From 28e0985061e96cc96f8fb08faaa1437db09df673 Mon Sep 17 00:00:00 2001
From: Travis Howell
Date: Sun, 25 Nov 2007 03:17:48 +0000
Subject: Add stub for wizImages thickLine code.

svn-id: r29632
---
 engines/scumm/he/script_v100he.cpp | 10 ++--
 engines/scumm/he/script_v90he.cpp  | 10 ++--
 engines/scumm/he/wiz_he.cpp        | 98 ++++++++++++++++++++------------------
 engines/scumm/he/wiz_he.h          |  7 +--
 4 files changed, 65 insertions(+), 60 deletions(-)

diff --git a/engines/scumm/he/script_v100he.cpp b/engines/scumm/he/script_v100he.cpp
index 273f6c6920..87be57d56f 100644
--- a/engines/scumm/he/script_v100he.cpp
+++ b/engines/scumm/he/script_v100he.cpp
@@ -1176,8 +1176,8 @@ void ScummEngine_v100he::o100_wizImageOps() {
 		_wizParams.processFlags = 0;
 		_wizParams.remapNum = 0;
 		_wizParams.img.flags = 0;
-		_wizParams.field_184 = 0;
-		_wizParams.field_180 = 0;
+		_wizParams.lineUnk2 = 0;
+		_wizParams.lineUnk1 = 0;
 		_wizParams.spriteId = 0;
 		_wizParams.spriteGroup = 0;
 		break;
@@ -1253,9 +1253,9 @@ void ScummEngine_v100he::o100_wizImageOps() {
 		_wizParams.processMode = 8;
 		break;
 	case 54:
-		_wizParams.processFlags |= 0x100000;
-		_wizParams.field_180 = pop();
-		_wizParams.field_184 = pop();
+		_wizParams.processFlags |= kWPFThickLine;
+		_wizParams.lineUnk1 = pop();
+		_wizParams.lineUnk2 = pop();
 		break;
 	case 55:
 		_wizParams.img.flags = pop();
diff --git a/engines/scumm/he/script_v90he.cpp b/engines/scumm/he/script_v90he.cpp
index e344db21be..e4d101e2e1 100644
--- a/engines/scumm/he/script_v90he.cpp
+++ b/engines/scumm/he/script_v90he.cpp
@@ -670,8 +670,8 @@ void ScummEngine_v90he::o90_wizImageOps() {
 		_wizParams.processFlags = 0;
 		_wizParams.remapNum = 0;
 		_wizParams.img.flags = 0;
-		_wizParams.field_184 = 0;
-		_wizParams.field_180 = 0;
+		_wizParams.lineUnk2 = 0;
+		_wizParams.lineUnk1 = 0;
 		_wizParams.spriteId = 0;
 		_wizParams.spriteGroup = 0;
 		break;
@@ -763,9 +763,9 @@ void ScummEngine_v90he::o90_wizImageOps() {
 		_wizParams.dstResNum = pop();
 		break;
 	case 93: // HE99+
-		_wizParams.processFlags |= 0x100000;
-		_wizParams.field_180 = pop();
-		_wizParams.field_184 = pop();
+		_wizParams.processFlags |= kWPFThickLine;
+		_wizParams.lineUnk1 = pop();
+		_wizParams.lineUnk2 = pop();
 		break;
 	case 95: // HE99+
 		_wizParams.processMode = 13;
diff --git a/engines/scumm/he/wiz_he.cpp b/engines/scumm/he/wiz_he.cpp
index 97995fb155..e4e93232dc 100644
--- a/engines/scumm/he/wiz_he.cpp
+++ b/engines/scumm/he/wiz_he.cpp
@@ -1774,58 +1774,62 @@ void Wiz::fillWizLine(const WizParameters *params) {
 			int x2 = params->box2.right;
 			int y2 = params->box2.bottom;
 
