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engines/crab/image/ImageManager.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:  Contains the image manager class - used to manage in-game assets
+//=============================================================================
+#ifndef CRAB_IMAGEMANAGER_H
+#define CRAB_IMAGEMANAGER_H
+
+#include "crab/image/Image.h"
+#include "crab/TMX/TMXTileSet.h"
+
+#include "common/hashmap.h"
+
+namespace Crab {
+
+// We use this object as the key for all image assets
+typedef uint ImageKey;
+
+// Since we use uint as a key for images, our loadImgKey function is loadNum
+#define loadImgKey loadNum
+
+namespace pyrodactyl {
+namespace image {
+// We store images here
+typedef Common::HashMap<ImageKey, Image> TextureMap;
+
+// Two image maps are used in the game - current (changes with level) and common
+enum MapID {
+	MAP_CURRENT,
+	MAP_COMMON,
+	MAP_TOTAL
+};
+
+class ImageManager {
+	// Assets are stored in images
+	// Common is stuff used everywhere - this is only loaded once
+	TextureMap _map[MAP_TOTAL];
+
+	// The default image for all invalid image names
+	Image _invalidImg;
+
+public:
+	// The tile sets used in the level
+	TMX::TileSetGroup _tileset;
+
+	// This image is used to notify player about changes to quests and inventory
+	ImageKey _notify;
+
+	ImageManager() {
+		_notify = 0;
+	}
+
+	~ImageManager() {}
+
+	void quit();
+
+	bool init();
+	// image related stuff
+
+	// Load all images specified in an xml file in a map
+	void loadMap(const Common::Path &filename, const MapID &mapid = MAP_CURRENT);
+
+	void getTexture(const ImageKey &id, Image &data);
+	Image &getTexture(const ImageKey &id);
+	bool validTexture(const ImageKey &id);
+
+	void draw(const int &x, const int &y, const ImageKey &id,
+			  Common::Rect *clip = nullptr, const TextureFlipType &flip = FLIP_NONE);
+	void draw(const int &x, const int &y, const ImageKey &id,
+			  Rect *clip, const TextureFlipType &flip = FLIP_NONE);
+
+	void dimScreen();
+	void blackScreen();
+
+	// Draw the notification icon
+	void notifyDraw(const int &x, const int &y) {
+		auto *k = &getTexture(_notify);
+		draw(x - k->w() / 2, y - k->h() / 2, _notify);
+	}
+};
+
+} // End of namespace image
+} // End of namespace pyrodactyl
+
+} // End of namespace Crab
+
+#endif // CRAB_IMAGEMANAGER_H