feat: removed grid

src/camera_controller.c

@@ -1,4 +1,5 @@
 #include "camera_controller.h"
+#include "core/camera_node.h"
 #include "utils/mirror.h"
 
 START_REFLECT(CameraController);
@@ -18,10 +19,11 @@ SceneNode *CreateCameraController(Transformable target) {
     CameraController *self = new(CameraController);
     *self = (CameraController){
         .transform = tc_null(Transformable),
-        .rotation_speed = 5.f,
+        .rotation_speed = 2.f,
         .max_speed_time = 4.f,
         .target = target,
-        .time_rotated = 0.f
+        .time_rotated = 0.f,
+        .camera = NULL,
     };
     SceneNode *node = CreateSceneNode(CameraController_as_SceneNodeEntity(self));
     return node;
@@ -34,6 +36,9 @@ void DestroyCameraController(CameraController *self) {
 void CameraControllerEnterTree(CameraController *self) {
     self->transform = TC_CAST(self->node->parent->entity, Transformable);
     self->global = self->transform.tc->get_global_transform(self->transform.data);
+    SceneNode *camera_node = SceneNodeGetChildByTypeid(self->node->parent, GET_TYPEID(CameraNode), true);
+    self->camera = camera_node->entity.data;
+    self->camera->fov = 100;
 }
 
 void CameraControllerExitTree(CameraController *self) {}
@@ -49,11 +54,10 @@ void CameraControllerTick(CameraController *self, double delta) {
     // ... and maximum frame step size
     float const step = self->rotation_speed * time_mul * delta;
     if(angle > 0.f)
-        target.rotation = QuaternionSlerp(current.rotation, target.rotation, fminf(fminf(step, angle) / angle, 0.99f));
+        target.rotation = QuaternionSlerp(current.rotation, target.rotation, step);
     if(step > angle && self->time_rotated > delta)
-        self->time_rotated -= 3.f * delta;
-    else if(step > angle)
-        self->time_rotated = 0.f;
-    self->time_rotated += delta;
+        self->time_rotated -= delta;
+    else
+        self->time_rotated += delta;
     self->transform.tc->set_global_transform(self->transform.data, target);
 }

src/camera_controller.h

@@ -14,6 +14,7 @@ typedef struct CameraController {
     float max_speed_time;
     Transformable target;
     float time_rotated;
+    CameraNode *camera;
 } CameraController;
 
 extern SceneNode *CreateCameraController(Transformable target);

src/city_generator.c

@@ -0,0 +1,45 @@
+#include "city_generator.h"
+#include "core/mesh_render_entity.h"
+#include "core/transform_node.h"
+
+static struct {
+    size_t x, y;
+} const CITY_SIZE = {20, 20};
+
+#define MODELS_LENGTH 4
+static ModelResource models[MODELS_LENGTH] = {
+    ResourceEmpty(Model),
+    ResourceEmpty(Model),
+    ResourceEmpty(Model),
+    ResourceEmpty(Model)
+};
+
+static void Internal_LoadModelsIfRequired() {
+    for(size_t i = 0; i < MODELS_LENGTH; ++i)
+        if(models[i].handle == NULL && GetModelResource(TextFormat("building_%c", 'a' + i), &models[i]))
+            LoadResource(models[i].handle);
+}
+
+static SceneNode *Internal_CreateBuilding(size_t x, size_t y) {
+    size_t building_index = (3 * (x + y + GetRandomValue(0, 50))) % MODELS_LENGTH; // semi-random number based on the x,y coordinate
+    SceneNode *mesh_render_node = CreateMeshRenderEntity(TextFormat("building_%c", 'a' + building_index));
+    SceneNode *transform_node = CreateTransformNode();
+    SceneNodeAddChild(transform_node, mesh_render_node);
+    Transformable transform = TC_CAST(transform_node->entity, Transformable);
+    Transform local = transform.tc->get_transform(transform.data);
+    local.translation.x = (float)(x * 40);
+    local.translation.z = (float)(y * 40);
+    transform.tc->set_transform(transform.data, local);
+    return transform_node;
+}
+
+SceneNode *GenerateCity() {
+    Internal_LoadModelsIfRequired();
+        SceneNode *root = CreateTransformNode();
+    for(size_t x = 0; x < CITY_SIZE.x; ++x) {
+        for(size_t y = 0; y < CITY_SIZE.y; ++y) {
+            SceneNodeAddChild(root, Internal_CreateBuilding(x, y));
+        }
+    }
+    return root;
+}

