Initial commit

engines/crab/input/cursor.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+//=============================================================================
+// Author:   Arvind
+// Purpose:  Cursor class
+//=============================================================================
+#include "graphics/cursorman.h"
+#include "graphics/managed_surface.h"
+#include "crab/crab.h"
+#include "crab/input/cursor.h"
+
+namespace Crab {
+using namespace pyrodactyl::input;
+
+//------------------------------------------------------------------------
+// Purpose: Reset all values
+//------------------------------------------------------------------------
+void Cursor::reset() {
+	_motion.x = 0;
+	_motion.y = 0;
+
+	_button.x = 0;
+	_button.y = 0;
+
+	_rel.x = 0;
+	_rel.y = 0;
+
+	// set to -1, so its set to 0 on first update
+	_state = -1;
+}
+
+//------------------------------------------------------------------------
+// Purpose: Reset all values
+//------------------------------------------------------------------------
+void Cursor::load(rapidxml::xml_node<char> *node) {
+	if (nodeValid("normal", node)) {
+		rapidxml::xml_node<char> *nornode = node->first_node("normal");
+		_img.load(nornode, "img");
+		_imgS.load(nornode, "img_s");
+	}
+
+	if (nodeValid("hover", node)) {
+		rapidxml::xml_node<char> *hovnode = node->first_node("hover");
+		_imgHover.load(hovnode, "img");
+		_imgHoverS.load(hovnode, "img_s");
+
+		if (nodeValid("offset", hovnode))
+			_hoverOffset.load(hovnode->first_node("offset"));
+	}
+}
+
+//------------------------------------------------------------------------
+// Purpose: Handle Events
+//------------------------------------------------------------------------
+void Cursor::handleEvents(const Common::Event &event) {
+	g_engine->_mouse->_hover = false;
+
+	if (event.type == Common::EVENT_MOUSEMOVE) {
+		_motion.x = event.mouse.x;
+		_motion.y = event.mouse.y;
+
+		_rel.x = event.relMouse.x;
+		_rel.y = event.relMouse.y;
+	} else if (event.type == Common::EVENT_LBUTTONDOWN) {
+		_pressed = true;
+
+		_button.x = event.mouse.x;
+		_button.y = event.mouse.y;
+	} else if (event.type == Common::EVENT_LBUTTONUP) {
+		_pressed = false;
+
+		_button.x = event.mouse.x;
+		_button.y = event.mouse.y;
+	}
+}
+
+//------------------------------------------------------------------------
+// Purpose: Draw
+//------------------------------------------------------------------------
+void Cursor::draw() {
+	uint8 oldState = _state;
+	_state = (_hover ? 1 : 0) | (_pressed << 1);
+
+	if (_state != oldState) {
+		if (_hover) {
+			if (_pressed)
+				CursorMan.replaceCursor(_imgHoverS._texture->rawSurface(), 0, 0, 0);
+			else
+				CursorMan.replaceCursor(_imgHover._texture->rawSurface(), 0, 0, 0);
+		} else {
+			if (_pressed)
+				CursorMan.replaceCursor(_imgS._texture->rawSurface(), 0, 0, 0);
+			else
+				CursorMan.replaceCursor(_img._texture->rawSurface(), 0, 0, 0);
+		}
+	}
+}
+
+} // End of namespace Crab

