surface_collision.h

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#ifndef _SURFACE_COLLISION_H
#define _SURFACE_COLLISION_H

#define LEVEL_BOUNDARY_MAX 0x2000
#define CELL_SIZE          0x400

struct WallCollisionData
{
    /*0x00*/ f32 x, y, z;
    /*0x0C*/ f32 offsetY;
    /*0x10*/ f32 radius;
    /*0x14*/ s16 unk14;
    /*0x16*/ s16 numWalls;
    /*0x18*/ struct Surface *walls[4];
};

struct FloorGeometry
{
    f32 unused[4]; // possibly position data?
    f32 normalX;
    f32 normalY;
    f32 normalZ;
    f32 originOffset;
};

s32 f32_find_wall_collision(f32 *xPtr, f32 *yPtr, f32 *zPtr, f32 offsetY, f32 radius);
s32 find_wall_collisions(struct WallCollisionData *colData);
f32 find_ceil(f32 posX, f32 posY, f32 posZ, struct Surface **pceil);
f32 find_floor_height_and_data(f32 xPos, f32 yPos, f32 zPos, struct FloorGeometry **floorGeo);
f32 find_floor_height(f32 x, f32 y, f32 z);
f32 find_floor(f32 xPos, f32 yPos, f32 zPos, struct Surface **pfloor);
f32 find_water_level(f32 x, f32 z);
f32 find_poison_gas_level(f32 x, f32 z);
void debug_surface_list_info(f32 xPos, f32 zPos);


#endif /* _SURFACE_COLLISION_H */