src/client/clouds.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #pragma once
  21
  22 #include "irrlichttypes_extrabloated.h"
  23 #include <iostream>
  24 #include "constants.h"
  25 #include "cloudparams.h"
  26
  27 // Menu clouds
  28 class Clouds;
  29 extern Clouds *g_menuclouds;
  30
  31 // Scene manager used for menu clouds
  32 namespace irr{namespace scene{class ISceneManager;}}
  33 extern irr::scene::ISceneManager *g_menucloudsmgr;
  34
  35 class Clouds : public scene::ISceneNode
  36 {
  37 public:
  38         Clouds(scene::ISceneManager* mgr,
  39                         s32 id,
  40                         u32 seed
  41         );
  42
  43         ~Clouds();
  44
  45         /*
  46                 ISceneNode methods
  47         */
  48
  49         virtual void OnRegisterSceneNode();
  50
  51         virtual void render();
  52
  53         virtual const aabb3f &getBoundingBox() const
  54         {
  55                 return m_box;
  56         }
  57
  58         virtual u32 getMaterialCount() const
  59         {
  60                 return 1;
  61         }
  62
  63         virtual video::SMaterial& getMaterial(u32 i)
  64         {
  65                 return m_material;
  66         }
  67
  68         /*
  69                 Other stuff
  70         */
  71
  72         void step(float dtime);
  73
  74         void update(const v3f &camera_p, const video::SColorf &color);
  75
  76         void updateCameraOffset(const v3s16 &camera_offset)
  77         {
  78                 m_camera_offset = camera_offset;
  79                 updateBox();
  80         }
  81
  82         void readSettings();
  83
  84         void setDensity(float density)
  85         {
  86                 m_params.density = density;
  87                 // currently does not need bounding
  88         }
  89
  90         void setColorBright(const video::SColor &color_bright)
  91         {
  92                 m_params.color_bright = color_bright;
  93         }
  94
  95         void setColorAmbient(const video::SColor &color_ambient)
  96         {
  97                 m_params.color_ambient = color_ambient;
  98         }
  99
 100         void setHeight(float height)
 101         {
 102                 m_params.height = height; // add bounding when necessary
 103                 updateBox();
 104         }
 105
 106         void setSpeed(v2f speed)
 107         {
 108                 m_params.speed = speed;
 109         }
 110
 111         void setThickness(float thickness)
 112         {
 113                 m_params.thickness = thickness;
 114                 updateBox();
 115         }
 116
 117         bool isCameraInsideCloud() const { return m_camera_inside_cloud; }
 118
 119         const video::SColor getColor() const { return m_color.toSColor(); }
 120
 121 private:
 122         void updateBox()
 123         {
 124                 float height_bs    = m_params.height    * BS;
 125                 float thickness_bs = m_params.thickness * BS;
 126                 m_box = aabb3f(-BS * 1000000.0f, height_bs - BS * m_camera_offset.Y, -BS * 1000000.0f,
 127                                 BS * 1000000.0f, height_bs + thickness_bs - BS * m_camera_offset.Y, BS * 1000000.0f);
 128         }
 129
 130         bool gridFilled(int x, int y) const;
 131
 132         video::SMaterial m_material;
 133         aabb3f m_box;
 134         u16 m_cloud_radius_i;
 135         bool m_enable_3d;
 136         u32 m_seed;
 137         v3f m_camera_pos;
 138         v2f m_origin;
 139         v3s16 m_camera_offset;
 140         video::SColorf m_color = video::SColorf(1.0f, 1.0f, 1.0f, 1.0f);
 141         CloudParams m_params;
 142         bool m_camera_inside_cloud = false;
 143
 144 };