Make hud use fontengine too

Fix non coding style conforming glb_fontengine to g_fontengine
Fix fonts never been deleted due to grabbed to often

12 files changed, 41 insertions, 47 deletions

diff --git a/minetest.conf.example b/minetest.conf.example
index 91b3251c0..5ab98c0f9 100644
--- a/minetest.conf.example
+++ b/minetest.conf.example
@@ -216,7 +216,7 @@
 #tooltip_show_delay = 400
 # Delay showing tooltips, in miliseconds
 #screen_dpi = 72
-# adjust dpi configuration to your screen (PC/MAC only) e.g. for 4k screens
+# adjust dpi configuration to your screen (Desktop only) e.g. for 4k screens
 
 # Default timeout for cURL, in milliseconds
 # Only has an effect if compiled with cURL
diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index a8ae9e251..1ebf5dc49 100644
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -195,7 +195,7 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("mono_font_size", fontsize.str());
 	settings->setDefault("fallback_font_size", fontsize.str());
 #else
- 	settings->setDefault("freetype", "false");
+	settings->setDefault("freetype", "false");
 	settings->setDefault("font_path", porting::getDataPath("fonts" DIR_DELIM "lucida_sans"));
 	settings->setDefault("mono_font_path", porting::getDataPath("fonts" DIR_DELIM "mono_dejavu_sans"));
 
diff --git a/src/drawscene.cpp b/src/drawscene.cpp
index ba3316143..8ba2be1b0 100644
--- a/src/drawscene.cpp
+++ b/src/drawscene.cpp
@@ -507,7 +507,7 @@ void draw_load_screen(const std::wstring &text, IrrlichtDevice* device,
 	video::IVideoDriver* driver    = device->getVideoDriver();
 	v2u32 screensize               = porting::getWindowSize();
 
-	v2s32 textsize(glb_fontengine->getTextWidth(text), glb_fontengine->getLineHeight());
+	v2s32 textsize(g_fontengine->getTextWidth(text), g_fontengine->getLineHeight());
 	v2s32 center(screensize.X / 2, screensize.Y / 2);
 	core::rect<s32> textrect(center - textsize / 2, center + textsize / 2);
 
@@ -534,7 +534,7 @@ void draw_load_screen(const std::wstring &text, IrrlichtDevice* device,
 				// before with default settings
 				342 * porting::getDisplayDensity() *
 				g_settings->getFloat("gui_scaling"),
-				glb_fontengine->getTextHeight() * 2);
+				g_fontengine->getTextHeight() * 2);
 
 		core::rect<s32> barrect(center - barsize / 2, center + barsize / 2);
 		driver->draw2DRectangle(video::SColor(255, 255, 255, 255),barrect, NULL); // border
diff --git a/src/fontengine.cpp b/src/fontengine.cpp
index c1e36d6c8..f73f47ff7 100644
--- a/src/fontengine.cpp
+++ b/src/fontengine.cpp
@@ -33,11 +33,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define MAX_FONT_SIZE_OFFSET 10
 
 /** reference to access font engine, has to be initialized by main */
-FontEngine* glb_fontengine = NULL;
+FontEngine* g_fontengine = NULL;
 
 /** callback to be used on change of font size setting */
 static void font_setting_changed(const std::string) {
-	glb_fontengine->readSettings();
+	g_fontengine->readSettings();
 }
 
 /******************************************************************************/
@@ -349,7 +349,6 @@ void FontEngine::initFont(unsigned int basesize, FontMode mode)
 				font_shadow_alpha);
 
 		if (font != NULL) {
-			font->grab();
 			m_font_cache[mode][basesize] = font;
 		}
 		else {
@@ -457,7 +456,6 @@ void FontEngine::initSimpleFont(unsigned int basesize, FontMode mode)
 	}
 
 	if (font != NULL) {
-		font->grab();
 		m_font_cache[mode][basesize] = font;
 	}
 }
diff --git a/src/fontengine.h b/src/fontengine.h
index 6a5339770..679a96bea 100644
--- a/src/fontengine.h
+++ b/src/fontengine.h
@@ -135,6 +135,6 @@ private:
 };
 
 /** interface to access main font engine*/
-extern FontEngine* glb_fontengine;
+extern FontEngine* g_fontengine;
 
