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path: root/advtrains_luaautomation/active_common.lua
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local ac = {nodes={}}

function ac.load(data)
	if data then
		ac.nodes=data.nodes
	end
end
function ac.save()
	return {nodes = ac.nodes}
end

function ac.after_place_node(pos, player)
	local meta=minetest.get_meta(pos)
	meta:set_string("formspec", ac.getform(pos, meta))
	meta:set_string("infotext", "LuaAutomation component, unconfigured.")
	local ph=minetest.pos_to_string(pos)
	--just get first available key!
	for en,_ in pairs(atlatc.envs) do
		ac.nodes[ph]={env=en}
		return
	end
end
function ac.getform(pos, meta_p)
	local meta = meta_p or minetest.get_meta(pos)
	local envs_asvalues={}
	
	local ph=minetest.pos_to_string(pos)
	local nodetbl = ac.nodes[ph]
	local env, code, err = nil, "", ""
	if nodetbl then
		code=nodetbl.code or ""
		err=nodetbl.err or ""
		env=nodetbl.env or ""
	end
	local sel = 1
	for n,_ in pairs(atlatc.envs) do
		envs_asvalues[#envs_asvalues+1]=n
		if n==env then
			sel=#envs_asvalues
		end
	end
	local form = "size[10,10]dropdown[0,0;3;env;"..table.concat(envs_asvalues, ",")..";"..sel.."]"
		.."button[4,0;2,1;save;Save]button[7,0;2,1;cle;Clear local env] textarea[0.2,1;10,10;code;Code;"..minetest.formspec_escape(code).."]"
		.."label[0,9.8;"..err.."]"
	return form
end

function ac.after_dig_node(pos, node, player)
	advtrains.invalidate_all_paths(pos)
	advtrains.ndb.clear(pos)
	local ph=minetest.pos_to_string(pos)
	ac.nodes[ph]=nil
end

function ac.on_receive_fields(pos, formname, fields, player)
	if not minetest.check_player_privs(player:get_player_name(), {atlatc=true}) then
		minetest.chat_send_player(player:get_player_name(), "Missing privilege: atlatc - Operation cancelled!")
		return
	end
	
	local meta=minetest.get_meta(pos)
	local ph=minetest.pos_to_string(pos)
	local nodetbl = ac.nodes[ph] or {}
	--if fields.quit then return end
	if fields.env then
		nodetbl.env=fields.env
	end
	if fields.code then
		nodetbl.code=fields.code
	end
	if fields.save then
		nodetbl.err=nil
	end
	if fields.cle then
		nodetbl.data={}
	end
	
	ac.nodes[ph]=nodetbl
	
	meta:set_string("formspec", ac.getform(pos, meta))
	if nodetbl.env then
		meta:set_string("infotext", "LuaAutomation component, assigned to environment '"..nodetbl.env.."'")
	else
		meta:set_string("infotext", "LuaAutomation component, invalid enviroment set!")
	end
end

function ac.run_in_env(pos, evtdata, customfct_p)
	local ph=minetest.pos_to_string(pos)
	local nodetbl = ac.nodes[ph]
	if not nodetbl then
		atwarn("LuaAutomation component at",ph,": Data not in memory! Please visit component and click 'Save'!")
		return
	end
	
	local meta
	if minetest.get_node_or_nil(pos) then
		meta=minetest.get_meta(pos)
	end
	
	if not nodetbl.env or not atlatc.envs[nodetbl.env] then
		atwarn("LuaAutomation component at",ph,": Not an existing environment: "..(nodetbl.env or "<nil>"))
		return false
	end
	if not nodetbl.code or nodetbl.code=="" then
		atwarn("LuaAutomation component at",ph,": No code to run! (insert -- to suppress warning)")
		return false
	end
	
	local customfct=customfct_p or {}
	-- add interrupt function
	customfct.interrupt=function(t, imesg)
		assertt(t, "number")
		assert(t >= 0)
		atlatc.interrupt.add(t, pos, {type="int", int=true, message=imesg, msg=imesg}) --Compatiblity "message" field.
	end
	-- add digiline_send function, if digiline is loaded
	if minetest.global_exists("digiline") then
		customfct.digiline_send=function(channel, msg)
			assertt(channel, "string")
			digiline:receptor_send(pos, digiline.rules.default, channel, msg)
		end
	end
	