engines/crab/input/cursor.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+//=============================================================================
+// Author:   Arvind
+// Purpose:  Cursor object
+//=============================================================================
+#ifndef CRAB_CURSOR_H
+#define CRAB_CURSOR_H
+
+#include "common/events.h"
+#include "crab/vectors.h"
+#include "crab/image/Image.h"
+
+namespace Crab {
+
+namespace pyrodactyl {
+namespace input {
+class Cursor {
+	// Mouse images
+	pyrodactyl::image::Image _img, _imgS, _imgHover, _imgHoverS;
+
+	// The hover mouse cursor is drawn at a slight offset to the normal cursor
+	Vector2i _hoverOffset;
+
+	// Mouse image changes slightly if left click button is pressed
+	bool _pressed;
+
+	int8 _state;
+
+public:
+	// Various coordinates
+	Vector2i _motion, _button, _rel;
+
+	// Is the mouse inside the HUD? Used to disable level mouse movement if true
+	bool _insideHud;
+
+	// Was the last click on an NPC?
+	bool _hover;
+
+	Cursor() {
+		_pressed = false;
+		_insideHud = false;
+		_hover = false;
+		reset();
+	}
+	~Cursor() {}
+
+	void quit() {
+		_img.deleteImage();
+		_imgS.deleteImage();
+		_imgHover.deleteImage();
+		_imgHoverS.deleteImage();
+	}
+
+	void reset();
+
+	void load(rapidxml::xml_node<char> *node);
+	void handleEvents(const Common::Event &event);
+
+	void draw();
+	bool pressed() {
+		return _pressed;
+	}
+};
+
+} // End of namespace input
+} // End of namespace pyrodactyl
+
+} // End of namespace Crab
+
+#endif // CRAB_CURSOR_H

engines/crab/input/fightinput.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+#include "crab/crab.h"
+#include "crab/loaders.h"
+#include "crab/input/fightinput.h"
+
+namespace Crab {
+
+using namespace pyrodactyl::input;
+
+void FightInput::load(rapidxml::xml_node<char> *node) {
+	loadEnum(_type, "type", node);
+	loadNum(_state, "state", node);
+}
+
+FightAnimationType FightInput::handleEvents(const Common::Event &event) {
+	if (g_engine->_inputManager->state(IG_ATTACK))
+		return FA_ATTACK;
+	else if (g_engine->_inputManager->state(IG_BLOCK))
+		return FA_BLOCK;
+
+	return FA_IDLE;
+}
+
+} // End of namespace Crab

engines/crab/input/fightinput.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+#ifndef CRAB_FIGHTINPUT_H
+#define CRAB_FIGHTINPUT_H
+
+#include "crab/input/input.h"
+#include "crab/rapidxml/rapidxml.hpp"
+
+namespace Crab {
+
+namespace pyrodactyl {
+namespace input {
+// The animations a sprite can play
+enum FightAnimationType {
+	// Idle state, you can launch new moves from this state only
+	// You return to this state once a move animation is done
+	FA_IDLE,
+
+	// The moves a sprite can do
+	FA_ATTACK,
+	FA_BLOCK,
+
+	// The hurt animation
+	FA_HURT,
+
+	// The death animation
+	FA_DEAD
+};
+
+// The input necessary to launch a move
+struct FightInput {
+	// The state needed to execute this move
+	FightAnimationType _type;
+
+	// The sprite state, used to have different moves trigger from the same move
+	uint _state;
+
+	FightInput() {
+		reset();
+	}
+
+	void reset() {
+		_type = FA_IDLE;
+		_state = 0;
+	}
+
+	bool operator==(const FightInput &input) {
+		return _type == input._type && _state == input._state;
+	}
+
+	bool idle() {
+		return _type == FA_IDLE;
+	}
+
+	void load(rapidxml::xml_node<char> *node);
+
+	FightAnimationType handleEvents(const Common::Event &event);
+};
+} // End of namespace input
+} // End of namespace pyrodactyl
+
+} // End of namespace Crab
+
+#endif // CRAB_FIGHTINPUT_H

engines/crab/input/hotkey.cpp

@@ -0,0 +1,57 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+#include "crab/crab.h"
+#include "crab/loaders.h"
+#include "crab/input/hotkey.h"
+
+namespace Crab {
+
+using namespace pyrodactyl::input;
+
+void HotKey::load(rapidxml::xml_node<char> *node) {
+	loadEnum(_input, "input", node);
+
+	_name = g_engine->_inputManager->getAssociatedKey(_input);
+}
+
+bool HotKey::handleEvents(const Common::Event &event) {
+	if (_input > IT_NONE && _input < IT_TOTAL) {
+		return g_engine->_inputManager->state(_input);
+	}
+
+	return false;
+}
+
+const char *HotKey::name() {
+	return _name.c_str();
+}
+
+} // End of namespace Crab

