/**
* Destroy a placeholder. Mark this placeholder as free
* and store the index in the pool of free placeholders.
* @param index The placeholder handle.
* @return Status code.
*/
int ResourceArray::_maDestroyPlaceholder(unsigned index) {
// The handle must be a dynamic placeholder.
if (!(index & DYNAMIC_PLACEHOLDER_BIT)) {
// TODO: Use MYASSERT_IF_PANICS_ENABLED when
// conditional panics are to be used.
BIG_PHAT_ERROR(ERR_RES_PLACEHOLDER_NOT_DYNAMIC);
return -2;
}
// Get the index into the dynamic resource array.
unsigned i = index & (~DYNAMIC_PLACEHOLDER_BIT);
TESTINDEX(i, mDynResSize);
// The placeholder must not have been destroyed.
if (RT_NIL == mDynResTypes[i])
{
// TODO: Use MYASSERT_IF_PANICS_ENABLED when
// conditional panics are to be used.
BIG_PHAT_ERROR(ERR_RES_PLACEHOLDER_ALREADY_DESTROYED);
return -2;
}
// Set the handle type to RT_NIL. This marks the
// placeholder as destroyed.
mDynResTypes[i] = RT_NIL;
// Put handle into the pool.
// Create or expand the pool as needed.
if (0 == mDynResPoolCapacity) {
// Create the initial pool.
mDynResPoolCapacity = 2;
mDynResPool = new unsigned[mDynResPoolCapacity];
MYASSERT(mDynResPool != NULL, ERR_OOM);
}
else if (mDynResPoolSize + 1 > mDynResPoolCapacity) {
// Expand the pool.
unsigned* oldDynResPool = mDynResPool;
mDynResPool = new unsigned[mDynResPoolCapacity * 2];
MYASSERT(mDynResPool != NULL, ERR_OOM);
// Copy from old to new and delete old.
memcpy(
mDynResPool,
oldDynResPool,
mDynResPoolCapacity * sizeof(unsigned));
delete []oldDynResPool;
// Set new capacity.
mDynResPoolCapacity = mDynResPoolCapacity * 2;
}
// Increment pool size.
++mDynResPoolSize;
// Add free handle index last in array (push to stack).
mDynResPool[mDynResPoolSize - 1] = index;
return RES_OK;
}
/**
* /return The newly created Data Section as a Direct ByteBuffer object
*/
static void nativeRun(JNIEnv* env, jobject jthis)
{
SYSLOG("nativeRun");
Base::gSyscall->setJNIEnvironment(env, jthis);
while(1)
{
Core::Run2(gCore);
SYSLOG("Runtime yielded!");
// Check if we should load a resource as a program/resource combfile
int reloadHandle = Base::gSyscall->getReloadHandle();
if (0 != reloadHandle)
{
SYSLOG("Program is loading from handle");
Base::Stream* stream =
Base::gSyscall->resources.extract_RT_BINARY(reloadHandle);
bool res = Core::LoadVMApp(gCore, *stream);
delete stream;
if (!res)
{
BIG_PHAT_ERROR(ERR_PROGRAM_LOAD_FAILED);
}
Base::gSyscall->setReloadHandle(0);
}
// Check if we should reload the initial program and resource file
else if (Base::gSyscall->isReloading())
{
SYSLOG("Program is reloading! 1");
Base::gSyscall->setReloading(false);
SYSLOG("Program is reloading! 2");
jclass cls = env->GetObjectClass(jthis);
jmethodID methodID = env->GetMethodID(cls, "loadProgram", "()Z");
if (methodID == 0) return;
jboolean res = env->CallBooleanMethod(jthis, methodID);
SYSLOG("Program is reloading! 3");
if (!res)
{
BIG_PHAT_ERROR(ERR_PROGRAM_LOAD_FAILED);
}
__android_log_write(ANDROID_LOG_INFO,"JNI","Program is reloading! 4");
}
}
}
void* ResourceArray::_extract(unsigned index, byte R) {
void **res = mRes;
byte *types = mResTypes;
if(index&DYNAMIC_PLACEHOLDER_BIT) {
res = mDynRes;
types = mDynResTypes;
index = index&(~DYNAMIC_PLACEHOLDER_BIT);
TESTINDEX(index, mDynResSize);
} else {
TESTINDEX(index, mResSize);
}
if(types[index] != R) {
BIG_PHAT_ERROR(ERR_RES_INVALID_TYPE);
}
#ifdef RESOURCE_MEMORY_LIMIT
switch(types[index]) {
#define CASE_SUBMEM(R, T, D) case R: mResmem -= size_##R((T*)res[index]); break;
TYPES(CASE_SUBMEM);
}
if(mResmem > mResmemMax) {
DEBIG_PHAT_ERROR;
}
#endif //RESOURCE_MEMORY_LIMIT
void* temp = res[index];
res[index] = NULL;
types[index] = RT_PLACEHOLDER;
return temp;
}
/**
* Gets a pointer to the data for the given handle.
