Added modelviewer.

Added neural network code(turned off by default).
Lots of editor and rendering fixes.

neo/engine/framework/DeclModelDefInterface.h

@@ -0,0 +1,72 @@
+#pragma once
+
+class idMD5Anim;
+
+typedef struct {
+	jointHandle_t			num;
+	jointHandle_t			parentNum;
+	int						channel;
+} jointInfo_t;
+
+class idMD5AnimInterface {
+public:
+	virtual const char* Name() const = 0;
+};
+
+class idAnimInterface {
+public:
+	virtual int NumAnims() const = 0;
+	virtual const idMD5Anim* MD5Anim(int index) const = 0;
+	virtual const char* Name() const = 0;
+};
+
+/*
+===============
+idDeclModelDefInterface
+
+Engine/editor-facing interface for modelDef decls.
+
+This lets Radiant / editor code depend on the modelDef API without needing the
+full concrete idDeclModelDef type in scope.
+===============
+*/
+class idDeclModelDefInterface : public idDecl {
+public:
+	virtual							~idDeclModelDefInterface() {}
+
+	// idDecl interface
+	virtual size_t					Size(void) const = 0;
+	virtual const char* DefaultDefinition(void) const = 0;
+	virtual bool					Parse(const char* text, const int textLength) = 0;
+	virtual void					FreeData(void) = 0;
+
+	// modelDef interface
+	virtual void					Touch(void) const = 0;
+
+	virtual const idDeclSkin* GetDefaultSkin(void) const = 0;
+	virtual const idJointQuat* GetDefaultPose(void) const = 0;
+	virtual void					SetupJoints(int* numJoints, idJointMat** jointList, idBounds& frameBounds, bool removeOriginOffset) const = 0;
+	virtual idRenderModel* ModelHandle(void) const = 0;
+	virtual void					GetJointList(const char* jointnames, idList<jointHandle_t>& jointList) const = 0;
+	virtual const jointInfo_t* FindJoint(const char* name) const = 0;
+
+	virtual int						NumAnims(void) const = 0;
+	virtual const idAnimInterface* GetAnim(int index) const = 0;
+	virtual int						GetSpecificAnim(const char* name) const = 0;
+	virtual int						GetAnim(const char* name) const = 0;
+	virtual bool					HasAnim(const char* name) const = 0;
+
+	virtual const idDeclSkin* GetSkin(void) const = 0;
+	virtual const char* GetModelName(void) const = 0;
+
+	virtual const idList<jointInfo_t>& Joints(void) const = 0;
+	virtual const int* JointParents(void) const = 0;
+	virtual int						NumJoints(void) const = 0;
+	virtual const jointInfo_t* GetJoint(int jointHandle) const = 0;
+	virtual const char* GetJointName(int jointHandle) const = 0;
+
+	virtual int						NumJointsOnChannel(int channel) const = 0;
+	virtual const int* GetChannelJoints(int channel) const = 0;
+
+	virtual const idVec3& GetVisualOffset(void) const = 0;
+};