static void handle_tick(game_context_s *context, void *data, const nothing_s *n)
{
input_handler_s *input_handler = data;
// process the callback-based events
target_context = context;
glfwPollEvents();
target_context = NULL;
// process joysticks
for(int i = 0; i < MAX_JOYSTICKS; i++)
{
if(glfwGetJoystickParam(i, GLFW_PRESENT) == GL_TRUE)
{
joystick_event_s *joystick = &input_handler->joysticks[i];
int axis_count = glfwGetJoystickParam(i, GLFW_AXES);
array_set_length(joystick->axes, axis_count);
glfwGetJoystickPos(i, array_get_ptr(joystick->axes), axis_count);
int button_count = glfwGetJoystickParam(i, GLFW_BUTTONS);
array_set_length(joystick->buttons, button_count);
glfwGetJoystickButtons(i, array_get_ptr(joystick->buttons),
button_count);
broadcast_input_handler_joystick_event(context, *joystick);
}
}
}
/** Updated joystick info
*/
static void orxFASTCALL orxJoystick_GLFW_UpdateInfo(orxU32 _u32ID)
{
/* Checks */
orxASSERT(_u32ID <= GLFW_JOYSTICK_LAST);
/* Needs update? */
if(sstJoystick.astJoyInfoList[_u32ID].fTimeStamp != sstJoystick.pstClockInfo->fTime)
{
/* Is connected? */
if(glfwGetJoystickParam((int)_u32ID, GLFW_PRESENT) != GL_FALSE)
{
/* Gets axes values */
glfwGetJoystickPos((int)_u32ID, sstJoystick.astJoyInfoList[_u32ID].afAxisInfoList, orxJOYSTICK_AXIS_SINGLE_NUMBER);
/* Updates connection status */
sstJoystick.astJoyInfoList[_u32ID].bIsConnected = orxTRUE;
/* Gets button values */
glfwGetJoystickButtons((int)_u32ID, sstJoystick.astJoyInfoList[_u32ID].au8ButtonInfoList, orxJOYSTICK_BUTTON_SINGLE_NUMBER);
}
else
{
/* Clears info */
orxMemory_Zero(&sstJoystick.astJoyInfoList[_u32ID], sizeof(orxJOYSTICK_INFO));
}
/* Updates time stamp */
sstJoystick.astJoyInfoList[_u32ID].fTimeStamp = sstJoystick.pstClockInfo->fTime;
}
/* Done! */
return;
}
//Clumbsily abstracts glfw's ability to grab joysticks, I can only test it with an xbox controller so this won't have good support unless some other programmer really wants it.
void NInput::GetJoyStick(unsigned int ID, float* Floats, unsigned int NumAxes)
{
switch (ID)
{
case 1:
{
glfwGetJoystickPos(GLFW_JOYSTICK_1,Floats,NumAxes);
break;
}
case 2:
{
glfwGetJoystickPos(GLFW_JOYSTICK_2,Floats,NumAxes);
break;
}
default:
{
glfwGetJoystickPos(GLFW_JOYSTICK_1,Floats,NumAxes);
}
}
}
//SGenum SG_EXPORT sgmCoreJoystickAxisSetPosition(void* joystick, float* position);
SGenum SG_EXPORT sgmCoreJoystickAxisGetPosition(void* joystick, float* position)
{
if(joystick == NULL)
return SG_OK; // SG_INVALID_VALUE
Joystick* cjoystick = (Joystick*)joystick;
glfwGetJoystickPos(cjoystick->id, cjoystick->axis, cjoystick->numaxis);
position = memcpy(position, cjoystick->axis, cjoystick->numaxis * sizeof(float));
return SG_OK;
}
/*========================================================================
* Retrieve joystick states
*========================================================================*/
static void updateJoysticksState(void)
{
int joy;
for (joy = GLFW_JOYSTICK_1; joy < GLFW_JOYSTICK_LAST + 1; joy++)
{
printf("Updating information for joystick %d\n", joy);
states[joy].present = glfwGetJoystickParam(joy, GLFW_PRESENT);
if (states[joy].present == GL_TRUE)
{
states[joy].num_axes = glfwGetJoystickPos(joy, states[joy].axes, MAX_AXES);
states[joy].num_buttons = glfwGetJoystickButtons(joy, states[joy].buttons, MAX_BUTTONS);
}
}
}
void CApplication::ProcessJoystickInput()
{
if (g_aJoysticks.size() != MAX_JOYSTICKS)
return;
for (size_t i = 0; i < MAX_JOYSTICKS; i++)
{
CJoystick& oJoystick = g_aJoysticks[i];
if (!oJoystick.m_bPresent)
continue;
static tvector<float> aflAxis;
aflAxis.resize(oJoystick.m_aflAxis.size());
glfwGetJoystickPos(i, &aflAxis[0], oJoystick.m_aflAxis.size());
for (size_t j = 0; j < oJoystick.m_aflAxis.size(); j++)
{
if (aflAxis[j] != oJoystick.m_aflAxis[j])
JoystickAxis(i, j, aflAxis[j], aflAxis[j]-oJoystick.m_aflAxis[j]);
