// i recolor some vehicles like this: //

switch(FEAT_ROADVEHS, SELF, wrx_yellow, [
    STORE_TEMP(PALETTE_CC_YELLOW, 0x100),
    ]) {
    default:  spriteset_wrx;
    }

///////////////////////////////////////////////////////////////////////////////////////

// can i also do like this???:

 random_switch (FEAT_ROADVEHS, SELF, switch_color_vehs_a, bitmask(TRIGGER_VEHICLE_UNLOAD_ALL, TRIGGER_VEHICLE_ANY_LOAD, TRIGGER_ALL_NEEDED)) {
 	/* re-randomize when vehicle has been emptied and then received new cargo */
 	4: palette_2cc(COLOUR_WHITE, COLOUR_WHITE);
 	3: palette_2cc(COLOUR_WHITE, COLOUR_DARK_BLUE);
 	3: palette_2cc(COLOUR_DARK_BLUE, COLOUR_WHITE);
 	3: palette_2cc(COLOUR_DARK_BLUE, COLOUR_DARK_BLUE);
 	3: palette_2cc(COLOUR_DARK_GREEN, COLOUR_WHITE);
 	3: palette_2cc(COLOUR_WHITE, COLOUR_DARK_GREEN);
 	3: palette_2cc(COLOUR_DARK_GREEN, COLOUR_DARK_GREEN);
 	3: palette_2cc(COLOUR_DARK_GREEN, COLOUR_DARK_BLUE);
 	3: palette_2cc(COLOUR_DARK_BLUE, COLOUR_DARK_GREEN);
 	1: palette_2cc(COLOUR_RED, COLOUR_RED);
 	2: palette_2cc(COLOUR_RED, COLOUR_DARK_GREEN);
 	2: palette_2cc(COLOUR_DARK_GREEN, COLOUR_RED);
 	2: palette_2cc(COLOUR_DARK_BLUE, COLOUR_RED);
 	2: palette_2cc(COLOUR_RED, COLOUR_DARK_BLUE);
 	2: palette_2cc(COLOUR_RED, COLOUR_WHITE);
 	2: palette_2cc(COLOUR_WHITE, COLOUR_RED);
 }

switch(FEAT_ROADVEHS, SELF, switch_w_l_c_vehs_a, [   // Can i
    STORE_TEMP(switch_color_vehs_a, 0x100),
    ]) {
    default:  spritegroup_w_l_c_vehs_aa;
    }

 random_switch (FEAT_ROADVEHS, SELF, switch_w_l_c_vehs, bitmask(TRIGGER_VEHICLE_UNLOAD_ALL, TRIGGER_VEHICLE_ANY_LOAD, TRIGGER_ALL_NEEDED)) {
 	/* re-randomize when vehicle has been emptied and then received new cargo */
 	independent: switch_color_vehs_a; // decision independent from color switch
 	2: switch_w_l_c_vehs_a;
 	1: switch_w_l_c_vehs_b;
 	1: switch_w_l_c_vehs_c;
 	1: switch_w_l_c_vehs_d;
 	1: switch_w_l_c_vehs_e;
 	1: switch_w_l_c_vehs_f;
 	1: switch_w_l_c_vehs_g;
 	1: switch_w_l_c_vehs_h;
 	1: switch_w_l_c_vehs_i;
 }