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Page up and down change the minimum viewing range

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This commit is contained in:
Kahrl 2012-02-01 02:24:55 +01:00
parent 78bf92175a
commit 2cb96d9d68
4 changed files with 58 additions and 39 deletions
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56
src/camera.cpp
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@ -40,8 +40,6 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control):
m_wieldlight(0),
m_draw_control(draw_control),
m_viewing_range_min(5.0),
m_viewing_range_max(5.0),
m_camera_position(0,0,0),
m_camera_direction(0,0,0),
@ -50,7 +48,6 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control):
m_fov_x(1.0),
m_fov_y(1.0),
m_wanted_frametime(0.0),
m_added_frametime(0),
m_added_frames(0),
m_range_old(0),
@ -79,8 +76,6 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control):
m_wieldmgr = smgr->createNewSceneManager();
m_wieldmgr->addCameraSceneNode();
m_wieldnode = m_wieldmgr->addMeshSceneNode(createCubeMesh(v3f(1,1,1)), NULL); // need a dummy mesh
updateSettings();
}
Camera::~Camera()
@ -259,14 +254,17 @@ void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize)
// *100.0 helps in large map coordinates
m_cameranode->setTarget(m_camera_position + 100 * m_camera_direction);
// FOV and and aspect ratio
// Get FOV setting
f32 fov_degrees = g_settings->getFloat("fov");
fov_degrees = MYMAX(fov_degrees, 10.0);
fov_degrees = MYMIN(fov_degrees, 170.0);
// FOV and aspect ratio
m_aspect = (f32)screensize.X / (f32) screensize.Y;
m_fov_y = fov_degrees * PI / 180.0;
m_fov_x = 2 * atan(0.5 * m_aspect * tan(m_fov_y));
m_cameranode->setAspectRatio(m_aspect);
m_cameranode->setFOV(m_fov_y);
// Just so big a value that everything rendered is visible
// Some more allowance that m_viewing_range_max * BS because of active objects etc.
m_cameranode->setFarValue(m_viewing_range_max * BS * 10);
// Position the wielded item
v3f wield_position = v3f(45, -35, 65);
@ -343,7 +341,18 @@ void Camera::updateViewingRange(f32 frametime_in)
<<m_draw_control.blocks_would_have_drawn
<<std::endl;*/
m_draw_control.wanted_min_range = m_viewing_range_min;
// Get current viewing range and FPS settings
f32 viewing_range_min = g_settings->getS16("viewing_range_nodes_min");
viewing_range_min = MYMAX(5.0, viewing_range_min);
f32 viewing_range_max = g_settings->getS16("viewing_range_nodes_max");
viewing_range_max = MYMAX(viewing_range_min, viewing_range_max);
f32 wanted_fps = g_settings->getFloat("wanted_fps");
wanted_fps = MYMAX(wanted_fps, 1.0);
f32 wanted_frametime = 1.0 / wanted_fps;
m_draw_control.wanted_min_range = viewing_range_min;
m_draw_control.wanted_max_blocks = (2.0*m_draw_control.blocks_would_have_drawn)+1;
if (m_draw_control.wanted_max_blocks < 10)
m_draw_control.wanted_max_blocks = 10;
@ -362,13 +371,13 @@ void Camera::updateViewingRange(f32 frametime_in)
m_added_frametime = 0.0;
m_added_frames = 0;
f32 wanted_frametime_change = m_wanted_frametime - frametime;
f32 wanted_frametime_change = wanted_frametime - frametime;
//dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
// If needed frametime change is small, just return
// This value was 0.4 for many months until 2011-10-18 by c55;
// Let's see how this works out.
if (fabs(wanted_frametime_change) < m_wanted_frametime*0.33)
if (fabs(wanted_frametime_change) < wanted_frametime*0.33)
{
//dstream<<"ignoring small wanted_frametime_change"<<std::endl;
return;
@ -421,8 +430,8 @@ void Camera::updateViewingRange(f32 frametime_in)
new_range += wanted_range_change;
//f32 new_range_unclamped = new_range;
new_range = MYMAX(new_range, m_viewing_range_min);
new_range = MYMIN(new_range, m_viewing_range_max);
new_range = MYMAX(new_range, viewing_range_min);
new_range = MYMIN(new_range, viewing_range_max);
/*dstream<<"new_range="<<new_range_unclamped
<<", clamped to "<<new_range<<std::endl;*/
@ -430,24 +439,11 @@ void Camera::updateViewingRange(f32 frametime_in)
m_range_old = new_range;
m_frametime_old = frametime;
}
void Camera::updateSettings()
{
m_viewing_range_min = g_settings->getS16("viewing_range_nodes_min");
m_viewing_range_min = MYMAX(5.0, m_viewing_range_min);
// Just so big a value that everything rendered is visible
// Some more allowance than viewing_range_max * BS because of active objects etc.
m_cameranode->setFarValue(viewing_range_max * BS * 10);
m_viewing_range_max = g_settings->getS16("viewing_range_nodes_max");
m_viewing_range_max = MYMAX(m_viewing_range_min, m_viewing_range_max);
f32 fov_degrees = g_settings->getFloat("fov");
fov_degrees = MYMAX(fov_degrees, 10.0);
fov_degrees = MYMIN(fov_degrees, 170.0);
m_fov_y = fov_degrees * PI / 180.0;
f32 wanted_fps = g_settings->getFloat("wanted_fps");
wanted_fps = MYMAX(wanted_fps, 1.0);
m_wanted_frametime = 1.0 / wanted_fps;
}
void Camera::setDigging(s32 button)