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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
// Copyright (C) 2008-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __C_INDEX_BUFFER_H_INCLUDED__
#define __C_INDEX_BUFFER_H_INCLUDED__
#include "IIndexBuffer.h"
namespace irr
{
namespace scene
{
class CIndexBuffer : public IIndexBuffer
{
class IIndexList
{
public:
virtual ~IIndexList(){};
virtual u32 stride() const =0;
virtual u32 size() const =0;
virtual void push_back(const u32 &element) =0;
virtual u32 operator [](u32 index) const =0;
virtual u32 getLast() =0;
virtual void setValue(u32 index, u32 value) =0;
virtual void set_used(u32 usedNow) =0;
virtual void reallocate(u32 new_size) =0;
virtual u32 allocated_size() const =0;
virtual void* pointer() =0;
virtual video::E_INDEX_TYPE getType() const =0;
};
template <class T>
class CSpecificIndexList : public IIndexList
{
public:
core::array<T> Indices;
virtual u32 stride() const {return sizeof(T);}
virtual u32 size() const {return Indices.size();}
virtual void push_back(const u32 &element)
{
// push const ref due to compiler problem with gcc 4.6, big endian
Indices.push_back((const T&)element);
}
virtual u32 operator [](u32 index) const
{
return (u32)(Indices[index]);
}
virtual u32 getLast() {return (u32)Indices.getLast();}
virtual void setValue(u32 index, u32 value)
{
Indices[index]=(T)value;
}
virtual void set_used(u32 usedNow)
{
Indices.set_used(usedNow);
}
virtual void reallocate(u32 new_size)
{
Indices.reallocate(new_size);
}
virtual u32 allocated_size() const
{
return Indices.allocated_size();
}
virtual void* pointer() {return Indices.pointer();}
virtual video::E_INDEX_TYPE getType() const
{
if (sizeof(T)==sizeof(u16))
return video::EIT_16BIT;
else
return video::EIT_32BIT;
}
};
public:
IIndexList *Indices;
CIndexBuffer(video::E_INDEX_TYPE IndexType) :Indices(0), MappingHint(EHM_NEVER), ChangedID(1)
{
setType(IndexType);
}
CIndexBuffer(const IIndexBuffer &IndexBufferCopy) :Indices(0), MappingHint(EHM_NEVER), ChangedID(1)
{
setType(IndexBufferCopy.getType());
reallocate(IndexBufferCopy.size());
for (u32 n=0;n<IndexBufferCopy.size();++n)
push_back(IndexBufferCopy[n]);
}
virtual ~CIndexBuffer()
{
delete Indices;
}
//virtual void setType(video::E_INDEX_TYPE IndexType);
virtual void setType(video::E_INDEX_TYPE IndexType)
{
IIndexList *NewIndices=0;
switch (IndexType)
{
case video::EIT_16BIT:
{
NewIndices=new CSpecificIndexList<u16>;
break;
}
case video::EIT_32BIT:
{
NewIndices=new CSpecificIndexList<u32>;
break;
}
}
if (Indices)
{
NewIndices->reallocate( Indices->size() );
for(u32 n=0;n<Indices->size();++n)
NewIndices->push_back((*Indices)[n]);
delete Indices;
}
Indices=NewIndices;
}
virtual void* getData() {return Indices->pointer();}
virtual video::E_INDEX_TYPE getType() const {return Indices->getType();}
virtual u32 stride() const {return Indices->stride();}
virtual u32 size() const
{
return Indices->size();
}
virtual void push_back(const u32 &element)
{
Indices->push_back(element);
}
virtual u32 operator [](u32 index) const
{
return (*Indices)[index];
}
virtual u32 getLast()
{
return Indices->getLast();
}
virtual void setValue(u32 index, u32 value)
{
Indices->setValue(index, value);
}
virtual void set_used(u32 usedNow)
{
Indices->set_used(usedNow);
}
virtual void reallocate(u32 new_size)
{
Indices->reallocate(new_size);
}
virtual u32 allocated_size() const
{
return Indices->allocated_size();
}
virtual void* pointer()
{
return Indices->pointer();
}
//! get the current hardware mapping hint
virtual E_HARDWARE_MAPPING getHardwareMappingHint() const
{
return MappingHint;
}
//! set the hardware mapping hint, for driver
virtual void setHardwareMappingHint( E_HARDWARE_MAPPING NewMappingHint )
{
MappingHint=NewMappingHint;
}
//! flags the mesh as changed, reloads hardware buffers
virtual void setDirty()
{
++ChangedID;
}
//! Get the currently used ID for identification of changes.
/** This shouldn't be used for anything outside the VideoDriver. */
virtual u32 getChangedID() const {return ChangedID;}
E_HARDWARE_MAPPING MappingHint;
u32 ChangedID;
};
} // end namespace scene
} // end namespace irr
#endif
|
