d3dx9: Fix D3DXMatrixAffineTransformation() and add some tests.

dlls/d3dx9_36/math.c

@@ -81,7 +81,7 @@ FLOAT WINAPI D3DXFresnelTerm(FLOAT costheta, FLOAT refractionindex)
 {
     FLOAT a, d, g, result;
 
-    TRACE("costheta %f, refractionindex %f)\n", costheta, refractionindex);
+    TRACE("costheta %f, refractionindex %f\n", costheta, refractionindex);
 
     g = sqrtf(refractionindex * refractionindex + costheta * costheta - 1.0f);
     a = g + costheta;
@@ -102,6 +102,13 @@ D3DXMATRIX * WINAPI D3DXMatrixAffineTransformation(D3DXMATRIX *out, FLOAT scalin
 
     D3DXMatrixIdentity(out);
 
+    if (rotationcenter)
+    {
+        out->u.m[3][0] = -rotationcenter->x;
+        out->u.m[3][1] = -rotationcenter->y;
+        out->u.m[3][2] = -rotationcenter->z;
+    }
+
     if (rotation)
     {
         FLOAT temp00, temp01, temp02, temp10, temp11, temp12, temp20, temp21, temp22;
@@ -130,9 +137,9 @@ D3DXMATRIX * WINAPI D3DXMatrixAffineTransformation(D3DXMATRIX *out, FLOAT scalin
         {
             FLOAT x, y, z;
 
-            x = -rotationcenter->x;
-            y = -rotationcenter->y;
-            z = -rotationcenter->z;
+            x = out->u.m[3][0];
+            y = out->u.m[3][1];
+            z = out->u.m[3][2];
 
             out->u.m[3][0] = x * temp00 + y * temp10 + z * temp20;
             out->u.m[3][1] = x * temp01 + y * temp11 + z * temp21;

dlls/d3dx9_36/tests/math.c

@@ -275,14 +275,37 @@ static void D3DXMatrixTest(void)
     U(expectedmat).m[1][0] = 519.760010f; U(expectedmat).m[1][1] = -352.440002f; U(expectedmat).m[1][2] = -277.679993f; U(expectedmat).m[1][3] = 0.0f;
     U(expectedmat).m[2][0] = 363.119995f; U(expectedmat).m[2][1] = -121.040001f; U(expectedmat).m[2][2] = -117.479996f; U(expectedmat).m[2][3] = 0.0f;
     U(expectedmat).m[3][0] = -1239.0f; U(expectedmat).m[3][1] = 667.0f; U(expectedmat).m[3][2] = 567.0f; U(expectedmat).m[3][3] = 1.0f;
-    D3DXMatrixAffineTransformation(&gotmat,3.56f,&at,&q,&axis);
+    D3DXMatrixAffineTransformation(&gotmat, 3.56f, &at, &q, &axis);
     expect_mat(&expectedmat, &gotmat);
-/* Test the NULL case */
-    U(expectedmat).m[0][0] = -459.239990f; U(expectedmat).m[0][1] = -576.719971f; U(expectedmat).m[0][2] = -263.440002f; U(expectedmat).m[0][3] = 0.0f;
-    U(expectedmat).m[1][0] = 519.760010f; U(expectedmat).m[1][1] = -352.440002f; U(expectedmat).m[1][2] = -277.679993f; U(expectedmat).m[1][3] = 0.0f;
-    U(expectedmat).m[2][0] = 363.119995f; U(expectedmat).m[2][1] = -121.040001f; U(expectedmat).m[2][2] = -117.479996f; U(expectedmat).m[2][3] = 0.0f;
+
+    /* Test the NULL case */
+    U(expectedmat).m[3][0] = 1.0f; U(expectedmat).m[3][1] = -3.0f; U(expectedmat).m[3][2] = 7.0f; U(expectedmat).m[3][3] = 1.0f;
+    D3DXMatrixAffineTransformation(&gotmat, 3.56f, NULL, &q, &axis);
+    expect_mat(&expectedmat, &gotmat);
+
+    U(expectedmat).m[3][0] = -1240.0f; U(expectedmat).m[3][1] = 670.0f; U(expectedmat).m[3][2] = 560.0f; U(expectedmat).m[3][3] = 1.0f;
+    D3DXMatrixAffineTransformation(&gotmat, 3.56f, &at, &q, NULL);
+    expect_mat(&expectedmat, &gotmat);
+
+    U(expectedmat).m[3][0] = 0.0f; U(expectedmat).m[3][1] = 0.0f; U(expectedmat).m[3][2] = 0.0f; U(expectedmat).m[3][3] = 1.0f;
+    D3DXMatrixAffineTransformation(&gotmat, 3.56f, NULL, &q, NULL);
+    expect_mat(&expectedmat, &gotmat);
+
+    U(expectedmat).m[0][0] = 3.56f; U(expectedmat).m[0][1] = 0.0f; U(expectedmat).m[0][2] = 0.0f; U(expectedmat).m[0][3] = 0.0f;
+    U(expectedmat).m[1][0] = 0.0f; U(expectedmat).m[1][1] = 3.56f; U(expectedmat).m[1][2] = 0.0f; U(expectedmat).m[1][3] = 0.0f;
+    U(expectedmat).m[2][0] = 0.0f; U(expectedmat).m[2][1] = 0.0f; U(expectedmat).m[2][2] = 3.56f; U(expectedmat).m[2][3] = 0.0f;
     U(expectedmat).m[3][0] = 1.0f; U(expectedmat).m[3][1] = -3.0f; U(expectedmat).m[3][2] = 7.0f; U(expectedmat).m[3][3] = 1.0f;
-    D3DXMatrixAffineTransformation(&gotmat,3.56f,NULL,&q,&axis);
+    D3DXMatrixAffineTransformation(&gotmat, 3.56f, NULL, NULL, &axis);
+    expect_mat(&expectedmat, &gotmat);
+
+    D3DXMatrixAffineTransformation(&gotmat, 3.56f, &at, NULL, &axis);
+    expect_mat(&expectedmat, &gotmat);
+
+    U(expectedmat).m[3][0] = 0.0f; U(expectedmat).m[3][1] = 0.0f; U(expectedmat).m[3][2] = 0.0f; U(expectedmat).m[3][3] = 1.0f;
+    D3DXMatrixAffineTransformation(&gotmat, 3.56f, &at, NULL, NULL);
+    expect_mat(&expectedmat, &gotmat);
+
+    D3DXMatrixAffineTransformation(&gotmat, 3.56f, NULL, NULL, NULL);
     expect_mat(&expectedmat, &gotmat);
 
 /*____________D3DXMatrixfDeterminant_____________*/