158 lines
7 KiB
C
158 lines
7 KiB
C
/*
|
|
* Portions of this file are copyright Rebirth contributors and licensed as
|
|
* described in COPYING.txt.
|
|
* Portions of this file are copyright Parallax Software and licensed
|
|
* according to the Parallax license below.
|
|
* See COPYING.txt for license details.
|
|
|
|
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
|
|
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
|
|
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
|
|
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
|
|
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
|
|
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
|
|
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
|
|
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
|
|
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
|
|
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
|
|
*/
|
|
|
|
/*
|
|
*
|
|
* Header file for stuff moved from segment.c to gameseg.c.
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef _GAMESEG_H
|
|
#define _GAMESEG_H
|
|
|
|
#include "pstypes.h"
|
|
#include "maths.h"
|
|
#include "vecmat.h"
|
|
#include "segment.h"
|
|
|
|
#ifdef __cplusplus
|
|
#include "dxxsconf.h"
|
|
#include "compiler-array.h"
|
|
|
|
//figure out what seg the given point is in, tracing through segments
|
|
int get_new_seg(vms_vector *p0,int startseg);
|
|
|
|
struct segmasks
|
|
{
|
|
short facemask; //which faces sphere pokes through (12 bits)
|
|
sbyte sidemask; //which sides sphere pokes through (6 bits)
|
|
sbyte centermask; //which sides center point is on back of (6 bits)
|
|
};
|
|
|
|
struct segment_depth_array_t : public array<ubyte, MAX_SEGMENTS> {};
|
|
|
|
extern int Highest_vertex_index; // Highest index in Vertices and Vertex_active, an efficiency hack
|
|
extern int Highest_segment_index; // Highest index in Segments, an efficiency hack
|
|
extern int Doing_lighting_hack_flag;
|
|
|
|
extern void compute_center_point_on_side(vms_vector *vp,segment *sp,int side);
|
|
extern void compute_segment_center(vms_vector *vp,const segment *sp);
|
|
extern int find_connect_side(segment *base_seg, segment *con_seg);
|
|
|
|
// Fill in array with four absolute point numbers for a given side
|
|
void get_side_verts(int *vertlist,int segnum,int sidenum);
|
|
|
|
// Create all vertex lists (1 or 2) for faces on a side.
|
|
// Sets:
|
|
// num_faces number of lists
|
|
// vertices vertices in all (1 or 2) faces
|
|
// If there is one face, it has 4 vertices.
|
|
// If there are two faces, they both have three vertices, so face #0 is stored in vertices 0,1,2,
|
|
// face #1 is stored in vertices 3,4,5.
|
|
// Note: these are not absolute vertex numbers, but are relative to the segment
|
|
// Note: for triagulated sides, the middle vertex of each trianle is the one NOT
|
|
// adjacent on the diagonal edge
|
|
extern void create_all_vertex_lists(int *num_faces, int *vertices, int segnum, int sidenum);
|
|
|
|
//like create_all_vertex_lists(), but generate absolute point numbers
|
|
extern void create_abs_vertex_lists(int *num_faces, int *vertices, int segnum, int sidenum, const char *calling_file, int calling_linenum);
|
|
|
|
// -----------------------------------------------------------------------------------
|
|
// Like create all vertex lists, but returns the vertnums (relative to
|
|
// the side) for each of the faces that make up the side.
|
|
// If there is one face, it has 4 vertices.
|
|
// If there are two faces, they both have three vertices, so face #0 is stored in vertices 0,1,2,
|
|
// face #1 is stored in vertices 3,4,5.
|
|
void create_all_vertnum_lists(int *num_faces, int *vertnums, int segnum, int sidenum);
|
|
|
|
// Given a side, return the number of faces
|
|
extern int get_num_faces(side *sidep);
|
|
|
|
//returns 3 different bitmasks with info telling if this sphere is in
|
|
//this segment. See segmasks structure for info on fields
|
|
segmasks get_seg_masks(const vms_vector *checkp, int segnum, fix rad, const char *calling_file, int calling_linenum);
|
|
|
|
//this macro returns true if the segnum for an object is correct
|
|
#define check_obj_seg(obj) (get_seg_masks(&(obj)->pos, (obj)->segnum, 0, __FILE__, __LINE__).centermask == 0)
|
|
|
|
//Tries to find a segment for a point, in the following way:
|
|
// 1. Check the given segment
|
|
// 2. Recursively trace through attached segments
|
|
// 3. Check all the segmentns
|
|
//Returns segnum if found, or -1
|
|
int find_point_seg(const vms_vector *p,int segnum);
|
|
|
|
//--repair-- // Create data specific to segments which does not need to get written to disk.
|
|
//--repair-- extern void create_local_segment_data(void);
|
|
|
|
// Sort of makes sure create_local_segment_data has been called for the currently executing mine.
|
|
// Returns 1 if Lsegments appears valid, 0 if not.
|
|
int check_lsegments_validity(void);
|
|
|
|
// ----------------------------------------------------------------------------------------------------------
|
|
// Determine whether seg0 and seg1 are reachable using wid_flag to go through walls.
|
|
// For example, set to WID_RENDPAST_FLAG to see if sound can get from one segment to the other.
|
|
// set to WID_FLY_FLAG to see if a robot could fly from one to the other.
|
|
// Search up to a maximum depth of max_depth.
|
|
// Return the distance.
|
|
extern fix find_connected_distance(vms_vector *p0, int seg0, vms_vector *p1, int seg1, int max_depth, int wid_flag);
|
|
|
|
//create a matrix that describes the orientation of the given segment
|
|
extern void extract_orient_from_segment(vms_matrix *m,segment *seg);
|
|
|
|
// In segment.c
|
|
// Make a just-modified segment valid.
|
|
// check all sides to see how many faces they each should have (0,1,2)
|
|
// create new vector normals
|
|
extern void validate_segment(segment *sp);
|
|
|
|
extern void validate_segment_all(void);
|
|
|
|
// Extract the forward vector from segment *sp, return in *vp.
|
|
// The forward vector is defined to be the vector from the the center of the front face of the segment
|
|
// to the center of the back face of the segment.
|
|
extern void extract_forward_vector_from_segment(segment *sp,vms_vector *vp);
|
|
|
|
// Extract the right vector from segment *sp, return in *vp.
|
|
// The forward vector is defined to be the vector from the the center of the left face of the segment
|
|
// to the center of the right face of the segment.
|
|
extern void extract_right_vector_from_segment(segment *sp,vms_vector *vp);
|
|
|
|
// Extract the up vector from segment *sp, return in *vp.
|
|
// The forward vector is defined to be the vector from the the center of the bottom face of the segment
|
|
// to the center of the top face of the segment.
|
|
extern void extract_up_vector_from_segment(segment *sp,vms_vector *vp);
|
|
|
|
extern void create_walls_on_side(segment *sp, int sidenum);
|
|
|
|
extern void pick_random_point_in_seg(vms_vector *new_pos, int segnum);
|
|
extern void validate_segment_side(segment *sp, int sidenum);
|
|
int check_segment_connections(void);
|
|
void flush_fcd_cache(void);
|
|
unsigned set_segment_depths(int start_seg, array<ubyte, MAX_SEGMENTS> *limit, segment_depth_array_t &depths);
|
|
void apply_all_changed_light(void);
|
|
void set_ambient_sound_flags(void);
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|