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/cvs/deliantra/Deliantra-Client/DC.pm
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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.17 by root, Sun Apr 9 21:50:21 2006 UTC vs.
Revision 1.30 by root, Wed Apr 12 21:35:10 2006 UTC

1=head1 NAME 1=head1 NAME
2 2
3Crossfire::Client - undocumented utility garbage for our crossfire client 3CFClient - undocumented utility garbage for our crossfire client
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use Crossfire::Client; 7 use CFClient;
8 8
9=head1 DESCRIPTION 9=head1 DESCRIPTION
10 10
11=over 4 11=over 4
12 12
13=cut 13=cut
14 14
15package Crossfire::Client; 15package CFClient;
16 16
17BEGIN { 17BEGIN {
18 $VERSION = '0.1'; 18 $VERSION = '0.1';
19 19
20 use XSLoader; 20 use XSLoader;
21 XSLoader::load "Crossfire::Client", $VERSION; 21 XSLoader::load "CFClient", $VERSION;
22}
23
24use SDL::OpenGL;
25
26our %GL_EXT;
27our $GL_VERSION;
28
29our $GL_NPOT;
30
31sub gl_init {
32 $GL_VERSION = gl_version * 1;
33 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
34
35 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
36
37 glEnable GL_TEXTURE_2D;
38 glEnable GL_COLOR_MATERIAL;
39 glShadeModel GL_FLAT;
40 glDisable GL_DEPTH_TEST;
41 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
42
43 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
44
45 CFClient::Texture::restore_state ();
22} 46}
23 47
24sub find_rcfile($) { 48sub find_rcfile($) {
25 my $path; 49 my $path;
26 50
27 for (@INC) { 51 for (@INC) {
28 $path = "$_/Crossfire/resources/$_[0]"; 52 $path = "$_/CFClient/resources/$_[0]";
29 return $path if -r $path; 53 return $path if -r $path;
30 } 54 }
31 55
32 die "FATAL: can't find required file $_[0]\n"; 56 die "FATAL: can't find required file $_[0]\n";
33} 57}
… …
62 } 86 }
63 87
64 close CFG; 88 close CFG;
65} 89}
66 90
67package Crossfire::Client::Texture; 91package CFClient::Texture;
92
93use strict;
68 94
69use Scalar::Util; 95use Scalar::Util;
70 96
71use SDL::OpenGL; 97use SDL::OpenGL;
72 98
… …
76 my ($class, %data) = @_; 102 my ($class, %data) = @_;
77 103
78 my $self = bless { 104 my $self = bless {
79 internalformat => GL_RGBA, 105 internalformat => GL_RGBA,
80 format => GL_RGBA, 106 format => GL_RGBA,
107 type => GL_UNSIGNED_BYTE,
81 %data, 108 %data,
82 }, $class; 109 }, $class;
83 110
84 push @textures, $self; 111 push @textures, $self;
85 Scalar::Util::weaken $textures[-1]; 112 Scalar::Util::weaken $textures[-1];
… …
110# 137#
111# $surface->rgba; 138# $surface->rgba;
112# 139#
113# $class->new ( 140# $class->new (
114# data => $surface->pixels, 141# data => $surface->pixels,
115# width => $surface->width, 142# w => $surface->width,
116# height => $surface->height, 143# h => $surface->height,
117# ) 144# )
118#} 145#}
119 146
120sub new_from_text { 147sub new_from_layout {
121 my ($class, $text, $height) = @_; 148 my ($class, $layout) = @_;
122 149
123 my ($w, $h, $data) = Crossfire::Client::font_render $text, $height; 150 my ($w, $h, $data) = $layout->render;
124 151
125 $class->new ( 152 $class->new (
126 width => $w, 153 w => $w,
127 height => $h, 154 h => $h,
128 data => $data, 155 data => $data,
129 internalformat => GL_ALPHA4, 156 internalformat => GL_ALPHA4,
130 format => GL_ALPHA, 157 format => GL_ALPHA,
158 type => GL_UNSIGNED_BYTE,
131 ) 159 )
132} 160}
133 161
134sub new_from_opengl { 162sub new_from_opengl {
135 my ($class, $w, $h, $cb) = @_; 163 my ($class, $w, $h, $cb) = @_;
136 164
137 $class->new (width => $w, height => $h, rendercb => $cb) 165 $class->new (w => $w, h => $h, render_cb => $cb)
166}
167
168sub topot {
169 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
138} 170}
139 171
140sub upload { 172sub upload {
141 my ($self) = @_; 173 my ($self) = @_;
142 174
143 return unless $SDL::App::USING_OPENGL; 175 return unless $GL_VERSION;
