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Add a metallic mode

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This commit is contained in:
Juan Linietsky 2017-01-02 00:01:55 -03:00
parent c2a217c350
commit 741e038671
2 changed files with 82 additions and 5 deletions
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68
scene/resources/material.cpp
View file

@ -63,6 +63,7 @@ void FixedSpatialMaterial::init_shaders() {
shader_names->albedo="albedo";
shader_names->specular="specular";
shader_names->roughness="roughness";
shader_names->metalness="metalness";
shader_names->emission="emission";
shader_names->emission_energy="emission_energy";
shader_names->normal_scale="normal_scale";
@ -173,7 +174,12 @@ void FixedSpatialMaterial::_update_shader() {
code+="uniform vec4 albedo : hint_color;\n";
code+="uniform sampler2D texture_albedo : hint_albedo;\n";
code+="uniform vec4 specular : hint_color;\n";
if (specular_mode==SPECULAR_MODE_SPECULAR) {
code+="uniform vec4 specular : hint_color;\n";
} else {
code+="uniform float metalness;\n";
}
code+="uniform float roughness : hint_range(0,1);\n";
code+="uniform float point_size : hint_range(0,128);\n";
code+="uniform sampler2D texture_specular : hint_white;\n";
@ -326,9 +332,17 @@ void FixedSpatialMaterial::_update_shader() {
code+="\tALBEDO.rgb = mix(ALBEDO.rgb,detail,detail_mask_tex.r);\n";
}
code+="\tvec4 specular_tex = texture(texture_specular,UV);\n";
code+="\tSPECULAR = specular.rgb * specular_tex.rgb;\n";
code+="\tROUGHNESS = specular.a * roughness;\n";
if (specular_mode==SPECULAR_MODE_SPECULAR) {
code+="\tvec4 specular_tex = texture(texture_specular,UV);\n";
code+="\tSPECULAR = specular.rgb * specular_tex.rgb;\n";
code+="\tROUGHNESS = specular_tex.a * roughness;\n";
} else {
code+="\tvec4 specular_tex = texture(texture_specular,UV);\n";
code+="\tSPECULAR = vec3(metalness * specular_tex.r);\n";
code+="\tROUGHNESS = specular_tex.a * roughness;\n";
}
code+="}\n";
ShaderData shader_data;
@ -398,6 +412,17 @@ Color FixedSpatialMaterial::get_albedo() const{
return albedo;
}
void FixedSpatialMaterial::set_specular_mode(SpecularMode p_mode) {
specular_mode=p_mode;
_change_notify();
_queue_shader_change();
}
FixedSpatialMaterial::SpecularMode FixedSpatialMaterial::get_specular_mode() const {
return specular_mode;
}
void FixedSpatialMaterial::set_specular(const Color& p_specular){
specular=p_specular;
@ -415,11 +440,25 @@ void FixedSpatialMaterial::set_roughness(float p_roughness){
VS::get_singleton()->material_set_param(_get_material(),shader_names->roughness,p_roughness);
}
float FixedSpatialMaterial::get_roughness() const{
return roughness;
}
void FixedSpatialMaterial::set_metalness(float p_metalness){
metalness=p_metalness;
VS::get_singleton()->material_set_param(_get_material(),shader_names->metalness,p_metalness);
}
float FixedSpatialMaterial::get_metalness() const{
return metalness;
}
void FixedSpatialMaterial::set_emission(const Color& p_emission){
emission=p_emission;
@ -711,6 +750,13 @@ void FixedSpatialMaterial::_validate_property(PropertyInfo& property) const {
_validate_feature("refraction",FEATURE_REFRACTION,property);
_validate_feature("detail",FEATURE_DETAIL,property);
if (property.name=="specular/color" && specular_mode==SPECULAR_MODE_METALLIC) {
property.usage=0;
}
if (property.name=="specular/metalness" && specular_mode==SPECULAR_MODE_SPECULAR) {
property.usage=0;
}
}
void FixedSpatialMaterial::set_line_width(float p_line_width) {
@ -788,9 +834,15 @@ void FixedSpatialMaterial::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_albedo","albedo"),&FixedSpatialMaterial::set_albedo);
ObjectTypeDB::bind_method(_MD("get_albedo"),&FixedSpatialMaterial::get_albedo);
ObjectTypeDB::bind_method(_MD("set_specular_mode","specular_mode"),&FixedSpatialMaterial::set_specular_mode);
ObjectTypeDB::bind_method(_MD("get_specular_mode"),&FixedSpatialMaterial::get_specular_mode);
ObjectTypeDB::bind_method(_MD("set_specular","specular"),&FixedSpatialMaterial::set_specular);
ObjectTypeDB::bind_method(_MD("get_specular"),&FixedSpatialMaterial::get_specular);
ObjectTypeDB::bind_method(_MD("set_metalness","metalness"),&FixedSpatialMaterial::set_metalness);
ObjectTypeDB::bind_method(_MD("get_metalness"),&FixedSpatialMaterial::get_metalness);
ObjectTypeDB::bind_method(_MD("set_roughness","roughness"),&FixedSpatialMaterial::set_roughness);
ObjectTypeDB::bind_method(_MD("get_roughness"),&FixedSpatialMaterial::get_roughness);
@ -892,7 +944,9 @@ void FixedSpatialMaterial::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::COLOR,"albedo/color"),_SCS("set_albedo"),_SCS("get_albedo"));
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT,"albedo/texture",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),_SCS("set_texture"),_SCS("get_texture"),TEXTURE_ALBEDO);
ADD_PROPERTY(PropertyInfo(Variant::INT,"specular/mode",PROPERTY_HINT_ENUM,"Metallic,Specular"),_SCS("set_specular_mode"),_SCS("get_specular_mode"));
ADD_PROPERTY(PropertyInfo(Variant::COLOR,"specular/color",PROPERTY_HINT_COLOR_NO_ALPHA),_SCS("set_specular"),_SCS("get_specular"));
ADD_PROPERTY(PropertyInfo(Variant::REAL,"specular/metalness",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_metalness"),_SCS("get_metalness"));
ADD_PROPERTY(PropertyInfo(Variant::REAL,"specular/roughness",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_roughness"),_SCS("get_roughness"));
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT,"specular/texture",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),_SCS("set_texture"),_SCS("get_texture"),TEXTURE_SPECULAR);
@ -1008,15 +1062,21 @@ void FixedSpatialMaterial::_bind_methods() {
BIND_CONSTANT( DIFFUSE_LAMBERT_WRAP );
BIND_CONSTANT( DIFFUSE_OREN_NAYAR );
BIND_CONSTANT( DIFFUSE_BURLEY );
BIND_CONSTANT( SPECULAR_MODE_METALLIC );
BIND_CONSTANT( SPECULAR_MODE_SPECULAR );
}
FixedSpatialMaterial::FixedSpatialMaterial() : element(this) {
//initialize to right values
specular_mode=SPECULAR_MODE_METALLIC;
set_albedo(Color(0.7,0.7,0.7,1.0));
set_specular(Color(0.1,0.1,0.1));
set_roughness(0.0);
set_metalness(0.1);
set_emission(Color(0,0,0));
set_emission_energy(1.0);
set_normal_scale(1);

