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  1. #include "EDE_GridSceneNode.h"
  2. #include <stdio.h>
  3.  
  4.  
  5. /*  
  6.     ##############################
  7. 	# Setting Up the Cell Struct #
  8. 	##############################
  9. */
  10.  
  11. EDE_GridSceneNode::Cell::Cell()
  12. {
  13. 	this->topLeft = vector3df(); 
  14. 	this->topRight = vector3df(); 
  15. 	this->bottomLeft = vector3df();
  16. 	this->bottomRight = vector3df();
  17. 	this->id = 0;
  18. 	this->visible = false;
  19. }
  20.  
  21. EDE_GridSceneNode::Cell::Cell(vector3df topLeft, vector3df topRight, vector3df bottomLeft, vector3df bottomRight, int id, bool visible, SMaterial material)
  22. {
  23. 	this->id = id;
  24. 	this->visible = visible;
  25.  
  26. 	this->bottomLeft = bottomLeft;
  27. 	this->bottomRight = bottomRight;
  28. 	this->topLeft = topLeft;
  29. 	this->topRight = topRight;
  30. 	this->center = (bottomLeft + bottomRight + topLeft + topRight) / 4;
  31. 	this->Material = material;
  32. }
  33.  
  34. EDE_GridSceneNode::Cell::~Cell()
  35. {
  36.  
  37. }
  38.  
  39. void EDE_GridSceneNode::Cell::RenderCell(IVideoDriver* driver, SColor color = SColor(255, 255, 255, 255))
  40. {
  41. 	if (!visible)
  42. 		return;
  43.  
  44.  
  45. 	driver->setMaterial(this->Material);
  46. 	driver->setTransform(ETS_WORLD, matrix4());
  47. 	// Draw the Box
  48. 	driver->draw3DLine(topLeft, topRight, color); // TopLeft -> TopRight
  49. 	driver->draw3DLine(bottomLeft, bottomRight, color); // BottomLeft -> BottomRight
  50. 	driver->draw3DLine(topLeft, bottomLeft, color); // TopLeft -> BottomLeft
  51. 	driver->draw3DLine(topRight, bottomRight, color); // TopRight -> BottomRight
  52.  
  53. }
  54.  
  55. /*  
  56. 	##############################
  57. 	# Setting Up the Grid Class  #
  58. 	##############################
  59. */
  60. EDE_GridSceneNode::EDE_GridSceneNode(ISceneNode* parent, ISceneManager* smgr, s32 id)
  61. 	: scene::ISceneNode(parent, smgr, id)
  62. {
  63. 	gridCells = NULL;
  64.  
  65. 	Material.Wireframe = false;
  66. 	Material.Lighting = false;
  67. 	Material.Thickness = 1;
  68. 	Material.FogEnable = false;
  69. 	Material.ZWriteEnable = true;
  70. 	Material.ZBuffer = true;
  71. 	Material.BackfaceCulling = true;
  72. 	Material.AntiAliasing = true;
  73. }
  74.  
  75. void EDE_GridSceneNode::init( int width, int height, SColor color, vector3df gridPos, float cellSize)
  76. {
  77. 	this->cellSize = cellSize;
  78. 	this->width = floor32(width / cellSize);
  79. 	this->height = floor32(height / cellSize);
  80. 	this->gridPos = gridPos;
  81. 	this->color = color;
  82.  
  83. 	// Setting Up my 2D Grid Array
  84. 	gridCells = new Cell*[this->width];
  85. 	for (int i = 0; i < this->width; i++)
  86. 	{
  87. 		gridCells[i] = new Cell[this->height];
  88. 	}
  89.  
  90. 	Box.reset(gridPos);
  91.  
  92. }
  93.  
  94. void EDE_GridSceneNode::createGridFlat()
  95. {
  96. 	for (int z = 0; z < height; z++)
  97. 	{
  98. 		for (int x = 0; x < width; x++)
  99. 		{
  100. 			vector3df v1 = vector3df((gridPos.X * (x+1)) + (x*this->cellSize), gridPos.Y, (gridPos.Z * (z+1)) + (z*this->cellSize));
  101. 			vector3df v2 = vector3df((gridPos.X * (x+1)) + (x*this->cellSize) + this->cellSize, gridPos.Y, (gridPos.Z * (z+1)) + (z*this->cellSize));
  102. 			vector3df v3 = vector3df((gridPos.X * (x+1)) + (x*this->cellSize), gridPos.Y, (gridPos.Z * (z+1)) + (z*this->cellSize) + this->cellSize);
  103. 			vector3df v4 = vector3df((gridPos.X * (x+1)) + (x*this->cellSize) + this->cellSize, gridPos.Y, (gridPos.Z * (z+1)) + (z*this->cellSize) + this->cellSize);
  104.  
