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engines/awe/system_stub.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/>.
+ *
+ */
+
+#ifndef AWE_SYSTEM_STUB_H
+#define AWE_SYSTEM_STUB_H
+
+#include "awe/intern.h"
+
+namespace Awe {
+
+struct PlayerInput {
+	enum {
+		DIR_LEFT = 1 << 0,
+		DIR_RIGHT = 1 << 1,
+		DIR_UP = 1 << 2,
+		DIR_DOWN = 1 << 3
+	};
+
+	uint8 dirMask = 0;
+	bool action = false; // run,shoot
+	bool jump = false;
+	bool code = false;
+	bool pause = false;
+	bool quit = false;
+	bool back = false;
+	char lastChar = '\0';
+	bool fastMode = false;
+};
+
+struct DisplayMode {
+	enum {
+		WINDOWED,
+		FULLSCREEN,    // stretch
+		FULLSCREEN_AR, // 16:10 aspect ratio
+	} mode;
+	int width = 0, height = 0; // window dimensions
+	bool opengl = false;       // GL renderer
+};
+
+struct SystemStub {
+	typedef void (*AudioCallback)(void *param, uint8 *stream, int len);
+
+	PlayerInput _pi;
+	DisplayMode _dm;
+
+	SystemStub() {}
+	virtual ~SystemStub() {}
+
+	virtual void init(const DisplayMode &dm) = 0;
+	virtual void fini() = 0;
+
+	// GL rendering
+	virtual void prepareScreen(int &w, int &h, float ar[4]) = 0;
+	virtual void updateScreen() = 0;
+	// framebuffer rendering
+	virtual void setPalette(const Color pal[16]) = 0;
+	virtual void setScreenPixels(const Graphics::Surface &src) = 0;
+
+	virtual void processEvents() = 0;
+	virtual void sleep(uint32 duration) = 0;
+	virtual uint32 getTimeStamp() = 0;
+};
+
+extern SystemStub *SystemStub_create(bool isAnniversaryEdition);
+
+} // namespace Awe
+
+#endif