CoCalc -- mesh_storage.h

GitHub Repository: godotengine/godot
Path: blob/master/servers/rendering/dummy/storage/mesh_storage.h
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/**************************************************************************/
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/*  mesh_storage.h                                                        */
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/**************************************************************************/
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/*                         This file is part of:                          */
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/*                             GODOT ENGINE                               */
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/*                        https://godotengine.org                         */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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/*                                                                        */
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/* Permission is hereby granted, free of charge, to any person obtaining  */
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/* a copy of this software and associated documentation files (the        */
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/* "Software"), to deal in the Software without restriction, including    */
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/* without limitation the rights to use, copy, modify, merge, publish,    */
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/* distribute, sublicense, and/or sell copies of the Software, and to     */
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/* permit persons to whom the Software is furnished to do so, subject to  */
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/* the following conditions:                                              */
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/*                                                                        */
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/* The above copyright notice and this permission notice shall be         */
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/* included in all copies or substantial portions of the Software.        */
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/*                                                                        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
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/**************************************************************************/
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#pragma once
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#include "core/templates/rid_owner.h"
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#include "servers/rendering/storage/mesh_storage.h"
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namespace RendererDummy {
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struct DummyMesh {
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	Vector<RS::SurfaceData> surfaces;
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	int blend_shape_count;
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	RS::BlendShapeMode blend_shape_mode;
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	PackedFloat32Array blend_shape_values;
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	Dependency dependency;
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};
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class MeshStorage : public RendererMeshStorage {
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private:
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	static MeshStorage *singleton;
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	mutable RID_Owner<DummyMesh> mesh_owner;
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	struct DummyMultiMesh {
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		PackedFloat32Array buffer;
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	};
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	mutable RID_Owner<DummyMultiMesh> multimesh_owner;
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public:
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	static MeshStorage *get_singleton() { return singleton; }
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	MeshStorage();
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	~MeshStorage();
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	/* MESH API */
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	DummyMesh *get_mesh(RID p_rid) { return mesh_owner.get_or_null(p_rid); }
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	bool owns_mesh(RID p_rid) { return mesh_owner.owns(p_rid); }
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	virtual RID mesh_allocate() override;
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	virtual void mesh_initialize(RID p_rid) override;
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	virtual void mesh_free(RID p_rid) override;
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	virtual void mesh_set_blend_shape_count(RID p_mesh, int p_blend_shape_count) override {
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		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
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		ERR_FAIL_NULL(m);
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		m->blend_shape_count = p_blend_shape_count;
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	}
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	virtual bool mesh_needs_instance(RID p_mesh, bool p_has_skeleton) override { return false; }
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	virtual void mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface) override {
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		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
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		ERR_FAIL_NULL(m);
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		m->surfaces.push_back(RS::SurfaceData());
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		RS::SurfaceData *s = &m->surfaces.write[m->surfaces.size() - 1];
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		s->format = p_surface.format;
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		s->primitive = p_surface.primitive;
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		s->vertex_data = p_surface.vertex_data;
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		s->attribute_data = p_surface.attribute_data;
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		s->vertex_count = p_surface.vertex_count;
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		s->index_data = p_surface.index_data;
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		s->index_count = p_surface.index_count;
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		s->aabb = p_surface.aabb;
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		s->skin_data = p_surface.skin_data;
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		s->lods = p_surface.lods;
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		s->bone_aabbs = p_surface.bone_aabbs;
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		s->mesh_to_skeleton_xform = p_surface.mesh_to_skeleton_xform;
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		s->blend_shape_data = p_surface.blend_shape_data;
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		s->uv_scale = p_surface.uv_scale;
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		s->material = p_surface.material;
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		m->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_MESH);
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	}
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	virtual int mesh_get_blend_shape_count(RID p_mesh) const override {
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		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
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		ERR_FAIL_NULL_V(m, 0);
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		return m->blend_shape_count;
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	}
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	virtual void mesh_set_blend_shape_mode(RID p_mesh, RS::BlendShapeMode p_mode) override {
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		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
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		ERR_FAIL_NULL(m);
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		m->blend_shape_mode = p_mode;
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	}
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	virtual RS::BlendShapeMode mesh_get_blend_shape_mode(RID p_mesh) const override {
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		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
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		ERR_FAIL_NULL_V(m, RS::BLEND_SHAPE_MODE_NORMALIZED);
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		return m->blend_shape_mode;
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	}
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	virtual void mesh_surface_update_vertex_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override {}
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	virtual void mesh_surface_update_attribute_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override {}
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	virtual void mesh_surface_update_skin_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override {}
