a842e15d94
Conflicts: SConstruct common/include/editor/ehostage.h common/main/cntrlcen.h common/main/laser.h common/main/mission.h common/main/net_udp.h common/main/object.h main/vers_id.h similar/editor/kfuncs.c similar/main/inferno.c similar/main/lighting.c similar/main/multibot.c similar/main/newmenu.c similar/main/physics.c
649 lines
18 KiB
C
649 lines
18 KiB
C
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Bitmap and palette loading functions.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "pstypes.h"
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#include "inferno.h"
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#include "gr.h"
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#include "bm.h"
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#include "u_mem.h"
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#include "dxxerror.h"
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#include "object.h"
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#include "vclip.h"
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#include "effects.h"
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#include "polyobj.h"
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#include "wall.h"
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#include "textures.h"
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#include "game.h"
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#ifdef NETWORK
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#include "multi.h"
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#endif
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#include "iff.h"
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#include "powerup.h"
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#include "sounds.h"
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#include "piggy.h"
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#include "aistruct.h"
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#include "robot.h"
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#include "weapon.h"
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#include "gauges.h"
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#include "player.h"
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#include "endlevel.h"
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#include "cntrlcen.h"
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#include "makesig.h"
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#include "interp.h"
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#include "console.h"
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#include "rle.h"
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ubyte Sounds[MAX_SOUNDS];
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ubyte AltSounds[MAX_SOUNDS];
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#ifdef EDITOR
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int Num_object_subtypes = 1;
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#endif
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//for each model, a model number for dying & dead variants, or -1 if none
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int Dying_modelnums[MAX_POLYGON_MODELS];
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int Dead_modelnums[MAX_POLYGON_MODELS];
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//the polygon model number to use for the marker
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int Marker_model_num = -1;
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//right now there's only one player ship, but we can have another by
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//adding an array and setting the pointer to the active ship.
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player_ship only_player_ship,*Player_ship=&only_player_ship;
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//----------------- Miscellaneous bitmap pointers ---------------
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int Num_cockpits = 0;
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bitmap_index cockpit_bitmap[N_COCKPIT_BITMAPS];
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//---------------- Variables for wall textures ------------------
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int Num_tmaps;
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tmap_info TmapInfo[MAX_TEXTURES];
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//---------------- Variables for object textures ----------------
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int First_multi_bitmap_num=-1;
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int N_ObjBitmaps;
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bitmap_index ObjBitmaps[MAX_OBJ_BITMAPS];
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ushort ObjBitmapPtrs[MAX_OBJ_BITMAPS]; // These point back into ObjBitmaps, since some are used twice.
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/*
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* reads n tmap_info structs from a PHYSFS_file
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*/
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int tmap_info_read_n(tmap_info *ti, int n, PHYSFS_file *fp)
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{
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int i;
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for (i = 0; i < n; i++) {
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ti[i].flags = PHYSFSX_readByte(fp);
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ti[i].pad[0] = PHYSFSX_readByte(fp);
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ti[i].pad[1] = PHYSFSX_readByte(fp);
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ti[i].pad[2] = PHYSFSX_readByte(fp);
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ti[i].lighting = PHYSFSX_readFix(fp);
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ti[i].damage = PHYSFSX_readFix(fp);
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ti[i].eclip_num = PHYSFSX_readShort(fp);
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ti[i].destroyed = PHYSFSX_readShort(fp);
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ti[i].slide_u = PHYSFSX_readShort(fp);
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ti[i].slide_v = PHYSFSX_readShort(fp);
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}
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return i;
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}
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int tmap_info_read_n_d1(tmap_info *ti, int n, PHYSFS_file *fp)
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{
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int i;
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for (i = 0; i < n; i++) {
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PHYSFSX_fseek(fp, 13, SEEK_CUR);// skip filename
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ti[i].flags = PHYSFSX_readByte(fp);
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ti[i].lighting = PHYSFSX_readFix(fp);
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ti[i].damage = PHYSFSX_readFix(fp);
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ti[i].eclip_num = PHYSFSX_readInt(fp);
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}
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return i;
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}
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void gamedata_close()
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{
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free_polygon_models();
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bm_free_extra_objbitmaps();
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free_endlevel_data();
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rle_cache_close();
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piggy_close();
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}
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//-----------------------------------------------------------------
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// Initializes game properties data (including texture caching system) and sound data.
