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17 | BEGIN { |
17 | BEGIN { |
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 "Crossfire::Client", $VERSION; |
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22 | } |
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23 | |
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24 | our %GL_EXT; |
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25 | our $GL_VERSION; |
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26 | |
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27 | our $GL_NPOT; |
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28 | |
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29 | sub gl_init { |
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30 | $GL_VERSION = gl_version * 1; |
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31 | %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
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32 | |
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33 | $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; |
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34 | |
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35 | Crossfire::Client::Texture::restore_state (); |
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36 | |
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37 | # $GL_NPOT=0;#d# |
22 | } |
38 | } |
23 | |
39 | |
24 | sub find_rcfile($) { |
40 | sub find_rcfile($) { |
25 | my $path; |
41 | my $path; |
26 | |
42 | |
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70 | |
86 | |
71 | use SDL::OpenGL; |
87 | use SDL::OpenGL; |
72 | |
88 | |
73 | my @textures; |
89 | my @textures; |
74 | |
90 | |
75 | sub _new { |
91 | sub new { |
76 | my ($class, %data) = @_; |
92 | my ($class, %data) = @_; |
77 | |
93 | |
78 | my $self = bless \%data, $class; |
94 | my $self = bless { |
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95 | internalformat => GL_RGBA, |
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96 | format => GL_RGBA, |
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97 | %data, |
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98 | }, $class; |
79 | |
99 | |
80 | push @textures, $self; |
100 | push @textures, $self; |
81 | Scalar::Util::weaken $textures[-1]; |
101 | Scalar::Util::weaken $textures[-1]; |
82 | |
102 | |
83 | $self->upload; |
103 | $self->upload; |
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86 | } |
106 | } |
87 | |
107 | |
88 | sub new_from_image { |
108 | sub new_from_image { |
89 | my ($class, $image) = @_; |
109 | my ($class, $image) = @_; |
90 | |
110 | |
91 | $class->_new (image => $image) |
111 | $class->new (image => $image) |
92 | } |
112 | } |
93 | |
113 | |
94 | sub new_from_file { |
114 | sub new_from_file { |
95 | my ($class, $path) = @_; |
115 | my ($class, $path) = @_; |
96 | |
116 | |
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99 | |
119 | |
100 | local $/; |
120 | local $/; |
101 | $class->new_from_image (<$fh>) |
121 | $class->new_from_image (<$fh>) |
102 | } |
122 | } |
103 | |
123 | |
104 | sub new_from_surface { |
124 | #sub new_from_surface { |
105 | my ($class, $surface) = @_; |
125 | # my ($class, $surface) = @_; |
106 | |
126 | # |
107 | $surface->rgba; |
127 | # $surface->rgba; |
108 | |
128 | # |
109 | $class->_new ( |
129 | # $class->new ( |
110 | data => $surface->pixels, |
130 | # data => $surface->pixels, |
111 | width => $surface->width, |
131 | # width => $surface->width, |
112 | height => $surface->height, |
132 | # height => $surface->height, |
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133 | # ) |
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134 | #} |
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135 | |
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136 | sub new_from_text { |
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137 | my ($class, $text, $height) = @_; |
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138 | |
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139 | my ($w, $h, $data) = Crossfire::Client::font_render $text, $height; |
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140 | |
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141 | $class->new ( |
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142 | width => $w, |
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143 | height => $h, |
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144 | data => $data, |
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145 | internalformat => GL_ALPHA4, |
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146 | format => GL_ALPHA, |
113 | ) |
147 | ) |
114 | } |
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115 | |
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116 | sub new_from_ttf { |
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117 | my ($class, $ttf, $text) = @_; |
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118 | |
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119 | utf8::encode $text; |
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120 | |
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121 | my $surface = SDL::TTFRenderUTF8Blended $ttf, $text, |
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122 | (new SDL::Color -r => 255, -g => 255, -b => 255); |
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123 | |
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124 | $class->new_from_surface (bless \$surface, SDL::Surface::) |
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125 | } |
148 | } |
126 | |
149 | |
127 | sub new_from_opengl { |
150 | sub new_from_opengl { |
128 | my ($class, $w, $h, $cb) = @_; |
