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hud.cpp
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hud.cpp
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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <[email protected]>
Copyright (C) 2010-2013 blue42u, Jonathon Anderson <[email protected]>
Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <[email protected]>
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 "client/hud.h"
#include <string>
#include <iostream>
#include <cmath>
#include "settings.h"
#include "util/numeric.h"
#include "log.h"
#include "client.h"
#include "inventory.h"
#include "shader.h"
#include "client/tile.h"
#include "localplayer.h"
#include "camera.h"
#include "porting.h"
#include "fontengine.h"
#include "guiscalingfilter.h"
#include "mesh.h"
#include "wieldmesh.h"
#include "client/renderingengine.h"
#include "client/minimap.h"
#ifdef HAVE_TOUCHSCREENGUI
#include "gui/touchscreengui.h"
#endif
#define OBJECT_CROSSHAIR_LINE_SIZE 8
#define CROSSHAIR_LINE_SIZE 10
Hud::Hud(Client *client, LocalPlayer *player,
Inventory *inventory)
{
driver = RenderingEngine::get_video_driver();
this->client = client;
this->player = player;
this->inventory = inventory;
m_hud_scaling = g_settings->getFloat("hud_scaling");
m_scale_factor = m_hud_scaling * RenderingEngine::getDisplayDensity();
m_hotbar_imagesize = std::floor(HOTBAR_IMAGE_SIZE *
RenderingEngine::getDisplayDensity() + 0.5f);
m_hotbar_imagesize *= m_hud_scaling;
m_padding = m_hotbar_imagesize / 12;
for (auto &hbar_color : hbar_colors)
hbar_color = video::SColor(255, 255, 255, 255);
tsrc = client->getTextureSource();
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);
use_crosshair_image = tsrc->isKnownSourceImage("crosshair.png");
use_object_crosshair_image = tsrc->isKnownSourceImage("object_crosshair.png");
m_selection_boxes.clear();
m_halo_boxes.clear();
std::string mode_setting = g_settings->get("node_highlighting");
if (mode_setting == "halo") {
m_mode = HIGHLIGHT_HALO;
} else if (mode_setting == "none") {
m_mode = HIGHLIGHT_NONE;
} else {
m_mode = HIGHLIGHT_BOX;
}
m_selection_material.Lighting = false;
if (g_settings->getBool("enable_shaders")) {
IShaderSource *shdrsrc = client->getShaderSource();
u16 shader_id = shdrsrc->getShader(
m_mode == HIGHLIGHT_HALO ? "selection_shader" : "default_shader", TILE_MATERIAL_ALPHA);
m_selection_material.MaterialType = shdrsrc->getShaderInfo(shader_id).material;
} else {
m_selection_material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
}
if (m_mode == HIGHLIGHT_BOX) {
m_selection_material.Thickness =
rangelim(g_settings->getS16("selectionbox_width"), 1, 5);
} else if (m_mode == HIGHLIGHT_HALO) {
m_selection_material.setTexture(0, tsrc->getTextureForMesh("halo.png"));
m_selection_material.setFlag(video::EMF_BACK_FACE_CULLING, true);
} else {
m_selection_material.MaterialType = video::EMT_SOLID;
}
// Prepare mesh for compass drawing
m_rotation_mesh_buffer.Vertices.set_used(4);
m_rotation_mesh_buffer.Indices.set_used(6);
video::SColor white(255, 255, 255, 255);
v3f normal(0.f, 0.f, 1.f);
m_rotation_mesh_buffer.Vertices[0] = video::S3DVertex(v3f(-1.f, -1.f, 0.f), normal, white, v2f(0.f, 1.f));
m_rotation_mesh_buffer.Vertices[1] = video::S3DVertex(v3f(-1.f, 1.f, 0.f), normal, white, v2f(0.f, 0.f));
m_rotation_mesh_buffer.Vertices[2] = video::S3DVertex(v3f( 1.f, 1.f, 0.f), normal, white, v2f(1.f, 0.f));
m_rotation_mesh_buffer.Vertices[3] = video::S3DVertex(v3f( 1.f, -1.f, 0.f), normal, white, v2f(1.f, 1.f));
m_rotation_mesh_buffer.Indices[0] = 0;
m_rotation_mesh_buffer.Indices[1] = 1;
m_rotation_mesh_buffer.Indices[2] = 2;
m_rotation_mesh_buffer.Indices[3] = 2;
m_rotation_mesh_buffer.Indices[4] = 3;
m_rotation_mesh_buffer.Indices[5] = 0;
m_rotation_mesh_buffer.getMaterial().Lighting = false;
m_rotation_mesh_buffer.getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
}
Hud::~Hud()
{
if (m_selection_mesh)
m_selection_mesh->drop();
}
void Hud::drawItem(const ItemStack &item, const core::rect<s32>& rect,
bool selected)
{
if (selected) {
