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comparison mm7_6.cpp @ 1787:0c4d3c6a9d5a

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DrawBuildingsD3D cleared
author Ritor1
date Fri, 04 Oct 2013 17:30:47 +0600
parents 11f36943e818
children bdac32c645c5
comparison
equal deleted inserted replaced
1786:11f36943e818 1787:0c4d3c6a9d5a
39 #include "texts.h" 39 #include "texts.h"
40 40
41 #include "mm7_data.h" 41 #include "mm7_data.h"
42 42
43 43
44
45 //----- (00424EE0) --------------------------------------------------------
46 int BuildingVerticesClipping(unsigned int uNumVertices)
47 {
48 signed int previous_vertices_flag; // edi@1
49 double t; // st6@10
50 bool current_vertices_flag; // [sp+Ch] [bp-28h]@6
51 signed int depth_num_vertices; // [sp+18h] [bp-1Ch]@1
52 int pNextVertices;
53 //Доп инфо "Программирование трёхмерных игр для windows" Ламот стр 910
54
55 memcpy(&array_50AC10[uNumVertices], array_50AC10, sizeof(array_50AC10[uNumVertices]));
56 depth_num_vertices = 0;
57 previous_vertices_flag = 0;
58 if ( array_50AC10[0].vWorldViewPosition.x <= pODMRenderParams->shading_dist_mist )
59 previous_vertices_flag = 1;//предыдущая грань меньше границы видимости
60 if ( (signed int)uNumVertices <= 0 )
61 return 0;
62 for ( uint i = 1; i <= uNumVertices; ++i )
63 {
64 current_vertices_flag = pODMRenderParams->shading_dist_mist >= array_50AC10[i].vWorldViewPosition.x;
65 if ( previous_vertices_flag != current_vertices_flag )//одна из граней за границей видимости
66 {
67 if ( current_vertices_flag )//текущая грань меньше границы видимости(предыдущая грань за пределами видимости)
68 {
69 //t = far_clip - v0.x / v1.x - v0.x (формула получения точки пересечения отрезка с плоскостью)
70 t = (pODMRenderParams->shading_dist_mist - array_50AC10[i - 1].vWorldViewPosition.x) / (array_50AC10[i].vWorldViewPosition.x - array_50AC10[i - 1].vWorldViewPosition.x);
71 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;
72 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;
73 array_507D30[depth_num_vertices].u = (array_50AC10[i].u - array_50AC10[i - 1].u) * t + array_50AC10[i - 1].u;
74 array_507D30[depth_num_vertices].v = (array_50AC10[i].v - array_50AC10[i - 1].v) * t + array_50AC10[i - 1].v;
75 }
76 else//предыдущая грань меньше границы видимости(текущая грань вышла за пределы видимости)
77 {
78 //t = far_clip - v1.x / v0.x - v1.x
79 t = (pODMRenderParams->shading_dist_mist - array_50AC10[i].vWorldViewPosition.x) / (array_50AC10[i - 1].vWorldViewPosition.x - array_50AC10[i].vWorldViewPosition.x);
80 array_507D30[depth_num_vertices].vWorldViewPosition.y = (array_50AC10[i - 1].vWorldViewPosition.y - array_50AC10[i].vWorldViewPosition.y) * t + array_50AC10[i].vWorldViewPosition.y;
81 array_507D30[depth_num_vertices].vWorldViewPosition.z = (array_50AC10[i - 1].vWorldViewPosition.z - array_50AC10[i].vWorldViewPosition.z) * t + array_50AC10[i].vWorldViewPosition.z;
82 array_507D30[depth_num_vertices].u = (array_50AC10[i - 1].u - array_50AC10[i].u) * t + array_50AC10[i].u;
83 array_507D30[depth_num_vertices].v = (array_50AC10[i - 1].v - array_50AC10[i].v) * t + array_50AC10[i].v;
84 }
85 array_507D30[depth_num_vertices].vWorldViewPosition.x = pODMRenderParams->shading_dist_mist;
86 array_507D30[depth_num_vertices]._rhw = 1.0 / pODMRenderParams->shading_dist_mist;
87 ++depth_num_vertices;
88 }
89 if ( current_vertices_flag )//оба в границе видимости
90 {
91 pNextVertices = depth_num_vertices++;
92 memcpy(&array_507D30[pNextVertices], &array_50AC10[i], 0x30);
93 }
94 previous_vertices_flag = current_vertices_flag;
95 }
96 if ( depth_num_vertices < 3 )
97 return 0;
98 return depth_num_vertices;
99 }
100 44
101 //----- (00426A5A) -------------------------------------------------------- 45 //----- (00426A5A) --------------------------------------------------------
102 void stru319::LootActor(Actor *pActor) 46 void stru319::LootActor(Actor *pActor)
103 { 47 {
104 signed int v2; // edi@1 48 signed int v2; // edi@1