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SpriteBank: error check on non existing textureNumber

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seen in broken Fonts. unified getFrameNr

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6368 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
engineer_apple 2022-05-01 09:50:32 +00:00 committed by sfan5
parent 263f243523
commit 15e3f15b48
2 changed files with 35 additions and 32 deletions
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53
source/Irrlicht/CGUISpriteBank.cpp
View File

@ -31,10 +31,7 @@ CGUISpriteBank::CGUISpriteBank(IGUIEnvironment* env) :
CGUISpriteBank::~CGUISpriteBank()
{
// drop textures
for (u32 i=0; i<Textures.size(); ++i)
if (Textures[i])
Textures[i]->drop();
clear();
// drop video driver
if (Driver)
@ -132,15 +129,38 @@ s32 CGUISpriteBank::addTextureAsSprite(video::ITexture* texture)
return Sprites.size() - 1;
}
// get FrameNr for time. return true on exisiting frame
inline bool CGUISpriteBank::getFrameNr(u32& frame,u32 index, u32 time, bool loop) const
{
frame = 0;
if (index >= Sprites.size())
return false;
const SGUISprite& sprite = Sprites[index];
const u32 frameSize = sprite.Frames.size();
if (frameSize < 1)
return false;
if (sprite.frameTime)
{
u32 f = (time / sprite.frameTime);
if (loop)
frame = f % frameSize;
else
frame = (f >= frameSize) ? frameSize - 1 : f;
}
return true;
}
//! draws a sprite in 2d with scale and color
void CGUISpriteBank::draw2DSprite(u32 index, const core::position2di& pos,
const core::rect<s32>* clip, const video::SColor& color,
u32 starttime, u32 currenttime, bool loop, bool center)
{
if (index >= Sprites.size() || Sprites[index].Frames.empty() )
u32 frame = 0;
if (!getFrameNr(frame, index, currenttime - starttime, loop))
return;
u32 frame = getFrameNr(index, currenttime - starttime, loop);
const video::ITexture* tex = getTexture(Sprites[index].Frames[frame].textureNumber);
if (!tex)
return;
@ -162,10 +182,10 @@ void CGUISpriteBank::draw2DSprite(u32 index, const core::rect<s32>& destRect,
const core::rect<s32>* clip, const video::SColor * const colors,
u32 timeTicks, bool loop)
{
if (index >= Sprites.size() || Sprites[index].Frames.empty() )
u32 frame = 0;
if (!getFrameNr(frame,index, timeTicks, loop))
return;
u32 frame = getFrameNr(index, timeTicks, loop);
const video::ITexture* tex = getTexture(Sprites[index].Frames[frame].textureNumber);
if (!tex)
return;
@ -200,21 +220,16 @@ void CGUISpriteBank::draw2DSpriteBatch( const core::array<u32>& indices,
{
const u32 index = indices[i];
if (index >= Sprites.size() || Sprites[index].Frames.empty() )
continue;
// work out frame number
u32 frame = 0;
if (Sprites[index].frameTime)
{
u32 f = ((currenttime - starttime) / Sprites[index].frameTime);
if (loop)
frame = f % Sprites[index].Frames.size();
else
frame = (f >= Sprites[index].Frames.size()) ? Sprites[index].Frames.size()-1 : f;
}
if (!getFrameNr(frame, index, currenttime - starttime, loop))
return;
const u32 texNum = Sprites[index].Frames[frame].textureNumber;
if (texNum >= drawBatches.size())
{
continue;
}
SDrawBatch& currentBatch = drawBatches[texNum];
const u32 rn = Sprites[index].Frames[frame].rectNumber;

14
source/Irrlicht/CGUISpriteBank.h
View File

@ -64,19 +64,7 @@ public:
protected:
inline u32 getFrameNr(u32 index, u32 time, bool loop) const
{
u32 frame = 0;
if (Sprites[index].frameTime && Sprites[index].Frames.size() )
{
u32 f = (time / Sprites[index].frameTime);
if (loop)
frame = f % Sprites[index].Frames.size();
else
frame = (f >= Sprites[index].Frames.size()) ? Sprites[index].Frames.size()-1 : f;
}
return frame;
}
bool getFrameNr(u32& frameNr, u32 index, u32 time, bool loop) const;
struct SDrawBatch
{