[5942] | 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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[6956] | 12 | main-programmer: bottac@ee.ethz.ch |
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[5942] | 13 | */ |
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| 14 | |
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| 15 | #include "height_map.h" |
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| 16 | #include "model.h" |
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[5967] | 17 | #include "texture.h" |
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| 18 | #include "vector.h" |
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[6956] | 19 | #include "material.h" |
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| 20 | #include "p_node.h" |
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| 21 | #include "state.h" |
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[7193] | 22 | #include "util/loading/resource_manager.h" |
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[5967] | 23 | #include "debug.h" |
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| 24 | |
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| 25 | // INCLUDING SDL_Image |
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| 26 | #ifdef HAVE_SDL_IMAGE_H |
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| 27 | #include <SDL_image.h> |
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| 28 | #else |
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| 29 | #include <SDL/SDL_image.h> |
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| 30 | #endif |
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| 31 | |
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[7467] | 32 | |
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[7014] | 33 | Tile::Tile(int i1, int j1, int i2, int j2, HeightMap* hm ) |
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[5942] | 34 | { |
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[7467] | 35 | PRINTF(0)("Tile Constructor\n"); |
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| 36 | highResModel = new VertexArrayModel(); |
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| 37 | lowResModel = new VertexArrayModel(); |
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[6956] | 38 | |
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[7467] | 39 | this->load(i1,j1,i2,j2,hm,highResModel,4); |
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| 40 | this->load(i1,j1,i2,j2,hm,lowResModel, 8); |
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[6956] | 41 | } |
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| 42 | |
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| 43 | Tile::~Tile() |
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| 44 | { |
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[7467] | 45 | delete highResModel; |
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| 46 | delete lowResModel; |
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[6956] | 47 | } |
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| 48 | |
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| 49 | void Tile::draw() |
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| 50 | { |
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[7467] | 51 | // This Draws the LOD's |
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| 52 | //FIXME |
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| 53 | float cameraDistance = (State::getCameraNode()->getAbsCoor() - Vector(this->x, hmref->offsetY , this->z) ).len(); |
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| 54 | if(cameraDistance < 0) |
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| 55 | cameraDistance = -cameraDistance; |
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| 56 | if(cameraDistance > 5000 ) |
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| 57 | { |
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| 58 | return; |
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| 59 | } |
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| 60 | else if (cameraDistance >= 1000 ) |
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| 61 | { |
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| 62 | this->drawLowRes(); |
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| 63 | } |
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| 64 | else |
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| 65 | { |
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| 66 | this->drawHighRes(); |
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| 67 | } |
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[6956] | 68 | } |
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| 69 | |
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| 70 | void Tile::drawHighRes() |
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| 71 | { |
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[7467] | 72 | highResModel->draw(); |
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[6956] | 73 | } |
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| 74 | |
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| 75 | void Tile::drawLowRes() |
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| 76 | { |
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[7467] | 77 | lowResModel->draw(); |
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[6956] | 78 | } |
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| 79 | |
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| 80 | /* |
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| 81 | */ |
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| 82 | void Tile::load(int i1, int j1, int i2, int j2, HeightMap* hm, VertexArrayModel* model, int Res) |
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| 83 | { |
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| 84 | |
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[7467] | 85 | #define heightMap hm->heightMap |
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[7014] | 86 | #define colours hm->colours |
