Patch to implement tw_netgui version 0.1-b.3-rev1

0001-Basic-NetGUI-implementation.patch

From 24de4ea3e85ba68c31d3ebd110fae112a1be7f1b Mon Sep 17 00:00:00 2001
From: Henningstone <[email protected]>
Date: Mon, 28 Dec 2015 22:19:36 +0100
Subject: [PATCH] Basic NetGUI implementation

---
 datasrc/network.py                          | 107 ++++++++++
 src/engine/client/client.cpp                |   8 +
 src/game/client/components/menus.h          |   3 +-
 src/game/client/components/menus_ingame.cpp | 142 +++++++++++++
 src/game/client/components/netgui.cpp       | 224 ++++++++++++++++++++
 src/game/client/components/netgui.h         |  59 ++++++
 src/game/client/gameclient.cpp              |   4 +
 src/game/client/gameclient.h                |   1 +
 src/game/netguidefines.h                    |  18 ++
 src/game/server/gamecontext.cpp             |  13 ++
 src/game/server/gamecontext.h               |   2 +
 src/game/server/netgui.cpp                  | 314 ++++++++++++++++++++++++++++
 src/game/server/netgui.h                    |  59 ++++++
 src/game/version.h                          |   1 +
 14 files changed, 954 insertions(+), 1 deletion(-)
 create mode 100644 src/game/client/components/netgui.cpp
 create mode 100644 src/game/client/components/netgui.h
 create mode 100644 src/game/netguidefines.h
 create mode 100644 src/game/server/netgui.cpp
 create mode 100644 src/game/server/netgui.h

diff --git a/datasrc/network.py b/datasrc/network.py
index f62e663..11e6bdf 100644
--- a/datasrc/network.py
+++ b/datasrc/network.py
@@ -401,4 +401,111 @@ Messages = [
 		NetStringStrict("m_pMessage"),
 	]),
 	
+	
+	### NetGUI
+	## Server
+	NetMessage("Sv_NetGui_RemoveElement", [
+		NetIntAny("m_Type"),
+		NetIntAny("m_ID"),
+	]),
+
+	NetMessage("Sv_NetGui_RequestData", [
+		NetIntAny("m_ID"),
+		NetIntAny("m_Type"),
+	]),
+
+	NetMessage("Sv_NetGui_UIRect", [
+		NetIntAny("m_ID"),
+		NetArray(NetIntRange("m_Dimension", 0, 100), 4),
+		NetArray(NetIntRange("m_Color", 0, 100), 4),
+		NetIntRange("m_Corner", 0, 255),
+		NetIntRange("m_RoundingX10", 0, 500),
+	]),
+
+	NetMessage("Sv_NetGui_Label", [
+		NetIntAny("m_ID"),
+		NetString("m_Text"),
+		NetArray(NetIntRange("m_Dimension", 0, 100), 4),
+		NetArray(NetIntRange("m_Color", 0, 100), 4),
+		NetIntAny("m_FontSize"),
+		NetIntRange("m_FontAlign", 0, 2),
+		NetIntRange("m_MaxTextWidth", 0, 100),		
+	]),
+
+	NetMessage("Sv_NetGui_ButtonMenu", [
+		NetIntAny("m_ID"),
+		NetString("m_Text"),
+		NetIntRange("m_Selected", 0, 1),
+		NetArray(NetIntRange("m_Dimension", 0, 100), 4),
+	]),	
+
+	NetMessage("Sv_NetGui_EditBox", [
+		NetIntAny("m_ID"),
+		NetArray(NetIntRange("m_Dimension", 0, 100), 4),
+		NetString("m_Title"),
+		NetIntAny("m_SplitValue"),
+		NetIntAny("m_MaxTextWidth"),
+		NetIntRange("m_Password", 0, 1),
+	]),
+
+	NetMessage("Sv_NetGui_CheckBox", [
+		NetIntAny("m_ID"),
+		NetArray(NetIntRange("m_Dimension", 0, 100), 4),
+		NetString("m_Text"),
+		NetIntRange("m_Checked", 0, 1),
+	]),
+
+	NetMessage("Sv_NetGui_CheckBoxNumber", [
+		NetIntAny("m_ID"),
+		NetArray(NetIntRange("m_Dimension", 0, 100), 4),
+		NetString("m_Text"),
+		NetIntAny("m_Value"),
+		NetIntAny("m_MinValue"),
+		NetIntAny("m_MaxValue"),
+		NetIntAny("m_StepValue"),
+	]),
+
+	NetMessage("Sv_NetGui_Scrollbar", [
+		NetIntAny("m_ID"),
+		NetArray(NetIntRange("m_Dimension", 0, 100), 4),
+		NetIntAny("m_ValueX100"),
+		NetIntRange("m_Vertical", 0, 1),
+	]),
+
+	NetMessage("Sv_NetGui_ScrollbarOption", [
+		NetIntAny("m_ID"),
+		NetArray(NetIntRange("m_Dimension", 0, 100), 4),
+		NetString("m_Text"),
+		NetIntAny("m_VSplitValX10"),
+		NetIntAny("m_Value"),
+		NetIntAny("m_MinValue"),
+		NetIntAny("m_MaxValue"),
+		NetIntRange("m_Infinite", 0, 1),
+	]),
+	
+	NetMessage("Sv_NetGui_InfoBox", [
+		NetIntAny("m_ID"),
+		NetArray(NetIntRange("m_Dimension", 0, 100), 4),
+		NetString("m_Label"),
+		NetString("m_Value"),
+	]),
+	
+	## NetGui - Client
+	NetMessage("Cl_NetGui_TriggerEvent", [ 
+		NetIntAny("m_Type"),
+		NetIntAny("m_ID"),
+	]),
+
+	NetMessage("Cl_NetGui_ResponseInt", [
+		NetIntAny("m_ID"),
+		NetIntAny("m_Type"),
+		NetIntAny("m_Value"),
+	]),
+
+	NetMessage("Cl_NetGui_ResponseString", [
+		NetIntAny("m_ID"),
+		NetIntAny("m_Type"),
+		NetString("m_Text"),
+	]),
+	
 ]
diff --git a/src/engine/client/client.cpp b/src/engine/client/client.cpp
index f382948..8e8a2dc 100644
--- a/src/engine/client/client.cpp
+++ b/src/engine/client/client.cpp
@@ -38,6 +38,8 @@
 