19
scene/resources/material.h
View file

@ -144,11 +144,16 @@ public:
DIFFUSE_BURLEY,
};
enum SpecularMode {
SPECULAR_MODE_METALLIC,
SPECULAR_MODE_SPECULAR,
};
private:
union MaterialKey {
struct {
uint32_t feature_mask : 15;
uint32_t feature_mask : 14;
uint32_t detail_uv : 1;
uint32_t blend_mode : 2;
uint32_t depth_draw_mode : 2;
@ -157,6 +162,7 @@ private:
uint32_t detail_blend_mode : 2;
uint32_t diffuse_mode : 2;
uint32_t invalid_key : 1;
uint32_t specular_mode : 1;
};
uint32_t key;
@ -196,6 +202,7 @@ private:
}
mk.detail_blend_mode=detail_blend_mode;
mk.diffuse_mode=diffuse_mode;
mk.specular_mode=specular_mode;
return mk;
}
@ -203,6 +210,7 @@ private:
struct ShaderNames {
StringName albedo;
StringName specular;
StringName metalness;
StringName roughness;
StringName emission;
StringName emission_energy;
@ -237,6 +245,7 @@ private:
Color albedo;
Color specular;
float metalness;
float roughness;
Color emission;
float emission_energy;
@ -267,6 +276,7 @@ private:
CullMode cull_mode;
bool flags[FLAG_MAX];
DiffuseMode diffuse_mode;
SpecularMode specular_mode;
bool features[FEATURE_MAX];
@ -285,9 +295,15 @@ public:
void set_albedo(const Color& p_albedo);
Color get_albedo() const;
void set_specular_mode(SpecularMode p_mode);
SpecularMode get_specular_mode() const;
void set_specular(const Color& p_specular);
Color get_specular() const;
void set_metalness(float p_metalness);
float get_metalness() const;
void set_roughness(float p_roughness);
float get_roughness() const;
@ -388,6 +404,7 @@ VARIANT_ENUM_CAST( FixedSpatialMaterial::DepthDrawMode )
VARIANT_ENUM_CAST( FixedSpatialMaterial::CullMode )
VARIANT_ENUM_CAST( FixedSpatialMaterial::Flags )
VARIANT_ENUM_CAST( FixedSpatialMaterial::DiffuseMode )
VARIANT_ENUM_CAST( FixedSpatialMaterial::SpecularMode )
//////////////////////