466 lines
15 KiB
C++
466 lines
15 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_MD2_LOADER_
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#include "CAnimatedMeshMD2.h"
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#include "SColor.h"
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#include "irrMath.h"
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namespace irr
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{
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namespace scene
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{
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const s32 MD2_FRAME_SHIFT = 2;
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const f32 MD2_FRAME_SHIFT_RECIPROCAL = 1.f / (1 << MD2_FRAME_SHIFT);
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const s32 Q2_VERTEX_NORMAL_TABLE_SIZE = 162;
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static const f32 Q2_VERTEX_NORMAL_TABLE[Q2_VERTEX_NORMAL_TABLE_SIZE][3] = {
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{-0.525731f, 0.000000f, 0.850651f},
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{-0.442863f, 0.238856f, 0.864188f},
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{-0.295242f, 0.000000f, 0.955423f},
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{-0.309017f, 0.500000f, 0.809017f},
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{-0.162460f, 0.262866f, 0.951056f},
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{0.000000f, 0.000000f, 1.000000f},
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{0.000000f, 0.850651f, 0.525731f},
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{-0.147621f, 0.716567f, 0.681718f},
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{0.147621f, 0.716567f, 0.681718f},
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{0.000000f, 0.525731f, 0.850651f},
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{0.309017f, 0.500000f, 0.809017f},
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{0.525731f, 0.000000f, 0.850651f},
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{0.295242f, 0.000000f, 0.955423f},
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{0.442863f, 0.238856f, 0.864188f},
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{0.162460f, 0.262866f, 0.951056f},
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{-0.681718f, 0.147621f, 0.716567f},
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{-0.809017f, 0.309017f, 0.500000f},
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{-0.587785f, 0.425325f, 0.688191f},
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{-0.850651f, 0.525731f, 0.000000f},
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{-0.864188f, 0.442863f, 0.238856f},
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{-0.716567f, 0.681718f, 0.147621f},
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{-0.688191f, 0.587785f, 0.425325f},
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{-0.500000f, 0.809017f, 0.309017f},
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{-0.238856f, 0.864188f, 0.442863f},
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{-0.425325f, 0.688191f, 0.587785f},
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{-0.716567f, 0.681718f, -0.147621f},
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{-0.500000f, 0.809017f, -0.309017f},
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{-0.525731f, 0.850651f, 0.000000f},
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{0.000000f, 0.850651f, -0.525731f},
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{-0.238856f, 0.864188f, -0.442863f},
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{0.000000f, 0.955423f, -0.295242f},
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{-0.262866f, 0.951056f, -0.162460f},
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{0.000000f, 1.000000f, 0.000000f},
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{0.000000f, 0.955423f, 0.295242f},
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{-0.262866f, 0.951056f, 0.162460f},
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{0.238856f, 0.864188f, 0.442863f},
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{0.262866f, 0.951056f, 0.162460f},
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{0.500000f, 0.809017f, 0.309017f},
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{0.238856f, 0.864188f, -0.442863f},
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{0.262866f, 0.951056f, -0.162460f},
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{0.500000f, 0.809017f, -0.309017f},
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{0.850651f, 0.525731f, 0.000000f},
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{0.716567f, 0.681718f, 0.147621f},
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{0.716567f, 0.681718f, -0.147621f},
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{0.525731f, 0.850651f, 0.000000f},
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{0.425325f, 0.688191f, 0.587785f},
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{0.864188f, 0.442863f, 0.238856f},
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{0.688191f, 0.587785f, 0.425325f},
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{0.809017f, 0.309017f, 0.500000f},
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{0.681718f, 0.147621f, 0.716567f},
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{0.587785f, 0.425325f, 0.688191f},
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{0.955423f, 0.295242f, 0.000000f},
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{1.000000f, 0.000000f, 0.000000f},
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{0.951056f, 0.162460f, 0.262866f},
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{0.850651f, -0.525731f, 0.000000f},
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{0.955423f, -0.295242f, 0.000000f},
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{0.864188f, -0.442863f, 0.238856f},
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{0.951056f, -0.162460f, 0.262866f},
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{0.809017f, -0.309017f, 0.500000f},
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{0.681718f, -0.147621f, 0.716567f},
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{0.850651f, 0.000000f, 0.525731f},
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{0.864188f, 0.442863f, -0.238856f},
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{0.809017f, 0.309017f, -0.500000f},
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{0.951056f, 0.162460f, -0.262866f},
