mirror of
https://github.com/OpenDriver2/REDRIVER2.git
synced 2024-11-24 11:22:39 +01:00
713 lines
16 KiB
C
713 lines
16 KiB
C
#include "THISDUST.H"
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#include "DR2ROADS.H"
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sdPlane sea = { 9, 0, 16384, 0, 2048 }; // a default surface if FindSurfaceD2 fails
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// decompiled code
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// original method signature:
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// void /*$ra*/ ProcessStraightsDriver2Lump(char *lump_file /*$s0*/, int lump_size /*$a1*/)
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// line 64, offset 0x000136c0
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/* begin block 1 */
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// Start line: 65
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// Start offset: 0x000136C0
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/* end block 1 */
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// End offset: 0x000136F4
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// End Line: 69
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/* begin block 2 */
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// Start line: 659
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/* end block 2 */
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// End Line: 660
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/* begin block 3 */
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// Start line: 128
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/* end block 3 */
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// End Line: 129
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void ProcessStraightsDriver2Lump(char *lump_file,int lump_size)
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{
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Getlong((char *)&NumDriver2Straights,lump_file);
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Driver2StraightsPtr = (DRIVER2_STRAIGHT *)(lump_file + 4);
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return;
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}
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// decompiled code
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// original method signature:
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// void /*$ra*/ ProcessCurvesDriver2Lump(char *lump_file /*$s0*/, int lump_size /*$a1*/)
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// line 80, offset 0x000136f4
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/* begin block 1 */
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// Start line: 81
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// Start offset: 0x000136F4
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/* end block 1 */
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// End offset: 0x00013728
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// End Line: 85
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/* begin block 2 */
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// Start line: 681
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/* end block 2 */
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// End Line: 682
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/* begin block 3 */
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// Start line: 693
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/* end block 3 */
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// End Line: 694
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void ProcessCurvesDriver2Lump(char *lump_file,int lump_size)
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{
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Getlong((char *)&NumDriver2Curves,lump_file);
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Driver2CurvesPtr = (DRIVER2_CURVE *)(lump_file + 4);
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return;
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}
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// decompiled code
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// original method signature:
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// void /*$ra*/ ProcessJunctionsDriver2Lump(char *lump_file /*$s1*/, int lump_size /*$a1*/, int fix /*$s0*/)
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// line 94, offset 0x00013728
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/* begin block 1 */
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// Start line: 95
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// Start offset: 0x00013728
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/* begin block 1.1 */
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// Start line: 102
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// Start offset: 0x0001375C
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// Variables:
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// int loop; // $v1
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// struct OLD_DRIVER2_JUNCTION *old; // $a1
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// struct DRIVER2_JUNCTION *p; // $a0
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/* begin block 1.1.1 */
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// Start line: 107
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// Start offset: 0x00013778
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// Variables:
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// int i; // $a1
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/* end block 1.1.1 */
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// End offset: 0x000137A4
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// End Line: 113
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/* end block 1.1 */
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// End offset: 0x000137B8
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// End Line: 114
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/* end block 1 */
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// End offset: 0x000137CC
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// End Line: 115
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/* begin block 2 */
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// Start line: 713
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/* end block 2 */
