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 #pragma once
  22
  23 #include <vector>
  24 #include <IGUIFont.h>
  25 #include "irr_aabb3d.h"
  26 #include "../hud.h"
  27
  28 class Client;
  29 class ITextureSource;
  30 class Inventory;
  31 class InventoryList;
  32 class LocalPlayer;
  33 struct ItemStack;
  34
  35 class Hud
  36 {
  37 public:
  38         enum BlockBoundsMode
  39         {
  40                 BLOCK_BOUNDS_OFF,
  41                 BLOCK_BOUNDS_CURRENT,
  42                 BLOCK_BOUNDS_NEAR,
  43                 BLOCK_BOUNDS_MAX
  44         } m_block_bounds_mode = BLOCK_BOUNDS_OFF;
  45
  46         video::SColor crosshair_argb;
  47         video::SColor selectionbox_argb;
  48
  49         bool use_crosshair_image = false;
  50         bool use_object_crosshair_image = false;
  51         std::string hotbar_image = "";
  52         bool use_hotbar_image = false;
  53         std::string hotbar_selected_image = "";
  54         bool use_hotbar_selected_image = false;
  55
  56         bool pointing_at_object = false;
  57
  58         Hud(Client *client, LocalPlayer *player,
  59                         Inventory *inventory);
  60         ~Hud();
  61
  62         enum BlockBoundsMode toggleBlockBounds();
  63         void disableBlockBounds();
  64         void drawBlockBounds();
  65
  66         void drawHotbar(u16 playeritem);
  67         void resizeHotbar();
  68         void drawCrosshair();
  69         void drawSelectionMesh();
  70         void updateSelectionMesh(const v3s16 &camera_offset);
  71
  72         std::vector<aabb3f> *getSelectionBoxes() { return &m_selection_boxes; }
  73
  74         void setSelectionPos(const v3f &pos, const v3s16 &camera_offset);
  75
  76         v3f getSelectionPos() const { return m_selection_pos; }
  77
  78         void setSelectionMeshColor(const video::SColor &color)
  79         {
  80                 m_selection_mesh_color = color;
  81         }
  82
  83         void setSelectedFaceNormal(const v3f &face_normal)
  84         {
  85                 m_selected_face_normal = face_normal;
  86         }
  87
  88         bool hasElementOfType(HudElementType type);
  89
  90         void drawLuaElements(const v3s16 &camera_offset);
  91
  92 private:
  93         bool calculateScreenPos(const v3s16 &camera_offset, HudElement *e, v2s32 *pos);
  94         void drawStatbar(v2s32 pos, u16 corner, u16 drawdir,
  95                         const std::string &texture, const std::string& bgtexture,
  96                         s32 count, s32 maxcount, v2s32 offset, v2s32 size = v2s32());
  97
  98         void drawItems(v2s32 upperleftpos, v2s32 screen_offset, s32 itemcount,
  99                         s32 inv_offset, InventoryList *mainlist, u16 selectitem,
 100                         u16 direction);
 101
 102         void drawItem(const ItemStack &item, const core::rect<s32> &rect, bool selected);
 103
 104         void drawCompassTranslate(HudElement *e, video::ITexture *texture,
 105                         const core::rect<s32> &rect, int way);
 106
 107         void drawCompassRotate(HudElement *e, video::ITexture *texture,
 108                         const core::rect<s32> &rect, int way);
 109
 110         Client *client = nullptr;
 111         video::IVideoDriver *driver = nullptr;
 112         LocalPlayer *player = nullptr;
 113         Inventory *inventory = nullptr;
 114         ITextureSource *tsrc = nullptr;
 115
 116         float m_hud_scaling; // cached minetest setting
 117         float m_scale_factor;
 118         v3s16 m_camera_offset;
 119         v2u32 m_screensize;
 120         v2s32 m_displaycenter;
 121         s32 m_hotbar_imagesize; // Takes hud_scaling into account, updated by resizeHotbar()
 122         s32 m_padding; // Takes hud_scaling into account, updated by resizeHotbar()
 123         video::SColor hbar_colors[4];
 124
 125         std::vector<aabb3f> m_selection_boxes;
 126         std::vector<aabb3f> m_halo_boxes;
 127         v3f m_selection_pos;
 128         v3f m_selection_pos_with_offset;
 129
 130         scene::IMesh *m_selection_mesh = nullptr;
 131         video::SColor m_selection_mesh_color;
 132         v3f m_selected_face_normal;
 133
 134         video::SMaterial m_selection_material;
 135
 136         scene::SMeshBuffer m_rotation_mesh_buffer;
 137
 138         enum
 139         {
 140                 HIGHLIGHT_BOX,
 141                 HIGHLIGHT_HALO,
 142                 HIGHLIGHT_NONE
 143         } m_mode;
 144 };
 145
 146 enum ItemRotationKind
 147 {
 148         IT_ROT_SELECTED,
 149         IT_ROT_HOVERED,
 150         IT_ROT_DRAGGED,
 151         IT_ROT_OTHER,
 152         IT_ROT_NONE, // Must be last, also serves as number
 153 };
 154
 155 void drawItemStack(video::IVideoDriver *driver,
 156                 gui::IGUIFont *font,
 157                 const ItemStack &item,
 158                 const core::rect<s32> &rect,
 159                 const core::rect<s32> *clip,
 160                 Client *client,
 161                 ItemRotationKind rotation_kind);
 162
 163 void drawItemStack(
 164                 video::IVideoDriver *driver,
 165                 gui::IGUIFont *font,
 166                 const ItemStack &item,
 167                 const core::rect<s32> &rect,
 168                 const core::rect<s32> *clip,
 169                 Client *client,
 170                 ItemRotationKind rotation_kind,
 171                 const v3s16 &angle,
 172                 const v3s16 &rotation_speed);
 173