/*
 * 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 2
 * 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, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 */

/** \file \ingroup DNA
 *  \brief Object is a sort of wrapper for general info.
 */

#ifndef __DNA_OBJECT_TYPES_H__
#define __DNA_OBJECT_TYPES_H__

#include "DNA_object_enums.h"

#include "DNA_defs.h"
#include "DNA_listBase.h"
#include "DNA_ID.h"
#include "DNA_action_types.h" /* bAnimVizSettings */

#ifdef __cplusplus
extern "C" {
#endif

struct AnimData;
struct BoundBox;
struct DerivedMesh;
struct FluidsimSettings;
struct GpencilBatchCache;
struct Ipo;
struct Material;
struct Object;
struct PartDeflect;
struct ParticleSystem;
struct Path;
struct RigidBodyOb;
struct SculptSession;
struct SoftBody;
struct bGPdata;

/* Vertex Groups - Name Info */
typedef struct bDeformGroup {
	struct bDeformGroup *next, *prev;
	/** MAX_VGROUP_NAME. */
	char name[64];
	/* need this flag for locking weights */
	char flag, pad[7];
} bDeformGroup;

/* Face Maps*/
typedef struct bFaceMap {
	struct bFaceMap *next, *prev;
	/** MAX_VGROUP_NAME. */
	char name[64];
	char flag;
	char pad[7];
} bFaceMap;

#define MAX_VGROUP_NAME 64

/* bDeformGroup->flag */
#define DG_LOCK_WEIGHT 1

/**
 * The following illustrates the orientation of the
 * bounding box in local space
 *
 * <pre>
 *
 * Z  Y
 * | /
 * |/
 * .-----X
 *     2----------6
 *    /|         /|
 *   / |        / |
 *  1----------5  |
 *  |  |       |  |
 *  |  3-------|--7
 *  | /        | /
 *  |/         |/
 *  0----------4
 * </pre>
 */
typedef struct BoundBox {
	float vec[8][3];
	int flag, pad;
} BoundBox;

/* boundbox flag */
enum {
	BOUNDBOX_DISABLED = (1 << 0),
	BOUNDBOX_DIRTY  = (1 << 1),
};

typedef struct LodLevel {
	struct LodLevel *next, *prev;
	struct Object *source;
	int flags;
	float distance, pad;
	int obhysteresis;
} LodLevel;

/* Forward declaration for cache bbone deformation information.
 *
 * TODO(sergey): Consider moving it to more appropriate place. */
struct ObjectBBoneDeform;

/* Not saved in file! */
typedef struct Object_Runtime {
	/**
	 * The custom data layer mask that was last used
	 * to calculate mesh_eval and mesh_deform_eval.
	 */
	uint64_t last_data_mask;

	/** Axis aligned boundbox (in localspace). */
	struct BoundBox *bb;

	/**
	 * Original mesh pointer, before object->data was changed to point
	 * to mesh_eval.
	 * Is assigned by dependency graph's copy-on-write evaluation.
	 */
	struct Mesh *mesh_orig;
	/**
	 * Mesh structure created during object evaluation.
	 * It has all modifiers applied.
	 */
	struct Mesh *mesh_eval;
	/**
	 * Mesh structure created during object evaluation.
	 * It has deforemation only modifiers applied on it.
	 */
	struct Mesh *mesh_deform_eval;

	/** Runtime evaluated curve-specific data, not stored in the file. */
	struct CurveCache *curve_cache;

	/** Runtime grease pencil drawing data */
	struct GpencilBatchCache *gpencil_cache;

	struct ObjectBBoneDeform *cached_bbone_deformation;

	/** Did last modifier stack generation need mapping support? */
	char last_need_mapping;
	char pad[7];
} Object_Runtime;

typedef struct Object {
	ID id;
	/** Animation data (must be immediately after id for utilities to use it). */
	struct AnimData *adt;
	/** Runtime (must be immediately after id for utilities to use it). */
	struct DrawDataList drawdata;

	struct SculptSession *sculpt;

	short type, partype;
	/** Can be vertexnrs. */
	int par1, par2, par3;
	/** String describing subobject info, MAX_ID_NAME-2. */
	char parsubstr[64];
	struct Object *parent, *track;
	/* if ob->proxy (or proxy_group), this object is proxy for object ob->proxy */
	/* proxy_from is set in target back to the proxy. */
	struct Object *proxy, *proxy_group, *proxy_from;
	/** Old animation system, deprecated for 2.5. */
	struct Ipo *ipo  DNA_DEPRECATED;
	/* struct Path *path; */
	struct bAction *action  DNA_DEPRECATED;	 // XXX deprecated... old animation system
	struct bAction *poselib;
	/** Pose data, armature objects only. */
	struct bPose *pose;
	/** Pointer to objects data - an 'ID' or NULL. */
	void *data;

