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Move object nametags to camera

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This commit is contained in:
RealBadAngel 2016-02-15 14:01:01 +01:00 • committed by est31
parent 4c654557ec
commit c3b279750e
9 changed files with 138 additions and 54 deletions
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49
src/camera.cpp
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@ -34,6 +34,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "util/numeric.h"
#include "util/mathconstants.h"
#include "constants.h"
#include "fontengine.h"
#define CAMERA_OFFSET_STEP 200
@ -81,6 +82,7 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control,
{
//dstream<<FUNCTION_NAME<<std::endl;
m_driver = smgr->getVideoDriver();
// note: making the camera node a child of the player node
// would lead to unexpected behaviour, so we don't do that.
m_playernode = smgr->addEmptySceneNode(smgr->getRootSceneNode());
@ -110,6 +112,7 @@ Camera::Camera(scene::ISceneManager* smgr, MapDrawControl& draw_control,
m_cache_wanted_fps = g_settings->getFloat("wanted_fps");
m_cache_fov = g_settings->getFloat("fov");
m_cache_view_bobbing = g_settings->getBool("view_bobbing");
m_nametags.clear();
}
Camera::~Camera()
@ -662,3 +665,49 @@ void Camera::drawWieldedTool(irr::core::matrix4* translation)
}
m_wieldmgr->drawAll();
}
void Camera::drawNametags()
{
core::matrix4 trans = m_cameranode->getProjectionMatrix();
trans *= m_cameranode->getViewMatrix();
for (std::list<Nametag *>::const_iterator
i = m_nametags.begin();
i != m_nametags.end(); ++i) {
Nametag *nametag = *i;
v3f pos = nametag->parent_node->getPosition() -
intToFloat(m_camera_offset, BS) + v3f(0.0, 1.1 * BS, 0.0);
f32 transformed_pos[4] = { pos.X, pos.Y, pos.Z, 1.0f };
trans.multiplyWith1x4Matrix(transformed_pos);
if (transformed_pos[3] > 0) {
core::dimension2d<u32> textsize =
g_fontengine->getFont()->getDimension(
utf8_to_wide(nametag->nametag_text).c_str());
f32 zDiv = transformed_pos[3] == 0.0f ? 1.0f :
core::reciprocal(transformed_pos[3]);
v2u32 screensize = m_driver->getScreenSize();
v2s32 screen_pos;
screen_pos.X = screensize.X *
(0.5 * transformed_pos[0] * zDiv + 0.5) - textsize.Width / 2;
screen_pos.Y = screensize.Y *
(0.5 - transformed_pos[1] * zDiv * 0.5) - textsize.Height / 2;
core::rect<s32> size(0, 0, textsize.Width, textsize.Height);
g_fontengine->getFont()->draw(utf8_to_wide(nametag->nametag_text).c_str(),
size + screen_pos, nametag->nametag_color);
}
}
}
Nametag *Camera::addNametag(scene::ISceneNode *parent_node,
std::string nametag_text, video::SColor nametag_color)
{
Nametag *nametag = new Nametag(parent_node, nametag_text, nametag_color);
m_nametags.push_back(nametag);
return nametag;
}
void Camera::removeNametag(Nametag *nametag)
{
m_nametags.remove(nametag);
delete nametag;
}