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{0.525731f, 0.000000f, -0.850651f},
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{0.681718f, 0.147621f, -0.716567f},
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{0.681718f, -0.147621f, -0.716567f},
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{0.850651f, 0.000000f, -0.525731f},
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{0.809017f, -0.309017f, -0.500000f},
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{0.864188f, -0.442863f, -0.238856f},
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{0.951056f, -0.162460f, -0.262866f},
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{0.147621f, 0.716567f, -0.681718f},
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{0.309017f, 0.500000f, -0.809017f},
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{0.425325f, 0.688191f, -0.587785f},
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{0.442863f, 0.238856f, -0.864188f},
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{0.587785f, 0.425325f, -0.688191f},
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{0.688191f, 0.587785f, -0.425325f},
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{-0.147621f, 0.716567f, -0.681718f},
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{-0.309017f, 0.500000f, -0.809017f},
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{0.000000f, 0.525731f, -0.850651f},
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{-0.525731f, 0.000000f, -0.850651f},
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{-0.442863f, 0.238856f, -0.864188f},
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{-0.295242f, 0.000000f, -0.955423f},
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{-0.162460f, 0.262866f, -0.951056f},
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{0.000000f, 0.000000f, -1.000000f},
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{0.295242f, 0.000000f, -0.955423f},
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{0.162460f, 0.262866f, -0.951056f},
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{-0.442863f, -0.238856f, -0.864188f},
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{-0.309017f, -0.500000f, -0.809017f},
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{-0.162460f, -0.262866f, -0.951056f},
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{0.000000f, -0.850651f, -0.525731f},
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{-0.147621f, -0.716567f, -0.681718f},
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{0.147621f, -0.716567f, -0.681718f},
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{0.000000f, -0.525731f, -0.850651f},
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{0.309017f, -0.500000f, -0.809017f},
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{0.442863f, -0.238856f, -0.864188f},
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{0.162460f, -0.262866f, -0.951056f},
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{0.238856f, -0.864188f, -0.442863f},
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{0.500000f, -0.809017f, -0.309017f},
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{0.425325f, -0.688191f, -0.587785f},
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{0.716567f, -0.681718f, -0.147621f},
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{0.688191f, -0.587785f, -0.425325f},
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{0.587785f, -0.425325f, -0.688191f},
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{0.000000f, -0.955423f, -0.295242f},
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{0.000000f, -1.000000f, 0.000000f},
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{0.262866f, -0.951056f, -0.162460f},
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{0.000000f, -0.850651f, 0.525731f},
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{0.000000f, -0.955423f, 0.295242f},
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{0.238856f, -0.864188f, 0.442863f},
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{0.262866f, -0.951056f, 0.162460f},
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{0.500000f, -0.809017f, 0.309017f},
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{0.716567f, -0.681718f, 0.147621f},
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{0.525731f, -0.850651f, 0.000000f},
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{-0.238856f, -0.864188f, -0.442863f},
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{-0.500000f, -0.809017f, -0.309017f},
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{-0.262866f, -0.951056f, -0.162460f},
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{-0.850651f, -0.525731f, 0.000000f},
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{-0.716567f, -0.681718f, -0.147621f},
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{-0.716567f, -0.681718f, 0.147621f},
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{-0.525731f, -0.850651f, 0.000000f},
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{-0.500000f, -0.809017f, 0.309017f},
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{-0.238856f, -0.864188f, 0.442863f},
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{-0.262866f, -0.951056f, 0.162460f},
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{-0.864188f, -0.442863f, 0.238856f},
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{-0.809017f, -0.309017f, 0.500000f},
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{-0.688191f, -0.587785f, 0.425325f},
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{-0.681718f, -0.147621f, 0.716567f},
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{-0.442863f, -0.238856f, 0.864188f},
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{-0.587785f, -0.425325f, 0.688191f},
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{-0.309017f, -0.500000f, 0.809017f},
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{-0.147621f, -0.716567f, 0.681718f},
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{-0.425325f, -0.688191f, 0.587785f},
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{-0.162460f, -0.262866f, 0.951056f},
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{0.442863f, -0.238856f, 0.864188f},
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{0.162460f, -0.262866f, 0.951056f},
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{0.309017f, -0.500000f, 0.809017f},
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{0.147621f, -0.716567f, 0.681718f},
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{0.000000f, -0.525731f, 0.850651f},
