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New HUD element - waypoint.

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This commit is contained in:
RealBadAngel 2014-01-26 21:31:59 +01:00
parent 3f0ee5d680
commit 21f1bec724
8 changed files with 85 additions and 9 deletions
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35
src/hud.cpp
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@ -29,14 +29,17 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "inventory.h"
#include "tile.h"
#include "localplayer.h"
#include "camera.h"
#include <IGUIStaticText.h>
Hud::Hud(video::IVideoDriver *driver, gui::IGUIEnvironment* guienv,
gui::IGUIFont *font, u32 text_height, IGameDef *gamedef,
Hud::Hud(video::IVideoDriver *driver, scene::ISceneManager* smgr,
gui::IGUIEnvironment* guienv, gui::IGUIFont *font,
u32 text_height, IGameDef *gamedef,
LocalPlayer *player, Inventory *inventory) {
this->driver = driver;
this->smgr = smgr;
this->guienv = guienv;
this->font = font;
this->text_height = text_height;
@ -268,6 +271,33 @@ void Hud::drawLuaElements() {
InventoryList *inv = inventory->getList(e->text);
drawItem(pos, hotbar_imagesize, e->number, inv, e->item, e->dir);
break; }
case HUD_ELEM_WAYPOINT: {
v3f p_pos = player->getPosition() / BS;
v3f w_pos = e->world_pos * BS;
float distance = floor(10 * p_pos.getDistanceFrom(e->world_pos)) / 10;
scene::ICameraSceneNode* camera = smgr->getActiveCamera();
core::matrix4 trans = camera->getProjectionMatrix();
trans *= camera->getViewMatrix();
f32 transformed_pos[4] = { w_pos.X, w_pos.Y, w_pos.Z, 1.0f };
trans.multiplyWith1x4Matrix(transformed_pos);
if (transformed_pos[3] < 0)
break;
f32 zDiv = transformed_pos[3] == 0.0f ? 1.0f :
core::reciprocal(transformed_pos[3]);
pos.X = screensize.X * (0.5 * transformed_pos[0] * zDiv + 0.5);
pos.Y = screensize.Y * (0.5 - transformed_pos[1] * zDiv * 0.5);
video::SColor color(255, (e->number >> 16) & 0xFF,
(e->number >> 8) & 0xFF,
(e->number >> 0) & 0xFF);
core::rect<s32> size(0, 0, 200, 2 * text_height);
std::wstring text = narrow_to_wide(e->name);
font->draw(text.c_str(), size + pos, color);
std::ostringstream os;
os<<distance<<e->text;
text = narrow_to_wide(os.str());
pos.Y += text_height;
font->draw(text.c_str(), size + pos, color);
break; }
default:
infostream << "Hud::drawLuaElements: ignoring drawform " << e->type <<
" of hud element ID " << i << " due to unrecognized type" << std::endl;
@ -477,4 +507,3 @@ void drawItemStack(video::IVideoDriver *driver,
font->draw(text.c_str(), rect2, color, false, false, clip);
}
}