From e45e92e0ff294e6a1899b01b8cfdd8ab25d8dcdc Mon Sep 17 00:00:00 2001
From: Ekaitz Zarraga <ekaitz@elenq.tech>
Date: Tue, 13 Dec 2022 19:35:48 +0100
Subject: Make a better text rendering system and a simple example in
 titlestate

---
 src/graphics/textureFont.cpp | 48 +++++++++++++++++++++-----------------------
 1 file changed, 23 insertions(+), 25 deletions(-)

(limited to 'src/graphics/textureFont.cpp')

diff --git a/src/graphics/textureFont.cpp b/src/graphics/textureFont.cpp
index 29f9c71..3be2444 100644
--- a/src/graphics/textureFont.cpp
+++ b/src/graphics/textureFont.cpp
@@ -8,37 +8,35 @@ TextureFont::TextureFont(const sf::Texture &texture,
     , description_(description)
 {
     sf::Vector2u totalSize = tex_.getSize();
-    sf::Vector2f totalSize_f (totalSize.x, totalSize.y);
-    glyphSize_ = sf::Vector2f( totalSize.x / description_.numcols,
+    glyphSize_ = sf::Vector2i( totalSize.x / description_.numcols,
                                totalSize.y / description_.numrows );
-}
 
-std::array<sf::Vector2f, 4> TextureFont::getGlyphMapping(const char ch){
-    unsigned int pos = static_cast<unsigned int>( description_.mapping.find_first_of(ch));
-    if (pos == std::string::npos){
-        // TODO: Error handling!
-        pos = 0;
+    for(unsigned int i=0; i<description.mapping.size(); i++){
+        sf::Glyph glyph;
+        glyph.advance = glyphSize_.x;
+
+        unsigned int x = i % description_.numcols;
+        unsigned int y = (i - x) / description_.numcols;
+
+        glyph.textureRect = sf::IntRect(x*glyphSize_.x,
+                                        y*glyphSize_.y,
+                                        glyphSize_.x,
+                                        glyphSize_.y);
+
+        glyph.bounds = sf::FloatRect(0,
+                                     0,
+                                     glyphSize_.x,
+                                     glyphSize_.y);
+
+        glyphTable_.insert(std::make_pair(description.mapping[i], glyph));
     }
-    unsigned int x = pos % description_.numcols;
-    unsigned int y = (pos - x) / description_.numcols;
-
-    sf::Vector2f basePos(x*glyphSize_.x, y*glyphSize_.y);
-
-    // 1 --- 2
-    // |     |
-    // 4 --- 3
-    return std::array<sf::Vector2f,4> {
-        basePos,
-        basePos + sf::Vector2f( glyphSize_.x, 0 ),
-        basePos + glyphSize_,
-        basePos + sf::Vector2f( 0, glyphSize_.y ),
-    };
 }
 
-sf::Vector2f TextureFont::getGlyphSize(){
-    return glyphSize_;
+const sf::Glyph & TextureFont::getGlyph(char ch) const{
+    auto pair = glyphTable_.find(ch);
+    return pair->second;
 }
 
-const sf::Texture * TextureFont::getTexture(){
+const sf::Texture * TextureFont::getTexture(unsigned int _){
     return &tex_;
 }
-- 
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