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path: root/builtin/mainmenu/tab_about.lua
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--Minetest
--Copyright (C) 2013 sapier
--
--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.

--------------------------------------------------------------------------------

local core_developers = {
	"Perttu Ahola (celeron55) <celeron55@gmail.com>",
	"sfan5 <sfan5@live.de>",
	"Nathanaël Courant (Nore/Ekdohibs) <nore@mesecons.net>",
	"Loic Blot (nerzhul/nrz) <loic.blot@unix-experience.fr>",
	"paramat",
	"Andrew Ward (rubenwardy) <rw@rubenwardy.com>",
	"Krock/SmallJoker <mk939@ymail.com>",
	"Lars Hofhansl <larsh@apache.org>",
	"Pierre-Yves Rollo <dev@pyrollo.com>",
	"v-rob <robinsonvincent89@gmail.com>",
	"hecks",
	"Hugues Ross <hugues.ross@gmail.com>",
	"Dmitry Kostenko (x2048) <codeforsmile@gmail.com>",
}

-- For updating active/previous contributors, see the script in ./util/gather_git_credits.py

local active_contributors = {
	"Wuzzy [I18n for builtin, liquid features, fixes]",
	"Zughy [Various features and fixes]",
	"numzero [Graphics and rendering]",
	"Desour [Internal fixes, Clipboard on X11]",
	"Lars Müller [Various internal fixes]",
	"JosiahWI [CMake, cleanups and fixes]",
	"HybridDog [builtin, documentation]",
	"Jude Melton-Houghton [Database implementation]",
	"savilli [Fixes]",
	"Liso [Shadow Mapping]",
	"MoNTE48 [Build fix]",
	"Jean-Patrick Guerrero (kilbith) [Fixes]",
	"ROllerozxa [Code cleanups]",
	"Lejo [bitop library integration]",
	"LoneWolfHT [Build fixes]",
	"NeroBurner [Joystick]",
	"Elias Fleckenstein [Internal fixes]",
	"David CARLIER [Unix & Haiku build fixes]",
	"pecksin [Clickable web links]",
	"srfqi [Android & rendering fixes]",
	"EvidenceB [Formspec]",
}

local previous_core_developers = {
	"BlockMen",
	"Maciej Kasatkin (RealBadAngel) [RIP]",
	"Lisa Milne (darkrose) <lisa@ltmnet.com>",
	"proller",
	"Ilya Zhuravlev (xyz) <xyz@minetest.net>",
	"PilzAdam <pilzadam@minetest.net>",
	"est31 <MTest31@outlook.com>",
	"kahrl <kahrl@gmx.net>",
	"Ryan Kwolek (kwolekr) <kwolekr@minetest.net>",
	"sapier",
	"Zeno",
	"ShadowNinja <shadowninja@minetest.net>",
	"Auke Kok (sofar) <sofar@foo-projects.org>",
	"Aaron Suen <warr1024@gmail.com>",
}

local previous_contributors = {
	"Nils Dagsson Moskopp (erlehmann) <nils@dieweltistgarnichtso.net> [Minetest Logo]",
	"red-001 <red-001@outlook.ie>",
	"Giuseppe Bilotta",
	"Dániel Juhász (juhdanad) <juhdanad@gmail.com>",
	"MirceaKitsune <mirceakitsune@gmail.com>",
	"Constantin Wenger (SpeedProg)",
	"Ciaran Gultnieks (CiaranG)",
	"Paul Ouellette (pauloue)",
	"stujones11",
	"Rogier <rogier777@gmail.com>",
	"Gregory Currie (gregorycu)",
	"JacobF",
	"Jeija <jeija@mesecons.net> [HTTP, particles]",
}

local function buildCreditList(source)
	local ret = {}
	for i = 1, #source do
		ret[i] = core.formspec_escape(source[i])
	end
	return table.concat(ret, ",,")
end

return {
	name = "about",
	caption = fgettext("About"),
	cbf_formspec = function(tabview, name, tabdata)
		local logofile = defaulttexturedir .. "logo.png"
		local version = core.get_version()
		local fs = "image[0.75,0.5;2.2,2.2;" .. core.formspec_escape(logofile) .. "]" ..
			"style[label_button;border=false]" ..
			"button[0.5,2;2.5,2;label_button;" .. version.project .. " " .. version.string .. "]" ..
			"button[0.75,2.75;2,2;homepage;minetest.net]" ..
			"tablecolumns[color;text]" ..
			"tableoptions[background=#00000000;highlight=#00000000;border=false]" ..
			"table[3.5,-0.25;8.5,6.05;list_credits;" ..
			"#FFFF00," .. fgettext("Core Developers") .. ",," ..
			buildCreditList(core_developers) .. ",,," ..
			"#FFFF00," .. fgettext("Active Contributors") .. ",," ..
			buildCreditList(active_contributors) .. ",,," ..
			"#FFFF00," .. fgettext("Previous Core Developers") ..",," ..
			buildCreditList(previous_core_developers) .. ",,," ..
			"#FFFF00," .. fgettext("Previous Contributors") .. ",," ..
			buildCreditList(previous_contributors) .. "," ..
			";1]"

