Fix rocket lock wedges on JK2 SP

JK2 shader has a different hash

code/rd-vanilla/tr_shader.cpp

@@ -39,12 +39,18 @@ static	shader_t		shader;
 static	texModInfo_t	texMods[MAX_SHADER_STAGES][TR_MAX_TEXMODS];
 
 // Hash value (generated using the generateHashValueForText function) for the original
-// retail JKA shader for gfx/2d/wedge.
+// retail JK2/JKA shader for gfx/2d/wedge.
+#ifdef JK2_MODE
+#define RETAIL_ROCKET_WEDGE_SHADER_HASH (1193966)
+#else
 #define RETAIL_ROCKET_WEDGE_SHADER_HASH (1217042)
+#endif
 
+#ifndef JK2_MODE
 // Hash value (generated using the generateHashValueForText function) for the original
 // retail JKA shader for gfx/menus/radar/arrow_w.
 #define RETAIL_ARROW_W_SHADER_HASH (1650186)
+#endif
 
 
 #define FILE_HASH_SIZE		1024
@@ -2449,7 +2455,7 @@ Ghoul2 Insert End
 
 	shader.explicitlyDefined = true;
 
-	// The basejka rocket lock wedge shader uses the incorrect blending mode.
+	// The basejk2/basejka rocket lock wedge shader uses the incorrect blending mode.
 	// It only worked because the shader state was not being set, and relied
 	// on previous state to be multiplied by alpha. Since fixing RB_RotatePic,
 	// the shader needs to be fixed here to render correctly.
@@ -2465,6 +2471,7 @@ Ghoul2 Insert End
 		stages[0].stateBits |= GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA;
 	}
 
+#ifndef JK2_MODE
 	// The basejka radar arrow contains an incorrect rgbGen of identity
 	// It only worked because the original code didn't check shaders at all,
 	// thus setcolor worked fine but with fixing RB_RotatePic it no longer
@@ -2479,6 +2486,7 @@ Ghoul2 Insert End
 		stages[0].rgbGen = CGEN_VERTEX;
 		stages[0].alphaGen = AGEN_VERTEX;
 	}
+#endif
 
 	COM_EndParseSession();
 	return qtrue;