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| 87 | #define scaleX hm->scaleX |
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| 88 | #define scaleY hm->scaleY |
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| 89 | #define scaleZ hm->scaleZ |
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| 90 | #define shiftX hm->shiftX |
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| 91 | #define shiftY hm->shiftY |
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| 92 | #define shiftZ hm->shiftZ |
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| 93 | #define normalVectorField hm->normalVectorField |
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[6956] | 94 | |
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[7467] | 95 | hmref = hm; // FIXME |
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[7014] | 96 | |
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[7467] | 97 | this->x = hm->offsetX + (heightMap->h - ((i1+i2)/2))*scaleX; |
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| 98 | this->z = hm->offsetZ + ((j1 + j2 )/2 ) * scaleZ; |
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[7014] | 99 | |
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[7467] | 100 | int sampleRate = Res; |
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[7014] | 101 | |
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[7467] | 102 | float height = 0; |
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| 103 | int offset = 0; |
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[7014] | 104 | |
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[7467] | 105 | float r = 0.0; |
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| 106 | float g = 0.0; |
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| 107 | float b = 0.0; |
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[7014] | 108 | |
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| 109 | |
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| 110 | |
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| 111 | |
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[7467] | 112 | if(heightMap != NULL && heightMap->format->BitsPerPixel == 8 ) |
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[6956] | 113 | |
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[7467] | 114 | SDL_LockSurface(heightMap); |
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| 115 | SDL_LockSurface(hm->colourMap); |
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[6956] | 116 | |
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[7467] | 117 | for(int i = i1 ; i <= i2 ; i +=sampleRate) |
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| 118 | { |
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| 119 | int w = 0; |
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[6956] | 120 | |
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| 121 | |
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| 122 | |
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[7467] | 123 | if(hm->hasColourMap) |
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| 124 | { |
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| 125 | r = colours[(3*w+2 + 3*i*(heightMap->w )) ]; |
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| 126 | g = colours[(3*w+1 + 3*i*(heightMap->w)) ]; |
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| 127 | b = colours[(3*w+0 + 3*i*(heightMap->w))]; |
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| 128 | } |
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[7014] | 129 | |
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[7467] | 130 | w = j1; |
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| 131 | model->addVertex(scaleX*(heightMap->h -i)+ shiftX,shiftY,scaleZ*(w)+ shiftZ); // Top Right |
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| 132 | model->addNormal(normalVectorField[i % heightMap->h][w % heightMap->w].y,normalVectorField[i % heightMap->h][w % heightMap->w].z,normalVectorField[i % heightMap->h][w % heightMap->w].x); |
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| 133 | model->addTexCoor((float)(j1-sampleRate) /(texRate), (float)(i %heightMap->h)/(texRate)); |
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[7014] | 134 | |
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[7467] | 135 | model->addColor(r/255.0,g/255.0,b/255.0); |
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[7014] | 136 | |
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[7467] | 137 | for(int j = j1 ; j <= j2 ; j += sampleRate) |
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| 138 | { |
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[7014] | 139 | |
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| 140 | |
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[7467] | 141 | // To be fixed |
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| 142 | if(hm->hasColourMap) |
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| 143 | { |
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| 144 | r = colours[(3*j+2 + 3*i*(heightMap->w )) ]; |
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| 145 | g = colours[(3*j+1 + 3*i*(heightMap->w)) ]; |
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| 146 | b = colours[(3*j+0 + 3*i*(heightMap->w))]; |
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| 147 | } |
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| 148 | height = (float)(unsigned char) hm->heights[(j +sampleRate+ i*(heightMap->w )) ]; |
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| 149 | height += (float)(unsigned char) hm->heights[(j+ 1 + sampleRate + (i+1)*(heightMap->w )) ]; |
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| 150 | height += (float) (unsigned char) hm->heights[(j -1+ sampleRate + (i+1)*(heightMap->w ))]; |
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| 151 | height += (float)(unsigned char)hm->heights[(j +sampleRate+ (i+2)*(heightMap->w )) ]; |
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| 152 | height += (float)(unsigned char)hm->heights[(j+sampleRate + (i)*(heightMap->w )) ]; |
