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engines/wintermute/base/gfx/3dshadow_volume.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 file is based on WME.
+ * http://dead-code.org/redir.php?target=wme
+ * Copyright (c) 2003-2013 Jan Nedoma and contributors
+ */
+
+#ifndef WINTERMUTE_3D_SHADOW_VOLUME_H
+#define WINTERMUTE_3D_SHADOW_VOLUME_H
+
+#include "engines/wintermute/base/base.h"
+#include "engines/wintermute/base/gfx/xbuffer.h"
+#include "engines/wintermute/base/gfx/xmesh.h"
+#include "engines/wintermute/base/gfx/xmath.h"
+#include "engines/wintermute/coll_templ.h"
+
+namespace Wintermute {
+
+struct ShadowVertex {
+	float x;
+	float y;
+	float z;
+	uint8 r;
+	uint8 g;
+	uint8 b;
+	uint8 a;
+};
+
+class ShadowVolume : public BaseClass {
+public:
+	ShadowVolume(BaseGame *inGame);
+	virtual ~ShadowVolume();
+
+	bool addMesh(DXMesh *mesh, uint32 *adjacency, DXMatrix *modelMat, DXVector3 *light, float extrusionDepth);
+	void addVertex(DXVector3 &vertex);
+	bool reset();
+
+	virtual bool renderToStencilBuffer() = 0;
+	virtual bool renderToScene() = 0;
+
+	bool setColor(uint32 color);
+
+protected:
+	BaseArray<DXVector3> _vertices; // Vertex data for rendering shadow volume
+	uint32 _color;
+
+private:
+	virtual bool initMask() = 0;
+};
+
+} // namespace Wintermute
+
+#endif