void Atlas::Generate(bool clear)
{
m_Atlas.create(M_UBYTE, m_Width, m_Height, m_BPP);
unsigned char col[]= {255, 255, 255, 0};
for(uint32 x = 0; x < m_Width; ++x)
for(uint32 y = 0; y < m_Height; ++y)
m_Atlas.writePixel(x, y, col);
for(imageMapIter iImage = m_Images.begin();
iImage != m_Images.end();
iImage++)
WriteImage(iImage->second);
MEngine* engine = MEngine::getInstance();
MRenderingContext* render = engine->getRenderingContext();
if(m_TextureID == 0)
render->createTexture(&m_TextureID);
render->bindTexture(m_TextureID);
render->sendTextureImage(&m_Atlas, false, 1, 0);
if(clear)
{
// remove images
delete [] m_Layout;
m_Layout = NULL;
}
}
void MTextureRef::update(void)
{
M_PROFILE_SCOPE(MTextureRef::update);
MEngine * engine = MEngine::getInstance();
MRenderingContext * render = engine->getRenderingContext();
MImage image;
if(engine->getImageLoader()->loadData(getFilename(), &image))
{
if(m_textureId == 0)
render->createTexture(&m_textureId);
m_components = image.getComponents();
m_width = image.getWidth();
m_height = image.getHeight();
// send texture image
render->bindTexture(m_textureId);
render->sendTextureImage(&image, isMipmapEnabled(), 1, 0);
}
}
// main
int main(int argc, char **argv)
{
setlocale(LC_NUMERIC, "C");
// get engine (first time call onstructor)
MEngine * engine = MEngine::getInstance();
// get window (first time call onstructor)
MWindow * window = MWindow::getInstance();
// create window
window->create("Maratis", 1024,768, 32, false);
// set current directory
char rep[256];
getRepertory(rep, argv[0]);
window->setCurrentDirectory(rep);
// get Maratis (first time call onstructor)
Maratis * maratis = Maratis::getInstance();
MRenderingContext * render = engine->getRenderingContext();
// init gui
MGui * gui = MGui::getInstance();
gui->setRenderingContext(render);
gui->addFont(new MGuiTextureFont("font/default.tga"));
// init MaratisUI
window->setPointerEvent(MaratisUI::windowEvents);
// logo
{
MImage image;
if(! M_loadImage("gui/Title.png", &image))
return 0;
render->createTexture(&logoTextureId);
render->bindTexture(logoTextureId);
render->sendTextureImage(&image, false, false, false);
// clear window
draw();
MGuiText text("LOADING", MVector2(480, 280), 16, MVector4(1, 1, 1, 1));
text.draw();
window->swapBuffer();
}
// load project
if(argc > 1)
{
maratis->loadProject(argv[1]);
}
// time
unsigned int frequency = 60;
unsigned long previousFrame = 0;
unsigned long startTick = window->getSystemTick();
int f = 0;
int t = 0;
// on events
while(window->isActive())
{
// on events
if(window->onEvents())
{
// compute target tick
unsigned long currentTick = window->getSystemTick();
unsigned long tick = currentTick - startTick;
unsigned long frame = (unsigned long)(tick * (frequency * 0.001f));
// update elapsed time
unsigned int i;
unsigned int steps = (unsigned int)(frame - previousFrame);
if(window->getFocus())
{
// don't wait too much
if(steps >= (frequency/2))
{
update();
draw();
previousFrame += steps;
continue;
}
// update
for(i=0; i<steps; i++)
{
update();
previousFrame++;
t++;
if(t == frequency)
{
MGame * game = engine->getGame();
if(game)
{
if(! game->isRunning())
MFilesUpdate::update();
}
else
{
MFilesUpdate::update();
}
//printf("fps:%d\n", f);
t = 0;
f = 0;
}
}
// draw
//if(steps > 0)
{
draw();
f++;
}
}
else
{
previousFrame = frame;
window->swapBuffer();
}
}
}
gui->clear();
maratis->clear();
return 0;
}
bool M_loadFont(const char * filename, void * data, void * arg)
{
MFont * font = (MFont *)data;
int pen_x, pen_y, max_y;
unsigned int n, max_code = 4096;
unsigned int size = font->getFontSize();
unsigned int space = 2;
unsigned int width = 1024;
unsigned int height = 0;
MImage image;
FT_GlyphSlot slot;
FT_Library library;
FT_Face face;
FT_Byte * file_base;
FT_Long file_size;
// init
FT_Error error = FT_Init_FreeType(&library);
if(error){
printf("ERROR Load Font : unable to init FreeType\n");
return false;
}
// open file
MFile * file = M_fopen(filename, "rb");
if(! file)
{
FT_Done_FreeType(library);
printf("ERROR Load Font : can't read file %s\n", filename);
return false;
}
M_fseek(file, 0, SEEK_END);
file_size = M_ftell(file);
M_rewind(file);
file_base = new FT_Byte[file_size];
if(file_size != M_fread(file_base, sizeof(FT_Byte), file_size, file))
{
M_fclose(file);
FT_Done_FreeType(library);
delete [] file_base;
return false;
}
// read font
error = FT_New_Memory_Face(library, file_base, file_size, 0, &face);
M_fclose(file);
if(error)
{
printf("ERROR Load Font : unable to read data %s\n", filename);
FT_Done_FreeType(library);
delete [] file_base;
return false;
}
// set font size
