Removed physics for now.

archive/physics/3d/CMakeLists.txt

@@ -0,0 +1,10 @@
+# Copyright (c) 2023 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DAWN_TARGET_NAME}
+  PRIVATE
+    Ray3D.cpp
+)

archive/physics/3d/Ray3D.cpp

@@ -0,0 +1,257 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "Ray3D.hpp"
+
+using namespace Dawn;
+
+bool_t Dawn::raytestSphere(
+  struct Ray3D ray,
+  struct PhysicsSphere sphere,
+  glm::vec3 *hit,
+  glm::vec3 *normal,
+  float_t *distance
+) {
+  float_t a = glm::dot(ray.direction, ray.direction);
+  float_t b = 2.0f * glm::dot(ray.direction, ray.origin - sphere.center);
+  float_t c = glm::dot(ray.origin - sphere.center, ray.origin - sphere.center);
+  c -= sphere.radius * sphere.radius;
+
+  float_t dt = b * b - 4.0f * a * c;
+  if(dt < 0.0f) return false;
+
+  float_t t0 = (-b - sqrtf(dt)) / (a * 2.0f);
+  if(t0 < 0.0f) return false;
+
+  *hit = ray.origin + t0 * ray.direction;
+  *normal = glm::normalize(*hit - sphere.center);
+  *distance = t0;
+
+  return true;
+}
+
+bool_t Dawn::raytestTriangle(
+  struct Ray3D ray,
+  struct PhysicsTriangle triangle,
+  glm::vec3 *hitPoint,
+  glm::vec3 *hitNormal,
+  float_t *hitDistance
+) {
+  assertNotNull(hitPoint, "Ray3D::raytestTriangle: hitPoint cannot be null");
+  assertNotNull(hitNormal, "Ray3D::raytestTriangle: hitNormal cannot be null");
+  assertNotNull(hitDistance, "Ray3D::raytestTriangle: hitDistance cannot be null");
+
+  // Calculate the normal of the triangle
+  glm::vec3 e0 = triangle.v1 - triangle.v0;
+  glm::vec3 e1 = triangle.v2 - triangle.v0;
+  glm::vec3 normal = glm::normalize(glm::cross(e0, e1));
+
+  // Calculate the denominator of the ray-triangle intersection formula
+  float_t denominator = glm::dot(normal, ray.direction);
+
+  // If the denominator is zero, the ray and triangle are parallel and there is no intersection
+  if(denominator == 0) return -1;
+
+  // Calculate the distance from the ray origin to the plane of the triangle
+  float_t d = glm::dot(triangle.v0 - ray.origin, normal) / denominator;
+
+  // If the distance is negative, the intersection point is behind the ray origin and there is no intersection
+  if(d < 0) return -1;
+
+  // Calculate the intersection point
+  glm::vec3 intersectionPoint = ray.origin + d * ray.direction;
+
+  // Check if the intersection point is inside the triangle
+  glm::vec3 edge0 = triangle.v1 - triangle.v0;
+  glm::vec3 edge1 = triangle.v2 - triangle.v1;
+  glm::vec3 edge2 = triangle.v0 - triangle.v2;
+  glm::vec3 c0 = intersectionPoint - triangle.v0;
+  glm::vec3 c1 = intersectionPoint - triangle.v1;
+  glm::vec3 c2 = intersectionPoint - triangle.v2;
+  glm::vec3 n0 = glm::cross(edge0, c0);
+  glm::vec3 n1 = glm::cross(edge1, c1);
+  glm::vec3 n2 = glm::cross(edge2, c2);
+  if(glm::dot(n0, normal) >= 0 && glm::dot(n1, normal) >= 0 && glm::dot(n2, normal) >= 0) {
+    // If the intersection point is inside the triangle, set the hit point, normal and distance
+    *hitPoint = intersectionPoint;
+    *hitNormal = normal;
+    *hitDistance = d;
+    return true;
+  }
+
+  // If the intersection point is outside the triangle, there is no intersection
+  return false;
+}
+
+bool_t Dawn::raytestAABB(
+  struct Ray3D ray,
+  struct AABB3D box,
+  glm::vec3 *point,
+  glm::vec3 *normal,
+  float_t *distance
+) {
+  assertNotNull(point, "Ray3D::raytestAABB: point cannot be null");
+  assertNotNull(normal, "Ray3D::raytestAABB: normal cannot be null");
+  assertNotNull(distance, "Ray3D::raytestAABB: distance cannot be null");
+
+  // Compute the inverse direction of the ray, for numerical stability
+  glm::vec3 invDir(1.0f / ray.direction.x, 1.0f / ray.direction.y, 1.0f / ray.direction.z);
+
+  // Compute the t-values for the two intersection candidates
+  glm::vec3 tMin = (box.min - ray.origin) * invDir;
+  glm::vec3 tMax = (box.max - ray.origin) * invDir;
+
+  // Make sure tMin is less than or equal to tMax for all components
+  glm::vec3 t1 = glm::min(tMin, tMax);
+  glm::vec3 t2 = glm::max(tMin, tMax);
+  float tNear = glm::compMax(t1);
+  float tFar = glm::compMin(t2);
+
+  // If tNear is greater than or equal to tFar, there is no intersection
+  if(tNear >= tFar) return false;
+
+  // If tFar is negative, the ray is pointing away from the box
+  if(tFar < 0.0f) return false;
+
+  // Compute the hit point and normal
+  glm::vec3 hitPoint = ray.origin + tNear * ray.direction;
+
+  *point = hitPoint;
+  *distance = tNear;
+
+  // Small value to account for floating point imprecision
+  const float epsilon = 0.001f; 
+  if(std::abs(hitPoint.x - box.min.x) < epsilon) {
+    *normal = glm::vec3(-1, 0, 0);
+  } else if(std::abs(hitPoint.x - box.max.x) < epsilon) {
+    *normal = glm::vec3(1, 0, 0);
+  } else if(std::abs(hitPoint.y - box.min.y) < epsilon) {
+    *normal = glm::vec3(0, -1, 0);
