Chat and commands (Fixes #55)

client/include/gui/Text.hpp

@@ -25,6 +25,7 @@
 
 #include <string>
 
+#include <gk/graphics/RectangleShape.hpp>
 #include <gk/graphics/Sprite.hpp>
 
 class Text : public gk::Drawable, public gk::Transformable {
@@ -39,6 +40,13 @@ class Text : public gk::Drawable, public gk::Transformable {
 
 		const gk::Vector2i &getSize() const { return m_size; }
 
+		void setBackgroundColor(const gk::Color &color) { m_background.setFillColor(color); }
+		void setBackgroundSize(unsigned int width, unsigned int height) { m_background.setSize(width, height); }
+
+		void setPadding(int x, int y) { m_padding.x = x; m_padding.y = y; updateTextSprites(); }
+
+		void setMaxLineLength(unsigned int maxLineLength) { m_maxLineLength = maxLineLength; updateTextSprites(); }
+
 	private:
 		void draw(gk::RenderTarget &target, gk::RenderStates states) const override;
 
@@ -54,8 +62,13 @@ class Text : public gk::Drawable, public gk::Transformable {
 		gk::VertexBuffer m_vbo;
 
 		gk::Vector2i m_size;
+		gk::Vector2i m_padding{0, 0};
 
 		gk::Color m_color = gk::Color::White;
+
+		gk::RectangleShape m_background;
+
+		unsigned int m_maxLineLength = 0;
 };
 
 #endif // TEXT_HPP_

client/include/gui/TextInput.hpp

@@ -0,0 +1,53 @@
+/*
+ * =====================================================================================
+ *
+ *  OpenMiner
+ *  Copyright (C) 2018-2020 Unarelith, Quentin Bazin <[email protected]>
+ *
+ *  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
+ *
+ * =====================================================================================
+ */
+#ifndef TEXTINPUT_HPP_
+#define TEXTINPUT_HPP_
+
+#include <gk/core/SDLHeaders.hpp>
+
+#include "Text.hpp"
+
+class TextInput : public gk::Drawable, public gk::Transformable {
+	public:
+		TextInput();
+
+		void onEvent(const SDL_Event &event);
+
+		const std::string &text() const { return m_content; }
+
+		void setBackgroundColor(const gk::Color &color) { m_text.setBackgroundColor(color); }
+		void setBackgroundSize(unsigned int width, unsigned int height) { m_text.setBackgroundSize(width, height); }
+
+		void setPadding(int x, int y) { m_text.setPadding(x, y); }
+
+	private:
+		void draw(gk::RenderTarget &target, gk::RenderStates states) const override;
+
+		Text m_text;
+		std::string m_content;
+		char m_cursor = '_';
+
+		u16 m_characterLimit = 0;
+};
+
+#endif // TEXTINPUT_HPP_

client/include/hud/Chat.hpp

@@ -0,0 +1,46 @@
+/*
+ * =====================================================================================
+ *
+ *  OpenMiner
+ *  Copyright (C) 2018-2020 Unarelith, Quentin Bazin <[email protected]>
+ *
+ *  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
+ *
+ * =====================================================================================
+ */
+#ifndef CHAT_HPP_
+#define CHAT_HPP_
+
+#include <deque>
+
+#include "ChatMessage.hpp"
+
+class Client;
+
+class Chat : public gk::Drawable, public gk::Transformable {
+	public:
+		Chat(Client &client);
+
+		void setMessageVisibility(bool areMessagesVisible);
+
+	private:
+		void draw(gk::RenderTarget &target, gk::RenderStates states) const override;
+
+		std::deque<ChatMessage> m_chatMessages;
+
+		u32 m_posY = 0;
+};
+
+#endif // CHAT_HPP_

client/include/hud/ChatMessage.hpp

@@ -0,0 +1,46 @@
+/*
+ * =====================================================================================
+ *
+ *  OpenMiner
+ *  Copyright (C) 2018-2020 Unarelith, Quentin Bazin <[email protected]>
+ *
+ *  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
+ *
+ * =====================================================================================
+ */
+#ifndef CHATMESSAGE_HPP_
+#define CHATMESSAGE_HPP_
+
+#include "Text.hpp"
+
+class ChatMessage : public gk::Drawable, public gk::Transformable {
+	public:
+		ChatMessage(u16 clientID, const std::string &message, u32 posY);
+
+		void setVisible(bool isVisible) { m_isVisible = isVisible; }
+
+		const Text &text() const { return m_text; }
+
+	private:
+		void draw(gk::RenderTarget &target, gk::RenderStates states) const override;
+
+		Text m_text;
+
+		gk::Timer m_timer;
+
+		bool m_isVisible = false;
+};
+
+#endif // CHATMESSAGE_HPP_

client/include/hud/HUD.hpp

@@ -27,6 +27,7 @@
 
 #include "BlockCursor.hpp"
 #include "BlockInfoWidget.hpp"
+#include "Chat.hpp"
 #include "Crosshair.hpp"
 #include "DebugOverlay.hpp"
 #include "Hotbar.hpp"
@@ -41,6 +42,8 @@ class HUD : public gk::Transformable, public gk::Drawable {
 
 		void update();
 
