[10460] | 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: Christian Meyer |
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| 13 | co-programmer: Benjamin Grauer |
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| 14 | */ |
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| 15 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY |
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| 16 | |
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| 17 | #include "camera.h" |
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| 18 | #include "key_mapper.h" |
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| 19 | #include "glincl.h" |
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| 20 | #include "util/loading/load_param.h" |
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| 21 | #include "world_entity.h" |
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| 22 | #include "vector.h" |
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| 23 | #include "targets.h" |
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| 24 | #include "track/track.h" |
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| 25 | #include "script_class.h" |
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| 26 | #include "state.h" |
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| 27 | |
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[10495] | 28 | #include "debug.h" |
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[10460] | 29 | |
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[10495] | 30 | |
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[10460] | 31 | ObjectListDefinition(Camera); |
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| 32 | |
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| 33 | CREATE_SCRIPTABLE_CLASS(Camera, |
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| 34 | addMethod("setAbsCoor", Executor3<PNode, lua_State*,float,float,float>(&PNode::setAbsCoor)) |
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| 35 | ->addMethod("getAbsCoorX", Executor0ret<PNode, lua_State*, float>(&PNode::getAbsCoorX)) |
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| 36 | ->addMethod("getAbsCoorY", Executor0ret<PNode, lua_State*, float>(&PNode::getAbsCoorY)) |
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| 37 | ->addMethod("getAbsCoorZ", Executor0ret<PNode, lua_State*, float>(&PNode::getAbsCoorZ)) |
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| 38 | ); |
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| 39 | |
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| 40 | /** |
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| 41 | * creates a Camera |
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| 42 | */ |
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| 43 | Camera::Camera() |
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| 44 | { |
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| 45 | this->registerObject(this, Camera::_objectList); |
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| 46 | |
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| 47 | this->init(); |
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| 48 | } |
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| 49 | |
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| 50 | |
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| 51 | Camera::Camera(const TiXmlElement* root) |
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| 52 | { |
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| 53 | this->registerObject(this, Camera::_objectList); |
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| 54 | |
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| 55 | if( root != NULL) |
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| 56 | this->loadParams(root); |
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| 57 | |
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| 58 | this->init(); |
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| 59 | |
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| 60 | } |
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| 61 | |
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| 62 | |
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| 63 | /** |
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| 64 | * default destructor |
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| 65 | */ |
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| 66 | Camera::~Camera() |
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| 67 | {} |
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| 68 | |
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| 69 | void Camera::init() |
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| 70 | { |
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| 71 | this->toList( OM_ENVIRON_NOTICK); |
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| 72 | //this->setName("camera"); |
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| 73 | this->target = new CameraTarget(); |
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| 74 | this->target->masta=this; |
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| 75 | this->subscribeEvent(ES_GAME, KeyMapper::PEV_VIEW0); |
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| 76 | this->subscribeEvent(ES_GAME, KeyMapper::PEV_VIEW1); |
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| 77 | this->subscribeEvent(ES_GAME, KeyMapper::PEV_VIEW2); |
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| 78 | this->subscribeEvent(ES_GAME, KeyMapper::PEV_VIEW3); |
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| 79 | this->subscribeEvent(ES_GAME, KeyMapper::PEV_VIEW4); |
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| 80 | this->subscribeEvent(ES_GAME, KeyMapper::PEV_VIEW5); |
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| 81 | |
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| 82 | //this->setFovy(90); |
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| 83 | this->setAspectRatio(1.33f); |
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| 84 | this->setClipRegion(.1, 10000); |
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| 85 | |
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| 86 | this->viewTopFovy = 60; |
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| 87 | this->viewNormalFovy = 90; |
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| 88 | this->viewFrontFovy = 120; |
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| 89 | this->viewRightFovy = 90; |
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| 90 | this->viewLeftFovy = 90; |
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| 91 | |
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| 92 | this->viewTopDistance = 70; |
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| 93 | this->viewNormalDistance = 10; |
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| 94 | this->viewFrontDistance = 4; |
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| 95 | this->viewRightDistance = 10; |
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| 96 | this->viewLeftDistance = 10; |
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| 97 | |
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| 98 | this->setViewMode(Camera::ViewNormal); |
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| 99 | |
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| 100 | this->setParentMode(PNODE_ALL); |