}
oJoystick.m_aflAxis = aflAxis;
static tvector<unsigned char> aiButtons;
aiButtons.resize(oJoystick.m_iButtons);
glfwGetJoystickButtons(i, &aiButtons[0], oJoystick.m_iButtons);
for (size_t j = 0; j < oJoystick.m_iButtons; j++)
{
unsigned long long iButtonMask = (1<<j);
if (aiButtons[j] == GLFW_PRESS && !(oJoystick.m_aiButtonStates&iButtonMask))
JoystickButtonPress(i, MapJoystickKey(j));
else if (aiButtons[j] == GLFW_RELEASE && (oJoystick.m_aiButtonStates&iButtonMask))
JoystickButtonRelease(i, MapJoystickKey(j));
if (aiButtons[j] == GLFW_PRESS)
oJoystick.m_aiButtonStates |= iButtonMask;
else
oJoystick.m_aiButtonStates &= ~iButtonMask;
}
}
}
int Canvas::_flush(lua_State *l) {
if (!lua_istable(l, 1))
return luaL_error(l, "canvas expected as first argument");
// clear key events
keys_down.clear();
keys_up.clear();
glfwSwapBuffers();
glfwSleep(0.005);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// if (!_canvas->view.is2d)
glLoadIdentity();
// set the game time
double time = glfwGetTime();
lua_getfield(l, 1, "time");
double old = luaL_checknumber(l, -1);
lua_pop(l, 1);
setnumber("time" , time);
setnumber("dt" , time - old);
int x, y;
double cx, cy; // canvas mouse coordinates
glfwGetMousePos(&x, &y);
Viewport &view = _canvas->view;
if (view.is2d) {
double vwidth = view.right - view.left;
double vheight = view.bottom - view.top;
cx = view.left + (x * vwidth / _canvas->width());
cy = view.top + (y * vheight / _canvas->height());
} else {
cx = (double)x;
cy = (double)y;
}
// update the mouse point
lua_getfield(l, 1, "mouse");
setnumber("x", cx);
setnumber("y", cy);
setbool("left", glfwGetMouseButton(GLFW_MOUSE_BUTTON_LEFT));
setbool("right", glfwGetMouseButton(GLFW_MOUSE_BUTTON_RIGHT));
lua_getfield(l, 1, "input");
float axis[2];
glfwGetJoystickPos(GLFW_JOYSTICK_1, axis, 2);
setnumber("xaxis", axis[0]);
setnumber("yaxis", axis[1]);
setbool("left", glfwGetKey(GLFW_KEY_LEFT));
setbool("right", glfwGetKey(GLFW_KEY_RIGHT));
setbool("up", glfwGetKey(GLFW_KEY_UP));
setbool("down", glfwGetKey(GLFW_KEY_DOWN));
setbool("a", glfwGetKey('Q'));
setbool("b", glfwGetKey('W'));
lua_pushboolean(l, glfwGetWindowParam(GLFW_OPENED) > 0);
return 1;
}
// common run state
void RunState()
{
#if defined(USE_SDL)
// last ticks
unsigned int ticks = SDL_GetTicks();
#elif defined(USE_SFML)
// timer
sf::Clock timer;
// start timer
timer.Reset();
#elif defined(USE_GLFW)
double prevtime = glfwGetTime();
#endif
// input logging
TiXmlDocument inputlog(RECORD_CONFIG.c_str());
TiXmlElement *inputlogroot;
TiXmlElement *inputlognext;
if (playback)
{
if (!inputlog.LoadFile())
DebugPrint("error loading recording file \"%s\": %s\n", RECORD_CONFIG.c_str(), inputlog.ErrorDesc());
inputlogroot = inputlog.RootElement();
inputlognext = inputlogroot->FirstChildElement();
}
else if (record)
{
inputlogroot = inputlog.LinkEndChild(new TiXmlElement("journal"))->ToElement();
inputlognext = NULL;
}
else
{
inputlogroot = NULL;
inputlognext = NULL;
}
#ifdef GET_PERFORMANCE_DETAILS
PerfTimer::Init();
PerfTimer control_timer;
PerfTimer simulate_timer;
PerfTimer collide_timer;
PerfTimer update_timer;
PerfTimer render_timer;
PerfTimer overlay_timer;
PerfTimer display_timer;
PerfTimer total_timer;
total_timer.Stamp();
#endif
#ifdef COLLECT_DEBUG_DRAW
// create a new draw list
GLuint debugdraw = glGenLists(1);
#endif
// wait for user exit
do
{
#ifdef GET_PERFORMANCE_DETAILS
PerfTimer::Next();
control_timer.Clear();
simulate_timer.Clear();
collide_timer.Clear();
update_timer.Clear();
render_timer.Clear();
overlay_timer.Clear();
display_timer.Clear();
total_timer.Clear();
#endif
// INPUT PHASE
#if defined(USE_SDL)
// event handler
SDL_Event event;
// process events
while( SDL_PollEvent( &event ) )
{
/* Give the console first dibs on event processing */
if (OGLCONSOLE_SDLEvent(&event))
continue;