+  } else if(std::abs(hitPoint.y - box.max.y) < epsilon) {
+    *normal = glm::vec3(0, 1, 0);
+  } else if(std::abs(hitPoint.z - box.min.z) < epsilon) {
+    *normal = glm::vec3(0, 0, -1);
+  } else if(std::abs(hitPoint.z - box.max.z) < epsilon) {
+    *normal = glm::vec3(0, 0, 1);
+  }
+
+  return true;
+}
+
+bool_t Dawn::raytestCube(
+  struct Ray3D ray,
+  struct AABB3D box,
+  glm::mat4 transform,
+  glm::vec3 *point,
+  glm::vec3 *normal,
+  float_t *distance
+) {
+  // Compute the inverse transformation matrix
+  glm::mat4 inverseTransform = glm::inverse(transform);
+
+  // Transform the ray into model space
+  struct Ray3D localRay;
+  localRay.origin = glm::vec3(inverseTransform * glm::vec4(ray.origin, 1.0f));
+  localRay.direction = glm::normalize(glm::vec3(inverseTransform * glm::vec4(ray.direction, 0.0f)));
+
+  // Call raytestAABB with the transformed ray and cube
+  bool_t hit = raytestAABB(localRay, box, point, normal, distance);
+  if(!hit) return false;
+
+  // Transform the hit point and normal back into world space
+  *point = glm::vec3(transform * glm::vec4(*point, 1.0f));
+  *normal = glm::normalize(glm::vec3(glm::transpose(inverseTransform) * glm::vec4(*normal, 0.0f)));
+
+  return true;
+}
+
+bool_t Dawn::raytestQuad(
+  struct Ray3D ray,
+  glm::vec2 min,
+  glm::vec2 max,
+  glm::mat4 transform,
+  glm::vec3 *point,
+  glm::vec3 *normal,
+  float_t *distance
+) {
+  assertNotNull(point, "Ray3D::raytestQuad: point cannot be null");
+  assertNotNull(normal, "Ray3D::raytestQuad: normal cannot be null");
+  assertNotNull(distance, "Ray3D::raytestQuad: distance cannot be null");
+  
+  // transform ray into local space of the quad
+  glm::mat4 inverseTransform = glm::inverse(transform);
+  glm::vec3 localRayOrigin = glm::vec3(inverseTransform * glm::vec4(ray.origin, 1.0f));
+  glm::vec3 localRayDirection = glm::vec3(inverseTransform * glm::vec4(ray.direction, 0.0f));
+
+  // perform ray-quad intersection test
+  float_t t = -localRayOrigin.z / localRayDirection.z; // intersection distance along ray
+  if(t < 0) return false; // intersection is behind the ray origin
+  glm::vec2 intersectionPoint = glm::vec2(localRayOrigin) + t * glm::vec2(localRayDirection);
+  if(
+    glm::any(glm::lessThan(intersectionPoint, min)) ||
+    glm::any(glm::greaterThan(intersectionPoint, max))
+  ) {
+    return false; // intersection is outside the quad
+  }
+  *distance = t;
+
+  // compute point and normal of intersection in world space
+  glm::vec3 localIntersectionPoint = glm::vec3(intersectionPoint, 0.0f);
+  *point = glm::vec3(transform * glm::vec4(localIntersectionPoint, 1.0f));
+  *normal = glm::normalize(glm::vec3(transform * glm::vec4(0.0f, 0.0f, 1.0f, 0.0f)));
+
+  return true; // intersection found
+}
+
+bool_t Dawn::raytestCapsule(
+  struct Ray3D ray,
+  struct PhysicsCapsule capsule,
+  glm::vec3 *point,
+  glm::vec3 *normal,
+  float_t *distance
+) {
+  // Calculate the axis of the capsule
+  glm::vec3 capsuleAxis = glm::normalize(ray.direction);
+  glm::vec3 capsuleP0 = capsule.origin;
+  glm::vec3 capsuleP1 = capsule.origin + capsule.height * capsuleAxis;
+
+  // Calculate the sphere centers and radii of the capsule end-caps
+  glm::vec3 sphereP0 = capsule.origin;
+  glm::vec3 sphereP1 = capsule.origin + capsule.height * capsuleAxis;
+  float_t sphereR = capsule.radius;
+
+  // Calculate the closest points on the capsule axis and the ray
+  glm::vec3 closestPointRay, closestPointAxis;
+  if(glm::distance(ray.origin, capsuleP0) < glm::distance(ray.origin, capsuleP1)) {
+    closestPointAxis = glm::clamp(glm::dot(ray.origin - capsuleP0, capsuleAxis), 0.0f, capsule.height) * capsuleAxis + capsuleP0;
+  } else {
+    closestPointAxis = glm::clamp(glm::dot(ray.origin - capsuleP1, -capsuleAxis), 0.0f, capsule.height) * -capsuleAxis + capsuleP1;
+  }
+
+  closestPointRay = glm::clamp(
+    glm::dot(closestPointAxis - ray.origin, ray.direction),
+    0.0f, glm::length(ray.direction)
+  ) * ray.direction + ray.origin;
+
+  // Calculate the distance between the closest points on the ray and the axis
+  glm::vec3 temp = (closestPointRay - closestPointAxis);
+  float_t distanceSquared = glm::dot(temp, temp);
+
+  // Check if the ray intersects the end-caps of the capsule
+  if(
+    raytestSphere(ray, { .center = sphereP0, .radius = sphereR }, point, normal, distance) ||
+    raytestSphere(ray, { .center = sphereP1, .radius = sphereR }, point, normal, distance)
+  ) {
+    *normal = glm::normalize(*point - sphereP0);
+    return true;
+  }
+
+  // Check if the ray intersects the cylinder part of the capsule
+  if(distanceSquared > sphereR * sphereR) return false;
+  *distance = glm::distance(ray.origin, closestPointRay);
+  *point = closestPointRay;
+  *normal = glm::normalize(*point - closestPointAxis);
+  return true;
+}