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// End Line: 714
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/* begin block 3 */
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// Start line: 723
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/* end block 3 */
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// End Line: 724
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void ProcessJunctionsDriver2Lump(char *lump_file,int lump_size,int fix)
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{
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int iVar1;
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int iVar2;
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short *psVar3;
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DRIVER2_JUNCTION *pDVar4;
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DRIVER2_JUNCTION *pDVar5;
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int iVar6;
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DRIVER2_JUNCTION *pDVar7;
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Getlong((char *)&NumDriver2Junctions,lump_file);
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iVar1 = NumDriver2Junctions;
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pDVar4 = (DRIVER2_JUNCTION *)(lump_file + 4);
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Driver2JunctionsPtr = pDVar4;
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if ((fix != 0) && (iVar2 = 0, pDVar5 = pDVar4, 0 < NumDriver2Junctions)) {
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do {
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iVar2 = iVar2 + 1;
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pDVar7 = pDVar4 + 1;
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psVar3 = pDVar5[1].ExitIdx;
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iVar6 = 3;
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do {
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psVar3 = psVar3 + 1;
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iVar6 = iVar6 + -1;
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pDVar4->ExitIdx[0] = *psVar3;
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pDVar4 = (DRIVER2_JUNCTION *)(pDVar4->ExitIdx + 1);
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} while (-1 < iVar6);
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pDVar4 = pDVar7;
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pDVar5 = pDVar5 + 2;
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} while (iVar2 < iVar1);
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}
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return;
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}
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// decompiled code
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// original method signature:
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// int /*$ra*/ MapHeight(struct VECTOR *pos /*$s0*/)
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// line 146, offset 0x000137cc
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/* begin block 1 */
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// Start line: 147
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// Start offset: 0x000137CC
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// Variables:
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// int height; // $v0
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// struct _sdPlane *plane; // $v0
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/* end block 1 */
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// End offset: 0x0001380C
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// End Line: 162
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/* begin block 2 */
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// Start line: 808
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/* end block 2 */
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// End Line: 809
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/* begin block 3 */
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// Start line: 840
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/* end block 3 */
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// End Line: 841
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int MapHeight(VECTOR *pos)
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{
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_sdPlane *plane;
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int iVar1;
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plane = sdGetCell(pos);
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if (plane == (_sdPlane *)0x0) {
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iVar1 = 0;
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}
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else {
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iVar1 = sdHeightOnPlane(pos,plane);
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}
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return iVar1;
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}
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// decompiled code
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// original method signature:
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// int /*$ra*/ FindSurfaceD2(struct VECTOR *pos /*$s0*/, struct VECTOR *normal /*$s1*/, struct VECTOR *out /*$s3*/, struct _sdPlane **plane /*$s2*/)
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// line 164, offset 0x00012ef4
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/* begin block 1 */
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// Start line: 328
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/* end block 1 */
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// End Line: 329
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int FindSurfaceD2(VECTOR *pos,VECTOR *normal,VECTOR *out,_sdPlane **plane)
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{
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_sdPlane *p_Var1;
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int iVar2;
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p_Var1 = sdGetCell(pos);
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*plane = p_Var1;
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out->vx = pos->vx;
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out->vz = pos->vz;
