void PrintGLInfo() {
std::string fname = GetPiUserDir() + "opengl.txt";
FILE *f = fopen(fname.c_str(), "w");
if (!f) return;
std::ostringstream ss;
ss << "OpenGL version " << glGetString(GL_VERSION);
ss << ", running on " << glGetString(GL_VENDOR);
ss << " " << glGetString(GL_RENDERER) << std::endl;
ss << "Available extensions:" << std::endl;
GLint numext = 0;
glGetIntegerv(GL_NUM_EXTENSIONS, &numext);
if (glewIsSupported("GL_VERSION_3_0")) {
for (int i = 0; i < numext; ++i) {
ss << " " << glGetStringi(GL_EXTENSIONS, i) << std::endl;
}
}
else {
ss << " ";
std::istringstream ext(reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS)));
std::copy(
std::istream_iterator<std::string>(ext),
std::istream_iterator<std::string>(),
std::ostream_iterator<std::string>(ss, "\n "));
}
fprintf(f, "%s", ss.str().c_str());
fclose(f);
printf("OpenGL system information saved to %s\n", fname.c_str());
}
void Pi::Init()
{
config.Load(GetPiUserDir() + "config.ini");
Pi::detail.planets = config.Int("DetailPlanets");
Pi::detail.cities = config.Int("DetailCities");
int width = config.Int("ScrWidth");
int height = config.Int("ScrHeight");
const SDL_VideoInfo *info = NULL;
Uint32 sdlInitFlags = SDL_INIT_VIDEO | SDL_INIT_JOYSTICK;
#if defined _WIN32 && defined _DEBUG
sdlInitFlags |= SDL_INIT_NOPARACHUTE;
#endif
if (SDL_Init(sdlInitFlags) < 0) {
fprintf(stderr, "Video initialization failed: %s\n", SDL_GetError());
exit(-1);
}
InitJoysticks();
// no mode set, find an ok one
if ((width <= 0) || (height <= 0)) {
SDL_Rect **modes = SDL_ListModes(NULL, SDL_HWSURFACE | SDL_FULLSCREEN);
if (modes == 0) {
fprintf(stderr, "It seems no video modes are available...");
}
if (modes == (SDL_Rect **)-1) {
// hm. all modes available. odd. try 800x600
width = 800; height = 600;
} else {
width = modes[0]->w;
height = modes[0]->h;
}
}
info = SDL_GetVideoInfo();
printf("SDL_GetVideoInfo says %d bpp\n", info->vfmt->BitsPerPixel);
switch (info->vfmt->BitsPerPixel) {
case 16:
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
break;
case 24:
case 32:
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
break;
default:
fprintf(stderr, "Invalid pixel depth: %d bpp\n", info->vfmt->BitsPerPixel);
}
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
Uint32 flags = SDL_OPENGL;
if (config.Int("StartFullscreen")) flags |= SDL_FULLSCREEN;
if ((Pi::scrSurface = SDL_SetVideoMode(width, height, info->vfmt->BitsPerPixel, flags)) == 0) {
// fall back on 16-bit depth buffer...
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
fprintf(stderr, "Failed to set video mode. (%s). Re-trying with 16-bit depth buffer.\n", SDL_GetError());
if ((Pi::scrSurface = SDL_SetVideoMode(width, height, info->vfmt->BitsPerPixel, flags)) == 0) {
fprintf(stderr, "Failed to set video mode: %s", SDL_GetError());
}
}
glewInit();
SDL_WM_SetCaption("Pioneer","Pioneer");
Pi::scrWidth = width;
Pi::scrHeight = height;
Pi::scrAspect = width / (float)height;
Pi::rng.seed(time(NULL));
InitOpenGL();
GLFTInit();
// Gui::Init shouldn't initialise any VBOs, since we haven't tested
// that the capability exists. (Gui does not use VBOs so far)
Gui::Init(scrWidth, scrHeight, 800, 600);
if (!GLEW_ARB_vertex_buffer_object) {
Error("OpenGL extension ARB_vertex_buffer_object not supported. Pioneer can not run on your graphics card.");
}
Render::Init(width, height);
draw_progress(0.1f);
Galaxy::Init();
draw_progress(0.2f);
NameGenerator::Init();
if (config.Int("DisableShaders")) Render::ToggleShaders();
if (config.Int("EnableHDR")) Render::ToggleHDR();
draw_progress(0.3f);
LmrModelCompilerInit();
//unsigned int control_word;
//_clearfp();
//_controlfp_s(&control_word, _EM_INEXACT | _EM_UNDERFLOW, _MCW_EM);
//double fpexcept = Pi::timeAccelRates[1] / Pi::timeAccelRates[0];