engines/crab/input/hotkey.h

@@ -0,0 +1,76 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+#ifndef CRAB_HOTKEY_H
+#define CRAB_HOTKEY_H
+
+#include "crab/crab.h"
+#include "crab/input/input.h"
+#include "crab/rapidxml/rapidxml.hpp"
+
+namespace Crab {
+
+namespace pyrodactyl {
+namespace input {
+// This class is built to integrate the input check for hotkeys bound to buttons
+class HotKey {
+	// The type of input the hotkey is checking for
+	InputType _input;
+
+	// Has the key been pressed?
+	bool _keydown;
+
+	// Description of the key associated with the Input
+	Common::String _name;
+
+public:
+	HotKey() {
+		_input = IT_NONE;
+		_keydown = false;
+	}
+
+	void set(const InputType &val) {
+		_input = val;
+		_name = g_engine->_inputManager->getAssociatedKey(_input);
+	}
+
+	const char *name();
+
+	void load(rapidxml::xml_node<char> *node);
+
+	bool handleEvents(const Common::Event &event);
+
+};
+} // End of namespace input
+} // End of namespace pyrodactyl
+
+} // End of namespace Crab
+
+#endif // CRAB_HOTKEY_H

engines/crab/input/input.cpp

@@ -0,0 +1,316 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+#include "common/system.h"
+#include "common/translation.h"
+#include "crab/crab.h"
+#include "crab/loaders.h"
+#include "crab/XMLDoc.h"
+#include "crab/input/input.h"
+
+namespace Crab {
+
+using namespace pyrodactyl::input;
+
+//------------------------------------------------------------------------
+// Purpose: Return pressed/depressed state of key
+//------------------------------------------------------------------------
+bool InputManager::state(const InputType &val) {
+	return _ivState[val];
+}
+
+void InputManager::populateKeyTable() {
+	for (uint type = IG_START; type < IT_TOTAL; type++) {
+		_keyDescs[type] = '\0';
+	}
+
+	setKeyBindingMode(KBM_GAME);
+	for (uint i = IG_START; i < IG_SIZE + IG_START; i++) {
+		getAssociatedKey((InputType)i);
+	}
+
+	setKeyBindingMode(KBM_UI);
+	for (uint i = IU_START; i < IU_SIZE + IU_START; i++) {
+		getAssociatedKey((InputType)i);
+	}
+}
+
+Common::String InputManager::getAssociatedKey(const InputType &type) {
+	// Return cached copy if available
+	if (_keyDescs[type].size() > 0)
+		return _keyDescs[type];
+
+	Common::KeymapArray keymapArr = g_system->getEventManager()->getKeymapper()->getKeymaps();
+	for(Common::Keymap *keymap : keymapArr) {
+		if (keymap->getType() != Common::Keymap::kKeymapTypeGame)
+			continue;
+
+		const Common::Keymap::ActionArray actions = keymap->getActions();
+		for (Common::Action *action : actions) {
+			if ((int)action->event.customType == type) {
+				_keyDescs[type] = Common::String(keymap->getActionMapping(action)[0].description);
+				_keyDescs[type].toUppercase();
+				_iv[type] = Common::String(action->description);
+				break;
+			}
+		}
+	}
+
+	return _keyDescs[type];
+}
+
+Common::Keymap* InputManager::getDefaultKeyMapsForGame() {
+	using namespace Common;
+
+	Keymap *keymap = new Keymap(Keymap::kKeymapTypeGame, "Unrest-Game", "Keymappings for Game");
+
+	Action *act;
+
+	act = new Action(kStandardActionMoveUp, _("Up"));
+	act->setCustomEngineActionEvent(IG_UP);
+	act->addDefaultInputMapping("UP");
+	act->addDefaultInputMapping("JOY_UP");
+	keymap->addAction(act);
