From b37e52c9facd4c41183c016fd5c91f8829407766 Mon Sep 17 00:00:00 2001
From: LaG1924 <lag1924@gmail.com>
Date: Sun, 4 Jul 2021 17:21:50 +0500
Subject: Added basic Chat

---
 cwd/assets/altcraft/scripts/init.lua    | 34 +++++++++++++++++-
 cwd/assets/altcraft/scripts/ui.lua      | 17 +++++++++
 cwd/assets/altcraft/ui/chat-styles.rcss | 62 +++++++++++++++++++++++++++++++++
 cwd/assets/altcraft/ui/chat.rml         | 16 +++++++++
 src/GameState.cpp                       |  3 +-
 src/Plugin.cpp                          | 25 +++++++++++++
 src/Plugin.hpp                          |  3 ++
 src/Render.cpp                          | 12 ++-----
 src/Render.hpp                          |  1 -
 9 files changed, 160 insertions(+), 13 deletions(-)
 create mode 100644 cwd/assets/altcraft/ui/chat-styles.rcss
 create mode 100644 cwd/assets/altcraft/ui/chat.rml

diff --git a/cwd/assets/altcraft/scripts/init.lua b/cwd/assets/altcraft/scripts/init.lua
index e13fc81..b60a988 100644
--- a/cwd/assets/altcraft/scripts/init.lua
+++ b/cwd/assets/altcraft/scripts/init.lua
@@ -6,6 +6,7 @@ local plugin = {
 	onChangeState = nil,
 	onTick = nil,
 	onRequestBlockInfo = nil,
+	onChatMessage = nil,
 }
 
 function plugin.onLoad ()
@@ -17,6 +18,7 @@ function plugin.onLoad ()
 	con:LoadDocument("altcraft/ui/options")
 	con:LoadDocument("altcraft/ui/loading")
 	con:LoadDocument("altcraft/ui/respawn")
+	con:LoadDocument("altcraft/ui/chat")
 
 	uiMainMenu:Show()
 	AC.Settings.Load()
@@ -72,9 +74,39 @@ function plugin.onRequestBlockInfo(blockPos)
 	return blocks.GetBlockInfo(blockPos)
 end
 
+function plugin.onChatMessage(chat, pos)
+	local chatDoc = {}
+	for i,d in ipairs(rmlui.contexts["default"].documents) do
+		if d.title == "Chat" then
+			chatDoc = d
+		end
+    end
+
+	local msg = chat:ToPlainText()
+	msg = string.gsub(msg,'&','&amp;')
+	msg = string.gsub(msg,'<','&lt;')
+	msg = string.gsub(msg,'>','&gt;')
+	msg = string.gsub(msg,'""','&quot;')
+	msg = string.gsub(msg,"''",'&apos;')
+
+	local color = ""
+	if pos == 0 then
+		color = ""
+	elseif pos == 1 then
+		color = 'style="color: #BBBBBB"'
+	elseif pos == 2 then
+		color = 'style="color: maroon"'
+	else
+		color = 'style="color: navy"'
+	end
+
+	chatDoc:GetElementById('chat').inner_rml = chatDoc:GetElementById('chat').inner_rml .. string.format('<p class="chat-msg" %s>%s</p>', color, msg)
+	MoveChatToBottom = true
+end
+
 AC.RegisterDimension(0, Dimension.new("overworld", true))
 AC.RegisterDimension(-1, Dimension.new("the_nether", false))
 AC.RegisterDimension(1, Dimension.new("the_end", false))
 
 AC.RegisterPlugin(plugin)
-plugin = nil
\ No newline at end of file
+plugin = nil
diff --git a/cwd/assets/altcraft/scripts/ui.lua b/cwd/assets/altcraft/scripts/ui.lua
index 98f0fae..b938737 100644
--- a/cwd/assets/altcraft/scripts/ui.lua
+++ b/cwd/assets/altcraft/scripts/ui.lua
@@ -53,6 +53,16 @@ function ConnectToServer(doc)
 		doc:GetElementById('username'):GetAttribute('value'))
 end
 
+function SendChatMessage(doc)
+	local msg = doc:GetElementById("chat-input"):GetAttribute("value")
+	if msg == nil then
+		return
+	end
+	doc:GetElementById("chat-input"):SetAttribute("value", "")
+
+	AC.SendChatMessage(msg)
+end
+
 function OptionsDefaultHandler(event)
 	local input = event.current_element.previous_sibling
 	local id = input:GetAttribute("id")
@@ -85,14 +95,21 @@ end
 function UpdateUi()
 	local doc = {}
 	local uiDoc = {}
+	local chatDoc = {}
 	for i,d in ipairs(rmlui.contexts["default"].documents) do
 		if d.title == "Playing" then
 			doc = d
 		elseif d.title == "Options" then
 			uiDoc = d
+		elseif d.title == "Chat" then
+			chatDoc = d
 		end
     end
 
