lg_scene.h

/*
 *      LibGame - Copyright (C) Emmanuel Thomas-Maurin 2011-2025
 *      All rights reserved
 */
 
#ifndef LG_SCENE_H
#define LG_SCENE_H
 
/* LG_Scene is defined in lg_scene_graph.h */
/*
typedef struct {
        int             id;     // Set to -1 on error=
        LG_Camera       *cam1;
        LG_Light        light1;
        Rec2Df          landscape_rec;
        LG_SceneNode    *root;
        LG_SceneNode    *grid;
        LG_SceneNode    *xyz_arrows;
} LG_Scene;
*/
 
/* Standard arrow colors = RGB, alternate colors = purple, green, cyan */
#define STANDARD_ARROW_COLORS   FALSE
 
/*
 * NATOS stands for Name And TOS (Transl/Orientation/Scaling)
 */
typedef struct {
        const char      *name;
        float           x_t;
        float           y_t;
        float           z_t;
        double          x_q;
        double          y_q;
        double          z_q;
        double          w_q;
        float           x_s;
        float           y_s;
        float           z_s;
} LG_Mesh_NATOS;
 
/* Scene description */
typedef struct {
        int                     id;
        LG_Camera               *cam1;
        LG_Light                light1;
        Rec2Df                  landscape_rec;
        LG_SceneNode            *root;
        LG_SceneNode            *grid;
        LG_SceneNode            *xyz_arrows;
        LG_SceneNode            *first_obj_node;
        LG_Mesh_NATOS           *mesh_NATOS_list;
} LG_Scene_Des;
 
LG_Scene                        lg_scene_new(int, LG_Camera *, LG_Light, Rec2Df, uint16_t);
 
void                            lg_scene_free(LG_Scene *);
 
LG_SceneNode                    *lg_scenenode_new_and_set(int, LG_SceneNode *, const char *, LG_LoadMesh_Flags, vec3_t, LG_Quat, vec3_t);
 
LG_SceneNode                    *lg_meshNATOS_array_to_scenenodes(LG_SceneNode *, LG_LoadMesh_Flags, LG_Mesh_NATOS *, int);
 
mat4_t                          lg_TOS_to_matrix(vec3_t, LG_Quat, vec3_t);
 
void                            lg_meshNATOS_array_info(LG_Mesh_NATOS *, int);
 
#define transl_v3(x, y, z)      vec3(x, y, z)
 
#define scaling_v3(x, y, z)     vec3(x, y, z)
 
#endif /* LG_SCENE_H */