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| 153 | height=height/5.0; |
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[7014] | 154 | |
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[7467] | 155 | model->addVertex(scaleX*(heightMap->h -i) + shiftX ,((double)(height)*scaleY) + shiftY ,scaleZ*(j) + shiftZ); // Top Right |
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| 156 | model->addNormal(normalVectorField[i % heightMap->h][j % heightMap->w].y,normalVectorField[i % heightMap->h][j % heightMap->w].z,normalVectorField[i % heightMap->h][j % heightMap->w].x); |
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| 157 | model->addTexCoor((float)(j) /(texRate), (float)(i %heightMap->h)/(texRate)); |
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[7014] | 158 | |
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[7467] | 159 | //PRINTF(0)("TexCoord: %f %f \n",(float)j / 100.0, (float)(i %heightMap->h)/100.0); |
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[7014] | 160 | |
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[7467] | 161 | model->addColor(r/255.0,g/255.0,b/255.0); |
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| 162 | w = j; |
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| 163 | } |
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[7014] | 164 | |
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| 165 | |
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[7467] | 166 | model->addVertex(scaleX*(heightMap->h -i)+ shiftX,shiftY,scaleZ*(w)+ shiftZ); // Top Right |
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| 167 | model->addNormal(normalVectorField[i % heightMap->h][w % heightMap->w].y,normalVectorField[i % heightMap->h][w % heightMap->w].z,normalVectorField[i% heightMap->h][w % heightMap->w].x); |
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| 168 | model->addTexCoor((float)(j2+sampleRate) /(texRate), (float)(i %heightMap->h)/(texRate)); |
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| 169 | model->addColor(r/255.0,g/255.0,b/255.0); |
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[7014] | 170 | |
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[7467] | 171 | } |
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[7014] | 172 | |
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| 173 | |
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| 174 | |
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| 175 | |
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| 176 | |
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[7467] | 177 | SDL_UnlockSurface(heightMap); |
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| 178 | int cnt = 0; |
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| 179 | for(int i = i1 ; i < i2 ; i +=sampleRate) |
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| 180 | { |
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[7014] | 181 | |
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[7467] | 182 | for(int j = j1-sampleRate ; j < j2 + 2*sampleRate ; j += sampleRate) |
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| 183 | { |
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[7014] | 184 | |
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[7467] | 185 | model->addIndice(cnt); |
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| 186 | model->addIndice(cnt + (j2 -j1 + 3* sampleRate )/ sampleRate ); |
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| 187 | cnt++; |
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[7014] | 188 | |
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[7467] | 189 | } |
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[7014] | 190 | |
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| 191 | |
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| 192 | |
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[7467] | 193 | model->newStripe(); |
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[7014] | 194 | |
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| 195 | |
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[7467] | 196 | } |
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| 197 | cnt += (j2 -j1 + 3* sampleRate)/ sampleRate; |
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[7014] | 198 | |
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[7467] | 199 | for(int j = j1 ; j <= j2 ; j += sampleRate) |
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| 200 | { |
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| 201 | int i = i1; |
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[7014] | 202 | |
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[7467] | 203 | // To be fixed |
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| 204 | if(hm->hasColourMap) |
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| 205 | { |
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| 206 | r = (float)colours[(3*j+2 + 3*i*(heightMap->w )) ]; |
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| 207 | g = (float)colours[(3*j+1 + 3*i*(heightMap->w)) ]; |
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| 208 | b = (float)colours[(3*j+0 + 3*i*(heightMap->w))]; |
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| 209 | } |
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[7014] | 210 | |
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[7467] | 211 | model->addVertex(scaleX*(heightMap->h -i) + shiftX , shiftY ,scaleZ*(j) + shiftZ); // Top Right |
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| 212 | model->addNormal(normalVectorField[i % heightMap->h][j % heightMap->w].y,normalVectorField[i % heightMap->h][j % heightMap->w].z,normalVectorField[i % heightMap->h][j % heightMap->w].x); |
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| 213 | model->addTexCoor((float)j /(texRate), (float)((i - sampleRate) %heightMap->h)/(texRate)); |
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| 214 | model->addColor(r/255.0,g/255.0,b/255.0); |
