[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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| 12 | main-programmer: |
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| 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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[5942] | 19 | |
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[5967] | 20 | #include "debug.h" |
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| 21 | |
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| 22 | // INCLUDING SDL_Image |
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| 23 | #ifdef HAVE_SDL_IMAGE_H |
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| 24 | #include <SDL_image.h> |
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| 25 | #else |
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| 26 | #include <SDL/SDL_image.h> |
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| 27 | #endif |
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| 28 | |
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[6100] | 29 | HeightMap::HeightMap() : StaticModel() |
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[5942] | 30 | { |
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[5967] | 31 | |
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[5942] | 32 | } |
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| 33 | |
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[6100] | 34 | HeightMap::HeightMap(const char* height_map_name = NULL) : StaticModel() |
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[5967] | 35 | { |
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[5976] | 36 | this->setClassID(CL_HEIGHT_MAP, "HeightMap"); |
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[5990] | 37 | heightMap = IMG_Load(height_map_name); |
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| 38 | if(heightMap!=NULL) { |
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| 39 | |
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[5967] | 40 | PRINTF(0)("loading Image %s\n", height_map_name); |
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| 41 | PRINTF(0)("width : %i\n", heightMap->w); |
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| 42 | PRINTF(0)("hight : %i\n", heightMap->h); |
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| 43 | PRINTF(0)("%i Byte(s) per Pixel \n", heightMap->format->BytesPerPixel); |
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[5990] | 44 | PRINTF(0)("Rshift : %i\n", heightMap->format->Rshift); |
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| 45 | PRINTF(0)("Bshift: %i\n", heightMap->format->Bshift); |
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| 46 | PRINTF(0)("Gshift: %i\n", heightMap->format->Gshift); |
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| 47 | PRINTF(0)("Rmask: %i\n", heightMap->format->Rmask); |
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| 48 | PRINTF(0)("Gmask: %i\n", heightMap->format->Gmask); |
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[5967] | 49 | } |
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| 50 | |
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[5990] | 51 | else PRINTF(4)("oops! couldn't load %s for some reason.\n", height_map_name); |
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[5967] | 52 | } |
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| 53 | |
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| 54 | |
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| 55 | HeightMap::~HeightMap() |
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| 56 | { |
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| 57 | delete heightMap; |
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| 58 | } |
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| 59 | |
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[5942] | 60 | void HeightMap::load() |
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| 61 | { |
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[5993] | 62 | unsigned char height = 0; |
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[5967] | 63 | int offset = 0; |
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[5993] | 64 | |
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[5967] | 65 | char * bmp = (char*) heightMap->pixels; |
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| 66 | |
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[5990] | 67 | if(heightMap != NULL && heightMap->format->BitsPerPixel == 8 ) |
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[5967] | 68 | { |
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[5990] | 69 | SDL_LockSurface(heightMap); |
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[5993] | 70 | for(int i = 0 ; i < heightMap->h ; i +=2) |
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[5990] | 71 | { |
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[5993] | 72 | for(int j = 0; j < heightMap->w ; j += 2) |
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[5990] | 73 | { |
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| 74 | // get local hight from heightMap |
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| 75 | // This seems to work only on 8-Bit Grayscale-Bitmaps |
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| 76 | height = bmp[j + i*(heightMap->w )]; |
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| 77 | |
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| 78 | |
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| 79 | /*height = heightMap->format->palette->colors[offset].r + |
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| 80 | heightMap->format->palette->colors[offset].g + |
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| 81 | heightMap->format->palette->colors[offset].b ; */ |
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[5976] | 82 | |
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[5993] | 83 | |
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[6099] | 84 | this->addVertex( 20*(heightMap->h - i) , (( (double)height)/0.3)-1200 ,20*j); |
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[5990] | 85 | } |
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| 86 | } |
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| 87 | SDL_UnlockSurface(heightMap); |
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[5980] | 88 | |
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[5993] | 89 | |
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| 90 | |
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| 91 | int c = (heightMap->w)/2 ; // One line |
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| 92 | for(int i = 0; i < (heightMap->w)/2 -2 ; i ++) |
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[5990] | 93 | { |
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[5993] | 94 | for(int j = 0; j < (heightMap->h)/2 - 2; j++) |
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[5990] | 95 | { |
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| 96 | |
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| 97 | /* Two Triangles or ...*/ |
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| 98 | |
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[6099] | 99 | //this->addFace (3, VERTEX_ONLY,j + (i+1)*c,j+1+i*c , j + i*c ); |
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| 100 | //this->addFace (3, VERTEX_ONLY,j + (i+1)*c,j + (i+1)*c +1 ,j+i*c +1 ); |
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[5990] | 101 | |
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| 102 | /* ... one square*/ |
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[5980] | 103 | |
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[6099] | 104 | this->addFace (4 ,VERTEX_ONLY,j+i*c,j+(i+1)*c ,j + (i+1)*c +1, j +i*c+1 ); |
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[5990] | 105 | } |
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[5967] | 106 | |
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[5980] | 107 | |
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| 108 | |
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[5990] | 109 | } |
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[5967] | 110 | |
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| 111 | |
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[5990] | 112 | }//if |
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[5967] | 113 | else |
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| 114 | { |
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[5990] | 115 | |
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| 116 | //make a cube |
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| 117 | this->setName("HardCore"); |
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[5942] | 118 | this->addVertex (-0.5, -0.5, 0.5); |
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| 119 | this->addVertex (0.5, -0.5, 0.5); |
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| 120 | this->addVertex (-0.5, 0.5, 0.5); |
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| 121 | this->addVertex (0.5, 0.5, 0.5); |
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| 122 | this->addVertex (-0.5, 0.5, -0.5); |
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| 123 | this->addVertex (0.5, 0.5, -0.5); |
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| 124 | this->addVertex (-0.5, -0.5, -0.5); |
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| 125 | this->addVertex (0.5, -0.5, -0.5); |
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[5967] | 126 | |
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[5942] | 127 | |
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| 128 | |
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| 129 | |
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[5967] | 130 | this->addFace (3, VERTEX_ONLY, 4, 3, 2); |
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[5942] | 131 | |
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[5967] | 132 | } |
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[5942] | 133 | this->finalize(); |
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| 134 | |
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| 135 | |
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| 136 | } |
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