index : minetest.git	gpcf lifo-fixes release
	modified minetest for gpcfs purposes	gpcf

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path: root/src

	Commit message (Expand)	Author	Age
*	Fix sending color codes to clients that don't support them. (#5950)	red-001	2018-06-03
*	Fix segmentation fault with tool capabilities (#5899)	ShadowNinja	2018-06-03
*	Properly remove SAO when worldedges are overtaken (#5889)	Loïc Blot	2017-06-03
*	Tooltips: Unify the tooltip[] and list[] description tooltip display function...	SmallJoker	2017-06-03
*	Do not shade inventory items with textures (#5869)	Dániel Juhász	2017-06-01
*	Show singlenode mapgen to menu (#5868)	Loïc Blot	2017-06-01
*	Fix dropdown menu selection (#5847)	red-001	2017-06-01
*	Nametag: remove colour codes before calculating alignment. (#5862)	red-001	2017-05-31
*	Don't add damage flash while punch texture modifier is active (#5767)	stujones11	2017-05-29
*	guiVolumeChange: prevent wrong value position by using 1 label instead of 2 (...	Loïc Blot	2017-05-28
*	Mapgen files: Update and correct copyright credits	paramat	2017-05-26
*	Time: Change old `u32` timestamps to 64-bit (#5818)	SmallJoker	2017-05-26
*	Enhance ABM performance a little bit by removing two std::set copy (#5815)	Loïc Blot	2017-05-25
*	Mgv6 mudflow: Remove decoration if 'dirt with grass' below flows away (#5798)	Paramat	2017-05-25
*	Close formspec on client shutdown. (#5811)	red-001	2017-05-25
*	Revert 1469424 and fix wrong char position when doing mouse selection on intl...	Loïc Blot	2017-05-24
*	Fix wrong return value in get_sky Lua call since ad9fcf859ec2347325830e09504a...	Loic Blot	2017-05-23
*	Client crashfix: load meta after digging (#5801)	Paramat	2017-05-23
*	LINT fix & check all files with clang-format	Loic Blot	2017-05-22
*	[CSM] Add send_chat_message and run_server_chatcommand API functions (#5747)	Pierre-Adrien Langrognet	2017-05-21
*	Fix LINT broken by dfa0c15ce045705f05487d623dc7beca6c945b4b	Loic Blot	2017-05-21
*	[CSM] Add function to get the definition of items (#5732)	bigfoot547	2017-05-21
*	Prevent fall damage from overflowing when falling from a large height. (#5791)	red-001	2017-05-21
*	Real control fix (#5787)	Loïc Blot	2017-05-20
*	Fix instant digging (#5785)	you	2017-05-20
*	Fix wchar_t type on 605599b6f150b89ba6539c4d088231b326adcb48	Loic Blot	2017-05-20
*	Particle spawner: Do not spawn particles distant from player (#5766)	Paramat	2017-05-20
*	[CSM] Correct the log destination of print() (#5784)	SmallJoker	2017-05-20
*	Fix CSM crash (#5779)	red-001	2017-05-20
*	chat.cpp fix wchar_t isspace -> iswspace & wrong isspace on an index (#5783)	Loïc Blot	2017-05-20
*	Cleanup in content_mapblock (#5746)	numberZero	2017-05-20
*	Improve password change menu (#5757)	red-001	2017-05-20
*	Fix shift key producing space in console (#5777)	Craig Davison	2017-05-20
*	this might fix #5661, needs testing (#5775)	red-001	2017-05-20
*	Fix input regression introduced by a4a377ecad6f1732cc54e7ac329fdef9949f9bf7	Loic Blot	2017-05-20
*	Fix mem leak in mesh cache (#5781)	Zeno-	2017-05-20
*	Various code cleanup & little performance improvement on HTTP download (#5772)	Loïc Blot	2017-05-20
*	Do not create dummy normalmaps (#4180)	you	2017-05-19
*	Fix textarea bug: clicking right of the end of a line caused the cursor to be...	you	2017-05-19
*	Fix alpha for liquid nodes (#5494)	Dániel Juhász	2017-05-19
*	Mainmenu: Fix issues while trying to enable all mods (#5770)	SmallJoker	2017-05-19
*	When minimap is disabled in configuration, really disable it (#5771)	Loïc Blot	2017-05-19
*	Fix a warning pointed by GCC 7.1	Loic Blot	2017-05-18
*	Particles: Do not send single particles to distant clients (#5760)	Paramat	2017-05-17
*	Caverns: Remove unnecessary liquid excavation	paramat	2017-05-16
*	Fix a memleak pointed by @Zeno- in MeshUpdateQueue	Loic Blot	2017-05-16
*	Fix uninitalised variable in event.cpp (#5764)	Zeno-	2017-05-15
*	Add option to use neither node highlighting nor outlining	ezhh	2017-05-15
*	No cursor lock when window inactive (#5754)	SmallJoker	2017-05-13
*	Limit properly the sound setting at updateSound runtime step (#5753)	Loïc Blot	2017-05-13

