[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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[6169] | 23 | #include "md2Model.h" |
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[5143] | 24 | #include "resource_manager.h" |
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| 25 | #include "load_param.h" |
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[3608] | 26 | #include "list.h" |
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[3803] | 27 | #include "vector.h" |
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[4682] | 28 | #include "obb_tree.h" |
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[3608] | 29 | |
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[6002] | 30 | #include "state.h" |
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| 31 | |
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[2036] | 32 | using namespace std; |
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| 33 | |
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[5208] | 34 | SHELL_COMMAND(model, WorldEntity, loadModel) |
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| 35 | ->describe("sets the Model of the WorldEntity") |
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[5555] | 36 | ->defaultValues(2, "models/ships/fighter.obj", 1.0); |
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[5208] | 37 | |
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| 38 | |
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[2043] | 39 | /** |
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[4836] | 40 | * Loads the WordEntity-specific Part of any derived Class |
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[5498] | 41 | * |
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| 42 | * @param root: Normally NULL, as the Derived Entities define a loadParams Function themeselves, |
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| 43 | * that can calls WorldEntities loadParams for itself. |
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| 44 | */ |
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[4261] | 45 | WorldEntity::WorldEntity(const TiXmlElement* root) |
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[5996] | 46 | : Synchronizeable() |
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[2190] | 47 | { |
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[4320] | 48 | this->setClassID(CL_WORLD_ENTITY, "WorldEntity"); |
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[4597] | 49 | |
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[4682] | 50 | this->obbTree = NULL; |
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[4261] | 51 | |
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[5995] | 52 | if (root != NULL) |
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[4261] | 53 | this->loadParams(root); |
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| 54 | |
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[4885] | 55 | this->setVisibiliy(true); |
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[6142] | 56 | |
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| 57 | this->objectListNumber = OM_INIT; |
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| 58 | this->objectListIterator = NULL; |
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| 59 | |
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| 60 | this->toList(OM_NULL); |
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[2190] | 61 | } |
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[2043] | 62 | |
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| 63 | /** |
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[4836] | 64 | * standard destructor |
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[2043] | 65 | */ |
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[2190] | 66 | WorldEntity::~WorldEntity () |
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[2036] | 67 | { |
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[5498] | 68 | // Delete the obbTree |
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[5302] | 69 | if( this->obbTree != NULL) |
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[4814] | 70 | delete this->obbTree; |
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[5994] | 71 | |
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| 72 | // Delete the model (unregister it with the ResourceManager) |
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[6005] | 73 | for (unsigned int i = 0; i < this->models.size(); i++) |
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| 74 | this->setModel(NULL, i); |
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[6142] | 75 | |
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| 76 | State::getObjectManager()->toList(this, OM_INIT); |
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[3531] | 77 | } |
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| 78 | |
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[5498] | 79 | /** |
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| 80 | * loads the WorldEntity Specific Parameters. |
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| 81 | * @param root: the XML-Element to load the Data From |
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| 82 | */ |
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[4436] | 83 | void WorldEntity::loadParams(const TiXmlElement* root) |
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| 84 | { |
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[5498] | 85 | // Do the PNode loading stuff |
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[4436] | 86 | static_cast<PNode*>(this)->loadParams(root); |
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[5498] | 87 | |
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[4436] | 88 | // Model Loading |
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[5671] | 89 | LoadParam(root, "model", this, WorldEntity, loadModel) |
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[5652] | 90 | .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] | 91 | .defaultValues(3, NULL, 1.0f, 0); |
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[5465] | 92 | |
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[4436] | 93 | } |
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| 94 | |
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[3531] | 95 | /** |
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[4885] | 96 | * loads a Model onto a WorldEntity |
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[4836] | 97 | * @param fileName the name of the model to load |
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[5057] | 98 | * @param scaling the Scaling of the model |
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[5498] | 99 | * |
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| 100 | * @todo fix this, so it only has one loadModel-Function. |
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[4261] | 101 | */ |
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[5995] | 102 | void WorldEntity::loadModel(const char* fileName, float scaling, unsigned int modelNumber) |
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[4261] | 103 | { |
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[4732] | 104 | if (fileName != NULL) |
