#ifndef _CAMERA_H
#define _CAMERA_H

#include "Matrixf.h"
#include "Vector3.h"
#include "types.h"
#include "Container.h"
#include "Plane.h"
#include "System.h"
#include "Game/P2JST/ObjectCamera.h"

namespace Game {
namespace P2JST {
struct ObjectCamera;
}
} // namespace Game

namespace Sys {
struct Sphere;
struct Cylinder;
} // namespace Sys

// Size: 0x28
struct CullPlane : public ArrayContainer<Plane> {

	// needed for Camera ctor
	inline CullPlane(int a)
	{
		alloc(6);
		mCount = 6;
	}

	virtual ~CullPlane() { }                      // _08 (weak)
	virtual void writeObject(Stream&, Plane&) {}; // _2C (weak)
	virtual void readObject(Stream&, Plane&) {};  // _30 (weak)

	bool isPointVisible(Vector3f&, f32);
	bool isVisible(Sys::Sphere&);
	bool isCylinderVisible(Sys::Cylinder&);
};

// Size: 0x34
struct CullFrustum : public CullPlane {

	// needed for Camera ctor
	inline CullFrustum(int a)
	    : CullPlane(a)
	{
		mViewAngle = 60.0f;
		u16 height = sys->getRenderModeObj()->efbHeight;
		u16 width  = sys->getRenderModeObj()->fbWidth;

		mAspectRatio = width / height;
	}

	virtual ~CullFrustum() { }                                   // _08
	virtual Matrixf* getViewMatrix(bool) { return mViewMatrix; } // _48 (weak)
	virtual Vector3f getPosition();                              // _4C
	virtual void updatePlanes();                                 // _50

	Vector3f getSideVector();
	Vector3f getUpVector();
	Vector3f getViewVector();

	// CullPlane _00 - _24
	f32 mViewAngle;       // _28
	f32 mAspectRatio;     // _2C
	Matrixf* mViewMatrix; // _30
};

// Size: 0x144
struct Camera : public CullFrustum {
	Camera();

	virtual ~Camera() { }                                     // _08 (weak)
	virtual Matrixf* getViewMatrix(bool);                     // _48
	virtual Vector3f getPosition();                           // _4C
	virtual void updatePlanes();                              // _50
	virtual void updateScreenConstants();                     // _54
	virtual Vector3f getLookAtPosition_();                    // _58 (weak)
	virtual f32 getTargetDistance();                          // _5C (weak)
	virtual Vector3f* getPositionPtr();                       // _60
	virtual Vector3f* on_getPositionPtr() { return nullptr; } // _64 (weak)
	virtual Vector3f* getSoundPositionPtr()                   // _68 (weak)
	{
		return &mSoundPosition;
	}
	virtual Matrixf* getSoundMatrixPtr() // _6C (weak)
	{
		return &mSoundMatrix;
	}
	virtual bool isSpecialCamera(); // _70 (weak)
	virtual void updateMatrix() { } // _74 (weak)
	virtual void doUpdate();        // _78 (weak)

	f32 calcProperDistance(f32, f32);
	f32 calcScreenSize(Sys::Sphere&);
	void copyFrom(Camera*);
	f32 getFar();
	Vector3f getLookAtPosition();
	f32 getNear();
	void setFixNearFar(bool, f32, f32);
	void setProjection();
	void update();
	// void updatePlanes();
	void updateSoundCamera(f32);

	inline bool isRunning() { return (mJstObject && mJstObject->isRunning()); }

	// CullFrustum _00 - _34
	Matrixf mCurViewMatrix;                // _034
	f32 mNear;                             // _064 - distance to 'near' plane
	f32 mFar;                              // _068 - distance to 'far' plane
	bool isFixed;                          // _06C
	f32 mProjectionNear;                   // _070 - projected distance to 'near' plane when not in fixed camera
	f32 mProjectionFar;                    // _074 - projected distance to 'far' plane when not in fixed camera
	Vector3f mSoundPosition;               // _078
	Matrixf mSoundMatrix;                  // _084
	Mtx44 mProjectionMtx;                  // _0B4
	Mtx44 _F4;                             // _0F4
	f32 _134;                              // _134
	f32 _138;                              // _138
	f32 _13C;                              // _13C
	Game::P2JST::ObjectCamera* mJstObject; // _140
};

struct LookAtCamera : public Camera {
	LookAtCamera();

	virtual ~LookAtCamera() { }            // _08 (weak)
	virtual Vector3f getLookAtPosition_(); // _58 (weak)
	virtual Vector3f* on_getPositionPtr(); // _64 (weak)
	virtual void updateMatrix();           // _74
	virtual void startVibration(int);      // _7C (weak)

	// Camera _00 - _144
	Matrixf _144;             // _144
	Vector3f _174;            // _174 /* Sodium called this `position`, PikDecomp called it `angle`. :shrug: */
	Vector3f mLookAtPosition; // _180 /* PikDecomp called this `position`. */
	Vector3f _18C;            // _18C
};

struct BlendCamera : public Camera {
	BlendCamera(int, Camera**);

	virtual ~BlendCamera() { } // _08 (weak)
	virtual void doUpdate();   // _78

	void setBlendFactor(f32);
	void setCameras(Camera**);

	// Camera _00 - _144
	int mCameraCount;  // _144
	Camera** mCameras; // _148
	f32 mBlendFactor;  // _14C
	Matrixf _150;      // _150
};

namespace PSM {
extern f32 sCamFov;
}

#endif