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{0.425325f, -0.688191f, 0.587785f},
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{0.587785f, -0.425325f, 0.688191f},
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{0.688191f, -0.587785f, 0.425325f},
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{-0.955423f, 0.295242f, 0.000000f},
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{-0.951056f, 0.162460f, 0.262866f},
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{-1.000000f, 0.000000f, 0.000000f},
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{-0.850651f, 0.000000f, 0.525731f},
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{-0.955423f, -0.295242f, 0.000000f},
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{-0.951056f, -0.162460f, 0.262866f},
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{-0.864188f, 0.442863f, -0.238856f},
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{-0.951056f, 0.162460f, -0.262866f},
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{-0.809017f, 0.309017f, -0.500000f},
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{-0.864188f, -0.442863f, -0.238856f},
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{-0.951056f, -0.162460f, -0.262866f},
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{-0.809017f, -0.309017f, -0.500000f},
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{-0.681718f, 0.147621f, -0.716567f},
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{-0.681718f, -0.147621f, -0.716567f},
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{-0.850651f, 0.000000f, -0.525731f},
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{-0.688191f, 0.587785f, -0.425325f},
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{-0.587785f, 0.425325f, -0.688191f},
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{-0.425325f, 0.688191f, -0.587785f},
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{-0.425325f, -0.688191f, -0.587785f},
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{-0.587785f, -0.425325f, -0.688191f},
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{-0.688191f, -0.587785f, -0.425325f},
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};
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struct SMD2AnimationType
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{
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s32 begin;
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s32 end;
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s32 fps;
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};
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static const SMD2AnimationType MD2AnimationTypeList[21] =
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{
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{ 0, 39, 9}, // STAND
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{ 40, 45, 10}, // RUN
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{ 46, 53, 10}, // ATTACK
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{ 54, 57, 7}, // PAIN_A
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{ 58, 61, 7}, // PAIN_B
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{ 62, 65, 7}, // PAIN_C
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{ 66, 71, 7}, // JUMP
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{ 72, 83, 7}, // FLIP
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{ 84, 94, 7}, // SALUTE
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{ 95, 111, 10}, // FALLBACK
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{112, 122, 7}, // WAVE
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{123, 134, 6}, // POINT
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{135, 153, 10}, // CROUCH_STAND
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{154, 159, 7}, // CROUCH_WALK
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{160, 168, 10}, // CROUCH_ATTACK
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{169, 172, 7}, // CROUCH_PAIN
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{173, 177, 5}, // CROUCH_DEATH
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{178, 183, 7}, // DEATH_FALLBACK
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{184, 189, 7}, // DEATH_FALLFORWARD
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{190, 197, 7}, // DEATH_FALLBACKSLOW
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{198, 198, 5}, // BOOM
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};
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//! constructor
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CAnimatedMeshMD2::CAnimatedMeshMD2()
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: InterpolationBuffer(0), InterpolationFirstFrame(-1), InterpolationSecondFrame(-1), InterpolationFrameDiv(0.f)
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, FrameList(0), FrameCount(0), FramesPerSecond((f32)(MD2AnimationTypeList[0].fps << MD2_FRAME_SHIFT))
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{
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#ifdef _DEBUG
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IAnimatedMesh::setDebugName("CAnimatedMeshMD2 IAnimatedMesh");
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IMesh::setDebugName("CAnimatedMeshMD2 IMesh");
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#endif
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InterpolationBuffer = new SMeshBuffer;
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}
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//! destructor
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CAnimatedMeshMD2::~CAnimatedMeshMD2()
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{
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delete [] FrameList;
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if (InterpolationBuffer)
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InterpolationBuffer->drop();
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}
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//! returns the amount of frames in milliseconds. If the amount is 1, it is a static (=non animated) mesh.
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u32 CAnimatedMeshMD2::getFrameCount() const
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{
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return FrameCount<<MD2_FRAME_SHIFT;
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}
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//! returns the animated mesh based on a detail level. 0 is the lowest, 255 the highest detail. Note, that some Meshes will ignore the detail level.