archive/physics/3d/Ray3D.hpp

@@ -0,0 +1,70 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "dawnlibs.hpp"
+#include "assert/assert.hpp"
+#include "PhysicsTriangle.hpp"
+#include "PhysicsSphere.hpp"
+#include "PhysicsCapsule.hpp"
+#include "AABB3D.hpp"
+
+namespace Dawn {
+  struct Ray3D {
+    glm::vec3 origin;
+    glm::vec3 direction;
+  };
+
+  bool_t raytestSphere(
+    struct Ray3D ray,
+    struct PhysicsSphere sphere,
+    glm::vec3 *hit,
+    glm::vec3 *normal,
+    float_t *distance
+  );
+
+  bool_t raytestTriangle(
+    struct Ray3D ray,
+    struct PhysicsTriangle triangle,
+    glm::vec3 *hitPoint,
+    glm::vec3 *hitNormal,
+    float_t *hitDistance
+  );
+
+  bool_t raytestAABB(
+    struct Ray3D ray,
+    struct AABB3D box,
+    glm::vec3 *point,
+    glm::vec3 *normal,
+    float_t *distance
+  );
+
+  bool_t raytestCube(
+    struct Ray3D ray,
+    struct AABB3D box,
+    glm::mat4 transform,
+    glm::vec3 *point,
+    glm::vec3 *normal,
+    float_t *distance
+  );
+
+  bool_t raytestQuad(
+    struct Ray3D ray,
+    glm::vec2 min,
+    glm::vec2 max,
+    glm::mat4 transform,
+    glm::vec3 *point,
+    glm::vec3 *normal,
+    float_t *distance
+  );
+
+  bool_t raytestCapsule(
+    struct Ray3D ray,
+    struct PhysicsCapsule capsule,
+    glm::vec3 *point,
+    glm::vec3 *normal,
+    float_t *distance
+  );
+}

archive/physics/CMakeLists.txt

@@ -0,0 +1,14 @@
+# Copyright (c) 2023 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DAWN_TARGET_NAME}
+  PRIVATE
+    ScenePhysicsManager.cpp
+)
+
+# Subdirs
+add_subdirectory(2d)
+add_subdirectory(3d)

src/dawn/CMakeLists.txt

@@ -25,8 +25,8 @@ add_subdirectory(game)
 add_subdirectory(games)
 add_subdirectory(input)
 add_subdirectory(locale)
-add_subdirectory(physics)
 add_subdirectory(prefab)
+add_subdirectory(physics)
 add_subdirectory(save)
 add_subdirectory(scene)
 add_subdirectory(state)

src/dawn/display/IRenderManager.hpp

@@ -71,5 +71,12 @@ namespace Dawn {
        * Perform a synchronous frame update on the render manager.
        */
       virtual void update() = 0;
+
+      /**
+       * Clean up the render manager.
+       */
+      virtual ~IRenderManager() {
+
+      }
   };
 }

src/dawn/display/ITexture.hpp

@@ -77,10 +77,10 @@ namespace Dawn {
        * @param dataFormat Data format of the texture to use.
        */
       virtual void setSize(
-        int32_t width,
-        int32_t height,
-        enum TextureFormat format,
-        enum TextureDataFormat dataFormat
+        const int32_t width,
+        const int32_t height,
+        const enum TextureFormat format,
+        const enum TextureDataFormat dataFormat
       ) = 0;
 
       /**
@@ -88,8 +88,8 @@ namespace Dawn {
        * 
        * @param color Color to fill.
        */
-      virtual void fill(struct Color) = 0;
-      virtual void fill(uint8_t) = 0;
+      virtual void fill(const struct Color) = 0;
+      virtual void fill(const uint8_t) = 0;
 
       /**
        * Returns true only when the texture has been loaded, sized and put on
@@ -106,7 +106,10 @@ namespace Dawn {
        * @param pixels Array of pixels you're trying to buffer.
        * @return The amount of bytes buffered to the texture.
        */
-      virtual void buffer(struct ColorU8 pixels[]) = 0;
-      virtual void buffer(uint8_t pixels[]) = 0;
+      virtual void buffer(const struct ColorU8 pixels[]) = 0;
+      virtual void buffer(const uint8_t pixels[]) = 0;
+
+      virtual ~ITexture() {
+      }
   };
 }

src/dawn/game/DawnGame.hpp

@@ -11,9 +11,7 @@
 #include "input/InputManager.hpp"
 #include "time/TimeManager.hpp"
 #include "input/InputBinds.hpp"
-#include "locale/LocaleManager.hpp"
 #include "save/SaveManager.hpp"
-// #include "scene/SceneItemComponentList.hpp"
 