/* draw hihlighting around selected item */
if (use_hotbar_selected_image) {
core::rect<s32> imgrect2 = rect;
imgrect2.UpperLeftCorner.X -= (m_padding*2);
imgrect2.UpperLeftCorner.Y -= (m_padding*2);
imgrect2.LowerRightCorner.X += (m_padding*2);
imgrect2.LowerRightCorner.Y += (m_padding*2);
video::ITexture *texture = tsrc->getTexture(hotbar_selected_image);
core::dimension2di imgsize(texture->getOriginalSize());
draw2DImageFilterScaled(driver, texture, imgrect2,
core::rect<s32>(core::position2d<s32>(0,0), imgsize),
NULL, hbar_colors, true);
} else {
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 - m_padding, y1 - m_padding),
v2s32(x2 + m_padding, y1)
), NULL);
driver->draw2DRectangle(c_outside,
core::rect<s32>(
v2s32(x1 - m_padding, y2),
v2s32(x2 + m_padding, y2 + m_padding)
), NULL);
driver->draw2DRectangle(c_outside,
core::rect<s32>(
v2s32(x1 - m_padding, y1),
v2s32(x1, y2)
), NULL);
driver->draw2DRectangle(c_outside,
core::rect<s32>(
v2s32(x2, y1),
v2s32(x2 + m_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);
if (!use_hotbar_image)
driver->draw2DRectangle(bgcolor2, rect, NULL);
drawItemStack(driver, g_fontengine->getFont(), item, rect, NULL,
client, selected ? IT_ROT_SELECTED : IT_ROT_NONE);
}
//NOTE: selectitem = 0 -> no selected; selectitem 1-based
// mainlist can be NULL, but draw the frame anyway.
void Hud::drawItems(v2s32 upperleftpos, v2s32 screen_offset, s32 itemcount,
s32 inv_offset, InventoryList *mainlist, u16 selectitem, u16 direction)
{
#ifdef HAVE_TOUCHSCREENGUI
if (g_touchscreengui && inv_offset == 0)
g_touchscreengui->resetHud();
#endif
s32 height = m_hotbar_imagesize + m_padding * 2;
s32 width = (itemcount - inv_offset) * (m_hotbar_imagesize + m_padding * 2);
if (direction == HUD_DIR_TOP_BOTTOM || direction == HUD_DIR_BOTTOM_TOP) {
s32 tmp = height;
height = width;
width = tmp;
}
// Position of upper left corner of bar
v2s32 pos = screen_offset * m_scale_factor;
pos += upperleftpos;
// Store hotbar_image in member variable, used by drawItem()
if (hotbar_image != player->hotbar_image) {
hotbar_image = player->hotbar_image;
use_hotbar_image = !hotbar_image.empty();
}
// Store hotbar_selected_image in member variable, used by drawItem()
if (hotbar_selected_image != player->hotbar_selected_image) {
hotbar_selected_image = player->hotbar_selected_image;
use_hotbar_selected_image = !hotbar_selected_image.empty();
}
// draw customized item background
if (use_hotbar_image) {
core::rect<s32> imgrect2(-m_padding/2, -m_padding/2,
width+m_padding/2, height+m_padding/2);
core::rect<s32> rect2 = imgrect2 + pos;
video::ITexture *texture = tsrc->getTexture(hotbar_image);
core::dimension2di imgsize(texture->getOriginalSize());
draw2DImageFilterScaled(driver, texture, rect2,
core::rect<s32>(core::position2d<s32>(0,0), imgsize),
NULL, hbar_colors, true);
}
// Draw items
core::rect<s32> imgrect(0, 0, m_hotbar_imagesize, m_hotbar_imagesize);
const s32 list_size = mainlist ? mainlist->getSize() : 0;
for (s32 i = inv_offset; i < itemcount && i < list_size; i++) {
s32 fullimglen = m_hotbar_imagesize + m_padding * 2;
v2s32 steppos;
switch (direction) {
case HUD_DIR_RIGHT_LEFT:
steppos = v2s32(-(m_padding + (i - inv_offset) * fullimglen), m_padding);
break;
case HUD_DIR_TOP_BOTTOM:
steppos = v2s32(m_padding, m_padding + (i - inv_offset) * fullimglen);
break;
case HUD_DIR_BOTTOM_TOP:
steppos = v2s32(m_padding, -(m_padding + (i - inv_offset) * fullimglen));
break;
default:
steppos = v2s32(m_padding + (i - inv_offset) * fullimglen, m_padding);
break;
}
drawItem(mainlist->getItem(i), (imgrect + pos + steppos), (i + 1) == selectitem);
#ifdef HAVE_TOUCHSCREENGUI
if (g_touchscreengui)
g_touchscreengui->registerHudItem(i, (imgrect + pos + steppos));
#endif
}
}
bool Hud::hasElementOfType(HudElementType type)
{
for (size_t i = 0; i != player->maxHudId(); i++) {
HudElement *e = player->getHud(i);
if (!e)
continue;
if (e->type == type)
return true;
}
return false;
}
// Calculates screen position of waypoint. Returns true if waypoint is visible (in front of the player), else false.