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IMesh* CAnimatedMeshMD2::getMesh(s32 frame, s32 detailLevel, s32 startFrameLoop, s32 endFrameLoop)
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{
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if ((u32)frame > getFrameCount())
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frame = (frame % getFrameCount());
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if (startFrameLoop == -1 && endFrameLoop == -1)
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{
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startFrameLoop = 0;
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endFrameLoop = getFrameCount();
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}
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updateInterpolationBuffer(frame, startFrameLoop, endFrameLoop);
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return this;
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}
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//! returns amount of mesh buffers. MD2 meshes only have one buffer
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u32 CAnimatedMeshMD2::getMeshBufferCount() const
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{
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return 1;
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}
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//! returns pointer to a mesh buffer
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IMeshBuffer* CAnimatedMeshMD2::getMeshBuffer(u32 nr) const
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{
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if (nr == 0)
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return InterpolationBuffer;
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else
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return 0;
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}
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//! Returns pointer to a mesh buffer which fits a material
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IMeshBuffer* CAnimatedMeshMD2::getMeshBuffer(const video::SMaterial &material) const
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{
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if (InterpolationBuffer->Material == material)
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return InterpolationBuffer;
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else
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return 0;
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}
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// updates the interpolation buffer
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void CAnimatedMeshMD2::updateInterpolationBuffer(s32 frame, s32 startFrameLoop, s32 endFrameLoop)
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{
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u32 firstFrame, secondFrame;
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f32 div;
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// TA: resolve missing ipol in loop between end-start
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if (endFrameLoop - startFrameLoop == 0)
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{
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firstFrame = frame>>MD2_FRAME_SHIFT;
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secondFrame = frame>>MD2_FRAME_SHIFT;
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div = 1.0f;
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}
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else
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{
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// key frames
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u32 s = startFrameLoop >> MD2_FRAME_SHIFT;
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u32 e = endFrameLoop >> MD2_FRAME_SHIFT;
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firstFrame = frame >> MD2_FRAME_SHIFT;
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secondFrame = core::if_c_a_else_b(firstFrame + 1 > e, s, firstFrame + 1);
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firstFrame = core::s32_min(FrameCount - 1, firstFrame);
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secondFrame = core::s32_min(FrameCount - 1, secondFrame);
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//div = (frame % (1<<MD2_FRAME_SHIFT)) / (f32)(1<<MD2_FRAME_SHIFT);
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frame &= (1<<MD2_FRAME_SHIFT) - 1;
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div = frame * MD2_FRAME_SHIFT_RECIPROCAL;
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}
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if ( firstFrame != InterpolationFirstFrame || secondFrame != InterpolationSecondFrame || div != InterpolationFrameDiv )
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{
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InterpolationFirstFrame = firstFrame;
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InterpolationSecondFrame = secondFrame;
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InterpolationFrameDiv = div;
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video::S3DVertex* target = static_cast<video::S3DVertex*>(InterpolationBuffer->getVertices());
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SMD2Vert* first = FrameList[firstFrame].pointer();
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SMD2Vert* second = FrameList[secondFrame].pointer();
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// interpolate both frames
