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1 | #!/usr/bin/env perl |
2 | # |
3 | # App.pm |
4 | # |
5 | # Copyright (C) 2005 David J. Goehrig <dgoehrig@cpan.org> |
6 | # |
7 | # ------------------------------------------------------------------------------ |
8 | # |
9 | # This library is free software; you can redistribute it and/or |
10 | # modify it under the terms of the GNU Lesser General Public |
11 | # License as published by the Free Software Foundation; either |
12 | # version 2.1 of the License, or (at your option) any later version. |
13 | # |
14 | # This library is distributed in the hope that it will be useful, |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | # Lesser General Public License for more details. |
18 | # |
19 | # You should have received a copy of the GNU Lesser General Public |
20 | # License along with this library; if not, write to the Free Software |
21 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
22 | # |
23 | # ------------------------------------------------------------------------------ |
24 | # |
25 | # Please feel free to send questions, suggestions or improvements to: |
26 | # |
27 | # David J. Goehrig |
28 | # dgoehrig@cpan.org |
29 | # |
30 | |
31 | package SDL::App; |
32 | |
33 | use strict; |
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34 | use warnings; |
35 | use Carp; |
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36 | use SDL; |
37 | use SDL::Event; |
38 | use SDL::Surface; |
39 | use SDL::Rect; |
40 | |
41 | our @ISA = qw(SDL::Surface); |
bfd90409 |
42 | sub DESTROY { |
43 | |
44 | } |
45 | |
46 | sub new { |
47 | my $proto = shift; |
48 | my $class = ref($proto) || $proto; |
49 | my %options = @_; |
50 | |
51 | verify (%options, qw/ -opengl -gl -fullscreen -full -resizeable |
52 | -title -t -icon_title -it -icon -i |
53 | -width -w -height -h -depth -d -flags -f |
54 | -red_size -r -blue_size -b -green_size -g -alpha_size -a |
55 | -red_accum_size -ras -blue_accum_size -bas |
56 | -green_accum_sizee -gas -alpha_accum_size -aas |
57 | -double_buffer -db -buffer_size -bs -stencil_size -st |
c383be07 |
58 | -asyncblit -init |
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59 | / ) if ($SDL::DEBUG); |
60 | |
c383be07 |
61 | # SDL_INIT_VIDEO() is 0, so check defined instead of truth. |
62 | my $init = defined $options{-init} ? $options{-init} : |
63 | SDL_INIT_EVERYTHING(); |
64 | |
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65 | SDL::init($init); |
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66 | |
67 | #SDL::Init(SDL::SDL_INIT_EVERYTHING()); |
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68 | |
69 | my $t = $options{-title} || $options{-t} || $0; |
70 | my $it = $options{-icon_title} || $options{-it} || $t; |
71 | my $ic = $options{-icon} || $options{-i} || ""; |
72 | my $w = $options{-width} || $options{-w} || 800; |
73 | my $h = $options{-height} || $options{-h} || 600; |
74 | my $d = $options{-depth} || $options{-d} || 16; |
75 | my $f = $options{-flags} || $options{-f} || SDL::SDL_ANYFORMAT(); |
76 | my $r = $options{-red_size} || $options{-r} || 5; |
77 | my $g = $options{-green_size} || $options{-g} || 5; |
78 | my $b = $options{-blue_size} || $options{-b} || 5; |
79 | my $a = $options{-alpha_size} || $options{-a} || 0; |
80 | my $ras = $options{-red_accum_size} || $options{-ras} || 0; |
81 | my $gas = $options{-green_accum_size} || $options{-gas} || 0; |
82 | my $bas = $options{-blue_accum_size} || $options{-bas} || 0; |
83 | my $aas = $options{-alpha_accum_size} || $options{-aas} || 0; |
84 | my $db = $options{-double_buffer} || $options{-db} || 0; |
85 | |
86 | my $bs = $options{-buffer_size} || $options{-bs} || 0; |
87 | my $st = $options{-stencil_size} || $options{-st} || 0; |
88 | my $async = $options{-asyncblit} || 0; |
89 | |
90 | $f |= SDL::SDL_OPENGL() if ($options{-gl} || $options{-opengl}); |
