diff options
Diffstat (limited to 'modules/opensimplex/noise_texture.cpp')
| -rw-r--r-- | modules/opensimplex/noise_texture.cpp | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/modules/opensimplex/noise_texture.cpp b/modules/opensimplex/noise_texture.cpp new file mode 100644 index 0000000000..b82b0b453f --- /dev/null +++ b/modules/opensimplex/noise_texture.cpp @@ -0,0 +1,244 @@ +/*************************************************************************/ +/* noise_texture.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2018 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 "noise_texture.h" + +#include "core/core_string_names.h" + +NoiseTexture::NoiseTexture() { + update_queued = false; + noise_thread = NULL; + regen_queued = false; + first_time = true; + + size = Vector2i(512, 512); + seamless = false; + as_normalmap = false; + flags = FLAGS_DEFAULT; + + noise = Ref<SimplexNoise>(); + + texture = VS::get_singleton()->texture_create(); + + _queue_update(); +} + +NoiseTexture::~NoiseTexture() { + VS::get_singleton()->free(texture); +} + +void NoiseTexture::_bind_methods() { + + ClassDB::bind_method(D_METHOD("set_width", "width"), &NoiseTexture::set_width); + ClassDB::bind_method(D_METHOD("set_height", "height"), &NoiseTexture::set_height); + ClassDB::bind_method(D_METHOD("set_size", "size"), &NoiseTexture::set_size); + + ClassDB::bind_method(D_METHOD("set_noise", "noise"), &NoiseTexture::set_noise); + ClassDB::bind_method(D_METHOD("get_noise"), &NoiseTexture::get_noise); + + ClassDB::bind_method(D_METHOD("set_seamless", "seamless"), &NoiseTexture::set_seamless); + ClassDB::bind_method(D_METHOD("get_seamless"), &NoiseTexture::get_seamless); + + ClassDB::bind_method(D_METHOD("set_as_normalmap", "as_normalmap"), &NoiseTexture::set_as_normalmap); + ClassDB::bind_method(D_METHOD("is_normalmap"), &NoiseTexture::is_normalmap); + + ClassDB::bind_method(D_METHOD("_update_texture"), &NoiseTexture::_update_texture); + ClassDB::bind_method(D_METHOD("_generate_texture"), &NoiseTexture::_generate_texture); + ClassDB::bind_method(D_METHOD("_thread_done", "image"), &NoiseTexture::_thread_done); + + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "size"), "set_size", "get_size"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "seamless"), "set_seamless", "get_seamless"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "as_normalmap"), "set_as_normalmap", "is_normalmap"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "noise", PROPERTY_HINT_RESOURCE_TYPE, "SimplexNoise"), "set_noise", "get_noise"); +} + +void NoiseTexture::_set_texture_data(const Ref<Image> &p_image) { + data = p_image; + if (data.is_valid()) { + VS::get_singleton()->texture_allocate(texture, size.x, size.y, 0, Image::FORMAT_RGBA8, VS::TEXTURE_TYPE_2D, flags); + VS::get_singleton()->texture_set_data(texture, p_image); + } + emit_changed(); +} + +void NoiseTexture::_thread_done(const Ref<Image> &p_image) { + + _set_texture_data(p_image); + Thread::wait_to_finish(noise_thread); + memdelete(noise_thread); + noise_thread = NULL; + if (regen_queued) { + noise_thread = Thread::create(_thread_function, this); + regen_queued = false; + } +} + +void NoiseTexture::_thread_function(void *p_ud) { + NoiseTexture *tex = (NoiseTexture *)p_ud; + tex->call_deferred("_thread_done", tex->_generate_texture()); +} + +void NoiseTexture::_queue_update() { + + if (update_queued) + return; + + update_queued = true; + call_deferred("_update_texture"); +} + +Ref<Image> NoiseTexture::_generate_texture() { + + update_queued = false; + + if (noise.is_null()) return Ref<Image>(); + + Ref<Image> image; + + if (seamless) { + image = noise->get_seamless_image(size.x); + } else { + image = noise->get_image(size.x, size.y); + } + + if (as_normalmap) { + image->bumpmap_to_normalmap(); + } + + return image; +} + +void NoiseTexture::_update_texture() { + bool use_thread = true; + if (first_time) { + use_thread = false; + first_time = false; + } +#ifdef NO_THREADS + use_thread = false; +#endif + if (use_thread) { + + if (!noise_thread) { + noise_thread = Thread::create(_thread_function, this); + regen_queued = false; + } else { + regen_queued = true; + } + + } else { + Ref<Image> image = _generate_texture(); + _set_texture_data(image); + } +} + +void NoiseTexture::set_noise(Ref<SimplexNoise> p_noise) { + if (p_noise == noise) + return; + if (noise.is_valid()) { + noise->disconnect(CoreStringNames::get_singleton()->changed, this, "_update_texture"); + } + noise = p_noise; + if (noise.is_valid()) { + noise->connect(CoreStringNames::get_singleton()->changed, this, "_update_texture"); + } + _queue_update(); +} + +Ref<SimplexNoise> NoiseTexture::get_noise() { + return noise; +} + +void NoiseTexture::set_width(int p_width) { + if (p_width == size.x) return; + size.x = p_width; + _queue_update(); +} + +void NoiseTexture::set_height(int p_height) { + if (p_height == size.y) return; + size.y = p_height; + _queue_update(); +} + +void NoiseTexture::set_seamless(bool p_seamless) { + if (p_seamless == seamless) return; + seamless = p_seamless; + _queue_update(); +} + +bool NoiseTexture::get_seamless() { + return seamless; +} + +void NoiseTexture::set_as_normalmap(bool p_as_normalmap) { + if (p_as_normalmap == as_normalmap) return; + as_normalmap = p_as_normalmap; + _queue_update(); +} + +bool NoiseTexture::is_normalmap() { + return as_normalmap; +} + +void NoiseTexture::set_size(Vector2 p_size) { + if (p_size == size) return; + size = p_size; + _queue_update(); +} + +Vector2 NoiseTexture::get_size() { + + return size; +} + +int NoiseTexture::get_width() const { + + return size.x; +} + +int NoiseTexture::get_height() const { + + return size.y; +} + +void NoiseTexture::set_flags(uint32_t p_flags) { + flags = p_flags; + VS::get_singleton()->texture_set_flags(texture, flags); +} + +uint32_t NoiseTexture::get_flags() const { + return flags; +} + +Ref<Image> NoiseTexture::get_data() const { + + return data; +} |