utility functions

engine/inc/renderer/3d/renderer_3d_utility.hpp

@@ -14,10 +14,16 @@
 #include "renderer/models/color.hpp"
 #include "renderer/core/3d/bbox/core_bbox.hpp"
 #include "../core/renderer_core.hpp"
+#include "renderer/core/3d/clipper/planes_clip_algorithm.hpp"
 
 namespace Tyra {
 
-/** Debug functions, with bad performance. */
+/**
+ * Debug functions, with bad performance.
+ *
+ * Remember that you need to use them AFTER ALLPASS rendering.
+ * (for example after skybox), otherwise colors will not work.
+ */
 class Renderer3DUtility {
  public:
   Renderer3DUtility();
@@ -25,8 +31,8 @@ class Renderer3DUtility {
 
   void init(RendererCore* core);
 
-  void drawPoint(const Vec4& v);
-  void drawPoint(const Vec4& v, const Color& color);
+  void drawBox(const Vec4& v, const float& size);
+  void drawBox(const Vec4& v, const float& size, const Color& color);
 
   void drawLine(const Vec4& from, const Vec4& to);
   void drawLine(const Vec4& from, const Vec4& to, const Color& color);
@@ -35,10 +41,26 @@ class Renderer3DUtility {
   void drawBBox(const CoreBBox& v, const Color& color);
 
  private:
+  std::array<PlanesClipVertex, 9> clippedVerts;
+  std::array<PlanesClipVertexPtrs, 3> clipInput;
+
   RendererCore* core;
 
-  prim_t basePrim;
-  color_t baseColor;
+  prim_t prim;
+
+  void fillBBoxVertices(std::array<std::array<Vec4, 4>, 6>& v,
+                        const CoreBBox& bbox);
+
+  color_t getGSColor(const Color& color);
+
+  /**
+   * @return true - To draw
+   * @return false - To skip (outside view frustum)
+   */
+  bool calcLineVertices(xyz_t* outputArray, const Vec4& a, const Vec4& b,
+                        const u8& displayOffset);
+
+  PlanesClipAlgorithm planesClipAlgorithm;
 };
 
 }  // namespace Tyra