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int gamedata_init()
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{
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init_polygon_models();
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init_endlevel();
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#ifdef EDITOR
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// The pc_shareware argument is currently unused for Descent 2,
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// but *may* be useful for loading Descent 1 Shareware texture properties.
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if (!gamedata_read_tbl(0))
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#endif
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if (!properties_init()) // This calls properties_read_cmp
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Error("Cannot open ham file\n");
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piggy_read_sounds();
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return 0;
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}
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void bm_read_all(PHYSFS_file * fp)
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{
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int i,t;
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NumTextures = PHYSFSX_readInt(fp);
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bitmap_index_read_n(Textures, NumTextures, fp );
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tmap_info_read_n(TmapInfo, NumTextures, fp);
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t = PHYSFSX_readInt(fp);
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PHYSFS_read( fp, Sounds, sizeof(ubyte), t );
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PHYSFS_read( fp, AltSounds, sizeof(ubyte), t );
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Num_vclips = PHYSFSX_readInt(fp);
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vclip_read_n(Vclip, Num_vclips, fp);
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Num_effects = PHYSFSX_readInt(fp);
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eclip_read_n(Effects, Num_effects, fp);
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Num_wall_anims = PHYSFSX_readInt(fp);
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wclip_read_n(WallAnims, Num_wall_anims, fp);
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N_robot_types = PHYSFSX_readInt(fp);
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robot_info_read_n(Robot_info, N_robot_types, fp);
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N_robot_joints = PHYSFSX_readInt(fp);
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jointpos_read_n(Robot_joints, N_robot_joints, fp);
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N_weapon_types = PHYSFSX_readInt(fp);
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weapon_info_read_n(Weapon_info, N_weapon_types, fp, Piggy_hamfile_version);
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N_powerup_types = PHYSFSX_readInt(fp);
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powerup_type_info_read_n(Powerup_info, N_powerup_types, fp);
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N_polygon_models = PHYSFSX_readInt(fp);
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polymodel_read_n(Polygon_models, N_polygon_models, fp);
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for (i=0; i<N_polygon_models; i++ )
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polygon_model_data_read(&Polygon_models[i], fp);
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for (i = 0; i < N_polygon_models; i++)
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Dying_modelnums[i] = PHYSFSX_readInt(fp);
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for (i = 0; i < N_polygon_models; i++)
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Dead_modelnums[i] = PHYSFSX_readInt(fp);
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t = PHYSFSX_readInt(fp);
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bitmap_index_read_n(Gauges, t, fp);
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bitmap_index_read_n(Gauges_hires, t, fp);
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N_ObjBitmaps = PHYSFSX_readInt(fp);
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bitmap_index_read_n(ObjBitmaps, N_ObjBitmaps, fp);
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for (i = 0; i < N_ObjBitmaps; i++)
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ObjBitmapPtrs[i] = PHYSFSX_readShort(fp);
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player_ship_read(&only_player_ship, fp);
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Num_cockpits = PHYSFSX_readInt(fp);
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bitmap_index_read_n(cockpit_bitmap, Num_cockpits, fp);
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//@@ PHYSFS_read( fp, &Num_total_object_types, sizeof(int), 1 );
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//@@ PHYSFS_read( fp, ObjType, sizeof(byte), Num_total_object_types );
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//@@ PHYSFS_read( fp, ObjId, sizeof(byte), Num_total_object_types );
