implemented 'duplicate' as 'copy' alias

[sdlgit/SDL_perl.git] / lib / SDL / Game / Rect.pm

diff --git a/lib/SDL/Game/Rect.pm b/lib/SDL/Game/Rect.pm
index 470fd65..92e0948 100644 (file)
--- a/lib/SDL/Game/Rect.pm
+++ b/lib/SDL/Game/Rect.pm
@@ -210,7 +210,9 @@ sub midbottom {
 ## methods                   ##
 ###############################
 
-sub duplicate {
+{
+    no strict 'refs';
+    *{'duplicate'} = *{copy};
 }
 
 sub copy {
@@ -649,6 +651,60 @@ sub collidelist {
     return;
 }
 
+sub collidelistall {
+    my ($self, $rects) = (@_);
+
+    unless (defined $rects and ref $rects eq 'ARRAY') {
+        croak "must receive an array reference of SDL::Rect-based objects";
+    }
+
+    my @collisions = ();
+    for(my $i = 0; $i < @{$rects}; $i++) {
+        if ( _do_rects_intersect($self, $rects->[$i]) ) {
+            push @collisions, $i;
+        }
+    }
+    return \@collisions;
+}
+
+sub collidehash {
+    my ($self, $rects) = (@_);
+
+    unless (defined $rects and ref $rects eq 'HASH') {
+        croak "must receive an hash reference of SDL::Rect-based objects";
+    }
+    
+    while ( my ($key, $value) = each %{$rects} ) {
+        unless ($value->isa('SDL::Rect')) {
+            croak "hash element of key '$key' is not an SDL::Rect-based object";
+        }
+        
+        if ( _do_rects_intersect($self, $value) ) {
+            return ($key, $value);
+        }
+    }
+    return (undef, undef);
+}
+
+sub collidehashall {
+    my ($self, $rects) = (@_);
+
+    unless (defined $rects and ref $rects eq 'HASH') {
+        croak "must receive an hash reference of SDL::Rect-based objects";
+    }
+    
+    my %collisions = ();
+    while ( my ($key, $value) = each %{$rects} ) {
+        unless ($value->isa('SDL::Rect')) {
+            croak "hash element of key '$key' is not an SDL::Rect-based object";
+        }
+        
+        if ( _do_rects_intersect($self, $value) ) {
+            $collisions{$key} = $value;
+        }
+    }
+    return \%collisions;
+}
 
 
 42;