| ... |
... |
@@ -317,6 +317,7 @@ |
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317
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317
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#define Flow_Up 0x08U
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318
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318
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#define Overshoot_Top 0x10U
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319
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319
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#define Overshoot_Bottom 0x20U
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320
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+#define Dropout 0x40U
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320
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321
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321
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322
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322
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323
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/* States of each line, arc, and profile */
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| ... |
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@@ -2447,7 +2448,7 @@ |
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2447
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2448
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Draw_Sweep( RAS_ARG )
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2448
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2449
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{
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2449
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2450
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Int min_Y, max_Y, dropouts;
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2450
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- Int y, y_change, y_height;
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2451
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+ Int y, y_turn;
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2451
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2452
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2452
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2453
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PProfile *Q, P, P_Left, P_Right;
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2453
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2454
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| ... |
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@@ -2465,12 +2466,9 @@ |
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2465
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2466
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2466
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2467
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ras.Proc_Sweep_Init( RAS_VARS min_Y, max_Y );
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2467
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2468
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2468
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- /* let's go, iterating through y_turns */
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2469
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+ /* let's go */
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2469
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2470
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2470
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- y = min_Y;
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2471
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- y_height = min_Y;
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2472
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-
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2473
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- while ( ++ras.maxBuff < ras.sizeBuff )
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2471
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+ for ( y = min_Y; y <= max_Y; )
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2474
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2472
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{
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2475
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2473
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/* check waiting list for new profile activations */
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2476
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2474
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| ... |
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@@ -2478,8 +2476,7 @@ |
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2478
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2476
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while ( *Q )
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2479
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2477
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{
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2480
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2478
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P = *Q;
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2481
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- P->start -= y_height;
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2482
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- if ( P->start == 0 )
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2479
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+ if ( P->start == y )
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2483
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2480
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{
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2484
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2481
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*Q = P->link; /* remove */
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2485
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2482
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| ... |
... |
@@ -2492,8 +2489,7 @@ |
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2492
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2489
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Q = &P->link;
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2493
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2490
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}
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2494
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2491
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2495
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- y_change = (Int)*ras.maxBuff;
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2496
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- y_height = y_change - y;
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2492
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+ y_turn = (Int)*++ras.maxBuff;
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2497
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2493
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|
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2498
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2494
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do
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2499
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2495
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{
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| ... |
... |
@@ -2530,7 +2526,7 @@ |
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2530
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2526
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P_Right->X = x2;
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2531
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2527
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2532
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2528
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/* mark profile for drop-out processing */
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2533
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- P_Left->start = -1;
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2529
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+ P_Left->flags |= Dropout;
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2534
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2530
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dropouts++;
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2535
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2531
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}
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2536
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2532
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}
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| ... |
... |
@@ -2554,7 +2550,7 @@ |
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2554
|
2550
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Increment( &draw_left );
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|
2555
|
2551
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Increment( &draw_right );
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2556
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2552
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}
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|
2557
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- while ( ++y < y_change );
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2553
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+ while ( ++y < y_turn );
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2558
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2554
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}
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2559
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2555
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2560
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2556
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return SUCCESS;
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| ... |
... |
@@ -2566,9 +2562,9 @@ |
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2566
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2562
|
|
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2567
|
2563
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while ( P_Left && P_Right )
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2568
|
2564
|
{
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2569
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- if ( P_Left->start )
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|
2565
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+ if ( P_Left->flags & Dropout )
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2570
|
2566
|
{
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|
2571
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- P_Left->start = 0;
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|
2567
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+ P_Left->flags &= ~Dropout;
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2572
|
2568
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#if 0
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|
2573
|
2569
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dropouts--; /* -- this is useful when debugging only */
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2574
|
2570
|
#endif
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