From 2742fef458c3626476193c9e2d1b9231e042e420 Mon Sep 17 00:00:00 2001
From: paradust7 <102263465+paradust7@users.noreply.github.com>
Date: Sat, 21 May 2022 15:11:49 -0700
Subject: Fixes needed to use irrArray backed by std::vector (#12263)

---
 src/irrlicht_changes/CGUITTFont.cpp | 14 +++++---------
 src/irrlicht_changes/CGUITTFont.h   | 38 ++++++++++++++++++++++++-------------
 2 files changed, 30 insertions(+), 22 deletions(-)

(limited to 'src/irrlicht_changes')

diff --git a/src/irrlicht_changes/CGUITTFont.cpp b/src/irrlicht_changes/CGUITTFont.cpp
index fe86adae6..0f2572ee0 100644
--- a/src/irrlicht_changes/CGUITTFont.cpp
+++ b/src/irrlicht_changes/CGUITTFont.cpp
@@ -292,9 +292,6 @@ shadow_offset(0), shadow_alpha(0), fallback(0)
 		Driver->grab();
 
 	setInvisibleCharacters(L" ");
-
-	// Glyphs aren't reference counted, so don't try to delete them when we free the array.
-	Glyphs.set_free_when_destroyed(false);
 }
 
 bool CGUITTFont::load(const io::path& filename, const u32 size, const bool antialias, const bool transparency)
@@ -411,8 +408,7 @@ CGUITTFont::~CGUITTFont()
 {
 	// Delete the glyphs and glyph pages.
 	reset_images();
-	CGUITTAssistDelete::Delete(Glyphs);
-	//Glyphs.clear();
+	Glyphs.clear();
 
 	// We aren't using this face anymore.
 	auto n = c_faces.find(filename);
@@ -675,6 +671,8 @@ void CGUITTFont::draw(const EnrichedString &text, const core::rect<s32>& positio
 	update_glyph_pages();
 	auto it = Render_Map.begin();
 	auto ie = Render_Map.end();
+	core::array<core::vector2di> tmp_positions;
+	core::array<core::recti> tmp_source_rects;
 	while (it != ie)
 	{
 		CGUITTGlyphPage* page = it->second;
@@ -696,10 +694,8 @@ void CGUITTFont::draw(const EnrichedString &text, const core::rect<s32>& positio
 			do
 				++i;
 			while (i < page->render_positions.size() && page->render_colors[i] == colprev);
-			core::array<core::vector2di> tmp_positions;
-			core::array<core::recti> tmp_source_rects;
-			tmp_positions.set_pointer(&page->render_positions[ibegin], i - ibegin, false, false); // no copy
-			tmp_source_rects.set_pointer(&page->render_source_rects[ibegin], i - ibegin, false, false);
+			tmp_positions.set_data(&page->render_positions[ibegin], i - ibegin);
+			tmp_source_rects.set_data(&page->render_source_rects[ibegin], i - ibegin);
 			--i;
 
 			if (!use_transparency)
diff --git a/src/irrlicht_changes/CGUITTFont.h b/src/irrlicht_changes/CGUITTFont.h
index 9457e5b18..210222ed4 100644
--- a/src/irrlicht_changes/CGUITTFont.h
+++ b/src/irrlicht_changes/CGUITTFont.h
@@ -37,6 +37,7 @@
 #include <map>
 #include <irrUString.h>
 #include "util/enriched_string.h"
+#include "util/basic_macros.h"
 #include FT_FREETYPE_H
 
 namespace irr
@@ -46,23 +47,34 @@ namespace gui
 	struct SGUITTFace;
 	class CGUITTFont;
 
-	//! Class to assist in deleting glyphs.
-	class CGUITTAssistDelete
-	{
-		public:
-			template <class T, typename TAlloc>
-			static void Delete(core::array<T, TAlloc>& a)
-			{
-				TAlloc allocator;
-				allocator.deallocate(a.pointer());
-			}
-	};
-
 	//! Structure representing a single TrueType glyph.
 	struct SGUITTGlyph
 	{
 		//! Constructor.
-		SGUITTGlyph() : isLoaded(false), glyph_page(0), surface(0), parent(0) {}
+		SGUITTGlyph() :
+			isLoaded(false),
+			glyph_page(0),
+			source_rect(),
+			offset(),
+			advance(),
+			surface(0),
+			parent(0)
+		{}
+
+		DISABLE_CLASS_COPY(SGUITTGlyph);
+
+		//! This class would be trivially copyable except for the reference count on `surface`.
+		SGUITTGlyph(SGUITTGlyph &&other) :
+			isLoaded(other.isLoaded),
+			glyph_page(other.glyph_page),
+			source_rect(other.source_rect),
+			offset(other.offset),
+			advance(other.advance),
+			surface(other.surface),
+			parent(other.parent)
+		{
+			other.surface = 0;
+		}
 
 		//! Destructor.
 		~SGUITTGlyph() { unload(); }
-- 
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