2D GPU Particles working..

6 files changed, 48 insertions, 1 deletions

diff --git a/servers/visual/rasterizer.h b/servers/visual/rasterizer.h
index 07d6542b62..43452b714c 100644
--- a/servers/visual/rasterizer.h
+++ b/servers/visual/rasterizer.h
@@ -612,6 +612,7 @@ public:
 				TYPE_POLYGON,
 				TYPE_MESH,
 				TYPE_MULTIMESH,
+				TYPE_PARTICLES,
 				TYPE_CIRCLE,
 				TYPE_TRANSFORM,
 				TYPE_CLIP_IGNORE,
@@ -707,6 +708,16 @@ public:
 			CommandMultiMesh() { type = TYPE_MULTIMESH; }
 		};
 
+		struct CommandParticles : public Command {
+
+			RID particles;
+			RID texture;
+			RID normal_map;
+			int h_frames;
+			int v_frames;
+			CommandParticles() { type = TYPE_PARTICLES; }
+		};
+
 		struct CommandCircle : public Command {
 
 			Point2 pos;
@@ -845,6 +856,15 @@ public:
 						r = Rect2(aabb.position.x, aabb.position.y, aabb.size.x, aabb.size.y);
 
 					} break;
+					case Item::Command::TYPE_PARTICLES: {
+
+						const Item::CommandParticles *particles_cmd = static_cast<const Item::CommandParticles *>(c);
+						if (particles_cmd->particles.is_valid()) {
+							Rect3 aabb = RasterizerStorage::base_singleton->particles_get_aabb(particles_cmd->particles);
+							r = Rect2(aabb.position.x, aabb.position.y, aabb.size.x, aabb.size.y);
+						}
+
+					} break;
 					case Item::Command::TYPE_CIRCLE: {
 
 						const Item::CommandCircle *circle = static_cast<const Item::CommandCircle *>(c);
diff --git a/servers/visual/visual_server_canvas.cpp b/servers/visual/visual_server_canvas.cpp
index 2ef1fd417b..616990b311 100644
--- a/servers/visual/visual_server_canvas.cpp
+++ b/servers/visual/visual_server_canvas.cpp
@@ -637,6 +637,25 @@ void VisualServerCanvas::canvas_item_add_mesh(RID p_item, const RID &p_mesh, RID
 
 	canvas_item->commands.push_back(m);
 }
+void VisualServerCanvas::canvas_item_add_particles(RID p_item, RID p_particles, RID p_texture, RID p_normal, int p_h_frames, int p_v_frames) {
+
+	Item *canvas_item = canvas_item_owner.getornull(p_item);
+	ERR_FAIL_COND(!canvas_item);
+
+	Item::CommandParticles *part = memnew(Item::CommandParticles);
+	ERR_FAIL_COND(!part);
+	part->particles = p_particles;
+	part->texture = p_texture;
+	part->normal_map = p_normal;
+	part->h_frames = p_h_frames;
+	part->v_frames = p_v_frames;
+
+	//take the chance and request processing for them, at least once until they become visible again
+	VSG::storage->particles_request_process(p_particles);
+
+	canvas_item->commands.push_back(part);
+}
+
 void VisualServerCanvas::canvas_item_add_multimesh(RID p_item, RID p_mesh, RID p_skeleton) {
 
 	Item *canvas_item = canvas_item_owner.getornull(p_item);
diff --git a/servers/visual/visual_server_canvas.h b/servers/visual/visual_server_canvas.h
index 2c86b14c70..f78ef635f4 100644
--- a/servers/visual/visual_server_canvas.h
+++ b/servers/visual/visual_server_canvas.h
@@ -173,6 +173,7 @@ public:
 	void canvas_item_add_triangle_array(RID p_item, const Vector<int> &p_indices, const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs = Vector<Point2>(), RID p_texture = RID(), int p_count = -1, RID p_normal_map = RID());
 	void canvas_item_add_mesh(RID p_item, const RID &p_mesh, RID p_skeleton = RID());
 	void canvas_item_add_multimesh(RID p_item, RID p_mesh, RID p_skeleton = RID());
+	void canvas_item_add_particles(RID p_item, RID p_particles, RID p_texture, RID p_normal, int p_h_frames, int p_v_frames);
 	void canvas_item_add_set_transform(RID p_item, const Transform2D &p_transform);
 	void canvas_item_add_clip_ignore(RID p_item, bool p_ignore);
 	void canvas_item_set_sort_children_by_y(RID p_item, bool p_enable);
diff --git a/servers/visual/visual_server_raster.h b/servers/visual/visual_server_raster.h
index c48bee7fa4..03af60dcd5 100644
--- a/servers/visual/visual_server_raster.h
+++ b/servers/visual/visual_server_raster.h
@@ -877,7 +877,8 @@ public:
 	BIND2(particles_set_draw_passes, RID, int)
 	BIND3(particles_set_draw_pass_mesh, RID, int, RID)
 