src/city_generator.h

@@ -0,0 +1,8 @@
+#ifndef CITY_GENERATOR_H
+#define CITY_GENERATOR_H
+
+#include "core/scene.h"
+
+extern SceneNode *GenerateCity();
+
+#endif // !CITY_GENERATOR_H

src/core/camera_node.c

@@ -20,6 +20,11 @@ impl_SceneNodeEntity_for(CameraNode,
 
 SceneNode *CreateCameraNode() {
     CameraNode *self = new(CameraNode);
+    *self = (CameraNode){
+        .fov = 60,
+        .node = NULL,
+        .transform = tc_null(Transformable)
+    };
     return CreateSceneNode(CameraNode_as_SceneNodeEntity(self));
 }
 
@@ -51,7 +56,7 @@ Camera3D CameraNodeGetCamera(CameraNode *self) {
     Vector3 forward = MATRIX_FORWARD(mat);
     // construct a new camera at the global transform location and facing the forward vector
     return (Camera3D){
-        .fovy = 90,
+        .fovy = self->fov,
         .position = global_transform.translation,
         .projection = CAMERA_PERSPECTIVE,
         .target = Vector3Add(global_transform.translation, forward),

src/core/camera_node.h

@@ -10,6 +10,7 @@
 typedef struct CameraNode {
     SceneNode *node;
     Transformable transform;
+    float fov;
 } CameraNode;
 
 //! Instantiate new camera node

src/core/render.c

@@ -54,7 +54,6 @@ void RenderNextFrame() {
         BeginMode3D(CameraNodeGetCamera(camera));
         list_foreach(Renderable *,object, &g_render_objects)
             object->tc->draw(object->data);
-        DrawGrid(500, 1.f); // TODO Remove this (or make it a scene node entity)
         EndMode3D();
     }
     DrawFPS(20, 20);

src/core/resources.c

@@ -132,9 +132,9 @@ bool GetModelResource(char const *path, ModelResource *out) {
     ResourceContainer *container = hash_map_get_as(ResourceContainer, &g_resource_map, &path);
     *out = ResourceEmpty(Model);
     // assert some assumptions about the found resource
-    ASSERT_RETURN(container != NULL, false, "GetTextureResource: Resource %s not in index.", path);
-    ASSERT_RETURN(container->type == RESOURCE_MODEL, false, "GetTextureResource: Resource %s is not a Texture.", path);
-    ++container->use_counter;
+    ASSERT_RETURN(container != NULL, false, "GetModelResource: Resource %s not in index.", path);
+    ASSERT_RETURN(container->type == RESOURCE_MODEL, false, "GetModelResource: Resource %s is not a Texture.", path);
+    ASSERT_RETURN(strcmp(container->name, path) == 0, false, "GetModelResource: Resource %s was loaded for path %s", container->name, path);
     *out = (ModelResource) {
         .handle = container,
         .resource = &container->model
@@ -174,16 +174,20 @@ bool IsResourceLoaded(ResourceHandle handle) {
 
 void LoadResource(ResourceHandle handle) {
     ASSERT_RETURN(handle != NULL,, "LoadResource: Resource handle invalid");
-    g_load_functions[handle->type](handle);
-    handle->is_loaded = true;
+    if(!handle->is_loaded) {
+        g_load_functions[handle->type](handle);
+        handle->is_loaded = true;
+    }
     ++handle->use_counter;
 }
 
 void ReleaseResource(ResourceHandle handle) {
     ASSERT_RETURN(handle != NULL,, "ReleaseResource: Resource handle invalid");
     ASSERT_RETURN_WARN(handle->is_loaded,, "ReleaseResource: Resource %s is not loaded.", handle->path);
-    g_unload_functions[handle->type](handle);
-    handle->is_loaded = false;
+    if(handle->use_counter == 1) {
+        g_unload_functions[handle->type](handle);
+        handle->is_loaded = false;
+    }
     --handle->use_counter;
 }
 