+
+	act = new Action(kStandardActionMoveDown, _("Down"));
+	act->setCustomEngineActionEvent(IG_DOWN);
+	act->addDefaultInputMapping("DOWN");
+	act->addDefaultInputMapping("JOY_DOWN");
+	keymap->addAction(act);
+
+	act = new Action(kStandardActionMoveLeft, _("Left"));
+	act->setCustomEngineActionEvent(IG_LEFT);
+	act->addDefaultInputMapping("LEFT");
+	act->addDefaultInputMapping("JOY_LEFT");
+	keymap->addAction(act);
+
+	act = new Action(kStandardActionMoveRight, _("Right"));
+	act->setCustomEngineActionEvent(IG_RIGHT);
+	act->addDefaultInputMapping("RIGHT");
+	act->addDefaultInputMapping("JOY_RIGHT");
+	keymap->addAction(act);
+
+	act = new Action("TALK", _("Talk / Interact"));
+	act->setCustomEngineActionEvent(IG_TALK);
+	act->addDefaultInputMapping("RETURN");
+	act->addDefaultInputMapping("JOY_A");
+	keymap->addAction(act);
+
+	act = new Action("ATTACK", _("Attack"));
+	act->setCustomEngineActionEvent(IG_ATTACK);
+	act->addDefaultInputMapping("z");
+	keymap->addAction(act);
+
+	act = new Action("BLOCK", _("Block"));
+	act->setCustomEngineActionEvent(IG_BLOCK);
+	act->addDefaultInputMapping("x");
+	keymap->addAction(act);
+
+	return keymap;
+}
+
+Common::Keymap* InputManager::getDefaultKeyMapsForUI() {
+	using namespace Common;
+
+	Keymap *uiKeymap = new Keymap(Keymap::kKeymapTypeGame, "Unrest-UI", "Keymappings for UI");
+
+	Action *act;
+
+	act = new Action("UI_UP", _("Up"));
+	act->setCustomEngineActionEvent(IU_UP);
+	act->addDefaultInputMapping("UP");
+	act->addDefaultInputMapping("JOY_UP");
+	uiKeymap->addAction(act);
+
+	act = new Action("UI_DOWN", _("Down"));
+	act->setCustomEngineActionEvent(IU_DOWN);
+	act->addDefaultInputMapping("DOWN");
+	act->addDefaultInputMapping("JOY_DOWN");
+	uiKeymap->addAction(act);
+
+	act = new Action("UI_LEFT", _("Left"));
+	act->setCustomEngineActionEvent(IU_LEFT);
+	act->addDefaultInputMapping("LEFT");
+	act->addDefaultInputMapping("JOY_LEFT");
+	uiKeymap->addAction(act);
+
+	act = new Action("UI_RIGHT", _("Right"));
+	act->setCustomEngineActionEvent(IU_RIGHT);
+	act->addDefaultInputMapping("RIGHT");
+	act->addDefaultInputMapping("JOY_RIGHT");
+	uiKeymap->addAction(act);
+
+	act = new Action("UI_ACCEPT", _("Accept"));
+	act->setCustomEngineActionEvent(IU_ACCEPT);
+	act->addDefaultInputMapping("RETURN");
+	act->addDefaultInputMapping("JOY_A");
+	uiKeymap->addAction(act);
+
+	act = new Action("UI_BACK", _("Back"));
+	act->setCustomEngineActionEvent(IU_BACK);
+	act->addDefaultInputMapping("ESCAPE");
+	act->addDefaultInputMapping("JOY_B");
+	uiKeymap->addAction(act);
+
+	act = new Action("UI_NEXT", _("Next"));
+	act->setCustomEngineActionEvent(IU_NEXT);
+	act->addDefaultInputMapping("TAB");
+	uiKeymap->addAction(act);
+
+	act = new Action("UI_PREV", _("Previous"));
+	act->setCustomEngineActionEvent(IU_PREV);
+	act->addDefaultInputMapping("r");
+	uiKeymap->addAction(act);
+
+	act = new Action("REPLY1", _("Reply 1"));
+	act->setCustomEngineActionEvent(IU_REPLY_0);
+	act->addDefaultInputMapping("1");
+	uiKeymap->addAction(act);
+
+	act = new Action("REPLY2", _("Reply 2"));
+	act->setCustomEngineActionEvent(IU_REPLY_1);
+	act->addDefaultInputMapping("2");
+	uiKeymap->addAction(act);
+
+	act = new Action("REPLY3", _("Reply 3"));