* @param index The resource handle.
* @param R The resource type.
* @return a pointer to the data for the given handle.
*/
void* ResourceArray::_get(unsigned index, byte R) {
void **res = mRes;
byte *types = mResTypes;
if(index&DYNAMIC_PLACEHOLDER_BIT) {
res = mDynRes;
types = mDynResTypes;
index = index&(~DYNAMIC_PLACEHOLDER_BIT);
TESTINDEX(index, mDynResSize);
} else {
TESTINDEX(index, mResSize);
}
if(types[index] != R) {
BIG_PHAT_ERROR(ERR_RES_INVALID_TYPE);
}
return res[index];
}
/**
* Add a resource.
* @param index Resource index.
* @param obj Pointer to object data.
* @param type Resource type.
*/
int ResourceArray::_add(unsigned index, void* obj, byte type) {
void **res = mRes;
byte *types = mResTypes;
if(index&DYNAMIC_PLACEHOLDER_BIT) {
res = mDynRes;
types = mDynResTypes;
index = index&(~DYNAMIC_PLACEHOLDER_BIT);
TESTINDEX(index, mDynResSize);
} else {
TESTINDEX(index, mResSize);
}
// obj is the resource data. If the resource is NULL
// and not a placeholder or in flux (resource is changing)
// then create a panic.
if (obj == NULL && (type != RT_PLACEHOLDER && type != RT_FLUX)) {
DEBIG_PHAT_ERROR;
}
// Resource at this index must not be in use, but it can be a
// placeholder. If the resource is in use, a panic is generated.
if(res[index] != NULL || types[index] != RT_PLACEHOLDER) {
BIG_PHAT_ERROR(ERR_RES_OVERWRITE);
}
#ifdef RESOURCE_MEMORY_LIMIT
int oldResmem = mResmem;
switch(type) {
#define CASE_ADDMEM(R, T, D) case R: mResmem += size_##R((T*)obj); break;
TYPES(CASE_ADDMEM);
}
if(mResmem >= mResmemMax) {
//BIG_PHAT_ERROR(ERR_RES_OOM);
mResmem = oldResmem;
__destroy(obj, type, index); //avoids memory leaks
return RES_OUT_OF_MEMORY;
}
#endif //RESOURCE_MEMORY_LIMIT
res[index] = obj;
types[index] = type;
return RES_OK;
}
/*
* Loads a resource from the stream, from originalHandle index to destHandle placeholder.