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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-12 19:02:07 +0000

/*
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.
*/

#include "guiEngine.h"

#include <fstream>
#include <IGUIStaticText.h>
#include <ICameraSceneNode.h>
#include "scripting_mainmenu.h"
#include "util/numeric.h"
#include "config.h"
#include "version.h"
#include "porting.h"
#include "filesys.h"
#include "settings.h"
#include "guiMainMenu.h"
#include "sound.h"
#include "sound_openal.h"
#include "clouds.h"
#include "httpfetch.h"
#include "log.h"
#include "fontengine.h"
#include "guiscalingfilter.h"
#include "irrlicht_changes/static_text.h"

#ifdef __ANDROID__
#include "client/tile.h"
#include <GLES/gl.h>
#endif


/******************************************************************************/
/** TextDestGuiEngine                                                         */
/******************************************************************************/
TextDestGuiEngine::TextDestGuiEngine(GUIEngine* engine)
{
	m_engine = engine;
}

/******************************************************************************/
void TextDestGuiEngine::gotText(const StringMap &fields)
{
	m_engine->getScriptIface()->handleMainMenuButtons(fields);
}

/******************************************************************************/
void TextDestGuiEngine::gotText(const std::wstring &text)
{
	m_engine->getScriptIface()->handleMainMenuEvent(wide_to_utf8(text));
}

/******************************************************************************/
/** MenuTextureSource                                                         */
/******************************************************************************/
MenuTextureSource::MenuTextureSource(video::IVideoDriver *driver)
{
	m_driver = driver;
}

/******************************************************************************/
MenuTextureSource::~MenuTextureSource()
{
	for (std::set<std::string>::iterator it = m_to_delete.begin();
			it != m_to_delete.end(); ++it) {
		const char *tname = (*it).c_str();
		video::ITexture *texture = m_driver->getTexture(tname);
		m_driver->removeTexture(texture);
	}
}

/******************************************************************************/
video::ITexture* MenuTextureSource::getTexture(const std::string &name, u32 *id)
{
	if(id)
		*id = 0;
	if(name.empty())
		return NULL;
	m_to_delete.insert(name);

#ifdef __ANDROID__
	video::IImage *image = m_driver->createImageFromFile(name.c_str());
	if (image) {
		image = Align2Npot2(image, m_driver);
		video::ITexture* retval = m_driver->addTexture(name.c_str(), image);
		image->drop();
		return retval;
	}
#endif
	return m_driver->getTexture(name.c_str());
}