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	virtual void mesh_surface_update_index_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) override {}
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	virtual void mesh_surface_set_material(RID p_mesh, int p_surface, RID p_material) override {}
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	virtual RID mesh_surface_get_material(RID p_mesh, int p_surface) const override { return RID(); }
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	virtual RS::SurfaceData mesh_get_surface(RID p_mesh, int p_surface) const override {
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		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
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		ERR_FAIL_NULL_V(m, RS::SurfaceData());
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		ERR_FAIL_INDEX_V(p_surface, m->surfaces.size(), RS::SurfaceData());
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		RS::SurfaceData s = m->surfaces[p_surface];
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		return s;
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	}
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	virtual int mesh_get_surface_count(RID p_mesh) const override {
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		DummyMesh *m = mesh_owner.get_or_null(p_mesh);
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		ERR_FAIL_NULL_V(m, 0);
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		return m->surfaces.size();
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	}
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	virtual void mesh_set_custom_aabb(RID p_mesh, const AABB &p_aabb) override {}
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	virtual AABB mesh_get_custom_aabb(RID p_mesh) const override { return AABB(); }
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	virtual AABB mesh_get_aabb(RID p_mesh, RID p_skeleton = RID()) override { return AABB(); }
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	virtual void mesh_set_path(RID p_mesh, const String &p_path) override {}
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	virtual String mesh_get_path(RID p_mesh) const override { return String(); }
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	virtual void mesh_set_shadow_mesh(RID p_mesh, RID p_shadow_mesh) override {}
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	virtual void mesh_surface_remove(RID p_mesh, int p_surface) override;
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	virtual void mesh_clear(RID p_mesh) override;
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	virtual void mesh_debug_usage(List<RS::MeshInfo> *r_info) override {}
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	/* MESH INSTANCE */
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	virtual RID mesh_instance_create(RID p_base) override { return RID(); }
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	virtual void mesh_instance_free(RID p_rid) override {}
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	virtual void mesh_instance_set_skeleton(RID p_mesh_instance, RID p_skeleton) override {}
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	virtual void mesh_instance_set_blend_shape_weight(RID p_mesh_instance, int p_shape, float p_weight) override {}
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	virtual void mesh_instance_check_for_update(RID p_mesh_instance) override {}
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	virtual void mesh_instance_set_canvas_item_transform(RID p_mesh_instance, const Transform2D &p_transform) override {}
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	virtual void update_mesh_instances() override {}
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	/* MULTIMESH API */
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	bool owns_multimesh(RID p_rid) { return multimesh_owner.owns(p_rid); }
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	virtual RID _multimesh_allocate() override;
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	virtual void _multimesh_initialize(RID p_rid) override;
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	virtual void _multimesh_free(RID p_rid) override;
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	virtual void _multimesh_allocate_data(RID p_multimesh, int p_instances, RS::MultimeshTransformFormat p_transform_format, bool p_use_colors = false, bool p_use_custom_data = false, bool p_use_indirect = false) override {}
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	virtual int _multimesh_get_instance_count(RID p_multimesh) const override { return 0; }
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	virtual void _multimesh_set_mesh(RID p_multimesh, RID p_mesh) override {}
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	virtual void _multimesh_instance_set_transform(RID p_multimesh, int p_index, const Transform3D &p_transform) override {}
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	virtual void _multimesh_instance_set_transform_2d(RID p_multimesh, int p_index, const Transform2D &p_transform) override {}
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	virtual void _multimesh_instance_set_color(RID p_multimesh, int p_index, const Color &p_color) override {}
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	virtual void _multimesh_instance_set_custom_data(RID p_multimesh, int p_index, const Color &p_color) override {}
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	virtual void _multimesh_set_custom_aabb(RID p_multimesh, const AABB &p_aabb) override {}
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	virtual AABB _multimesh_get_custom_aabb(RID p_multimesh) const override { return AABB(); }
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	virtual RID _multimesh_get_mesh(RID p_multimesh) const override { return RID(); }
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	virtual AABB _multimesh_get_aabb(RID p_multimesh) override { return AABB(); }
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	virtual Transform3D _multimesh_instance_get_transform(RID p_multimesh, int p_index) const override { return Transform3D(); }
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	virtual Transform2D _multimesh_instance_get_transform_2d(RID p_multimesh, int p_index) const override { return Transform2D(); }
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	virtual Color _multimesh_instance_get_color(RID p_multimesh, int p_index) const override { return Color(); }
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	virtual Color _multimesh_instance_get_custom_data(RID p_multimesh, int p_index) const override { return Color(); }
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	virtual void _multimesh_set_buffer(RID p_multimesh, const Vector<float> &p_buffer) override;
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	virtual RID _multimesh_get_command_buffer_rd_rid(RID p_multimesh) const override { return RID(); }
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	virtual RID _multimesh_get_buffer_rd_rid(RID p_multimesh) const override { return RID(); }
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	virtual Vector<float> _multimesh_get_buffer(RID p_multimesh) const override;
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	virtual void _multimesh_set_visible_instances(RID p_multimesh, int p_visible) override {}
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	virtual int _multimesh_get_visible_instances(RID p_multimesh) const override { return 0; }
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	MultiMeshInterpolator *_multimesh_get_interpolator(RID p_multimesh) const override { return nullptr; }
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	/* SKELETON API */
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	virtual RID skeleton_allocate() override { return RID(); }
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	virtual void skeleton_initialize(RID p_rid) override {}
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	virtual void skeleton_free(RID p_rid) override {}
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	virtual void skeleton_allocate_data(RID p_skeleton, int p_bones, bool p_2d_skeleton = false) override {}
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	virtual void skeleton_set_base_transform_2d(RID p_skeleton, const Transform2D &p_base_transform) override {}
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	virtual int skeleton_get_bone_count(RID p_skeleton) const override { return 0; }
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	virtual void skeleton_bone_set_transform(RID p_skeleton, int p_bone, const Transform3D &p_transform) override {}
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	virtual Transform3D skeleton_bone_get_transform(RID p_skeleton, int p_bone) const override { return Transform3D(); }
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	virtual void skeleton_bone_set_transform_2d(RID p_skeleton, int p_bone, const Transform2D &p_transform) override {}
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	virtual Transform2D skeleton_bone_get_transform_2d(RID p_skeleton, int p_bone) const override { return Transform2D(); }
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	virtual void skeleton_update_dependency(RID p_base, DependencyTracker *p_instance) override {}
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	/* OCCLUDER */
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	void occluder_set_mesh(RID p_occluder, const PackedVector3Array &p_vertices, const PackedInt32Array &p_indices) {}
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};
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} // namespace RendererDummy
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