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PrefunExprOne

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This commit is contained in:
Matthew Bellew
2018-05-10 18:47:15 -07:00
parent 397790b95e
commit 0d248236e7
1 changed files with 14 additions and 2 deletions
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16
src/libprojectM/MilkdropPresetFactory/Expr.cpp
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@ -68,6 +68,16 @@ float PrefunExpr::eval ( int mesh_i, int mesh_j )
}
class PrefunExprOne : public PrefunExpr
{
float eval ( int mesh_i, int mesh_j )
{
float val = expr_list[0]->eval ( mesh_i, mesh_j );
return (func_ptr)(&val);
}
};
class ConstantExpr : public Expr
{
float constant;
@ -383,8 +393,10 @@ Expr * Expr::param_to_expr ( Param * param )
Expr * Expr::prefun_to_expr ( float ( *func_ptr ) ( void * ), Expr ** expr_list, int num_args )
{
PrefunExpr * prefun_expr;
prefun_expr = new PrefunExpr();
if (num_args == 1)
prefun_expr = new PrefunExprOne();
else
prefun_expr = new PrefunExpr();
prefun_expr->num_args = num_args;
prefun_expr->func_ptr = ( float ( * ) ( void* ) ) func_ptr;
prefun_expr->expr_list = expr_list;