void VideoEngine::DrawFPS()
{
if(!_fps_display)
return;
uint32 frame_time = vt_system::SystemManager->GetUpdateTime();
SetDrawFlags(VIDEO_X_LEFT, VIDEO_Y_BOTTOM, VIDEO_X_NOFLIP, VIDEO_Y_NOFLIP, VIDEO_BLEND, 0);
// Calculate the FPS for the current frame
uint32 current_fps = 1000;
if(frame_time) {
current_fps /= frame_time;
}
// The number of times to insert the current FPS sample into the fps_samples array
uint32 number_insertions;
if(_number_samples == 0) {
// If the FPS display is uninitialized, set the entire FPS array to the current FPS
_number_samples = FPS_SAMPLES;
number_insertions = FPS_SAMPLES;
} else if(current_fps >= 500) {
// If the game is going at 500 fps or faster, 1 insertion is enough
number_insertions = 1;
} else {
// Find if there's a discrepancy between the current frame time and the averaged one.
// If there's a large difference, add extra samples so the FPS display "catches up" more quickly.
float avg_frame_time = 1000.0f * FPS_SAMPLES / _fps_sum;
int32 time_difference = static_cast<int32>(avg_frame_time) - static_cast<int32>(frame_time);
if(time_difference < 0)
time_difference = -time_difference;
if(time_difference <= static_cast<int32>(MAX_FTIME_DIFF))
number_insertions = 1;
else
number_insertions = FPS_CATCHUP; // Take more samples to catch up to the current FPS
}
// Insert the current_fps samples into the fps_samples array for the number of times specified
for(uint32 j = 0; j < number_insertions; j++) {
_fps_sum -= _fps_samples[_current_sample];
_fps_sum += current_fps;
_fps_samples[_current_sample] = current_fps;
_current_sample = (_current_sample + 1) % FPS_SAMPLES;
}
uint32 avg_fps = _fps_sum / FPS_SAMPLES;
// The text to display to the screen
char fps_text[16];
sprintf(fps_text, "FPS: %d", avg_fps);
Move(930.0f, 720.0f); // Upper right hand corner of the screen
Text()->Draw(fps_text, TextStyle("text20", Color::white));
} // void GUISystem::_DrawFPS(uint32 frame_time)
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
Box3D::Box3D(void)
{
SetEmpty();
SetDrawFlags(0);
m_TranslateMode = modeScale;
m_vTranslationFixPoint.Init();
m_TranslateHandle.Init();
m_bEnableHandles = true;
SetDrawColors(Options.colors.clrToolHandle, Options.colors.clrToolBlock);
}
void VideoEngine::_DrawFPS()
{
if(!_fps_display || !_FPS_textimage)
return;
PushState();
SetStandardCoordSys();
SetDrawFlags(VIDEO_X_LEFT, VIDEO_Y_BOTTOM, VIDEO_X_NOFLIP, VIDEO_Y_NOFLIP, VIDEO_BLEND, 0);
Move(930.0f, 40.0f); // Upper right hand corner of the screen
_FPS_textimage->Draw();
PopState();
} // void GUISystem::_DrawFPS()
// Set the relevant animation depending on the state of the player following the update loop
void Player::SetAnimationFrame()
{
PlayerState state;
AnimationState newState;
if (p_Window->GetKey(Mega::Keys::MOVE_LEFT) == JKEY_HOLD)
SetDrawFlags(jvis::Sprite::DrawFlags::FlipHorizontal);
else if (p_Window->GetKey(Mega::Keys::MOVE_RIGHT) == JKEY_HOLD)
RemoveDrawFlags(jvis::Sprite::DrawFlags::FlipHorizontal);
if (m_TimerDeath.ElapsedMilliseconds() > 0)
newState = AnimationState::SPAWNING;
// Been hit
else if (m_TimerInvincibility.ElapsedMilliseconds() < INVINCIBILITY_TIME / 2.5f)
newState = AnimationState::INVINCIBLE;
else if (m_HasCollidedBelow)
{
if (m_TimerBulletAnimationDelay.ElapsedMilliseconds() < FIRING_ANIMATION_DELAY)
{
// Running and gunning
if (p_Window->GetKey(Mega::Keys::MOVE_LEFT) == JKEY_HOLD || p_Window->GetKey(Mega::Keys::MOVE_RIGHT) == JKEY_HOLD)
newState = AnimationState::SHOOTRUN;
else // Still firing
newState = AnimationState::SHOOTSTILL;
}
else
{
// Running
if (p_Window->GetKey(Mega::Keys::MOVE_LEFT) == JKEY_HOLD || p_Window->GetKey(Mega::Keys::MOVE_RIGHT) == JKEY_HOLD)
newState = AnimationState::RUN;
else // standing still
newState = AnimationState::STILL;
}
}
else
{
// Firing and jumping
if (m_TimerBulletAnimationDelay.ElapsedMilliseconds() < FIRING_ANIMATION_DELAY)
newState = AnimationState::SHOOTJUMP;
else // Just jumping
newState = AnimationState::JUMP;
}
if (newState != m_AnimationState)
{
m_AnimationState = newState;
SetDelay(120);
SetNumColumns(3);
SetCurrentFrame(1);
switch (m_AnimationState)
{
case INVINCIBLE:
SetRectangle(jmath::vec4(0, 146, 32, 30));
SetNumFrames(2);
SetDelay(20);
break;
case STILL:
SetRectangle(jmath::vec4(0, 38, 32, 30));
SetNumFrames(1);
break;
case RUN:
SetRectangle(jmath::vec4(0, 6, 32, 30));
SetNumFrames(3);
break;
case JUMP:
SetRectangle(jmath::vec4(0, 106, 32, 30));
SetNumFrames(1);
break;
case SHOOTSTILL:
SetRectangle(jmath::vec4(64, 38, 32, 30));
SetNumFrames(1);
break;
case SHOOTRUN:
SetRectangle(jmath::vec4(0, 70, 32, 30));
SetNumFrames(3);
break;
case SHOOTJUMP:
SetRectangle(jmath::vec4(32, 102, 32, 30));
SetNumFrames(1);
break;
case SPAWNING:
SetNumFrames(3);
SetNumColumns(1);
SetCurrentFrame(1);
SetDelay(10000);
break;
}
}
}