massive refactor

src/main/java/org/xfe/engine/Render.java

@@ -0,0 +1,50 @@
+package org.xfe.engine;
+
+import org.joml.Matrix4f;
+import org.joml.Vector3f;
+import org.lwjgl.opengl.GL;
+import static org.lwjgl.glfw.GLFW.*;
+import static org.lwjgl.opengl.GL11.*;
+import static org.lwjgl.opengl.GL15.*;
+import static org.lwjgl.opengl.GL20.*;
+import static org.lwjgl.opengl.GL30.*;
+
+public class Render {
+
+    private Matrix4f projection_matrix;
+    public Render() {
+        GL.createCapabilities();
+    }
+
+    public void cleanup() {
+        // Nothing to be done here yet
+    }
+
+    public void render(Window window, World world) {
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+        glfwSwapBuffers(window.getWindowHandle());
+
+        float aspect_ratio = (float) window.getWidth() / window.getHeight();
+        projection_matrix = new Matrix4f().perspective(Engine.FOV, aspect_ratio, Engine.Z_FAR, Engine.Z_NEAR);
+
+        for (Entity entity : world.entities) {
+            entity.shader.bind();
+
+            entity.shader.setUniform("projection", projection_matrix);
+//            entity.shader.setUniform("model", new Matrix4f().identity());
+//            entity.shader.setUniform("view", new Matrix4f().identity());
+//            entity.shader.setUniform("lightPos", world.lights.get(0).position);
+//            entity.shader.setUniform("light_power", world.lights.get(0).power);
+//            entity.shader.setUniform("lightColor", world.lights.get(0).color);
+//            entity.shader.setUniform("objectColor", new Vector3f(1.0f, 1.0f, 1.0f));
+//            entity.shader.setUniform("viewPos", new Vector3f(0.0f, 0.0f, 0.0f));
+
+
+            glBindVertexArray(entity.mesh.ebo_id);
+            glEnableVertexAttribArray(0);
+//            glEnableVertexAttribArray(1);
+            glDrawElements(GL_TRIANGLES, entity.mesh.vertice_indices.length, GL_UNSIGNED_INT, 0);
+        }
+    }
+}