fix q3 tcgen ordering bug.

implement support for r_showshader, to see most shader bodies (inc auto-generated ones).

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4778 fc73d0e0-1445-4013-8a0c-d673dee63da5

engine/client/renderer.c

@@ -556,6 +556,7 @@ void Renderer_Init(void)
 #endif
 	Cmd_AddCommand("r_dumpshaders", Shader_WriteOutGenerics_f);
 	Cmd_AddCommand("r_remapshader", Shader_RemapShader_f);
+	Cmd_AddCommand("r_showshader", Shader_ShowShader_f);
 
 #if defined(GLQUAKE) || defined(D3DQUAKE)
 	GLD3DRenderer_Init();

engine/gl/gl_model.c

@@ -168,17 +168,14 @@ static void Mod_TextureList_f(void)
 	for (m=0 , mod=mod_known ; m<mod_numknown ; m++, mod++)
 	{
 		if (shownmodelname)
-			Con_Printf("%u\n", count);
+			Con_Printf("(%u textures)\n", count);
 		shownmodelname = false;
 
 		if (mod->type == mod_brush && mod->loadstate == MLS_LOADED)
 		{
 			if (*mod->name == '*')
 				continue;//	inlines don't count
-			if (shownmodelname)
-				Con_Printf("%u\n", count);
 			count = 0;
-			shownmodelname = false;
 			for (i = 0; i < mod->numtextures; i++)
 			{
 				tx = mod->textures[i];
@@ -198,7 +195,7 @@ static void Mod_TextureList_f(void)
 		}
 	}
 	if (shownmodelname)
-		Con_Printf("%u\n", count);
+		Con_Printf("(%u textures)\n", count);
 }
 
 static void Mod_BlockTextureColour_f (void)

engine/gl/gl_shader.c

@@ -1995,117 +1995,104 @@ static struct
 
 static qboolean Shaderpass_MapGen (shader_t *shader, shaderpass_t *pass, char *tname)
 {
+	int tcgen = TC_GEN_BASE;
 	if (!Q_stricmp (tname, "$lightmap"))
 	{
-		pass->tcgen = TC_GEN_LIGHTMAP;
+		tcgen = TC_GEN_LIGHTMAP;
 		pass->flags |= SHADER_PASS_LIGHTMAP | SHADER_PASS_NOMIPMAP;
 		pass->texgen = T_GEN_LIGHTMAP;
 		shader->flags |= SHADER_HASLIGHTMAP;
 	}
 	else if (!Q_stricmp (tname, "$deluxmap"))
 	{
-		pass->tcgen = TC_GEN_LIGHTMAP;
+		tcgen = TC_GEN_LIGHTMAP;
 		pass->flags |= SHADER_PASS_DELUXMAP | SHADER_PASS_NOMIPMAP;
 		pass->texgen = T_GEN_DELUXMAP;
 	}
 	else if (!Q_stricmp (tname, "$diffuse"))
 	{
 		pass->texgen = T_GEN_DIFFUSE;
-		pass->tcgen = TC_GEN_BASE;
 	}
 	else if (!Q_stricmp (tname, "$normalmap"))
 	{
 		pass->texgen = T_GEN_NORMALMAP;
-		pass->tcgen = TC_GEN_BASE;
 		shader->flags |= SHADER_HASNORMALMAP;
 	}
 	else if (!Q_stricmp (tname, "$specular"))
 	{
 		pass->texgen = T_GEN_SPECULAR;
-		pass->tcgen = TC_GEN_BASE;
 		shader->flags |= SHADER_HASGLOSS;
 	}
 	else if (!Q_stricmp (tname, "$fullbright"))
 	{
 		pass->texgen = T_GEN_FULLBRIGHT;
-		pass->tcgen = TC_GEN_BASE;
 		shader->flags |= SHADER_HASFULLBRIGHT;
 	}
 	else if (!Q_stricmp (tname, "$upperoverlay"))
 	{
 		shader->flags |= SHADER_HASTOPBOTTOM;
 		pass->texgen = T_GEN_UPPEROVERLAY;
-		pass->tcgen = TC_GEN_BASE;
 	}
 	else if (!Q_stricmp (tname, "$loweroverlay"))
 	{
 		shader->flags |= SHADER_HASTOPBOTTOM;
 		pass->texgen = T_GEN_LOWEROVERLAY;
-		pass->tcgen = TC_GEN_BASE;
 	}
 	else if (!Q_stricmp (tname, "$shadowmap"))
 	{
 		pass->texgen = T_GEN_SHADOWMAP;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 		pass->flags |= SHADER_PASS_DEPTHCMP;
 	}
 	else if (!Q_stricmp (tname, "$lightcubemap"))
 	{
 		pass->texgen = T_GEN_LIGHTCUBEMAP;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 	}
 	else if (!Q_stricmp (tname, "$currentrender"))
 	{
 		pass->texgen = T_GEN_CURRENTRENDER;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 	}
 	else if (!Q_stricmp (tname, "$sourcecolour"))
 	{
 		pass->texgen = T_GEN_SOURCECOLOUR;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 	}
 	else if (!Q_stricmp (tname, "$sourcecube"))
 	{
 		pass->texgen = T_GEN_SOURCECUBE;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 	}
 	else if (!Q_stricmp (tname, "$sourcedepth"))
 	{
 		pass->texgen = T_GEN_SOURCEDEPTH;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 	}
 	else if (!Q_stricmp (tname, "$reflection"))
 	{
 		shader->flags |= SHADER_HASREFLECT;
 		pass->texgen = T_GEN_REFLECTION;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 	}
 	else if (!Q_stricmp (tname, "$refraction"))
 	{
 		shader->flags |= SHADER_HASREFRACT;
 		pass->texgen = T_GEN_REFRACTION;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 	}
 	else if (!Q_stricmp (tname, "$refractiondepth"))
 	{
 		shader->flags |= SHADER_HASREFRACT;
 		pass->texgen = T_GEN_REFRACTIONDEPTH;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 	}
 	else if (!Q_stricmp (tname, "$ripplemap"))
 	{
 		shader->flags |= SHADER_HASRIPPLEMAP;
 		pass->texgen = T_GEN_RIPPLEMAP;
-		pass->tcgen = TC_GEN_BASE;	//FIXME: moo!
 	}
 	else if (!Q_stricmp (tname, "$null"))
 	{
-		pass->tcgen = TC_GEN_BASE;
 		pass->flags |= SHADER_PASS_NOMIPMAP|SHADER_PASS_DETAIL;
 		pass->texgen = T_GEN_SINGLEMAP;
 	}
 	else
 		return false;
+
+	if (pass->tcgen == TC_GEN_UNSPECIFIED)
+		pass->tcgen = tcgen;
 	return true;
 }
 
