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