From 511cb7447e6ebd9a0c54c3e767eb8ea754fd5398 Mon Sep 17 00:00:00 2001
From: RichieSams
Date: Sun, 8 Sep 2013 15:12:36 -0500
Subject: ZVISION: Create method for converting image space to working window
 space

---
 engines/zvision/render_manager.cpp | 13 +++++++++++++
 engines/zvision/render_manager.h   |  9 +++++++++
 2 files changed, 22 insertions(+)

(limited to 'engines/zvision')

diff --git a/engines/zvision/render_manager.cpp b/engines/zvision/render_manager.cpp
index 3f19cae6fe..c0554dc20a 100644
--- a/engines/zvision/render_manager.cpp
+++ b/engines/zvision/render_manager.cpp
@@ -338,6 +338,19 @@ const Common::Point RenderManager::screenSpaceToImageSpace(const Common::Point &
 	return newPoint;
 }
 
+const Common::Point RenderManager::imageSpaceToWorkingWindowSpace(const Common::Point &point) {
+	Common::Point newPoint(point);
+
+	RenderTable::RenderState state = _renderTable.getRenderState();
+	if (state == RenderTable::PANORAMA) {
+		newPoint += (Common::Point(_screenCenterX, 0) - _backgroundOffset);
+	} else if (state == RenderTable::TILT) {
+		newPoint += (Common::Point(0, _screenCenterY) - _backgroundOffset);
+	}
+
+	return newPoint;
+}
+
 RenderTable *RenderManager::getRenderTable() {
 	return &_renderTable;
 }
diff --git a/engines/zvision/render_manager.h b/engines/zvision/render_manager.h
index bb673e9929..0294d6a19f 100644
--- a/engines/zvision/render_manager.h
+++ b/engines/zvision/render_manager.h
@@ -173,6 +173,15 @@ public:
 	 * @return         Point in image coordinate space
 	 */
 	const Common::Point screenSpaceToImageSpace(const Common::Point &point);
+	/**
+	 * Converts a point in image coordinate space to ***PRE-WARP*** 
+	 * working window coordinate space
+	 *
+	 * @param point    Point in image coordinate space
+	 * @return         Point in PRE-WARP working window coordinate space
+	 */
+	const Common::Point imageSpaceToWorkingWindowSpace(const Common::Point &point);
+
 
 	RenderTable *getRenderTable();
 	uint32 getCurrentBackgroundOffset();
-- 
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