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godot/scene/resources/material.h
Rémi Verschelde 0be6d925dc Style: clang-format: Disable KeepEmptyLinesAtTheStartOfBlocks 
Which means that reduz' beloved style which we all became used to
will now be changed automatically to remove the first empty line.

This makes us lean closer to 1TBS (the one true brace style) instead
of hybridating it with some Allman-inspired spacing.

There's still the case of braces around single-statement blocks that
needs to be addressed (but clang-format can't help with that, but
clang-tidy may if we agree about it).

Part of #33027.
2020-05-14 16:54:55 +02:00

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/*************************************************************************/
/* material.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef MATERIAL_H
#define MATERIAL_H
#include "core/resource.h"
#include "core/self_list.h"
#include "scene/resources/shader.h"
#include "scene/resources/texture.h"
#include "servers/rendering/shader_language.h"
#include "servers/rendering_server.h"
class Material : public Resource {
GDCLASS(Material, Resource);
RES_BASE_EXTENSION("material")
OBJ_SAVE_TYPE(Material);
RID material;
Ref<Material> next_pass;
int render_priority;
protected:
_FORCE_INLINE_ RID _get_material() const { return material; }
static void _bind_methods();
virtual bool _can_do_next_pass() const { return false; }
void _validate_property(PropertyInfo &property) const;
public:
enum {
RENDER_PRIORITY_MAX = RS::MATERIAL_RENDER_PRIORITY_MAX,
RENDER_PRIORITY_MIN = RS::MATERIAL_RENDER_PRIORITY_MIN,
};
void set_next_pass(const Ref<Material> &p_pass);
Ref<Material> get_next_pass() const;
void set_render_priority(int p_priority);
int get_render_priority() const;
virtual RID get_rid() const;
virtual Shader::Mode get_shader_mode() const = 0;
Material();
virtual ~Material();
};
class ShaderMaterial : public Material {
GDCLASS(ShaderMaterial, Material);
Ref<Shader> shader;
protected:
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
bool property_can_revert(const String &p_name);
Variant property_get_revert(const String &p_name);
static void _bind_methods();
void get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const;
virtual bool _can_do_next_pass() const;
void _shader_changed();
public:
void set_shader(const Ref<Shader> &p_shader);
Ref<Shader> get_shader() const;
void set_shader_param(const StringName &p_param, const Variant &p_value);
Variant get_shader_param(const StringName &p_param) const;
virtual Shader::Mode get_shader_mode() const;
ShaderMaterial();
~ShaderMaterial();
};
class StandardMaterial3D;
class BaseMaterial3D : public Material {
GDCLASS(BaseMaterial3D, Material);
public:
enum TextureParam {
TEXTURE_ALBEDO,
TEXTURE_METALLIC,
TEXTURE_ROUGHNESS,
TEXTURE_EMISSION,
TEXTURE_NORMAL,
TEXTURE_RIM,
TEXTURE_CLEARCOAT,
TEXTURE_FLOWMAP,
TEXTURE_AMBIENT_OCCLUSION,
TEXTURE_HEIGHTMAP,
TEXTURE_SUBSURFACE_SCATTERING,
TEXTURE_SUBSURFACE_TRANSMITTANCE,
TEXTURE_BACKLIGHT,
TEXTURE_REFRACTION,
TEXTURE_DETAIL_MASK,
