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Add replace/add image interfaces.

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Themaister 2013-03-09 09:44:48 +01:00
parent 272ef70895
commit b4a3ce79bb
1 changed files with 17 additions and 3 deletions
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20
libretro.h
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@ -435,7 +435,7 @@ struct retro_keyboard_callback
retro_keyboard_event_t callback;
};
// Callback for RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE.
// Callbacks for RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE.
// Should be set for implementations which can swap out multiple disk images in runtime.
// If the implementation can do this automatically, it should strive to do so.
// However, there are cases where the user must manually do so.
@ -443,9 +443,10 @@ struct retro_keyboard_callback
// Overview: To swap a disk image, eject the disk image with set_eject_state(true).
// Set the disk index with set_image_index(index). Insert the disk again with set_eject_state(false).
// If ejected is true, "ejects" the virtual disk tray. When ejected, the disk image index can be set.
// If ejected is true, "ejects" the virtual disk tray.
// When ejected, the disk image index can be set.
typedef bool (*retro_set_eject_state_t)(bool ejected);
// Gets current eject state. The initial state is not ejected.
// Gets current eject state. The initial state is 'not ejected'.
typedef bool (*retro_get_eject_state_t)(void);
// Gets current disk index. First disk is index 0.
// If return value is >= get_num_images(), no disk is currently inserted.
@ -455,6 +456,16 @@ typedef unsigned (*retro_get_image_index_t)(void);
typedef bool (*retro_set_image_index_t)(unsigned index);
// Gets total number of images which are available to use.
typedef unsigned (*retro_get_num_images_t)(void);
//
// Replaces the disk image associated with index.
// Arguments to pass in info have same requirements as retro_load_game().
// Virtual disk tray must be ejected when calling this.
struct retro_game_info;
typedef bool (*retro_replace_image_index_t)(unsigned index, const struct retro_game_info *info);
// Adds a new valid index (get_num_images()) to the internal disk list.
// This will increment subsequent return values from get_num_images() by 1.
// This image index cannot be used until a disk image has been set with replace_image_index.
typedef bool (*retro_add_image_index_t)(void);
struct retro_disk_control_callback
{
@ -464,6 +475,9 @@ struct retro_disk_control_callback
retro_get_image_index_t get_image_index;
retro_set_image_index_t set_image_index;
retro_get_num_images_t get_num_images;
retro_replace_image_index_t replace_image_index;
retro_add_image_index_t add_image_index;
};
enum retro_pixel_format