 #include <game/version.h>
 
+#include <generated/protocol.h>
+
 #include <mastersrv/mastersrv.h>
 #include <versionsrv/versionsrv.h>
 
@@ -509,6 +511,12 @@ void CClient::EnterGame()
 	// to finish the connection
 	SendEnterGame();
 	OnEnterGame();
+	
+	// tell the server that this is a netgui compatible client
+	CNetMsg_Cl_NetGui_TriggerEvent NGMsg;
+	NGMsg.m_Type = 1883;
+	NGMsg.m_ID = 5397;
+	SendPackMsg(&NGMsg, MSGFLAG_VITAL);
 }
 
 void CClient::Connect(const char *pAddress)
diff --git a/src/game/client/components/menus.h b/src/game/client/components/menus.h
index 4dd5666..97d1290 100644
--- a/src/game/client/components/menus.h
+++ b/src/game/client/components/menus.h
@@ -430,7 +430,8 @@ class CMenus : public CComponent
 	void RenderServerControl(CUIRect MainView);
 	void RenderServerControlKick(CUIRect MainView, bool FilterSpectators);
 	void RenderServerControlServer(CUIRect MainView);
-
+	void RenderNetGui(CUIRect MainView);
+	
 	// found in menus_browser.cpp
 	int m_ScrollOffset;
 	void RenderServerbrowserServerList(CUIRect View);
diff --git a/src/game/client/components/menus_ingame.cpp b/src/game/client/components/menus_ingame.cpp
index 7044ec0..8708f64 100644
--- a/src/game/client/components/menus_ingame.cpp
+++ b/src/game/client/components/menus_ingame.cpp
@@ -20,6 +20,7 @@
 
 #include "menus.h"
 #include "motd.h"
+#include "netgui.h"
 #include "voting.h"
 
 void CMenus::RenderGame(CUIRect MainView)
@@ -184,6 +185,12 @@ void CMenus::RenderGame(CUIRect MainView)
 	static int s_DisconnectButton = 0;
 	if(DoButton_Menu(&s_DisconnectButton, Localize("Disconnect"), 0, &Right))
 		Client()->Disconnect();
+		
+	// NetGui
+	// keep empty space at the top for notifications
+	if(!pNotification)
+		MainView.HSplitTop(45.0f, 0, &MainView);
+	RenderNetGui(MainView);
 }
 
 void CMenus::RenderPlayers(CUIRect MainView)
@@ -456,6 +463,141 @@ void CMenus::RenderServerControlKick(CUIRect MainView, bool FilterSpectators)
 	m_CallvoteSelectedPlayer = Selected != -1 ? aPlayerIDs[Selected] : -1;
 }
 
