661 lines
15 KiB
C++
661 lines
15 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*/
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/*
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* Load custom textures & robot data
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*/
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#include <memory>
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#include <string.h>
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#include "gr.h"
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#include "pstypes.h"
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#include "piggy.h"
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#include "textures.h"
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#include "robot.h"
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#include "weapon.h"
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#include "digi.h"
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#include "hash.h"
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#include "u_mem.h"
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#include "custom.h"
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#include "physfsx.h"
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#include "compiler-range_for.h"
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#include "d_zip.h"
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#include "partial_range.h"
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#include <iterator>
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#include <memory>
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//#define D2TMAP_CONV // used for testing
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namespace {
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struct snd_info
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{
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unsigned int length;
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uint8_t *data;
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};
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}
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struct DiskBitmapHeader2
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{
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char name[8];
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ubyte dflags;
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ubyte width;
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ubyte height;
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ubyte hi_wh;
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ubyte flags;
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ubyte avg_color;
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int offset;
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} __pack__;
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struct DiskBitmapHeader
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{
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char name[8];
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ubyte dflags;
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ubyte width;
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ubyte height;
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ubyte flags;
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ubyte avg_color;
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int offset;
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} __pack__;
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struct DiskSoundHeader
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{
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char name[8];
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int length;
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int data_length;
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int offset;
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} __pack__;
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namespace {
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struct custom_info
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{
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int offset;
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int repl_idx; // 0x80000000 -> sound, -1 -> n/a
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unsigned int flags;
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int width, height;
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};
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struct bitmap_original
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{
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/* Reuse the type grs_bitmap since it covers most of what is needed.
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* However, instances of bitmap_original are not suitable for direct
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* use in places where a grs_bitmap is expected.
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*/
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grs_bitmap b;
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};
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constexpr std::integral_constant<uint8_t, 0x80> BM_FLAG_CUSTOMIZED{};
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}
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static std::array<bitmap_original, MAX_BITMAP_FILES> BitmapOriginal;
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static std::array<snd_info, MAX_SOUND_FILES> SoundOriginal;
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static int load_pig1(PHYSFS_File *f, unsigned num_bitmaps, unsigned num_sounds, unsigned &num_custom, std::unique_ptr<custom_info[]> &ci)
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{
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int data_ofs;
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int i;
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DiskBitmapHeader bmh;
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DiskSoundHeader sndh;
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char name[15];
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num_custom = 0;
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if (num_bitmaps <= MAX_BITMAP_FILES) // <v1.4 pig?
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{
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PHYSFSX_fseek(f, 8, SEEK_SET);
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data_ofs = 8;
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}
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else if (num_bitmaps > 0 && num_bitmaps < PHYSFS_fileLength(f)) // >=v1.4 pig?
