Files
projectm/src/projectM-engine/PerFrameEqn.cpp
w1z7ard 0e6df2a168 import of 1.0 branch
git-svn-id: https://projectm.svn.sourceforge.net/svnroot/projectm/trunk@152 6778bc44-b910-0410-a7a0-be141de4315d
2007-06-13 02:34:15 +00:00

108 lines
2.9 KiB
C++
Executable File

/**
* projectM -- Milkdrop-esque visualisation SDK
* Copyright (C)2003-2004 projectM Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* See 'LICENSE.txt' included within this release
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "fatal.h"
#include "common.h"
#include "Param.h"
#include "PerFrameEqn.h"
#include "Eval.h"
#include "Expr.h"
#include "wipemalloc.h"
/* Evaluate an equation */
void PerFrameEqn::eval_per_frame_eqn() {
if (PER_FRAME_EQN_DEBUG) {
printf("per_frame_%d=%s= ", index, param->name);
fflush(stdout);
}
//*((float*)per_frame_eqn->param->engine_val) = eval_gen_expr(per_frame_eqn->gen_expr);
param->set_param(gen_expr->eval_gen_expr());
if (PER_FRAME_EQN_DEBUG) printf(" = %.4f\n", *((float*)param->engine_val));
}
/*
void eval_per_frame_init_eqn(PerFrameEqn * per_frame_eqn) {
float val;
init_cond_t * init_cond;
if (per_frame_eqn == NULL)
return;
if (PER_FRAME_EQN_DEBUG) {
printf("per_frame_init: %s = ", per_frame_eqn->param->name);
fflush(stdout);
}
val = *((float*)per_frame_eqn->param->engine_val) = eval_gen_expr(per_frame_eqn->gen_expr);
if (PER_FRAME_EQN_DEBUG) printf(" = %f\n", *((float*)per_frame_eqn->param->engine_val));
if (per_frame_eqn->param->flags & P_FLAG_QVAR) {
per_frame_eqn->param->init_val.float_val = val;
if ((init_cond = new_init_cond(per_frame_eqn->param)) == NULL)
return;
if ((list_append(init_cond_list, init_cond)) < 0) {
free_init_cond(init_cond);
return;
}
}
}
*/
/* Frees perframe equation structure */
PerFrameEqn::~PerFrameEqn() {
delete gen_expr;
/** Destroy param? */
}
/* Create a new per frame equation */
PerFrameEqn * PerFrameEqn::new_per_frame_eqn(int index, Param * param, GenExpr * gen_expr) {
PerFrameEqn * per_frame_eqn;
per_frame_eqn = (PerFrameEqn*)wipemalloc(sizeof(PerFrameEqn));
if (per_frame_eqn == NULL)
return NULL;
per_frame_eqn->param = param;
per_frame_eqn->gen_expr = gen_expr;
per_frame_eqn->index = index;
/* Set per frame eqn name */
// memset(per_frame_eqn->name, 0, MAX_TOKEN_SIZE);
//strncpy(per_frame_eqn->name, name, MAX_TOKEN_SIZE-1);
return per_frame_eqn;
}