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#include <stdio.h>
#include "constant.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/keysymdef.h>
#include "extern.h"
/******************************************************************************
square_set_dimensions (shape, cell_size, side)
Set all internal values of <shape> of <side>, given canonical size of
<cell_size>. This includes the various dimensions and offsets, polygonal
points, direction vectors, town and troop size mappings, and drawing
method.
******************************************************************************/
square_set_dimensions (shape, cell_size, side, use_circle)
shape_type *shape;
int cell_size,
side,
use_circle;
{
int i,
troop_size,
max_troop_size,
width,
full_side,
half_side;
/** Make all cells have odd dimension **/
if (cell_size%2 == 0)
cell_size -= 1;
/** Set all the relevant dimensions and coordinates **/
shape->side = cell_size;
shape->center_bound.x = cell_size/2;
shape->center_bound.y = cell_size/2;
shape->center_vertex.x = cell_size/2;
shape->center_vertex.y = cell_size/2;
if (Config->enable[OPTION_GRID][side])
{
shape->center_rectangle.x = cell_size/2 - 1;
shape->center_rectangle.y = cell_size/2 - 1;
shape->center_erase.x = cell_size/2 - 1;
shape->center_erase.y = cell_size/2 - 1;
}
else
{
shape->center_erase.x = cell_size/2;
shape->center_erase.y = cell_size/2;
shape->center_rectangle.x = cell_size/2;
shape->center_rectangle.y = cell_size/2;
}
if (Config->enable[OPTION_GRID][side])
{
shape->corner_erase.x = 1;
shape->corner_erase.y = 1;
}
else
{
shape->corner_erase.x = 0;
shape->corner_erase.y = 0;
}
shape->corner_vertex.x = 0;
shape->corner_vertex.y = 0;
shape->size_bound.x = cell_size;
shape->size_bound.y = cell_size;
if (Config->enable[OPTION_GRID][side])
{
shape->size_erase.x = cell_size - 2;
shape->size_erase.y = cell_size - 2;
shape->size_rectangle.x = cell_size - 2;
shape->size_rectangle.y = cell_size - 2;
}
else
{
shape->size_erase.x = cell_size;
shape->size_erase.y = cell_size;
shape->size_rectangle.x = cell_size;
shape->size_rectangle.y = cell_size;
}
shape->circle_bound = shape->center_erase.y;
shape->area = cell_size*cell_size;
shape->direction_count = 4;
shape->direction_factor = 24/shape->direction_count;
shape->angle_offset = 45;
shape->use_secondary = TRUE;
/** Define polygon points **/
shape->point_count = 5;
shape->points[0].x = 0;
shape->points[0].y = 0;
shape->points[1].x = shape->side-1;
shape->points[1].y = 0;
shape->points[2].x = 0;
shape->points[2].y = shape->side-1;
shape->points[3].x = -(shape->side-1);
shape->points[3].y = 0;
shape->points[4].x = 0;
shape->points[4].y = -(shape->side-1);
if (use_circle)
{
shape->troop_shape = SHAPE_CIRCLE;
shape->erase_shape = SHAPE_CIRCLE;
}
else
{
shape->troop_shape = SHAPE_SQUARE;
shape->erase_shape = SHAPE_SQUARE;
}
shape_set_draw_method (shape, side, FALSE);
shape_set_growth (shape);
shape_set_troops (shape);
shape_set_arrows (shape, 0);
}
/******************************************************************************
square_set_center (cell, shape, side)
Set the center position of <cell> of <side> with <shape>, taking into
account any row- and column-based shifts.
******************************************************************************/
square_set_center (cell, shape, side)
cell_type *cell;
shape_type *shape;
int side;
{
if (Config->enable[OPTION_GRID][side])
{
cell->x_center[side] = cell->x * (shape->side-1) + shape->side/2;
cell->y_center[side] = cell->y * (shape->side-1) + shape->side/2;
}
else
{
cell->x_center[side] = cell->x * shape->side + shape->side/2;
cell->y_center[side] = cell->y * shape->side + shape->side/2;
}
}
/******************************************************************************
square_set_horizons (shape)
Set the even and odd horizon arrays for <shape>.
