inferno/src/inferno/script/registration.cpp

/*
 * Copyright (C) 2022 Riyyi
 *
 * SPDX-License-Identifier: MIT
 */

#include "glm/ext/matrix_transform.hpp" // glm::radians
#include "glm/ext/vector_float2.hpp"    // glm::vec2
#include "glm/ext/vector_float3.hpp"    // glm::vec3
#include "glm/ext/vector_float4.hpp"    // glm::vec4

#include "inferno/component/cameracomponent.h"
#include "inferno/component/spritecomponent.h"
#include "inferno/component/tagcomponent.h"
#include "inferno/component/transformcomponent.h"
#include "inferno/io/input.h"
#include "inferno/keycodes.h"
#include "inferno/script/registration.h"

namespace Inferno {

void Registration::fill(sol::state_view& state)
{
	glm(state);
	component(state);
	input(state);
}

void Registration::glm(sol::state_view& state)
{
	auto glm = state["glm"].get_or_create<sol::table>();

	auto vec2 = glm.new_usertype<glm::vec2>(
		"vec2",
		sol::call_constructor, sol::constructors<glm::vec2(), glm::vec2(glm::vec2), glm::vec2(float), glm::vec2(float, float)>(),
		"x", &glm::vec2::x, "y", &glm::vec2::y,
		"r", &glm::vec2::r, "g", &glm::vec2::g,
		"s", &glm::vec2::s, "t", &glm::vec2::t,
		"__add", addition<glm::vec2, float>(),
		"__sub", subtraction<glm::vec2, float>(),
		"__mul", multiplication<glm::vec2, float>(),
		"__div", division<glm::vec2, float>(),
		"__tostring", string<glm::vec2>);

	auto vec3 = glm.new_usertype<glm::vec3>(
		"vec3",
		sol::call_constructor, sol::constructors<glm::vec3(), glm::vec3(glm::vec3), glm::vec3(float), glm::vec3(float, float, float)>(),
		"x", &glm::vec3::x, "y", &glm::vec3::y, "z", &glm::vec3::z,
		"r", &glm::vec3::r, "g", &glm::vec3::g, "b", &glm::vec3::b,
		"s", &glm::vec3::s, "t", &glm::vec3::t, "p", &glm::vec3::p,
		"__add", addition<glm::vec3, float>(),
		"__sub", subtraction<glm::vec3, float>(),
		"__mul", multiplication<glm::vec3, float>(),
		"__div", division<glm::vec3, float>(),
		"__tostring", string<glm::vec3>);

	auto vec4 = glm.new_usertype<glm::vec4>(
		"vec4",
		sol::call_constructor, sol::constructors<glm::vec4(), glm::vec4(glm::vec4), glm::vec4(float), glm::vec4(float, float, float, float)>(),
		"x", &glm::vec4::x, "y", &glm::vec4::y, "z", &glm::vec4::z, "w", &glm::vec4::w,
		"r", &glm::vec4::r, "g", &glm::vec4::g, "b", &glm::vec4::b, "a", &glm::vec4::a,
		"s", &glm::vec4::s, "t", &glm::vec4::t, "p", &glm::vec4::p, "q", &glm::vec4::q,
		"__add", addition<glm::vec4, float>(),
		"__sub", subtraction<glm::vec4, float>(),
		"__mul", multiplication<glm::vec4, float>(),
		"__div", division<glm::vec4, float>(),
		"__tostring", string<glm::vec4>);

	glm.set_function("radians", sol::overload(
									[](float v) { return glm::radians(v); },
									[](const glm::vec2& v) { return glm::radians(v); },
									[](const glm::vec3& v) { return glm::radians(v); },
									[](const glm::vec4& v) { return glm::radians(v); }));

	glm.set_function("normalize", sol::overload(
									  [](const glm::vec2& v) { return glm::normalize(v); },
									  [](const glm::vec3& v) { return glm::normalize(v); },
									  [](const glm::vec4& v) { return glm::normalize(v); }));

	glm.set_function("cross", [](const glm::vec3& x, const glm::vec3& y) { return glm::cross(x, y); });
}

void Registration::component(sol::state_view& state)
{
	auto tagComponent = state.new_usertype<TagComponent>("TagComponent", sol::no_constructor);
	tagComponent["tag"] = &TagComponent::tag;

	auto transformComponent = state.new_usertype<TransformComponent>("TransformComponent", sol::no_constructor);
	transformComponent["translate"] = &TransformComponent::translate;
	transformComponent["rotate"] = &TransformComponent::rotate;
	transformComponent["scale"] = &TransformComponent::scale;
	transformComponent["transform"] = &TransformComponent::transform;
	transformComponent["__tostring"] = &string<TransformComponent>;

	auto cameraType = state.new_enum("CameraType",
	                                 "Orthographic", CameraType::Orthographic,
	                                 "Perspective", CameraType::Perspective);

	auto cameraComponent = state.new_usertype<CameraComponent>("CameraComponent", sol::no_constructor);
	cameraComponent["type"] = &CameraComponent::type;
	cameraComponent["zoomLevel"] = &CameraComponent::zoomLevel;
	cameraComponent["rotateAxis"] = &CameraComponent::rotateAxis;
	cameraComponent["fov"] = &CameraComponent::fov;
	cameraComponent["pitch"] = &CameraComponent::pitch;
	cameraComponent["yaw"] = &CameraComponent::yaw;
	cameraComponent["up"] = &CameraComponent::up;
	cameraComponent["projection"] = &CameraComponent::projection;

	auto spriteComponent = state.new_usertype<SpriteComponent>("SpriteComponent", sol::no_constructor);
	spriteComponent["color"] = &SpriteComponent::color;
	spriteComponent["texture"] = &SpriteComponent::texture;
}

void Registration::input(sol::state_view& state)
{
	state.set_function("keyCode", &keyCode);

	auto input = state.new_usertype<Input>("Input", sol::no_constructor);
	input["isKeyPressed"] = &Input::isKeyPressed;
	input["getXOffset"] = &Input::getXOffset;
	input["getYOffset"] = &Input::getYOffset;
}
} // namespace Inferno