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//@@ PHYSFS_read( fp, ObjStrength, sizeof(fix), Num_total_object_types );
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First_multi_bitmap_num = PHYSFSX_readInt(fp);
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Num_reactors = PHYSFSX_readInt(fp);
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reactor_read_n(Reactors, Num_reactors, fp);
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Marker_model_num = PHYSFSX_readInt(fp);
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//@@PHYSFS_read( fp, &N_controlcen_guns, sizeof(int), 1 );
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//@@PHYSFS_read( fp, controlcen_gun_points, sizeof(vms_vector), N_controlcen_guns );
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//@@PHYSFS_read( fp, controlcen_gun_dirs, sizeof(vms_vector), N_controlcen_guns );
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if (Piggy_hamfile_version < 3) {
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exit_modelnum = PHYSFSX_readInt(fp);
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destroyed_exit_modelnum = PHYSFSX_readInt(fp);
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}
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else
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exit_modelnum = destroyed_exit_modelnum = N_polygon_models;
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}
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//these values are the number of each item in the release of d2
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//extra items added after the release get written in an additional hamfile
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#define N_D2_ROBOT_TYPES 66
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#define N_D2_ROBOT_JOINTS 1145
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#define N_D2_POLYGON_MODELS 166
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#define N_D2_OBJBITMAPS 422
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#define N_D2_OBJBITMAPPTRS 502
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#define N_D2_WEAPON_TYPES 62
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extern int Num_bitmap_files;
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int extra_bitmap_num = 0;
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void bm_free_extra_objbitmaps()
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{
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int i;
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if (!extra_bitmap_num)
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extra_bitmap_num = Num_bitmap_files;
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for (i = Num_bitmap_files; i < extra_bitmap_num; i++)
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{
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N_ObjBitmaps--;
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d_free(GameBitmaps[i].bm_data);
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}
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extra_bitmap_num = Num_bitmap_files;
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}
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void bm_free_extra_models()
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{
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while (N_polygon_models > N_D2_POLYGON_MODELS)
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free_model(&Polygon_models[--N_polygon_models]);
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while (N_polygon_models > exit_modelnum)
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free_model(&Polygon_models[--N_polygon_models]);
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}
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//type==1 means 1.1, type==2 means 1.2 (with weapons)
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void bm_read_extra_robots(const char *fname,int type)
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{
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PHYSFS_file *fp;
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int t,i,version;
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fp = PHYSFSX_openReadBuffered(fname);
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if (!fp)
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{
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Error("Failed to open HAM file \"%s\"", fname);
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return;
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}
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if (type == 2) {
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int sig;
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sig = PHYSFSX_readInt(fp);
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if (sig != MAKE_SIG('X','H','A','M'))
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return;
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version = PHYSFSX_readInt(fp);
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}
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else