	local datain=nodetbl.data or {}
	local succ, dataout = atlatc.envs[nodetbl.env]:execute_code(datain, nodetbl.code, evtdata, customfct)
	if succ then
		atlatc.active.nodes[ph].data=atlatc.remove_invalid_data(dataout)
	else
		atlatc.active.nodes[ph].err=dataout
		atwarn("LuaAutomation ATC interface rail at",ph,": LUA Error:",dataout)
		if meta then
			meta:set_string("infotext", "LuaAutomation ATC interface rail, ERROR:"..dataout)
		end
	end
	if meta then
		meta:set_string("formspec", ac.getform(pos, meta))
	end
end

function ac.on_digiline_receive(pos, node, channel, msg)
	atlatc.interrupt.add(0, pos, {type="digiline", digiline=true, channel = channel, msg = msg})
end

atlatc.active=ac
ref='#n773'>773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809
// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h

#include "guiButton.h"


#include "client/guiscalingfilter.h"
#include "client/tile.h"
#include "IGUISkin.h"
#include "IGUIEnvironment.h"
#include "IVideoDriver.h"
#include "IGUIFont.h"
#include "irrlicht_changes/static_text.h"
#include "porting.h"
#include "StyleSpec.h"

using namespace irr;
using namespace gui;

// Multiply with a color to get the default corresponding hovered color
#define COLOR_HOVERED_MOD 1.25f

// Multiply with a color to get the default corresponding pressed color
#define COLOR_PRESSED_MOD 0.85f

//! constructor
GUIButton::GUIButton(IGUIEnvironment* environment, IGUIElement* parent,
			s32 id, core::rect<s32> rectangle, bool noclip)
: IGUIButton(environment, parent, id, rectangle),
	SpriteBank(0), OverrideFont(0),
	OverrideColorEnabled(false), OverrideColor(video::SColor(101,255,255,255)),
	ClickTime(0), HoverTime(0), FocusTime(0),
	ClickShiftState(false), ClickControlState(false),
	IsPushButton(false), Pressed(false),
	UseAlphaChannel(false), DrawBorder(true), ScaleImage(false)
{
	setNotClipped(noclip);

	// This element can be tabbed.
	setTabStop(true);
	setTabOrder(-1);

	// PATCH
	for (size_t i = 0; i < 4; i++) {
		Colors[i] = Environment->getSkin()->getColor((EGUI_DEFAULT_COLOR)i);
		HoveredColors[i] = irr::video::SColor(Colors[i].getAlpha(),
			core::clamp<u32>(Colors[i].getRed() * COLOR_HOVERED_MOD, 0, 255),
			core::clamp<u32>(Colors[i].getGreen() * COLOR_HOVERED_MOD, 0, 255),
			core::clamp<u32>(Colors[i].getBlue() * COLOR_HOVERED_MOD, 0, 255));
		PressedColors[i] = irr::video::SColor(Colors[i].getAlpha(),
			core::clamp<u32>(Colors[i].getRed() * COLOR_PRESSED_MOD, 0, 255),
			core::clamp<u32>(Colors[i].getGreen() * COLOR_PRESSED_MOD, 0, 255),
			core::clamp<u32>(Colors[i].getBlue() * COLOR_PRESSED_MOD, 0, 255));
	}
	
	StaticText = gui::StaticText::add(Environment, Text.c_str(), core::rect<s32>(0,0,rectangle.getWidth(),rectangle.getHeight()), false, false, this, id);
	StaticText->setTextAlignment(EGUIA_CENTER, EGUIA_CENTER);
	// END PATCH
}

//! destructor
GUIButton::~GUIButton()
{
	if (OverrideFont)
		OverrideFont->drop();

	if (SpriteBank)
		SpriteBank->drop();
}


//! Sets if the images should be scaled to fit the button
void GUIButton::setScaleImage(bool scaleImage)
{
	ScaleImage = scaleImage;
}


//! Returns whether the button scale the used images
bool GUIButton::isScalingImage() const
{
	return ScaleImage;
}


//! Sets if the button should use the skin to draw its border
void GUIButton::setDrawBorder(bool border)
{
	DrawBorder = border;
}


void GUIButton::setSpriteBank(IGUISpriteBank* sprites)
{
	if (sprites)
		sprites->grab();

	if (SpriteBank)
		SpriteBank->drop();

