Quake: attempt 2duke3d

Change-Id: I4285036e967d7f0722802d43cf2096c808ca5799

1 files changed, 158 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/quake/render.h b/apps/plugins/sdl/progs/quake/render.h
new file mode 100644
index 0000000..b5f8382
--- /dev/null
+++ b/apps/plugins/sdl/progs/quake/render.h
@@ -0,0 +1,158 @@
+/*
+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);
+