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version = 0;
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(void)version; // NOTE: we do not need it, but keep it for possible further use
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bm_free_extra_models();
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bm_free_extra_objbitmaps();
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//read extra weapons
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t = PHYSFSX_readInt(fp);
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N_weapon_types = N_D2_WEAPON_TYPES+t;
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if (N_weapon_types >= MAX_WEAPON_TYPES)
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Error("Too many weapons (%d) in <%s>. Max is %d.",t,fname,MAX_WEAPON_TYPES-N_D2_WEAPON_TYPES);
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weapon_info_read_n(&Weapon_info[N_D2_WEAPON_TYPES], t, fp, 3);
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//now read robot info
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t = PHYSFSX_readInt(fp);
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N_robot_types = N_D2_ROBOT_TYPES+t;
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if (N_robot_types >= MAX_ROBOT_TYPES)
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Error("Too many robots (%d) in <%s>. Max is %d.",t,fname,MAX_ROBOT_TYPES-N_D2_ROBOT_TYPES);
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robot_info_read_n(&Robot_info[N_D2_ROBOT_TYPES], t, fp);
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t = PHYSFSX_readInt(fp);
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N_robot_joints = N_D2_ROBOT_JOINTS+t;
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if (N_robot_joints >= MAX_ROBOT_JOINTS)
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Error("Too many robot joints (%d) in <%s>. Max is %d.",t,fname,MAX_ROBOT_JOINTS-N_D2_ROBOT_JOINTS);
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jointpos_read_n(&Robot_joints[N_D2_ROBOT_JOINTS], t, fp);
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t = PHYSFSX_readInt(fp);
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N_polygon_models = N_D2_POLYGON_MODELS+t;
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if (N_polygon_models >= MAX_POLYGON_MODELS)
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Error("Too many polygon models (%d) in <%s>. Max is %d.",t,fname,MAX_POLYGON_MODELS-N_D2_POLYGON_MODELS);
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polymodel_read_n(&Polygon_models[N_D2_POLYGON_MODELS], t, fp);
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for (i=N_D2_POLYGON_MODELS; i<N_polygon_models; i++ )
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polygon_model_data_read(&Polygon_models[i], fp);
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for (i = N_D2_POLYGON_MODELS; i < N_polygon_models; i++)
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Dying_modelnums[i] = PHYSFSX_readInt(fp);
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for (i = N_D2_POLYGON_MODELS; i < N_polygon_models; i++)
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Dead_modelnums[i] = PHYSFSX_readInt(fp);
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t = PHYSFSX_readInt(fp);
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if (N_D2_OBJBITMAPS+t >= MAX_OBJ_BITMAPS)
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Error("Too many object bitmaps (%d) in <%s>. Max is %d.",t,fname,MAX_OBJ_BITMAPS-N_D2_OBJBITMAPS);
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bitmap_index_read_n(&ObjBitmaps[N_D2_OBJBITMAPS], t, fp);
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t = PHYSFSX_readInt(fp);
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if (N_D2_OBJBITMAPPTRS+t >= MAX_OBJ_BITMAPS)
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Error("Too many object bitmap pointers (%d) in <%s>. Max is %d.",t,fname,MAX_OBJ_BITMAPS-N_D2_OBJBITMAPPTRS);
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for (i = N_D2_OBJBITMAPPTRS; i < (N_D2_OBJBITMAPPTRS + t); i++)
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ObjBitmapPtrs[i] = PHYSFSX_readShort(fp);
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PHYSFS_close(fp);
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}
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int Robot_replacements_loaded = 0;
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void load_robot_replacements(char *level_name)
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{
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PHYSFS_file *fp;
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int t,i,j;
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char ifile_name[FILENAME_LEN];
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change_filename_extension(ifile_name, level_name, ".HXM" );
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fp = PHYSFSX_openReadBuffered(ifile_name);
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if (!fp) //no robot replacement file
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return;
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t = PHYSFSX_readInt(fp); //read id "HXM!"
