[2036] | 1 | |
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| 2 | |
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[4570] | 3 | /* |
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[2036] | 4 | orxonox - the future of 3D-vertical-scrollers |
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| 5 | |
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| 6 | Copyright (C) 2004 orx |
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| 7 | |
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| 8 | This program is free software; you can redistribute it and/or modify |
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| 9 | it under the terms of the GNU General Public License as published by |
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| 10 | the Free Software Foundation; either version 2, or (at your option) |
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| 11 | any later version. |
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| 12 | |
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| 13 | ### File Specific: |
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| 14 | main-programmer: Patrick Boenzli |
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[2190] | 15 | co-programmer: Christian Meyer |
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[2036] | 16 | */ |
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[5300] | 17 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD_ENTITY |
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[2036] | 18 | |
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| 19 | #include "world_entity.h" |
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[5208] | 20 | #include "shell_command.h" |
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[5143] | 21 | |
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[5511] | 22 | #include "model.h" |
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[5143] | 23 | #include "resource_manager.h" |
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| 24 | #include "load_param.h" |
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[3608] | 25 | #include "list.h" |
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[3803] | 26 | #include "vector.h" |
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[4682] | 27 | #include "obb_tree.h" |
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[3608] | 28 | |
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[2036] | 29 | using namespace std; |
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| 30 | |
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[5208] | 31 | SHELL_COMMAND(model, WorldEntity, loadModel) |
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| 32 | ->describe("sets the Model of the WorldEntity") |
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[5555] | 33 | ->defaultValues(2, "models/ships/fighter.obj", 1.0); |
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[5208] | 34 | |
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| 35 | |
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[2043] | 36 | /** |
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[4836] | 37 | * Loads the WordEntity-specific Part of any derived Class |
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[5498] | 38 | * |
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| 39 | * @param root: Normally NULL, as the Derived Entities define a loadParams Function themeselves, |
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| 40 | * that can calls WorldEntities loadParams for itself. |
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| 41 | */ |
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[4261] | 42 | WorldEntity::WorldEntity(const TiXmlElement* root) |
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[5996] | 43 | : Synchronizeable() |
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[2190] | 44 | { |
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[4320] | 45 | this->setClassID(CL_WORLD_ENTITY, "WorldEntity"); |
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[4597] | 46 | |
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[4682] | 47 | this->obbTree = NULL; |
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[4261] | 48 | |
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[5995] | 49 | if (root != NULL) |
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[4261] | 50 | this->loadParams(root); |
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| 51 | |
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[4885] | 52 | this->setVisibiliy(true); |
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[2190] | 53 | } |
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[2043] | 54 | |
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| 55 | /** |
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[4836] | 56 | * standard destructor |
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[2043] | 57 | */ |
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[2190] | 58 | WorldEntity::~WorldEntity () |
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[2036] | 59 | { |
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[5498] | 60 | // Delete the obbTree |
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[5302] | 61 | if( this->obbTree != NULL) |
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[4814] | 62 | delete this->obbTree; |
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[5994] | 63 | |
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| 64 | // Delete the model (unregister it with the ResourceManager) |
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| 65 | this->setModel(NULL); |
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[3531] | 66 | } |
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| 67 | |
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[5498] | 68 | /** |
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| 69 | * loads the WorldEntity Specific Parameters. |
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| 70 | * @param root: the XML-Element to load the Data From |
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| 71 | */ |
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[4436] | 72 | void WorldEntity::loadParams(const TiXmlElement* root) |
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| 73 | { |
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[5498] | 74 | // Do the PNode loading stuff |
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[4436] | 75 | static_cast<PNode*>(this)->loadParams(root); |
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[5498] | 76 | |
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[4436] | 77 | // Model Loading |
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[5671] | 78 | LoadParam(root, "model", this, WorldEntity, loadModel) |
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[5652] | 79 | .describe("the fileName of the model, that should be loaded onto this world-entity. (must be relative to the data-dir)") |
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[5995] | 80 | .defaultValues(3, NULL, 1.0f, 0); |
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[5465] | 81 | |
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[4436] | 82 | } |
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| 83 | |
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[3531] | 84 | /** |
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[4885] | 85 | * loads a Model onto a WorldEntity |
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[4836] | 86 | * @param fileName the name of the model to load |
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[5057] | 87 | * @param scaling the Scaling of the model |
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[5498] | 88 | * |
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| 89 | * @todo fix this, so it only has one loadModel-Function. |
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[4261] | 90 | */ |
