minetest/src/hud.cpp

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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2010-2013 blue42u, Jonathon Anderson <anderjon@umail.iu.edu>
Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <IGUIStaticText.h>
#include "guiFormSpecMenu.h"
#include "main.h"
#include "util/numeric.h"
#include "log.h"
#include "client.h"
#include "hud.h"
Hud::Hud(video::IVideoDriver *driver, gui::IGUIEnvironment* guienv,
gui::IGUIFont *font, u32 text_height, IGameDef *gamedef,
LocalPlayer *player, Inventory *inventory) {
this->driver = driver;
this->guienv = guienv;
this->font = font;
this->text_height = text_height;
this->gamedef = gamedef;
this->player = player;
this->inventory = inventory;
screensize = v2u32(0, 0);
displaycenter = v2s32(0, 0);
hotbar_imagesize = 48;
hotbar_itemcount = 8;
v3f crosshair_color = g_settings->getV3F("crosshair_color");
u32 cross_r = rangelim(myround(crosshair_color.X), 0, 255);
u32 cross_g = rangelim(myround(crosshair_color.Y), 0, 255);
u32 cross_b = rangelim(myround(crosshair_color.Z), 0, 255);
u32 cross_a = rangelim(g_settings->getS32("crosshair_alpha"), 0, 255);
crosshair_argb = video::SColor(cross_a, cross_r, cross_g, cross_b);
v3f selectionbox_color = g_settings->getV3F("selectionbox_color");
u32 sbox_r = rangelim(myround(selectionbox_color.X), 0, 255);
u32 sbox_g = rangelim(myround(selectionbox_color.Y), 0, 255);
u32 sbox_b = rangelim(myround(selectionbox_color.Z), 0, 255);
selectionbox_argb = video::SColor(255, sbox_r, sbox_g, sbox_b);
}
//NOTE: selectitem = 0 -> no selected; selectitem 1-based
void Hud::drawItem(v2s32 upperleftpos, s32 imgsize, s32 itemcount,
InventoryList *mainlist, u16 selectitem, u16 direction)
{
s32 padding = imgsize / 12;
s32 height = imgsize + padding * 2;
s32 width = itemcount * (imgsize + padding * 2);
if (direction == HUD_DIR_TOP_BOTTOM || direction == HUD_DIR_BOTTOM_TOP) {
width = imgsize + padding * 2;
height = itemcount * (imgsize + padding * 2);
}
s32 fullimglen = imgsize + padding * 2;
// Position of upper left corner of bar
v2s32 pos = upperleftpos;
// Draw background color
/*core::rect<s32> barrect(0,0,width,height);
barrect += pos;
video::SColor bgcolor(255,128,128,128);
driver->draw2DRectangle(bgcolor, barrect, NULL);*/
core::rect<s32> imgrect(0, 0, imgsize, imgsize);
for (s32 i = 0; i < itemcount; i++)
{
const ItemStack &item = mainlist->getItem(i);
v2s32 steppos;
switch (direction) {
case HUD_DIR_RIGHT_LEFT:
steppos = v2s32(-(padding + i * fullimglen), padding);
break;
case HUD_DIR_TOP_BOTTOM:
steppos = v2s32(padding, padding + i * fullimglen);
break;
case HUD_DIR_BOTTOM_TOP:
steppos = v2s32(padding, -(padding + i * fullimglen));
break;
default:
steppos = v2s32(padding + i * fullimglen, padding);
}
core::rect<s32> rect = imgrect + pos + steppos;
if (selectitem == i + 1)
{
video::SColor c_outside(255,255,0,0);
//video::SColor c_outside(255,0,0,0);
//video::SColor c_inside(255,192,192,192);
s32 x1 = rect.UpperLeftCorner.X;
s32 y1 = rect.UpperLeftCorner.Y;
s32 x2 = rect.LowerRightCorner.X;
s32 y2 = rect.LowerRightCorner.Y;
// Black base borders
driver->draw2DRectangle(c_outside,
core::rect<s32>(
v2s32(x1 - padding, y1 - padding),
v2s32(x2 + padding, y1)
), NULL);
driver->draw2DRectangle(c_outside,
core::rect<s32>(
v2s32(x1 - padding, y2),
v2s32(x2 + padding, y2 + padding)
), NULL);
driver->draw2DRectangle(c_outside,
core::rect<s32>(
v2s32(x1 - padding, y1),
v2s32(x1, y2)
), NULL);
driver->draw2DRectangle(c_outside,
core::rect<s32>(
v2s32(x2, y1),
v2s32(x2 + padding, y2)
), NULL);
/*// Light inside borders
driver->draw2DRectangle(c_inside,
core::rect<s32>(
v2s32(x1 - padding/2, y1 - padding/2),
v2s32(x2 + padding/2, y1)
), NULL);
driver->draw2DRectangle(c_inside,
core::rect<s32>(
v2s32(x1 - padding/2, y2),
v2s32(x2 + padding/2, y2 + padding/2)
), NULL);
driver->draw2DRectangle(c_inside,
core::rect<s32>(
v2s32(x1 - padding/2, y1),
v2s32(x1, y2)
), NULL);
driver->draw2DRectangle(c_inside,
core::rect<s32>(
v2s32(x2, y1),
v2s32(x2 + padding/2, y2)
), NULL);
*/
}
video::SColor bgcolor2(128, 0, 0, 0);
driver->draw2DRectangle(bgcolor2, rect, NULL);
