[4245] | 1 | /* |
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| 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | ### File Specific: |
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| 12 | main-programmer: Patrick Boenzli |
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| 13 | */ |
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| 14 | |
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| 15 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_IMPORTER |
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| 16 | |
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| 17 | #include "md2Model.h" |
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| 18 | #include "material.h" |
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| 19 | |
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[4246] | 20 | #include "resource_manager.h" |
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| 21 | |
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[4245] | 22 | #include <fstream> |
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| 23 | |
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| 24 | |
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| 25 | using namespace std; |
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| 26 | |
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| 27 | |
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[4276] | 28 | sVec3D MD2Model::anorms[NUM_VERTEX_NORMALS] = { |
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[4245] | 29 | #include "anorms.h" |
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| 30 | }; |
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| 31 | |
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[4276] | 32 | float MD2Model::anormsDots[SHADEDOT_QUANT][256] = { |
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[4245] | 33 | #include "anormtab.h" |
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| 34 | }; |
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| 35 | |
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[4276] | 36 | static float *shadeDots = MD2Model::anormsDots[0]; |
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[4245] | 37 | |
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| 38 | float md2Angle = 0.0f; |
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| 39 | |
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| 40 | |
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[4276] | 41 | sAnim MD2Model::animationList[21] = |
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[4245] | 42 | { |
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| 43 | // begin, end, fps |
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| 44 | { 0, 39, 9 }, // STAND |
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| 45 | { 40, 45, 10 }, // RUN |
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| 46 | { 46, 53, 10 }, // ATTACK |
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| 47 | { 54, 57, 7 }, // PAIN_A |
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| 48 | { 58, 61, 7 }, // PAIN_B |
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| 49 | { 62, 65, 7 }, // PAIN_C |
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| 50 | { 66, 71, 7 }, // JUMP |
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| 51 | { 72, 83, 7 }, // FLIP |
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| 52 | { 84, 94, 7 }, // SALUTE |
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| 53 | { 95, 111, 10 }, // FALLBACK |
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| 54 | { 112, 122, 7 }, // WAVE |
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[4279] | 55 | { 123, 134, 6 }, // POINTT |
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[4245] | 56 | { 135, 153, 10 }, // CROUCH_STAND |
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| 57 | { 154, 159, 7 }, // CROUCH_WALK |
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| 58 | { 160, 168, 10 }, // CROUCH_ATTACK |
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| 59 | { 196, 172, 7 }, // CROUCH_PAIN |
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| 60 | { 173, 177, 5 }, // CROUCH_DEATH |
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| 61 | { 178, 183, 7 }, // DEATH_FALLBACK |
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| 62 | { 184, 189, 7 }, // DEATH_FALLFORWARD |
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| 63 | { 190, 197, 7 }, // DEATH_FALLBACKSLOW |
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| 64 | { 198, 198, 5 }, // BOOM |
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| 65 | }; |
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| 66 | |
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| 67 | |
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| 68 | |
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| 69 | /******************************************************************************** |
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[4282] | 70 | * MD2Model * |
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[4245] | 71 | ********************************************************************************/ |
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| 72 | |
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[4276] | 73 | MD2Model::MD2Model() |
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[4245] | 74 | { |
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[4280] | 75 | /* this creates the data container via ressource manager */ |
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| 76 | this->data = new MD2Data(); |
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[4282] | 77 | this->scaleFactor = this->data->scaleFactor; |
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[4280] | 78 | |
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[4245] | 79 | this->setAnim(BOOM); |
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| 80 | } |
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| 81 | |
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| 82 | |
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[4276] | 83 | MD2Model::~MD2Model() |
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[4245] | 84 | { |
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[4282] | 85 | |
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[4245] | 86 | } |
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| 87 | |
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| 88 | |
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[4276] | 89 | bool MD2Model::loadModel(const char* fileName) |
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[4245] | 90 | { |
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[4280] | 91 | return this->data->loadModel(fileName); |
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[4245] | 92 | } |
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| 93 | |
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| 94 | |
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[4276] | 95 | bool MD2Model::loadSkin(const char* fileName) |
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[4245] | 96 | { |
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[4280] | 97 | return this->data->loadSkin(fileName); |
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[4245] | 98 | } |
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| 99 | |
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| 100 | |
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| 101 | /** |
