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https://github.com/id-Software/Wolf3D-iOS.git
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Source release of Wolfenstein 3D Classic Platinum for iOS, 1.0
This commit is contained in:
Travis Bradshaw
194
wolf3d/newCode/wolf/wolf_weapon.c
Normal file
194
wolf3d/newCode/wolf/wolf_weapon.c
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/*
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Copyright (C) 2004 Michael Liebscher
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Copyright (C) 2000-2002 by DarkOne the Hacker
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "../wolfiphone.h"
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/*
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-----------------------------------------------------------------------------
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Function:
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Parameters:
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Returns:
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Notes:
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-----------------------------------------------------------------------------
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*/
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PUBLIC void fire_hit( player_t *self )
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{
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entity_t *closest;
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int dist, d1, n, shot_dist, damage;
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Sound_StartSound( NULL, 0, CHAN_WEAPON, Sound_RegisterSound( "lsfx/023.wav" ), 1, ATTN_NORM, 0 );
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// actually fire
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dist = 0x7fffffff;
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closest = NULL;
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for( n = 0 ; n < NumGuards ; ++n )
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{
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if( Guards[ n ].flags & FL_SHOOTABLE ) // && Guards[n].flags&FL_VISABLE
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{
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shot_dist = Point2LineDist( Guards[ n ].x - self->position.origin[ 0 ], Guards[ n ].y - self->position.origin[ 1 ], self->position.angle );
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if( shot_dist > (2 * TILEGLOBAL / 3) )
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{
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continue; // miss
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}
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d1 = LineLen2Point( Guards[ n ].x - self->position.origin[ 0 ], Guards[ n ].y - self->position.origin[ 1 ], self->position.angle );
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if( d1 < 0 || d1 > dist )
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{
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continue;
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}
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if( ! Level_CheckLine( Guards[ n ].x, Guards[ n ].y, Player.position.origin[0], Player.position.origin[1], r_world ) )
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{
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//if( ! CheckLine( &Guards[ n ] ) )
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continue; // obscured
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}
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dist = d1;
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closest = &Guards[ n ];
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}
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}
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if( ! closest || dist > TILE2POS( 1 ) )
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{
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return; // missed if further than 1.5 tiles
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}
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damage = US_RndT() >> 4;
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A_DamageActor( closest, damage ); // hit something
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}
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/*
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-----------------------------------------------------------------------------
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Function:
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Parameters:
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Returns:
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Notes:
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-----------------------------------------------------------------------------
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*/
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PUBLIC void fire_lead( player_t *self )
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{
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entity_t *closest;
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int damage;
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int dx, dy, dist;
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int d1, shot_dist, n;
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switch( self->weapon )
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{
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case WEAPON_PISTOL:
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Sound_StartSound( NULL, 0, CHAN_WEAPON, Sound_RegisterSound( "sfx/012.wav" ), 1, ATTN_NORM, 0 );
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break;
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case WEAPON_AUTO:
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Sound_StartSound( NULL, 0, CHAN_WEAPON, Sound_RegisterSound( "sfx/011.wav" ), 1, ATTN_NORM, 0 );
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break;
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case WEAPON_CHAIN:
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Sound_StartSound( NULL, 0, CHAN_WEAPON, Sound_RegisterSound( "sfx/013.wav" ), 1, ATTN_NORM, 0 );
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break;
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}
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self->madenoise = true;
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dist = 0x7fffffffl;
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closest = NULL;
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for( n = 0 ; n < NumGuards; ++n )
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{
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if( Guards[ n ].flags & FL_SHOOTABLE ) // && Guards[n].flags&FL_VISABLE
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{
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shot_dist = Point2LineDist( Guards[ n ].x - self->position.origin[ 0 ], Guards[ n ].y - self->position.origin[ 1 ], self->position.angle );
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if( shot_dist > (2 * TILEGLOBAL / 3) )
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{
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continue; // miss
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}
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d1 = LineLen2Point( Guards[ n ].x - self->position.origin[ 0 ], Guards[ n ].y - self->position.origin[ 1 ], self->position.angle );
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if( d1 < 0 || d1 > dist )
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{
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continue;
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}
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if( ! Level_CheckLine( Guards[ n ].x, Guards[ n ].y, Player.position.origin[0], Player.position.origin[1], r_world ) )
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{
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//if( ! CheckLine( &Guards[ n ] ) )
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continue; // obscured
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}
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dist = d1;
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closest = &Guards[ n ];
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}
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}
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if( ! closest ) // missed
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{
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r_trace_t trace;
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trace.a = NormalizeAngle( self->position.angle - DEG2FINE( 2 ) + rand() % (DEG2FINE( 4 ) ) );
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trace.x = self->position.origin[ 0 ];
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trace.y = self->position.origin[ 1 ];
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trace.flags = TRACE_BULLET;
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trace.tile_vis = NULL;
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R_Trace( &trace, r_world );
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if( trace.flags & TRACE_HIT_DOOR )
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{
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Sound_StartSound( NULL, 0, CHAN_AUTO, Sound_RegisterSound( "lsfx/028.wav" ), 1, ATTN_NORM, 0 );
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}
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return;
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}
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// hit something
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dx = ABS( closest->tilex - self->tilex );
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dy = ABS( closest->tiley - self->tiley );
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dist = max_of_2( dx, dy );
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if( dist < 2 )
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{
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damage = US_RndT() / 4;
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}
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else if( dist < 4 )
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{
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damage = US_RndT() / 6;
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}
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else
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{
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if( US_RndT() / 12 < dist )
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{
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return; // missed
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}
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damage = US_RndT() / 6;
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}
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A_DamageActor( closest, damage );
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}
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