bool Hud::calculateScreenPos(const v3s16 &camera_offset, HudElement *e, v2s32 *pos)
{
v3f w_pos = e->world_pos * BS;
scene::ICameraSceneNode* camera =
client->getSceneManager()->getActiveCamera();
w_pos -= intToFloat(camera_offset, BS);
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)
return false;
f32 zDiv = transformed_pos[3] == 0.0f ? 1.0f :
core::reciprocal(transformed_pos[3]);
pos->X = m_screensize.X * (0.5 * transformed_pos[0] * zDiv + 0.5);
pos->Y = m_screensize.Y * (0.5 - transformed_pos[1] * zDiv * 0.5);
return true;
}
void Hud::drawLuaElements(const v3s16 &camera_offset)
{
const u32 text_height = g_fontengine->getTextHeight();
gui::IGUIFont *const font = g_fontengine->getFont();
// Reorder elements by z_index
std::vector<HudElement*> elems;
elems.reserve(player->maxHudId());
for (size_t i = 0; i != player->maxHudId(); i++) {
HudElement *e = player->getHud(i);
if (!e)
continue;
auto it = elems.begin();
while (it != elems.end() && (*it)->z_index <= e->z_index)
++it;
elems.insert(it, e);
}
for (HudElement *e : elems) {
v2s32 pos(floor(e->pos.X * (float) m_screensize.X + 0.5),
floor(e->pos.Y * (float) m_screensize.Y + 0.5));
switch (e->type) {
case HUD_ELEM_TEXT: {
unsigned int font_size = g_fontengine->getDefaultFontSize();
if (e->size.X > 0)
font_size *= e->size.X;
#ifdef __ANDROID__
// The text size on Android is not proportional with the actual scaling
// FIXME: why do we have such a weird unportable hack??
if (font_size > 3 && e->offset.X < -20)
font_size -= 3;
#endif
auto textfont = g_fontengine->getFont(FontSpec(font_size,
(e->style & HUD_STYLE_MONO) ? FM_Mono : FM_Unspecified,
e->style & HUD_STYLE_BOLD, e->style & HUD_STYLE_ITALIC));
video::SColor color(255, (e->number >> 16) & 0xFF,
(e->number >> 8) & 0xFF,
(e->number >> 0) & 0xFF);
std::wstring text = unescape_translate(utf8_to_wide(e->text));
core::dimension2d<u32> textsize = textfont->getDimension(text.c_str());
v2s32 offset(0, (e->align.Y - 1.0) * (textsize.Height / 2));
core::rect<s32> size(0, 0, e->scale.X * m_scale_factor,
text_height * e->scale.Y * m_scale_factor);
v2s32 offs(e->offset.X * m_scale_factor,
e->offset.Y * m_scale_factor);
std::wstringstream wss(text);
std::wstring line;
while (std::getline(wss, line, L'\n'))
{
core::dimension2d<u32> linesize = textfont->getDimension(line.c_str());
v2s32 line_offset((e->align.X - 1.0) * (linesize.Width / 2), 0);
textfont->draw(line.c_str(), size + pos + offset + offs + line_offset, color);
offset.Y += linesize.Height;
}
break; }
case HUD_ELEM_STATBAR: {
v2s32 offs(e->offset.X, e->offset.Y);
drawStatbar(pos, HUD_CORNER_UPPER, e->dir, e->text, e->text2,
e->number, e->item, offs, e->size);
break; }
case HUD_ELEM_INVENTORY: {
InventoryList *inv = inventory->getList(e->text);
if (!inv)
warningstream << "HUD: Unknown inventory list. name=" << e->text << std::endl;
drawItems(pos, v2s32(e->offset.X, e->offset.Y), e->number, 0,
inv, e->item, e->dir);
break; }
case HUD_ELEM_WAYPOINT: {
if (!calculateScreenPos(camera_offset, e, &pos))
break;
v3f p_pos = player->getPosition() / BS;
pos += v2s32(e->offset.X, e->offset.Y);
video::SColor color(255, (e->number >> 16) & 0xFF,
(e->number >> 8) & 0xFF,
(e->number >> 0) & 0xFF);
std::wstring text = unescape_translate(utf8_to_wide(e->name));