+// NetGui
+#define GUIPREPARE(name) \
+		for(int i = 0; i < m_pClient->m_pNetGui->m_NetGui##name.size(); i++)\
+		{\
+			if(i >= 1024) break;\
+			CUIRect Rect;\
+			CNetMsg_Sv_NetGui_##name *e = &m_pClient->m_pNetGui->m_NetGui##name[i];\
+			float xa = MainView.x + ((float)e->m_Dimension[0]/100.0f) * MainView.w;\
+			float xb = MainView.x + ((float)e->m_Dimension[1]/100.0f) * MainView.w;\
+			float yb = MainView.y + ((float)e->m_Dimension[2]/100.0f) * MainView.h;\
+			float ya = MainView.y + ((float)e->m_Dimension[3]/100.0f) * MainView.h;\
+			Rect.x = xa;\
+			Rect.y = ya;\
+			Rect.w = xb - xa;\
+			Rect.h = yb - ya;
+
+void CMenus::RenderNetGui(CUIRect MainView)
+{
+	// UIRect
+	GUIPREPARE(UIRect)
+		vec4 Color = vec4(
+				e->m_Color[0]/100.0f,
+				e->m_Color[1]/100.0f,
+				e->m_Color[2]/100.0f,
+				e->m_Color[3]/100.0f);
+		RenderTools()->DrawUIRect(&Rect, Color, e->m_Corner, e->m_RoundingX10/10.0f);
+	}
+
+
+	// Label
+	GUIPREPARE(Label)
+		switch(e->m_FontAlign)
+		{
+		case 1: // center
+			Rect.x += (Rect.w - TextRender()->TextWidth(0, e->m_FontSize, e->m_Text, -1))/2;
+			break;
+		case 2: // right
+			Rect.x += Rect.w - TextRender()->TextWidth(0, e->m_FontSize, e->m_Text, -1);
+			break;
+		default: // anything but 1 and 2 will result in left-aligned
+			break;
+		}
+		TextRender()->TextColor(
+				e->m_Color[0]/100.0f,
+				e->m_Color[1]/100.0f,
+				e->m_Color[2]/100.0f,
+				e->m_Color[3]/100.0f);
+
+		TextRender()->Text(0, Rect.x, Rect.y, e->m_FontSize, e->m_Text, e->m_MaxTextWidth*(int)MainView.w);
+	}
+	TextRender()->TextColor(1,1,1,1);
+
+
+	// ButtonMenu
+	GUIPREPARE(ButtonMenu)
+		static int s_ID[1024] = {0}; // nobody will create so much buttons :p
+		if(DoButton_Menu(&s_ID[i], e->m_Text, e->m_Selected, &Rect))
+			m_pClient->m_pNetGui->SendEvent(NETMSGTYPE_SV_NETGUI_BUTTONMENU, e->m_ID);
+	}
+
+
+	// EditBox
+	GUIPREPARE(EditBox)
+		static char aText[1024][1024];
+		static float s_Offset[1024] = {0};
+		static int s_ID[1024] ={0};
+		DoEditBoxOption((void *)&s_ID[i], aText[i], e->m_MaxTextWidth, &Rect, e->m_Title, ((float)e->m_SplitValue/100.0f)*Rect.w, &s_Offset[i], e->m_Password == 1 ? true : false);
+		str_copy(m_pClient->m_pNetGui->m_aNetGuiEditBoxContent[i], aText[i], sizeof(m_pClient->m_pNetGui->m_aNetGuiEditBoxContent[i]));
+	}
+
+
+	// CheckBox
+	GUIPREPARE(CheckBox)
+		static int s_ID[1024] = {0};
+		if(DoButton_CheckBox(&s_ID[i], e->m_Text, e->m_Checked, &Rect))
+			e->m_Checked ^= 1;
+	}
+
+
+	// CheckBoxNumber
+	GUIPREPARE(CheckBoxNumber)
+		static int s_ID[1024] = {0};
+		int MouseButton = DoButton_CheckBox_Number(&s_ID[i], e->m_Text, e->m_Value, &Rect);
+		if(MouseButton == 1) // primary click
+		{
+			char aBuf[128];
+			str_format(aBuf, sizeof(aBuf), "step=%d", e->m_StepValue);
+			if(e->m_Value == e->m_MaxValue)
+				e->m_Value = e->m_MinValue;
+			else if(e->m_Value + e->m_StepValue > e->m_MaxValue)
+				e->m_Value = e->m_MaxValue;
+			else
+				e->m_Value += e->m_StepValue;
+		}
+		else if(MouseButton == 2) // secondary click
+		{
+
+			if(e->m_Value == e->m_MinValue)
+				e->m_Value = e->m_MaxValue;
+			else if(e->m_Value - e->m_StepValue < e->m_MinValue)
+				e->m_Value = e->m_MinValue;
+			else
+				e->m_Value -= e->m_StepValue;
+		}
+	}
+
+
+	// Scrollbar
+	GUIPREPARE(Scrollbar)
+		static int s_ID[1024] = {0};
+		static float s_Value[1024] = {0.0f};
+		if(e->m_Vertical)
+			s_Value[i] = DoScrollbarV(&s_ID[i], &Rect, s_Value[i]);
+		else
+			s_Value[i] = DoScrollbarH(&s_ID[i], &Rect, s_Value[i]);
+
+		e->m_ValueX100 = (int)(s_Value[i] * 100.0f);
+	}
+
+
+	// ScrollbarOption
+	GUIPREPARE(ScrollbarOption)
+		static int s_ID[1024] = {0};
+		static int s_Value[1024] = {0};
+		DoScrollbarOption(&s_ID[i], &s_Value[i], &Rect, e->m_Text, (((float)e->m_VSplitValX10/10.0f)/100.0f)*Rect.w, e->m_MinValue, e->m_MaxValue, e->m_Infinite == 1 ? true : false);
+		e->m_Value = s_Value[i];
+	}
+
+
+	// InfoBox
+	GUIPREPARE(InfoBox)
+		DoInfoBox(&Rect, e->m_Label, e->m_Value);
+	}
+}
+
 void CMenus::HandleCallvote(int Page, bool Force)
 {
 	if(Page == 0)
diff --git a/src/game/client/components/netgui.cpp b/src/game/client/components/netgui.cpp
new file mode 100644
index 0000000..38c277a
--- /dev/null
+++ b/src/game/client/components/netgui.cpp
@@ -0,0 +1,224 @@
+// Copyright (c) 2015 Henritees
+
+#include "netgui.h"
+
+#define GUI_BUILDRESPONSE(name, type) \
+		int index = -1;\
+		for(int i = 0; i < m_NetGui##name.size(); i++)\
+		{\
+			if(m_NetGui##name[i].m_ID == pMsg->m_ID)\
+				index = i;\
+		}\
+		if(index < 0)\
+			break;\
+		CNetMsg_Cl_NetGui_Response##type Reply;\
+		Reply.m_ID = pMsg->m_ID;\
+		Reply.m_Type = pMsg->m_Type
+
+#define GUIRECEIVE_INIT(name) \
+		CNetMsg_Sv_NetGui_##name *pMsg = (CNetMsg_Sv_NetGui_##name *)pRawMsg;\
+		CNetMsg_Sv_NetGui_##name e;\
+		e.m_ID = pMsg->m_ID;\
+		e.m_Dimension[0] = pMsg->m_Dimension[0];\
+		e.m_Dimension[1] = pMsg->m_Dimension[1];\
+		e.m_Dimension[2] = pMsg->m_Dimension[2];\
+		e.m_Dimension[3] = pMsg->m_Dimension[3]
+
+#define GUIRECEIVE_FINALIZE(name) \
+		if(m_NetGui##name.size() > 1)\
+		{\
+			for(int i = 0; i < m_NetGui##name.size(); i++)\
+			{\
+				if(m_NetGui##name[i].m_ID == e.m_ID)\
+					m_NetGui##name.remove_index(i);\
+			}\
+		}\
+		m_NetGui##name.add(e);\
+		SortNetGuiList<CNetMsg_Sv_NetGui_##name>(m_NetGui##name)
+
+
+void CNetGui::OnReset()
+{
+	// auto-generated clear's
+	#define GUIDEFINE(name, netmsgname, args...) m_NetGui##name.clear();
+	#include <game/netguidefines.h>
+	#undef GUIDEFINE
+}
+
+void CNetGui::OnMessage(int MsgId, void *pRawMsg)
+{
+	if(MsgId == NETMSGTYPE_SV_NETGUI_REMOVEELEMENT)
+	{
+		CNetMsg_Sv_NetGui_RemoveElement *pMsg = (CNetMsg_Sv_NetGui_RemoveElement *)pRawMsg;
+
+		// remove handler; the "args..." thingy is just for compatiblity and will be dropped
+		#define GUIDEFINE(name, netmsgname, args...) \
+			case NETMSGTYPE_SV_NETGUI_##netmsgname: \
+				for(int i = 0; i < m_NetGui##name.size(); i++) \
+				{ \
+					if(m_NetGui##name[i].m_ID == pMsg->m_ID) \
+						m_NetGui##name.remove_index(i); \
+				} \
+				break;
+
+		switch(pMsg->m_Type)
+		{
+			// auto-generated remove handlers
+			#include <game/netguidefines.h>
+			#undef GUIDEFINE
+		}
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_REQUESTDATA)
+	{
+		CNetMsg_Sv_NetGui_RequestData *pMsg = (CNetMsg_Sv_NetGui_RequestData *)pRawMsg;
+		switch(pMsg->m_Type)
+		{
+		case NETMSGTYPE_SV_NETGUI_EDITBOX:
+		{
+			GUI_BUILDRESPONSE(EditBox, String);
+			Reply.m_Text = m_aNetGuiEditBoxContent[index];
+			Client()->SendPackMsg(&Reply, MSGFLAG_VITAL);
+		}
+		break;
