From a45d37355ed6c1bccb93aa453c370c5981cd60f9 Mon Sep 17 00:00:00 2001
From: Artem Kharytoniuk <artemalive@gmail.com>
Date: Wed, 5 Apr 2017 15:17:16 +0300
Subject: [PATCH] Cleanup.

---
 src/engine/renderer/tr_local.h  | 16 +++-------------
 src/engine/renderer/tr_shade.c  |  3 ++-
 src/engine/renderer/tr_shader.c | 13 ++-----------
 3 files changed, 7 insertions(+), 25 deletions(-)

diff --git a/src/engine/renderer/tr_local.h b/src/engine/renderer/tr_local.h
index 60b9902..48f1423 100644
--- a/src/engine/renderer/tr_local.h
+++ b/src/engine/renderer/tr_local.h
@@ -404,20 +404,10 @@ typedef struct shader_s {
 	int			numUnfoggedPasses;
 	shaderStage_t	*stages[MAX_SHADER_STAGES];		
 
-	void		(*optimalStageIteratorFunc)( void );
+    float clampTime;                                  // time this shader is clamped to
+    float timeOffset;                                 // current time offset for this shader
 
-  float clampTime;                                  // time this shader is clamped to
-  float timeOffset;                                 // current time offset for this shader
-
-  int numStates;                                    // if non-zero this is a state shader
-  struct shader_s *currentShader;                   // current state if this is a state shader
-  struct shader_s *parentShader;                    // current state if this is a state shader
-  int currentState;                                 // current state index for cycle purposes
-  long expireTime;                                  // time in milliseconds this expires
-
-  struct shader_s *remappedShader;                  // current shader this one is remapped too
-
-  int shaderStates[MAX_STATES_PER_SHADER];          // index to valid shader states
+    struct shader_s *remappedShader;                  // current shader this one is remapped too
 
 	struct	shader_s	*next;
 } shader_t;
diff --git a/src/engine/renderer/tr_shade.c b/src/engine/renderer/tr_shade.c
index 7ada9f4..03fe34e 100644
--- a/src/engine/renderer/tr_shade.c
+++ b/src/engine/renderer/tr_shade.c
@@ -167,7 +167,8 @@ void RB_BeginSurface( shader_t *shader, int fogNum ) {
 	tess.dlightBits = 0;		// will be OR'd in by surface functions
 	tess.xstages = state->stages;
 	tess.numPasses = state->numUnfoggedPasses;
-	tess.currentStageIteratorFunc = state->optimalStageIteratorFunc;
+
+    tess.currentStageIteratorFunc = state->isSky ? RB_StageIteratorSky : RB_StageIteratorGeneric;
 
 	tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
 	if (tess.shader->clampTime && tess.shaderTime >= tess.shader->clampTime) {
diff --git a/src/engine/renderer/tr_shader.c b/src/engine/renderer/tr_shader.c
index d6db0c4..4edeb9f 100644
--- a/src/engine/renderer/tr_shader.c
+++ b/src/engine/renderer/tr_shader.c
@@ -2161,13 +2161,6 @@ static shader_t *FinishShader( void ) {
 		shader.sort = SS_FOG;
 	}
 
-	// determine which stage iterator function is appropriate
-    if ( shader.isSky ) {
-        shader.optimalStageIteratorFunc = RB_StageIteratorSky;
-    } else {
-        shader.optimalStageIteratorFunc = RB_StageIteratorGeneric;
-    }
-
 	return GeneratePermanentShader();
 }
 
@@ -2700,12 +2693,10 @@ void	R_ShaderList_f (void) {
 			ri.Printf( PRINT_ALL, "  " );
 		}
 
-		if ( shader->optimalStageIteratorFunc == RB_StageIteratorGeneric ) {
+		if ( !shader->isSky ) {
 			ri.Printf( PRINT_ALL, "gen " );
-		} else if ( shader->optimalStageIteratorFunc == RB_StageIteratorSky ) {
-			ri.Printf( PRINT_ALL, "sky " );
 		} else {
-			ri.Printf( PRINT_ALL, "    " );
+			ri.Printf( PRINT_ALL, "sky " );
 		}
 
 		if ( shader->defaultShader ) {