+		Chat &chat() { return m_chat; }
+
 	private:
 		void draw(gk::RenderTarget &target, gk::RenderStates states) const override;
 
@@ -58,6 +61,8 @@ class HUD : public gk::Transformable, public gk::Drawable {
 		BlockInfoWidget m_blockInfoWidget;
 
 		Text m_fpsText;
+
+		Chat m_chat;
 };
 
 #endif // HUD_HPP_

client/include/network/ClientCommandHandler.hpp

@@ -48,9 +48,12 @@ class ClientCommandHandler {
 		void sendBlockActivated(const glm::ivec4 &selectedBlock);
 		void sendBlockInvUpdate(Inventory &inventory);
 		void sendChunkRequest(s32 chunkX, s32 chunkY, s32 chunkZ);
+		void sendChatMessage(const std::string &message);
 
 		void setupCallbacks();
 
+		Client &client() { return m_client; }
+
 		bool isRegistryInitialized() const { return m_isRegistryInitialized; }
 
 	private:

client/include/states/ChatState.hpp

@@ -0,0 +1,52 @@
+/*
+ * =====================================================================================
+ *
+ *  OpenMiner
+ *  Copyright (C) 2018-2020 Unarelith, Quentin Bazin <[email protected]>
+ *
+ *  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
+ *
+ * =====================================================================================
+ */
+#ifndef CHATSTATE_HPP_
+#define CHATSTATE_HPP_
+
+#include "InterfaceState.hpp"
+#include "TextInput.hpp"
+
+class ClientCommandHandler;
+class Chat;
+
+class ChatState : public InterfaceState {
+	public:
+		ChatState(ClientCommandHandler &clientCommandHandler, Chat &chat, gk::ApplicationState *parent = nullptr);
+
+		void updateTextInputGeometry();
+
+		void onEvent(const SDL_Event &event) override;
+
+		void update() override;
+
+	private:
+		void draw(gk::RenderTarget &target, gk::RenderStates states) const override;
+
+		TextInput m_textInput;
+
+		ClientCommandHandler &m_clientCommandHandler;
+
+		Chat &m_chat;
+};
+
+#endif // CHATSTATE_HPP_

client/include/states/InterfaceState.hpp

@@ -37,6 +37,8 @@ class InterfaceState : public gk::ApplicationState {
 
 		void prepareDraw(gk::RenderTarget &target, gk::RenderStates &states) const;
 
+		bool m_drawBackground = true;
+
 	private:
 		gk::Shader m_shader;
 		// gk::View m_view;

client/include/world/ClientPlayer.hpp

@@ -66,6 +66,8 @@ class ClientPlayer : public Player {
 		float y() const { return m_y; }
 		float z() const { return m_z; }
 
+		void setPosition(float x, float y, float z);
+
 		const gk::Camera &camera() { return m_camera; }
 
 	private:

client/source/gui/Text.cpp

@@ -27,6 +27,8 @@
 #include "Text.hpp"
 
 Text::Text() : m_texture(gk::ResourceHandler::getInstance().get<gk::Texture>("texture-font")) {
+	m_background.setFillColor(gk::Color::Transparent);
+
 	updateCharWidth();
 }
 
@@ -47,6 +49,10 @@ void Text::setColor(const gk::Color &color) {
 void Text::draw(gk::RenderTarget &target, gk::RenderStates states) const {
 	states.transform *= getTransform();
 
+	target.draw(m_background, states);
+
+	states.transform.translate(m_padding.x, m_padding.y);
+
 	for(const gk::Sprite &sprite : m_textSprites) {
 		target.draw(sprite, states);
 	}
@@ -56,12 +62,12 @@ void Text::draw(gk::RenderTarget &target, gk::RenderStates states) const {
 void Text::updateTextSprites() {
 	m_textSprites.clear();
 
-	int x = 0;
-	int y = 0;
-	int maxX = 0;
+	unsigned int x = 0;
+	unsigned int y = 0;
+	unsigned int maxX = 0;
 	gk::Color color = gk::Color{70, 70, 70, 255};
 	for(char c : m_text) {
-		if (c == '\n') {
+		if (c == '\n' || (m_maxLineLength && x + m_charWidth[(u8)c] >= m_maxLineLength)) {
 			y += 9;
 			x = 0;
 			continue;
@@ -78,7 +84,7 @@ void Text::updateTextSprites() {
 	y = 0;
 	color = m_color;
 	for(char c : m_text) {
-		if (c == '\n') {
+		if (c == '\n' || (m_maxLineLength && x + m_charWidth[(u8)c] >= m_maxLineLength)) {
 			maxX = std::max(x, maxX);
 			y += 9;
 			x = 0;
@@ -96,7 +102,12 @@ void Text::updateTextSprites() {
 	}
 
 	m_size.x = std::max(x, maxX);
-	m_size.y = 8 + y * 9;
+	m_size.y = y + 9;
+
+	unsigned int backgroundX = std::max<int>(m_background.getSize().x, m_size.x + m_padding.x);
+	unsigned int backgroundY = std::max<int>(m_background.getSize().y, m_size.y + m_padding.y);
+
+	m_background.setSize(backgroundX, backgroundY);
 }
 
 // FIXME: Since I use the font from Minecraft assets, I needed to use