Files
wagic/projects/mtg/src/WCachedResource.cpp
2015-11-10 11:58:36 +08:00

373 lines
8.6 KiB
C++

#include "PrecompiledHeader.h"
#include "utils.h"
#include <JFileSystem.h>
#include "WResourceManager.h"
#include "WCachedResource.h"
#include <hge/hgeparticle.h>
#ifdef WITH_FMOD
#endif
const std::string kPlaceholderID("placeholder");
//WResource
WResource::~WResource()
{
}
WResource::WResource()
{
locks = WRES_UNLOCKED;
lastTime = WResourceManager::Instance()->nowTime();
loadedMode = 0;
}
bool WResource::isLocked()
{
return (locks != WRES_UNLOCKED);
}
bool WResource::isPermanent()
{
return (locks == WRES_PERMANENT);
}
void WResource::deadbolt()
{
if (locks <= WRES_MAX_LOCK) locks = WRES_PERMANENT;
}
void WResource::lock()
{
if (locks < WRES_MAX_LOCK) locks++;
// watch out for this - if the lock count increases beyond a reasonable threshold,
// someone is probably not releasing the texture correctly
assert(locks < 50);
}
void WResource::unlock(bool force)
{
if (force)
locks = 0;
else if (locks > WRES_UNLOCKED)
{
if (locks <= WRES_MAX_LOCK) locks--;
}
else
#ifdef DEBUG_CACHE
locks = WRES_UNDERLOCKED;
#else
locks = 0;
#endif
}
void WResource::hit()
{
lastTime = WResourceManager::Instance()->nowTime();
}
WCachedResource::~WCachedResource()
{
DebugTrace("Destroying WCachedResource: " << mFilename);
}
//WCachedTexture
WCachedTexture::WCachedTexture()
{
texture = NULL;
}
WCachedTexture::~WCachedTexture()
{
if (texture)
SAFE_DELETE(texture);
}
JTexture * WCachedTexture::Actual()
{
return texture;
}
bool WCachedTexture::isLocked()
{
return (locks != WRES_UNLOCKED);
}
JQuadPtr WCachedTexture::GetQuad(float offX, float offY, float width, float height, const string& resname)
{
if (!texture) return JQuadPtr();
if (width == 0.0f || width > static_cast<float> (texture->mWidth)) width = static_cast<float> (texture->mWidth);
if (height == 0.0f || height > static_cast<float> (texture->mHeight)) height = static_cast<float> (texture->mHeight);
// If we're fetching a card resource, but it's not available yet, we'll be attempting to get the Quad from the temporary back image.
// If that's the case, don't stash a separate tracked quad entry for each card name in the the Back/BackThumbnail's resource
string resource(resname);
if (mFilename == kGenericCard || mFilename == kGenericThumbCard)
{
// if we're the back or thumb_back file, but we've been asked for a card ID, then assign it
// a placeholder ID. Reason being, hotspots on quads are different (ie centered) for card images, so we'll store a separate quad for cards
if (resname != kGenericCardID && resname != kGenericCardThumbnailID)
resource = kPlaceholderID;
}
std::map<string, JQuadPtr>::iterator iter = mTrackedQuads.find(resource);
if (iter != mTrackedQuads.end())
return iter->second;
JQuadPtr quad(NEW JQuad(texture, offX, offY, width, height));
//Update JQ's values to what we called this with.
quad->SetTextureRect(offX, offY, width, height);
mTrackedQuads.insert(std::pair<string, JQuadPtr>(resource, quad));
return quad;
}
JQuadPtr WCachedTexture::GetQuad(const string& resname)
{
JQuadPtr result;
std::map<string, JQuadPtr>::iterator iter = mTrackedQuads.find(resname);
if (iter != mTrackedQuads.end())
result = iter->second;
return result;
}
JQuadPtr WCachedTexture::GetCard(float offX, float offY, float width, float height, const string& resname)
{
JQuadPtr jq = GetQuad(offX, offY, width, height, resname);
if (jq.get())
jq->SetHotSpot(static_cast<float> (jq->mTex->mWidth / 2), static_cast<float> (jq->mTex->mHeight / 2));
return jq;
}
unsigned long WCachedTexture::size()
{
if (!texture) return 0;
unsigned int pixel_size = 4;
#if defined(PSP)
pixel_size = JRenderer::GetInstance()->PixelSize(texture->mTextureFormat);
#endif
return texture->mTexHeight * texture->mTexWidth * pixel_size;
}
bool WCachedTexture::isGood()
{
return (texture != NULL);
}
void WCachedTexture::Refresh()
{
int error = 0;
JTexture* old = texture;
texture = NULL;
if (!Attempt(mFilename, loadedMode, error))
SAFE_DELETE(texture);
if (!texture)
texture = old;
else
SAFE_DELETE(old);
JRenderer::GetInstance()->TransferTextureToGLContext(*texture);
for (map<string, JQuadPtr>::iterator it = mTrackedQuads.begin(); it != mTrackedQuads.end(); ++it)
{
if (it->second.get())
it->second->mTex = texture;
}
}
bool WCachedTexture::Attempt(const string& filename, int submode, int & error)
{
mFilename = filename;
int format = TEXTURE_FORMAT;
loadedMode = submode;
string realname = filename;
//Form correct filename.
