public void RenderText(float x, float y, string text, Rectangle? area, AtlasSheet.SpriteVOrigin vOrigin, AtlasSheet.SpriteHOrigin hOrigin, int lineSpace)
{
//If there is a texture to render from
Graphics.TextureManager.TextureProgram.PushModelView();
//Draw positions
float dX = x;
float dY = y;
//If the text needs to be aligned
if( area == null ) {
area = new Rectangle((int)x, (int)y, 0, 0);
}
//Set origin (vertical)
switch (vOrigin) {
case AtlasSheet.SpriteVOrigin.Top: {
dY = area.Value.Top;
}
break;
case AtlasSheet.SpriteVOrigin.Bottom: {
dY = area.Value.Bottom - StringHeight(text, lineSpace);
}
break;
default: {
dY = (area.Value.Top + area.Value.Bottom - StringHeight(text, lineSpace)) / 2;
}
break;
}
//Set origin (horizontal)
switch (hOrigin) {
case AtlasSheet.SpriteHOrigin.Left: {
dX = area.Value.Left;
}
break;
case AtlasSheet.SpriteHOrigin.Right: {
dX = area.Value.Right - SubstringWidth(text);
}
break;
default: {
dX = (area.Value.Left + area.Value.Right - SubstringWidth(text)) / 2;
}
break;
}
//Move to draw position
Graphics.TextureManager.TextureProgram.LeftMultModelView( Matrix4.CreateTranslation(dX, dY, 0));
int currentTexture = -1;
//Go through string
for( int i = 0; i < text.Length; i++ ) {
//Space
if( text[ i ] == ' ' )
{
Graphics.TextureManager.TextureProgram.LeftMultModelView( Matrix4.CreateTranslation( mSpace, 0, 0 ) );
Graphics.TextureManager.TextureProgram.UpdateModelView();
dX += mSpace;
}
//Newline
else if( text[ i ] == '\n' )
{
//Handle horizontal alignment
float targetX = x;
switch (hOrigin) {
case AtlasSheet.SpriteHOrigin.Left: {
targetX = area.Value.Left;
}
break;
case AtlasSheet.SpriteHOrigin.Right: {
targetX = area.Value.Right - SubstringWidth(text[i+1].ToString());
}
break;
default: {
targetX = (area.Value.Left + area.Value.Right - SubstringWidth(text.Substring(i+1).ToString()))/2;
}
break;
}
Graphics.TextureManager.TextureProgram.LeftMultModelView(Matrix4.CreateTranslation(targetX - dX, lineSpace, 0));
Graphics.TextureManager.TextureProgram.UpdateModelView();
dY += lineSpace;
dX += targetX - dX;
}
//Character
else
{
//Get ASCII
if (mCharToVertIndexMap.ContainsKey(text[ i ]))
{
//Update position matrix in program
Graphics.TextureManager.TextureProgram.UpdateModelView();
//Get ASCII code's index in the font array
Tuple<int, int> texture_char = mCharToVertIndexMap[text[i]];
if (currentTexture != texture_char.Item1)
{
if (currentTexture != -1)
mFontSheets[currentTexture].EndRender();
mFontSheets[texture_char.Item1].BeginRender();
currentTexture = texture_char.Item1;
}
Rectangle char_rect = mFontSheets[texture_char.Item1].GetClip(texture_char.Item2);
mFontSheets[texture_char.Item1].RenderFontSprite(texture_char.Item2);
//Move over
Graphics.TextureManager.TextureProgram.LeftMultModelView(Matrix4.CreateTranslation(char_rect.Width, 0, 0));
Graphics.TextureManager.TextureProgram.UpdateModelView();
dX += char_rect.Width;
}
Graphics.TextureManager.TextureProgram.UpdateModelView();
}
}
if (currentTexture != -1)
mFontSheets[currentTexture].EndRender();
Graphics.TextureManager.TextureProgram.PopModelView();
Graphics.TextureManager.TextureProgram.UpdateModelView();
}
public void RenderText(float x, float y, string text, Rectangle? area, AtlasSheet.SpriteVOrigin vOrigin, AtlasSheet.SpriteHOrigin hOrigin, int lineSpace, Color4 color)
{
Graphics.TextureManager.TextureProgram.SetTextureColor(color);
RenderText(x, y, text, area, vOrigin, hOrigin, lineSpace);
Graphics.TextureManager.TextureProgram.SetTextureColor(Color4.White);
}