aboutsummaryrefslogtreecommitdiff
path: root/src/parsec/g_explod.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/parsec/g_explod.cpp')
-rw-r--r--src/parsec/g_explod.cpp310
1 files changed, 310 insertions, 0 deletions
diff --git a/src/parsec/g_explod.cpp b/src/parsec/g_explod.cpp
new file mode 100644
index 0000000..0884caa
--- /dev/null
+++ b/src/parsec/g_explod.cpp
@@ -0,0 +1,310 @@
+/*
+ * PARSEC - Explosion Drawing Code
+ *
+ * $Author: uberlinuxguy $ - $Date: 2004/09/15 12:25:25 $
+ *
+ * Orginally written by:
+ * Copyright (c) Markus Hadwiger <msh@parsec.org> 1995-1999
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+// C library
+#include <math.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// compilation flags/debug support
+#include "config.h"
+#include "debug.h"
+
+// general definitions
+#include "general.h"
+#include "objstruc.h"
+
+// global externals
+#include "globals.h"
+
+// subsystem headers
+#include "net_defs.h"
+#include "vid_defs.h"
+
+// drawing subsystem
+#include "d_bmap.h"
+#include "d_iter.h"
+
+// mathematics header
+#include "utl_math.h"
+
+// model header
+#include "utl_model.h"
+
+// local module header
+#include "g_explod.h"
+
+// proprietary module headers
+#include "con_aux.h"
+#include "h_supp.h"
+#include "obj_ctrl.h"
+#include "part_api.h"
+#include "part_def.h"
+#include "part_sys.h"
+#include "g_shkwav.h"
+
+
+
+// constants ------------------------------------------------------------------
+//
+#define EXPLOSION_REFERENCE_Z 900.0
+#define EXPLOSION_REFERENCE_Z_m 420.0
+#define EXPLOSION_REFERENCE_Z_h 1380.0
+#define EXPLOSION_REFERENCE_Z_v 1600.0
+
+
+// draw explosion using custom draw particles ---------------------------------
+//
+PRIVATE
+void DrawParticleBaseExplosion( const ShipObject *shippo )
+{
+ if ( shippo->ExplosionCount == MAX_EXPLOSION_COUNT ) {
+
+ static int dfac_1 = RAND() % 7 + 3;
+ static int dfac_2 = RAND() % 7 + 3;
+ static int dfac_3 = RAND() % 7 + 3;
+ static int dfac_4 = RAND() % 7 + 3;
+ static int dfac_5 = RAND() % 7 + 3;
+
+ // alter basic attributes
+ float ref_z = 600;//400;//spreadfire_ref_z * 2;
+ int bitmap = iter_texrgba | iter_specularadd;
+ int color = 0;//SPREADFIRE_PARTICLE_COLOR;
+ int sizebound = PRT_NO_SIZEBOUND;
+ int lifetime = 1000; //shippo->SpreadLifeTime;
+
+ // fetch pdef
+ pdef_s *pdef = PDEF_explode1();
+ if ( pdef == NULL )
+ return;
+
+ // create pextinfo
+ pextinfo_s extinfo;
+ PRT_InitParticleExtInfo( &extinfo, pdef, NULL, NULL );
+
+ Vector3 dirvec;
+ fixed_t speed = 0;
+ DirVctMUL( shippo->ObjPosition, FIXED_TO_GEOMV( speed ), &dirvec );
+
+ Vertex3 object_space;
+ object_space.X = GEOMV_0;
+ object_space.Y = GEOMV_0;
+ object_space.Z = GEOMV_0;
+
+ Vertex3 world_space;
+ MtxVctMUL( shippo->ObjPosition, &object_space, &world_space );
+
+ dword owner = GetObjectOwner( shippo );
+
+ particle_s particle;
+ PRT_InitParticle( particle, bitmap, color, sizebound,
+ ref_z, &world_space, &dirvec,