TEXTURE_DETAIL_ALBEDO,
TEXTURE_DETAIL_NORMAL,
TEXTURE_ORM,
TEXTURE_MAX
};
enum TextureFilter {
TEXTURE_FILTER_NEAREST,
TEXTURE_FILTER_LINEAR,
TEXTURE_FILTER_NEAREST_WITH_MIPMAPS,
TEXTURE_FILTER_LINEAR_WITH_MIPMAPS,
TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC,
TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC,
TEXTURE_FILTER_MAX
};
enum DetailUV {
DETAIL_UV_1,
DETAIL_UV_2
};
enum Transparency {
TRANSPARENCY_DISABLED,
TRANSPARENCY_ALPHA,
TRANSPARENCY_ALPHA_SCISSOR,
TRANSPARENCY_ALPHA_DEPTH_PRE_PASS,
TRANSPARENCY_MAX,
};
enum ShadingMode {
SHADING_MODE_UNSHADED,
SHADING_MODE_PER_PIXEL,
SHADING_MODE_PER_VERTEX,
SHADING_MODE_MAX
};
enum Feature {
FEATURE_EMISSION,
FEATURE_NORMAL_MAPPING,
FEATURE_RIM,
FEATURE_CLEARCOAT,
FEATURE_ANISOTROPY,
FEATURE_AMBIENT_OCCLUSION,
FEATURE_HEIGHT_MAPPING,
FEATURE_SUBSURFACE_SCATTERING,
FEATURE_SUBSURFACE_TRANSMITTANCE,
FEATURE_BACKLIGHT,
FEATURE_REFRACTION,
FEATURE_DETAIL,
FEATURE_MAX
};
enum BlendMode {
BLEND_MODE_MIX,
BLEND_MODE_ADD,
BLEND_MODE_SUB,
BLEND_MODE_MUL,
};
enum DepthDrawMode {
DEPTH_DRAW_OPAQUE_ONLY,
DEPTH_DRAW_ALWAYS,
DEPTH_DRAW_DISABLED,
};
enum CullMode {
CULL_BACK,
CULL_FRONT,
CULL_DISABLED
};
enum Flags {
FLAG_DISABLE_DEPTH_TEST,
FLAG_ALBEDO_FROM_VERTEX_COLOR,
FLAG_SRGB_VERTEX_COLOR,
FLAG_USE_POINT_SIZE,
FLAG_FIXED_SIZE,
FLAG_BILLBOARD_KEEP_SCALE,
FLAG_UV1_USE_TRIPLANAR,
FLAG_UV2_USE_TRIPLANAR,
FLAG_UV1_USE_WORLD_TRIPLANAR,
FLAG_UV2_USE_WORLD_TRIPLANAR,
FLAG_AO_ON_UV2,
FLAG_EMISSION_ON_UV2,
FLAG_ALBEDO_TEXTURE_FORCE_SRGB,
FLAG_DONT_RECEIVE_SHADOWS,
FLAG_DISABLE_AMBIENT_LIGHT,
FLAG_USE_SHADOW_TO_OPACITY,
FLAG_USE_TEXTURE_REPEAT,
FLAG_INVERT_HEIGHTMAP,
FLAG_SUBSURFACE_MODE_SKIN,
FLAG_MAX
};
enum DiffuseMode {
DIFFUSE_BURLEY,
DIFFUSE_LAMBERT,
DIFFUSE_LAMBERT_WRAP,
DIFFUSE_OREN_NAYAR,
DIFFUSE_TOON,
};
enum SpecularMode {
SPECULAR_SCHLICK_GGX,
SPECULAR_BLINN,
SPECULAR_PHONG,
SPECULAR_TOON,
SPECULAR_DISABLED,
};
enum BillboardMode {
BILLBOARD_DISABLED,
BILLBOARD_ENABLED,
BILLBOARD_FIXED_Y,
BILLBOARD_PARTICLES,
};
enum TextureChannel {
TEXTURE_CHANNEL_RED,
TEXTURE_CHANNEL_GREEN,
TEXTURE_CHANNEL_BLUE,
TEXTURE_CHANNEL_ALPHA,
TEXTURE_CHANNEL_GRAYSCALE
};
enum EmissionOperator {
EMISSION_OP_ADD,
EMISSION_OP_MULTIPLY
};
enum DistanceFadeMode {
DISTANCE_FADE_DISABLED,
DISTANCE_FADE_PIXEL_ALPHA,
DISTANCE_FADE_PIXEL_DITHER,
DISTANCE_FADE_OBJECT_DITHER,
};
private:
union MaterialKey {
struct {
uint64_t feature_mask : FEATURE_MAX;
uint64_t detail_uv : 1;
uint64_t blend_mode : 2;
uint64_t depth_draw_mode : 2;
uint64_t cull_mode : 2;
uint64_t flags : FLAG_MAX;
uint64_t detail_blend_mode : 2;
uint64_t diffuse_mode : 3;
uint64_t specular_mode : 3;
uint64_t invalid_key : 1;
uint64_t deep_parallax : 1;
uint64_t billboard_mode : 2;
uint64_t grow : 1;
uint64_t proximity_fade : 1;
uint64_t distance_fade : 2;
uint64_t emission_op : 1;
uint64_t texture_filter : 3;
uint64_t transparency : 2;
uint64_t shading_mode : 2;
uint64_t roughness_channel : 3;
};
struct {
uint64_t key0;
uint64_t key1;
};
bool operator==(const MaterialKey &p_key) const {
return (key0 == p_key.key0) && (key1 == p_key.key1);