*/
bool Syscall::loadResource(Stream& file, MAHandle originalHandle, MAHandle destHandle) {
if(!file.isOpen())
{
return false;
}
if ((resourceType == NULL) || (resourceSize == NULL) || (resourceOffset == NULL))
{
return false;
}
int type = resourceType[originalHandle - 1];
int size = resourceSize[originalHandle - 1];
int offset = resourceOffset[originalHandle - 1];
int rI = destHandle;
if ( resources.is_loaded(rI) )
{
return true;
}
TEST(file.seek(Seek::Start, offset));
switch(type) {
case RT_BINARY:
{
#ifndef _android
MemStream* ms = new MemStream(size);
#else
char* b = loadBinary(rI, size);
MemStream* ms = new MemStream(b, size);
#endif
TEST(file.readFully(*ms));
ROOM(resources.dadd_RT_BINARY(rI, ms));
#ifdef _android
checkAndStoreAudioResource(rI);
#endif
}
break;
case RT_IMAGE:
{
MemStream b(size);
TEST(file.readFully(b));
#ifndef _android
// On all platforms except Android, we load and add
// the image data. "dadd" means "delete and add",
// and is defined in runtimes\cpp\base\ResourceArray.h
RT_IMAGE_Type* image = loadImage(b);
if(!image)
BIG_PHAT_ERROR(ERR_IMAGE_LOAD_FAILED);
ROOM(resources.dadd_RT_IMAGE(rI, image));
#else
// On Android images are stored on the Java side.
// Here we allocate a dummy array (real image is
// in a table in Java) so that the resource handling,
// like deleting resources, will work also on Android.
// The actual image will be garbage collected on
// Android when a resource is replaced in the Java table.
ROOM(resources.dadd_RT_IMAGE(rI, new int[1]));
int pos;
file.tell(pos);
loadImage(
rI,
pos - size,
size,
Base::gSyscall->getReloadHandle());
#endif
}
break;
case RT_SPRITE:
{
DAR_USHORT(indexSource);
DAR_USHORT(left);
DAR_USHORT(top);
DAR_USHORT(width);
DAR_USHORT(height);
DAR_SHORT(cx);
DAR_SHORT(cy);
#ifndef _android
ROOM(resources.dadd_RT_IMAGE(rI, loadSprite(resources.get_RT_IMAGE(indexSource),
left, top, width, height, cx, cy)));
#endif
}
break;
default:
LOG("Cannot load resource type %d.", type);
}
return true;
}
/*
* Loads all resources from the stream, except images, binaries and sprites.
*/
bool Syscall::loadResources(Stream& file, const char* aFilename) {
bool hasResources = true;
if(!file.isOpen())
hasResources = false;
else {
int len, pos;
TEST(file.length(len));
TEST(file.tell(pos));
if(len == pos)
hasResources = false;
}
if(!hasResources/* && aFilename != NULL*/) {
resources.init(0);
return true;
}
#define MATCH_BYTE(c) { DAR_UBYTE(b); if(b != c) { FAIL; } }
MATCH_BYTE('M');
MATCH_BYTE('A');
MATCH_BYTE('R');
MATCH_BYTE('S');
DAR_UVINT(nResources);
DAR_UVINT(rSize);
resources.init(nResources);
resourcesCount = nResources;
resourceOffset = new int[nResources];
resourceSize = new int[nResources];
resourceType = new int[nResources];
resourcesFilename = new char[strlen(aFilename) + 1];
strcpy(resourcesFilename, aFilename);
// rI is the resource index.
int rI = 1;
while(true) {
DAR_UBYTE(type);
if(type == 0)
break;
//dispose flag
DAR_UVINT(size);
LOG_RES("Type %i, size %i\n", type, size);
int index = rI - 1;
TEST(file.tell(resourceOffset[index]));
resourceSize[index] = size;
resourceType[index] = type;
switch(type) {
case RT_UBIN:
{
int pos;
MYASSERT(aFilename, ERR_RES_LOAD_UBIN);
TEST(file.tell(pos));
#ifndef _android
ROOM(resources.dadd_RT_BINARY(rI,
new LimitedFileStream(aFilename, pos, size)));
#else
// Android loads ubins by using JNI.