switch (event.type)
{
case SDL_KEYDOWN:
input.OnPress( Input::TYPE_KEYBOARD, event.key.which, event.key.keysym.sym );
switch (event.key.keysym.sym)
{
case SDLK_F4:
if (event.key.keysym.mod & KMOD_ALT)
setgamestate = STATE_QUIT;
break;
case SDLK_RETURN:
if (event.key.keysym.mod & KMOD_ALT)
{
CloseWindow();
SCREEN_FULLSCREEN = !SCREEN_FULLSCREEN;
OpenWindow();
}
break;
case SDLK_ESCAPE:
if (curgamestate == STATE_PLAY)
{
if (escape)
EscapeMenuExit();
else
EscapeMenuEnter();
}
break;
case SDLK_PAUSE:
if (event.key.keysym.mod & KMOD_SHIFT)
{
paused = true;
singlestep = true;
}
else
{
paused = !paused;
}
if (paused)
Pause();
else
Resume();
break;
case SDLK_PRINT:
Screenshot();
break;
}
break;
case SDL_KEYUP:
input.OnRelease( Input::TYPE_KEYBOARD, event.key.which, event.key.keysym.sym );
break;
case SDL_MOUSEMOTION:
input.OnAxis( Input::TYPE_MOUSE_AXIS, event.motion.which, 0, float(event.motion.x * 2 - SCREEN_WIDTH) / float(SCREEN_HEIGHT) );
input.OnAxis( Input::TYPE_MOUSE_AXIS, event.motion.which, 1, float(event.motion.y * 2 - SCREEN_HEIGHT) / float(SCREEN_HEIGHT) );
input.OnAxis( Input::TYPE_MOUSE_AXIS, event.motion.which, 2, event.motion.xrel / 32.0f );
input.OnAxis( Input::TYPE_MOUSE_AXIS, event.motion.which, 3, event.motion.yrel / 32.0f );
break;
case SDL_MOUSEBUTTONDOWN:
input.OnPress( Input::TYPE_MOUSE_BUTTON, event.button.which, event.button.button );
break;
case SDL_MOUSEBUTTONUP:
input.OnRelease( Input::TYPE_MOUSE_BUTTON, event.button.which, event.button.button );
break;
case SDL_JOYAXISMOTION:
input.OnAxis( Input::TYPE_JOYSTICK_AXIS, event.jaxis.which, event.jaxis.axis, event.jaxis.value / 32767.0f );
break;
case SDL_JOYBUTTONDOWN:
input.OnPress( Input::TYPE_JOYSTICK_BUTTON, event.jaxis.which, event.jbutton.button );
break;
case SDL_JOYBUTTONUP:
input.OnRelease( Input::TYPE_JOYSTICK_BUTTON, event.jbutton.which, event.jbutton.button );
break;
case SDL_QUIT:
setgamestate = STATE_QUIT;
break;
}
}
// get loop time in ticks
unsigned int nextticks = SDL_GetTicks();
float delta = (nextticks - ticks) / 1000.0f;
ticks = nextticks;
#elif defined(USE_SFML)
sf::Event event;
while (window.GetEvent(event))
{
/* Give the console first dibs on event processing */
if (OGLCONSOLE_SFMLEvent(&event))
continue;
// Some code for stopping application on close or when escape is pressed...
switch (event.Type)
{
case sf::Event::Resized:
glViewport(0, 0, event.Size.Width, event.Size.Height);
break;
case sf::Event::KeyPressed:
input.OnPress( Input::TYPE_KEYBOARD, 0, event.Key.Code );
switch(event.Key.Code)
{
case sf::Key::F4:
if (event.Key.Alt)
setgamestate = STATE_QUIT;
break;
case sf::Key::Return:
if (event.Key.Alt)
{
CloseWindow();
SCREEN_FULLSCREEN = !SCREEN_FULLSCREEN;
OpenWindow();
}
break;
case sf::Key::Escape:
if (curgamestate == STATE_PLAY)
{
if (escape)
EscapeMenuExit();
else
EscapeMenuEnter();
}
break;
case sf::Key::Pause:
if (event.Key.Shift)
{
paused = true;
singlestep = true;
}
else
{
paused = !paused;
}
if (paused)
Pause();
else
Resume();
break;
}
break;
case sf::Event::KeyReleased:
input.OnRelease( Input::TYPE_KEYBOARD, 0, event.Key.Code );
break;
case sf::Event::MouseMoved:
input.OnAxis( Input::TYPE_MOUSE_AXIS, 0, 0, float(int(event.MouseMove.X) * 2 - SCREEN_WIDTH) / float(SCREEN_HEIGHT) );
input.OnAxis( Input::TYPE_MOUSE_AXIS, 0, 1, float(int(event.MouseMove.Y) * 2 - SCREEN_HEIGHT) / float(SCREEN_HEIGHT) );
break;
case sf::Event::MouseButtonPressed:
input.OnPress( Input::TYPE_MOUSE_BUTTON, 0, event.MouseButton.Button );
break;
case sf::Event::MouseButtonReleased:
input.OnRelease( Input::TYPE_MOUSE_BUTTON, 0, event.MouseButton.Button );
break;
case sf::Event::JoyMoved:
input.OnAxis( Input::TYPE_JOYSTICK_AXIS, event.JoyMove.JoystickId, event.JoyMove.Axis, event.JoyMove.Position / 100.0f );
break;
case sf::Event::JoyButtonPressed:
input.OnPress( Input::TYPE_JOYSTICK_BUTTON, event.JoyButton.JoystickId, event.JoyButton.Button );
break;
case sf::Event::JoyButtonReleased:
input.OnRelease( Input::TYPE_JOYSTICK_BUTTON, event.JoyButton.JoystickId, event.JoyButton.Button );
break;
case sf::Event::Closed:
setgamestate = STATE_QUIT;
break;
}
}
// get loop time in ticks
float delta = timer.GetElapsedTime();
timer.Reset();
//ticks += delta;
#elif defined(USE_GLFW)
if (glfwGetJoystickParam(0, GLFW_PRESENT))
{
// get joystick axis positions
int axiscount = glfwGetJoystickParam(0, GLFW_AXES);
float *axis = static_cast<float *>(_alloca(axiscount * sizeof(float)));
axiscount = glfwGetJoystickPos(0, axis, axiscount);
for (int i = 0; i < axiscount; ++i)
input.OnAxis(Input::TYPE_JOYSTICK_AXIS, 0, i, axis[i]);
// get joystick button states
int buttoncount = glfwGetJoystickParam(0, GLFW_BUTTONS);
unsigned char *button = static_cast<unsigned char *>(_alloca(buttoncount * sizeof(unsigned char)));
buttoncount = glfwGetJoystickButtons(0, button, buttoncount);
for (int i = 0; i < buttoncount; ++i)
input.OnAxis(Input::TYPE_JOYSTICK_BUTTON, 0, i, button[i]);
}
double nexttime = glfwGetTime();
float delta = float(nexttime - prevtime);
prevtime = nexttime;
#endif
// clamp ticks to something sensible
// (while debugging, for example)
if (delta > 0.1f)
delta = 0.1f;
// frame time and turns
if (singlestep)
{
// advance 1/60th of a second
frame_time = TIME_SCALE / 60.0f;
frame_turns = frame_time * sim_rate;
}
else if (paused || escape)
{
// freeze time
frame_time = 0.0f;
frame_turns = 0.0f;
}
else if (FIXED_STEP)
{
// advance one simulation step
frame_time = TIME_SCALE * sim_step;
frame_turns = TIME_SCALE;
}
else
{
// advance by frame time
frame_time = delta * TIME_SCALE;
frame_turns = frame_time * sim_rate;
}
// turns per motion-blur step
float step_turns = std::min(TIME_SCALE * MOTIONBLUR_TIME * sim_rate, 1.0f) / MOTIONBLUR_STEPS;
// advance to beginning of motion blur steps
sim_fraction += frame_turns;
sim_fraction -= MOTIONBLUR_STEPS * step_turns;
// for each motion-blur step
for (int blur = 0; blur < MOTIONBLUR_STEPS; ++blur)
{
// clear the screen
glClear(
GL_COLOR_BUFFER_BIT
#ifdef ENABLE_DEPTH_TEST
| GL_DEPTH_BUFFER_BIT
#endif
);
// set projection
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glFrustum( -0.5*VIEW_SIZE*SCREEN_WIDTH/SCREEN_HEIGHT, 0.5*VIEW_SIZE*SCREEN_WIDTH/SCREEN_HEIGHT, 0.5f*VIEW_SIZE, -0.5f*VIEW_SIZE, 256.0f*1.0f, 256.0f*5.0f );
// set base modelview matrix
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
glTranslatef( 0.0f, 0.0f, -256.0f );
glScalef( -1.0f, -1.0f, -1.0f );
// advance the sim timer
sim_fraction += step_turns;
if (escape)
{
input.Update();
input.Step();
}
// while simulation turns to run...
else while ((singlestep || !paused) && sim_fraction >= 1.0f)
{
// deduct a turn
sim_fraction -= 1.0f;
// advance the turn counter
++sim_turn;
// save original fraction
float save_fraction = sim_fraction;
// switch fraction to simulation mode
sim_fraction = 0.0f;
#ifdef COLLECT_DEBUG_DRAW
// collect any debug draw
glNewList(debugdraw, GL_COMPILE);
#endif
// seed the random number generator
Random::Seed(0x92D68CA2 ^ sim_turn);
(void)Random::Int();
// update database
Database::Update();
if (curgamestate == STATE_PLAY)
{
if (playback)
{
// quit if out of turns
if (!inputlognext)
{
setgamestate = STATE_SHELL;
break;
}
// get the next turn value
int turn = -1;
inputlognext->QueryIntAttribute("turn", &turn);
// if the turn matches the simulation turn...
if ((unsigned int)turn == sim_turn)
{
// update the control values
input.Playback(inputlognext);
// go to the next entry
inputlognext = inputlognext->NextSiblingElement();
}
}
else if (record)
{
// save original input values
float prev[Input::NUM_LOGICAL];
memcpy(prev, input.output, sizeof(prev));
// update input values
input.Update();
// if any controls have changed...