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[6142] | 105 | { |
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[6172] | 106 | // search for the special character # in the LoadParam |
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[6005] | 107 | if (strchr(fileName, '#') != NULL) |
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[6172] | 108 | { |
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| 109 | PRINTF(4)("Found # in %s... searching for LOD's\n", fileName); |
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| 110 | char* lodFile = new char[strlen(fileName)+1]; |
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| 111 | strcpy(lodFile, fileName); |
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| 112 | char* depth = strchr(lodFile, '#'); |
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| 113 | for (unsigned int i = 0; i < 5; i++) |
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[6005] | 114 | { |
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[6172] | 115 | *depth = 48+(int)i; |
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| 116 | printf("-------%s\n", lodFile); |
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| 117 | if (ResourceManager::isInDataDir(lodFile)) |
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| 118 | this->loadModel(lodFile, scaling, i); |
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[6005] | 119 | } |
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[6172] | 120 | return; |
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| 121 | } |
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[6005] | 122 | |
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[6172] | 123 | if(strstr(fileName, ".obj")) |
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| 124 | { |
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| 125 | PRINTF(4)("fetching OBJ file: %s\n", fileName); |
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| 126 | if (scaling == 1.0) |
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| 127 | this->setModel((Model*)ResourceManager::getInstance()->load(fileName, OBJ, RP_CAMPAIGN), modelNumber); |
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| 128 | else |
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| 129 | this->setModel((Model*)ResourceManager::getInstance()->load(fileName, OBJ, RP_CAMPAIGN, &scaling), modelNumber); |
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[6167] | 130 | |
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[6172] | 131 | if( modelNumber == 0) |
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| 132 | this->buildObbTree(4); |
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| 133 | } |
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| 134 | else if(strstr(fileName, ".md2")) |
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| 135 | { |
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[6175] | 136 | PRINTF(4)("fetching MD2 file: %s\n", fileName); |
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[6169] | 137 | // MD2Model* m = (MD2Model*)ResourceManager::getInstance()->load(fileName, MD2, RP_CAMPAIGN); |
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[6180] | 138 | Model* m = new MD2Model(fileName, "md2_fake_texture.bad"); |
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[6169] | 139 | //this->setModel((Model*)ResourceManager::getInstance()->load(fileName, MD2, RP_CAMPAIGN), 0); |
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[6180] | 140 | this->setModel(m, 0); |
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[6172] | 141 | } |
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[4732] | 142 | } |
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| 143 | else |
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[5995] | 144 | this->setModel(NULL); |
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[4261] | 145 | } |
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| 146 | |
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[5061] | 147 | /** |
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[5994] | 148 | * sets a specific Model for the Object. |
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| 149 | * @param model The Model to set |
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| 150 | * @param modelNumber the n'th model in the List to get. |
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| 151 | */ |
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| 152 | void WorldEntity::setModel(Model* model, unsigned int modelNumber) |
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| 153 | { |
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[5995] | 154 | if (this->models.size() <= modelNumber) |
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| 155 | this->models.resize(modelNumber+1, NULL); |
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| 156 | |
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| 157 | if (this->models[modelNumber] != NULL) |
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[6004] | 158 | { |
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[5995] | 159 | Resource* resource = ResourceManager::getInstance()->locateResourceByPointer(this->models[modelNumber]); |
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[6169] | 160 | // if (resource != NULL) |
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| 161 | ResourceManager::getInstance()->unload(resource, RP_LEVEL); |
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[5994] | 162 | } |
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[6169] | 163 | else |
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| 164 | delete this->models[modelNumber]; |
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| 165 | |
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[5995] | 166 | this->models[modelNumber] = model; |
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[5994] | 167 | |
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[6169] | 168 | |
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[6004] | 169 | // if (this->model != NULL) |
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[5994] | 170 | // this->buildObbTree(4); |
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| 171 | } |
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| 172 | |
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| 173 | |
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| 174 | /** |
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[5061] | 175 | * builds the obb-tree |
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| 176 | * @param depth the depth to calculate |
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| 177 | */ |
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| 178 | bool WorldEntity::buildObbTree(unsigned int depth) |
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| 179 | { |
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[5428] | 180 | if (this->obbTree) |
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| 181 | delete this->obbTree; |
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| 182 | |
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[5995] | 183 | if (this->models[0] != NULL) |
