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engines/ags/plugins/ags_parallax/ags_parallax.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
+ * 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/>.
+ *
+ */
+
+#ifndef AGS_PLUGINS_AGS_PARALLAX_AGS_PARALLAX_H
+#define AGS_PLUGINS_AGS_PARALLAX_AGS_PARALLAX_H
+
+#include "ags/plugins/plugin_base.h"
+#include "ags/plugins/serializer.h"
+
+namespace AGS3 {
+namespace Plugins {
+namespace AGSParallax {
+
+struct Sprite {
+	int32 x = 0;
+	int32 y = 0;
+	int slot = -1;
+	int speed = 0;
+
+	void syncGame(Serializer &s);
+};
+
+#define MAX_SPEED 1000
+#define MAX_SPRITES 100
+
+/**
+ * This is not the AGS Parallax plugin by Scorpiorus
+ * but a workalike plugin created for the AGS engine ports.
+ */
+class AGSParallax : public PluginBase {
+	SCRIPT_HASH(AGSParallax)
+private:
+	int32 _screenWidth = 320;
+	int32 _screenHeight = 200;
+	int32 _screenColorDepth = 32;
+
+	bool _enabled = false;
+	Sprite _sprites[MAX_SPRITES];
+
+private:
+	void pxDrawSprite(ScriptMethodParams &params);
+	void pxDeleteSprite(ScriptMethodParams &params);
+	void pxRemoveAllSprites(ScriptMethodParams &params);
+
+	void syncGame(Serializer &s);
+	void Draw(bool foreground);
+	void clear();
+
+public:
+	AGSParallax() : PluginBase() {}
+	virtual ~AGSParallax() {}
+
+	const char *AGS_GetPluginName() override;
+	void AGS_EngineStartup(IAGSEngine *lpEngine) override;
+	int64 AGS_EngineOnEvent(int event, NumberPtr data) override;
+};
+
+} // namespace AGSParallax
+} // namespace Plugins
+} // namespace AGS3
+
+#endif