144 176
145 my $data; 177 my $data;
146 178
147 if (exists $self->{data}) { 179 if (exists $self->{data}) {
148 $data = $self->{data}; 180 $data = $self->{data};
181
149 } elsif (exists $self->{rendercb}) { 182 } elsif (exists $self->{render_cb}) {
150 glViewport 0, 0, $self->{width}, $self->{height}; 183 glViewport 0, 0, $self->{w}, $self->{h};
184 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
151 glMatrixMode GL_PROJECTION; 185 glMatrixMode GL_PROJECTION;
152 glLoadIdentity; 186 glLoadIdentity;
153 glOrtho 0, $self->{width}, 0, $self->{height}, -100, 100;
154 glMatrixMode GL_MODELVIEW; 187 glMatrixMode GL_MODELVIEW;
155 glPushmatrix;
156 glLoadIdentity; 188 glLoadIdentity;
157 glClear GL_COLOR_BUFFER_BIT; 189 glClear GL_COLOR_BUFFER_BIT;
158
159 $self->{rendercb}->($self, $self->{width}, $self->{height}); 190 $self->{render_cb}->($self, $self->{w}, $self->{h});
191
160 } else { 192 } else {
161 my $pb = new Gtk2::Gdk::PixbufLoader; 193 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
162 $pb->write ($self->{image}); 194 = CFClient::load_image_inline $self->{image};
163 $pb->close;
164
165 $pb = $pb->get_pixbuf;
166 $pb = $pb->add_alpha (0, 0, 0, 0);
167
168 $self->{width} = $pb->get_width;
169 $self->{height} = $pb->get_height;
170
171 $data = $pb->get_pixels;
172 } 195 }
173 196
197 my ($tw, $th) = @$self{qw(w h)};
198
199 unless ($tw && $th) {
200 $tw = $th = 1;
201 $data = "\x00" x 64;
202 }
203
204 unless ($GL_NPOT) {
205 # TODO: does not work for zero-sized textures
206 $tw = topot $tw;
207 $th = topot $th;
208
209 if ($tw != $self->{w} || $th != $self->{h} && defined $data) {
210 my $bpp = (length $data) / ($self->{w} * $self->{h});
211 $data = pack "(a" . ($tw * $bpp) . ")*",
212 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
213 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
214 }
215 }
216
217 $self->{s} = $self->{w} / $tw;
218 $self->{t} = $self->{h} / $th;
219
174 ($self->{name}) = @{glGenTextures 1}; 220 $self->{name} ||= (glGenTextures 1)->[0];
175 221
176 glBindTexture GL_TEXTURE_2D, $self->{name}; 222 glBindTexture GL_TEXTURE_2D, $self->{name};
177 223
178 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST; 224 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
179 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;#_MIPMAP_LINEAR; 225 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
180 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; 226 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
181 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; 227 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
182 228
183 glGetError;
184 if (defined $data) { 229 if (defined $data) {
185 glTexImage2D GL_TEXTURE_2D, 0, 230 glTexImage2D GL_TEXTURE_2D, 0,
186 $self->{internalformat}, 231 $self->{internalformat},
187 $self->{width}, $self->{height}, 232 $tw, $th, # need to pad texture first
188 0, 233 0,
189 $self->{format}, 234 $self->{format},
190 GL_UNSIGNED_BYTE, 235 $self->{type},
191 $data; 236 $data;
192 glGetError and die; 237 glGetError and die;
193 } else { 238 } else {
194 glCopyTexImage2D GL_TEXTURE_2D, 0, 239 glCopyTexImage2D GL_TEXTURE_2D, 0,
195 $self->{internalformat}, 240 $self->{internalformat},
196 0, 0, 241 0, 0,
197 $self->{width}, $self->{height}, 242 $tw, $th,
198 0; 243 0;
199 glPopmatrix; 244 glGetError and die;
200 } 245 }
201} 246}
202 247
203sub DESTROY { 248sub DESTROY {
204 my ($self) = @_; 249 my ($self) = @_;
… …
206 return unless exists $self->{name}; 251 return unless exists $self->{name};
207 252
208 glDeleteTextures delete $self->{name}; 253 glDeleteTextures delete $self->{name};
209} 254}
210 255
211push @::GL_INIT, sub { 256sub restore_state{
212 $_->upload 257 $_->upload
213 for grep $_, @textures; 258 for grep $_, @textures;
214}; 259};
215 260
2161; 2611;

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