mm7: Render.cpp comparison

comparison Render.cpp @ 2318:133882370e83

far_clip and near_clip for draw terrain

author	Ritor1
date	Thu, 20 Mar 2014 17:38:29 +0600
parents	25f771e528f0
children	847aba0b7f82

comparison

equal deleted inserted replaced

-:345b1ff000bb
+:133882370e83
 pTerrainVertices[z * 128 + x].vWorldPosition.z = heightScale * pOutdoor->pTerrain.pHeightmap[z * 128 + x];
 pGame->pIndoorCameraD3D->ViewTransform(&pTerrainVertices[z * 128 + x], 1);
 pGame->pIndoorCameraD3D->Project(&pTerrainVertices[z * 128 + x], 1, 0);
 }
 }
-//--------------------------------------------------------------------------------------------------------------------
+//-------(Отсечение невидимой части карты)------------------------------------------------------------------------------------------
-int direction = pGame->pIndoorCameraD3D->sRotationY / 256;//direction of the camera(напрвление камеры), не могу округлить :(
+float direction = pGame->pIndoorCameraD3D->sRotationY / 256;//direction of the camera(напрвление камеры)
 //0-East(B)
 //1-NorthEast(CB)
 //2-North(C)
 //3-WestNorth(CЗ)
 //4-West(З)
 //5-SouthWest(ЮЗ)
 //6-South(Ю)
 //7-SouthEast(ЮВ)
 int Start_X, End_X, Start_Z, End_Z;
-switch ( direction )
+if ( direction >= 0 && direction < 1.0 )//East(B) - NorthEast(CB)
 {
-case 0://East(B)
+Start_X = pODMRenderParams->uMapGridCellX, End_X = 127;
-Start_X = pODMRenderParams->uMapGridCellX, End_X = 127;
+Start_Z = 0, End_Z = 127;
-Start_Z = 0, End_Z = 127;
+}
-break;
+else if (direction >= 1.0 && direction < 3.0)//NorthEast(CB) - WestNorth(CЗ)
-case 1://NorthEast(CB)
+{
-Start_X = 0,/*pODMRenderParams->uMapGridCellX - 1,*/ End_X = 127;
-Start_Z = 0, End_Z = pODMRenderParams->uMapGridCellZ;
-break;
-case 2://North(C)
 Start_X = 0, End_X = 127;
 Start_Z = 0, End_Z = pODMRenderParams->uMapGridCellZ;
-break;
+}
-case 3://WestNorth(CЗ)
+else if (direction >= 3.0 && direction < 5.0)//WestNorth(CЗ) - SouthWest(ЮЗ)
-Start_X = 0, End_X = pODMRenderParams->uMapGridCellX + 1;
+{
-Start_Z = 0, End_Z = 127;//pODMRenderParams->uMapGridCellZ + 2;
+Start_X = 0, End_X = pODMRenderParams->uMapGridCellX + 1;
-break;
+Start_Z = 0, End_Z = 127;
-case 4://West(З)
+}
-Start_X = 0, End_X = pODMRenderParams->uMapGridCellX + 1;
+else if ( direction >= 5.0 && direction < 7.0 )//SouthWest(ЮЗ) - //SouthEast(ЮВ)
-Start_Z = 0, End_Z = 127;
+{
-break;
+Start_X = 0, End_X = 127;
-case 5://SouthWest(ЮЗ)
+Start_Z = pODMRenderParams->uMapGridCellZ - 1, End_Z = 127;
-Start_X = 0, End_X = 127;//pODMRenderParams->uMapGridCellX + 2;
+}
-Start_Z = pODMRenderParams->uMapGridCellZ - 1, End_Z = 127;
+else//SouthEast(ЮВ) - East(B)
-break;
+{
-case 6://South(Ю)
+Start_X = pODMRenderParams->uMapGridCellX, End_X = 127;
-Start_X = 0, End_X = 127;
+Start_Z = 0, End_Z = 127;
-Start_Z = pODMRenderParams->uMapGridCellZ - 1, End_Z = 127;
-break;
-case 7://SouthEast(ЮВ)
-Start_X = pODMRenderParams->uMapGridCellX, End_X = 127;
-Start_Z = 0,/*pODMRenderParams->uMapGridCellZ,*/ End_Z = 127;
