Separated OpenGL specific code into its own "compilation unit"

2015-10-06 19:11:19 +02:00
parent 116cfb5759
commit 13360856f9
28 changed files with 258 additions and 152 deletions
@@ -0,0 +1,118 @@
+/*
+	This file is part of Daydream Engine.
+	Copyright 2014 Adam Byléhn, Tobias Dahl, Simon Holmberg, Viktor Ljung
+	
+	Daydream Engine is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	Daydream Engine 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 Lesser General Public License for more details.
+	
+	You should have received a copy of the GNU Lesser General Public License
+	along with Daydream Engine.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef Skeleton_h__
+#define Skeleton_h__
+
+#include <sstream>
+
+namespace dd
+{
+
+//struct Bone
+//{
+//	Bone(std::string name, glm::mat4 offsetMatrix)
+//		: Name(name)
+//		, OffsetMatrix(offsetMatrix)
+//	{ }
+//
+//	~Bone()
+//	{
+//		for (auto kv : Children) {
+//			delete kv.second;
+//		}
+//	}
+//
+//	std::string Name;
+//	glm::mat4 OffsetMatrix;
+//	glm::mat4 LocalMatrix;
+//
+//	std::map<std::string, Bone*> Children;
+//};
+
+class Skeleton
+{
+public:
+	struct Bone
+	{
+		Bone(int id, Bone* parent, std::string name, glm::mat4 offsetMatrix)
+			: ID(id)
+			, Parent(parent)
+			, Name(name)
+			, OffsetMatrix(offsetMatrix)
+		{ }
+
+		int ID;
+		std::string Name;
+		glm::mat4 OffsetMatrix;
+
+		Bone* Parent;
+		std::vector<Bone*> Children;
+	};
+
+	struct Animation
+	{
+		struct Keyframe
+		{
+			struct BoneProperty
+			{
+				int ID;
+				glm::vec3 Position;
+				glm::quat Rotation;
+				glm::vec3 Scale = glm::vec3(1);
+			};
+
+			int Index = 0;
+			double Time = 0.0;
+			std::map<int, Keyframe::BoneProperty> BoneProperties;
+		};
+
+		std::string Name;
+		double Duration;
+		std::vector<Keyframe> Keyframes;
+	};
+
+	Skeleton() { }
+	~Skeleton();
+
+	Bone* RootBone;
+
+	std::map<int, Bone*> Bones;
+
+	// Attach a new bone to the skeleton
+	// Returns: New bone index
+	int CreateBone(int ID, int parentID, std::string name, glm::mat4 offsetMatrix);
+
+	int GetBoneID(std::string name);
+
+	const Animation* GetAnimation(std::string name);
+	std::vector<glm::mat4> GetFrameBones(const Animation& animation, double time, bool noRootMotion = false);
+	void AccumulateBoneTransforms(bool noRootMotion, const Animation::Keyframe& currentFrame, const Animation::Keyframe& nextFrame, float progress, std::map<int, glm::mat4>& boneMatrices, const Bone* bone, glm::mat4 parentMatrix);
+	void PrintSkeleton();
+	void PrintSkeleton(const Bone* parent, int depthCount);
+	std::map<std::string, Animation> Animations;
+
+private:
+	std::map<std::string, Bone*> m_BonesByName;
+
+	int GetKeyframe(const Animation& animation, double time);
+};
+
+}
+
+#endif // Skeleton_h__