Move movement logic out from the gameplay scene.

Character now knows how to move by itself.

CMakeLists.txt

@@ -68,6 +68,8 @@ add_executable(${PROJECT_NAME}
 	src/character.cpp
 	src/rect_to_sdl.cpp
 	src/worldsizenotifiable.cpp
+	src/worlditems.cpp
+	src/moveable.cpp
 )
 
 target_include_directories(${PROJECT_NAME} SYSTEM

src/character.cpp

@@ -18,17 +18,23 @@
 */
 
 #include "character.hpp"
+#include "inputbag.hpp"
+#include "gameactions.hpp"
 #include <ciso646>
+#include <cassert>
 
 namespace curry {
 	namespace {
 	} //unnamed namespace
 
-	Character::Character (const WorldSizeNotifiable::DeferredRegister& parDeferredRegister) :
+	Character::Character (cloonel::InputBag* parInputBag, const WorldSizeNotifiable::DeferredRegister& parDeferredRegister) :
 		WorldSizeNotifiable(parDeferredRegister),
 		m_position(vec2f(0.0f), vec2f(0.0f), vec2f(0.0f)),
-		m_width_height(0.0f)
+		m_width_height(0.0f),
+		m_input_bag(parInputBag),
+		m_speed(1.0f)
 	{
+		assert(m_input_bag);
 	}
 
 	void Character::load (const char* parTexturePath, cloonel::SDLMain& parSDLMain) {
@@ -77,4 +83,23 @@ namespace curry {
 	void Character::world_size_changed (const vec2us&, const vec2i& parPixelSize) {
 		m_position.change_minmax(m_position.get_min(), vector_cast<vec2f>(parPixelSize));
 	}
+
+	void Character::do_movement (float parDeltaT) {
+		const float speed = parDeltaT * m_speed;
+		vec2f offset(0.0f);
+		if (cloonel::IsPressed(*m_input_bag, ActionRight))
+			offset.x() += speed;
+		if (cloonel::IsPressed(*m_input_bag, ActionLeft))
+			offset.x() -= speed;
+		if (cloonel::IsPressed(*m_input_bag, ActionUp))
+			offset.y() -= speed;
+		if (cloonel::IsPressed(*m_input_bag, ActionDown))
+			offset.y() += speed;
+		this->set_position(this->position() + offset);
+	}
+
+	void Character::set_speed (float parSpeed) {
+		assert(parSpeed > 0.0f);
+		m_speed = parSpeed;
+	}
 } //namespace curry

src/character.hpp

@@ -24,15 +24,17 @@
 #include "rect.hpp"
 #include "constrained_position.hpp"
 #include "worldsizenotifiable.hpp"
+#include "moveable.hpp"
 
 namespace cloonel {
 	class SDLMain;
+	class InputBag;
 } //namespace cloonel
 
 namespace curry {
-	class Character : public WorldSizeNotifiable {
+	class Character : public WorldSizeNotifiable, public Moveable {
 	public:
-		explicit Character (const WorldSizeNotifiable::DeferredRegister& parDeferredRegister);
+		Character (cloonel::InputBag* parInputBag, const WorldSizeNotifiable::DeferredRegister& parDeferredRegister);
 		virtual ~Character() noexcept = default;
 
 		void load (const char* parTexturePath, cloonel::SDLMain& parSDLMain);
@@ -43,11 +45,15 @@ namespace curry {
 		Texture& texture();
 		Rect<float> destination_rect (const vec2f& parWorldPos) const;
 		Rect<float> source_rect() const;
-		virtual void world_size_changed (const vec2us& parSize, const vec2i& parPixelSize);
+		virtual void world_size_changed (const vec2us& parSize, const vec2i& parPixelSize) override;
+		virtual void do_movement (float parDeltaT) override;
+		void set_speed (float parSpeed);
 
 	private:
 		ConstrainedPosition<vec2f> m_position;
 		Texture m_texture;
 		vec2f m_width_height;
+		cloonel::InputBag* m_input_bag;
+		float m_speed;
 	};
 } //namespace curry

src/gameactions.hpp

@@ -0,0 +1,29 @@
+/*
+	Copyright 2017 Michele "King_DuckZ" Santullo
+
+	This file is part of MyCurry.
+
+	MyCurry is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	MyCurry 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with MyCurry.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+namespace curry {
+	enum Actions : int {
+		ActionLeft,
+		ActionUp,
+		ActionRight,
+		ActionDown
+	};
+} //namespace curry

src/ingamescene.cpp

@@ -1,5 +1,5 @@
 /*
-	Copyright 2016 Michele "King_DuckZ" Santullo
+	Copyright 2016, 2017 Michele "King_DuckZ" Santullo
 
 	This file is part of MyCurry.
 
@@ -29,6 +29,8 @@
 #include "rect.hpp"
 #include "character.hpp"
 #include "csvloader.hpp"
+#include "worlditems.hpp"
+#include "gameactions.hpp"
 #include <SDL2/SDL.h>
 #include <algorithm>
 #include <vector>
@@ -39,20 +41,14 @@
 
 namespace curry {
 	namespace {
-		enum Actions : int {
-			ActionLeft,
-			ActionUp,
-			ActionRight,
-			ActionDown
-		};
 	} //unnamed namespace
 
 	struct IngameScene::LocalData {
-		LocalData (const vec2us& parTileSize, cloonel::SDLMain* parSDLMain) :
+		LocalData (const vec2us& parTileSize, cloonel::SDLMain* parSDLMain, cloonel::InputBag* parInputBag) :
 			world(parTileSize),
 			viewport(&world, vec2f(parSDLMain->WidthHeight()), WorldSizeNotifiable::DeferredRegister(&world, &viewport)),
 			player(parTileSize),
-			character(WorldSizeNotifiable::DeferredRegister(&world, &character))
+			character(parInputBag, WorldSizeNotifiable::DeferredRegister(&world, &character))
 		{
 		}
 