-break;
-default:
-__debugbreak();//Ritor1: error
 }
 for (unsigned int z = Start_Z; z < End_Z; ++z)
 {
 for (unsigned int x = Start_X; x < End_X; ++x)
 {
 pTilePolygon->dimming_level = 20.0 - floorf(20.0 * _f + 0.5f);
 if ( norm_idx < 0 || norm_idx > uNumTerrainNormals - 1 )
 norm = 0;
 else
 norm = &pTerrainNormals[norm_idx];
-//pGame->pLightmapBuilder->StackLights_TerrainFace(norm, &a3a, array_50AC10, 4, 1);//Ritor1: slows
+pGame->pLightmapBuilder->StackLights_TerrainFace(norm, &a3a, array_50AC10, 4, 1);//Ritor1: slows
-//pDecalBuilder->_49BE8A(pTilePolygon, norm, &a3a, array_50AC10, 4, 1);
+pDecalBuilder->_49BE8A(pTilePolygon, norm, &a3a, array_50AC10, 4, 1);
 //-----------------------------------------------------------------------------------------------
 ++pODMRenderParams->uNumPolygons;
 ++pODMRenderParams->field_44;
 assert(pODMRenderParams->uNumPolygons < 20000);
 for (unsigned int k = 0; k < pTilePolygon->uNumVertices; ++k)
 {
 memcpy(&array_50AC10[k], &array_73D150[k], sizeof(struct RenderVertexSoft));
 array_50AC10[k]._rhw = 1.0 / (array_73D150[k].vWorldViewPosition.x + 0.0000001000000011686097);
 }
+//---------Draw distance(Дальность отрисовки)-------------------------------
+pODMRenderParams->shading_dist_mist = 0x5000;
+bool neer_clip = array_73D150[0].vWorldViewPosition.x < 8.0
+|| array_73D150[1].vWorldViewPosition.x < 8.0
+|| array_73D150[2].vWorldViewPosition.x < 8.0
+|| array_73D150[3].vWorldViewPosition.x < 8.0;
+bool far_clip = (double)pODMRenderParams->shading_dist_mist < array_73D150[0].vWorldViewPosition.x
+|| (double)pODMRenderParams->shading_dist_mist < array_73D150[1].vWorldViewPosition.x
+|| (double)pODMRenderParams->shading_dist_mist < array_73D150[2].vWorldViewPosition.x
+|| (double)pODMRenderParams->shading_dist_mist < array_73D150[3].vWorldViewPosition.x;
+if ( !byte_4D864C || ~pGame->uFlags & 0x80 )
+{
+if ( neer_clip )
+{
+pTilePolygon->uNumVertices = ODM_NearClip(pTilePolygon->uNumVertices);
+//ODM_Project(pTilePolygon->uNumVertices);
+}
+if ( far_clip )
+{
+pTilePolygon->uNumVertices = ODM_FarClip(pTilePolygon->uNumVertices);
+//ODM_Project(pTilePolygon->uNumVertices);
+}
+}
+pODMRenderParams->shading_dist_mist = 0x2000;
 // check the transparency and texture (tiles) mapping (проверка прозрачности и наложение текстур (тайлов))----------------------
 bool transparent = false;
 if ( !( pTilePolygon->flags & 1 ) ) // не поддерживается TextureFrameTable
 {
 int ODM_NearClip(unsigned int num_vertices)
 {
 bool current_vertices_flag; // edi@1
 bool next_vertices_flag; // [sp+Ch] [bp-24h]@6
 double t; // st6@10
-int pNextVertices;
+//int pNextVertices;
 if (!num_vertices)
 return 0;
-memcpy(&array_50AC10[num_vertices], array_50AC10, sizeof(array_50AC10[0]));
+memcpy(&array_50AC10[num_vertices], &array_50AC10[0], sizeof(array_50AC10[0]));
-current_vertices_flag = 0;
+current_vertices_flag = false;
-if ( array_50AC10[0].vWorldViewPosition.x >= 8.0 )
+next_vertices_flag = false;
