Parse background data.

master
sigonasr2 5 months ago
commit 11ac0ee4d2
  1. 6
      .gitignore
  2. 31
      EarthboundBattleBackgrounds/EarthboundBattleBackgrounds.sln
  3. 139
      EarthboundBattleBackgrounds/EarthboundBattleBackgrounds/EarthboundBattleBackgrounds.vcxproj
  4. 27
      EarthboundBattleBackgrounds/EarthboundBattleBackgrounds/EarthboundBattleBackgrounds.vcxproj.filters
  5. 4
      EarthboundBattleBackgrounds/EarthboundBattleBackgrounds/EarthboundBattleBackgrounds.vcxproj.user
  6. 116
      EarthboundBattleBackgrounds/EarthboundBattleBackgrounds/main.cpp
  7. 6750
      EarthboundBattleBackgrounds/EarthboundBattleBackgrounds/olcPixelGameEngine.h
  8. BIN
      EarthboundBattleBackgrounds/EarthboundBattleBackgrounds/truncated_backgrounds.dat
  9. BIN
      EarthboundBattleBackgrounds/x64/Debug/EarthboundBattleBackgrounds.exe
  10. BIN
      EarthboundBattleBackgrounds/x64/Debug/EarthboundBattleBackgrounds.pdb

6
.gitignore vendored

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/EarthboundBattleBackgrounds/.vs/EarthboundBattleBackgrounds
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#define OLC_PGE_APPLICATION
#include "olcPixelGameEngine.h"
struct Rom{
const static uint16_t MIN_INDEX{};
const static uint16_t MAX_INDEX{326U};
std::array<uint32_t,114>paletteBits;
std::array<uint32_t,103>graphicsBits;
enum Command{
UNCOMPRESSED_BLOCK,
RUN_LENGTH_ENCODED_BYTE,
RUN_LENGTH_ENCODED_SHORT,
INCREMENTAL_SEQUENCE,
REPEAT_PREVIOUS_DATA,
REVERSE_BITS,
UNKNOWN_1,
UNKNOWN_2,
};
struct DataBlock{
uint32_t addr,ptr;
std::string_view data;
DataBlock(std::string_view data,uint32_t loc)
:data(data){
addr=ptr=loc;
}
uint8_t readInt8(){
return data[ptr++];
}
uint16_t readShort(){
return readInt8()|(readInt8()<<8);
}
uint32_t readInt32(){
return readInt8()|(readInt8()<<8)|(readInt8()<<16)|(readInt8()<<24);
}
};
struct BattleBackground{
BattleBackground(std::string_view data,uint32_t index){
DataBlock readData{data,0xDCA1+index*uint32_t(this->data.size())};
for(int i=0;i<this->data.size();i++){
this->data[i]=readData.readInt8();
}
};
union{
std::array<byte,17>data;
struct{
byte graphicsInd;
byte paletteInd;
byte bbp;
byte paletteCycleType;
byte paletteCycle1StartInd;
byte paletteCycle1EndInd;
byte paletteCycle2StartInd;
byte paletteCycle2EndInd;
byte paletteCycleSpeed;
byte horizontalMovement;
byte verticalMovement;
byte horizontalAcceleration;
byte verticalAcceleration;
uint32_t animationEffectsData;
};
};
uint32_t GetAnimation(){
return (data[13]<<24)+(data[14]<<16)+(data[15]<<8)+data[16];
}
};
std::string data;
std::vector<BattleBackground>backgrounds;
Rom(){
std::ifstream dataStream{"truncated_backgrounds.dat",std::ios_base::binary};
while(dataStream.good())data+=dataStream.get();
for(uint16_t i=0;i<=MAX_INDEX;i++){
backgrounds.emplace_back(data,i);
paletteBits[backgrounds.back().paletteInd]=backgrounds.back().bbp;
graphicsBits[backgrounds.back().graphicsInd]=backgrounds.back().bbp;
}
}
};
// Override base class with your custom functionality
class EarthboundBattleBackgrounds : public olc::PixelGameEngine
{
public:
EarthboundBattleBackgrounds()
{
// Name your application
sAppName = "Earthbound Battle Backgrounds";
}
Rom rom;
public:
bool OnUserCreate() override
{
CreateLayer();
EnableLayer(1U,true);
return true;
}
bool OnUserUpdate(float fElapsedTime) override
{
return true;
}
};
int main()
{
EarthboundBattleBackgrounds demo;
if (demo.Construct(256, 224, 4, 4))
demo.Start();
return 0;
}
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