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[5428] | 184 | { |
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| 185 | PRINTF(4)("creating obb tree\n"); |
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[5708] | 186 | |
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| 187 | |
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[5995] | 188 | this->obbTree = new OBBTree(depth, (sVec3D*)this->models[0]->getVertexArray(), this->models[0]->getVertexCount()); |
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[5428] | 189 | return true; |
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| 190 | } |
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| 191 | else |
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| 192 | { |
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| 193 | PRINTF(2)("could not create obb-tree, because no model was loaded yet\n"); |
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| 194 | this->obbTree = NULL; |
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| 195 | return false; |
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| 196 | } |
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[5061] | 197 | } |
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[5057] | 198 | |
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[6142] | 199 | /** |
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| 200 | * @brief moves this entity to the List OM_List |
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| 201 | * @param list the list to set this Entity to. |
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| 202 | * |
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| 203 | * this is the same as a call to State::getObjectManager()->toList(entity , list); |
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| 204 | * directly, but with an easier interface. |
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| 205 | * |
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| 206 | * @todo inline this (peut etre) |
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| 207 | */ |
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| 208 | void WorldEntity::toList(OM_LIST list) |
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| 209 | { |
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| 210 | State::getObjectManager()->toList(this, list); |
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| 211 | } |
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[5061] | 212 | |
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[6142] | 213 | |
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| 214 | |
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[4261] | 215 | /** |
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[4885] | 216 | * sets the character attributes of a worldentity |
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[4836] | 217 | * @param character attributes |
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[4885] | 218 | * |
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| 219 | * these attributes don't have to be set, only use them, if you need them |
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[2043] | 220 | */ |
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[5498] | 221 | //void WorldEntity::setCharacterAttributes(CharacterAttributes* charAttr) |
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| 222 | //{} |
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[2036] | 223 | |
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[3583] | 224 | |
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[2043] | 225 | /** |
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[5029] | 226 | * this function is called, when two entities collide |
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| 227 | * @param entity: the world entity with whom it collides |
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| 228 | * |
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| 229 | * Implement behaviour like damage application or other miscellaneous collision stuff in this function |
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| 230 | */ |
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| 231 | void WorldEntity::collidesWith(WorldEntity* entity, const Vector& location) |
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| 232 | { |
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[5498] | 233 | /** |
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| 234 | * THIS IS A DEFAULT COLLISION-Effect. |
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| 235 | * IF YOU WANT TO CREATE A SPECIFIC COLLISION ON EACH OBJECT |
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| 236 | * USE:: |
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| 237 | * if (entity->isA(CL_WHAT_YOU_ARE_LOOKING_FOR)) { printf "dothings"; }; |
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| 238 | * |
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| 239 | * You can always define a default Action.... don't be affraid just test it :) |
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| 240 | */ |
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[5257] | 241 | // 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] | 242 | } |
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| 243 | |
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[2043] | 244 | |
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| 245 | /** |
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[5498] | 246 | * this is called immediately after the Entity has been constructed, initialized and then Spawned into the World |
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[4885] | 247 | * |
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[5498] | 248 | */ |
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[3229] | 249 | void WorldEntity::postSpawn () |
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[2190] | 250 | { |
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| 251 | } |
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[2043] | 252 | |
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[3583] | 253 | |
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[2043] | 254 | /** |
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[4836] | 255 | * this method is called by the world if the WorldEntity leaves valid gamespace |
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[4885] | 256 | * |
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| 257 | * For free entities this means it left the Track boundaries. With bound entities it means its Location adresses a |
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| 258 | * 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] | 259 | * |
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| 260 | * NOT YET IMPLEMENTED |
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| 261 | */ |
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[3583] | 262 | void WorldEntity::leftWorld () |
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[2190] | 263 | { |
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| 264 | } |
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[2043] | 265 | |
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[3583] | 266 | |
