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3d_objects.h
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3d_objects.h
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/*!
* \file
* \ingroup display
* \brief Displays the 3d objects
*/
#ifndef __OBJ_3D_H__
#define __OBJ_3D_H__
#include "e3d_object.h"
#include "e3d.h"
#ifdef __cplusplus
extern "C" {
#endif
extern int use_3d_alpha_blend; // do 3d models use alpha blending?
/*!
* \ingroup display_3d
* \brief Optimized display or a selected 3d object list
*
* \return nothing.
*/
void draw_3d_objects(unsigned int object_type);
/*!
* \ingroup load_3d
* \brief Adds a 3d object with a specific ID to the map
*
* Adds a 3d object to the map, at position \a id in the objects_list
*
* \param id The object ID
* \param file_name The file name of the 3d object
* \param x_pos The x position
* \param y_pos The y position
* \param z_pos The z position
* \param x_rot The x rotation
* \param y_rot The y rotation
* \param z_rot The z rotation
* \param self_lit Whether the object is self-lit (enables/disables lightning)
* \param blended Whether the object is blended (enables/disables blending - GL_ONE,GL_ONE)
* \param r Red (0<=r<=1)
* \param g Green (0<=g<=1)
* \param b Blue (0<=b<=1)
* \param dynamic Whether the object is dynamic, or static on the map
* \retval int Returns -1 on error or the position in the objects_list on succes.
* \callgraph
*/
int add_e3d_at_id (int id, const char *file_name, float x_pos, float y_pos, float z_pos, float x_rot, float y_rot, float z_rot, char self_lit, char blended, float r, float g, float b, unsigned int dynamic);
/*!
* \ingroup load_3d
* \brief Adds a 3d object to the map.
*
* It is usually called from load_map. It adds a 3d object to the given position.
*
* \param file_name The file name of the 3d object
* \param x_pos The x position
* \param y_pos The y position
* \param z_pos The z position
* \param x_rot The x rotation
* \param y_rot The y rotation
* \param z_rot The z rotation
* \param self_lit Whether the object is self-lit (enables/disables lightning)
* \param blended Whether the object is blended (enables/disables blending - GL_ONE,GL_ONE)
* \param r Red (0<=r<=1)
* \param g Green (0<=g<=1)
* \param b Blue (0<=b<=1)
* \param dynamic Whether the object is dynamic, or static on the map
* \retval int Returns -1 on error or the position in the objects_list on succes.
*
* \sa add_e3d_at_id
*
* \callgraph
*/
int add_e3d (const char * file_name, float x_pos, float y_pos, float z_pos, float x_rot, float y_rot, float z_rot, char self_lit, char blended, float r, float g, float b, unsigned int dynamic);
/*!
* \ingroup display_3d
* \brief Displays the 3d objects within the range
*
* Cycles through the objects_list, and displays the 3d object if it's within a visible distance (dist_x^2+dist_y^2<=29*29)
*
* \callgraph
*/
void display_objects(void);
void display_ground_objects(void);
void display_alpha_objects(void);
/*!
* \ingroup display_3d
* \brief Displays the blended 3d objects within range
*
* Cycles through the blended objects list and displays the blended 3d objects within visible range.
*
* \callgraph
*/
void display_blended_objects(void);
/*!
* \ingroup display_3d
* \brief Clears the clouds cache
*
* The function clears the clouds cache, which leads to the clouds map will have to be recalculated for the given object.
* It is called every 10 seconds.
*
* \callgraph
*/
void clear_clouds_cache(void);
/*!
* \ingroup display_3d
* \brief Destroys the 3d object at position i in the objects list
*
* Destroyes the 3d object on position i in the objects_list - frees the memory and sets the objects_list[i]=NULL.
*
* \param i The position in the objects_list
*
* \callgraph
*/
void destroy_3d_object(int i);
/*!
* \ingroup display_3d
* \brief Destroys all 3d objects currently in use
*
* Destroys all 3d objects in the objects list, freeing the associated memory and clearing the list.
*/
void destroy_all_3d_objects(void);
void destroy_e3d(e3d_object *e3d_id);
/*!
* \ingroup load_3d
* \brief Show or hide one or more 3D map objects
*
* Show or hide 3D map objects.
* This routine is usually under server control to allow dynamically enabling or disabling seeing objects
*
* \param display whether the objects are to be displayed or not
* \param ptr pointer to an array of object ID's to be affected
* \param len the length in bytes of the array
* \callgraph
*/
void set_3d_object (Uint8 display, const void *ptr, int len);
/*!
* \ingroup load_3d
* \brief Set the state for one or more 3D map objects
*
* Set the sate for 3D map objects.
* This routine is usually under server control to allow dynamically setting a state for an object, this is for future expansion
*
* \param state The new state for the object or objects
* \param ptr pointer to an array of object ID's to be affected
* \param len the length in bytes of the array
* \callgraph
*/
void state_3d_object (Uint8 state, const void *ptr, int len);
/*!
* \ingroup load_3d
* \brief Clears the placeholders
*
* Clears the placeholders. Used to avoid the ghost object bug
*
*/
void clear_objects_list_placeholders(void);
/*!
* \ingroup load_3d
* \brief Increments the number of placeholders
*
* Increments the number of placeholders. Used to avoid the ghost object bug
*
*/
void inc_objects_list_placeholders(void);
#ifdef NEW_SOUND
/*!
* \ingroup load_3d
* \brief Searches for a 3d object at a location
*
* It searches for a 3d object at the specified location
*
* \param x_pos The x position to search for
* \param y_pos The y position to search for
* \retval char Returns the object's filename if found, "" otherwise.
*
* \sa add_e3d_at_id
*
* \callgraph
*/
char * get_3dobject_at_location(float x_pos, float y_pos);
#endif // NEW_SOUND
/*!
* \ingroup display_3d
* \brief Draw a specific 3d object
*
* Draw a specific 3d object, with optinal enabled lightning and textures.
*
* \param object_id The object to draw
* \param material_index The material part of the object to draw
* \param use_lightning Should lightning be used (normals, colors and material properties)
* \param use_textures Should default texturing be used
* \param use_extra_textures Should extra texturing be used (e.g. clouds)
*
* \callgraph
*/
void draw_3d_object_detail(object3d * object_id, Uint32 material_index, Uint32 use_lightning,
Uint32 use_textures, Uint32 use_extra_textures);
/*!
* \ingroup display_3d
* \brief Disables the buffer arrays.
*
* Unlocks compiled vertex arrays, sets VBO to zero and clears current used 3d object.
*
* \callgraph
*/
void disable_buffer_arrays(void);
#ifdef __cplusplus
} // extern "C"
#endif
#endif