STR_NEWGRF_ERROR_MISSING_SPRITES                                :{WHITE}The currently used base graphics set is missing a number of sprites.{}Please update the base graphics set.

#include "gui.h"

/** The type of action 5 type. */

enum Action5BlockType {

	A5BLOCK_FIXED,                ///< Only allow replacing a whole block of sprites. (TTDP compatible)

	A5BLOCK_ALLOW_OFFSET,         ///< Allow replacing any subset by specifiing an offset.

	A5BLOCK_INVALID,              ///< unknown/not-implemented type

};

/** Information about a single action 5 type. */

struct Action5Type {

	Action5BlockType block_type;  ///< How is this Action5 type processed?

	SpriteID sprite_base;         ///< Load the sprites starting from this sprite.

	uint16 min_sprites;           ///< If the Action5 contains less sprites, the whole block will be ignored.

	uint16 max_sprites;           ///< If the Action5 contains more sprites, only the first max_sprites sprites will be used.

	const char *name;             ///< Name for error messages.

};

/** The information about action 5 types. */

static const Action5Type _action5_types[] = {

	/* Note: min_sprites should not be changed. Therefore these constants are directly here and not in sprites.h */

	/* 0x00 */ { A5BLOCK_INVALID,      0,                            0, 0,                                           "Type 0x00"             },

	/* 0x01 */ { A5BLOCK_INVALID,      0,                            0, 0,                                           "Type 0x01"             },

	/* 0x02 */ { A5BLOCK_INVALID,      0,                            0, 0,                                           "Type 0x02"             },

	/* 0x03 */ { A5BLOCK_INVALID,      0,                            0, 0,                                           "Type 0x03"             },

	/* 0x04 */ { A5BLOCK_FIXED,        SPR_SIGNALS_BASE,            48, PRESIGNAL_SEMAPHORE_AND_PBS_SPRITE_COUNT,    "Signal graphics"       },

	/* 0x05 */ { A5BLOCK_FIXED,        SPR_ELRAIL_BASE,             48, ELRAIL_SPRITE_COUNT,                         "Catenary graphics"     },

	/* 0x06 */ { A5BLOCK_FIXED,        SPR_SLOPES_BASE,             74, NORMAL_AND_HALFTILE_FOUNDATION_SPRITE_COUNT, "Foundation graphics"   },

	/* 0x07 */ { A5BLOCK_INVALID,      0,                           75, 0,                                           "TTDP GUI graphics"     }, // Not used by OTTD.

	/* 0x08 */ { A5BLOCK_FIXED,        SPR_CANALS_BASE,             65, CANALS_SPRITE_COUNT,                         "Canal graphics"        },

	/* 0x09 */ { A5BLOCK_FIXED,        SPR_ONEWAY_BASE,              6, ONEWAY_SPRITE_COUNT,                         "One way road graphics" },

	/* 0x0A */ { A5BLOCK_FIXED,        SPR_2CCMAP_BASE,            256, TWOCCMAP_SPRITE_COUNT,                       "2CC colour maps"       },

	/* 0x0B */ { A5BLOCK_FIXED,        SPR_TRAMWAY_BASE,           113, TRAMWAY_SPRITE_COUNT,                        "Tramway graphics"      },

	/* 0x0C */ { A5BLOCK_INVALID,      0,                          133, 0,                                           "Snowy temperate tree"  }, // Not yet used by OTTD.

	/* 0x0D */ { A5BLOCK_FIXED,        SPR_SHORE_BASE,              16, SPR_SHORE_SPRITE_COUNT,                      "Shore graphics"        },

	/* 0x0E */ { A5BLOCK_INVALID,      0,                            0, 0,                                           "New Signals graphics"  }, // Not yet used by OTTD.

	/* 0x0F */ { A5BLOCK_FIXED,        SPR_TRACKS_FOR_SLOPES_BASE,  12, TRACKS_FOR_SLOPES_SPRITE_COUNT,              "Sloped rail track"     },

	/* 0x10 */ { A5BLOCK_FIXED,        SPR_AIRPORTX_BASE,           15, AIRPORTX_SPRITE_COUNT,                       "Airport graphics"      },

	/* 0x11 */ { A5BLOCK_FIXED,        SPR_ROADSTOP_BASE,            8, ROADSTOP_SPRITE_COUNT,                       "Road stop graphics"    },

	/* 0x12 */ { A5BLOCK_FIXED,        SPR_AQUEDUCT_BASE,            8, AQUEDUCT_SPRITE_COUNT,                       "Aqueduct graphics"     },

	/* 0x13 */ { A5BLOCK_FIXED,        SPR_AUTORAIL_BASE,           55, AUTORAIL_SPRITE_COUNT,                       "Autorail graphics"     },

	/* 0x14 */ { A5BLOCK_ALLOW_OFFSET, SPR_FLAGS_BASE,               1, FLAGS_SPRITE_COUNT,                          "Flag graphics"         },

	/* 0x15 */ { A5BLOCK_ALLOW_OFFSET, SPR_OPENTTD_BASE,             1, OPENTTD_SPRITE_COUNT,                        "OpenTTD GUI graphics"  },

	/* 0x16 */ { A5BLOCK_ALLOW_OFFSET, SPR_AIRPORT_PREVIEW_BASE,     1, SPR_AIRPORT_PREVIEW_COUNT,                   "Airport preview graphics" },

};

		/* Special not-TTDP-compatible case used in openttd.grf

		grfmsg(2, "GraphicsNew: Loading 10 missing shore sprites from extra grf.");

	if ((type >= lengthof(_action5_types)) || (_action5_types[type].block_type == A5BLOCK_INVALID)) {

	const Action5Type *action5_type = &_action5_types[type];

 * Check whether we are (obviously) missing some of the extra

 * (Action 0x05) sprites that we like to use.

 * When missing sprites are found a warning will be shown.

 */

void CheckForMissingSprites()

{

	/* Don't break out quickly, but allow to check the other

	 * sprites as well, so we can give the best information. */

	bool missing = false;

	for (uint8 i = 0; i < lengthof(_action5_types); i++) {

		const Action5Type *type = &_action5_types[i];

		if (type->block_type == A5BLOCK_INVALID) continue;

		for (uint j = 0; j < type->max_sprites; j++) {

			if (!SpriteExists(type->sprite_base + j)) {

				DEBUG(grf, 0, "%s sprites are missing", type->name);

				missing = true;

				/* No need to log more of the same. */

				break;

			}

		}

	}

	if (missing) {

		ShowErrorMessage(STR_NEWGRF_ERROR_MISSING_SPRITES, INVALID_STRING_ID, WL_CRITICAL);

	}

}

/**

void CheckForMissingSprites();

	CheckForMissingSprites();