]> git.lizzy.rs Git - minetest.git/blobdiff - src/hud.cpp
Add z-index management to HUD
[minetest.git] / src / hud.cpp
index 750755649c29cc580fb59870ae93a5b02d42d69d..7711e3a4a143368bf1fbf4a25ab5af10507f65ab 100644 (file)
@@ -1,8 +1,6 @@
 /*
 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>
+Copyright (C) 2010-2018 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 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
@@ -20,491 +18,44 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "hud.h"
-#include "main.h"
-#include "settings.h"
-#include "util/numeric.h"
-#include "log.h"
-#include "gamedef.h"
-#include "itemdef.h"
-#include "inventory.h"
-#include "tile.h"
-#include "localplayer.h"
-#include "camera.h"
+#include <cmath>
 
-#include <IGUIStaticText.h>
-
-
-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;
-       this->gamedef     = gamedef;
-       this->player      = player;
-       this->inventory   = inventory;
-       
-       screensize       = v2u32(0, 0);
-       displaycenter    = v2s32(0, 0);
-       hotbar_imagesize = 48;
-       
-       tsrc = gamedef->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");
-
-       hotbar_image = "";
-       use_hotbar_image = false;
-       hotbar_selected_image = "";
-       use_hotbar_selected_image = false;
-}
-
-
-//NOTE: selectitem = 0 -> no selected; selectitem 1-based
-void Hud::drawItem(v2s32 upperleftpos, s32 imgsize, s32 itemcount,
-               InventoryList *mainlist, u16 selectitem, u16 direction)
+const struct EnumString es_HudElementType[] =
 {
-       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);
-       const video::SColor hbar_color(255, 255, 255, 255);
-       const video::SColor hbar_colors[] = {hbar_color, hbar_color, hbar_color, hbar_color};
-
-       if (hotbar_image != player->hotbar_image) {
-               hotbar_image = player->hotbar_image;
-               if (hotbar_image != "")
-                       use_hotbar_image = tsrc->isKnownSourceImage(hotbar_image);
-               else
-                       use_hotbar_image = false;
-       }
-
-       if (hotbar_selected_image != player->hotbar_selected_image) {
-               hotbar_selected_image = player->hotbar_selected_image;
-               if (hotbar_selected_image != "")
-                       use_hotbar_selected_image = tsrc->isKnownSourceImage(hotbar_selected_image);
-               else
-                       use_hotbar_selected_image = false;
-       }
-
-       if (use_hotbar_image) {
-               core::rect<s32> imgrect2(-padding/2, -padding/2, width+padding/2, height+padding/2);
-               core::rect<s32> rect2 = imgrect2 + pos;
-               video::ITexture *texture = tsrc->getTexture(hotbar_image);
-               core::dimension2di imgsize(texture->getOriginalSize());
-               driver->draw2DImage(texture, rect2,
-                       core::rect<s32>(core::position2d<s32>(0,0), imgsize),
-                       NULL, hbar_colors, true);
-       }
-
-       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) {
-                       if (use_hotbar_selected_image) {
-                               core::rect<s32> imgrect2(-padding*2, -padding*2, height, height);
-                               rect = imgrect2 + pos + steppos;
-                               video::ITexture *texture = tsrc->getTexture(hotbar_selected_image);
-                               core::dimension2di imgsize(texture->getOriginalSize());
-                               driver->draw2DImage(texture, rect,
-                                       core::rect<s32>(core::position2d<s32>(0,0), imgsize),
-                                       NULL, hbar_colors, true);
-                               rect = imgrect + pos + steppos;
-                       } else {
-                               rect = imgrect + pos + steppos;
-                               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);
-               if (!use_hotbar_image)
-                       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 = 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,