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| 102 | \brief initializes an array of vert with the current frame scaled vertices |
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| 103 | |
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| 104 | we won't use the pVertices array directly, since its much easier and we need |
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| 105 | saving of data anyway |
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| 106 | */ |
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[4276] | 107 | void MD2Model::interpolate(sVec3D* verticesList) |
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[4245] | 108 | { |
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| 109 | sVec3D* currVec; |
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| 110 | sVec3D* nextVec; |
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| 111 | |
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[4281] | 112 | currVec = &this->data->pVertices[this->data->numVertices * this->animationState.currentFrame]; |
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| 113 | nextVec = &this->data->pVertices[this->data->numVertices * this->animationState.nextFrame]; |
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[4245] | 114 | |
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[4281] | 115 | for(int i = 0; i < this->data->numFrames; ++i) |
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[4245] | 116 | { |
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[4282] | 117 | verticesList[i][0] = (currVec[i][0] + this->animationState.interpolationState * (nextVec[i][0] - currVec[i][0])) * this->scaleFactor; |
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| 118 | verticesList[i][1] = (currVec[i][1] + this->animationState.interpolationState * (nextVec[i][1] - currVec[i][1])) * this->scaleFactor; |
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| 119 | verticesList[i][2] = (currVec[i][2] + this->animationState.interpolationState * (nextVec[i][2] - currVec[i][2])) * this->scaleFactor; |
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[4245] | 120 | } |
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| 121 | } |
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| 122 | |
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| 123 | |
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[4276] | 124 | void MD2Model::setAnim(int type) |
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[4245] | 125 | { |
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| 126 | if( (type < 0) || (type > MAX_ANIMATIONS) ) |
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| 127 | type = 0; |
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| 128 | |
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| 129 | this->animationState.startFrame = animationList[type].firstFrame; |
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| 130 | this->animationState.endFrame = animationList[type].lastFrame; |
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| 131 | this->animationState.nextFrame = animationList[type].firstFrame + 1; |
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| 132 | this->animationState.fps = animationList[type].fps; |
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| 133 | this->animationState.type = type; |
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| 134 | |
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| 135 | this->animationState.interpolationState = 0.0; |
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| 136 | this->animationState.localTime = 0.0; |
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| 137 | this->animationState.lastTime = 0.0; |
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| 138 | this->animationState.currentFrame = animationList[type].firstFrame; |
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| 139 | } |
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| 140 | |
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| 141 | |
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[4276] | 142 | void MD2Model::tick(float time) |
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[4245] | 143 | { |
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| 144 | this->animationState.localTime += time; |
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| 145 | } |
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| 146 | |
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| 147 | |
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[4276] | 148 | void MD2Model::draw() |
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[4245] | 149 | { |
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| 150 | if( likely(this->animationState.localTime > 0.0)) |
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| 151 | this->animate(); |
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| 152 | |
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| 153 | glPushMatrix(); |
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| 154 | |
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| 155 | this->renderFrame(); |
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| 156 | |
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| 157 | glPopMatrix(); |
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[4276] | 158 | } |
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[4245] | 159 | |
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| 160 | |
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[4276] | 161 | void MD2Model::renderFrame() |
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[4245] | 162 | { |
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| 163 | static sVec3D verticesList[MD2_MAX_VERTICES]; /* performance: created only once in a lifetime */ |
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[4281] | 164 | int* pCommands = this->data->pGLCommands; |
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[4245] | 165 | |
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| 166 | /* some face culling stuff */ |
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| 167 | glPushAttrib(GL_POLYGON_BIT); |
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| 168 | glFrontFace(GL_CW); |
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| 169 | glEnable(GL_CULL_FACE); |
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| 170 | glCullFace(GL_BACK); |
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| 171 | |
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| 172 | this->processLighting(); |
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| 173 | this->interpolate(verticesList); |
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[4281] | 174 | this->data->material->select(); |
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[4245] | 175 | |
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| 176 | /* draw the triangles */ |
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| 177 | while( int i = *(pCommands++)) /* strange looking while loop for maximum performance */ |
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| 178 | { |
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| 179 | if( i < 0) |
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| 180 | { |
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| 181 | glBegin(GL_TRIANGLE_FAN); |
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| 182 | i = -i; |
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| 183 | } |
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| 184 | else |
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| 185 | { |