}
bool operator<(const MaterialKey &p_key) const {
return (key0 == p_key.key0) ? (key1 < p_key.key1) : (key0 < p_key.key0);
}
};
struct ShaderData {
RID shader;
int users;
};
static Map<MaterialKey, ShaderData> shader_map;
MaterialKey current_key;
_FORCE_INLINE_ MaterialKey _compute_key() const {
MaterialKey mk;
mk.key0 = 0;
mk.key1 = 0;
for (int i = 0; i < FEATURE_MAX; i++) {
if (features[i]) {
mk.feature_mask |= ((uint64_t)1 << i);
}
}
mk.detail_uv = detail_uv;
mk.blend_mode = blend_mode;
mk.depth_draw_mode = depth_draw_mode;
mk.cull_mode = cull_mode;
mk.texture_filter = texture_filter;
mk.transparency = transparency;
mk.shading_mode = shading_mode;
mk.roughness_channel = roughness_texture_channel;
for (int i = 0; i < FLAG_MAX; i++) {
if (flags[i]) {
mk.flags |= ((uint64_t)1 << i);
}
}
mk.detail_blend_mode = detail_blend_mode;
mk.diffuse_mode = diffuse_mode;
mk.specular_mode = specular_mode;
mk.billboard_mode = billboard_mode;
mk.deep_parallax = deep_parallax ? 1 : 0;
mk.grow = grow_enabled;
mk.proximity_fade = proximity_fade_enabled;
mk.distance_fade = distance_fade;
mk.emission_op = emission_op;
return mk;
}
struct ShaderNames {
StringName albedo;
StringName specular;
StringName metallic;
StringName roughness;
StringName emission;
StringName emission_energy;
StringName normal_scale;
StringName rim;
StringName rim_tint;
StringName clearcoat;
StringName clearcoat_gloss;
StringName anisotropy;
StringName heightmap_scale;
StringName subsurface_scattering_strength;
StringName transmittance_color;
StringName transmittance_curve;
StringName transmittance_depth;
StringName transmittance_boost;
StringName backlight;
StringName refraction;
StringName point_size;
StringName uv1_scale;
StringName uv1_offset;
StringName uv2_scale;
StringName uv2_offset;
StringName particles_anim_h_frames;
StringName particles_anim_v_frames;
StringName particles_anim_loop;
StringName heightmap_min_layers;
StringName heightmap_max_layers;
StringName heightmap_flip;
StringName uv1_blend_sharpness;
StringName uv2_blend_sharpness;
StringName grow;
StringName proximity_fade_distance;
StringName distance_fade_min;
StringName distance_fade_max;
StringName ao_light_affect;
StringName metallic_texture_channel;
StringName ao_texture_channel;
StringName clearcoat_texture_channel;
StringName rim_texture_channel;
StringName heightmap_texture_channel;
StringName refraction_texture_channel;
StringName alpha_scissor_threshold;
StringName texture_names[TEXTURE_MAX];
};
static Mutex material_mutex;
static SelfList<BaseMaterial3D>::List *dirty_materials;
static ShaderNames *shader_names;
SelfList<BaseMaterial3D> element;
void _update_shader();
_FORCE_INLINE_ void _queue_shader_change();
_FORCE_INLINE_ bool _is_shader_dirty() const;
bool orm;
Color albedo;
float specular;
float metallic;
float roughness;
Color emission;
float emission_energy;
float normal_scale;
float rim;
float rim_tint;
float clearcoat;
float clearcoat_gloss;
float anisotropy;
float heightmap_scale;
float subsurface_scattering_strength;
float transmittance_amount;