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iVar2 = sdHeightOnPlane(pos,*plane);
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out->vy = iVar2;
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p_Var1 = *plane;
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if ((p_Var1 == (_sdPlane *)0x0) || (p_Var1->b == 0)) {
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normal->vx = 0;
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normal->vy = 0x1000;
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normal->vz = 0;
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}
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else {
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normal->vx = (int)((uint)(ushort)p_Var1->a << 0x10) >> 0x12;
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normal->vy = (int)((uint)(ushort)(*plane)->b << 0x10) >> 0x12;
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normal->vz = (int)((uint)(ushort)(*plane)->c << 0x10) >> 0x12;
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}
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if (*plane == (_sdPlane *)0x0) {
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iVar2 = 0x1000;
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}
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else {
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iVar2 = 0x1000;
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if ((*plane)->surface == 4) {
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if (((gInGameCutsceneActive == 0) || (gCurrentMissionNumber != 0x17)) ||
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(gInGameCutsceneID != 0)) {
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iVar2 = out->vy + ((((int)((uint)*(ushort *)
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((int)rcossin_tbl + ((pos->vx + pos->vz) * 8 & 0x3ff8U))
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<< 0x10) >> 0x18) / 3) * 0x10000 >> 0x10);
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}
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else {
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iVar2 = out->vy + ((int)((uint)*(ushort *)
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((int)rcossin_tbl + ((pos->vx + pos->vz) * 8 & 0x3ff8U)) <<
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0x10) >> 0x19);
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}
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out->vy = iVar2;
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iVar2 = 0x800;
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}
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}
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return iVar2;
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}
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// decompiled code
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// original method signature:
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// int /*$ra*/ sdHeightOnPlane(struct VECTOR *pos /*$t0*/, struct _sdPlane *plane /*$a1*/)
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// line 205, offset 0x000130d4
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/* begin block 1 */
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// Start line: 206
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// Start offset: 0x000130D4
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/* begin block 1.1 */
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// Start line: 216
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// Start offset: 0x00013134
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// Variables:
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// int angle; // $v0
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// int i; // $v0
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// struct DRIVER2_CURVE *curve; // $s0
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/* end block 1.1 */
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// End offset: 0x0001319C
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// End Line: 228
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/* begin block 1.2 */
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// Start line: 231
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// Start offset: 0x0001319C
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// Variables:
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// int val; // $a3
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/* begin block 1.2.1 */
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// Start line: 240
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// Start offset: 0x000131BC
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// Variables:
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// int lx; // $v0
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// int ly; // $v1
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/* end block 1.2.1 */
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// End offset: 0x00013218
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// End Line: 244
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/* end block 1.2 */
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// End offset: 0x0001322C
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// End Line: 247
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/* end block 1 */
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// End offset: 0x0001322C
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// End Line: 248
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/* begin block 2 */
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// Start line: 410
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/* end block 2 */
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// End Line: 411
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int sdHeightOnPlane(VECTOR *pos,_sdPlane *plane)
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{
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int iVar1;
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uint uVar2;
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DRIVER2_CURVE *pDVar3;
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if (plane != (_sdPlane *)0x0) {
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uVar2 = plane->d;
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if ((((int)uVar2 >> 1 ^ uVar2) & 0x40000000) != 0) {
