# HG changeset patch
# User Nomad
# Date 1360623480 -7200
# Node ID 7eeea515f5ff2ffbeaaf2453ecd34a5a9908e71a
# Parent  a8ec7e1e18b65d181352f85670c47ebbd9495a98
Refactored strafe

diff -r a8ec7e1e18b6 -r 7eeea515f5ff mm7_3.cpp
--- a/mm7_3.cpp	Tue Feb 12 00:22:30 2013 +0200
+++ b/mm7_3.cpp	Tue Feb 12 00:58:00 2013 +0200
@@ -3003,14 +3003,14 @@
   int v6; // esi@45
   ODMFace *v7; // ecx@45
   //unsigned int v8; // eax@71
-  double v9; // st7@72
+  //double v9; // st7@72
   //signed __int64 v10; // qax@74
-  double v11; // st7@75
-  int v12; // ecx@77
-  int v13; // eax@84
-  double v14; // st7@84
-  int v15; // eax@87
-  double v16; // st7@87
+  //double v11; // st7@75
+  //int v12; // ecx@77
+  //int v13; // eax@84
+  //double v14; // st7@84
+  //int v15; // eax@87
+  //double v16; // st7@87
   int v17; // eax@88
   double v18; // st7@88
   int v19; // eax@89
@@ -3311,7 +3311,7 @@
       break;
 
       case PARTY_FlyDown:
-        if ( (signed __int64)pParty->pPartyBuffs[7].uExpireTime > 0 || bUnderwater == 1 )
+        if (pParty->FlyActive() || bUnderwater)
         {
           pParty->bFlying = 0;
           if ( bUnderwater
@@ -3331,85 +3331,86 @@
             }
           }
         }
-        goto LABEL_118;
+        break;
+
       case PARTY_TurnLeft:
-        //v8 = uTurnSpeed;
-        if ( uTurnSpeed )
-        {
-          v12 = uTurnSpeed + _angle_y;
-          _angle_y = stru_5C6E00->uDoublePiMask & v12;
-        }
-        else
-        {
-          v9 = (double)dturn * fTurnSpeedMultiplier;
-          _angle_y = stru_5C6E00->uDoublePiMask & (_angle_y + (unsigned __int64)(signed __int64)v9);
-        }
-        break;
+        if (uTurnSpeed)
+          _angle_y += uTurnSpeed;   //descrete turn
+        else
+          _angle_y += dturn * fTurnSpeedMultiplier;  // time-based smooth turn
+
+        _angle_y &= stru_5C6E00->uDoublePiMask;
+      break;
 
       case PARTY_TurnRight:
-        //LODWORD(v10) = uTurnSpeed;
-        if ( uTurnSpeed )
-        {
-          v12 = _angle_y - uTurnSpeed;
-          _angle_y = stru_5C6E00->uDoublePiMask & v12;
-        }
-        else
-        {
-          v11 = (double)dturn * fTurnSpeedMultiplier;
-          v12 = _angle_y - (signed __int64)v11;
-          _angle_y = stru_5C6E00->uDoublePiMask & v12;
-        }
-        break;
+        if (uTurnSpeed)
+          _angle_y -= uTurnSpeed;
+        else
+          _angle_y -= dturn * fTurnSpeedMultiplier;
+
+        _angle_y &= stru_5C6E00->uDoublePiMask;
+      break;
 
       case PARTY_FastTurnLeft:
-        if ( uTurnSpeed )
-        {
-          v12 = uTurnSpeed + _angle_y;
-          _angle_y = stru_5C6E00->uDoublePiMask & v12;
-        }
-        else
-        {
-          v9 = (fTurnSpeedMultiplier + fTurnSpeedMultiplier) * (double)dturn;
-          _angle_y = stru_5C6E00->uDoublePiMask & (_angle_y + (unsigned __int64)(signed __int64)v9);
-        }
-        break;
+        if (uTurnSpeed)
+          _angle_y += uTurnSpeed;
+        else
+          _angle_y += 2.0f * fTurnSpeedMultiplier * (double)dturn;
+
+        _angle_y &= stru_5C6E00->uDoublePiMask;
+      break;
 
       case PARTY_FastTurnRight:
-        if ( !uTurnSpeed )
-        {
-          v11 = (fTurnSpeedMultiplier + fTurnSpeedMultiplier) * (double)dturn;
-          v12 = _angle_y - (signed __int64)v11;
-          _angle_y = stru_5C6E00->uDoublePiMask & v12;
-        }
-        else
-        {
-          v12 = _angle_y - uTurnSpeed;
-          _angle_y = stru_5C6E00->uDoublePiMask & v12;
-        }
-        break;
+        if (!uTurnSpeed)
+          _angle_y -= 2.0f * fTurnSpeedMultiplier * (double)dturn;
+        else
+          _angle_y -= uTurnSpeed;
+
+        _angle_y &= stru_5C6E00->uDoublePiMask;
+      break;
 