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| 101 | this->eventHandling = true; |
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| 102 | |
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| 103 | //add to track |
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| 104 | if(this->entityTrack) |
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[10462] | 105 | { |
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[10460] | 106 | this->setParent(this->entityTrack->getTrackNode()); |
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[10495] | 107 | //this->setRelCoor(0,0,0); |
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[10462] | 108 | } |
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[10460] | 109 | } |
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| 110 | |
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| 111 | /** |
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| 112 | * focuses the Camera onto a Target |
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| 113 | * @param target the new PNode the Camera should look at. |
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| 114 | */ |
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| 115 | void Camera::lookAt(PNode* target) |
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| 116 | { |
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| 117 | this->target->setParentSoft(target,0.2); |
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| 118 | } |
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| 119 | |
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| 120 | /** |
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| 121 | * @returns The PNode of the Target (from there you can get position and so on |
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| 122 | */ |
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| 123 | PNode* Camera::getTargetNode() const |
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| 124 | { |
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| 125 | return (PNode*)this->target; |
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| 126 | } |
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| 127 | |
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| 128 | void Camera::setTargetNode(PNode* target) |
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| 129 | { |
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| 130 | this->target->setParent(target); |
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| 131 | } |
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| 132 | |
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| 133 | /** |
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| 134 | * sets a new AspectRatio |
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| 135 | * @param aspectRatio the new aspect ratio to set (width / height) |
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| 136 | */ |
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| 137 | void Camera::setAspectRatio(float aspectRatio) |
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| 138 | { |
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| 139 | this->aspectRatio = aspectRatio; |
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| 140 | } |
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| 141 | |
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| 142 | /** |
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| 143 | * Sets a new clipping region |
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| 144 | * @param nearClip The near clip plane |
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| 145 | * @param farClip The far clip plane |
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| 146 | */ |
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| 147 | void Camera::setClipRegion(float nearClip, float farClip) |
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| 148 | { |
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| 149 | this->nearClip = nearClip; |
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| 150 | this->farClip = farClip; |
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| 151 | } |
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| 152 | |
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| 153 | /** |
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| 154 | * sets the new VideoMode and initializes iteration to it. |
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| 155 | * @param mode the mode to change to. |
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| 156 | */ |
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| 157 | void Camera::setViewMode(ViewMode mode) |
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| 158 | { |
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| 159 | currentMode = mode; |
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| 160 | switch (mode) |
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| 161 | { |
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| 162 | default: |
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| 163 | case Camera::ViewNormal: |
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| 164 | { |
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| 165 | this->fovy = viewNormalFovy; |
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| 166 | this->toFovy = viewNormalFovy; |
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| 167 | //this->fovy = 60; |
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| 168 | //this->toFovy = 60; |
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| 169 | this->setRelCoorSoft(-2.0/3.0 * this->viewNormalDistance, 1.0/3.0 * this->viewNormalDistance, 0); |
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| 170 | this->target->setRelCoorSoft(0,0,0); |
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| 171 | break; |
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| 172 | } |
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| 173 | case Camera::ViewBehind: |
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| 174 | break; |
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| 175 | case Camera::ViewFront: |
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| 176 | { |
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| 177 | this->fovy = viewFrontFovy; |
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| 178 | this->toFovy = viewFrontFovy; |
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| 179 | this->setRelCoorSoft(this->viewFrontDistance, 0, 0, 5); |
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| 180 | this->target->setRelCoorSoft(Vector(10,0,0), 5); |
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| 181 | break; |
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| 182 | } |
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| 183 | case Camera::ViewLeft: |
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| 184 | { |
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| 185 | this->fovy = viewLeftFovy; |
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| 186 | this->toFovy = viewLeftFovy; |
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| 187 | this->setRelCoorSoft(0, 1, -viewLeftDistance, .5); |
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| 188 | this->target->setRelCoorSoft(0,0,0); |
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| 189 | break; |
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| 190 | } |
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| 191 | case Camera::ViewRight: |
