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: Reto Luechinger |
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13 | */ |
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14 | |
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15 | |
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16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY |
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17 | #include "adm_turret.h" |
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18 | #include "weapons/weapon_manager.h" |
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19 | #include "weapons/weapon.h" |
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20 | #include "lib/util/loading/factory.h" |
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21 | #include "world_entities/projectiles/projectile.h" |
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22 | #include "loading/load_param.h" |
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23 | #include "debug.h" |
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24 | #include "loading/load_param_xml.h" |
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25 | |
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26 | #include "environments/bsp_entity.h" |
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27 | #include "effects/explosion.h" |
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28 | |
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29 | ObjectListDefinition(AdmTurret); |
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30 | CREATE_FACTORY(AdmTurret); |
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31 | |
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32 | /** |
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33 | * Standard constructor |
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34 | */ |
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35 | AdmTurret::AdmTurret () |
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36 | { |
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37 | this->init(); |
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38 | } |
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39 | |
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40 | /** |
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41 | * destructs the turret, deletes allocated memory |
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42 | */ |
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43 | AdmTurret::~AdmTurret () |
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44 | { |
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45 | // will be deleted |
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46 | } |
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47 | |
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48 | /** |
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49 | * Constructor with XML Element |
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50 | */ |
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51 | AdmTurret::AdmTurret (const TiXmlElement* root) |
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52 | { |
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53 | this->init(); |
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54 | if (root != NULL) |
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55 | { |
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56 | this->loadParams(root); |
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57 | } |
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58 | } |
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59 | /** |
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60 | * XML Loader |
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61 | */ |
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62 | void AdmTurret::loadParams(const TiXmlElement* root) |
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63 | { |
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64 | if (root != NULL) |
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65 | { |
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66 | WorldEntity::loadParams(root); |
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67 | |
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68 | LoadParam(root, "target", this, AdmTurret, setTarget) |
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69 | .describe("The filename of the World Entity, that is to be shot at") |
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70 | .defaultValues(""); |
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71 | LoadParam(root, "type", this, AdmTurret, setType) |
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72 | .describe("floor|ceil"); |
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73 | LoadParamXML(root, "Cannons", this, AdmTurret, addCannons) |
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74 | .describe("add cannons to ADM"); |
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75 | LoadParamXML(root, "Sensor", this, AdmTurret, addSensor) |
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76 | .describe("add sensor to ADM"); |
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77 | LoadParamXML(root, "Weapon", this, AdmTurret, addWeapon) |
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78 | .describe("add weapon to ADM"); |
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79 | } |
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80 | // this->removeNodeFlags( PNODE_ALL ); |
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81 | this->addNodeFlags( PNODE_ROTATE_AND_MOVE ); |
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82 | this->addNodeFlags( PNODE_REPARENT_KEEP_POSITION ); |
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83 | |
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84 | //HACK this is needed to get the correct coordinates instead (0, 0, 0) |
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85 | this->updateNode( 0 ); |
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86 | |
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87 | if ( this->isCeil ) |
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88 | { |
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89 | Vector a = this->sensor->getRelCoor(); |
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90 | this->sensor->setRelCoor( -a.x, -a.y, -a.z ); |
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91 | a = this->cannons->getRelCoor(); |
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92 | this->cannons->setRelCoor( -a.x, -a.y, -a.z ); |
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93 | } |
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94 | } |
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95 | |
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96 | /** |
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97 | * Sets Target onto the World Entity with filename "target", given as String |
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98 | */ |
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99 | void AdmTurret::setTarget(const std::string& target) |
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100 | { |
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101 | WorldEntity* targetEntity = WorldEntity::objectList().getObject(target); |
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102 | if (targetEntity != NULL) |
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103 | { |
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104 | this->myTarget = targetEntity; |
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105 | } |
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106 | else |
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107 | { |
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108 | PRINTF(1)("ERROR ADMTURRET : Target %s does not exist\n", target.c_str()); |
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109 | } |
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110 | } |
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111 | |
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112 | void AdmTurret::setType( const std::string& type ) |
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113 | { |
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114 | if ( type == "floor" ) |
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115 | { |
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116 | this->isCeil = false; |
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117 | return; |
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118 | } |
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119 | |
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120 | if ( type == "ceil" ) |
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121 | { |
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122 | this->isCeil = true; |
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123 | return; |
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124 | } |
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125 | |
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126 | //invalid argument |
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127 | PRINTF(1)("%s is not a valid type for AdmTurret\n", type.c_str()); |
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128 | assert("false"); |
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129 | } |
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130 | |
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131 | void AdmTurret::init() |
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132 | { |
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133 | this->registerObject(this, AdmTurret::_objectList); |
