Merge branch 'port' of https://github.com/fgsfdsfgs/perfect_dark into port-net

src/game/bondgun.c

@@ -10983,7 +10983,6 @@ void bgunRender(Gfx **gdlptr)
 	struct modelrenderdata renderdata = {NULL, true, 3}; // 10c
 	struct player *player;
 	s32 i;
-	const u32 wnorm = mtx00016dcc(0, 300);
 
 	static bool renderhand = true; // var800702dc
 
@@ -11049,7 +11048,7 @@ void bgunRender(Gfx **gdlptr)
 				gSPLookAt(gdl++, camGetLookAt());
 			}
 
-			gSPPerspNormalize(gdl++, wnorm);
+			gSPPerspNormalize(gdl++, mtx00016dcc(0, 300));
 
 			// There is support for guns having a TV screen on them
 			// but no guns have this model part so it's not used.
@@ -11224,17 +11223,7 @@ void bgunRender(Gfx **gdlptr)
 		}
 	}
 
-#ifndef PLATFORM_N64
-	// put the casings into the same Z range as the gun
-	gSPPerspNormalize(gdl++, wnorm);
-#endif
-
 	casingsRender(&gdl);
-
-#ifndef PLATFORM_N64
-	gSPPerspNormalize(gdl++, viGetPerspScale());
-#endif
-
 	zbufSwap();
 
 	gdl = zbufConfigureRdp(gdl);

src/game/zbuf.c

@@ -126,7 +126,6 @@ Gfx *zbufConfigureRdp(Gfx *gdl)
 Gfx *zbufClear(Gfx *gdl)
 {
 #ifdef PLATFORM_N64
-	// no reason to do a Z clear on PC, we already do it at frame start
 	s32 left;
 	s32 right;
 
@@ -150,6 +149,8 @@ Gfx *zbufClear(Gfx *gdl)
 
 	gDPFillRectangle(gdl++, left, 0, right, playerGetFbHeight() - 1);
 	gDPPipeSync(gdl++);
+#else
+	gDPClearDepthEXT(gdl++);
 #endif
 
 	return gdl;

src/include/gbiex.h

@@ -195,6 +195,7 @@
 #define G_COPYFB_EXT            0x41
 #define G_IMAGERECT_EXT         0x42
 #define G_RDPFLUSH_EXT          0x43
+#define G_CLEAR_DEPTH_EXT       0x44
 
 /* G_EXTRAGEOMETRYMODE flags */
 
@@ -300,6 +301,8 @@
 
 #define gDPFlushEXT(pkt) gDPNoParam(pkt, G_RDPFLUSH_EXT)
 
+#define gDPClearDepthEXT(pkt) gDPNoParam(pkt, G_CLEAR_DEPTH_EXT)
+
 #undef gDPFillRectangleScaled
 #define gDPFillRectangleScaled(pkt, x1, y1, x2, y2) gDPFillRectangleEXT(pkt, (x1) * g_ScaleX, y1, (x2) * g_ScaleX, y2)