bool changed = false;
for (int i = 0; i < Input::NUM_LOGICAL; ++i)
{
if (input.output[i] != prev[i])
{
changed = true; break;
}
}
if (changed)
{
// create an input turn entry
TiXmlElement item( "input" );
item.SetAttribute( "turn", sim_turn );
// add changed control values
input.Record(&item, prev);
// add the new input entry
inputlogroot->InsertEndChild(item);
}
}
else
{
// update input values
input.Update();
}
}
// do any pending turn actions
DoTurn();
// CONTROL PHASE
#ifdef GET_PERFORMANCE_DETAILS
control_timer.Start();
#endif
// control all entities
Controller::ControlAll(sim_step);
#ifdef GET_PERFORMANCE_DETAILS
control_timer.Stop();
simulate_timer.Start();
#endif
// SIMULATION PHASE
// (generate forces)
Simulatable::SimulateAll(sim_step);
#ifdef GET_PERFORMANCE_DETAILS
simulate_timer.Stop();
collide_timer.Start();
#endif
// COLLISION PHASE
// (apply forces and update positions)
Collidable::CollideAll(sim_step);
#ifdef GET_PERFORMANCE_DETAILS
collide_timer.Stop();
update_timer.Start();
#endif
// UPDATE PHASE
// (use updated positions)
Updatable::UpdateAll(sim_step);
#ifdef GET_PERFORMANCE_DETAILS
update_timer.Stop();
#endif
// step inputs for next turn
input.Step();
#ifdef COLLECT_DEBUG_DRAW
// finish the draw list
glEndList();
#endif
// restore original fraction
sim_fraction = save_fraction;
}
// clear single-step
singlestep = false;
// seed the random number generator
FloatInt floatint;
floatint.f = sim_fraction;
Random::Seed(0x92D68CA2 ^ sim_turn ^ floatint.u);
(void)Random::Int();
#ifdef PRINT_SIMULATION_TIMER
DebugPrint("delta=%f ticks=%d sim_t=%f\n", delta, ticks, sim_fraction);
#endif
#ifdef GET_PERFORMANCE_DETAILS
render_timer.Start();
#endif
// RENDERING PHASE
// push camera transform
glPushMatrix();
// get interpolated track position
Vector2 viewpos(Lerp(camerapos[0], camerapos[1], sim_fraction));
// set view position
glTranslatef( -viewpos.x, -viewpos.y, 0 );
// calculate view area
AlignedBox2 view;
view.min.x = viewpos.x - VIEW_SIZE * 0.5f * SCREEN_WIDTH / SCREEN_HEIGHT;
view.max.x = viewpos.x + VIEW_SIZE * 0.5f * SCREEN_WIDTH / SCREEN_HEIGHT;
view.min.y = viewpos.y - VIEW_SIZE * 0.5f;
view.max.y = viewpos.y + VIEW_SIZE * 0.5f;
// render all entities
// (send interpolation ratio and offset from simulation time)
Renderable::RenderAll(view);
// reset camera transform
glPopMatrix();
// if performing motion blur...
if (MOTIONBLUR_STEPS > 1)
{
// accumulate the image
glAccum(blur ? GL_ACCUM : GL_LOAD, 1.0f / float(MOTIONBLUR_STEPS));
}
#ifdef GET_PERFORMANCE_DETAILS
render_timer.Stop();
#endif
}
#ifdef GET_PERFORMANCE_DETAILS
render_timer.Start();
#endif
// if performing motion blur...
if (MOTIONBLUR_STEPS > 1)
{
// return the accumulated image
glAccum(GL_RETURN, 1);
}
// switch blend mode
glPushAttrib(GL_COLOR_BUFFER_BIT | GL_TEXTURE_BIT);
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
#ifdef GET_PERFORMANCE_DETAILS
render_timer.Stop();
overlay_timer.Start();
#endif
#ifdef COLLECT_DEBUG_DRAW
if (DEBUG_DRAW)
{
// push camera transform
glPushMatrix();
// get interpolated track position
Vector2 viewpos(Lerp(camerapos[0], camerapos[1], sim_fraction));
// set camera to track position
glTranslatef( -viewpos.x, -viewpos.y, 0 );
// debug draw
glCallList(debugdraw);
// pop camera transform
glPopMatrix();
}
#endif
// push projection transform
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, 640, 480, 0, -1, 1);
// use 640x480 screen coordinates
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
// render all overlays
Overlay::RenderAll();
#ifdef GET_PERFORMANCE_DETAILS
overlay_timer.Stop();
if (!OPENGL_SWAPCONTROL)
{
display_timer.Start();
// wait for rendering to finish
glFinish();
display_timer.Stop();
}
#ifdef DRAW_PERFORMANCE_DETAILS
if (PROFILER_OUTPUTSCREEN)
{
struct BandInfo
{
const LONGLONG * time;
float r;
float g;
float b;
float a;
};
static BandInfo band_info[] =
{
{ control_timer.mHistory, 1.0f, 0.0f, 0.0f, 0.5f },
{ simulate_timer.mHistory, 1.0f, 1.0f, 0.0f, 0.5f },
{ collide_timer.mHistory, 0.0f, 1.0f, 0.0f, 0.5f },
{ update_timer.mHistory, 0.0f, 0.5f, 1.0f, 0.5f },
{ render_timer.mHistory, 1.0f, 0.0f, 1.0f, 0.5f },
{ overlay_timer.mHistory, 1.0f, 0.5f, 0.0f, 0.5f },
{ display_timer.mHistory, 0.5f, 0.5f, 0.5f, 0.5f },
};
// generate y samples
float sample_y[SDL_arraysize(band_info)+1][PerfTimer::NUM_SAMPLES];
