Remove Blender Internal and legacy viewport from Blender 2.8.

Brecht authored this commit, but he gave me the honours to actually
do it. Here it goes; Blender Internal. Bye bye, you did great!

* Point density, voxel data, ocean, environment map textures were removed,
  as these only worked within BI rendering. Note that the ocean modifier
  and the Cycles point density shader node continue to work.
* Dynamic paint using material shading was removed, as this only worked
  with BI. If we ever wanted to support this again probably it should go
  through the baking API.
* GPU shader export through the Python API was removed. This only worked
  for the old BI GLSL shaders, which no longer exists. Doing something
  similar for Eevee would be significantly more complicated because it
  uses a lot of multiplass rendering and logic outside the shader, it's
  probably impractical.
* Collada material import / export code is mostly gone, as it only worked
  for BI materials. We need to add Cycles / Eevee material support at some
  point.
* The mesh noise operator was removed since it only worked with BI
  material texture slots. A displacement modifier can be used instead.
* The delete texture paint slot operator was removed since it only worked
  for BI material texture slots. Could be added back with node support.

* Not all legacy viewport features are supported in the new viewport, but
  their code was removed. If we need to bring anything back we can look at
  older git revisions.
* There is some legacy viewport code that I could not remove yet, and some
  that I probably missed.
* Shader node execution code was left mostly intact, even though it is not
  used anywhere now. We may eventually use this to replace the texture
  nodes with Cycles / Eevee shader nodes.

* The Cycles Bake panel now includes settings for baking multires normal
  and displacement maps. The underlying code needs to be merged properly,
  and we plan to add back support for multires AO baking and add support
  to Cycles baking for features like vertex color, displacement, and other
  missing baking features.

* This commit removes DNA and the Python API for BI material, lamp, world
  and scene settings. This breaks a lot of addons.
* There is more DNA that can be removed or renamed, where Cycles or Eevee
  are reusing some old BI properties but the names are not really correct
  anymore.
* Texture slots for materials, lamps and world were removed. They remain
  for brushes, particles and freestyle linestyles.
* 'BLENDER_RENDER' remains in the COMPAT_ENGINES of UI panels. Cycles and
  other renderers use this to find all panels to show, minus a few panels
  that they have their own replacement for.

1 files changed, 7 insertions, 125 deletions

diff --git a/source/blender/makesdna/DNA_texture_types.h b/source/blender/makesdna/DNA_texture_types.h
index 0eb54a9b5b3..f5267f20d2c 100644
--- a/source/blender/makesdna/DNA_texture_types.h
+++ b/source/blender/makesdna/DNA_texture_types.h
@@ -45,13 +45,11 @@ extern "C" {
 struct AnimData;
 struct Ipo;
 struct ColorBand;
-struct EnvMap;
 struct Object;
 struct Tex;
 struct Image;
 struct PreviewImage;
 struct ImBuf;
-struct Ocean;
 struct CurveMapping;
 
 typedef struct MTex {
@@ -121,21 +119,6 @@ typedef struct ColorBand {
 	CBData data[32];
 } ColorBand;
 
-typedef struct EnvMap {
-	struct Object *object;
-	struct Image *ima;		/* type ENV_LOAD */
-	struct ImBuf *cube[6];		/* these images are dynamic, not part of the main struct */
-	float imat[4][4];
-	float obimat[3][3];
-	short type, stype;
-	float clipsta, clipend;
-	float viewscale;	/* viewscale is for planar envmaps to zoom in or out */
-	unsigned int notlay;
-	short cuberes, depth;
-	int ok, lastframe;
-	short recalc, lastsize;
-} EnvMap;
-
 typedef struct PointDensity {
 	short flag;
 
@@ -172,38 +155,6 @@ typedef struct PointDensity {
 	struct CurveMapping *falloff_curve; /* falloff density curve */
 } PointDensity;
 
-typedef struct VoxelData {
-	int resol[3];
-	int interp_type;
-	short file_format;
-	short flag;
-	short extend;
-	short smoked_type;
-	short hair_type;
-	short data_type;
-	int _pad;
-	
-	struct Object *object; /* for rendering smoke sims */
-	float int_multiplier;
-	int still_frame;
-	char source_path[1024];  /* 1024 = FILE_MAX */
-
-	/* temporary data */
-	float *dataset;
-	int cachedframe;
-	int ok;
-	
-} VoxelData;
-
-typedef struct OceanTex {
-	struct Object *object;
-	char oceanmod[64];
-	
-	int output;
-	int pad;
-	
-} OceanTex;
-	
 typedef struct Tex {
 	ID id;
 	struct AnimData *adt;	/* animation data (must be immediately after id for utilities to use it) */ 
@@ -254,11 +205,7 @@ typedef struct Tex {
 	struct Ipo *ipo  DNA_DEPRECATED;  /* old animation system, deprecated for 2.5 */
 	struct Image *ima;
 	struct ColorBand *coba;
-	struct EnvMap *env;
 	struct PreviewImage *preview;
-	struct PointDensity *pd;
-	struct VoxelData *vd;
-	struct OceanTex *ot;
 	