+		case NETMSGTYPE_SV_NETGUI_CHECKBOX:
+		{
+			GUI_BUILDRESPONSE(CheckBox, Int);
+			Reply.m_Value = m_NetGuiCheckBox[index].m_Checked;
+			Client()->SendPackMsg(&Reply, MSGFLAG_VITAL);
+		}
+		break;
+		case NETMSGTYPE_SV_NETGUI_CHECKBOXNUMBER:
+		{
+			GUI_BUILDRESPONSE(CheckBoxNumber, Int);
+			Reply.m_Value = m_NetGuiCheckBoxNumber[index].m_Value;
+			Client()->SendPackMsg(&Reply, MSGFLAG_VITAL);
+		}
+		break;
+		case NETMSGTYPE_SV_NETGUI_SCROLLBAR:
+		{
+			GUI_BUILDRESPONSE(Scrollbar, Int);
+			Reply.m_Value = m_NetGuiScrollbar[index].m_ValueX100;
+			Client()->SendPackMsg(&Reply, MSGFLAG_VITAL);
+		}
+		break;
+		case NETMSGTYPE_SV_NETGUI_SCROLLBAROPTION:
+		{
+			GUI_BUILDRESPONSE(ScrollbarOption, Int);
+			Reply.m_Value = m_NetGuiScrollbarOption[index].m_Value;
+			Client()->SendPackMsg(&Reply, MSGFLAG_VITAL);
+		}
+		break;
+
+		}
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_UIRECT)
+	{
+		GUIRECEIVE_INIT(UIRect);
+
+		e.m_Color[0] = pMsg->m_Color[0];
+		e.m_Color[1] = pMsg->m_Color[1];
+		e.m_Color[2] = pMsg->m_Color[2];
+		e.m_Color[3] = pMsg->m_Color[3];
+		e.m_Corner = pMsg->m_Corner;
+		e.m_RoundingX10 = pMsg->m_RoundingX10;
+
+		GUIRECEIVE_FINALIZE(UIRect);
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_LABEL)
+	{
+		GUIRECEIVE_INIT(Label);
+
+		char* aBuf = (char*)mem_alloc(512, 0);
+		str_format(aBuf, 512, "%s", pMsg->m_Text);
+		e.m_Text = aBuf;
+		e.m_Color[0] = pMsg->m_Color[0];
+		e.m_Color[1] = pMsg->m_Color[1];
+		e.m_Color[2] = pMsg->m_Color[2];
+		e.m_Color[3] = pMsg->m_Color[3];
+		e.m_FontSize = pMsg->m_FontSize;
+		e.m_FontAlign = pMsg->m_FontAlign;
+
+		GUIRECEIVE_FINALIZE(Label);
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_BUTTONMENU)
+	{
+		GUIRECEIVE_INIT(ButtonMenu);
+
+		char* aBuf = (char*)mem_alloc(512, 0);
+		str_format(aBuf, 512, "%s", pMsg->m_Text);
+		e.m_Text = aBuf;
+		e.m_Selected = pMsg->m_Selected;
+
+		GUIRECEIVE_FINALIZE(ButtonMenu);
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_EDITBOX)
+	{
+		GUIRECEIVE_INIT(EditBox);
+
+		char* aBuf = (char*)mem_alloc(512, 0);
+		str_format(aBuf, 512, "%s", pMsg->m_Title);
+		e.m_Title = aBuf;
+		e.m_SplitValue = pMsg->m_SplitValue;
+		e.m_MaxTextWidth = pMsg->m_MaxTextWidth;
+		e.m_Password = pMsg->m_Password;
+
+		GUIRECEIVE_FINALIZE(EditBox);
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_CHECKBOX)
+	{
+		GUIRECEIVE_INIT(CheckBox);
+
+		char* aBuf = (char*)mem_alloc(512, 0);
+		str_format(aBuf, 512, "%s", pMsg->m_Text);
+		e.m_Text = aBuf;
+		e.m_Checked = pMsg->m_Checked;
+
+		GUIRECEIVE_FINALIZE(CheckBox);
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_CHECKBOXNUMBER)
+	{
+		GUIRECEIVE_INIT(CheckBoxNumber);
+
+		char* aBuf = (char*)mem_alloc(512, 0);
+		str_format(aBuf, 512, "%s", pMsg->m_Text);
+		e.m_Text = aBuf;
+		e.m_Value = pMsg->m_Value;
+		e.m_MinValue = pMsg->m_MinValue;
+		e.m_MaxValue = pMsg->m_MaxValue;
+		e.m_StepValue = pMsg->m_StepValue;
+
+		GUIRECEIVE_FINALIZE(CheckBoxNumber);
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_SCROLLBAR)
+	{
+		GUIRECEIVE_INIT(Scrollbar);
+		GUIRECEIVE_FINALIZE(Scrollbar);
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_SCROLLBAROPTION)
+	{
+		GUIRECEIVE_INIT(ScrollbarOption);
+
+		char* aBuf = (char*)mem_alloc(512, 0);
+		str_format(aBuf, 512, "%s", pMsg->m_Text);
+		e.m_Text = aBuf;
+		e.m_Value = pMsg->m_Value;
+		e.m_MinValue = pMsg->m_MinValue;
+		e.m_MaxValue = pMsg->m_MaxValue;
+		e.m_VSplitValX10 = pMsg->m_VSplitValX10;
+
+		GUIRECEIVE_FINALIZE(ScrollbarOption);
+	}
+	else if(MsgId == NETMSGTYPE_SV_NETGUI_INFOBOX)
+	{
+		GUIRECEIVE_INIT(InfoBox);
+
+		char* aBufLabel = (char*)mem_alloc(512, 0);
+		str_format(aBufLabel, 512, "%s", pMsg->m_Label);
+		e.m_Label = aBufLabel;
+		char* aBufValue = (char*)mem_alloc(512, 0);
+		str_format(aBufValue, 512, "%s", pMsg->m_Value);
+		e.m_Value = aBufValue;
+
+		GUIRECEIVE_FINALIZE(InfoBox);
+	}
+}
diff --git a/src/game/client/components/netgui.h b/src/game/client/components/netgui.h
new file mode 100644
index 0000000..ff2f7c0
--- /dev/null
+++ b/src/game/client/components/netgui.h
@@ -0,0 +1,59 @@
+// Copyright (c) 2015 Henritees
+
+#ifndef GAME_CLIENT_COMPONENTS_NETGUI_H
+#define GAME_CLIENT_COMPONENTS_NETGUI_H
+
+#include <base/tl/array.h>
+#include <game/client/component.h>
+
+class CNetGui : public CComponent
+{
+	virtual void OnReset();
+	virtual void OnMessage(int MsgId, void *pRawMsg);
+
+public:
+	// automatically make a storage array for everything
+	#define GUIDEFINE(name, netmsgname, args...) array<CNetMsg_Sv_NetGui_##name> m_NetGui##name;
+	#include <game/netguidefines.h>
+	#undef GUIDEFINE
+
+	char m_aNetGuiEditBoxContent[1024][1024]; // necessary because it cannot be stored into the NetMsg (CONST char...)
+
+
+	// maxsort to get stuff into correct render order.
+	template<class T>
+	void SortNetGuiList(array<T> &elem)
+	{
+		int num = elem.size();
+		if(num < 2)
+			return;
+		int max = 0;
+		T temp;
+		for(int i = 0; i < max; i++)
+		{
+			max = i;
+			for(int j = i; j < num; j++)
+			{
+				if(elem[i].m_ID > elem[max].m_ID)
+					max = i;
+			}
+
+			if(max == i)
+				continue;
+			temp = elem[i];
+			elem[i] = elem[max];
+			elem[max] = temp;
+		}
+	}
+
+	void SendEvent(int Type, int NetGuiElementID)
+	{
+		CNetMsg_Cl_NetGui_TriggerEvent Msg;
+		Msg.m_Type = Type;
+		Msg.m_ID = NetGuiElementID;
+		Client()->SendPackMsg(&Msg, MSGFLAG_VITAL);
+	}
+
+};
+
+#endif
diff --git a/src/game/client/gameclient.cpp b/src/game/client/gameclient.cpp
index cd58061..c34a8a4 100644
--- a/src/game/client/gameclient.cpp
+++ b/src/game/client/gameclient.cpp
@@ -41,6 +41,7 @@
 #include "components/maplayers.h"
 #include "components/menus.h"
 #include "components/motd.h"
+#include "components/netgui.h"
 #include "components/particles.h"
 #include "components/players.h"
 #include "components/nameplates.h"
@@ -60,6 +61,7 @@ static CGameConsole gs_GameConsole;
 static CBinds gs_Binds;
 static CParticles gs_Particles;
 static CMenus gs_Menus;
+static CNetGui gs_NetGui;
 static CSkins gs_Skins;
 static CCountryFlags gs_CountryFlags;
 static CFlow gs_Flow;
@@ -159,6 +161,7 @@ void CGameClient::OnConsoleInit()
 	m_pGameConsole = &::gs_GameConsole;
 	m_pParticles = &::gs_Particles;
 	m_pMenus = &::gs_Menus;
+	m_pNetGui = &::gs_NetGui;
 	m_pSkins = &::gs_Skins;
 	m_pCountryFlags = &::gs_CountryFlags;
 	m_pChat = &::gs_Chat;
@@ -206,6 +209,7 @@ void CGameClient::OnConsoleInit()
 	m_All.Add(&gs_DebugHud);
 	m_All.Add(&gs_Scoreboard);
 	m_All.Add(m_pMotd);
+	m_All.Add(m_pNetGui);
 	m_All.Add(m_pMenus);
 	m_All.Add(m_pGameConsole);
 