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134 | this->setHealthMax(100); |
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135 | this->setHealth(100); |
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136 | this->bodyAngle = this->cannonAngle = 0.0f; |
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137 | this->isActive = true; |
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138 | this->range = 400; |
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139 | this->isCeil = false; |
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140 | this->playerVisible = false; |
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141 | this->weapon = NULL; |
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142 | |
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143 | |
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144 | } |
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145 | |
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146 | void AdmTurret::tick(float dt) |
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147 | { |
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148 | WorldEntity::tick(dt); |
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149 | if (this->weapon) this->weapon->fire(false); |
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150 | if ( this->getHealth() <= 0 ) |
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151 | { |
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152 | this->moveTowards( Vector(0, -1, 0), dt*2 ); |
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153 | } |
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154 | else |
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155 | { |
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156 | |
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157 | |
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158 | this->updatePlayerVisible(); |
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159 | |
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160 | //rotate sensor 2PI/sec |
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161 | this->sensor->setAbsDir( this->sensor->getAbsDir() * Quaternion( PI*2*dt, Vector( 0, -1, 0 ) ) ); |
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162 | |
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163 | |
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164 | Vector playerPos = this->myTarget->getAbsCoor() + Vector(0, 12, 0); |
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165 | Vector ds = playerPos - ( this->cannons->getAbsCoor() ); |
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166 | if ( isActive && ds.len() <= range && playerVisible ) |
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167 | { |
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168 | this->moveTowards( ds, dt); |
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169 | |
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170 | //if target within +/- 2.5 degrees of aim -> fire |
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171 | Vector dv1 = ds; |
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172 | dv1.normalize(); |
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173 | Vector dv2 = this->cannons->getAbsDir().apply( Vector(-1, 0, 0)); |
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174 | dv2.normalize(); |
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175 | float angle = dv1.dot(dv2); |
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176 | if ( angle > 0.999 && this->myTarget->getOMListNumber()!=OM_DEAD ) |
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177 | { |
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178 | if (this->weapon) this->weapon->fire(true); |
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179 | } |
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180 | } |
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181 | else |
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182 | { |
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183 | if ( !( isActive && ds.len() <= range ) ) |
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184 | this->moveTowards( Vector(0, -1, 0), dt ); |
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185 | } |
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186 | } |
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187 | } |
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188 | |
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189 | void AdmTurret::draw() const |
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190 | { |
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191 | WorldEntity::draw(); |
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192 | |
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193 | #if 0 |
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194 | glMatrixMode(GL_MODELVIEW); |
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195 | glPushMatrix(); |
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196 | |
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197 | glPushAttrib(GL_ENABLE_BIT); |
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198 | |
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199 | glDisable(GL_LIGHTING); |
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200 | glDisable(GL_TEXTURE_2D); |
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201 | glDisable(GL_BLEND); |
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202 | glLineWidth(2.0); |
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203 | |
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204 | |
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205 | Vector mp = this->cannons->getAbsCoor(); |
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206 | Vector op = this->cannons->getAbsDir().apply( Vector(-1, 0, 0) ); |
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207 | op *= 100; |
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208 | op += mp; |
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209 | |
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210 | glColor3f(1.0, 0.0, 0.0 ); |
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211 | glBegin(GL_LINE_STRIP); |
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212 | glVertex3f(mp.x, mp.y, mp.z); |
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213 | glVertex3f(op.x, op.y, op.z); |
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214 | glEnd(); |
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215 | |
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216 | op = this->myTarget->getAbsCoor() - ( this->cannons->getAbsCoor() ); |
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217 | op += mp; |
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218 | |
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219 | glColor3f(0.0, 1.0, 0.0 ); |
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220 | glBegin(GL_LINE_STRIP); |
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221 | glVertex3f(mp.x, mp.y, mp.z); |
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222 | glVertex3f(op.x, op.y, op.z); |
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223 | glEnd(); |
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224 | |
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225 | glPopAttrib(); |
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226 | glPopMatrix(); |
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227 | #endif |
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228 | } |
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229 | |
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230 | void AdmTurret::collidesWith(WorldEntity* entity, const Vector& location) |
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231 | { |
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232 | } |
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233 | |
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234 | void AdmTurret::activate() |
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235 | { |
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236 | } |
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237 | |
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238 | void AdmTurret::deactivate() |
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239 | { |
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240 | } |
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241 | |
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242 | void AdmTurret::addCannons( const TiXmlElement * root ) |
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243 | { |
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244 | this->cannons = new DamageForwardingWorldEntity( this ); |
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245 | this->cannons->setParent(this); |
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246 | this->cannons->loadParams( root ); |
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247 | |
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248 | //this->cannons->addNodeFlags(PNODE_PROHIBIT_DELETE_WITH_PARENT); |
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249 | //this->cannons->addNodeFlags(PNODE_PROHIBIT_CHILD_DELETE); |
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250 | |
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251 | this->cannons->toList( getOMListNumber() ); |
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252 | this->cannons->setForwardDamageToParent( true ); |
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253 | } |
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254 | |
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255 | void AdmTurret::addWeapon( const TiXmlElement * root ) |