 #define DAWN_GAME_INIT_RESULT_SUCCESS 0
 #define DAWN_GAME_UPDATE_RESULT_SUCCESS 0

src/dawn/physics/3d/Ray3D.cpp

@@ -4,254 +4,48 @@
 // https://opensource.org/licenses/MIT
 
 #include "Ray3D.hpp"
+#include "assert/assert.hpp"
 
 using namespace Dawn;
 
-bool_t Dawn::raytestSphere(
-  struct Ray3D ray,
-  struct PhysicsSphere sphere,
-  glm::vec3 *hit,
-  glm::vec3 *normal,
-  float_t *distance
-) {
-  float_t a = glm::dot(ray.direction, ray.direction);
-  float_t b = 2.0f * glm::dot(ray.direction, ray.origin - sphere.center);
-  float_t c = glm::dot(ray.origin - sphere.center, ray.origin - sphere.center);
-  c -= sphere.radius * sphere.radius;
-
-  float_t dt = b * b - 4.0f * a * c;
-  if(dt < 0.0f) return false;
-
-  float_t t0 = (-b - sqrtf(dt)) / (a * 2.0f);
-  if(t0 < 0.0f) return false;
-
-  *hit = ray.origin + t0 * ray.direction;
-  *normal = glm::normalize(*hit - sphere.center);
-  *distance = t0;
-
-  return true;
-}
-
-bool_t Dawn::raytestTriangle(
-  struct Ray3D ray,
-  struct PhysicsTriangle triangle,
-  glm::vec3 *hitPoint,
-  glm::vec3 *hitNormal,
-  float_t *hitDistance
-) {
-  assertNotNull(hitPoint, "Ray3D::raytestTriangle: hitPoint cannot be null");
-  assertNotNull(hitNormal, "Ray3D::raytestTriangle: hitNormal cannot be null");
-  assertNotNull(hitDistance, "Ray3D::raytestTriangle: hitDistance cannot be null");
-
-  // Calculate the normal of the triangle
-  glm::vec3 e0 = triangle.v1 - triangle.v0;
-  glm::vec3 e1 = triangle.v2 - triangle.v0;
-  glm::vec3 normal = glm::normalize(glm::cross(e0, e1));
-
-  // Calculate the denominator of the ray-triangle intersection formula
-  float_t denominator = glm::dot(normal, ray.direction);
-
-  // If the denominator is zero, the ray and triangle are parallel and there is no intersection
-  if(denominator == 0) return -1;
-
-  // Calculate the distance from the ray origin to the plane of the triangle
-  float_t d = glm::dot(triangle.v0 - ray.origin, normal) / denominator;
-
-  // If the distance is negative, the intersection point is behind the ray origin and there is no intersection
-  if(d < 0) return -1;
-
-  // Calculate the intersection point
-  glm::vec3 intersectionPoint = ray.origin + d * ray.direction;
-
-  // Check if the intersection point is inside the triangle
-  glm::vec3 edge0 = triangle.v1 - triangle.v0;
-  glm::vec3 edge1 = triangle.v2 - triangle.v1;
-  glm::vec3 edge2 = triangle.v0 - triangle.v2;
-  glm::vec3 c0 = intersectionPoint - triangle.v0;
-  glm::vec3 c1 = intersectionPoint - triangle.v1;
-  glm::vec3 c2 = intersectionPoint - triangle.v2;
-  glm::vec3 n0 = glm::cross(edge0, c0);
-  glm::vec3 n1 = glm::cross(edge1, c1);
-  glm::vec3 n2 = glm::cross(edge2, c2);
-  if(glm::dot(n0, normal) >= 0 && glm::dot(n1, normal) >= 0 && glm::dot(n2, normal) >= 0) {
-    // If the intersection point is inside the triangle, set the hit point, normal and distance
-    *hitPoint = intersectionPoint;
-    *hitNormal = normal;
-    *hitDistance = d;
-    return true;
-  }
-
-  // If the intersection point is outside the triangle, there is no intersection
-  return false;
-}
-
-bool_t Dawn::raytestAABB(
-  struct Ray3D ray,
-  struct AABB3D box,
-  glm::vec3 *point,
-  glm::vec3 *normal,
-  float_t *distance
-) {
-  assertNotNull(point, "Ray3D::raytestAABB: point cannot be null");
-  assertNotNull(normal, "Ray3D::raytestAABB: normal cannot be null");
-  assertNotNull(distance, "Ray3D::raytestAABB: distance cannot be null");
-
-  // Compute the inverse direction of the ray, for numerical stability
-  glm::vec3 invDir(1.0f / ray.direction.x, 1.0f / ray.direction.y, 1.0f / ray.direction.z);
-
-  // Compute the t-values for the two intersection candidates
-  glm::vec3 tMin = (box.min - ray.origin) * invDir;
-  glm::vec3 tMax = (box.max - ray.origin) * invDir;
-
-  // Make sure tMin is less than or equal to tMax for all components
-  glm::vec3 t1 = glm::min(tMin, tMax);
-  glm::vec3 t2 = glm::max(tMin, tMax);
-  float tNear = glm::compMax(t1);
-  float tFar = glm::compMin(t2);
-
-  // If tNear is greater than or equal to tFar, there is no intersection
-  if(tNear >= tFar) return false;
-
-  // If tFar is negative, the ray is pointing away from the box
-  if(tFar < 0.0f) return false;
-
-  // Compute the hit point and normal
-  glm::vec3 hitPoint = ray.origin + tNear * ray.direction;
-
-  *point = hitPoint;
-  *distance = tNear;
-
-  // Small value to account for floating point imprecision
-  const float epsilon = 0.001f; 
-  if(std::abs(hitPoint.x - box.min.x) < epsilon) {
-    *normal = glm::vec3(-1, 0, 0);
-  } else if(std::abs(hitPoint.x - box.max.x) < epsilon) {
-    *normal = glm::vec3(1, 0, 0);
-  } else if(std::abs(hitPoint.y - box.min.y) < epsilon) {
-    *normal = glm::vec3(0, -1, 0);
-  } else if(std::abs(hitPoint.y - box.max.y) < epsilon) {
-    *normal = glm::vec3(0, 1, 0);
-  } else if(std::abs(hitPoint.z - box.min.z) < epsilon) {
-    *normal = glm::vec3(0, 0, -1);
-  } else if(std::abs(hitPoint.z - box.max.z) < epsilon) {
-    *normal = glm::vec3(0, 0, 1);
-  }
-
-  return true;
-}
-
-bool_t Dawn::raytestCube(
-  struct Ray3D ray,
-  struct AABB3D box,
-  glm::mat4 transform,
-  glm::vec3 *point,
-  glm::vec3 *normal,
-  float_t *distance
-) {
-  // Compute the inverse transformation matrix
-  glm::mat4 inverseTransform = glm::inverse(transform);
-
-  // Transform the ray into model space
-  struct Ray3D localRay;
-  localRay.origin = glm::vec3(inverseTransform * glm::vec4(ray.origin, 1.0f));
-  localRay.direction = glm::normalize(glm::vec3(inverseTransform * glm::vec4(ray.direction, 0.0f)));
-
-  // Call raytestAABB with the transformed ray and cube
-  bool_t hit = raytestAABB(localRay, box, point, normal, distance);
-  if(!hit) return false;
-
-  // Transform the hit point and normal back into world space
-  *point = glm::vec3(transform * glm::vec4(*point, 1.0f));
-  *normal = glm::normalize(glm::vec3(glm::transpose(inverseTransform) * glm::vec4(*normal, 0.0f)));
-
-  return true;
-}
-
 bool_t Dawn::raytestQuad(
-  struct Ray3D ray,
-  glm::vec2 min,
-  glm::vec2 max,
-  glm::mat4 transform,
-  glm::vec3 *point,
-  glm::vec3 *normal,
-  float_t *distance
+  const struct Ray3D ray,
+  const glm::vec2 min,
+  const glm::vec2 max,
+  const glm::mat4 transform,
+  glm::vec3 &point,
+  glm::vec3 &normal,
+  float_t &distance
 ) {
-  assertNotNull(point, "Ray3D::raytestQuad: point cannot be null");
-  assertNotNull(normal, "Ray3D::raytestQuad: normal cannot be null");
-  assertNotNull(distance, "Ray3D::raytestQuad: distance cannot be null");
-  
   // transform ray into local space of the quad
   glm::mat4 inverseTransform = glm::inverse(transform);
-  glm::vec3 localRayOrigin = glm::vec3(inverseTransform * glm::vec4(ray.origin, 1.0f));
-  glm::vec3 localRayDirection = glm::vec3(inverseTransform * glm::vec4(ray.direction, 0.0f));
+  glm::vec3 localRayOrigin = glm::vec3(
+    inverseTransform * glm::vec4(ray.origin, 1.0f)
+  );
+  glm::vec3 localRayDirection = glm::vec3(
+    inverseTransform * glm::vec4(ray.direction, 0.0f)
+  );
 
