Setup for day 18.

18-depth-testing/tests/bad_shader.vs

@@ -0,0 +1,10 @@
+#version 330 core
+layout (location = 0) in vec3 aPos; // the position variable has attribute position 0
+
+out vec4 vertexColor; // specify a color output to the fragment shader
+
+void main()
+// syntax error here
+    gl_Position = vec4(aPos, 1.0); // see how we directly give a vec3 to vec4's constructor
+    vertexColor = vec4(0.5, 0.0, 0.0, 1.0); // set the output variable to a dark-red color
+}

18-depth-testing/tests/config.json

@@ -0,0 +1,74 @@
+{
+  "material_test": {
+    "ambient": [0.1, 0.1, 0.1],
+    "shininess": 32.0,
+    "diffuseMap": 0,
+    "specularMap": 0
+  },
+  "lighting_test": {
+    "directional": [
+      {
+        "position": [0, 0, 0.0],
+        "direction":[-0.2, -1.0, -0.3],
+        "ambient":[0.2, 0.2, 0.2],
+        "diffuse":[0.8, 0.8, 0.8],
+        "specular":[1.0, 1.0, 1.0],
+        "constant": 0.0,
+        "linear": 0.0,
+        "quadratic": 0.0,
+        "cut_off": 0.0,
+        "outer_cut_off": 0.0
+      }
+    ],
+    "positioned": [
+      {
+        "position": [1.2, 1.0, 2.0],
+        "direction":[-0.2, -1.0, -0.3],
+        "ambient":[0.2, 0.2, 0.2],
+        "diffuse":[0.8, 0.8, 0.8],
+        "specular":[1.0, 1.0, 1.0],
+        "constant": 1.0,
+        "linear": 0.09,
+        "quadratic": 0.032,
+        "cut_off": 12.5,
+        "outer_cut_off": 17.5
+      }
+    ],
+    "spot": [
+
+    ],
+    "camera": {
+        "position":[2.2, 1.0, 2.0],
+        "direction":[0.0, 0.0, -1.0],
+        "ambient":[0.2, 0.2, 0.2],
+        "diffuse":[0.8, 0.8, 0.8],
+        "specular":[1.0, 1.0, 1.0],
+        "constant": 1.0,
+        "linear": 0.09,
+        "quadratic": 0.032,
+        "cut_off": 12.5,
+        "outer_cut_off": 17.5
+    }
+  },
+
+  "camera_test": {
+    "position": [0.0, 0.0, 3.0],
+    "front": [0.0, 0.0, -1.0],
+    "up": [0.0, 1.0, 0.0],
+    "direction": [0.0, 0.0, 0.0],
+    "movement_speed": 20.0
+  },
+  "model_test": {
+    "directory": "assets",
+    "model_path": "create.obj"
+  },
+  "thing_test": {
+    "model": "crate",
+    "position": [0.0, 0.0, 0.0],
+    "material": "crate"
+  },
+  "shader_test": {
+    "vertex_path": "shaders/16-vert.glsl",
+    "frag_path": "shaders/16-frag.glsl"
+  }
+}

18-depth-testing/tests/config_tests.cpp

@@ -0,0 +1,46 @@
+#include <fuc2/testing.hpp>
+#include "components.hpp"
+#include <fstream>
+#include "json.hpp"
+
+#include <nlohmann/json.hpp>
+using json = nlohmann::json;
+
+using namespace fuc2;
+
+/*
+ * This also tests Mesh by using Model to load them.
+ */
+namespace config_tests {
+  void test_json_components() {
+    std::ifstream f{"tests/config.json"};
+    auto j = json::parse(f);
+    auto mat = j["material_test"].get<components::Material>();
+
+    CHECK(mat.ambient.x == 0.1f, "wrong value");
+
+    auto light = j["lighting_test"].get<components::Lighting>();
+
+    auto camera = j["camera_test"].get<components::Camera>();
+
+    auto model = j["model_test"].get<components::Model>();
+
+    auto thing = j["thing_test"].get<components::Thing>();
+  }
+
+
+  void test_load_json_config() {
+    std::ifstream f{"config.json"};
+    auto j = json::parse(f);
+    auto scene = j["scene"].get<components::Scene>();
+  }
+
+  fuc2::Set TESTS{
+    .name="config",
+      .options={ .fail_fast=false },
+      .tests={
+        TEST(test_json_components),
+        TEST(test_load_json_config),
+      }
+  };
+}

