deliantra/Deliantra-Client/DC.pm

=head1 NAME

Crossfire::Client - undocumented utility garbage for our crossfire client

=head1 SYNOPSIS

 use Crossfire::Client;

=head1 DESCRIPTION

=over 4

=cut

package Crossfire::Client;

BEGIN {
   $VERSION = '0.1';

   use XSLoader;
   XSLoader::load "Crossfire::Client", $VERSION;
}

sub find_rcfile($) {
   my $path;

   for (@INC) {
      $path = "$_/Crossfire/resources/$_[0]";
      return $path if -r $path;
   }

   die "FATAL: can't find required file $_[0]\n";
}

sub read_cfg {
   my ($file) = @_;

   open CFG, $file
      or return;

   my $CFG;

   local $/;
   $CFG = eval <CFG>;

   $::CFG = $CFG;

   close CFG;
}

sub write_cfg {
   my ($file) = @_;

   open CFG, ">$file"
      or return;

   {
      require Data::Dumper;
      local $Data::Dumper::Purity = 1;
      $::CFG->{VERSION} = $::VERSION;
      print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
   }

   close CFG;
}

package Crossfire::Client::Texture;

use Scalar::Util;

use SDL::OpenGL;

my @textures;

sub _new {
   my ($class, %data) = @_;

   my $self = bless \%data, $class;

   push @textures, $self;
   Scalar::Util::weaken $textures[-1];

   $self->upload;

   $self
}

sub new_from_image {
   my ($class, $image) = @_;

   $class->_new (image => $image)
}

sub new_from_file {
   my ($class, $path) = @_;

   open my $fh, "<:raw", $path
      or die "$path: $!";

   local $/;
   $class->new_from_image (<$fh>)
}

sub new_from_surface {
   my ($class, $surface) = @_;

   $surface->rgba;

   $class->_new (
      data   => $surface->pixels,
      width  => $surface->width,
      height => $surface->height,
   )
}

sub new_from_ttf {
   my ($class, $ttf, $text) = @_;

   utf8::encode $text;

   my $surface = SDL::TTFRenderUTF8Blended $ttf, $text,
      (new SDL::Color -r => 0, -g => 0, -b => 0);

   $class->new_from_surface (bless \$surface, SDL::Surface::)
}

sub new_from_opengl {
   my ($class, $w, $h, $cb) = @_;

   $class->_new (width => $w, height => $h, rendercb => $cb)
}

sub upload {
   my ($self) = @_;

   return unless $SDL::App::USING_OPENGL;

   my $data;

   if (exists $self->{data}) {
      $data = $self->{data};
   } elsif (exists $self->{rendercb}) {
      glViewport 0, 0, $self->{width}, $self->{height};
      glMatrixMode GL_PROJECTION;
      glLoadIdentity;
      glOrtho 0, $self->{width}, 0, $self->{height}, -100, 100;
      glMatrixMode GL_MODELVIEW;
      glPushmatrix;
      glLoadIdentity;
      glClear GL_COLOR_BUFFER_BIT;

      $self->{rendercb}->($self, $self->{width}, $self->{height});
   } else {
      my $pb = new Gtk2::Gdk::PixbufLoader;
      $pb->write ($self->{image});
      $pb->close;

      $pb = $pb->get_pixbuf;
      $pb = $pb->add_alpha (0, 0, 0, 0);

      $self->{width}  = $pb->get_width;
      $self->{height} = $pb->get_height;

      $data = $pb->get_pixels;
   }

   ($self->{name}) = @{glGenTextures 1};

   glBindTexture GL_TEXTURE_2D, $self->{name};

