036_procedure_scope.nml

grf {
    grfid: "NML\36";
    name: string(STR_REGRESSION_NAME);
    desc: string(STR_REGRESSION_DESC);
    version: 0;
    min_compatible_version: 0;
}

switch(FEAT_INDUSTRIES, PARENT, proc_call_optimisation, population) {
    0: return 0;
    return STORE_TEMP(0,0);
}

switch(FEAT_INDUSTRIES, SELF, ternary_optimisation, proc_call_optimisation() ? 1 : 0) { return 5; }

switch(FEAT_INDUSTRIES, SELF, dumb_add, a, b, a + b) { return; }

/* some computation that requires registers for intermediate values */
switch(FEAT_INDUSTRIES, PARENT, callee, a, (population+(has_church?500:1))*(num_houses-4*has_stadium)+a) {
    0..5: return a + dumb_add(5, a);
    default: return a + dumb_add(6, a);
}

switch(FEAT_INDUSTRIES, SELF, caller2, dumb_add(1,dumb_add(founder_colour2, build_date))*(water_distance+founder_colour1)*(random_bits+callee(1))*(founder_type+layout_num)*(build_type+counter)) {
    return;
}

switch(FEAT_INDUSTRIES, SELF, caller1, (founder_colour2+build_date)*dumb_add(random_bits, callee(0))*(build_type+counter)) {
    return;
}

item(FEAT_INDUSTRIES, coal_mine) {
    property {
        substitute: INDUSTRYTYPE_COAL_MINE;
        override: INDUSTRYTYPE_COAL_MINE;
    }
    graphics {
        build_prod_change: return caller1;
        control_special: return caller2;
        construction_probability: return ternary_optimisation;
    }
}