error = FT_Set_Pixel_Sizes(face, 0, size);
if(error)
{
printf("ERROR Load Font : unable to size font\n");
FT_Done_FreeType(library);
delete [] file_base;
return false;
}
// parse characters
max_y = 0;
slot = face->glyph;
pen_x = space; pen_y = space;
for(n = 0; n<max_code; n++)
{
// load glyph image into the slot (erase previous one)
error = FT_Load_Char(face, n, FT_LOAD_RENDER | FT_LOAD_NO_HINTING);
if(error)
continue;
if(FT_Get_Char_Index(face, n) == 0)
continue;
// max y
max_y = MAX(max_y, slot->bitmap.rows);
if((pen_x + slot->bitmap.width + space) > width)
{
pen_x = space;
pen_y += max_y + space;
height += max_y + space;
max_y = 0;
}
// increment pen position
pen_x += slot->bitmap.width + space;
}
if(height == 0)
{
printf("ERROR Load Font : unable to create font texture\n");
FT_Done_FreeType(library);
delete [] file_base;
return false;
}
// create image
height = getNextPowerOfTwo(height);
image.create(M_UBYTE, width, height, 4);
memset(image.getData(), 0, image.getSize()*sizeof(char));
// init font
font->setTextureWidth(width);
font->setTextureHeight(height);
// create font texture
max_y = 0;
slot = face->glyph;
pen_x = space; pen_y = space;
for(n = 0; n<max_code; n++)
{
// load glyph image into the slot (erase previous one)
error = FT_Load_Char(face, n, FT_LOAD_RENDER | FT_LOAD_NO_HINTING);
if(error)
continue;
if(FT_Get_Char_Index(face, n) == 0)
continue;
// max y
max_y = MAX(max_y, slot->bitmap.rows);
if((pen_x + slot->bitmap.width + space) > (int)image.getWidth()){
pen_x = space;
pen_y += max_y + space;
}
// get character properties
float xAdvance = (slot->advance.x >> 6) / ((float)size);
MVector2 offset = MVector2((float)slot->bitmap_left - 1, - (float)slot->bitmap_top - 1) / ((float)size);
MVector2 pos = MVector2((float)(pen_x-1) / (float)width, (float)(pen_y-1) / (float)height);
MVector2 scale = MVector2((float)(slot->bitmap.width+2) / (float)width, (float)(slot->bitmap.rows+2) / (float)height);
// set character
font->setCharacter(n, MCharacter(xAdvance, offset, pos, scale));
// draw to image
drawBitmap(&image, &slot->bitmap, pen_x, pen_y);
// increment pen position
pen_x += slot->bitmap.width + space;
}
// send texture
MEngine * engine = MEngine().getInstance();
MRenderingContext * render = engine->getRenderingContext();
// gen texture id
unsigned int textureId = font->getTextureId();
if(textureId == 0)
{
render->createTexture(&textureId);
font->setTextureId(textureId);
}
// send texture image
render->bindTexture(textureId);
render->setTextureUWrapMode(M_WRAP_REPEAT);
render->setTextureVWrapMode(M_WRAP_REPEAT);
render->sendTextureImage(&image, 0, 1, 0);
// finish
FT_Done_FreeType(library);
delete [] file_base;
return true;
}
bool M_loadBinFont(const char * filename, void * data)
{
// open file
FILE * file = fopen(filename, "rb");
if(! file)
{
printf("Error : can't read file %s\n", filename);
return false;
}
// bin
char header[8];
fread(header, sizeof(char), 8, file);
if(strcmp(header, "MFONT") != 0)
return false;
// version
int version;
fread(&version, sizeof(int), 1, file);
// font size
unsigned int fontSize;
fread(&fontSize, sizeof(int), 1, file);
// init font
MFont * font = (MFont *)data;
font->setFontSize(fontSize);
// create image
{
unsigned int width, height;
fread(&width, sizeof(int), 1, file);
fread(&height, sizeof(int), 1, file);
font->setTextureWidth(width);
font->setTextureHeight(height);
MImage image;
image.create(M_UBYTE, width, height, 4);
unsigned char color[4] = {255, 255, 255, 0};
unsigned int x, y;
for(y=0; y<height; y++)
{
for(x=0; x<width; x++)
{
fread(&color[3], sizeof(char), 1, file);
image.writePixel(x, y, color);
}
}
MEngine * engine = MEngine().getInstance();
MRenderingContext * render = engine->getRenderingContext();
// gen texture id
unsigned int textureId = font->getTextureId();
if(textureId == 0)
{
render->createTexture(&textureId);
font->setTextureId(textureId);
}
// send texture image
render->bindTexture(textureId);
render->setTextureUWrapMode(M_WRAP_REPEAT);
render->setTextureVWrapMode(M_WRAP_REPEAT);
render->sendTextureImage(&image, 0, 1, 0);
}
// read characters infos
{
// size
unsigned int size;
fread(&size, sizeof(int), 1, file);
// characters
unsigned int i;
for(i=0; i<size; i++)
{
unsigned int charCode;
MVector2 pos;
MVector2 offset;
MVector2 scale;
float xadvance;
fread(&charCode, sizeof(int), 1, file);
fread(&pos, sizeof(float), 2, file);
fread(&offset, sizeof(float), 2, file);
fread(&scale, sizeof(float), 2, file);
fread(&xadvance, sizeof(float), 1, file);
font->setCharacter(charCode, MCharacter(xadvance, offset, pos, scale));
}
}
fclose(file);
return true;
}
