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Diffstat (limited to 'scene/main/shader_globals_override.cpp')
-rw-r--r--scene/main/shader_globals_override.cpp277
1 files changed, 277 insertions, 0 deletions
diff --git a/scene/main/shader_globals_override.cpp b/scene/main/shader_globals_override.cpp
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+++ b/scene/main/shader_globals_override.cpp
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+/*************************************************************************/
+/* shader_globals_override.cpp */
+/*************************************************************************/
+/* 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. */
+/*************************************************************************/
+
+#include "shader_globals_override.h"
+
+#include "core/core_string_names.h"
+#include "scene/main/window.h"
+#include "scene/scene_string_names.h"
+
+StringName *ShaderGlobalsOverride::_remap(const StringName &p_name) const {
+ StringName *r = param_remaps.getptr(p_name);
+ if (!r) {
+ //not cached, do caching
+ String p = p_name;
+ if (p.begins_with("params/")) {
+ String q = p.replace_first("params/", "");
+ param_remaps[p] = q;
+ r = param_remaps.getptr(q);
+ }
+ }
+
+ return r;
+}
+
+bool ShaderGlobalsOverride::_set(const StringName &p_name, const Variant &p_value) {
+ StringName *r = _remap(p_name);
+
+ if (r) {
+ Override *o = overrides.getptr(*r);
+ if (!o) {
+ Override ov;
+ ov.in_use = false;
+ overrides[*r] = ov;
+ o = overrides.getptr(*r);
+ }
+ if (o) {
+ o->override = p_value;
+ if (active) {
+ RS::get_singleton()->global_variable_set_override(*r, p_value);
+ }
+ o->in_use = p_value.get_type() != Variant::NIL;
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool ShaderGlobalsOverride::_get(const StringName &p_name, Variant &r_ret) const {
+ StringName *r = _remap(p_name);
+
+ if (r) {
+ const Override *o = overrides.getptr(*r);
+ if (o) {
+ r_ret = o->override;
+ return true;
+ }
+ }
+
+ return false;
+}
+
+void ShaderGlobalsOverride::_get_property_list(List<PropertyInfo> *p_list) const {
+ Vector<StringName> variables;
+ variables = RS::get_singleton()->global_variable_get_list();
+ for (int i = 0; i < variables.size(); i++) {
+ PropertyInfo pinfo;
+ pinfo.name = "params/" + variables[i];
+ pinfo.usage = PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_CHECKABLE;
+
+ switch (RS::get_singleton()->global_variable_get_type(variables[i])) {
+ case RS::GLOBAL_VAR_TYPE_BOOL: {
+ pinfo.type = Variant::BOOL;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_BVEC2: {
+ pinfo.type = Variant::INT;
+ pinfo.hint = PROPERTY_HINT_FLAGS;
+ pinfo.hint_string = "x,y";
+ } break;
+ case RS::GLOBAL_VAR_TYPE_BVEC3: {
+ pinfo.type = Variant::INT;
+ pinfo.hint = PROPERTY_HINT_FLAGS;
+ pinfo.hint_string = "x,y,z";
+ } break;
+ case RS::GLOBAL_VAR_TYPE_BVEC4: {
+ pinfo.type = Variant::INT;
+ pinfo.hint = PROPERTY_HINT_FLAGS;
+ pinfo.hint_string = "x,y,z,w";
+ } break;
+ case RS::GLOBAL_VAR_TYPE_INT: {
+ pinfo.type = Variant::INT;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_IVEC2: {
+ pinfo.type = Variant::VECTOR2I;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_IVEC3: {
+ pinfo.type = Variant::VECTOR3I;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_IVEC4: {
+ pinfo.type = Variant::PACKED_INT32_ARRAY;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_RECT2I: {
+ pinfo.type = Variant::RECT2I;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_UINT: {
+ pinfo.type = Variant::INT;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_UVEC2: {
+ pinfo.type = Variant::VECTOR2I;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_UVEC3: {
+ pinfo.type = Variant::VECTOR3I;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_UVEC4: {
+ pinfo.type = Variant::PACKED_INT32_ARRAY;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_FLOAT: {
+ pinfo.type = Variant::FLOAT;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_VEC2: {