 	char use_nodes;
 	char pad[7];
@@ -316,13 +263,13 @@ typedef struct ColorMapping {
 #define TEX_NOISE		7
 #define TEX_IMAGE		8
 //#define TEX_PLUGIN		9 /* Deprecated */
-#define TEX_ENVMAP		10
+//#define TEX_ENVMAP		10 /* Deprecated */
 #define TEX_MUSGRAVE	11
 #define TEX_VORONOI		12
 #define TEX_DISTNOISE	13
-#define TEX_POINTDENSITY	14
-#define TEX_VOXELDATA		15
-#define TEX_OCEAN		16
+//#define TEX_POINTDENSITY	14 /* Deprecated */
+//#define TEX_VOXELDATA		15 /* Deprecated */
+//#define TEX_OCEAN			16 /* Deprecated */
 
 /* musgrave stype */
 #define TEX_MFRACTAL		0
@@ -549,22 +496,6 @@ enum {
 	COLBAND_HUE_CCW     = 3,
 };
 
-/* **************** EnvMap ********************* */
-
-/* type */
-#define ENV_CUBE	0
-#define ENV_PLANE	1
-#define ENV_SPHERE	2
-
-/* stype */
-#define ENV_STATIC	0
-#define ENV_ANIM	1
-#define ENV_LOAD	2
-
-/* ok */
-#define ENV_NORMAL	1
-#define ENV_OSA		2
-
 /* **************** PointDensity ********************* */
 
 /* source */
@@ -592,9 +523,9 @@ enum {
 
 /* noise_influence */
 #define TEX_PD_NOISE_STATIC		0
-#define TEX_PD_NOISE_VEL		1
-#define TEX_PD_NOISE_AGE		2
-#define TEX_PD_NOISE_TIME		3
+/* #define TEX_PD_NOISE_VEL		1 */ /* Deprecated */
+/* #define TEX_PD_NOISE_AGE		2 */ /* Deprecated */
+/* #define TEX_PD_NOISE_TIME	3 */ /* Deprecated */
 
 /* color_source */
 enum {
@@ -613,55 +544,6 @@ enum {
 #define POINT_DATA_LIFE		2
 #define POINT_DATA_COLOR	4
 
-/******************** Voxel Data *****************************/
-/* flag */
-#define TEX_VD_STILL			1
-
-/* interpolation */
-#define TEX_VD_NEARESTNEIGHBOR		0
-#define TEX_VD_LINEAR				1
-#define TEX_VD_QUADRATIC        2
-#define TEX_VD_TRICUBIC_CATROM  3
-#define TEX_VD_TRICUBIC_BSPLINE 4
-#define TEX_VD_TRICUBIC_SLOW    5
-
-/* file format */
-#define TEX_VD_BLENDERVOXEL		0
-#define TEX_VD_RAW_8BIT			1
-#define TEX_VD_RAW_16BIT		2
-#define TEX_VD_IMAGE_SEQUENCE	3
-#define TEX_VD_SMOKE			4
-#define TEX_VD_HAIR				5
-/* for voxels which use VoxelData->source_path */
-#define TEX_VD_IS_SOURCE_PATH(_format) (ELEM(_format, TEX_VD_BLENDERVOXEL, TEX_VD_RAW_8BIT, TEX_VD_RAW_16BIT))
-
-/* smoke data types */
-#define TEX_VD_SMOKEDENSITY		0
-#define TEX_VD_SMOKEHEAT		1
-#define TEX_VD_SMOKEVEL			2
-#define TEX_VD_SMOKEFLAME		3
-
-#define TEX_VD_HAIRDENSITY		0
-#define TEX_VD_HAIRVELOCITY		1
-#define TEX_VD_HAIRENERGY		2
-#define TEX_VD_HAIRRESTDENSITY	3
-
-/* data_type */
-#define TEX_VD_INTENSITY		0
-#define TEX_VD_RGBA_PREMUL		1
-
-/******************** Ocean *****************************/
-/* output */
-#define TEX_OCN_DISPLACEMENT	1
-#define TEX_OCN_FOAM			2
-#define TEX_OCN_JPLUS			3
-#define TEX_OCN_EMINUS			4	
-#define TEX_OCN_EPLUS			5
-
-/* flag */
-#define TEX_OCN_GENERATE_NORMALS	1	
-#define TEX_OCN_XZ				2	
-	
 #ifdef __cplusplus
 }
 #endif