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authorD G Turner2018-08-09 21:35:57 +0100
committerD G Turner2018-08-09 21:35:57 +0100
commit237fb44ec0de88d2e6b9a3faf8efe58575bf09a6 (patch)
tree6bdd78c36b91e495ba4625ccb762ecfaf1f19c2a /engines/startrek
parent8c4b448d31ca10d7cb46a238fe9882c0531f01e0 (diff)
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STARTREK: Reorder Math Code to Simplify and Fix Compiler Warnings.
Diffstat (limited to 'engines/startrek')
-rw-r--r--engines/startrek/math.cpp24
1 files changed, 12 insertions, 12 deletions
diff --git a/engines/startrek/math.cpp b/engines/startrek/math.cpp
index 70b9ddb081..9f47309a1f 100644
--- a/engines/startrek/math.cpp
+++ b/engines/startrek/math.cpp
@@ -37,7 +37,7 @@ Fixed14 StarTrekEngine::sin(Angle angle) {
else if (i == 0x300)
return -1.0;
- float f;
+ float f = 0.0;
if (i < 0x100)
f = _sineTable.getTable()[i & 0xff];
else if (i < 0x200)
@@ -104,23 +104,23 @@ Angle StarTrekEngine::atan2(int32 deltaX, int32 deltaY) {
}
if (deltaY > deltaX) {
- if (!deltaYNegative && !deltaXNegative)
- angle = angle;
- else if (!deltaYNegative && deltaXNegative)
- angle = -angle;
+ if (deltaYNegative && deltaXNegative)
+ angle = angle - 512;
else if (deltaYNegative && !deltaXNegative)
angle = 512 - angle;
- else
- angle = angle - 512;
+ else if (!deltaYNegative && deltaXNegative)
+ angle = -angle;
+ // else if (!deltaYNegative && !deltaXNegative)
+ // angle remains the same i.e. angle = angle
} else {
- if (!deltaYNegative && !deltaXNegative)
- angle = 256 - angle;
+ if (deltaYNegative && deltaXNegative)
+ angle = -256 - angle;
else if (deltaYNegative && !deltaXNegative)
angle = 256 + angle;
- else if (deltaYNegative && deltaXNegative)
- angle = -256 - angle;
- else
+ else if (!deltaYNegative && deltaXNegative)
angle = -256 + angle;
+ else // if (!deltaYNegative && !deltaXNegative)
+ angle = 256 - angle;
}
return Angle::fromRaw(angle);