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if (t!= 0x21584d48)
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Error("ID of HXM! file incorrect");
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t = PHYSFSX_readInt(fp); //read version
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if (t<1)
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Error("HXM! version too old (%d)",t);
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t = PHYSFSX_readInt(fp); //read number of robots
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for (j=0;j<t;j++) {
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i = PHYSFSX_readInt(fp); //read robot number
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if (i<0 || i>=N_robot_types)
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Error("Robots number (%d) out of range in (%s). Range = [0..%d].",i,level_name,N_robot_types-1);
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robot_info_read_n(&Robot_info[i], 1, fp);
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}
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t = PHYSFSX_readInt(fp); //read number of joints
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for (j=0;j<t;j++) {
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i = PHYSFSX_readInt(fp); //read joint number
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if (i<0 || i>=N_robot_joints)
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Error("Robots joint (%d) out of range in (%s). Range = [0..%d].",i,level_name,N_robot_joints-1);
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jointpos_read_n(&Robot_joints[i], 1, fp);
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}
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t = PHYSFSX_readInt(fp); //read number of polygon models
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for (j=0;j<t;j++)
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{
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i = PHYSFSX_readInt(fp); //read model number
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if (i<0 || i>=N_polygon_models)
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Error("Polygon model (%d) out of range in (%s). Range = [0..%d].",i,level_name,N_polygon_models-1);
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free_model(&Polygon_models[i]);
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polymodel_read(&Polygon_models[i], fp);
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polygon_model_data_read(&Polygon_models[i], fp);
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Dying_modelnums[i] = PHYSFSX_readInt(fp);
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Dead_modelnums[i] = PHYSFSX_readInt(fp);
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}
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t = PHYSFSX_readInt(fp); //read number of objbitmaps
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for (j=0;j<t;j++) {
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i = PHYSFSX_readInt(fp); //read objbitmap number
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if (i<0 || i>=MAX_OBJ_BITMAPS)
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Error("Object bitmap number (%d) out of range in (%s). Range = [0..%d].",i,level_name,MAX_OBJ_BITMAPS-1);
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bitmap_index_read(&ObjBitmaps[i], fp);
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}
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t = PHYSFSX_readInt(fp); //read number of objbitmapptrs
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for (j=0;j<t;j++) {
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i = PHYSFSX_readInt(fp); //read objbitmapptr number