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[7014] | 215 | |
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[7467] | 216 | } |
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[7014] | 217 | |
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[7467] | 218 | for(int j = j1 ; j <= j2 ; j += sampleRate) |
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| 219 | { |
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| 220 | int i = i1; |
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| 221 | height = (float)(unsigned char) hm->heights[(j +sampleRate+ i*(heightMap->w )) ]; |
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| 222 | height += (float)(unsigned char) hm->heights[(j+ 1 + sampleRate + (i+1)*(heightMap->w )) ]; |
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| 223 | height += (float) (unsigned char) hm->heights[(j -1+ sampleRate + (i+1)*(heightMap->w ))]; |
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| 224 | height += (float)(unsigned char)hm->heights[(j +sampleRate+ (i+2)*(heightMap->w )) ]; |
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| 225 | height += (float)(unsigned char)hm->heights[(j+sampleRate + (i)*(heightMap->w )) ]; |
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| 226 | height=height/5.0; |
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[7014] | 227 | |
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[7467] | 228 | model->addVertex(scaleX*(heightMap->h -i) + shiftX , ((double)(height)*scaleY) +shiftY ,scaleZ*(j) + shiftZ); // Top Right |
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| 229 | model->addNormal(normalVectorField[i % heightMap->h][j % heightMap->w].y,normalVectorField[i % heightMap->h][j% heightMap->w].z,normalVectorField[i%heightMap->h][j%heightMap->w].x); |
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| 230 | model->addTexCoor((float)j /(texRate), (float)(i %heightMap->h)/(texRate)); |
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| 231 | model->addColor(r/255.0,g/255.0,b/255.0); |
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[7014] | 232 | |
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[7467] | 233 | } |
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[7014] | 234 | |
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| 235 | |
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| 236 | |
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[7467] | 237 | for(int j = j1 ; j <= j2 ; j += sampleRate) |
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| 238 | { |
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| 239 | int i = i2; |
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[7014] | 240 | |
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[7467] | 241 | // To be fixed |
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| 242 | if(hm->hasColourMap) |
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| 243 | { |
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| 244 | r = (float)colours[3*j+2 + 3*i*(heightMap->w )]; |
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| 245 | g = (float)colours[3*j+1 + 3*i*(heightMap->w)]; |
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| 246 | b = (float)colours[3*j+0 + 3*i*(heightMap->w)]; |
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| 247 | } |
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[7014] | 248 | |
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[7467] | 249 | model->addVertex(scaleX*(heightMap->h -i) + shiftX , shiftY ,scaleZ*(j) + shiftZ); // Top Right |
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| 250 | model->addNormal(normalVectorField[i%heightMap->h][j%heightMap->w].y,normalVectorField[i%heightMap->h][j%heightMap->w].z,normalVectorField[i%heightMap->h][j%heightMap->w].x); |
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| 251 | model->addTexCoor((float)j /(texRate), (float)((i+ sampleRate) %heightMap->h)/(texRate)); |
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| 252 | model->addColor(r/255.0,g/255.0,b/255.0); |
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[7014] | 253 | |
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[7467] | 254 | } |
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[7014] | 255 | |
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| 256 | |
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[7467] | 257 | for(int j = j1 ; j <= j2 ; j += sampleRate) |
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| 258 | { |
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| 259 | int i = i2; |
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| 260 | height = (float)(unsigned char) hm->heights[(j +sampleRate+ i*(heightMap->w )) ]; |
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| 261 | height += (float)(unsigned char) hm->heights[(j+ 1 + sampleRate + (i+1)*(heightMap->w )) ]; |
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| 262 | height += (float) (unsigned char) hm->heights[(j -1+ sampleRate + (i+1)*(heightMap->w ))]; |
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| 263 | height += (float)(unsigned char)hm->heights[(j +sampleRate+ (i+2)*(heightMap->w ))]; |
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| 264 | height += (float)(unsigned char)hm->heights[(j+sampleRate + (i)*(heightMap->w )) ]; |
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| 265 | height=height/5.0; |
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| 266 | model->addVertex(scaleX*(heightMap->h -i) + shiftX , ((double)(height)*scaleY) +shiftY ,scaleZ*(j) + shiftZ); // Top Right |
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| 267 | model->addNormal(normalVectorField[i%heightMap->h][j%heightMap->w].y,normalVectorField[i%heightMap->h][j%heightMap->w].z,normalVectorField[i%heightMap->h][j%heightMap->w].x); |
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| 268 | model->addTexCoor((float)j /(texRate), (float)(i %heightMap->h)/(texRate)); |
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| 269 | model->addColor(r/255.0,g/255.0,b/255.0); |
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[7014] | 270 | |
