Split HUD code off to hud.cpp, make into a class, extensive Lua HUD modification

src/hud.h

@@ -0,0 +1,116 @@
+/*
+Minetest
+Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef HUD_HEADER
+#define HUD_HEADER
+
+#include "irrlichttypes_extrabloated.h"
+
+#define HUD_DIR_LEFT_RIGHT 0
+#define HUD_DIR_RIGHT_LEFT 1
+#define HUD_DIR_TOP_BOTTOM 2
+#define HUD_DIR_BOTTOM_TOP 3
+
+class Player;
+
+enum HudElementType {
+	HUD_ELEM_IMAGE     = 0,
+	HUD_ELEM_TEXT      = 1,
+	HUD_ELEM_STATBAR   = 2,
+	HUD_ELEM_INVENTORY = 3
+};
+
+enum HudElementStat {
+	HUD_STAT_POS,
+	HUD_STAT_NAME,
+	HUD_STAT_SCALE,
+	HUD_STAT_TEXT,
+	HUD_STAT_NUMBER,
+	HUD_STAT_ITEM,
+	HUD_STAT_DIR
+};
+
+struct HudElement {
+	HudElementType type;
+	v2f pos;
+	std::string name;
+	v2f scale;
+	std::string text;
+	u32 number;
+	u32 item;
+	u32 dir;
+};
+
+
+inline u32 hud_get_free_id(Player *player) {
+	size_t size = player->hud.size();
+	for (size_t i = 0; i != size; i++) {
+		if (!player->hud[i])
+			return i;
+	}
+	return size;
+}
+
+#ifndef SERVER
+
+#include <deque>
+
+#include <IGUIFont.h>
+
+#include "gamedef.h"
+#include "inventory.h"
+#include "localplayer.h"
+
+class Hud {
+public:
+	video::IVideoDriver *driver;
+	gui::IGUIEnvironment *guienv;
+	gui::IGUIFont *font;
+	u32 text_height;
+	IGameDef *gamedef;
+	LocalPlayer *player;
+	Inventory *inventory;
+	
+	v2u32 screensize;
+	v2s32 displaycenter;
+	s32 hotbar_imagesize;
+	s32 hotbar_itemcount;
+	
+	video::SColor crosshair_argb;
+	video::SColor selectionbox_argb;
+	
+	Hud(video::IVideoDriver *driver, gui::IGUIEnvironment* guienv,
+		gui::IGUIFont *font, u32 text_height, IGameDef *gamedef,
+		LocalPlayer *player, Inventory *inventory);
+	
+	void drawItem(v2s32 upperleftpos, s32 imgsize, s32 itemcount,
+		InventoryList *mainlist, u16 selectitem, u16 direction);
+	void drawLuaElements();
+	void drawStatbar(v2s32 upperleftpos, std::string texture, s32 count);
+	
+	void drawHotbar(v2s32 centerlowerpos, s32 halfheartcount, u16 playeritem);
+	void resizeHotbar();
+	
+	void drawCrosshair();
+	void drawSelectionBoxes(std::vector<aabb3f> &hilightboxes);
+};
+
+#endif
+
+#endif