 #endif
diff --git a/src/game.cpp b/src/game.cpp
index c2b53420e..b6f96acc3 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -1159,7 +1159,7 @@ static void updateChat(Client &client, f32 dtime, bool show_debug,
 	// Display all messages in a static text element
 	unsigned int recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
 	std::wstring recent_chat       = chat_backend.getRecentChat();
-	unsigned int line_height       = glb_fontengine->getLineHeight();
+	unsigned int line_height       = g_fontengine->getLineHeight();
 
 	guitext_chat->setText(recent_chat.c_str());
 
@@ -1170,7 +1170,7 @@ static void updateChat(Client &client, f32 dtime, bool show_debug,
 		chat_y += line_height;
 
 	// first pass to calculate height of text to be set
-	s32 width = std::min(glb_fontengine->getTextWidth(recent_chat) + 10,
+	s32 width = std::min(g_fontengine->getTextWidth(recent_chat) + 10,
 			     porting::getWindowSize().X - 20);
 	core::rect<s32> rect(10, chat_y, width, chat_y + porting::getWindowSize().Y);
 	guitext_chat->setRelativePosition(rect);
@@ -1923,7 +1923,7 @@ bool Game::createClient(const std::string &playername,
 	}
 
 	// Update cached textures, meshes and materials
-	client->afterContentReceived(device, glb_fontengine->getFont());
+	client->afterContentReceived(device, g_fontengine->getFont());
 
 	/* Camera
 	 */
@@ -1981,8 +1981,7 @@ bool Game::createClient(const std::string &playername,
 	player->hurt_tilt_timer = 0;
 	player->hurt_tilt_strength = 0;
 
-	hud = new Hud(driver, smgr, guienv, glb_fontengine->getFont(),
-			glb_fontengine->getTextHeight(), gamedef, player, local_inventory);
+	hud = new Hud(driver, smgr, guienv, gamedef, player, local_inventory);
 
 	if (!hud) {
 		*error_message = L"Memory error: could not create HUD";
@@ -2011,7 +2010,7 @@ bool Game::initGui(std::wstring *error_message)
 	// Object infos are shown in this
 	guitext_info = guienv->addStaticText(
 			L"",
-			core::rect<s32>(0, 0, 400, glb_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
+			core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
 			false, true, guiroot);
 
 	// Status text (displays info when showing and hiding GUI stuff, etc.)
@@ -2342,7 +2341,7 @@ void Game::updateProfilers(const GameRunData &run_data, const RunStats &stats,
 			g_profiler->print(infostream);
 		}
 
-		update_profiler_gui(guitext_profiler, glb_fontengine,
+		update_profiler_gui(guitext_profiler, g_fontengine,
 				run_data.profiler_current_page, run_data.profiler_max_page);
 
 		g_profiler->clear();
@@ -2753,7 +2752,7 @@ void Game::toggleProfiler(float *statustext_time, u32 *profiler_current_page,
 	*profiler_current_page = (*profiler_current_page + 1) % (profiler_max_page + 1);
 
 	// FIXME: This updates the profiler with incomplete values
-	update_profiler_gui(guitext_profiler, glb_fontengine, *profiler_current_page,
+	update_profiler_gui(guitext_profiler, g_fontengine, *profiler_current_page,
 			profiler_max_page);
 
 	if (*profiler_current_page != 0) {
@@ -3872,7 +3871,7 @@ void Game::updateFrame(std::vector<aabb3f> &highlight_boxes,
 		Profiler graph
 	*/
 	if (flags.show_profiler_graph)
-		graph->draw(10, screensize.Y - 10, driver, glb_fontengine->getFont());
+		graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
 
 	/*
 		Damage flash
@@ -3955,7 +3954,7 @@ void Game::updateGui(float *statustext_time, const RunStats& stats,
 	if (guitext->isVisible()) {
 		core::rect<s32> rect(
 				5,              5,
-				screensize.X,   5 + glb_fontengine->getTextHeight()
+				screensize.X,   5 + g_fontengine->getTextHeight()
 		);
 		guitext->setRelativePosition(rect);
 	}
@@ -3973,8 +3972,8 @@ void Game::updateGui(float *statustext_time, const RunStats& stats,
 		guitext2->setVisible(true);
 
 		core::rect<s32> rect(
-				5,             5 + glb_fontengine->getTextHeight(),
-				screensize.X,  5 + glb_fontengine->getTextHeight() * 2
+				5,             5 + g_fontengine->getTextHeight(),
+				screensize.X,  5 + g_fontengine->getTextHeight() * 2
 		);
 		guitext2->setRelativePosition(rect);
 	} else {
diff --git a/src/guiChatConsole.cpp b/src/guiChatConsole.cpp
index c9f41c76f..62ce0d1e1 100644
--- a/src/guiChatConsole.cpp
+++ b/src/guiChatConsole.cpp
@@ -92,7 +92,7 @@ GUIChatConsole::GUIChatConsole(
 		m_background_color.setBlue(255);
 	}
 