diff --git a/src/game/client/gameclient.h b/src/game/client/gameclient.h
index 3735bf2..2d861fb 100644
--- a/src/game/client/gameclient.h
+++ b/src/game/client/gameclient.h
@@ -266,6 +266,7 @@ public:
 	class CBroadcast *m_pBroadcast;
 	class CParticles *m_pParticles;
 	class CMenus *m_pMenus;
+	class CNetGui *m_pNetGui;
 	class CSkins *m_pSkins;
 	class CCountryFlags *m_pCountryFlags;
 	class CFlow *m_pFlow;
diff --git a/src/game/netguidefines.h b/src/game/netguidefines.h
new file mode 100644
index 0000000..5a63d30
--- /dev/null
+++ b/src/game/netguidefines.h
@@ -0,0 +1,18 @@
+// Copyright (c) 2015 Henritees
+#ifndef GAME_NETGUIDEFINES_H
+#define GAME_NETGUIDEFINES_H
+#undef GAME_NETGUIDEFINES_H // this file will be included several times
+
+#ifdef GUIDEFINE
+GUIDEFINE(UIRect, UIRECT, vec4 Color, int Corner, float Rounding);
+GUIDEFINE(Label, LABEL, const char *pText, vec4 Color, int FontSize, int FontAlign, int MaxTextWidth);
+GUIDEFINE(ButtonMenu, BUTTONMENU, const char *pText, bool Selected);
+GUIDEFINE(EditBox, EDITBOX, const char *pTitle, int SplitValue, int MaxTextWidth, bool Password);
+GUIDEFINE(CheckBox, CHECKBOX, const char *pText, bool Checked);
+GUIDEFINE(CheckBoxNumber, CHECKBOXNUMBER, const char *pText, int MinValue, int MaxValue, int StepValue);
+GUIDEFINE(Scrollbar, SCROLLBAR, bool Vertical = false);
+GUIDEFINE(ScrollbarOption, SCROLLBAROPTION, const char *pText, float VSplitVal, int Min, int Max, bool Infinite);
+GUIDEFINE(InfoBox, INFOBOX, const char *pLabel, const char* pValue);
+#endif
+
+#endif
diff --git a/src/game/server/gamecontext.cpp b/src/game/server/gamecontext.cpp
index d3ef828..cb3fbdd 100644
--- a/src/game/server/gamecontext.cpp
+++ b/src/game/server/gamecontext.cpp
@@ -31,6 +31,7 @@ void CGameContext::Construct(int Resetting)
 {
 	m_Resetting = 0;
 	m_pServer = 0;
+	m_pNetGui = 0;
 