-current_vertices_flag = 1;
+if ( array_50AC10[0].vWorldViewPosition.x <= 8.0 )
+current_vertices_flag = true;
 int out_num_vertices = 0;
 for (int i = 0; i < num_vertices; ++i)
 {
-next_vertices_flag = array_50AC10[i + 1].vWorldViewPosition.x >= 8.0;
+next_vertices_flag = array_50AC10[i + 1].vWorldViewPosition.x <= 8.0;//
-if ( current_vertices_flag != next_vertices_flag )
+if ( current_vertices_flag ^ next_vertices_flag )
 {
-if ( next_vertices_flag )
+if ( next_vertices_flag )//следующая вершина за ближней границей
 {
 //t = near_clip - v0.x / v1.x - v0.x    (формула получения точки пересечения отрезка с плоскостью)
 t = (8.0 - array_50AC10[i].vWorldViewPosition.x) / (array_50AC10[i + 1].vWorldViewPosition.x - array_50AC10[i].vWorldViewPosition.x);
-array_507D30[out_num_vertices].vWorldViewPosition.y = (array_50AC10[i + 1].vWorldViewPosition.y - array_50AC10[i].vWorldViewPosition.y) * t + array_50AC10[i].vWorldViewPosition.y;
+array_507D30[out_num_vertices].vWorldViewPosition.x = 8.0;
-array_507D30[out_num_vertices].vWorldViewPosition.z = (array_50AC10[i + 1].vWorldViewPosition.z - array_50AC10[i].vWorldViewPosition.z) * t + array_50AC10[i].vWorldViewPosition.z;
+array_507D30[out_num_vertices].vWorldViewPosition.y = array_50AC10[i].vWorldViewPosition.y + (array_50AC10[i + 1].vWorldViewPosition.y - array_50AC10[i].vWorldViewPosition.y) * t;
-array_507D30[out_num_vertices].u = (array_50AC10[i + 1].u - array_50AC10[i].u) * t + array_50AC10[i].u;
+array_507D30[out_num_vertices].vWorldViewPosition.z = array_50AC10[i].vWorldViewPosition.z + (array_50AC10[i + 1].vWorldViewPosition.z - array_50AC10[i].vWorldViewPosition.z) * t;
-array_507D30[out_num_vertices].v = (array_50AC10[i + 1].v - array_50AC10[i].v) * t + array_50AC10[i].v;
+array_507D30[out_num_vertices].u = array_50AC10[i].u + (array_50AC10[i + 1].u - array_50AC10[i].u) * t;
-}
+array_507D30[out_num_vertices].v = array_50AC10[i].v + (array_50AC10[i + 1].v - array_50AC10[i].v) * t;
-else
+array_507D30[out_num_vertices]._rhw = 1.0 / 8.0;
-{
+}
-t = (8.0 - array_50AC10[i + 1].vWorldViewPosition.x) / (array_50AC10[i].vWorldViewPosition.x - array_50AC10[i + 1].vWorldViewPosition.x);
+else// текущая вершина за ближней границей
-array_507D30[out_num_vertices].vWorldViewPosition.y = (array_50AC10[i].vWorldViewPosition.y - array_50AC10[i + 1].vWorldViewPosition.y) * t + array_50AC10[i + 1].vWorldViewPosition.y;
+{
-array_507D30[out_num_vertices].vWorldViewPosition.z = (array_50AC10[i].vWorldViewPosition.z - array_50AC10[i + 1].vWorldViewPosition.z) * t + array_50AC10[i + 1].vWorldViewPosition.z;
+t = (8.0 - array_50AC10[i].vWorldViewPosition.x) / (array_50AC10[i].vWorldViewPosition.x - array_50AC10[i + 1].vWorldViewPosition.x);
-array_507D30[out_num_vertices].u = (array_50AC10[i].u - array_50AC10[i + 1].u) * t + array_50AC10[i + 1].u;
+array_507D30[out_num_vertices].vWorldViewPosition.x = 8.0;
-array_507D30[out_num_vertices].v = (array_50AC10[i].v - array_50AC10[i + 1].v) * t + array_50AC10[i + 1].v;
