From 33755cc2e9fb6bf77cafe92389982c6bc116b332 Mon Sep 17 00:00:00 2001
From: Jaby <fenir50@web.de>
Date: Wed, 3 Jan 2024 22:44:33 -0600
Subject: [PATCH] Support clearing existing text

---
 support/include/FontWriter/font_writer.hpp | 2 ++
 support/src/FontWriter/src/font_writer.cpp | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/support/include/FontWriter/font_writer.hpp b/support/include/FontWriter/font_writer.hpp
index 5f924b44..4232d3da 100644
--- a/support/include/FontWriter/font_writer.hpp
+++ b/support/include/FontWriter/font_writer.hpp
@@ -34,6 +34,8 @@ namespace JabyEngine {
             FontWriter::setup(vram_dst, Make::SizeI16(font_info.font_size.width, font_info.font_size.height));
         }
 
+        void clear();
+
         void write(State& state, const char* str, ...) {
             __write_impl(str, GPU::Color24::Grey(), nullptr);
         }
diff --git a/support/src/FontWriter/src/font_writer.cpp b/support/src/FontWriter/src/font_writer.cpp
index 975dd083..74ae5d88 100644
--- a/support/src/FontWriter/src/font_writer.cpp
+++ b/support/src/FontWriter/src/font_writer.cpp
@@ -63,13 +63,17 @@ namespace JabyEngine {
         this->last_primitive = nullptr;
     }
 
+    void FontWriter :: clear() {
+        this->last_primitive = &this->tex_page[GPU::update_id()];
+    }
+
     void FontWriter :: write(State& state, const char* str, GPU::Color24 color, const Wiggle* wiggle, va_list list) {
         static const auto exchang_str = [](const char* str, const char* new_str) -> pair<const char*, const char*> {
             return {str + 1, new_str};
         };
 
         if(!this->last_primitive) {
-            this->last_primitive = &this->tex_page[GPU::update_id()];
+            FontWriter::clear();
         }
 
         const auto row_count = 256/font_size.width;