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[7467] | 271 | } |
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[7014] | 272 | |
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| 273 | |
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| 274 | |
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| 275 | |
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[7467] | 276 | // link Boarder Stripe |
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| 277 | for(int j = j1-sampleRate ; j < j2 ; j += sampleRate) |
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| 278 | { |
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[7014] | 279 | |
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[7467] | 280 | model->addIndice(cnt); |
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| 281 | model->addIndice(cnt + (j2 -j1 + sampleRate )/ sampleRate ); |
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| 282 | cnt++; |
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[7014] | 283 | |
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[7467] | 284 | } |
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[7014] | 285 | |
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[7467] | 286 | cnt++; |
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[7014] | 287 | |
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[7467] | 288 | model->newStripe(); |
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[7014] | 289 | |
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| 290 | |
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| 291 | |
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| 292 | |
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| 293 | |
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[7467] | 294 | cnt += (j2-j1)/ sampleRate; |
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[7014] | 295 | |
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[7467] | 296 | // link 2nd BoarderStripe |
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| 297 | for(int j = j1-sampleRate ; j < j2 ; j += sampleRate) |
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| 298 | { |
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[7014] | 299 | |
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[7467] | 300 | model->addIndice(cnt); |
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| 301 | model->addIndice(cnt + (j2 -j1 + sampleRate )/ sampleRate ); |
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| 302 | cnt++; |
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[7014] | 303 | |
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[7467] | 304 | } |
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[7014] | 305 | |
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| 306 | |
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[7467] | 307 | SDL_UnlockSurface(hm->colourMap); |
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[7014] | 308 | |
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[7467] | 309 | model->finalize(); |
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[7014] | 310 | |
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| 311 | |
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| 312 | |
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| 313 | |
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[7467] | 314 | #undef heightMap |
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[7014] | 315 | #undef colours |
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| 316 | #undef scaleX |
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| 317 | #undef scaleY |
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| 318 | #undef scaleZ |
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| 319 | #undef shiftX |
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| 320 | #undef shiftY |
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| 321 | #undef shiftZ |
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| 322 | #undef normalVectorField |
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| 323 | |
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[5942] | 324 | } |
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| 325 | |
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[6956] | 326 | HeightMap::HeightMap() |
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[5967] | 327 | { |
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[6956] | 328 | } |
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| 329 | |
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[7221] | 330 | HeightMap::HeightMap(const std::string& height_map_name = "") |
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[7467] | 331 | : VertexArrayModel() |
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[6956] | 332 | { |
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[7467] | 333 | this->setClassID(CL_HEIGHT_MAP, "HeightMap"); |
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| 334 | heightMap = IMG_Load(height_map_name.c_str()); |
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| 335 | if(heightMap!=NULL) |
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| 336 | { |
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[6956] | 337 | |
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[7467] | 338 | PRINTF(0)("loading Image %s\n", height_map_name.c_str()); |
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| 339 | PRINTF(0)("width : %i\n", heightMap->w); |
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| 340 | PRINTF(0)("height : %i\n", heightMap->h); |
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| 341 | PRINTF(0)("%i Byte(s) per Pixel \n", heightMap->format->BytesPerPixel); |
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| 342 | PRINTF(0)("Rshift : %i\n", heightMap->format->Rshift); |
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| 343 | PRINTF(0)("Bshift: %i\n", heightMap->format->Bshift); |
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| 344 | PRINTF(0)("Gshift: %i\n", heightMap->format->Gshift); |