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{
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PHYSFSX_fseek(f, num_bitmaps, SEEK_SET);
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data_ofs = num_bitmaps + 8;
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num_bitmaps = PHYSFSX_readInt(f);
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num_sounds = PHYSFSX_readInt(f);
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}
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else
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return -1; // invalid pig file
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if (num_bitmaps >= MAX_BITMAP_FILES ||
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num_sounds >= MAX_SOUND_FILES)
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return -1; // invalid pig file
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ci = std::make_unique<custom_info[]>(num_bitmaps + num_sounds);
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custom_info *cip = ci.get();
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data_ofs += num_bitmaps * sizeof(DiskBitmapHeader) + num_sounds * sizeof(DiskSoundHeader);
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i = num_bitmaps;
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while (i--)
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{
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if (PHYSFS_read(f, &bmh, sizeof(DiskBitmapHeader), 1) < 1)
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{
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return -1;
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}
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snprintf(name, sizeof(name), "%.8s%c%d", bmh.name, (bmh.dflags & DBM_FLAG_ABM) ? '#' : 0, bmh.dflags & 63);
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cip->offset = bmh.offset + data_ofs;
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cip->repl_idx = hashtable_search(&AllBitmapsNames, name);
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cip->flags = bmh.flags & (BM_FLAG_TRANSPARENT | BM_FLAG_SUPER_TRANSPARENT | BM_FLAG_NO_LIGHTING | BM_FLAG_RLE);
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cip->width = bmh.width + ((bmh.dflags & DBM_FLAG_LARGE) ? 256 : 0);
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cip->height = bmh.height;
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cip++;
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}
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i = num_sounds;
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while (i--)
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{
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if (PHYSFS_read(f, &sndh, sizeof(DiskSoundHeader), 1) < 1)
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{
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return -1;
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}
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memcpy(name, sndh.name, 8);
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name[8] = 0;
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cip->offset = sndh.offset + data_ofs;
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cip->repl_idx = hashtable_search(&AllDigiSndNames, name) | 0x80000000;
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cip->width = sndh.length;
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cip++;
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}
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num_custom = num_bitmaps + num_sounds;
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return 0;
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}
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static int load_pog(PHYSFS_File *f, int pog_sig, int pog_ver, unsigned &num_custom, std::unique_ptr<custom_info[]> &ci)
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{
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int data_ofs;
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int num_bitmaps;
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int no_repl = 0;
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DiskBitmapHeader2 bmh;
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#ifdef D2TMAP_CONV
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int x, j, N_d2tmap;
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int *d2tmap = NULL;
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PHYSFS_File *f2 = NULL;
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if ((f2 = PHYSFSX_openReadBuffered("d2tmap.bin")))
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{
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N_d2tmap = PHYSFSX_readInt(f2);
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if ((d2tmap = d_malloc(N_d2tmap * sizeof(d2tmap[0]))))
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for (i = 0; i < N_d2tmap; i++)
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d2tmap[i] = PHYSFSX_readShort(f2);
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PHYSFS_close(f2);
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}
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#endif
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num_custom = 0;
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if (pog_sig == 0x47495050 && pog_ver == 2) /* PPIG */
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no_repl = 1;
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else if (pog_sig != 0x474f5044 || pog_ver != 1) /* DPOG */
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return -1; // no pig2/pog file/unknown version
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num_bitmaps = PHYSFSX_readInt(f);
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ci = std::make_unique<custom_info[]>(num_bitmaps);
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custom_info *cip = ci.get();
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data_ofs = 12 + num_bitmaps * sizeof(DiskBitmapHeader2);
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if (!no_repl)
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{
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for (int i = num_bitmaps; i--;)
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(cip++)->repl_idx = PHYSFSX_readShort(f);
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cip = ci.get();
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data_ofs += num_bitmaps * 2;
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}
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#ifdef D2TMAP_CONV
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if (d2tmap)
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for (i = 0; i < num_bitmaps; i++)
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{
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x = cip[i].repl_idx;
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cip[i].repl_idx = -1;
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for (j = 0; j < N_d2tmap; j++)
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if (x == d2tmap[j])
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{
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cip[i].repl_idx = Textures[j % NumTextures].index;
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break;
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}
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}
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#endif
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for (int i = num_bitmaps; i--;)
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{
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if (PHYSFS_read(f, &bmh, sizeof(DiskBitmapHeader2), 1) < 1)
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{
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return -1;
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}
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cip->offset = bmh.offset + data_ofs;