-			int dx = x2 - x1;
-			int incx = 0;
-			if (dx > 0) {
-				incx = 1;
-			} else if (dx < 0) {
-				incx = -1;
-			}
-			int dy = y2 - y1;
-			int incy = 0;
-			if (dy > 0) {
-				incy = 1;
-			} else if (dy < 0) {
-				incy = -1;
-			}
-
-			dx = ABS(x2 - x1);
-			dy = ABS(y2 - y1);
+			if (params->processFlags & kWPFThickLine) {
+				debug(0, "Unsupported ThickLine (%d, %d)", params->lineUnk1, params->lineUnk2);
+			} else {
+				int dx = x2 - x1;
+				int incx = 0;
+				if (dx > 0) {
+					incx = 1;
+				} else if (dx < 0) {
+					incx = -1;
+				}
+				int dy = y2 - y1;
+				int incy = 0;
+				if (dy > 0) {
+					incy = 1;
+				} else if (dy < 0) {
+					incy = -1;
+				}
 
-			if (imageRect.contains(x1, y1)) {
-				*(wizd + y1 * w + x1) = color;
-			}
+				dx = ABS(x2 - x1);
+				dy = ABS(y2 - y1);
 
-			if (dx >= dy) {
-				int step1_y = (dy - dx) * 2;
-				int step2_y = dy * 2;
-				int accum_y = dy * 2 - dx;
-				while (x1 != x2) {
-					if (accum_y <= 0) {
-						accum_y += step2_y;
-					} else {
-						accum_y += step1_y;
-						y1 += incy;
-					}
-					x1 += incx;
-					if (imageRect.contains(x1, y1)) {
-						*(wizd + y1 * w + x1) = color;
-					}
+				if (imageRect.contains(x1, y1)) {
+					*(wizd + y1 * w + x1) = color;
 				}
-			} else {
-				int step1_x = (dx - dy) * 2;
-				int step2_x = dx * 2;
-				int accum_x = dx * 2 - dy;
-				while (y1 != y2) {
-					if (accum_x <= 0) {
-						accum_x += step2_x;
-					} else {
-						accum_x += step1_x;
+
+				if (dx >= dy) {
+					int step1_y = (dy - dx) * 2;
+					int step2_y = dy * 2;
+					int accum_y = dy * 2 - dx;
+					while (x1 != x2) {
+						if (accum_y <= 0) {
+							accum_y += step2_y;
+						} else {
+							accum_y += step1_y;
+							y1 += incy;
+						}
 						x1 += incx;
+						if (imageRect.contains(x1, y1)) {
+							*(wizd + y1 * w + x1) = color;
+						}
 					}
-					y1 += incy;
-					if (imageRect.contains(x1, y1)) {
-						*(wizd + y1 * w + x1) = color;
+				} else {
+					int step1_x = (dx - dy) * 2;
+					int step2_x = dx * 2;
+					int accum_x = dx * 2 - dy;
+					while (y1 != y2) {
+						if (accum_x <= 0) {
+							accum_x += step2_x;
+						} else {
+							accum_x += step1_x;
+							x1 += incx;
+						}
+						y1 += incy;
+						if (imageRect.contains(x1, y1)) {
+							*(wizd + y1 * w + x1) = color;
+						}
 					}
 				}
 			}
diff --git a/engines/scumm/he/wiz_he.h b/engines/scumm/he/wiz_he.h
index a9b60384f4..68be9d65e2 100644
--- a/engines/scumm/he/wiz_he.h
+++ b/engines/scumm/he/wiz_he.h
@@ -73,8 +73,8 @@ struct WizParameters {
 	int resDefImgW;
 	int resDefImgH;
 	int sourceImage;
-	int field_180;
-	int field_184;
+	int lineUnk1;
+	int lineUnk2;
 	uint8 remapColor[256];
 	uint8 remapIndex[256];
 	int remapNum;
@@ -132,7 +132,8 @@ enum WizProcessFlags {
 	kWPFDstResNum = 0x10000,
 	kWPFFillColor = 0x20000,
 	kWPFClipBox2 = 0x40000,
-	kWPFMaskImg = 0x80000
+	kWPFMaskImg = 0x80000,
+	kWPFThickLine = 0x100000
 };
 
 enum {
-- 
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