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308 lines
10 KiB
C
308 lines
10 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 2006 by James Haley
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// Copyright (C) 2006-2014 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_polyobj.h
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/// \brief Movable segs like in Hexen, but more flexible
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/// due to application of dynamic binary space partitioning theory.
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#ifndef POLYOBJ_H__
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#define POLYOBJ_H__
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#include "m_dllist.h"
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#include "p_mobj.h"
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#include "r_defs.h"
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// haleyjd: temporary define
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#ifdef POLYOBJECTS
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//
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// Defines
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//
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// haleyjd: use zdoom-compatible doomednums
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#define POLYOBJ_ANCHOR_DOOMEDNUM 760
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#define POLYOBJ_SPAWN_DOOMEDNUM 761
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#define POLYOBJ_SPAWNCRUSH_DOOMEDNUM 762
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#define POLYOBJ_START_LINE 20
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#define POLYOBJ_EXPLICIT_LINE 21
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#define POLYINFO_SPECIALNUM 22
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typedef enum
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{
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POF_CLIPLINES = 0x1, ///< Test against lines for collision
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POF_CLIPPLANES = 0x2, ///< Test against tops and bottoms for collision
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POF_SOLID = 0x3, ///< Clips things.
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POF_TESTHEIGHT = 0x4, ///< Test line collision with heights
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POF_RENDERSIDES = 0x8, ///< Renders the sides.
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POF_RENDERTOP = 0x10, ///< Renders the top..
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POF_RENDERBOTTOM = 0x20, ///< Renders the bottom.
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POF_RENDERPLANES = 0x30, ///< Renders top and bottom.
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POF_RENDERALL = 0x38, ///< Renders everything.
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POF_INVERT = 0x40, ///< Inverts collision (like a cage).
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POF_INVERTPLANES = 0x80, ///< Render inside planes.
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POF_INVERTPLANESONLY = 0x100, ///< Only render inside planes.
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POF_PUSHABLESTOP = 0x200, ///< Pushables will stop movement.
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POF_LDEXEC = 0x400, ///< This PO triggers a linedef executor.
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POF_ONESIDE = 0x800, ///< Only use the first side of the linedef.
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POF_NOSPECIALS = 0x1000, ///< Don't apply sector specials.
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} polyobjflags_e;
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//
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// Polyobject Structure
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//
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typedef struct polyobj_s
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{
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mdllistitem_t link; // for subsector links; must be first
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INT32 id; // numeric id
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INT32 first; // for hashing: index of first polyobject in this hash chain
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INT32 next; // for hashing: next polyobject in this hash chain
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INT32 parent; // numeric id of parent polyobject
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size_t segCount; // number of segs in polyobject
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size_t numSegsAlloc; // number of segs allocated
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struct seg_s **segs; // the segs, a reallocating array.
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size_t numVertices; // number of vertices (generally == segCount)
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size_t numVerticesAlloc; // number of vertices allocated
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vertex_t *origVerts; // original positions relative to spawn spot
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vertex_t *tmpVerts; // temporary vertex backups for rotation
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vertex_t **vertices; // vertices this polyobject must move
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size_t numLines; // number of linedefs (generally <= segCount)
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size_t numLinesAlloc; // number of linedefs allocated
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struct line_s **lines; // linedefs this polyobject must move
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degenmobj_t spawnSpot; // location of spawn spot
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vertex_t centerPt; // center point
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fixed_t zdist; // viewz distance for sorting
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angle_t angle; // for rotation
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UINT8 attached; // if true, is attached to a subsector
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fixed_t blockbox[4]; // bounding box for clipping
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UINT8 linked; // is linked to blockmap
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size_t validcount; // for clipping: prevents multiple checks
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INT32 damage; // damage to inflict on stuck things
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fixed_t thrust; // amount of thrust to put on blocking objects
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INT32 flags; // Flags for this polyobject
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thinker_t *thinker; // pointer to a thinker affecting this polyobj
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UINT8 isBad; // a bad polyobject: should not be rendered/manipulated
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INT32 translucency; // index to translucency tables
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// these are saved for netgames, so do not let Lua touch these!
