1 files changed, 48 insertions, 4 deletions

diff --git a/modules/noise/noise.cpp b/modules/noise/noise.cpp
index 430e8c87cf..ad3df0a016 100644
--- a/modules/noise/noise.cpp
+++ b/modules/noise/noise.cpp
@@ -30,13 +30,13 @@
 
 #include "noise.h"
 
-Ref<Image> Noise::get_seamless_image(int p_width, int p_height, bool p_invert, real_t p_blend_skirt) {
+Ref<Image> Noise::get_seamless_image(int p_width, int p_height, bool p_invert, bool p_in_3d_space, real_t p_blend_skirt) const {
 	int skirt_width = p_width * p_blend_skirt;
 	int skirt_height = p_height * p_blend_skirt;
 	int src_width = p_width + skirt_width;
 	int src_height = p_height + skirt_height;
 
-	Ref<Image> src = get_image(src_width, src_height, p_invert);
+	Ref<Image> src = get_image(src_width, src_height, p_invert, p_in_3d_space);
 	bool grayscale = (src->get_format() == Image::FORMAT_L8);
 	if (grayscale) {
 		return _generate_seamless_image<uint8_t>(src, p_width, p_height, p_invert, p_blend_skirt);
@@ -54,6 +54,50 @@ uint8_t Noise::_alpha_blend<uint8_t>(uint8_t p_bg, uint8_t p_fg, int p_alpha) co
 	return (uint8_t)((alpha * p_fg + inv_alpha * p_bg) >> 8);
 }
 
+Ref<Image> Noise::get_image(int p_width, int p_height, bool p_invert, bool p_in_3d_space) const {
+	Vector<uint8_t> data;
+	data.resize(p_width * p_height);
+
+	uint8_t *wd8 = data.ptrw();
+
+	// Get all values and identify min/max values.
+	Vector<real_t> values;
+	values.resize(p_width * p_height);
+	real_t min_val = 1000;
+	real_t max_val = -1000;
+
+	for (int y = 0, i = 0; y < p_height; y++) {
+		for (int x = 0; x < p_width; x++, i++) {
+			values.set(i, p_in_3d_space ? get_noise_3d(x, y, 0.0) : get_noise_2d(x, y));
+			if (values[i] > max_val) {
+				max_val = values[i];
+			}
+			if (values[i] < min_val) {
+				min_val = values[i];
+			}
+		}
+	}
+
+	// Normalize values and write to texture.
+	uint8_t value;
+	for (int i = 0, x = 0; i < p_height; i++) {
+		for (int j = 0; j < p_width; j++, x++) {
+			if (max_val == min_val) {
+				value = 0;
+			} else {
+				value = uint8_t(CLAMP((values[x] - min_val) / (max_val - min_val) * 255.f, 0, 255));
+			}
+			if (p_invert) {
+				value = 255 - value;
+			}
+
+			wd8[x] = value;
+		}
+	}
+
+	return memnew(Image(p_width, p_height, false, Image::FORMAT_L8, data));
+}
+
 void Noise::_bind_methods() {
 	// Noise functions.
 	ClassDB::bind_method(D_METHOD("get_noise_1d", "x"), &Noise::get_noise_1d);
@@ -63,6 +107,6 @@ void Noise::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_noise_3dv", "v"), &Noise::get_noise_3dv);
 
 	// Textures.
-	ClassDB::bind_method(D_METHOD("get_image", "width", "height", "invert"), &Noise::get_image, DEFVAL(false));
-	ClassDB::bind_method(D_METHOD("get_seamless_image", "width", "height", "invert", "skirt"), &Noise::get_seamless_image, DEFVAL(false), DEFVAL(0.1));
+	ClassDB::bind_method(D_METHOD("get_image", "width", "height", "invert", "in_3d_space"), &Noise::get_image, DEFVAL(false), DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("get_seamless_image", "width", "height", "invert", "in_3d_space", "skirt"), &Noise::get_seamless_image, DEFVAL(false), DEFVAL(false), DEFVAL(0.1));
 }