const std::string &unit = e->text;
// waypoints reuse the item field to store precision, item = precision + 1
u32 item = e->item;
float precision = (item == 0) ? 10.0f : (item - 1.f);
bool draw_precision = precision > 0;
core::rect<s32> bounds(0, 0, font->getDimension(text.c_str()).Width, (draw_precision ? 2:1) * text_height);
pos.Y += (e->align.Y - 1.0) * bounds.getHeight() / 2;
bounds += pos;
font->draw(text.c_str(), bounds + v2s32((e->align.X - 1.0) * bounds.getWidth() / 2, 0), color);
if (draw_precision) {
std::ostringstream os;
float distance = std::floor(precision * p_pos.getDistanceFrom(e->world_pos)) / precision;
os << distance << unit;
text = unescape_translate(utf8_to_wide(os.str()));
bounds.LowerRightCorner.X = bounds.UpperLeftCorner.X + font->getDimension(text.c_str()).Width;
font->draw(text.c_str(), bounds + v2s32((e->align.X - 1.0f) * bounds.getWidth() / 2, text_height), color);
}
break; }
case HUD_ELEM_IMAGE_WAYPOINT: {
if (!calculateScreenPos(camera_offset, e, &pos))
break;
}
case HUD_ELEM_IMAGE: {
video::ITexture *texture = tsrc->getTexture(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());
v2s32 dstsize(imgsize.Width * e->scale.X * m_scale_factor,
imgsize.Height * e->scale.Y * m_scale_factor);
if (e->scale.X < 0)
dstsize.X = m_screensize.X * (e->scale.X * -0.01);
if (e->scale.Y < 0)
dstsize.Y = m_screensize.Y * (e->scale.Y * -0.01);
v2s32 offset((e->align.X - 1.0) * dstsize.X / 2,
(e->align.Y - 1.0) * dstsize.Y / 2);
core::rect<s32> rect(0, 0, dstsize.X, dstsize.Y);
rect += pos + offset + v2s32(e->offset.X * m_scale_factor,
e->offset.Y * m_scale_factor);
draw2DImageFilterScaled(driver, texture, rect,
core::rect<s32>(core::position2d<s32>(0,0), imgsize),
NULL, colors, true);
break; }
case HUD_ELEM_COMPASS: {
video::ITexture *texture = tsrc->getTexture(e->text);
if (!texture)
continue;
// Positionning :
v2s32 dstsize(e->size.X, e->size.Y);
if (e->size.X < 0)
dstsize.X = m_screensize.X * (e->size.X * -0.01);
if (e->size.Y < 0)
dstsize.Y = m_screensize.Y * (e->size.Y * -0.01);
if (dstsize.X <= 0 || dstsize.Y <= 0)
return; // Avoid zero divides
// Angle according to camera view
v3f fore(0.f, 0.f, 1.f);
scene::ICameraSceneNode *cam = client->getSceneManager()->getActiveCamera();
cam->getAbsoluteTransformation().rotateVect(fore);
int angle = - fore.getHorizontalAngle().Y;
// Limit angle and ajust with given offset
angle = (angle + (int)e->number) % 360;
core::rect<s32> dstrect(0, 0, dstsize.X, dstsize.Y);
dstrect += pos + v2s32(
(e->align.X - 1.0) * dstsize.X / 2,
(e->align.Y - 1.0) * dstsize.Y / 2) +
v2s32(e->offset.X * m_hud_scaling, e->offset.Y * m_hud_scaling);
switch (e->dir) {
case HUD_COMPASS_ROTATE:
drawCompassRotate(e, texture, dstrect, angle);
break;
case HUD_COMPASS_ROTATE_REVERSE:
drawCompassRotate(e, texture, dstrect, -angle);
break;
case HUD_COMPASS_TRANSLATE:
drawCompassTranslate(e, texture, dstrect, angle);
break;
case HUD_COMPASS_TRANSLATE_REVERSE:
drawCompassTranslate(e, texture, dstrect, -angle);
break;
default:
break;
}
break; }
case HUD_ELEM_MINIMAP: {
if (e->size.X <= 0 || e->size.Y <= 0)
break;
if (!client->getMinimap())
break;
// Draw a minimap of size "size"
v2s32 dstsize(e->size.X * m_scale_factor,
e->size.Y * m_scale_factor);
// (no percent size as minimap would likely be anamorphosed)
