[Add] Some elastic collision crap.

src/dynamic_body.h

@@ -4,8 +4,6 @@
 #include "vector3.h"
 #include "matrix4x4.h"
 
-class ObjMesh;
-
 class DynamicBody : public ModelBody {
 public:
   OBJDEF(DynamicBody, ModelBody, DYNAMICBODY);
@@ -35,5 +33,4 @@ protected:
   virtual void Load(void);
 
 private:
-  ObjMesh* m_mesh;
 };

src/info_view.cpp

@@ -23,17 +23,17 @@ void InfoView::UpdateInfo(void) {
   Equip::Type e = L3D::player->m_equipment.Get(Equip::SLOT_ENGINE);
   nfo += std::string("\n\nDrive system:   ")+EquipType::types[e].name;
 
-  shipstats_t stats;
-  L3D::player->CalcStats(&stats);
+  const shipstats_t* stats;
+  stats = L3D::player->CalcStats();
   snprintf(buf, sizeof(buf), "n\nCapacity:    %dt\n"
                              "Free:   %dt\n"
                              "Used:   %dt\n"
-                             "All-up weight:    %dt", stats.max_capacity,
-                             stats.free_capacity, stats.used_capacity,
-                             stats.total_mass);
+                             "All-up weight:    %dt", stats->max_capacity,
+                             stats->free_capacity, stats->used_capacity,
+                             stats->total_mass);
   nfo += std::string(buf);
 
-  snprintf(buf, sizeof(buf), "\n\nHyperspace range: %.2f light years.", stats.hyperspace_range);
+  snprintf(buf, sizeof(buf), "\n\nHyperspace range: %.2f light years.", stats->hyperspace_range);
   nfo += std::string(buf);
 
   info1->SetText(nfo);

src/sbre_viewer.cpp

@@ -214,7 +214,7 @@ static void raytraceCollMesh(vector3d camPos, vector3d camera_up, vector3d camer
   glPushMatrix();
   glLoadIdentity();
 
-  glActiveTextureARB(GL_TEXTURE0_ARB);
+  //glActiveTextureARB(GL_TEXTURE0);
   glEnable(GL_TEXTURE_2D);
   glDisable(GL_LIGHTING);
   glBindTexture(GL_TEXTURE_2D, mytexture);

src/sector_view.cpp

@@ -163,13 +163,13 @@ void SectorView::DrawSector(int sx, int sy) {
     glCallList(m_gluDiskDlist);
     /* Player location indicator. */
     if((sx == playerLocSecX) && (sy == playerLocSecY) && (num == playerLocSysIdx)) {
-      shipstats_t stats;
-      L3D::player->CalcStats(&stats);
+      const shipstats_t* stats;
+      stats = L3D::player->CalcStats();
       glColor3f(0, 0, 1);
       glBegin(GL_LINE_LOOP);
         /* Draw a lovely circle around our beloved player. */
         for(float theta = 0; theta < 2*M_PI; theta += 0.05*M_PI) {
-          glVertex3f(stats.hyperspace_range*sin(theta), stats.hyperspace_range*cos(theta), 0);
+          glVertex3f(stats->hyperspace_range*sin(theta), stats->hyperspace_range*cos(theta), 0);
         }
       glEnd();
 

src/ship.cpp

@@ -112,9 +112,8 @@ Ship::Ship(ShipType::Type shipType) : DynamicBody() {
 }
 
 void Ship::UpdateMass(void) {
-  shipstats_t s;
-  CalcStats(&s);
-  dMassAdjust(&m_mass, s.total_mass*1000);
+  CalcStats();
+  dMassAdjust(&m_mass, m_stats.total_mass*1000);
   dBodySetMass(m_body, &m_mass);
 }
 
@@ -124,6 +123,18 @@ bool Ship::OnCollision(Body* b, Uint32 flags) {
     if(m_flightState != FLYING) return false;
     else m_testLanded = true;
   }
+  if(b->IsType(Object::MODELBODY)) {
+    vector3d relVel;
+    if(b->IsType(Object::DYNAMICBODY)) {
+      relVel = static_cast<DynamicBody*>(b)->GetVelocity() - GetVelocity();
+    } else {
+      relVel = GetVelocity();
+    }
+    /* Crappy recalculation of all this... */
+    float v = relVel.Length();
+    float kineticEnergy = m_stats.total_mass * v * v;
+    printf("%f ek\n", kineticEnergy);
+  }
   return true;
 }
 
@@ -155,23 +166,24 @@ void Ship::ClearThrusterState(void) {
 /* Hyperspace range is:
  * (200 * hyperspace_class^2) / total_mass (in tonnes)
  */
-void Ship::CalcStats(shipstats_t* stats) {
+const shipstats_t* Ship::CalcStats(void) {
   const ShipType& stype = GetShipType();
-  stats->max_capacity = stype.capacity;
-  stats->used_capacity = 0;
+  m_stats.max_capacity = stype.capacity;
+  m_stats.used_capacity = 0;
 
   for(int i = 0; i < Equip::SLOT_MAX; i++) {
     for(int j = 0; j < stype.equipSlotCapacity[i]; j++) {
       Equip::Type t = m_equipment.Get((Equip::Slot)i, j);
-      if(t) stats->used_capacity += EquipType::types[t].mass;
+      if(t) m_stats.used_capacity += EquipType::types[t].mass;
     }
   }
-  stats->free_capacity = stats->max_capacity - stats->used_capacity;
-  stats->total_mass = stats->used_capacity + stype.hullMass;
+  m_stats.free_capacity = m_stats.max_capacity - m_stats.used_capacity;
+  m_stats.total_mass = m_stats.used_capacity + stype.hullMass;
 
   Equip::Type t = m_equipment.Get(Equip::SLOT_ENGINE);
   float hyperclass = EquipType::types[t].pval;
-  stats->hyperspace_range = 200 * hyperclass * hyperclass / stats->total_mass;
+  m_stats.hyperspace_range = 200 * hyperclass * hyperclass / m_stats.total_mass;
+  return &m_stats;
 }
 
 void Ship::Blastoff(void) {

src/ship.h

@@ -31,7 +31,7 @@ public:
   void ClearThrusterState(void);
   void SetGunState(int idx, int state);
   const ShipType& GetShipType(void);
-  void CalcStats(shipstats_t* stats);
+  const shipstats_t* CalcStats(void);
   void UpdateMass(void);
   vector3d CalcRotDamping();
   bool SetWheelState(bool down); /* Returns success of state change, NOT state itself. */
@@ -82,5 +82,6 @@ private:
   LaserObj m_laserCollisionObj;
   Body* m_navTarget;
   Body* m_combatTarget;
+  shipstats_t m_stats;
 };
 

src/space.cpp

@@ -342,10 +342,11 @@ static bool _OnCollision2(Object* o1, Object* o2, CollisionContact* c) {
   return true;
 }
 
-#define MAX_CONTACTS 10
+#define MAX_CONTACTS 1
 static int contact_num;
 static void hitCallback(CollisionContact* c) {
   if(contact_num++ >= MAX_CONTACTS) return;
+  printf("AUCH!! %x\n", SDL_GetTicks());
   dContact contact;
 
   contact.surface.mode = dContactBounce;