mirror of
https://github.com/DrBeef/Raze.git
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314 lines
9.4 KiB
C++
314 lines
9.4 KiB
C++
// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman
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// Ken Silverman's official web site: "http://www.advsys.net/ken"
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// See the included license file "BUILDLIC.TXT" for license info.
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//
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// This file has been modified from Ken Silverman's original release
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// by Jonathon Fowler (jf@jonof.id.au)
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// by the EDuke32 team (development@voidpoint.com)
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#pragma once
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#ifndef build_h_
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#define build_h_
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#define TRANSPARENT_INDEX 0
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static_assert('\xff' == 255, "Char must be unsigned!");
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#include "printf.h"
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#include "palette.h"
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//Make all variables in BUILD.H defined in the ENGINE,
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//and externed in GAME
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#ifdef engine_c_
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# define EXTERN
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#else
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# define EXTERN extern
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#endif
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EXTERN int sintable[2048];
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#include "buildtiles.h"
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#include "c_cvars.h"
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#include "cmdlib.h"
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typedef int64_t coord_t;
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enum
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{
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MAXVOXMIPS = 5,
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MAXWALLSB = 6144,
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MAXVOXELS = 1024,
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// Maximum number of component tiles in a multi-psky:
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MAXUNIQHUDID = 256, //Extra slots so HUD models can store animation state without messing game sprites
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TSPR_TEMP = 99,
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CLIPMASK0 = (1 << 16) + 1,
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CLIPMASK1 = (256 << 16) + 64
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};
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#define POINT2(i) (wall[wall[i].point2])
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// rotatesprite 'orientation' (actually much more) bits
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enum {
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RS_TRANS1 = 1,
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RS_AUTO = 2,
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RS_YFLIP = 4,
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RS_NOCLIP = 8,
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RS_TOPLEFT = 16,
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RS_TRANS2 = 32,
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RS_NOMASK = 64,
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RS_PERM = 128,
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RS_ALIGN_L = 256,
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RS_ALIGN_R = 512,
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RS_ALIGN_MASK = 768,
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RS_STRETCH = 1024,
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RS_MODELSUBST= 4096,
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// ROTATESPRITE_MAX-1 is the mask of all externally available orientation bits
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ROTATESPRITE_MAX = 8192,
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RS_XFLIPHUD = RS_YFLIP,
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RS_YFLIPHUD = 16384, // this is for hud_drawsprite which uses RS_YFLIP for x-flipping but needs both flags
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RS_CENTER = (1<<29), // proper center align.
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RS_CENTERORIGIN = (1<<30),
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};
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#include "maptypes.h"
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#include "clip.h"
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int32_t getwalldist(vec2_t const in, int const wallnum, vec2_t * const out);
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EXTERN int32_t guniqhudid;
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struct usermaphack_t
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{
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FString mhkfile;
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FString title;
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uint8_t md4[16]{};
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};
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EXTERN int leveltimer;
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EXTERN int32_t Numsprites;
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EXTERN int32_t display_mirror;
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EXTERN int32_t randomseed;
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EXTERN uint8_t paletteloaded;
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enum {
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PALETTE_MAIN = 1<<0,
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PALETTE_SHADE = 1<<1,
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PALETTE_TRANSLUC = 1<<2,
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};
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inline int32_t g_visibility = 512, g_relvisibility = 0;
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extern uint8_t globalr, globalg, globalb;
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enum {
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ENGINECOMPATIBILITY_NONE = 0,
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ENGINECOMPATIBILITY_19950829, // Powerslave/Exhumed
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ENGINECOMPATIBILITY_19960925, // Blood v1.21
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ENGINECOMPATIBILITY_19961112, // Duke 3d v1.5, Redneck Rampage