v2s32 offset((e->align.X - 1.0) * dstsize.X / 2,
(e->align.Y - 1.0) * dstsize.Y / 2);
core::rect<s32> rect(0, 0, dstsize.X, dstsize.Y);
rect += pos + offset + v2s32(e->offset.X * m_scale_factor,
e->offset.Y * m_scale_factor);
client->getMinimap()->drawMinimap(rect);
break; }
default:
infostream << "Hud::drawLuaElements: ignoring drawform " << e->type
<< " due to unrecognized type" << std::endl;
}
}
}
void Hud::drawCompassTranslate(HudElement *e, video::ITexture *texture,
const core::rect<s32> &rect, int angle)
{
const video::SColor color(255, 255, 255, 255);
const video::SColor colors[] = {color, color, color, color};
// Compute source image scaling
core::dimension2di imgsize(texture->getOriginalSize());
core::rect<s32> srcrect(0, 0, imgsize.Width, imgsize.Height);
v2s32 dstsize(rect.getHeight() * e->scale.X * imgsize.Width / imgsize.Height,
rect.getHeight() * e->scale.Y);
// Avoid infinite loop
if (dstsize.X <= 0 || dstsize.Y <= 0)
return;
core::rect<s32> tgtrect(0, 0, dstsize.X, dstsize.Y);
tgtrect += v2s32(
(rect.getWidth() - dstsize.X) / 2,
(rect.getHeight() - dstsize.Y) / 2) +
rect.UpperLeftCorner;
int offset = angle * dstsize.X / 360;
tgtrect += v2s32(offset, 0);
// Repeat image as much as needed
while (tgtrect.UpperLeftCorner.X > rect.UpperLeftCorner.X)
tgtrect -= v2s32(dstsize.X, 0);
draw2DImageFilterScaled(driver, texture, tgtrect, srcrect, &rect, colors, true);
tgtrect += v2s32(dstsize.X, 0);
while (tgtrect.UpperLeftCorner.X < rect.LowerRightCorner.X) {
draw2DImageFilterScaled(driver, texture, tgtrect, srcrect, &rect, colors, true);
tgtrect += v2s32(dstsize.X, 0);
}
}
void Hud::drawCompassRotate(HudElement *e, video::ITexture *texture,
const core::rect<s32> &rect, int angle)
{
core::rect<s32> oldViewPort = driver->getViewPort();
core::matrix4 oldProjMat = driver->getTransform(video::ETS_PROJECTION);
core::matrix4 oldViewMat = driver->getTransform(video::ETS_VIEW);
core::matrix4 Matrix;
Matrix.makeIdentity();
Matrix.setRotationDegrees(v3f(0.f, 0.f, angle));
driver->setViewPort(rect);
driver->setTransform(video::ETS_PROJECTION, core::matrix4());
driver->setTransform(video::ETS_VIEW, core::matrix4());
driver->setTransform(video::ETS_WORLD, Matrix);
video::SMaterial &material = m_rotation_mesh_buffer.getMaterial();
material.TextureLayer[0].Texture = texture;
driver->setMaterial(material);
driver->drawMeshBuffer(&m_rotation_mesh_buffer);
driver->setTransform(video::ETS_WORLD, core::matrix4());
driver->setTransform(video::ETS_VIEW, oldViewMat);
driver->setTransform(video::ETS_PROJECTION, oldProjMat);
// restore the view area
driver->setViewPort(oldViewPort);
}
void Hud::drawStatbar(v2s32 pos, u16 corner, u16 drawdir,
const std::string &texture, const std::string &bgtexture,
s32 count, s32 maxcount, v2s32 offset, v2s32 size)
{
const video::SColor color(255, 255, 255, 255);
const video::SColor colors[] = {color, color, color, color};
video::ITexture *stat_texture = tsrc->getTexture(texture);
if (!stat_texture)
return;
video::ITexture *stat_texture_bg = nullptr;
if (!bgtexture.empty()) {
stat_texture_bg = tsrc->getTexture(bgtexture);
}
core::dimension2di srcd(stat_texture->getOriginalSize());
core::dimension2di dstd;
if (size == v2s32()) {
dstd = srcd;
dstd.Height *= m_scale_factor;