+	act->setCustomEngineActionEvent(IU_REPLY_2);
+	act->addDefaultInputMapping("3");
+	uiKeymap->addAction(act);
+
+	act = new Action("REPLY4", _("Reply 4"));
+	act->setCustomEngineActionEvent(IU_REPLY_3);
+	act->addDefaultInputMapping("4");
+	uiKeymap->addAction(act);
+
+	act = new Action("REPLY5", _("Reply 5"));
+	act->setCustomEngineActionEvent(IU_REPLY_4);
+	act->addDefaultInputMapping("5");
+	uiKeymap->addAction(act);
+
+	act = new Action("REPLY6", _("Reply 6"));
+	act->setCustomEngineActionEvent(IU_REPLY_5);
+	act->addDefaultInputMapping("6");
+	uiKeymap->addAction(act);
+
+	act = new Action("NEXTPAGE", _("Next page"));
+	act->setCustomEngineActionEvent(IU_PAGE_NEXT);
+	act->addDefaultInputMapping("PERIOD");
+	uiKeymap->addAction(act);
+
+	act = new Action("PREVPAGE", _("Previous page"));
+	act->setCustomEngineActionEvent(IU_PAGE_PREV);
+	act->addDefaultInputMapping("COMMA");
+	uiKeymap->addAction(act);
+
+	return uiKeymap;
+}
+
+Common::Keymap* InputManager::getDefaultKeyMapsForHUD() {
+	using namespace Common;
+
+	Keymap *hudKeymap = new Keymap(Keymap::kKeymapTypeGame, "Unrest-HUD", "Keymappings for HUD");
+
+	Action *act;
+
+	act = new Action("MAP", _("Map"));
+	act->setCustomEngineActionEvent(IG_MAP);
+	act->addDefaultInputMapping("m");
+	hudKeymap->addAction(act);
+
+	act = new Action("JOURNAL", _("Journal"));
+	act->setCustomEngineActionEvent(IG_JOURNAL);
+	act->addDefaultInputMapping("j");
+	hudKeymap->addAction(act);
+
+	act = new Action("INVENTORY", _("Inventory"));
+	act->setCustomEngineActionEvent(IG_INVENTORY);
+	act->addDefaultInputMapping("i");
+	hudKeymap->addAction(act);
+
+	act = new Action("TRAITS", _("Traits"));
+	act->setCustomEngineActionEvent(IG_CHARACTER);
+	act->addDefaultInputMapping("t");
+	hudKeymap->addAction(act);
+
+	act = new Action("PAUSE", _("Pause"));
+	act->setCustomEngineActionEvent(IG_PAUSE);
+	act->addDefaultInputMapping("p");
+	hudKeymap->addAction(act);
+
+	act = new Action("QUICKSAVE", _("Quick save"));
+	act->setCustomEngineActionEvent(IG_QUICKSAVE);
+	act->addDefaultInputMapping("F5");
+	hudKeymap->addAction(act);
+
+	act = new Action("QUICKLOAD", _("Quick load"));
+	act->setCustomEngineActionEvent(IG_QUICKLOAD);
+	act->addDefaultInputMapping("F9");
+	hudKeymap->addAction(act);
+
+	return hudKeymap;
+}
+
+void InputManager::setKeyBindingMode(KeyBindingMode mode) {
+	_keyMode = mode;
+
+	Common::Keymapper *const mapper = g_engine->getEventManager()->getKeymapper();
+
+	switch (mode) {
+	case KBM_NONE:
+		mapper->disableAllGameKeymaps();
+		break;
+
+	case KBM_GAME:
+		mapper->disableAllGameKeymaps();
+		mapper->setGameKeymapState("Unrest-HUD", true);
+		mapper->setGameKeymapState("Unrest-Game", true);
+		break;
+
+	case KBM_UI:
+		mapper->disableAllGameKeymaps();
+		mapper->setGameKeymapState("Unrest-HUD", true);
+		mapper->setGameKeymapState("Unrest-UI", true);
+		break;
+	}
+
+	// Clear All inputs
+	clearInputs();
+}
+
+void InputManager::save() {
+	Common::KeymapArray keymapArr = g_system->getEventManager()->getKeymapper()->getKeymaps();
+	for(Common::Keymap *keymap : keymapArr) {
+		if (keymap->getType() != Common::Keymap::kKeymapTypeGame)
+			continue;
+
+		keymap->saveMappings();
+	}
+}
+
+} // End of namespace Crab