src/core/scene.c

@@ -170,8 +170,23 @@ SceneNode *SceneNodeGetChildByTypeclass(SceneNode *self, char const *typeclass,
         SceneNodeEntity entity = (*child)->entity;
         if(mirror_get_function(entity.data, entity.mirror, typeclass))
             return *child;
-        if(recurse)
-            SceneNodeGetChildByTypeclass(*child, typeclass, recurse);
+        if(recurse) {
+            SceneNode *recursed = SceneNodeGetChildByTypeclass(*child, typeclass, recurse);
+            if(recursed != NULL) return recursed;
+        }
+    }
+    return NULL;
+}
+
+SceneNode *SceneNodeGetChildByTypeid(SceneNode *self, typeid id, bool recurse) {
+    list_foreach(SceneNode **,child, &self->children) {
+        SceneNodeEntity entity = (*child)->entity;
+        if(entity.mirror->get_typeid() == id)
+            return *child;
+        if(recurse) {
+            SceneNode *recursed = SceneNodeGetChildByTypeid(*child, id, recurse);
+            if(recursed != NULL) return recursed;
+        }
     }
     return NULL;
 }

src/core/scene.h

@@ -41,10 +41,12 @@ extern void SceneNodeRemoveChild(SceneNode *self, SceneNode *child);
 extern void SceneNodeAttachEntity(SceneNode *self, SceneNodeEntity entity);
 //! Detach an entity from a scene node
 extern SceneNodeEntity SceneNodeDetachEntity(SceneNode *self);
-//! Returns the first child node that implements a specific typeclass.
+//! Returns the first child node with an entity that implements a specific typeclass.
 //! Optionally recurses through the entire branch
 extern SceneNode *SceneNodeGetChildByTypeclass(SceneNode *self, char const *typeclass, bool recurse);
-
+//! Returns the first child node with an entity that matches the given typeid.
+//! Optionally recurses through the entire branch.
+extern SceneNode *SceneNodeGetChildByTypeid(SceneNode *self, typeid id, bool recurse);
 //! Instantiate a new scene with a root node.
 extern Scene *CreateScene(SceneNode *root);
 //! Destroy a node and it's scene tree.

src/main.c

@@ -1,6 +1,7 @@
 #include "raylib.h"
 #include "player_controller.h"
 #include "camera_controller.h"
+#include "city_generator.h"
 #include "core/input.h"
 #include "core/camera_node.h"
 #include "core/engine_global.h"
@@ -48,6 +49,7 @@ Scene *CreateInitialScene() {
     SceneNodeAddChild(root, model);
     SceneNodeAddChild(root, camera_scene);
     SceneNodeAddChild(camera_scene, CreateCameraController(TC_CAST(model->entity, Transformable)));
+    SceneNodeAddChild(root, GenerateCity());
     return CreateScene(root);
 }
 
@@ -56,7 +58,10 @@ void ConfigureInput() {
     AddAction("pitch_down", INPUT_LISTENER_KEY, 0, KEY_W);
     AddAction("roll_left", INPUT_LISTENER_KEY, 0, KEY_A);
     AddAction("roll_right", INPUT_LISTENER_KEY, 0, KEY_D);
-    AddAction("stop", INPUT_LISTENER_KEY, 0, KEY_SPACE);
+    AddAction("yaw_right", INPUT_LISTENER_KEY, 0, KEY_E);
+    AddAction("yaw_left", INPUT_LISTENER_KEY, 0, KEY_Q);
+    AddAction("brake", INPUT_LISTENER_KEY, 0, KEY_SPACE);
+    AddAction("boost", INPUT_LISTENER_KEY, 0, KEY_LEFT_SHIFT);
 }
 
 int main() {

src/player_controller.c

@@ -1,7 +1,8 @@
 #include "player_controller.h"
 #include "core/render.h"
-#include "utils/debug.h"
 #include "core/input.h"
+#include "utils/typeclass_helpers.h"
+#include "utils/debug.h"
 #include "raylib.h"
 
 START_REFLECT(PlayerController);
@@ -19,10 +20,25 @@ impl_SceneNodeEntity_for(PlayerController,
     PlayerControllerTick
 )
 
+static float const PLAYER_BASE_SPEED = 10.f;
+static float const PLAYER_BASE_ACCELERATION = 10.f;
+static float const PLAYER_BOOST_SPEED = 30.f;
+static float const PLAYER_BOOST_ACCELERATION = 60.f;
+static float const PLAYER_BRAKE_SPEED = 0.5f;
+static float const PLAYER_BRAKE_DECELERATION = 10.f;
+static float const PLAYER_FALL_SPEED = 10.f;
+static float const PLAYER_FALL_ACCELERATION = 10.f;
+
 SceneNode *CreatePlayerController() {
     PlayerController *self = new(PlayerController);
-    self->rotation = self->fly_input = Vector2Zero();
-    self->stopped = false;
+    *self = (PlayerController) {
+        .node = NULL,
+        .transform = tc_null(Transformable),
+        .rotation = Vector3Zero(),
+        .fly_input = Vector3Zero(),
+        .speed = 10.f,
+        .brake = false
+    };
     return CreateSceneNode(PlayerController_as_SceneNodeEntity(self));
 }
 