@@ -2133,7 +2120,8 @@ static void Shaderpass_Map (shader_t *shader, shaderpass_t *pass, char **ptr)
 			break;
 		}
 
-		pass->tcgen = TC_GEN_BASE;
+		if (pass->tcgen == TC_GEN_UNSPECIFIED)
+			pass->tcgen = TC_GEN_BASE;
 		pass->anim_frames[0] = Shader_FindImage (token, flags);
 	}
 }
@@ -2146,7 +2134,8 @@ static void Shaderpass_AnimMap (shader_t *shader, shaderpass_t *pass, char **ptr
 
 	flags = Shader_SetImageFlags (shader, pass, NULL);
 
-	pass->tcgen = TC_GEN_BASE;
+	if (pass->tcgen == TC_GEN_UNSPECIFIED)
+		pass->tcgen = TC_GEN_BASE;
 	pass->flags |= SHADER_PASS_ANIMMAP;
 	pass->texgen = T_GEN_ANIMMAP;
 	pass->anim_fps = (int)Shader_ParseFloat (shader, ptr);
@@ -2187,7 +2176,8 @@ static void Shaderpass_ClampMap (shader_t *shader, shaderpass_t *pass, char **pt
 	flags = Shader_SetImageFlags (shader, pass, &token);
 	if (!Shaderpass_MapGen(shader, pass, token))
 	{
-		pass->tcgen = TC_GEN_BASE;
+		if (pass->tcgen == TC_GEN_UNSPECIFIED)
+			pass->tcgen = TC_GEN_BASE;
 		pass->anim_frames[0] = Shader_FindImage (token, flags | IF_CLAMP);
 
 		switch((flags & IF_TEXTYPE) >> IF_TEXTYPESHIFT)
@@ -3202,7 +3192,7 @@ void Shader_Readpass (shader_t *shader, char **ptr)
 	pass->anim_numframes = 0;
 	pass->rgbgen = RGB_GEN_UNKNOWN;
 	pass->alphagen = ALPHA_GEN_IDENTITY;
-	pass->tcgen = TC_GEN_BASE;
+	pass->tcgen = TC_GEN_UNSPECIFIED;
 	pass->numtcmods = 0;
 	pass->numMergedPasses = 1;
 	pass->stagetype = ST_AMBIENT;
@@ -3274,6 +3264,9 @@ void Shader_Readpass (shader_t *shader, char **ptr)
 		Con_Printf("if statements without endif in shader %s\n", shader->name);
 	}
 