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cip->flags = bmh.flags & (BM_FLAG_TRANSPARENT | BM_FLAG_SUPER_TRANSPARENT | BM_FLAG_NO_LIGHTING | BM_FLAG_RLE);
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cip->width = bmh.width + ((bmh.hi_wh & 15) << 8);
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cip->height = bmh.height + ((bmh.hi_wh >> 4) << 8);
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cip++;
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}
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num_custom = num_bitmaps;
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return 0;
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}
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// load custom textures/sounds from pog/pig file
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// returns 0 if ok, <0 on error
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static int load_pigpog(const d_fname &pogname)
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{
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unsigned num_custom;
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grs_bitmap *bmp;
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digi_sound *snd;
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uint8_t *p;
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auto f = PHYSFSX_openReadBuffered(pogname).first;
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int i, j, rc = -1;
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unsigned int x = 0;
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if (!f)
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return -1; // pog file doesn't exist
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i = PHYSFSX_readInt(f);
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x = PHYSFSX_readInt(f);
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std::unique_ptr<custom_info[]> ci;
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if (load_pog(f, i, x, num_custom, ci) && load_pig1(f, i, x, num_custom, ci))
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{
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return rc;
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}
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custom_info *cip = ci.get();
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i = num_custom;
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while (i--)
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{
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x = cip->repl_idx;
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if (cip->repl_idx >= 0)
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{
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PHYSFSX_fseek( f, cip->offset, SEEK_SET );
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if ( cip->flags & BM_FLAG_RLE )
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j = PHYSFSX_readInt(f);
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else
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j = cip->width * cip->height;
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if (!MALLOC(p, ubyte, j))
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{
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return rc;
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}
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bmp = &GameBitmaps[x];
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auto &bmo = BitmapOriginal[x].b;
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if (bmo.get_flag_mask(BM_FLAG_CUSTOMIZED)) // already customized?
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/* If the bitmap was previously customized, and another
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* customization is loaded on top of it, discard the
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* first customization. Retain the stock bitmap in the
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* backup data structure.
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*/
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gr_free_bitmap_data(*bmp);
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else
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{
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/* If the bitmap was not previously customized, then
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* copy it to a backup data structure before replacing
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* it with the custom version.
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*/
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// save original bitmap info
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bmo = *bmp;
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bmo.add_flags(BM_FLAG_CUSTOMIZED);
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if (GameBitmapOffset[x] != pig_bitmap_offset::None) // from pig?
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{
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/* Borrow the data field to store the offset within
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* the pig file, which is not a pointer. Attempts
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* to dereference bm_data will almost certainly
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* crash.
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*/
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bmo.add_flags(BM_FLAG_PAGED_OUT);
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bmo.bm_data = reinterpret_cast<uint8_t *>(static_cast<uintptr_t>(GameBitmapOffset[x]));
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}
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}
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GameBitmapOffset[x] = pig_bitmap_offset::None; // not in pig
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*bmp = {};
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gr_init_bitmap(*bmp, bm_mode::linear, 0, 0, cip->width, cip->height, cip->width, p);
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gr_set_bitmap_flags(*bmp, cip->flags & 255);
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#if !DXX_USE_OGL
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bmp->avg_color = cip->flags >> 8;
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#endif
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if ( cip->flags & BM_FLAG_RLE )
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{
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int *ip = reinterpret_cast<int *>(p);
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*ip = j;
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p += 4;
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j -= 4;
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}
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if (PHYSFS_read(f, p, 1, j) < 1)
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{
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return rc;
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}
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}
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else if ((cip->repl_idx + 1) < 0)
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{
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PHYSFSX_fseek( f, cip->offset, SEEK_SET );
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snd = &GameSounds[x & 0x7fffffff];
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j = cip->width;
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if (!MALLOC(p, ubyte, j))
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{
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return rc;
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}
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if (SoundOriginal[x & 0x7fffffff].length & 0x80000000) // already customized?
