Assets: Add text entity to example scene1.json

.gitmodules

@@ -16,6 +16,6 @@
 [submodule "inferno/vendor/stb/stb"]
 	path = vendor/stb/stb
 	url = https://github.com/nothings/stb
-[submodule "vendor/ruc"]
+[submodule "inferno/vendor/ruc"]
 	path = vendor/ruc
 	url = https://github.com/Riyyi/ruc

CMakeLists.txt

@@ -69,10 +69,7 @@ add_subdirectory("src")
 # ------------------------------------------
 # Assets target
 
-add_custom_target(${ENGINE}-assets
-	COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/copy-assets.cmake
-	WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
-add_dependencies(${ENGINE} ${ENGINE}-assets)
+add_subdirectory("assets")
 
 # ------------------------------------------
 # Examples target

assets/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_custom_target(${ENGINE}-assets
+	COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/../cmake/copy-assets.cmake
+	WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
+add_dependencies(${ENGINE} ${ENGINE}-assets)

assets/fnt/LICENSE

@@ -0,0 +1,87 @@
+SIL OPEN FONT LICENSE
+Version 1.1, 26 February 2007
+
+Copyright (C) 2010-2023 Steve Matteson
+
+PREAMBLE
+
+The goals of the Open Font License (OFL) are to stimulate worldwide development
+of collaborative font projects, to support the font creation efforts of academic
+and linguistic communities, and to provide a free and open framework in which
+fonts may be shared and improved in partnership with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The fonts,
+including any derivative works, can be bundled, embedded, redistributed and/or
+sold with any software provided that any reserved names are not used by
+derivative works. The fonts and derivatives, however, cannot be released under
+any other type of license. The requirement for fonts to remain under this
+license does not apply to any document created using the fonts or their
+derivatives.
+
+DEFINITIONS
+
+"Font Software" refers to the set of files released by the Copyright Holder(s)
+under this license and clearly marked as such. This may include source files,
+build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the copyright
+statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting, or
+substituting – in part or in whole – any of the components of the Original
+Version, by changing formats or by porting the Font Software to a new
+environment.
+
+"Author" refers to any designer, engineer, programmer, technical writer or other
+person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+the Font Software, to use, study, copy, merge, embed, modify, redistribute, and
+sell modified and unmodified copies of the Font Software, subject to the
+following conditions:
+
+    Neither the Font Software nor any of its individual components, in Original
+    or Modified Versions, may be sold by itself.
+
+    Original or Modified Versions of the Font Software may be bundled,
+    redistributed and/or sold with any software, provided that each copy
+    contains the above copyright notice and this license. These can be included
+    either as stand-alone text files, human-readable headers or in the
+    appropriate machine-readable metadata fields within text or binary files as
+    long as those fields can be easily viewed by the user.
+
+    No Modified Version of the Font Software may use the Reserved Font Name(s)
+    unless explicit written permission is granted by the corresponding Copyright
+    Holder. This restriction only applies to the primary font name as presented
+    to the users.
+
+    The name(s) of the Copyright Holder(s) or the Author(s) of the Font Software
+    shall not be used to promote, endorse or advertise any Modified Version,
+    except to acknowledge the contribution(s) of the Copyright Holder(s) and the
+    Author(s) or with their explicit written permission.
+
+    The Font Software, modified or unmodified, in part or in whole, must be
+    distributed entirely under this license, and must not be distributed under
+    any other license. The requirement for fonts to remain under this license
+    does not apply to any document created using the Font Software.
+
+TERMINATION
+
+This license becomes null and void if any of the above conditions are not met.
+
+DISCLAIMER
+
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR
+OTHER RIGHT. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT,
+INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR
+FROM OTHER DEALINGS IN THE FONT SOFTWARE.