@@ -33,32 +49,42 @@ void DestroyPlayerController(PlayerController *self) {
 void PlayerControllerEnterTree(PlayerController *self) {
     self->transform = TC_CAST(self->node->parent->entity, Transformable);
     DisableCursor();
-    AddListener("pitch_up", ButtonInputListener(self, PlayerControllerUpInput));
-    AddListener("pitch_down", ButtonInputListener(self, PlayerControllerDownInput));
-    AddListener("roll_left", ButtonInputListener(self, PlayerControllerLeftInput));
-    AddListener("roll_right", ButtonInputListener(self, PlayerControllerRightInput));
-    AddListener("stop", ButtonInputListener(self, PlayerControllerStopInput));
+    AddListener("pitch_up", ButtonInputListener(self, PlayerControllerInputPitchUp));
+    AddListener("pitch_down", ButtonInputListener(self, PlayerControllerInputPitchDown));
+    AddListener("roll_left", ButtonInputListener(self, PlayerControllerInputRollLeft));
+    AddListener("roll_right", ButtonInputListener(self, PlayerControllerInputRollRight));
+    AddListener("yaw_left", ButtonInputListener(self, PlayerControllerInputYawLeft));
+    AddListener("yaw_right", ButtonInputListener(self, PlayerControllerInputYawRight));
+    AddListener("brake", ButtonInputListener(self, PlayerControllerInputBrake));
+    AddListener("boost", ButtonInputListener(self, PlayerControllerInputBoost));
 }
 
 void PlayerControllerExitTree(PlayerController *self) {
     RemoveAllListeners(self);
 }
 
+static
+float MoveTowards(float from, float to, float delta) {
+    if(from == to) return to;
+    float const diff = to - from;
+    float const sign = signbit(diff) ? -1.f : 1.f;
+    return from + sign * fminf(delta, fabsf(diff));
+}
+
 //! angular acceleration limited to local X and Z axes
 static
 void PlayerControllerTickAngularAcceleration(PlayerController *self, double delta) {
-    Vector2 diff = Vector2Subtract(self->fly_input, self->rotation);
-    float const length = Vector2Length(diff);
-    if(length != 0.f)
-        self->rotation = Vector2Add(self->rotation, Vector2Scale(diff, 1.0f/length * fminf(4.f * delta, length)));
+    self->rotation.x = MoveTowards(self->rotation.x, self->fly_input.x, delta * 4.f);
+    self->rotation.y = MoveTowards(self->rotation.y, self->fly_input.y, delta * 4.f);
+    self->rotation.z = MoveTowards(self->rotation.z, self->fly_input.z, delta * 4.f);
 }
 
 //! linear acceleration limited to the local Z axis
 static
 void PlayerControllerTickLinearAcceleration(PlayerController *self, double delta) {
-    float const target = self->stopped ? 10.f : (self->rotation.y == 0.f ? 30.f : 20.f);
-    float const speed_diff = target - self->speed;
-    self->speed = self->speed + copysignf(fminf(fabsf(speed_diff), 10.f * delta), speed_diff);
+    float const target = self->brake ? PLAYER_BRAKE_SPEED : (self->boost ? PLAYER_BOOST_SPEED : PLAYER_BASE_SPEED);
+    float const acceleration = target < self->speed ? PLAYER_BRAKE_DECELERATION : (self->boost ? PLAYER_BOOST_ACCELERATION : PLAYER_BASE_ACCELERATION);
+    self->speed = MoveTowards(self->speed, target, delta * acceleration);
 }
 
