Multithreaded world generation with Perlin

1 files changed, 28 insertions, 0 deletions

diff --git a/src/GFX/Image/RawImage.cpp b/src/GFX/Image/RawImage.cpp
index aca8fbc..1222fab 100644
--- a/src/GFX/Image/RawImage.cpp
+++ b/src/GFX/Image/RawImage.cpp
@@ -2,6 +2,19 @@
 
 namespace MC::GFX::Image {
 
+RawImage::RawImage(Util::Sampler<2, float>& sampler, uint32_t width, uint32_t height)
+    : m_pixels(), m_width(width), m_height(height)
+{
+    m_pixels.reserve(width * height);
+    for (int y = 0; y < height; y++) {
+        for (int x = 0; x < width; x++) {
+            auto result = sampler.sample({(float)x, (float)y});
+            auto intensity = (uint8_t)(result * 255);
+            add({intensity, intensity, intensity});
+        }
+    }
+}
+
 void RawImage::add(RawImage::Pixel pixel) {
     m_pixels.push_back(pixel);
 }
@@ -26,4 +39,19 @@ uint8_t RawImage::channels() const {
     return m_channels;
 }
 
+std::string RawImage::string() const {
+    std::stringstream str{};
+
+    bool comma = false;
+    str << "[";
+    for (const auto& pixel : m_pixels) {
+        if (comma) { str << ", "; }
+        str << "{r=" << (uint)pixel.r << ", g=" << (uint)pixel.g << ", b=" << (uint)pixel.r << "}";
+        comma = true;
+    }
+    str << "]";
+
+    return str.str();
+}
+
 }
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