Removed unused parameter warnings.

closes #488

spine-c/.cproject

@@ -37,17 +37,22 @@
 									<listOptionValue builtIn="false" value="&quot;${workspace_loc:/spine-c/include}&quot;"/>
 								</option>
 								<option id="gnu.cpp.compiler.option.other.other.1185307642" name="Other flags" superClass="gnu.cpp.compiler.option.other.other" value="-c -fmessage-length=0" valueType="string"/>
+								<option id="gnu.cpp.compiler.option.dialect.std.341459864" name="Language standard" superClass="gnu.cpp.compiler.option.dialect.std" value="gnu.cpp.compiler.dialect.default" valueType="enumerated"/>
+								<option id="gnu.cpp.compiler.option.warnings.extrawarn.764877222" name="Extra warnings (-Wextra)" superClass="gnu.cpp.compiler.option.warnings.extrawarn" value="false" valueType="boolean"/>
+								<option id="gnu.cpp.compiler.option.warnings.pedantic.1836643567" name="Pedantic (-pedantic)" superClass="gnu.cpp.compiler.option.warnings.pedantic" value="false" valueType="boolean"/>
 								<inputType id="cdt.managedbuild.tool.gnu.cpp.compiler.input.564303729" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.input"/>
 							</tool>
 							<tool id="cdt.managedbuild.tool.gnu.c.compiler.mingw.exe.debug.613741168" name="GCC C Compiler" superClass="cdt.managedbuild.tool.gnu.c.compiler.mingw.exe.debug">
-								<option defaultValue="gnu.c.optimization.level.none" id="gnu.c.compiler.mingw.exe.debug.option.optimization.level.71579608" name="Optimization Level" superClass="gnu.c.compiler.mingw.exe.debug.option.optimization.level" valueType="enumerated"/>
+								<option defaultValue="gnu.c.optimization.level.none" id="gnu.c.compiler.mingw.exe.debug.option.optimization.level.71579608" name="Optimization Level" superClass="gnu.c.compiler.mingw.exe.debug.option.optimization.level" value="gnu.c.optimization.level.none" valueType="enumerated"/>
 								<option id="gnu.c.compiler.mingw.exe.debug.option.debugging.level.2068803714" name="Debug Level" superClass="gnu.c.compiler.mingw.exe.debug.option.debugging.level" value="gnu.c.debugging.level.max" valueType="enumerated"/>
 								<option id="gnu.c.compiler.option.include.paths.2051361089" name="Include paths (-I)" superClass="gnu.c.compiler.option.include.paths" valueType="includePath">
 									<listOptionValue builtIn="false" value="&quot;${workspace_loc:/spine-c/src}&quot;"/>
 									<listOptionValue builtIn="false" value="&quot;${workspace_loc:/spine-c/include}&quot;"/>
 								</option>
-								<option id="gnu.c.compiler.option.misc.other.1829716988" name="Other flags" superClass="gnu.c.compiler.option.misc.other" value="-c -fmessage-length=0 -std=c89 -pedantic" valueType="string"/>
+								<option id="gnu.c.compiler.option.misc.other.1829716988" name="Other flags" superClass="gnu.c.compiler.option.misc.other" value="-c -fmessage-length=0 -std=c89" valueType="string"/>
 								<option id="gnu.c.compiler.option.dialect.std.849400720" name="Language standard" superClass="gnu.c.compiler.option.dialect.std" value="gnu.c.compiler.dialect.default" valueType="enumerated"/>
+								<option id="gnu.c.compiler.option.warnings.extrawarn.343205818" name="Extra warnings (-Wextra)" superClass="gnu.c.compiler.option.warnings.extrawarn" value="true" valueType="boolean"/>
+								<option id="gnu.c.compiler.option.warnings.pedantic.2135414314" name="Pedantic (-pedantic)" superClass="gnu.c.compiler.option.warnings.pedantic" value="true" valueType="boolean"/>
 								<inputType id="cdt.managedbuild.tool.gnu.c.compiler.input.603555848" superClass="cdt.managedbuild.tool.gnu.c.compiler.input"/>
 							</tool>
 							<tool id="cdt.managedbuild.tool.gnu.c.linker.mingw.exe.debug.1030541714" name="MinGW C Linker" superClass="cdt.managedbuild.tool.gnu.c.linker.mingw.exe.debug"/>

spine-c/include/spine/extension.h

@@ -77,6 +77,8 @@
 #define ACOS(A) (float)acos(A)
 #endif
 
+#define UNUSED(x) (void)(x)
+
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>