+ pinfo.type = Variant::VECTOR2;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_VEC3: {
+ pinfo.type = Variant::VECTOR3;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_VEC4: {
+ pinfo.type = Variant::PLANE;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_RECT2: {
+ pinfo.type = Variant::RECT2;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_COLOR: {
+ pinfo.type = Variant::COLOR;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_MAT2: {
+ pinfo.type = Variant::PACKED_INT32_ARRAY;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_MAT3: {
+ pinfo.type = Variant::BASIS;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_TRANSFORM_2D: {
+ pinfo.type = Variant::TRANSFORM2D;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_TRANSFORM: {
+ pinfo.type = Variant::TRANSFORM;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_MAT4: {
+ pinfo.type = Variant::PACKED_INT32_ARRAY;
+ } break;
+ case RS::GLOBAL_VAR_TYPE_SAMPLER2D: {
+ pinfo.type = Variant::OBJECT;
+ pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
+ pinfo.hint_string = "Texture2D";
+ } break;
+ case RS::GLOBAL_VAR_TYPE_SAMPLER2DARRAY: {
+ pinfo.type = Variant::OBJECT;
+ pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
+ pinfo.hint_string = "Texture2DArray";
+ } break;
+ case RS::GLOBAL_VAR_TYPE_SAMPLER3D: {
+ pinfo.type = Variant::OBJECT;
+ pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
+ pinfo.hint_string = "Texture3D";
+ } break;
+ case RS::GLOBAL_VAR_TYPE_SAMPLERCUBE: {
+ pinfo.type = Variant::OBJECT;
+ pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
+ pinfo.hint_string = "Cubemap";
+ } break;
+ default: {
+ } break;
+ }
+
+ if (!overrides.has(variables[i])) {
+ Override o;
+ o.in_use = false;
+ Callable::CallError ce;
+ o.override = Variant::construct(pinfo.type, nullptr, 0, ce);
+ overrides[variables[i]] = o;
+ }
+
+ Override *o = overrides.getptr(variables[i]);
+ if (o->in_use && o->override.get_type() != Variant::NIL) {
+ pinfo.usage |= PROPERTY_USAGE_CHECKED;
+ pinfo.usage |= PROPERTY_USAGE_STORAGE;
+ }
+
+ p_list->push_back(pinfo);
+ }
+}
+
+void ShaderGlobalsOverride::_activate() {
+ List<Node *> nodes;
+ get_tree()->get_nodes_in_group(SceneStringNames::get_singleton()->shader_overrides_group_active, &nodes);
+ if (nodes.size() == 0) {
+ //good we are the only override, enable all
+ active = true;
+ add_to_group(SceneStringNames::get_singleton()->shader_overrides_group_active);
+
+ const StringName *K = nullptr;
+ while ((K = overrides.next(K))) {
+ Override *o = overrides.getptr(*K);
+ if (o->in_use && o->override.get_type() != Variant::NIL) {
+ RS::get_singleton()->global_variable_set_override(*K, o->override);
+ }
+ }
+
+ update_configuration_warning(); //may have activated
+ }
+}
+
+void ShaderGlobalsOverride::_notification(int p_what) {
+ if (p_what == Node3D::NOTIFICATION_ENTER_TREE) {
+ add_to_group(SceneStringNames::get_singleton()->shader_overrides_group);
+ _activate();
+
+ } else if (p_what == Node3D::NOTIFICATION_EXIT_TREE) {
+ if (active) {
+ //remove overrides
+ const StringName *K = nullptr;
+ while ((K = overrides.next(K))) {
+ Override *o = overrides.getptr(*K);
+ if (o->in_use) {
+ RS::get_singleton()->global_variable_set_override(*K, Variant());
+ }
+ }
+ }
+
+ remove_from_group(SceneStringNames::get_singleton()->shader_overrides_group_active);
+ remove_from_group(SceneStringNames::get_singleton()->shader_overrides_group);
+ get_tree()->call_group(SceneStringNames::get_singleton()->shader_overrides_group, "_activate"); //another may want to activate when this is removed
+ active = false;
+ }
+}
+
+String ShaderGlobalsOverride::get_configuration_warning() const {
+ if (!active) {
+ return TTR("ShaderGlobalsOverride is not active because another node of the same type is in the scene.");
+ }
+
+ return String();
+}
+
+void ShaderGlobalsOverride::_bind_methods() {
+ ClassDB::bind_method(D_METHOD("_activate"), &ShaderGlobalsOverride::_activate);
+}
+
+ShaderGlobalsOverride::ShaderGlobalsOverride() {
+ active = false;
+}
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