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if (i<0 || i>=MAX_OBJ_BITMAPS)
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Error("Object bitmap pointer (%d) out of range in (%s). Range = [0..%d].",i,level_name,MAX_OBJ_BITMAPS-1);
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ObjBitmapPtrs[i] = PHYSFSX_readShort(fp);
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}
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PHYSFS_close(fp);
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Robot_replacements_loaded = 1;
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}
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/*
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* Routines for loading exit models
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*
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* Used by d1 levels (including some add-ons), and by d2 shareware.
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* Could potentially be used by d2 add-on levels, but only if they
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* don't use "extra" robots...
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*/
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// formerly exitmodel_bm_load_sub
|
|
bitmap_index read_extra_bitmap_iff( char * filename )
|
|
{
|
|
bitmap_index bitmap_num;
|
|
grs_bitmap * new = &GameBitmaps[extra_bitmap_num];
|
|
ubyte newpal[256*3];
|
|
int iff_error; //reference parm to avoid warning message
|
|
|
|
bitmap_num.index = 0;
|
|
|
|
//MALLOC( new, grs_bitmap, 1 );
|
|
iff_error = iff_read_bitmap(filename,new,BM_LINEAR,newpal);
|
|
new->bm_handle=0;
|
|
if (iff_error != IFF_NO_ERROR) {
|
|
con_printf(CON_DEBUG, "Error loading exit model bitmap <%s> - IFF error: %s\n", filename, iff_errormsg(iff_error));
|
|
return bitmap_num;
|
|
}
|
|
|
|
if ( iff_has_transparency )
|
|
gr_remap_bitmap_good( new, newpal, iff_transparent_color, 254 );
|
|
else
|
|
gr_remap_bitmap_good( new, newpal, -1, 254 );
|
|
|
|
new->avg_color = 0; //compute_average_pixel(new);
|
|
|
|
bitmap_num.index = extra_bitmap_num;
|
|
|
|
GameBitmaps[extra_bitmap_num++] = *new;
|
|
|
|
//d_free( new );
|
|
return bitmap_num;
|
|
}
|
|
|
|
// formerly load_exit_model_bitmap
|
|
grs_bitmap *bm_load_extra_objbitmap(char *name)
|
|
{
|
|
Assert(N_ObjBitmaps < MAX_OBJ_BITMAPS);
|
|
|
|
{
|
|
ObjBitmaps[N_ObjBitmaps] = read_extra_bitmap_iff(name);
|
|
|
|
if (ObjBitmaps[N_ObjBitmaps].index == 0)
|
|
{
|
|
char *name2 = d_strdup(name);
|
|
*strrchr(name2, '.') = '\0';
|
|
ObjBitmaps[N_ObjBitmaps] = read_extra_bitmap_d1_pig(name2);
|
|
d_free(name2);
|
|
}
|
|
if (ObjBitmaps[N_ObjBitmaps].index == 0)
|
|
return NULL;
|
|
|
|
if (GameBitmaps[ObjBitmaps[N_ObjBitmaps].index].bm_w!=64 || GameBitmaps[ObjBitmaps[N_ObjBitmaps].index].bm_h!=64)
|
|
Error("Bitmap <%s> is not 64x64",name);
|
|
ObjBitmapPtrs[N_ObjBitmaps] = N_ObjBitmaps;
|
|
N_ObjBitmaps++;
|
|
Assert(N_ObjBitmaps < MAX_OBJ_BITMAPS);
|
|
return &GameBitmaps[ObjBitmaps[N_ObjBitmaps-1].index];
|
|
}
|
|
}
|
|
|
|
#ifdef OGL
|
|
void ogl_cache_polymodel_textures(int model_num);
|
|
#endif
|
|
|
|
int load_exit_models()
|
|
{
|
|
PHYSFS_file *exit_hamfile;
|
|
int start_num;
|
|
|
|
bm_free_extra_models();
|
|
bm_free_extra_objbitmaps();
|
|
|
|
start_num = N_ObjBitmaps;
|
|
if (!bm_load_extra_objbitmap("steel1.bbm") ||
|
|
!bm_load_extra_objbitmap("rbot061.bbm") ||
|
|
!bm_load_extra_objbitmap("rbot062.bbm") ||
|
|
!bm_load_extra_objbitmap("steel1.bbm") ||
|
|
!bm_load_extra_objbitmap("rbot061.bbm") ||
|
|
!bm_load_extra_objbitmap("rbot063.bbm"))
|
|
{
|
|
con_printf(CON_NORMAL, "Can't load exit models!\n");
|
|
return 0;
|
|
}
|
|
|
|
exit_hamfile = PHYSFSX_openReadBuffered("exit.ham");
|
|
|
|
if (exit_hamfile) {
|
|
exit_modelnum = N_polygon_models++;
|
|