engines/crab/input/input.h

@@ -0,0 +1,153 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+#ifndef CRAB_INPUT_H
+#define CRAB_INPUT_H
+
+#include "backends/keymapper/action.h"
+#include "backends/keymapper/keymapper.h"
+#include "backends/keymapper/standard-actions.h"
+
+namespace Crab {
+
+namespace pyrodactyl {
+namespace input {
+enum InputType {
+	IT_NONE = -1,
+
+	// Game related input values
+	IG_UP,
+	IG_DOWN,
+	IG_RIGHT,
+	IG_LEFT,
+	IG_TALK,
+	IG_MAP,
+	IG_JOURNAL,
+	IG_INVENTORY,
+	IG_CHARACTER,
+	IG_PAUSE,
+	IG_QUICKSAVE,
+	IG_QUICKLOAD,
+	IG_ATTACK,
+	IG_BLOCK,
+
+	// UI related input values
+	IU_UP,
+	IU_DOWN,
+	IU_RIGHT,
+	IU_LEFT,
+	IU_ACCEPT,
+	IU_BACK,
+	IU_NEXT,
+	IU_PREV,
+	IU_REPLY_0,
+	IU_REPLY_1,
+	IU_REPLY_2,
+	IU_REPLY_3,
+	IU_REPLY_4,
+	IU_REPLY_5,
+	IU_PAGE_NEXT,
+	IU_PAGE_PREV,
+
+	IT_TOTAL
+};
+
+enum KeyBindingMode {
+	KBM_NONE = 0,
+	KBM_GAME = 1,
+	KBM_UI = 2
+};
+
+// Constants related to menu size
+const int IG_START = IG_UP, IG_SIZE = IG_BLOCK - IG_START + 1;
+const int IU_START = IU_UP, IU_SIZE = IT_TOTAL - IU_START;
+
+class InputManager {
+	// Load key configuration from file
+	void load(const Common::String &filename);
+
+	// The current version of the input scheme
+	uint _version;
+
+	// The current mode of keymap applied
+	KeyBindingMode _keyMode;
+
+	// The keybinds in string format for hotkeys and other places
+	Common::String _keyDescs[IT_TOTAL];
+
+public:
+	InputManager() {
+		_version = 0;
+		_keyMode = KBM_GAME;
+
+		clearInputs();
+	}
+
+	~InputManager() {}
+
+	static Common::Keymap *getDefaultKeyMapsForGame();
+	static Common::Keymap *getDefaultKeyMapsForUI();
+	static Common::Keymap *getDefaultKeyMapsForHUD();
+
+	void clearInputs() {
+		for (int i = 0; i < IT_TOTAL; i++)
+			_ivState[i] = false;
+	}
+
+	void populateKeyTable();
+
+	void setKeyBindingMode(KeyBindingMode mode);
+
+	KeyBindingMode getKeyBindingMode() const {
+		return _keyMode;
+	}
+
+	// NOTE: The lower level arrays can have buttons in common, but buttons cannot be common within these arrays
+	// Ex. UI and Fight can have buttons in common, but not two keys within UI
+
+	// Inputs used in the game
+	Common::String _iv[IT_TOTAL];
+	bool _ivState[IT_TOTAL];
+
+	// These functions return true if key is pressed, false otherwise
+	bool state(const InputType &val);
+
+	Common::String getAssociatedKey(const InputType &type);
+
+	// Save and flush the keymaps to disk
+	void save();
+};
+
+} // End of namespace input
+} // End of namespace pyrodactyl
+
+} // End of namespace Crab
+
+#endif // CRAB_INPUT_H