14

	/* Powered wagons, if the result is lower as 0x40 then the wagon is powered

    15

	 * @todo : interpret the rest of the result, aka "visual effects" */

    18

	/* Vehicle length, returns the amount of 1/8's the vehicle is shorter

    19

	 * only for train vehicles */

    34

	/* Refit capacity, the passed vehicle needs to have its ->cargo_type set to

    35

	 * the cargo we are refitting to, returns the new cargo capacity */

    40

	/* Called (if appropriate bit in callback mask is set) to determine whether

    41

	 * the house can be built on the specified tile. */

    42

	CBID_HOUSE_ALLOW_CONSTRUCTION   = 0x17,

    43

    46

	/* Called (if appropriate bit in callback mask is set) to determine

    47

	 * the next animation frame. */

    48

	CBID_HOUSE_ANIMATION_NEXT_FRAME = 0x1A,

    49

    50

	/* Called (if appropriate bit in callback mask is set) for periodically

    51

	 * starting or stopping the animation. */

    52

	CBID_HOUSE_ANIMATION_START_STOP = 0x1B,

    53

    54

	/* Called (if appropriate bit in callback mask is set) whenever the

    55

	 * construction state of a house changes. */

    56

	CBID_CONSTRUCTION_STATE_CHANGE  = 0x1C,

    57

    60

	/* Called (if appropriate bit in callback mask is set) to determine the

    61

	 * colour of a town building. */

    62

	CBID_BUILDING_COLOUR            = 0x1E,

    63

    64

	/* Called (if appropriate bit in callback mask is set) to decide how much

    65

	 * cargo a town building can accept. */

    66

	CBID_HOUSE_CARGO_ACCEPTANCE     = 0x1F, // not yet implemented

    67

    68

	/* Called (if appropriate bit in callback mask is set) to indicate

    69

	 * how long the current animation frame should last. */

    70

	CBID_HOUSE_ANIMATION_SPEED      = 0x20,

    71

    72

	/* Called (if appropriate bit in callback mask is set) periodically to

    73

	 * determine if a house should be destroyed. */

    74

	CBID_HOUSE_DESTRUCTION          = 0x21,

    75

    83

	/* Called (if appropriate bit in callback mask is set) to determine which

    84

	 * cargoes a town building should accept. */

    85

	CBID_HOUSE_ACCEPT_CARGO         = 0x2A, // not yet implemented

    86

    91

	/* Called (if appropriate bit in callback mask is set) to determine how much

    92

	 * cargo a town building produces. */

    93

	CBID_HOUSE_PRODUCE_CARGO        = 0x2E, // not yet implemented

    94

   101

   102

	/* Called to calculate the income of delivered cargo */

   103

	CBID_CARGO_PROFIT_CALC          = 0x39,

   104

   105

	/* Called (if appropriate bit in callback mask set) to determine whether a

   106

	 * town building can be destroyed. */

   107

	CBID_HOUSE_DENY_DESTRUCTION     = 0x143,

   108

   109

	/* Called to calculate part of a station rating */

   110

	CBID_CARGO_STATION_RATING_CALC  = 0x145,

   137

 * Callback masks for houses.

   138

 */

   139

enum HouseCallbackMask {

   140

	CBM_HOUSE_ALLOW_CONSTRUCTION  = 0,

   141

	CBM_ANIMATION_NEXT_FRAME      = 1,

   142

	CBM_ANIMATION_START_STOP      = 2,

   143

	CBM_CONSTRUCTION_STATE_CHANGE = 3,

   144

	CBM_BUILDING_COLOUR           = 4,

   145

	CBM_CARGO_ACCEPTANCE          = 5,

   146

	CBM_ANIMATION_SPEED           = 6,

   147

	CBM_HOUSE_DESTRUCTION         = 7,

   148

	CBM_HOUSE_ACCEPT_CARGO        = 8,

   149

	CBM_HOUSE_PRODUCE_CARGO       = 9,

   150

	CBM_HOUSE_DENY_DESTRUCTION    = 10,

   151

};

   152

   153

/**

   154

 * Callback masks for cargos.

   155

 */

   156

enum CargoCallbackMask {

   157

	CBM_CARGO_PROFIT_CALC         = 0,

   158

	CBM_CARGO_STATION_RATING_CALC = 1,

   159

};

   160

   161

/**