loadUBinary(rI, pos, size);
ROOM(resources.dadd_RT_BINARY(rI,
new LimitedFileStream(
aFilename,
pos,
size,
getJNIEnvironment(),
getJNIThis())));
#endif
TEST(file.seek(Seek::Current, size));
}
break;
case RT_PLACEHOLDER:
ROOM(resources.dadd_RT_PLACEHOLDER(rI, NULL));
break;
case RT_LABEL:
{
MemStream b(size);
TEST(file.readFully(b));
ROOM(resources.dadd_RT_LABEL(rI, new Label((const char*)b.ptr(), rI)));
}
break;
#ifdef LOGGING_ENABLED
case 99: //testtype
#define DUMP_UVI { DAR_UVINT(u); LOG_RES("u %i\n", u); }
#define DUMP_SVI { DAR_SVINT(s); LOG_RES("s %i\n", s); }
DUMP_UVI;
DUMP_UVI;
DUMP_UVI;
DUMP_SVI;
DUMP_SVI;
DUMP_SVI;
DUMP_SVI;
DUMP_SVI;
DUMP_SVI;
break;
#endif
default:
TEST(file.seek(Seek::Current, size));
}
rI++;
}
if(rI != nResources + 1) {
LOG("rI %i, nR %i\n", rI, nResources);
BIG_PHAT_ERROR(ERR_RES_FILE_INCONSISTENT);
}
LOG_RES("ResLoad complete\n");
return true;
}
/*
* Loads all resources from the given buffer.
*/
bool Syscall::loadResourcesFromBuffer(Stream& file, const char* aFilename) {
bool hasResources = true;
if(!file.isOpen())
hasResources = false;
else {
int len, pos;
TEST(file.length(len));
TEST(file.tell(pos));
if(len == pos)
hasResources = false;
}
if(!hasResources/* && aFilename != NULL*/) {
resources.init(0);
return true;
}
#define MATCH_BYTE(c) { DAR_UBYTE(b); if(b != c) { FAIL; } }
MATCH_BYTE('M');
MATCH_BYTE('A');
MATCH_BYTE('R');
MATCH_BYTE('S');
DAR_UVINT(nResources);
DAR_UVINT(rSize);
resources.init(nResources);
// rI is the resource index.
int rI = 1;
while(true) {
DAR_UBYTE(type);
if(type == 0)
break;
//dispose flag
DAR_UVINT(size);
LOG_RES("Type %i, size %i\n", type, size);
switch(type) {
case RT_BINARY:
{
#ifndef _android
MemStream* ms = new MemStream(size);
#else
char* b = loadBinary(rI, size);
MemStream* ms = new MemStream(b, size);
#endif
TEST(file.readFully(*ms));
ROOM(resources.dadd_RT_BINARY(rI, ms));
#ifdef _android
checkAndStoreAudioResource(rI);
#endif
}
break;
case RT_UBIN:
{
int pos;
MYASSERT(aFilename, ERR_RES_LOAD_UBIN);
TEST(file.tell(pos));
#ifndef _android
ROOM(resources.dadd_RT_BINARY(rI,
new LimitedFileStream(aFilename, pos, size)));
#else
// Android loads ubins by using JNI.
loadUBinary(rI, pos, size);
ROOM(resources.dadd_RT_BINARY(rI,
new LimitedFileStream(
aFilename,
pos,
size,
getJNIEnvironment(),
getJNIThis())));
#endif
TEST(file.seek(Seek::Current, size));
}
break;
case RT_PLACEHOLDER:
ROOM(resources.dadd_RT_PLACEHOLDER(rI, NULL));
break;
case RT_IMAGE:
{
MemStream b(size);
TEST(file.readFully(b));
#ifndef _android
// On all platforms except Android, we load and add
// the image data. "dadd" means "delete and add",
// and is defined in runtimes\cpp\base\ResourceArray.h
RT_IMAGE_Type* image = loadImage(b);
if(!image)
BIG_PHAT_ERROR(ERR_IMAGE_LOAD_FAILED);
ROOM(resources.dadd_RT_IMAGE(rI, image));
#else
// On Android images are stored on the Java side.
// Here we allocate a dummy array (real image is
// in a table in Java) so that the resource handling,
// like deleting resources, will work also on Android.
// The actual image will be garbage collected on
// Android when a resource is replaced in the Java table.
