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comparison mm7_6.cpp @ 1784:d73f4668ef94

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BuildingVerticesClipping
author Ritor1
date Thu, 03 Oct 2013 18:07:55 +0600
parents 53c0453f4eb2
children 11f36943e818
comparison
equal deleted inserted replaced
1765:53c0453f4eb2 1784:d73f4668ef94
41 #include "mm7_data.h" 41 #include "mm7_data.h"
42 42
43 43
44 44
45 //----- (00424EE0) -------------------------------------------------------- 45 //----- (00424EE0) --------------------------------------------------------
46 int __fastcall sr_424EE0_MakeFanFromTriangle(unsigned int uVertexID) 46 int BuildingVerticesClipping(unsigned int uNumVertices)
47 { 47 {
48 //unsigned int v1; // edx@1 48 signed int previous_vertices_flag; // edi@1
49 double v2; // st7@1 49 double t; // st6@10
50 signed int v3; // edi@1 50 bool current_vertices_flag; // [sp+Ch] [bp-28h]@6
51 char *v4; // esi@4 51 signed int depth_num_vertices; // [sp+18h] [bp-1Ch]@1
52 char *v5; // ecx@4 52 int pNextVertices;
53 //unsigned int v6; // eax@4 53 //Доп инфо "Программирование трёхмерных игр для windows" Ламот стр 910
54 char *v7; // edx@4 54
55 double v8; // st6@10 55 memcpy(&array_50AC10[uNumVertices], array_50AC10, sizeof(array_50AC10[uNumVertices]));
56 double v9; // st5@10 56 depth_num_vertices = 0;
57 double v10; // st6@11 57 previous_vertices_flag = 0;
58 unsigned __int8 v11; // c2@15 58 if ( array_50AC10[0].vWorldViewPosition.x <= pODMRenderParams->shading_dist_mist )
59 unsigned __int8 v12; // c3@15 59 previous_vertices_flag = 1;//предыдущая грань меньше границы видимости
60 void *v13; // edi@22 60 if ( (signed int)uNumVertices <= 0 )
61 char *v14; // eax@22
62 double v15; // st6@22
63 char *v16; // ecx@22
64 signed int result; // eax@24
65 unsigned int v18; // [sp+8h] [bp-2Ch]@4
66 bool v19; // [sp+Ch] [bp-28h]@6
67 char *v20; // [sp+10h] [bp-24h]@4
68 char *v21; // [sp+14h] [bp-20h]@4
69 signed int v22; // [sp+18h] [bp-1Ch]@1
70 char *v23; // [sp+1Ch] [bp-18h]@4
71 RenderVertexSoft *v24; // [sp+20h] [bp-14h]@4
72 char *v25; // [sp+24h] [bp-10h]@4
73 char *v26; // [sp+28h] [bp-Ch]@4
74 char *v27; // [sp+2Ch] [bp-8h]@4
75 char *v28; // [sp+30h] [bp-4h]@4
76
77 v2 = (double)pODMRenderParams->shading_dist_mist;
78 memcpy(&array_50AC10[uVertexID], array_50AC10, sizeof(array_50AC10[uVertexID]));
79 v3 = 0;
80 v22 = 0;
81 if ( array_50AC10[0].vWorldViewPosition.x <= (double)pODMRenderParams->shading_dist_mist )
82 v3 = 1;
83 if ( (signed int)(uVertexID + 1) <= 1 )
84 return 0; 61 return 0;
85 v4 = (char *)&array_507D30[0].vWorldViewPosition.z; 62 for ( uint i = 1; i <= uNumVertices; ++i )
86 v5 = (char *)&array_507D30[0].vWorldViewPosition.y; 63 {
87 v23 = (char *)&array_507D30[0].flt_2C; 64 current_vertices_flag = pODMRenderParams->shading_dist_mist >= array_50AC10[i].vWorldViewPosition.x;
