some skybox experiments

[blank.git] / src / graphics / viewport.cpp

diff --git a/src/graphics/viewport.cpp b/src/graphics/viewport.cpp
index 875da78d83c6ecb1913f5cfa61a45ebcc0cabbcb..181c97cd7a9d8a5ba9859920abe26c2081aed844 100644 (file)
--- a/src/graphics/viewport.cpp
+++ b/src/graphics/viewport.cpp
@@ -1,5 +1,6 @@
 #include "Camera.hpp"
 #include "Canvas.hpp"
+#include "SkyBox.hpp"
 #include "Viewport.hpp"
 
 #include "../app/init.hpp"
@@ -73,6 +74,19 @@ void Canvas::UpdateProjection() noexcept {
 }
 
 
+SkyBox::SkyBox(CubeMap &&tex)
+: texture(std::move(tex))
+, model() {
+       model.LoadUnitBox();
+}
+
+void SkyBox::Render(Viewport &viewport) noexcept {
+       SkyBoxShader &prog = viewport.SkyBoxProgram();
+       prog.SetTexture(texture);
+       model.Draw();
+}
+
+
 Viewport::Viewport()
 : cam()
 , canv()
@@ -140,6 +154,7 @@ void Viewport::Resize(int w, int h) noexcept {
        } else {
                entity_prog.SetProjection(Perspective());
        }
+       sky_prog.SetProjection(Perspective());
        sprite_prog.SetProjection(Ortho());
 }
 
@@ -228,6 +243,7 @@ SkyBoxShader &Viewport::SkyBoxProgram() noexcept {
        if (active_prog != SKY_BOX) {
                sky_prog.Activate();
                DisableBlending();
+               DisableBackfaceCulling();
                EqualDepthTest();
                active_prog = SKY_BOX;
        }
@@ -247,6 +263,7 @@ BlendedSprite &Viewport::SpriteProgram() noexcept {
 void Viewport::WorldPosition(const glm::mat4 &t) noexcept {
        cam.View(glm::inverse(t));
        chunk_prog.SetView(cam.View());
+       sky_prog.SetView(cam.View());
 }
 
 }