   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;#_MIPMAP_LINEAR;
   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
   
   if (defined $data) {
      glTexImage2D GL_TEXTURE_2D, 0,
                   GL_RGBA8,
                   $self->{width}, $self->{height},
                   0,
                   GL_RGBA,
                   GL_UNSIGNED_BYTE,
                   $data;
   } else {
      warn "I{DTEDRAW TEX: $self->{width} $self->{height} \n";
      warn "ERR: ". (glGetError). "\n";
      my ($bd, $br) = (glGet (GL_DRAW_BUFFER), glGet (GL_READ_BUFFER));
      warn "BUF:[$bd $br]\n";

      glCopyTexImage2D GL_TEXTURE_2D, 0,
                   GL_RGBA8,
                   0, 0,
                   $self->{width}, $self->{height},
                   0;
      glPopmatrix;
      warn "ERR: ". (glGetError). "\n";
      SDL::GLSwapBuffers;
      sleep 1;
   }
}

sub DESTROY {
   my ($self) = @_;

   return unless exists $self->{name};

   glDeleteTextures delete $self->{name};
}

push @::GLINIT, sub {
   $_->upload
      for grep $_, @textures;
};

1;

=back

=head1 AUTHOR

 Marc Lehmann <schmorp@schmorp.de>
 http://home.schmorp.de/

=cut

Revision:	1.13
Committed:	Sat Apr 8 22:23:57 2006 UTC (18 years, 1 month ago) by elmex
Branch:	MAIN
Changes since 1.12:	+5 -4 lines
Log Message:	minor changes all over the code and some debbugging is still going on with the fonts stuff
#	User	Rev	Content
1	root	1.1	=head1 NAME
2
3			Crossfire::Client - undocumented utility garbage for our crossfire client
4
5			=head1 SYNOPSIS
6
7			use Crossfire::Client;
8
9			=head1 DESCRIPTION
10
11			=over 4
12
13			=cut
14
15			package Crossfire::Client;
16
17			BEGIN {
18			$VERSION = '0.1';
19
20	root	1.2	use XSLoader;
21	root	1.1	XSLoader::load "Crossfire::Client", $VERSION;
22			}
23
24	root	1.5	sub find_rcfile($) {
25			my $path;
26
27			for (@INC) {
28			$path = "$_/Crossfire/resources/$_[0]";
29			return $path if -r $path;
30			}
31
32			die "FATAL: can't find required file $_[0]\n";
33			}
34
35			sub read_cfg {
36			my ($file) = @_;
37
38			open CFG, $file
39			or return;
40
41			my $CFG;
42
43			local $/;
44			$CFG = eval <CFG>;
45
46			$::CFG = $CFG;
47
48			close CFG;
49			}
50
51			sub write_cfg {
52			my ($file) = @_;
53
54			open CFG, ">$file"
55			or return;
56
57			{
58	elmex	1.9	require Data::Dumper;
59	root	1.5	local $Data::Dumper::Purity = 1;
60			$::CFG->{VERSION} = $::VERSION;
61			print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
62			}
63
64			close CFG;
65			}
66
67	root	1.3	package Crossfire::Client::Texture;
68
69			use Scalar::Util;
70
71			use SDL::OpenGL;
72
73			my @textures;
74
75	root	1.4	sub _new {
76			my ($class, %data) = @_;
77
78			my $self = bless \%data, $class;
79
80			push @textures, $self;
81			Scalar::Util::weaken $textures[-1];
82
83			$self->upload;
84
85			$self
86			}
87
88			sub new_from_image {
89			my ($class, $image) = @_;
90
91			$class->_new (image => $image)
92			}
93
94	root	1.3	sub new_from_file {
95			my ($class, $path) = @_;
96
97			open my $fh, "<:raw", $path
98			or die "$path: $!";
99
100			local $/;
101	root	1.4	$class->new_from_image (<$fh>)
102	root	1.3	}
103
104	root	1.4	sub new_from_surface {