assets/fnt/open-sans.fnt

@@ -0,0 +1,415 @@
+info face="Open Sans Regular" size=62 bold=0 italic=0 charset="" unicode=0 stretchH=100 smooth=1 aa=1 padding=8,8,8,8 spacing=-2,-20
+common lineHeight=82 base=67 scaleW=512 scaleH=512 pages=1 packed=0
+page id=0 file="open-sans.png"
+chars count=97
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+kerning first=81 second=90 amount=-1
+kerning first=76 second=89 amount=-2
+kerning first=89 second=79 amount=-1
+kerning first=98 second=119 amount=-1
+kerning first=39 second=111 amount=-4
+kerning first=76 second=34 amount=-5
+kerning first=34 second=110 amount=-2
+kerning first=66 second=87 amount=-1
+kerning first=114 second=97 amount=-1
+kerning first=89 second=113 amount=-3
+kerning first=84 second=112 amount=-3
+kerning first=116 second=34 amount=1
+kerning first=87 second=100 amount=-1
+kerning first=34 second=89 amount=1
+kerning first=99 second=39 amount=1
+kerning first=111 second=122 amount=-1
+kerning first=112 second=118 amount=-1
+kerning first=79 second=90 amount=-1
+kerning first=101 second=120 amount=-1
+kerning first=87 second=79 amount=-1
+kerning first=76 second=81 amount=-1
+kerning first=89 second=71 amount=-1
+kerning first=39 second=103 amount=-2
+kerning first=86 second=117 amount=-1
+kerning first=90 second=67 amount=-1
+kerning first=87 second=113 amount=-1
+kerning first=118 second=39 amount=2
+kerning first=80 second=65 amount=-3
+kerning first=114 second=34 amount=2
+kerning first=123 second=74 amount=6
+kerning first=70 second=63 amount=1
+kerning first=97 second=39 amount=-1
+kerning first=80 second=44 amount=-8
+kerning first=76 second=39 amount=-5
+kerning first=34 second=115 amount=-2
+kerning first=120 second=99 amount=-1
+kerning first=87 second=71 amount=-1
+kerning first=68 second=84 amount=-2
+kerning first=84 second=117 amount=-3
+kerning first=88 second=67 amount=-1
+kerning first=89 second=63 amount=1
+kerning first=86 second=109 amount=-1
+kerning first=116 second=39 amount=1
+kerning first=67 second=67 amount=-1
+kerning first=89 second=97 amount=-3
+kerning first=112 second=34 amount=-1
+kerning first=46 second=67 amount=-3
+kerning first=81 second=87 amount=-1
+kerning first=76 second=86 amount=-1
+kerning first=66 second=84 amount=-2
+kerning first=107 second=101 amount=-1
+kerning first=86 second=67 amount=-1
+kerning first=118 second=44 amount=-2
+kerning first=89 second=110 amount=-2
+kerning first=87 second=63 amount=1
+kerning first=84 second=109 amount=-3
+kerning first=114 second=39 amount=2
+kerning first=45 second=84 amount=-2
+kerning first=39 second=87 amount=1
+kerning first=86 second=101 amount=-1
+kerning first=65 second=67 amount=-1
+kerning first=87 second=97 amount=-1
+kerning first=110 second=34 amount=-1
+kerning first=34 second=86 amount=1
+kerning first=86 second=46 amount=-3
+kerning first=111 second=119 amount=-1
+kerning first=44 second=67 amount=-3
+kerning first=79 second=87 amount=-1
+kerning first=68 second=89 amount=-1
+kerning first=34 second=65 amount=-4
+kerning first=84 second=122 amount=-2
+kerning first=39 second=100 amount=-4
+kerning first=86 second=114 amount=-1
+kerning first=84 second=67 amount=-1
+kerning first=87 second=110 amount=-1
+kerning first=34 second=99 amount=-4
+kerning first=112 second=39 amount=-1
+kerning first=84 second=101 amount=-4
+kerning first=84 second=46 amount=-4
+kerning first=89 second=81 amount=-1
+kerning first=98 second=121 amount=-1
+kerning first=39 second=113 amount=-4
+kerning first=34 second=112 amount=-2
+kerning first=66 second=89 amount=-1
+kerning first=114 second=99 amount=-1
+kerning first=89 second=115 amount=-2
+kerning first=84 second=114 amount=-3
+kerning first=46 second=85 amount=-1
+kerning first=110 second=39 amount=-1
+kerning first=112 second=120 amount=-1
+kerning first=101 second=122 amount=-1
+kerning first=80 second=88 amount=-1
+kerning first=87 second=81 amount=-1
+kerning first=81 second=84 amount=-2
+kerning first=87 second=115 amount=-1
+kerning first=44 second=85 amount=-1
+kerning first=70 second=65 amount=-1
+kerning first=39 second=84 amount=1
+kerning first=104 second=34 amount=-1
+kerning first=80 second=46 amount=-8
+kerning first=121 second=63 amount=1
+kerning first=34 second=117 amount=-2
+kerning first=70 second=44 amount=-4
+kerning first=79 second=84 amount=-2
+kerning first=107 second=111 amount=-1
+kerning first=120 second=101 amount=-1
+kerning first=68 second=86 amount=-1
+kerning first=75 second=79 amount=-1
+kerning first=84 second=119 amount=-1
+kerning first=89 second=65 amount=-4
+kerning first=39 second=97 amount=-2
+kerning first=86 second=111 amount=-1
+kerning first=89 second=99 amount=-3
+kerning first=68 second=65 amount=-1
+kerning first=89 second=44 amount=-4
+kerning first=102 second=34 amount=4
+kerning first=119 second=63 amount=1
+kerning first=81 second=89 amount=-1
+kerning first=98 second=118 amount=-1
+kerning first=68 second=44 amount=-2
+kerning first=39 second=110 amount=-2
+kerning first=34 second=109 amount=-2
+kerning first=66 second=86 amount=-1
+kerning first=118 second=46 amount=-2
+kerning first=89 second=112 amount=-2
+kerning first=87 second=65 amount=-2
+kerning first=75 second=71 amount=-1
+kerning first=84 second=111 amount=-4
+kerning first=69 second=74 amount=4
+kerning first=76 second=67 amount=-1
+kerning first=121 second=34 amount=2
+kerning first=39 second=89 amount=1
+kerning first=86 second=103 amount=-1
+kerning first=87 second=99 amount=-1
+kerning first=104 second=39 amount=-1
+kerning first=66 second=65 amount=-1
+kerning first=87 second=44 amount=-3
+kerning first=111 second=121 amount=-1
+kerning first=79 second=89 amount=-1
+kerning first=101 second=119 amount=-1
+kerning first=66 second=44 amount=-2
+kerning first=87 second=112 amount=-1
+kerning first=34 second=101 amount=-4
+kerning first=85 second=65 amount=-1
+kerning first=119 second=34 amount=2
+kerning first=84 second=103 amount=-4
+kerning first=102 second=39 amount=4
+kerning first=85 second=44 amount=-1
+kerning first=98 second=34 amount=-1
+kerning first=39 second=115 amount=-2
+kerning first=90 second=79 amount=-1
+kerning first=34 second=114 amount=-2
+kerning first=114 second=101 amount=-1
+kerning first=89 second=117 amount=-2
+kerning first=121 second=39 amount=2
+kerning first=65 second=74 amount=8
+kerning first=46 second=87 amount=-4
+kerning first=112 second=122 amount=-1
+kerning first=120 second=111 amount=-1
+kerning first=80 second=90 amount=-1
+kerning first=81 second=86 amount=-1
+kerning first=88 second=79 amount=-1
+kerning first=76 second=85 amount=-1
+kerning first=90 second=71 amount=-1
+kerning first=65 second=87 amount=-2
+kerning first=87 second=117 amount=-1
+kerning first=107 second=100 amount=-1
+kerning first=67 second=79 amount=-1
+kerning first=89 second=109 amount=-2
+kerning first=119 second=39 amount=2
+kerning first=81 second=65 amount=-1
+kerning first=44 second=87 amount=-4
+kerning first=39 second=86 amount=1
+kerning first=86 second=100 amount=-1
+kerning first=46 second=79 amount=-3
+kerning first=98 second=39 amount=-1
+kerning first=111 second=118 amount=-1
+kerning first=81 second=44 amount=-2