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const u32 count = FrameList[firstFrame].size();
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for (u32 i=0; i<count; ++i)
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{
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const core::vector3df one = core::vector3df(f32(first->Pos.X) * FrameTransforms[firstFrame].scale.X + FrameTransforms[firstFrame].translate.X,
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f32(first->Pos.Y) * FrameTransforms[firstFrame].scale.Y + FrameTransforms[firstFrame].translate.Y,
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f32(first->Pos.Z) * FrameTransforms[firstFrame].scale.Z + FrameTransforms[firstFrame].translate.Z);
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const core::vector3df two = core::vector3df(f32(second->Pos.X) * FrameTransforms[secondFrame].scale.X + FrameTransforms[secondFrame].translate.X,
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f32(second->Pos.Y) * FrameTransforms[secondFrame].scale.Y + FrameTransforms[secondFrame].translate.Y,
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f32(second->Pos.Z) * FrameTransforms[secondFrame].scale.Z + FrameTransforms[secondFrame].translate.Z);
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target->Pos = two.getInterpolated(one, div);
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const core::vector3df n1(
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Q2_VERTEX_NORMAL_TABLE[first->NormalIdx][0],
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Q2_VERTEX_NORMAL_TABLE[first->NormalIdx][2],
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Q2_VERTEX_NORMAL_TABLE[first->NormalIdx][1]);
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const core::vector3df n2(
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Q2_VERTEX_NORMAL_TABLE[second->NormalIdx][0],
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Q2_VERTEX_NORMAL_TABLE[second->NormalIdx][2],
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Q2_VERTEX_NORMAL_TABLE[second->NormalIdx][1]);
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target->Normal = n2.getInterpolated(n1, div);
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++target;
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++first;
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++second;
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}
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//update bounding box
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InterpolationBuffer->setBoundingBox(BoxList[secondFrame].getInterpolated(BoxList[firstFrame], div));
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InterpolationBuffer->setDirty();
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}
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}
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//! sets a flag of all contained materials to a new value
|
|
void CAnimatedMeshMD2::setMaterialFlag(video::E_MATERIAL_FLAG flag, bool newvalue)
|
|
{
|
|
InterpolationBuffer->Material.setFlag(flag, newvalue);
|
|
}
|
|
|
|
|
|
//! set the hardware mapping hint, for driver
|
|
void CAnimatedMeshMD2::setHardwareMappingHint(E_HARDWARE_MAPPING newMappingHint,
|
|
E_BUFFER_TYPE buffer)
|
|
{
|
|
InterpolationBuffer->setHardwareMappingHint(newMappingHint, buffer);
|
|
}
|
|
|
|
|
|
//! flags the meshbuffer as changed, reloads hardware buffers
|
|
void CAnimatedMeshMD2::setDirty(E_BUFFER_TYPE buffer)
|
|
{
|
|
InterpolationBuffer->setDirty(buffer);
|
|
}
|
|
|
|
|
|
//! returns an axis aligned bounding box
|
|
const core::aabbox3d<f32>& CAnimatedMeshMD2::getBoundingBox() const
|
|
{
|
|
return InterpolationBuffer->BoundingBox;
|
|
}
|
|
|
|
|
|
//! set user axis aligned bounding box
|
|
void CAnimatedMeshMD2::setBoundingBox(const core::aabbox3df& box)
|
|
{
|
|
InterpolationBuffer->BoundingBox = box;
|
|
}
|
|
|
|
|
|
//! Returns the type of the animated mesh.
|
|
E_ANIMATED_MESH_TYPE CAnimatedMeshMD2::getMeshType() const
|
|
{
|
|
return EAMT_MD2;
|
|
}
|
|
|
|
|
|
//! Returns frame loop data for a special MD2 animation type.
|
|
void CAnimatedMeshMD2::getFrameLoop(EMD2_ANIMATION_TYPE l,
|
|
s32& outBegin, s32& outEnd, s32& outFPS) const
|
|
{
|
|
if (l < 0 || l >= EMAT_COUNT)
|
|
return;
|
|
|
|
outBegin = MD2AnimationTypeList[l].begin << MD2_FRAME_SHIFT;
|
|
outEnd = MD2AnimationTypeList[l].end << MD2_FRAME_SHIFT;
|
|
|
|
// correct to anim between last->first frame
|
|
outEnd += MD2_FRAME_SHIFT == 0 ? 1 : (1 << MD2_FRAME_SHIFT) - 1;
|
|
outFPS = MD2AnimationTypeList[l].fps << MD2_FRAME_SHIFT;
|
|
}
|
|
|
|
|
|
//! Returns frame loop data for a special MD2 animation type.
|
|
bool CAnimatedMeshMD2::getFrameLoop(const c8* name,
|
|
s32& outBegin, s32&outEnd, s32& outFPS) const
|
|
{
|
|
for (u32 i=0; i < AnimationData.size(); ++i)
|
|
{
|
|
if (AnimationData[i].name == name)
|
|
{
|
|
outBegin = AnimationData[i].begin << MD2_FRAME_SHIFT;
|
|
outEnd = AnimationData[i].end << MD2_FRAME_SHIFT;
|
|
outEnd += MD2_FRAME_SHIFT == 0 ? 1 : (1 << MD2_FRAME_SHIFT) - 1;
|
|
outFPS = AnimationData[i].fps << MD2_FRAME_SHIFT;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
//! Returns amount of md2 animations in this file.
|
|
s32 CAnimatedMeshMD2::getAnimationCount() const
|
|
{
|
|
return AnimationData.size();
|
|
}
|
|
|
|
|
|
//! Returns name of md2 animation.
|
|
const c8* CAnimatedMeshMD2::getAnimationName(s32 nr) const
|
|
{
|
|
if ((u32)nr >= AnimationData.size())
|
|
return 0;
|
|
|
|
return AnimationData[nr].name.c_str();
|
|
}
|
|
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|
|
|
|
#endif // _IRR_COMPILE_WITH_MD2_LOADER_
|