source/graphics/CinemaManager.cpp

   1 /* Copyright (C) 2022 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/CinemaManager.h"
  21
  22 #include "graphics/Camera.h"
  23 #include "graphics/Color.h"
  24 #include "graphics/GameView.h"
  25 #include "maths/MathUtil.h"
  26 #include "maths/Quaternion.h"
  27 #include "maths/Vector3D.h"
  28 #include "maths/Vector4D.h"
  29 #include "ps/CLogger.h"
  30 #include "ps/ConfigDB.h"
  31 #include "ps/CStr.h"
  32 #include "ps/Game.h"
  33 #include "ps/GameSetup/Config.h"
  34 #include "ps/Hotkey.h"
  35 #include "ps/World.h"
  36 #include "renderer/DebugRenderer.h"
  37 #include "renderer/Renderer.h"
  38 #include "simulation2/components/ICmpCinemaManager.h"
  39 #include "simulation2/components/ICmpOverlayRenderer.h"
  40 #include "simulation2/components/ICmpRangeManager.h"
  41 #include "simulation2/components/ICmpSelectable.h"
  42 #include "simulation2/components/ICmpTerritoryManager.h"
  43 #include "simulation2/helpers/CinemaPath.h"
  44 #include "simulation2/MessageTypes.h"
  45 #include "simulation2/system/ComponentManager.h"
  46 #include "simulation2/Simulation2.h"
  47
  48 CCinemaManager::CCinemaManager()
  49         : m_DrawPaths(false)
  50 {
  51 }
  52
  53 void CCinemaManager::Update(const float deltaRealTime) const
  54 {
  55         CmpPtr<ICmpCinemaManager> cmpCinemaManager(g_Game->GetSimulation2()->GetSimContext().GetSystemEntity());
  56         if (!cmpCinemaManager)
  57                 return;
  58
  59         if (IsPlaying())
  60                 cmpCinemaManager->PlayQueue(deltaRealTime, g_Game->GetView()->GetCamera());
  61 }
  62
  63 void CCinemaManager::Render() const
  64 {
  65         if (!IsEnabled() && m_DrawPaths)
  66                 DrawPaths();
  67 }
  68
  69 void CCinemaManager::DrawPaths() const
  70 {
  71         CmpPtr<ICmpCinemaManager> cmpCinemaManager(g_Game->GetSimulation2()->GetSimContext().GetSystemEntity());
  72         if (!cmpCinemaManager)
  73                 return;
  74
  75         for (const std::pair<const CStrW, CCinemaPath>& p : cmpCinemaManager->GetPaths())
  76         {
  77                 DrawSpline(p.second, CColor(0.2f, 0.2f, 1.f, 0.9f), 128);
  78                 DrawNodes(p.second, CColor(0.1f, 1.f, 0.f, 1.f));
  79
  80                 if (p.second.GetTargetSpline().GetAllNodes().empty())
  81                         continue;
  82
  83                 DrawSpline(p.second.GetTargetSpline(), CColor(1.f, 0.3f, 0.4f, 0.9f), 128);
  84                 DrawNodes(p.second.GetTargetSpline(), CColor(1.f, 0.1f, 0.f, 1.f));
  85         }
  86 }
  87
  88 void CCinemaManager::DrawSpline(const RNSpline& spline, const CColor& splineColor, int smoothness) const
  89 {
  90         if (spline.GetAllNodes().size() < 2)
  91                 return;
  92         if (spline.GetAllNodes().size() == 2)
  93                 smoothness = 2;
  94
  95         const float start = spline.MaxDistance.ToFloat() / smoothness;
  96
  97         std::vector<CVector3D> line;
  98         for (int i = 0; i <= smoothness; ++i)
  99         {
 100                 const float time = start * i / spline.MaxDistance.ToFloat();
 101                 line.emplace_back(spline.GetPosition(time));
 102         }
 103         g_Renderer.GetDebugRenderer().DrawLine(line, splineColor, 0.2f, false);
 104
 105         // Height indicator
 106         if (g_Game && g_Game->GetWorld() && g_Game->GetWorld()->GetTerrain())
 107         {
 108                 for (int i = 0; i <= smoothness; ++i)
 109                 {
 110                         const float time = start * i / spline.MaxDistance.ToFloat();
 111                         const CVector3D tmp = spline.GetPosition(time);
 112                         const float groundY = g_Game->GetWorld()->GetTerrain()->GetExactGroundLevel(tmp.X, tmp.Z);
 113                         g_Renderer.GetDebugRenderer().DrawLine(tmp, CVector3D(tmp.X, groundY, tmp.Z), splineColor, 0.1f, false);
 114                 }
 115         }
 116 }
 117
 118 void CCinemaManager::DrawNodes(const RNSpline& spline, const CColor& nodeColor) const
 119 {
 120         for (const SplineData& node : spline.GetAllNodes())
 121         {
 122                 g_Renderer.GetDebugRenderer().DrawCircle(
 123                         CVector3D(node.Position.X.ToFloat(), node.Position.Y.ToFloat(), node.Position.Z.ToFloat()),
 124                         0.5f, nodeColor);
 125         }
 126 }
 127
 128 bool CCinemaManager::IsEnabled() const
 129 {
 130         CmpPtr<ICmpCinemaManager> cmpCinemaManager(g_Game->GetSimulation2()->GetSimContext().GetSystemEntity());
 131         return cmpCinemaManager && cmpCinemaManager->IsEnabled();
 132 }
 133
 134 bool CCinemaManager::IsPlaying() const
 135 {
 136         return IsEnabled() && g_Game && !g_Game->m_Paused;
 137 }
 138
 139 bool CCinemaManager::GetPathsDrawing() const
 140 {
 141         return m_DrawPaths;
 142 }
 143
 144 void CCinemaManager::SetPathsDrawing(const bool drawPath)
 145 {
 146         m_DrawPaths = drawPath;
 147 }