105			my ($class, $surface) = @_;
106	root	1.3
107	root	1.4	$surface->rgba;
108	root	1.3
109	root	1.4	$class->_new (
110			data => $surface->pixels,
111			width => $surface->width,
112			height => $surface->height,
113			)
114	root	1.3	}
115
116	root	1.6	sub new_from_ttf {
117			my ($class, $ttf, $text) = @_;
118
119	root	1.7	utf8::encode $text;
120	root	1.6
121			my $surface = SDL::TTFRenderUTF8Blended $ttf, $text,
122	elmex	1.13	(new SDL::Color -r => 0, -g => 0, -b => 0);
123	root	1.6
124	root	1.7	$class->new_from_surface (bless \$surface, SDL::Surface::)
125	root	1.6	}
126
127	root	1.8	sub new_from_opengl {
128			my ($class, $w, $h, $cb) = @_;
129
130	elmex	1.10	$class->_new (width => $w, height => $h, rendercb => $cb)
131	root	1.8	}
132
133	root	1.3	sub upload {
134			my ($self) = @_;
135
136			return unless $SDL::App::USING_OPENGL;
137
138	root	1.6	my $data;
139	root	1.3
140			if (exists $self->{data}) {
141	root	1.6	$data = $self->{data};
142	root	1.8	} elsif (exists $self->{rendercb}) {
143			glViewport 0, 0, $self->{width}, $self->{height};
144	root	1.12	glMatrixMode GL_PROJECTION;
145			glLoadIdentity;
146	elmex	1.13	glOrtho 0, $self->{width}, 0, $self->{height}, -100, 100;
147	root	1.12	glMatrixMode GL_MODELVIEW;
148			glPushmatrix;
149			glLoadIdentity;
150	root	1.8	glClear GL_COLOR_BUFFER_BIT;
151
152			$self->{rendercb}->($self, $self->{width}, $self->{height});
153	root	1.3	} else {
154			my $pb = new Gtk2::Gdk::PixbufLoader;
155	root	1.4	$pb->write ($self->{image});
156	root	1.3	$pb->close;
157
158			$pb = $pb->get_pixbuf;
159			$pb = $pb->add_alpha (0, 0, 0, 0);
160
161	root	1.6	$self->{width} = $pb->get_width;
162			$self->{height} = $pb->get_height;
163
164			$data = $pb->get_pixels;
165	root	1.3	}
166
167			($self->{name}) = @{glGenTextures 1};
168
169			glBindTexture GL_TEXTURE_2D, $self->{name};
170
171	elmex	1.13	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
172			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;#_MIPMAP_LINEAR;
173	root	1.3	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
174			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
175
176	root	1.8	if (defined $data) {
177			glTexImage2D GL_TEXTURE_2D, 0,
178			GL_RGBA8,
179			$self->{width}, $self->{height},
180			0,
181			GL_RGBA,
182			GL_UNSIGNED_BYTE,
183			$data;
184			} else {
185	elmex	1.11	warn "I{DTEDRAW TEX: $self->{width} $self->{height} \n";
186			warn "ERR: ". (glGetError). "\n";
187			my ($bd, $br) = (glGet (GL_DRAW_BUFFER), glGet (GL_READ_BUFFER));
188			warn "BUF:[$bd $br]\n";
189
190	root	1.8	glCopyTexImage2D GL_TEXTURE_2D, 0,
191			GL_RGBA8,
192			0, 0,
193			$self->{width}, $self->{height},
194			0;
195	root	1.12	glPopmatrix;
196	elmex	1.11	warn "ERR: ". (glGetError). "\n";
197	elmex	1.13	SDL::GLSwapBuffers;
198	root	1.12	sleep 1;
199	root	1.8	}
200	root	1.3	}
201
202			sub DESTROY {
203			my ($self) = @_;
204
205			return unless exists $self->{name};
206
207			glDeleteTextures delete $self->{name};
208			}
209
210			push @::GLINIT, sub {
211			$_->upload
212			for grep $_, @textures;
213			};
214
215	root	1.1	1;
216
217			=back
218
219			=head1 AUTHOR
220
221			Marc Lehmann <schmorp@schmorp.de>
222			http://home.schmorp.de/
223
224			=cut
225