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| 186 | glBegin(GL_TRIANGLE_STRIP); |
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| 187 | } |
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| 188 | |
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| 189 | for(; i > 0; i--, pCommands += 3) /* down counting for loop, next 3 gl commands */ |
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| 190 | { |
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[4281] | 191 | glNormal3fv(anorms[this->data->pLightNormals[pCommands[2]]]); |
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[4245] | 192 | glTexCoord2f( ((float *)pCommands)[0], 1.0-((float *)pCommands)[1] ); |
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| 193 | glVertex3fv(verticesList[pCommands[2]]); |
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| 194 | } |
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| 195 | glEnd(); |
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| 196 | } |
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| 197 | glDisable(GL_CULL_FACE); |
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| 198 | glPopAttrib(); |
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| 199 | } |
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| 200 | |
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| 201 | |
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[4280] | 202 | void MD2Model::animate() |
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| 203 | { |
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| 204 | if( this->animationState.localTime - this->animationState.lastTime > (1.0f / this->animationState.fps)) |
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| 205 | { |
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| 206 | this->animationState.currentFrame = this->animationState.nextFrame; |
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| 207 | this->animationState.nextFrame++; |
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| 208 | |
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| 209 | if( this->animationState.nextFrame > this->animationState.endFrame) |
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| 210 | this->animationState.nextFrame = this->animationState.startFrame; |
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| 211 | this->animationState.lastTime = this->animationState.localTime; |
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| 212 | } |
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| 213 | |
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[4281] | 214 | if( this->animationState.currentFrame > (this->data->numFrames - 1) ) |
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[4280] | 215 | this->animationState.currentFrame = 0; |
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[4281] | 216 | if( this->animationState.nextFrame > (this->data->numFrames - 1) ) |
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[4280] | 217 | this->animationState.nextFrame = 0; |
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| 218 | |
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| 219 | this->animationState.interpolationState = this->animationState.fps * |
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| 220 | (this->animationState.localTime - this->animationState.lastTime); |
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| 221 | } |
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| 222 | |
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| 223 | |
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| 224 | /* hhmmm... id used a very different way to do lightning... */ |
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| 225 | void MD2Model::processLighting() |
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| 226 | { |
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| 227 | shadeDots = anormsDots[((int)(md2Angle*(SHADEDOT_QUANT / 360.0)))&(SHADEDOT_QUANT - 1)]; |
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| 228 | } |
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| 229 | |
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| 230 | |
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[4276] | 231 | void MD2Model::debug() |
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[4245] | 232 | { |
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[4282] | 233 | PRINT(0)("\n==========================| MD2Model::debug() |===\n"); |
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[4281] | 234 | PRINT(0)("= Model FileName:\t%s\n", this->data->fileName); |
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| 235 | PRINT(0)("= Skin FileName:\t%s\n", this->data->skinFileName); |
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| 236 | PRINT(0)("= Size in Memory:\t%i Bytes\n", this->data->header->frameSize * this->data->header->numFrames + 64); // 64bytes is the header size |
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| 237 | PRINT(0)("= Number of Vertices:\t%i\n", this->data->header->numVertices); |
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| 238 | PRINT(0)("= Number of Frames: \t%i\n", this->data->header->numFrames); |
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[4282] | 239 | PRINT(0)("= Height, Width:\t%i, %i\n", this->data->header->skinHeight, this->data->header->skinWidth); |
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[4245] | 240 | PRINT(0)("===================================================\n\n"); |
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| 241 | } |
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[4280] | 242 | |
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| 243 | |
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[4282] | 244 | /******************************************************************************** |
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| 245 | * MD2Data * |
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| 246 | ********************************************************************************/ |
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[4280] | 247 | |
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| 248 | |
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| 249 | MD2Data::MD2Data() |
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| 250 | { |
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| 251 | this->pVertices = NULL; |
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| 252 | this->pGLCommands = NULL; |
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| 253 | this->pLightNormals = NULL; |
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| 254 | |
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| 255 | this->numFrames = 0; |
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| 256 | this->numVertices = 0; |
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| 257 | this->numGLCommands = 0; |
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| 258 | |
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| 259 | this->scaleFactor = 1.0f; |
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| 260 | } |
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| 261 | |
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| 262 | |
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| 263 | MD2Data::~MD2Data() |
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| 264 | { |
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| 265 | delete [] this->pVertices; |
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| 266 | delete [] this->pGLCommands; |
