From bf371dcb3294027c209cc40a42fdbf438d4261af Mon Sep 17 00:00:00 2001 From: Juan Linietsky Date: Thu, 21 Sep 2017 15:20:00 -0300 Subject: [PATCH] Added proximity and distance fade to SpatialMaterial --- drivers/gles3/rasterizer_scene_gles3.cpp | 1 + drivers/gles3/rasterizer_scene_gles3.h | 1 + drivers/gles3/shader_compiler_gles3.cpp | 1 + drivers/gles3/shaders/scene.glsl | 2 + scene/resources/material.cpp | 116 ++++++++++++++++++++++- scene/resources/material.h | 29 ++++++ servers/visual/shader_types.cpp | 2 + 7 files changed, 151 insertions(+), 1 deletion(-) diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp index 146a2359b68..98a9211d0cb 100644 --- a/drivers/gles3/rasterizer_scene_gles3.cpp +++ b/drivers/gles3/rasterizer_scene_gles3.cpp @@ -2404,6 +2404,7 @@ void RasterizerSceneGLES3::_setup_environment(Environment *env, const CameraMatr //store camera into ubo store_camera(p_cam_projection, state.ubo_data.projection_matrix); + store_camera(p_cam_projection.inverse(), state.ubo_data.inv_projection_matrix); store_transform(p_cam_transform, state.ubo_data.camera_matrix); store_transform(p_cam_transform.affine_inverse(), state.ubo_data.camera_inverse_matrix); diff --git a/drivers/gles3/rasterizer_scene_gles3.h b/drivers/gles3/rasterizer_scene_gles3.h index 8669c42a7ad..04cb3597da4 100644 --- a/drivers/gles3/rasterizer_scene_gles3.h +++ b/drivers/gles3/rasterizer_scene_gles3.h @@ -110,6 +110,7 @@ public: struct SceneDataUBO { //this is a std140 compatible struct. Please read the OpenGL 3.3 Specificaiton spec before doing any changes float projection_matrix[16]; + float inv_projection_matrix[16]; float camera_inverse_matrix[16]; float camera_matrix[16]; float ambient_light_color[4]; diff --git a/drivers/gles3/shader_compiler_gles3.cpp b/drivers/gles3/shader_compiler_gles3.cpp index 5401c8266a8..b3b2517ad65 100644 --- a/drivers/gles3/shader_compiler_gles3.cpp +++ b/drivers/gles3/shader_compiler_gles3.cpp @@ -750,6 +750,7 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() { actions[VS::SHADER_SPATIAL].renames["INV_CAMERA_MATRIX"] = "camera_inverse_matrix"; actions[VS::SHADER_SPATIAL].renames["CAMERA_MATRIX"] = "camera_matrix"; actions[VS::SHADER_SPATIAL].renames["PROJECTION_MATRIX"] = "projection_matrix"; + actions[VS::SHADER_SPATIAL].renames["INV_PROJECTION_MATRIX"] = "inv_projection_matrix"; actions[VS::SHADER_SPATIAL].renames["MODELVIEW_MATRIX"] = "modelview"; actions[VS::SHADER_SPATIAL].renames["VERTEX"] = "vertex.xyz"; diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index 5f83033293e..af4044224c7 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -61,6 +61,7 @@ layout(location=12) in highp vec4 instance_custom_data; layout(std140) uniform SceneData { //ubo:0 highp mat4 projection_matrix; + highp mat4 inv_projection_matrix; highp mat4 camera_inverse_matrix; highp mat4 camera_matrix; @@ -643,6 +644,7 @@ FRAGMENT_SHADER_GLOBALS layout(std140) uniform SceneData { highp mat4 projection_matrix; + highp mat4 inv_projection_matrix; highp mat4 camera_inverse_matrix; highp mat4 camera_matrix; diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp index abe9a00c3fb..553e9b99058 100644 --- a/scene/resources/material.cpp +++ b/scene/resources/material.cpp @@ -268,6 +268,10 @@ void SpatialMaterial::init_shaders() { shader_names->grow = "grow"; + shader_names->proximity_fade_distance = "proximity_fade_distance"; + shader_names->distance_fade_min = "distance_fade_min"; + shader_names->distance_fade_max = "distance_fade_max"; + shader_names->metallic_texture_channel = "metallic_texture_channel"; shader_names->roughness_texture_channel = "roughness_texture_channel"; shader_names->ao_texture_channel = "ao_texture_channel"; @@ -401,6 +405,14 @@ void SpatialMaterial::_update_shader() { code += "uniform float grow;\n"; } + if (proximity_fade_enabled) { + code += "uniform float proximity_fade_distance;\n"; + } + if (distance_fade_enabled) { + code += "uniform float distance_fade_min;\n"; + code += "uniform float distance_fade_max;\n"; + } + if (flags[FLAG_USE_ALPHA_SCISSOR]) { code += "uniform float alpha_scissor_threshold;\n"; } @@ -725,10 +737,21 @@ void SpatialMaterial::_update_shader() { code += "\tALBEDO *= 1.0 - ref_amount;\n"; code += "\tALPHA = 1.0;\n"; - } else if (features[FEATURE_TRANSPARENT] || features[FLAG_USE_ALPHA_SCISSOR]) { + } else if (features[FEATURE_TRANSPARENT] || features[FLAG_USE_ALPHA_SCISSOR] || distance_fade_enabled || proximity_fade_enabled) { code += "\tALPHA = albedo.a * albedo_tex.a;\n"; } + if (proximity_fade_enabled) { + code += "\tfloat depth_tex = textureLod(DEPTH_TEXTURE,SCREEN_UV,0.0).r;\n"; + code += "\tvec4 world_pos = INV_PROJECTION_MATRIX * vec4(SCREEN_UV*2.0-1.0,depth_tex*2.0-1.0,1.0);\n"; + code += "\tworld_pos.xyz/=world_pos.w;\n"; + code += "\tALPHA*=clamp(1.0-smoothstep(world_pos.z+proximity_fade_distance,world_pos.z,VERTEX.z),0.0,1.0);\n"; + } + + if (distance_fade_enabled) { + code += "\tALPHA*=clamp(smoothstep(distance_fade_min,distance_fade_max,-VERTEX.z),0.0,1.0);\n"; + } + if (features[FEATURE_RIM]) { if (flags[FLAG_UV1_USE_TRIPLANAR]) { code += "\tvec2 rim_tex = triplanar_texture(texture_rim,uv1_power_normal,uv1_triplanar_pos).xy;\n"; @@ -1231,6 +1254,14 @@ void SpatialMaterial::_validate_property(PropertyInfo &property) const { property.usage = 0; } + if (property.name == "proximity_fade_distacne" && !proximity_fade_enabled) { + property.usage = 0; + } + + if ((property.name == "distance_fade_max_distance" || property.name == "distance_fade_min_distance") && !distance_fade_enabled) { + property.usage = 0; + } + if (property.name == "params_alpha_scissor_threshold" && !flags[FLAG_USE_ALPHA_SCISSOR]) { property.usage = 0; } @@ -1526,6 +1557,60 @@ void SpatialMaterial::set_on_top_of_alpha() { set_flag(FLAG_DISABLE_DEPTH_TEST, true); } +void SpatialMaterial::set_proximity_fade(bool p_enable) { + + proximity_fade_enabled = p_enable; + _queue_shader_change(); + _change_notify(); +} + +bool SpatialMaterial::is_proximity_fade_enabled() const { + + return proximity_fade_enabled; +} + +void SpatialMaterial::set_proximity_fade_distance(float p_distance) { + + proximity_fade_distance = p_distance; + VS::get_singleton()->material_set_param(_get_material(), shader_names->proximity_fade_distance, p_distance); +} +float SpatialMaterial::get_proximity_fade_distance() const { + + return proximity_fade_distance; +} + +void SpatialMaterial::set_distance_fade(bool p_enable) { + + distance_fade_enabled = p_enable; + _queue_shader_change(); + _change_notify(); +} +bool SpatialMaterial::is_distance_fade_enabled() const { + + return distance_fade_enabled; +} + +void SpatialMaterial::set_distance_fade_max_distance(float p_distance) { + + distance_fade_max_distance = p_distance; + VS::get_singleton()->material_set_param(_get_material(), shader_names->distance_fade_max, distance_fade_max_distance); +} +float SpatialMaterial::get_distance_fade_max_distance() const { + + return distance_fade_max_distance; +} + +void SpatialMaterial::set_distance_fade_min_distance(float p_distance) { + + distance_fade_min_distance = p_distance; + VS::get_singleton()->material_set_param(_get_material(), shader_names->distance_fade_min, distance_fade_min_distance); +} + +float SpatialMaterial::get_distance_fade_min_distance() const { + + return distance_fade_min_distance; +} + void SpatialMaterial::_bind_methods() { ClassDB::bind_method(D_METHOD("set_albedo", "albedo"), &SpatialMaterial::set_albedo); @@ -1672,6 +1757,21 @@ void SpatialMaterial::_bind_methods() { ClassDB::bind_method(D_METHOD("set_refraction_texture_channel", "channel"), &SpatialMaterial::set_refraction_texture_channel); ClassDB::bind_method(D_METHOD("get_refraction_texture_channel"), &SpatialMaterial::get_refraction_texture_channel); + ClassDB::bind_method(D_METHOD("set_proximity_fade", "enabled"), &SpatialMaterial::set_proximity_fade); + ClassDB::bind_method(D_METHOD("is_proximity_fade_enabled"), &SpatialMaterial::is_proximity_fade_enabled); + + ClassDB::bind_method(D_METHOD("set_proximity_fade_distance", "distance"), &SpatialMaterial::set_proximity_fade_distance); + ClassDB::bind_method(D_METHOD("get_proximity_fade_distance"), &SpatialMaterial::get_proximity_fade_distance); + + ClassDB::bind_method(D_METHOD("set_distance_fade", "enabled"), &SpatialMaterial::set_distance_fade); + ClassDB::bind_method(D_METHOD("is_distance_fade_enabled"), &SpatialMaterial::is_distance_fade_enabled); + + ClassDB::bind_method(D_METHOD("set_distance_fade_max_distance", "distance"), &SpatialMaterial::set_distance_fade_max_distance); + ClassDB::bind_method(D_METHOD("get_distance_fade_max_distance"), &SpatialMaterial::get_distance_fade_max_distance); + + ClassDB::bind_method(D_METHOD("set_distance_fade_min_distance", "distance"), &SpatialMaterial::set_distance_fade_min_distance); + ClassDB::bind_method(D_METHOD("get_distance_fade_min_distance"), &SpatialMaterial::get_distance_fade_min_distance); + ADD_GROUP("Flags", "flags_"); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flags_transparent"), "set_feature", "get_feature", FEATURE_TRANSPARENT); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flags_unshaded"), "set_flag", "get_flag", FLAG_UNSHADED); @@ -1795,6 +1895,14 @@ void SpatialMaterial::_bind_methods() { ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "uv2_triplanar"), "set_flag", "get_flag", FLAG_UV2_USE_TRIPLANAR); ADD_PROPERTY(PropertyInfo(Variant::REAL, "uv2_triplanar_sharpness", PROPERTY_HINT_EXP_EASING), "set_uv2_triplanar_blend_sharpness", "get_uv2_triplanar_blend_sharpness"); + ADD_GROUP("Proximity Fade", "proximity_fade_"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "proximity_fade_enable"), "set_proximity_fade", "is_proximity_fade_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "proximity_fade_distance", PROPERTY_HINT_RANGE, "0,4096,0.1"), "set_proximity_fade_distance", "get_proximity_fade_distance"); + ADD_GROUP("Distance Fade", "distance_fade_"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "distance_fade_enable"), "set_distance_fade", "is_distance_fade_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "distance_fade_min_distance", PROPERTY_HINT_RANGE, "0,4096,0.1"), "set_distance_fade_min_distance", "get_distance_fade_min_distance"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "distance_fade_max_distance", PROPERTY_HINT_RANGE, "0,4096,0.1"), "set_distance_fade_max_distance", "get_distance_fade_max_distance"); + BIND_ENUM_CONSTANT(TEXTURE_ALBEDO); BIND_ENUM_CONSTANT(TEXTURE_METALLIC); BIND_ENUM_CONSTANT(TEXTURE_ROUGHNESS); @@ -1916,6 +2024,12 @@ SpatialMaterial::SpatialMaterial() set_particles_anim_loop(false); set_alpha_scissor_threshold(0.98); + proximity_fade_enabled = false; + distance_fade_enabled = false; + set_proximity_fade_distance(1); + set_distance_fade_min_distance(0); + set_distance_fade_max_distance(10); + set_metallic_texture_channel(TEXTURE_CHANNEL_RED); set_roughness_texture_channel(TEXTURE_CHANNEL_RED); set_ao_texture_channel(TEXTURE_CHANNEL_RED); diff --git a/scene/resources/material.h b/scene/resources/material.h index fdb11982a8f..0c33891897d 100644 --- a/scene/resources/material.h +++ b/scene/resources/material.h @@ -232,6 +232,8 @@ private: uint64_t deep_parallax : 1; uint64_t billboard_mode : 2; uint64_t grow : 1; + uint64_t proximity_fade : 1; + uint64_t distance_fade : 1; }; uint64_t key; @@ -274,6 +276,8 @@ private: 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_enabled; return mk; } @@ -308,6 +312,9 @@ private: StringName uv1_blend_sharpness; StringName uv2_blend_sharpness; StringName grow; + StringName proximity_fade_distance; + StringName distance_fade_min; + StringName distance_fade_max; StringName metallic_texture_channel; StringName roughness_texture_channel; @@ -370,6 +377,13 @@ private: int deep_parallax_min_layers; int deep_parallax_max_layers; + bool proximity_fade_enabled; + float proximity_fade_distance; + + bool distance_fade_enabled; + float distance_fade_max_distance; + float distance_fade_min_distance; + BlendMode blend_mode; BlendMode detail_blend_mode; DepthDrawMode depth_draw_mode; @@ -535,6 +549,21 @@ public: 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(bool p_enable); + bool is_distance_fade_enabled() 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_metallic_texture_channel(TextureChannel p_channel); TextureChannel get_metallic_texture_channel() const; void set_roughness_texture_channel(TextureChannel p_channel); diff --git a/servers/visual/shader_types.cpp b/servers/visual/shader_types.cpp index 91c5d430f59..e828898f828 100644 --- a/servers/visual/shader_types.cpp +++ b/servers/visual/shader_types.cpp @@ -75,6 +75,7 @@ ShaderTypes::ShaderTypes() { shader_modes[VS::SHADER_SPATIAL].functions["vertex"].built_ins["CAMERA_MATRIX"] = ShaderLanguage::TYPE_MAT4; shader_modes[VS::SHADER_SPATIAL].functions["vertex"].built_ins["PROJECTION_MATRIX"] = ShaderLanguage::TYPE_MAT4; shader_modes[VS::SHADER_SPATIAL].functions["vertex"].built_ins["MODELVIEW_MATRIX"] = ShaderLanguage::TYPE_MAT4; + shader_modes[VS::SHADER_SPATIAL].functions["vertex"].built_ins["INV_PROJECTION_MATRIX"] = ShaderLanguage::TYPE_MAT4; shader_modes[VS::SHADER_SPATIAL].functions["vertex"].built_ins["TIME"] = ShaderLanguage::TYPE_FLOAT; shader_modes[VS::SHADER_SPATIAL].functions["vertex"].built_ins["VIEWPORT_SIZE"] = ShaderLanguage::TYPE_VEC2; @@ -115,6 +116,7 @@ ShaderTypes::ShaderTypes() { shader_modes[VS::SHADER_SPATIAL].functions["fragment"].built_ins["WORLD_MATRIX"] = ShaderLanguage::TYPE_MAT4; shader_modes[VS::SHADER_SPATIAL].functions["fragment"].built_ins["INV_CAMERA_MATRIX"] = ShaderLanguage::TYPE_MAT4; shader_modes[VS::SHADER_SPATIAL].functions["fragment"].built_ins["PROJECTION_MATRIX"] = ShaderLanguage::TYPE_MAT4; + shader_modes[VS::SHADER_SPATIAL].functions["fragment"].built_ins["INV_PROJECTION_MATRIX"] = ShaderLanguage::TYPE_MAT4; shader_modes[VS::SHADER_SPATIAL].functions["fragment"].built_ins["TIME"] = ShaderLanguage::TYPE_FLOAT; shader_modes[VS::SHADER_SPATIAL].functions["fragment"].built_ins["VIEWPORT_SIZE"] = ShaderLanguage::TYPE_VEC2; shader_modes[VS::SHADER_SPATIAL].functions["fragment"].can_discard = true;