mirror of https://github.com/ZDoom/qzdoom.git
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
|
#ifndef _PORTALS_H_
|
||
|
|
#define _PORTALS_H_
|
||
|
|
|
||
|
|
#include "basictypes.h"
|
||
|
|
#include "v_video.h"
|
||
|
|
#include "r_defs.h"
|
||
|
|
#include "actor.h"
|
||
|
|
#include "p_local.h"
|
||
|
|
#include "m_bbox.h"
|
||
|
|
|
||
|
|
|
||
|
|
/* code ported from prototype */
|
||
|
|
bool P_ClipLineToPortal(line_t* line, line_t* portal, fixed_t viewx, fixed_t viewy, bool partial = true, bool samebehind = true);
|
||
|
|
bool P_CheckPortal(line_t* line);
|
||
|
|
void P_TranslatePortalXY(line_t* src, line_t* dst, fixed_t& x, fixed_t& y);
|
||
|
|
void P_TranslatePortalVXVY(line_t* src, line_t* dst, fixed_t& vx, fixed_t& vy);
|
||
|
|
void P_TranslatePortalAngle(line_t* src, line_t* dst, angle_t& angle);
|
||
|
|
void P_TranslatePortalZ(line_t* src, line_t* dst, fixed_t& z);
|
||
|
|
void P_NormalizeVXVY(fixed_t& vx, fixed_t& vy);
|
||
|
|
|
||
|
|
// basically, this is a teleporting tracer function,
|
||
|
|
// which can be used by itself (to calculate portal-aware offsets, say, for projectiles)
|
||
|
|
// or to teleport normal tracers (like hitscan, railgun, autoaim tracers)
|
||
|
|
class PortalTracer
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
PortalTracer(fixed_t startx, fixed_t starty, fixed_t endx, fixed_t endy);
|
||
|
|
|
||
|
|
// trace to next portal
|
||
|
|
bool TraceStep();
|
||
|
|
// trace to last available portal on the path
|
||
|
|
void TraceAll() { while (TraceStep()) continue; }
|
||
|
|
|
||
|
|
int depth;
|
||
|
|
fixed_t startx;
|
||
|
|
fixed_t starty;
|
||
|
|
fixed_t intx;
|
||
|
|
fixed_t inty;
|
||
|
|
fixed_t intxIn;
|
||
|
|
fixed_t intyIn;
|
||
|
|
fixed_t endx;
|
||
|
|
fixed_t endy;
|
||
|
|
angle_t angle;
|
||
|
|
fixed_t z;
|
||
|
|
fixed_t frac;
|
||
|
|
line_t* in;
|
||
|
|
line_t* out;
|
||
|
|
fixed_t vx;
|
||
|
|
fixed_t vy;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* new code */
|
||
|
|
fixed_t P_PointLineDistance(line_t* line, fixed_t x, fixed_t y);
|
||
|
|
|
||
|
|
#endif
|