   // perform ray-quad intersection test
   float_t t = -localRayOrigin.z / localRayDirection.z; // intersection distance along ray
   if(t < 0) return false; // intersection is behind the ray origin
-  glm::vec2 intersectionPoint = glm::vec2(localRayOrigin) + t * glm::vec2(localRayDirection);
+  glm::vec2 intersectionPoint = (
+    glm::vec2(localRayOrigin) + t * glm::vec2(localRayDirection)
+  );
   if(
     glm::any(glm::lessThan(intersectionPoint, min)) ||
     glm::any(glm::greaterThan(intersectionPoint, max))
   ) {
     return false; // intersection is outside the quad
   }
-  *distance = t;
+  distance = t;
 
   // compute point and normal of intersection in world space
   glm::vec3 localIntersectionPoint = glm::vec3(intersectionPoint, 0.0f);
-  *point = glm::vec3(transform * glm::vec4(localIntersectionPoint, 1.0f));
-  *normal = glm::normalize(glm::vec3(transform * glm::vec4(0.0f, 0.0f, 1.0f, 0.0f)));
+  point = glm::vec3(transform * glm::vec4(localIntersectionPoint, 1.0f));
+  normal = glm::normalize(
+    glm::vec3(transform * glm::vec4(0.0f, 0.0f, 1.0f, 0.0f))
+  );
 
