[Add] Flag for invisible stuff.

src/info_view.cpp

@@ -89,6 +89,7 @@ void InfoView::Draw3D(void) {
   m.z1 = -rot[2]; m.z2 = -rot[6]; m.z3 =  rot[10];
   const ShipType& stype = L3D::player->GetShipType();
 
+  sbreSetDepthRange(L3D::GetScrWidth()*0.5f, 0.0f, 1.0f);
   sbreRenderModel(&p, &m, stype.sbreModel, &params);
   glPopAttrib();
 }

src/sbre/brender.cpp

@@ -88,6 +88,11 @@ static void ResolveVertices(Model* pMod, Vector* pRes, ObjParams* pObjParam) {
 
 static float g_dn, g_df, g_sd;
 static int g_wireframe = 0;
+float SBRE_ZBIAS = 0;
+
+void sbreSetZBias(float zbias) {
+  SBRE_ZBIAS = zbias;
+}
 
 void sbreSetDepthRange(float sd, float dn, float df) {
   glDepthRange(dn+SBRE_ZBIAS, df);

src/sbre/primfunc.cpp

@@ -102,6 +102,7 @@ static int PrimFuncZBias(uint16* pData, Model* pMod, RState* pState) {
 }
 
 static int PrimFuncTriFlat(uint16* pData, Model* pMod, RState* pState) {
+  if(pData[0] & RFLAG_INVISIBLE) return 4;
   Vector* pVtx = pState->pVtx;
   Vector* pVec;
   Vector norm, tv1, tv2;
@@ -133,6 +134,7 @@ static int PrimFuncTriFlat(uint16* pData, Model* pMod, RState* pState) {
 }
 
 static int PrimFuncQuadFlat(uint16* pData, Model* pMod, RState* pState) {
+  if(pData[0] & RFLAG_INVISIBLE) return 5;
   Vector* pVtx = pState->pVtx;
   Vector* pVec;
   Vector norm, tv1, tv2;

src/sbre/sbre.h

@@ -1,5 +1,4 @@
 #pragma once
-#include "jjtypes.h"
 #include "jjvector.h"
 
 enum animsrc {
@@ -16,7 +15,7 @@ enum animflag {
 
 struct ObjParams {
   float pAnim[10];
-  uint8 pFlag[10];
+  unsigned char pFlag[10];
 
   float linthrust[3];    /* 1.0 to -1.0 */
   float angthrust[3];    /* 1.0 to -1.0 */
@@ -46,6 +45,7 @@ struct CollMesh {
  * sd is screen depth in pixels, dn and df are like glDepthRange params.
  */
 void sbreSetDepthRange(float sd, float dn, float df);
+void sbreSetZBias(float zbias);
 void sbreSetViewport(int w, int h, float d, float zn, float zf, float dn, float df);
 void sbreSetDirLight(float* pColor, float* pDir);
 void sbreSetWireframe(int val);

src/sbre/sbre_int.h

@@ -150,16 +150,17 @@ extern int (*pPrimFuncTable[])(uint16*, Model*, RState*);
 extern int (*pCollFuncTable[])(uint16*, Model*, RState*);
 
 static const int RFLAG_XREF       = 0x8000;
+static const int RFLAG_INVISIBLE  = 0x4000;
 static const int SUBOBJ_THRUST    = 0x4000;
 
 static const int THRUST_XREF      = 0x8000;
 static const int THRUST_NOANG     = 0x4000;
 
-/* Proper value for 16-bit depth buffer. */
 //static const float SBRE_ZBIAS = 0.00002f;
-static const float SBRE_ZBIAS   = 0.00002f;
 static const float SBRE_AMB       = 0.3f;
 
+extern float SBRE_ZBIAS;
+
 enum comptype {
   COMP_END = 0,
   COMP_LINE,