+array_507D30[out_num_vertices].vWorldViewPosition.y = array_50AC10[i].vWorldViewPosition.y + (array_50AC10[i].vWorldViewPosition.y - array_50AC10[i + 1].vWorldViewPosition.y) * t;
-}
+array_507D30[out_num_vertices].vWorldViewPosition.z = array_50AC10[i].vWorldViewPosition.z + (array_50AC10[i].vWorldViewPosition.z - array_50AC10[i + 1].vWorldViewPosition.z) * t;
-array_507D30[out_num_vertices].vWorldViewPosition.x = 8.0;
+array_507D30[out_num_vertices].u = array_50AC10[i].u + (array_50AC10[i].u - array_50AC10[i + 1].u) * t;
-array_507D30[out_num_vertices]._rhw = 1.0 / 8.0;
+array_507D30[out_num_vertices].v = array_50AC10[i].v + (array_50AC10[i].v - array_50AC10[i + 1].v) * t;
+array_507D30[out_num_vertices]._rhw = 1.0 / 8.0;
+}
 //array_507D30[out_num_vertices]._rhw = 0x3E000000u;
 ++out_num_vertices;
 }
-if ( next_vertices_flag )
+if ( !next_vertices_flag )
 {
-pNextVertices = out_num_vertices++;
+memcpy(&array_507D30[out_num_vertices], &array_50AC10[i + 1], sizeof(array_50AC10[i + 1]));
-memcpy(&array_507D30[pNextVertices], &array_50AC10[i + 1], 0x30);
+out_num_vertices++;
 }
 current_vertices_flag = next_vertices_flag;
 }
 return out_num_vertices >= 3 ? out_num_vertices : 0;
 }
 //----- (00424EE0) --------------------------------------------------------
 int ODM_FarClip(unsigned int uNumVertices)
 {
-signed int previous_vertices_flag; // edi@1
+bool current_vertices_flag; // [sp+Ch] [bp-28h]@6
+bool next_vertices_flag; // edi@1
 double t; // st6@10
-bool current_vertices_flag; // [sp+Ch] [bp-28h]@6
 signed int depth_num_vertices; // [sp+18h] [bp-1Ch]@1
-int pNextVertices;
+//int pNextVertices;
+bool bFound;
 //Доп инфо "Программирование трёхмерных игр для windows" Ламот стр 910
-memcpy(&array_50AC10[uNumVertices], array_50AC10, sizeof(array_50AC10[uNumVertices]));
+bFound = false;
+memcpy(&array_50AC10[uNumVertices], &array_50AC10[0], sizeof(array_50AC10[uNumVertices]));
 depth_num_vertices = 0;
-previous_vertices_flag = 0;
+current_vertices_flag = false;
-if ( array_50AC10[0].vWorldViewPosition.x <= pODMRenderParams->shading_dist_mist )
+if ( array_50AC10[0].vWorldViewPosition.x >= pODMRenderParams->shading_dist_mist )
-previous_vertices_flag = 1;//предыдущая грань меньше границы видимости
+current_vertices_flag = true;//настоящая вершина больше границы видимости
 if ( (signed int)uNumVertices <= 0 )
 return 0;
-for ( uint i = 1; i <= uNumVertices; ++i )
+for (uint i = 0; i < uNumVertices; ++i)// есть ли пограничные вершины
 {
-current_vertices_flag = pODMRenderParams->shading_dist_mist >= array_50AC10[i].vWorldViewPosition.x;
+if ( array_50AC10[i].vWorldViewPosition.x < pODMRenderParams->shading_dist_mist )
-if ( previous_vertices_flag != current_vertices_flag )//одна из граней за границей видимости
+{
-{
+bFound = true;
-if ( current_vertices_flag )//текущая грань меньше границы видимости(предыдущая грань за пределами видимости)
+break;
-{
+}