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[5995] | 91 | void WorldEntity::loadModel(const char* fileName, float scaling, unsigned int modelNumber) |
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[4261] | 92 | { |
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[4732] | 93 | if (fileName != NULL) |
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| 94 | { |
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[5066] | 95 | PRINTF(4)("fetching %s\n", fileName); |
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[5057] | 96 | if (scaling == 1.0) |
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[5994] | 97 | this->setModel((Model*)ResourceManager::getInstance()->load(fileName, OBJ, RP_CAMPAIGN)); |
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[5057] | 98 | else |
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[5994] | 99 | this->setModel((Model*)ResourceManager::getInstance()->load(fileName, OBJ, RP_CAMPAIGN, &scaling)); |
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[5057] | 100 | |
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[5061] | 101 | this->buildObbTree(4); |
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[4732] | 102 | } |
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| 103 | else |
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[5995] | 104 | this->setModel(NULL); |
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[4261] | 105 | } |
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| 106 | |
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[5061] | 107 | /** |
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[5994] | 108 | * sets a specific Model for the Object. |
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| 109 | * @param model The Model to set |
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| 110 | * @param modelNumber the n'th model in the List to get. |
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| 111 | */ |
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| 112 | void WorldEntity::setModel(Model* model, unsigned int modelNumber) |
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| 113 | { |
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[5995] | 114 | if (this->models.size() <= modelNumber) |
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| 115 | this->models.resize(modelNumber+1, NULL); |
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| 116 | |
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| 117 | if (this->models[modelNumber] != NULL) |
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[5994] | 118 | { |
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[5995] | 119 | Resource* resource = ResourceManager::getInstance()->locateResourceByPointer(this->models[modelNumber]); |
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[5994] | 120 | if (resource != NULL) |
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| 121 | ResourceManager::getInstance()->unload(resource, RP_LEVEL); |
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| 122 | else |
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[5995] | 123 | delete this->models[modelNumber]; |
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[5994] | 124 | } |
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[5995] | 125 | this->models[modelNumber] = model; |
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[5994] | 126 | |
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| 127 | // if (this->model != NULL) |
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| 128 | // this->buildObbTree(4); |
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| 129 | } |
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| 130 | |
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| 131 | |
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| 132 | /** |
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[5061] | 133 | * builds the obb-tree |
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| 134 | * @param depth the depth to calculate |
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| 135 | */ |
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| 136 | bool WorldEntity::buildObbTree(unsigned int depth) |
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| 137 | { |
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[5428] | 138 | if (this->obbTree) |
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| 139 | delete this->obbTree; |
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| 140 | |
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[5995] | 141 | if (this->models[0] != NULL) |
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[5428] | 142 | { |
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| 143 | PRINTF(4)("creating obb tree\n"); |
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[5708] | 144 | |
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| 145 | |
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[5995] | 146 | this->obbTree = new OBBTree(depth, (sVec3D*)this->models[0]->getVertexArray(), this->models[0]->getVertexCount()); |
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[5428] | 147 | return true; |
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| 148 | } |
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| 149 | else |
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| 150 | { |
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| 151 | PRINTF(2)("could not create obb-tree, because no model was loaded yet\n"); |
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| 152 | this->obbTree = NULL; |
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| 153 | return false; |
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| 154 | } |
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[5061] | 155 | } |
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[5057] | 156 | |
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[5061] | 157 | |
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[4261] | 158 | /** |
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[4885] | 159 | * sets the character attributes of a worldentity |
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[4836] | 160 | * @param character attributes |
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[4885] | 161 | * |
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| 162 | * these attributes don't have to be set, only use them, if you need them |
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[2043] | 163 | */ |
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[5498] | 164 | //void WorldEntity::setCharacterAttributes(CharacterAttributes* charAttr) |
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| 165 | //{} |
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[2036] | 166 | |
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[3583] | 167 | |
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[2043] | 168 | /** |
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[5029] | 169 | * this function is called, when two entities collide |
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| 170 | * @param entity: the world entity with whom it collides |
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| 171 | * |
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| 172 | * Implement behaviour like damage application or other miscellaneous collision stuff in this function |
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| 173 | */ |
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| 174 | void WorldEntity::collidesWith(WorldEntity* entity, const Vector& location) |
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| 175 | { |
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[5498] | 176 | /** |
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| 177 | * THIS IS A DEFAULT COLLISION-Effect. |
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| 178 | * IF YOU WANT TO CREATE A SPECIFIC COLLISION ON EACH OBJECT |
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| 179 | * USE:: |
