X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=blender%2Fio_mspgl%2Fexport_animation.py;fp=blender%2Fio_mspgl%2Fexport_animation.py;h=b990e054ff0c8b8196207a1c1ef7c65e728eaf1d;hb=f2cab83d5704f3f4a91f551f402187637e5063d2;hp=0000000000000000000000000000000000000000;hpb=553f3ec4fbe28a37978ee53b9b6e22fedb691e1d;p=libs%2Fgl.git

diff --git a/blender/io_mspgl/export_animation.py b/blender/io_mspgl/export_animation.py
new file mode 100644
index 00000000..b990e054
--- /dev/null
+++ b/blender/io_mspgl/export_animation.py
@@ -0,0 +1,65 @@
+import math
+
+class AnimationExporter:
+	def export_to_file(self, context, out_fn):
+		anim_data = context.active_object.animation_data
+		if not anim_data:
+			raise Exception("Object has no animation data")
+		if not anim_data.action:
+			raise Exception("No active action")
+
+		resource = self.export_animation(context, anim_data.action)
+
+		with open(out_fn, "w") as out_file:
+			for s in resource.statements:
+				s.write_to_file(out_file)
+
+	def export_animation(self, context, action):
+		from .animation import create_animation_from_action
+		anim = create_animation_from_action(context, action)
+
+		from .datafile import Resource, Statement
+		resource = Resource(action.name+".anim")
+
+		components = [(0, "location", "position"), (1, "rotation_euler", "euler"), (2, "scale", "scale")]
+		coords = "xyz"
+		prev_time = 0.0
+		for k in anim.keyframes:
+			if k.time>prev_time:
+				resource.statements.append(Statement("interval", k.time-prev_time))
+				prev_time = k.time
+
+			st = Statement("control_keyframe" if k.control else "keyframe")
+
+			transform = [0.0]*9
+			mask = 0
+			for c, i in k.curves:
+				for j, dp, kw in components:
+					if c.data_path==dp:
+						transform[j*3+c.array_index] = c.knots[i][1]
+						mask |= 1<<(j*3+c.array_index)
+						break
+
+			if mask:
+				ss = Statement("transform")
+
+				for i, dp, kw in components:
+					v = transform[i*3:i*3+3]
+					if i==1:
+						v = [c*180/math.pi for c in v]
+
+					m = 7<<(i*3)
+					if (mask&m)==m:
+						ss.sub.append(Statement(kw, *v))
+					else:
+						m &= m>>2
+						for j in range(3):
+							if mask&(m<<j):
+								ss.sub.append(Statement("{}_{}".format(kw, coords[j]), v[j]))
+
+				st.sub.append(ss)
+
+			resource.statements.append(st)
+
+		return resource
+