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return uVar2 ^ 0x40000000;
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}
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if (((plane->surface & 0xe000U) == 0x4000) && (plane->b == 0)) {
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pDVar3 = Driver2CurvesPtr + (((uint)(ushort)plane->surface & 0x1fff) - 0x20);
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iVar1 = ratan2(pDVar3->Midz - pos->vz,pDVar3->Midx - pos->vx);
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iVar1 = (int)pDVar3->gradient * (iVar1 + 0x800U & 0xfff);
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if (iVar1 < 0) {
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iVar1 = iVar1 + 0xfff;
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}
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return (iVar1 >> 0xc) - (int)pDVar3->height;
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}
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iVar1 = (int)plane->b;
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if (iVar1 != 0) {
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if (iVar1 == 0x4000) {
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return -uVar2;
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}
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if (iVar1 == 0) {
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trap(7);
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}
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return -uVar2 - (int)((int)plane->a * ((pos->vx - 0x200U & 0xffff) + 0x200) +
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(int)plane->c * ((pos->vz - 0x200U & 0xffff) + 0x200)) / iVar1;
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}
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}
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return 0;
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}
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// decompiled code
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// original method signature:
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// int /*$ra*/ GetSurfaceIndex(struct VECTOR *pos /*$a0*/)
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// line 250, offset 0x0001380c
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/* begin block 1 */
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// Start line: 252
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// Start offset: 0x0001380C
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// Variables:
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// struct _sdPlane *plane; // $v0
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/* end block 1 */
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// End offset: 0x00013848
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// End Line: 260
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/* begin block 2 */
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// Start line: 959
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/* end block 2 */
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// End Line: 960
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/* begin block 3 */
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// Start line: 1048
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/* end block 3 */
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// End Line: 1049
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/* begin block 4 */
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// Start line: 1049
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/* end block 4 */
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// End Line: 1050
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/* begin block 5 */
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// Start line: 1051
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/* end block 5 */
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// End Line: 1052
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int GetSurfaceIndex(VECTOR *pos)
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{
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_sdPlane *p_Var1;
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int iVar2;
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p_Var1 = sdGetCell(pos);
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if (p_Var1 == (_sdPlane *)0x0) {
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iVar2 = -0x20;
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}
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else {
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iVar2 = (int)p_Var1->surface + -0x20;
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}
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return iVar2;
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}
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// decompiled code
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// original method signature:
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// struct _sdPlane * /*$ra*/ FindRoadInBSP(struct _sdNode *node /*$s0*/, struct _sdPlane *base /*$s1*/)
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// line 266, offset 0x000138f0
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/* begin block 1 */
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// Start line: 268
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// Start offset: 0x00013908
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// Variables:
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// struct _sdPlane *plane; // $v0
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/* end block 1 */
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// End offset: 0x00013980
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// End Line: 293
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/* begin block 2 */
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// Start line: 409
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/* end block 2 */
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// End Line: 410
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/* begin block 3 */
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// Start line: 1463
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/* end block 3 */
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// End Line: 1464