dstd.Width *= m_scale_factor;
offset.X *= m_scale_factor;
offset.Y *= m_scale_factor;
} else {
dstd.Height = size.Y * m_scale_factor;
dstd.Width = size.X * m_scale_factor;
offset.X *= m_scale_factor;
offset.Y *= m_scale_factor;
}
v2s32 p = pos;
if (corner & HUD_CORNER_LOWER)
p -= dstd.Height;
p += offset;
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:
// From left to right
steppos = v2s32(1, 0);
break;
}
auto calculate_clipping_rect = [] (core::dimension2di src,
v2s32 steppos) -> core::rect<s32> {
// Create basic rectangle
core::rect<s32> rect(0, 0,
src.Width - std::abs(steppos.X) * src.Width / 2,
src.Height - std::abs(steppos.Y) * src.Height / 2
);
// Move rectangle left or down
if (steppos.X == -1)
rect += v2s32(src.Width / 2, 0);
if (steppos.Y == -1)
rect += v2s32(0, src.Height / 2);
return rect;
};
// Rectangles for 1/2 the actual value to display
core::rect<s32> srchalfrect, dsthalfrect;
// Rectangles for 1/2 the "off state" texture
core::rect<s32> srchalfrect2, dsthalfrect2;
if (count % 2 == 1) {
// Need to draw halves: Calculate rectangles
srchalfrect = calculate_clipping_rect(srcd, steppos);
dsthalfrect = calculate_clipping_rect(dstd, steppos);
srchalfrect2 = calculate_clipping_rect(srcd, steppos * -1);
dsthalfrect2 = calculate_clipping_rect(dstd, steppos * -1);
}
steppos.X *= dstd.Width;
steppos.Y *= dstd.Height;
// Draw full textures
for (s32 i = 0; i < count / 2; i++) {
core::rect<s32> srcrect(0, 0, srcd.Width, srcd.Height);
core::rect<s32> dstrect(0, 0, dstd.Width, dstd.Height);
dstrect += p;
draw2DImageFilterScaled(driver, stat_texture,
dstrect, srcrect, NULL, colors, true);
p += steppos;
}
if (count % 2 == 1) {
// Draw half a texture
draw2DImageFilterScaled(driver, stat_texture,
dsthalfrect + p, srchalfrect, NULL, colors, true);
if (stat_texture_bg && maxcount > count) {
draw2DImageFilterScaled(driver, stat_texture_bg,
dsthalfrect2 + p, srchalfrect2,
NULL, colors, true);
p += steppos;
}
}
if (stat_texture_bg && maxcount > count / 2) {
// Draw "off state" textures
s32 start_offset;
if (count % 2 == 1)
start_offset = count / 2 + 1;
else
start_offset = count / 2;
for (s32 i = start_offset; i < maxcount / 2; i++) {
core::rect<s32> srcrect(0, 0, srcd.Width, srcd.Height);
core::rect<s32> dstrect(0, 0, dstd.Width, dstd.Height);
dstrect += p;
draw2DImageFilterScaled(driver, stat_texture_bg,
dstrect, srcrect,
NULL, colors, true);
p += steppos;
}
if (maxcount % 2 == 1) {
draw2DImageFilterScaled(driver, stat_texture_bg,
dsthalfrect + p, srchalfrect,
NULL, colors, true);
}
}
}
void Hud::drawHotbar(u16 playeritem) {
v2s32 centerlowerpos(m_displaycenter.X, m_screensize.Y);
InventoryList *mainlist = inventory->getList("main");
if (mainlist == NULL) {
//silently ignore this we may not be initialized completely
return;
}
s32 hotbar_itemcount = player->hud_hotbar_itemcount;
s32 width = hotbar_itemcount * (m_hotbar_imagesize + m_padding * 2);
v2s32 pos = centerlowerpos - v2s32(width / 2, m_hotbar_imagesize + m_padding * 3);
const v2u32 &window_size = RenderingEngine::getWindowSize();
if ((float) width / (float) window_size.X <=
g_settings->getFloat("hud_hotbar_max_width")) {
if (player->hud_flags & HUD_FLAG_HOTBAR_VISIBLE) {
drawItems(pos, v2s32(0, 0), hotbar_itemcount, 0, mainlist, playeritem + 1, 0);
}
