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Quash more cvs add/remove oddities.
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Ragnvald Maartmann-Moe IV
parent
554308e51d
commit
dbf0e3130e
2 changed files with 284 additions and 0 deletions
122
qw/include/d_local.h
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122
qw/include/d_local.h
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/*
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d_local.h
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Private rasterization driver defs
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifndef _D_LOCAL_H
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#define _D_LOCAL_H
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#include "r_shared.h"
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//
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// TODO: fine-tune this; it's based on providing some overage even if there
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// is a 2k-wide scan, with subdivision every 8, for 256 spans of 12 bytes each
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//
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#define SCANBUFFERPAD 0x1000
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#define R_SKY_SMASK 0x007F0000
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#define R_SKY_TMASK 0x007F0000
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#define DS_SPAN_LIST_END -128
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#define SURFCACHE_SIZE_AT_320X200 600*1024
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typedef struct surfcache_s
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{
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struct surfcache_s *next;
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struct surfcache_s **owner; // NULL is an empty chunk of memory
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int lightadj[MAXLIGHTMAPS]; // checked for strobe flush
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int dlight;
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int size; // including header
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unsigned int width;
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unsigned int height; // DEBUG only needed for debug
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float mipscale;
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struct texture_s *texture; // checked for animating textures
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byte data[4]; // width*height elements
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} surfcache_t;
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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typedef struct sspan_s
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{
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int u, v, count;
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} sspan_t;
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extern cvar_t *d_subdiv16;
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extern float scale_for_mip;
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extern qboolean d_roverwrapped;
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extern surfcache_t *sc_rover;
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extern surfcache_t *d_initial_rover;
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extern float d_sdivzstepu, d_tdivzstepu, d_zistepu;
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extern float d_sdivzstepv, d_tdivzstepv, d_zistepv;
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extern float d_sdivzorigin, d_tdivzorigin, d_ziorigin;
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extern fixed16_t sadjust, tadjust;
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extern fixed16_t bbextents, bbextentt;
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void D_DrawSpans8 (espan_t *pspans);
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void D_DrawSpans16 (espan_t *pspans);
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void D_DrawZSpans (espan_t *pspans);
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void Turbulent8 (espan_t *pspan);
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void D_SpriteDrawSpans (sspan_t *pspan);
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void D_DrawSkyScans8 (espan_t *pspan);
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void D_DrawSkyScans16 (espan_t *pspan);
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void R_ShowSubDiv (void);
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void (*prealspandrawer)(void);
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surfcache_t *D_CacheSurface (msurface_t *surface, int miplevel);
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extern int D_MipLevelForScale (float scale);
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#ifdef USE_INTEL_ASM
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extern void D_PolysetAff8Start (void);
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extern void D_PolysetAff8End (void);
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#endif
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extern short *d_pzbuffer;
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extern unsigned int d_zrowbytes, d_zwidth;
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extern int *d_pscantable;
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extern int d_scantable[MAXHEIGHT];
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extern int d_vrectx, d_vrecty, d_vrectright_particle, d_vrectbottom_particle;
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extern int d_y_aspect_shift, d_pix_min, d_pix_max, d_pix_shift;
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extern pixel_t *d_viewbuffer;
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extern short *zspantable[MAXHEIGHT];
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extern int d_minmip;
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extern float d_scalemip[3];
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extern void (*d_drawspans) (espan_t *pspan);
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#endif // _D_LOCAL_H
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162
qw/include/r_shared.h
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qw/include/r_shared.h
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/*
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r_shared.h
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general refresh-related stuff shared between the refresh and the driver
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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// FIXME: clean up and move into d_iface.h
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#ifndef _R_SHARED_H
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#define _R_SHARED_H
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#include "QF/mathlib.h"
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#include "QF/cvar.h"
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#include "QF/model.h"
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#include "d_iface.h"
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#define MAXVERTS 16 // max points in a surface polygon
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#define MAXWORKINGVERTS (MAXVERTS+4) // max points in an intermediate
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// polygon (while processing)
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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#define MAXHEIGHT 1024
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#define MAXWIDTH 1280
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#define INFINITE_DISTANCE 0x10000 // distance that's always guaranteed to