+ lifetime, owner, &extinfo );
+ PRT_CreateCustomDrawParticle( particle, shippo );
+//--
+ ref_z = 100;
+ object_space.X = INT_TO_GEOMV( 0 + dfac_1 );
+ object_space.Y = INT_TO_GEOMV( 30 - dfac_1 );
+ MtxVctMUL( shippo->ObjPosition, &object_space, &world_space );
+ PRT_InitParticle( particle, bitmap, color, sizebound,
+ ref_z, &world_space, &dirvec,
+ lifetime, owner, &extinfo );
+ PRT_CreateCustomDrawParticle( particle, shippo );
+//--
+ ref_z = 80;
+ object_space.X = INT_TO_GEOMV( -20 + dfac_2 );
+ object_space.Y = INT_TO_GEOMV( 10 - dfac_2 );
+ MtxVctMUL( shippo->ObjPosition, &object_space, &world_space );
+ PRT_InitParticle( particle, bitmap, color, sizebound,
+ ref_z, &world_space, &dirvec,
+ lifetime, owner, &extinfo );
+ PRT_CreateCustomDrawParticle( particle, shippo );
+//--
+ ref_z = 120;
+ object_space.X = INT_TO_GEOMV( 20 - dfac_3 );
+ object_space.Y = INT_TO_GEOMV( 0 + dfac_3 );
+ MtxVctMUL( shippo->ObjPosition, &object_space, &world_space );
+ PRT_InitParticle( particle, bitmap, color, sizebound,
+ ref_z, &world_space, &dirvec,
+ lifetime, owner, &extinfo );
+ PRT_CreateCustomDrawParticle( particle, shippo );
+//--
+ ref_z = 30;
+ object_space.X = INT_TO_GEOMV( 30 - dfac_4 );
+ object_space.Y = INT_TO_GEOMV( -20 + dfac_4 );
+ MtxVctMUL( shippo->ObjPosition, &object_space, &world_space );
+ PRT_InitParticle( particle, bitmap, color, sizebound,
+ ref_z, &world_space, &dirvec,
+ lifetime, owner, &extinfo );
+ PRT_CreateCustomDrawParticle( particle, shippo );
+//--
+ ref_z = 140;
+ object_space.X = INT_TO_GEOMV( 0 + dfac_5 );
+ object_space.Y = INT_TO_GEOMV( -30 + dfac_5 );
+ MtxVctMUL( shippo->ObjPosition, &object_space, &world_space );
+ PRT_InitParticle( particle, bitmap, color, sizebound,
+ ref_z, &world_space, &dirvec,
+ lifetime, owner, &extinfo );
+ PRT_CreateCustomDrawParticle( particle, shippo );
+//--
+ } else {
+
+ // move particles along with the ship
+ if ( !AUX_DISABLE_DYING_SHIP_MOVEMENT ) {
+
+ Vector3 dirvec;
+ fixed_t speed = shippo->CurSpeed * CurScreenRefFrames;
+ DirVctMUL( shippo->ObjPosition, FIXED_TO_GEOMV( speed ), &dirvec );
+
+ PRT_TranslateCustomParticles( dirvec, shippo );
+ }
+ }
+
+ PRT_DrawCustomParticles( shippo );
+}
+
+
+// draw legacy explosion using bitmaps ----------------------------------------
+//
+PRIVATE
+void DrawBitmapExplosion( const ShipObject *shippo )
+{
+ float refz = EXPLOSION_REFERENCE_Z_h * Screen_Height / 760.0f; // FIXME
+
+ dword frameno = BM_EXPLANIMBASE + ( BM_NUMEXPLFRAMES-1 - shippo->ExplosionCount / EXPL_REF_SPEED );
+
+ Vertex3 shipt;
+ FetchTVector( shippo->CurrentXmatrx, &shipt );
+ SPoint shiploc;
+ PROJECT_TO_SCREEN( shipt, shiploc );
+
+ float scalefac = refz / GEOMV_TO_FLOAT( shipt.Z );
+
+ dword scalewidth = (dword) ( BitmapInfo[ frameno ].width * scalefac );
+ dword scaleheight = (dword) ( BitmapInfo[ frameno ].height * scalefac );
+
+ scalewidth &= ~1;
+ scaleheight &= ~1;
+
