From 9d389592587ac4658ea64dbf6c531a8aa4e7a19f Mon Sep 17 00:00:00 2001
From: korin <voluminum1@gmail.com>
Date: Thu, 6 Apr 2023 15:19:04 -0400
Subject: [PATCH] fuck off

---
 src/font_build.rs | 71 ++++++++++++++++++++++++++++-------------------
 src/main.rs       | 32 ++-------------------
 2 files changed, 45 insertions(+), 58 deletions(-)

diff --git a/src/font_build.rs b/src/font_build.rs
index 042a11c..2d2e9fb 100644
--- a/src/font_build.rs
+++ b/src/font_build.rs
@@ -1,10 +1,16 @@
+//! A redneck font renderer
+//!
+//! This takes a janky ass raw image file with width info inserted
+//! and turns it into a bunch of points for SDL2 to read.
+
 use std::{fs::File, path::Path, io::Read};
 
+use sdl2::rect::Point;
+
 const GLYPH_WIDTH:  usize = 8;
 const GLYPH_HEIGHT: usize = 14;
 const GLYPH_AREA:   usize = GLYPH_WIDTH * GLYPH_HEIGHT;
-#[allow(dead_code)]
-type Glyph = [[bool; GLYPH_WIDTH]; GLYPH_HEIGHT];
+type Glyph = Vec<Point>;
 
 /// Reads the file and turns it into a Vec of u8s
 fn read_file(file_name: String) -> Vec<u8> {
@@ -21,49 +27,56 @@ fn read_file(file_name: String) -> Vec<u8> {
     file_content
 }
 
-pub fn get_font() {
+pub fn generate_glyph_atlas() -> Vec<Glyph> {
     // Retrieve font data from file
     let file_path = String::from("./fonts/Terminus14x8.data");
     println!("In file {file_path}");
 
     let contents = read_file(file_path);
 
+    // Get width of image for proper positioning of pixels
     let width_left_byte  = contents[0];
     let width_right_byte = contents[1];
     let number = [width_left_byte, width_right_byte];
     let width = u16::from_be_bytes(number);
 
-    println!("Left Byte: {width_left_byte}, Right Byte: {width_right_byte}, Byte Pair {width}");
-
-    /*
-    let gtable_prune = contents[2..].iter()
-                                    .filter(|x| **x % 3 == 0)
-                                    .collect::<Vec<_>>();
-     */
-    // Remove useless Green and Blue data
-    let gtable_prune: Vec<u8> = contents[2..].iter()
-                                             .enumerate()
-                                             .filter(|x| x.0 % 3 == 0)
-                                             .map(|(_, x)| *x)
-                                             .collect();
-
-    println!("Pruned Glyph Table is {} long; it should be {}.",
-             gtable_prune.len(),
-             (contents.len() - 2) / 3
-    );
-
-    let glyph_atlas: Vec<Glyph>;
-    for glyph in 0..95 {
-        let new_glyph: Glyph = [[false; GLYPH_WIDTH]; GLYPH_HEIGHT];
+    println!("Left Byte: {width_left_byte}, Right Byte: {width_right_byte}, Byte Pair: {width}");
+    let gtable_prune = &contents[2..];
+
+    let mut glyph_atlas: Vec<Glyph> = vec![];
+
+    for glyph in 0..96 {
+        let mut new_glyph: Glyph = vec![];
+
         for p in 0..GLYPH_AREA as u16 {
-            let multiplier = p / GLYPH_WIDTH as u16 * width;
+            let x = p % GLYPH_WIDTH as u16;
+            let y = p / GLYPH_WIDTH as u16;
+
+            let multiplier = y * width;
             let offset = glyph * GLYPH_WIDTH as u16;
-            let position = (p % GLYPH_WIDTH as u16 + multiplier + offset) as usize;
+            let position = (x as u16 + multiplier + offset) as usize;
 
-            println!("Glyph num: {glyph:2.} | Addr: {p:3.} | Line: {multiplier:5.} | Pos: {position:5.}");
+            if gtable_prune[position] == 1 {
+                new_glyph.push(Point::new(x as i32, y as i32));
+            }
+
+            /* // Debug info
+            print!("Glyph num: {glyph:2.} | Addr: {p:3.} | Line: {multiplier:5.} | Pos: {position:5.}");
 
-            if gtable_prune[position] == 255 {
+            if gtable_prune[position] == 1 {
+                println!(" | X: {x:2.} | Y: {y:2.}");
+            } else {
+                println!();
             }
+            */
         }
+        glyph_atlas.push(new_glyph);
     }
+
+    glyph_atlas
+}
+
+pub fn generate_text(content: &str, glyph_atlas: Vec<Glyph>) -> Vec<Point> {
+
+    unimplemented!()
 }
diff --git a/src/main.rs b/src/main.rs
index 6454b8f..3bd3fca 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,8 +12,6 @@ use sdl2::render::TextureQuery;
 //use _catlas::*;
 
 mod font_build;
-#[allow(unused_imports)]
-use font_build::*;
 
 static SCREEN_WIDTH: u32 = 1680;
 static SCREEN_HEIGHT: u32 = 945;
@@ -31,32 +29,6 @@ macro_rules! rect(
     )
 );
 
-// Scale fonts to a reasonable size when they're too big (though they might look less smooth)
-/*
-fn get_centered_rect(rect_width: u32, rect_height: u32, cons_width: u32, cons_height: u32) -> Rect {
-    let wr = rect_width as f32 / cons_width as f32;
-    let hr = rect_height as f32 / cons_height as f32;
-
-    let (w, h) = if wr > 1f32 || hr > 1f32 {
-        if wr > hr {
-            println!("Scaling down! The text will look worse!");
-            let h = (rect_height as f32 / wr) as i32;
-            (cons_width as i32, h)
-        } else {
-            println!("Scaling down! The text will look worse!");
-            let w = (rect_width as f32 / hr) as i32;
-            (w, cons_height as i32)
-        }
-    } else {
-        (rect_width as i32, rect_height as i32)
-    };
-
-    let cx = (SCREEN_WIDTH as i32 - w) / 2;
-    let cy = (SCREEN_HEIGHT as i32 - h) / 2;
-    rect!(cx, cy, w, h)
-}
-*/
-
 fn get_corner_rect(rect_width: u32, rect_height: u32) -> Rect {
     let (w,h) = (rect_width as i32, rect_height as i32);
     let cx = 15;
@@ -66,7 +38,7 @@ fn get_corner_rect(rect_width: u32, rect_height: u32) -> Rect {
 
 
 pub fn main() -> Result<(), String> {
-    font_build::get_font();
+    font_build::generate_glyph_atlas();
 
     let font_path: &Path = Path::new("./fonts/Monoid-Regular.ttf");
 
@@ -119,6 +91,8 @@ pub fn main() -> Result<(), String> {
         Ok(())
     };
 
+    draw_text(" ")?;
+
     let mut modifier_keys = ModifierKeys {alt: false, ctrl: false, shift: false};
 
     'mainloop: loop {