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// be farther away than anything in
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// the scene
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//===================================================================
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extern void R_DrawLine (polyvert_t *polyvert0, polyvert_t *polyvert1);
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extern int cachewidth;
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extern pixel_t *cacheblock;
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extern int screenwidth;
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extern float pixelAspect;
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extern int r_drawnpolycount;
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extern cvar_t *r_clearcolor;
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extern int sintable[1280];
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extern int intsintable[1280];
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extern vec3_t vup, base_vup;
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extern vec3_t vpn, base_vpn;
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extern vec3_t vright, base_vright;
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extern entity_t *currententity;
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#define NUMSTACKEDGES 2000
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#define MINEDGES NUMSTACKEDGES
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#define NUMSTACKSURFACES 1000
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#define MINSURFACES NUMSTACKSURFACES
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#define MAXSPANS 3000
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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typedef struct espan_s
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{
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int u, v, count;
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struct espan_s *pnext;
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} espan_t;
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// FIXME: compress, make a union if that will help
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// insubmodel is only 1, flags is fewer than 32, spanstate could be a byte
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typedef struct surf_s
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{
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struct surf_s *next; // active surface stack in r_edge.c
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struct surf_s *prev; // used in r_edge.c for active surf stack
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struct espan_s *spans; // pointer to linked list of spans to draw
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int key; // sorting key (BSP order)
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int last_u; // set during tracing
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int spanstate; // 0 = not in span
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// 1 = in span
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// -1 = in inverted span (end before
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// start)
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int flags; // currentface flags
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void *data; // associated data like msurface_t
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entity_t *entity;
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float nearzi; // nearest 1/z on surface, for mipmapping
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qboolean insubmodel;
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float d_ziorigin, d_zistepu, d_zistepv;
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int pad[2]; // to 64 bytes
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} surf_t;
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extern surf_t *surfaces, *surface_p, *surf_max;
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// surfaces are generated in back to front order by the bsp, so if a surf
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// pointer is greater than another one, it should be drawn in front
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// surfaces[1] is the background, and is used as the active surface stack.
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// surfaces[0] is a dummy, because index 0 is used to indicate no surface
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// attached to an edge_t
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//===================================================================
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extern vec3_t sxformaxis[4]; // s axis transformed into viewspace
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extern vec3_t txformaxis[4]; // t axis transformed into viewspac
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extern vec3_t modelorg, base_modelorg;
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extern float xcenter, ycenter;
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extern float xscale, yscale;
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extern float xscaleinv, yscaleinv;
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extern float xscaleshrink, yscaleshrink;
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extern int d_lightstylevalue[256]; // 8.8 frac of base light value
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extern void TransformVector (vec3_t in, vec3_t out);
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extern void SetUpForLineScan(fixed8_t startvertu, fixed8_t startvertv,
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fixed8_t endvertu, fixed8_t endvertv);
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extern int r_skymade;
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extern void R_MakeSky (void);
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extern int ubasestep, errorterm, erroradjustup, erroradjustdown;
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// flags in finalvert_t.flags
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#define ALIAS_LEFT_CLIP 0x0001
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#define ALIAS_TOP_CLIP 0x0002
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#define ALIAS_RIGHT_CLIP 0x0004
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#define ALIAS_BOTTOM_CLIP 0x0008
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#define ALIAS_Z_CLIP 0x0010
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// !!! if this is changed, it must be changed in d_ifacea.h too !!!
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#define ALIAS_ONSEAM 0x0020 // also defined in modelgen.h;
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// must be kept in sync
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#define ALIAS_XY_CLIP_MASK 0x000F
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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typedef struct edge_s
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{
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fixed16_t u;
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fixed16_t u_step;
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struct edge_s *prev, *next;
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unsigned short surfs[2];
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struct edge_s *nextremove;
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float nearzi;
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medge_t *owner;
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} edge_t;
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#endif // _R_SHARED_H
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