} else {
pos.X += width/4;
v2s32 secondpos = pos;
pos = pos - v2s32(0, m_hotbar_imagesize + m_padding);
if (player->hud_flags & HUD_FLAG_HOTBAR_VISIBLE) {
drawItems(pos, v2s32(0, 0), hotbar_itemcount / 2, 0,
mainlist, playeritem + 1, 0);
drawItems(secondpos, v2s32(0, 0), hotbar_itemcount,
hotbar_itemcount / 2, mainlist, playeritem + 1, 0);
}
}
}
void Hud::drawCrosshair()
{
if (pointing_at_object) {
if (use_object_crosshair_image) {
video::ITexture *object_crosshair = tsrc->getTexture("object_crosshair.png");
v2u32 size = object_crosshair->getOriginalSize();
v2s32 lsize = v2s32(m_displaycenter.X - (size.X / 2),
m_displaycenter.Y - (size.Y / 2));
driver->draw2DImage(object_crosshair, lsize,
core::rect<s32>(0, 0, size.X, size.Y),
nullptr, crosshair_argb, true);
} else {
driver->draw2DLine(
m_displaycenter - v2s32(OBJECT_CROSSHAIR_LINE_SIZE,
OBJECT_CROSSHAIR_LINE_SIZE),
m_displaycenter + v2s32(OBJECT_CROSSHAIR_LINE_SIZE,
OBJECT_CROSSHAIR_LINE_SIZE), crosshair_argb);
driver->draw2DLine(
m_displaycenter + v2s32(OBJECT_CROSSHAIR_LINE_SIZE,
-OBJECT_CROSSHAIR_LINE_SIZE),
m_displaycenter + v2s32(-OBJECT_CROSSHAIR_LINE_SIZE,
OBJECT_CROSSHAIR_LINE_SIZE), crosshair_argb);
}
return;
}
if (use_crosshair_image) {
video::ITexture *crosshair = tsrc->getTexture("crosshair.png");
v2u32 size = crosshair->getOriginalSize();
v2s32 lsize = v2s32(m_displaycenter.X - (size.X / 2),
m_displaycenter.Y - (size.Y / 2));
driver->draw2DImage(crosshair, lsize,
core::rect<s32>(0, 0, size.X, size.Y),
nullptr, crosshair_argb, true);
} else {
driver->draw2DLine(m_displaycenter - v2s32(CROSSHAIR_LINE_SIZE, 0),
m_displaycenter + v2s32(CROSSHAIR_LINE_SIZE, 0), crosshair_argb);
driver->draw2DLine(m_displaycenter - v2s32(0, CROSSHAIR_LINE_SIZE),
m_displaycenter + v2s32(0, CROSSHAIR_LINE_SIZE), crosshair_argb);
}
}
void Hud::setSelectionPos(const v3f &pos, const v3s16 &camera_offset)
{
m_camera_offset = camera_offset;
m_selection_pos = pos;
m_selection_pos_with_offset = pos - intToFloat(camera_offset, BS);
}
void Hud::drawSelectionMesh()
{
if (m_mode == HIGHLIGHT_BOX) {
// Draw 3D selection boxes
video::SMaterial oldmaterial = driver->getMaterial2D();
driver->setMaterial(m_selection_material);
for (auto & selection_box : m_selection_boxes) {
aabb3f box = aabb3f(
selection_box.MinEdge + m_selection_pos_with_offset,
selection_box.MaxEdge + m_selection_pos_with_offset);
u32 r = (selectionbox_argb.getRed() *
m_selection_mesh_color.getRed() / 255);
u32 g = (selectionbox_argb.getGreen() *
m_selection_mesh_color.getGreen() / 255);
u32 b = (selectionbox_argb.getBlue() *
m_selection_mesh_color.getBlue() / 255);
driver->draw3DBox(box, video::SColor(255, r, g, b));
}
driver->setMaterial(oldmaterial);
} else if (m_mode == HIGHLIGHT_HALO && m_selection_mesh) {
// Draw selection mesh
video::SMaterial oldmaterial = driver->getMaterial2D();
driver->setMaterial(m_selection_material);
setMeshColor(m_selection_mesh, m_selection_mesh_color);
video::SColor face_color(0,
MYMIN(255, m_selection_mesh_color.getRed() * 1.5),
MYMIN(255, m_selection_mesh_color.getGreen() * 1.5),
MYMIN(255, m_selection_mesh_color.getBlue() * 1.5));
setMeshColorByNormal(m_selection_mesh, m_selected_face_normal,
face_color);
scene::IMesh* mesh = cloneMesh(m_selection_mesh);