draw_progress(0.4f);
ShipType::Init();
draw_progress(0.5f);
GeoSphere::Init();
draw_progress(0.6f);
Space::Init();
draw_progress(0.7f);
Polit::Init();
draw_progress(0.8f);
SpaceStation::Init();
draw_progress(0.9f);
if (!config.Int("DisableSound")) {
Sound::Init();
Sound::SetGlobalVolume(config.Float("SfxVolume"));
Sound::Pause(0);
}
draw_progress(1.0f);
// test code to produce list of ship stats
FILE *pStatFile = fopen("shipstat.csv","wt");
if (pStatFile)
{
fprintf(pStatFile, "name,lmrname,hullmass,capacity,xsize,ysize,zsize,facc,racc,uacc,aacc\n");
for (std::map<std::string, ShipType>::iterator i = ShipType::types.begin();
i != ShipType::types.end(); ++i)
{
ShipType *shipdef = &(i->second);
LmrModel *lmrModel = LmrLookupModelByName(shipdef->lmrModelName.c_str());
LmrObjParams lmrParams; memset(&lmrParams, 0, sizeof(LmrObjParams));
LmrCollMesh *collMesh = new LmrCollMesh(lmrModel, &lmrParams);
Aabb aabb = collMesh->GetAabb();
double hullmass = shipdef->hullMass;
double capacity = shipdef->capacity;
double xsize = aabb.max.x-aabb.min.x;
double ysize = aabb.max.y-aabb.min.y;
double zsize = aabb.max.z-aabb.min.z;
double brad = aabb.GetBoundingRadius();
double simass = (hullmass + capacity) * 1000.0;
double angInertia = (2/5.0)*simass*brad*brad;
double acc1 = shipdef->linThrust[ShipType::THRUSTER_FORWARD] / (9.81*simass);
double acc2 = shipdef->linThrust[ShipType::THRUSTER_REVERSE] / (9.81*simass);
double acc3 = shipdef->linThrust[ShipType::THRUSTER_UP] / (9.81*simass);
double acca = shipdef->angThrust/angInertia;
fprintf(pStatFile, "%s,%s,%.1f,%.1f,%.1f,%.1f,%.1f,%.1f,%.1f,%.1f,%f\n",
shipdef->name.c_str(), shipdef->lmrModelName.c_str(), hullmass, capacity,
xsize, ysize, zsize, acc1, acc2, acc3, acca);
}
fclose(pStatFile);
}
gameMenuView = new GameMenuView();
config.Save();
}
/*
* Must create the folders if they do not exist already.
*/
std::string GetFullSavefileDirPath()
{
return GetPiUserDir("savefiles");
}
void Screendump(const char* destFile, const int width, const int height)
{
std::string fname = join_path(GetPiUserDir("screenshots").c_str(), destFile, 0);
// pad rows to 4 bytes, which is the default row alignment for OpenGL
const int stride = (3*width + 3) & ~3;
std::vector<png_byte> pixel_data(stride * height);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glPixelStorei(GL_PACK_ALIGNMENT, 4); // never trust defaults
glReadBuffer(GL_FRONT);
glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, &pixel_data[0]);
glFinish();
png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 0, 0, 0);
if (!png_ptr) {
fprintf(stderr, "Couldn't create png_write_struct\n");
return;
}
png_infop info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_write_struct(&png_ptr, 0);
fprintf(stderr, "Couldn't create png_info_struct\n");
return;
}
//http://www.libpng.org/pub/png/libpng-1.2.5-manual.html#section-3.1
if (setjmp(png_jmpbuf(png_ptr))) {
png_destroy_write_struct(&png_ptr, &info_ptr);
fprintf(stderr, "Couldn't set png jump buffer\n");
return;
}
FILE *out = fopen(fname.c_str(), "wb");
if (!out) {
png_destroy_write_struct(&png_ptr, &info_ptr);
fprintf(stderr, "Couldn't open %s for writing\n", fname.c_str());
return;
}
png_init_io(png_ptr, out);
png_set_filter(png_ptr, 0, PNG_FILTER_NONE);
png_set_IHDR(png_ptr, info_ptr, width, height, 8, PNG_COLOR_TYPE_RGB,
PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT);
png_bytepp rows = new png_bytep[height];
for (int i = 0; i < height; ++i) {
rows[i] = reinterpret_cast<png_bytep>(&pixel_data[(height-i-1) * stride]);
}
png_set_rows(png_ptr, info_ptr, rows);
png_write_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, 0);
png_destroy_write_struct(&png_ptr, &info_ptr);
delete[] rows;
fclose(out);
printf("Screenshot %s saved\n", fname.c_str());
}