ppc.types source code

1 /**
2 Copyright (c) 2018 Clipsey (clipseypone@gmail.com)
3 
4 Permission is hereby granted, free of charge, to any person or organization
5 obtaining a copy of the software and accompanying documentation covered by
6 this license (the "Software") to use, reproduce, display, distribute,
7 execute, and transmit the Software, and to prepare derivative works of the
8 Software, and to permit third-parties to whom the Software is furnished to
9 do so, all subject to the following:
10 
11 The copyright notices in the Software and this entire statement, including
12 the above license grant, this restriction and the following disclaimer,
13 must be included in all copies of the Software, in whole or in part, and
14 all derivative works of the Software, unless such copies or derivative
15 works are solely in the form of machine-executable object code generated by
16 a source language processor.
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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
21 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
22 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
23 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 DEALINGS IN THE SOFTWARE.
25 */
26 module ppc.types;
27 public import ppc.types.audio;
28 public import ppc.types.font;
29 public import ppc.types.image;
30 public import ppc.types.model;
31 public import ppc.types.script;
32 public import ppc.types.shader;
33 
34 import ppc.backend.cfile;
35 import ppc.backend.signatures;
36 
37 /// The types available to ppc
38 public enum Types : ubyte {
39     Audio,
40     Font,
41     Image,
42     Model,
43     Script,
44     Shader,
45     Raw,
46 
47 
48     Undecisive = 255
49 }
50 
51 public Types fileSigToType(MemFile mf) {
52     if (mf.hasSignature(FileSignature.AudioOGG) || 
53         mf.hasSignature(FileSignature.AudioWAV))
54             return Types.Audio;
55     if (mf.hasSignature(FileSignature.ImageBMP) || 
56         mf.hasSignature(FileSignature.ImagePNG) ||
57         mf.hasSignature(FileSignature.ImagePTI))
58             return Types.Image;
59     if (mf.hasSignature(FileSignature.ShaderPSGL))
60             return Types.Shader;
61     return Types.Undecisive;
62 }
63 
64 public Types fileExtToType(string filename) {
65     import std.path : extension;
66 
67     switch(filename.extension) {
68         case ".wav":
69         case ".ogg":
70         case ".pcm":
71             return Types.Audio;
72 
73         case ".png":
74         case ".tga":
75         case ".pti":
76         case ".bmp":
77             return Types.Image;
78 
79         // Vertex shaders
80         case ".vsh":
81         case ".vert":
82         
83         // Fragment shaders
84         case ".fsh":
85         case ".frag":
86 
87         // Geometry shaders
88         case ".gsh":
89         case ".geom":
90 
91         // Tesselation shaders
92         case ".tsh":
93         case ".tesc":
94         case ".tese":
95 
96         // Compute shaders
97         case ".csh":
98         case ".comp":
99 
100         // SPIR-V compiled shaders
101         case ".spv":
102         case ".sprv":
103             return Types.Shader;
104 
105         case ".fbx":
106         case ".obj":
107             return Types.Model;
108             
109         default:
110             return Types.Raw;
111     }
112 }
113 
114 public Types getTypeOf(string filename) {
115     import std.stdio;
116     import std.conv;
117     MemFile mf = loadFile(filename);
118     Types ts = fileSigToType(mf);
119     scope(exit) destroy(mf);
120     return (ts == Types.Undecisive) ? fileExtToType(filename) : ts;
121 }