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| 192 | { |
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| 193 | this->fovy = viewRightFovy; |
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| 194 | this->toFovy = viewRightFovy; |
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| 195 | this->setRelCoorSoft(Vector(0, 1, viewRightDistance), 0.5); |
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| 196 | this->target->setRelCoorSoft(0,0,0); |
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| 197 | break; |
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| 198 | } |
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| 199 | case Camera::ViewTop: |
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| 200 | { |
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| 201 | this->fovy= viewTopFovy; |
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| 202 | this->toFovy = viewTopFovy; |
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| 203 | this->setRelCoor(Vector(-0.05, this->viewTopDistance , 0)); |
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| 204 | this->target->setRelCoor(0,0,0); |
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| 205 | } |
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| 206 | } |
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| 207 | } |
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| 208 | |
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| 209 | |
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| 210 | /** |
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| 211 | * Updates the position of the camera. |
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| 212 | * @param dt: The time that elapsed. |
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| 213 | */ |
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| 214 | void Camera::tick(float dt) |
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| 215 | { |
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| 216 | //update frustum plane |
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| 217 | this->viewVector = (this->target->getAbsCoor() - this->getAbsCoor()).getNormalized(); |
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| 218 | this->frustumPlane = Plane(this->viewVector, this->getAbsCoor() + this->viewVector * 0.1); |
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[10495] | 219 | this->upVector = this->getAbsDirV(); |
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[10460] | 220 | |
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| 221 | // iteration for fovy |
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| 222 | float tmpFovy = (this->toFovy - this->fovy); |
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| 223 | if (fabsf(tmpFovy) > 0.01) |
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| 224 | this->fovy += tmpFovy * fabsf(dt); |
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| 225 | |
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| 226 | if(this->entityTrack) |
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[10495] | 227 | { |
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| 228 | //PRINTF(0)("tickytackytucky\n"); |
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[10460] | 229 | this->entityTrack->tick(dt); |
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[10495] | 230 | //this->setAbsCoor(this->entityTrack->getTrackNode()->getAbsCoor()); |
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| 231 | } |
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[10460] | 232 | |
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| 233 | |
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| 234 | |
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| 235 | //iterate(float dt, translate, target) |
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| 236 | target->translate(dt); |
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| 237 | } |
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| 238 | |
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| 239 | |
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| 240 | void Camera::draw() const |
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| 241 | { |
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| 242 | if( this->entityTrack != NULL && this->isDrawTrack()) |
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| 243 | this->entityTrack->drawGraph(); |
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| 244 | } |
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| 245 | |
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| 246 | |
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| 247 | /** |
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| 248 | * initialize rendering perspective according to this camera |
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| 249 | * |
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| 250 | * This is called immediately before the rendering cycle starts, it sets all global |
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| 251 | * rendering options as well as the GL_PROJECTION matrix according to the camera. |
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| 252 | */ |
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| 253 | void Camera::apply () |
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| 254 | { |
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| 255 | // switching to Projection Matrix |
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| 256 | glMatrixMode (GL_PROJECTION); |
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| 257 | glLoadIdentity (); |
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| 258 | |
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| 259 | gluPerspective(this->fovy, |
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| 260 | this->aspectRatio, |
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| 261 | this->nearClip, |
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| 262 | this->farClip); |
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| 263 | |
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| 264 | |
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| 265 | // setting up the perspective |
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| 266 | // speed-up feature |
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| 267 | glMatrixMode (GL_MODELVIEW); |
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| 268 | glLoadIdentity(); |
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| 269 | |
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| 270 | |
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| 271 | } |
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| 272 | |
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| 273 | void Camera::project() |
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| 274 | { |
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| 275 | Vector cameraPosition = this->getAbsCoor(); |
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| 276 | Vector targetPosition = this->target->getAbsCoor(); |
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| 277 | |
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| 278 | |
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| 279 | //Setting the Camera Eye, lookAt and up Vectors |
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| 280 | gluLookAt(cameraPosition.x, cameraPosition.y, cameraPosition.z, |