/******************************************************************************/
/** MenuMusicFetcher                                                          */
/******************************************************************************/
void MenuMusicFetcher::fetchSounds(const std::string &name,
			std::set<std::string> &dst_paths,
			std::set<std::string> &dst_datas)
{
	if(m_fetched.count(name))
		return;
	m_fetched.insert(name);
	std::string base;
	base = porting::path_share + DIR_DELIM + "sounds";
	dst_paths.insert(base + DIR_DELIM + name + ".ogg");
	int i;
	for(i=0; i<10; i++)
		dst_paths.insert(base + DIR_DELIM + name + "."+itos(i)+".ogg");
	base = porting::path_user + DIR_DELIM + "sounds";
	dst_paths.insert(base + DIR_DELIM + name + ".ogg");
	for(i=0; i<10; i++)
		dst_paths.insert(base + DIR_DELIM + name + "."+itos(i)+".ogg");
}

/******************************************************************************/
/** GUIEngine                                                                 */
/******************************************************************************/
GUIEngine::GUIEngine(	irr::IrrlichtDevice* dev,
						JoystickController *joystick,
						gui::IGUIElement* parent,
						IMenuManager *menumgr,
						scene::ISceneManager* smgr,
						MainMenuData* data,
						bool& kill) :
	m_device(dev),
	m_parent(parent),
	m_menumanager(menumgr),
	m_smgr(smgr),
	m_data(data),
	m_texture_source(NULL),
	m_sound_manager(NULL),
	m_formspecgui(0),
	m_buttonhandler(0),
	m_menu(0),
	m_kill(kill),
	m_startgame(false),
	m_script(0),
	m_scriptdir(""),
	m_irr_toplefttext(0),
	m_clouds_enabled(true),
	m_cloud()
{
	//initialize texture pointers
	for (unsigned int i = 0; i < TEX_LAYER_MAX; i++) {
		m_textures[i].texture = NULL;
	}
	// is deleted by guiformspec!
	m_buttonhandler = new TextDestGuiEngine(this);

	//create texture source
	m_texture_source = new MenuTextureSource(m_device->getVideoDriver());

	//create soundmanager
	MenuMusicFetcher soundfetcher;
#if USE_SOUND
	m_sound_manager = createOpenALSoundManager(&soundfetcher);
#endif
	if(!m_sound_manager)
		m_sound_manager = &dummySoundManager;

	//create topleft header
	m_toplefttext = L"";

	core::rect<s32> rect(0, 0, g_fontengine->getTextWidth(m_toplefttext.c_str()),
		g_fontengine->getTextHeight());
	rect += v2s32(4, 0);

	m_irr_toplefttext =
		addStaticText(m_device->getGUIEnvironment(), m_toplefttext,
			rect, false, true, 0, -1);

	//create formspecsource
	m_formspecgui = new FormspecFormSource("");

	/* Create menu */
	m_menu = new GUIFormSpecMenu(m_device,
			joystick,
			m_parent,
			-1,
			m_menumanager,
			NULL /* &client */,
			m_texture_source,
			m_formspecgui,
			m_buttonhandler,
			false);

	m_menu->allowClose(false);
	m_menu->lockSize(true,v2u32(800,600));

	// Initialize scripting

	infostream << "GUIEngine: Initializing Lua" << std::endl;

	m_script = new MainMenuScripting(this);

	try {
		m_script->setMainMenuData(&m_data->script_data);
		m_data->script_data.errormessage = "";

		if (!loadMainMenuScript()) {
			errorstream << "No future without main menu!" << std::endl;
			abort();
		}

		run();
	} catch (LuaError &e) {
		errorstream << "Main menu error: " << e.what() << std::endl;
		m_data->script_data.errormessage = e.what();
	}

	m_menu->quitMenu();
	m_menu->drop();
	m_menu = NULL;
}

/******************************************************************************/
bool GUIEngine::loadMainMenuScript()
{
	// Set main menu path (for core.get_mainmenu_path())
	m_scriptdir = g_settings->get("main_menu_path");
	if (m_scriptdir.empty()) {
		m_scriptdir = porting::path_share + DIR_DELIM + "builtin" + DIR_DELIM + "mainmenu";
	}

