quakeforge/include/QF/plugin/vid_render.h

/*
	QF/plugin/vid_render.h

	Video Renderer plugin data types

	Copyright (C) 2001 Jeff Teunissen <deek@quakeforge.net>

	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:

		Free Software Foundation, Inc.
		59 Temple Place - Suite 330
		Boston, MA  02111-1307, USA

	$Id$
*/
#ifndef __QF_plugin_vid_render_h_
#define __QF_plugin_vid_render_h_

#include <QF/draw.h>
#include <QF/plugin.h>
#include <QF/qtypes.h>
#include <QF/render.h>
#include <QF/screen.h>

struct plitem_s;
struct cvar_s;

/*
	All video plugins must export these functions
*/

typedef struct vid_particle_funcs_s {
	void (*R_RocketTrail) (const struct entity_s *ent);
	void (*R_GrenadeTrail) (const struct entity_s *ent);
	void (*R_BloodTrail) (const struct entity_s *ent);
	void (*R_SlightBloodTrail) (const struct entity_s *ent);
	void (*R_WizTrail) (const struct entity_s *ent);
	void (*R_FlameTrail) (const struct entity_s *ent);
	void (*R_VoorTrail) (const struct entity_s *ent);
	void (*R_GlowTrail) (const struct entity_s *ent, int glow_color);

	void (*R_RunParticleEffect) (const vec3_t org, const vec3_t dir,
									int color, int count);
	void (*R_BloodPuffEffect) (const vec3_t org, int count);
	void (*R_GunshotEffect) (const vec3_t org, int count);
	void (*R_LightningBloodEffect) (const vec3_t org);
	void (*R_SpikeEffect) (const vec3_t org);
	void (*R_KnightSpikeEffect) (const vec3_t org);
	void (*R_SuperSpikeEffect) (const vec3_t org);
	void (*R_WizSpikeEffect) (const vec3_t org);

	void (*R_BlobExplosion) (const vec3_t org);
	void (*R_ParticleExplosion) (const vec3_t org);
	void (*R_ParticleExplosion2) (const vec3_t org, int colorStart,
									 int colorLength);
	void (*R_LavaSplash) (const vec3_t org);
	void (*R_TeleportSplash) (const vec3_t org);
	void (*R_DarkFieldParticles) (const struct entity_s *ent);
	void (*R_EntityParticles) (const struct entity_s *ent);
} vid_particle_funcs_t;

typedef struct vid_render_funcs_s {
	void (*Draw_Init) (void);
	void (*Draw_Character) (int x, int y, unsigned ch);
	void (*Draw_String) (int x, int y, const char *str);
	void (*Draw_nString) (int x, int y, const char *str, int count);
	void (*Draw_AltString) (int x, int y, const char *str);
	void (*Draw_ConsoleBackground) (int lines, byte alpha);
	void (*Draw_Crosshair) (void);
	void (*Draw_CrosshairAt) (int ch, int x, int y);
	void (*Draw_TileClear) (int x, int y, int w, int h);
	void (*Draw_Fill) (int x, int y, int w, int h, int c);
	void (*Draw_TextBox) (int x, int y, int width, int lines, byte alpha);
	void (*Draw_FadeScreen) (void);
	void (*Draw_BlendScreen) (quat_t color);
	qpic_t *(*Draw_CachePic) (const char *path, qboolean alpha);
	void (*Draw_UncachePic) (const char *path);
	qpic_t *(*Draw_MakePic) (int width, int height, const byte *data);
	void (*Draw_DestroyPic) (qpic_t *pic);
	qpic_t *(*Draw_PicFromWad) (const char *name);
	void (*Draw_Pic) (int x, int y, qpic_t *pic);
	void (*Draw_Picf) (float x, float y, qpic_t *pic);
	void (*Draw_SubPic) (int x, int y, qpic_t *pic, int srcx, int srcy, int width, int height);


	// scr_funcs is a null terminated array
	void (*SCR_UpdateScreen) (double realtime, SCR_Func scr_3dfunc,
							  SCR_Func *scr_funcs);
	void (*SCR_DrawRam) (void);
	void (*SCR_DrawFPS) (void);
	void (*SCR_DrawTime) (void);
	void (*SCR_DrawTurtle) (void);
	void (*SCR_DrawPause) (void);
	struct tex_s *(*SCR_CaptureBGR) (void);

	void (*Fog_Update) (float density, float red, float green, float blue,
						float time);
	void (*Fog_ParseWorldspawn) (struct plitem_s *worldspawn);

	void (*R_ClearState) (void);
	void (*R_LoadSkys) (const char *);
	void (*R_NewMap) (model_t *worldmodel, model_t **models, int num_models);
	void (*R_AddEfrags) (entity_t *ent);
	void (*R_RemoveEfrags) (entity_t *ent);
	dlight_t *(*R_AllocDlight) (int key);
	entity_t *(*R_AllocEntity) (void);
	void (*R_RenderView) (void);
	void (*R_DecayLights) (double frametime);
	void (*D_FlushCaches) (void);

	vid_particle_funcs_t *particles;
} vid_render_funcs_t;

typedef struct vid_render_data_s {
	viddef_t   *vid;
	refdef_t   *refdef;
	vrect_t    *scr_vrect;
	int         scr_copytop;
	int         scr_copyeverything;
	int         scr_fullupdate;	// set to 0 to force full redraw
	void       (*viewsize_callback) (struct cvar_s *);
	struct cvar_s *scr_viewsize;
	float       min_wateralpha;
	qboolean    active;
	qboolean    force_fullscreen;
	qboolean    inhibit_viewmodel;
	qboolean    paused;
	int         lineadj;
	struct entity_s *view_model;
	struct entity_s *player_entity;
	float       gravity;
	double      frametime;
	double      realtime;
	lightstyle_t *lightstyle;
	vec_t      *origin;
	vec_t      *vpn;
	vec_t      *vright;
	vec_t      *vup;
} vid_render_data_t;

#endif // __QF_plugin_vid_render_h_