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Diffstat (limited to 'src/parsec/e_colani.cpp')
| -rw-r--r-- | src/parsec/e_colani.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/src/parsec/e_colani.cpp b/src/parsec/e_colani.cpp new file mode 100644 index 0000000..0cf96f6 --- /dev/null +++ b/src/parsec/e_colani.cpp @@ -0,0 +1,227 @@ +/* + * PARSEC - Color Animations + * + * $Author: uberlinuxguy $ - $Date: 2004/09/15 12:25:22 $ + * + * Orginally written by: + * Copyright (c) Markus Hadwiger <msh@parsec.org> 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 <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" + +// local module header +#include "e_colani.h" + +// proprietary module headers +#include "con_aux.h" +#include "obj_ctrl.h" + + + +// maximum number of registered colanims -------------------------------------- +// +#define MAX_NUM_REGISTERED_COLANIMS 64 + + +// tables for registered colanims --------------------------------------------- +// +PUBLIC int num_registered_colanims = 0; +PUBLIC colanimreg_s registered_colanims[ MAX_NUM_REGISTERED_COLANIMS ]; + + +// fetch already registered colanim via name ---------------------------------- +// +colanimreg_s *FetchColAnim( char *name, dword *colanimid ) +{ + ASSERT( name != NULL ); + + for ( int cid = 0; cid < num_registered_colanims; cid++ ) { + + ASSERT( registered_colanims[ cid ].name != NULL ); + if ( stricmp( registered_colanims[ cid ].name, name ) == 0 ) { + + if ( colanimid != NULL ) + *colanimid = cid; + return ®istered_colanims[ cid ]; + } + } + + return NULL; +} + + +// init colanim in specified face anim state ---------------------------------- +// +void InitAnimStateColAnim( FaceAnimState *animstate, colanim_s *colanim, dword colflags ) +{ + ASSERT( animstate != NULL ); + ASSERT( colanim != NULL ); + + animstate->ColAnim = colanim; + animstate->ColFlags = colflags; + animstate->col_pos0 = 0; + animstate->col_pos1 = 0; + + ASSERT( colanim->col_table0 != NULL ); + colfrm_s *col0 = &colanim->col_table0[ animstate->col_pos0 ]; + animstate->col_time0 = col0->deltatime; + + if ( colanim->col_table1 != NULL ) { + colfrm_s *col1 = &colanim->col_table1[ animstate->col_pos1 ]; + animstate->col_time1 = col1->deltatime; + } +} + + +// check object for use of specified colanim, update if used ------------------ +// +PRIVATE +void UpdateObjectColAnims( GenObject *obj, colanim_s *colanim ) +{ + ASSERT( obj != NULL ); + ASSERT( colanim != NULL ); + + if ( obj->FaceAnimStates == NULL ) + return; + + // scan all active anim states + for ( int stindx = 0; stindx < obj->ActiveFaceAnims; stindx++ ) { + + FaceAnimState *animstate = &obj->FaceAnimStates[ stindx ]; + + // update animstate with respect to changed colanim + if ( animstate->ColAnim == colanim ) { + InitAnimStateColAnim( animstate, colanim, animstate->ColFlags ); + } + } +} + + +// update specified colanim in all objects that use it ------------------------ +// +PRIVATE +void UpdateWorldColAnims( colanim_s *colanim ) +{ + ASSERT( colanim != NULL ); + + // scan ships + GenObject *objlist = FetchFirstShip(); + for ( ; objlist != NULL; objlist = objlist->NextObj ) { + UpdateObjectColAnims( objlist, colanim ); + } + UpdateObjectColAnims( MyShip, colanim ); + + // scan lasers + objlist = FetchFirstLaser(); + for ( ; objlist != NULL; objlist = objlist->NextObj ) { + UpdateObjectColAnims( objlist, colanim ); + } + + // scan missiles + objlist = FetchFirstMissile(); + for ( ; objlist != NULL; objlist = objlist->NextObj ) { + UpdateObjectColAnims( objlist, colanim ); + } + + // scan extras + objlist = FetchFirstExtra(); + for ( ; objlist != NULL; objlist = objlist->NextObj ) { + UpdateObjectColAnims( objlist, colanim ); + } + + // scan custom objects + objlist = FetchFirstCustom(); + for ( ; objlist != NULL; objlist = objlist->NextObj ) { + UpdateObjectColAnims( objlist, colanim ); + } +} + + +// register new colanim ------------------------------------------------------- +// +int RegisterColAnim( colanimreg_s *colanimreg ) +{ + ASSERT( colanimreg != NULL ); + + if ( num_registered_colanims >= MAX_NUM_REGISTERED_COLANIMS ) + return FALSE; + + // name is mandatory + if ( colanimreg->name == NULL ) + return FALSE; + + int overwrite = FALSE; + dword colanimid = num_registered_colanims; + colanim_s* colanim = ®istered_colanims[ colanimid ].colanim; + + // check for already registered colanim of same name + if ( FetchColAnim( colanimreg->name, &colanimid ) != NULL ) { + + if ( !AUX_ENABLE_COLANIM_OVERLOADING ) + return FALSE; + + // previously registered colanim will be overwritten + colanim = ®istered_colanims[ colanimid ].colanim; + overwrite = TRUE; + + // mem was reserved in one block for both tables + ASSERT( colanim->col_table0 != NULL ); + FREEMEM( colanim->col_table0 ); + memset( colanim, 0, sizeof( colanim_s ) ); + + } else { + + // allocate new colanim name + char *name = (char *) ALLOCMEM( strlen( colanimreg->name ) + 1 ); + if ( name == NULL ) + OUTOFMEM( 0 ); + strcpy( name, colanimreg->name ); + + ASSERT( registered_colanims[ colanimid ].name == NULL ); + registered_colanims[ colanimid ].name = name; + + num_registered_colanims++; + } + + // copy new colanim info + memcpy( colanim, &colanimreg->colanim, sizeof( colanim_s ) ); + + // if old colanim has been overwritten its users must be updated + if ( overwrite ) { + UpdateWorldColAnims( colanim ); + } + + return TRUE; +} + + + |