Quake: attempt 2duke3d

Change-Id: I4285036e967d7f0722802d43cf2096c808ca5799

1 files changed, 382 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/quake/model.h b/apps/plugins/sdl/progs/quake/model.h
new file mode 100644
index 0000000..2e89862
--- /dev/null
+++ b/apps/plugins/sdl/progs/quake/model.h
@@ -0,0 +1,382 @@
+/*
+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.
+
+*/
+
+#ifndef __MODEL__
+#define __MODEL__
+
+#include "modelgen.h"
+#include "spritegn.h"
+
+/*
+
+d*_t structures are on-disk representations
+m*_t structures are in-memory
+
+*/
+
+/*
+==============================================================================
+
+BRUSH MODELS
+
+==============================================================================
+*/
+
+
+//
+// in memory representation
+//
+// !!! if this is changed, it must be changed in asm_draw.h too !!!
+typedef struct
+{
+	vec3_t		position;
+} mvertex_t;
+
+#define	SIDE_FRONT	0
+#define	SIDE_BACK	1
+#define	SIDE_ON		2
+
+
+// plane_t structure
+// !!! if this is changed, it must be changed in asm_i386.h too !!!
+typedef struct mplane_s
+{
+	vec3_t	normal;
+	float	dist;
+	byte	type;			// for texture axis selection and fast side tests
+	byte	signbits;		// signx + signy<<1 + signz<<1
+	byte	pad[2];
+} mplane_t;
+
+typedef struct texture_s
+{
+	char		name[16];
+	unsigned	width, height;
+	int			anim_total;				// total tenths in sequence ( 0 = no)
+	int			anim_min, anim_max;		// time for this frame min <=time< max
+	struct texture_s *anim_next;		// in the animation sequence
+	struct texture_s *alternate_anims;	// bmodels in frmae 1 use these
+	unsigned	offsets[MIPLEVELS];		// four mip maps stored
+} texture_t;
+
+
+#define	SURF_PLANEBACK		2
+#define	SURF_DRAWSKY		4
+#define SURF_DRAWSPRITE		8
+#define SURF_DRAWTURB		0x10
+#define SURF_DRAWTILED		0x20
+#define SURF_DRAWBACKGROUND	0x40
+
+// !!! if this is changed, it must be changed in asm_draw.h too !!!
+typedef struct
+{
+	unsigned short	v[2];
+	unsigned int	cachededgeoffset;
+} medge_t;
+
+typedef struct
+{
+	float		vecs[2][4];
+	float		mipadjust;
+	texture_t	*texture;
+	int			flags;
+} mtexinfo_t;
+
+typedef struct msurface_s
+{
+	int			visframe;		// should be drawn when node is crossed
+
+	int			dlightframe;
+	int			dlightbits;
+
+	mplane_t	*plane;
+	int			flags;
+
+	int			firstedge;	// look up in model->surfedges[], negative numbers
+	int			numedges;	// are backwards edges
+	
+// surface generation data
+	struct surfcache_s	*cachespots[MIPLEVELS];
+
+	short		texturemins[2];
+	short		extents[2];
+
+	mtexinfo_t	*texinfo;
+	
+// lighting info
+	byte		styles[MAXLIGHTMAPS];
+	byte		*samples;		// [numstyles*surfsize]
+} msurface_t;
+
+typedef struct mnode_s
+{
+// common with leaf
+	int			contents;		// 0, to differentiate from leafs
+	int			visframe;		// node needs to be traversed if current
+	
+	short		minmaxs[6];		// for bounding box culling
+
+	struct mnode_s	*parent;
+
+// node specific
+	mplane_t	*plane;
+	struct mnode_s	*children[2];	
+
+	unsigned short		firstsurface;
+	unsigned short		numsurfaces;
+} mnode_t;
+
+
+
+typedef struct mleaf_s
+{
+// common with node
+	int			contents;		// wil be a negative contents number
+	int			visframe;		// node needs to be traversed if current
+
+	short		minmaxs[6];		// for bounding box culling
+
+	struct mnode_s	*parent;
+
+// leaf specific
+	byte		*compressed_vis;
+	efrag_t		*efrags;
+
+	msurface_t	**firstmarksurface;
+	int			nummarksurfaces;
+	int			key;			// BSP sequence number for leaf's contents
+	byte		ambient_sound_level[NUM_AMBIENTS];
+} mleaf_t;
+
+// !!! if this is changed, it must be changed in asm_i386.h too !!!
+typedef struct
+{
+	dclipnode_t	*clipnodes;
+	mplane_t	*planes;
+	int			firstclipnode;
+	int			lastclipnode;
+	vec3_t		clip_mins;
+	vec3_t		clip_maxs;
+} hull_t;
+
+/*
+==============================================================================
+
+SPRITE MODELS
+
+==============================================================================
+*/
+
+
+// FIXME: shorten these?