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d_free(snd->data);
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else
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{
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#ifdef ALLEGRO
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SoundOriginal[x & 0x7fffffff].length = snd->len | 0x80000000;
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#else
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SoundOriginal[x & 0x7fffffff].length = snd->length | 0x80000000;
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#endif
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SoundOriginal[x & 0x7fffffff].data = snd->data;
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}
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#ifdef ALLEGRO
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snd->loop_end = snd->len = j;
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#else
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snd->length = j;
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#endif
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snd->data = p;
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if (PHYSFS_read(f, p, j, 1) < 1)
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{
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return rc;
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}
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}
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cip++;
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}
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rc = 0;
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return rc;
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}
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static int read_d2_robot_info(PHYSFS_File *fp, robot_info &ri)
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{
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int j;
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ri.model_num = PHYSFSX_readInt(fp);
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for (auto &j : ri.gun_points)
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PHYSFSX_readVector(fp, j);
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for (auto &j : ri.gun_submodels)
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j = PHYSFSX_readByte(fp);
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ri.exp1_vclip_num = PHYSFSX_readShort(fp);
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ri.exp1_sound_num = PHYSFSX_readShort(fp);
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ri.exp2_vclip_num = PHYSFSX_readShort(fp);
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ri.exp2_sound_num = PHYSFSX_readShort(fp);
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const auto weapon_type = PHYSFSX_readByte(fp);
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ri.weapon_type = weapon_type < N_weapon_types ? static_cast<weapon_id_type>(weapon_type) : weapon_id_type::LASER_ID_L1;
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/*ri.weapon_type2 =*/ PHYSFSX_readByte(fp);
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ri.n_guns = PHYSFSX_readByte(fp);
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ri.contains_id = PHYSFSX_readByte(fp);
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ri.contains_count = PHYSFSX_readByte(fp);
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ri.contains_prob = PHYSFSX_readByte(fp);
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ri.contains_type = PHYSFSX_readByte(fp);
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/*ri.kamikaze =*/ PHYSFSX_readByte(fp);
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ri.score_value = PHYSFSX_readShort(fp);
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/*ri.badass =*/ PHYSFSX_readByte(fp);
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/*ri.energy_drain =*/ PHYSFSX_readByte(fp);
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ri.lighting = PHYSFSX_readFix(fp);
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ri.strength = PHYSFSX_readFix(fp);
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ri.mass = PHYSFSX_readFix(fp);
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ri.drag = PHYSFSX_readFix(fp);
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for (auto &j : ri.field_of_view)
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j = PHYSFSX_readFix(fp);
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for (auto &j : ri.firing_wait)
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j = PHYSFSX_readFix(fp);
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for (j = 0; j < NDL; j++)
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/*ri.firing_wait2[j] =*/ PHYSFSX_readFix(fp);
