1 files changed, 150 insertions, 0 deletions
diff --git a/externals/gridflow/bundled/Base/GemState.h b/externals/gridflow/bundled/Base/GemState.h
new file mode 100644
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+++ b/externals/gridflow/bundled/Base/GemState.h
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+/*-----------------------------------------------------------------
+  LOG
+  GEM - Graphics Environment for Multimedia
+
+  The state to pass among GEM objects
+
+  Copyright (c) 1997-2000 Mark Danks. mark@danks.org
+  Copyright (c) Günther Geiger. geiger@epy.co.at
+  Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::für::umläute. IEM. zmoelnig@iem.kug.ac.at
+  For information on usage and redistribution, and for a DISCLAIMER OF ALL
+  WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
+
+  -----------------------------------------------------------------*/
+
+#ifndef INCLUDE_GEMSTATE_H_
+#define INCLUDE_GEMSTATE_H_
+
+#include "Base/GemExportDef.h"
+#include "Base/GemGL.h"
+
+struct pixBlock;
+class TexCoord;
+
+/*-----------------------------------------------------------------
+  -------------------------------------------------------------------
+  CLASS
+  TexCoord
+    
+
+  DESCRIPTION
+    
+  -----------------------------------------------------------------*/
+class GEM_EXTERN TexCoord
+{
+ public:
+  TexCoord() : s(0.f), t(0.f) { }
+    TexCoord(float s_, float t_) : s(s_), t(t_) { }
+      float   	    s;
+      float   	    t;
+};
+
+
+/*-----------------------------------------------------------------
+  -------------------------------------------------------------------
+  CLASS
+  GemState
+    
+  The state to pass among GEM objects
+
+  DESCRIPTION
+    
+  -----------------------------------------------------------------*/
+class GEM_EXTERN GemState
+{
+ public:
+
+  //////////
+  // Has something changed since the last time?
+  int                 dirty;
+
+  //////////
+  // Are we in a display list creation?
+  int 	    	    inDisplayList;
+    	
+  //////////
+  // Lighting on?
+  int 	    	    lighting;
+    	
+  //////////
+  // Smooth shading (flat is other type)
+  int 	    	    smooth;
+    	
+  //////////
+  // Texture mapping on?
+  // 0..off
+  // 1..normalized texture
+  // 2..rectangle texture
+  int 	    	    texture;
+    	
+  //////////
+  // The image to texture map
+  pixBlock	        *image;
+    	
+  //////////
+  // Texture coordinates.
+  // This can be NULL if there aren't any coordinates
+  TexCoord    	    *texCoords;
+    	
+  //////////
+  // The number of TexCoords
+  int 	    	    numTexCoords;
+  
+  //////////
+  // The number of multiTexUnits
+  //   default = 0, max = 7
+  int 	    	    multiTexUnits;
+
+  //////////
+  // Milliseconds since last frame
+  // If in Stereoscopic mode, then it is the same number for both left
+  //		and right renderings
+  float				tickTime;
+
+  //////////////////
+  // the default draw-type (might be overriden within a Geo)
+  GLenum				drawType;
+
+  //////////
+  // how deep is the current stack /* 4 fields for the 4 stacks */
+  int stackDepth[4];
+	
+  ////////////
+  //vertex-array data
+  int                 VertexDirty; // the vertex-arrays has changed
+
+  GLfloat				*VertexArray;
+  int					VertexArraySize;
+  int					VertexArrayStride;
+
+  GLfloat				*ColorArray;
+  int		 			HaveColorArray;
+
+  GLfloat				*NormalArray;
+  int					HaveNormalArray;
+
+  GLfloat				*TexCoordArray;
+  int					HaveTexCoordArray;
+
+  //////////
+  // Constructor
+  GemState();
+
+  float texCoordX(int num) {
+    if (texture && numTexCoords > num)
+      return texCoords[num].s;
+    else return 0.;
+  }
+
+  float texCoordY(int num) {
+    if (texture && numTexCoords > num)
+      return texCoords[num].t;
+    else return 0.;
+  }
+
+  /* reset (parts of?) the GemState: to be called from [gemhead] */
+  void reset();
+
+};
+    	
+#endif	// for header file