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#include "gameCommon.h"
#include "util.h"
#include "PID.h"
#ifndef ENTITY_H
#define ENTITY_H
enum {
ENTITY_NONE = -1,
ENTITY_ANTIFA,
ENTITY_SOLDATO,
ENTITY_CAPORALE,
ENTITY_SERGENTE,
ENTITY_MARESCIALLO,
ENTITY_GENERALE,
ENTITY_MUSSOLINI,
ENTITY_GUIDED_MISSILE,
ENTITY_MISSILE
};
#define ENTITY_TYPE_COUNT 9
typedef int8_t EntityType;
typedef int16_t EntityId; // Id in world.
typedef uint32_t EntityFingerprint;
// Callbacks.
typedef void (*EntityUpdateCb)(Game * game, Entity * entity);
typedef void (*EntityDrawCb)(Game * game, Entity * entity);
// Acceleration indeed hehehe.
typedef struct EntityAcceleration {
Vector3 rotation;
float speedUp;
float speedDown;
} EntityAcceleration;
float accelerateValue(float value, float lastValue, float up, float down);
Vector3 accelerateVector3(Vector3 value, Vector3 lastValue, Vector3 up, Vector3 down);
typedef struct EntityVelocity {
Vector3 velocity;
AxisAngle angularVelocity;
Vector3 stick; // Pilot control stick.
float speed; // Somewhat general use (:
} EntityVelocity;
EntityVelocity entityVelocityIdentity();
typedef struct EntityCollisionMesh {
size_t triangleCount;
Triangle3D * triangles;
Vector3 * normals;
} EntityCollisionMesh;
typedef struct EntityCollisionModel {
size_t meshCount;
EntityCollisionMesh * meshes;
} EntityCollisionModel;
EntityCollisionModel entityCreateCollisionModel(Model model);
void entityFreeCollisionModel(EntityCollisionModel model);
// Only use if both collision models came from the same model.
void entityTransformCollisionModel(Entity * entity);
// Checks if collision model will need to be transformed.
void entityCheckTransformedCollisionModel(Entity * entity);
// This fucker hit something.
typedef struct EntityCollision {
bool hit;
EntityId fromId;
EntityFingerprint fromFingerprint;
} EntityCollision;
// Used for hanlding the soldato follower and leader thing.
typedef struct EntityFollow {
EntityId leaderId;
EntityFingerprint leaderFingerprint;
EntityId followerId;
EntityFingerprint followerFingerprint;
} EntityFollow;
// Health stuff.
#define ENTITY_MIN_HEALTH 0.0
#define ENTITY_MAX_HEALTH 1.0
// This fucker is a entity.
typedef struct Entity {
EntityId id;
EntityFingerprint fingerprint;
EntityType type;
Model * model;
float radius; // Used for quick collision detection.
EntityCollisionModel collisionModel;
EntityCollisionModel transformedCollisionModel;
// Use for checking if model been transformed indeed.
bool collisionModelTransformed;
Vector3 position;
Quaternion rotation;
Vector3 lastPosition;
Quaternion lastRotation;
EntityVelocity velocity;
EntityVelocity lastVelocity;
bool useAcceleration;
EntityAcceleration acceleration;
EntityUpdateCb updateCb;
EntityDrawCb drawCb;
EntityFollow follow;
// Health is a percent from 1.0 to 0.0.
float health;
EntityCollision collision;
// Used for whatever.
void * data;
} Entity;
typedef void (*EntityInitCb)(Entity * entity, Game * game);
typedef void (*EntityCloseCb)(Entity * entity);
// Info for each entity type.
typedef struct EntityTypeInfo {
EntityInitCb initCb;
EntityCloseCb closeCb;
EntityUpdateCb updateCb;
EntityDrawCb drawCb;
} EntityTypeInfo;
const extern EntityTypeInfo entityTypeInfo[ENTITY_TYPE_COUNT];
// Do I need a fucking comment?
Entity createEntity(EntityType type, Game * game);
void closeEntity(Entity * entity);
void setEntityRadius(Entity * entity); // Uses model to set radius;
bool checkEntityCollision(Entity * entity1, Entity * entity2);
RayCollision traceRayToEntity(Entity entity, Ray ray);
RayCollision traceRayToEntityRadius(Entity entity, Ray ray, float scale);
// Helper functions for updating, drawing...
void entityDraw(Entity * entity);
void entityUpdatePosition(Entity * entity);
void entityUpdateRotation(Entity * entity);
void entityUpdateLastValues(Entity * entity); // Should be at top of update function.
void entityJoystickControl(Entity * entity, Vector3 stick, float speed);
enum {
ENTITY_FLY_TO_POINT_PID,
ENTITY_FLY_TO_POINT_BANG_BANG
};
// Shit for fly to point.
typedef struct EntityFlyToPointInfo {
union {
PID speedPID;
struct {
float speed;
float stopAt;
} bangbang;
} controller;
uint8_t controlType;
float rotationSpeed; // 0.0 to not use.
bool applyRotation;
} EntityFlyToPointInfo;
void entityFlyToPoint(Entity * entity, Vector3 point, EntityFlyToPointInfo * info);
#endif
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