int index = PerfTimer::mIndex;
for (int i = 0; i < PerfTimer::NUM_SAMPLES; ++i)
{
float y = 480.0f;
sample_y[0][i] = y;
for (int band = 0; band < SDL_arraysize(band_info); ++band)
{
y -= 60.0f * 480.0f * band_info[band].time[index] / PerfTimer::mFrequency;
sample_y[band+1][i] = y;
}
if (++index >= PerfTimer::NUM_SAMPLES)
index = 0;
}
glBegin(GL_QUADS);
for (int band = 0; band < SDL_arraysize(band_info); ++band)
{
glColor4fv(&band_info[band].r);
float x = 0;
float dx = 640.0f / PerfTimer::NUM_SAMPLES;
for (int i = 0; i < PerfTimer::NUM_SAMPLES; i++)
{
glVertex3f(x, sample_y[band][i], 0);
glVertex3f(x+dx, sample_y[band][i], 0);
glVertex3f(x+dx, sample_y[band+1][i], 0);
glVertex3f(x, sample_y[band+1][i], 0);
x += dx;
}
}
glEnd();
}
#endif
#ifdef PRINT_PERFORMANCE_DETAILS
if (PROFILER_OUTPUTPRINT)
{
DebugPrint("C=%d S=%d P=%d U=%d R=%d O=%d D=%d\n",
control_timer.Microseconds(),
simulate_timer.Microseconds(),
collide_timer.Microseconds(),
update_timer.Microseconds(),
render_timer.Microseconds(),
overlay_timer.Microseconds(),
display_timer.Microseconds());
}
#endif
// update frame timer
total_timer.Stamp();
#if defined(PRINT_PERFORMANCE_FRAMERATE) || defined(DRAW_PERFORMANCE_FRAMERATE)
if (FRAMERATE_OUTPUTSCREEN || FRAMERATE_OUTPUTPRINT)
{
// compute minimum, maximum, and average frame times over the past second
LONGLONG total_min = LLONG_MAX;
LONGLONG total_max = LLONG_MIN;
LONGLONG total_sum = 0;
LONGLONG total_samples = 0;
int i = PerfTimer::mIndex;
do
{
total_min = std::min(total_min, total_timer.mHistory[i]);
total_max = std::max(total_max, total_timer.mHistory[i]);
total_sum += total_timer.mHistory[i];
++total_samples;
i = (i > 0) ? i - 1 : PerfTimer::NUM_SAMPLES - 1;
}
while (total_sum <= PerfTimer::mFrequency && i != PerfTimer::mIndex && total_samples != PerfTimer::mCount);
total_sum /= total_samples;
// compute frame rates
double rate_max = (double)PerfTimer::mFrequency / total_min;
double rate_avg = (double)PerfTimer::mFrequency / total_sum;
double rate_min = (double)PerfTimer::mFrequency / total_max;
#if defined(DRAW_PERFORMANCE_FRAMERATE)
if (FRAMERATE_OUTPUTSCREEN)
{
// draw frame rate indicator
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, OGLCONSOLE_glFontHandle);
glBegin(GL_QUADS);
char fps[16];
sprintf(fps, "%.2f max", rate_max);
glColor4f(0.5f, 0.5f, 0.5f, 1.0f);
OGLCONSOLE_DrawString(fps, 640 - 16 - 8 * strlen(fps), 16, 8, -8, 0);
sprintf(fps, "%.2f avg", rate_avg);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
OGLCONSOLE_DrawString(fps, 640 - 16 - 8 * strlen(fps), 24, 8, -8, 0);
sprintf(fps, "%.2f min", rate_min);
glColor4f(0.5f, 0.5f, 0.5f, 1.0f);
OGLCONSOLE_DrawString(fps, 640 - 16 - 8 * strlen(fps), 32, 8, -8, 0);
glEnd();
glDisable(GL_TEXTURE_2D);
}
#endif
#if defined(PRINT_PERFORMANCE_FRAMERATE)
if (FRAMERATE_OUTPUTPRINT)
{
DebugPrint("%.2f<%.2f<%.2f\n", rate_min, rate_avg, rate_max);
}
#endif
}
#endif
#endif
// reset camera transform
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
// restore blend mode
glPopAttrib();
/* Render our console */
OGLCONSOLE_Draw();
// show the back buffer
Platform::Present();
#if 0
#ifdef GET_PERFORMANCE_DETAILS
if (OPENGL_SWAPCONTROL)
#endif
// wait for rendering to finish
glFinish();
#endif
// clear device reset flag
wasreset = false;
}
while( setgamestate == curgamestate );
if (record)
{
// save input log
inputlog.SaveFile();
}
}
int main(int argc, char *argv[])
{
char *shader = "mandelbrot (copy).frag";
if (argc > 1)
{
shader = argv[1];
}
glfwInit();
/*int major, minor, rev;
glfwGetGLVersion(&major, &minor, &rev);
printf("using openGL %d.%d.%d\n", major, minor, rev);*/
GLFWvidmode mode;
glfwGetDesktopMode( &mode );
window_width = mode.Width;
window_height = mode.Height;
printf("%dx%d\n", window_width, window_height);
//glfwOpenWindow(window_width, window_height, 5, 6, 5, 0, 8, 0, GLFW_FULLSCREEN);
glfwOpenWindow(mode.Width, mode.Height, mode.RedBits, mode.GreenBits, mode.BlueBits, 0, 0, 0, GLFW_FULLSCREEN);
// setup opengl perspective stuff.
glMatrixMode(GL_PROJECTION);
float aspect_ratio = ((float)window_height) / window_width;
glFrustum(.5, -.5, -.5 * aspect_ratio, .5 * aspect_ratio, 1, 50);
glDisable( GL_DEPTH_TEST );
glTranslatef(0.0, 0.0, -1.00);
glClearColor(0.0, 1.0, 1.0, 0.0);
// will create and set shader program.
