105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
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#include <stdio.h>
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float slope_raw_data[45][5][4][3] = {
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#include "slope1_data.h"
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};
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int main(int argc, char* argv[]) {
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int slope_type, vertex;
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int equal_y1, equal_y2, other_y;
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int marked_axis;
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#define STORE(a, b, c) { equal_y1 = a; equal_y2 = b; other_y = c;}
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printf("#include <cassert>\n");
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printf("float slope_height_offset(unsigned char slope_type, float dx, float dz) {\n");
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printf(" assert((dx >= 0.0f) && (dx <= 1.0f));\n");
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printf(" assert((dz >= 0.0f) && (dz <= 1.0f));\n");
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printf(" switch(slope_type) {\n");
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for (slope_type = 0 ; slope_type < 45; slope_type++) {
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//printf("# slope %i\n", slope_type);
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printf(" case %i:\n", slope_type);
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if (slope_raw_data[slope_type][0][0][1] == slope_raw_data[slope_type][0][1][1]) {
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//printf("0, 1\n");
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STORE(0, 1, 2);
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}
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else if (slope_raw_data[slope_type][0][1][1] == slope_raw_data[slope_type][0][2][1]) {
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//printf("1, 2\n");
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STORE(1, 2, 0);
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}
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else if (slope_raw_data[slope_type][0][2][1] == slope_raw_data[slope_type][0][3][1]) {
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//printf("2, 3\n");
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STORE(2, 3, 0);
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}
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else if (slope_raw_data[slope_type][0][0][1] == slope_raw_data[slope_type][0][2][1]) {
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//printf("0, 2\n");
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STORE(0, 2, 1);
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}
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else if (slope_raw_data[slope_type][0][1][1] == slope_raw_data[slope_type][0][3][1]) {
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//printf("1, 3\n");
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STORE(1, 3, 0);
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}
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else {
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printf("argh?\n");
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return(1);
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}
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if (slope_raw_data[slope_type][0][equal_y1][0] == slope_raw_data[slope_type][0][equal_y2][0]) {
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//printf("# x-axis\n");
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marked_axis = 0;
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}
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else if (slope_raw_data[slope_type][0][equal_y1][2] == slope_raw_data[slope_type][0][equal_y2][2]) {
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//printf("# z-axis\n");
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marked_axis = 2;
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}
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else {
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printf("not good\n");
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return(1);
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}
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float low = 1.0f;
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float high = 0.0f;
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int low_idx = -1;
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int high_idx = -1;
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for (vertex = 0; vertex < 4; vertex++) {
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if (slope_raw_data[slope_type][0][vertex][1] < low) {
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low = slope_raw_data[slope_type][0][vertex][1];
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low_idx = vertex;
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}
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if (slope_raw_data[slope_type][0][vertex][1] > high) {
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high = slope_raw_data[slope_type][0][vertex][1];
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high_idx = vertex;
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}
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}
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//printf("# low: %f high: %f\n", low, high);
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int increasing;
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if (slope_raw_data[slope_type][0][low_idx][marked_axis] <
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slope_raw_data[slope_type][0][high_idx][marked_axis])
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increasing = 1;
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else
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increasing = 0;
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if (high - low == 0.0f)
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printf(" return 0.0f;\n");
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else
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printf(" return %ff %c d%c * %ff;\n", (increasing ? low : high),
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(increasing ? '+' : '-'),
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((marked_axis == 0) ? 'x' : 'z'), (high - low));
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/*
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for (vertex = 0; vertex < 4; vertex++) {
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printf("%f %f %f\n",
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slope_raw_data[slope_type][0][vertex][0],
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slope_raw_data[slope_type][0][vertex][1],
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slope_raw_data[slope_type][0][vertex][2]);
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}
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*/
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}
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printf(" default:\n");
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printf(" break;\n");
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printf(" }\n");
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printf(" assert(0);\n");
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printf(" return 0.0f; // should never be reached\n");
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printf("}\n");
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}
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