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1 #include <vector>
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2 #include "opengl.h"
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3 #include "scenery.h"
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4 #include "game.h"
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5 #include "mesh.h"
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6 #include "meshgen.h"
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7 #include "object.h"
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8 #include "revol.h"
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9 #include "image.h"
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10
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11 static bool gen_textures();
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12
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13 static std::vector<Object*> obj;
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14 static Image img_marble;
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15
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16 static const vec2_t table_cp[] = {
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17 {0, 0},
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18 {3, 0}, // mid 0
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19 {5.8, 0},
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20 {5.99, 0}, // mid 1
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21 {6, -0.15},
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22 {6.15, -0.15}, // mid 2
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23 {6.2, -0.4}
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24 };
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25 static const BezCurve table_curve = {
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26 sizeof table_cp / sizeof *table_cp,
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27 (vec2_t*)table_cp,
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28 1.0 / 6.2
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29 };
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30
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31
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32
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33 bool init_scenery()
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34 {
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35 if(!gen_textures()) {
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36 return false;
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37 }
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38
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39 Matrix4x4 xform;
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40
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41 Mesh *table = new Mesh;
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42 gen_revol(table, 48, 12, bezier_revol, bezier_revol_normal, (void*)&table_curve);
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43 table->texcoord_gen_plane(Vector3(0, 1, 0), Vector3(1, 0, 0));
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44 xform.set_scaling(Vector3(0.5, 0.5, 0.5));
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45 xform.translate(Vector3(1, 1, 0));
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46 table->texcoord_apply_xform(xform);
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47
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48 static const float table_scale = 1.8;
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49 xform.set_scaling(Vector3(table_scale, table_scale, table_scale));
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50 table->apply_xform(xform);
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51
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52 Object *otable = new Object;
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53 otable->set_mesh(table);
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54 otable->mtl.diffuse = Vector3(0.6, 0.6, 0.6);
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55 otable->mtl.specular = Vector3(0.8, 0.8, 0.8);
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56 otable->xform().set_translation(Vector3(0, -0.025, 0));
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57 otable->set_texture(img_marble.texture());
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58 obj.push_back(otable);
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59
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60
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61 // meshgen stats
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62 printf("Generated scenery:\n %u meshes\n", (unsigned int)obj.size());
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63 unsigned int polycount = 0;
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64 for(size_t i=0; i<obj.size(); i++) {
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65 const Mesh *m = obj[i]->get_mesh();
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66 polycount += m->get_poly_count();
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67 }
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68 printf(" %u polygons\n", polycount);
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69
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70 return true;
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71 }
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72
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73 void destroy_scenery()
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74 {
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75 for(size_t i=0; i<obj.size(); i++) {
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76 delete obj[i];
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77 }
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78 obj.clear();
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79
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80 img_marble.destroy();
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81 }
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82
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83 void draw_scenery()
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84 {
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85 for(size_t i=0; i<obj.size(); i++) {
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86 if(wireframe) {
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87 obj[i]->draw_wire();
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88 obj[i]->draw_normals(0.075);
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89 } else {
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90 obj[i]->draw();
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91 }
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92 }
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93 }
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94
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95 static float marble(float x, float y)
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96 {
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97 float theta = x * M_PI * 2.0 * cos(y * 1.5);
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98 theta += turbulence2(x * 10.0, y * 10.0, 4) * 2;
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99 float val = 0.5 + sin(theta * 5.0) + sin(theta * 8.0) / 2.0 + sin(theta * 19.0) / 4.0;
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100 return val * 0.5 + 0.5;
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101 }
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102
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103 static bool gen_textures()
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104 {
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105 static const Vector3 marble_col1 = Vector3(0.78, 0.85, 0.85);
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106 static const Vector3 marble_col2 = Vector3(0.56, 0.68, 0.7);
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107
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108 img_marble.create(512, 512);
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109 unsigned char *pptr = img_marble.pixels;
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110 for(int i=0; i<img_marble.height; i++) {
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111 float v = (float)i / (float)img_marble.height;
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112 for(int j=0; j<img_marble.width; j++) {
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113 float u = (float)j / (float)img_marble.width;
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114
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115 float marble_val = marble(u, v);
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116 Vector3 color = lerp(marble_col2, marble_col1, marble_val);
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117
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118 int r = (int)(color.x * 255.0);
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119 int g = (int)(color.y * 255.0);
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120 int b = (int)(color.z * 255.0);
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121
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122 pptr[0] = r > 255 ? 255 : (r < 0 ? 0 : r);
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123 pptr[1] = g > 255 ? 255 : (g < 0 ? 0 : g);
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124 pptr[2] = b > 255 ? 255 : (b < 0 ? 0 : b);
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125 pptr += 3;
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126 }
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127 }
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128 img_marble.texture();
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129
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130 return true;
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131 }
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