assets/scene/scene1.json

@@ -36,5 +36,15 @@
 			"color": [ 1.0, 1.0, 1.0, 1.0 ],
 			"texture": "assets/gfx/test-inverted.png"
 		}
+	],
+	"text": [
+		{
+			"name": "Text",
+			"content": "Hello World!",
+			"font": "assets/fnt/open-sans",
+			"font-size": 10,
+			"width": 150,
+			"lines": 3
+		}
 	]
 }

example/src/cameracontroller.cpp

@@ -10,9 +10,10 @@
 #include "inferno/component/transformcomponent.h"
 #include "inferno/io/input.h"
 #include "inferno/keycodes.h"
-#include "inferno/script/cameracontroller.h"
 
-namespace Inferno {
+#include "cameracontroller.h"
+
+namespace example {
 
 void CameraController::updateOrthographic(float deltaTime)
 {
@@ -20,10 +21,10 @@ void CameraController::updateOrthographic(float deltaTime)
 
 	float cameraRotateSpeed = ROTATE_SPEED * deltaTime;
 
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_Q"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_Q"))) {
 		transform->rotate.z -= cameraRotateSpeed;
 	}
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_E"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_E"))) {
 		transform->rotate.z += cameraRotateSpeed;
 	}
 
@@ -39,19 +40,19 @@ void CameraController::updateOrthographic(float deltaTime)
 	float cameraTranslateSpeed = TRANSLATE_SPEED * deltaTime;
 
