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Attempt to decompile cdFindGroundInTileType0

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This commit is contained in:
Ryan Dwyer
2021-05-15 23:41:17 +10:00
parent 4becf1d019
commit 4ab1c2a35c
2 changed files with 38 additions and 1 deletions
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src/include/lib/lib_24e40.h
+1 -1
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@@ -31,7 +31,7 @@ void func00025848(f32 tilex, f32 tilez, f32 tilewidth, f32 posx, f32 posz, f32 *
void func00025928(struct tile *tile, struct coord *arg1);
void tileGetFloorCol(struct tile *tile, u16 *floorcol);
void tileGetFloorType(struct tile *tile, u8 *floortype);
u32 func00025c74(void);
f32 func00025c74(struct tiletype0 *tile, f32 x, f32 z, s32 vertexindex);
f32 cdFindGroundInTileType0(struct tiletype0 *tile, f32 x, f32 z);
f32 cdFindGroundInTileType1(struct tiletype1 *tile, f32 x, f32 z);
bool cdIs2dPointInTileType0(struct tiletype0 *tile, f32 x, f32 z);
src/lib/lib_24e40.c
+37
View File
@@ -1055,6 +1055,43 @@ glabel cdFindGroundInTileType0
/* 260c8: 27bd0028 */ addiu $sp,$sp,0x28
);
// Mismatch: regalloc, and operators for second mult are swapped
//f32 cdFindGroundInTileType0(struct tiletype0 *tile, f32 x, f32 z)
//{
// s32 i = 1;
// s32 ival = -1;
// f32 tmpx;
// f32 tmpz;
// f32 fval;
//
// if (tile->header.numvertices >= 4) {
// while (i < tile->header.numvertices) { \
// tmpz = tile->vertices[i][2];
// tmpx = tile->vertices[i][0];
//
// fval =
// (tile->vertices[0][2] - tmpz) * (x - tmpx) -
// (tile->vertices[0][0] - tmpx) * (z - tmpz);
//
// if (fval != 0) {
// if (ival < 0) {
// ival = (fval > 0);
// } else if (ival != 0 && fval < 0) {
// i--;
// break;
// } else if (ival == 0 && fval > 0) {
// i--;
// break;
// }
// }
//
// i++;
// }
// }
//
// return func00025c74(tile, x, z, i);
//}
f32 cdFindGroundInTileType1(struct tiletype1 *tile, f32 x, f32 z)
{
struct coord sp24;