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| 267 | delete [] this->pLightNormals; |
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| 268 | } |
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| 269 | |
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| 270 | |
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| 271 | |
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| 272 | bool MD2Data::loadModel(const char* fileName) |
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| 273 | { |
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| 274 | FILE *pFile; //file stream |
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| 275 | char* buffer; //buffer for frame data |
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| 276 | sFrame* frame; //temp frame |
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| 277 | sVec3D *pVertex; |
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| 278 | int* pNormals; |
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| 279 | |
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| 280 | pFile = fopen(fileName, "rb"); |
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| 281 | if( unlikely(!pFile)) |
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| 282 | { |
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| 283 | PRINTF(1)("Couldn't open the MD2 File for loading. Exiting.\n"); |
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| 284 | return false; |
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| 285 | } |
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| 286 | this->header = new MD2Header; |
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| 287 | fread(this->header, 1, sizeof(MD2Header), pFile); |
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| 288 | /* check for the header version: make sure its a md2 file :) */ |
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| 289 | if( unlikely(this->header->version != MD2_VERSION) && unlikely(this->header->ident != MD2_IDENT)) |
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| 290 | { |
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| 291 | PRINTF(1)("Couldn't load file %s: invalid file format: stop loading\n", fileName); |
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| 292 | return false; |
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| 293 | } |
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| 294 | |
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| 295 | this->fileName = new char[strlen(fileName)+1]; |
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| 296 | strcpy(this->fileName, fileName); |
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| 297 | /* got the data: map it to locals */ |
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| 298 | this->numFrames = this->header->numFrames; |
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| 299 | this->numVertices = this->header->numVertices; |
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| 300 | this->numTriangles = this->header->numTriangles; |
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| 301 | this->numGLCommands = this->header->numGlCommands; |
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| 302 | /* allocate memory for the data storage */ |
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| 303 | this->pVertices = new sVec3D[this->numVertices * this->numFrames]; |
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| 304 | this->pGLCommands = new int[this->numGLCommands]; |
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| 305 | this->pLightNormals = new int[this->numVertices * this->numFrames]; |
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| 306 | buffer = new char[this->numFrames * this->header->frameSize]; |
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| 307 | |
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| 308 | /* read frame data from the file to a temp buffer */ |
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| 309 | fseek(pFile, this->header->offsetFrames, SEEK_SET); |
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| 310 | fread(buffer, this->header->frameSize, this->numFrames, pFile); |
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| 311 | /* read opengl commands */ |
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| 312 | fseek(pFile, this->header->offsetGlCommands, SEEK_SET); |
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| 313 | fread(this->pGLCommands, sizeof(int), this->numGLCommands, pFile); |
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| 314 | |
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| 315 | for(int i = 0; i < this->numFrames; ++i) |
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| 316 | { |
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| 317 | frame = (sFrame*)(buffer + this->header->frameSize * i); |
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| 318 | pVertex = this->pVertices + this->numVertices * i; |
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| 319 | pNormals = this->pLightNormals + this->numVertices * i; |
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| 320 | |
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| 321 | for(int j = 0; j < this->numVertices; ++j) |
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| 322 | { |
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| 323 | /* SPEEDUP: *(pVerts + i + 0) = (*(frame->pVertices + i + 0)... */ |
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| 324 | pVertex[j][0] = (frame->pVertices[j].v[0] * frame->scale[0]) + frame->translate[0]; |
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| 325 | pVertex[j][1] = (frame->pVertices[j].v[2] * frame->scale[2]) + frame->translate[2]; |
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| 326 | pVertex[j][2] = -1.0 * (frame->pVertices[j].v[1] * frame->scale[1] + frame->translate[1]); |
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| 327 | |
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| 328 | pNormals[j] = frame->pVertices[j].lightNormalIndex; |
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| 329 | } |
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| 330 | } |
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| 331 | |
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| 332 | delete [] buffer; |
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| 333 | fclose(pFile); |
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| 334 | } |
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| 335 | |
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| 336 | |
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| 337 | bool MD2Data::loadSkin(const char* fileName) |
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| 338 | { |
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| 339 | this->skinFileName = new char[strlen(fileName)+1]; |
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| 340 | strcpy(this->skinFileName, fileName); |
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[4281] | 341 | |
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[4280] | 342 | this->material = new Material("md2ModelTest"); |
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| 343 | this->material->setDiffuseMap(fileName); |
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| 344 | this->material->setIllum(3); |
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| 345 | this->material->setAmbient(1.0, 1.0, 1.0); |
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| 346 | } |
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