	/** Grease Pencil data. */
	struct bGPdata *gpd;

	/** Settings for visualization of object-transform animation. */
	bAnimVizSettings avs;
	/** Motion path cache for this object. */
	bMotionPath *mpath;
	void *pad1;

	ListBase constraintChannels  DNA_DEPRECATED; // XXX deprecated... old animation system
	ListBase effect  DNA_DEPRECATED;             // XXX deprecated... keep for readfile
	/** List of bDeformGroup (vertex groups) names and flag only. */
	ListBase defbase;
	/** List of ModifierData structures. */
	ListBase modifiers;
	/** List of GpencilModifierData structures. */
	ListBase greasepencil_modifiers;
	/** List of facemaps. */
	ListBase fmaps;
	/** List of viewport effects. Actually only used by grease pencil. */
	ListBase shader_fx;

	/** Local object mode. */
	int mode;
	int restore_mode;

	/* materials */
	/** Material slots. */
	struct Material **mat;
	/** A boolean field, with each byte 1 if corresponding material is linked to object. */
	char *matbits;
	/** Copy of mesh, curve & meta struct member of same name (keep in sync). */
	int totcol;
	/** Currently selected material in the UI. */
	int actcol;

	/* rot en drot have to be together! (transform('r' en 's')) */
	float loc[3], dloc[3], orig[3];
	/** Scale in fact. */
	float size[3];
	/** DEPRECATED, 2.60 and older only. */
	float dsize[3] DNA_DEPRECATED ;
	/** Ack!, changing. */
	float dscale[3];
	/** Euler rotation. */
	float rot[3], drot[3];
	/** Quaternion rotation. */
	float quat[4], dquat[4];
	/** Axis angle rotation - axis part. */
	float rotAxis[3], drotAxis[3];
	/** Axis angle rotation - angle part. */
	float rotAngle, drotAngle;
	/** Final worldspace matrix with constraints & animsys applied. */
	float obmat[4][4];
	/** Inverse result of parent, so that object doesn't 'stick' to parent. */
	float parentinv[4][4];
	/** Inverse result of constraints.
	 * doesn't include effect of parent or object local transform. */
	float constinv[4][4];
	/**
	 * Inverse matrix of 'obmat' for any other use than rendering!
	 *
	 * \note this isn't assured to be valid as with 'obmat',
	 * before using this value you should do...
	 * invert_m4_m4(ob->imat, ob->obmat);
	 */
	float imat[4][4];

	/* Previously 'imat' was used at render time, but as other places use it too
	 * the interactive ui of 2.5 creates problems. So now only 'imat_ren' should
	 * be used when ever the inverse of ob->obmat * re->viewmat is needed! - jahka
	 */
	float imat_ren[4][4];

	/** Copy of Base's layer in the scene. */
	unsigned int lay DNA_DEPRECATED;

	/** Copy of Base. */
	short flag;
	/** Deprecated, use 'matbits'. */
	short colbits DNA_DEPRECATED;

	/** Transformation settings and transform locks . */
	short transflag, protectflag;
	short trackflag, upflag;
	/** Used for DopeSheet filtering settings (expanded/collapsed). */
	short nlaflag;
	short pad[2];

	char pad12;
	char duplicator_visibility_flag;

	/* Depsgraph */
	/** Used by depsgraph, flushed from base. */
	short base_flag;
	/** Used by viewport, synced from base. */
	unsigned short base_local_view_bits;

	/** Collision mask settings */
	unsigned short col_group, col_mask;

	/** Rotation mode - uses defines set out in DNA_action_types.h for PoseChannel rotations.... */
	short rotmode;

	/** Bounding box use for drawing. */
	char boundtype;
	/** Bounding box type used for collision. */
	char collision_boundtype;

	/** Viewport draw extra settings. */
	short dtx;
	/** Viewport draw type. */
	char dt;
	char empty_drawtype;
	float empty_drawsize;
	/** Dupliface scale. */
	float instance_faces_scale;

	/** Custom index, for renderpasses. */
	short index;
	/** Current deformation group, note: index starts at 1. */
	unsigned short actdef;
	/** Current face map, note: index starts at 1. */
	unsigned short actfmap;
	unsigned char pad5[2];
	/** Object color. */
	float col[4];

	/** For restricting view, select, render etc. accessible in outliner. */
	char restrictflag;
	char pad3;
	/** Softbody settings. */
	short softflag;
	int pad2;

