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add bitmap font support
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@qnnnnez
qnnnnez committed Jan 22, 2016
1 parent 83e250a commit cb7b150
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Showing 2 changed files with 160 additions and 18 deletions.
160 changes: 142 additions & 18 deletions process.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -53,19 +53,12 @@ namespace scpak
std::stringstream lineBuffer;
lineBuffer << item.name << ':' << item.type;
std::string itemType = item.type;
if (itemType == "System.String")
if (itemType == "System.String" || itemType == "System.Xml.Linq.XElement")
{
std::string fileName = dirPathSafe + item.name + ".txt";
unpack_string(fileName, item);
}
else if (itemType == "System.Xml.Linq.XElement")
{
std::string fileName = dirPathSafe + item.name + ".xml";
unpack_string(fileName, item);
}
unpack_string(dirPathSafe, item);
}
else if (itemType == "Engine.Graphics.Texture2D")
{
// not ready yet
std::string fileName = dirPathSafe + item.name + ".tga";
const byte *data = item.data;
const int &width = *reinterpret_cast<const int*>(data);
Expand All @@ -76,6 +69,10 @@ namespace scpak

lineBuffer << ':' << mipmapLevel;
}
else if (itemType == "Engine.Media.BitmapFont")
{
unpack_bitmapFont(dirPathSafe, item);
}
else
{
unpack_raw:
Expand Down Expand Up @@ -128,13 +125,11 @@ namespace scpak

if (type == "System.String")
{
std::string filePath = dirPathSafe + name + ".txt";
pack_string(filePath, item);
pack_string(dirPathSafe, item);
}
else if (type == "System.Xml.Linq.XElement")
{
std::string filePath = dirPathSafe + name + ".xml";
pack_string(filePath, item);
pack_string(dirPathSafe, item);
}
else if (type == "Engine.Graphics.Texture2D")
{
Expand All @@ -147,8 +142,8 @@ namespace scpak
fileName += ".png";
else if (pathExists((filePathRaw + ".bmp").c_str()))
fileName += ".bmp";
//else if (pathExists(filePathRaw.c_str()))
// goto pack_raw; // -_-
else if (pathExists(filePathRaw.c_str()))
goto pack_raw; // -_-
else
throw std::runtime_error("cannot find image file: " + name);
int width, height, comp;
Expand All @@ -169,6 +164,10 @@ namespace scpak
stbi_image_free(data);
int offset = generateMipmap(width, height, mipmapLevel, item.data + sizeof(int) * 3);
}
else if (type == "Engine.Media.BitmapFont")
{
pack_bitmapFont(dirPathSafe, item);
}
else
{
pack_raw:
Expand Down Expand Up @@ -263,8 +262,16 @@ namespace scpak
return offset;
}

void unpack_string(const std::string &fileName, const PakItem &item)
void unpack_string(const std::string &outputPath, const PakItem &item)
{
std::string fileName = outputPath + item.name;
if (std::strcmp(item.type, "System.String") == 0)
fileName += ".txt";
else if (std::strcmp(item.type, "System.Xml.Linq.XElement") == 0)
fileName += ".xml";
else
throw std::runtime_error("wrong item type");

std::ofstream fout;
fout.open(fileName, std::ios::binary);
MemoryBinaryReader reader(item.data);
Expand All @@ -273,8 +280,16 @@ namespace scpak
fout.close();
}

void pack_string(const std::string &fileName, PakItem &item)
void pack_string(const std::string &inputPath, PakItem &item)
{
std::string fileName = inputPath + item.name;
if (std::strcmp(item.type, "System.String") == 0)
fileName += ".txt";
else if (std::strcmp(item.type, "System.Xml.Linq.XElement") == 0)
fileName += ".xml";
else
throw std::runtime_error("wrong item type");

if (item.data != nullptr)
delete[] item.data;

Expand All @@ -295,6 +310,115 @@ namespace scpak
fin.close();
}

void unpack_bitmapFont(const std::string &outputDir, const PakItem &item)
{
std::string listFileName = outputDir + item.name + ".lst";
std::string textureFileName = outputDir + item.name + ".tga";