GLhandleARB program = SetupFragmentShader(shader);
// get the location of all the uniforms
prepareUniforms(program);
// must call use program before setting uniforms values
glUseProgram(program);
uint param_i = 0;
parameters[WIDTH] = createParameter1i(program, "wW", window_width );
parameters[HEIGHT] = createParameter1i(program, "wH", window_height );
parameters[TIME] = createParameter1f(program, "time", 0.0 );
parameters[MINX] = createParameter1f(program, "minx", -2.0);
parameters[MINY] = createParameter1f(program, "miny", 1.0);
parameters[DELTA] = createParameter1f(program, "deltax", 3.0);
parameters[THETA] = createParameter1f(program, "theta", 1.0);
//synchParameters ( parameters );
/*for ( param_i = 0; param_i < NPARAMS; param_i++ )
{
Parameter *param = ¶meters[param_i];
switch ( param->utype )
{
case INT:
glUniform1i(param->loc, param->u.ival);
break;
case FLOAT:
glUniform1f(param->loc, param->u.fval);
break;
default:
break;
}
}*/
// set the dimension, must be after program is used.
//glUniform1i(wWLoc, window_width );
//glUniform1i(wHLoc, window_height );
printInstructions();
double frame_start = glfwGetTime();
double frame_time = 0.0;
double temp_time = 0.0;
//bool need_draw = true;
bool need_view_synch = true;
int mouseWheel = 0;
int mouseWheelDelta = 0;
double fIterations = (double)(iterations);
int mouseX, mouseY, curMouseX, curMouseY;
mouseX = mouseY = 0;
bool joystickPresent = glfwGetJoystickParam( GLFW_JOYSTICK_1, GLFW_PRESENT );
if(joystickPresent)
{
printf("Joystick present. Can be used to navigate in addition to mouse.\n");
}else
{
printf("no joystick present.\n");
}
// set up fonts
FTGLfont *font = NULL;
//font = ftglCreateBufferFont("/usr/share/fonts/truetype/freefont/FreeMono.ttf");
font = ftglCreatePixmapFont("/usr/share/fonts/truetype/freefont/FreeMono.ttf");
if( !font )
{
printf("failed to load font.");
}
ftglSetFontFaceSize(font, 50, 50);
//printf("%d\n", ftglGetFontError(font));
//ftglSetFontCharMap(font, ft_encoding_unicode);
//printf("%d\n", ftglGetFontError(font));
bool show_fps = true;
char text[256];
// keep on rendering the frame until escape is pressed.
while(glfwGetKey(GLFW_KEY_ESC) != GLFW_PRESS)
{
temp_time = glfwGetTime();
frame_time = temp_time - frame_start;
frame_start = temp_time;
// process input
if(glfwGetKey('E') == GLFW_PRESS)
{
printf("minx: %.31f\n", minx);
printf("miny: %.31f\n", miny);
printf("deltax: %.31f\n",deltax);
printf("deltay: %.31f\n",deltay);
printf("====================================\n");
}else if(glfwGetKey('P') == GLFW_PRESS)
{
saveFrameBuffer();
}else if(glfwGetKey('R') == GLFW_PRESS)
{
minx = -2.0;
miny = -1.0;
deltax = 3.0;
deltay = 2.0;
need_view_synch = true;
}else if(glfwGetKey('F') == GLFW_PRESS)
{
show_fps=~show_fps;
//printf("fps display toggled to: %d\n", show_fps);
}
else if(glfwGetKey(GLFW_KEY_RIGHT) == GLFW_PRESS)
{
fIterations += 5*(60*frame_time);
iterations = floor(fIterations);
need_view_synch = true;
}else if(glfwGetKey(GLFW_KEY_LEFT) == GLFW_PRESS)
{
if(iterations>1)
{
fIterations -= 5*(60*frame_time);
}
iterations = floor(fIterations);
need_view_synch = true;
}
// zooming using the arrow keys
if(glfwGetKey(GLFW_KEY_UP) == GLFW_PRESS)
{
zoomIn(2.0*zoom_factor*(frame_time*60.0));
need_view_synch = true;
}else if(glfwGetKey(GLFW_KEY_DOWN) == GLFW_PRESS)
{
zoomIn(-2.0*zoom_factor*(frame_time*60.0));
need_view_synch = true;
}
//changing the julia set constant
if(glfwGetKey('W') == GLFW_PRESS)
{
realc += .0025*frame_time*60.0;
need_view_synch = true;
}else if(glfwGetKey('S') == GLFW_PRESS)
{
realc -= .0025*frame_time*60.0;
need_view_synch = true;
}
if(glfwGetKey('A') == GLFW_PRESS)
{
imagc += .0025*frame_time*60.0;
need_view_synch = true;
}else if(glfwGetKey('D') == GLFW_PRESS)
{
imagc -= .0025*frame_time*60.0;
need_view_synch = true;
}
// changing the area visible (panning left and right)
glfwGetMousePos(&curMouseX, &curMouseY);
int mouseDeltax = curMouseX - mouseX;
int mouseDeltay = curMouseY - mouseY;
if(mouseDeltax||mouseDeltay)//if one of them is different
{
//printf("delta coordinates: (%d, %d)\n", mouseDeltax, mouseDeltay);
mouseX=curMouseX;
mouseY=curMouseY;
//printf("new mouse coordinates: (%d, %d)\n", x, y);
pan(zoom_factor*deltax*mouseDeltax/20.0, -1*zoom_factor*deltay*mouseDeltay/20.0);
need_view_synch = true;
}
if(joystickPresent)
{
float pos[4];
glfwGetJoystickPos(GLFW_JOYSTICK_1, pos, 4);
//the above function gives us bad results for my particular joystick :(, must fiddle around with numbers to get correct answer.