	// Load builtin (which will load the main menu script)
	std::string script = porting::path_share + DIR_DELIM "builtin" + DIR_DELIM "init.lua";
	try {
		m_script->loadScript(script);
		// Menu script loaded
		return true;
	} catch (const ModError &e) {
		errorstream << "GUIEngine: execution of menu script failed: "
			<< e.what() << std::endl;
	}

	return false;
}

/******************************************************************************/
void GUIEngine::run()
{
	// Always create clouds because they may or may not be
	// needed based on the game selected
	video::IVideoDriver* driver = m_device->getVideoDriver();

	cloudInit();

	unsigned int text_height = g_fontengine->getTextHeight();

	irr::core::dimension2d<u32> previous_screen_size(g_settings->getU16("screenW"),
		g_settings->getU16("screenH"));

	while (m_device->run() && (!m_startgame) && (!m_kill)) {

		const irr::core::dimension2d<u32> &current_screen_size =
			m_device->getVideoDriver()->getScreenSize();
		// Verify if window size has changed and save it if it's the case
		// Ensure evaluating settings->getBool after verifying screensize
		// First condition is cheaper
		if (previous_screen_size != current_screen_size &&
				current_screen_size != irr::core::dimension2d<u32>(0,0) &&
				g_settings->getBool("autosave_screensize")) {
			g_settings->setU16("screenW", current_screen_size.Width);
			g_settings->setU16("screenH", current_screen_size.Height);
			previous_screen_size = current_screen_size;
		}

		//check if we need to update the "upper left corner"-text
		if (text_height != g_fontengine->getTextHeight()) {
			updateTopLeftTextSize();
			text_height = g_fontengine->getTextHeight();
		}

		driver->beginScene(true, true, video::SColor(255,140,186,250));

		if (m_clouds_enabled)
		{
			cloudPreProcess();
			drawOverlay(driver);
		}
		else
			drawBackground(driver);

		drawHeader(driver);
		drawFooter(driver);

		m_device->getGUIEnvironment()->drawAll();

		driver->endScene();

		if (m_clouds_enabled)
			cloudPostProcess();
		else
			sleep_ms(25);

		m_script->step();

#ifdef __ANDROID__
		m_menu->getAndroidUIInput();
#endif
	}
}

/******************************************************************************/
GUIEngine::~GUIEngine()
{
	video::IVideoDriver* driver = m_device->getVideoDriver();
	FATAL_ERROR_IF(driver == 0, "Could not get video driver");

	if(m_sound_manager != &dummySoundManager){
		delete m_sound_manager;
		m_sound_manager = NULL;
	}

	infostream<<"GUIEngine: Deinitializing scripting"<<std::endl;
	delete m_script;

	m_irr_toplefttext->setText(L"");

	//clean up texture pointers
	for (unsigned int i = 0; i < TEX_LAYER_MAX; i++) {
		if (m_textures[i].texture != NULL)
			driver->removeTexture(m_textures[i].texture);
	}

	delete m_texture_source;

	if (m_cloud.clouds)
		m_cloud.clouds->drop();
}

/******************************************************************************/
void GUIEngine::cloudInit()
{
	m_cloud.clouds = new Clouds(m_smgr->getRootSceneNode(),
			m_smgr, -1, rand(), 100);
	m_cloud.clouds->update(v2f(0, 0), video::SColor(255,200,200,255));

	m_cloud.camera = m_smgr->addCameraSceneNode(0,
				v3f(0,0,0), v3f(0, 60, 100));
	m_cloud.camera->setFarValue(10000);

	m_cloud.lasttime = m_device->getTimer()->getTime();
}

/******************************************************************************/
void GUIEngine::cloudPreProcess()
{
	u32 time = m_device->getTimer()->getTime();

	if(time > m_cloud.lasttime)
		m_cloud.dtime = (time - m_cloud.lasttime) / 1000.0;
	else
		m_cloud.dtime = 0;

	m_cloud.lasttime = time;

	m_cloud.clouds->step(m_cloud.dtime*3);
	m_cloud.clouds->render();
	m_smgr->drawAll();
}