+	if (pass->tcgen == TC_GEN_UNSPECIFIED)
+		pass->tcgen = TC_GEN_BASE;
+
 	if (!ignore)
 	{
 		switch(pass->stagetype)
@@ -4849,18 +4842,11 @@ qboolean Shader_ReadShaderTerms(shader_t *s, char **shadersource, int parsemode,
 //loads a shader string into an existing shader object, and finalises it and stuff
 static void Shader_ReadShader(shader_t *s, char *shadersource, int parsemode)
 {
+	char *shaderstart = shadersource;
 	int conddepth = 0;
 	int cond[8];
 	cond[0] = 0;
 
-	//querying the shader body often requires generating the shader, which then gets parsed.
-	if (saveshaderbody)
-	{
-		Z_Free(*saveshaderbody);
-		*saveshaderbody = Z_StrDup(shadersource);
-		saveshaderbody = NULL;
-	}
-
 	memset(&parsestate, 0, sizeof(parsestate));
 	parsestate.mode = parsemode;
 
@@ -4878,6 +4864,17 @@ static void Shader_ReadShader(shader_t *s, char *shadersource, int parsemode)
 	}
 
 	Shader_Finish ( s );
+
+	//querying the shader body often requires generating the shader, which then gets parsed.
+	if (saveshaderbody)
+	{
+		size_t l = shadersource - shaderstart;
+		Z_Free(*saveshaderbody);
+		*saveshaderbody = BZ_Malloc(l+1);
+		(*saveshaderbody)[l] = 0;
+		memcpy(*saveshaderbody, shaderstart, l);
+		saveshaderbody = NULL;
+	}
 }
 
 static qboolean Shader_ParseShader(char *parsename, shader_t *s)
@@ -5095,6 +5092,31 @@ char *Shader_GetShaderBody(shader_t *s)
 	return adr;
 }
 
+void Shader_ShowShader_f(void)
+{
+	char *sourcename = Cmd_Argv(1);
+	shader_t *o = R_LoadShader(sourcename, SUF_NONE, NULL, NULL);
+	if (!o)
+		o = R_LoadShader(sourcename, SUF_LIGHTMAP, NULL, NULL);
+	if (!o)
+		o = R_LoadShader(sourcename, SUF_2D, NULL, NULL);
+	if (o)
+	{
+		char *body = Shader_GetShaderBody(o);
+		if (body)
+		{
+			Con_Printf("%s\n{%s\n", o->name, body);
+			Z_Free(body);
+		}
+		else
+		{
+			Con_Printf("Shader \"%s\" is not in use\n", o->name);
+		}
+	}
+	else
+		Con_Printf("Shader \"%s\" is not loaded\n", sourcename);
+}
+
 void Shader_DoReload(void)
 {
 	shader_t *s;

engine/gl/shader.h

@@ -230,6 +230,8 @@ typedef struct shaderpass_s {
 		TC_GEN_SKYBOX,
 		TC_GEN_WOBBLESKY,
 		TC_GEN_REFLECT,
+
+		TC_GEN_UNSPECIFIED
 	} tcgen;
 	int numtcmods;
 	tcmod_t		tcmods[SHADER_MAX_TC_MODS];
@@ -268,7 +270,7 @@ typedef struct shaderpass_s {
 
 		T_GEN_VIDEOMAP,		//use the media playback as an image source, updating each frame for which it is visible
 		T_GEN_CUBEMAP,		//use a cubemap instead, otherwise like T_GEN_SINGLEMAP
-		T_GEN_3DMAP,		//use a 3d texture instead, otherwise T_GEN_SINGLEMAP.
+		T_GEN_3DMAP			//use a 3d texture instead, otherwise T_GEN_SINGLEMAP.
 	} texgen;
 
 	enum {
@@ -590,6 +592,7 @@ qboolean Shader_Init (void);
 void Shader_NeedReload(qboolean rescanfs);
 void Shader_WriteOutGenerics_f(void);
 void Shader_RemapShader_f(void);
+void Shader_ShowShader_f(void);
 
 mfog_t *Mod_FogForOrigin(model_t *wmodel, vec3_t org);