	/** Object constraints. */
	ListBase constraints;
	ListBase nlastrips  DNA_DEPRECATED;			// XXX deprecated... old animation system
	ListBase hooks  DNA_DEPRECATED;				// XXX deprecated... old animation system
	/** Particle systems. */
	ListBase particlesystem;

	/** Particle deflector/attractor/collision data. */
	struct PartDeflect *pd;
	/** If exists, saved in file. */
	struct SoftBody *soft;
	/** Object duplicator for group. */
	struct Collection *instance_collection;
	void *pad10;

	char  pad4;
	/** Flag for pinning. */
	char  shapeflag;
	/** Current shape key for menu or pinned. */
	short shapenr;
	/** Smoothresh is phong interpolation ray_shadow correction in render. */
	float smoothresh;

	/** If fluidsim enabled, store additional settings. */
	struct FluidsimSettings *fluidsimSettings;

	struct DerivedMesh *derivedDeform, *derivedFinal;
	void *pad7;

	ListBase pc_ids;

	/** Settings for Bullet rigid body. */
	struct RigidBodyOb *rigidbody_object;
	/** Settings for Bullet constraint. */
	struct RigidBodyCon *rigidbody_constraint;

	/** Offset for image empties. */
	float ima_ofs[2];
	/** Must be non-null when object is an empty image. */
	ImageUser *iuser;
	char empty_image_visibility_flag;
	char empty_image_depth;
	char pad11[6];

	/** Contains data for levels of detail. */
	ListBase lodlevels;
	LodLevel *currentlod;

	struct PreviewImage *preview;

	int pad6;
	int select_color;

	/* Runtime evaluation data (keep last). */
	Object_Runtime runtime;
} Object;

/* Warning, this is not used anymore because hooks are now modifiers */
typedef struct ObHook {
	struct ObHook *next, *prev;

	struct Object *parent;
	/** Matrix making current transform unmodified. */
	float parentinv[4][4];
	/** Temp matrix while hooking. */
	float mat[4][4];
	/** Visualization of hook. */
	float cent[3];
	/** If not zero, falloff is distance where influence zero. */
	float falloff;

	/** MAX_NAME. */
	char name[64];

	int *indexar;
	/** Curindex is cache for fast lookup. */
	int totindex, curindex;
	/** Active is only first hook, for button menu. */
	short type, active;
	float force;
} ObHook;

/* **************** OBJECT ********************* */

/* used many places... should be specialized  */
#define SELECT          1

/* type */
enum {
	OB_EMPTY      = 0,
	OB_MESH       = 1,
	OB_CURVE      = 2,
	OB_SURF       = 3,
	OB_FONT       = 4,
	OB_MBALL      = 5,

	OB_LAMP       = 10,
	OB_CAMERA     = 11,

	OB_SPEAKER    = 12,
	OB_LIGHTPROBE = 13,

/*	OB_WAVE       = 21, */
	OB_LATTICE    = 22,

/* 23 and 24 are for life and sector (old file compat.) */
	OB_ARMATURE   = 25,
/* Grease Pencil object used in 3D view but not used for annotation in 2D */
	OB_GPENCIL  = 26,

	OB_TYPE_MAX,
};

/* check if the object type supports materials */
#define OB_TYPE_SUPPORT_MATERIAL(_type) \
	(((_type) >= OB_MESH && (_type) <= OB_MBALL) || ((_type) == OB_GPENCIL))
#define OB_TYPE_SUPPORT_VGROUP(_type) \
	(ELEM(_type, OB_MESH, OB_LATTICE, OB_GPENCIL))
#define OB_TYPE_SUPPORT_EDITMODE(_type) \
	(ELEM(_type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL, OB_LATTICE, OB_ARMATURE))
#define OB_TYPE_SUPPORT_PARVERT(_type) \
	(ELEM(_type, OB_MESH, OB_SURF, OB_CURVE, OB_LATTICE))

/** Matches #OB_TYPE_SUPPORT_EDITMODE. */
#define OB_DATA_SUPPORT_EDITMODE(_type) \
	(ELEM(_type, ID_ME, ID_CU, ID_MB, ID_LT, ID_AR))

/* is this ID type used as object data */
#define OB_DATA_SUPPORT_ID(_id_type) \
	(ELEM(_id_type, ID_ME, ID_CU, ID_MB, ID_LA, ID_SPK, ID_LP, ID_CA, ID_LT, ID_GD, ID_AR))

#define OB_DATA_SUPPORT_ID_CASE \
	ID_ME: case ID_CU: case ID_MB: case ID_LA: case ID_SPK: case ID_LP: case ID_CA: case ID_LT: case ID_GD: case ID_AR

