npc actor in screen check fix, fix dBgWKCol::RoofChk using wrong var for prism idx calc

src/d/actor/d_a_npc.cpp

@@ -2695,9 +2695,15 @@ BOOL daNpcT_chkActorInScreen(fopAc_ac_c* i_ActorP, f32 param_1, f32 param_2, f32
 
         for (int i = 0; i < 8; i++) {
             mDoLib_project(&pos_array[i], &proj);
+#if TARGET_PC
+            if (0.0f < proj.x && proj.x < mDoGph_gInf_c::getWidth() && 0.0f < proj.y && proj.y < mDoGph_gInf_c::getHeight()) {
+                continue;
+            }
+#else
             if (0.0f < proj.x && proj.x < FB_WIDTH && 0.0f < proj.y && proj.y < FB_HEIGHT) {
                 continue;
             }
+#endif
             return false;
         }
 

src/d/d_bg_w_kcol.cpp

@@ -1909,17 +1909,16 @@ bool dBgWKCol::RoofChk(dBgS_RoofChk* param_0) {
     bool sp0A = false;
     u32 sp30 = ~m_pkc_head->m_area_y_width_mask;
     do {
-        uintptr_t block = (uintptr_t)(BE(u32)*)m_pkc_head->m_block_data;
+        uintptr_t block = (uintptr_t)(BE(s32)*)m_pkc_head->m_block_data;
         u32 shift = m_pkc_head->m_block_width_shift;
         int idx = 4 * (((u32)z >> shift) << m_pkc_head->m_area_xy_blocks_shift |
                        ((u32)y >> shift) << m_pkc_head->m_area_x_blocks_shift |
                        (u32)x >> shift);
-
-        while ((idx = (*(BE(u32)*)(block + (idx & 0x7fffffff)))) >= 0) {
+        while ((idx = (*(BE(s32)*)(block + (idx & 0x7fffffff)))) >= 0) {
             block += idx;
             shift--;
             idx = (((u32)z >> shift & 1) << 2 | ((u32)y >> shift & 1) << 1 |
-                   ((u32)z >> shift & 1) << 0)
+                   ((u32)x >> shift & 1) << 0)
                   << 2;
         }