Color transmittance_color;
float transmittance_depth;
float transmittance_curve;
float transmittance_boost;
Color backlight;
float refraction;
float point_size;
float alpha_scissor_threshold;
bool grow_enabled;
float ao_light_affect;
float grow;
int particles_anim_h_frames;
int particles_anim_v_frames;
bool particles_anim_loop;
Transparency transparency;
ShadingMode shading_mode;
TextureFilter texture_filter;
Vector3 uv1_scale;
Vector3 uv1_offset;
float uv1_triplanar_sharpness;
Vector3 uv2_scale;
Vector3 uv2_offset;
float uv2_triplanar_sharpness;
DetailUV detail_uv;
bool deep_parallax;
int deep_parallax_min_layers;
int deep_parallax_max_layers;
bool heightmap_parallax_flip_tangent;
bool heightmap_parallax_flip_binormal;
bool proximity_fade_enabled;
float proximity_fade_distance;
DistanceFadeMode distance_fade;
float distance_fade_max_distance;
float distance_fade_min_distance;
BlendMode blend_mode;
BlendMode detail_blend_mode;
DepthDrawMode depth_draw_mode;
CullMode cull_mode;
bool flags[FLAG_MAX];
SpecularMode specular_mode;
DiffuseMode diffuse_mode;
BillboardMode billboard_mode;
EmissionOperator emission_op;
TextureChannel metallic_texture_channel;
TextureChannel roughness_texture_channel;
TextureChannel ao_texture_channel;
TextureChannel refraction_texture_channel;
bool features[FEATURE_MAX];
Ref<Texture2D> textures[TEXTURE_MAX];
_FORCE_INLINE_ void _validate_feature(const String &text, Feature feature, PropertyInfo &property) const;
static const int MAX_MATERIALS_FOR_2D = 128;
static Ref<StandardMaterial3D> materials_for_2d[MAX_MATERIALS_FOR_2D]; //used by Sprite3D and other stuff
void _validate_high_end(const String &text, PropertyInfo &property) const;
protected:
static void _bind_methods();
void _validate_property(PropertyInfo &property) const;
virtual bool _can_do_next_pass() const { return true; }
public:
void set_albedo(const Color &p_albedo);
Color get_albedo() const;
void set_specular(float p_specular);
float get_specular() const;
void set_metallic(float p_metallic);
float get_metallic() const;
void set_roughness(float p_roughness);
float get_roughness() const;
void set_emission(const Color &p_emission);
Color get_emission() const;
void set_emission_energy(float p_emission_energy);
float get_emission_energy() const;
void set_normal_scale(float p_normal_scale);
float get_normal_scale() const;
void set_rim(float p_rim);
float get_rim() const;
void set_rim_tint(float p_rim_tint);
float get_rim_tint() const;
void set_ao_light_affect(float p_ao_light_affect);
float get_ao_light_affect() const;
void set_clearcoat(float p_clearcoat);
float get_clearcoat() const;
void set_clearcoat_gloss(float p_clearcoat_gloss);
float get_clearcoat_gloss() const;
void set_anisotropy(float p_anisotropy);
float get_anisotropy() const;
void set_heightmap_scale(float p_heightmap_scale);
float get_heightmap_scale() const;
void set_heightmap_deep_parallax(bool p_enable);
bool is_heightmap_deep_parallax_enabled() const;
void set_heightmap_deep_parallax_min_layers(int p_layer);
int get_heightmap_deep_parallax_min_layers() const;