if (submode & TEXTURE_SUB_CARD)
{
if (submode & TEXTURE_SUB_THUMB)
{
for (string::size_type i = 0; i < realname.size(); i++)
{
if (realname[i] == '\\' || realname[i] == '/')
{
realname.insert(i + 1, "thumbnails/");
break;
}
}
}
realname = WResourceManager::Instance()->cardFile(realname);
}
else
{
if (submode & TEXTURE_SUB_THUMB) realname.insert(0, "thumbnails/");
if (submode & TEXTURE_SUB_AVATAR)
realname = WResourceManager::Instance()->avatarFile(realname);
else
realname = WResourceManager::Instance()->graphicsFile(realname);
}
//Apply pixel mode
if (submode & TEXTURE_SUB_5551) format = GU_PSM_5551;
if (!realname.size())
{
error = CACHE_ERROR_404;
return false;
}
texture = JRenderer::GetInstance()->LoadTexture(realname.c_str(), TEX_TYPE_USE_VRAM, format);
//Failure.
if (!texture)
{
error = CACHE_ERROR_BAD;
if (!fileExists(realname.c_str())) error = CACHE_ERROR_404;
return false;
}
error = CACHE_ERROR_NONE;
return true;
}
//WCachedSample
WCachedSample::WCachedSample()
{
sample = NULL;
}
WCachedSample::~WCachedSample()
{
SAFE_DELETE(sample);
}
JSample * WCachedSample::Actual()
{
return sample;
}
unsigned long WCachedSample::size()
{
if (!sample || !sample->mSample) return 0;
return sample->fileSize();
}
bool WCachedSample::isGood()
{
if (!sample || !sample->mSample) return false;
return true;
}
void WCachedSample::Refresh()
{
return;
}
bool WCachedSample::Attempt(const string& filename, int submode, int & error)
{
loadedMode = submode;
string sfxFile = WResourceManager::Instance()->sfxFile(filename);
sample = JSoundSystem::GetInstance()->LoadSample(sfxFile.c_str());
if (!isGood())
{
SAFE_DELETE(sample);
if (!fileExists(filename.c_str()))
error = CACHE_ERROR_404;
else
error = CACHE_ERROR_BAD;
return false;
}
error = CACHE_ERROR_NONE;
return true;
}
//WCachedParticles
bool WCachedParticles::isGood()
{
if (!particles) return false;
return true;
}
unsigned long WCachedParticles::size()
{
if (!particles) return 0; //Sizeof(pointer)
return sizeof(hgeParticleSystemInfo);
}
//Only effects future particle systems, of course.
void WCachedParticles::Refresh()
{
hgeParticleSystemInfo * old = particles;
int error = 0;
Attempt(mFilename, loadedMode, error);
if (isGood())
SAFE_DELETE(old);
else
{
SAFE_DELETE(particles);
particles = old;
}
return;
}
bool WCachedParticles::Attempt(const string& filename, int, int & error)
{
JFileSystem* fileSys = JFileSystem::GetInstance();
if (!fileSys->OpenFile(WResourceManager::Instance()->graphicsFile(filename)))
{
error = CACHE_ERROR_404;
return false;
}
SAFE_DELETE(particles);
particles = NEW hgeParticleSystemInfo;
// We Skip reading the pointer as it may be larger than 4 bytes in the structure
void *dummyPointer;
fileSys->ReadFile(&dummyPointer, 4);
// we're actually trying to read more than the file size now, but it's no problem.
// Note that this fix is only to avoid the largest problems, filling a structure
// by directly reading a file, is really a bad idea ...
fileSys->ReadFile(&(particles->nEmission), sizeof(hgeParticleSystemInfo) - sizeof(void*));
fileSys->CloseFile();
particles->sprite = NULL;
error = CACHE_ERROR_NONE;
return true;
}
hgeParticleSystemInfo * WCachedParticles::Actual()
{
return particles;
}
WCachedParticles::WCachedParticles()
{
particles = NULL;
}
WCachedParticles::~WCachedParticles()
{
SAFE_DELETE(particles);
}