Project::OSiRiON - Git repositories
Project::OSiRiON
News . About . Screenshots . Downloads . Forum . Wiki . Tracker . Git
summaryrefslogtreecommitdiff
blob: 0dfe8ef0d9a370bb4d51181bb488ecc1039a3cd1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/*
   client/video.cc
   This file is part of the Osirion project and is distributed under 
   the terms and conditions of the GNU General Public License version 2 
*/

#include <fstream>
#include <sstream>

#include "client/video.h"
#include "client/view.h"
#include "render/camera.h"
#include "render/render.h"
#include "render/tga.h"
#include "core/core.h"
#include "filesystem/filesystem.h"
#include "sys/sys.h"

#include <SDL/SDL.h>

using namespace render;

namespace client {

namespace video {

int width =  0;
int height = 0;

int width_prev = 0;
int height_prev = 0;

const int width_default = 1024;
const int height_default = 768;

//--- cvars -------------------------------------------------------

core::Cvar *r_width;
core::Cvar *r_height;
core::Cvar *r_fullscreen;

void reset()
{
	// recalculate the video aspect
	render::Camera::set_aspect((float) width / (float) height);

	// settup our viewport.
	gl::viewport(0, 0, width, height );

	// reset the view
	view::reset();
}

bool init() 
{
	con_print << "^BInitializing video..." << std::endl;

	// initialize cvars
	r_width = core::Cvar::get("r_width", width_default, core::Cvar::Archive);
	r_height = core::Cvar::get("r_height", height_default, core::Cvar::Archive);
	r_fullscreen = core::Cvar::get("r_fullscreen", "0", core::Cvar::Archive);

	int bpp = 0;
	int flags = 0;

	if( SDL_InitSubSystem(SDL_INIT_VIDEO) < 0 ) {
		con_error << "SDL_InitSubSystem() failed: " << SDL_GetError() << std::endl;
		return false;
	}

	const SDL_VideoInfo* sdl_videoinfo = SDL_GetVideoInfo();
	if( !sdl_videoinfo) {
		con_error << "SDL_GetVideoInfo() failed: " << SDL_GetError() << std::endl;
		return false;
	}

	width_prev = width;
	height_prev = height;
	width = (int) r_width->value();
	height = (int) r_height->value();

	bpp = sdl_videoinfo->vfmt->BitsPerPixel;

	SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
	SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
	SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
	SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 );
	SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 2);
	SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );

	if (r_fullscreen->value()) flags = SDL_OPENGL | SDL_FULLSCREEN;
	else flags = SDL_OPENGL;

	if(!SDL_SetVideoMode(width, height, bpp, flags )) {
		con_warn << "Failed to set video mode " << width << "x" << height << "x" << bpp << "bpp" << std::endl;
		if (width_prev && height_prev) {
			width = width_prev;
			height = height_prev;
			if(!SDL_SetVideoMode(width, height, bpp, flags )) {
				con_error << "Failed to restore video mode " << width << "x" << height << "x" << bpp << "bpp" << std::endl;
				return false;
			}
		} else
			return false;
	}
	con_print << "  video mode " << width << "x" << height << "x" << bpp << "bpp" << std::endl;
	
	render::Camera::set_aspect((float) width / (float) height);
	(*r_width) = width;
	(*r_height) = height;

	std::string version(core::name());
	version += ' ';
	version.append(core::version());
	SDL_WM_SetCaption(version.c_str(), 0);

	render::init();

	video::reset();	
	
	view::init();

	return true;
}

void frame(float seconds)
{
	// render a client frame
	view::frame(seconds);
	
	SDL_GL_SwapBuffers();
}

void shutdown()
{
	con_print << "^BShutting down video..." << std::endl;
	
	view::shutdown();

	render::shutdown();

	width = 0;
	height = 0;

	SDL_QuitSubSystem(SDL_INIT_VIDEO);
}

void screenshot()
{
        int number = 0;
        bool available = false;
	std::string shortname;
	std::string filename;

	// make sure the screenshots folder exists
	filename.assign(filesystem::writedir);
	filename.append("screenshots/");
	sys::mkdir(filename);

        // find the first available screenshotxxx.tga
        do {
		std::stringstream nstr;
		nstr << number;
		shortname.assign(nstr.str());

		while(shortname.size() < 3)
			shortname.insert(0, 1, '0');
		
                shortname.insert(0, "screenshots/osirion");
		shortname.append(".tga");

		filename.assign(filesystem::writedir);
		filename.append(shortname);

                FILE *handle = fopen(filename.c_str(), "r");
                if (handle) {
                        fclose(handle);
                        number++;
                } else {
                        available = true;
                }
        } while (!available);

	render::Image image((unsigned int)video::width, (unsigned int)video::height, 3);

	glReadPixels(0, 0, (GLsizei) video::width, (GLsizei) video::height, 
		GL_RGB, GL_UNSIGNED_BYTE, (void *) image.data());

	render::TGA::save(filename.c_str(), image);
}


} // namespace video

} // namespace client