@@ -61,11 +57,12 @@ namespace curry {
 		Texture worldtiles;
 		MovingObject player;
 		Character character;
+		WorldItems moveable_items;
 	};
 
 	IngameScene::IngameScene (cloonel::SDLMain* parSDLMain) :
 		GameSceneBase(parSDLMain),
-		m_local_data(std::make_unique<LocalData>(vec2us(32), parSDLMain))
+		m_local_data(std::make_unique<LocalData>(vec2us(32), parSDLMain, &this->input_bag()))
 	{
 		using cloonel::Key;
 		using cloonel::InputDevice_Keyboard;
@@ -94,27 +91,21 @@ namespace curry {
 
 		m_local_data->viewport.allow_overscan(false);
 		m_local_data->character.load(RESOURCES_PATH "LPC_Sara_Preview.png", *this->sdl_main());
+		const float speed_per_sec =
+			static_cast<float>(
+				std::max(m_local_data->world.tile_size().x(), m_local_data->world.tile_size().y())
+			) * 4.5f;
+		m_local_data->character.set_speed(speed_per_sec);
+
+		assert(m_local_data->moveable_items.no_items_registered());
+		m_local_data->moveable_items.register_observer(&m_local_data->character);
 	}
 
 	void IngameScene::on_update (float parDeltaT) {
 		const auto& world = m_local_data->world;
-		const float speed_per_sec =
-			static_cast<float>(
-				std::max(world.tile_size().x(), world.tile_size().y())
-			) * 4.5f;
 
 		auto& viewport = m_local_data->viewport;
-		const float speed = parDeltaT * speed_per_sec;
-		vec2f offset(0.0f);
-		if (cloonel::IsPressed(input_bag(), ActionRight))
-			offset.x() += speed;
-		if (cloonel::IsPressed(input_bag(), ActionLeft))
-			offset.x() -= speed;
-		if (cloonel::IsPressed(input_bag(), ActionUp))
-			offset.y() -= speed;
-		if (cloonel::IsPressed(input_bag(), ActionDown))
-			offset.y() += speed;
-		m_local_data->character.set_position(m_local_data->character.position() + offset);
+		m_local_data->moveable_items.move_items(parDeltaT);
 		viewport.set_position(m_local_data->character.position() - (viewport.size() - m_local_data->character.width_height()) / 2.0f);
 
 		const auto tilesize(static_cast<vec2f>(world.tile_size()));
@@ -136,6 +127,7 @@ namespace curry {
 	}
 
 	void IngameScene::on_destroy() noexcept {
+		m_local_data->moveable_items.unregister_all();
 		m_local_data->worldtiles.unload();
 		m_local_data->character.unload();
 	}

src/moveable.cpp

@@ -0,0 +1,25 @@
+/*
+	Copyright 2017 Michele "King_DuckZ" Santullo
+
+	This file is part of MyCurry.
+
+	MyCurry is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	MyCurry 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with MyCurry.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "moveable.hpp"
+
+namespace curry {
+	Moveable::Moveable() = default;
+	Moveable::~Moveable() noexcept = default;
+} //namespace curry

src/moveable.hpp

@@ -0,0 +1,32 @@
+/*
+	Copyright 2017 Michele "King_DuckZ" Santullo
+
+	This file is part of MyCurry.
+
+	MyCurry is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	MyCurry 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with MyCurry.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+namespace curry {
+	class Moveable {
+	public:
+		Moveable();
+		virtual ~Moveable() noexcept;
+
+		virtual void do_movement (float parDeltaT) = 0;
+
+	private:
+	};
+} //namespace curry

src/worlditems.cpp

@@ -0,0 +1,42 @@
+/*
+	Copyright 2017 Michele "King_DuckZ" Santullo
+
+	This file is part of MyCurry.
+
+	MyCurry is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	MyCurry 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with MyCurry.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "worlditems.hpp"
+#include "moveable.hpp"
+#include <algorithm>
+
+namespace curry {
+	WorldItems::WorldItems() = default;
+
+	void WorldItems::register_observer (Moveable* parMoveable) {
+		m_moveables.Add(parMoveable);
+	}
+
+	void WorldItems::unregister_all() noexcept {
+		m_moveables.RemoveAll();
+	}
+
+	void WorldItems::move_items (float parDeltaT) {
+		std::for_each(m_moveables.begin(), m_moveables.end(), [=](Moveable* m) {m->do_movement(parDeltaT);});
+	}
+
+	bool WorldItems::no_items_registered() const {
+		return static_cast<bool>(not m_moveables.size());
+	}
+} //namespace curry

src/worlditems.hpp

@@ -0,0 +1,42 @@
+/*
+	Copyright 2017 Michele "King_DuckZ" Santullo
+
+	This file is part of MyCurry.
+
+	MyCurry is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	MyCurry 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with MyCurry.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include "observersmanager.hpp"
+
+namespace curry {
+	class Moveable;
+
+	class WorldItems {
+		//typedef cloonel::ObserversManager<Moveable*>::TicketType MoveableTicketType;
+
+	public:
+		WorldItems();
+		~WorldItems() noexcept = default;
+
+		void register_observer (Moveable* parMoveable);
+		void unregister_all() noexcept;
+		void move_items (float parDeltaT);
+		bool no_items_registered() const;
+
+	private:
+		cloonel::ObserversManager<Moveable*> m_moveables;
+	};
+} //namespace curry