-	m_font = glb_fontengine->getFont(FONT_SIZE_UNSPECIFIED, FM_Mono);
+	m_font = g_fontengine->getFont(FONT_SIZE_UNSPECIFIED, FM_Mono);
 
 	if (m_font == NULL)
 	{
diff --git a/src/guiEngine.cpp b/src/guiEngine.cpp
index e941003fa..814a7504a 100644
--- a/src/guiEngine.cpp
+++ b/src/guiEngine.cpp
@@ -174,7 +174,7 @@ GUIEngine::GUIEngine(	irr::IrrlichtDevice* dev,
 	std::wstring t = narrow_to_wide(std::string("Minetest ") +
 			minetest_version_hash);
 
-	core::rect<s32> rect(0, 0, glb_fontengine->getTextWidth(t), glb_fontengine->getTextHeight());
+	core::rect<s32> rect(0, 0, g_fontengine->getTextWidth(t), g_fontengine->getTextHeight());
 	rect += v2s32(4, 0);
 
 	m_irr_toplefttext =
@@ -260,14 +260,14 @@ void GUIEngine::run()
 
 	cloudInit();
 
-	unsigned int text_height = glb_fontengine->getTextHeight();
+	unsigned int text_height = g_fontengine->getTextHeight();
 
 	while(m_device->run() && (!m_startgame) && (!m_kill))
 	{
 		//check if we need to update the "upper left corner"-text
-		if (text_height != glb_fontengine->getTextHeight()) {
+		if (text_height != g_fontengine->getTextHeight()) {
 			updateTopLeftTextSize();
-			text_height = glb_fontengine->getTextHeight();
+			text_height = g_fontengine->getTextHeight();
 		}
 
 		driver->beginScene(true, true, video::SColor(255,140,186,250));
@@ -590,7 +590,7 @@ void GUIEngine::updateTopLeftTextSize()
 {
 	std::wstring text = m_irr_toplefttext->getText();
 
-	core::rect<s32> rect(0, 0, glb_fontengine->getTextWidth(text), glb_fontengine->getTextHeight());
+	core::rect<s32> rect(0, 0, g_fontengine->getTextWidth(text), g_fontengine->getTextHeight());
 		rect += v2s32(4, 0);
 
 	m_irr_toplefttext->remove();
diff --git a/src/guiFormSpecMenu.cpp b/src/guiFormSpecMenu.cpp
index c81238a65..0a7a82399 100644
--- a/src/guiFormSpecMenu.cpp
+++ b/src/guiFormSpecMenu.cpp
@@ -91,11 +91,11 @@ static gui::IGUIFont *select_font_by_line_height(double target_line_height)
 	unsigned int hireq = ceil(target_line_height
 				/ porting::getDisplayDensity()
 				/ g_settings->getFloat("gui_scaling"));
-	unsigned int lohgt = font_line_height(glb_fontengine->getFont(loreq));
-	unsigned int hihgt = font_line_height(glb_fontengine->getFont(hireq));
+	unsigned int lohgt = font_line_height(g_fontengine->getFont(loreq));
+	unsigned int hihgt = font_line_height(g_fontengine->getFont(hireq));
 	while(hireq - loreq > 1 && lohgt != hihgt) {
 		unsigned int nureq = (loreq + hireq) >> 1;
-		unsigned int nuhgt = font_line_height(glb_fontengine->getFont(nureq));
+		unsigned int nuhgt = font_line_height(g_fontengine->getFont(nureq));
 		if(nuhgt < target_line_height) {
 			loreq = nureq;
 			lohgt = nuhgt;
@@ -104,7 +104,7 @@ static gui::IGUIFont *select_font_by_line_height(double target_line_height)
 			hihgt = nuhgt;
 		}
 	}
-	return glb_fontengine->getFont(target_line_height - lohgt < hihgt - target_line_height ? loreq : hireq);
+	return g_fontengine->getFont(target_line_height - lohgt < hihgt - target_line_height ? loreq : hireq);
 }
 
