raze/source/build/include/clip.h

// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman
// Ken Silverman's official web site: "http://www.advsys.net/ken"
// See the included license file "BUILDLIC.TXT" for license info.
//
// This file has been modified from Ken Silverman's original release
// by Jonathon Fowler (jf@jonof.id.au)
// by the EDuke32 team (development@voidpoint.com)

#pragma once

#ifndef clip_h_
#define clip_h_

#define MAXCLIPSECTORS 512
#define MAXCLIPNUM 2048
#define CLIPCURBHEIGHT (1<<8)
typedef struct
{
    int32_t x1, y1, x2, y2;
} linetype;

extern int16_t clipsectorlist[MAXCLIPSECTORS];

int clipinsidebox(vec2_t *vect, int wallnum, int walldist);
inline int clipinsidebox(int x, int y, int wall, int dist)
{
    vec2_t v = { x, y };
    return clipinsidebox(&v, wall, dist);
}
int clipinsideboxline(int x, int y, int x1, int y1, int x2, int y2, int walldist);

extern int32_t clipmoveboxtracenum;

int32_t clipmove(vec3_t *const pos, int *const sectnum, int32_t xvect, int32_t yvect, int32_t const walldist, int32_t const ceildist,
                 int32_t const flordist, uint32_t const cliptype) ATTRIBUTE((nonnull(1, 2)));

[[deprecated]]
inline int32_t clipmove(vec3_t *const pos, int16_t *const sectnum, int32_t xvect, int32_t yvect, int32_t const walldist, int32_t const ceildist,
				 int32_t const flordist, uint32_t const cliptype)
{
	int sect32 = *sectnum;
	int retval = clipmove(pos, &sect32, xvect, yvect, walldist, ceildist, flordist, cliptype);
	*sectnum = sect32;
	return retval;
}
[[deprecated]]
inline int clipmove(int* x, int* y, int* z, short* sect, int xv, int yv, int wal, int ceil, int flor, int ct)
{
    vec3_t xyz = { *x,*y,*z };
	int sect32 = *sect;
    int retval = clipmove(&xyz, sect, xv, yv, wal, ceil, flor, ct);
	*sect = sect32;
    *x = xyz.x;
    *y = xyz.y;
    *z = xyz.z;
    return retval;
}

[[deprecated]]
inline int clipmove(int* x, int* y, int* z, int* sect, int xv, int yv, int wal, int ceil, int flor, int ct)
{
	vec3_t xyz = { *x,*y,*z };
	int retval = clipmove(&xyz, sect, xv, yv, wal, ceil, flor, ct);
	*x = xyz.x;
	*y = xyz.y;
	*z = xyz.z;
	return retval;
}

int pushmove(vec3_t *const vect, int16_t *const sectnum, int32_t const walldist, int32_t const ceildist, int32_t const flordist,
                 uint32_t const cliptype, bool clear = true) ATTRIBUTE((nonnull(1, 2)));

inline int pushmove(vec3_t *const vect, int *const sectnum, int32_t const walldist, int32_t const ceildist, int32_t const flordist,
				 uint32_t const cliptype, bool clear = true)
{
	short sect16 = *sectnum;
	auto r = pushmove(vect, &sect16, walldist, ceildist, flordist, cliptype, clear);
	*sectnum = sect16;
	return r;
}

[[deprecated]]
inline int pushmove(int* x, int* y, int* z, int16_t* const sectnum, int32_t const walldist, int32_t const ceildist, int32_t const flordist,
    uint32_t const cliptype, bool clear = true)
{
    vec3_t v = { *x,*y,*z };
    auto r = pushmove(&v, sectnum, walldist, ceildist, flordist, cliptype, clear);
    *x = v.x;
    *y = v.y;
    *z = v.z;
    return r;
}

inline int pushmove(int* x, int* y, int* z, int* const sectnum, int32_t const walldist, int32_t const ceildist, int32_t const flordist,
    uint32_t const cliptype, bool clear = true)
{
    short sect16 = *sectnum;
    vec3_t v = { *x,*y,*z };
    auto r = pushmove(&v, &sect16, walldist, ceildist, flordist, cliptype, clear);
    *sectnum = sect16;
    *x = v.x;
    *y = v.y;
    *z = v.z;
    return r;
}

#endif