| -rw-r--r-- | src/model/exp004base.sqc | 98 |
1 files changed, 68 insertions, 30 deletions
diff --git a/src/model/exp004base.sqc b/src/model/exp004base.sqc index 5c2d8d2..2879263 100644 --- a/src/model/exp004base.sqc +++ b/src/model/exp004base.sqc @@ -7,6 +7,7 @@ #include "../util/check_error.h" #include <GL/glut.h> #include <string.h> +#include <stdlib.h> #include "sqlca.h" extern struct sqlca sqlca; @@ -29,8 +30,28 @@ exp004base (void) */ EXEC SQL BEGIN DECLARE SECTION; EXEC SQL INCLUDE 'model/coordinates.h'; + sqlint32 rows; EXEC SQL END DECLARE SECTION; + /* Determine how many nodes have coordinates assigned to them. */ + EXEC SQL SELECT COUNT(*) INTO :rows FROM coordinates; + + /* Free any existing coordinates and allocate memory to store the + new values. */ + S.rows = rows; + + free (S.selection.set); + S.selection.set = calloc (rows, sizeof (bool)); + + free (S.gi_data); + S.gi_data = calloc (rows * 20, sizeof (char)); + + free (S.base_vertices_data); + S.base_vertices_data = calloc (rows * 2, sizeof (float)); + + free (S.base_colors_data); + S.base_colors_data = calloc (rows * 4, sizeof (float)); + EXEC SQL DECLARE c2 CURSOR FOR SELECT *FROM coordinates; EXEC SQL OPEN c2; @@ -48,29 +69,38 @@ exp004base (void) { int i = coordinates.coord_id - 1; - strncpy (S.gi_data[i], coordinates.gi.data, sizeof (S.gi_data[i])); + strncpy (S.gi_data + i, coordinates.gi.data, sizeof (S.gi_data[i])); - S.base_vertices_data[i][0] = coordinates.x; - S.base_vertices_data[i][1] = coordinates.y; + float* v = S.base_vertices_data + (i * 2); + *v = coordinates.x; + v++; + *v = coordinates.y; - if (S.base_vertices_data[i][0] < S.bb.min_x) - S.bb.min_x = S.base_vertices_data[i][0]; - if (S.base_vertices_data[i][0] > S.bb.max_x) - S.bb.max_x = S.base_vertices_data[i][0]; - if (S.base_vertices_data[i][1] < S.bb.min_y) - S.bb.min_y = S.base_vertices_data[i][1]; - if (S.base_vertices_data[i][1] > S.bb.max_y) - S.bb.max_y = S.base_vertices_data[i][1]; + v = S.base_vertices_data + (i * 2); + if (*v < S.bb.min_x) + S.bb.min_x = *v; + if (*v > S.bb.max_x) + S.bb.max_x = *v; + + v++; + if (*v < S.bb.min_y) + S.bb.min_y = *v; + if (*v > S.bb.max_y) + S.bb.max_y = *v; /* * Deselected by default. */ S.selection.set[i] = false; - S.base_colors_data[i][0] = DEFAULT_COLOR_R; - S.base_colors_data[i][1] = DEFAULT_COLOR_G; - S.base_colors_data[i][2] = DEFAULT_COLOR_B; - S.base_colors_data[i][3] = DEFAULT_COLOR_A; + float* c = S.base_colors_data + (i * 4); + *c = DEFAULT_COLOR_R; + c++; + *c = DEFAULT_COLOR_G; + c++; + *c = DEFAULT_COLOR_B; + c++; + *c = DEFAULT_COLOR_A; EXEC SQL FETCH c2 INTO:coordinates; } @@ -101,32 +131,40 @@ exp004base (void) S.ortho_max++; // Invert the y coordinate to match up with the LGL Java viewer. - for (int i = 0; i < ROWS; i++) - S.base_vertices_data[i][1] = S.ortho_max - S.base_vertices_data[i][1]; + float* v = S.base_vertices_data; + for (int i = 0; i < S.rows; i++) + { + v++; + *v = S.ortho_max - *v; + v++; + } // Move the origin (0,0) to the center of the data. S.ortho_min = 0.0; S.ortho_max = 0.0; - for (int i = 0; i < ROWS; i++) + v = S.base_vertices_data; + for (int i = 0; i < S.rows; i++) { - S.base_vertices_data[i][0] = - S.base_vertices_data[i][0] - (0.5 * (S.bb.max_x - S.bb.min_x)); + *v = *v - (0.5 * (S.bb.max_x - S.bb.min_x)); + + if (S.ortho_min > *v) + S.ortho_min = *v; + + if (S.ortho_max < *v) + S.ortho_max = *v; - if (S.ortho_min > S.base_vertices_data[i][0]) - S.ortho_min = S.base_vertices_data[i][0]; + v++; - if (S.ortho_max < S.base_vertices_data[i][0]) - S.ortho_max = S.base_vertices_data[i][0]; + *v = *v - (0.5 * (S.bb.max_y - S.bb.min_y)); - S.base_vertices_data[i][1] = - S.base_vertices_data[i][1] - (0.5 * (S.bb.max_y - S.bb.min_y)); + if (S.ortho_min > *v) + S.ortho_min = *v; - if (S.ortho_min > S.base_vertices_data[i][1]) - S.ortho_min = S.base_vertices_data[i][1]; + if (S.ortho_max < *v) + S.ortho_max = *v; - if (S.ortho_max < S.base_vertices_data[i][1]) - S.ortho_max = S.base_vertices_data[i][1]; + v++; } glGenBuffers (2, S.buffers); |