  105. 			Box.addInternalPoint(v1);
  106. 			Box.addInternalPoint(v2);
  107. 			Box.addInternalPoint(v3);
  108. 			Box.addInternalPoint(v4);
  109.  
  110. 			gridCells[x][z] = Cell(v1, v2, v3, v4, z + x, true, Material);
  111. 		}
  112. 	}
  113. }
  114.  
  115. void EDE_GridSceneNode::createGridOnTerrain(ITerrainSceneNode* terrainSceneNode)
  116. {
  117. 	for (int z = 0; z < height; z++)
  118. 	{
  119. 		for (int x = 0; x < width; x++)
  120. 		{
  121. 			vector3df v1 = vector3df((terrainSceneNode->getPosition().X * (x+1)) + (x*this->cellSize), 
  122. 				terrainSceneNode->getHeight((terrainSceneNode->getPosition().X * (x+1)) + (x*this->cellSize), (terrainSceneNode->getPosition().Z * (z+1)) + (z*this->cellSize)), 
  123. 				(terrainSceneNode->getPosition().Z * (z+1)) + (z*this->cellSize));
  124. 			vector3df v2 = vector3df((terrainSceneNode->getPosition().X * (x+1)) + (x*this->cellSize) + this->cellSize, 
  125. 				terrainSceneNode->getHeight((terrainSceneNode->getPosition().X * (x+1)) + (x*this->cellSize) + this->cellSize, (terrainSceneNode->getPosition().Z * (z+1)) + (z*this->cellSize)), 
  126. 				(terrainSceneNode->getPosition().Z * (z+1)) + (z*this->cellSize));
  127. 			vector3df v3 = vector3df((terrainSceneNode->getPosition().X * (x+1)) + (x*this->cellSize), 
  128. 				terrainSceneNode->getHeight((terrainSceneNode->getPosition().X * (x+1)) + (x*this->cellSize), (terrainSceneNode->getPosition().Z * (z+1)) + (z*this->cellSize) + this->cellSize), 
  129. 				(terrainSceneNode->getPosition().Z * (z+1)) + (z*this->cellSize) + this->cellSize);
  130. 			vector3df v4 = vector3df((terrainSceneNode->getPosition().X * (x+1)) + (x*this->cellSize) + this->cellSize, 
  131. 				terrainSceneNode->getHeight((terrainSceneNode->getPosition().X * (x+1)) + (x*this->cellSize) + this->cellSize, (terrainSceneNode->getPosition().Z * (z+1)) + (z*this->cellSize) + this->cellSize), 
  132. 				(terrainSceneNode->getPosition().Z * (z+1)) + (z*this->cellSize) + this->cellSize);
  133.  
  134. 			Box.addInternalPoint(v1);
  135. 			Box.addInternalPoint(v2);
  136. 			Box.addInternalPoint(v3);
  137. 			Box.addInternalPoint(v4);
  138.  
  139. 			gridCells[x][z] = Cell(v1, v2, v3, v4, z + x, true, Material);
  140. 		}
  141. 	}
  142. }
  143.  
  144. void EDE_GridSceneNode::renderGrid(IVideoDriver* driver, SColor color)
  145. {
  146. 	for (int z = 0; z < height; z++)
  147. 	{
  148. 		for (int x = 0; x < width; x++)
  149. 		{
  150. 			gridCells[x][z].RenderCell(driver, color);
  151. 		}
  152. 	}
  153. }
  154.  
  155. void EDE_GridSceneNode::OnRegisterSceneNode()
  156. {
  157. 	if (IsVisible)
  158. 		SceneManager->registerNodeForRendering(this);
  159.  
  160. 	ISceneNode::OnRegisterSceneNode();
  161. }
  162.  
  163. void EDE_GridSceneNode::render()
  164. {
  165. 	IVideoDriver* driver = SceneManager->getVideoDriver();
  166.  
  167. 	if ( !driver )
  168. 		return;
  169.  
  170. 	renderGrid(driver, this->color);	
  171. }
  172.  
  173. const aabbox3d<f32>& EDE_GridSceneNode::getBoundingBox() const
  174. {
  175. 	return Box;
  176. }
  177.  
  178. u32 EDE_GridSceneNode::getMaterialCount() const
  179. {
  180. 	return 1;
  181. }
  182.  
  183. SMaterial& EDE_GridSceneNode::getMaterial(u32 i)
  184. {
  185. 	return Material;
  186. }
  187.  
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https://ideone.com/5Sr5DI
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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