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_sdPlane * FindRoadInBSP(_sdNode *node,_sdPlane *base)
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{
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_sdPlane *p_Var1;
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while( true ) {
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if (-1 < node->angle) {
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base = base + node->angle;
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if (base->surface < 0x20) {
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base = (_sdPlane *)0x0;
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}
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return base;
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}
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p_Var1 = FindRoadInBSP((_sdNode *)&node->dist,base);
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if (p_Var1 != (_sdPlane *)0x0) break;
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node = (_sdNode *)(&node->angle + ((node->angle << 1) >> 0x18));
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}
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return p_Var1;
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}
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// decompiled code
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// original method signature:
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// int /*$ra*/ RoadInCell(struct VECTOR *pos /*$s5*/)
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// line 295, offset 0x0001322c
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/* begin block 1 */
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// Start line: 296
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// Start offset: 0x0001322C
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// Variables:
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// char *buffer; // $s2
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// struct XYPAIR cellPos; // stack offset -48
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// struct XYPAIR cell; // stack offset -40
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// short *surface; // $a0
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// struct _sdPlane *plane; // $s0
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/* begin block 1.1 */
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// Start line: 331
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// Start offset: 0x00013318
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// Variables:
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// int moreLevels; // $s3
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// short *check; // $s1
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// struct _sdPlane *base; // $s4
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/* end block 1.1 */
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// End offset: 0x000133E4
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// End Line: 372
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/* end block 1 */
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// End offset: 0x0001346C
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// End Line: 389
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/* begin block 2 */
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// Start line: 549
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/* end block 2 */
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// End Line: 550
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/* begin block 3 */
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// Start line: 550
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/* end block 3 */
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// End Line: 551
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/* begin block 4 */
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// Start line: 598
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/* end block 4 */
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// End Line: 599
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int RoadInCell(VECTOR *pos)
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{
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bool bVar1;
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short sVar2;
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ushort uVar3;
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_sdPlane *plane;
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int iVar4;
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int iVar5;
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uint uVar6;
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ushort *puVar7;
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short *psVar8;
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iVar4 = pos->vx + -0x200;
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iVar5 = pos->vz + -0x200;
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psVar8 = RoadMapDataRegions4
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[iVar4 >> 0x10 & 1U ^ (cells_across >> 6 & 1U) + (iVar5 >> 0xf & 2U) ^
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cells_down >> 5 & 2U];
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if (*psVar8 == 2) {
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puVar7 = (ushort *)(psVar8 + (iVar4 >> 10 & 0x3fU) + (iVar5 >> 10 & 0x3fU) * 0x40 + 4);
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uVar6 = SEXT24((short)*puVar7);
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uVar3 = *puVar7;
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if (uVar6 == 0xffffffff) {
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return -1;
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}
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if ((uVar3 & 0xe000) == 0) {
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plane = (_sdPlane *)((int)psVar8 + uVar6 * 0xc + (int)psVar8[1]);
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}
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else {
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if ((uVar6 & 0x8000) != 0) {
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sVar2 = psVar8[1];
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bVar1 = ((uint)uVar3 & 0x6000) == 0x2000;
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if (bVar1) {