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| 180 | * if (entity->isA(CL_WHAT_YOU_ARE_LOOKING_FOR)) { printf "dothings"; }; |
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| 181 | * |
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| 182 | * You can always define a default Action.... don't be affraid just test it :) |
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| 183 | */ |
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[5257] | 184 | // PRINTF(3)("collision %s vs %s @ (%f,%f,%f)\n", this->getClassName(), entity->getClassName(), location.x, location.y, location.z); |
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[5029] | 185 | } |
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| 186 | |
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[2043] | 187 | |
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| 188 | /** |
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[5498] | 189 | * this is called immediately after the Entity has been constructed, initialized and then Spawned into the World |
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[4885] | 190 | * |
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[5498] | 191 | */ |
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[3229] | 192 | void WorldEntity::postSpawn () |
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[2190] | 193 | { |
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| 194 | } |
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[2043] | 195 | |
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[3583] | 196 | |
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[2043] | 197 | /** |
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[4836] | 198 | * this method is called by the world if the WorldEntity leaves valid gamespace |
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[4885] | 199 | * |
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| 200 | * For free entities this means it left the Track boundaries. With bound entities it means its Location adresses a |
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| 201 | * place that is not in the world anymore. In both cases you might have to take extreme measures (a.k.a. call destroy). |
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[5498] | 202 | * |
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| 203 | * NOT YET IMPLEMENTED |
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| 204 | */ |
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[3583] | 205 | void WorldEntity::leftWorld () |
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[2190] | 206 | { |
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| 207 | } |
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[2043] | 208 | |
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[3583] | 209 | |
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[2190] | 210 | /** |
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[4836] | 211 | * this method is called every frame |
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| 212 | * @param time: the time in seconds that has passed since the last tick |
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[4885] | 213 | * |
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| 214 | * Handle all stuff that should update with time inside this method (movement, animation, etc.) |
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[2043] | 215 | */ |
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[4570] | 216 | void WorldEntity::tick(float time) |
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[2190] | 217 | { |
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| 218 | } |
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[3583] | 219 | |
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[5498] | 220 | |
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[3583] | 221 | /** |
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[4836] | 222 | * the entity is drawn onto the screen with this function |
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[4885] | 223 | * |
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| 224 | * This is a central function of an entity: call it to let the entity painted to the screen. |
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| 225 | * Just override this function with whatever you want to be drawn. |
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[3365] | 226 | */ |
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[5500] | 227 | void WorldEntity::draw() const |
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[3803] | 228 | { |
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| 229 | glMatrixMode(GL_MODELVIEW); |
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| 230 | glPushMatrix(); |
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| 231 | float matrix[4][4]; |
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[4570] | 232 | |
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[3803] | 233 | /* translate */ |
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[4570] | 234 | glTranslatef (this->getAbsCoor ().x, |
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| 235 | this->getAbsCoor ().y, |
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| 236 | this->getAbsCoor ().z); |
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[5435] | 237 | /* rotate */ // FIXME: devise a new Way to rotate this |
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[3803] | 238 | this->getAbsDir ().matrix (matrix); |
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| 239 | glMultMatrixf((float*)matrix); |
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[2043] | 240 | |
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[5995] | 241 | if (this->models[0]) |
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| 242 | this->models[0]->draw(); |
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[3803] | 243 | glPopMatrix(); |
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| 244 | } |
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[3583] | 245 | |
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[5498] | 246 | /** |
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| 247 | * DEBUG-DRAW OF THE BV-Tree. |
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| 248 | * @param depth What depth to draw |
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| 249 | * @param drawMode the mode to draw this entity under |
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| 250 | */ |
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[5501] | 251 | void WorldEntity::drawBVTree(unsigned int depth, int drawMode) const |
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[4684] | 252 | { |
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| 253 | glMatrixMode(GL_MODELVIEW); |
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| 254 | glPushMatrix(); |
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| 255 | /* translate */ |
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| 256 | glTranslatef (this->getAbsCoor ().x, |
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| 257 | this->getAbsCoor ().y, |
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| 258 | this->getAbsCoor ().z); |
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| 259 | /* rotate */ |
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[4998] | 260 | Vector tmpRot = this->getAbsDir().getSpacialAxis(); |
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| 261 | glRotatef (this->getAbsDir().getSpacialAxisAngle(), tmpRot.x, tmpRot.y, tmpRot.z ); |
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[4684] | 262 | |
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| 263 | if (this->obbTree) |
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| 264 | this->obbTree->drawBV(depth, drawMode); |
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| 265 | glPopMatrix(); |
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| 266 | } |
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