1 | =head1 NAME |
1 | =head1 NAME |
2 | |
2 | |
3 | Crossfire::Client - undocumented utility garbage for our crossfire client |
3 | CFClient - 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 | |
15 | package Crossfire::Client; |
15 | package CFClient; |
16 | |
16 | |
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 "CFClient", $VERSION; |
22 | } |
22 | } |
|
|
23 | |
|
|
24 | use SDL::OpenGL; |
|
|
25 | |
|
|
26 | our %GL_EXT; |
|
|
27 | our $GL_VERSION; |
|
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28 | |
|
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29 | our $GL_NPOT; |
|
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30 | |
|
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31 | sub gl_init { |
|
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32 | $GL_VERSION = gl_version * 1; |
|
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33 | %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
|
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34 | |
|
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35 | $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; |
|
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36 | |
|
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37 | glClearColor 0.45, 0.45, 0.45, 1; |
|
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38 | |
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39 | glEnable GL_TEXTURE_2D; |
|
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40 | glEnable GL_COLOR_MATERIAL; |
|
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41 | glShadeModel GL_FLAT; |
|
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42 | glDisable GL_DEPTH_TEST; |
|
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43 | glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA; |
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44 | |
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45 | glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST; |
|
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46 | |
|
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47 | CFClient::Texture::restore_state (); |
|
|
48 | } |
|
|
49 | |
|
|
50 | sub find_rcfile($) { |
|
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51 | my $path; |
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52 | |
|
|
53 | for (@INC) { |
|
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54 | $path = "$_/CFClient/resources/$_[0]"; |
|
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55 | return $path if -r $path; |
|
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56 | } |
|
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57 | |
|
|
58 | die "FATAL: can't find required file $_[0]\n"; |
|
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59 | } |
|
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60 | |
|
|
61 | sub read_cfg { |
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62 | my ($file) = @_; |
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63 | |
|
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64 | open CFG, $file |
|
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65 | or return; |
|
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66 | |
|
|
67 | my $CFG; |
|
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68 | |
|
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69 | local $/; |
|
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70 | $CFG = eval <CFG>; |
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71 | |
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72 | $::CFG = $CFG; |
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73 | |
|
|
74 | close CFG; |
|
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75 | } |
|
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76 | |
|
|
77 | sub write_cfg { |
|
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78 | my ($file) = @_; |
|
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79 | |
|
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80 | open CFG, ">$file" |
|
|
81 | or return; |
|
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82 | |
|
|
83 | { |
|
|
84 | require Data::Dumper; |
|
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85 | local $Data::Dumper::Purity = 1; |
|
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86 | $::CFG->{VERSION} = $::VERSION; |
|
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87 | print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]); |
|
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88 | } |
|
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89 | |
|
|
90 | close CFG; |
|
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91 | } |
|
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92 | |
|
|
93 | package CFClient::Texture; |
|
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94 | |
|
|
95 | use strict; |
|
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96 | |
|
|
97 | use Scalar::Util; |
|
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98 | |
|
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99 | use SDL::OpenGL; |
|
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100 | |
|
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101 | my @textures; |
|
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102 | |
|
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103 | sub new { |
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104 | my ($class, %data) = @_; |
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105 | |
|
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106 | my $self = bless { |
|
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107 | internalformat => GL_RGBA, |
|
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108 | format => GL_RGBA, |
|
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109 | %data, |
|
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110 | }, $class; |
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111 | |
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112 | push @textures, $self; |
|
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113 | Scalar::Util::weaken $textures[-1]; |
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114 | |
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115 | $self->upload; |
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116 | |
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117 | $self |
|
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118 | } |
|
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119 | |
|
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120 | sub new_from_image { |
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121 | my ($class, $image) = @_; |
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122 | |
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123 | $class->new (image => $image) |
|
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124 | } |
|
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125 | |
|
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126 | sub new_from_file { |
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127 | my ($class, $path) = @_; |
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128 | |
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129 | open my $fh, "<:raw", $path |
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130 | or die "$path: $!"; |
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131 | |
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132 | local $/; |
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133 | $class->new_from_image (<$fh>) |
|
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134 | } |
|
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135 | |
|
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136 | #sub new_from_surface { |
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137 | # my ($class, $surface) = @_; |
|
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138 | # |
|
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139 | # $surface->rgba; |
|
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140 | # |
|
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141 | # $class->new ( |
|
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142 | # data => $surface->pixels, |
|
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143 | # w => $surface->width, |
|
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144 | # h => $surface->height, |
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145 | # ) |
|
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146 | #} |
|
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147 | |
|
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148 | sub new_from_layout { |
|
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149 | my ($class, $layout) = @_; |
|
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150 | |
|
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151 | my ($w, $h, $data) = $layout->render; |
|
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152 | |
|
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153 | $class->new ( |
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154 | w => $w, |