void set_heightmap_deep_parallax_max_layers(int p_layer);
int get_heightmap_deep_parallax_max_layers() const;
void set_heightmap_deep_parallax_flip_tangent(bool p_flip);
bool get_heightmap_deep_parallax_flip_tangent() const;
void set_heightmap_deep_parallax_flip_binormal(bool p_flip);
bool get_heightmap_deep_parallax_flip_binormal() const;
void set_subsurface_scattering_strength(float p_subsurface_scattering_strength);
float get_subsurface_scattering_strength() const;
void set_transmittance_color(const Color &p_color);
Color get_transmittance_color() const;
void set_transmittance_depth(float p_depth);
float get_transmittance_depth() const;
void set_transmittance_curve(float p_curve);
float get_transmittance_curve() const;
void set_transmittance_boost(float p_boost);
float get_transmittance_boost() const;
void set_backlight(const Color &p_backlight);
Color get_backlight() const;
void set_refraction(float p_refraction);
float get_refraction() const;
void set_point_size(float p_point_size);
float get_point_size() const;
void set_transparency(Transparency p_transparency);
Transparency get_transparency() const;
void set_shading_mode(ShadingMode p_shading_mode);
ShadingMode get_shading_mode() const;
void set_detail_uv(DetailUV p_detail_uv);
DetailUV get_detail_uv() const;
void set_blend_mode(BlendMode p_mode);
BlendMode get_blend_mode() const;
void set_detail_blend_mode(BlendMode p_mode);
BlendMode get_detail_blend_mode() const;
void set_depth_draw_mode(DepthDrawMode p_mode);
DepthDrawMode get_depth_draw_mode() const;
void set_cull_mode(CullMode p_mode);
CullMode get_cull_mode() const;
void set_diffuse_mode(DiffuseMode p_mode);
DiffuseMode get_diffuse_mode() const;
void set_specular_mode(SpecularMode p_mode);
SpecularMode get_specular_mode() const;
void set_flag(Flags p_flag, bool p_enabled);
bool get_flag(Flags p_flag) const;
void set_texture(TextureParam p_param, const Ref<Texture2D> &p_texture);
Ref<Texture2D> get_texture(TextureParam p_param) const;
// Used only for shader material conversion
Ref<Texture2D> get_texture_by_name(StringName p_name) const;
void set_texture_filter(TextureFilter p_filter);
TextureFilter get_texture_filter() const;
void set_feature(Feature p_feature, bool p_enabled);
bool get_feature(Feature p_feature) const;
void set_uv1_scale(const Vector3 &p_scale);
Vector3 get_uv1_scale() const;
void set_uv1_offset(const Vector3 &p_offset);
Vector3 get_uv1_offset() const;
void set_uv1_triplanar_blend_sharpness(float p_sharpness);
float get_uv1_triplanar_blend_sharpness() const;
void set_uv2_scale(const Vector3 &p_scale);
Vector3 get_uv2_scale() const;
void set_uv2_offset(const Vector3 &p_offset);
Vector3 get_uv2_offset() const;
void set_uv2_triplanar_blend_sharpness(float p_sharpness);
float get_uv2_triplanar_blend_sharpness() const;
void set_billboard_mode(BillboardMode p_mode);
BillboardMode get_billboard_mode() const;
void set_particles_anim_h_frames(int p_frames);
int get_particles_anim_h_frames() const;
void set_particles_anim_v_frames(int p_frames);