 //! Update linear transform based on velocities
@@ -66,9 +92,11 @@ static
 void PlayerControllerTickTransform(PlayerController *self, double delta) {
     Transform global_transform = self->transform.tc->get_global_transform(self->transform.data);
     Matrix global_matrix = TransformGetMatrix(global_transform);
+    float const rotate_speed = 1.f - 0.9f * self->speed / PLAYER_BOOST_SPEED;
     global_transform.translation = Vector3Add(global_transform.translation, Vector3Scale(MATRIX_FORWARD(global_matrix), self->speed * delta));
-    global_transform.rotation = QuaternionMultiply(QuaternionFromAxisAngle(MATRIX_FORWARD(global_matrix), self->rotation.x * 2.f * delta), global_transform.rotation);
-    global_transform.rotation = QuaternionMultiply(QuaternionFromAxisAngle(MATRIX_RIGHT(global_matrix), self->rotation.y * 2.5f * delta), global_transform.rotation);
+    global_transform.rotation = QuaternionMultiply(QuaternionFromAxisAngle(MATRIX_FORWARD(global_matrix), self->rotation.x * 1.25f * delta), global_transform.rotation);
+    global_transform.rotation = QuaternionMultiply(QuaternionFromAxisAngle(MATRIX_RIGHT(global_matrix), self->rotation.y * rotate_speed * 3.75f * delta), global_transform.rotation);
+    global_transform.rotation = QuaternionMultiply(QuaternionFromAxisAngle(MATRIX_UP(global_matrix), self->rotation.z * rotate_speed * 1.f * delta), global_transform.rotation);
     self->transform.tc->set_global_transform(self->transform.data, global_transform);
 }
 
@@ -78,22 +106,34 @@ void PlayerControllerTick(PlayerController *self, double delta) {
     PlayerControllerTickTransform(self, delta);
 }
 
-void PlayerControllerLeftInput(PlayerController *self, bool value) {
+void PlayerControllerInputRollLeft(PlayerController *self, bool value) {
     self->fly_input.x += value ? -1 : +1;
 }
 
-void PlayerControllerRightInput(PlayerController *self, bool value) {
+void PlayerControllerInputRollRight(PlayerController *self, bool value) {
     self->fly_input.x += value ? +1 : -1;
 }
 
-void PlayerControllerUpInput(PlayerController *self, bool value) {
+void PlayerControllerInputPitchUp(PlayerController *self, bool value) {
     self->fly_input.y += value ? -1 : +1;
 }
 
-void PlayerControllerDownInput(PlayerController *self, bool value) {
+void PlayerControllerInputPitchDown(PlayerController *self, bool value) {
     self->fly_input.y += value ? +1 : -1;
 }
 
-void PlayerControllerStopInput(PlayerController *self, bool value) {
-    self->stopped = value;
+void PlayerControllerInputYawRight(PlayerController *self, bool value) {
+    self->fly_input.z += value ? -1 : +1;
+}
+
+void PlayerControllerInputYawLeft(PlayerController *self, bool value) {
+    self->fly_input.z += value ? +1 : -1;
+}
+
+void PlayerControllerInputBrake(PlayerController *self, bool value) {
+    self->brake = value;
+}
+
+void PlayerControllerInputBoost(PlayerController *self, bool value) {
+    self->boost = value;
 }

src/player_controller.h

@@ -12,10 +12,11 @@
 typedef struct PlayerController {
     SceneNode *node;
     Transformable transform;
-    Vector2 fly_input;
-    Vector2 rotation;
+    Vector3 fly_input;
+    Vector3 rotation;
     float speed;
-    bool stopped;
+    bool brake;
+    bool boost;
 } PlayerController;
 
 SceneNode *CreatePlayerController();
@@ -25,11 +26,14 @@ extern void PlayerControllerEnterTree(PlayerController *self);
 extern void PlayerControllerExitTree(PlayerController *self);
 extern void PlayerControllerTick(PlayerController *self, double delta);
 
-extern void PlayerControllerLeftInput(PlayerController *self, bool value);
-extern void PlayerControllerRightInput(PlayerController *self, bool value);
-extern void PlayerControllerUpInput(PlayerController *self, bool value);
-extern void PlayerControllerDownInput(PlayerController *self, bool value);
-extern void PlayerControllerStopInput(PlayerController *self, bool value);
+extern void PlayerControllerInputRollLeft(PlayerController *self, bool value);
+extern void PlayerControllerInputRollRight(PlayerController *self, bool value);
+extern void PlayerControllerInputPitchUp(PlayerController *self, bool value);
+extern void PlayerControllerInputPitchDown(PlayerController *self, bool value);
+extern void PlayerControllerInputYawRight(PlayerController *self, bool value);
+extern void PlayerControllerInputYawLeft(PlayerController *self, bool value);
+extern void PlayerControllerInputBrake(PlayerController *self, bool value);
+extern void PlayerControllerInputBoost(PlayerController *self, bool value);
 
 DECL_REFLECT(PlayerController);
 decl_typeclass_impl(SceneNodeEntity, PlayerController);

src/utils

@@ -1 +1 @@
-Subproject commit faf0463e3791ee97dfc370282ecad4cd3b4ca475
+Subproject commit bb201d5085cfb2e54ebad9a0bf22347a5251f7a2