drawItemStack(driver, font, item, rect, NULL, gamedef);
}
}
void Hud::drawLuaElements() {
for (size_t i = 0; i != player->hud.size(); i++) {
HudElement *e = player->hud[i];
if (!e)
continue;
v2s32 pos(e->pos.X * screensize.X, e->pos.Y * screensize.Y);
switch (e->type) {
case HUD_ELEM_IMAGE: {
video::ITexture *texture =
gamedef->getTextureSource()->getTextureRaw(e->text);
if (!texture)
continue;
const video::SColor color(255, 255, 255, 255);
const video::SColor colors[] = {color, color, color, color};
core::dimension2di imgsize(texture->getOriginalSize());
core::rect<s32> rect(0, 0, imgsize.Width * e->scale.X,
imgsize.Height * e->scale.X);
rect += pos;
v2s32 offset((e->align.X - 1.0) * ((imgsize.Width * e->scale.X) / 2),
(e->align.Y - 1.0) * ((imgsize.Height * e->scale.X) / 2));
rect += offset;
driver->draw2DImage(texture, rect,
core::rect<s32>(core::position2d<s32>(0,0), imgsize),
NULL, colors, true);
break; }
case HUD_ELEM_TEXT: {
video::SColor color(255, (e->number >> 16) & 0xFF,
(e->number >> 8) & 0xFF,
(e->number >> 0) & 0xFF);
core::rect<s32> size(0, 0, e->scale.X, text_height * e->scale.Y);
std::wstring text = narrow_to_wide(e->text);
core::dimension2d<u32> textsize = font->getDimension(text.c_str());
v2s32 offset((e->align.X - 1.0) * (textsize.Width / 2),
(e->align.Y - 1.0) * (textsize.Height / 2));
font->draw(text.c_str(), size + pos + offset, color);
break; }
case HUD_ELEM_STATBAR:
drawStatbar(pos, HUD_CORNER_UPPER, e->dir, e->text, e->number);
break;
case HUD_ELEM_INVENTORY: {
InventoryList *inv = inventory->getList(e->text);
drawItem(pos, hotbar_imagesize, e->number, inv, e->item, e->dir);
break; }
default:
infostream << "Hud::drawLuaElements: ignoring drawform " << e->type <<
"of hud element ID " << i << " due to unrecognized type" << std::endl;
}
}
}
void Hud::drawStatbar(v2s32 pos, u16 corner, u16 drawdir, std::string texture, s32 count) {
const video::SColor color(255, 255, 255, 255);
const video::SColor colors[] = {color, color, color, color};
video::ITexture *stat_texture =
gamedef->getTextureSource()->getTextureRaw(texture);
if (!stat_texture)
return;
core::dimension2di srcd(stat_texture->getOriginalSize());
v2s32 p = pos;
if (corner & HUD_CORNER_LOWER)
p -= srcd.Height;
v2s32 steppos;
switch (drawdir) {
case HUD_DIR_RIGHT_LEFT:
steppos = v2s32(-1, 0);
break;
case HUD_DIR_TOP_BOTTOM:
steppos = v2s32(0, 1);
break;
case HUD_DIR_BOTTOM_TOP:
steppos = v2s32(0, -1);
break;
default:
steppos = v2s32(1, 0);
}
steppos.X *= srcd.Width;
steppos.Y *= srcd.Height;
for (s32 i = 0; i < count / 2; i++)
{
core::rect<s32> srcrect(0, 0, srcd.Width, srcd.Height);
core::rect<s32> dstrect(srcrect);
dstrect += p;
driver->draw2DImage(stat_texture, dstrect, srcrect, NULL, colors, true);
p += steppos;
}
if (count % 2 == 1)
{
core::rect<s32> srcrect(0, 0, srcd.Width / 2, srcd.Height);
core::rect<s32> dstrect(srcrect);
dstrect += p;
driver->draw2DImage(stat_texture, dstrect, srcrect, NULL, colors, true);
}
}
void Hud::drawHotbar(v2s32 centerlowerpos, s32 halfheartcount, u16 playeritem) {
InventoryList *mainlist = inventory->getList("main");
if (mainlist == NULL) {
errorstream << "draw_hotbar(): mainlist == NULL" << std::endl;
return;
}
s32 padding = hotbar_imagesize / 12;
s32 width = hotbar_itemcount * (hotbar_imagesize + padding * 2);
v2s32 pos = centerlowerpos - v2s32(width / 2, hotbar_imagesize + padding * 2);
drawItem(pos, hotbar_imagesize, hotbar_itemcount, mainlist, playeritem + 1, 0);
drawStatbar(pos - v2s32(0, 4), HUD_CORNER_LOWER, HUD_DIR_LEFT_RIGHT,
"heart.png", halfheartcount);
}
void Hud::drawCrosshair() {
driver->draw2DLine(displaycenter - v2s32(10, 0),
displaycenter + v2s32(10, 0), crosshair_argb);
driver->draw2DLine(displaycenter - v2s32(0, 10),
displaycenter + v2s32(0, 10), crosshair_argb);
}
void Hud::drawSelectionBoxes(std::vector<aabb3f> &hilightboxes) {
for (std::vector<aabb3f>::const_iterator
i = hilightboxes.begin();
i != hilightboxes.end(); i++) {
driver->draw3DBox(*i, selectionbox_argb);
}
}
void Hud::resizeHotbar() {
if (screensize.Y <= 800)
hotbar_imagesize = 32;
else if (screensize.Y <= 1280)
hotbar_imagesize = 48;
else
hotbar_imagesize = 64;
}