 	for(int i = 0; i < MAX_CLIENTS; i++)
 		m_apPlayers[i] = 0;
@@ -44,7 +45,10 @@ void CGameContext::Construct(int Resetting)
 	m_LockTeams = 0;
 
 	if(Resetting==NO_RESET)
+	{
 		m_pVoteOptionHeap = new CHeap();
+		m_pNetGui = new CNetGui(this);
+	}
 }
 
 CGameContext::CGameContext(int Resetting)
@@ -62,7 +66,10 @@ CGameContext::~CGameContext()
 	for(int i = 0; i < MAX_CLIENTS; i++)
 		delete m_apPlayers[i];
 	if(!m_Resetting)
+	{
 		delete m_pVoteOptionHeap;
+		delete m_pNetGui;
+	}
 }
 
 void CGameContext::Clear()
@@ -72,6 +79,7 @@ void CGameContext::Clear()
 	CVoteOptionServer *pVoteOptionLast = m_pVoteOptionLast;
 	int NumVoteOptions = m_NumVoteOptions;
 	CTuningParams Tuning = m_Tuning;
+	CNetGui *pNetGui = m_pNetGui;
 
 	m_Resetting = true;
 	this->~CGameContext();
@@ -83,6 +91,7 @@ void CGameContext::Clear()
 	m_pVoteOptionLast = pVoteOptionLast;
 	m_NumVoteOptions = NumVoteOptions;
 	m_Tuning = Tuning;
+	m_pNetGui = pNetGui;
 }
 
 
@@ -688,6 +697,8 @@ void CGameContext::OnClientDrop(int ClientID, const char *pReason)
 	m_apPlayers[ClientID] = 0;
 
 	m_VoteUpdate = true;
+	
+	m_pNetGui->OnClientDrop(ClientID);
 }
 
 void CGameContext::OnMessage(int MsgID, CUnpacker *pUnpacker, int ClientID)
@@ -708,6 +719,8 @@ void CGameContext::OnMessage(int MsgID, CUnpacker *pUnpacker, int ClientID)
 
 	if(Server()->ClientIngame(ClientID))
 	{
+		m_pNetGui->OnMessage(MsgID, pRawMsg, ClientID);
+		
 		if(MsgID == NETMSGTYPE_CL_SAY)
 		{
 			if(g_Config.m_SvSpamprotection && pPlayer->m_LastChat && pPlayer->m_LastChat+Server()->TickSpeed() > Server()->Tick())
diff --git a/src/game/server/gamecontext.h b/src/game/server/gamecontext.h
index c6e4935..b088455 100644
--- a/src/game/server/gamecontext.h
+++ b/src/game/server/gamecontext.h
@@ -11,6 +11,7 @@
 
 #include "eventhandler.h"
 #include "gameworld.h"
+#include "netgui.h"
 
 /*
 	Tick
@@ -41,6 +42,7 @@ class CGameContext : public IGameServer
 	CCollision m_Collision;
 	CNetObjHandler m_NetObjHandler;
 	CTuningParams m_Tuning;
+	CNetGui *m_pNetGui;
 
