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#include "BResourceManager.h"

#include "BBitmap.h"

#include "BTileMap.h"

#include "BSpriteSheet.h"

// TODO: should application incbin the resources binary?

#ifdef __XTENSA__ // ODROID GO TARGET

extern const TUint8 Resources_start[] asm("_binary_Resources_bin_start");

BResourceManager gResourceManager((TAny *)Resources_start);

//extern const TUint8 reesources_bin_start[] asm("_binary_resources_bin_start");

#else // LINUX OR MAC TARGET

#include <stdio.h>

#ifdef __linux__

// LINUX TARGET

asm(

" .section .rodata\n"

" .global binary_Resources_bin_start\n"

" .global binary_Resources_bin_end\n"

" .balign 16\n"

"binary_Resources_bin_start:\n"

" .incbin \"Resources.bin\"\n"

"binary_Resources_bin_end:\n"

" .byte 0\n"

" .align 4\n");

//extern TUint8 binary_Resources_bin_end[];\n"

extern __attribute((aligned(16))) TUint8 binary_Resources_bin_start[];

//extern TUint8 binary_Resources_bin_start[];

//extern TUint8 binary_Resources_bin_end[];

#else

// MAC TARGET

asm(

" .section .rodata,.rodata\n"

" .global _binary_Resources_bin_start\n"

" .global _binary_Resources_bin_end\n"

" .align 4\n"

"_binary_Resources_bin_start:\n"

" .incbin \"Resources.bin\"\n"

"_binary_Resources_bin_end:\n"

" .byte 0\n"

" .align 4\n");

extern "C" {

extern TUint8 binary_Resources_bin_start[];

extern TUint8 binary_Resources_bin_end[];

//extern TUint8 binary_Resources_bin_start[];

}

#endif // MAC TARGET

BResourceManager gResourceManager(binary_Resources_bin_start);

#endif // LINUX OR MAC TARGET

struct BitmapSlot {

BitmapSlot(TInt16 aResourceId, TInt16 aImageType, BBitmap *aBitmap, TBool aCached = EFalse) {

mResourceId = aResourceId;

mImageType = aImageType;

mBitmap = aBitmap;

mCached = aCached;

}

TInt16 mResourceId;

TInt16 mImageType;

BBitmap *mBitmap;

TBool mCached;

};

struct RawSlot {

RawSlot(TInt16 aResourceId, BRaw *aRaw, TBool aCached = EFalse) {

mResourceId = aResourceId;

mCached = aCached;

mRaw = aRaw;

}

TInt16 mResourceId;

BRaw *mRaw;

TBool mCached;

};

BResourceManager::BResourceManager(TAny *aROM) {

TUint32 *ptr = (TUint32 *)aROM;

this->mPtr = aROM;

this->mNumResources = *ptr++;

this->mResourceTable = ptr;

this->mROM = (TUint8 *)&ptr[this->mNumResources];

for (TInt i = 0; i < MAX_BITMAP_SLOTS; i++) {

mBitmapSlots[i] = ENull;

}

for (TInt i = 0; i < MAX_PRELOADED_BITMAPS; i++) {

mPreloadedBitmaps[i] = ENull;

}

for (TInt i = 0; i < MAX_RAW_SLOTS; i++) {

mRawSlots[i] = ENull;

}

BResourceManager::~BResourceManager() {

ClearBitmapCache();

ReleaseBitmapSlots();

ReleaseRawSlots();

}

TPalette *BResourceManager::LoadPalette(TInt16 aPaletteId) {

TUint8 *rom = &this->mROM[this->mResourceTable[aPaletteId]];

TPalette *p = new TPalette[256];

for (TInt c = 0; c < 256; c++) {

p[c].r = *rom++;

p[c].g = *rom++;

p[c].b = *rom++;

}

return p;

}

void BResourceManager::FreePalette(TPalette *aPalette) {

delete[] aPalette;

}

BBitmap *BResourceManager::LoadBitmap(TInt16 aResourceId) {

return BBitmap::CreateBBitmap(&this->mROM[this->mResourceTable[aResourceId]]);

}

BTileMap *BResourceManager::LoadTileMap(TInt16 aResourceId, TInt16 aTilesetId) {

return new BTileMap(&this->mROM[this->mResourceTable[aResourceId]], aTilesetId);

}

// Load a bitmap from FLASH/ROM/RODATA into a slot

TBool BResourceManager::LoadBitmap(TInt16 aResourceId, TInt16 aSlotId, TInt16 aImageType) {

BitmapSlot *slot = mBitmapSlots[aSlotId];

if (slot) {

return slot->mResourceId == aResourceId;

}

if (mPreloadedBitmaps[aResourceId]) {

auto *bm = mPreloadedBitmaps[aResourceId];

mBitmapSlots[aSlotId] = new BitmapSlot(aResourceId, aImageType, bm);

}

else {

auto *bm = BBitmap::CreateBBitmap(&this->mROM[this->mResourceTable[aResourceId]]);

mBitmapSlots[aSlotId] = new BitmapSlot(aResourceId, aImageType, bm);

}

return ETrue;

}

BSpriteSheet *BResourceManager::LoadSpriteSheet(TInt16 aResourceId) {

TUint32 offset = this->mResourceTable[aResourceId];

return new BSpriteSheet(&this->mROM[offset]);

}

TBool BResourceManager::PreloadBitmap(TInt16 aResourceId) {

if (mPreloadedBitmaps[aResourceId]) {

delete mPreloadedBitmaps[aResourceId];

}

auto *bm = BBitmap::CreateBBitmap(&this->mROM[this->mResourceTable[aResourceId]]);

mPreloadedBitmaps[aResourceId] = bm;

return ETrue;