   return true; // intersection found
-}
-
-bool_t Dawn::raytestCapsule(
-  struct Ray3D ray,
-  struct PhysicsCapsule capsule,
-  glm::vec3 *point,
-  glm::vec3 *normal,
-  float_t *distance
-) {
-  // Calculate the axis of the capsule
-  glm::vec3 capsuleAxis = glm::normalize(ray.direction);
-  glm::vec3 capsuleP0 = capsule.origin;
-  glm::vec3 capsuleP1 = capsule.origin + capsule.height * capsuleAxis;
-
-  // Calculate the sphere centers and radii of the capsule end-caps
-  glm::vec3 sphereP0 = capsule.origin;
-  glm::vec3 sphereP1 = capsule.origin + capsule.height * capsuleAxis;
-  float_t sphereR = capsule.radius;
-
-  // Calculate the closest points on the capsule axis and the ray
-  glm::vec3 closestPointRay, closestPointAxis;
-  if(glm::distance(ray.origin, capsuleP0) < glm::distance(ray.origin, capsuleP1)) {
-    closestPointAxis = glm::clamp(glm::dot(ray.origin - capsuleP0, capsuleAxis), 0.0f, capsule.height) * capsuleAxis + capsuleP0;
-  } else {
-    closestPointAxis = glm::clamp(glm::dot(ray.origin - capsuleP1, -capsuleAxis), 0.0f, capsule.height) * -capsuleAxis + capsuleP1;
-  }
-
-  closestPointRay = glm::clamp(
-    glm::dot(closestPointAxis - ray.origin, ray.direction),
-    0.0f, glm::length(ray.direction)
-  ) * ray.direction + ray.origin;
-
-  // Calculate the distance between the closest points on the ray and the axis
-  glm::vec3 temp = (closestPointRay - closestPointAxis);
-  float_t distanceSquared = glm::dot(temp, temp);
-
-  // Check if the ray intersects the end-caps of the capsule
-  if(
-    raytestSphere(ray, { .center = sphereP0, .radius = sphereR }, point, normal, distance) ||
-    raytestSphere(ray, { .center = sphereP1, .radius = sphereR }, point, normal, distance)
-  ) {
-    *normal = glm::normalize(*point - sphereP0);
-    return true;
-  }
-
-  // Check if the ray intersects the cylinder part of the capsule
-  if(distanceSquared > sphereR * sphereR) return false;
-  *distance = glm::distance(ray.origin, closestPointRay);
-  *point = closestPointRay;
-  *normal = glm::normalize(*point - closestPointAxis);
-  return true;
 }

src/dawn/physics/3d/Ray3D.hpp

@@ -5,11 +5,6 @@
 
 #pragma once
 #include "dawnlibs.hpp"
-#include "assert/assert.hpp"
-#include "PhysicsTriangle.hpp"
-#include "PhysicsSphere.hpp"
-#include "PhysicsCapsule.hpp"
-#include "AABB3D.hpp"
 
 namespace Dawn {
   struct Ray3D {
@@ -17,54 +12,25 @@ namespace Dawn {
     glm::vec3 direction;
   };
 
-  bool_t raytestSphere(
-    struct Ray3D ray,
-    struct PhysicsSphere sphere,
-    glm::vec3 *hit,
-    glm::vec3 *normal,
-    float_t *distance
-  );
-
-  bool_t raytestTriangle(
-    struct Ray3D ray,
-    struct PhysicsTriangle triangle,
-    glm::vec3 *hitPoint,
-    glm::vec3 *hitNormal,
-    float_t *hitDistance
-  );
-
-  bool_t raytestAABB(
-    struct Ray3D ray,
-    struct AABB3D box,
-    glm::vec3 *point,
-    glm::vec3 *normal,
-    float_t *distance
-  );
-
-  bool_t raytestCube(
-    struct Ray3D ray,
-    struct AABB3D box,
-    glm::mat4 transform,
-    glm::vec3 *point,
-    glm::vec3 *normal,
-    float_t *distance
-  );
-
+  /**
+   * Tests whether a ray intersects a quad within 3D space.
+   * 
+   * @param ray Ray to test.
+   * @param min Minimum point of the quad.
+   * @param max Maximum point of the quad.
+   * @param transform Transform of the quad.
+   * @param point Out point of intersection.
+   * @param normal Out normal of the quad at the point of intersection.
+   * @param distance Out distance from the ray origin to the intersection.
+   * @return True if the ray intersects the quad, false otherwise.
+   */
   bool_t raytestQuad(
-    struct Ray3D ray,
-    glm::vec2 min,
-    glm::vec2 max,
-    glm::mat4 transform,
-    glm::vec3 *point,
-    glm::vec3 *normal,
-    float_t *distance
-  );
-
-  bool_t raytestCapsule(
-    struct Ray3D ray,
-    struct PhysicsCapsule capsule,
-    glm::vec3 *point,
-    glm::vec3 *normal,
-    float_t *distance
+    const struct Ray3D ray,
+    const glm::vec2 min,
+    const glm::vec2 max,
+    const glm::mat4 transform,
+    glm::vec3 &point,
+    glm::vec3 &normal,
+    float_t &distance
   );
 }

src/dawn/physics/CMakeLists.txt

@@ -1,14 +1,6 @@
-# Copyright (c) 2023 Dominic Masters
-# 
-# This software is released under the MIT License.
-# https://opensource.org/licenses/MIT
-
-# Sources
-target_sources(${DAWN_TARGET_NAME}
-  PRIVATE
-    ScenePhysicsManager.cpp
-)
-
-# Subdirs
-add_subdirectory(2d)
+# Copyright (c) 2023 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
 add_subdirectory(3d)

src/dawn/prefabs/SimpleSpinningCubePrefab.hpp

@@ -10,7 +10,6 @@
 #include "scene/components/display/mesh/CubeMeshHost.hpp"
 #include "scene/components/display/material/SimpleTexturedMaterial.hpp"
 #include "scene/components/example/ExampleSpin.hpp"
-#include "scene/components/physics/3d/CubeCollider.hpp"
 
 namespace Dawn {
   class SimpleSpinningCubePrefab :
@@ -33,7 +32,6 @@ namespace Dawn {
           auto meshHost = this->addComponent<CubeMeshHost>();
           material = this->addComponent<SimpleTexturedMaterial>();
           auto spinning = this->addComponent<ExampleSpin>();
-          auto collider = this->addComponent<CubeCollider>();
         }
   };
 }

src/dawn/scene/Scene.cpp

@@ -10,10 +10,9 @@
 
 using namespace Dawn;
 