 	// WASD movement
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_W"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_W"))) {
 		transform->translate.x += -sin(glm::radians(transform->rotate.z)) * cameraTranslateSpeed;
 		transform->translate.y += cos(glm::radians(transform->rotate.z)) * cameraTranslateSpeed;
 	}
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_S"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_S"))) {
 		transform->translate.x -= -sin(glm::radians(transform->rotate.z)) * cameraTranslateSpeed;
 		transform->translate.y -= cos(glm::radians(transform->rotate.z)) * cameraTranslateSpeed;
 	}
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_A"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_A"))) {
 		transform->translate.x -= cos(glm::radians(transform->rotate.z)) * cameraTranslateSpeed;
 		transform->translate.y -= sin(glm::radians(transform->rotate.z)) * cameraTranslateSpeed;
 	}
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_D"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_D"))) {
 		transform->translate.x += cos(glm::radians(transform->rotate.z)) * cameraTranslateSpeed;
 		transform->translate.y += sin(glm::radians(transform->rotate.z)) * cameraTranslateSpeed;
 	}
@@ -60,10 +61,10 @@ void CameraController::updateOrthographic(float deltaTime)
 
 	float zoomSpeed = ZOOM_SENSITIVITY * deltaTime;
 
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_EQUAL"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_EQUAL"))) {
 		m_camera->zoomLevel -= zoomSpeed;
 	}
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_MINUS"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_MINUS"))) {
 		m_camera->zoomLevel += zoomSpeed;
 	}
 	m_camera->zoomLevel = std::max(m_camera->zoomLevel, 0.25f);
@@ -73,8 +74,8 @@ void CameraController::updateOrthographic(float deltaTime)
 void CameraController::updatePerspective(float deltaTime)
 {
 	// Get mouse movement offset compared to last frame
-	float xOffset = Input::getXOffset() * MOUSE_SENSITIVITY;
-	float yOffset = Input::getYOffset() * MOUSE_SENSITIVITY;
+	float xOffset = Inferno::Input::getXOffset() * MOUSE_SENSITIVITY;
+	float yOffset = Inferno::Input::getYOffset() * MOUSE_SENSITIVITY;
 	m_camera->yaw += xOffset;
 	m_camera->pitch += yOffset;
 
@@ -107,24 +108,25 @@ void CameraController::updatePerspective(float deltaTime)
 	float cameraSpeed = TRANSLATE_SPEED * deltaTime;
 
 	// WASD movement
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_W"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_W"))) {
 		transform->translate += transform->rotate * cameraSpeed;
 	}
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_S"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_S"))) {
 		transform->translate -= transform->rotate * cameraSpeed;
 	}
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_A"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_A"))) {
 		transform->translate -= glm::normalize(glm::cross(transform->rotate, m_camera->up)) * cameraSpeed;
 	}
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_D"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_D"))) {
 		transform->translate += glm::normalize(glm::cross(transform->rotate, m_camera->up)) * cameraSpeed;
 	}
 	// Up / down movement
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_SPACE"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_SPACE"))) {
 		transform->translate.y += cameraSpeed;
 	}
-	if (Input::isKeyPressed(keyCode("GLFW_KEY_LEFT_SHIFT"))) {
+	if (Inferno::Input::isKeyPressed(Inferno::keyCode("GLFW_KEY_LEFT_SHIFT"))) {
 		transform->translate.y -= cameraSpeed;
 	}
 }
-} // namespace Inferno
+
+} // namespace example

example/src/cameracontroller.h

@@ -14,20 +14,18 @@
 #define ZOOM_SENSITIVITY 2.5f
 #define MOUSE_SENSITIVITY 0.25f
 
-namespace Inferno {
+namespace example {
 
-struct CameraComponent;
-
-class CameraController final : public NativeScript {
+class CameraController final : public Inferno::NativeScript {
 public:
 	virtual void update(float deltaTime) override
 	{
-		m_camera = &getComponent<CameraComponent>();
+		m_camera = &getComponent<Inferno::CameraComponent>();
 
-		if (m_camera->type == CameraType::Orthographic) {
+		if (m_camera->type == Inferno::CameraType::Orthographic) {
 			updateOrthographic(deltaTime);
 		}
-		else if (m_camera->type == CameraType::Perspective) {
+		else if (m_camera->type == Inferno::CameraType::Perspective) {
 			updatePerspective(deltaTime);
 		}
 	}
@@ -36,7 +34,9 @@ public:
 	void updatePerspective(float deltaTime);
 
 private:
-	CameraComponent* m_camera { nullptr };
+	Inferno::CameraComponent* m_camera { nullptr };
 };
 
-} // namespace Inferno
+BIND_NATIVE(CameraController);
+
+} // namespace example

src/inferno/component/nativescriptcomponent.h

@@ -6,7 +6,7 @@
 
 #pragma once
 
-#include "ruc/meta/assert.h"
+#include <string>
 
 #include "inferno/script/nativescript.h"
 
@@ -15,23 +15,15 @@ namespace Inferno {
 struct NativeScriptComponent {
 	NativeScript* instance { nullptr };
 