+	if MoveChatToBottom ~= nil and MoveChatToBottom == true then
+		chatDoc:GetElementById('chat').scroll_top = chatDoc:GetElementById('chat').scroll_height
+	end
+
 	if AC.GetGameState() and AC.GetGameState():GetPlayer() and AC.GetGameState():GetTimeStatus().worldAge > 0 then
 		local time = AC.GetTime()
 		local rawFps = 1.0 / time:GetRealDeltaS()
diff --git a/cwd/assets/altcraft/ui/chat-styles.rcss b/cwd/assets/altcraft/ui/chat-styles.rcss
new file mode 100644
index 0000000..91f5b81
--- /dev/null
+++ b/cwd/assets/altcraft/ui/chat-styles.rcss
@@ -0,0 +1,62 @@
+#body-chat {
+    
+}
+
+p {
+    display: block;
+}
+
+scrollbarvertical {
+    background-color: #2c2c2c55;
+    width: 3vh;
+    left: 0;
+}
+
+scrollbarvertical sliderbar {
+    height: 10vh;
+    background-color: #9c9c9c55;
+}
+
+scrollbarvertical sliderbar:active {
+    background-color: #cfd69d;
+}
+
+scrollbarvertical sliderarrowdec {
+    display: none;
+}
+
+scrollbarvertical sliderarrowinc {
+    display: none;
+}
+
+#chat {
+    background-color: #00000055;
+    width: 80%;
+    height: 70%;
+    position: fixed;
+    bottom: 10%;
+    left: 0;
+    text-align: left;
+    overflow-y: auto;
+}
+
+.chat-msg {
+    font-size: 5vh;
+    bottom: 0%;
+}
+
+#chat-input {
+    width: 90%;
+}
+
+#chat-send {
+    margin: 0.25%;
+}
+
+#chat-footer {
+    position: fixed;
+    display: block;
+    bottom: 0;
+    width: 100%;
+    left: 0;
+}
diff --git a/cwd/assets/altcraft/ui/chat.rml b/cwd/assets/altcraft/ui/chat.rml
new file mode 100644
index 0000000..8634450
--- /dev/null
+++ b/cwd/assets/altcraft/ui/chat.rml
@@ -0,0 +1,16 @@
+<rml>
+    <head>
+        <link type="text/rcss" href="mc-styles" />
+        <link type="text/rcss" href="chat-styles" />
+        <script src="/altcraft/scripts/ui"></script>
+        <title>Chat</title>
+    </head>
+    <body class="body-chat">
+        <div id="chat">
+        </div>
+        <div id="chat-footer">
+            <input type="text" id="chat-input" class="mc-text" onkeydown="if event.parameters.key_identifier == 72 then SendChatMessage(document) end" />
+            <button id="chat-send" class="mc-button" onclick="SendChatMessage(document)">Send</button>
+        </div>
+    </body>
+</rml>
diff --git a/src/GameState.cpp b/src/GameState.cpp
index 50a9004..89743e4 100644
--- a/src/GameState.cpp
+++ b/src/GameState.cpp
@@ -7,6 +7,7 @@
 #include "Event.hpp"
 #include "Packet.hpp"
 #include "Game.hpp"
+#include "Plugin.hpp"
 
 void GameState::Update(double deltaTime) {
 	OPTICK_EVENT();
@@ -168,7 +169,7 @@ void GameState::UpdatePacket(std::shared_ptr<Packet> ptr) {
 		case ChatMessageCB: {
 			auto packet = std::static_pointer_cast<PacketChatMessageCB>(ptr);
 			LOG(INFO) << "Message (" << int(packet->Position) << "): " << packet->JsonData.ToPlainText();
-			PUSH_EVENT("ChatMessageReceived", std::make_tuple(packet->JsonData, packet->Position));
+			PluginSystem::CallOnChatMessage(packet->JsonData, packet->Position);
 			break;
 		}
 
diff --git a/src/Plugin.cpp b/src/Plugin.cpp
index 64fc00b..98df8c3 100644
--- a/src/Plugin.cpp
+++ b/src/Plugin.cpp
@@ -12,6 +12,7 @@
 #include "AssetManager.hpp"
 #include "Settings.hpp"
 #include "DebugInfo.hpp"
+#include "Chat.hpp"
 
 
 struct Plugin {
@@ -23,6 +24,7 @@ struct Plugin {
 	const std::function<void(std::string)> onChangeState;
 	const std::function<void(double)> onTick;
 	const std::function<BlockInfo(Vector)> onRequestBlockInfo;
+	const std::function<void(Chat, int)> onChatMessage;
 };
 