spine-c/src/spine/Animation.c

@@ -294,6 +294,10 @@ void _spRotateTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton,
 	while (amount < -180)
 		amount += 360;
 	bone->rotation += amount * alpha;
+
+	UNUSED(lastTime);
+	UNUSED(firedEvents);
+	UNUSED(eventsCount);
 }
 
 spRotateTimeline* spRotateTimeline_create (int framesCount) {
@@ -342,6 +346,10 @@ void _spTranslateTimeline_apply (const spTimeline* timeline, spSkeleton* skeleto
 			* alpha;
 	bone->y += (bone->data->y + prevFrameY + (self->frames[frameIndex + TRANSLATE_FRAME_Y] - prevFrameY) * percent - bone->y)
 			* alpha;
+
+	UNUSED(lastTime);
+	UNUSED(firedEvents);
+	UNUSED(eventsCount);
 }
 
 spTranslateTimeline* spTranslateTimeline_create (int framesCount) {
@@ -386,6 +394,10 @@ void _spScaleTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, f
 			- bone->scaleX) * alpha;
 	bone->scaleY += (bone->data->scaleY * (prevFrameY + (self->frames[frameIndex + TRANSLATE_FRAME_Y] - prevFrameY) * percent)
 			- bone->scaleY) * alpha;
+
+	UNUSED(lastTime);
+	UNUSED(firedEvents);
+	UNUSED(eventsCount);
 }
 
 spScaleTimeline* spScaleTimeline_create (int framesCount) {
@@ -449,6 +461,10 @@ void _spColorTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, f
 		slot->b = b;
 		slot->a = a;
 	}
+
+	UNUSED(lastTime);
+	UNUSED(firedEvents);
+	UNUSED(eventsCount);
 }
 
 spColorTimeline* spColorTimeline_create (int framesCount) {
@@ -485,6 +501,10 @@ void _spAttachmentTimeline_apply (const spTimeline* timeline, spSkeleton* skelet
 	attachmentName = self->attachmentNames[frameIndex];
 	spSlot_setAttachment(skeleton->slots[self->slotIndex],
 			attachmentName ? spSkeleton_getAttachmentForSlotIndex(skeleton, self->slotIndex, attachmentName) : 0);
+
+	UNUSED(firedEvents);
+	UNUSED(eventsCount);
+	UNUSED(alpha);
 }
 
 void _spAttachmentTimeline_dispose (spTimeline* timeline) {
@@ -608,6 +628,11 @@ void _spDrawOrderTimeline_apply (const spTimeline* timeline, spSkeleton* skeleto
 		for (i = 0; i < self->slotsCount; ++i)
 			skeleton->drawOrder[i] = skeleton->slots[drawOrderToSetupIndex[i]];
 	}
+
+	UNUSED(lastTime);
+	UNUSED(firedEvents);
+	UNUSED(eventsCount);
+	UNUSED(alpha);
 }
 
 void _spDrawOrderTimeline_dispose (spTimeline* timeline) {
@@ -704,6 +729,10 @@ void _spFFDTimeline_apply (const spTimeline* timeline, spSkeleton* skeleton, flo
 			slot->attachmentVertices[i] = prev + (nextVertices[i] - prev) * percent;
 		}
 	}
+
+	UNUSED(lastTime);
+	UNUSED(firedEvents);
+	UNUSED(eventsCount);
 }
 
 void _spFFDTimeline_dispose (spTimeline* timeline) {
@@ -776,6 +805,10 @@ void _spIkConstraintTimeline_apply (const spTimeline* timeline, spSkeleton* skel
 	mix = prevFrameMix + (self->frames[frameIndex + IKCONSTRAINT_FRAME_MIX] - prevFrameMix) * percent;
 	ikConstraint->mix += (mix - ikConstraint->mix) * alpha;
 	ikConstraint->bendDirection = (int)self->frames[frameIndex + IKCONSTRAINT_PREV_FRAME_BEND_DIRECTION];
+
+	UNUSED(lastTime);
+	UNUSED(firedEvents);
+	UNUSED(eventsCount);
 }
 
 spIkConstraintTimeline* spIkConstraintTimeline_create (int framesCount) {

spine-c/src/spine/AtlasAttachmentLoader.c

@@ -104,6 +104,8 @@ spAttachment* _spAtlasAttachmentLoader_createAttachment (spAttachmentLoader* loa
 		_spAttachmentLoader_setUnknownTypeError(loader, type);
 		return 0;
 	}
+
+	UNUSED(skin);
 }
 
 spAtlasAttachmentLoader* spAtlasAttachmentLoader_create (spAtlas* atlas) {