mirror of
https://github.com/Cesarus85/ringfall-mjolnir-vr.git
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147 lines
3.0 KiB
C
147 lines
3.0 KiB
C
/*
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PATH_STRUCTURE_BSP.C
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symbols in this file:
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00051D80 01e0:
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_structure_test_ray2d (0000)
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00051F60 0080:
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_structure_surfaces_are_equivalent (0000)
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00051FE0 0070:
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_clip_empty_interval_by_solid_interval (0000)
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00052050 0450:
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_structure_test_line2d (0000)
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000524A0 0060:
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_structure_surface_index_from_point (0000)
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00052500 0270:
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_structure_test_pill2d (0000)
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0024EC0C 0040:
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_rdata_0024ec0c (0000)
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0024EC4C 0027:
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??_C@_0CH@JLKIDLBA@c?3?2halo?2SOURCE?2ai?2path_structure@ (0000)
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0024EC78 0008:
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__real@3fa99999a0000000 (0000)
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0024EC80 0004:
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__real@3c000000 (0000)
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0024EC88 0048:
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??_C@_0EI@IFBLLPMB@surface_index?$DO?$DN0?5?$CG?$CG?5surface_inde@ (0000)
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0024ECD0 0007:
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??_C@_06KJFADLGN@result?$AA@ (0000)
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*/
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/* ---------- headers */
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#include "cseries.h"
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#include "path_structure_bsp.h"
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#include "math/real_math.h"
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#include "physics/collision_bsp.h"
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#include "physics/collision_bsp_definitions.h"
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#include "structures/structure_bsp_definitions.h"
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/* ---------- constants */
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/* ---------- macros */
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/* ---------- structures */
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/* ---------- prototypes */
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/* ---------- globals */
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/* ---------- public code */
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boolean structure_surfaces_are_equivalent(
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struct structure_bsp const *structure,
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real_point2d const *destination_point,
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long destination_surface_index,
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long test_surface_index)
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{
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struct collision_bsp const *bsp;
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real_point3d destination_point3d;
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real_point3d test_point3d;
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boolean result;
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bsp = TAG_BLOCK_GET_ELEMENT(&structure->collision_bsp, 0, struct collision_bsp);
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result = FALSE;
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if (destination_surface_index != NONE && test_surface_index != NONE)
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{
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collision_surface_project_point2d(
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bsp,
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destination_surface_index,
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_z,
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TRUE,
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destination_point,
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&destination_point3d);
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collision_surface_project_point2d(
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bsp,
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test_surface_index,
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_z,
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TRUE,
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destination_point,
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&test_point3d);
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result = fabs(destination_point3d.z - test_point3d.z) < 0.05f;
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}
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return result;
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}
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boolean clip_empty_interval_by_solid_interval(
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real *empty_t0,
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real *empty_t1,
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real solid_t0,
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real solid_t1)
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{
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real clipped_solid_t0;
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real clipped_solid_t1;
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if (*empty_t0 > solid_t1)
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clipped_solid_t1 = *empty_t0;
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else
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clipped_solid_t1 = solid_t1;
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solid_t1 = clipped_solid_t1;
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clipped_solid_t0 = MIN(solid_t0, *empty_t1);
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if (*empty_t1 - solid_t1 > clipped_solid_t0 - *empty_t0)
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*empty_t0 = solid_t1;
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else
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*empty_t1 = clipped_solid_t0;
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return *empty_t0 > *empty_t1;
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}
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long structure_surface_index_from_point(
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struct structure_bsp const *structure,
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boolean ignore_broken_surfaces,
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real_point2d const *known_point,
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long known_surface_index,
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real_point2d *point)
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{
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struct path_collision_result result;
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if (known_surface_index != NONE)
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{
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structure_test_line2d(
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structure,
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ignore_broken_surfaces,
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known_point,
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known_surface_index,
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point,
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NONE,
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&result);
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point->x = result.point.x;
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point->y = result.point.y;
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if (result.surface_index == NONE)
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return known_surface_index;
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return result.surface_index;
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}
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return NONE;
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}
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/* ---------- private code */
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