/******************************************************************************/
void GUIEngine::cloudPostProcess()
{
	float fps_max = g_settings->getFloat("pause_fps_max");
	// Time of frame without fps limit
	u32 busytime_u32;

	// not using getRealTime is necessary for wine
	u32 time = m_device->getTimer()->getTime();
	if(time > m_cloud.lasttime)
		busytime_u32 = time - m_cloud.lasttime;
	else
		busytime_u32 = 0;

	// FPS limiter
	u32 frametime_min = 1000./fps_max;

	if(busytime_u32 < frametime_min) {
		u32 sleeptime = frametime_min - busytime_u32;
		m_device->sleep(sleeptime);
	}
}

/******************************************************************************/
void GUIEngine::drawBackground(video::IVideoDriver* driver)
{
	v2u32 screensize = driver->getScreenSize();

	video::ITexture* texture = m_textures[TEX_LAYER_BACKGROUND].texture;

	/* If no texture, draw background of solid color */
	if(!texture){
		video::SColor color(255,80,58,37);
		core::rect<s32> rect(0, 0, screensize.X, screensize.Y);
		driver->draw2DRectangle(color, rect, NULL);
		return;
	}

	v2u32 sourcesize = texture->getOriginalSize();

	if (m_textures[TEX_LAYER_BACKGROUND].tile)
	{
		v2u32 tilesize(
				MYMAX(sourcesize.X,m_textures[TEX_LAYER_BACKGROUND].minsize),
				MYMAX(sourcesize.Y,m_textures[TEX_LAYER_BACKGROUND].minsize));
		for (unsigned int x = 0; x < screensize.X; x += tilesize.X )
		{
			for (unsigned int y = 0; y < screensize.Y; y += tilesize.Y )
			{
				draw2DImageFilterScaled(driver, texture,
					core::rect<s32>(x, y, x+tilesize.X, y+tilesize.Y),
					core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
					NULL, NULL, true);
			}
		}
		return;
	}

	/* Draw background texture */
	draw2DImageFilterScaled(driver, texture,
		core::rect<s32>(0, 0, screensize.X, screensize.Y),
		core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
		NULL, NULL, true);
}

/******************************************************************************/
void GUIEngine::drawOverlay(video::IVideoDriver* driver)
{
	v2u32 screensize = driver->getScreenSize();

	video::ITexture* texture = m_textures[TEX_LAYER_OVERLAY].texture;

	/* If no texture, draw nothing */
	if(!texture)
		return;

	/* Draw background texture */
	v2u32 sourcesize = texture->getOriginalSize();
	draw2DImageFilterScaled(driver, texture,
		core::rect<s32>(0, 0, screensize.X, screensize.Y),
		core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
		NULL, NULL, true);
}

/******************************************************************************/
void GUIEngine::drawHeader(video::IVideoDriver* driver)
{
	core::dimension2d<u32> screensize = driver->getScreenSize();

	video::ITexture* texture = m_textures[TEX_LAYER_HEADER].texture;

	/* If no texture, draw nothing */
	if(!texture)
		return;

	f32 mult = (((f32)screensize.Width / 2.0)) /
			((f32)texture->getOriginalSize().Width);

	v2s32 splashsize(((f32)texture->getOriginalSize().Width) * mult,
			((f32)texture->getOriginalSize().Height) * mult);

	// Don't draw the header if there isn't enough room
	s32 free_space = (((s32)screensize.Height)-320)/2;

	if (free_space > splashsize.Y) {
		core::rect<s32> splashrect(0, 0, splashsize.X, splashsize.Y);
		splashrect += v2s32((screensize.Width/2)-(splashsize.X/2),
				((free_space/2)-splashsize.Y/2)+10);

	video::SColor bgcolor(255,50,50,50);

	draw2DImageFilterScaled(driver, texture, splashrect,
		core::rect<s32>(core::position2d<s32>(0,0),
		core::dimension2di(texture->getOriginalSize())),
		NULL, NULL, true);
	}
}

