180 lines
5.8 KiB
C++
180 lines
5.8 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license.
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* See COPYING.txt for license details.
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*/
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#pragma once
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#include <type_traits>
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#include <physfs.h>
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#include "maths.h"
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#include <cstdint>
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#include "cpp-valptridx.h"
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namespace dcx {
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constexpr std::integral_constant<std::size_t, 9000> MAX_SEGMENTS{};
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using segnum_t = uint16_t;
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}
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#ifdef dsx
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namespace dcx {
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struct shared_segment;
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struct unique_segment;
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struct segment;
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}
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DXX_VALPTRIDX_DECLARE_SUBTYPE(dcx::, segment, segnum_t, MAX_SEGMENTS);
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#endif
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#include "fwd-valptridx.h"
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#include "dsx-ns.h"
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#include "compiler-array.h"
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namespace dcx {
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constexpr std::integral_constant<std::size_t, 8> MAX_VERTICES_PER_SEGMENT{};
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constexpr std::integral_constant<std::size_t, 6> MAX_SIDES_PER_SEGMENT{};
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constexpr std::integral_constant<std::size_t, 4> MAX_VERTICES_PER_POLY{};
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constexpr std::size_t MAX_SEGMENTS_ORIGINAL = 900;
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constexpr std::integral_constant<std::size_t, 4 * MAX_SEGMENTS_ORIGINAL> MAX_SEGMENT_VERTICES_ORIGINAL{};
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constexpr std::integral_constant<std::size_t, 4 * MAX_SEGMENTS> MAX_SEGMENT_VERTICES{};
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}
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#ifdef dsx
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namespace dsx {
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DXX_VALPTRIDX_DEFINE_SUBTYPE_TYPEDEFS(segment, seg);
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static constexpr valptridx<segment>::magic_constant<0xfffe> segment_exit{};
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static constexpr valptridx<segment>::magic_constant<0xffff> segment_none{};
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static constexpr valptridx<segment>::magic_constant<0> segment_first{};
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void delete_segment_from_group(vmsegptridx_t segment_num, unsigned group_num);
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}
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#endif
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namespace dcx {
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typedef uint_fast32_t sidenum_fast_t;
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enum sidenum_t : uint8_t
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{
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WLEFT = 0,
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WTOP = 1,
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WRIGHT = 2,
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WBOTTOM = 3,
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WBACK = 4,
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WFRONT = 5
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};
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//normal everyday vertices
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constexpr std::integral_constant<fix, 0> DEFAULT_LIGHTING{}; // (F1_0/2)
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#if DXX_USE_EDITOR //verts for the new segment
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constexpr std::integral_constant<std::size_t, 8> NUM_NEW_SEG_VERTICES{};
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constexpr std::integral_constant<unsigned, MAX_SEGMENT_VERTICES> NEW_SEGMENT_VERTICES{};
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constexpr std::integral_constant<std::size_t, MAX_SEGMENT_VERTICES + NUM_NEW_SEG_VERTICES> MAX_VERTICES{};
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#else //No editor
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constexpr std::integral_constant<std::size_t, MAX_SEGMENT_VERTICES> MAX_VERTICES{};
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#endif
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struct uvl;
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enum side_type : uint8_t;
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using wallnum_t = uint16_t;
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struct shared_side;
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struct unique_side;
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struct vertex;
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using vertnum_t = uint32_t;
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}
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/* `vertex` has only integer members, so wild reads are unlikely to
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* cause serious harm. It is read far more than it is written, so
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* eliminating checking on reads saves substantial code space.
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*
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* Vertex indices are only taken from map data, not network data, so
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* errors are unlikely. Report them tersely to avoid recording the
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* file+line of every access.
