.ambient.c.r = color.ambient.c.g = color.ambient.p.z = 0.2f; color.ambient.c.a = 1.0f;
194 color.diffuse.c.r = color.diffuse.c.g = color.diffuse.p.z = 0.8f; color.diffuse.c.a = 1.0f;
195 color.specular.c.r = color.specular.c.g = color.specular.p.z = 0.5f; color.specular.c.a = 1.0f;
196
197 position.p.x = 10.0f;
198 position.p.y = 10.0f;
199 position.p.z = 0.0f;
200 position.p.w = 0.0f;
201 }
202 };
203
204
205 struct DMCamera
206 {
207 DMVector4 position, pointAt;
208 };
209
210
211 struct DMSimpleScene
212 {
213 DMCamera camera;
214 std::vector<DMLight> lights;
215 std::vector<DMModel> models;
216
217 bool loadInfo(const std::string &filename);
218 };
219
220 #endif