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/*
* 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;
}
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