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};
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EXTERN int32_t enginecompatibility_mode;
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void engineInit(void);
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void setVideoMode();
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class F2DDrawer;
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void getzrange(const vec3_t& pos, sectortype* sect, int32_t* ceilz, CollisionBase& ceilhit, int32_t* florz,
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CollisionBase& florhit, int32_t walldist, uint32_t cliptype);
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inline void getzrange(const vec3_t& pos, sectortype* sect, double* ceilz, CollisionBase& ceilhit, double* florz,
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CollisionBase& florhit, int32_t walldist, uint32_t cliptype)
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{
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int c = int(*ceilz * zworldtoint);
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int f = int(*florz * zworldtoint);
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getzrange(pos, sect, &c, ceilhit, &f, florhit, walldist, cliptype);
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*ceilz = c * zinttoworld;
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*florz = f * zinttoworld;
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}
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inline void getzrange(const DVector3& pos, sectortype* sect, double* ceilz, CollisionBase& ceilhit, double* florz,
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CollisionBase& florhit, int32_t walldist, uint32_t cliptype)
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{
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vec3_t ipos(int(pos.X * worldtoint), int(pos.Y * worldtoint), int(pos.Z * zworldtoint) );
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int c = int(*ceilz * zworldtoint);
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int f = int(*florz * zworldtoint);
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getzrange(ipos, sect, &c, ceilhit, &f, florhit, walldist, cliptype);
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*ceilz = c * zinttoworld;
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*florz = f * zinttoworld;
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}
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extern vec2_t hitscangoal;
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struct HitInfoBase;
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int hitscan(const vec3_t& start, const sectortype* startsect, const vec3_t& direction, HitInfoBase& hitinfo, unsigned cliptype);
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inline int hitscan(const DVector3& start, const sectortype* startsect, const DVector3& direction, HitInfoBase& hitinfo, unsigned cliptype)
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{
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vec3_t istart(int(start.X * worldtoint), int(start.Y * worldtoint), int(start.Z * zworldtoint) );
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vec3_t idir( int(direction.X * worldtoint), int(direction.Y * worldtoint), int(direction.Z * zworldtoint) );
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return hitscan(istart, startsect, idir, hitinfo, cliptype);
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}
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inline int hitscan(const DVector3& start, const sectortype* startsect, const vec3_t& direction, HitInfoBase& hitinfo, unsigned cliptype)
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{
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vec3_t istart(int(start.X * worldtoint), int(start.Y * worldtoint), int(start.Z * zworldtoint));
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return hitscan(istart, startsect, direction, hitinfo, cliptype);
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}
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void neartag(const vec3_t& pos, sectortype* sect, int angle, HitInfoBase& result, int neartagrange, int tagsearch);
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inline void neartag(const DVector3& start, sectortype* sect, DAngle angle, HitInfoBase& result, int neartagrange, int tagsearch)
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{
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vec3_t vec(start.X * worldtoint, start.Y * worldtoint, start.Z * zworldtoint);
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neartag(vec, sect, angle.Buildang(), result, neartagrange, tagsearch);
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}
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inline void neartag(const DVector3& start, sectortype* sect, DAngle angle, HitInfoBase& result, double neartagrange, int tagsearch)
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{
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vec3_t vec(start.X * worldtoint, start.Y * worldtoint, start.Z * zworldtoint);
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neartag(vec, sect, angle.Buildang(), result, int(neartagrange * worldtoint), tagsearch);
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}
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int cansee(int x1, int y1, int z1, sectortype* sect1, int x2, int y2, int z2, sectortype* sect2);
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inline int cansee(const DVector3& start, sectortype* sect1, const DVector3& end, sectortype* sect2)
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{
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return cansee(start.X * worldtoint, start.Y * worldtoint, start.Z * zworldtoint, sect1, end.X * worldtoint, end.Y * worldtoint, end.Z * zworldtoint, sect2);
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}
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int32_t try_facespr_intersect(DCoreActor* spr, vec3_t const in,
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int32_t vx, int32_t vy, int32_t vz,
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vec3_t * const intp, int32_t strictly_smaller_than_p);
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extern const int16_t *chsecptr_onextwall;
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inline int32_t krand(void)
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{
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randomseed = (randomseed * 27584621) + 1;
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return ((uint32_t) randomseed)>>16;
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}
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inline double krandf(double span)
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{
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return (krand() & 0x7fff) * span / 32767;
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}
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inline int32_t ksqrt(uint64_t num)
