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This commit is contained in:
James Turk 2003-12-24 04:44:41 +00:00
parent 2a4c8ed515
commit 18b0aa9954
1 changed files with 42 additions and 45 deletions
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87
src/ZE_ZAnimation.cpp
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@ -13,7 +13,7 @@
\brief Source file for ZAnimation. \brief Source file for ZAnimation.
Implementation of ZAnimation, ZEngine's class for ZImage based animations. Implementation of ZAnimation, ZEngine's class for ZImage based animations.
<br>$Id: ZE_ZAnimation.cpp,v 1.1 2003/11/25 01:31:37 cozman Exp $<br> <br>$Id: ZE_ZAnimation.cpp,v 1.2 2003/12/24 04:44:41 cozman Exp $<br>
\author James Turk \author James Turk
**/ **/
@ -25,29 +25,26 @@ namespace ZE
ZAnimation::ZAnimation() : ZAnimation::ZAnimation() :
rEngine(ZEngine::GetInstance()), rEngine(ZEngine::GetInstance()),
rAnimImages(NULL), rAnimImages(NULL),
rAnimWidth(0),rAnimHeight(0),
rCurFrame(0),rNumFrames(0),rFrameStep(0), rCurFrame(0),rNumFrames(0),rFrameStep(0),
rFrameDelay(0),rNextFrameTime(0), rFrameDelay(0),rNextFrameTime(0),
rLoop(false), rBackwards(false) rAnimType(ZANIM_NONE), rBackwards(false)
{ {
} }
ZAnimation::ZAnimation(ZImage *images, int numFrames, Uint32 frameDelay, bool loop, bool backwards, float width, float height) ZAnimation::ZAnimation(ZImage *images, int numFrames, Uint32 frameDelay, ZAnimType type, bool backwards)
{ {
rEngine = ZEngine::GetInstance(); rEngine = ZEngine::GetInstance();
Create(images,numFrames,frameDelay,loop,backwards,width,height); Create(images,numFrames,frameDelay,type,backwards);
} }
void ZAnimation::Create(ZImage *images, int numFrames, Uint32 frameDelay, bool loop, bool backwards, float width, float height) void ZAnimation::Create(ZImage *images, int numFrames, Uint32 frameDelay, ZAnimType type, bool backwards)
{ {
rAnimImages = images; rAnimImages = images;
rNumFrames = numFrames; rNumFrames = numFrames;
rFrameDelay = frameDelay; rFrameDelay = frameDelay;
rLoop = loop; rAnimType = type;
rBackwards = backwards; rBackwards = backwards;
rAnimWidth = width; Reset();
rAnimHeight = height;
Stop();
} }
void ZAnimation::SetAnimImages(ZImage *images, int numFrames) void ZAnimation::SetAnimImages(ZImage *images, int numFrames)
@ -61,28 +58,25 @@ void ZAnimation::SetFrameDelay(Uint32 frameDelay)
rFrameDelay = frameDelay; rFrameDelay = frameDelay;
} }
void ZAnimation::SetAnimType(bool loop, bool backwards) void ZAnimation::SetAnimType(ZAnimType type, bool backwards)
{ {
rLoop = loop; rAnimType = type;
rBackwards = backwards; rBackwards = backwards;
} }
void ZAnimation::SetAnimSize(float width, float height) void ZAnimation::Reset()
{ {
rAnimWidth = width; rFrameStep = 0;
rAnimHeight = height; rCurFrame = rBackwards ? rNumFrames-1 : 0;
} }
void ZAnimation::Start() void ZAnimation::Start()
{ {
rCurFrame = rBackwards ? rNumFrames-1 : 0; if(rAnimType != ZANIM_NONE)
Unpause(); rFrameStep = rBackwards ? -1 : 1;
} else
rFrameStep = 0;
void ZAnimation::Stop() rNextFrameTime = rEngine->GetTime()+rFrameDelay;
{
rCurFrame = rBackwards ? rNumFrames-1 : 0;
Pause();
} }
void ZAnimation::Pause() void ZAnimation::Pause()
@ -90,12 +84,6 @@ void ZAnimation::Pause()
rFrameStep = 0; rFrameStep = 0;
} }
void ZAnimation::Unpause()
{
rFrameStep = rBackwards ? -1 : 1;
rNextFrameTime = rEngine->GetTime()+rFrameDelay;
}
void ZAnimation::SetFrame(int frame) void ZAnimation::SetFrame(int frame)
{ {
if(frame >= 0 && frame < rNumFrames) if(frame >= 0 && frame < rNumFrames)
@ -110,40 +98,49 @@ void ZAnimation::SetFrame(int frame)
void ZAnimation::Update() void ZAnimation::Update()
{ {
if(rEngine->GetTime() >= rNextFrameTime) //if not paused/stopped and time to update has come
if(rFrameStep && rEngine->GetTime() >= rNextFrameTime)
{ {
rCurFrame += rFrameStep; rCurFrame += rFrameStep;
if(rCurFrame < 0 || rCurFrame >= rNumFrames) if(rCurFrame < 0 || rCurFrame >= rNumFrames)
{ {
if(rLoop) switch(rAnimType)
rCurFrame = rBackwards ? rNumFrames-1 : 0;
else
{ {
Stop(); case ZANIM_ONCE:
SetFrame(-1); //set to last frame Pause();
rCurFrame = rBackwards ? 0 : rNumFrames-1;
break;
case ZANIM_LOOP:
rCurFrame = rBackwards ? rNumFrames-1 : 0;
break;
case ZANIM_REVERSE:
rBackwards = !rBackwards;
rCurFrame = rBackwards ? rNumFrames-2 : 1; //second to last or second frame
rFrameStep *= -1;
break;
case ZANIM_NONE:
default:
Reset();
//error?
break;
} }
} }
rNextFrameTime = rEngine->GetTime()+rFrameDelay; rNextFrameTime = rEngine->GetTime()+rFrameDelay;
} }
} }
void ZAnimation::Draw(float x, float y) void ZAnimation::Draw(float x, float y) const
{ {
if(rAnimImages) if(rAnimImages)
{
#if (GFX_BACKEND == ZE_OGL)
rAnimImages[rCurFrame].Resize(rAnimWidth,rAnimHeight);
rAnimImages[rCurFrame].Draw(x,y); rAnimImages[rCurFrame].Draw(x,y);
#elif (GFX_BACKEND == ZE_SDL) //else
rAnimImages[rCurFrame].Draw(static_cast<int>(x),static_cast<int>(y)); //error: images not loaded
#endif
}
} }
bool ZAnimation::Stopped() bool ZAnimation::Running() const
{ {
return rFrameStep == 0; return rFrameStep != 0;
} }
} }