float xJoyPos = pos[0];//(pos[0]*32767)/128.0 - 1.0;
float yJoyPos = pos[1];//(pos[1]*32767)/128.0 + 1.0;
float zJoyPos = -1*pos[2];//-1*((pos[2]*32767)/128.0 - 1.0);
float rJoyPos = pos[3];
float temp = 0.0;
//printf("%f\n", xJoyPos);
if(xJoyPos>.02||xJoyPos<-.02)
{
temp = zoom_factor*xJoyPos*deltax*1.0*frame_time*60.0;
pan(temp, 0);
need_view_synch = true;
}
if(yJoyPos>.02||yJoyPos<-.02)
{
temp = zoom_factor*yJoyPos*deltay*1.0*frame_time*60.0;
pan(0, temp);
need_view_synch = true;
}
if(zJoyPos>.04||zJoyPos<-.04)
{
zoomIn(zJoyPos*scroll_zoom_factor*(frame_time*10.0));
need_view_synch = true;
}
if(rJoyPos>.02 || rJoyPos<-.02)
{
rotate( rJoyPos/5.0*frame_time );
need_view_synch = true;
}
unsigned char buttons[5];
glfwGetJoystickButtons(GLFW_JOYSTICK_1, buttons, 4);
if(buttons[0]==GLFW_PRESS)
{
saveFrameBuffer();
}
if(buttons[1]==GLFW_PRESS)
{
rotate( 0.35*frame_time );
need_view_synch = true;
}else if(buttons[2]==GLFW_PRESS)
{
rotate( -0.35*frame_time );
need_view_synch = true;
}
//printf("x:%f, y:%f\n", xJoyPos, yJoyPos);
}
// zooming using the mouse scroll
mouseWheelDelta = glfwGetMouseWheel() - mouseWheel;
mouseWheel = mouseWheel+mouseWheelDelta;
if(mouseWheelDelta != 0)
{
zoomIn(mouseWheelDelta*scroll_zoom_factor*(frame_time*60.0));
need_view_synch = true;
}
//printf("mouse wheel: %d\n", mouseWheelDelta);
if(need_view_synch)
{
synchVariableUniforms();
need_view_synch = false;
}
// update the time inside the shader for cool animations.
parameters[2].val.fval = frame_start;
parameters[2].needs_update = true;
synchParameters ( parameters );
//glUniform1f(timeLoc, frame_start);
// write fps and iterations to a string.
sprintf(text, "FPS: %4.1d; ITER: %d; ZOOMX: %-10.1f", (int)(floor(1.0/frame_time)), iterations, (3.0/deltax));
//sprintf("fps %f\n", 1.0/frame_time);
// clear the buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//since all calculations are being done in the fragment shader, all we draw is a surface.
glUseProgram(program);
glRects(-1, -1, 1, 1);
// render font on top of this?
if(show_fps != 0){
glUseProgram(0);
glColor3f(0.0f, 0.0f, 0.0f);
ftglRenderFont(font, text, FTGL_RENDER_ALL);
glUseProgram(program);
}
// note: swap buffers also updates the input events for glfw
glfwSwapBuffers();
}
// clean up the font and exit.
ftglDestroyFont(font);
return 1;
}
void PlayerControl( void )
{
float joy1pos[ 2 ], joy2pos[ 2 ];
// Get joystick X & Y axis positions
glfwGetJoystickPos( GLFW_JOYSTICK_1, joy1pos, 2 );
glfwGetJoystickPos( GLFW_JOYSTICK_2, joy2pos, 2 );
// Player 1 control
if( glfwGetKey( 'A' ) || joy1pos[ 1 ] > 0.2f )
{
player1.yspeed += dt * ACCELERATION;
if( player1.yspeed > MAX_SPEED )
{
player1.yspeed = MAX_SPEED;
}
}
else if( glfwGetKey( 'Z' ) || joy1pos[ 1 ] < -0.2f )
{
player1.yspeed -= dt * ACCELERATION;
if( player1.yspeed < -MAX_SPEED )
{
player1.yspeed = -MAX_SPEED;
}
}
else
{
player1.yspeed /= exp( DECELERATION * dt );
}
// Player 2 control
if( glfwGetKey( 'K' ) || joy2pos[ 1 ] > 0.2f )
{
player2.yspeed += dt * ACCELERATION;
if( player2.yspeed > MAX_SPEED )
{
player2.yspeed = MAX_SPEED;
}
}
else if( glfwGetKey( 'M' ) || joy2pos[ 1 ] < -0.2f )
{
player2.yspeed -= dt * ACCELERATION;
if( player2.yspeed < -MAX_SPEED )
{
player2.yspeed = -MAX_SPEED;
}
}
else
{
player2.yspeed /= exp( DECELERATION * dt );
}
// Update player 1 position
player1.ypos += dt * player1.yspeed;
if( player1.ypos > 1.0 - PLAYER_YSIZE )
{
player1.ypos = 1.0 - PLAYER_YSIZE;
player1.yspeed = 0.0;
}
else if( player1.ypos < -1.0 + PLAYER_YSIZE )
{
player1.ypos = -1.0 + PLAYER_YSIZE;
player1.yspeed = 0.0;
}
// Update player 2 position
player2.ypos += dt * player2.yspeed;
if( player2.ypos > 1.0 - PLAYER_YSIZE )
{
player2.ypos = 1.0 - PLAYER_YSIZE;
player2.yspeed = 0.0;
}
else if( player2.ypos < -1.0 + PLAYER_YSIZE )
{
player2.ypos = -1.0 + PLAYER_YSIZE;
player2.yspeed = 0.0;
}
}