MemoryBinaryReader reader(item.data);
int glyphCount = reader.readInt();
std::vector<GlyphInfo> glyphList;
glyphList.resize(glyphCount);
for (int i = 0; i < glyphCount; ++i)
{
GlyphInfo &glyph = glyphList[i];
glyph.unicode = reader.readUtf8Char();
glyph.texCoord1.x = reader.readFloat();
glyph.texCoord1.y = reader.readFloat();
glyph.texCoord2.x = reader.readFloat();
glyph.texCoord2.y = reader.readFloat();
glyph.offset.x = reader.readFloat();
glyph.offset.y = reader.readFloat();
glyph.width = reader.readFloat();
}
float glyphHeight = reader.readFloat();
Vector2f spacing;
spacing.x = reader.readFloat();
spacing.y = reader.readFloat();
float scale = reader.readFloat();
int fallbackCode = reader.readUtf8Char();

int width = reader.readInt();
int height = reader.readInt();
int mipmapLevel = reader.readInt();

stbi_write_tga(textureFileName.c_str(), width, height, 4, item.data + reader.position);

std::ofstream fList;
fList.open(listFileName);
fList << glyphCount << std::endl;
for (int i = 0; i < glyphCount; ++i)
{
GlyphInfo &glyph = glyphList[i];
fList << glyph.unicode << '\t'
<< glyph.texCoord1.x << '\t' << glyph.texCoord1.y << '\t'
<< glyph.texCoord2.x << '\t' << glyph.texCoord2.y << '\t'
<< glyph.offset.x << '\t' << glyph.offset.y << '\t'
<< glyph.width << std::endl;
}
fList << glyphHeight << std::endl;
fList << spacing.x << '\t' << spacing.y << std::endl;
fList << scale << std::endl;
fList << fallbackCode << std::endl;
fList.close();
}

void pack_bitmapFont(const std::string &inputDir, PakItem &item)
{
std::string listFileName = inputDir + item.name + ".lst";
std::string textureFileName = inputDir + item.name + ".tga";

if (item.data != nullptr)
delete[] item.data;

std::ifstream fList;
fList.open(listFileName);
int glyphCount;
fList >> glyphCount;

int width, height, comp;
unsigned char *data = stbi_load(textureFileName.c_str(), &width, &height, &comp, 4);
item.data = new byte[sizeof(GlyphInfo) * glyphCount + 50 + width*height * 4];

MemoryBinaryWriter writer(item.data);
writer.writeInt(glyphCount);
for (int i = 0; i < glyphCount; ++i)
{
GlyphInfo glyph;
fList >> glyph.unicode
>> glyph.texCoord1.x >> glyph.texCoord1.y
>> glyph.texCoord2.x >> glyph.texCoord2.y
>> glyph.offset.x >> glyph.offset.y
>> glyph.width;
writer.writeUtf8Char(glyph.unicode);
writer.writeFloat(glyph.texCoord1.x);
writer.writeFloat(glyph.texCoord1.y);
writer.writeFloat(glyph.texCoord2.x);
writer.writeFloat(glyph.texCoord2.y);
writer.writeFloat(glyph.offset.x);
writer.writeFloat(glyph.offset.y);
writer.writeFloat(glyph.width);
}
float glyphHeight; fList >> glyphHeight;
Vector2f spacing; fList >> spacing.x >> spacing.y;
float scale; fList >> scale;
int fallbackCode; fList >> fallbackCode;
writer.writeFloat(glyphHeight);
writer.writeFloat(spacing.x);
writer.writeFloat(spacing.y);
writer.writeFloat(scale);
writer.writeUtf8Char(fallbackCode);
fList.close();

writer.writeInt(width);
writer.writeInt(height);
writer.writeInt(1);
std::memcpy(item.data + writer.position, data, width*height * 4);
item.length = writer.position + width*height * 4;

stbi_image_free(data);
}

bool isPowerOfTwo(int n)
{
return (n & (n - 1)) == 0;
Expand Down
18 changes: 18 additions & 0 deletions process.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,24 @@ namespace scpak
void unpack_string(const std::string &fileName, const PakItem &item);
void pack_string(const std::string &value, PakItem &item);

void unpack_bitmapFont(const std::string &outputDir, const PakItem &item);
void pack_bitmapFont(const std::string &inputDir, PakItem &item);

bool isPowerOfTwo(int number);

struct Vector2f
{
float x;
float y;
};

struct GlyphInfo
{
int unicode;
Vector2f texCoord1;
Vector2f texCoord2;
Vector2f offset;
float width;
};
}

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