From 717bdd92239a65923d9a96b5e59bef325e46ac6c Mon Sep 17 00:00:00 2001
From: Joost Peters
Date: Thu, 5 Jun 2003 21:46:59 +0000
Subject: fixed mouse cursor/transparency

svn-id: r8336
---
 sky/mouse.cpp | 13 +++++++++++++
 sky/mouse.h   |  3 ++-
 2 files changed, 15 insertions(+), 1 deletion(-)

(limited to 'sky')

diff --git a/sky/mouse.cpp b/sky/mouse.cpp
index 57b2edfff1..3be31a37dd 100644
--- a/sky/mouse.cpp
+++ b/sky/mouse.cpp
@@ -168,6 +168,18 @@ void SkyMouse::drawNewMouse() {
 	//drawMouse();
 }
 
+//original sky uses different colors for transparency than our backends do,
+//so we simply swap our "transparent"-white with another one.
+void SkyMouse::fixMouseTransparency(byte *mouseData) {
+	for (int i = 0; i < (_mouseWidth * _mouseHeight); i++) {
+		if (mouseData[i] == 255)
+			mouseData[i] = 242;
+		else
+			if (mouseData[i] == 0)
+				mouseData[i] = 255;
+	}
+}
+
 void SkyMouse::spriteMouse(uint16 frameNum, uint8 mouseX, uint8 mouseY) {
 	SkyState::_systemVars.mouseFlag |= MF_IN_INT;
 	_mouseType2 = frameNum;
@@ -182,6 +194,7 @@ void SkyMouse::spriteMouse(uint16 frameNum, uint8 mouseX, uint8 mouseY) {
 
 	//_system->set_mouse_cursor(_mouseData2, _mouseWidth, _mouseHeight, mouseX, mouseY);
 	// there's something wrong about the mouse's hotspot. using 0/0 works fine.
+	fixMouseTransparency(_mouseData2);
 	_system->set_mouse_cursor(_mouseData2, _mouseWidth, _mouseHeight, 0, 0);
 	if (frameNum == MOUSE_BLANK) _system->show_mouse(false);
 	else _system->show_mouse(true);
diff --git a/sky/mouse.h b/sky/mouse.h
index 842d939324..5de4dc7dab 100644
--- a/sky/mouse.h
+++ b/sky/mouse.h
@@ -54,7 +54,8 @@ protected:
 
 	void pointerEngine(void);
 	void buttonEngine1(void);
-
+	void fixMouseTransparency(byte *mouseData);
+	
 	uint16 _eMouseB;
 	uint16 _bMouseB;
 	
-- 
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