118 lines
3 KiB
C++
118 lines
3 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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* Routines for vclips.
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*
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*/
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#include <stdlib.h>
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#include "dxxerror.h"
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#include "inferno.h"
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#include "vclip.h"
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#include "weapon.h"
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#include "object.h"
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#if defined(DXX_BUILD_DESCENT_II)
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#include "laser.h"
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#endif
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//----------------- Variables for video clips -------------------
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int Num_vclips = 0;
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vclip Vclip[VCLIP_MAXNUM]; // General purpose vclips.
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//draw an object which renders as a vclip
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void draw_vclip_object(object *obj,fix timeleft,int lighted, int vclip_num)
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{
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int nf,bitmapnum;
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nf = Vclip[vclip_num].num_frames;
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bitmapnum = (nf - f2i(fixdiv( (nf-1)*timeleft,Vclip[vclip_num].play_time))) - 1;
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if (bitmapnum >= Vclip[vclip_num].num_frames)
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bitmapnum=Vclip[vclip_num].num_frames-1;
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if (bitmapnum >= 0 ) {
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if (Vclip[vclip_num].flags & VF_ROD)
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draw_object_tmap_rod(obj, Vclip[vclip_num].frames[bitmapnum],lighted);
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else {
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Assert(lighted==0); //blob cannot now be lighted
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draw_object_blob(obj, Vclip[vclip_num].frames[bitmapnum] );
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}
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}
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}
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void draw_weapon_vclip(objptridx_t obj)
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{
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int vclip_num;
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fix modtime,play_time;
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Assert(obj->type == OBJ_WEAPON);
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vclip_num = Weapon_info[get_weapon_id(obj)].weapon_vclip;
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modtime = obj->lifeleft;
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play_time = Vclip[vclip_num].play_time;
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#if defined(DXX_BUILD_DESCENT_II)
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// Special values for modtime were causing enormous slowdown for omega blobs.
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if (modtime == IMMORTAL_TIME)
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modtime = play_time;
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if (get_weapon_id(obj) == PROXIMITY_ID) { //make prox bombs spin out of sync
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int objnum = obj;
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modtime += (modtime * (objnum&7)) / 16; //add variance to spin rate
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while (modtime > play_time)
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modtime -= play_time;
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if ((objnum&1) ^ ((objnum>>1)&1)) //make some spin other way
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modtime = play_time - modtime;
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}
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else
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#endif
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while (modtime > play_time)
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modtime -= play_time;
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draw_vclip_object(obj, modtime, 0, vclip_num);
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}
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/*
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* reads n vclip structs from a PHYSFS_file
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*/
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int vclip_read_n(vclip *vc, int n, PHYSFS_file *fp)
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{
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int i, j;
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for (i = 0; i < n; i++) {
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vc[i].play_time = PHYSFSX_readFix(fp);
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vc[i].num_frames = PHYSFSX_readInt(fp);
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vc[i].frame_time = PHYSFSX_readFix(fp);
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vc[i].flags = PHYSFSX_readInt(fp);
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vc[i].sound_num = PHYSFSX_readShort(fp);
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for (j = 0; j < VCLIP_MAX_FRAMES; j++)
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vc[i].frames[j].index = PHYSFSX_readShort(fp);
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vc[i].light_value = PHYSFSX_readFix(fp);
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}
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return i;
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}
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