-                                             imgsize.Height * e->scale.Y);
-                               if (e->scale.X < 0)
-                                       dstsize.X = screensize.X * (e->scale.X * -0.01);
-                               if (e->scale.Y < 0)
-                                       dstsize.Y = 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, e->offset.Y);
-                               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));
-                               v2s32 offs(e->offset.X, e->offset.Y);
-                               font->draw(text.c_str(), size + pos + offset + offs, color);
-                               break; }
-                       case HUD_ELEM_STATBAR: {
-                               v2s32 offs(e->offset.X, e->offset.Y);
-                               drawStatbar(pos, HUD_CORNER_UPPER, e->dir, e->text, e->number, offs);
-                               break; }
-                       case HUD_ELEM_INVENTORY: {
-                               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;
-               }
-       }
-}
-
-
-void Hud::drawStatbar(v2s32 pos, u16 corner, u16 drawdir, std::string texture, s32 count, v2s32 offset) {
-       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;
-               
-       core::dimension2di srcd(stat_texture->getOriginalSize());
-
-       v2s32 p = pos;
-       if (corner & HUD_CORNER_LOWER)
-               p -= srcd.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:
-                       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, s32 breath) {
-       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 padding = hotbar_imagesize / 12;
-       s32 width = hotbar_itemcount * (hotbar_imagesize + padding * 2);
-       v2s32 pos = centerlowerpos - v2s32(width / 2, hotbar_imagesize + padding * 3);
-       
-       if (player->hud_flags & HUD_FLAG_HOTBAR_VISIBLE)
-               drawItem(pos, hotbar_imagesize, hotbar_itemcount, mainlist, playeritem + 1, 0);
-       if (player->hud_flags & HUD_FLAG_HEALTHBAR_VISIBLE)
-               drawStatbar(pos - v2s32(0, 4), HUD_CORNER_LOWER, HUD_DIR_LEFT_RIGHT,
-                               "heart.png", halfheartcount, v2s32(0, 0));
-       if (player->hud_flags & HUD_FLAG_BREATHBAR_VISIBLE && breath <= 10)
-               drawStatbar(pos - v2s32(-180, 4), HUD_CORNER_LOWER, HUD_DIR_LEFT_RIGHT,
-                               "bubble.png", breath*2, v2s32(0, 0));
-}
-
-
-void Hud::drawCrosshair() {
-       if (!(player->hud_flags & HUD_FLAG_CROSSHAIR_VISIBLE) ||
-               player->camera_mode == CAMERA_MODE_THIRD_FRONT)
-               return;
-               
-       if (use_crosshair_image) {
-               video::ITexture *crosshair = tsrc->getTexture("crosshair.png");
-               v2u32 size  = crosshair->getOriginalSize();
-               v2s32 lsize = v2s32(displaycenter.X - (size.X / 2),
-                                                       displaycenter.Y - (size.Y / 2));
-               driver->draw2DImage(crosshair, lsize,
-                               core::rect<s32>(0, 0, size.X, size.Y),
-                               0, crosshair_argb, true);
-       } else {
-               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;
-}
-
-void drawItemStack(video::IVideoDriver *driver,
-               gui::IGUIFont *font,
-               const ItemStack &item,
-               const core::rect<s32> &rect,
-               const core::rect<s32> *clip,
-               IGameDef *gamedef)
+       {HUD_ELEM_IMAGE,     "image"},
+       {HUD_ELEM_TEXT,      "text"},
+       {HUD_ELEM_STATBAR,   "statbar"},
+       {HUD_ELEM_INVENTORY, "inventory"},
+       {HUD_ELEM_WAYPOINT,  "waypoint"},
+       {0, NULL},
+};
+
+const struct EnumString es_HudElementStat[] =
 {
-       if(item.empty())
-               return;
-       
-       const ItemDefinition &def = item.getDefinition(gamedef->idef());
-       video::ITexture *texture = gamedef->idef()->getInventoryTexture(def.name, gamedef);