/******************************************************************************/
void GUIEngine::drawFooter(video::IVideoDriver* driver)
{
	core::dimension2d<u32> screensize = driver->getScreenSize();

	video::ITexture* texture = m_textures[TEX_LAYER_FOOTER].texture;

	/* If no texture, draw nothing */
	if(!texture)
		return;

	f32 mult = (((f32)screensize.Width)) /
			((f32)texture->getOriginalSize().Width);

	v2s32 footersize(((f32)texture->getOriginalSize().Width) * mult,
			((f32)texture->getOriginalSize().Height) * mult);

	// Don't draw the footer if there isn't enough room
	s32 free_space = (((s32)screensize.Height)-320)/2;

	if (free_space > footersize.Y) {
		core::rect<s32> rect(0,0,footersize.X,footersize.Y);
		rect += v2s32(screensize.Width/2,screensize.Height-footersize.Y);
		rect -= v2s32(footersize.X/2, 0);

		draw2DImageFilterScaled(driver, texture, rect,
			core::rect<s32>(core::position2d<s32>(0,0),
			core::dimension2di(texture->getOriginalSize())),
			NULL, NULL, true);
	}
}

/******************************************************************************/
bool GUIEngine::setTexture(texture_layer layer, std::string texturepath,
		bool tile_image, unsigned int minsize)
{
	video::IVideoDriver* driver = m_device->getVideoDriver();
	FATAL_ERROR_IF(driver == 0, "Could not get video driver");

	if (m_textures[layer].texture != NULL)
	{
		driver->removeTexture(m_textures[layer].texture);
		m_textures[layer].texture = NULL;
	}

	if ((texturepath == "") || !fs::PathExists(texturepath))
	{
		return false;
	}

	m_textures[layer].texture = driver->getTexture(texturepath.c_str());
	m_textures[layer].tile    = tile_image;
	m_textures[layer].minsize = minsize;

	if (m_textures[layer].texture == NULL)
	{
		return false;
	}

	return true;
}

/******************************************************************************/
bool GUIEngine::downloadFile(const std::string &url, const std::string &target)
{
#if USE_CURL
	std::ofstream target_file(target.c_str(), std::ios::out | std::ios::binary);

	if (!target_file.good()) {
		return false;
	}

	HTTPFetchRequest fetch_request;
	HTTPFetchResult fetch_result;
	fetch_request.url = url;
	fetch_request.caller = HTTPFETCH_SYNC;
	fetch_request.timeout = g_settings->getS32("curl_file_download_timeout");
	httpfetch_sync(fetch_request, fetch_result);

	if (!fetch_result.succeeded) {
		return false;
	}
	target_file << fetch_result.data;

	return true;
#else
	return false;
#endif
}

/******************************************************************************/
void GUIEngine::setTopleftText(const std::string &text)
{
	m_toplefttext = utf8_to_wide(text);

	updateTopLeftTextSize();
}

/******************************************************************************/
void GUIEngine::updateTopLeftTextSize()
{
	core::rect<s32> rect(0, 0, g_fontengine->getTextWidth(m_toplefttext.c_str()),
		g_fontengine->getTextHeight());
	rect += v2s32(4, 0);

	m_irr_toplefttext->remove();
	m_irr_toplefttext =
		addStaticText(m_device->getGUIEnvironment(), m_toplefttext,
			rect, false, true, 0, -1);
}

/******************************************************************************/
s32 GUIEngine::playSound(SimpleSoundSpec spec, bool looped)
{
	s32 handle = m_sound_manager->playSound(spec, looped);
	return handle;
}

/******************************************************************************/
void GUIEngine::stopSound(s32 handle)
{
	m_sound_manager->stopSound(handle);
}

/******************************************************************************/
unsigned int GUIEngine::queueAsync(const std::string &serialized_func,
		const std::string &serialized_params)
{
	return m_script->queueAsync(serialized_func, serialized_params);
}