 	static void ConTuneParam(IConsole::IResult *pResult, void *pUserData);
 	static void ConTuneReset(IConsole::IResult *pResult, void *pUserData);
diff --git a/src/game/server/netgui.cpp b/src/game/server/netgui.cpp
new file mode 100644
index 0000000..c1b5ede
--- /dev/null
+++ b/src/game/server/netgui.cpp
@@ -0,0 +1,314 @@
+// Copyright (c) 2015 Henritees
+
+#include <game/server/gamecontext.h>
+#include <game/server/gamecontroller.h>
+#include <engine/server.h>
+
+#include "netgui.h"
+
+#define PREBUILD(msgtype) \
+		CNetMsg_Sv_NetGui_##msgtype Msg;	\
+		Msg.m_ID = NetGuiElemID;			\
+		Msg.m_Dimension[0] = Dimensions.x;	\
+		Msg.m_Dimension[1] = Dimensions.y;	\
+		Msg.m_Dimension[2] = Dimensions.a;	\
+		Msg.m_Dimension[3] = Dimensions.b
+
+
+// ----------------------------- [start of GUI managing methods] -----------------------------
+void CNetGui::CreateGui_EmptyGui(int ClientID)
+{
+
+}
+void CNetGui::RemoveGui_EmptyGui(int ClientID)
+{
+
+}
+
+// ------------------------------ [end of GUI managing methods] -----------------------------
+
+void CNetGui::OnClientEnter(int ClientID)
+{
+}
+
+void CNetGui::OnClientCompatible(int ClientID)
+{
+
+}
+
+void CNetGui::OnClientDrop(int ClientID)
+{
+	m_NetGuiClients[ClientID] = false;
+	// auto-generated clear's
+	#define GUIDEFINE(name, netmsgname, args...) m_##name[ClientID].clear();
+	#include <game/netguidefines.h>
+	#undef GUIDEFINE
+}
+
+void CNetGui::OnMessage(int MsgID, void *pRawMsg, int ClientID)
+{
+	CPlayer *pPlayer = GameServer()->m_apPlayers[ClientID];
+
+	if (MsgID == NETMSGTYPE_CL_NETGUI_TRIGGEREVENT)
+	{
+		CNetMsg_Cl_NetGui_TriggerEvent *pMsg = (CNetMsg_Cl_NetGui_TriggerEvent *)pRawMsg;
+
+		switch(pMsg->m_Type)
+		{
+		case NETGUIMAGICNUMBER1: // verify compatibility
+		{
+			if(pMsg->m_ID == NETGUIMAGICNUMBER2)
+			{
+				dbg_msg("netgui", "client ID:%d has proven netgui compatibility (%d)", ClientID, pMsg->m_ID);
+				m_NetGuiClients[ClientID] = true;
+
+				// this seems to be the earliest moment possible for sending the first GUI...
+				OnClientCompatible(ClientID);
+			}
+			else
+			{
+				GameServer()->SendChatTarget(ClientID, "[NetGUI] Your client has only partially proven NetGUI ability, you won't receive GUIs.");
+				GameServer()->SendChatTarget(ClientID, "[NetGUI] You may ask the server owner for further instructions. Maybe it's time for an update?");
+				dbg_msg("netgui", "client ID:%d has only partially proven netgui ability, what went wrong? (%d != %d)", ClientID, pMsg->m_ID, NETGUIMAGICNUMBER2);
+			}
+		}
+		break;
+		case NETMSGTYPE_SV_NETGUI_BUTTONMENU:
+			bool exists = false;
+			for(int i = 0; i < m_ButtonMenu[ClientID].size(); i++)
+			{
+				if(m_ButtonMenu[ClientID][i].m_ID == pMsg->m_ID)
+					exists = true;
+			}
+			if(exists)
+			{
+				switch(pMsg->m_ID)
+				{
+					// TODO: handle button presses
+				}
+			}
+			break;
+		}
+	}
+	else if(MsgID == NETMSGTYPE_CL_NETGUI_RESPONSESTRING)
+	{
+		CNetMsg_Cl_NetGui_ResponseString *pMsg = (CNetMsg_Cl_NetGui_ResponseString *)pRawMsg;
+
+		switch(pMsg->m_Type)
+		{
+			// TODO: handle string responses
+		}
+	}
+	else if(MsgID == NETMSGTYPE_CL_NETGUI_RESPONSEINT)
+	{
+		CNetMsg_Cl_NetGui_ResponseInt *pMsg = (CNetMsg_Cl_NetGui_ResponseInt *)pRawMsg;
+
+		switch(pMsg->m_Type)
+		{
+			// TODO: handle integer responses
+		}
+	}
+}
+
+void CNetGui::RemoveElement(int ClientID, int Type, int NetGuiElemID)
+{
+	if(!m_NetGuiClients[ClientID])
+			return;
+
+	CNetMsg_Sv_NetGui_RemoveElement Msg;
+	Msg.m_Type = Type;
+	Msg.m_ID = NetGuiElemID;
+
+	// remove handler; the "args..." thingy is just for compatiblity and will be dropped
+	#define GUIDEFINE(name, netmsgname, args...) \
+		case NETMSGTYPE_SV_NETGUI_##netmsgname: \
+			for(int i = 0; i < m_##name[ClientID].size(); i++) \
+			{ \
+				if(m_##name[ClientID][i].m_ID == NetGuiElemID) \
+					m_##name[ClientID].remove_index(i); \
+			} \
+			break;
+
+
+	switch(Type)
+	{
+		// auto-generated remove handlers
+		#include <game/netguidefines.h>
+		#undef GUIDEFINE
+	}
+
+	SendNetGui(ClientID, Msg);
+}
+
+
+void CNetGui::DoUIRect(int ClientID, int NetGuiElemID, vec4 Dimensions, vec4 Color, int Corner, float Rounding)
+{
+	if(!m_NetGuiClients[ClientID])
+		return;
+
+	PREBUILD(UIRect);
+	Msg.m_Color[0] = Color.r;
+	Msg.m_Color[1] = Color.g;
+	Msg.m_Color[2] = Color.b;
+	Msg.m_Color[3] = Color.a;
+	Msg.m_Corner = Corner;
+	Msg.m_RoundingX10 = (int)(Rounding*10.0f);
+
+	m_UIRect[ClientID].add(Msg);
+
+	SendNetGui(ClientID, Msg);
+}
+
+void CNetGui::DoLabel(int ClientID, int NetGuiElemID, vec4 Dimensions, const char *pText, vec4 Color, int FontSize, int FontAlign, int MaxTextWidth)
+{
+	if(!m_NetGuiClients[ClientID])
+		return;
+
+	PREBUILD(Label);
+	Msg.m_Text = pText;
+	Msg.m_Color[0] = Color.r;
+	Msg.m_Color[1] = Color.g;
+	Msg.m_Color[2] = Color.b;
+	Msg.m_Color[3] = Color.a;
+	Msg.m_FontSize = FontSize;
+	Msg.m_FontAlign = FontAlign;
+	Msg.m_MaxTextWidth = MaxTextWidth;
+
+	m_Label[ClientID].add(Msg);
+
+	SendNetGui(ClientID, Msg);
+}
+
+void CNetGui::DoButtonMenu(int ClientID, int NetGuiElemID, vec4 Dimensions, const char *pText, bool Selected)
+{
+	if(!m_NetGuiClients[ClientID])
+		return;
+