+typedef struct mspriteframe_s
+{
+	int		width;
+	int		height;
+	void	*pcachespot;			// remove?
+	float	up, down, left, right;
+	byte	pixels[4];
+} mspriteframe_t;
+
+typedef struct
+{
+	int				numframes;
+	float			*intervals;
+	mspriteframe_t	*frames[1];
+} mspritegroup_t;
+
+typedef struct
+{
+	spriteframetype_t	type;
+	mspriteframe_t		*frameptr;
+} mspriteframedesc_t;
+
+typedef struct
+{
+	int					type;
+	int					maxwidth;
+	int					maxheight;
+	int					numframes;
+	float				beamlength;		// remove?
+	void				*cachespot;		// remove?
+	mspriteframedesc_t	frames[1];
+} msprite_t;
+
+
+/*
+==============================================================================
+
+ALIAS MODELS
+
+Alias models are position independent, so the cache manager can move them.
+==============================================================================
+*/
+
+typedef struct
+{
+	aliasframetype_t	type;
+	trivertx_t			bboxmin;
+	trivertx_t			bboxmax;
+	int					frame;
+	char				name[16];
+} maliasframedesc_t;
+
+typedef struct
+{
+	aliasskintype_t		type;
+	void				*pcachespot;
+	int					skin;
+} maliasskindesc_t;
+
+typedef struct
+{
+	trivertx_t			bboxmin;
+	trivertx_t			bboxmax;
+	int					frame;
+} maliasgroupframedesc_t;
+
+typedef struct
+{
+	int						numframes;
+	int						intervals;
+	maliasgroupframedesc_t	frames[1];
+} maliasgroup_t;
+
+typedef struct
+{
+	int					numskins;
+	int					intervals;
+	maliasskindesc_t	skindescs[1];
+} maliasskingroup_t;
+
+// !!! if this is changed, it must be changed in asm_draw.h too !!!
+typedef struct mtriangle_s {
+	int					facesfront;
+	int					vertindex[3];
+} mtriangle_t;
+
+typedef struct {
+	int					model;
+	int					stverts;
+	int					skindesc;
+	int					triangles;
+	maliasframedesc_t	frames[1];
+} aliashdr_t;
+
+//===================================================================
+
+//
+// Whole model
+//
+
+typedef enum {mod_brush, mod_sprite, mod_alias} modtype_t;
+
+#define	EF_ROCKET	1			// leave a trail
+#define	EF_GRENADE	2			// leave a trail
+#define	EF_GIB		4			// leave a trail
+#define	EF_ROTATE	8			// rotate (bonus items)
+#define	EF_TRACER	16			// green split trail
+#define	EF_ZOMGIB	32			// small blood trail
+#define	EF_TRACER2	64			// orange split trail + rotate
+#define	EF_TRACER3	128			// purple trail
+
+typedef struct model_s
+{
+	char		name[MAX_QPATH];
+	qboolean	needload;		// bmodels and sprites don't cache normally
+
+	modtype_t	type;
+	int			numframes;
+	synctype_t	synctype;
+	
+	int			flags;
+
+//
+// volume occupied by the model
+//		
+	vec3_t		mins, maxs;
+	float		radius;
+
+//
+// brush model
+//
+	int			firstmodelsurface, nummodelsurfaces;
+
+	int			numsubmodels;
+	dmodel_t	*submodels;
+
+	int			numplanes;
+	mplane_t	*planes;
+
+	int			numleafs;		// number of visible leafs, not counting 0
+	mleaf_t		*leafs;
+
+	int			numvertexes;
+	mvertex_t	*vertexes;
+
+	int			numedges;
+	medge_t		*edges;
+
+	int			numnodes;
+	mnode_t		*nodes;
+
+	int			numtexinfo;
+	mtexinfo_t	*texinfo;
+
+	int			numsurfaces;
+	msurface_t	*surfaces;
+
+	int			numsurfedges;
+	int			*surfedges;
+
+	int			numclipnodes;
+	dclipnode_t	*clipnodes;
+
+	int			nummarksurfaces;
+	msurface_t	**marksurfaces;
+
+	hull_t		hulls[MAX_MAP_HULLS];
+
+	int			numtextures;
+	texture_t	**textures;
+
+	byte		*visdata;
+	byte		*lightdata;
+	char		*entities;
+
+//
+// additional model data
+//
+	cache_user_t	cache;		// only access through Mod_Extradata
+
+} model_t;
+
+//============================================================================
+
+void	Mod_Init (void);
+void	Mod_ClearAll (void);
+model_t *Mod_ForName (char *name, qboolean crash);
+void	*Mod_Extradata (model_t *mod);	// handles caching
+void	Mod_TouchModel (char *name);
+
+mleaf_t *Mod_PointInLeaf (float *p, model_t *model);
+byte	*Mod_LeafPVS (mleaf_t *leaf, model_t *model);
+
+#endif	// __MODEL__