}

TBool BResourceManager::SetBitmap(BBitmap *aBitmap, TInt16 aSlotId, TInt16 aImageType) {

BitmapSlot *slot = mBitmapSlots[aSlotId];

if (slot) {

return slot->mBitmap == aBitmap;

}

mBitmapSlots[aSlotId] = new BitmapSlot(-1, aImageType, aBitmap);

return ETrue;

}

TBool BResourceManager::ReleaseBitmapSlot(TInt16 aSlotId) {

BitmapSlot *slot = mBitmapSlots[aSlotId];

if (!slot || slot->mCached) {

#ifndef PRODUCTION

#if (defined(__XTENSA__) && defined(DEBUGME)) || !defined(__XTENSA__)

printf("WARNING: ReleaseBitmapSlot failed for %d\n", aSlotId);

#endif

return EFalse;

}

if (mPreloadedBitmaps[aSlotId] == ENull) {

// don't delete preloaded bitmaps

delete slot->mBitmap;

}

delete slot;

mBitmapSlots[aSlotId] = ENull;

return ETrue;

}

void BResourceManager::ReleaseBitmapSlots() {

for (TInt16 bm = 0; bm < MAX_BITMAP_SLOTS; bm++) {

if (mBitmapSlots[bm]) {

ReleaseBitmapSlot(bm);

}

TBool BResourceManager::CacheBitmapSlot(TInt16 aSlotId, TBool aCacheIt) {

BitmapSlot *slot = mBitmapSlots[aSlotId];

if (!slot) {

return EFalse;

}

slot->mCached = aCacheIt;

return ETrue;

}

void BResourceManager::ClearBitmapCache(TBool aCacheIt) {

for (TInt16 bm = 0; bm < MAX_BITMAP_SLOTS; bm++) {

CacheBitmapSlot(bm, aCacheIt);

}

BBitmap *BResourceManager::GetBitmap(TInt16 aSlotId) {

BitmapSlot *slot = mBitmapSlots[aSlotId];

if (!slot) {

return ENull;

}

return slot->mBitmap;

}

TInt BResourceManager::BitmapWidth(TInt aSlotId) {

static const TUint16 widthTable[] = {

0, 8, 16, 32, 64, 128, 256,

8, 16, 8, 32, 8, 64, 8, 128, 8, 256,

16, 32, 16, 64, 16, 128, 16, 256,

32, 64, 32, 128, 32, 256,

64, 128, 64, 256,

128, 256, 256

};

BitmapSlot *slot = mBitmapSlots[aSlotId];

if (!slot) {

return 0;

}

return (slot->mImageType == IMAGE_ENTIRE) ? slot->mBitmap->Width() : TInt(widthTable[slot->mImageType]);

}

TInt BResourceManager::BitmapHeight(TInt aSlotId) {

static const TUint16 heightTable[] = {

0, 8, 16, 32, 64, 128, 256,

16, 8, 32, 8, 64, 8, 128, 8, 256, 8,

32, 16, 64, 16, 128, 16, 256, 16,

64, 32, 128, 32, 256, 32,

128, 64, 256, 64,

128, 256, 256

};

BitmapSlot *slot = mBitmapSlots[aSlotId];

if (!slot) {

return 0;

}

return (slot->mImageType == IMAGE_ENTIRE) ? slot->mBitmap->Height() : TInt(heightTable[slot->mImageType]);

}

// BRaw management

TBool BResourceManager::LoadRaw(TInt16 aResourceId, TInt16 aSlotId) {

RawSlot *slot = mRawSlots[aSlotId];

if (slot) {

return slot->mResourceId == aResourceId;

}

auto *raw = new BRaw(&this->mROM[this->mResourceTable[aResourceId]]);

mRawSlots[aSlotId] = new RawSlot(aResourceId, raw);

return ETrue;

}

TBool BResourceManager::ReleaseRawSlot(TInt16 aSlotId) {

RawSlot *slot = mRawSlots[aSlotId];

if (!slot || slot->mCached) {

return EFalse;

}

delete slot->mRaw;

delete slot;

mRawSlots[aSlotId] = ENull;

return ETrue;

}

void BResourceManager::ReleaseRawSlots() {

for (TInt16 r = 0; r < MAX_RAW_SLOTS; r++) {

ReleaseRawSlot(r);

}

TBool BResourceManager::CacheRawSlot(TInt16 aSlotId, TBool aCacheIt) {

RawSlot *slot = mRawSlots[aSlotId];

if (!slot) {

return EFalse;

}

slot->mCached = aCacheIt;

return ETrue;

}

void BResourceManager::ClearRawCache(TBool aCacheIt) {

for (TInt16 r = 0; r < MAX_RAW_SLOTS; r++) {

CacheRawSlot(r, aCacheIt);

}

BRaw *BResourceManager::GetRaw(TInt16 aSlotId) {

RawSlot *slot = mRawSlots[aSlotId];

if (!slot) {

return ENull;

}

return slot->mRaw;

}

void BResourceManager::Dump() {

//#ifndef PRODUCTION

//#if (defined(__XTENSA__) && defined(DEBUGME)) || !defined(__XTENSA__)

printf("BResourceManager Dump\n");

printf("mNumResources: %d\n", mNumResources);

printf("OFFSETS:\n");

for (TInt i = 0; i < mNumResources; i++) {

printf("%8d: ", mResourceTable[i]);

TUint8 *ptr = &mROM[mResourceTable[i]];

for (TInt j = 0; j < 16; j++) {

printf("%02x ", *ptr++);

}

printf("\n");

}

//#endif

}

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