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author Hop311 <hop3114@gmail.com>2023-09-14 09:52:25 +0200
committer Hop311 <hop3114@gmail.com>2023-09-14 09:52:25 +0200
commit70c040d042cb536e5ce16b0cfff0e0afa39e8ed7 (patch)
tree559681d5a2569adc307409d818311760edc12654 /extension/src/Utilities.cpp
parent9dc8c3c89a86b8be2084890f3207adc6c9cda496 (diff)
Logger::warning, format cleanup + req comments
Diffstat (limited to 'extension/src/Utilities.cpp')
-rw-r--r--extension/src/Utilities.cpp106
1 files changed, 0 insertions, 106 deletions
diff --git a/extension/src/Utilities.cpp b/extension/src/Utilities.cpp
deleted file mode 100644
index 4ca6855..0000000
--- a/extension/src/Utilities.cpp
+++ /dev/null
@@ -1,106 +0,0 @@
-#include "Utilities.hpp"
-
-#include <numbers>
-
-#include <godot_cpp/classes/resource_loader.hpp>
-#include <godot_cpp/variant/utility_functions.hpp>
-
-using namespace godot;
-using namespace OpenVic;
-
-Ref<Image> OpenVic::load_godot_image(String const& path) {
- if (path.begins_with("res://")) {
- ResourceLoader* loader = ResourceLoader::get_singleton();
- return loader ? loader->load(path) : nullptr;
- } else {
- return Image::load_from_file(path);
- }
-}
-
-// Get the polar coordinates of a pixel relative to the center
-static Vector2 getPolar(Vector2 UVin, Vector2 center) {
- Vector2 relcoord = (UVin - center);
- float dist = relcoord.length();
- float theta = std::numbers::pi / 2 + atan2(relcoord.y, relcoord.x);
- if (theta < 0.0f) theta += std::numbers::pi * 2;
- return { dist, theta };
-}
-
-// From thebookofshaders, returns a gradient falloff
-static inline float parabola(float base, float x, float k) {
- return powf(base * x * (1.0 - x), k);
-}
-
-static inline float parabola_shadow(float base, float x) {
- return base * x * x;
-}
-
-static Color pie_chart_fragment(Vector2 UV, float radius, Array const& stopAngles, Array const& colours,
- Vector2 shadow_displacement, float shadow_tightness, float shadow_radius, float shadow_thickness,
- Color trim_colour, float trim_size, float gradient_falloff, float gradient_base,
- bool donut, bool donut_inner_trim, float donut_inner_radius) {
-
- Vector2 coords = getPolar(UV, { 0.5, 0.5 });
- float dist = coords.x;
- float theta = coords.y;
-
- Vector2 shadow_polar = getPolar(UV, shadow_displacement);
- float shadow_peak = radius + (radius - donut_inner_radius) / 2.0;
- float shadow_gradient = shadow_thickness + parabola_shadow(shadow_tightness * -10.0, shadow_polar.x + shadow_peak - shadow_radius);
-
- // Inner hole of the donut => make it transparent
- if (donut && dist <= donut_inner_radius) {
- return { 0.1, 0.1, 0.1, shadow_gradient };
- }
- // Inner trim
- else if (donut && donut_inner_trim && dist <= donut_inner_radius + trim_size) {
- return { trim_colour, 1.0 };
- }
- // Interior
- else if (dist <= radius - trim_size) {
- Color col { 1.0f, 0.0f, 0.0f };
- for (int i = 0; i < stopAngles.size(); i++) {
- if (theta <= float(stopAngles[i])) {
- col = colours[i];
- break;
- }
- }
- float gradient = parabola(gradient_base, dist, gradient_falloff);
- return { col * (1.0 - gradient), 1.0 };
- }
- // Outer trim
- else if (dist <= radius) {
- return { trim_colour, 1.0 };
- }
- // Outside the circle
- else {
- return { 0.1, 0.1, 0.1, shadow_gradient };
- }
-}
-
-void OpenVic::draw_pie_chart(Ref<Image> image,
- Array const& stopAngles, Array const& colours, float radius,
- Vector2 shadow_displacement, float shadow_tightness, float shadow_radius, float shadow_thickness,
- Color trim_colour, float trim_size, float gradient_falloff, float gradient_base,
- bool donut, bool donut_inner_trim, float donut_inner_radius) {
-
- ERR_FAIL_NULL_EDMSG(image, "Cannot draw pie chart to null image.");
- const int32_t width = image->get_width();
- const int32_t height = image->get_height();
- ERR_FAIL_COND_EDMSG(width <= 0 || height <= 0, "Cannot draw pie chart to empty image.");
- if (width != height) {
- UtilityFunctions::push_warning("Drawing pie chart to non-square image: ", width, "x", height);
- }
- const int32_t size = std::min(width, height);
- for (int32_t y = 0; y < size; ++y) {
- for (int32_t x = 0; x < size; ++x) {
- image->set_pixel(x, y, pie_chart_fragment(
- { static_cast<float>(x) / static_cast<float>(size),
- static_cast<float>(y) / static_cast<float>(size) },
- radius, stopAngles, colours,
- shadow_displacement, shadow_tightness, shadow_radius, shadow_thickness,
- trim_colour, trim_size, gradient_falloff, gradient_base,
- donut, donut_inner_trim, donut_inner_radius));
- }
- }
-}