Mercurial > mm7

comparison stru9.cpp @ 1301:18665b8f66b2

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yellow points remove
author Ritor1
date Mon, 24 Jun 2013 13:47:13 +0600
parents 7adc8b9b6a25
children 8cd321994943
comparison
equal deleted inserted replaced
1300:bedc304ab617 1301:18665b8f66b2
173 return true; 173 return true;
174 } 174 }
175 175
176 176
177 //----- (004985FB) -------------------------------------------------------- 177 //----- (004985FB) --------------------------------------------------------
178 bool stru9::CalcPortalShape(struct RenderVertexSoft *a1, signed int a2, struct RenderVertexSoft *a3, unsigned int *pOutNumVertices, struct Vec3_float_ *a5, float a6, char *a7, int unused) 178 bool stru9::CalcPortalShape(struct RenderVertexSoft *a1, signed int a2, struct RenderVertexSoft *pVertices, unsigned int *pOutNumVertices, struct Vec3_float_ *a5, float a6, char *a7, int unused)
179 { 179 {
180 RenderVertexSoft *v9; // ecx@1 180 //RenderVertexSoft *v9; // ecx@1
181 Vec3_float_ *v10; // esi@1 181 //Vec3_float_ *v10; // esi@1
182 //char *v11; // ebx@1 182 //char *v11; // ebx@1
183 RenderVertexSoft *v12; // edi@1 183 //RenderVertexSoft *pVertices; // edi@1
184 double v13; // st7@1 184 double pLinelength1; // st7@1
185 //bool result; // eax@4 185 //bool result; // eax@4
186 signed int v15; // edx@9 186 signed int v15; // edx@9
187 RenderVertexSoft *v16; // ecx@9 187 RenderVertexSoft *pLineEnd; // ecx@9
188 double v17; // st7@9 188 double pLinelength2; // st7@9
189 double v18; // st6@12 189 double t; // st6@12
190 signed int v19; // [sp+Ch] [bp-Ch]@7 190 signed int v19; // [sp+Ch] [bp-Ch]@7
191 float v20; // [sp+10h] [bp-8h]@1 191 //float v20; // [sp+10h] [bp-8h]@1
192 bool v21; // [sp+14h] [bp-4h]@2 192 bool v21; // [sp+14h] [bp-4h]@2
193 193
194 v9 = a1; 194 //v9 = a1;
195 v10 = a5; 195 //v10 = a5;
196 //v11 = (char *)&a1->vWorldPosition.z; 196 //v11 = (char *)&a1->vWorldPosition.z;
197 auto v11 = a1; 197 auto pLineStart = &a1[0];
198 v12 = a3; 198 //pVertices = a3;
199 v13 = a1->vWorldPosition.y * a5->y + a5->x * a1->vWorldPosition.x + a1->vWorldPosition.z * a5->z; 199 pLinelength1 = a5->x * a1[0].vWorldPosition.x + a1[0].vWorldPosition.y * a5->y + a1[0].vWorldPosition.z * a5->z;
200 v20 = v13; 200 //v20 = v13;
201 v21 = v13 >= a6; 201 v21 = pLinelength1 >= a6;
202 202
203 *pOutNumVertices = 0; 203 *pOutNumVertices = 0;
204 if ( a2 <= 0 ) 204 if ( a2 <= 0 )
205 return false; 205 return false;
206 v19 = 1; 206 v19 = 1;
207
207 while ( 1 ) 208 while ( 1 )
208 { 209 {
209 if ( v21 ) 210 if ( v21 )
210 { 211 {
211 ++a3; 212 //++pVertices;
212 memcpy(v12, v11, sizeof(RenderVertexSoft)); 213 memcpy(pVertices, pLineStart, sizeof(RenderVertexSoft));
213 ++*pOutNumVertices; 214 ++*pOutNumVertices;
214 v10 = a5; 215 //v10 = a5;
215 v12 = a3; 216 pVertices++;
216 v9 = a1; 217 //v9 = a1;
217 } 218 }
218 v15 = 0; 219 v15 = 0;
219 v16 = &v9[v19 % a2]; 220 pLineEnd = &a1[v19 % a2];
220 v17 = v16->vWorldPosition.z * v10->z + v16->vWorldPosition.y * v10->y + v10->x * v16->vWorldPosition.x; 221 pLinelength2 = a5->x * pLineEnd->vWorldPosition.x + pLineEnd->vWorldPosition.y * a5->y + pLineEnd->vWorldPosition.z * a5->z;
221 if ( v17 >= a6 ) 222 if ( pLinelength2 >= a6 )
222 v15 = 1; 223 v15 = 1;
224
223 if ( v21 != v15 ) 225 if ( v21 != v15 )
224 { 226 {
225 v18 = (a6 - v20) / (v17 - v20); 227 t = (a6 - pLinelength1) / (pLinelength2 - pLinelength1);
226 v12->vWorldPosition.x = (v16->vWorldPosition.x - v11->vWorldPosition.x) * v18 + v11->vWorldPosition.x; 228 pVertices->vWorldPosition.x = pLineStart->vWorldPosition.x + (pLineEnd->vWorldPosition.x - pLineStart->vWorldPosition.x) * t;
227 v12->vWorldPosition.y = (v16->vWorldPosition.y - v11->vWorldPosition.y) * v18 + v11->vWorldPosition.y; 229 pVertices->vWorldPosition.y = pLineStart->vWorldPosition.y + (pLineEnd->vWorldPosition.y - pLineStart->vWorldPosition.y) * t;
228 v12->vWorldPosition.z = (v16->vWorldPosition.z - v11->vWorldPosition.z) * v18 + v11->vWorldPosition.z; 230 pVertices->vWorldPosition.z = pLineStart->vWorldPosition.z + (pLineEnd->vWorldPosition.z - pLineStart->vWorldPosition.z) * t;
229 v12->u = (v16->u - v11->u) * v18 + v11->u; 231 pVertices->u = pLineStart->u + (pLineEnd->u - pLineStart->u) * t;
230 v12->v = (v16->v - v11->v) * v18 + v11->v; 232 pVertices->v = pLineStart->v + (pLineEnd->v - pLineStart->v) * t;
231 ++v12; 233 ++pVertices;
232 a3 = v12; 234 //a3 = pVertices;
233 ++*pOutNumVertices; 235 ++*pOutNumVertices;
234 *a7 = 1; 236 *a7 = 1;
235 } 237 }
236 238
237 v11++; 239 pLineStart++;
238 v21 = v15; 240 v21 = v15;
239 v20 = v17; 241 pLinelength1 = pLinelength2;
240 if ( v19 >= a2 ) 242 if ( v19 >= a2 )
241 break; 243 break;
242 v9 = a1; 244 //v9 = a1;
243 v19++; 245 v19++;
244 } 246 }
245 247
246 return *pOutNumVertices >= 3; 248 return *pOutNumVertices >= 3;
247 } 249 }