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| 281 | targetPosition.x, targetPosition.y, targetPosition.z, |
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| 282 | this->upVector.x, this->upVector.y, this->upVector.z); |
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| 283 | } |
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| 284 | |
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| 285 | |
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| 286 | /** |
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| 287 | * processes an event |
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| 288 | * @param event: the event to process |
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| 289 | */ |
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| 290 | void Camera::process(const Event &event) |
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| 291 | { |
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| 292 | if (eventHandling == true) |
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| 293 | { |
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| 294 | if( event.type == KeyMapper::PEV_VIEW0) |
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| 295 | { |
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| 296 | this->setViewMode(Camera::ViewNormal); |
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| 297 | } |
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| 298 | else if( event.type == KeyMapper::PEV_VIEW1) |
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| 299 | { |
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| 300 | this->setViewMode(Camera::ViewBehind); |
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| 301 | } |
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| 302 | else if( event.type == KeyMapper::PEV_VIEW2) |
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| 303 | { |
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| 304 | this->setViewMode(Camera::ViewFront); |
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| 305 | } |
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| 306 | else if( event.type == KeyMapper::PEV_VIEW3) |
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| 307 | { |
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| 308 | this->setViewMode(Camera::ViewLeft); |
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| 309 | } |
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| 310 | else if( event.type == KeyMapper::PEV_VIEW4) |
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| 311 | { |
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| 312 | this->setViewMode(Camera::ViewRight); |
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| 313 | } |
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| 314 | else if( event.type == KeyMapper::PEV_VIEW5) |
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| 315 | { |
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| 316 | this->setViewMode(Camera::ViewTop); |
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| 317 | } |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | |
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| 322 | void Camera::loadParams(const TiXmlElement* root) |
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| 323 | { |
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| 324 | // Do the PNode loading stuff |
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| 325 | WorldEntity::loadParams(root); |
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| 326 | |
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| 327 | LoadParam(root, "viewTopFovy", this, Camera, setViewTopFovy); |
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| 328 | LoadParam(root, "viewFrontFovy", this, Camera, setViewFrontFovy); |
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| 329 | LoadParam(root, "viewLeftFovy", this, Camera, setViewLeftFovy); |
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| 330 | LoadParam(root, "viewRightFovy", this, Camera, setViewRightFovy); |
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| 331 | LoadParam(root, "viewBehindFovy", this, Camera, setViewBehindFovy); |
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| 332 | LoadParam(root, "viewNormalFovy", this, Camera, setViewNormalFovy); |
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| 333 | |
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| 334 | LoadParam(root, "viewTopDistance", this, Camera, setViewTopDistance); |
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| 335 | LoadParam(root, "viewFrontDistance", this, Camera, setViewFrontDistance); |
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| 336 | LoadParam(root, "viewLeftDistance", this, Camera, setViewLeftDistance); |
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| 337 | LoadParam(root, "viewRightDistance", this, Camera, setViewRightDistance); |
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| 338 | LoadParam(root, "viewBehindDistance", this, Camera, setViewBehindDistance); |
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| 339 | LoadParam(root, "viewNormalDistance", this, Camera, setViewNormalDistance); |
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| 340 | } |
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| 341 | |
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| 342 | |
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| 343 | void Camera::setViewTopFovy(float fovy) |
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| 344 | { |
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| 345 | this->viewTopFovy = fovy; |
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| 346 | } |
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| 347 | |
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| 348 | void Camera::setViewFrontFovy(float fovy) |
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| 349 | { |
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| 350 | this->viewFrontFovy = fovy; |
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| 351 | } |
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| 352 | |
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| 353 | void Camera::setViewLeftFovy(float fovy) |
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| 354 | { |
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| 355 | this->viewLeftFovy = fovy; |
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| 356 | } |
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| 357 | |
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| 358 | void Camera::setViewRightFovy(float fovy) |
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| 359 | { |
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| 360 | this->viewRightFovy = fovy; |
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| 361 | } |
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| 362 | |
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| 363 | void Camera::setViewBehindFovy(float fovy) |
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| 364 | { |
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| 365 | this->viewBehindFovy = fovy; |
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| 366 | } |
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| 367 | |
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| 368 | void Camera::setViewNormalFovy(float fovy) |
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| 369 | { |
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| 370 | this->viewNormalFovy = fovy; |