int get_particles_anim_v_frames() const;
void set_particles_anim_loop(bool p_loop);
bool get_particles_anim_loop() const;
void set_grow_enabled(bool p_enable);
bool is_grow_enabled() const;
void set_grow(float p_grow);
float get_grow() const;
void set_alpha_scissor_threshold(float p_threshold);
float get_alpha_scissor_threshold() const;
void set_on_top_of_alpha();
void set_proximity_fade(bool p_enable);
bool is_proximity_fade_enabled() const;
void set_proximity_fade_distance(float p_distance);
float get_proximity_fade_distance() const;
void set_distance_fade(DistanceFadeMode p_mode);
DistanceFadeMode get_distance_fade() const;
void set_distance_fade_max_distance(float p_distance);
float get_distance_fade_max_distance() const;
void set_distance_fade_min_distance(float p_distance);
float get_distance_fade_min_distance() const;
void set_emission_operator(EmissionOperator p_op);
EmissionOperator get_emission_operator() const;
void set_metallic_texture_channel(TextureChannel p_channel);
TextureChannel get_metallic_texture_channel() const;
void set_roughness_texture_channel(TextureChannel p_channel);
TextureChannel get_roughness_texture_channel() const;
void set_ao_texture_channel(TextureChannel p_channel);
TextureChannel get_ao_texture_channel() const;
void set_refraction_texture_channel(TextureChannel p_channel);
TextureChannel get_refraction_texture_channel() const;
static void init_shaders();
static void finish_shaders();
static void flush_changes();
static RID get_material_rid_for_2d(bool p_shaded, bool p_transparent, bool p_double_sided, bool p_cut_alpha, bool p_opaque_prepass, bool p_billboard = false, bool p_billboard_y = false);
RID get_shader_rid() const;
virtual Shader::Mode get_shader_mode() const;
BaseMaterial3D(bool p_orm);
virtual ~BaseMaterial3D();
};
VARIANT_ENUM_CAST(BaseMaterial3D::TextureParam)
VARIANT_ENUM_CAST(BaseMaterial3D::TextureFilter)
VARIANT_ENUM_CAST(BaseMaterial3D::ShadingMode)
VARIANT_ENUM_CAST(BaseMaterial3D::Transparency)
VARIANT_ENUM_CAST(BaseMaterial3D::DetailUV)
VARIANT_ENUM_CAST(BaseMaterial3D::Feature)
VARIANT_ENUM_CAST(BaseMaterial3D::BlendMode)
VARIANT_ENUM_CAST(BaseMaterial3D::DepthDrawMode)
VARIANT_ENUM_CAST(BaseMaterial3D::CullMode)
VARIANT_ENUM_CAST(BaseMaterial3D::Flags)
VARIANT_ENUM_CAST(BaseMaterial3D::DiffuseMode)
VARIANT_ENUM_CAST(BaseMaterial3D::SpecularMode)
VARIANT_ENUM_CAST(BaseMaterial3D::BillboardMode)
VARIANT_ENUM_CAST(BaseMaterial3D::TextureChannel)
VARIANT_ENUM_CAST(BaseMaterial3D::EmissionOperator)
VARIANT_ENUM_CAST(BaseMaterial3D::DistanceFadeMode)
class StandardMaterial3D : public BaseMaterial3D {
GDCLASS(StandardMaterial3D, BaseMaterial3D)
protected:
#ifndef DISABLE_DEPRECATED
// Kept for compatibility from 3.x to 4.0.
bool _set(const StringName &p_name, const Variant &p_value);
#endif
public:
StandardMaterial3D() :
BaseMaterial3D(false) {}
};
class ORMMaterial3D : public BaseMaterial3D {
GDCLASS(ORMMaterial3D, BaseMaterial3D)
public:
ORMMaterial3D() :
BaseMaterial3D(true) {}
};
//////////////////////
#endif
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