translateMesh(mesh, m_selection_pos_with_offset);
u32 mc = m_selection_mesh->getMeshBufferCount();
for (u32 i = 0; i < mc; i++) {
scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
driver->drawMeshBuffer(buf);
}
mesh->drop();
driver->setMaterial(oldmaterial);
}
}
enum Hud::BlockBoundsMode Hud::toggleBlockBounds()
{
m_block_bounds_mode = static_cast<BlockBoundsMode>(m_block_bounds_mode + 1);
if (m_block_bounds_mode >= BLOCK_BOUNDS_MAX) {
m_block_bounds_mode = BLOCK_BOUNDS_OFF;
}
return m_block_bounds_mode;
}
void Hud::disableBlockBounds()
{
m_block_bounds_mode = BLOCK_BOUNDS_OFF;
}
void Hud::drawBlockBounds()
{
if (m_block_bounds_mode == BLOCK_BOUNDS_OFF) {
return;
}
video::SMaterial old_material = driver->getMaterial2D();
driver->setMaterial(m_selection_material);
v3s16 pos = player->getStandingNodePos();
v3s16 blockPos(
floorf((float) pos.X / MAP_BLOCKSIZE),
floorf((float) pos.Y / MAP_BLOCKSIZE),
floorf((float) pos.Z / MAP_BLOCKSIZE)
);
v3f offset = intToFloat(client->getCamera()->getOffset(), BS);
s8 radius = m_block_bounds_mode == BLOCK_BOUNDS_NEAR ? 2 : 0;
v3f halfNode = v3f(BS, BS, BS) / 2.0f;
for (s8 x = -radius; x <= radius; x++)
for (s8 y = -radius; y <= radius; y++)
for (s8 z = -radius; z <= radius; z++) {
v3s16 blockOffset(x, y, z);
aabb3f box(
intToFloat((blockPos + blockOffset) * MAP_BLOCKSIZE, BS) - offset - halfNode,
intToFloat(((blockPos + blockOffset) * MAP_BLOCKSIZE) + (MAP_BLOCKSIZE - 1), BS) - offset + halfNode
);
driver->draw3DBox(box, video::SColor(255, 255, 0, 0));
}
driver->setMaterial(old_material);
}
void Hud::updateSelectionMesh(const v3s16 &camera_offset)
{
m_camera_offset = camera_offset;
if (m_mode != HIGHLIGHT_HALO)
return;
if (m_selection_mesh) {
m_selection_mesh->drop();
m_selection_mesh = NULL;
}
if (m_selection_boxes.empty()) {
// No pointed object
return;
}
// New pointed object, create new mesh.
// Texture UV coordinates for selection boxes
static f32 texture_uv[24] = {
0,0,1,1,
0,0,1,1,
0,0,1,1,
0,0,1,1,
0,0,1,1,
0,0,1,1
};
// Use single halo box instead of multiple overlapping boxes.
// Temporary solution - problem can be solved with multiple
// rendering targets, or some method to remove inner surfaces.
// Thats because of halo transparency.
aabb3f halo_box(100.0, 100.0, 100.0, -100.0, -100.0, -100.0);
m_halo_boxes.clear();
for (const auto &selection_box : m_selection_boxes) {
halo_box.addInternalBox(selection_box);
}
m_halo_boxes.push_back(halo_box);
m_selection_mesh = convertNodeboxesToMesh(
m_halo_boxes, texture_uv, 0.5);
}
void Hud::resizeHotbar() {
const v2u32 &window_size = RenderingEngine::getWindowSize();
if (m_screensize != window_size) {
m_hotbar_imagesize = floor(HOTBAR_IMAGE_SIZE *
RenderingEngine::getDisplayDensity() + 0.5);
m_hotbar_imagesize *= m_hud_scaling;
m_padding = m_hotbar_imagesize / 12;
m_screensize = window_size;
m_displaycenter = v2s32(m_screensize.X/2,m_screensize.Y/2);
}
}
struct MeshTimeInfo {
u64 time;
scene::IMesh *mesh = nullptr;
};
void drawItemStack(
video::IVideoDriver *driver,
gui::IGUIFont *font,
const ItemStack &item,
const core::rect<s32> &rect,
const core::rect<s32> *clip,
Client *client,
ItemRotationKind rotation_kind,
const v3s16 &angle,
const v3s16 &rotation_speed)
{
static MeshTimeInfo rotation_time_infos[IT_ROT_NONE];
if (item.empty()) {