114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
// -----------------------------------------------------------------------------
|
|
// scene framework
|
|
// - rlyeh, public domain
|
|
|
|
// camera
|
|
|
|
typedef struct camera_t {
|
|
mat44 view, proj;
|
|
vec3 position, updir, lookdir;
|
|
float yaw, pitch, roll; // mirror of (x,y) lookdir in deg;
|
|
float speed, fov; // fov in deg(45)
|
|
|
|
float move_friction, move_damping;
|
|
float look_friction, look_damping;
|
|
vec3 last_look; vec3 last_move; // used for friction and damping
|
|
bool damping;
|
|
|
|
bool orthographic; // 0 perspective, 1 orthographic; when ortho: dimetric[if pitch == -30º], isometric[if pitch == 35.264º]
|
|
float distance; // distance to pivot, when orbiting
|
|
// vec2 polarity = { +1,-1 }; // @todo
|
|
// vec2 sensitivity = { 2,2 }; // @todo
|
|
} camera_t;
|
|
|
|
API camera_t camera();
|
|
API void camera_teleport(camera_t *cam, vec3 pos);
|
|
API void camera_moveby(camera_t *cam, vec3 inc);
|
|
API void camera_fov(camera_t *cam, float fov);
|
|
API void camera_fps(camera_t *cam, float yaw, float pitch);
|
|
API void camera_fps2(camera_t *cam, float yaw, float pitch, float roll);
|
|
API void camera_orbit(camera_t *cam, float yaw, float pitch, float inc_distance);
|
|
API void camera_lookat(camera_t *cam, vec3 target);
|
|
API void camera_enable(camera_t *cam);
|
|
API camera_t *camera_get_active();
|
|
|
|
API int ui_camera(camera_t *cam);
|
|
API void ddraw_camera(camera_t *cam);
|
|
|
|
// object
|
|
|
|
typedef struct object_t {
|
|
uint64_t renderbucket;
|
|
mat44 transform;
|
|
quat rot;
|
|
vec3 sca, pos, euler, pivot;
|
|
array(texture_t) textures;
|
|
model_t model;
|
|
anim_t anim;
|
|
float anim_speed;
|
|
aabb bounds;
|
|
unsigned billboard; // [0..7] x(4),y(2),z(1) masks
|
|
bool disable_frustum_check;
|
|
bool cast_shadows;
|
|
|
|
// internal states
|
|
array(handle) old_texture_ids;
|
|
array(texture_t) old_textures;
|
|
float distance;
|
|
bool skip_draw;
|
|
bool light_cached; //< used by scene to update light data
|
|
} object_t;
|
|
|
|
API object_t object();
|
|
API void object_rotate(object_t *obj, vec3 euler);
|
|
API void object_pivot(object_t *obj, vec3 euler);
|
|
API void object_teleport(object_t *obj, vec3 pos);
|
|
API void object_move(object_t *obj, vec3 inc);
|
|
API vec3 object_position(object_t *obj);
|
|
API void object_scale(object_t *obj, vec3 sca);
|
|
//
|
|
API void object_model(object_t *obj, model_t model);
|
|
API void object_anim(object_t *obj, anim_t anim, float speed);
|
|
API void object_diffuse(object_t *obj, texture_t tex);
|
|
API void object_diffuse_push(object_t *obj, texture_t tex);
|
|
API void object_diffuse_pop(object_t *obj);
|
|
API void object_billboard(object_t *obj, unsigned mode);
|
|
|
|
// object_pose(transform); // @todo
|
|
|
|
// scene
|
|
|
|
enum SCENE_FLAGS {
|
|
SCENE_WIREFRAME = 1,
|
|
SCENE_CULLFACE = 2,
|
|
SCENE_BACKGROUND = 4,
|
|
SCENE_FOREGROUND = 8,
|
|
SCENE_UPDATE_SH_COEF = 16,
|
|
SCENE_CAST_SHADOWS = 32,
|
|
};
|
|
|
|
typedef struct scene_t {
|
|
array(object_t) objs;
|
|
array(light_t) lights;
|
|
|
|
// special objects below:
|
|
skybox_t skybox;
|
|
int u_coefficients_sh;
|
|
shadowmap_t shadowmap;
|
|
} scene_t;
|
|
|
|
API scene_t* scene_push();
|
|
API void scene_pop();
|
|
API scene_t* scene_get_active();
|
|
|
|
API int scene_merge(const char *source);
|
|
API void scene_render(int flags);
|
|
|
|
API object_t* scene_spawn();
|
|
API unsigned scene_count();
|
|
API object_t* scene_index(unsigned index);
|
|
|
|
API light_t* scene_spawn_light();
|
|
API unsigned scene_count_light();
|
|
API light_t* scene_index_light(unsigned index);
|