280 lines
9.1 KiB
C++
280 lines
9.1 KiB
C++
/*************************************************************************/
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/* shader_globals_override.cpp */
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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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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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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#include "shader_globals_override.h"
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#include "core/core_string_names.h"
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#include "scene/main/window.h"
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#include "scene/scene_string_names.h"
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StringName *ShaderGlobalsOverride::_remap(const StringName &p_name) const {
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StringName *r = param_remaps.getptr(p_name);
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if (!r) {
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//not cached, do caching
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String p = p_name;
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if (p.begins_with("params/")) {
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String q = p.replace_first("params/", "");
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param_remaps[p] = q;
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r = param_remaps.getptr(q);
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}
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}
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return r;
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}
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bool ShaderGlobalsOverride::_set(const StringName &p_name, const Variant &p_value) {
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StringName *r = _remap(p_name);
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if (r) {
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Override *o = overrides.getptr(*r);
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if (!o) {
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Override ov;
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ov.in_use = false;
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overrides[*r] = ov;
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o = overrides.getptr(*r);
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}
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if (o) {
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o->override = p_value;
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if (active) {
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RS::get_singleton()->global_variable_set_override(*r, p_value);
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}
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o->in_use = p_value.get_type() != Variant::NIL;
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return true;
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}
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}
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return false;
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}
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bool ShaderGlobalsOverride::_get(const StringName &p_name, Variant &r_ret) const {
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StringName *r = _remap(p_name);
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if (r) {
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const Override *o = overrides.getptr(*r);
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if (o) {
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r_ret = o->override;
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return true;
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}
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}
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return false;
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}
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void ShaderGlobalsOverride::_get_property_list(List<PropertyInfo> *p_list) const {
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Vector<StringName> variables;
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variables = RS::get_singleton()->global_variable_get_list();
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for (int i = 0; i < variables.size(); i++) {
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PropertyInfo pinfo;
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pinfo.name = "params/" + variables[i];
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pinfo.usage = PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_CHECKABLE;
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switch (RS::get_singleton()->global_variable_get_type(variables[i])) {
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case RS::GLOBAL_VAR_TYPE_BOOL: {
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pinfo.type = Variant::BOOL;
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} break;
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case RS::GLOBAL_VAR_TYPE_BVEC2: {
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pinfo.type = Variant::INT;
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pinfo.hint = PROPERTY_HINT_FLAGS;
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pinfo.hint_string = "x,y";
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} break;
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case RS::GLOBAL_VAR_TYPE_BVEC3: {
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pinfo.type = Variant::INT;
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pinfo.hint = PROPERTY_HINT_FLAGS;
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pinfo.hint_string = "x,y,z";
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} break;
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case RS::GLOBAL_VAR_TYPE_BVEC4: {
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pinfo.type = Variant::INT;
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pinfo.hint = PROPERTY_HINT_FLAGS;
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pinfo.hint_string = "x,y,z,w";
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} break;
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case RS::GLOBAL_VAR_TYPE_INT: {
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pinfo.type = Variant::INT;
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} break;
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case RS::GLOBAL_VAR_TYPE_IVEC2: {
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pinfo.type = Variant::VECTOR2I;
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} break;
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case RS::GLOBAL_VAR_TYPE_IVEC3: {
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pinfo.type = Variant::VECTOR3I;
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} break;
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case RS::GLOBAL_VAR_TYPE_IVEC4: {
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pinfo.type = Variant::PACKED_INT32_ARRAY;
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} break;
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case RS::GLOBAL_VAR_TYPE_RECT2I: {
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pinfo.type = Variant::RECT2I;
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} break;
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case RS::GLOBAL_VAR_TYPE_UINT: {
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pinfo.type = Variant::INT;
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} break;
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case RS::GLOBAL_VAR_TYPE_UVEC2: {
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pinfo.type = Variant::VECTOR2I;
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} break;
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case RS::GLOBAL_VAR_TYPE_UVEC3: {
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pinfo.type = Variant::VECTOR3I;
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} break;
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case RS::GLOBAL_VAR_TYPE_UVEC4: {
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pinfo.type = Variant::PACKED_INT32_ARRAY;
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} break;
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case RS::GLOBAL_VAR_TYPE_FLOAT: {
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pinfo.type = Variant::FLOAT;
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} break;
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case RS::GLOBAL_VAR_TYPE_VEC2: {
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pinfo.type = Variant::VECTOR2;
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} break;
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case RS::GLOBAL_VAR_TYPE_VEC3: {
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pinfo.type = Variant::VECTOR3;
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} break;
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case RS::GLOBAL_VAR_TYPE_VEC4: {
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pinfo.type = Variant::PLANE;
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} break;
