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63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
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/******************************************************************************
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pl_defs.h
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PLUSH 3D VERSION 1.2 CONSTANTS DEFINITION HEADER
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Copyright (c) 1996-2000, Justin Frankel
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******************************************************************************/
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#ifndef _PL_DEFS_H_
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#define _PL_DEFS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* pi! */
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#define PL_PI 3.14159265359
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/* Utility min() and max() functions */
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#define plMin(x,y) (( ( x ) > ( y ) ? ( y ) : ( x )))
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#define plMax(x,y) (( ( x ) < ( y ) ? ( y ) : ( x )))
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/*
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** Shade modes. Used with plMat.ShadeType
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** Note that (PL_SHADE_GOURAUD|PL_SHADE_GOURAUD_DISTANCE) and
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** (PL_SHADE_FLAT|PL_SHADE_FLAT_DISTANCE) are valid shading modes.
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*/
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#define PL_SHADE_NONE (1)
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#define PL_SHADE_FLAT (2)
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#define PL_SHADE_FLAT_DISTANCE (4)
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#define PL_SHADE_GOURAUD (8)
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#define PL_SHADE_GOURAUD_DISTANCE (16)
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/*
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** Light modes. Used with plLight.Type or plLightSet().
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** Note that PL_LIGHT_POINT_ANGLE assumes no falloff and uses the angle between
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** the light and the point, PL_LIGHT_POINT_DISTANCE has falloff with proportion
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** to distance**2 (see plLightSet() for setting it), PL_LIGHT_POINT does both.
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*/
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#define PL_LIGHT_NONE (0x0)
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#define PL_LIGHT_VECTOR (0x1)
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#define PL_LIGHT_POINT (0x2|0x4)
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#define PL_LIGHT_POINT_DISTANCE (0x2)
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#define PL_LIGHT_POINT_ANGLE (0x4)
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/* Used internally; PL_FILL_* are stored in plMat._st. */
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#define PL_FILL_SOLID (0x0)
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#define PL_FILL_TEXTURE (0x1)
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#define PL_FILL_ENVIRONMENT (0x2)
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#define PL_FILL_TRANSPARENT (0x4)
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#define PL_TEXENV_ADD (0)
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#define PL_TEXENV_MUL (1)
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#define PL_TEXENV_AVG (2)
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#define PL_TEXENV_TEXMINUSENV (3)
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#define PL_TEXENV_ENVMINUSTEX (4)
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#define PL_TEXENV_MIN (5)
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#define PL_TEXENV_MAX (6)
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_PL_DEFS_H_ */
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