151 | my ($class, $w, $h, $cb) = @_; |
129 | |
152 | |
130 | $class->_new (width => $w, height => $h, rendercb => $cb) |
153 | $class->new (width => $w, height => $h, rendercb => $cb) |
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154 | } |
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155 | |
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156 | sub topot { |
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157 | (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0] |
131 | } |
158 | } |
132 | |
159 | |
133 | sub upload { |
160 | sub upload { |
134 | my ($self) = @_; |
161 | my ($self) = @_; |
135 | |
162 | |
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139 | |
166 | |
140 | if (exists $self->{data}) { |
167 | if (exists $self->{data}) { |
141 | $data = $self->{data}; |
168 | $data = $self->{data}; |
142 | } elsif (exists $self->{rendercb}) { |
169 | } elsif (exists $self->{rendercb}) { |
143 | glViewport 0, 0, $self->{width}, $self->{height}; |
170 | glViewport 0, 0, $self->{width}, $self->{height}; |
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171 | glMatrixMode GL_PROJECTION; |
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172 | glLoadIdentity; |
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173 | glOrtho 0, $self->{width}, 0, $self->{height}, -10000, 10000; |
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174 | glMatrixMode GL_MODELVIEW; |
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175 | glPushmatrix; |
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176 | glLoadIdentity; |
144 | glClear GL_COLOR_BUFFER_BIT; |
177 | glClear GL_COLOR_BUFFER_BIT; |
145 | |
178 | |
146 | $self->{rendercb}->($self, $self->{width}, $self->{height}); |
179 | $self->{rendercb}->($self, $self->{width}, $self->{height}); |
147 | } else { |
180 | } else { |
148 | my $pb = new Gtk2::Gdk::PixbufLoader; |
181 | my $pb = new Gtk2::Gdk::PixbufLoader; |
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156 | $self->{height} = $pb->get_height; |
189 | $self->{height} = $pb->get_height; |
157 | |
190 | |
158 | $data = $pb->get_pixels; |
191 | $data = $pb->get_pixels; |
159 | } |
192 | } |
160 | |
193 | |
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194 | my ($tw, $th) = @$self{qw(width height)}; |
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195 | |
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196 | unless ($NPOT) { |
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197 | $tw = topot $tw; |
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198 | $th = topot $th; |
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199 | |
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200 | if (defined $data) { |
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201 | $data = pack "(a$tw)*", (unpack "(a$self->{width})*", $data); |
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202 | $data .= ("\x00" x $tw) x ($th - $self->{height}); |
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203 | } |
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204 | } |
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205 | |
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206 | $self->{u} = $self->{width} / $tw; |
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207 | $self->{v} = $self->{height} / $th; |
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208 | |
161 | ($self->{name}) = @{glGenTextures 1}; |
209 | $self->{name} ||= (glGenTextures 1)->[0]; |
162 | |
210 | |
163 | glBindTexture GL_TEXTURE_2D, $self->{name}; |
211 | glBindTexture GL_TEXTURE_2D, $self->{name}; |
164 | |
212 | |
165 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
213 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST; |
166 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;#_MIPMAP_LINEAR; |
214 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;#_MIPMAP_LINEAR; |
167 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; |
215 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; |
168 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; |
216 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; |
169 | |
217 | |
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218 | glGetError; |
170 | if (defined $data) { |
219 | if (defined $data) { |
171 | glTexImage2D GL_TEXTURE_2D, 0, |
220 | glTexImage2D GL_TEXTURE_2D, 0, |
172 | GL_RGBA8, |
221 | $self->{internalformat}, |
173 | $self->{width}, $self->{height}, |
222 | $tw, $th, # need to pad texture first |
174 | 0, |
223 | 0, |
175 | GL_RGBA, |
224 | $self->{format}, |
176 | GL_UNSIGNED_BYTE, |
225 | GL_UNSIGNED_BYTE, |
177 | $data; |
226 | $data; |
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227 | glGetError and die; |
178 | } else { |
228 | } else { |
179 | glCopyTexImage2D GL_TEXTURE_2D, 0, |
229 | glCopyTexImage2D GL_TEXTURE_2D, 0, |
180 | GL_RGBA8, |
230 | $self->{internalformat}, |
181 | 0, 0, |
231 | 0, 0, |
182 | $self->{width}, $self->{height}, |
232 | $tw, $th, |
183 | 0; |
233 | 0; |
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234 | glPopmatrix; |
184 | } |
235 | } |
185 | } |
236 | } |
186 | |
237 | |
187 | sub DESTROY { |
238 | sub DESTROY { |
188 | my ($self) = @_; |
239 | my ($self) = @_; |
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190 | return unless exists $self->{name}; |
241 | return unless exists $self->{name}; |
191 | |
242 | |
192 | glDeleteTextures delete $self->{name}; |
243 | glDeleteTextures delete $self->{name}; |
193 | } |
244 | } |
194 | |
245 | |
195 | push @::GLINIT, sub { |
246 | sub restore_state{ |
196 | $_->upload |
247 | $_->upload |
197 | for grep $_, @textures; |
248 | for grep $_, @textures; |
198 | }; |
249 | }; |
199 | |
250 | |
200 | 1; |
251 | 1; |