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79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
#pragma once
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// For the static assert macro
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#include "macros.h"
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/**
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* World scale value. This allows you to scale down geometry by the given amount, which allows for larger levels
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* without the distortion you would otherwise get. Larger world scale comes at a cost of precision, which
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* can increase Z-fighting. Values above 4 should not be necessary.
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*
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* Uncomment this out to specifically set it, otherwise world scale will be based off of your extended bounds mode.
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*/
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// #define WORLD_SCALE 1
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/**
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* 0: Regular bounds
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* Same as vanilla sm64, boundaries are (-8192 to 8191)
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* 16x16 collision cells.
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* 1: 2x extended bounds
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* level boundaries are twice as big (-16384 to 16383)
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* Collision calculations remain as fast as vanilla, at the cost of using more RAM.
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* 32x32 collision cells.
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* 2: Regular bounds (performance)
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* Same boundaries as vanilla (-8192 to 8191), but with twice the amount of collision cells
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* Trades more RAM usage for faster collision calculations.
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* 32x32 collision cells.
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* 3: 4x extended bounds
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* level boundaries are 4 times as big (-32768 to 32767)
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* Collision calculations remain as fast as vanilla, at the cost of using far more RAM (16 times vanilla).
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* 64x64 collision cells.
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*/
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/**
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* Set this to the extended bounds mode you want, then do "make clean".
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*/
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#define EXTENDED_BOUNDS_MODE 1
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/**************************************************************************
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* Don't touch the stuff past this point unless you know what you're doing!
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**************************************************************************/
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#if EXTENDED_BOUNDS_MODE == 0 // 1x, normal cell size
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#define LEVEL_BOUNDARY_MAX 0x2000L // 8192
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#define CELL_SIZE 0x400 // 1024, NUM_CELLS = 16
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#ifndef WORLD_SCALE
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#define WORLD_SCALE 1
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#endif
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#elif EXTENDED_BOUNDS_MODE == 1 // 2x, normal cell size
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#define LEVEL_BOUNDARY_MAX 0x4000L // 16384
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#define CELL_SIZE 0x400 // 1024, NUM_CELLS = 32
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#ifndef WORLD_SCALE
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#define WORLD_SCALE 2
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#endif
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#elif EXTENDED_BOUNDS_MODE == 2 // 1x, smaller cell size
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#define LEVEL_BOUNDARY_MAX 0x2000L // 8192
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#define CELL_SIZE 0x200 // 512, NUM_CELLS = 32
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#ifndef WORLD_SCALE
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#define WORLD_SCALE 1
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#endif
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#elif EXTENDED_BOUNDS_MODE == 3 // 4x, normal cell size
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#define LEVEL_BOUNDARY_MAX 0x8000L // 32768
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#define CELL_SIZE 0x400 // 1024, NUM_CELLS = 64
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#ifndef WORLD_SCALE
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#define WORLD_SCALE 4
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#endif
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#endif
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STATIC_ASSERT(((EXTENDED_BOUNDS_MODE >= 0) && (EXTENDED_BOUNDS_MODE <= 3)), "You must set a valid extended bounds mode!");
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/**
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* The amount of cells in each axis in an area.
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*/
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#define NUM_CELLS (2 * LEVEL_BOUNDARY_MAX / CELL_SIZE)
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/**
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* Use this to convert game units to cell coordinates.
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*/
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#define GET_CELL_COORD(p) ((((s32)(p) + LEVEL_BOUNDARY_MAX) / CELL_SIZE) & (NUM_CELLS - 1))
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