From 1e48dbafe5d7bfb875f80d07a30580fc892ed102 Mon Sep 17 00:00:00 2001
From: Rtch90 <ritchie.cunningham@protonmail.com>
Date: Tue, 14 Nov 2017 20:21:06 +0000
Subject: [PATCH] [Add] Wheels up/down transition.

---
 icons/wheels_down.png | Bin 0 -> 460 bytes
 icons/wheels_up.png   | Bin 0 -> 454 bytes
 src/ship.cpp          |  14 ++++++++++++++
 src/ship.h            |   4 ++++
 src/world_view.cpp    |  11 +++++++++++
 src/world_view.h      |   1 +
 6 files changed, 30 insertions(+)
 create mode 100644 icons/wheels_down.png
 create mode 100644 icons/wheels_up.png

diff --git a/icons/wheels_down.png b/icons/wheels_down.png
new file mode 100644
index 0000000000000000000000000000000000000000..0ca99613b5a0aa8c536848187547e15a9eaff819
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/icons/wheels_up.png b/icons/wheels_up.png
new file mode 100644
index 0000000000000000000000000000000000000000..9b2af35afac9cb02123787729ae42dc2931ee85b
GIT binary patch
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literal 0
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diff --git a/src/ship.cpp b/src/ship.cpp
index 6442620..c1ee5a2 100644
--- a/src/ship.cpp
+++ b/src/ship.cpp
@@ -7,6 +7,8 @@
 #include "space.h"
 
 Ship::Ship(ShipType::Type shipType) : RigidBody() {
+  m_wheelTransition = 0;
+  m_wheelState = 0;
   m_dockedWith = 0;
   m_mesh = 0;
   m_shipType = shipType;
@@ -95,6 +97,12 @@ void Ship::AITurn(void) {
     dGeomSetData(ray, static_cast<Object*>(&m_laserCollisionObj));
     m_tempLaserGeom[i] = ray;
   }
+
+  if(m_wheelTransition != 0.0f) {
+    m_wheelState += m_wheelTransition*timeStep*0.001;
+    m_wheelState = CLAMP(m_wheelState, 0, 1);
+    if((m_wheelState == 0) || (m_wheelState == 1)) m_wheelTransition = 0;
+  }
 }
 
 const ShipType& Ship::GetShipType(void) {
@@ -124,6 +132,11 @@ void Ship::SetGunState(int idx, int state) {
   m_gunState[idx] = state;
 }
 
+void Ship::SetWheelState(bool down) {
+  if(down) m_wheelTransition = 1;
+  else m_wheelTransition = -1;
+}
+
 /* Assumed to be at model coords. */
 void Ship::RenderLaserfire(void) {
   const ShipType& stype = GetShipType();
@@ -167,6 +180,7 @@ void Ship::Render(const Frame* camFrame) {
   params.pAnim[ASRC_MINFRAC]  = L3D::GetGameTime() / 60;
   params.pAnim[ASRC_HOURFRAC] = L3D::GetGameTime() / 3600.0f;
   params.pAnim[ASRC_DAYFRAC]  = L3D::GetGameTime() / (24*3600.0f);
+  params.pAnim[ASRC_GEAR]     = m_wheelState;
 
   strncpy(params.pText[0], GetLabel().c_str(), sizeof(params.pText));
 
diff --git a/src/ship.h b/src/ship.h
index 43f09ae..a51cc73 100644
--- a/src/ship.h
+++ b/src/ship.h
@@ -29,6 +29,7 @@ public:
   const ShipType& GetShipType(void);
   void CalcStats(shipstats_t* stats);
   void UpdateMass(void);
+  void SetWheelState(bool down);
 
   class LaserObj : public Object {
   public:
@@ -45,6 +46,9 @@ protected:
   ObjMesh* m_mesh;
   Uint32 m_gunState[ShipType::GUNMOUNT_MAX];
 private:
+  float m_wheelState;
+  float m_wheelTransition;
+
   float m_thrusters[ShipType::THRUSTER_MAX];
   float m_angThrusters[3];
   dGeomID m_tempLaserGeom[ShipType::GUNMOUNT_MAX];
diff --git a/src/world_view.cpp b/src/world_view.cpp
index 549e391..ed176cc 100644
--- a/src/world_view.cpp
+++ b/src/world_view.cpp
@@ -11,6 +11,13 @@ static const float lightCol[] = { 1, 1, .9, 0 };
 WorldView::WorldView(void): View() {
   SetTransparency(true);
   
+  Gui::MultiStateImageButton* wheels_button = new Gui::MultiStateImageButton();
+  wheels_button->SetShortcut(SDLK_F7, KMOD_NONE);
+  wheels_button->AddState(0, "icons/wheels_up.png");
+  wheels_button->AddState(1, "icons/wheels_down.png");
+  wheels_button->onClick.connect(sigc::mem_fun(this, &WorldView::OnChangeWheelsState));
+  m_rightButtonBar->Add(wheels_button, 34, 2);
+
   m_hyperspaceButton = new Gui::ImageButton("icons/hyperspace_f8.png");
   m_hyperspaceButton->SetShortcut(SDLK_F8, KMOD_NONE);
   m_hyperspaceButton->onClick.connect(sigc::mem_fun(this, &WorldView::OnClickHyperspace));
@@ -37,6 +44,10 @@ WorldView::WorldView(void): View() {
   glEndList();
 }
 
+void WorldView::OnChangeWheelsState(Gui::MultiStateImageButton* b) {
+  L3D::player->SetWheelState(b->GetState());
+}
+
 void WorldView::OnClickHyperspace(void) {
   StarSystem* s = L3D::GetSelectedSystem();
   if(s /* && isn's current system. */) {
diff --git a/src/world_view.h b/src/world_view.h
index 77d86c8..4fcaeb5 100644
--- a/src/world_view.h
+++ b/src/world_view.h
@@ -12,6 +12,7 @@ public:
 
 private:
   void OnClickHyperspace(void);
+  void OnChangeWheelsState(Gui::MultiStateImageButton* b);
   Gui::ImageButton* m_hyperspaceButton;
   GLuint m_bgstarsDlist;
 };