	SpriteBank = sprites;
}

void GUIButton::setSprite(EGUI_BUTTON_STATE state, s32 index, video::SColor color, bool loop, bool scale)
{
	ButtonSprites[(u32)state].Index	= index;
	ButtonSprites[(u32)state].Color	= color;
	ButtonSprites[(u32)state].Loop	= loop;
	ButtonSprites[(u32)state].Scale = scale;
}

//! Get the sprite-index for the given state or -1 when no sprite is set
s32 GUIButton::getSpriteIndex(EGUI_BUTTON_STATE state) const
{
	return ButtonSprites[(u32)state].Index;
}

//! Get the sprite color for the given state. Color is only used when a sprite is set.
video::SColor GUIButton::getSpriteColor(EGUI_BUTTON_STATE state) const
{
	return ButtonSprites[(u32)state].Color;
}

//! Returns if the sprite in the given state does loop
bool GUIButton::getSpriteLoop(EGUI_BUTTON_STATE state) const
{
	return ButtonSprites[(u32)state].Loop;
}

//! Returns if the sprite in the given state is scaled
bool GUIButton::getSpriteScale(EGUI_BUTTON_STATE state) const
{
	return ButtonSprites[(u32)state].Scale;
}

//! called if an event happened.
bool GUIButton::OnEvent(const SEvent& event)
{
	if (!isEnabled())
		return IGUIElement::OnEvent(event);

	switch(event.EventType)
	{
	case EET_KEY_INPUT_EVENT:
		if (event.KeyInput.PressedDown &&
			(event.KeyInput.Key == KEY_RETURN || event.KeyInput.Key == KEY_SPACE))
		{
			if (!IsPushButton)
				setPressed(true);
			else
				setPressed(!Pressed);

			return true;
		}
		if (Pressed && !IsPushButton && event.KeyInput.PressedDown && event.KeyInput.Key == KEY_ESCAPE)
		{
			setPressed(false);
			return true;
		}
		else
		if (!event.KeyInput.PressedDown && Pressed &&
			(event.KeyInput.Key == KEY_RETURN || event.KeyInput.Key == KEY_SPACE))
		{

			if (!IsPushButton)
				setPressed(false);

			if (Parent)
			{
				ClickShiftState = event.KeyInput.Shift;
				ClickControlState = event.KeyInput.Control;

				SEvent newEvent;
				newEvent.EventType = EET_GUI_EVENT;
				newEvent.GUIEvent.Caller = this;
				newEvent.GUIEvent.Element = 0;
				newEvent.GUIEvent.EventType = EGET_BUTTON_CLICKED;
				Parent->OnEvent(newEvent);
			}
			return true;
		}
		break;
	case EET_GUI_EVENT:
		if (event.GUIEvent.Caller == this)
		{
			if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST)
			{
				if (!IsPushButton)
					setPressed(false);
				FocusTime = (u32)porting::getTimeMs();
			}
			else if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUSED)
			{
				FocusTime = (u32)porting::getTimeMs();
			}
			else if (event.GUIEvent.EventType == EGET_ELEMENT_HOVERED || event.GUIEvent.EventType == EGET_ELEMENT_LEFT)
			{
				HoverTime = (u32)porting::getTimeMs();
			}
		}
		break;
	case EET_MOUSE_INPUT_EVENT:
		if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
		{
			// Sometimes formspec elements can receive mouse events when the
			// mouse is outside of the formspec. Thus, we test the position here.
			if ( !IsPushButton && AbsoluteClippingRect.isPointInside(
						core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y ))) {
				setPressed(true);
			}

			return true;
		}
		else
		if (event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
		{
			bool wasPressed = Pressed;

			if ( !AbsoluteClippingRect.isPointInside( core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y ) ) )
			{
				if (!IsPushButton)
					setPressed(false);
				return true;
			}

			if (!IsPushButton)
				setPressed(false);
			else
			{
				setPressed(!Pressed);
			}

			if ((!IsPushButton && wasPressed && Parent) ||
				(IsPushButton && wasPressed != Pressed))
			{
				ClickShiftState = event.MouseInput.Shift;
				ClickControlState = event.MouseInput.Control;

				SEvent newEvent;
				newEvent.EventType = EET_GUI_EVENT;
				newEvent.GUIEvent.Caller = this;