       case PARTY_StrafeLeft:
-        v13 = stru_5C6E00->SinCos(_angle_y - stru_5C6E00->uIntegerHalfPi);
-        v14 = (double)_walk_speed;
-        v126 = v13;
-        *(float *)&v128 = v14;
-        v124 = (unsigned __int64)(v13 * (signed __int64)((signed int)(signed __int64)(v14 * fWalkSpeedMultiplier) >> 1)) >> 16;
-        v2 -= v124;
-        v126 = stru_5C6E00->SinCos(_angle_y);
-        v124 = (unsigned __int64)(v126
-                                * (signed __int64)((signed int)(signed __int64)(*(float *)&v128 * fWalkSpeedMultiplier) >> 1)) >> 16;
-        goto LABEL_85;
+      {
+        //v13 = stru_5C6E00->SinCos(_angle_y - stru_5C6E00->uIntegerHalfPi);
+        //v14 = (double)_walk_speed;
+        *(float *)&v128 = pParty->uWalkSpeed;
+
+        float sin_y = sinf(2 * 3.141592653589 * _angle_y / 2048.0);
+        int dx = sin_y * pParty->uWalkSpeed * fWalkSpeedMultiplier;
+        v2 -= 3 * dx / 4;
+        
+        float cos_y = cosf(2 * 3.141592653589 * _angle_y / 2048.0);
+        int dy = cos_y * pParty->uWalkSpeed * fWalkSpeedMultiplier;
+        v1 += 3 * dy / 4;
+
+        v128 = v1;
+        v124 = 1;
+      }
+      break;
+
       case PARTY_StrafeRight:
-        v15 = stru_5C6E00->SinCos(_angle_y - stru_5C6E00->uIntegerHalfPi);
-        v16 = (double)_walk_speed;
-        v126 = v15;
-        *(float *)&v128 = v16;
-        v124 = (unsigned __int64)(v15 * (signed __int64)((signed int)(signed __int64)(v16 * fWalkSpeedMultiplier) >> 1)) >> 16;
+      {
+        //v126 = stru_5C6E00->SinCos(_angle_y - stru_5C6E00->uIntegerHalfPi);
+        *(float *)&v128 = pParty->uWalkSpeed;
+        /*v124 = (unsigned __int64)(v126 * (signed __int64)((signed int)(signed __int64)(pParty->uWalkSpeed * fWalkSpeedMultiplier) >> 1)) >> 16;
         v2 += v124;
         v126 = stru_5C6E00->SinCos(_angle_y);
         v124 = (unsigned __int64)(v126
                                 * (signed __int64)((signed int)(signed __int64)(*(float *)&v128 * fWalkSpeedMultiplier) >> 1)) >> 16;
-        goto LABEL_90;
+        v1 -= v124;*/
+        float sin_y = sinf(2 * 3.141592653589 * _angle_y / 2048.0);
+        int dx = sin_y * pParty->uWalkSpeed * fWalkSpeedMultiplier;
+        v2 += 3 * dx / 4;
+        
+        float cos_y = cosf(2 * 3.141592653589 * _angle_y / 2048.0);
+        int dy = cos_y * pParty->uWalkSpeed * fWalkSpeedMultiplier;
+        v1 -= 3 * dy / 4;
+
+        v128 = v1;
+        v124 = 1;
+      }
+      break;
+
       case PARTY_WalkForward:
         v17 = stru_5C6E00->SinCos(_angle_y);
         v18 = (double)_walk_speed;
@@ -3420,9 +3421,11 @@
         v126 = stru_5C6E00->SinCos(_angle_y - stru_5C6E00->uIntegerHalfPi);
         v124 = (unsigned __int64)(v126
                                 * (signed __int64)(signed int)(signed __int64)(*(float *)&v128 * fWalkSpeedMultiplier)) >> 16;
-LABEL_85:
         v1 += v124;
-        goto LABEL_86;
+        v128 = v1;
+        v124 = 1;
+      break;
+
       case PARTY_WalkBackward:
         v19 = stru_5C6E00->SinCos(_angle_y);
         v20 = (double)_walk_speed;
@@ -3435,9 +3438,11 @@
         v124 = (unsigned __int64)(v126
                                 * (signed __int64)(signed int)(signed __int64)(*(float *)&v128
                                                                              * fBackwardWalkSpeedMultiplier)) >> 16;
-LABEL_90:
         v1 -= v124;
-        goto LABEL_86;
+        v128 = v1;
+        v124 = 1;
+      break;
+
       case PARTY_RunForward:
         if ( pParty->bFlying )
         {
@@ -3470,7 +3475,9 @@
           v129 = (unsigned __int64)(v126
                                   * (signed __int64)(signed int)(signed __int64)(*(float *)&v128 * fWalkSpeedMultiplier)) >> 16;
           v1 += v129;
-          goto LABEL_86;
+          v128 = v1;
+          v124 = 1;
+          break;
         }
         v25 = stru_5C6E00->SinCos(_angle_y);
         v26 = (double)_walk_speed;
@@ -3490,6 +3497,7 @@
         v114 = 1;
         v128 = v1;
         break;
+
       case PARTY_RunBackward:
         v27 = stru_5C6E00->SinCos(_angle_y);
         v28 = (double)_walk_speed;
@@ -3518,7 +3526,7 @@
                                   * (signed __int64)(signed int)(signed __int64)(*(float *)&v128
                                                                                * fBackwardWalkSpeedMultiplier)) >> 16;
           v1 -= v129;
-LABEL_86:
+//LABEL_86:
           v128 = v1;
           v124 = 1;
         }