Subversion Repositories Kolibri OS

/*

Copyright (C) 1996-1997 Id Software, Inc.

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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

// refresh.h -- public interface to refresh functions

#define	MAXCLIPPLANES	11

#define	TOP_RANGE		16			// soldier uniform colors

#define	BOTTOM_RANGE	96

//=============================================================================

typedef struct efrag_s

{

	struct mleaf_s		*leaf;

	struct efrag_s		*leafnext;

	struct entity_s		*entity;

	struct efrag_s		*entnext;

} efrag_t;

typedef struct entity_s

{

	qboolean				forcelink;		// model changed

	int						update_type;

	entity_state_t			baseline;		// to fill in defaults in updates

	double					msgtime;		// time of last update

	vec3_t					msg_origins[2];	// last two updates (0 is newest)

	vec3_t					origin;

	vec3_t					msg_angles[2];	// last two updates (0 is newest)

	vec3_t					angles;

	struct model_s			*model;			// NULL = no model

	struct efrag_s			*efrag;			// linked list of efrags

	int						frame;

	float					syncbase;		// for client-side animations

	byte					*colormap;

	int						effects;		// light, particals, etc

	int						skinnum;		// for Alias models

	int						visframe;		// last frame this entity was

											//  found in an active leaf

	int						dlightframe;	// dynamic lighting

	int						dlightbits;

// FIXME: could turn these into a union

	int						trivial_accept;

	struct mnode_s			*topnode;		// for bmodels, first world node

											//  that splits bmodel, or NULL if

											//  not split

} entity_t;

// !!! if this is changed, it must be changed in asm_draw.h too !!!

typedef struct

{

	vrect_t		vrect;				// subwindow in video for refresh

									// FIXME: not need vrect next field here?

	vrect_t		aliasvrect;			// scaled Alias version

	int			vrectright, vrectbottom;	// right & bottom screen coords

	int			aliasvrectright, aliasvrectbottom;	// scaled Alias versions

	float		vrectrightedge;			// rightmost right edge we care about,

										//  for use in edge list

	float		fvrectx, fvrecty;		// for floating-point compares

	float		fvrectx_adj, fvrecty_adj; // left and top edges, for clamping

	int			vrect_x_adj_shift20;	// (vrect.x + 0.5 - epsilon) << 20

	int			vrectright_adj_shift20;	// (vrectright + 0.5 - epsilon) << 20

	float		fvrectright_adj, fvrectbottom_adj;

										// right and bottom edges, for clamping

	float		fvrectright;			// rightmost edge, for Alias clamping

	float		fvrectbottom;			// bottommost edge, for Alias clamping

	float		horizontalFieldOfView;	// at Z = 1.0, this many X is visible

										// 2.0 = 90 degrees

	float		xOrigin;			// should probably allways be 0.5

	float		yOrigin;			// between be around 0.3 to 0.5

	vec3_t		vieworg;

	vec3_t		viewangles;

	float		fov_x, fov_y;

	int			ambientlight;

} refdef_t;

//

// refresh

//

extern	int		reinit_surfcache;

extern	refdef_t	r_refdef;

extern vec3_t	r_origin, vpn, vright, vup;

extern	struct texture_s	*r_notexture_mip;

void R_Init (void);

void R_InitTextures (void);

void R_InitEfrags (void);

void R_RenderView (void);		// must set r_refdef first

void R_ViewChanged (vrect_t *pvrect, int lineadj, float aspect);

								// called whenever r_refdef or vid change

void R_InitSky (struct texture_s *mt);	// called at level load

void R_AddEfrags (entity_t *ent);

void R_RemoveEfrags (entity_t *ent);

void R_NewMap (void);

void R_ParseParticleEffect (void);

void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count);

void R_RocketTrail (vec3_t start, vec3_t end, int type);

#ifdef QUAKE2

void R_DarkFieldParticles (entity_t *ent);

#endif

void R_EntityParticles (entity_t *ent);

void R_BlobExplosion (vec3_t org);

void R_ParticleExplosion (vec3_t org);

void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength);

void R_LavaSplash (vec3_t org);

void R_TeleportSplash (vec3_t org);

void R_PushDlights (void);

//

// surface cache related

//

extern	int		reinit_surfcache;	// if 1, surface cache is currently empty and

extern qboolean	r_cache_thrash;	// set if thrashing the surface cache

int	D_SurfaceCacheForRes (int width, int height);

void D_FlushCaches (void);

void D_DeleteSurfaceCache (void);

void D_InitCaches (void *buffer, int size);

void R_SetVrect (vrect_t *pvrect, vrect_t *pvrectin, int lineadj);