1 files changed, 103 insertions, 35 deletions

diff --git a/src/render/MBlur.cpp b/src/render/MBlur.cpp
index 68ec1194..7b8d777e 100644
--- a/src/render/MBlur.cpp
+++ b/src/render/MBlur.cpp
@@ -11,6 +11,7 @@ bool CMBlur::ms_bJustInitialised;
 bool CMBlur::BlurOn;
 
 static RwIm2DVertex Vertex[4];
+static RwIm2DVertex Vertex2[4];
 static RwImVertexIndex Index[6] = { 0, 1, 2, 0, 2, 3 };
 
 void
@@ -103,29 +104,62 @@ CMBlur::CreateImmediateModeData(RwCamera *cam, RwRect *rect)
 	RwIm2DVertexSetV(&Vertex[3], 0.0f, 1.0f/RwCameraGetNearClipPlane(cam));
 	RwIm2DVertexSetIntRGBA(&Vertex[3], 255, 255, 255, 255);
 
+
+	RwIm2DVertexSetScreenX(&Vertex2[0], zero);
+	RwIm2DVertexSetScreenY(&Vertex2[0], zero);
+	RwIm2DVertexSetScreenZ(&Vertex2[0], RwIm2DGetNearScreenZ());
+	RwIm2DVertexSetCameraZ(&Vertex2[0], RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetRecipCameraZ(&Vertex2[0], 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetU(&Vertex2[0], 0.0f, 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetV(&Vertex2[0], 0.0f, 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetIntRGBA(&Vertex2[0], 255, 255, 255, 255);
+
+	RwIm2DVertexSetScreenX(&Vertex2[1], zero);
+	RwIm2DVertexSetScreenY(&Vertex2[1], ymax);
+	RwIm2DVertexSetScreenZ(&Vertex2[1], RwIm2DGetNearScreenZ());
+	RwIm2DVertexSetCameraZ(&Vertex2[1], RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetRecipCameraZ(&Vertex2[1], 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetU(&Vertex2[1], 0.0f, 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetV(&Vertex2[1], 1.0f, 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetIntRGBA(&Vertex2[1], 255, 255, 255, 255);
+
+	RwIm2DVertexSetScreenX(&Vertex2[2], xmax);
+	RwIm2DVertexSetScreenY(&Vertex2[2], ymax);
+	RwIm2DVertexSetScreenZ(&Vertex2[2], RwIm2DGetNearScreenZ());
+	RwIm2DVertexSetCameraZ(&Vertex2[2], RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetRecipCameraZ(&Vertex2[2], 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetU(&Vertex2[2], 1.0f, 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetV(&Vertex2[2], 1.0f, 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetIntRGBA(&Vertex2[2], 255, 255, 255, 255);
+
+	RwIm2DVertexSetScreenX(&Vertex2[3], xmax);
+	RwIm2DVertexSetScreenY(&Vertex2[3], zero);
+	RwIm2DVertexSetScreenZ(&Vertex2[3], RwIm2DGetNearScreenZ());
+	RwIm2DVertexSetCameraZ(&Vertex2[3], RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetRecipCameraZ(&Vertex2[3], 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetU(&Vertex2[3], 1.0f, 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetV(&Vertex2[3], 0.0f, 1.0f/RwCameraGetNearClipPlane(cam));
+	RwIm2DVertexSetIntRGBA(&Vertex2[3], 255, 255, 255, 255);
+
 }
 
 void
-CMBlur::MotionBlurRender(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blur, int32 type, uint32 addalpha)
+CMBlur::MotionBlurRender(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blur, int32 type)
 {
 	RwRGBA color = { (RwUInt8)red, (RwUInt8)green, (RwUInt8)blue, (RwUInt8)blur };
+	if(ms_bJustInitialised)
+		ms_bJustInitialised = false;
+	else
+		OverlayRender(cam, pFrontBuffer, color, type);
 	if(BlurOn){
-		if(pFrontBuffer){
-			if(ms_bJustInitialised)
-				ms_bJustInitialised = false;
-			else
-				OverlayRender(cam, pFrontBuffer, color, type, addalpha);
-		}
 		RwRasterPushContext(pFrontBuffer);
 		RwRasterRenderFast(RwCameraGetRaster(cam), 0, 0);
 		RwRasterPopContext();
-	}else{
-		OverlayRender(cam, nil, color, type, addalpha);
 	}
 }
 
 void
-CMBlur::OverlayRender(RwCamera *cam, RwRaster *raster, RwRGBA color, int32 type, uint32 addalpha)
+CMBlur::OverlayRender(RwCamera *cam, RwRaster *raster, RwRGBA color, int32 type)
 {
 	int r, g, b, a;
 
