Added example rather low quality skybox

9 files changed, 184 insertions, 3 deletions

diff --git a/kurator/CMakeLists.txt b/kurator/CMakeLists.txt
index 75d00a4..0250b9d 100644
--- a/kurator/CMakeLists.txt
+++ b/kurator/CMakeLists.txt
@@ -1,9 +1,11 @@
 project(kurator)
 add_executable(
 	${PROJECT_NAME}
-	src/main.cpp
 	src/GameOver.cpp
+	src/main.cpp
 	src/Session.cpp
+	src/Skybox.cpp
+	src/SkyboxTest.cpp
 	src/Title.cpp
 )
 target_link_libraries(
diff --git a/kurator/resources/shaders/330/skybox.fs b/kurator/resources/shaders/330/skybox.fs
new file mode 100644
index 0000000..ccc97d4
--- /dev/null
+++ b/kurator/resources/shaders/330/skybox.fs
@@ -0,0 +1,14 @@
+#version 330
+
+in vec3 fragPosition;
+
+uniform samplerCube environmentMap;
+
+out vec4 finalColor;
+
+
+void main()
+{
+	vec3 color = texture(environmentMap, fragPosition).rgb;
+	finalColor = vec4(color, 1.0);
+}
diff --git a/kurator/resources/shaders/330/skybox.vs b/kurator/resources/shaders/330/skybox.vs
new file mode 100644
index 0000000..cfb2599
--- /dev/null
+++ b/kurator/resources/shaders/330/skybox.vs
@@ -0,0 +1,17 @@
+#version 330
+
+in vec3 vertexPosition;
+
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+out vec3 fragPosition;
+
+
+void main()
+{
+	fragPosition = vertexPosition;
+	mat4 rotView = mat4(mat3(matView));
+	vec4 clipPos = matProjection * rotView * vec4(vertexPosition, 1.0);
+	gl_Position = clipPos;
+}
diff --git a/kurator/resources/skybox.png b/kurator/resources/skybox.png
new file mode 100644
index 0000000..a351869
--- /dev/null
+++ b/kurator/resources/skybox.png
diff --git a/kurator/src/Skybox.cpp b/kurator/src/Skybox.cpp
new file mode 100644
index 0000000..036f2a7
--- /dev/null
+++ b/kurator/src/Skybox.cpp
@@ -0,0 +1,49 @@
+#include "Skybox.h"
+
+#include <string>
+
+#include <raylib.h>
+#include <rlgl.h>
+
+
+namespace kurator
+{
+
+
+Skybox::Skybox(const std::string& texture)
+{
+	Mesh cube = GenMeshCube(1.f, 1.f, 1.f);
+	model = LoadModelFromMesh(cube);
+	model.materials[0].shader = LoadShader("resources/shaders/330/skybox.vs", "resources/shaders/330/skybox.fs");
+	int value {MATERIAL_MAP_CUBEMAP};
+	SetShaderValue(
+		model.materials[0].shader,
+		GetShaderLocation(model.materials[0].shader, "environmentMap"),
+		&value,
+		SHADER_UNIFORM_INT);
+	Image image = LoadImage(texture.c_str());
+	model.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = LoadTextureCubemap(image, CUBEMAP_LAYOUT_AUTO_DETECT);
+	UnloadImage(image);
+}
+
+
+Skybox::~Skybox()
+{
+	UnloadShader(model.materials[0].shader);
+	UnloadTexture(model.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture);
+	UnloadModel(model);
+}
+
+
+void
+Skybox::draw() const
+{
+	rlDisableBackfaceCulling();
+	rlDisableDepthMask();
+	DrawModel(model, {0.f, 0.f, 0.f}, 1.0f, WHITE);
+	rlEnableBackfaceCulling();
+	rlEnableDepthMask();
+}
+
+
+}  // namespace kurator
diff --git a/kurator/src/Skybox.h b/kurator/src/Skybox.h
new file mode 100644
index 0000000..3f71837
--- /dev/null
+++ b/kurator/src/Skybox.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include <string>
+
+#include <raylib.h>
+
+
+namespace kurator
+{
+
+
+class Skybox
+{
+public:
+	explicit Skybox(const std::string& texture);
+	~Skybox();
+	void draw() const;
+private:
+	Model model;
+};
+
+
+}  // namespace kurator
diff --git a/kurator/src/SkyboxTest.cpp b/kurator/src/SkyboxTest.cpp
new file mode 100644
index 0000000..85809f4
--- /dev/null
+++ b/kurator/src/SkyboxTest.cpp
@@ -0,0 +1,47 @@
+#include "SkyboxTest.h"
+
+#include <memory>
+#include <utility>
+
+#include <raylib.h>
+
+#include "GameOver.h"
+#include "Session.h"
+
+
+namespace kurator
+{
+
+
+SkyboxTest::SkyboxTest(std::shared_ptr<Session> _session) :
+	session {std::move(_session)},
+	camera {{1.f, 1.f, 1.f}, {4.f, 1.f, 4.f}, {0.f, 1.f, 0.f}, 45.f, 0},
+	skybox {"resources/skybox.png"}
+{
+	SetCameraMode(camera, CAMERA_FIRST_PERSON);
+}
+
+
+void
+SkyboxTest::update(const float)
+{
+	UpdateCamera(&camera);
+	if (IsKeyPressed(KEY_SPACE)) {
+		auto next = std::make_shared<GameOver>(session);
+		session->set(next);
+	}
+}
+
+
+void
+SkyboxTest::draw() const
+{
+	ClearBackground(BLACK);
+	BeginMode3D(camera);
+	skybox.draw();
+	DrawGrid(10, 1.f);
+	EndMode3D();
+}
+
+
+}  // namespace kurator
diff --git a/kurator/src/SkyboxTest.h b/kurator/src/SkyboxTest.h
new file mode 100644
index 0000000..f1ec06b
--- /dev/null
+++ b/kurator/src/SkyboxTest.h
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <memory>
+
+#include <raylib.h>
+
+#include "Scene.h"
+#include "Session.h"
+#include "Skybox.h"
+
+
+namespace kurator
+{
+
+
+class SkyboxTest : public Scene
+{
+public:
+	explicit SkyboxTest(std::shared_ptr<Session> _session);
+	void update(float dt) override;
+	void draw() const override;
+private:
+	std::shared_ptr<Session> session;
+	Camera camera;
+	Skybox skybox;
+};
+
+
+}  // namespace kurator
diff --git a/kurator/src/Title.cpp b/kurator/src/Title.cpp
index 56f52a8..92d0b4d 100644
--- a/kurator/src/Title.cpp
+++ b/kurator/src/Title.cpp
@@ -5,8 +5,8 @@
 
 #include <raylib.h>
 
-#include "GameOver.h"
 #include "Session.h"
+#include "SkyboxTest.h"
 
 
 namespace kurator
@@ -23,7 +23,7 @@ void
 Title::update(const float)
 {
 	if (IsKeyPressed(KEY_SPACE)) {
-		auto next = std::make_shared<GameOver>(session);
+		auto next = std::make_shared<SkyboxTest>(session);
 		session->set(next);
 	}
 }