/* partype: first 4 bits: type */
enum {
	PARTYPE       = (1 << 4) - 1,
	PAROBJECT     = 0,
#ifdef DNA_DEPRECATED
	PARCURVE      = 1,  /* Deprecated. */
#endif
	PARKEY        = 2,  /* XXX Unused, deprecated? */

	PARSKEL       = 4,
	PARVERT1      = 5,
	PARVERT3      = 6,
	PARBONE       = 7,

	PAR_DEPRECATED = 16,
};

/* (short) transflag */
enum {
	OB_TRANSFLAG_DEPRECATED_0 = 1 << 0,
	OB_TRANSFLAG_DEPRECATED_1 = 1 << 1,
	OB_NEG_SCALE        = 1 << 2,
	OB_TRANSFLAG_DEPRECATED_3 = 1 << 3,
	OB_DUPLIVERTS       = 1 << 4,
	OB_DUPLIROT         = 1 << 5,
	OB_TRANSFLAG_DEPRECATED_4 = 1 << 6,
	/* runtime, calculate derivedmesh for dupli before it's used */
	OB_DUPLICALCDERIVED = 1 << 7,
	OB_DUPLICOLLECTION  = 1 << 8,
	OB_DUPLIFACES       = 1 << 9,
	OB_DUPLIFACES_SCALE = 1 << 10,
	OB_DUPLIPARTS       = 1 << 11,
	OB_TRANSLFAG_DEPRECATED_2 = 1 << 12,
	/* runtime constraints disable */
	OB_NO_CONSTRAINTS   = 1 << 13,
	/* hack to work around particle issue */
	OB_NO_PSYS_UPDATE   = 1 << 14,

	OB_DUPLI = OB_DUPLIVERTS | OB_DUPLICOLLECTION | OB_DUPLIFACES | OB_DUPLIPARTS,
};

/* (short) trackflag / upflag */
enum {
	OB_POSX = 0,
	OB_POSY = 1,
	OB_POSZ = 2,
	OB_NEGX = 3,
	OB_NEGY = 4,
	OB_NEGZ = 5,
};

/* dt: no flags */
enum {
	OB_BOUNDBOX  = 1,
	OB_WIRE      = 2,
	OB_SOLID     = 3,
	OB_MATERIAL  = 4,
	OB_TEXTURE   = 5,
	OB_RENDER    = 6,
};

/* dtx: flags (short) */
enum {
	OB_DRAWBOUNDOX    = 1 << 0,
	OB_AXIS           = 1 << 1,
	OB_TEXSPACE       = 1 << 2,
	OB_DRAWNAME       = 1 << 3,
	OB_DRAWIMAGE      = 1 << 4,
	/* for solid+wire display */
	OB_DRAWWIRE       = 1 << 5,
	/* for overdraw s*/
	OB_DRAWXRAY       = 1 << 6,
	/* enable transparent draw */
	OB_DRAWTRANSP     = 1 << 7,
	OB_DRAW_ALL_EDGES = 1 << 8,  /* only for meshes currently */
	OB_DRAW_NO_SHADOW_CAST = 1 << 9,
};

/* empty_drawtype: no flags */
enum {
	OB_ARROWS        = 1,
	OB_PLAINAXES     = 2,
	OB_CIRCLE        = 3,
	OB_SINGLE_ARROW  = 4,
	OB_CUBE          = 5,
	OB_EMPTY_SPHERE  = 6,
	OB_EMPTY_CONE    = 7,
	OB_EMPTY_IMAGE   = 8,
};

/* gpencil add types */
enum {
	GP_EMPTY = 0,
	GP_STROKE = 1,
	GP_MONKEY = 2,
};

/* boundtype */
enum {
	OB_BOUND_BOX           = 0,
	OB_BOUND_SPHERE        = 1,
	OB_BOUND_CYLINDER      = 2,
	OB_BOUND_CONE          = 3,
	OB_BOUND_TRIANGLE_MESH = 4,
	OB_BOUND_CONVEX_HULL   = 5,
/*	OB_BOUND_DYN_MESH      = 6, */ /*UNUSED*/
	OB_BOUND_CAPSULE       = 7,
};

/* lod flags */
enum {
	OB_LOD_USE_MESH		= 1 << 0,
	OB_LOD_USE_MAT		= 1 << 1,
	OB_LOD_USE_HYST		= 1 << 2,
};