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| 345 | PRINTF(0)("Rmask: %i\n", heightMap->format->Rmask); |
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| 346 | PRINTF(0)("Gmask: %i\n", heightMap->format->Gmask); |
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| 347 | } |
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[6956] | 348 | |
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[7467] | 349 | else |
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| 350 | PRINTF(4)("oops! couldn't load %s for some reason.\n", height_map_name.c_str()); |
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[6956] | 351 | |
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[7014] | 352 | |
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[6956] | 353 | generateNormalVectorField(); |
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| 354 | |
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| 355 | shiftX = 0; |
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| 356 | shiftY = 0; |
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| 357 | shiftZ = 0; |
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| 358 | |
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| 359 | } |
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| 360 | |
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[7221] | 361 | HeightMap::HeightMap(const std::string& height_map_name = NULL, const std::string& colour_map_name = NULL) |
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[7467] | 362 | : VertexArrayModel() |
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[6956] | 363 | { |
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[7467] | 364 | this->setClassID(CL_HEIGHT_MAP, "HeightMap"); |
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[6956] | 365 | |
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[7467] | 366 | heightMap = IMG_Load(height_map_name.c_str()); |
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| 367 | if(heightMap!=NULL) |
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| 368 | { |
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[6956] | 369 | |
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[7467] | 370 | PRINTF(0)("loading Image %s\n", height_map_name.c_str()); |
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| 371 | PRINTF(0)("width : %i\n", heightMap->w); |
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| 372 | PRINTF(0)("height : %i\n", heightMap->h); |
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| 373 | PRINTF(0)("%i Byte(s) per Pixel \n", heightMap->format->BytesPerPixel); |
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| 374 | PRINTF(0)("Rshift : %i\n", heightMap->format->Rshift); |
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| 375 | PRINTF(0)("Bshift: %i\n", heightMap->format->Bshift); |
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| 376 | PRINTF(0)("Gshift: %i\n", heightMap->format->Gshift); |
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| 377 | PRINTF(0)("Rmask: %i\n", heightMap->format->Rmask); |
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| 378 | PRINTF(0)("Gmask: %i\n", heightMap->format->Gmask); |
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| 379 | } |
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[6956] | 380 | |
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[7467] | 381 | else |
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| 382 | PRINTF(4)("oops! couldn't load %s for some reason.\n", height_map_name.c_str()); |
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[6956] | 383 | |
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| 384 | |
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[7467] | 385 | generateNormalVectorField(); |
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[6956] | 386 | |
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| 387 | colourMap=NULL; |
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[7221] | 388 | if(colour_map_name != "") |
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[6956] | 389 | { |
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[7221] | 390 | colourMap = IMG_Load(colour_map_name.c_str()); |
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[6956] | 391 | } |
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[7014] | 392 | |
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[6956] | 393 | if(colourMap != NULL) |
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[7467] | 394 | { |
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| 395 | PRINTF(0)("loading Image %s\n", colour_map_name.c_str()); |
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| 396 | PRINTF(0)("width : %i\n", colourMap->w); |
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| 397 | PRINTF(0)("height : %i\n", colourMap->h); |
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| 398 | PRINTF(0)("%i Byte(s) per Pixel \n", colourMap->format->BytesPerPixel); |
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| 399 | PRINTF(0)("Rshift : %i\n", colourMap->format->Rshift); |
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| 400 | PRINTF(0)("Bshift: %i\n", colourMap->format->Bshift); |
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| 401 | PRINTF(0)("Gshift: %i\n", colourMap->format->Gshift); |
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| 402 | PRINTF(0)("Rmask: %i\n", colourMap->format->Rmask); |
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| 403 | PRINTF(0)("Gmask: %i\n", colourMap->format->Gmask); |
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| 404 | } |
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| 405 | else |
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| 406 | PRINTF(0)("oops! couldn't load colorMap for some reason.\n"); |
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[6956] | 407 | |
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[7014] | 408 | |
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| 409 | |
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[6956] | 410 | if(colourMap != NULL) |