+ D_PutSTCBitmap( BitmapInfo[ frameno ].bitmappointer,
+ BitmapInfo[ frameno ].width,
+ BitmapInfo[ frameno ].height,
+ scalewidth, scaleheight,
+ shiploc.X - scalewidth/2,
+ shiploc.Y - scaleheight/2 );
+
+ // draw secondary explosion bitmaps
+ if ( !AUX_USE_SIMPLE_EXPLOSION ) {
+
+ static int dfac_1 = 1;
+ static int dfac_2 = 1;
+ static int dfac_3 = 1;
+ static int dfac_4 = 1;
+ static int dfac_5 = 1;
+
+ if ( shippo->ExplosionCount == MAX_EXPLOSION_COUNT ) {
+ dfac_1 = RAND() % 7 + 3;
+ dfac_2 = RAND() % 7 + 3;
+ dfac_3 = RAND() % 7 + 3;
+ dfac_4 = RAND() % 7 + 3;
+ dfac_5 = RAND() % 7 + 3;
+ }
+
+ dword _scalewidth = scalewidth / 2;
+ dword _scaleheight = scaleheight / 2;
+ if ( scalewidth > 0 && scaleheight > 0 )
+ D_PutSTCBitmap( BitmapInfo[ frameno ].bitmappointer,
+ BitmapInfo[ frameno ].width,
+ BitmapInfo[ frameno ].height,
+ _scalewidth, _scaleheight,
+ shiploc.X - _scalewidth/2 - _scalewidth/dfac_1,
+ shiploc.Y - _scaleheight/2 - _scaleheight/dfac_2 );
+ if ( scalewidth > 0 && scaleheight > 0 )
+ D_PutSTCBitmap( BitmapInfo[ frameno ].bitmappointer,
+ BitmapInfo[ frameno ].width,
+ BitmapInfo[ frameno ].height,
+ _scalewidth, _scaleheight,
+ shiploc.X - _scalewidth/2 + _scalewidth/dfac_3,
+ shiploc.Y - _scaleheight/2 + _scaleheight/dfac_4 );
+
+ _scalewidth = scalewidth / 3;
+ _scaleheight = scaleheight / 3;
+ if ( scalewidth > 0 && scaleheight > 0 )
+ D_PutSTCBitmap( BitmapInfo[ frameno ].bitmappointer,
+ BitmapInfo[ frameno ].width,
+ BitmapInfo[ frameno ].height,
+ _scalewidth, _scaleheight,
+ shiploc.X - _scalewidth/2 + _scalewidth/dfac_2,
+ shiploc.Y - _scaleheight/2 - _scaleheight/dfac_5 );
+
+ _scalewidth = scalewidth / 4;
+ _scaleheight = scaleheight / 4;
+ if ( scalewidth > 0 && scaleheight > 0 )
+ D_PutSTCBitmap( BitmapInfo[ frameno ].bitmappointer,
+ BitmapInfo[ frameno ].width,
+ BitmapInfo[ frameno ].height,
+ _scalewidth, _scaleheight,
+ shiploc.X - _scalewidth/2 + _scalewidth/dfac_3,
+ shiploc.Y - _scaleheight/2 + _scaleheight/dfac_1 );
+
+ _scalewidth = scalewidth / 5;
+ _scaleheight = scaleheight / 5;
+ if ( scalewidth > 0 && scaleheight > 0 )
+ D_PutSTCBitmap( BitmapInfo[ frameno ].bitmappointer,
+ BitmapInfo[ frameno ].width,
+ BitmapInfo[ frameno ].height,
+ _scalewidth, _scaleheight,
+ shiploc.X - _scalewidth/2 + _scalewidth/dfac_5,
+ shiploc.Y - _scaleheight/2 + _scaleheight/dfac_4 );
+ }
+}
+
+
+// draw single frame of explosion animation -----------------------------------
+//
+void DrawExpAnim( const ShipObject *shippo )
+{
+ ASSERT( shippo != NULL );
+
+ // create shock wave if enabled (on first frame)
+ if ( AUX_EXPLOSION_DRAW_SHOCKWAVE ) {
+ ExplosionShockWave( shippo );
+ }
+
+ // draw explosion
+ if ( AUX_PARTICLE_BASE_EXPLOSION ) {
+
+ // anim frames are particles
+ DrawParticleBaseExplosion( shippo );
+
+ } else {
+
+ // anim frames are bitmaps
+ DrawBitmapExplosion( shippo );
+ }
+}
+
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2026-08-30 06:27:28 +0000