-	NativeScript* (*initialize)() { nullptr };
+	NativeScript::InitializeFunction initialize { nullptr };
+	NativeScript::DestroyFunction destroy { nullptr };
 
 	// Dont allow manually setting instance during construction
 	NativeScriptComponent() {}
-
-	template<typename T>
-	void bind()
-	{
-		VERIFY(instance == nullptr, "NativeScript already bound");
-		initialize = []() { return static_cast<NativeScript*>(new T()); };
-	}
-
-	void destroy()
+	NativeScriptComponent(const std::string& binding)
 	{
-		VERIFY(instance, "Attempting to destroy an uninitialized NativeScript");
-		delete instance;
-		instance = nullptr;
+		initialize = NativeScriptBinding::the().initializeBinding(binding);
+		destroy = NativeScriptBinding::the().destroyBinding(binding);
 	}
 };
 

src/inferno/component/textareacomponent.cpp

@@ -27,7 +27,7 @@ void fromJson(const ruc::Json& json, TextAreaComponent& value)
 		json.at("width").getTo(value.width);
 	}
 	if (json.exists("lines") && json.at("lines").type() == ruc::Json::Type::Number) {
-		json.at("lines").getTo(value.width);
+		json.at("lines").getTo(value.lines);
 	}
 }
 

src/inferno/render/font.cpp

@@ -4,13 +4,18 @@
  * SPDX-License-Identifier: MIT
  */
 
+#include <array>    // std::array
+#include <charconv> // std;:from_chars
+#include <cstdint>  // int32_t, uint32_t
 #include <limits>   // std::numeric_limits
-#include <string>  // std::getline, std::stoi
+#include <ranges>   // std::views::split
+#include <string>   // std::getline
 #include <utility>  // std::move
 
 #include "ruc/file.h"
 #include "ruc/format/log.h"
 #include "ruc/meta/assert.h"
+#include "ruc/meta/concepts.h"
 
 #include "inferno/render/font.h"
 #include "inferno/render/texture.h"
@@ -30,43 +35,96 @@ Font::Font(const std::string& name)
 	m_texture = std::make_shared<Texture>(image);
 }
 
+// TODO: Move this to ruc
+template<Integral T>
+static T convert(std::string_view value)
+{
+	T tmp;
+	std::from_chars(value.data(), value.data() + value.size(), tmp);
+	return tmp;
+}
+
 void Font::parseFont(const std::string& font)
 {
 	std::istringstream iss(font);
 	for (std::string line; std::getline(iss, line);) {
+		std::string action = findAction(line);
+		const std::vector<std::string> columns = findColumns(line);
+
+		// Info
+		// ---------------------------------
 
-		if (findAction(line).compare("info") != 0 && findAction(line).compare("char") != 0) {
+		if (action.compare("info") == 0) {
+			m_size = convert<uint32_t>(findValue("size", columns));
+			auto paddings = findValue("padding", columns) | std::views::split(',');
+			size_t i = 0;
+			for (const auto& padding : paddings) {
+				// top, right, bottom, left
+				m_padding[i++] = convert<uint32_t>(padding.data()) - PADDING;
+			}
 			continue;
 		}
 
-		const std::vector<std::string> columns = findColumns(line);
-
-		// Info
+		// Common
+		// ---------------------------------
 
-		if (findAction(line).compare("info") == 0) {
-			m_size = std::stou(findValue("size", columns));
+		if (action.compare("common") == 0) {
+			m_lineSpacing = convert<uint32_t>(findValue("lineHeight", columns)) - m_padding[Padding::Top] - m_padding[Padding::Bottom];
 			continue;
 		}
 