ROOM(resources.dadd_RT_IMAGE(rI, new int[1]));
int pos;
file.tell(pos);
loadImage(
rI,
pos - size,
size,
Base::gSyscall->getReloadHandle());
#endif
}
break;
case RT_SPRITE:
{
DAR_USHORT(indexSource);
DAR_USHORT(left);
DAR_USHORT(top);
DAR_USHORT(width);
DAR_USHORT(height);
DAR_SHORT(cx);
DAR_SHORT(cy);
#ifndef _android
ROOM(resources.dadd_RT_IMAGE(rI, loadSprite(resources.get_RT_IMAGE(indexSource),
left, top, width, height, cx, cy)));
#endif
}
break;
case RT_LABEL:
{
MemStream b(size);
TEST(file.readFully(b));
ROOM(resources.dadd_RT_LABEL(rI, new Label((const char*)b.ptr(), rI)));
}
break;
#ifdef LOGGING_ENABLED
case 99: //testtype
#define DUMP_UVI { DAR_UVINT(u); LOG_RES("u %i\n", u); }
#define DUMP_SVI { DAR_SVINT(s); LOG_RES("s %i\n", s); }
DUMP_UVI;
DUMP_UVI;
DUMP_UVI;
DUMP_SVI;
DUMP_SVI;
DUMP_SVI;
DUMP_SVI;
DUMP_SVI;
DUMP_SVI;
break;
#endif
default:
TEST(file.seek(Seek::Current, size));
}
rI++;
}
if(rI != nResources + 1) {
LOG("rI %i, nR %i\n", rI, nResources);
BIG_PHAT_ERROR(ERR_RES_FILE_INCONSISTENT);
}
LOG_RES("ResLoad complete\n");
return true;
}
/**
* /return The newly created Data Section as a Direct ByteBuffer object
*/
static void nativeRun(JNIEnv* env, jobject jthis)
{
__android_log_write(ANDROID_LOG_INFO,"JNI","native run");
Base::gSyscall->setJNIEnvironment(env, jthis);
while(1)
{
Core::Run2(gCore);
__android_log_write(ANDROID_LOG_INFO,"JNI","Runtime yielded!");
// Check if we should load a resource as a program/resource combfile
int reloadHandle = Base::gSyscall->getReloadHandle();
if(0 != reloadHandle)
{
__android_log_write(ANDROID_LOG_INFO,"JNI","Program is loading from handle");
Base::Stream* stream = Base::gSyscall->resources.extract_RT_BINARY(reloadHandle);
bool res = Core::LoadVMApp(gCore, *stream);
delete stream;
if(!res) {
BIG_PHAT_ERROR(ERR_PROGRAM_LOAD_FAILED);
}
Base::gSyscall->setReloadHandle(0);
}
// TODO: Could this be a good place to check for pending
// exceptions from the Java side?
// See commented out function handlePendingExceptions
// below for how to do this.
//handlePendingExceptions(env);
// TODO: Why is this code commented out? Document its purpose.
// check if we should reload the initial program and resource file
else if(true == Base::gSyscall->isReloading())
{
__android_log_write(ANDROID_LOG_INFO,"JNI","Program is reloading! 1");
Base::gSyscall->setReloading(false);
__android_log_write(ANDROID_LOG_INFO,"JNI","Program is reloading! 2");
jclass cls = env->GetObjectClass(jthis);
jmethodID methodID = env->GetMethodID(cls, "loadProgram", "()Z");
if (methodID == 0) return;
jboolean res = env->CallBooleanMethod(jthis, methodID);
__android_log_write(ANDROID_LOG_INFO,"JNI","Program is reloading! 3");
if(!res) {
BIG_PHAT_ERROR(ERR_PROGRAM_LOAD_FAILED);
}
__android_log_write(ANDROID_LOG_INFO,"JNI","Program is reloading! 4");
}
}
}
extern "C" void GCCATTRIB(noreturn) maLoadProgram(MAHandle data, int reload) {
BIG_PHAT_ERROR(ERR_FUNCTION_UNSUPPORTED);
}
int Base::Syscall::GetValidatedStackValue(int offset) {
BIG_PHAT_ERROR(ERR_FUNCTION_UNSUPPORTED);
}