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[2190] | 267 | /** |
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[4836] | 268 | * this method is called every frame |
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| 269 | * @param time: the time in seconds that has passed since the last tick |
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[4885] | 270 | * |
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| 271 | * Handle all stuff that should update with time inside this method (movement, animation, etc.) |
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[2043] | 272 | */ |
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[4570] | 273 | void WorldEntity::tick(float time) |
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[2190] | 274 | { |
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| 275 | } |
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[3583] | 276 | |
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[5498] | 277 | |
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[3583] | 278 | /** |
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[4836] | 279 | * the entity is drawn onto the screen with this function |
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[4885] | 280 | * |
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| 281 | * This is a central function of an entity: call it to let the entity painted to the screen. |
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| 282 | * Just override this function with whatever you want to be drawn. |
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[3365] | 283 | */ |
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[5500] | 284 | void WorldEntity::draw() const |
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[3803] | 285 | { |
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[6005] | 286 | this->drawLODsafe(); |
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| 287 | } |
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| 288 | |
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[6169] | 289 | |
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| 290 | /** |
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| 291 | * this functions draws the model automaticaly in multiple LOD |
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| 292 | */ |
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[6005] | 293 | void WorldEntity::drawLODsafe() const |
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| 294 | { |
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[6169] | 295 | if (!unlikely(this->models.empty())) |
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[6002] | 296 | { |
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[6179] | 297 | glMatrixMode(GL_MODELVIEW); |
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| 298 | glPushMatrix(); |
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[4570] | 299 | |
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[6179] | 300 | /* translate */ |
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| 301 | glTranslatef (this->getAbsCoor ().x, |
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| 302 | this->getAbsCoor ().y, |
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| 303 | this->getAbsCoor ().z); |
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| 304 | Vector tmpRot = this->getAbsDir().getSpacialAxis(); |
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| 305 | glRotatef (this->getAbsDir().getSpacialAxisAngle(), tmpRot.x, tmpRot.y, tmpRot.z ); |
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[2043] | 306 | |
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[6004] | 307 | |
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| 308 | // This Draws the LOD's |
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[6179] | 309 | float cameraDistance = (State::getCamera()->getAbsCoor() - this->getAbsCoor()).len(); |
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| 310 | if (cameraDistance > 30 && this->models.size() >= 3 && this->models[2] != NULL) |
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| 311 | { |
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| 312 | this->models[2]->draw(); |
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[6004] | 313 | } |
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[6179] | 314 | else if (cameraDistance > 10 && this->models.size() >= 2 && this->models[1] != NULL) |
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[6002] | 315 | { |
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[6179] | 316 | this->models[1]->draw(); |
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| 317 | } |
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| 318 | else if (this->models.size() >= 1 && this->models[0] != NULL) |
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| 319 | { |
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[6002] | 320 | this->models[0]->draw(); |
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| 321 | } |
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[6179] | 322 | glPopMatrix(); |
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[6002] | 323 | } |
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[3803] | 324 | } |
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[3583] | 325 | |
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[5498] | 326 | /** |
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| 327 | * DEBUG-DRAW OF THE BV-Tree. |
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| 328 | * @param depth What depth to draw |
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| 329 | * @param drawMode the mode to draw this entity under |
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| 330 | */ |
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[5501] | 331 | void WorldEntity::drawBVTree(unsigned int depth, int drawMode) const |
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[4684] | 332 | { |
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| 333 | glMatrixMode(GL_MODELVIEW); |
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| 334 | glPushMatrix(); |
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| 335 | /* translate */ |
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| 336 | glTranslatef (this->getAbsCoor ().x, |
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| 337 | this->getAbsCoor ().y, |
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| 338 | this->getAbsCoor ().z); |
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| 339 | /* rotate */ |
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[4998] | 340 | Vector tmpRot = this->getAbsDir().getSpacialAxis(); |
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| 341 | glRotatef (this->getAbsDir().getSpacialAxisAngle(), tmpRot.x, tmpRot.y, tmpRot.z ); |
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[4684] | 342 | |
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| 343 | if (this->obbTree) |
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| 344 | this->obbTree->drawBV(depth, drawMode); |
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| 345 | glPopMatrix(); |
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| 346 | } |
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