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*/
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#define DXX_VALPTRIDX_REPORT_ERROR_STYLE_const_vertex undefined
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#define DXX_VALPTRIDX_REPORT_ERROR_STYLE_mutable_vertex trap_terse
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DXX_VALPTRIDX_DECLARE_SUBTYPE(dcx::, vertex, vertnum_t, MAX_VERTICES);
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typedef unsigned segment_type_t;
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constexpr segment_type_t SEGMENT_IS_NOTHING = 0;
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constexpr segment_type_t SEGMENT_IS_FUELCEN = 1;
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constexpr segment_type_t SEGMENT_IS_REPAIRCEN = 2;
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constexpr segment_type_t SEGMENT_IS_CONTROLCEN = 3;
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constexpr segment_type_t SEGMENT_IS_ROBOTMAKER = 4;
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#if defined(DXX_BUILD_DESCENT_I)
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constexpr std::integral_constant<std::size_t, 5> MAX_CENTER_TYPES{};
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#elif defined(DXX_BUILD_DESCENT_II)
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typedef unsigned s2f_ambient_t;
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constexpr std::integral_constant<s2f_ambient_t, 1> S2F_AMBIENT_WATER{};
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constexpr std::integral_constant<s2f_ambient_t, 2> S2F_AMBIENT_LAVA{};
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constexpr std::integral_constant<std::size_t, 7> MAX_CENTER_TYPES{};
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constexpr segment_type_t SEGMENT_IS_GOAL_BLUE = 5;
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constexpr segment_type_t SEGMENT_IS_GOAL_RED = 6;
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#endif
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namespace dcx {
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DXX_VALPTRIDX_DEFINE_SUBTYPE_TYPEDEFS(vertex, vert);
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struct count_segment_array_t;
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struct group;
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struct d_level_shared_segment_state;
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struct d_level_unique_segment_state;
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extern unsigned Num_vertices;
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#define Side_to_verts Side_to_verts_int
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extern const array<array<unsigned, 4>, MAX_SIDES_PER_SEGMENT> Side_to_verts_int; // Side_to_verts[my_side] is list of vertices forming side my_side.
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extern const array<uint8_t, MAX_SIDES_PER_SEGMENT> Side_opposite; // Side_opposite[my_side] returns side opposite cube from my_side.
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void segment_side_wall_tmap_write(PHYSFS_File *fp, const shared_side &sside, const unique_side &uside);
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}
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void add_segment_to_group(segnum_t segment_num, int group_num);
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#if defined(DXX_BUILD_DESCENT_II)
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namespace dsx {
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struct delta_light;
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struct dl_index;
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constexpr std::integral_constant<std::size_t, 32000> MAX_DELTA_LIGHTS{}; // Original D2: 10000;
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constexpr std::integral_constant<fix, 2048> DL_SCALE{}; // Divide light to allow 3 bits integer, 5 bits fraction.
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extern array<delta_light, MAX_DELTA_LIGHTS> Delta_lights;
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int subtract_light(vmsegptridx_t segnum, sidenum_fast_t sidenum);
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int add_light(vmsegptridx_t segnum, sidenum_fast_t sidenum);
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void clear_light_subtracted();
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void segment2_write(vcsegptr_t s2, PHYSFS_File *fp);
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void delta_light_read(delta_light *dl, PHYSFS_File *fp);
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void delta_light_write(const delta_light *dl, PHYSFS_File *fp);
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void dl_index_read(dl_index *di, PHYSFS_File *fp);
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void dl_index_write(const dl_index *di, PHYSFS_File *fp);
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using dlindexnum_t = uint16_t;
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}
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#define DXX_VALPTRIDX_REPORT_ERROR_STYLE_default_dl_index trap_terse
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DXX_VALPTRIDX_DECLARE_SUBTYPE(dsx::, dl_index, dlindexnum_t, 500);
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namespace dsx {
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DXX_VALPTRIDX_DEFINE_SUBTYPE_TYPEDEFS(dl_index, dlindex);
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}
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#endif
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namespace dcx {
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template <unsigned bits>
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class visited_segment_mask_t;
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using visited_segment_bitarray_t = visited_segment_mask_t<1>;
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constexpr std::integral_constant<int, MAX_SIDES_PER_SEGMENT> side_none{};
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constexpr std::integral_constant<int, -1> edge_none{};
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}
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