X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2FFont.cpp;h=94d451ae7a9f7d272cc706599c9ce4b5b774849d;hb=9648fd7d258ae1a2baccb8dd5b6f7a9491e55803;hp=135775c1412061224b1e9434acc2d7f19245e80c;hpb=2f2dad58f3b9f7c98cf20211929ff31f5ebf5e5f;p=l2e.git diff --git a/src/graphics/Font.cpp b/src/graphics/Font.cpp index 135775c..94d451a 100644 --- a/src/graphics/Font.cpp +++ b/src/graphics/Font.cpp @@ -7,47 +7,81 @@ #include "Font.h" -#include "../geometry/operators.h" -#include "../geometry/Vector.h" +#include "../loader/Interpreter.h" +#include "../loader/TypeDescription.h" #include +#include -using geometry::Point; using geometry::Vector; +using loader::FieldDescription; +using loader::Interpreter; +using loader::TypeDescription; using std::pow; namespace graphics { -void Font::DrawChar(char c, SDL_Surface *dest, Point position) const { - if (!HasChar(c)) return; - const Mapping &m(map[(unsigned char)c]); - sprite->Draw(dest, position, m.col, m.row); +void Font::DrawChar(char c, SDL_Surface *dest, const Vector &position) const { + if (!sprite) return; + + int col(colOffset + (c % 0x10)); + int row(rowOffset + (c / 0x10)); + sprite->Draw(dest, position, col, row); } -void Font::DrawString(const char *s, SDL_Surface *dest, Point positionIn, int maxChars) const { - Point position(positionIn); +void Font::DrawString(const char *s, SDL_Surface *dest, const Vector &positionIn, int maxWidth) const { + if (!sprite) return; + + Vector position(positionIn); + Vector lineHead(positionIn); Vector step(CharWidth(), 0); - for (int i(0); s[i] && (maxChars <= 0 || i < maxChars); ++i, position += step) { - DrawChar(s[i], dest, position); + Vector lineBreak(0, CharHeight()); + for (int i(0), col(0); s[i] && (maxWidth <= 0 || col < maxWidth); ++i) { + if (s[i] == '\n') { + lineHead += lineBreak; + position = lineHead; + col = 0; + } else { + DrawChar(s[i], dest, position); + position += step; + ++col; + } } } -void Font::DrawDigit(int digit, SDL_Surface *dest, Point position) const { - sprite->Draw(dest, position, digitsCol + digit, digitsRow); +void Font::DrawStringRight(const char *s, SDL_Surface *dest, const Vector &positionIn, int maxWidth) const { + // NOTE: this does not handle line breaks + if (!sprite) return; + + int length(0); + while (length < maxWidth && s[length] != '\0') { + ++length; + } + Vector position(positionIn.X() - length * CharWidth(), positionIn.Y()); + + DrawString(s, dest, position, length); } -void Font::DrawNumber(int numberIn, SDL_Surface *dest, Point positionIn, int digits) const { +void Font::DrawDigit(int digit, SDL_Surface *dest, const Vector &position) const { + if (!sprite) return; + + DrawChar(digit + 0x30, dest, position); +} + +void Font::DrawNumber(int numberIn, SDL_Surface *dest, const Vector &positionIn, int digits) const { + if (!sprite) return; + int number(numberIn); if (digits > 0 && numberIn >= pow(10.0, digits)) { numberIn = pow(10.0, digits) - 1; } - Point position(positionIn); + Vector position(positionIn); Vector step(sprite->Width(), 0); if (digits > 0) { int i(digits - 1); - while (number < pow(10.0, i)) { + while (number < pow(10.0, i) && i > 0) { position += step; --i; } @@ -65,4 +99,34 @@ void Font::DrawNumber(int numberIn, SDL_Surface *dest, Point positionIn, in } } +void Font::DrawNumberRight(int number, SDL_Surface *dest, const Vector &positionIn, int digits) const { + if (!sprite) return; + + Vector position(positionIn.X() - digits * CharWidth(), positionIn.Y()); + + DrawNumber(number, dest, position, digits); +} + + +void Font::CreateTypeDescription() { + Font f; + + TypeDescription &td(TypeDescription::Create(TYPE_ID, "Font")); + td.SetDescription( + "Simple font with fixed-width characters using a sprite for rendering.\n" + "Characters from strings are mapped as follows:\n" + "
sprite column = column offset + (character % 16)\n"
+			"sprite row    = row    offset + (character / 16)
"); + td.SetConstructor(&Construct); + td.SetSize(sizeof(Font)); + + td.AddField("sprite", FieldDescription(((char *)&f.sprite) - ((char *)&f), Sprite::TYPE_ID).SetReferenced().SetDescription("a sprite where each tile corresponds to a character")); + td.AddField("columnoffset", FieldDescription(((char *)&f.colOffset) - ((char *)&f), Interpreter::NUMBER_ID).SetDescription("offset of the column of the first character")); + td.AddField("rowoffset", FieldDescription(((char *)&f.rowOffset) - ((char *)&f), Interpreter::NUMBER_ID).SetDescription("offset of the row of the first character")); +} + +void Font::Construct(void *data) { + new (data) Font; +} + }