		-- Render information
		fs = fs .. "label[0.75,4.9;" ..
			fgettext("Active renderer:") .. "\n" ..
			core.formspec_escape(core.get_screen_info().render_info) .. "]"

		if PLATFORM ~= "Android" then
			fs = fs .. "tooltip[userdata;" ..
					fgettext("Opens the directory that contains user-provided worlds, games, mods,\n" ..
							"and texture packs in a file manager / explorer.") .. "]"
			fs = fs .. "button[0,4;3.5,1;userdata;" .. fgettext("Open User Data Directory") .. "]"
		end

		return fs
	end,
	cbf_button_handler = function(this, fields, name, tabdata)
		if fields.homepage then
			core.open_url("https://www.minetest.net")
		end

		if fields.userdata then
			core.open_dir(core.get_user_path())
		end
	end,
}
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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2010-2013 blue42u, Jonathon Anderson <anderjon@umail.iu.edu>
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.
*/

#include "client/hud.h"
#include <string>
#include <iostream>
#include <cmath>
#include "settings.h"
#include "util/numeric.h"
#include "log.h"
#include "client.h"
#include "inventory.h"
#include "shader.h"
#include "client/tile.h"
#include "localplayer.h"
#include "camera.h"
#include "porting.h"
#include "fontengine.h"
#include "guiscalingfilter.h"
#include "mesh.h"
#include "wieldmesh.h"
#include "client/renderingengine.h"
#include "client/minimap.h"

#ifdef HAVE_TOUCHSCREENGUI
#include "gui/touchscreengui.h"
#endif

#define OBJECT_CROSSHAIR_LINE_SIZE 8
#define CROSSHAIR_LINE_SIZE 10

Hud::Hud(Client *client, LocalPlayer *player,
		Inventory *inventory)
{
	driver            = RenderingEngine::get_video_driver();
	this->client      = client;
	this->player      = player;
	this->inventory   = inventory;

	m_hud_scaling      = g_settings->getFloat("hud_scaling");
	m_scale_factor     = m_hud_scaling * RenderingEngine::getDisplayDensity();
	m_hotbar_imagesize = std::floor(HOTBAR_IMAGE_SIZE *
		RenderingEngine::getDisplayDensity() + 0.5f);
	m_hotbar_imagesize *= m_hud_scaling;
	m_padding = m_hotbar_imagesize / 12;

	for (auto &hbar_color : hbar_colors)
		hbar_color = video::SColor(255, 255, 255, 255);

	tsrc = client->getTextureSource();

	v3f crosshair_color = g_settings->getV3F("crosshair_color");
	u32 cross_r = rangelim(myround(crosshair_color.X), 0, 255);
	u32 cross_g = rangelim(myround(crosshair_color.Y), 0, 255);
	u32 cross_b = rangelim(myround(crosshair_color.Z), 0, 255);
	u32 cross_a = rangelim(g_settings->getS32("crosshair_alpha"), 0, 255);
	crosshair_argb = video::SColor(cross_a, cross_r, cross_g, cross_b);

	v3f selectionbox_color = g_settings->getV3F("selectionbox_color");
	u32 sbox_r = rangelim(myround(selectionbox_color.X), 0, 255);
	u32 sbox_g = rangelim(myround(selectionbox_color.Y), 0, 255);
	u32 sbox_b = rangelim(myround(selectionbox_color.Z), 0, 255);
	selectionbox_argb = video::SColor(255, sbox_r, sbox_g, sbox_b);

	use_crosshair_image = tsrc->isKnownSourceImage("crosshair.png");
	use_object_crosshair_image = tsrc->isKnownSourceImage("object_crosshair.png");

	m_selection_boxes.clear();
	m_halo_boxes.clear();

	std::string mode_setting = g_settings->get("node_highlighting");

	if (mode_setting == "halo") {
		m_mode = HIGHLIGHT_HALO;
	} else if (mode_setting == "none") {
		m_mode = HIGHLIGHT_NONE;
	} else {
		m_mode = HIGHLIGHT_BOX;
	}

	m_selection_material.Lighting = false;

