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engines/crab/TMX/TMXLayer.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_TMXLAYER_H
+#define CRAB_TMXLAYER_H
+
+#include "crab/Rectangle.h"
+#include "crab/image/Image.h"
+#include "crab/TMX/TileInfo.h"
+
+#include "common/list.h"
+
+namespace Crab {
+
+namespace TMX {
+enum LayerType {
+	// Run of the mill layer full of tiles
+	LAYER_NORMAL,
+
+	// Layer containing a simple image instead of tiles
+	LAYER_IMAGE,
+
+	// We do not draw prop layers along with the non-prop layers,
+	// because their draw order depends on the positions of the sprites
+	LAYER_PROP,
+
+	// Parallax layers are drawn differently, but are still composed of tiles
+	LAYER_PARALLAX,
+
+	// Auto-hide layers are primarily used for interiors
+	// These are only visible if the player is colliding with them
+	LAYER_AUTOHIDE,
+
+	// Auto-show layers are the reverse of auto-hide layers
+	// These are only visible if the player is not colliding with them
+	LAYER_AUTOSHOW
+};
+
+class Layer {
+public:
+	// Name of the layer
+	Common::String _name;
+
+	// Dimensions of the layer in terms of tiles
+	int _w, _h;
+
+	Layer() {
+		_w = 0;
+		_h = 0;
+	}
+	bool load(rapidxml::xml_node<char> *node);
+};
+
+// Currently we just use one general purpose layer object instead of multiple inherited classes and stuff
+class MapLayer : public Layer {
+public:
+	// The tiles in the layer
+	Common::Array<Common::Array<TileInfo>> _tile;
+
+	// The type of layer
+	LayerType _type;
+
+	// The image in the layer
+	pyrodactyl::image::Image _img;
+
+	// The coordinates to draw the prop in(x,y) and dimensions of the area(w,h) in terms of tiles
+	// This is also the collision rectangle of the prop and auto hide layer
+	Rect _pos;
+
+	Common::List<Rect> _boundRect;
+
+	// The rate of scrolling of image, used for parallax
+	Vector2f _rate;
+
+	// Is the player colliding with the layer? (used for auto hide layer)
+	bool _collide;
+
+	MapLayer() : _rate(1, 1) {
+		_type = LAYER_NORMAL;
+		_collide = false;
+	}
+	bool load(const Common::Path &path, rapidxml::xml_node<char> *node);
+};
+} // End of namespace TMX
+
+} // End of namespace Crab
+
+#endif // CRAB_TMXLAYER_H