Line data    Source code

       1             : /* Copyright (C) 2021 Wildfire Games.
       2             :  * This file is part of 0 A.D.
       3             :  *
       4             :  * 0 A.D. is free software: you can redistribute it and/or modify
       5             :  * it under the terms of the GNU General Public License as published by
       6             :  * the Free Software Foundation, either version 2 of the License, or
       7             :  * (at your option) any later version.
       8             :  *
       9             :  * 0 A.D. is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             :  * GNU General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU General Public License
      15             :  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
      16             :  */
      17             : 
      18             : #include "precompiled.h"
      19             : 
      20             : #include "graphics/LightEnv.h"
      21             : 
      22             : #include "maths/MathUtil.h"
      23             : 
      24             : 
      25           1 : CLightEnv::CLightEnv()
      26             :     : m_Elevation(DEGTORAD(45)),
      27             :     m_Rotation(DEGTORAD(315)),
      28             :     m_SunColor(1.5, 1.5, 1.5),
      29             :     m_AmbientColor(0x50/255.f, 0x60/255.f, 0x85/255.f),
      30             :     m_FogColor(0xCC/255.f, 0xCC/255.f, 0xE5/255.f),
      31             :     m_FogFactor(0.000f),
      32             :     m_FogMax(0.5f),
      33           1 :     m_Brightness(0.0f), m_Contrast(1.0f), m_Saturation(0.99f), m_Bloom(0.1999f)
      34             : {
      35           1 :     CalculateSunDirection();
      36           1 : }
      37             : 
      38           0 : void CLightEnv::SetElevation(float f)
      39             : {
      40           0 :     m_Elevation = f;
      41           0 :     CalculateSunDirection();
      42           0 : }
      43             : 
      44           0 : void CLightEnv::SetRotation(float f)
      45             : {
      46           0 :     m_Rotation = f;
      47           0 :     CalculateSunDirection();
      48           0 : }
      49             : 
      50           1 : void CLightEnv::CalculateSunDirection()
      51             : {
      52           1 :     m_SunDir.Y = -sinf(m_Elevation);
      53           1 :     float scale = 1 + m_SunDir.Y;
      54           1 :     m_SunDir.X = scale * sinf(m_Rotation);
      55           1 :     m_SunDir.Z = scale * cosf(m_Rotation);
      56           1 :     m_SunDir.Normalize();
      57           4 : }