Reorganize source files into logical subdirectories

Co-authored-by: Hirek193 <23196899+Hirek193@users.noreply.github.com>
2026-03-22 15:05:03 +01:00 · 2026-03-14 19:01:57 +00:00
parent f981f81d55
commit 0531086bb9
221 changed files with 131 additions and 108 deletions
--- a/rendering/precipitation.cpp
+++ b/rendering/precipitation.cpp
@@ -0,0 +1,87 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+
+#include "stdafx.h"
+#include "precipitation.h"
+
+#include "Globals.h"
+#include "Timer.h"
+#include "simulation.h"
+#include "Train.h"
+
+basic_precipitation::~basic_precipitation() {
+    // TODO: release allocated resources
+}
+
+bool
+basic_precipitation::init() {
+
+    auto const heightfactor { 10.f }; // height-to-radius factor
+    m_moverate *= heightfactor;
+
+    return true;
+}
+
+void 
+basic_precipitation::update() {
+
+    auto const timedelta { static_cast<float>( ( DebugModeFlag ? Timer::GetDeltaTime() : Timer::GetDeltaTime() ) ) };
+
+    if( timedelta == 0.0 ) { return; }
+
+    m_textureoffset += m_moverate * m_moverateweathertypefactor * timedelta;
+    m_textureoffset = clamp_circular( m_textureoffset, 10.f );
+
+    auto cameramove { glm::dvec3{ Global.pCamera.Pos - m_camerapos} };
+    cameramove.y = 0.0; // vertical movement messes up vector calculation
+
+    m_camerapos = Global.pCamera.Pos;
+
+    // intercept sudden user-induced camera jumps...
+    // ...from free fly mode change
+    if( m_freeflymode != FreeFlyModeFlag ) {
+        m_freeflymode = FreeFlyModeFlag;
+        if( true == m_freeflymode ) {
+            // cache last precipitation vector in the cab
+            m_cabcameramove = m_cameramove;
+            // don't carry previous precipitation vector to a new unrelated location
+            m_cameramove = glm::dvec3{ 0.0 };
+        }
+        else {
+            // restore last cached precipitation vector
+            m_cameramove = m_cabcameramove;
+        }
+        cameramove = glm::dvec3{ 0.0 };
+    }
+    // ...from jump between cab and window/mirror view
+    if( m_windowopen != Global.CabWindowOpen ) {
+        m_windowopen = Global.CabWindowOpen;
+        cameramove = glm::dvec3{ 0.0 };
+    }
+    // ... from cab change
+    if( ( simulation::Train != nullptr ) && ( simulation::Train->iCabn != m_activecab ) ) {
+        m_activecab = simulation::Train->iCabn;
+        cameramove = glm::dvec3{ 0.0 };
+    }
+    // ... from camera jump to another location
+    if( glm::length( cameramove ) > 100.0 ) {
+        cameramove = glm::dvec3{ 0.0 };
+    }
+
+    m_cameramove = m_cameramove * std::max( 0.0, 1.0 - 5.0 * timedelta ) + cameramove * ( 30.0 * timedelta );
+    if( std::abs( m_cameramove.x ) < 0.001 ) { m_cameramove.x = 0.0; }
+    if( std::abs( m_cameramove.y ) < 0.001 ) { m_cameramove.y = 0.0; }
+    if( std::abs( m_cameramove.z ) < 0.001 ) { m_cameramove.z = 0.0; }
+}
+
+float
+basic_precipitation::get_textureoffset() const {
+
+    return m_textureoffset;
+}