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| 371 | } |
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| 372 | |
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| 373 | void Camera::setViewTopDistance(float Distance) |
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| 374 | { |
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| 375 | this->viewTopDistance = Distance; |
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| 376 | } |
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| 377 | |
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| 378 | void Camera::setViewFrontDistance(float Distance) |
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| 379 | { |
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| 380 | this->viewFrontDistance = Distance; |
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| 381 | } |
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| 382 | |
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| 383 | void Camera::setViewLeftDistance(float Distance) |
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| 384 | { |
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| 385 | this->viewLeftDistance = Distance; |
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| 386 | } |
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| 387 | |
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| 388 | void Camera::setViewRightDistance(float Distance) |
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| 389 | { |
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| 390 | this->viewRightDistance = Distance; |
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| 391 | } |
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| 392 | |
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| 393 | void Camera::setViewBehindDistance(float Distance) |
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| 394 | { |
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| 395 | this->viewBehindDistance = Distance; |
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| 396 | } |
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| 397 | |
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| 398 | void Camera::setViewNormalDistance(float Distance) |
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| 399 | { |
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| 400 | this->viewNormalDistance = Distance; |
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| 401 | } |
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| 402 | |
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| 403 | |
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| 404 | |
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| 405 | |
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| 406 | void Camera::glLookAt(float eyex, float eyey, float eyez, float centerx, float centery, float centerz, float upx, float upy, float upz) |
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| 407 | { |
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| 408 | //Vector* eye=new Vector(eyex, eyey, eyez); |
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| 409 | Vector* center=new Vector (centerx, centery, centerz); |
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| 410 | Vector* up=new Vector(upx, upy, upz); |
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| 411 | |
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| 412 | center->x-=eyex; |
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| 413 | center->y-=eyey; |
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| 414 | center->z-=eyez; |
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| 415 | |
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| 416 | center->normalize(); |
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| 417 | up->normalize(); |
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| 418 | Vector* s = VectorProd(center, up); |
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| 419 | Vector* u = VectorProd(s, center); |
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| 420 | GLfloat Matrix[]={s->x, s->y, s->z, 0, u->x, u->y, u->z, 0, -center->x, -center->y, -center->z, 0, 0, 0, 0, 1}; |
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| 421 | |
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| 422 | glMultMatrixf(Matrix); |
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| 423 | glTranslated(-eyex, -eyey, -eyez); |
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| 424 | delete center; |
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| 425 | delete up; |
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| 426 | delete s; |
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| 427 | delete u; |
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| 428 | |
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| 429 | } |
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| 430 | |
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| 431 | |
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| 432 | |
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| 433 | |
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| 434 | Vector* Camera::VectorProd(Vector* v1, Vector* v2) |
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| 435 | { |
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| 436 | Vector* temp= new Vector(); |
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| 437 | temp->x=v1->y * v2->z - v1->z * v2->y; |
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| 438 | temp->y=v1->z * v2->x - v1->x * v2->z; |
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| 439 | temp->z=v1->x * v2->y - v1->y * v2->x; |
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| 440 | return temp; |
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| 441 | } |
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| 442 | |
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| 443 | |
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| 444 | |
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| 445 | |
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| 446 | |
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| 447 | |
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| 448 | |
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| 449 | |
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| 450 | |
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| 451 | |
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| 452 | |
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| 453 | |
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| 454 | |
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| 455 | |
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| 456 | /////////////////// |
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| 457 | // CAMERA-TARGET // |
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| 458 | /////////////////// |
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| 459 | //REATE_FACTORY(CameraTarget); |
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| 460 | |
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| 461 | |
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| 462 | ObjectListDefinition(CameraTarget); |
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| 463 | |
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| 464 | |
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| 465 | CameraTarget::CameraTarget() |
