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comparison dmscene.h @ 70:03aa729a9e90

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Refactor PLY file parsing from dmscene.* to dmply.* and some helper functions into dmutil.h
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 16 Dec 2019 07:51:05 +0200
parents 701bef61dcf1
children 1ed7f9d85342
comparison
equal deleted inserted replaced
69:267b3fd2c98c 70:03aa729a9e90
9 #ifndef DMSCENE_H 9 #ifndef DMSCENE_H
10 #define DMSCENE_H 1 10 #define DMSCENE_H 1
11 11
12 #include "dmutil.h" 12 #include "dmutil.h"
13 #include <cstdint> 13 #include <cstdint>
14 #include <fstream>
15 #include <unordered_map>
16 14
17 15
18 #define PLY_PROP_VERTEX_INDICES "vertex_indices" 16 /* Structures and classes
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 */ 17 */
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 18 struct DMVector3
125 { 19 {
126 float x, y, z; 20 float x, y, z;
127 }; 21 };
128 22
156 50
157 std::string 51 std::string
158 modelFile, 52 modelFile,
159 fragShaderFile, vertShaderFile, 53 fragShaderFile, vertShaderFile,
160 fragShaderStr, vertShaderStr; 54 fragShaderStr, vertShaderStr;
161
162 bool loadFromPLY(const std::string &filename);
163 bool loadFromPLY(const std::string &filename, DMPLYFileInfo &info);
164 55
165 DMModel() 56 DMModel()
166 { 57 {
167 nfaces = nvertices = 0; 58 nfaces = nvertices = 0;
168 59