88 v26 = (char *)&array_507D30[0]._rhw; 65 if ( previous_vertices_flag != current_vertices_flag )//одна из граней за границей видимости
89 v24 = array_507D30; 66 {
90 v20 = (char *)&array_507D30[0].vWorldViewPosition.z; 67 if ( current_vertices_flag )//текущая грань меньше границы видимости(предыдущая грань за пределами видимости)
91 v21 = (char *)&array_507D30[0].vWorldViewPosition.y; 68 {
92 v25 = (char *)&array_507D30[0].vWorldViewPosition; 69 //t = far_clip - v0.x / v1.x - v0.x (формула получения точки пересечения отрезка с плоскостью)
93 v27 = (char *)&array_507D30[0].v; 70 t = (pODMRenderParams->shading_dist_mist - array_50AC10[i - 1].vWorldViewPosition.x) / (array_50AC10[i].vWorldViewPosition.x - array_50AC10[i - 1].vWorldViewPosition.x);
94 v28 = (char *)&array_507D30[0].u; 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;
95 v7 = (char *)&array_50AC10[0].v; 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;
96 for ( v18 = 1; v18 <= uVertexID; ++v18 ) 73 array_507D30[depth_num_vertices].u = (array_50AC10[i].u - array_50AC10[i - 1].u) * t + array_50AC10[i - 1].u;
97 { 74 array_507D30[depth_num_vertices].v = (array_50AC10[i].v - array_50AC10[i - 1].v) * t + array_50AC10[i - 1].v;
98 v19 = v2 >= array_50AC10[v18].vWorldViewPosition.x; 75 }
99 if ( v3 != v19 ) 76 else//предыдущая грань меньше границы видимости(текущая грань вышла за пределы видимости)
100 { 77 {
101 if ( v19 ) 78 //t = far_clip - v1.x / v0.x - v1.x
102 { 79 t = (pODMRenderParams->shading_dist_mist - array_50AC10[i].vWorldViewPosition.x) / (array_50AC10[i - 1].vWorldViewPosition.x - array_50AC10[i].vWorldViewPosition.x);
103 v8 = (v2 - array_50AC10[v18 - 1].vWorldViewPosition.x) / (array_50AC10[v18].vWorldViewPosition.x - array_50AC10[v18 - 1].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;
104 *(float *)v5 = (array_50AC10[v18].vWorldViewPosition.y - array_50AC10[v18 - 1].vWorldViewPosition.y) * v8 + array_50AC10[v18 - 1].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;
105 *(float *)v4 = (array_50AC10[v18].vWorldViewPosition.z - array_50AC10[v18 - 1].vWorldViewPosition.z) * v8 + array_50AC10[v18 - 1].vWorldViewPosition.z; 82 array_507D30[depth_num_vertices].u = (array_50AC10[i - 1].u - array_50AC10[i].u) * t + array_50AC10[i].u;
106 *(float *)v28 = (array_50AC10[v18].u - array_50AC10[v18 - 1].u) * v8 + array_50AC10[v18 - 1].u; 83 array_507D30[depth_num_vertices].v = (array_50AC10[i - 1].v - array_50AC10[i].v) * t + array_50AC10[i].v;
107 v9 = (array_50AC10[v18].v - array_50AC10[v18 - 1].v) * v8 + array_50AC10[v18 - 1].v; 84 }
108 } 85 array_507D30[depth_num_vertices].vWorldViewPosition.x = pODMRenderParams->shading_dist_mist;
109 else 86 array_507D30[depth_num_vertices]._rhw = 1.0 / pODMRenderParams->shading_dist_mist;
