1 files changed, 186 insertions, 0 deletions
diff --git a/source/blender/src/parametrizer_intern.h b/source/blender/src/parametrizer_intern.h
new file mode 100644
index 00000000000..4086372e2d5
--- /dev/null
+++ b/source/blender/src/parametrizer_intern.h
@@ -0,0 +1,186 @@
+
+#ifndef __PARAMETRIZER_INTERN_H__
+#define __PARAMETRIZER_INTERN_H__
+
+/* Hash:
+   -----
+   - insert only
+   - elements are all stored in a flat linked list
+*/
+
+typedef long PHashKey;
+
+typedef struct PHashLink {
+	struct PHashLink *next;
+	PHashKey key;
+} PHashLink;
+
+typedef struct PHash {
+	PHashLink *first;
+	PHashLink **buckets;
+	int size, cursize, cursize_id;
+} PHash;
+
+PHash *phash_new(int sizehint);
+void phash_delete_with_links(PHash *ph);
+void phash_delete(PHash *ph);
+
+int phash_size(PHash *ph);
+
+void phash_insert(PHash *ph, PHashLink *link);
+PHashLink *phash_lookup(PHash *ph, PHashKey key);
+PHashLink *phash_next(PHash *ph, PHashKey key, PHashLink *link);
+
+#if 0
+	#define param_assert(condition)
+	#define param_warning(message);
+#else
+	#define param_assert(condition) \
+		if (!(condition)) \
+			{ printf("Assertion %s:%d\n", __FILE__, __LINE__); abort(); }
+	#define param_warning(message) \
+		{ printf("Warning %s:%d: %s\n", __FILE__, __LINE__, message);
+#endif
+
+typedef enum PBool {
+	P_TRUE = 1,
+	P_FALSE = 0
+} PBool;
+
+struct PVert;
+struct PEdge;
+struct PFace;
+struct PChart;
+struct PHandle;
+
+/* Heap */
+
+typedef struct PHeapLink {
+	void *ptr;
+	float value;
+	int index;
+} PHeapLink;
+
+typedef struct PHeap {
+	unsigned int size;
+	unsigned int bufsize;
+	PHeapLink *links;
+	PHeapLink **tree;
+} PHeap;
+
+/* Simplices */
+
+typedef struct PVert {
+	struct PVertLink {
+		struct PVert *next;
+		PHashKey key;
+	} link;
+
+	struct PEdge *edge;
+	float *co;
+	float uv[2];
+	int flag;
+
+	union PVertUnion {
+		int index; /* lscm matrix index */
+		float distortion; /* area smoothing */
+	} u;
+} PVert; 
+
+typedef struct PEdge {
+	struct PEdgeLink {
+		struct PEdge *next;
+		PHashKey key;
+	} link;
+
+	struct PVert *vert;
+	struct PEdge *pair;
+	struct PEdge *next;
+	struct PFace *face;
+	float *orig_uv, old_uv[2];
+	int flag;
+
+	union PEdgeUnion {
+		PHeapLink *heaplink;
+	} u;
+} PEdge;
+
+typedef struct PFace {
+	struct PFaceLink {
+		struct PFace *next;
+		PHashKey key;
+	} link;
+
+	struct PEdge *edge;
+	int flag;
+
+	union PFaceUnion {
+		int chart; /* chart construction */
+		float area3d; /* stretch */
+	} u;
+} PFace;
+
+enum PVertFlag {
+	PVERT_PIN = 1,
+	PVERT_SELECT = 2
+};
+
+enum PEdgeFlag {
+	PEDGE_SEAM = 1,
+	PEDGE_VERTEX_SPLIT = 2,
+	PEDGE_PIN = 4,
+	PEDGE_SELECT = 8,
+	PEDGE_DONE = 16,
+	PEDGE_FILLED = 32
+};
+
+/* for flipping faces */
+#define PEDGE_VERTEX_FLAGS (PEDGE_PIN)
+
+enum PFaceFlag {
+	PFACE_CONNECTED = 1,
+	PFACE_FILLED = 2
+};
+
+/* Chart */
+
+typedef struct PChart {
+	PHash *verts;
+	PHash *edges;
+	PHash *faces;
+
+	union PChartUnion {
+		struct PChartLscm {
+			NLContext context;
+			float *abf_alpha;
+			PVert *singlepin;
+			PVert *pin1, *pin2;
+		} lscm;
+		struct PChartPack {
+			float rescale;
+			float size[2], trans[2];
+		} pack;
+	} u;
+
+	struct PHandle *handle;
+} PChart;
+
+enum PHandleState {
+	PHANDLE_STATE_ALLOCATED,
+	PHANDLE_STATE_CONSTRUCTED,
+	PHANDLE_STATE_LSCM,
+	PHANDLE_STATE_STRETCH,
+};
+
+typedef struct PHandle {
+	PChart *construction_chart;
+	PChart **charts;
+	int ncharts;
+	enum PHandleState state;
+	MemArena *arena;
+	PBool implicit;
+	RNG *rng;
+} PHandle;
+
+#endif /*__PARAMETRIZER_INTERN_H__*/
+