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puVar7 = (ushort *)((int)psVar8 + ((uint)uVar3 & 0x1fff) * 2 + (int)psVar8[2] + 2);
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goto LAB_0001335c;
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}
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LAB_00013370:
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uVar3 = *puVar7;
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if ((uVar3 & 0x4000) == 0) {
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plane = (_sdPlane *)((int)psVar8 + (int)sVar2) + (short)uVar3;
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if (0x1f < plane->surface) goto LAB_0001340c;
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}
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else {
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plane = FindRoadInBSP((_sdNode *)
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((int)psVar8 + ((uint)uVar3 & 0x3fff) * 4 + (int)psVar8[3]),
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(_sdPlane *)((int)psVar8 + (int)sVar2));
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if (plane != (_sdPlane *)0x0) goto LAB_00013414;
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}
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puVar7 = puVar7 + 2;
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if (!bVar1) goto LAB_0001340c;
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LAB_0001335c:
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if (puVar7[-1] == 0x8000) {
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bVar1 = false;
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}
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goto LAB_00013370;
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}
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plane = (_sdPlane *)0x0;
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}
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LAB_0001340c:
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if (plane == (_sdPlane *)0x0) {
|
|
return -1;
|
|
}
|
|
LAB_00013414:
|
|
if (0x1f < plane->surface) {
|
|
iVar4 = sdHeightOnPlane(pos,plane);
|
|
pos->vy = iVar4 + 0x100;
|
|
return (int)plane->surface + -0x20;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
|
|
|
|
// decompiled code
|
|
// original method signature:
|
|
// struct _sdPlane * /*$ra*/ sdGetCell(struct VECTOR *pos /*$s3*/)
|
|
// line 400, offset 0x0001346c
|
|
/* begin block 1 */
|
|
// Start line: 401
|
|
// Start offset: 0x0001346C
|
|
// Variables:
|
|
// char *buffer; // $s1
|
|
// short *surface; // $s0
|
|
// int nextLevel; // $s2
|
|
// struct _sdPlane *plane; // $a1
|
|
// struct XYPAIR cell; // stack offset -40
|
|
// struct XYPAIR cellPos; // stack offset -32
|
|
|
|
/* begin block 1.1 */
|
|
// Start line: 441
|
|
// Start offset: 0x0001355C
|
|
// Variables:
|
|
// int y; // $a0
|
|
/* end block 1.1 */
|
|
// End offset: 0x000135B8
|
|
// End Line: 456
|
|
|
|
/* begin block 1.2 */
|
|
// Start line: 463
|
|
// Start offset: 0x000135CC
|
|
// Variables:
|
|
// short *BSPsurface; // $a0
|
|
/* end block 1.2 */
|
|
// End offset: 0x00013634
|
|
// End Line: 481
|
|
/* end block 1 */
|
|
// End offset: 0x000136C0
|
|
// End Line: 502
|
|
|
|
/* begin block 2 */
|
|
// Start line: 828
|
|
/* end block 2 */
|
|
// End Line: 829
|
|
|
|
/* begin block 3 */
|
|
// Start line: 840
|
|
/* end block 3 */
|
|
// End Line: 841
|
|
|
|
/* begin block 4 */
|
|
// Start line: 852
|
|
/* end block 4 */
|
|
// End Line: 853
|
|
|
|
_sdPlane * sdGetCell(VECTOR *pos)
|
|
|
|
{
|
|
bool bVar1;
|
|
_sdPlane *plane;
|
|
short *psVar2;
|
|
ushort *puVar3;
|
|
ushort *puVar4;
|
|
short *psVar5;
|
|
XYPAIR local_20;
|
|
|
|
sdLevel = 0;
|
|
local_20.x = pos->vx - 0x200;
|
|
local_20.y = pos->vz - 0x200;
|
|
psVar5 = RoadMapDataRegions4
|
|
[(int)local_20.x >> 0x10 & 1U ^ (cells_across >> 6 & 1U) + ((int)local_20.y >> 0xf & 2U)
|
|
^ cells_down >> 5 & 2U];
|
|
plane = (_sdPlane *)0x0;
|
|
if (*psVar5 == 2) {
|
|
puVar3 = (ushort *)
|
|
(psVar5 + ((int)local_20.x >> 10 & 0x3fU) + ((int)local_20.y >> 10 & 0x3fU) * 0x40 + 4)
|
|
;
|
|
if (*puVar3 == 0xffff) {
|
|
plane = &sea;
|
|
}
|
|
else {
|
|
if (((uint)*puVar3 & 0x6000) == 0x2000) {
|
|
psVar2 = (short *)((int)psVar5 + ((uint)*puVar3 & 0x1fff) * 2 + (int)psVar5[2]);
|
|
do {
|
|
if (-0x100 - pos->vy <= (int)*psVar2) break;
|
|
psVar2 = psVar2 + 2;
|
|
sdLevel = sdLevel + 1;
|
|
} while (*psVar2 != -0x8000);
|
|
puVar3 = (ushort *)(psVar2 + 1);
|
|
}
|
|
do {
|
|
bVar1 = false;
|
|
puVar4 = puVar3;
|
|
if ((*puVar3 & 0x4000) != 0) {
|
|
local_20.x = local_20.x & 0x3ff;
|
|
local_20.y = local_20.y & 0x3ff;
|
|
puVar4 = (ushort *)
|
|
sdGetBSP((_sdNode *)((int)psVar5 + ((uint)*puVar3 & 0x3fff) * 4 + (int)psVar5[3])
|
|
,&local_20);
|
|
if (*puVar4 == 0x7fff) {
|
|
sdLevel = sdLevel + 1;
|
|
bVar1 = true;
|
|
puVar4 = puVar3 + 2;
|
|
}
|
|
}
|
|
puVar3 = puVar4;
|
|
} while (bVar1);
|
|
plane = (_sdPlane *)((int)psVar5 + (int)(short)*puVar4 * 0xc + (int)psVar5[1]);
|
|
if ((((uint)plane & 3) == 0) && (*(int *)plane != -1)) {
|
|
if ((uint)(ushort)plane->surface - 0x10 < 0x10) {
|
|
plane = EventSurface(pos,plane);
|
|
}
|
|
}
|
|
else {
|
|
plane = &sea;
|
|
}
|
|
}
|
|
}
|
|
return plane;
|
|
}
|
|
|
|
|
|
|
|
// decompiled code
|
|
// original method signature:
|
|
// short * /*$ra*/ sdGetBSP(struct _sdNode *node /*$a3*/, struct XYPAIR *pos /*$a1*/)
|
|
// line 505, offset 0x00013848
|
|
/* begin block 1 */
|
|
// Start line: 506
|
|
// Start offset: 0x00013848
|
|
|
|
/* begin block 1.1 */
|
|
// Start line: 509
|
|
// Start offset: 0x00013870
|
|
// Variables:
|
|
// int dot; // $a0
|
|
/* end block 1.1 */
|
|
// End offset: 0x000138D4
|
|
// End Line: 522
|
|
/* end block 1 */
|
|
// End offset: 0x000138F0
|
|
// End Line: 524
|
|
|
|
/* begin block 2 */
|
|
// Start line: 1560
|
|
/* end block 2 */
|
|
// End Line: 1561
|
|
|
|
short * sdGetBSP(_sdNode *node,XYPAIR *pos)
|
|
|
|
{
|
|
uint uVar1;
|
|
uint uVar2;
|
|
|
|
uVar2 = node->angle;
|
|
if ((int)uVar2 < 0) {
|
|
do {
|
|
uVar1 = (int)(uVar2 << 0x15) >> 0x13 & 0x3ffc;
|
|
if (pos->y * (int)*(short *)((int)rcossin_tbl + uVar1 + 2) -
|
|
pos->x * (int)*(short *)((int)rcossin_tbl + uVar1) < ((int)(uVar2 << 9) >> 0x14) << 0xc) {
|
|
node = (_sdNode *)&node->dist;
|
|
}
|
|
else {
|
|
node = (_sdNode *)(&node->angle + ((int)(uVar2 << 1) >> 0x18));
|
|
}
|
|
uVar2 = node->angle;
|
|
} while ((uVar2 & 0x80000000) != 0);
|
|
}
|
|
return (short *)node;
|
|
}
|
|
|
|
|
|
|
|
|
|
|