From e48af6f10b687f09f1b1a1d983890f16e55235d7 Mon Sep 17 00:00:00 2001
From: Nils Thuerey <nils@thuerey.de>
Date: Mon, 27 Feb 2006 11:56:04 +0000
Subject: - elbeem.h header file was missing

---
 intern/elbeem/extern/elbeem.h | 164 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 164 insertions(+)
 create mode 100644 intern/elbeem/extern/elbeem.h

(limited to 'intern')

diff --git a/intern/elbeem/extern/elbeem.h b/intern/elbeem/extern/elbeem.h
new file mode 100644
index 00000000000..83a9cb99afc
--- /dev/null
+++ b/intern/elbeem/extern/elbeem.h
@@ -0,0 +1,164 @@
+/******************************************************************************
+ *
+ * El'Beem - Free Surface Fluid Simulation with the Lattice Boltzmann Method
+ * All code distributed as part of El'Beem is covered by the version 2 of the 
+ * GNU General Public License. See the file COPYING for details.
+ * Copyright 2003-2005 Nils Thuerey
+ *
+ * API header
+ */
+#ifndef ELBEEM_API_H
+#define ELBEEM_API_H
+
+
+/*! blender types for mesh->type */
+//#define OB_FLUIDSIM_DOMAIN      2
+#define OB_FLUIDSIM_FLUID       4
+#define OB_FLUIDSIM_OBSTACLE    8
+#define OB_FLUIDSIM_INFLOW      16
+#define OB_FLUIDSIM_OUTFLOW     32
+
+#define FLUIDSIM_OBSTACLE_NOSLIP     1
+#define FLUIDSIM_OBSTACLE_PARTSLIP   2
+#define FLUIDSIM_OBSTACLE_FREESLIP   3
+
+
+// global settings for the simulation
+typedef struct elbeemSimulationSettings {
+  /* version number */
+  short version;
+
+	/* geometrical extent */
+	float geoStart[3], geoSize[3];
+
+  /* resolutions */
+  short resolutionxyz;
+  short previewresxyz;
+  /* size of the domain in real units (meters along largest resolution x,y,z extent) */
+  float realsize;
+
+  /* fluid properties */
+  double viscosity;
+  /* gravity strength */
+  float gravity[3];
+  /* anim start end time */
+  float animStart, aniFrameTime;
+	/* no. of frames to simulate & output */
+	short noOfFrames;
+  /* g star param (LBM compressibility) */
+  float gstar;
+  /* activate refinement? */
+  short maxRefine;
+  /* amount of particles to generate (0=off) */
+  float generateParticles;
+
+  /* store output path, and file prefix for baked fluid surface */
+  char outputPath[160+80];
+
+	/* channel for frame time, visc & gravity animations */
+	int channelSizeFrameTime;
+	float *channelFrameTime;
+	int channelSizeViscosity;
+	float *channelViscosity;
+	int channelSizeGravity;
+	float *channelGravity;  // vector
+
+	/* boundary types and settings for domain walls */
+	short obstacleType;
+	float obstaclePartslip;
+	/* generate speed vectors for vertices (e.g. for image based motion blur)*/
+	short generateVertexVectors;
+	/* strength of surface smoothing */
+	float surfaceSmoothing;
+
+	/* global transformation to apply to fluidsim mesh */
+	float surfaceTrafo[4*4];
+} elbeemSimulationSettings;
+
+
+// a single mesh object
+typedef struct elbeemMesh {
+  /* obstacle,fluid or inflow... */
+  short type;
+
+	/* vertices */
+  int numVertices;
+	float *vertices; // = float[][3];
+
+	/* triangles */
+	int   numTriangles;
+  int   *triangles; // = int[][3];
+
+	/* animation channels */
+	int channelSizeTranslation;
+	float *channelTranslation;
+	int channelSizeRotation;
+	float *channelRotation;
+	int channelSizeScale;
+	float *channelScale;
+	
+	/* active channel */
+	int channelSizeActive;
+	float *channelActive;
+	/* initial velocity channel (e.g. for inflow) */
+	int channelSizeInitialVel;
+	float *channelInitialVel; // vector
+	/* use initial velocity in object coordinates? (e.g. for rotation) */
+	short localInivelCoords;
+	/* boundary types and settings */
+	short obstacleType;
+	float obstaclePartslip;
+
+	/* name of the mesh, mostly for debugging */
+	char *name;
+} elbeemMesh;
+
+// API functions
+
+#ifdef __cplusplus
+extern "C"  {
+#endif // __cplusplus
+ 
+// reset elbeemSimulationSettings struct with defaults
+void elbeemResetSettings(struct elbeemSimulationSettings*);
+ 
+// start fluidsim init
+int elbeemInit(struct elbeemSimulationSettings*);
+
+// reset elbeemMesh struct with zeroes
+void elbeemResetMesh(struct elbeemMesh*);
+
+// add mesh as fluidsim object
+int elbeemAddMesh(struct elbeemMesh*);
+
+// do the actual simulation
+int elbeemSimulate(void);
+
+
+// helper function - simplify animation channels
+// returns if the channel and its size changed
+int elbeemSimplifyChannelFloat(float *channel, int *size);
+int elbeemSimplifyChannelVec3(float *channel, int *size);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+/******************************************************************************/
+// internal defines, do not use for setting up simulation
+
+/*! fluid geometry init types */
+#define FGI_FLAGSTART   16
+#define FGI_FLUID			  (1<<(FGI_FLAGSTART+ 0))
+#define FGI_NO_FLUID	  (1<<(FGI_FLAGSTART+ 1))
+#define FGI_BNDNO			  (1<<(FGI_FLAGSTART+ 2))
+#define FGI_BNDFREE		  (1<<(FGI_FLAGSTART+ 3))
+#define FGI_BNDPART		  (1<<(FGI_FLAGSTART+ 4))
+#define FGI_NO_BND		  (1<<(FGI_FLAGSTART+ 5))
+#define FGI_MBNDINFLOW	(1<<(FGI_FLAGSTART+ 6))
+#define FGI_MBNDOUTFLOW	(1<<(FGI_FLAGSTART+ 7))
+
+#define FGI_ALLBOUNDS ( FGI_BNDNO | FGI_BNDFREE | FGI_BNDPART | FGI_MBNDINFLOW | FGI_MBNDOUTFLOW )
+
+
+#endif // ELBEEM_API_H
-- 
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