 		// Character
+		// ---------------------------------
 
-		unsigned char id = std::stoi(findValue("id", columns));
+		if (action.compare("char") == 0) {
+			unsigned char id = convert<unsigned char>(findValue("id", columns));
+			uint32_t width = convert<uint32_t>(findValue("width", columns));
+			uint32_t height = convert<uint32_t>(findValue("height", columns));
 			Character character = {
-			{ std::stou(findValue("x", columns)), std::stou(findValue("y", columns)) },
-			{ std::stou(findValue("width", columns)), std::stou(findValue("height", columns)) },
-			{ std::stoi(findValue("xoffset", columns)), std::stoi(findValue("yoffset", columns)) },
-			std::stou(findValue("xadvance", columns))
+				.position = {
+					convert<uint32_t>(findValue("x", columns)) + m_padding[Padding::Left],
+					convert<uint32_t>(findValue("y", columns)) + m_padding[Padding::Top],
+				},
+				.size = {
+					width == 0 ? 0 : width - m_padding[Padding::Left] - m_padding[Padding::Right],
+					height == 0 ? 0 : height - m_padding[Padding::Top] - m_padding[Padding::Bottom],
+				},
+				.offset = {
+					convert<int32_t>(findValue("xoffset", columns)) + m_padding[Padding::Left],
+					convert<int32_t>(findValue("yoffset", columns)) + m_padding[Padding::Top],
+				},
+				.advance = convert<uint32_t>(findValue("xadvance", columns)) - m_padding[Padding::Left] - m_padding[Padding::Right]
 			};
+
 			m_characterList.emplace(id, std::make_shared<Character>(character));
+			continue;
+		}
+
+		// Kerning
+		// ---------------------------------
+
+		if (action.compare("kerning") == 0) {
+			unsigned char first = convert<unsigned char>(findValue("first", columns));
+			unsigned char second = convert<unsigned char>(findValue("second", columns));
+			char amount = convert<char>(findValue("amount", columns));
+
+			// Add the kerning of the previous character to this character
+			if (m_characterList.find(second) != m_characterList.end()) {
+				auto character = m_characterList.at(second);
+				character->kernings.emplace(first, amount);
+			}
+
+			continue;
+		}
 	}
 }
 
-const std::string Font::findAction(const std::string& line)
+std::string Font::findAction(const std::string& line) const
 {
 	return line.substr(0, line.find(" "));
 }
 
-const std::vector<std::string> Font::findColumns(const std::string& line)
+std::vector<std::string> Font::findColumns(const std::string& line) const
 {
 	std::vector<std::string> elements;
 
@@ -93,7 +151,7 @@ const std::vector<std::string> Font::findColumns(const std::string& line)
 	return elements;
 }
 
-const std::string Font::findValue(const std::string& key, const std::vector<std::string>& columns)
+std::string Font::findValue(const std::string& key, const std::vector<std::string>& columns) const
 {
 	size_t find = 0;
 	// Loop over columns

src/inferno/render/font.h

@@ -6,6 +6,7 @@
 
 #pragma once
 
+#include <array>         // std::array
 #include <cstdint>       // int32_t, uint32_t
 #include <memory>        // std::shared_ptr
 #include <string>        // std::string
@@ -17,6 +18,8 @@
 #include "ruc/format/format.h"
 #include "ruc/singleton.h"
 
+#define PADDING 3
+
 namespace Inferno {
 
 class Texture;
@@ -26,6 +29,7 @@ struct Character {
 	glm::uvec2 size;                                  // Width/height
 	glm::ivec2 offset;                                // Offset from baseline to left / top of glyph
 	uint32_t advance;                                 // Amount to advance to next glyph
+	std::unordered_map<unsigned char, char> kernings; // Kernings for characters that come before this one
 };
 
 // -------------------------------------
@@ -35,8 +39,16 @@ public:
 	Font(const std::string& name);
 	virtual ~Font() {}
 
+	enum Padding {
+		Top = 0,
+		Right,
+		Bottom,
+		Left,
+	};
+
 	inline std::string name() const { return m_name; }
 	inline uint32_t size() const { return m_size; }
+	inline uint32_t lineSpacing() const { return m_lineSpacing; }
 	inline std::shared_ptr<Texture> texture() const { return m_texture; }
 
 	inline std::shared_ptr<Character> get(unsigned char c) const { return m_characterList.at(c); }
@@ -44,12 +56,14 @@ public:
 
 private:
 	void parseFont(const std::string& font);
-	const std::string findAction(const std::string& line);
-	const std::vector<std::string> findColumns(const std::string& line);
-	const std::string findValue(const std::string& key, const std::vector<std::string>& columns);
+	std::string findAction(const std::string& line) const;
+	std::vector<std::string> findColumns(const std::string& line) const;
+	std::string findValue(const std::string& key, const std::vector<std::string>& columns) const;
 
 	std::string m_name;
-	uint32_t m_size;
+	uint32_t m_size = { 0 };
+	uint32_t m_lineSpacing = { 0 };
+	std::array<uint32_t, 4> m_padding = { 0 };
 	std::shared_ptr<Texture> m_texture;
 	std::unordered_map<unsigned char, std::shared_ptr<Character>> m_characterList;
 };