-Scene::Scene(std::weak_ptr<DawnGame> game) {
+Scene::Scene(const std::weak_ptr<DawnGame> game) {
   this->game = game;
   this->nextId = 0;
-  this->physics = new ScenePhysicsManager(this);
 }
 
 void Scene::update() {
@@ -39,8 +38,6 @@ std::shared_ptr<SceneItem> Scene::createSceneItem() {
 }
 
 Scene::~Scene() {
-  delete this->physics;
-
   // Invoke cleanup.
   auto it = this->items.begin();
   while(it != this->items.end()) {

src/dawn/scene/Scene.hpp

@@ -5,9 +5,6 @@
 
 #pragma once
 #include "asset/Asset.hpp"
-#include "display/shader/ShaderManager.hpp"
-#include "scene/debug/SceneDebugLine.hpp"
-#include "physics/ScenePhysicsManager.hpp"
 #include "state/StateEvent.hpp"
 #include "state/StateOwner.hpp"
 
@@ -19,6 +16,7 @@ namespace Dawn {
 
   typedef int32_t sceneitemid_t;
 
+  // Scene Item Forwarders
   template<class T>
   std::shared_ptr<T> _sceneForwardGetComponent(std::shared_ptr<SceneItem> item);
 
@@ -35,7 +33,6 @@ namespace Dawn {
     
     public:
       std::weak_ptr<DawnGame> game;
-      ScenePhysicsManager *physics;
       StateEvent<float_t> eventSceneUpdate;
       StateEvent<float_t> eventSceneUnpausedUpdate;
 
@@ -44,7 +41,7 @@ namespace Dawn {
        * 
        * @param game Reference to the game that this scene belongs to.
        */
-      Scene(std::weak_ptr<DawnGame> game);
+      Scene(const std::weak_ptr<DawnGame> game);
 
       /**
        * Perform a one frame synchronous tick on the current scene. This may

src/dawn/scene/SceneItem.cpp

@@ -9,12 +9,12 @@
 
 using namespace Dawn;
 
-SceneItem::SceneItem(std::weak_ptr<Scene> scene, sceneitemid_t id)  :
+SceneItem::SceneItem(const std::weak_ptr<Scene> scene, const sceneitemid_t id)  :
   transformLocal(1.0f),
-  transformWorld(1.0f)
+  transformWorld(1.0f),
+  scene(scene),
+  id(id)
 {
-  this->id = id;
-  this->scene = scene;
   this->updateLocalValuesFromLocalTransform();
 }
 
@@ -96,7 +96,6 @@ void SceneItem::updateWorldTransformFromLocalTransform() {
   }
 }
 
-
 void SceneItem::updateLocalTransformFromWorldTransform() {
   glm::mat4 parentMat(1.0f);
   auto parent = this->getParent();

src/dawn/scene/SceneItem.hpp

@@ -41,9 +41,8 @@ namespace Dawn {
       void updateChildrenTransforms();
 
     public:
-      std::weak_ptr<Scene> scene;
-      sceneitemid_t id;
-      // I have no idea if I'm keeping this
+      const std::weak_ptr<Scene> scene;
+      const sceneitemid_t id;
       StateEvent<> eventTransformUpdated;
 
       /**
@@ -53,7 +52,7 @@ namespace Dawn {
        * @param scene Weak pointer to the Scene that this SceneItem belongs to.
        * @param id Scene Item ID that the Scene assigned this SceneItem.
        */
-      SceneItem(std::weak_ptr<Scene> scene, sceneitemid_t id);
+      SceneItem(const std::weak_ptr<Scene> scene, const sceneitemid_t id);
       
       /**
        * Called by the Scene the frame after we were constructed so we can begin

src/dawn/scene/SceneItemComponent.cpp

@@ -35,10 +35,6 @@ std::shared_ptr<DawnGame> SceneItemComponent::getGame() {
   return game;
 }
 
-ScenePhysicsManager * SceneItemComponent::getPhysics() {
-  return this->getScene()->physics;
-}
-
 void SceneItemComponent::onStart() {
   
 }

src/dawn/scene/SceneItemComponent.hpp

@@ -51,13 +51,6 @@ namespace Dawn {
        */
       std::shared_ptr<DawnGame> getGame();
 