/* **************** BASE ********************* */

/* also needed for base!!!!! or rather, they interfere....*/
/* base->flag and ob->flag */
enum {
	BA_WAS_SEL = (1 << 1),
	/* NOTE: BA_HAS_RECALC_DATA can be re-used later if freed in readfile.c. */
	// BA_HAS_RECALC_OB = (1 << 2),  /* DEPRECATED */
	// BA_HAS_RECALC_DATA =  (1 << 3),  /* DEPRECATED */
	/** DEPRECATED, was runtime only, but was reusing an older flag. */
	BA_SNAP_FIX_DEPS_FIASCO = (1 << 2),
};

	/* NOTE: this was used as a proper setting in past, so nullify before using */
#define BA_TEMP_TAG         (1 << 5)

/* #define BA_FROMSET          (1 << 7) */ /*UNUSED*/

#define BA_TRANSFORM_CHILD  (1 << 8)  /* child of a transformed object */
#define BA_TRANSFORM_PARENT (1 << 13)  /* parent of a transformed object */

#define OB_FROMDUPLI        (1 << 9)
#define OB_DONE             (1 << 10)  /* unknown state, clear before use */
#ifdef DNA_DEPRECATED_ALLOW
#  define OB_FLAG_DEPRECATED_11        (1 << 11)  /* cleared */
#  define OB_FLAG_DEPRECATED_12        (1 << 12)  /* cleared */
#endif

/* ob->restrictflag */
enum {
	OB_RESTRICT_VIEW    = 1 << 0,
	OB_RESTRICT_SELECT  = 1 << 1,
	OB_RESTRICT_RENDER  = 1 << 2,
};

/* ob->shapeflag */
enum {
	OB_SHAPE_LOCK       = 1 << 0,
#ifdef DNA_DEPRECATED_ALLOW
	OB_SHAPE_FLAG_DEPRECATED_1   = 1 << 1,  /* cleared */
#endif
	OB_SHAPE_EDIT_MODE  = 1 << 2,
};

/* ob->nlaflag */
enum {
	/* WARNING: flags (1 << 0) and (1 << 1) were from old animsys */
	/* object-channel expanded status */
	OB_ADS_COLLAPSED    = 1 << 10,
	/* object's ipo-block */
	OB_ADS_SHOWIPO      = 1 << 11,
	/* object's constraint channels */
	OB_ADS_SHOWCONS     = 1 << 12,
	/* object's material channels */
	OB_ADS_SHOWMATS     = 1 << 13,
	/* object's marticle channels */
	OB_ADS_SHOWPARTS    = 1 << 14,
};

/* ob->protectflag */
enum {
	OB_LOCK_LOCX    = 1 << 0,
	OB_LOCK_LOCY    = 1 << 1,
	OB_LOCK_LOCZ    = 1 << 2,
	OB_LOCK_LOC     = OB_LOCK_LOCX | OB_LOCK_LOCY | OB_LOCK_LOCZ,
	OB_LOCK_ROTX    = 1 << 3,
	OB_LOCK_ROTY    = 1 << 4,
	OB_LOCK_ROTZ    = 1 << 5,
	OB_LOCK_ROT     = OB_LOCK_ROTX | OB_LOCK_ROTY | OB_LOCK_ROTZ,
	OB_LOCK_SCALEX  = 1 << 6,
	OB_LOCK_SCALEY  = 1 << 7,
	OB_LOCK_SCALEZ  = 1 << 8,
	OB_LOCK_SCALE   = OB_LOCK_SCALEX | OB_LOCK_SCALEY | OB_LOCK_SCALEZ,
	OB_LOCK_ROTW    = 1 << 9,
	OB_LOCK_ROT4D   = 1 << 10,
};

/* ob->duplicator_visibility_flag */
enum {
	OB_DUPLI_FLAG_VIEWPORT = 1 << 0,
	OB_DUPLI_FLAG_RENDER   = 1 << 1,
};

/* ob->empty_image_depth */
#define OB_EMPTY_IMAGE_DEPTH_DEFAULT 0
#define OB_EMPTY_IMAGE_DEPTH_FRONT 1
#define OB_EMPTY_IMAGE_DEPTH_BACK 2

/** #Object.empty_image_visibility_flag */
enum {
	OB_EMPTY_IMAGE_HIDE_PERSPECTIVE  = 1 << 0,
	OB_EMPTY_IMAGE_HIDE_ORTHOGRAPHIC = 1 << 1,
	OB_EMPTY_IMAGE_HIDE_BACK         = 1 << 2,
	OB_EMPTY_IMAGE_HIDE_FRONT        = 1 << 3,
};

#define MAX_DUPLI_RECUR 8

#ifdef __cplusplus
}
#endif

#endif