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for (auto &j : ri.turn_time)
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j = PHYSFSX_readFix(fp);
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#if 0 // not used in d1, removed in d2
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for (j = 0; j < NDL; j++)
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ri.fire_power[j] = PHYSFSX_readFix(fp);
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for (j = 0; j < NDL; j++)
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ri.shield[j] = PHYSFSX_readFix(fp);
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#endif
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for (auto &j : ri.max_speed)
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j = PHYSFSX_readFix(fp);
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for (auto &j : ri.circle_distance)
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j = PHYSFSX_readFix(fp);
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for (auto &j : ri.rapidfire_count)
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j = PHYSFSX_readByte(fp);
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for (auto &j : ri.evade_speed)
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j = PHYSFSX_readByte(fp);
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ri.cloak_type = PHYSFSX_readByte(fp);
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ri.attack_type = PHYSFSX_readByte(fp);
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ri.see_sound = PHYSFSX_readByte(fp);
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ri.attack_sound = PHYSFSX_readByte(fp);
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ri.claw_sound = PHYSFSX_readByte(fp);
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/*ri.taunt_sound =*/ PHYSFSX_readByte(fp);
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ri.boss_flag = PHYSFSX_readByte(fp);
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/*ri.companion =*/ PHYSFSX_readByte(fp);
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/*ri.smart_blobs =*/ PHYSFSX_readByte(fp);
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/*ri.energy_blobs =*/ PHYSFSX_readByte(fp);
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/*ri.thief =*/ PHYSFSX_readByte(fp);
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/*ri.pursuit =*/ PHYSFSX_readByte(fp);
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/*ri.lightcast =*/ PHYSFSX_readByte(fp);
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/*ri.death_roll =*/ PHYSFSX_readByte(fp);
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/*ri.flags =*/ PHYSFSX_readByte(fp);
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/*ri.pad[0] =*/ PHYSFSX_readByte(fp);
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/*ri.pad[1] =*/ PHYSFSX_readByte(fp);
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/*ri.pad[2] =*/ PHYSFSX_readByte(fp);
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/*ri.deathroll_sound =*/ PHYSFSX_readByte(fp);
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/*ri.glow =*/ PHYSFSX_readByte(fp);
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/*ri.behavior =*/ PHYSFSX_readByte(fp);
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/*ri.aim =*/ PHYSFSX_readByte(fp);
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for (auto &j : ri.anim_states)
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{
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for (auto &k : j)
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{
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k.n_joints = PHYSFSX_readShort(fp);
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k.offset = PHYSFSX_readShort(fp);
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}
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}
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ri.always_0xabcd = PHYSFSX_readInt(fp);
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return 1;
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}
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namespace dsx {
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static void load_hxm(const d_fname &hxmname)
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{
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auto &Robot_joints = LevelSharedRobotJointState.Robot_joints;
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unsigned int repl_num;
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int i;
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auto f = PHYSFSX_openReadBuffered(hxmname).first;
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int n_items;
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if (!f)
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return; // hxm file doesn't exist