-	BIND1R(Rect3, particles_get_current_aabb, RID);
+	BIND1R(Rect3, particles_get_current_aabb, RID)
+	BIND2(particles_set_emission_transform, RID, const Transform &)
 
 #undef BINDBASE
 //from now on, calls forwarded to this singleton
@@ -1049,6 +1050,7 @@ public:
 	BIND8(canvas_item_add_triangle_array, RID, const Vector<int> &, const Vector<Point2> &, const Vector<Color> &, const Vector<Point2> &, RID, int, RID)
 	BIND3(canvas_item_add_mesh, RID, const RID &, RID)
 	BIND3(canvas_item_add_multimesh, RID, RID, RID)
+	BIND6(canvas_item_add_particles, RID, RID, RID, RID, int, int)
 	BIND2(canvas_item_add_set_transform, RID, const Transform2D &)
 	BIND2(canvas_item_add_clip_ignore, RID, bool)
 	BIND2(canvas_item_set_sort_children_by_y, RID, bool)
diff --git a/servers/visual/visual_server_wrap_mt.h b/servers/visual/visual_server_wrap_mt.h
index 94cbfc815e..79a7805472 100644
--- a/servers/visual/visual_server_wrap_mt.h
+++ b/servers/visual/visual_server_wrap_mt.h
@@ -320,6 +320,7 @@ public:
 
 	FUNC2(particles_set_draw_passes, RID, int)
 	FUNC3(particles_set_draw_pass_mesh, RID, int, RID)
+	FUNC2(particles_set_emission_transform, RID, const Transform &)
 
 	FUNC1R(Rect3, particles_get_current_aabb, RID)
 
@@ -476,6 +477,7 @@ public:
 	FUNC8(canvas_item_add_triangle_array, RID, const Vector<int> &, const Vector<Point2> &, const Vector<Color> &, const Vector<Point2> &, RID, int, RID)
 	FUNC3(canvas_item_add_mesh, RID, const RID &, RID)
 	FUNC3(canvas_item_add_multimesh, RID, RID, RID)
+	FUNC6(canvas_item_add_particles, RID, RID, RID, RID, int, int)
 	FUNC2(canvas_item_add_set_transform, RID, const Transform2D &)
 	FUNC2(canvas_item_add_clip_ignore, RID, bool)
 	FUNC2(canvas_item_set_sort_children_by_y, RID, bool)
diff --git a/servers/visual_server.h b/servers/visual_server.h
index 589fa80084..bc72c8a5a1 100644
--- a/servers/visual_server.h
+++ b/servers/visual_server.h
@@ -501,6 +501,8 @@ public:
 
 	virtual Rect3 particles_get_current_aabb(RID p_particles) = 0;
 
+	virtual void particles_set_emission_transform(RID p_particles, const Transform &p_transform) = 0; //this is only used for 2D, in 3D it's automatic
+
 	/* CAMERA API */
 
 	virtual RID camera_create() = 0;
@@ -793,6 +795,7 @@ public:
 	virtual void canvas_item_add_triangle_array(RID p_item, const Vector<int> &p_indices, const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs = Vector<Point2>(), RID p_texture = RID(), int p_count = -1, RID p_normal_map = RID()) = 0;
 	virtual void canvas_item_add_mesh(RID p_item, const RID &p_mesh, RID p_skeleton = RID()) = 0;
 	virtual void canvas_item_add_multimesh(RID p_item, RID p_mesh, RID p_skeleton = RID()) = 0;
+	virtual void canvas_item_add_particles(RID p_item, RID p_particles, RID p_texture, RID p_normal_map, int p_h_frames, int p_v_frames) = 0;
 	virtual void canvas_item_add_set_transform(RID p_item, const Transform2D &p_transform) = 0;
 	virtual void canvas_item_add_clip_ignore(RID p_item, bool p_ignore) = 0;
 	virtual void canvas_item_set_sort_children_by_y(RID p_item, bool p_enable) = 0;