draw_fader.inc.c

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/* Darkens the whole screen by the fade's level: a POLY_F4 with subtractive
   blending (tpage 0xE1000245) */
void OVL_NAME(drawFader)(ScreenFade *task) {
    Layer *layer = GFX.funcs.getLayer(task->layerId);
    u_long *ot = layer->getOtEntry(layer, task->depth);
    POLY_F4 *poly = GFX.funcs.getPrim();
    DR_TPAGE *mode;
 
    setlen(poly, 5);
    poly->code = 0x2A;
    poly->r0 = poly->g0 = poly->b0 = task->level >> 8;
    poly->x0 = poly->x2 = 0;
    poly->x1 = poly->x3 = 320;
    poly->y0 = poly->y1 = 0;
    poly->y2 = poly->y3 = 256;
    addPrim(ot, poly);
    mode = (DR_TPAGE *)(poly + 1);
    setlen(mode, 1);
    mode->code[0] = 0xE1000245;
    addPrim(ot, mode);
    GFX.funcs.setPrim(mode + 1);
}