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INT32 spawnflags; // Flags the polyobject originally spawned with
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} polyobj_t;
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//
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// Polyobject Blockmap Link Structure
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//
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typedef struct polymaplink_s
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{
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mdllistitem_t link; // for blockmap links
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polyobj_t *po; // pointer to polyobject
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} polymaplink_t;
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//
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// Polyobject Special Thinkers
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//
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typedef struct polyrotate_s
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{
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thinker_t thinker; // must be first
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INT32 polyObjNum; // numeric id of polyobject (avoid C pointers here)
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INT32 speed; // speed of movement per frame
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INT32 distance; // distance to move
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UINT8 turnobjs; // turn objects? 0=no, 1=everything but players, 2=everything
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} polyrotate_t;
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typedef struct polymove_s
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{
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thinker_t thinker; // must be first
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INT32 polyObjNum; // numeric id of polyobject
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INT32 speed; // resultant velocity
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fixed_t momx; // x component of speed along angle
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fixed_t momy; // y component of speed along angle
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INT32 distance; // total distance to move
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UINT32 angle; // angle along which to move
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} polymove_t;
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typedef struct polywaypoint_s
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{
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thinker_t thinker; // must be first
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INT32 polyObjNum; // numeric id of polyobject
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INT32 speed; // resultant velocity
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INT32 sequence; // waypoint sequence #
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INT32 pointnum; // waypoint #
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INT32 direction; // 1 for normal, -1 for backwards
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UINT8 comeback; // reverses and comes back when the end is reached
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UINT8 wrap; // Wrap around waypoints
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UINT8 continuous; // continuously move - used with COMEBACK or WRAP
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UINT8 stophere; // Will stop after it reaches the next waypoint
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// Difference between location of PO and location of waypoint (offset)
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fixed_t diffx;
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fixed_t diffy;
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fixed_t diffz;
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} polywaypoint_t;
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typedef struct polyslidedoor_s
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{
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thinker_t thinker; // must be first
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INT32 polyObjNum; // numeric id of affected polyobject
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INT32 delay; // delay time
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INT32 delayCount; // delay counter
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INT32 initSpeed; // initial speed
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INT32 speed; // speed of motion
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INT32 initDistance; // initial distance to travel
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INT32 distance; // current distance to travel
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UINT32 initAngle; // intial angle
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UINT32 angle; // angle of motion
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UINT32 revAngle; // reversed angle to avoid roundoff error
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fixed_t momx; // x component of speed along angle
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fixed_t momy; // y component of speed along angle
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UINT8 closing; // if true, is closing
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} polyslidedoor_t;
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typedef struct polyswingdoor_s
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{
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thinker_t thinker; // must be first
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INT32 polyObjNum; // numeric id of affected polyobject
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INT32 delay; // delay time
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INT32 delayCount; // delay counter
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INT32 initSpeed; // initial speed
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INT32 speed; // speed of rotation
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INT32 initDistance; // initial distance to travel
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INT32 distance; // current distance to travel
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UINT8 closing; // if true, is closing
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} polyswingdoor_t;
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typedef struct polydisplace_s
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{
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thinker_t thinker; // must be first
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INT32 polyObjNum;
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struct sector_s *controlSector;
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fixed_t dx;
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fixed_t dy;
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fixed_t oldHeights;
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} polydisplace_t;
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//
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// Line Activation Data Structures
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//
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typedef struct polyrotdata_s
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{
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INT32 polyObjNum; // numeric id of polyobject to affect
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INT32 direction; // direction of rotation
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INT32 speed; // angular speed
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INT32 distance; // distance to move
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UINT8 turnobjs; // rotate objects being carried?
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UINT8 overRide; // if true, will override any action on the object
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} polyrotdata_t;
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typedef struct polymovedata_s
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{
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INT32 polyObjNum; // numeric id of polyobject to affect
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fixed_t distance; // distance to move
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fixed_t speed; // linear speed
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angle_t angle; // angle of movement
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UINT8 overRide; // if true, will override any action on the object
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} polymovedata_t;
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typedef struct polywaypointdata_s
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{
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INT32 polyObjNum; // numeric id of polyobject to affect
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INT32 sequence; // waypoint sequence #
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fixed_t speed; // linear speed
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UINT8 reverse; // if true, will go in reverse waypoint order
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UINT8 comeback; // reverses and comes back when the end is reached
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UINT8 wrap; // Wrap around waypoints
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UINT8 continuous; // continuously move - used with COMEBACK or WRAP
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} polywaypointdata_t;
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// polyobject door types
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typedef enum
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{
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POLY_DOOR_SLIDE,
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POLY_DOOR_SWING,
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} polydoor_e;
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typedef struct polydoordata_s
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{
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INT32 polyObjNum; // numeric id of polyobject to affect
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INT32 doorType; // polyobj door type
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INT32 speed; // linear or angular speed
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angle_t angle; // for slide door only, angle of motion
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INT32 distance; // distance to move
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INT32 delay; // delay time after opening
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} polydoordata_t;
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typedef struct polydisplacedata_s
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{
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INT32 polyObjNum;
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struct sector_s *controlSector;
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fixed_t dx;
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fixed_t dy;
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} polydisplacedata_t;
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//
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// Functions
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//
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polyobj_t *Polyobj_GetForNum(INT32 id);
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void Polyobj_InitLevel(void);
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void Polyobj_MoveOnLoad(polyobj_t *po, angle_t angle, fixed_t x, fixed_t y);
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boolean P_PointInsidePolyobj(polyobj_t *po, fixed_t x, fixed_t y);
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boolean P_MobjTouchingPolyobj(polyobj_t *po, mobj_t *mo);
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boolean P_MobjInsidePolyobj(polyobj_t *po, mobj_t *mo);
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boolean P_BBoxInsidePolyobj(polyobj_t *po, fixed_t *bbox);
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void Polyobj_GetInfo(INT16 tag, INT32 *polyID, INT32 *parentID, UINT16 *exparg);
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// thinkers (needed in p_saveg.c)
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void T_PolyObjRotate(polyrotate_t *);
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void T_PolyObjMove (polymove_t *);
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void T_PolyObjWaypoint (polywaypoint_t *);
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void T_PolyDoorSlide(polyslidedoor_t *);
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void T_PolyDoorSwing(polyswingdoor_t *);
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void T_PolyObjDisplace (polydisplace_t *);
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void T_PolyObjFlag (polymove_t *);
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INT32 EV_DoPolyDoor(polydoordata_t *);
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INT32 EV_DoPolyObjMove(polymovedata_t *);
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INT32 EV_DoPolyObjWaypoint(polywaypointdata_t *);
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INT32 EV_DoPolyObjRotate(polyrotdata_t *);
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INT32 EV_DoPolyObjDisplace(polydisplacedata_t *);
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INT32 EV_DoPolyObjFlag(struct line_s *);
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//
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// External Variables
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//
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extern polyobj_t *PolyObjects;
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extern INT32 numPolyObjects;
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extern polymaplink_t **polyblocklinks; // polyobject blockmap
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#endif // ifdef POLYOBJECTS
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#endif
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// EOF
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