 
@@ -42,6 +44,7 @@ namespace PluginApi {
 				plugin["onChangeState"].get_or(std::function<void(std::string)>()),
 				plugin["onTick"].get_or(std::function<void(double)>()),
 				plugin["onRequestBlockInfo"].get_or(std::function<BlockInfo(Vector)>()),
+				plugin["onChatMessage"].get_or(std::function<void(Chat, int)>()),
 		};
 		plugins.push_back(nativePlugin);
 		LOG(INFO)<<"Loading plugin " << (!nativePlugin.displayName.empty() ? nativePlugin.displayName : nativePlugin.name);
@@ -128,6 +131,10 @@ namespace PluginApi {
 			return 0;
 		}
 	}
+
+	void SendChatMessage(const std::string& msg) {
+		PUSH_EVENT("SendChatMessage", msg);
+	}
 }
 
 int LoadFileRequire(lua_State* L) {
@@ -265,6 +272,9 @@ void PluginSystem::Init() {
 		"GetDeltaS", &LoopExecutionTimeController::GetDeltaS,
 		"GetRealDeltaS", &LoopExecutionTimeController::GetRealDeltaS);
 
+	lua.new_usertype<Chat>("Chat",
+		"ToPlainText", &Chat::ToPlainText);
+
 	sol::table apiTable = lua["AC"].get_or_create<sol::table>();
 	sol::table apiSettings = lua["AC"]["Settings"].get_or_create<sol::table>();
 
@@ -293,6 +303,7 @@ void PluginSystem::Init() {
 	apiTable["GetTime"] = GetTime;
 	apiTable["GetBlockInfo"] = GetBlockInfo;
 	apiTable["GetDebugValue"] = PluginApi::GetDebugValue;
+	apiTable["SendChatMessage"] = PluginApi::SendChatMessage;
 }
 
 lua_State* PluginSystem::GetLuaState() {
@@ -356,3 +367,17 @@ BlockInfo PluginSystem::RequestBlockInfo(Vector blockPos) {
 	}
 	return ret;
 }
+
+void PluginSystem::CallOnChatMessage(const Chat& chat, int position) {
+	OPTICK_EVENT();
+	for (Plugin& plugin : plugins) {
+		if (plugin.onRequestBlockInfo && plugin.errors < 10)
+			try {
+				plugin.onChatMessage(chat, position);
+			}
+			catch (sol::error& e) {
+				LOG(ERROR) << e.what();
+				plugin.errors++;
+			}
+	}
+}
diff --git a/src/Plugin.hpp b/src/Plugin.hpp
index 7af27a4..13b126e 100644
--- a/src/Plugin.hpp
+++ b/src/Plugin.hpp
@@ -6,6 +6,7 @@
 
 class BlockInfo;
 struct lua_State;
+class Chat;
 
 namespace PluginSystem {
 	void Init();
@@ -19,4 +20,6 @@ namespace PluginSystem {
 	void CallOnTick(double deltaTime);
 
 	BlockInfo RequestBlockInfo(Vector blockPos);
+
+	void CallOnChatMessage(const Chat& chat, int position);
 }
\ No newline at end of file
diff --git a/src/Render.cpp b/src/Render.cpp
index a76bba7..3bf1e6b 100644
--- a/src/Render.cpp
+++ b/src/Render.cpp
@@ -29,7 +29,8 @@ const std::map<SDL_Keycode, Rml::Input::KeyIdentifier> keyMapping = {
     {SDLK_RIGHT, Rml::Input::KI_RIGHT},
     {SDLK_UP, Rml::Input::KI_UP},
     {SDLK_DOWN, Rml::Input::KI_DOWN},
-    {SDLK_TAB, Rml::Input::KI_TAB}
+    {SDLK_TAB, Rml::Input::KI_TAB},
+    {SDLK_RETURN, Rml::Input::KI_RETURN}
 };
 
 inline int ConvertKeymodsSdlToRml(unsigned short keyMods) {
@@ -288,9 +289,6 @@ void Render::HandleEvents() {
                         if (state == State::Playing) {
                             SetState(State::Chat);
                         }
-                        else if (state == State::Chat) {
-                            SetState(State::Playing);
-                        }
                         break;
                     }
 
@@ -477,12 +475,6 @@ void Render::InitEvents() {
         SetState(State::Loading);
     });
 
-    listener.RegisterHandler("ChatMessageReceived", [this](const Event& eventData) {
-        auto data = eventData.get<std::tuple<Chat, unsigned char>>();
-        std::string msg = "(" + std::to_string((int)std::get<1>(data)) + ") " + (std::get<0>(data).ToPlainText());
-        chatMessages.push_back(msg);
-    });
-
     listener.RegisterHandler("StateUpdated", [this](const Event& eventData) {
         switch (GetState()) {
             case State::Playing:
diff --git a/src/Render.hpp b/src/Render.hpp
index 4f993c3..b8963c7 100644
--- a/src/Render.hpp
+++ b/src/Render.hpp
@@ -37,7 +37,6 @@ class Render {
     float sensetivity = 0.1f;
     bool isWireframe = false;	
 	std::unique_ptr<Framebuffer> framebuffer;
-    std::vector<std::string> chatMessages;
 	EventListener listener;
     std::string stateString;
 	std::unique_ptr<RmlRenderInterface> rmlRender;
-- 
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