src/inferno/scene/scene.cpp

@@ -20,7 +20,6 @@
 #include "inferno/component/textareacomponent.h"
 #include "inferno/component/transformcomponent.h"
 #include "inferno/scene/scene.h"
-#include "inferno/script/cameracontroller.h"
 #include "inferno/script/nativescript.h"
 #include "inferno/system/camerasystem.h"
 #include "inferno/system/rendersystem.h"
@@ -65,12 +64,12 @@ void Scene::initialize()
 	if (cameraJson.exists("script")) {
 		auto& cameraScript = cameraJson.at("script");
 		if (cameraScript.exists("type") && cameraScript.exists("name")) {
+			auto name = cameraScript.at("name").get<std::string>();
 			if (cameraScript.at("type").get<std::string>() == "lua") {
-				addComponent<LuaScriptComponent>(camera, cameraScript.at("name").get<std::string>());
+				addComponent<LuaScriptComponent>(camera, name);
 			}
 			else {
-				// TODO: Allow usage of custom camera classes
-				addComponent<NativeScriptComponent>(camera).bind<CameraController>();
+				addComponent<NativeScriptComponent>(camera, name);
 			}
 		}
 	}

src/inferno/script/nativescript.h

@@ -6,6 +6,9 @@
 
 #pragma once
 
+#include "ruc/meta/core.h"
+#include "ruc/singleton.h"
+
 #include "inferno/scene/scene.h"
 
 namespace Inferno {
@@ -14,6 +17,9 @@ struct TransformComponent;
 
 class NativeScript {
 public:
+	typedef NativeScript* (*InitializeFunction)();
+	typedef void (*DestroyFunction)(NativeScript*);
+
 	virtual ~NativeScript() {}
 
 protected:
@@ -36,4 +42,44 @@ private:
 	friend class ScriptSystem;
 };
 
+class NativeScriptBinding final : public ruc::Singleton<NativeScriptBinding> {
+public:
+	NativeScriptBinding(s) {}
+	virtual ~NativeScriptBinding() {}
+
+	void registerBinding(const std::string& binding,
+	                     NativeScript::InitializeFunction initialize,
+	                     NativeScript::DestroyFunction destroy)
+	{
+		m_initializeBindings.emplace(binding, initialize);
+		m_detroyBindings.emplace(binding, destroy);
+	}
+
+	NativeScript::InitializeFunction initializeBinding(const std::string& binding) { return m_initializeBindings[binding]; }
+	NativeScript::DestroyFunction destroyBinding(const std::string& binding) { return m_detroyBindings[binding]; }
+
+private:
+	std::unordered_map<std::string, NativeScript::InitializeFunction> m_initializeBindings;
+	std::unordered_map<std::string, NativeScript::DestroyFunction> m_detroyBindings;
+};
+
 } // namespace Inferno
+
+#define BIND_NATIVE_IMPL(name, struct_name)                                                                 \
+	struct struct_name {                                                                                    \
+		struct_name()                                                                                       \
+		{                                                                                                   \
+			Inferno::NativeScriptBinding::the().registerBinding(                                            \
+				#name,                                                                                      \
+				[]() -> Inferno::NativeScript* { return static_cast<Inferno::NativeScript*>(new name()); }, \
+				[](Inferno::NativeScript* nativeScript) -> void {                                           \
+					VERIFY(nativeScript, "Attempting to destroy an uninitialized NativeScript");            \
+					delete static_cast<name*>(nativeScript);                                                \
+					nativeScript = nullptr;                                                                 \
+				});                                                                                         \
+		}                                                                                                   \
+	};                                                                                                      \
+	static struct struct_name struct_name; // NOLINT(clang-diagnostic-unused-function)
+
+#define BIND_NATIVE(name) \
+	BIND_NATIVE_IMPL(name, CONCAT(__BIND_NATIVE_FUNCTION_, __COUNTER__))

src/inferno/system/scriptsystem.cpp

@@ -92,7 +92,7 @@ void ScriptSystem::cleanup(NativeScriptComponent& nativeScript)
 {
 	if (nativeScript.instance) {
 		nativeScript.instance->destroy();
-		nativeScript.destroy();
+		nativeScript.destroy(nativeScript.instance);
 	}
 }
 

src/inferno/system/textareasystem.cpp

@@ -4,6 +4,8 @@
  * SPDX-License-Identifier: MIT
  */
 
+#include <algorithm> // std::max
+
 #include "ruc/format/log.h"
 #include "ruc/meta/assert.h"
 
@@ -46,9 +48,12 @@ void TextAreaSystem::render()
 		std::shared_ptr<Font> font = FontManager::the().load(textarea.font);
 		// glm::mat4 translate = transform.translate;
 
-		float advance = 0.0f;
+		unsigned char previous = 0;
+		float advanceX = 0.0f;
+		float advanceY = 0.0f;
 		for (auto character : textarea.content) {
-			std::optional<CharacterQuad> quad = calculateCharacterQuad(character, font, advance);
+			std::optional<CharacterQuad> quad = calculateCharacterQuad(character, previous, font, advanceX, advanceY);
+			previous = character;
 
 			if (quad) {
 				RendererCharacter::the().drawCharacter(quad.value(), font->texture());
@@ -57,53 +62,65 @@ void TextAreaSystem::render()
 	}
 }
 