 GUIFormSpecMenu::GUIFormSpecMenu(irr::IrrlichtDevice* dev,
@@ -1992,7 +1992,7 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
 		// Non-size[] form must consist only of text fields and
 		// implicit "Proceed" button.  Use default font, and
 		// temporary form size which will be recalculated below.
-		m_font = glb_fontengine->getFont();
+		m_font = g_fontengine->getFont();
 		m_btn_height = font_line_height(m_font) * 0.875;
 		DesiredRect = core::rect<s32>(
 			mydata.screensize.X/2 - 580/2,
diff --git a/src/hud.cpp b/src/hud.cpp
index 02071835f..eb2dca573 100644
--- a/src/hud.cpp
+++ b/src/hud.cpp
@@ -31,6 +31,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "localplayer.h"
 #include "camera.h"
 #include "porting.h"
+#include "fontengine.h"
 #include <IGUIStaticText.h>
 
 #ifdef HAVE_TOUCHSCREENGUI
@@ -38,14 +39,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #endif
 
 Hud::Hud(video::IVideoDriver *driver, scene::ISceneManager* smgr,
-		gui::IGUIEnvironment* guienv, gui::IGUIFont *font,
-		u32 text_height, IGameDef *gamedef,
-		LocalPlayer *player, Inventory *inventory) {
+		gui::IGUIEnvironment* guienv, IGameDef *gamedef, LocalPlayer *player,
+		Inventory *inventory) {
 	this->driver      = driver;
 	this->smgr        = smgr;
 	this->guienv      = guienv;
-	this->font        = font;
-	this->text_height = text_height;
 	this->gamedef     = gamedef;
 	this->player      = player;
 	this->inventory   = inventory;
@@ -156,7 +154,7 @@ void Hud::drawItem(const ItemStack &item, const core::rect<s32>& rect, bool sele
 		video::SColor bgcolor2(128, 0, 0, 0);
 		if (!use_hotbar_image)
 			driver->draw2DRectangle(bgcolor2, rect, NULL);
-		drawItemStack(driver, font, item, rect, NULL, gamedef);
+		drawItemStack(driver, g_fontengine->getFont(), item, rect, NULL, gamedef);
 	}
 
 //NOTE: selectitem = 0 -> no selected; selectitem 1-based
@@ -240,6 +238,8 @@ void Hud::drawItems(v2s32 upperleftpos, s32 itemcount, s32 offset,
 
 
 void Hud::drawLuaElements(v3s16 camera_offset) {
+	uint32_t text_height     = g_fontengine->getTextHeight();
+	irr::gui::IGUIFont* font = g_fontengine->getFont();
 	for (size_t i = 0; i != player->maxHudId(); i++) {
 		HudElement *e = player->getHud(i);
 		if (!e)
diff --git a/src/hud.h b/src/hud.h
index 9969fce73..2e6838eb1 100644
--- a/src/hud.h
+++ b/src/hud.h
@@ -103,8 +103,6 @@ public:
 	video::IVideoDriver *driver;
 	scene::ISceneManager* smgr;
 	gui::IGUIEnvironment *guienv;
-	gui::IGUIFont *font;
-	u32 text_height;
 	IGameDef *gamedef;
 	LocalPlayer *player;
 	Inventory *inventory;
@@ -120,9 +118,8 @@ public:
 	v3s16 camera_offset;
 	
 	Hud(video::IVideoDriver *driver,scene::ISceneManager* smgr,
-		gui::IGUIEnvironment* guienv, gui::IGUIFont *font,
-		u32 text_height, IGameDef *gamedef,
-		LocalPlayer *player, Inventory *inventory);
+		gui::IGUIEnvironment* guienv, IGameDef *gamedef, LocalPlayer *player,
+		Inventory *inventory);
 	
 	void drawHotbar(u16 playeritem);
 	void resizeHotbar();
diff --git a/src/main.cpp b/src/main.cpp
index 7141bec66..d9fa8faa2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1569,8 +1569,8 @@ ClientLauncher::~ClientLauncher()
 	if (input)
 		delete input;
 
-	if (glb_fontengine)
-		delete glb_fontengine;
+	if (g_fontengine)
+		delete g_fontengine;
 
 	if (device)
 		device->drop();
@@ -1630,8 +1630,8 @@ bool ClientLauncher::run(GameParams &game_params, const Settings &cmd_args)
 	skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255, 70, 100, 50));
 	skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255, 255, 255, 255));
 
-	glb_fontengine = new FontEngine(g_settings, guienv);
-	assert(glb_fontengine != NULL);
+	g_fontengine = new FontEngine(g_settings, guienv);
+	assert(g_fontengine != NULL);
 
 #if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
 	// Irrlicht 1.8 input colours