	if (g_settings->getBool("enable_shaders")) {
		IShaderSource *shdrsrc = client->getShaderSource();
		u16 shader_id = shdrsrc->getShader(
			m_mode == HIGHLIGHT_HALO ? "selection_shader" : "default_shader", TILE_MATERIAL_ALPHA);
		m_selection_material.MaterialType = shdrsrc->getShaderInfo(shader_id).material;
	} else {
		m_selection_material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
	}

	if (m_mode == HIGHLIGHT_BOX) {
		m_selection_material.Thickness =
			rangelim(g_settings->getS16("selectionbox_width"), 1, 5);
	} else if (m_mode == HIGHLIGHT_HALO) {
		m_selection_material.setTexture(0, tsrc->getTextureForMesh("halo.png"));
		m_selection_material.setFlag(video::EMF_BACK_FACE_CULLING, true);
	} else {
		m_selection_material.MaterialType = video::EMT_SOLID;
	}

	// Prepare mesh for compass drawing
	m_rotation_mesh_buffer.Vertices.set_used(4);
	m_rotation_mesh_buffer.Indices.set_used(6);

	video::SColor white(255, 255, 255, 255);
	v3f normal(0.f, 0.f, 1.f);

	m_rotation_mesh_buffer.Vertices[0] = video::S3DVertex(v3f(-1.f, -1.f, 0.f), normal, white, v2f(0.f, 1.f));
	m_rotation_mesh_buffer.Vertices[1] = video::S3DVertex(v3f(-1.f,  1.f, 0.f), normal, white, v2f(0.f, 0.f));
	m_rotation_mesh_buffer.Vertices[2] = video::S3DVertex(v3f( 1.f,  1.f, 0.f), normal, white, v2f(1.f, 0.f));
	m_rotation_mesh_buffer.Vertices[3] = video::S3DVertex(v3f( 1.f, -1.f, 0.f), normal, white, v2f(1.f, 1.f));

	m_rotation_mesh_buffer.Indices[0] = 0;
	m_rotation_mesh_buffer.Indices[1] = 1;
	m_rotation_mesh_buffer.Indices[2] = 2;
	m_rotation_mesh_buffer.Indices[3] = 2;
	m_rotation_mesh_buffer.Indices[4] = 3;
	m_rotation_mesh_buffer.Indices[5] = 0;

	m_rotation_mesh_buffer.getMaterial().Lighting = false;
	m_rotation_mesh_buffer.getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
}

Hud::~Hud()
{
	if (m_selection_mesh)
		m_selection_mesh->drop();
}

void Hud::drawItem(const ItemStack &item, const core::rect<s32>& rect,
		bool selected)
{
	if (selected) {
		/* draw hihlighting around selected item */
		if (use_hotbar_selected_image) {
			core::rect<s32> imgrect2 = rect;
			imgrect2.UpperLeftCorner.X  -= (m_padding*2);
			imgrect2.UpperLeftCorner.Y  -= (m_padding*2);
			imgrect2.LowerRightCorner.X += (m_padding*2);
			imgrect2.LowerRightCorner.Y += (m_padding*2);
				video::ITexture *texture = tsrc->getTexture(hotbar_selected_image);
				core::dimension2di imgsize(texture->getOriginalSize());
			draw2DImageFilterScaled(driver, texture, imgrect2,
					core::rect<s32>(core::position2d<s32>(0,0), imgsize),
					NULL, hbar_colors, true);
		} else {
			video::SColor c_outside(255,255,0,0);
			//video::SColor c_outside(255,0,0,0);
			//video::SColor c_inside(255,192,192,192);
			s32 x1 = rect.UpperLeftCorner.X;
			s32 y1 = rect.UpperLeftCorner.Y;
			s32 x2 = rect.LowerRightCorner.X;
			s32 y2 = rect.LowerRightCorner.Y;
			// Black base borders
			driver->draw2DRectangle(c_outside,
				core::rect<s32>(
				v2s32(x1 - m_padding, y1 - m_padding),
				v2s32(x2 + m_padding, y1)
				), NULL);
			driver->draw2DRectangle(c_outside,
				core::rect<s32>(
				v2s32(x1 - m_padding, y2),
				v2s32(x2 + m_padding, y2 + m_padding)
				), NULL);
			driver->draw2DRectangle(c_outside,
				core::rect<s32>(
				v2s32(x1 - m_padding, y1),
					v2s32(x1, y2)
				), NULL);
			driver->draw2DRectangle(c_outside,
				core::rect<s32>(
					v2s32(x2, y1),
				v2s32(x2 + m_padding, y2)
				), NULL);
			/*// Light inside borders
			driver->draw2DRectangle(c_inside,
				core::rect<s32>(
					v2s32(x1 - padding/2, y1 - padding/2),
					v2s32(x2 + padding/2, y1)
				), NULL);
			driver->draw2DRectangle(c_inside,
				core::rect<s32>(