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{
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return int(sqrt(double(num)));
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}
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inline constexpr uint32_t uhypsq(int32_t const dx, int32_t const dy)
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{
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return (uint32_t)dx*dx + (uint32_t)dy*dy;
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}
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int32_t lintersect(int32_t originX, int32_t originY, int32_t originZ,
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int32_t destX, int32_t destY, int32_t destZ,
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int32_t lineStartX, int32_t lineStartY, int32_t lineEndX, int32_t lineEndY,
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int32_t *intersectionX, int32_t *intersectionY, int32_t *intersectionZ);
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EXTERN_CVAR(Bool, hw_hightile)
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EXTERN_CVAR(Bool, hw_models)
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EXTERN_CVAR(Float, gl_texture_filter_anisotropic)
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EXTERN_CVAR(Int, gl_texture_filter)
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extern bool hw_int_useindexedcolortextures;
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EXTERN_CVAR(Bool, hw_useindexedcolortextures)
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EXTERN_CVAR(Bool, r_voxels)
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extern int32_t mdtims, omdtims;
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extern int32_t r_rorphase;
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// flags bitset: 1 = don't compress
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int32_t Ptile2tile(int32_t tile, int32_t palette) ATTRIBUTE((pure));
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int32_t md_loadmodel(const char *fn);
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int32_t md_setmisc(int32_t modelid, float scale, int32_t shadeoff, float zadd, float yoffset, int32_t flags);
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// int32_t md_tilehasmodel(int32_t tilenume, int32_t pal);
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EXTERN int32_t nextvoxid;
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EXTERN FixedBitArray<MAXVOXELS>voxreserve;
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#ifdef USE_OPENGL
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// TODO: dynamically allocate this
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typedef struct { FVector3 add; int16_t angadd, flags, fov; } hudtyp;
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typedef struct
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{
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// maps build tiles to particular animation frames of a model
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int16_t modelid;
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int16_t framenum; // calculate the number from the name when declaring
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int16_t nexttile;
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uint16_t smoothduration;
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hudtyp hudmem[2];
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int8_t skinnum;
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uint8_t pal;
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} tile2model_t;
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# define EXTRATILES (MAXTILES/8)
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EXTERN int32_t mdinited;
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EXTERN tile2model_t tile2model[MAXTILES+EXTRATILES];
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inline int32_t md_tilehasmodel(int32_t const tilenume, int32_t const pal)
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{
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return mdinited ? tile2model[Ptile2tile(tilenume,pal)].modelid : -1;
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}
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#endif // defined USE_OPENGL
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int tilehasmodelorvoxel(int const tilenume, int pal);
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int32_t md_defineframe(int32_t modelid, const char *framename, int32_t tilenume,
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int32_t skinnum, float smoothduration, int32_t pal);
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int32_t md_defineanimation(int32_t modelid, const char *framestart, const char *frameend,
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int32_t fps, int32_t flags);
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int32_t md_defineskin(int32_t modelid, const char *skinfn, int32_t palnum, int32_t skinnum,
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int32_t surfnum, float param, float specpower, float specfactor, int32_t flags);
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int32_t md_definehud (int32_t modelid, int32_t tilex, FVector3 add,
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int32_t angadd, int32_t flags, int32_t fov);
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int32_t md_undefinetile(int32_t tile);
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int32_t md_undefinemodel(int32_t modelid);
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static vec2_t const zerovec = { 0, 0 };
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#define SET_AND_RETURN(Lval, Rval) \
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do \
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{ \
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(Lval) = (Rval); \
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return; \
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} while (0)
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static inline int64_t compat_maybe_truncate_to_int32(int64_t val)
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{
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return enginecompatibility_mode != ENGINECOMPATIBILITY_NONE ? (int32_t)val : val;
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}
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extern int32_t rintersect(int32_t x1, int32_t y1, int32_t z1,
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int32_t vx_, int32_t vy_, int32_t vz,
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int32_t x3, int32_t y3, int32_t x4, int32_t y4,
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int32_t *intx, int32_t *inty, int32_t *intz);
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void updateModelInterpolation();
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#endif // build_h_
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