1 files changed, 50 insertions, 0 deletions
diff --git a/inc/cad/solve.h b/inc/cad/solve.h
new file mode 100644
index 0000000..cb2c4ac
--- /dev/null
+++ b/inc/cad/solve.h
@@ -0,0 +1,50 @@
+#pragma once
+
+#include "cad/construction.h"
+
+#define SEARCH_DEPTH 16
+
+enum component_type {
+	COM_POINT,
+	COM_LINE,
+};
+
+struct component {
+	enum component_type type;
+
+	struct element *e;
+
+	bool show_when_placed;
+
+	double min;
+	double max;
+	bool min_max_init;
+	bool drawn;
+};
+
+extern char *constraint_type_name[];
+enum constraint_type {
+	CT_POINT_POINT_DISTANCE,
+	CT_POINT_LINE_DISTANCE,
+	CT_LINE_LINE_ANGLE,
+};
+
+struct path_step {
+	uint64_t i;
+	bool direction;
+};
+
+struct constraint {
+	enum constraint_type type;
+	double v;
+
+	struct component *c1;
+	struct component *c2;
+
+	uint64_t order;
+	struct path_step path[SEARCH_DEPTH];
+	bool forward;
+	bool used;
+};
+
+bool solve_constraints(struct constraint *constraints, size_t constraints_num, struct drawing *drawing);