18-depth-testing/tests/main.cpp

@@ -0,0 +1,42 @@
+#include <fuc2/run.hpp>
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+#include "dbc.hpp"
+
+TEST_SET(shader_tests);
+TEST_SET(model_tests);
+TEST_SET(config_tests);
+
+using namespace fuc2;
+
+int main(int argc, char* argv[]) {
+  glfwInit();
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+  glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+
+  GLFWwindow* window = glfwCreateWindow(800, 600, "LearnOpenGL", NULL, NULL);
+  if (window == NULL)
+  {
+      dbc::log("Failed to create GLFW window");
+      glfwTerminate();
+      return -1;
+  }
+  glfwMakeContextCurrent(window);
+
+  // glad: load all OpenGL function pointers
+  // ---------------------------------------
+  if(!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
+  {
+    dbc::log("Failed to initialize GLAD");
+    return -1;
+  }
+
+  std::vector<fuc2::Set> tests{
+      shader_tests::TESTS,
+      model_tests::TESTS,
+      config_tests::TESTS,
+  };
+
+  return run_tests(tests, argc, argv);
+}

18-depth-testing/tests/meson.build

@@ -0,0 +1,6 @@
+fuc2_tests = files(
+  'main.cpp',
+  'shader_tests.cpp',
+  'model_tests.cpp',
+  'config_tests.cpp',
+)

18-depth-testing/tests/model_tests.cpp

@@ -0,0 +1,42 @@
+#include <deque>
+#include <string>
+#include <fuc2/testing.hpp>
+#include "model.hpp"
+#include "shader.hpp"
+
+using namespace fuc2;
+
+/*
+ * This also tests Mesh by using Model to load them.
+ */
+namespace model_tests {
+  void test_load_textures() {
+    Shader shader{"shaders/14-vert.glsl", "shaders/14-frag.glsl"};
+
+    Model popcorn{"assets", "popcorn_model_a.glb"};
+    popcorn.draw(shader);
+
+    Model crate_glb{"assets", "crate.glb"};
+    crate_glb.draw(shader);
+
+    Model crate_obj{"assets", "crate.obj"};
+    crate_obj.draw(shader);
+  }
+
+  void test_failures() {
+    auto runner = [&]() {
+      Model bad_obj{"assets", "does_not_exist.obj"};
+    };
+
+    BLOWS_UP(runner, "should fail on missing file.");
+  }
+
+  fuc2::Set TESTS{
+    .name="models",
+      .options={ .fail_fast=false },
+      .tests={
+        TEST(test_load_textures),
+        TEST(test_failures),
+      }
+  };
+}

18-depth-testing/tests/shader_tests.cpp

@@ -0,0 +1,33 @@
+#include <deque>
+#include <string>
+#include <fuc2/testing.hpp>
+#include "shader.hpp"
+
+using namespace fuc2;
+
+namespace shader_tests {
+  void test_load_shaders() {
+    Shader shader("shaders/3.3.shader.vs", "shaders/3.3.shader.fs");
+
+    shader.use();
+
+    CHECK(shader.ID != UINT_MAX, "Shader not initialized");
+  }
+
+  void test_compile_fail() {
+    auto runner = [&]() {
+      Shader shader("tests/bad_shader.vs", "shaders/3.3.shader.fs");
+    };
+
+    BLOWS_UP(runner, "compile fail should blow up");
+  }
+
+  fuc2::Set TESTS{
+    .name="shaders",
+      .options={ .fail_fast=false },
+      .tests={
+        TEST(test_load_shaders),
+        TEST(test_compile_fail),
+      }
+  };
+}