******************************************************************************/
square_set_horizons (shape)
shape_type *shape;
{
int i, j,
index,
range;
index = 0;
/** For each possible horizon range **/
for (range=1; range<=Config->view_range_max; range++)
{
/** For each point in a square of side 2*range+1 **/
for (i = -range; i<=range; i++)
for (j = -range; j<=range; j++)
{
/** If cell on edge of current square **/
if (i == -range || i == range || j == -range || j == range)
{
shape->horizon_even[index][0] = i;
shape->horizon_even[index][1] = j;
shape->horizon_odd[index][0] = i;
shape->horizon_odd[index][1] = j;
index++;
}
}
/** Set number of cells within given range **/
shape->horizon_counts[range] = index;
}
/** Set 0 horizon, just in case **/
shape->horizon_counts[0] = 0;
}
/******************************************************************************
square_set_connections ()
Set the intercell pointers for the given tiling.
******************************************************************************/
square_set_connections ()
{
int i, j;
/** For each cell, establish connections, making sure to exclude **/
/** connections across board edges. **/
for (j=0; j<Config->board_y_size; j++)
{
for (i=0; i<Config->board_x_size; i++)
{
if (j != 0)
CELL2(i,j)->connect[SQUARE_UP] = CELL2(i,j-1);
else
CELL2(i,j)->connect[SQUARE_UP] = CELL2(i,j);
if (j != Config->board_y_size-1)
CELL2(i,j)->connect[SQUARE_DOWN] = CELL2(i,j+1);
else
CELL2(i,j)->connect[SQUARE_DOWN] = CELL2(i,j);
if (i != 0)
CELL2(i,j)->connect[SQUARE_LEFT] = CELL2(i-1,j);
else
CELL2(i,j)->connect[SQUARE_LEFT] = CELL2(i,j);
if (i != Config->board_x_size-1)
CELL2(i,j)->connect[SQUARE_RIGHT] = CELL2(i+1,j);
else
CELL2(i,j)->connect[SQUARE_RIGHT] = CELL2(i,j);
}
}
/** If wrapping is allowed, set connections across board edges **/
if (Config->enable_all[OPTION_WRAP])
{
for (i=0; i<Config->board_x_size; i++)
{
CELL2(i,0)->connect[SQUARE_UP] = CELL2(i,Config->board_y_size-1);
CELL2(i,Config->board_y_size-1)->connect[SQUARE_DOWN] = CELL2(i,0);
}
for (j=0; j<Config->board_y_size; j++)
{
CELL2(0,j)->connect[SQUARE_LEFT] = CELL2(Config->board_x_size-1,j);
CELL2(Config->board_x_size-1,j)->connect[SQUARE_RIGHT] = CELL2(0,j);
}
}
}
/******************************************************************************
square_set_selects (shape, select, side)
Set the selection chart which indicates the basic unit of tiling. For each
position in the chart, indicate the offset from the canonical cell location.
A trivial operation for square tiling.
******************************************************************************/
square_set_selects (shape, select, side)
shape_type *shape;
select_type *select;
int side;
{
int x, y;
select->dimension.x = shape->size_bound.x;
select->dimension.y = shape->size_bound.y;
select->multiplier.x = 1;
select->multiplier.y = 1;
if (Config->enable[OPTION_GRID][side])
{
select->offset.x = 1;
select->offset.y = 1;
}
else
{
select->offset.x = 0;
select->offset.y = 0;
}
for (y=0; y<shape->size_bound.y; y++)
for (x=0; x<shape->size_bound.x; x++)
{
select->matrix[y][x].x = 0;
select->matrix[y][x].y = 0;
}
}
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