destroyed_exit_modelnum = N_polygon_models++;
|
|
polymodel_read(&Polygon_models[exit_modelnum], exit_hamfile);
|
|
polymodel_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
|
|
Polygon_models[exit_modelnum].first_texture = start_num;
|
|
Polygon_models[destroyed_exit_modelnum].first_texture = start_num+3;
|
|
|
|
polygon_model_data_read(&Polygon_models[exit_modelnum], exit_hamfile);
|
|
|
|
polygon_model_data_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
|
|
|
|
PHYSFS_close(exit_hamfile);
|
|
|
|
} else if (PHYSFSX_exists("exit01.pof",1) && PHYSFSX_exists("exit01d.pof",1)) {
|
|
|
|
exit_modelnum = load_polygon_model("exit01.pof", 3, start_num, NULL);
|
|
destroyed_exit_modelnum = load_polygon_model("exit01d.pof", 3, start_num + 3, NULL);
|
|
|
|
#ifdef OGL
|
|
ogl_cache_polymodel_textures(exit_modelnum);
|
|
ogl_cache_polymodel_textures(destroyed_exit_modelnum);
|
|
#endif
|
|
}
|
|
else if (PHYSFSX_exists(D1_PIGFILE,1))
|
|
{
|
|
int offset, offset2;
|
|
int hamsize;
|
|
|
|
exit_hamfile = PHYSFSX_openReadBuffered(D1_PIGFILE);
|
|
hamsize = PHYSFS_fileLength(exit_hamfile);
|
|
switch (hamsize) { //total hack for loading models
|
|
case D1_PIGSIZE:
|
|
offset = 91848; /* and 92582 */
|
|
offset2 = 383390; /* and 394022 */
|
|
break;
|
|
default:
|
|
case D1_SHARE_BIG_PIGSIZE:
|
|
case D1_SHARE_10_PIGSIZE:
|
|
case D1_SHARE_PIGSIZE:
|
|
case D1_10_BIG_PIGSIZE:
|
|
case D1_10_PIGSIZE:
|
|
Int3(); /* exit models should be in .pofs */
|
|
case D1_OEM_PIGSIZE:
|
|
case D1_MAC_PIGSIZE:
|
|
case D1_MAC_SHARE_PIGSIZE:
|
|
con_printf(CON_NORMAL, "Can't load exit models!\n");
|
|
return 0;
|
|
}
|
|
PHYSFSX_fseek(exit_hamfile, offset, SEEK_SET);
|
|
exit_modelnum = N_polygon_models++;
|
|
destroyed_exit_modelnum = N_polygon_models++;
|
|
polymodel_read(&Polygon_models[exit_modelnum], exit_hamfile);
|
|
polymodel_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
|
|
Polygon_models[exit_modelnum].first_texture = start_num;
|
|
Polygon_models[destroyed_exit_modelnum].first_texture = start_num+3;
|
|
|
|
PHYSFSX_fseek(exit_hamfile, offset2, SEEK_SET);
|
|
polygon_model_data_read(&Polygon_models[exit_modelnum], exit_hamfile);
|
|
polygon_model_data_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
|
|
|
|
PHYSFS_close(exit_hamfile);
|
|
} else {
|
|
con_printf(CON_NORMAL, "Can't load exit models!\n");
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
void compute_average_rgb(grs_bitmap *bm, fix *rgb)
|
|
{
|
|
ubyte *buf;
|
|
int i, x, y, color, count;
|
|
fix t_rgb[3] = { 0, 0, 0 };
|
|
|
|
rgb[0] = rgb[1] = rgb[2] = 0;
|
|
|
|
if (!bm->bm_data)
|
|
return;
|
|
|
|
MALLOC(buf, ubyte, bm->bm_w*bm->bm_h);
|
|
memset(buf,0,bm->bm_w*bm->bm_h);
|
|
|
|
if (bm->bm_flags & BM_FLAG_RLE){
|
|
unsigned char * dbits;
|
|
unsigned char * sbits;
|
|
int data_offset;
|
|
|
|
data_offset = 1;
|
|
if (bm->bm_flags & BM_FLAG_RLE_BIG)
|
|
data_offset = 2;
|
|
|
|
sbits = &bm->bm_data[4 + (bm->bm_h * data_offset)];
|
|
dbits = buf;
|
|
|
|
for (i=0; i < bm->bm_h; i++ ) {
|
|
gr_rle_decode(sbits,dbits);
|
|
if ( bm->bm_flags & BM_FLAG_RLE_BIG )
|
|
sbits += (int)INTEL_SHORT(*((short *)&(bm->bm_data[4+(i*data_offset)])));
|
|
else
|
|
sbits += (int)bm->bm_data[4+i];
|
|
dbits += bm->bm_w;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
memcpy(buf, bm->bm_data, sizeof(unsigned char)*(bm->bm_w*bm->bm_h));
|
|
}
|
|
|
|
i = 0;
|
|
for (x = 0; x < bm->bm_h; x++)
|
|
{
|
|
for (y = 0; y < bm->bm_w; y++)
|
|
{
|
|
color = buf[i++];
|
|
t_rgb[0] = gr_palette[color*3];
|
|
t_rgb[1] = gr_palette[color*3+1];
|
|
t_rgb[2] = gr_palette[color*3+2];
|
|
if (!(color == TRANSPARENCY_COLOR || (t_rgb[0] == t_rgb[1] && t_rgb[0] == t_rgb[2])))
|
|
{
|
|
rgb[0] += t_rgb[0];
|
|
rgb[1] += t_rgb[1];
|
|
rgb[2] += t_rgb[2];
|
|
count++;
|
|
}
|
|
}
|
|
}
|
|
d_free(buf);
|
|
}
|