110 { 87 ++depth_num_vertices;
111 v10 = (v2 - array_50AC10[v18].vWorldViewPosition.x) / (array_50AC10[v18 - 1].vWorldViewPosition.x - array_50AC10[v18].vWorldViewPosition.x); 88 }
112 *(float *)v5 = (array_50AC10[v18 - 1].vWorldViewPosition.y - array_50AC10[v18].vWorldViewPosition.y) * v10 + array_50AC10[v18].vWorldViewPosition.y; 89 if ( current_vertices_flag )//оба в границе видимости
113 *(float *)v4 = (array_50AC10[v18 - 1].vWorldViewPosition.z - array_50AC10[v18].vWorldViewPosition.z) * v10 + array_50AC10[v18].vWorldViewPosition.z; 90 {
114 *(float *)v28 = (array_50AC10[v18 - 1].u - array_50AC10[v18].u) * v10 + array_50AC10[v18].u; 91 pNextVertices = depth_num_vertices++;
115 v9 = (array_50AC10[v18 - 1].v - array_50AC10[v18].v) * v10 + array_50AC10[v18].v; 92 memcpy(&array_507D30[pNextVertices], &array_50AC10[i], 0x30);
116 } 93 }
117 *(float *)v27 = v9; 94 previous_vertices_flag = current_vertices_flag;
118 *(float *)v25 = v2; 95 }
119 *(float *)v26 = 1.0 / v2; 96 if ( depth_num_vertices < 3 )
120 if ( v3 )
121 {
122 if ( v2 == *((float *)v7 - 7) && *(float *)v5 == *((float *)v7 - 6) )
123 {
124 v11 = 0;
125 v12 = *(float *)v4 == *((float *)v7 - 5);
126 if ( ! (v12 | v11) )
127 {
128 v26 += 48;
129 ++v24;
130 v25 += 48;
131 v27 += 48;
132 v28 += 48;
133 v5 += 48;
134 v4 += 48;
135 ++v22;
136 v23 += 48;
137 v21 = v5;
138 v20 = v4;
139 }
140 }
141 }
142 else
143 {
144 if ( v2 == *((float *)v7 + 5) && *(float *)v5 == *((float *)v7 + 6) )
145 {
146 v11 = 0;
147 v12 = *(float *)v4 == *((float *)v7 + 7);
148 if ( !(v12 | v11) )
149 {
150 v26 += 48;
151 ++v24;
152 v25 += 48;
153 v27 += 48;
154 v28 += 48;
155 v5 += 48;
156 v4 += 48;
157 ++v22;
158 v23 += 48;
159 v21 = v5;
160 v20 = v4;
161 }
162 }
163 }
164 v26 += 48;
165 ++v24;
166 v25 += 48;
167 v27 += 48;
168 v28 += 48;
169 v5 += 48;
170 v4 += 48;
171 ++v22;
172 v23 += 48;
173 v21 = v5;
174 v20 = v4;
175 }
176 if ( v19 )
177 {
178 v13 = v24;
179 v14 = v26;
180 v21 += 48;
181 v15 = 1.0 / (*((float *)v7 + 5) + 0.0000001);
182 v20 += 48;
183 ++v22;
184 v28 += 48;
185 v27 += 48;
186 v25 += 48;
187 ++v24;
188 v26 += 48;
189 memcpy(v13, v7 + 8, 0x30u);
190 v16 = v23;
191 v23 += 48;
192 v4 = v20;
193 *(float *)v14 = v15;
194 *(int *)v16 = *((int *)v7 + 13);
195 v5 = v21;
196 }
197 v3 = v19;
198 v7 += 48;
199 //--v18;
200 }
201 //while ( v18 );
202 result = v22;
203 if ( v22 < 3 )
204 return 0; 97 return 0;
205 return result; 98 return depth_num_vertices;
206 } 99 }
207
208 100
209 //----- (00426A5A) -------------------------------------------------------- 101 //----- (00426A5A) --------------------------------------------------------
210 void stru319::LootActor(Actor *pActor) 102 void stru319::LootActor(Actor *pActor)
211 { 103 {
212 signed int v2; // edi@1 104 signed int v2; // edi@1