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125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 2009 by Stephen McGranahan.
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// Copyright (C) 2015-2023 by Sonic Team Junior.
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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/// \file p_slopes.c
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/// \brief ZDoom + Eternity Engine Slopes, ported and enhanced by Kalaron
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#ifndef P_SLOPES_H__
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#define P_SLOPES_H__
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#include "m_fixed.h"
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extern pslope_t *slopelist;
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extern UINT16 slopecount;
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typedef enum
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{
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TMSP_FRONTFLOOR,
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TMSP_FRONTCEILING,
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TMSP_BACKFLOOR,
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TMSP_BACKCEILING,
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} textmapslopeplane_t;
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typedef enum
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{
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TMSC_FRONTTOBACKFLOOR = 1,
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TMSC_BACKTOFRONTFLOOR = 1<<1,
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TMSC_FRONTTOBACKCEILING = 1<<2,
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TMSC_BACKTOFRONTCEILING = 1<<3,
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} textmapslopecopy_t;
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typedef enum
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{
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TMS_NONE,
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TMS_FRONT,
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TMS_BACK,
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} textmapside_t;
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typedef enum
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{
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TMSL_NOPHYSICS = 1,
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TMSL_DYNAMIC = 1<<1,
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TMSL_COPY = 1<<2,
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} textmapslopeflags_t;
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void P_LinkSlopeThinkers (void);
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void P_CalculateSlopeNormal(pslope_t *slope);
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void P_CalculateSlopeVectors(pslope_t *slope);
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void P_InitSlopes(void);
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void P_SpawnSlopes(const boolean fromsave);
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//
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// P_CopySectorSlope
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//
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// Searches through tagged sectors and copies
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//
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void P_CopySectorSlope(line_t *line);
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pslope_t *P_SlopeById(UINT16 id);
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// Returns the height of the sloped plane at (x, y) as a fixed_t
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fixed_t P_GetSlopeZAt(const pslope_t *slope, fixed_t x, fixed_t y);
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// Like P_GetSlopeZAt but falls back to z if slope is NULL
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fixed_t P_GetZAt(const pslope_t *slope, fixed_t x, fixed_t y, fixed_t z);
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// Returns the height of the sector at (x, y)
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fixed_t P_GetSectorFloorZAt (const sector_t *sector, fixed_t x, fixed_t y);
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fixed_t P_GetSectorCeilingZAt(const sector_t *sector, fixed_t x, fixed_t y);
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// Returns the height of the FOF at (x, y)
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fixed_t P_GetFFloorTopZAt (const ffloor_t *ffloor, fixed_t x, fixed_t y);
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fixed_t P_GetFFloorBottomZAt(const ffloor_t *ffloor, fixed_t x, fixed_t y);
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// Returns the height of the light list at (x, y)
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fixed_t P_GetLightZAt(const lightlist_t *light, fixed_t x, fixed_t y);
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// Lots of physics-based bullshit
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void P_QuantizeMomentumToSlope(vector3_t *momentum, pslope_t *slope);
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void P_ReverseQuantizeMomentumToSlope(vector3_t *momentum, pslope_t *slope);
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void P_SlopeLaunch(mobj_t *mo);
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fixed_t P_GetWallTransferMomZ(mobj_t *mo, pslope_t *slope);
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void P_HandleSlopeLanding(mobj_t *thing, pslope_t *slope);
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void P_ButteredSlope(mobj_t *mo);
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pslope_t *P_MakeSlopeViaEquationConstants(const double a, const double b, const double c, const double d);
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/// Dynamic plane type enum for the thinker. Will have a different functionality depending on this.
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typedef enum {
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DP_FRONTFLOOR,
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DP_FRONTCEIL,
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DP_BACKFLOOR,
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DP_BACKCEIL,
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} dynplanetype_t;
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/// Permit slopes to be dynamically altered through a thinker.
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typedef struct
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{
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thinker_t thinker;
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pslope_t *slope;
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dynplanetype_t type;
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line_t *sourceline;
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fixed_t extent;
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} dynlineplanethink_t;
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typedef struct
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{
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thinker_t thinker;
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pslope_t *slope;
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sector_t *secs[3];
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vector3_t vex[3];
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fixed_t origsecheights[3];
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fixed_t origvecheights[3];
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UINT8 relative;
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} dynvertexplanethink_t;
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void T_DynamicSlopeLine (dynlineplanethink_t* th);
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void T_DynamicSlopeVert (dynvertexplanethink_t* th);
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#endif // #ifndef P_SLOPES_H__
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