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| 466 | { |
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| 467 | this->registerObject(this, CameraTarget::_objectList); |
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| 468 | // this->setParentMode(PNODE_MOVEMENT); |
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| 469 | this->speed=1; |
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| 470 | translateTo.x=0; |
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| 471 | translateTo.y=0; |
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| 472 | translateTo.z=0; |
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| 473 | rotateBy.x=0; |
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| 474 | rotateBy.y=0; |
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| 475 | rotateBy.z=0; |
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| 476 | target=createStick(); |
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| 477 | } |
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| 478 | |
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| 479 | |
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| 480 | void CameraTarget::detach() |
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| 481 | { |
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| 482 | masta->setParentSoft(target); |
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| 483 | masta->getTargetNode()->setParentSoft(target); |
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| 484 | } |
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| 485 | |
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| 486 | PNode* CameraTarget::createStick() |
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| 487 | { |
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| 488 | return new Targets(); |
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| 489 | } |
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| 490 | |
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| 491 | |
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| 492 | void CameraTarget::atach(PNode* object) |
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| 493 | { |
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| 494 | masta->setParentSoft(object); |
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| 495 | masta->getTargetNode()->setParentSoft(object); |
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| 496 | } |
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| 497 | |
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| 498 | |
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| 499 | |
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| 500 | |
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| 501 | Vector CameraTarget::iterate(float dt, const Vector* Target, const Vector* cam) |
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| 502 | { |
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| 503 | |
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| 504 | |
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| 505 | Vector tmpVec; |
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| 506 | tmpVec= (*Target - *cam); |
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| 507 | tmpVec.normalize(); |
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| 508 | return tmpVec; |
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| 509 | |
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| 510 | } |
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| 511 | |
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| 512 | |
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| 513 | void CameraTarget::translate(float dt) |
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| 514 | { |
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| 515 | if (fabs(translateTo.len() - (target->getAbsCoor()).len()) >= 11 ) |
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| 516 | { |
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| 517 | Vector tmpVec= iterate(dt, &translateTo, &(masta->getAbsCoor())); |
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| 518 | target->shiftCoor(speed*tmpVec.x, speed*tmpVec.y, speed*tmpVec.z); |
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| 519 | } |
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| 520 | } |
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| 521 | |
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| 522 | Vector * CameraTarget::rotate(Vector* newPos, float speed) |
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| 523 | { |
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| 524 | |
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| 525 | } |
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| 526 | |
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| 527 | void CameraTarget::jump(float x, float y, float z) |
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| 528 | { |
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| 529 | target->setAbsCoor(x,y,z); |
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| 530 | } |
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| 531 | |
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| 532 | |
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| 533 | void CameraTarget::trans(float x, float y, float z) |
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| 534 | { |
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| 535 | Vector tmpVec=Vector(x,y,z); |
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| 536 | if( this->getParent()) |
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| 537 | this->getParent()->setRelCoor(this->getParent()->getRelCoor()); |
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| 538 | translateNow(&tmpVec); |
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| 539 | } |
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| 540 | |
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| 541 | void CameraTarget::translateNow(Vector* vec) |
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| 542 | { |
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| 543 | translateTo=*vec; |
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| 544 | } |
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| 545 | |
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| 546 | void CameraTarget::changeSpeed(float speed) |
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| 547 | { |
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| 548 | if (speed!=0) |
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| 549 | this->speed=speed; |
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| 550 | return; |
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| 551 | } |
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| 552 | |
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| 553 | |
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| 554 | bool CameraTarget::isDone() |
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| 555 | { |
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| 556 | if (fabs(translateTo.len() - (target->getAbsCoor()).len()) >= 11 ) |
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| 557 | return 0; |
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| 558 | else |
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| 559 | return 1; |
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| 560 | } |
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