-      /**
-       * Shorthand to return the physics manager that the scene this item 
-       * belongs to, belongs to.
-       * @return The scene physics manager.
-       */
-      ScenePhysicsManager * getPhysics();
-
       /**
        * Same as init, but intended for your subclass to override.
        */

src/dawn/scene/components/CMakeLists.txt

@@ -7,6 +7,5 @@
 add_subdirectory(debug)
 add_subdirectory(display)
 add_subdirectory(example)
-add_subdirectory(physics)
 add_subdirectory(scene)
 add_subdirectory(ui)

src/dawn/scene/components/display/Camera.hpp

@@ -7,7 +7,6 @@
 #include "scene/SceneItemComponent.hpp"
 #include "display/RenderTarget.hpp"
 #include "scene/Scene.hpp"
-#include "physics/3d/Ray3D.hpp"
 
 namespace Dawn {
   enum CameraType {

src/dawn/scene/components/display/TiledSprite.hpp

@@ -4,6 +4,7 @@
 // https://opensource.org/licenses/MIT
 
 #pragma once
+#include "util/flag.hpp"
 #include "display/Tileset.hpp"
 #include "scene/components/display/mesh/QuadMeshHost.hpp"
 

src/dawn/scene/components/ui/menu/UISimpleMenu.cpp

@@ -5,6 +5,7 @@
 
 #include "UISimpleMenu.hpp"
 #include "game/DawnGame.hpp"
+#include "physics/3d/Ray3D.hpp"
 
 using namespace Dawn;
 
@@ -108,9 +109,9 @@ void UISimpleMenu::onStart() {
             ray, 
             glm::vec2(0, 0), size,
             highlight->item.lock()->getWorldTransform(),
-            &point,
-            &normal,
-            &distance
+            point,
+            normal,
+            distance
           )) continue;
 
           this->menu->menuX = item->menuX;

src/dawnopengl/display/Texture.cpp

@@ -19,7 +19,7 @@ Texture::Texture() : ITexture() {
   });
 }
 
-void Texture::bind(textureslot_t slot) {
+void Texture::bind(const textureslot_t slot) {
   assertTrue(this->id != -1, "Texture is not ready!");
   glActiveTexture(GL_TEXTURE0 + slot);
   assertNoGLError();
@@ -41,10 +41,10 @@ int32_t Texture::getHeight() {
 }
 
 void Texture::setSize(
-  int32_t width,
-  int32_t height,
-  enum TextureFormat format,
-  enum TextureDataFormat dataFormat
+  const int32_t width,
+  const int32_t height,
+  const enum TextureFormat format,
+  const enum TextureDataFormat dataFormat
 ) {
   if(this->id != -1) {
     glDeleteTextures(1, &this->id);
@@ -80,7 +80,7 @@ void Texture::fill(struct Color color) {
   memoryFree(pixels);
 }
 
-void Texture::fill(uint8_t color) {
+void Texture::fill(const uint8_t color) {
   auto pixels = memoryAllocate<uint8_t>(
     sizeof(uint8_t) * this->width * this->height
   );
@@ -151,7 +151,7 @@ void Texture::updateTextureProperties() {
   );
 }
 
-void Texture::bufferRaw(void *data) {
+void Texture::bufferRaw(const void *data) {
   assertTrue(this->isReady(), "Texture is not ready!");
 
   GLenum format;
@@ -203,7 +203,7 @@ void Texture::bufferRaw(void *data) {
   this->texturePropertiesNeedUpdating = true;
 }
 
-void Texture::buffer(struct ColorU8 pixels[]) {
+void Texture::buffer(const struct ColorU8 pixels[]) {
   assertTrue(
     this->dataFormat == TEXTURE_DATA_FORMAT_UNSIGNED_BYTE,
     "Texture data format must be unsigned byte!"
@@ -211,7 +211,7 @@ void Texture::buffer(struct ColorU8 pixels[]) {
   this->bufferRaw((void*)pixels);
 }
 
-void Texture::buffer(struct Color pixels[]) {
+void Texture::buffer(const struct Color pixels[]) {
   assertTrue(
     this->dataFormat == TEXTURE_DATA_FORMAT_FLOAT,
     "Texture data format must be float!"
@@ -223,7 +223,7 @@ void Texture::buffer(struct Color pixels[]) {
   this->bufferRaw((void*)pixels);
 }
 
-void Texture::buffer(uint8_t pixels[]) {
+void Texture::buffer(const uint8_t pixels[]) {
   assertTrue(
     this->dataFormat == TEXTURE_DATA_FORMAT_UNSIGNED_BYTE,
     "Texture data format must be unsigned byte!"

src/dawnopengl/display/Texture.hpp

@@ -21,31 +21,31 @@ namespace Dawn {
       enum TextureDataFormat dataFormat;
 
       void updateTextureProperties();
-      void bufferRaw(void *data);
+      void bufferRaw(const void *data);
 
     public:
       Texture();
       int32_t getWidth() override;
       int32_t getHeight() override;
       void setSize(
-        int32_t width,
-        int32_t height,
-        enum TextureFormat format,
-        enum TextureDataFormat dataFormat
+        const int32_t width,
+        const int32_t height,
+        const enum TextureFormat format,
+        const enum TextureDataFormat dataFormat
       ) override;
-      void fill(struct Color) override;
-      void fill(uint8_t) override;
+      void fill(const struct Color) override;
+      void fill(const uint8_t) override;
       bool_t isReady() override;
-      void buffer(struct ColorU8 pixels[]) override;
-      void buffer(struct Color pixels[]);
-      void buffer(uint8_t pixels[]) override;
+      void buffer(const struct ColorU8 pixels[]) override;
+      void buffer(const struct Color pixels[]);
+      void buffer(const uint8_t pixels[]) override;
       
       /**
        * Binds the texture to the given slot (for use by the shaders).
        * 
        * @param slot Slot to bind to.
        */
-      void bind(textureslot_t slot);
+      void bind(const textureslot_t slot);
 
       ~Texture();