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| 411 | { |
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[7467] | 412 | colours = (unsigned char *) colourMap->pixels; |
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| 413 | hasColourMap = true; |
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[6956] | 414 | } |
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[7467] | 415 | else |
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| 416 | hasColourMap = false; |
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[7014] | 417 | |
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| 418 | |
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[6956] | 419 | heights = (unsigned char*) heightMap->pixels; |
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| 420 | shiftX = 0; |
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| 421 | shiftY = 0; |
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| 422 | shiftZ = 0; |
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[5967] | 423 | } |
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| 424 | |
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| 425 | |
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| 426 | HeightMap::~HeightMap() |
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| 427 | { |
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[7467] | 428 | delete heightMap; |
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| 429 | delete colourMap; |
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[6956] | 430 | |
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| 431 | |
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[7467] | 432 | for(int i=0;i < heightMap->h/tileSize ; i++) |
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| 433 | { |
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| 434 | for(int j = 0; j < heightMap->w/ tileSize; j++) |
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| 435 | { |
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| 436 | delete tiles [i][j]; |
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| 437 | } |
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| 438 | } |
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| 439 | for(int i=0;i < heightMap->h/tileSize ; i++) |
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| 440 | delete[] tiles[i]; |
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| 441 | delete[] tiles; |
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[6956] | 442 | |
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[7014] | 443 | |
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| 444 | |
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| 445 | |
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| 446 | |
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[7467] | 447 | for(int i=0;i<heightMap->h;i++) |
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| 448 | delete[] normalVectorField [i]; |
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| 449 | delete[] normalVectorField; |
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[6956] | 450 | |
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| 451 | |
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| 452 | |
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| 453 | |
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[7014] | 454 | |
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| 455 | |
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| 456 | |
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[5967] | 457 | } |
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| 458 | |
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[5942] | 459 | void HeightMap::load() |
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| 460 | { |
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[5993] | 461 | |
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[7467] | 462 | //Create a Dynamicly sized 2D-Array for Tiles |
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| 463 | tiles = new Tile** [heightMap->h/tileSize]; |
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| 464 | for(int i=0;i < heightMap->h/tileSize ; i++) |
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| 465 | tiles [i]= new (Tile* [heightMap->w /tileSize ]); |
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[5967] | 466 | |
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[7467] | 467 | //SetUp Arrays |
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| 468 | for(int i = 0; i < (heightMap->h )/ tileSize; i ++) |
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| 469 | { |
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| 470 | for(int j = 0; j < (heightMap->w )/ tileSize; j ++) |
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| 471 | { |
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[7014] | 472 | |
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[7467] | 473 | tiles[i][j] = new Tile( i*tileSize , j*tileSize , (i+1)*tileSize, (j+1)*tileSize , this ) ; |
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| 474 | } |
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| 475 | } |
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[5980] | 476 | |
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[6956] | 477 | } |
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[5993] | 478 | |
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| 479 | |
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[7014] | 480 | void HeightMap::draw() |
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[6956] | 481 | { |
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[7467] | 482 | const PNode* camera = State::getCameraNode(); |
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| 483 | Vector v = camera->getAbsCoor(); |
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[6956] | 484 | |
---|
[7467] | 485 | int i_min = 0; |
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| 486 | int i_max = (heightMap->h )/ tileSize; |
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| 487 | int j_min = 0; |