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256 | { |
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257 | this->weapon = new BspWeapon(getOMListNumber()); |
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258 | this->weapon->setParent( this->cannons ); |
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259 | this->weapon->loadParams(root); |
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260 | this->weapon->toList( getOMListNumber() ); |
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261 | //this->weapon->setAbsCoor( this->cannons->getAbsCoor() ); |
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262 | this->weapon->setAbsDir( this->weapon->getAbsDir() * Quaternion( PI, Vector(0, 1, 0) ) ); |
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263 | |
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264 | this->weapon->setForwardDamageToParent( true ); |
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265 | } |
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266 | |
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267 | void AdmTurret::addSensor( const TiXmlElement * root ) |
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268 | { |
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269 | this->sensor = new DamageForwardingWorldEntity( this ); |
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270 | this->sensor->setParent(this); |
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271 | this->sensor->loadParams( root ); |
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272 | |
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273 | //this->sensor->addNodeFlags(PNODE_PROHIBIT_DELETE_WITH_PARENT); |
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274 | //this->sensor->addNodeFlags(PNODE_PROHIBIT_CHILD_DELETE); |
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275 | |
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276 | } |
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277 | |
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278 | void AdmTurret::moveTowards( Vector targetDir, float dt ) |
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279 | { |
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280 | if ( this->cannons->getParent() != NullParent::getNullParent() ) |
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281 | { |
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282 | this->cannons->setParent( NullParent::getNullParent() ); |
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283 | this->cannons->shiftCoor( this->getAbsCoor() ); |
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284 | |
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285 | this->sensor->setParent( NullParent::getNullParent() ); |
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286 | this->sensor->shiftCoor( this->getAbsCoor() ); |
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287 | } |
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288 | |
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289 | targetDir.normalize(); |
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290 | |
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291 | float dAngle = dt; |
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292 | |
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293 | float bestResult = -1.0f; |
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294 | Quaternion bestBodyRot; |
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295 | Quaternion bestCannonRot; |
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296 | float bestBodyAngle = 0.0f; |
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297 | float bestCannonAngle = 0.0f; |
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298 | |
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299 | Quaternion baseRot(0, Vector(1, 0, 0)); |
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300 | if ( isCeil ) |
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301 | { |
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302 | baseRot = Quaternion( PI, Vector( 1, 0, 0 ) ); |
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303 | } |
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304 | |
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305 | for ( int dBodyAngle = -1; dBodyAngle<2; dBodyAngle++ ) |
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306 | { |
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307 | for ( int dCannonAngle = -1; dCannonAngle<2; dCannonAngle++ ) |
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308 | { |
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309 | float bodyAngle = this->bodyAngle + dBodyAngle*dAngle; |
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310 | float cannonAngle = this->cannonAngle + dCannonAngle*dAngle; |
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311 | |
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312 | while ( bodyAngle > 2*PI ) |
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313 | bodyAngle -= 2*PI; |
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314 | while ( bodyAngle < 0 ) |
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315 | bodyAngle += 2*PI; |
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316 | while ( cannonAngle > 2*PI ) |
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317 | cannonAngle -= 2*PI; |
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318 | while ( cannonAngle < 0 ) |
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319 | cannonAngle += 2*PI; |
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320 | |
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321 | Quaternion bodyRot( bodyAngle, Vector( 0, 1, 0 ) ); |
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322 | Quaternion cannonRot( cannonAngle, Vector( 0, 0, 1) ); |
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323 | |
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324 | bodyRot = baseRot * bodyRot; |
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325 | cannonRot = baseRot * cannonRot; |
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326 | |
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327 | float result = (bodyRot * cannonRot).apply( Vector( -1, 0, 0 ) ).dot( targetDir ); |
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328 | |
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329 | if ( result > bestResult ) |
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330 | { |
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331 | bestResult = result; |
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332 | bestBodyRot = bodyRot; |
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333 | bestBodyAngle = bodyAngle; |
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334 | bestCannonRot = cannonRot; |
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335 | bestCannonAngle = cannonAngle; |
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336 | } |
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337 | } |
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338 | } |
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339 | |
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340 | this->bodyAngle = bestBodyAngle; |
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341 | this->cannonAngle = bestCannonAngle; |
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342 | |
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343 | this->setAbsDir( bestBodyRot ); |
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344 | this->cannons->setAbsDir( bestBodyRot * bestCannonRot ); |
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345 | } |
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346 | |
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347 | void AdmTurret::updatePlayerVisible( ) |
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348 | { |
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349 | std::list<WorldEntity*>::iterator entityIterator; |
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350 | // for all bsp managers check all entities |
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351 | Vector pos = this->cannons->getAbsCoor(); |
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352 | Vector dir = this->myTarget->getAbsCoor() - pos + Vector(0, 12, 0); |
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353 | |
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354 | this->playerVisible = true; |
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355 | for( ObjectList<BspEntity>::const_iterator bspIterator = BspEntity::objectList().begin(); |
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356 | bspIterator != BspEntity::objectList().end(); |
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357 | bspIterator++) { |
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358 | float res = (dynamic_cast<BspEntity*>(*bspIterator)->getBspManager())->checkCollisionRay( pos, dir, dir.len() + 1 ); |
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359 | |
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360 | if ( res < dir.len() ) this->playerVisible = false; |
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361 | } |
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362 | } |
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363 | |
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364 | void AdmTurret::destroy( WorldEntity * killer ) |
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365 | { |
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366 | Explosion().explode(this->cannons,Vector(1,1,1)); |
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367 | } |
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