-//t = far_clip - v0.x / v1.x - v0.x    (формула получения точки пересечения отрезка с плоскостью)
+}
-t = (pODMRenderParams->shading_dist_mist - array_50AC10[i - 1].vWorldViewPosition.x) / (array_50AC10[i].vWorldViewPosition.x - array_50AC10[i - 1].vWorldViewPosition.x);
+if ( !bFound )
-array_507D30[depth_num_vertices].vWorldViewPosition.y = (array_50AC10[i].vWorldViewPosition.y - array_50AC10[i - 1].vWorldViewPosition.y) * t + array_50AC10[i - 1].vWorldViewPosition.y;
+return 0;
-array_507D30[depth_num_vertices].vWorldViewPosition.z = (array_50AC10[i].vWorldViewPosition.z - array_50AC10[i - 1].vWorldViewPosition.z) * t + array_50AC10[i - 1].vWorldViewPosition.z;
+//check for far clip plane(проверка по дальней границе)
-array_507D30[depth_num_vertices].u = (array_50AC10[i].u - array_50AC10[i - 1].u) * t + array_50AC10[i - 1].u;
+//
-array_507D30[depth_num_vertices].v = (array_50AC10[i].v - array_50AC10[i - 1].v) * t + array_50AC10[i - 1].v;
+// v3.__________________. v0
-}
+//   |                  |
-else//предыдущая грань меньше границы видимости(текущая грань вышла за пределы видимости)
+//   |                  |
+//   |                  |
+//  ----------------------- 8192.0(far_clip - 0x2000)
+//   |                  |
+//   .__________________.
+//  v2                     v1
+for ( uint i = 0; i < uNumVertices; ++i )
+{
+next_vertices_flag = array_50AC10[i + 1].vWorldViewPosition.x >= pODMRenderParams->shading_dist_mist;
+if ( current_vertices_flag ^ next_vertices_flag )//одна из граней за границей видимости
+{
+if ( next_vertices_flag )//следующая вершина больше границы видимости(настоящая вершина меньше границы видимости) - v3
+{
+//t = far_clip - v2.x / v3.x - v2.x (формула получения точки пересечения отрезка с плоскостью)
+t = (pODMRenderParams->shading_dist_mist - array_50AC10[i].vWorldViewPosition.x) / (array_50AC10[i + 1].vWorldViewPosition.x - array_50AC10[i].vWorldViewPosition.x);
+array_507D30[depth_num_vertices].vWorldViewPosition.x = pODMRenderParams->shading_dist_mist;
+//New_y = v2.y + (v3.y - v2.y)*t
+array_507D30[depth_num_vertices].vWorldViewPosition.y = array_50AC10[i].vWorldViewPosition.y + (array_50AC10[i + 1].vWorldViewPosition.y - array_50AC10[i].vWorldViewPosition.y) * t;
+//New_z = v2.z + (v3.z - v2.z)*t
+array_507D30[depth_num_vertices].vWorldViewPosition.z = array_50AC10[i].vWorldViewPosition.z + (array_50AC10[i + 1].vWorldViewPosition.z - array_50AC10[i].vWorldViewPosition.z) * t;
+array_507D30[depth_num_vertices].u = array_50AC10[i].u + (array_50AC10[i + 1].u - array_50AC10[i].u) * t;
+array_507D30[depth_num_vertices].v = array_50AC10[i].v + (array_50AC10[i + 1].v - array_50AC10[i].v) * t;
+array_507D30[depth_num_vertices]._rhw = 1.0 / pODMRenderParams->shading_dist_mist;
+}
+else//настоящая вершина больше границы видимости(следующая вершина меньше границы видимости) - v0
 {
 //t = far_clip - v1.x / v0.x - v1.x
-t = (pODMRenderParams->shading_dist_mist - array_50AC10[i].vWorldViewPosition.x) / (array_50AC10[i - 1].vWorldViewPosition.x - array_50AC10[i].vWorldViewPosition.x);