---|
| 488 | int j_max= (heightMap->w ) / tileSize; |
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[6956] | 489 | |
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| 490 | |
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| 491 | |
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[7467] | 492 | for(int i = 0; i < i_max ; i ++) |
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| 493 | { |
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| 494 | for(int j = 0; j < j_max ; j++) |
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| 495 | { |
---|
| 496 | tiles[i][j]->draw(); |
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| 497 | } |
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| 498 | } |
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[5980] | 499 | |
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[6956] | 500 | } |
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| 501 | void HeightMap::generateNormalVectorField() |
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| 502 | { |
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[7467] | 503 | int delta = 1; |
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| 504 | heights = (unsigned char*) heightMap->pixels; |
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[6956] | 505 | |
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[7467] | 506 | //Create a Dynamicly sized 2D-Array to store our normals |
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| 507 | normalVectorField = new Vector* [heightMap->h]; |
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| 508 | for(int i=0;i<heightMap->h;i++) |
---|
| 509 | normalVectorField [i]= new (Vector [heightMap->w]); |
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[6956] | 510 | |
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| 511 | |
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| 512 | |
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| 513 | |
---|
[7467] | 514 | // Initialize |
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| 515 | for(int i=0; i< heightMap->h; i++) |
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| 516 | { |
---|
| 517 | for(int j = 0; j> heightMap->w; j++) |
---|
| 518 | { |
---|
| 519 | Vector v = Vector(0.0, 1.0, 0.0); |
---|
| 520 | normalVectorField[i][j] = v; |
---|
| 521 | } |
---|
| 522 | } |
---|
[5967] | 523 | |
---|
[7467] | 524 | // !!! Does not yet calculate the normals of some border points!!!!! |
---|
[5990] | 525 | |
---|
[7467] | 526 | if(heightMap != NULL && heightMap->format->BitsPerPixel == 8 ) |
---|
| 527 | { |
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| 528 | SDL_LockSurface(heightMap); |
---|
| 529 | for(int i = 0 ; i < heightMap->h - 1 ; i ++) |
---|
| 530 | { |
---|
| 531 | for(int j = 0; j < heightMap->w - 1 ; j ++) |
---|
| 532 | { |
---|
[5942] | 533 | |
---|
| 534 | |
---|
[7467] | 535 | delta = (int)heights[j + (i+1)*(heightMap->w )] - (int) heights[j + i*(heightMap->w )]; |
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| 536 | Vector a = Vector(-scaleX,(float)delta*scaleY ,0.0f); |
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[5942] | 537 | |
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[7467] | 538 | delta = (int)heights[j+1 + i*(heightMap->w )] - (int)heights[j + i*(heightMap->w )]; |
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| 539 | Vector b = Vector(0.0f,(float) delta*scaleY ,scaleZ); |
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[5942] | 540 | |
---|
[6956] | 541 | |
---|
[7467] | 542 | normalVectorField[i][j] = b.cross(a); |
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| 543 | normalVectorField[i][j].normalize(); |
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[5942] | 544 | |
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[7467] | 545 | } |
---|
| 546 | } |
---|
| 547 | SDL_UnlockSurface(heightMap); |
---|
[7014] | 548 | |
---|
[7467] | 549 | } |
---|
[5942] | 550 | |
---|
[6956] | 551 | |
---|
| 552 | |
---|
[7014] | 553 | |
---|
[5942] | 554 | } |
---|
[6956] | 555 | |
---|
| 556 | |
---|
| 557 | void HeightMap::scale(Vector v) |
---|
| 558 | { |
---|
[7467] | 559 | scaleX = v.x; |
---|
| 560 | scaleY = v.y; |
---|
| 561 | scaleZ = v.z; |
---|
| 562 | generateNormalVectorField(); |
---|
[6956] | 563 | } |
---|
| 564 | |
---|
| 565 | void HeightMap::setAbsCoor(Vector v) |
---|
| 566 | { |
---|
[7467] | 567 | offsetX = v.x; |
---|
| 568 | offsetY = v.y; |
---|
| 569 | offsetZ = v.z; |
---|
[6956] | 570 | } |
---|
| 571 | |
---|
| 572 | |
---|
[7014] | 573 | float HeightMap::getHeight(float x, float y) |
---|
[6956] | 574 | { |
---|
| 575 | |
---|
[7467] | 576 | x -= offsetX; |
---|
| 577 | y -= offsetZ; |
---|
[7014] | 578 | |
---|
| 579 | |
---|
[7467] | 580 | int xInt = (int)x / scaleX; |
---|
| 581 | x -= (float)((int)x); |
---|
| 582 | xInt = heightMap->h - xInt; |
---|
| 583 | int yInt = (int)y / scaleZ; |
---|
| 584 | y -= (float) ((int) y); /*yInt = heightMap->w - yInt;*/ |
---|
[7014] | 585 | |
---|
[7467] | 586 | //PRINTF(0)("xInt: %i, yInt: %i, x: %f, y: %f\n", xInt, yInt, x, y); |
---|
[7014] | 587 | |
---|
[7467] | 588 | if(xInt <= 0 || xInt >= heightMap->h || yInt <= 0 || yInt >= heightMap->w ) |
---|
| 589 | return 0; |
---|
| 590 | if( y >= 0.5*x) |
---|
| 591 | { |
---|
| 592 | // Check for ... |
---|
| 593 | } |
---|
[6956] | 594 | |
---|
[7467] | 595 | float height = heights[yInt + (xInt)*heightMap->w]*scaleY; |
---|
[7014] | 596 | |
---|
| 597 | |
---|
[7467] | 598 | float a = normalVectorField[(xInt)][yInt].x; |
---|
| 599 | float b = normalVectorField [(xInt)][yInt].z; |
---|
| 600 | float c = normalVectorField [(xInt)][yInt].y; |
---|
[7014] | 601 | |
---|
[7467] | 602 | PRINTF(0)("a: %f \n" ,a); |
---|
[6956] | 603 | PRINTF(0)("b: %f \n" ,b); |
---|
[7467] | 604 | PRINTF(0)("c: %f \n" ,c); |
---|
[7014] | 605 | |
---|
[7467] | 606 | height -= ( (a/c)*(x) + (b/c)*(y)); |
---|
[7014] | 607 | |
---|
[7467] | 608 | PRINTF(0)("height: %f \n" ,height ); |
---|
| 609 | return (height + offsetZ); |
---|
[6956] | 610 | } |
---|