+	PREBUILD(ButtonMenu);
+	Msg.m_Text = pText;
+	Msg.m_Selected = Selected ? 1 : 0;
+
+	m_ButtonMenu[ClientID].add(Msg);
+
+	SendNetGui(ClientID, Msg);
+}
+
+void CNetGui::DoEditBox(int ClientID, int NetGuiElemID, vec4 Dimensions, const char *pTitle, int SplitValue, int MaxTextWidth, bool Password)
+{
+	if(!m_NetGuiClients[ClientID])
+		return;
+
+	PREBUILD(EditBox);
+	Msg.m_Title = pTitle;
+	Msg.m_SplitValue = SplitValue;
+	Msg.m_MaxTextWidth = MaxTextWidth;
+	Msg.m_Password = Password ? 1 : 0;
+
+	m_EditBox[ClientID].add(Msg);
+
+	SendNetGui(ClientID, Msg);
+}
+
+void CNetGui::DoCheckBox(int ClientID, int NetGuiElemID, vec4 Dimensions, const char *pText, bool Checked)
+{
+	if(!m_NetGuiClients[ClientID])
+		return;
+
+	PREBUILD(CheckBox);
+	Msg.m_Text = pText;
+	Msg.m_Checked = Checked ? 1 : 0;
+
+	m_CheckBox[ClientID].add(Msg);
+
+	SendNetGui(ClientID, Msg);
+}
+
+void CNetGui::DoCheckBoxNumber(int ClientID, int NetGuiElemID, vec4 Dimensions, const char *pText, int MinValue, int MaxValue, int StepValue)
+{
+	if(!m_NetGuiClients[ClientID])
+		return;
+
+	PREBUILD(CheckBoxNumber);
+	Msg.m_Text = pText;
+	Msg.m_Value = MinValue;
+	Msg.m_MinValue = MinValue;
+	Msg.m_MaxValue = MaxValue;
+	Msg.m_StepValue = StepValue;
+
+	m_CheckBoxNumber[ClientID].add(Msg);
+
+	SendNetGui(ClientID, Msg);
+}
+
+void CNetGui::DoScrollbar(int ClientID, int NetGuiElemID, vec4 Dimensions, bool Vertical)
+{
+	if(!m_NetGuiClients[ClientID])
+		return;
+
+	PREBUILD(Scrollbar);
+	Msg.m_Vertical = Vertical ? 1 : 0;
+
+	m_Scrollbar[ClientID].add(Msg);
+
+	SendNetGui(ClientID, Msg);
+}
+
+void CNetGui::DoScrollbarOption(int ClientID, int NetGuiElemID, vec4 Dimensions, const char *pText, float VSplitVal, int Min, int Max, bool Infinite)
+{
+	if(!m_NetGuiClients[ClientID])
+			return;
+
+	PREBUILD(ScrollbarOption);
+	Msg.m_Text = pText;
+	Msg.m_VSplitValX10 = (int)(VSplitVal*10.0f);
+	Msg.m_MinValue = Min;
+	Msg.m_MaxValue = Max;
+	Msg.m_Infinite = Infinite ? 1 : 0;
+
+	m_ScrollbarOption[ClientID].add(Msg);
+
+	SendNetGui(ClientID, Msg);
+}
+
+void CNetGui::DoInfoBox(int ClientID, int NetGuiElemID, vec4 Dimensions, const char *pLabel, const char* pValue)
+{
+	if(!m_NetGuiClients[ClientID])
+		return;
+
+	PREBUILD(InfoBox);
+	Msg.m_Label = pLabel;
+	Msg.m_Value = pValue;
+
+	m_InfoBox[ClientID].add(Msg);
+
+	SendNetGui(ClientID, Msg);
+}
+
+void CNetGui::RequestData(int ClientID, int Type, int NetGuiElemID)
+{
+	if(!m_NetGuiClients[ClientID])
+		return;
+
+	CNetMsg_Sv_NetGui_RequestData Msg;
+	Msg.m_ID = NetGuiElemID;
+	Msg.m_Type = Type;
+	GameServer()->Server()->SendPackMsg(&Msg, MSGFLAG_VITAL, ClientID);
+}
+
+
+template<class T>
+void CNetGui::SendNetGui(int ClientID, T Msg)
+{
+	if(ClientID < 0)
+	{
+		for(int i = 0; i < MAX_CLIENTS; ++i)
+		{
+			if(!GameServer()->m_apPlayers[i])
+				continue;
+
+			GameServer()->Server()->SendPackMsg(&Msg, MSGFLAG_VITAL, i);
+		}
+	}
+	else
+		GameServer()->Server()->SendPackMsg(&Msg, MSGFLAG_VITAL, ClientID);
+}
diff --git a/src/game/server/netgui.h b/src/game/server/netgui.h
new file mode 100644
index 0000000..ddb4232
--- /dev/null
+++ b/src/game/server/netgui.h
@@ -0,0 +1,59 @@
+// Copyright (c) 2015 Henritees
+
+#ifndef GAME_SERVER_NETGUI_H
+#define GAME_SERVER_NETGUI_H
+
+#include <base/tl/array.h>
+#include <game/server/gamecontroller.h>
+#include <game/server/gamecontext.h>
+#include <engine/shared/protocol.h>
+#include <engine/server.h>
+
+#include "player.h"
+
+#define NETGUIMAGICNUMBER1 1883
+#define NETGUIMAGICNUMBER2 5397
+
+#define GUISET(name) void CreateGui_##name(int ClientID); void RemoveGui_##name(int ClientID);
+#define GUIDEFINE(name, netmsgname, args...) \
+		public: \
+			void Do##name(int ClientID, int NetGuiElemID, vec4 Dimensions, args); \
+		private: \
+			array<CNetMsg_Sv_NetGui_##name> m_##name[MAX_CLIENTS]; public:
+
+class CNetGui
+{
+	CGameContext *m_pGameServer;
+
+	// methods for managing sets of GUIs
+	GUISET(EmptyGui)
+
+public:
+	CNetGui(CGameContext *pGameServer) : m_pGameServer(pGameServer){}
+	void RemoveElement(int ClientID, int Type, int NetGuiElemID);
+
+	void OnClientEnter(int ClientID);
+	void OnClientDrop(int ClientID);
+	void OnClientCompatible(int ClientID);
+	void OnMessage(int MsgID, void *pRawMsg, int ClientID);
+
+	bool IsNetGuiClient(int ClientID) { return m_NetGuiClients[ClientID]; }
+
+	// // auto-generated declarations of functions
+	#include <game/netguidefines.h>
+	#undef GUIDEFINE
+
+protected:
+	CGameContext *GameServer() const { return m_pGameServer; }
+
+private:
+	bool m_NetGuiClients[MAX_CLIENTS]; // could have been put into CPlayer as well, but I want to keep stuff together
+
+	template<class T>
+	void SendNetGui(int ClientID, T Msg);
+	void RequestData(int ClientID, int Type, int NetGuiElemID);
+
+
+};
+
+#endif
diff --git a/src/game/version.h b/src/game/version.h
index e5640ee..14f3451 100644
--- a/src/game/version.h
+++ b/src/game/version.h
@@ -5,5 +5,6 @@
 #include <generated/nethash.cpp>
 #define GAME_VERSION "0.7 trunk"
 #define GAME_NETVERSION "0.7 " GAME_NETVERSION_HASH
+#define GAME_NETGUI_VERSION "0.7-0.1.b20151228"
 static const char GAME_RELEASE_VERSION[8] = {'0', '.', '6', '1', 0};
 #endif
-- 
2.5.0