src/client/hud.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
   4 Copyright (C) 2017 red-001 <red-001@outlook.ie>
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU Lesser General Public License as published by
   8 the Free Software Foundation; either version 2.1 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 #ifndef CLIENT_HUD_HEADER
  22 #define CLIENT_HUD_HEADER
  23
  24 #include <vector>
  25 #include <IGUIFont.h>
  26 #include "irr_aabb3d.h"
  27 #include "../hud.h"
  28
  29 class Client;
  30 class ITextureSource;
  31 class Inventory;
  32 class InventoryList;
  33 class LocalPlayer;
  34 struct ItemStack;
  35
  36 class Hud
  37 {
  38 public:
  39         video::IVideoDriver *driver;
  40         scene::ISceneManager *smgr;
  41         gui::IGUIEnvironment *guienv;
  42         Client *client;
  43         LocalPlayer *player;
  44         Inventory *inventory;
  45         ITextureSource *tsrc;
  46
  47         video::SColor crosshair_argb;
  48         video::SColor selectionbox_argb;
  49         bool use_crosshair_image = false;
  50         std::string hotbar_image = "";
  51         bool use_hotbar_image = false;
  52         std::string hotbar_selected_image = "";
  53         bool use_hotbar_selected_image = false;
  54
  55         Hud(gui::IGUIEnvironment *guienv, Client *client, LocalPlayer *player,
  56                         Inventory *inventory);
  57         ~Hud();
  58
  59         void drawHotbar(u16 playeritem);
  60         void resizeHotbar();
  61         void drawCrosshair();
  62         void drawSelectionMesh();
  63         void updateSelectionMesh(const v3s16 &camera_offset);
  64
  65         std::vector<aabb3f> *getSelectionBoxes() { return &m_selection_boxes; }
  66
  67         void setSelectionPos(const v3f &pos, const v3s16 &camera_offset);
  68
  69         v3f getSelectionPos() const { return m_selection_pos; }
  70
  71         void setSelectionMeshColor(const video::SColor &color)
  72         {
  73                 m_selection_mesh_color = color;
  74         }
  75
  76         void setSelectedFaceNormal(const v3f &face_normal)
  77         {
  78                 m_selected_face_normal = face_normal;
  79         }
  80
  81         void drawLuaElements(const v3s16 &camera_offset);
  82
  83 private:
  84         bool calculateScreenPos(const v3s16 &camera_offset, HudElement *e, v2s32 *pos);
  85         void drawStatbar(v2s32 pos, u16 corner, u16 drawdir, const std::string &texture,
  86                         s32 count, v2s32 offset, v2s32 size = v2s32());
  87
  88         void drawItems(v2s32 upperleftpos, v2s32 screen_offset, s32 itemcount,
  89                         s32 inv_offset, InventoryList *mainlist, u16 selectitem,
  90                         u16 direction);
  91
  92         void drawItem(const ItemStack &item, const core::rect<s32> &rect, bool selected);
  93
  94         float m_hud_scaling; // cached minetest setting
  95         v3s16 m_camera_offset;
  96         v2u32 m_screensize;
  97         v2s32 m_displaycenter;
  98         s32 m_hotbar_imagesize; // Takes hud_scaling into account, updated by resizeHotbar()
  99         s32 m_padding; // Takes hud_scaling into account, updated by resizeHotbar()
 100         video::SColor hbar_colors[4];
 101
 102         std::vector<aabb3f> m_selection_boxes;
 103         std::vector<aabb3f> m_halo_boxes;
 104         v3f m_selection_pos;
 105         v3f m_selection_pos_with_offset;
 106
 107         scene::IMesh *m_selection_mesh = nullptr;
 108         video::SColor m_selection_mesh_color;
 109         v3f m_selected_face_normal;
 110
 111         video::SMaterial m_selection_material;
 112
 113         enum
 114         {
 115                 HIGHLIGHT_BOX,
 116                 HIGHLIGHT_HALO,
 117                 HIGHLIGHT_NONE
 118         } m_mode;
 119 };
 120
 121 enum ItemRotationKind
 122 {
 123         IT_ROT_SELECTED,
 124         IT_ROT_HOVERED,
 125         IT_ROT_DRAGGED,
 126         IT_ROT_OTHER,
 127         IT_ROT_NONE, // Must be last, also serves as number
 128 };
 129
 130 void drawItemStack(video::IVideoDriver *driver,
 131                 gui::IGUIFont *font,
 132                 const ItemStack &item,
 133                 const core::rect<s32> &rect,
 134                 const core::rect<s32> *clip,
 135                 Client *client,
 136                 ItemRotationKind rotation_kind);
 137
 138 void drawItemStack(
 139                 video::IVideoDriver *driver,
 140                 gui::IGUIFont *font,
 141                 const ItemStack &item,
 142                 const core::rect<s32> &rect,
 143                 const core::rect<s32> *clip,
 144                 Client *client,
 145                 ItemRotationKind rotation_kind,
 146                 const v3s16 &angle,
 147                 const v3s16 &rotation_speed);
 148
 149 #endif