121 lines
2.5 KiB
C++
121 lines
2.5 KiB
C++
#include <stdio.h>
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#include <string>
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#define AI_WONT_RETURN
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#include "../DSMeshConvert/assimp--1.1.700-sdk/include/aiVector3D.h"
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#include "../DSMeshConvert/assimp--1.1.700-sdk/include/aiMatrix4x4.h"
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#include "../DSMeshConvert/assimp--1.1.700-sdk/include/aiMatrix4x4.inl"
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typedef unsigned int u32;
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typedef signed int s32;
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int main(int argc, char** argv)
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{
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if ( argc != 2 )
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{
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fprintf(stderr, "Usage: %s <file.msh>\n", argv[0]);
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return 42;
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}
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FILE* f = fopen(argv[1], "rb");
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if ( ! f )
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{
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fprintf(stderr, "Could not open %s\n", argv[1]);
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return 1;
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}
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fseek(f, 0, SEEK_END);
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u32 len = ftell(f) / 4;
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fseek(f, 0, SEEK_SET);
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u32* list = new u32[len];
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u32* start = list;
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u32* end = list + len;
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fread(list, 4, len, f);
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aiMatrix4x4 mtx;
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float* pMtx = (float*)(&mtx);
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u32 index = 0;
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u32 command = *list++;
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while ( list < end )
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{
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u32 c = (command >> index) & 0xFF;
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switch ( c )
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{
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case 0x19: // mul mtx 4x3
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{
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printf("mul4x3 ");
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for ( u32 i = 0 ; i < 4 ; i++ )
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{
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for ( u32 j = 0 ; j < 3 ; j++ )
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{
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s32 v = *list++;
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float value = v / float(1 << 12);
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pMtx[i*4+j] = value;
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printf("%f ", value);
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}
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printf("%f ", 0);
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}
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printf("\n");
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break;
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}
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case 0x21: // normal
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{
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s32 n = *list;
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s32 nx = n & 0x3FF; if ( nx > 0x200 ) nx -= 0x200;
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s32 ny = (n >> 10) & 0x3FF; if ( ny >= 0x200 ) ny -= 0x400;
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s32 nz = (n >> 20) & 0x3FF; if ( nz >= 0x200 ) nz -= 0x400;
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printf("normal %f %f %f\n",
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nx / float(1 << 9),
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ny / float(1 << 9),
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nz / float(1 << 9));
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break;
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}
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case 0x22: // tex coord
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{
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s32 t = *list++;
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s32 tx = t & 0xFFFF;
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s32 ty = (t >> 16) & 0xFFFF;
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printf("texcoord %f %f\n", tx / float(1 << 15), ty / float(1 << 15));
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break;
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}
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case 0x24: // vtx 10
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{
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s32 v = *list++;
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s32 vx = v & 0x3FF; if ( vx > 0x200 ) vx -= 0x200;
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s32 vy = (v >> 10) & 0x3FF; if ( vy >= 0x200 ) vy -= 0x400;
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s32 vz = (v >> 20) & 0x3FF; if ( vz >= 0x200 ) vz -= 0x400;
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//printf("vtx10 %f %f %f\n",
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// vx / float(1 << 6),
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// vy / float(1 << 6),
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// vz / float(1 << 6));
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aiVector3D vec(vx / float(1 << 6), vy / float(1 << 6), vz / float(1 << 6));
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vec *= mtx;
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printf("vtx10 %f %f %f\n", vec.x, vec.y, vec.z);
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printf("");
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break;
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}
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case 0x40: // begin
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{
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printf("begin %s\n", *list++ ? "strip" : "list");
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break;
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}
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default:
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{
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printf("Unknown command %x\n", c);
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}
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}
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index += 8;
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if ( index == 32 )
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{
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index = 0;
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command = *list++;
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}
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}
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delete[] start;
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return 0;
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} |