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if (PHYSFSX_readInt(f) != 0x21584d48) /* HMX! */
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{
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// invalid hxm file
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return;
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}
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if (PHYSFSX_readInt(f) != 1)
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{
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// unknown version
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return;
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}
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|
// read robot info
|
|
if ((n_items = PHYSFSX_readInt(f)) != 0)
|
|
{
|
|
auto &Robot_info = LevelSharedRobotInfoState.Robot_info;
|
|
for (i = 0; i < n_items; i++)
|
|
{
|
|
repl_num = PHYSFSX_readInt(f);
|
|
|
|
if (repl_num >= MAX_ROBOT_TYPES)
|
|
{
|
|
PHYSFSX_fseek(f, 480, SEEK_CUR); /* sizeof d2_robot_info */
|
|
}
|
|
else
|
|
{
|
|
if (!(read_d2_robot_info(f, Robot_info[repl_num])))
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// read joint positions
|
|
if ((n_items = PHYSFSX_readInt(f)) != 0)
|
|
{
|
|
for (i = 0; i < n_items; i++)
|
|
{
|
|
repl_num = PHYSFSX_readInt(f);
|
|
|
|
if (repl_num >= MAX_ROBOT_JOINTS)
|
|
PHYSFSX_fseek(f, sizeof(jointpos), SEEK_CUR);
|
|
else
|
|
{
|
|
jointpos_read(f, Robot_joints[repl_num]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// read polygon models
|
|
if ((n_items = PHYSFSX_readInt(f)) != 0)
|
|
{
|
|
for (i = 0; i < n_items; i++)
|
|
{
|
|
polymodel *pm;
|
|
|
|
repl_num = PHYSFSX_readInt(f);
|
|
if (repl_num >= MAX_POLYGON_MODELS)
|
|
{
|
|
PHYSFSX_readInt(f); // skip n_models
|
|
PHYSFSX_fseek(f, 734 - 8 + PHYSFSX_readInt(f) + 8, SEEK_CUR);
|
|
}
|
|
else
|
|
{
|
|
auto &Polygon_models = LevelSharedPolygonModelState.Polygon_models;
|
|
pm = &Polygon_models[repl_num];
|
|
polymodel_read(*pm, f);
|
|
const auto model_data_size = pm->model_data_size;
|
|
pm->model_data = std::make_unique<uint8_t[]>(model_data_size);
|
|
if (PHYSFS_read(f, pm->model_data, model_data_size, 1) < 1)
|
|
{
|
|
pm->model_data.reset();
|
|
return;
|
|
}
|
|
|
|
Dying_modelnums[repl_num] = PHYSFSX_readInt(f);
|
|
Dead_modelnums[repl_num] = PHYSFSX_readInt(f);
|
|
}
|
|
}
|
|
}
|
|
|
|
// read object bitmaps
|
|
if ((n_items = PHYSFSX_readInt(f)) != 0)
|
|
{
|
|
for (i = 0; i < n_items; i++)
|
|
{
|
|
const auto oi = static_cast<object_bitmap_index>(PHYSFSX_readInt(f));
|
|
auto v = PHYSFSX_readShort(f);
|
|
if (ObjBitmaps.valid_index(oi))
|
|
ObjBitmaps[oi].index = v;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// undo customized items
|
|
static void custom_remove()
|
|
{
|
|
int i;
|
|
|
|
for (auto &&[gbo, bmo, bmp] : zip(GameBitmapOffset, BitmapOriginal, GameBitmaps))
|
|
if (bmo.b.get_flag_mask(BM_FLAG_CUSTOMIZED))
|
|
{
|
|
gr_free_bitmap_data(bmp);
|
|
bmp = bmo.b;
|
|
bmo.b.clear_flags();
|
|
|
|
if (bmp.get_flag_mask(BM_FLAG_PAGED_OUT))
|
|
{
|
|
/* If the bitmap was unloaded before it was customized,
|
|
* then restore GameBitmapOffset so that the stock data
|
|
* can be reloaded when it is next needed.
|
|
*/
|
|
/* Casting this pointer into a smaller integer is legal
|
|
* because the value in bm_data is not a pointer. It is
|
|
* a copy of the value that GameBitmapOffset had when
|
|
* the bitmap_original was initialized.
|
|
*/
|
|
gbo = static_cast<pig_bitmap_offset>(reinterpret_cast<uintptr_t>(bmo.b.bm_data));
|
|
gr_set_bitmap_data(bmp, nullptr);
|
|
}
|
|
else
|
|
{
|
|
/* Otherwise, the bitmap was loaded before it was
|
|
* overwritten, so the copy restored from the backup is
|
|
* ready for use.
|
|
*/
|
|
bmp.set_flags(bmp.get_flags() & ~BM_FLAG_CUSTOMIZED);
|
|
}
|
|
}
|
|
for (i = 0; i < MAX_SOUND_FILES; i++)
|
|
if (SoundOriginal[i].length & 0x80000000)
|
|
{
|
|
d_free(GameSounds[i].data);
|
|
GameSounds[i].data = SoundOriginal[i].data;
|
|
#ifdef ALLEGRO
|
|
GameSounds[i].len = SoundOriginal[i].length & 0x7fffffff;
|
|
#else
|
|
GameSounds[i].length = SoundOriginal[i].length & 0x7fffffff;
|
|
#endif
|
|
SoundOriginal[i].length = 0;
|
|
}
|
|
}
|
|
|
|
void load_custom_data(const d_fname &level_name)
|
|
{
|
|
custom_remove();
|
|
d_fname custom_file;
|
|
using std::begin;
|
|
using std::end;
|
|
using std::copy;
|
|
using std::next;
|
|
auto bl = begin(level_name);
|
|
auto bc = begin(custom_file);
|
|
auto &pg1 = ".pg1";
|
|
copy(bl, next(bl, custom_file.size() - sizeof(pg1)), bc);
|
|
auto o = std::find(bc, next(bc, custom_file.size() - sizeof(pg1)), '.');
|
|
copy(begin(pg1), end(pg1), o);
|
|
load_pigpog(custom_file);
|
|
auto &dtx = "dtx";
|
|
++o;
|
|
copy(begin(dtx), end(dtx), o);
|
|
load_pigpog(custom_file);
|
|
auto &hx1 = "hx1";
|
|
copy(begin(hx1), end(hx1), o);
|
|
load_hxm(custom_file);
|
|
}
|
|
|
|
void custom_close()
|
|
{
|
|
custom_remove();
|
|
}
|