aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/src/others/irrlicht-1.8.1/source/Irrlicht/CPLYMeshFileLoader.h
blob: d9168634a7688829dc9dcb6f0f4c36ebe4ae9ddd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
// Copyright (C) 2009-2012 Gaz Davidson
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h

#ifndef __C_PLY_MESH_FILE_LOADER_H_INCLUDED__
#define __C_PLY_MESH_FILE_LOADER_H_INCLUDED__

#include "IMeshLoader.h"
#include "ISceneManager.h"
#include "CDynamicMeshBuffer.h"

namespace irr
{
namespace scene
{

enum E_PLY_PROPERTY_TYPE
{
	EPLYPT_INT8  = 0,
	EPLYPT_INT16,
	EPLYPT_INT32,
	EPLYPT_FLOAT32,
	EPLYPT_FLOAT64,
	EPLYPT_LIST,
	EPLYPT_UNKNOWN
};

//! Meshloader capable of loading obj meshes.
class CPLYMeshFileLoader : public IMeshLoader
{
public:

	//! Constructor
	CPLYMeshFileLoader(scene::ISceneManager* smgr);

	//! Destructor
	virtual ~CPLYMeshFileLoader();

	//! returns true if the file maybe is able to be loaded by this class
	//! based on the file extension (e.g. ".ply")
	virtual bool isALoadableFileExtension(const io::path& filename) const;

	//! creates/loads an animated mesh from the file.
	virtual IAnimatedMesh* createMesh(io::IReadFile* file);

private:

	struct SPLYProperty
	{
		core::stringc Name;
		E_PLY_PROPERTY_TYPE Type;
		union
		{
			u8  Int8;
			u16 Int16;
			u32 Int32;
			f32 Float32;
			f64 Double;
			struct SPLYListProperty
			{
				E_PLY_PROPERTY_TYPE CountType;
				E_PLY_PROPERTY_TYPE ItemType;
			} List;

		} Data;

		inline u32 size() const
		{
			switch(Type)
			{
			case EPLYPT_INT8:
				return 1;
			case EPLYPT_INT16:
				return 2;
			case EPLYPT_INT32:
			case EPLYPT_FLOAT32:
				return 4;
			case EPLYPT_FLOAT64:
				return 8;
			case EPLYPT_LIST:
			case EPLYPT_UNKNOWN:
			default:
				return 0;
			}
		}

		inline bool isFloat() const
		{
			switch(Type)
			{
			case EPLYPT_FLOAT32:
			case EPLYPT_FLOAT64:
				return true;
			case EPLYPT_INT8:
			case EPLYPT_INT16:
			case EPLYPT_INT32:
			case EPLYPT_LIST:
			case EPLYPT_UNKNOWN:
			default:
				return false;
			}
		}
	};

	struct SPLYElement
	{
		// name of the element. We only want "vertex" and "face" elements
		// but we have to parse the others anyway.
		core::stringc Name;
		// The number of elements in the file
		u32 Count;
		// Properties of this element
		core::array<SPLYProperty> Properties;
		// in binary files, true if this is a fixed size
		bool IsFixedWidth;
		// known size in bytes, 0 if unknown
		u32 KnownSize;
	};

	bool allocateBuffer();
	c8* getNextLine();
	c8* getNextWord();
	void fillBuffer();
	E_PLY_PROPERTY_TYPE getPropertyType(const c8* typeString) const;

	bool readVertex(const SPLYElement &Element, scene::CDynamicMeshBuffer* mb);
	bool readFace(const SPLYElement &Element, scene::CDynamicMeshBuffer* mb);
	void skipElement(const SPLYElement &Element);
	void skipProperty(const SPLYProperty &Property);
	f32 getFloat(E_PLY_PROPERTY_TYPE t);
	u32 getInt(E_PLY_PROPERTY_TYPE t);
	void moveForward(u32 bytes);

	core::array<SPLYElement*> ElementList;

	scene::ISceneManager* SceneManager;
	io::IReadFile *File;
	c8 *Buffer;
	bool IsBinaryFile, IsWrongEndian, EndOfFile;
	s32 LineLength, WordLength;
	c8 *StartPointer, *EndPointer, *LineEndPointer;
};

} // end namespace scene
} // end namespace irr

#endif