-
-       // Draw the inventory texture
-       if(texture != NULL)
-       {
-               const video::SColor color(255,255,255,255);
-               const video::SColor colors[] = {color,color,color,color};
-               driver->draw2DImage(texture, rect,
-                       core::rect<s32>(core::position2d<s32>(0,0),
-                       core::dimension2di(texture->getOriginalSize())),
-                       clip, colors, true);
-       }
-
-       if(def.type == ITEM_TOOL && item.wear != 0)
-       {
-               // Draw a progressbar
-               float barheight = rect.getHeight()/16;
-               float barpad_x = rect.getWidth()/16;
-               float barpad_y = rect.getHeight()/16;
-               core::rect<s32> progressrect(
-                       rect.UpperLeftCorner.X + barpad_x,
-                       rect.LowerRightCorner.Y - barpad_y - barheight,
-                       rect.LowerRightCorner.X - barpad_x,
-                       rect.LowerRightCorner.Y - barpad_y);
-
-               // Shrink progressrect by amount of tool damage
-               float wear = item.wear / 65535.0;
-               int progressmid =
-                       wear * progressrect.UpperLeftCorner.X +
-                       (1-wear) * progressrect.LowerRightCorner.X;
-
-               // Compute progressbar color
-               //   wear = 0.0: green
-               //   wear = 0.5: yellow
-               //   wear = 1.0: red
-               video::SColor color(255,255,255,255);
-               int wear_i = MYMIN(floor(wear * 600), 511);
-               wear_i = MYMIN(wear_i + 10, 511);
-               if(wear_i <= 255)
-                       color.set(255, wear_i, 255, 0);
-               else
-                       color.set(255, 255, 511-wear_i, 0);
-
-               core::rect<s32> progressrect2 = progressrect;
-               progressrect2.LowerRightCorner.X = progressmid;
-               driver->draw2DRectangle(color, progressrect2, clip);
-
-               color = video::SColor(255,0,0,0);
-               progressrect2 = progressrect;
-               progressrect2.UpperLeftCorner.X = progressmid;
-               driver->draw2DRectangle(color, progressrect2, clip);
-       }
-
-       if(font != NULL && item.count >= 2)
-       {
-               // Get the item count as a string
-               std::string text = itos(item.count);
-               v2u32 dim = font->getDimension(narrow_to_wide(text).c_str());
-               v2s32 sdim(dim.X,dim.Y);
-
-               core::rect<s32> rect2(
-                       /*rect.UpperLeftCorner,
-                       core::dimension2d<u32>(rect.getWidth(), 15)*/
-                       rect.LowerRightCorner - sdim,
-                       sdim
-               );
-
-               video::SColor bgcolor(128,0,0,0);
-               driver->draw2DRectangle(bgcolor, rect2, clip);
-
-               video::SColor color(255,255,255,255);
-               font->draw(text.c_str(), rect2, color, false, false, clip);
-       }
-}
+       {HUD_STAT_POS,    "position"},
+       {HUD_STAT_POS,    "pos"}, /* Deprecated, only for compatibility's sake */
+       {HUD_STAT_NAME,   "name"},
+       {HUD_STAT_SCALE,  "scale"},
+       {HUD_STAT_TEXT,   "text"},
+       {HUD_STAT_NUMBER, "number"},
+       {HUD_STAT_ITEM,   "item"},
+       {HUD_STAT_DIR,    "direction"},
+       {HUD_STAT_ALIGN,  "alignment"},
+       {HUD_STAT_OFFSET, "offset"},
+       {HUD_STAT_WORLD_POS, "world_pos"},
+       {HUD_STAT_SIZE,    "size"},
+       {HUD_STAT_Z_INDEX, "z_index"},
+       {0, NULL},
+};
+
+const struct EnumString es_HudBuiltinElement[] =
+{
+       {HUD_FLAG_HOTBAR_VISIBLE,        "hotbar"},
+       {HUD_FLAG_HEALTHBAR_VISIBLE,     "healthbar"},
+       {HUD_FLAG_CROSSHAIR_VISIBLE,     "crosshair"},
+       {HUD_FLAG_WIELDITEM_VISIBLE,     "wielditem"},
+       {HUD_FLAG_BREATHBAR_VISIBLE,     "breathbar"},
+       {HUD_FLAG_MINIMAP_VISIBLE,       "minimap"},
+       {HUD_FLAG_MINIMAP_RADAR_VISIBLE, "minimap_radar"},
+       {0, NULL},
+};