@@ -170,41 +204,75 @@ CMBlur::OverlayRender(RwCamera *cam, RwRaster *raster, RwRGBA color, int32 type,
 	}
 
 	if(!BlurOn){
-		r *= 0.6f;
-		g *= 0.6f;
-		b *= 0.6f;
-		if(type != 1)
-			a *= 0.6f;
-		// game clamps to 255 here, but why?
+		// gta clamps these to 255 (probably a macro or inlined function)
+		int ovR = r * 0.6f;
+		int ovG = g * 0.6f;
+		int ovB = b * 0.6f;
+		int ovA = type == MBLUR_SNIPER ? a : a*0.6f;
+		RwIm2DVertexSetIntRGBA(&Vertex[0], ovR, ovG, ovB, ovA);
+		RwIm2DVertexSetIntRGBA(&Vertex[1], ovR, ovG, ovB, ovA);
+		RwIm2DVertexSetIntRGBA(&Vertex[2], ovR, ovG, ovB, ovA);
+		RwIm2DVertexSetIntRGBA(&Vertex[3], ovR, ovG, ovB, ovA);
+	}else{
+		RwIm2DVertexSetIntRGBA(&Vertex2[0], r, g, b, a);
+		RwIm2DVertexSetIntRGBA(&Vertex[0], r, g, b, a);
+		RwIm2DVertexSetIntRGBA(&Vertex2[1], r, g, b, a);
+		RwIm2DVertexSetIntRGBA(&Vertex[1], r, g, b, a);
+		RwIm2DVertexSetIntRGBA(&Vertex2[2], r, g, b, a);
+		RwIm2DVertexSetIntRGBA(&Vertex[2], r, g, b, a);
+		RwIm2DVertexSetIntRGBA(&Vertex2[3], r, g, b, a);
+		RwIm2DVertexSetIntRGBA(&Vertex[3], r, g, b, a);
 	}
-	RwIm2DVertexSetIntRGBA(&Vertex[0], r, g, b, a);
-	RwIm2DVertexSetIntRGBA(&Vertex[1], r, g, b, a);
-	RwIm2DVertexSetIntRGBA(&Vertex[2], r, g, b, a);
-	RwIm2DVertexSetIntRGBA(&Vertex[3], r, g, b, a);
 
 	RwRenderStateSet(rwRENDERSTATETEXTUREFILTER, (void*)rwFILTERNEAREST);
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
 
-	RwRenderStateSet(rwRENDERSTATETEXTURERASTER, BlurOn ? raster : nil);
+	RwRenderStateSet(rwRENDERSTATETEXTURERASTER, raster);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
-	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
-	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
-	RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, Vertex, 4, Index, 6);
-
-	a = addalpha/2;
-	if(a < 30)
-		a = 30;
-
-	if(BlurOn && a != 0){	// the second condition should always be true
-		RwIm2DVertexSetIntRGBA(&Vertex[0], 255, 255, 255, a);
-		RwIm2DVertexSetIntRGBA(&Vertex[1], 255, 255, 255, a);
-		RwIm2DVertexSetIntRGBA(&Vertex[2], 255, 255, 255, a);
-		RwIm2DVertexSetIntRGBA(&Vertex[3], 255, 255, 255, a);
-		RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, Vertex, 4, Index, 6);
+	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
+	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
+
+	if(BlurOn){
+		if(type == MBLUR_SNIPER){
+			RwIm2DVertexSetIntRGBA(&Vertex2[0], r, g, b, 80);
+			RwIm2DVertexSetIntRGBA(&Vertex2[1], r, g, b, 80);
+			RwIm2DVertexSetIntRGBA(&Vertex2[2], r, g, b, 80);
+			RwIm2DVertexSetIntRGBA(&Vertex2[3], r, g, b, 80);
+			RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
+			RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
+			// TODO(MIAMI): pBufVertCount = 0;
+		}else{
+			RwIm2DVertexSetIntRGBA(&Vertex2[0], r*2, g*2, b*2, 30);
+			RwIm2DVertexSetIntRGBA(&Vertex2[1], r*2, g*2, b*2, 30);
+			RwIm2DVertexSetIntRGBA(&Vertex2[2], r*2, g*2, b*2, 30);
+			RwIm2DVertexSetIntRGBA(&Vertex2[3], r*2, g*2, b*2, 30);
+			RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
+			RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
+
+			RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, Vertex2, 4, Index, 6);
+
+			RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
+			RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
+
+			RwIm2DVertexSetIntRGBA(&Vertex2[0], r, g, b, a);
+			RwIm2DVertexSetIntRGBA(&Vertex[0], r, g, b, a);
+			RwIm2DVertexSetIntRGBA(&Vertex2[1], r, g, b, a);
+			RwIm2DVertexSetIntRGBA(&Vertex[1], r, g, b, a);
+			RwIm2DVertexSetIntRGBA(&Vertex2[2], r, g, b, a);
+			RwIm2DVertexSetIntRGBA(&Vertex[2], r, g, b, a);
+			RwIm2DVertexSetIntRGBA(&Vertex2[3], r, g, b, a);
+			RwIm2DVertexSetIntRGBA(&Vertex[3], r, g, b, a);
+			RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, Vertex, 4, Index, 6);
+			RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, Vertex2, 4, Index, 6);
+		}
 	}
 
+	// TODO(MIAMI): drunkness
+
+	// TODO(MIAMI): OverlayRenderFx
+
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);