|
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155 | h => $h, |
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156 | data => $data, |
|
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157 | internalformat => GL_ALPHA4, |
|
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158 | format => GL_ALPHA, |
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159 | ) |
|
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160 | } |
|
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161 | |
|
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162 | sub new_from_opengl { |
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163 | my ($class, $w, $h, $cb) = @_; |
|
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164 | |
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165 | $class->new (w => $w, h => $h, render_cb => $cb) |
|
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166 | } |
|
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167 | |
|
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168 | sub topot { |
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169 | (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0] |
|
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170 | } |
|
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171 | |
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172 | sub upload { |
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173 | my ($self) = @_; |
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174 | |
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175 | return unless $GL_VERSION; |
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176 | |
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177 | my $data; |
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178 | |
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179 | if (exists $self->{data}) { |
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180 | $data = $self->{data}; |
|
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181 | |
|
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182 | } elsif (exists $self->{render_cb}) { |
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183 | glViewport 0, 0, $self->{w}, $self->{h}; |
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184 | glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000; |
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185 | glMatrixMode GL_PROJECTION; |
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186 | glLoadIdentity; |
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187 | glMatrixMode GL_MODELVIEW; |
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188 | glLoadIdentity; |
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189 | glClear GL_COLOR_BUFFER_BIT; |
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190 | $self->{render_cb}->($self, $self->{w}, $self->{h}); |
|
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191 | |
|
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192 | } else { |
|
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193 | my $pb = new Gtk2::Gdk::PixbufLoader; |
|
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194 | $pb->write ($self->{image}); |
|
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195 | $pb->close; |
|
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196 | |
|
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197 | $pb = $pb->get_pixbuf; |
|
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198 | $pb = $pb->add_alpha (0, 0, 0, 0); |
|
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199 | |
|
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200 | $self->{w} = $pb->get_width; |
|
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201 | $self->{h} = $pb->get_height; |
|
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202 | |
|
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203 | $data = $pb->get_pixels; |
|
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204 | } |
|
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205 | |
|
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206 | my ($tw, $th) = @$self{qw(w h)}; |
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207 | |
|
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208 | unless ($tw && $th) { |
|
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209 | $tw = $th = 1; |
|
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210 | $data = "\x00" x 64; |
|
|
211 | } |
|
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212 | |
|
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213 | unless ($GL_NPOT) { |
|
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214 | # TODO: does not work for zero-sized textures |
|
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215 | $tw = topot $tw; |
|
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216 | $th = topot $th; |
|
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217 | |
|
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218 | if ($tw != $self->{w} || $th != $self->{h} && defined $data) { |
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219 | my $bpp = (length $data) / ($self->{w} * $self->{h}); |
|
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220 | $data = pack "(a" . ($tw * $bpp) . ")*", |
|
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221 | unpack "(a" . ($self->{w} * $bpp) . ")*", $data; |
|
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222 | $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h}); |
|
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223 | } |
|
|
224 | } |
|
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225 | |
|
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226 | $self->{s} = $self->{w} / $tw; |
|
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227 | $self->{t} = $self->{h} / $th; |
|
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228 | |
|
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229 | $self->{name} ||= (glGenTextures 1)->[0]; |
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230 | |
|
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231 | glBindTexture GL_TEXTURE_2D, $self->{name}; |
|
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232 | |
|
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233 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR; |
|
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234 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR; |
|
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235 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; |
|
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236 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; |
|
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237 | |
|
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238 | if (defined $data) { |
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239 | glTexImage2D GL_TEXTURE_2D, 0, |
|
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240 | $self->{internalformat}, |
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241 | $tw, $th, # need to pad texture first |
|
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242 | 0, |
|
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243 | $self->{format}, |
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244 | GL_UNSIGNED_BYTE, |
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245 | $data; |
|
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246 | glGetError and die; |
|
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247 | } else { |
|
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248 | glCopyTexImage2D GL_TEXTURE_2D, 0, |
|
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249 | $self->{internalformat}, |
|
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250 | 0, 0, |
|
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251 | $tw, $th, |
|
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252 | 0; |
|
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253 | glGetError and die; |
|
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254 | } |
|
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255 | } |
|
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256 | |
|
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257 | sub DESTROY { |
|
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258 | my ($self) = @_; |
|
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259 | |
|
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260 | return unless exists $self->{name}; |
|
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261 | |
|
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262 | glDeleteTextures delete $self->{name}; |
|
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263 | } |
|
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264 | |
|
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265 | sub restore_state{ |
|
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266 | $_->upload |
|
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267 | for grep $_, @textures; |
|
|
268 | }; |
23 | |
269 | |
24 | 1; |
270 | 1; |
25 | |
271 | |
26 | =back |
272 | =back |
27 | |
273 | |