+t = (pODMRenderParams->shading_dist_mist - array_50AC10[i].vWorldViewPosition.x) / (array_50AC10[i + 1].vWorldViewPosition.x - array_50AC10[i].vWorldViewPosition.x);
-array_507D30[depth_num_vertices].vWorldViewPosition.y = (array_50AC10[i - 1].vWorldViewPosition.y - array_50AC10[i].vWorldViewPosition.y) * t + array_50AC10[i].vWorldViewPosition.y;
+array_507D30[depth_num_vertices].vWorldViewPosition.x = pODMRenderParams->shading_dist_mist;
-array_507D30[depth_num_vertices].vWorldViewPosition.z = (array_50AC10[i - 1].vWorldViewPosition.z - array_50AC10[i].vWorldViewPosition.z) * t + array_50AC10[i].vWorldViewPosition.z;
+//New_y = (v0.y - v1.y)*t + v1.y
-array_507D30[depth_num_vertices].u = (array_50AC10[i - 1].u - array_50AC10[i].u) * t + array_50AC10[i].u;
+array_507D30[depth_num_vertices].vWorldViewPosition.y = array_50AC10[i + 1].vWorldViewPosition.y + (array_50AC10[i].vWorldViewPosition.y - array_50AC10[i + 1].vWorldViewPosition.y) * t;
-array_507D30[depth_num_vertices].v = (array_50AC10[i - 1].v - array_50AC10[i].v) * t + array_50AC10[i].v;
+//New_z = (v0.z - v1.z)*t + v1.z
-}
+array_507D30[depth_num_vertices].vWorldViewPosition.z = array_50AC10[i + 1].vWorldViewPosition.z + (array_50AC10[i].vWorldViewPosition.z - array_50AC10[i + 1].vWorldViewPosition.z) * t;
-array_507D30[depth_num_vertices].vWorldViewPosition.x = pODMRenderParams->shading_dist_mist;
+array_507D30[depth_num_vertices].u = array_50AC10[i + 1].u + (array_50AC10[i].u - array_50AC10[i + 1].u) * t;
-array_507D30[depth_num_vertices]._rhw = 1.0 / pODMRenderParams->shading_dist_mist;
+array_507D30[depth_num_vertices].v = array_50AC10[i + 1].v + (array_50AC10[i].v - array_50AC10[i + 1].v) * t;
+array_507D30[depth_num_vertices]._rhw = 1.0 / pODMRenderParams->shading_dist_mist;
+}
 ++depth_num_vertices;
 }
-if ( current_vertices_flag )//оба в границе видимости
+if ( !next_vertices_flag )//оба в границе видимости
 {
-pNextVertices = depth_num_vertices++;
+memcpy(&array_507D30[depth_num_vertices], &array_50AC10[i + 1], sizeof(array_507D30[depth_num_vertices]));
-memcpy(&array_507D30[pNextVertices], &array_50AC10[i], 0x30);
+depth_num_vertices++;
-//array_507D30[pNextVertices]._rhw = 1.0 / (array_50AC10[i].vWorldViewPosition.x + 0.0000001);
+}
-//array_507D30[pNextVertices].flt_2C = array_50AC10[i].flt_2C;
+current_vertices_flag = next_vertices_flag;
 }
-previous_vertices_flag = current_vertices_flag;
+for (uint i = 0; i < depth_num_vertices; ++i)// есть ли пограничные вершины
-}
+{
-if ( depth_num_vertices < 3 )
+if ( array_507D30[i].vWorldViewPosition.x > pODMRenderParams->shading_dist_mist )
-return 0;
+{
-return depth_num_vertices;
+__debugbreak();
+}
+}
+return depth_num_vertices >= 3 ? depth_num_vertices : 0;
 }
 //----- (0047840D) --------------------------------------------------------
 void Render::DrawBuildingsD3D()
 {

Mercurial > mm7

comparison Render.cpp @ 2318:133882370e83