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-rw-r--r--libraries/irrlicht-1.8/source/Irrlicht/CGUISpriteBank.cpp250
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diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CGUISpriteBank.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CGUISpriteBank.cpp
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1// Copyright (C) 2002-2012 Nikolaus Gebhardt
2// This file is part of the "Irrlicht Engine".
3// For conditions of distribution and use, see copyright notice in irrlicht.h
4
5#include "CGUISpriteBank.h"
6#ifdef _IRR_COMPILE_WITH_GUI_
7
8#include "IGUIEnvironment.h"
9#include "IVideoDriver.h"
10#include "ITexture.h"
11
12namespace irr
13{
14namespace gui
15{
16
17CGUISpriteBank::CGUISpriteBank(IGUIEnvironment* env) :
18 Environment(env), Driver(0)
19{
20 #ifdef _DEBUG
21 setDebugName("CGUISpriteBank");
22 #endif
23
24 if (Environment)
25 {
26 Driver = Environment->getVideoDriver();
27 if (Driver)
28 Driver->grab();
29 }
30}
31
32
33CGUISpriteBank::~CGUISpriteBank()
34{
35 // drop textures
36 for (u32 i=0; i<Textures.size(); ++i)
37 if (Textures[i])
38 Textures[i]->drop();
39
40 // drop video driver
41 if (Driver)
42 Driver->drop();
43}
44
45
46core::array< core::rect<s32> >& CGUISpriteBank::getPositions()
47{
48 return Rectangles;
49}
50
51
52core::array< SGUISprite >& CGUISpriteBank::getSprites()
53{
54 return Sprites;
55}
56
57
58u32 CGUISpriteBank::getTextureCount() const
59{
60 return Textures.size();
61}
62
63
64video::ITexture* CGUISpriteBank::getTexture(u32 index) const
65{
66 if (index < Textures.size())
67 return Textures[index];
68 else
69 return 0;
70}
71
72
73void CGUISpriteBank::addTexture(video::ITexture* texture)
74{
75 if (texture)
76 texture->grab();
77
78 Textures.push_back(texture);
79}
80
81
82void CGUISpriteBank::setTexture(u32 index, video::ITexture* texture)
83{
84 while (index >= Textures.size())
85 Textures.push_back(0);
86
87 if (texture)
88 texture->grab();
89
90 if (Textures[index])
91 Textures[index]->drop();
92
93 Textures[index] = texture;
94}
95
96
97//! clear everything
98void CGUISpriteBank::clear()
99{
100 // drop textures
101 for (u32 i=0; i<Textures.size(); ++i)
102 if (Textures[i])
103 Textures[i]->drop();
104 Textures.clear();
105 Sprites.clear();
106 Rectangles.clear();
107}
108
109//! Add the texture and use it for a single non-animated sprite.
110s32 CGUISpriteBank::addTextureAsSprite(video::ITexture* texture)
111{
112 if ( !texture )
113 return -1;
114
115 addTexture(texture);
116 u32 textureIndex = getTextureCount() - 1;
117
118 u32 rectangleIndex = Rectangles.size();
119 Rectangles.push_back( core::rect<s32>(0,0, texture->getOriginalSize().Width, texture->getOriginalSize().Height) );
120
121 SGUISprite sprite;
122 sprite.frameTime = 0;
123
124 SGUISpriteFrame frame;
125 frame.textureNumber = textureIndex;
126 frame.rectNumber = rectangleIndex;
127 sprite.Frames.push_back( frame );
128
129 Sprites.push_back( sprite );
130
131 return Sprites.size() - 1;
132}
133
134//! draws a sprite in 2d with scale and color
135void CGUISpriteBank::draw2DSprite(u32 index, const core::position2di& pos,
136 const core::rect<s32>* clip, const video::SColor& color,
137 u32 starttime, u32 currenttime, bool loop, bool center)
138{
139 if (index >= Sprites.size() || Sprites[index].Frames.empty() )
140 return;
141
142 // work out frame number
143 u32 frame = 0;
144 if (Sprites[index].frameTime)
145 {
146 u32 f = ((currenttime - starttime) / Sprites[index].frameTime);
147 if (loop)
148 frame = f % Sprites[index].Frames.size();
149 else
150 frame = (f >= Sprites[index].Frames.size()) ? Sprites[index].Frames.size()-1 : f;
151 }
152
153 const video::ITexture* tex = Textures[Sprites[index].Frames[frame].textureNumber];
154 if (!tex)
155 return;
156
157 const u32 rn = Sprites[index].Frames[frame].rectNumber;
158 if (rn >= Rectangles.size())
159 return;
160
161 const core::rect<s32>& r = Rectangles[rn];
162
163 if (center)
164 {
165 core::position2di p = pos;
166 p -= r.getSize() / 2;
167 Driver->draw2DImage(tex, p, r, clip, color, true);
168 }
169 else
170 {
171 Driver->draw2DImage(tex, pos, r, clip, color, true);
172 }
173}
174
175
176void CGUISpriteBank::draw2DSpriteBatch( const core::array<u32>& indices,
177 const core::array<core::position2di>& pos,
178 const core::rect<s32>* clip,
179 const video::SColor& color,
180 u32 starttime, u32 currenttime,
181 bool loop, bool center)
182{
183 const irr::u32 drawCount = core::min_<u32>(indices.size(), pos.size());
184
185 if( Textures.empty() )
186 return;
187 core::array<SDrawBatch> drawBatches(Textures.size());
188 for(u32 i = 0;i < Textures.size();i++)
189 {
190 drawBatches.push_back(SDrawBatch());
191 drawBatches[i].positions.reallocate(drawCount);
192 drawBatches[i].sourceRects.reallocate(drawCount);
193 }
194
195 for(u32 i = 0;i < drawCount;i++)
196 {
197 const u32 index = indices[i];
198
199 if (index >= Sprites.size() || Sprites[index].Frames.empty() )
200 continue;
201
202 // work out frame number
203 u32 frame = 0;
204 if (Sprites[index].frameTime)
205 {
206 u32 f = ((currenttime - starttime) / Sprites[index].frameTime);
207 if (loop)
208 frame = f % Sprites[index].Frames.size();
209 else
210 frame = (f >= Sprites[index].Frames.size()) ? Sprites[index].Frames.size()-1 : f;
211 }
212
213 const u32 texNum = Sprites[index].Frames[frame].textureNumber;
214
215 SDrawBatch& currentBatch = drawBatches[texNum];
216
217 const u32 rn = Sprites[index].Frames[frame].rectNumber;
218 if (rn >= Rectangles.size())
219 return;
220
221 const core::rect<s32>& r = Rectangles[rn];
222
223 if (center)
224 {
225 core::position2di p = pos[i];
226 p -= r.getSize() / 2;
227
228 currentBatch.positions.push_back(p);
229 currentBatch.sourceRects.push_back(r);
230 }
231 else
232 {
233 currentBatch.positions.push_back(pos[i]);
234 currentBatch.sourceRects.push_back(r);
235 }
236 }
237
238 for(u32 i = 0;i < drawBatches.size();i++)
239 {
240 if(!drawBatches[i].positions.empty() && !drawBatches[i].sourceRects.empty())
241 Driver->draw2DImageBatch(Textures[i], drawBatches[i].positions,
242 drawBatches[i].sourceRects, clip, color, true);
243 }
244}
245
246} // namespace gui
247} // namespace irr
248
249#endif // _IRR_COMPILE_WITH_GUI_
250
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