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engines/stark/gfx/tinyglactor.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 STARK_GFX_TINYGL_ACTOR_H
+#define STARK_GFX_TINYGL_ACTOR_H
+
+#include "engines/stark/gfx/renderentry.h"
+#include "engines/stark/visual/actor.h"
+#include "engines/stark/gfx/tinygl.h"
+
+#include "graphics/tinygl/tinygl.h"
+
+#include "common/hashmap.h"
+#include "common/hash-ptr.h"
+
+namespace Stark {
+namespace Gfx {
+
+class TinyGLDriver;
+
+struct _ActorVertex {
+	float pos1x;
+	float pos1y;
+	float pos1z;
+	float pos2x;
+	float pos2y;
+	float pos2z;
+	uint32 bone1;
+	uint32 bone2;
+	float boneWeight;
+	float normalx;
+	float normaly;
+	float normalz;
+	float texS;
+	float texT;
+	float x;
+	float y;
+	float z;
+	float nx;
+	float ny;
+	float nz;
+	float sx;
+	float sy;
+	float sz;
+	float r;
+	float g;
+	float b;
+};
+typedef _ActorVertex ActorVertex;
+
+class TinyGLActorRenderer : public VisualActor {
+public:
+	TinyGLActorRenderer(TinyGLDriver *gfx);
+	virtual ~TinyGLActorRenderer();
+
+	void render(const Math::Vector3d &position, float direction, const LightEntryArray &lights) override;
+
+protected:
+	typedef Common::HashMap<Face *, uint32 *> FaceBufferMap;
+
+	TinyGLDriver *_gfx;
+
+	ActorVertex *_faceVBO;
+	FaceBufferMap _faceEBO;
+
+	void clearVertices();
+	void uploadVertices();
+	ActorVertex *createModelVBO(const Model *model);
+	uint32 *createFaceEBO(const Face *face);
+	void setLightArrayUniform(const LightEntryArray &lights);
+
+	Math::Vector3d getShadowLightDirection(const LightEntryArray &lights, const Math::Vector3d &actorPosition, Math::Matrix3 worldToModelRot);
+
+	bool getPointLightContribution(LightEntry *light, const Math::Vector3d &actorPosition,
+			Math::Vector3d &direction, float weight = 1.0f);
+	bool getDirectionalLightContribution(LightEntry *light, Math::Vector3d &direction);
+	bool getSpotLightContribution(LightEntry *light, const Math::Vector3d &actorPosition, Math::Vector3d &direction);
+};
+
+} // End of namespace Gfx
+} // End of namespace Stark
+
+#endif // STARK_GFX_TINYGL_ACTOR_H