91 | $f |= SDL::SDL_FULLSCREEN() if ($options{-fullscreen} || $options{-full}); |
92 | $f |= SDL::SDL_RESIZABLE() if ($options{-resizeable}); |
93 | $f |= SDL::SDL_DOUBLEBUF() if ($db); |
94 | $f |= SDL::SDL_ASYNCBLIT() if ($async); |
95 | |
96 | if ($f & SDL::SDL_OPENGL()) { |
97 | $SDL::App::USING_OPENGL = 1; |
98 | SDL::GLSetAttribute(SDL::SDL_GL_RED_SIZE(),$r) if ($r); |
99 | SDL::GLSetAttribute(SDL::SDL_GL_GREEN_SIZE(),$g) if ($g); |
100 | SDL::GLSetAttribute(SDL::SDL_GL_BLUE_SIZE(),$b) if ($b); |
101 | SDL::GLSetAttribute(SDL::SDL_GL_ALPHA_SIZE(),$a) if ($a); |
102 | |
103 | SDL::GLSetAttribute(SDL::SDL_GL_RED_ACCUM_SIZE(),$ras) if ($ras); |
104 | SDL::GLSetAttribute(SDL::SDL_GL_GREEN_ACCUM_SIZE(),$gas) if ($gas); |
105 | SDL::GLSetAttribute(SDL::SDL_GL_BLUE_ACCUM_SIZE(),$bas) if ($bas); |
106 | SDL::GLSetAttribute(SDL::SDL_GL_ALPHA_ACCUM_SIZE(),$aas) if ($aas); |
107 | |
108 | SDL::GLSetAttribute(SDL::SDL_GL_DOUBLEBUFFER(),$db) if ($db); |
109 | SDL::GLSetAttribute(SDL::SDL_GL_BUFFER_SIZE(),$bs) if ($bs); |
110 | SDL::GLSetAttribute(SDL::SDL_GL_DEPTH_SIZE(),$d); |
111 | } else { |
112 | $SDL::App::USING_OPENGL = 0; |
113 | } |
114 | |
9494562d |
115 | my $self = SDL::SetVideoMode($w,$h,$d,$f) |
c5bf64e5 |
116 | or croak SDL::get_error(); |
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117 | |
118 | if ($ic and -e $ic) { |
119 | my $icon = new SDL::Surface -name => $ic; |
120 | SDL::WMSetIcon($$icon); |
121 | } |
122 | |
123 | SDL::WMSetCaption($t,$it); |
124 | |
125 | bless $self,$class; |
126 | return $self; |
127 | } |
128 | |
129 | sub resize ($$$) { |
130 | my ($self,$w,$h) = @_; |
131 | my $flags = SDL::SurfaceFlags($$self); |
132 | if ( $flags & SDL::SDL_RESIZABLE()) { |
133 | my $bpp = SDL::SurfaceBitsPerPixel($$self); |
134 | $self = \SDL::SetVideoMode($w,$h,$bpp,$flags); |
135 | } |
136 | } |
137 | |
138 | sub title ($;$) { |
139 | my $self = shift; |
140 | my ($title,$icon); |
141 | if (@_) { |
142 | $title = shift; |
143 | $icon = shift || $title; |
144 | SDL::WMSetCaption($title,$icon); |
145 | } |
146 | return SDL::WMGetCaption(); |
147 | } |
148 | |
149 | sub delay ($$) { |
150 | my $self = shift; |
151 | my $delay = shift; |
152 | SDL::Delay($delay); |
153 | } |
154 | |
155 | sub ticks { |
156 | return SDL::GetTicks(); |
157 | } |
158 | |
159 | sub error { |
c5bf64e5 |
160 | return SDL::get_error(); |
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161 | } |
162 | |
163 | sub warp ($$$) { |
164 | my $self = shift; |
165 | SDL::WarpMouse(@_); |
166 | } |
167 | |
168 | sub fullscreen ($) { |
169 | my $self = shift; |
170 | SDL::WMToggleFullScreen($$self); |
171 | } |
172 | |
173 | sub iconify ($) { |
174 | my $self = shift; |
175 | SDL::WMIconifyWindow(); |
176 | } |
177 | |
178 | sub grab_input ($$) { |
179 | my ($self,$mode) = @_; |
180 | SDL::WMGrabInput($mode); |
181 | } |
182 | |
183 | sub loop ($$) { |
184 | my ($self,$href) = @_; |
185 | my $event = new SDL::Event; |
186 | while ( $event->wait() ) { |
187 | if ( ref($$href{$event->type()}) eq "CODE" ) { |
d73cbe8a |
188 | &{$$href{$event->type()}}($event); |
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189 | } |
190 | } |
191 | } |
192 | |
193 | sub sync ($) { |
194 | my $self = shift; |
195 | if ($SDL::App::USING_OPENGL) { |
196 | SDL::GLSwapBuffers() |
197 | } else { |
6ba0ad47 |
198 | SDL::Flip($self); |
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199 | } |
200 | } |
201 | |
202 | sub attribute ($$;$) { |
203 | my ($self,$mode,$value) = @_; |
204 | return undef unless ($SDL::App::USING_OPENGL); |
205 | if (defined $value) { |
206 | SDL::GLSetAttribute($mode,$value); |
207 | } |
208 | my $returns = SDL::GLGetAttribute($mode); |
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209 | croak "SDL::App::attribute failed to get GL attribute" if ($$returns[0] < 0); |
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210 | $$returns[1]; |
211 | } |
212 | |
213 | 1; |
214 | |