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case RS::GLOBAL_VAR_TYPE_RECT2: {
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pinfo.type = Variant::RECT2;
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} break;
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case RS::GLOBAL_VAR_TYPE_COLOR: {
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pinfo.type = Variant::COLOR;
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} break;
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case RS::GLOBAL_VAR_TYPE_MAT2: {
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pinfo.type = Variant::PACKED_INT32_ARRAY;
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} break;
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case RS::GLOBAL_VAR_TYPE_MAT3: {
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pinfo.type = Variant::BASIS;
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} break;
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case RS::GLOBAL_VAR_TYPE_TRANSFORM_2D: {
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pinfo.type = Variant::TRANSFORM2D;
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} break;
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case RS::GLOBAL_VAR_TYPE_TRANSFORM: {
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pinfo.type = Variant::TRANSFORM;
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} break;
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case RS::GLOBAL_VAR_TYPE_MAT4: {
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pinfo.type = Variant::PACKED_INT32_ARRAY;
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} break;
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case RS::GLOBAL_VAR_TYPE_SAMPLER2D: {
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pinfo.type = Variant::OBJECT;
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pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
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pinfo.hint_string = "Texture2D";
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} break;
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case RS::GLOBAL_VAR_TYPE_SAMPLER2DARRAY: {
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pinfo.type = Variant::OBJECT;
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pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
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pinfo.hint_string = "Texture2DArray";
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} break;
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case RS::GLOBAL_VAR_TYPE_SAMPLER3D: {
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pinfo.type = Variant::OBJECT;
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pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
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pinfo.hint_string = "Texture3D";
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} break;
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case RS::GLOBAL_VAR_TYPE_SAMPLERCUBE: {
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pinfo.type = Variant::OBJECT;
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pinfo.hint = PROPERTY_HINT_RESOURCE_TYPE;
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pinfo.hint_string = "Cubemap";
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} break;
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default: {
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} break;
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}
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if (!overrides.has(variables[i])) {
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Override o;
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o.in_use = false;
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Callable::CallError ce;
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Variant::construct(pinfo.type, o.override, nullptr, 0, ce);
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overrides[variables[i]] = o;
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}
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Override *o = overrides.getptr(variables[i]);
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if (o->in_use && o->override.get_type() != Variant::NIL) {
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pinfo.usage |= PROPERTY_USAGE_CHECKED;
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pinfo.usage |= PROPERTY_USAGE_STORAGE;
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}
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p_list->push_back(pinfo);
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}
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}
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void ShaderGlobalsOverride::_activate() {
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List<Node *> nodes;
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get_tree()->get_nodes_in_group(SceneStringNames::get_singleton()->shader_overrides_group_active, &nodes);
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if (nodes.size() == 0) {
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//good we are the only override, enable all
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active = true;
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add_to_group(SceneStringNames::get_singleton()->shader_overrides_group_active);
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const StringName *K = nullptr;
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while ((K = overrides.next(K))) {
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Override *o = overrides.getptr(*K);
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if (o->in_use && o->override.get_type() != Variant::NIL) {
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RS::get_singleton()->global_variable_set_override(*K, o->override);
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}
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}
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update_configuration_warning(); //may have activated
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}
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}
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void ShaderGlobalsOverride::_notification(int p_what) {
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if (p_what == Node3D::NOTIFICATION_ENTER_TREE) {
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add_to_group(SceneStringNames::get_singleton()->shader_overrides_group);
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_activate();
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} else if (p_what == Node3D::NOTIFICATION_EXIT_TREE) {
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if (active) {
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//remove overrides
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const StringName *K = nullptr;
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while ((K = overrides.next(K))) {
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Override *o = overrides.getptr(*K);
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if (o->in_use) {
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RS::get_singleton()->global_variable_set_override(*K, Variant());
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}
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}
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}
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remove_from_group(SceneStringNames::get_singleton()->shader_overrides_group_active);
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remove_from_group(SceneStringNames::get_singleton()->shader_overrides_group);
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get_tree()->call_group(SceneStringNames::get_singleton()->shader_overrides_group, "_activate"); //another may want to activate when this is removed
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active = false;
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}
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}
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String ShaderGlobalsOverride::get_configuration_warning() const {
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String warning = Node::get_configuration_warning();
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if (!active) {
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if (!warning.is_empty()) {
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warning += "\n\n";
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}
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warning += TTR("ShaderGlobalsOverride is not active because another node of the same type is in the scene.");
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}
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return warning;
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}
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void ShaderGlobalsOverride::_bind_methods() {
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ClassDB::bind_method(D_METHOD("_activate"), &ShaderGlobalsOverride::_activate);
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}
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ShaderGlobalsOverride::ShaderGlobalsOverride() {}
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