-std::optional<CharacterQuad> TextAreaSystem::calculateCharacterQuad(unsigned char character, std::shared_ptr<Font> font, float& advance)
+std::optional<CharacterQuad> TextAreaSystem::calculateCharacterQuad(unsigned char character, unsigned char previous, std::shared_ptr<Font> font, float& advanceX, float& advanceY)
 {
 	CharacterQuad characterQuad;
 
 	auto c = font->get(character);
 
 	// Texture
-	// ---------------------------------
+	// -------------------------------------
 
 	float textureWidth = static_cast<float>(font->texture()->width());
 	float textureHeight = static_cast<float>(font->texture()->height());
 	VERIFY(textureWidth == textureHeight, "TextAreaSystem read invalid font texture");
 
-	// Skip empty characters
+	// Skip empty characters (like space)
 	if (c->size.x == 0 || c->size.y == 0) {
 		// Jump to the next glyph
-		advance += c->advance / textureWidth;
+		advanceX += c->advance;
 		return {};
 	}
 
 	// Position
-	// ---------------------------------
+	// -------------------------------------
 
-	float quadWidth = c->size.x / textureWidth;
-	float quadHeight = c->size.y / textureHeight;
-	characterQuad.at(0).quad.position = { -quadWidth, -quadHeight, 0.0f }; // bottom left
-	characterQuad.at(1).quad.position = { quadWidth, -quadHeight, 0.0f };  // bottom right
-	characterQuad.at(2).quad.position = { quadWidth, quadHeight, 0.0f };   // top right
-	characterQuad.at(3).quad.position = { -quadWidth, quadHeight, 0.0f };  // top left
+	// Kerning
+	if (c->kernings.find(previous) != c->kernings.end()) {
+		advanceX += c->kernings.at(previous);
+	}
 
-	for (auto& quad : characterQuad) {
-		quad.quad.position.x -= 0.5f;
+	// Line wrapping
+	if (advanceX + c->offset.x + c->size.x > textureWidth) {
+		advanceX = 0;
+		advanceY -= font->lineSpacing();
+	}
 
-		quad.quad.position.x += c->offset.x / (float)textureWidth;
-		quad.quad.position.y -= c->offset.y / (float)textureHeight;
+	glm::vec2 cursor = { std::max(advanceX + c->offset.x, 0.0f),
+		                 advanceY - c->offset.y };
+	glm::vec2 cursorMax = { cursor.x + c->size.x,
+		                    cursor.y - c->size.y };
 
-		quad.quad.position.x += advance;
-	}
+	// Scale the values from 0:512 (texture size) to -1:1 (screen space)
+	glm::vec2 cursorScreen = {
+		(cursor.x / textureWidth * 2) - 1,
+		(cursor.y / textureHeight * 2) + 1,
+	};
+	glm::vec2 cursorScreenMax = {
+		(cursorMax.x / textureWidth * 2) - 1,
+		(cursorMax.y / textureHeight * 2) + 1,
+	};
 
-	// ruc::debug("character: {} ({}) width: {} height: {} advance: {} x: {}",
-	//       character, (int)character, quadWidth, quadHeight, advance, characterQuad.at(0).quad.position.x);
+	characterQuad.at(0).quad.position = { cursorScreen.x, cursorScreenMax.y, 0.0f };    // bottom left
+	characterQuad.at(1).quad.position = { cursorScreenMax.x, cursorScreenMax.y, 0.0f }; // bottom right
+	characterQuad.at(2).quad.position = { cursorScreenMax.x, cursorScreen.y, 0.0f };    // top right
+	characterQuad.at(3).quad.position = { cursorScreen.x, cursorScreen.y, 0.0f };       // top left
 
 	// Jump to the next glyph
-	advance += c->advance / textureWidth;
+	advanceX += c->advance;
 
 	// Texture coordinates
-	// ---------------------------------
+	// -------------------------------------
 
 	glm::vec2 x {
 		1 - (textureWidth - c->position.x) / textureWidth,

src/inferno/system/textareasystem.h

@@ -33,7 +33,7 @@ public:
 	void setScene(Scene* scene) { m_scene = scene; }
 
 private:
-	std::optional<CharacterQuad> calculateCharacterQuad(unsigned char character, std::shared_ptr<Font> font, float& advance);
+	std::optional<CharacterQuad> calculateCharacterQuad(unsigned char character, unsigned char previous, std::shared_ptr<Font> font, float& advanceX, float& advanceY);
 
 	Scene* m_scene { nullptr };
 };